From 4381e830d031877a418b8e15e1310121ab4053b6 Mon Sep 17 00:00:00 2001 From: Fabrizio Balliano Date: Thu, 11 Aug 2022 19:18:36 +0100 Subject: [PATCH 01/20] Moved 3rd party libs to composer --- app/Mage.php | 9 +- .../Cm/RedisSession/Model/Session.php | 695 --- .../community/Cm/RedisSession/etc/config.xml | 48 - app/etc/modules/Cm_RedisSession.xml | 8 - composer.json | 10 +- composer.lock | 634 ++- lib/Cm/Cache/Backend/Redis.php | 938 --- lib/Credis/Client.php | 1150 ---- lib/Net/IDNA2.php | 3402 ----------- lib/Net/IDNA2/Exception.php | 4 - lib/Net/IDNA2/Exception/Nameprep.php | 6 - lib/mcryptcompat/mcrypt.php | 1343 ----- lib/phpseclib/Crypt/AES.php | 126 - lib/phpseclib/Crypt/Base.php | 2708 --------- lib/phpseclib/Crypt/Blowfish.php | 571 -- lib/phpseclib/Crypt/DES.php | 1443 ----- lib/phpseclib/Crypt/Hash.php | 829 --- lib/phpseclib/Crypt/RC2.php | 688 --- lib/phpseclib/Crypt/RC4.php | 342 -- lib/phpseclib/Crypt/RSA.php | 3057 ---------- lib/phpseclib/Crypt/Random.php | 274 - lib/phpseclib/Crypt/Rijndael.php | 936 --- lib/phpseclib/Crypt/TripleDES.php | 460 -- lib/phpseclib/Crypt/Twofish.php | 816 --- lib/phpseclib/File/ANSI.php | 577 -- lib/phpseclib/File/ASN1.php | 1325 ----- lib/phpseclib/File/ASN1/Element.php | 47 - lib/phpseclib/File/X509.php | 5046 ----------------- lib/phpseclib/Math/BigInteger.php | 3767 ------------ lib/phpseclib/Net/SCP.php | 337 -- lib/phpseclib/Net/SFTP.php | 3104 ---------- lib/phpseclib/Net/SFTP/Stream.php | 795 --- lib/phpseclib/Net/SSH1.php | 1642 ------ lib/phpseclib/Net/SSH2.php | 4619 --------------- .../PHP/Compat/Function/array_fill.php | 43 - .../PHP/Compat/Function/bcpowmod.php | 68 - .../PHP/Compat/Function/str_split.php | 61 - lib/phpseclib/System/SSH/Agent.php | 308 - lib/phpseclib/System/SSH/Agent/Identity.php | 158 - lib/phpseclib/bootstrap.php | 22 - lib/phpseclib/openssl.cnf | 6 - 41 files changed, 620 insertions(+), 41802 deletions(-) delete mode 100644 app/code/community/Cm/RedisSession/Model/Session.php delete mode 100644 app/code/community/Cm/RedisSession/etc/config.xml delete mode 100644 app/etc/modules/Cm_RedisSession.xml delete mode 100644 lib/Cm/Cache/Backend/Redis.php delete mode 100644 lib/Credis/Client.php delete mode 100644 lib/Net/IDNA2.php delete mode 100644 lib/Net/IDNA2/Exception.php delete mode 100644 lib/Net/IDNA2/Exception/Nameprep.php delete mode 100644 lib/mcryptcompat/mcrypt.php delete mode 100644 lib/phpseclib/Crypt/AES.php delete mode 100644 lib/phpseclib/Crypt/Base.php delete mode 100644 lib/phpseclib/Crypt/Blowfish.php delete mode 100644 lib/phpseclib/Crypt/DES.php delete mode 100644 lib/phpseclib/Crypt/Hash.php delete mode 100644 lib/phpseclib/Crypt/RC2.php delete mode 100644 lib/phpseclib/Crypt/RC4.php delete mode 100644 lib/phpseclib/Crypt/RSA.php delete mode 100644 lib/phpseclib/Crypt/Random.php delete mode 100644 lib/phpseclib/Crypt/Rijndael.php delete mode 100644 lib/phpseclib/Crypt/TripleDES.php delete mode 100644 lib/phpseclib/Crypt/Twofish.php delete mode 100644 lib/phpseclib/File/ANSI.php delete mode 100644 lib/phpseclib/File/ASN1.php delete mode 100644 lib/phpseclib/File/ASN1/Element.php delete mode 100644 lib/phpseclib/File/X509.php delete mode 100644 lib/phpseclib/Math/BigInteger.php delete mode 100644 lib/phpseclib/Net/SCP.php delete mode 100644 lib/phpseclib/Net/SFTP.php delete mode 100644 lib/phpseclib/Net/SFTP/Stream.php delete mode 100644 lib/phpseclib/Net/SSH1.php delete mode 100644 lib/phpseclib/Net/SSH2.php delete mode 100644 lib/phpseclib/PHP/Compat/Function/array_fill.php delete mode 100644 lib/phpseclib/PHP/Compat/Function/bcpowmod.php delete mode 100644 lib/phpseclib/PHP/Compat/Function/str_split.php delete mode 100644 lib/phpseclib/System/SSH/Agent.php delete mode 100644 lib/phpseclib/System/SSH/Agent/Identity.php delete mode 100644 lib/phpseclib/bootstrap.php delete mode 100644 lib/phpseclib/openssl.cnf diff --git a/app/Mage.php b/app/Mage.php index 99e0c8f6f37..67e6fda4ce3 100644 --- a/app/Mage.php +++ b/app/Mage.php @@ -47,8 +47,13 @@ Varien_Autoload::register(); -include_once "phpseclib/bootstrap.php"; -include_once "mcryptcompat/mcrypt.php"; +/** AUTOLOADER PATCH **/ +if (file_exists($autoloaderPath = BP . DS . 'vendor/autoload.php') || + file_exists($autoloaderPath = BP . DS . '../vendor/autoload.php') +) { + require $autoloaderPath; +} +/** AUTOLOADER PATCH **/ /* Support additional includes, such as composer's vendor/autoload.php files */ foreach (glob(BP . DS . 'app' . DS . 'etc' . DS . 'includes' . DS . '*.php') as $path) { diff --git a/app/code/community/Cm/RedisSession/Model/Session.php b/app/code/community/Cm/RedisSession/Model/Session.php deleted file mode 100644 index dfccb18b96d..00000000000 --- a/app/code/community/Cm/RedisSession/Model/Session.php +++ /dev/null @@ -1,695 +0,0 @@ -_config = $config = Mage::getConfig()->getNode('global/redis_session'); - if (!$config) { - $this->_useRedis = FALSE; - Mage::log('Redis configuration does not exist, falling back to MySQL handler.', Zend_Log::EMERG); - parent::__construct(); - return; - } - - $this->_logLevel = ((int) $config->descend('log_level') ?: self::DEFAULT_LOG_LEVEL); - if ($this->_logLevel >= Zend_Log::DEBUG) { - $timeStart = microtime(true); - } - - // Database config - $host = ((string) $config->descend('host') ?: '127.0.0.1'); - $port = ((int) $config->descend('port') ?: '6379'); - $pass = ((string) $config->descend('password') ?: ''); - $timeout = ((float) $config->descend('timeout') ?: self::DEFAULT_TIMEOUT); - $persistent = ((string) $config->descend('persistent') ?: ''); - $this->_dbNum = ((int) $config->descend('db') ?: 0); - - // General config - $this->_compressionThreshold = ((int) $config->descend('compression_threshold') ?: self::DEFAULT_COMPRESSION_THRESHOLD); - $this->_compressionLib = ((string) $config->descend('compression_lib') ?: self::DEFAULT_COMPRESSION_LIB); - $this->_maxConcurrency = ((int) $config->descend('max_concurrency') ?: self::DEFAULT_MAX_CONCURRENCY); - $this->_breakAfter = ((float) $config->descend('break_after_'.session_name()) ?: self::DEFAULT_BREAK_AFTER); - $this->_maxLifetime = ((int) $config->descend('max_lifetime') ?: self::DEFAULT_MAX_LIFETIME); - $this->_minLifetime = ((int) $config->descend('min_lifetime') ?: self::DEFAULT_MIN_LIFETIME); - $this->_useLocking = defined('CM_REDISSESSION_LOCKING_ENABLED') - ? CM_REDISSESSION_LOCKING_ENABLED - : ! ((int) $config->descend('disable_locking') ?: self::DEFAULT_DISABLE_LOCKING); - - // Use sleep time multiplier so break time is in seconds - $this->_breakAfter = (int) round((1000000 / self::SLEEP_TIME) * $this->_breakAfter); - $this->_failAfter = (int) round((1000000 / self::SLEEP_TIME) * self::FAIL_AFTER); - - // Connect and authenticate - $this->_redis = new Credis_Client($host, $port, $timeout, $persistent); - if (!empty($pass)) { - $this->_redis->auth($pass) || Zend_Cache::throwException('Unable to authenticate with the redis server.'); - } - $this->_redis->setCloseOnDestruct(FALSE); // Destructor order cannot be predicted - $this->_useRedis = TRUE; - if ($this->_logLevel >= Zend_Log::DEBUG) { - $this->_log(sprintf("%s initialized for connection to %s:%s after %.5f seconds", - get_class($this), $host, $port, (microtime(true) - $timeStart) - )); - } - } - - /** - * @param $msg - * @param $level - */ - protected function _log($msg, $level = Zend_Log::DEBUG) - { - Mage::log("{$this->_getPid()}: $msg", $level, self::LOG_FILE); - } - - /** - * Check DB connection - * - * @return bool - */ - public function hasConnection() - { - if( ! $this->_useRedis) return parent::hasConnection(); - - try { - $this->_redis->connect(); - if ($this->_logLevel >= Zend_Log::DEBUG) { - $this->_log("Connected to Redis"); - } - return TRUE; - } - catch (Exception $e) { - Mage::logException($e); - $this->_redis = NULL; - Mage::log('Unable to connect to Redis; falling back to MySQL handler', Zend_Log::EMERG); - - // Fall-back to MySQL handler. If this fails, the file handler will be used. - $this->_useRedis = FALSE; - parent::__construct(); - return parent::hasConnection(); - } - } - - /** - * Fetch session data - * - * @param string $sessionId - * @return string - */ - public function read($sessionId) - { - if ( ! $this->_useRedis) return parent::read($sessionId); - Varien_Profiler::start(__METHOD__); - - // Get lock on session. Increment the "lock" field and if the new value is 1, we have the lock. - $sessionId = self::SESSION_PREFIX.$sessionId; - $tries = $waiting = $lock = 0; - $lockPid = $oldLockPid = NULL; // Restart waiting for lock when current lock holder changes - $detectZombies = FALSE; - if ($this->_logLevel >= Zend_Log::WARN) { - $timeStart = microtime(true); - } - if ($this->_logLevel >= Zend_Log::DEBUG) { - $this->_log(sprintf("Attempting to take lock on ID %s", $sessionId)); - } - $this->_redis->select($this->_dbNum); - while ($this->_useLocking) - { - // Increment lock value for this session and retrieve the new value - $oldLock = $lock; - $lock = $this->_redis->hIncrBy($sessionId, 'lock', 1); - - // Get the pid of the process that has the lock - if ($lock != 1 && $tries + 1 >= $this->_breakAfter) { - $lockPid = $this->_redis->hGet($sessionId, 'pid'); - } - - // If we got the lock, update with our pid and reset lock and expiration - if ( $lock == 1 // We actually do have the lock - || ( - $tries >= $this->_breakAfter // We are done waiting and want to start trying to break it - && $oldLockPid == $lockPid // Nobody else got the lock while we were waiting - ) - ) { - $this->_hasLock = TRUE; - break; - } - - // Otherwise, add to "wait" counter and continue - else if ( ! $waiting) { - $i = 0; - do { - $waiting = $this->_redis->hIncrBy($sessionId, 'wait', 1); - } while (++$i < $this->_maxConcurrency && $waiting < 1); - } - - // Handle overloaded sessions - else { - // Detect broken sessions (e.g. caused by fatal errors) - if ($detectZombies) { - $detectZombies = FALSE; - if ( $lock > $oldLock // lock shouldn't be less than old lock (another process broke the lock) - && $lock + 1 < $oldLock + $waiting // lock should be old+waiting, otherwise there must be a dead process - ) { - // Reset session to fresh state - if ($this->_logLevel >= Zend_Log::INFO) { - $this->_log(sprintf( - "Detected zombie waiter after %.5f seconds for ID %s (%d waiting)\n %s (%s - %s)", - (microtime(true) - $timeStart), - $sessionId, $waiting, - Mage::app()->getRequest()->getRequestUri(), Mage::app()->getRequest()->getClientIp(), Mage::app()->getRequest()->getHeader('User-Agent') - ), Zend_Log::INFO); - } - $waiting = $this->_redis->hIncrBy($sessionId, 'wait', -1); - continue; - } - } - - // Limit concurrent lock waiters to prevent server resource hogging - if ($waiting >= $this->_maxConcurrency) { - // Overloaded sessions get 503 errors - $this->_redis->hIncrBy($sessionId, 'wait', -1); - $this->_sessionWritten = TRUE; // Prevent session from getting written - $writes = $this->_redis->hGet($sessionId, 'writes'); - if ($this->_logLevel >= Zend_Log::WARN) { - $this->_log(sprintf( - "Session concurrency exceeded for ID %s; displaying HTTP 503 (%s waiting, %s total requests)\n %s (%s - %s)", - $sessionId, $waiting, $writes, - Mage::app()->getRequest()->getRequestUri(), Mage::app()->getRequest()->getClientIp(), Mage::app()->getRequest()->getHeader('User-Agent') - ), Zend_Log::WARN); - } - $this->_logLevel = -1; // Disable further logging - require_once(Mage::getBaseDir() . DS . 'errors' . DS . '503.php'); - exit; - } - } - - $tries++; - $oldLockPid = $lockPid; - $sleepTime = self::SLEEP_TIME; - - // Detect dead lock waiters - if ($tries % self::DETECT_ZOMBIES == 1) { - $detectZombies = TRUE; - $sleepTime += 10000; // sleep + 0.01 seconds - } - // Detect dead lock holder every 10 seconds (only works on same node as lock holder) - if ($tries % self::DETECT_ZOMBIES == 0) { - Varien_Profiler::start(__METHOD__.'-detect-zombies'); - if ($this->_logLevel >= Zend_Log::DEBUG) { - $this->_log(sprintf( - "Checking for zombies after %.5f seconds of waiting...", (microtime(true) - $timeStart) - )); - } - $pid = $this->_redis->hGet($sessionId, 'pid'); - if ($pid && ! $this->_pidExists($pid)) { - // Allow a live process to get the lock - $this->_redis->hSet($sessionId, 'lock', 0); - if ($this->_logLevel >= Zend_Log::INFO) { - $this->_log(sprintf( - "Detected zombie process (%s) for %s (%s waiting)\n %s (%s - %s)", - $pid, $sessionId, $waiting, - Mage::app()->getRequest()->getRequestUri(), Mage::app()->getRequest()->getClientIp(), Mage::app()->getRequest()->getHeader('User-Agent') - ), Zend_Log::INFO); - } - Varien_Profiler::stop(__METHOD__.'-detect-zombies'); - continue; - } - Varien_Profiler::stop(__METHOD__.'-detect-zombies'); - } - // Timeout - if ($tries >= $this->_breakAfter + $this->_failAfter) { - $this->_hasLock = FALSE; - if ($this->_logLevel >= Zend_Log::NOTICE) { - $this->_log(sprintf("Giving up on read lock for ID %s after %.5f seconds (%d attempts)", $sessionId, (microtime(true) - $timeStart), $tries), Zend_Log::NOTICE); - } - break; - } - else { - if ($this->_logLevel >= Zend_Log::DEBUG) { - $this->_log(sprintf( - "Waiting %.2f seconds for lock on ID %s (%d tries, lock pid is %s, %.5f seconds elapsed)", - $sleepTime / 1000000, $sessionId, $tries, $lockPid, (microtime(true) - $timeStart) - )); - } - Varien_Profiler::start(__METHOD__.'-wait'); - usleep($sleepTime); - Varien_Profiler::stop(__METHOD__.'-wait'); - } - } - self::$failedLockAttempts = $tries; - - // Session can be read even if it was not locked by this pid! - if ($this->_logLevel >= Zend_Log::DEBUG) { - $timeStart = microtime(true); - } - list($sessionData, $sessionWrites) = array_values($this->_redis->hMGet($sessionId, array('data','writes'))); - Varien_Profiler::stop(__METHOD__); - if ($this->_logLevel >= Zend_Log::DEBUG) { - $this->_log(sprintf("Data read for ID %s in %.5f seconds", $sessionId, (microtime(true) - $timeStart))); - } - $this->_sessionWrites = (int) $sessionWrites; - - $this->_redis->pipeline(); - - // This process is no longer waiting for a lock - if ($tries > 0) { - $this->_redis->hIncrBy($sessionId, 'wait', -1); - } - - // This process has the lock, save the pid - if ($this->_hasLock) { - $setData = array( - 'pid' => $this->_getPid(), - 'lock' => 1, - ); - - // Save request data in session so if a lock is broken we can know which page it was for debugging - if ($this->_logLevel >= Zend_Log::INFO) { - if (empty($_SERVER['REQUEST_METHOD'])) { - $setData['req'] = $_SERVER['SCRIPT_NAME']; - } else { - $setData['req'] = "{$_SERVER['REQUEST_METHOD']} {$_SERVER['SERVER_NAME']}{$_SERVER['REQUEST_URI']}"; - } - if ($lock != 1) { - $this->_log(sprintf( - "Successfully broke lock for ID %s after %.5f seconds (%d attempts). Lock: %d\nLast request of broken lock: %s", - $sessionId, (microtime(true) - $timeStart), $tries, $lock, $this->_redis->hGet($sessionId, 'req') - ), Zend_Log::INFO); - } - } - $this->_redis->hMSet($sessionId, $setData); - } - - // Set session expiration - $this->_redis->expire($sessionId, min($this->getLifeTime(), $this->_maxLifetime)); - $this->_redis->exec(); - - // Reset flag in case of multiple session read/write operations - $this->_sessionWritten = FALSE; - - return $sessionData ? $this->_decodeData($sessionData) : ''; - } - - /** - * Update session - * - * @param string $sessionId - * @param string $sessionData - * @return boolean - */ - public function write($sessionId, $sessionData) - { - Varien_Profiler::start(__METHOD__); - if ( ! $this->_useRedis) return parent::write($sessionId, $sessionData); - if ($this->_sessionWritten) { - if ($this->_logLevel >= Zend_Log::DEBUG) { - $this->_log(sprintf("Repeated session write detected; skipping for ID %s", $sessionId)); - } - Varien_Profiler::stop(__METHOD__); - return TRUE; - } - $this->_sessionWritten = TRUE; - if ($this->_logLevel >= Zend_Log::WARN) { - $timeStart = microtime(true); - } - - // Do not overwrite the session if it is locked by another pid - try { - if($this->_dbNum) $this->_redis->select($this->_dbNum); // Prevent conflicts with other connections? - - if ( ! $this->_useLocking - || ( ! ($pid = $this->_redis->hGet('sess_'.$sessionId, 'pid')) || $pid == $this->_getPid()) - ) { - $this->_writeRawSession($sessionId, $sessionData, $this->getLifeTime()); - if ($this->_logLevel >= Zend_Log::DEBUG) { - $this->_log(sprintf("Data written to ID %s in %.5f seconds", $sessionId, (microtime(true) - $timeStart))); - } - } - else { - if ($this->_logLevel >= Zend_Log::WARN) { - if ($this->_hasLock) { - $this->_log(sprintf("Did not write session for ID %s: another process took the lock.", - $sessionId - ), Zend_Log::WARN); - } else { - $this->_log(sprintf("Did not write session for ID %s: unable to acquire lock.", - $sessionId - ), Zend_Log::WARN); - } - } - } - } - catch(Exception $e) { - if (class_exists('Mage', false)) { - Mage::logException($e); - } else { - error_log("$e"); - } - Varien_Profiler::stop(__METHOD__); - return FALSE; - } - Varien_Profiler::stop(__METHOD__); - return TRUE; - } - - /** - * Destroy session - * - * @param string $sessionId - * @return boolean - */ - public function destroy($sessionId) - { - if ( ! $this->_useRedis) return parent::destroy($sessionId); - Varien_Profiler::start(__METHOD__); - - if ($this->_logLevel >= Zend_Log::DEBUG) { - $this->_log(sprintf("Destroying ID %s", $sessionId)); - } - $this->_redis->pipeline(); - if($this->_dbNum) $this->_redis->select($this->_dbNum); - $this->_redis->del(self::SESSION_PREFIX.$sessionId); - $this->_redis->exec(); - Varien_Profiler::stop(__METHOD__); - return TRUE; - } - - /** - * Overridden to prevent calling getLifeTime at shutdown - * - * @return bool - */ - public function close() - { - if ( ! $this->_useRedis) return parent::close(); - if ($this->_logLevel >= Zend_Log::DEBUG) { - $this->_log("Closing connection"); - } - if ($this->_redis) $this->_redis->close(); - return TRUE; - } - - /** - * Garbage collection - * - * @param int $maxLifeTime ignored - * @return boolean - */ - public function gc($maxLifeTime) - { - if ( ! $this->_useRedis) return parent::gc($maxLifeTime); - return TRUE; - } - - /** - * @return int|mixed - */ - public function getLifeTime() - { - if ( ! $this->_config) return parent::getLifeTime(); - - if ($this->_lifeTime === NULL) { - $lifeTime = NULL; - - // Detect bots by user agent - $botLifetime = ((int) $this->_config->descend('bot_lifetime') ?: self::DEFAULT_BOT_LIFETIME); - if ($botLifetime) { - $userAgent = empty($_SERVER['HTTP_USER_AGENT']) ? FALSE : $_SERVER['HTTP_USER_AGENT']; - $isBot = ! $userAgent || preg_match(self::BOT_REGEX, $userAgent); - if ($isBot) { - if ($this->_logLevel > Zend_Log::DEBUG) { - $this->_log(sprintf("Bot detected for user agent: %s", $userAgent)); - } - if ( $this->_sessionWrites <= 1 - && ($botFirstLifetime = ((int) $this->_config->descend('bot_first_lifetime') ?: self::DEFAULT_BOT_FIRST_LIFETIME)) - ) { - $lifeTime = $botFirstLifetime * (1+$this->_sessionWrites); - } else { - $lifeTime = min(parent::getLifeTime(), $botLifetime); - } - } - } - - // Use different lifetime for first write - if ($lifeTime === NULL && $this->_sessionWrites <= 1) { - $firstLifetime = ((int) $this->_config->descend('first_lifetime') ?: self::DEFAULT_FIRST_LIFETIME); - if ($firstLifetime) { - $lifeTime = $firstLifetime * (1+$this->_sessionWrites); - } - } - - // Neither bot nor first write - if ($lifeTime === NULL) { - $lifeTime = parent::getLifeTime(); - } - - $this->_lifeTime = $lifeTime; - if ($this->_lifeTime < $this->_minLifetime) { - $this->_lifeTime = $this->_minLifetime; - } - if ($this->_lifeTime > $this->_maxLifetime) { - $this->_lifeTime = $this->_maxLifetime; - } - } - return $this->_lifeTime; - } - - /** - * Public for testing purposes only. - * - * @param string $data - * @return string - */ - public function _encodeData($data) - { - Varien_Profiler::start(__METHOD__); - $originalDataSize = strlen($data); - if ($this->_compressionThreshold > 0 && $this->_compressionLib != 'none' && $originalDataSize >= $this->_compressionThreshold) { - if ($this->_logLevel >= Zend_Log::DEBUG) { - $this->_log(sprintf("Compressing %s bytes with %s", $originalDataSize,$this->_compressionLib)); - $timeStart = microtime(true); - } - $prefix = ':'.substr($this->_compressionLib,0,2).':'; - switch($this->_compressionLib) { - case 'snappy': $data = snappy_compress($data); break; - case 'lzf': $data = lzf_compress($data); break; - case 'lz4': $data = lz4_compress($data); $prefix = ':l4:'; break; - case 'gzip': $data = gzcompress($data, 1); break; - } - if($data) { - $data = $prefix.$data; - if ($this->_logLevel >= Zend_Log::DEBUG) { - $this->_log(sprintf("Data compressed by %.1f percent in %.5f seconds", - ($originalDataSize == 0 ? 0 : (100 - (strlen($data) / $originalDataSize * 100))), (microtime(true) - $timeStart) - )); - } - } else if ($this->_logLevel >= Zend_Log::WARN) { - $this->_log(sprintf("Could not compress session data using %s", $this->_compressionLib), Zend_Log::WARN); - } - } - Varien_Profiler::stop(__METHOD__); - return $data; - } - - /** - * Public for testing purposes only. - * - * @param string $data - * @return string - */ - public function _decodeData($data) - { - Varien_Profiler::start(__METHOD__); - switch (substr($data,0,4)) { - // asking the data which library it uses allows for transparent changes of libraries - case ':sn:': $data = snappy_uncompress(substr($data,4)); break; - case ':lz:': $data = lzf_decompress(substr($data,4)); break; - case ':l4:': $data = lz4_uncompress(substr($data,4)); break; - case ':gz:': $data = gzuncompress(substr($data,4)); break; - } - Varien_Profiler::stop(__METHOD__); - return $data; - } - - /** - * Public for testing/import purposes only. - * - * @param $id - * @param $data - * @param $lifetime - * @throws Exception - */ - public function _writeRawSession($id, $data, $lifetime) - { - if ( ! $this->_useRedis) { - throw new Exception('Not connected to redis!'); - } - - $sessionId = 'sess_' . $id; - $this->_redis->pipeline() - ->select($this->_dbNum) - ->hMSet($sessionId, array( - 'data' => $this->_encodeData($data), - 'lock' => 0, // 0 so that next lock attempt will get 1 - )) - ->hIncrBy($sessionId, 'writes', 1) - ->expire($sessionId, min($lifetime, $this->_maxLifetime)) - ->exec(); - } - - /** - * @param string $id - * @return array - * @throws Exception - */ - public function _inspectSession($id) - { - if ( ! $this->_useRedis) { - throw new Exception('Not connected to redis!'); - } - - $sessionId = strpos($id, 'sess_') === 0 ? $id : 'sess_' . $id; - $this->_redis->select($this->_dbNum); - $data = $this->_redis->hGetAll($sessionId); - if ($data && isset($data['data'])) { - $data['data'] = $this->_decodeData($data['data']); - } - return $data; - } - - /** - * Public for testing/inspection purposes only. - * - * @param $forceStandalone - * @return Credis_Client - */ - public function _redisClient($forceStandalone) - { - if ($forceStandalone) { - $this->_redis->forceStandalone(); - } - if ($this->_dbNum) { - $this->_redis->select($this->_dbNum); - } - return $this->_redis; - } - - /** - * @return string - */ - public function _getPid() - { - return gethostname().'|'.getmypid(); - } - - /** - * @param $pid - * @return bool - */ - public function _pidExists($pid) - { - list($host,$pid) = explode('|', $pid); - if (PHP_OS != 'Linux' || $host != gethostname()) { - return TRUE; - } - return @file_exists('/proc/'.$pid); - } - -} diff --git a/app/code/community/Cm/RedisSession/etc/config.xml 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+ { + "name": "Hans-Jürgen Petrich", + "email": "petrich@tronic-media.com", + "role": "Developer" + }, + { + "name": "Graham Campbell", + "email": "graham@alt-three.com", + "role": "Developer" + } + ], + "description": "PHP Secure Communications Library - Pure-PHP implementations of RSA, AES, SSH2, SFTP, X.509 etc.", + "homepage": "http://phpseclib.sourceforge.net", + "keywords": [ + "BigInteger", + "aes", + "asn.1", + "asn1", + "blowfish", + "crypto", + "cryptography", + "encryption", + "rsa", + "security", + "sftp", + "signature", + "signing", + "ssh", + "twofish", + "x.509", + "x509" + ], + "support": { + "issues": "https://github.com/phpseclib/phpseclib/issues", + "source": "https://github.com/phpseclib/phpseclib/tree/3.0.14" + }, + "funding": [ + { + "url": "https://github.com/terrafrost", + "type": "github" + }, + { + "url": "https://www.patreon.com/phpseclib", + "type": "patreon" + }, + { + "url": 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{ "branch-alias": { - "dev-main": "3.1-dev" + "dev-main": "3.0-dev" }, "thanks": { "name": "symfony/contracts", @@ -485,7 +1062,7 @@ "description": "A generic function and convention to trigger deprecation notices", "homepage": "https://symfony.com", "support": { - "source": "https://github.com/symfony/deprecation-contracts/tree/v3.1.1" + "source": "https://github.com/symfony/deprecation-contracts/tree/v3.0.2" }, "funding": [ { @@ -501,7 +1078,7 @@ "type": "tidelift" } ], - "time": "2022-02-25T11:15:52+00:00" + "time": "2022-01-02T09:55:41+00:00" }, { "name": "symfony/polyfill-ctype", @@ -997,20 +1574,20 @@ }, { "name": "symfony/service-contracts", - "version": "v3.1.1", + "version": "v3.0.2", "source": { "type": "git", "url": "https://github.com/symfony/service-contracts.git", - "reference": "925e713fe8fcacf6bc05e936edd8dd5441a21239" + "reference": "d78d39c1599bd1188b8e26bb341da52c3c6d8a66" }, "dist": { "type": "zip", - "url": "https://api.github.com/repos/symfony/service-contracts/zipball/925e713fe8fcacf6bc05e936edd8dd5441a21239", - "reference": "925e713fe8fcacf6bc05e936edd8dd5441a21239", + "url": "https://api.github.com/repos/symfony/service-contracts/zipball/d78d39c1599bd1188b8e26bb341da52c3c6d8a66", + "reference": "d78d39c1599bd1188b8e26bb341da52c3c6d8a66", "shasum": "" }, "require": { - "php": ">=8.1", + "php": ">=8.0.2", "psr/container": "^2.0" }, "conflict": { @@ -1022,7 +1599,7 @@ "type": "library", "extra": { "branch-alias": { - "dev-main": "3.1-dev" + "dev-main": "3.0-dev" }, "thanks": { "name": "symfony/contracts", @@ -1032,10 +1609,7 @@ "autoload": { "psr-4": { "Symfony\\Contracts\\Service\\": "" - }, - "exclude-from-classmap": [ - "/Test/" - ] + } }, "notification-url": "https://packagist.org/downloads/", "license": [ @@ -1062,7 +1636,7 @@ "standards" ], "support": { - "source": "https://github.com/symfony/service-contracts/tree/v3.1.1" + "source": "https://github.com/symfony/service-contracts/tree/v3.0.2" }, "funding": [ { @@ -1078,24 +1652,24 @@ "type": "tidelift" } ], - "time": "2022-05-30T19:18:58+00:00" + "time": "2022-05-30T19:17:58+00:00" }, { "name": "symfony/string", - "version": "v6.1.3", + "version": "v6.0.11", "source": { "type": "git", "url": "https://github.com/symfony/string.git", - "reference": "f35241f45c30bcd9046af2bb200a7086f70e1d6b" + "reference": "042b6bf0f6ccca6d456a0572eb788cfb8b1ff809" }, "dist": { "type": "zip", - "url": "https://api.github.com/repos/symfony/string/zipball/f35241f45c30bcd9046af2bb200a7086f70e1d6b", - "reference": "f35241f45c30bcd9046af2bb200a7086f70e1d6b", + "url": "https://api.github.com/repos/symfony/string/zipball/042b6bf0f6ccca6d456a0572eb788cfb8b1ff809", + "reference": "042b6bf0f6ccca6d456a0572eb788cfb8b1ff809", "shasum": "" }, "require": { - "php": ">=8.1", + "php": ">=8.0.2", "symfony/polyfill-ctype": "~1.8", "symfony/polyfill-intl-grapheme": "~1.0", "symfony/polyfill-intl-normalizer": "~1.0", @@ -1147,7 +1721,7 @@ "utf8" ], "support": { - "source": "https://github.com/symfony/string/tree/v6.1.3" + "source": "https://github.com/symfony/string/tree/v6.0.11" }, "funding": [ { @@ -1163,7 +1737,7 @@ "type": "tidelift" } ], - "time": "2022-07-27T15:50:51+00:00" + "time": "2022-07-27T15:50:26+00:00" } ], "packages-dev": [ @@ -1267,7 +1841,9 @@ ], "aliases": [], "minimum-stability": "stable", - "stability-flags": [], + "stability-flags": { + "pear/net_idna2": 20 + }, "prefer-stable": false, "prefer-lowest": false, "platform": { diff --git a/lib/Cm/Cache/Backend/Redis.php b/lib/Cm/Cache/Backend/Redis.php deleted file mode 100644 index bf2c39ba1ed..00000000000 --- a/lib/Cm/Cache/Backend/Redis.php +++ /dev/null @@ -1,938 +0,0 @@ -_redis = new Credis_Client($options['server'], $port, $timeout, $persistent); - - if ( isset($options['force_standalone']) && $options['force_standalone']) { - $this->_redis->forceStandalone(); - } - - $connectRetries = isset($options['connect_retries']) ? (int)$options['connect_retries'] : self::DEFAULT_CONNECT_RETRIES; - $this->_redis->setMaxConnectRetries($connectRetries); - - if ( ! empty($options['read_timeout']) && $options['read_timeout'] > 0) { - $this->_redis->setReadTimeout((float) $options['read_timeout']); - } - - if ( ! empty($options['password'])) { - $this->_redis->auth($options['password']) || Zend_Cache::throwException('Unable to authenticate with the redis server.'); - } - - // Always select database on startup in case persistent connection is re-used by other code - if (empty($options['database'])) { - $options['database'] = 0; - } - $this->_redis->select( (int) $options['database']) || Zend_Cache::throwException('The redis database could not be selected.'); - - if ( isset($options['notMatchingTags']) ) { - $this->_notMatchingTags = (bool) $options['notMatchingTags']; - } - - if ( isset($options['compress_tags'])) { - $this->_compressTags = (int) $options['compress_tags']; - } - - if ( isset($options['compress_data'])) { - $this->_compressData = (int) $options['compress_data']; - } - - if ( isset($options['lifetimelimit'])) { - $this->_lifetimelimit = (int) min($options['lifetimelimit'], self::MAX_LIFETIME); - } - - if ( isset($options['compress_threshold'])) { - $this->_compressThreshold = (int) $options['compress_threshold']; - } - - if ( isset($options['automatic_cleaning_factor']) ) { - $this->_options['automatic_cleaning_factor'] = (int) $options['automatic_cleaning_factor']; - } else { - $this->_options['automatic_cleaning_factor'] = 0; - } - - if ( isset($options['compression_lib']) ) { - $this->_compressionLib = (string) $options['compression_lib']; - } - else if ( function_exists('snappy_compress') ) { - $this->_compressionLib = 'snappy'; - } - else if ( function_exists('lz4_compress')) { - $this->_compressionLib = 'l4z'; - } - else if ( function_exists('lzf_compress') ) { - $this->_compressionLib = 'lzf'; - } - else { - $this->_compressionLib = 'gzip'; - } - $this->_compressPrefix = substr($this->_compressionLib,0,2).self::COMPRESS_PREFIX; - - if (isset($options['use_lua'])) { - $this->_useLua = (bool) $options['use_lua']; - } - - if (isset($options['lua_max_c_stack'])) { - $this->_luaMaxCStack = (int) $options['lua_max_c_stack']; - } - } - - /** - * Load value with given id from cache - * - * @param string $id Cache id - * @param boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested - * @return bool|string - */ - public function load($id, $doNotTestCacheValidity = false) - { - $data = $this->_redis->hGet(self::PREFIX_KEY.$id, self::FIELD_DATA); - if ($data === NULL) { - return FALSE; - } - return $this->_decodeData($data); - } - - /** - * Test if a cache is available or not (for the given id) - * - * @param string $id Cache id - * @return bool|int False if record is not available or "last modified" timestamp of the available cache record - */ - public function test($id) - { - $mtime = $this->_redis->hGet(self::PREFIX_KEY.$id, self::FIELD_MTIME); - return ($mtime ? $mtime : FALSE); - } - - /** - * Save some string datas into a cache record - * - * Note : $data is always "string" (serialization is done by the - * core not by the backend) - * - * @param string $data Datas to cache - * @param string $id Cache id - * @param array $tags Array of strings, the cache record will be tagged by each string entry - * @param bool|int $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime) - * @throws CredisException - * @return boolean True if no problem - */ - public function save($data, $id, $tags = array(), $specificLifetime = false) - { - if(!is_array($tags)) - $tags = $tags ? array($tags) : array(); - else - $tags = array_flip(array_flip($tags)); - - $lifetime = $this->getLifetime($specificLifetime); - - if ($this->_useLua) { - $sArgs = array( - self::PREFIX_KEY, - self::FIELD_DATA, - self::FIELD_TAGS, - self::FIELD_MTIME, - self::FIELD_INF, - self::SET_TAGS, - self::PREFIX_TAG_IDS, - self::SET_IDS, - $id, - $this->_encodeData($data, $this->_compressData), - $this->_encodeData(implode(',',$tags), $this->_compressTags), - time(), - $lifetime ? 0 : 1, - min($lifetime, self::MAX_LIFETIME), - $this->_notMatchingTags ? 1 : 0 - ); - - $res = $this->_redis->evalSha(self::LUA_SAVE_SH1, $tags, $sArgs); - if (is_null($res)) { - $script = - "local oldTags = redis.call('HGET', ARGV[1]..ARGV[9], ARGV[3]) ". - "redis.call('HMSET', ARGV[1]..ARGV[9], ARGV[2], ARGV[10], ARGV[3], ARGV[11], ARGV[4], ARGV[12], ARGV[5], ARGV[13]) ". - "if (ARGV[13] == '0') then ". - "redis.call('EXPIRE', ARGV[1]..ARGV[9], ARGV[14]) ". - "end ". - "if next(KEYS) ~= nil then ". - "redis.call('SADD', ARGV[6], unpack(KEYS)) ". - "for _, tagname in ipairs(KEYS) do ". - "redis.call('SADD', ARGV[7]..tagname, ARGV[9]) ". - "end ". - "end ". - "if (ARGV[15] == '1') then ". - "redis.call('SADD', ARGV[8], ARGV[9]) ". - "end ". - "if (oldTags ~= false) then ". - "return oldTags ". - "else ". - "return '' ". - "end"; - $res = $this->_redis->eval($script, $tags, $sArgs); - } - - // Process removed tags if cache entry already existed - if ($res) { - $oldTags = explode(',', $this->_decodeData($res)); - if ($remTags = ($oldTags ? array_diff($oldTags, $tags) : FALSE)) - { - // Update the id list for each tag - foreach($remTags as $tag) - { - $this->_redis->sRem(self::PREFIX_TAG_IDS . $tag, $id); - } - } - } - - return TRUE; - } - - // Get list of tags previously assigned - $oldTags = $this->_decodeData($this->_redis->hGet(self::PREFIX_KEY.$id, self::FIELD_TAGS)); - $oldTags = $oldTags ? explode(',', $oldTags) : array(); - - $this->_redis->pipeline()->multi(); - - // Set the data - $result = $this->_redis->hMSet(self::PREFIX_KEY.$id, array( - self::FIELD_DATA => $this->_encodeData($data, $this->_compressData), - self::FIELD_TAGS => $this->_encodeData(implode(',',$tags), $this->_compressTags), - self::FIELD_MTIME => time(), - self::FIELD_INF => $lifetime ? 0 : 1, - )); - if( ! $result) { - throw new CredisException("Could not set cache key $id"); - } - - // Set expiration if specified - if ($lifetime) { - $this->_redis->expire(self::PREFIX_KEY.$id, min($lifetime, self::MAX_LIFETIME)); - } - - // Process added tags - if ($tags) - { - // Update the list with all the tags - $this->_redis->sAdd( self::SET_TAGS, $tags); - - // Update the id list for each tag - foreach($tags as $tag) - { - $this->_redis->sAdd(self::PREFIX_TAG_IDS . $tag, $id); - } - } - - // Process removed tags - if ($remTags = ($oldTags ? array_diff($oldTags, $tags) : FALSE)) - { - // Update the id list for each tag - foreach($remTags as $tag) - { - $this->_redis->sRem(self::PREFIX_TAG_IDS . $tag, $id); - } - } - - // Update the list with all the ids - if($this->_notMatchingTags) { - $this->_redis->sAdd(self::SET_IDS, $id); - } - - $this->_redis->exec(); - - return TRUE; - } - - /** - * Remove a cache record - * - * @param string $id Cache id - * @return boolean True if no problem - */ - public function remove($id) - { - // Get list of tags for this id - $tags = explode(',', $this->_decodeData($this->_redis->hGet(self::PREFIX_KEY.$id, self::FIELD_TAGS))); - - $this->_redis->pipeline()->multi(); - - // Remove data - $this->_redis->del(self::PREFIX_KEY.$id); - - // Remove id from list of all ids - if($this->_notMatchingTags) { - $this->_redis->sRem( self::SET_IDS, $id ); - } - - // Update the id list for each tag - foreach($tags as $tag) { - $this->_redis->sRem(self::PREFIX_TAG_IDS . $tag, $id); - } - - $result = $this->_redis->exec(); - - return (bool) $result[0]; - } - - /** - * @param array $tags - */ - protected function _removeByNotMatchingTags($tags) - { - $ids = $this->getIdsNotMatchingTags($tags); - if($ids) - { - $this->_redis->pipeline()->multi(); - - // Remove data - $this->_redis->del( $this->_preprocessIds($ids)); - - // Remove ids from list of all ids - if($this->_notMatchingTags) { - $this->_redis->sRem( self::SET_IDS, $ids); - } - - $this->_redis->exec(); - } - } - - /** - * @param array $tags - */ - protected function _removeByMatchingTags($tags) - { - $ids = $this->getIdsMatchingTags($tags); - if($ids) - { - $this->_redis->pipeline()->multi(); - - // Remove data - $this->_redis->del( $this->_preprocessIds($ids)); - - // Remove ids from list of all ids - if($this->_notMatchingTags) { - $this->_redis->sRem( self::SET_IDS, $ids); - } - - $this->_redis->exec(); - } - } - - /** - * @param array $tags - */ - protected function _removeByMatchingAnyTags($tags) - { - if ($this->_useLua) { - $pTags = $this->_preprocessTagIds($tags); - $sArgs = array(self::PREFIX_KEY, self::SET_TAGS, self::SET_IDS, ($this->_notMatchingTags ? 1 : 0), (int) $this->_luaMaxCStack); - if ( ! $this->_redis->evalSha(self::LUA_CLEAN_SH1, $pTags, $sArgs)) { - $script = - "for i = 1, #KEYS, ARGV[5] do ". - "local keysToDel = redis.call('SUNION', unpack(KEYS, i, math.min(#KEYS, i + ARGV[5] - 1))) ". - "for _, keyname in ipairs(keysToDel) do ". - "redis.call('DEL', ARGV[1]..keyname) ". - "if (ARGV[4] == '1') then ". - "redis.call('SREM', ARGV[3], keyname) ". - "end ". - "end ". - "redis.call('DEL', unpack(KEYS, i, math.min(#KEYS, i + ARGV[5] - 1))) ". - "redis.call('SREM', ARGV[2], unpack(KEYS, i, math.min(#KEYS, i + ARGV[5] - 1))) ". - "end ". - "return true"; - $this->_redis->eval($script, $pTags, $sArgs); - } - return; - } - - $ids = $this->getIdsMatchingAnyTags($tags); - - $this->_redis->pipeline()->multi(); - - if($ids) - { - // Remove data - $this->_redis->del( $this->_preprocessIds($ids)); - - // Remove ids from list of all ids - if($this->_notMatchingTags) { - $this->_redis->sRem( self::SET_IDS, $ids); - } - } - - // Remove tag id lists - $this->_redis->del( $this->_preprocessTagIds($tags)); - - // Remove tags from list of tags - $this->_redis->sRem( self::SET_TAGS, $tags); - - $this->_redis->exec(); - } - - /** - * Clean up tag id lists since as keys expire the ids remain in the tag id lists - */ - protected function _collectGarbage() - { - // Clean up expired keys from tag id set and global id set - - if ($this->_useLua) { - $sArgs = array(self::PREFIX_KEY, self::SET_TAGS, self::SET_IDS, self::PREFIX_TAG_IDS, ($this->_notMatchingTags ? 1 : 0)); - $allTags = (array) $this->_redis->sMembers(self::SET_TAGS); - $tagsCount = count($allTags); - $counter = 0; - $tagsBatch = array(); - foreach ($allTags as $tag) { - $tagsBatch[] = $tag; - $counter++; - if (count($tagsBatch) == 10 || $counter == $tagsCount ) { - if ( ! $this->_redis->evalSha(self::LUA_GC_SH1, $tagsBatch, $sArgs)) { - $script = - "local tagKeys = {} ". - "local expired = {} ". - "local expiredCount = 0 ". - "local notExpiredCount = 0 ". - "for _, tagName in ipairs(KEYS) do ". - "tagKeys = redis.call('SMEMBERS', ARGV[4]..tagName) ". - "for __, keyName in ipairs(tagKeys) do ". - "if (redis.call('EXISTS', ARGV[1]..keyName) == 0) then ". - "expiredCount = expiredCount + 1 ". - "expired[expiredCount] = keyName ". - /* Redis Lua scripts have a hard limit of 8000 parameters per command */ - "if (expiredCount == 7990) then ". - "redis.call('SREM', ARGV[4]..tagName, unpack(expired)) ". - "if (ARGV[5] == '1') then ". - "redis.call('SREM', ARGV[3], unpack(expired)) ". - "end ". - "expiredCount = 0 ". - "expired = {} ". - "end ". - "else ". - "notExpiredCount = notExpiredCount + 1 ". - "end ". - "end ". - "if (expiredCount > 0) then ". - "redis.call('SREM', ARGV[4]..tagName, unpack(expired)) ". - "if (ARGV[5] == '1') then ". - "redis.call('SREM', ARGV[3], unpack(expired)) ". - "end ". - "end ". - "if (notExpiredCount == 0) then ". - "redis.call ('DEL', ARGV[4]..tagName) ". - "redis.call ('SREM', ARGV[2], tagName) ". - "end ". - "expired = {} ". - "expiredCount = 0 ". - "notExpiredCount = 0 ". - "end ". - "return true"; - $this->_redis->eval($script, $tagsBatch, $sArgs); - } - $tagsBatch = array(); - /* Give Redis some time to handle other requests */ - usleep(20000); - } - } - return; - } - - $exists = array(); - $tags = (array) $this->_redis->sMembers(self::SET_TAGS); - foreach($tags as $tag) - { - // Get list of expired ids for each tag - $tagMembers = $this->_redis->sMembers(self::PREFIX_TAG_IDS . $tag); - $numTagMembers = count($tagMembers); - $expired = array(); - $numExpired = $numNotExpired = 0; - if($numTagMembers) { - while ($id = array_pop($tagMembers)) { - if( ! isset($exists[$id])) { - $exists[$id] = $this->_redis->exists(self::PREFIX_KEY.$id); - } - if ($exists[$id]) { - $numNotExpired++; - } - else { - $numExpired++; - $expired[] = $id; - - // Remove incrementally to reduce memory usage - if (count($expired) % 100 == 0 && $numNotExpired > 0) { - $this->_redis->sRem( self::PREFIX_TAG_IDS . $tag, $expired); - if($this->_notMatchingTags) { // Clean up expired ids from ids set - $this->_redis->sRem( self::SET_IDS, $expired); - } - $expired = array(); - } - } - } - if( ! count($expired)) continue; - } - - // Remove empty tags or completely expired tags - if ($numExpired == $numTagMembers) { - $this->_redis->del(self::PREFIX_TAG_IDS . $tag); - $this->_redis->sRem(self::SET_TAGS, $tag); - } - // Clean up expired ids from tag ids set - else if (count($expired)) { - $this->_redis->sRem( self::PREFIX_TAG_IDS . $tag, $expired); - if($this->_notMatchingTags) { // Clean up expired ids from ids set - $this->_redis->sRem( self::SET_IDS, $expired); - } - } - unset($expired); - } - - // Clean up global list of ids for ids with no tag - if($this->_notMatchingTags) { - // TODO - } - } - - /** - * Clean some cache records - * - * Available modes are : - * 'all' (default) => remove all cache entries ($tags is not used) - * 'old' => runs _collectGarbage() - * 'matchingTag' => supported - * 'notMatchingTag' => supported - * 'matchingAnyTag' => supported - * - * @param string $mode Clean mode - * @param array $tags Array of tags - * @throws Zend_Cache_Exception - * @return boolean True if no problem - */ - public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array()) - { - if( $tags && ! is_array($tags)) { - $tags = array($tags); - } - - try { - if ($mode == Zend_Cache::CLEANING_MODE_ALL) { - return $this->_redis->flushDb(); - } - if ($mode == Zend_Cache::CLEANING_MODE_OLD) { - $this->_collectGarbage(); - return TRUE; - } - if ( ! count($tags)) { - return TRUE; - } - switch ($mode) - { - case Zend_Cache::CLEANING_MODE_MATCHING_TAG: - - $this->_removeByMatchingTags($tags); - break; - - case Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG: - - $this->_removeByNotMatchingTags($tags); - break; - - case Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG: - - $this->_removeByMatchingAnyTags($tags); - break; - - default: - Zend_Cache::throwException('Invalid mode for clean() method: '.$mode); - } - } catch (CredisException $e) { - Zend_Cache::throwException('Error cleaning cache by mode '.$mode.': '.$e->getMessage(), $e); - } - return TRUE; - } - - /** - * Return true if the automatic cleaning is available for the backend - * - * @return boolean - */ - public function isAutomaticCleaningAvailable() - { - return TRUE; - } - - /** - * Set the frontend directives - * - * @param array $directives Assoc of directives - * @throws Zend_Cache_Exception - * @return void - */ - public function setDirectives($directives) - { - parent::setDirectives($directives); - $lifetime = $this->getLifetime(false); - if ($lifetime > self::MAX_LIFETIME) { - Zend_Cache::throwException('Redis backend has a limit of 30 days (2592000 seconds) for the lifetime'); - } - } - - /** - * Return an array of stored cache ids - * - * @return array array of stored cache ids (string) - */ - public function getIds() - { - if($this->_notMatchingTags) { - return (array) $this->_redis->sMembers(self::SET_IDS); - } else { - $keys = $this->_redis->keys(self::PREFIX_KEY . '*'); - $prefixLen = strlen(self::PREFIX_KEY); - foreach($keys as $index => $key) { - $keys[$index] = substr($key, $prefixLen); - } - return $keys; - } - } - - /** - * Return an array of stored tags - * - * @return array array of stored tags (string) - */ - public function getTags() - { - return (array) $this->_redis->sMembers(self::SET_TAGS); - } - - /** - * Return an array of stored cache ids which match given tags - * - * In case of multiple tags, a logical AND is made between tags - * - * @param array $tags array of tags - * @return array array of matching cache ids (string) - */ - public function getIdsMatchingTags($tags = array()) - { - if ($tags) { - return (array) $this->_redis->sInter( $this->_preprocessTagIds($tags) ); - } - return array(); - } - - /** - * Return an array of stored cache ids which don't match given tags - * - * In case of multiple tags, a negated logical AND is made between tags - * - * @param array $tags array of tags - * @return array array of not matching cache ids (string) - */ - public function getIdsNotMatchingTags($tags = array()) - { - if( ! $this->_notMatchingTags) { - Zend_Cache::throwException("notMatchingTags is currently disabled."); - } - if ($tags) { - return (array) $this->_redis->sDiff( self::SET_IDS, $this->_preprocessTagIds($tags) ); - } - return (array) $this->_redis->sMembers( self::SET_IDS ); - } - - /** - * Return an array of stored cache ids which match any given tags - * - * In case of multiple tags, a logical OR is made between tags - * - * @param array $tags array of tags - * @return array array of any matching cache ids (string) - */ - public function getIdsMatchingAnyTags($tags = array()) - { - if ($tags) { - return (array) $this->_redis->sUnion( $this->_preprocessTagIds($tags)); - } - return array(); - } - - /** - * Return the filling percentage of the backend storage - * - * @throws Zend_Cache_Exception - * @return int integer between 0 and 100 - */ - public function getFillingPercentage() - { - $maxMem = $this->_redis->config('GET','maxmemory'); - if (0 == (int) $maxMem['maxmemory']) { - return 1; - } - $info = $this->_redis->info(); - return round( - ($info['used_memory']/$maxMem['maxmemory']*100) - ,0 - ,PHP_ROUND_HALF_UP - ); - } - - /** - * Return an array of metadatas for the given cache id - * - * The array must include these keys : - * - expire : the expire timestamp - * - tags : a string array of tags - * - mtime : timestamp of last modification time - * - * @param string $id cache id - * @return array array of metadatas (false if the cache id is not found) - */ - public function getMetadatas($id) - { - list($tags, $mtime, $inf) = $this->_redis->hMGet(self::PREFIX_KEY.$id, array(self::FIELD_TAGS, self::FIELD_MTIME, self::FIELD_INF)); - if( ! $mtime) { - return FALSE; - } - $tags = explode(',', $this->_decodeData($tags)); - $expire = $inf === '1' ? FALSE : time() + $this->_redis->ttl(self::PREFIX_KEY.$id); - - return array( - 'expire' => $expire, - 'tags' => $tags, - 'mtime' => $mtime, - ); - } - - /** - * Give (if possible) an extra lifetime to the given cache id - * - * @param string $id cache id - * @param int $extraLifetime - * @return boolean true if ok - */ - public function touch($id, $extraLifetime) - { - list($inf) = $this->_redis->hGet(self::PREFIX_KEY.$id, self::FIELD_INF); - if ($inf === '0') { - $expireAt = time() + $this->_redis->ttl(self::PREFIX_KEY.$id) + $extraLifetime; - return (bool) $this->_redis->expireAt(self::PREFIX_KEY.$id, $expireAt); - } - return false; - } - - /** - * Return an associative array of capabilities (booleans) of the backend - * - * The array must include these keys : - * - automatic_cleaning (is automating cleaning necessary) - * - tags (are tags supported) - * - expired_read (is it possible to read expired cache records - * (for doNotTestCacheValidity option for example)) - * - priority does the backend deal with priority when saving - * - infinite_lifetime (is infinite lifetime can work with this backend) - * - get_list (is it possible to get the list of cache ids and the complete list of tags) - * - * @return array associative of with capabilities - */ - public function getCapabilities() - { - return array( - 'automatic_cleaning' => ($this->_options['automatic_cleaning_factor'] > 0), - 'tags' => true, - 'expired_read' => false, - 'priority' => false, - 'infinite_lifetime' => true, - 'get_list' => true, - ); - } - - /** - * @param string $data - * @param int $level - * @throws CredisException - * @return string - */ - protected function _encodeData($data, $level) - { - if ($this->_compressionLib && $level && strlen($data) >= $this->_compressThreshold) { - switch($this->_compressionLib) { - case 'snappy': $data = snappy_compress($data); break; - case 'lzf': $data = lzf_compress($data); break; - case 'l4z': $data = lz4_compress($data,($level > 1 ? true : false)); break; - case 'gzip': $data = gzcompress($data, $level); break; - default: throw new CredisException("Unrecognized 'compression_lib'."); - } - if( ! $data) { - throw new CredisException("Could not compress cache data."); - } - return $this->_compressPrefix.$data; - } - return $data; - } - - /** - * @param bool|string $data - * @return string - */ - protected function _decodeData($data) - { - if (substr($data,2,3) == self::COMPRESS_PREFIX) { - switch(substr($data,0,2)) { - case 'sn': return snappy_uncompress(substr($data,5)); - case 'lz': return lzf_decompress(substr($data,5)); - case 'l4': return lz4_uncompress(substr($data,5)); - case 'gz': case 'zc': return gzuncompress(substr($data,5)); - } - } - return $data; - } - - /** - * @param $item - * @param $index - * @param $prefix - */ - protected function _preprocess(&$item, $index, $prefix) - { - $item = $prefix . $item; - } - - /** - * @param $ids - * @return array - */ - protected function _preprocessIds($ids) - { - array_walk($ids, array($this, '_preprocess'), self::PREFIX_KEY); - return $ids; - } - - /** - * @param $tags - * @return array - */ - protected function _preprocessTagIds($tags) - { - array_walk($tags, array($this, '_preprocess'), self::PREFIX_TAG_IDS); - return $tags; - } - - /** - * Required to pass unit tests - * - * @param string $id - * @return void - */ - public function ___expire($id) - { - $this->_redis->del(self::PREFIX_KEY.$id); - } - -} diff --git a/lib/Credis/Client.php b/lib/Credis/Client.php deleted file mode 100644 index b4906d80459..00000000000 --- a/lib/Credis/Client.php +++ /dev/null @@ -1,1150 +0,0 @@ - - * @copyright 2011 Colin Mollenhour - * @license http://www.opensource.org/licenses/mit-license.php The MIT License - * @package Credis_Client - */ - -if( ! defined('CRLF')) define('CRLF', sprintf('%s%s', chr(13), chr(10))); - -/** - * Credis-specific errors, wraps native Redis errors - */ -class CredisException extends Exception -{ - - const CODE_TIMED_OUT = 1; - const CODE_DISCONNECTED = 2; - - public function __construct($message, $code = 0, $exception = NULL) - { - if ($exception && get_class($exception) == 'RedisException' && $message == 'read error on connection') { - $code = CredisException::CODE_DISCONNECTED; - } - parent::__construct($message, $code, $exception); - } - -} - -/** - * Credis_Client, a lightweight Redis PHP standalone client and phpredis wrapper - * - * Server/Connection: - * @method Credis_Client pipeline() - * @method Credis_Client multi() - * @method array exec() - * @method string flushAll() - * @method string flushDb() - * @method array info() - * @method bool|array config(string $setGet, string $key, string $value = null) - * - * Keys: - * @method int del(string $key) - * @method int exists(string $key) - * @method int expire(string $key, int $seconds) - * @method int expireAt(string $key, int $timestamp) - * @method array keys(string $key) - * @method int persist(string $key) - * @method bool rename(string $key, string $newKey) - * @method bool renameNx(string $key, string $newKey) - * @method array sort(string $key, string $arg1, string $valueN = null) - * @method int ttl(string $key) - * @method string type(string $key) - * - * Scalars: - * @method int append(string $key, string $value) - * @method int decr(string $key) - * @method int decrBy(string $key, int $decrement) - * @method bool|string get(string $key) - * @method int getBit(string $key, int $offset) - * @method string getRange(string $key, int $start, int $end) - * @method string getSet(string $key, string $value) - * @method int incr(string $key) - * @method int incrBy(string $key, int $decrement) - * @method array mGet(array $keys) - * @method bool mSet(array $keysValues) - * @method int mSetNx(array $keysValues) - * @method bool set(string $key, string $value) - * @method int setBit(string $key, int $offset, int $value) - * @method bool setEx(string $key, int $seconds, string $value) - * @method int setNx(string $key, string $value) - * @method int setRange(string $key, int $offset, int $value) - * @method int strLen(string $key) - * - * Sets: - * @method int sAdd(string $key, mixed $value, string $valueN = null) - * @method int sRem(string $key, mixed $value, string $valueN = null) - * @method array sMembers(string $key) - * @method array sUnion(mixed $keyOrArray, string $valueN = null) - * @method array sInter(mixed $keyOrArray, string $valueN = null) - * @method array sDiff(mixed $keyOrArray, string $valueN = null) - * @method string sPop(string $key) - * @method int sCard(string $key) - * @method int sIsMember(string $key, string $member) - * @method int sMove(string $source, string $dest, string $member) - * @method string|array sRandMember(string $key, int $count = null) - * @method int sUnionStore(string $dest, string $key1, string $key2 = null) - * @method int sInterStore(string $dest, string $key1, string $key2 = null) - * @method int sDiffStore(string $dest, string $key1, string $key2 = null) - * - * Hashes: - * @method bool|int hSet(string $key, string $field, string $value) - * @method bool hSetNx(string $key, string $field, string $value) - * @method bool|string hGet(string $key, string $field) - * @method bool|int hLen(string $key) - * @method bool hDel(string $key, string $field) - * @method array hKeys(string $key, string $field) - * @method array hVals(string $key, string $field) - * @method array hGetAll(string $key) - * @method bool hExists(string $key, string $field) - * @method int hIncrBy(string $key, string $field, int $value) - * @method bool hMSet(string $key, array $keysValues) - * @method array hMGet(string $key, array $fields) - * - * Lists: - * @method array|null blPop(string $keyN, int $timeout) - * @method array|null brPop(string $keyN, int $timeout) - * @method array|null brPoplPush(string $source, string $destination, int $timeout) - * @method string|null lIndex(string $key, int $index) - * @method int lInsert(string $key, string $beforeAfter, string $pivot, string $value) - * @method int lLen(string $key) - * @method string|null lPop(string $key) - * @method int lPush(string $key, mixed $value, mixed $valueN = null) - * @method int lPushX(string $key, mixed $value) - * @method array lRange(string $key, int $start, int $stop) - * @method int lRem(string $key, int $count, mixed $value) - * @method bool lSet(string $key, int $index, mixed $value) - * @method bool lTrim(string $key, int $start, int $stop) - * @method string|null rPop(string $key) - * @method string|null rPoplPush(string $source, string $destination) - * @method int rPush(string $key, mixed $value, mixed $valueN = null) - * @method int rPushX(string $key, mixed $value) - * - * Sorted Sets: - * TODO - * - * Pub/Sub - * @method int publish(string $channel, string $message) - * @method int|array pubsub(string $subCommand, $arg = NULL) - * - * Scripting: - * @method string|int script(string $command, string $arg1 = null) - * @method string|int|array|bool eval(string $script, array $keys = NULL, array $args = NULL) - * @method string|int|array|bool evalSha(string $script, array $keys = NULL, array $args = NULL) - */ -class Credis_Client { - - const TYPE_STRING = 'string'; - const TYPE_LIST = 'list'; - const TYPE_SET = 'set'; - const TYPE_ZSET = 'zset'; - const TYPE_HASH = 'hash'; - const TYPE_NONE = 'none'; - const FREAD_BLOCK_SIZE = 8192; - - /** - * Socket connection to the Redis server or Redis library instance - * @var resource|Redis - */ - protected $redis; - protected $redisMulti; - - /** - * Host of the Redis server - * @var string - */ - protected $host; - - /** - * Port on which the Redis server is running - * @var integer - */ - protected $port; - - /** - * Timeout for connecting to Redis server - * @var float - */ - protected $timeout; - - /** - * Timeout for reading response from Redis server - * @var float - */ - protected $readTimeout; - - /** - * Unique identifier for persistent connections - * @var string - */ - protected $persistent; - - /** - * @var bool - */ - protected $closeOnDestruct = TRUE; - - /** - * @var bool - */ - protected $connected = FALSE; - - /** - * @var bool - */ - protected $standalone; - - /** - * @var int - */ - protected $maxConnectRetries = 0; - - /** - * @var int - */ - protected $connectFailures = 0; - - /** - * @var bool - */ - protected $usePipeline = FALSE; - - /** - * @var array - */ - protected $commandNames; - - /** - * @var string - */ - protected $commands; - - /** - * @var bool - */ - protected $isMulti = FALSE; - - /** - * @var bool - */ - protected $isWatching = FALSE; - - /** - * @var string - */ - protected $authPassword; - - /** - * @var int - */ - protected $selectedDb = 0; - - /** - * Aliases for backwards compatibility with phpredis - * @var array - */ - protected $wrapperMethods = array('delete' => 'del', 'getkeys' => 'keys', 'sremove' => 'srem'); - - /** - * @var array - */ - protected $renamedCommands; - - /** - * @var int - */ - protected $requests = 0; - - /** - * @var bool - */ - protected $subscribed = false; - - - /** - * Creates a Redisent connection to the Redis server on host {@link $host} and port {@link $port}. - * $host may also be a path to a unix socket or a string in the form of tcp://[hostname]:[port] or unix://[path] - * - * @param string $host The hostname of the Redis server - * @param integer $port The port number of the Redis server - * @param float $timeout Timeout period in seconds - * @param string $persistent Flag to establish persistent connection - * @param int $db The selected datbase of the Redis server - * @param string $password The authentication password of the Redis server - */ - public function __construct($host = '127.0.0.1', $port = 6379, $timeout = null, $persistent = '', $db = 0, $password = null) - { - $this->host = (string) $host; - $this->port = (int) $port; - $this->timeout = $timeout; - $this->persistent = (string) $persistent; - $this->standalone = ! extension_loaded('redis'); - $this->authPassword = $password; - $this->selectedDb = (int)$db; - $this->convertHost(); - } - - public function __destruct() - { - if ($this->closeOnDestruct) { - $this->close(); - } - } - - /** - * @return bool - */ - public function isSubscribed() - { - return $this->subscribed; - } - - /** - * Return the host of the Redis instance - * @return string - */ - public function getHost() - { - return $this->host; - } - /** - * Return the port of the Redis instance - * @return int - */ - public function getPort() - { - return $this->port; - } - - /** - * Return the selected database - * @return int - */ - public function getSelectedDb() - { - return $this->selectedDb; - } - /** - * @return string - */ - public function getPersistence() - { - return $this->persistent; - } - /** - * @throws CredisException - * @return Credis_Client - */ - public function forceStandalone() - { - if($this->connected) { - throw new CredisException('Cannot force Credis_Client to use standalone PHP driver after a connection has already been established.'); - } - $this->standalone = TRUE; - return $this; - } - - /** - * @param int $retries - * @return Credis_Client - */ - public function setMaxConnectRetries($retries) - { - $this->maxConnectRetries = $retries; - return $this; - } - - /** - * @param bool $flag - * @return Credis_Client - */ - public function setCloseOnDestruct($flag) - { - $this->closeOnDestruct = $flag; - return $this; - } - protected function convertHost() - { - if (preg_match('#^(tcp|unix)://(.*)$#', $this->host, $matches)) { - if($matches[1] == 'tcp') { - if ( ! preg_match('#^([^:]+)(:([0-9]+))?(/(.+))?$#', $matches[2], $matches)) { - throw new CredisException('Invalid host format; expected tcp://host[:port][/persistence_identifier]'); - } - $this->host = $matches[1]; - $this->port = (int) (isset($matches[3]) ? $matches[3] : 6379); - $this->persistent = isset($matches[5]) ? $matches[5] : ''; - } else { - $this->host = $matches[2]; - $this->port = NULL; - if (substr($this->host,0,1) != '/') { - throw new CredisException('Invalid unix socket format; expected unix:///path/to/redis.sock'); - } - } - } - if ($this->port !== NULL && substr($this->host,0,1) == '/') { - $this->port = NULL; - } - } - /** - * @throws CredisException - * @return Credis_Client - */ - public function connect() - { - if ($this->connected) { - return $this; - } - if ($this->standalone) { - $flags = STREAM_CLIENT_CONNECT; - $remote_socket = $this->port === NULL - ? 'unix://'.$this->host - : 'tcp://'.$this->host.':'.$this->port; - if ($this->persistent) { - if ($this->port === NULL) { // Unix socket - throw new CredisException('Persistent connections to UNIX sockets are not supported in standalone mode.'); - } - $remote_socket .= '/'.$this->persistent; - $flags = $flags | STREAM_CLIENT_PERSISTENT; - } - $result = $this->redis = @stream_socket_client($remote_socket, $errno, $errstr, $this->timeout !== null ? $this->timeout : 2.5, $flags); - } - else { - if ( ! $this->redis) { - $this->redis = new Redis; - } - $result = $this->persistent - ? $this->redis->pconnect($this->host, $this->port, $this->timeout, $this->persistent) - : $this->redis->connect($this->host, $this->port, $this->timeout); - } - - // Use recursion for connection retries - if ( ! $result) { - $this->connectFailures++; - if ($this->connectFailures <= $this->maxConnectRetries) { - return $this->connect(); - } - $failures = $this->connectFailures; - $this->connectFailures = 0; - throw new CredisException("Connection to Redis failed after $failures failures." . (isset($errno) && isset($errstr) ? "Last Error : ({$errno}) {$errstr}" : "")); - } - - $this->connectFailures = 0; - $this->connected = TRUE; - - // Set read timeout - if ($this->readTimeout) { - $this->setReadTimeout($this->readTimeout); - } - - if($this->authPassword !== null) { - $this->auth($this->authPassword); - } - if($this->selectedDb !== 0) { - $this->select($this->selectedDb); - } - return $this; - } - /** - * @return bool - */ - public function isConnected() - { - return $this->connected; - } - /** - * Set the read timeout for the connection. Use 0 to disable timeouts entirely (or use a very long timeout - * if not supported). - * - * @param int $timeout 0 (or -1) for no timeout, otherwise number of seconds - * @throws CredisException - * @return Credis_Client - */ - public function setReadTimeout($timeout) - { - if ($timeout < -1) { - throw new CredisException('Timeout values less than -1 are not accepted.'); - } - $this->readTimeout = $timeout; - if ($this->connected) { - if ($this->standalone) { - $timeout = $timeout <= 0 ? 315360000 : $timeout; // Ten-year timeout - stream_set_blocking($this->redis, TRUE); - stream_set_timeout($this->redis, (int) floor($timeout), ($timeout - floor($timeout)) * 1000000); - } else if (defined('Redis::OPT_READ_TIMEOUT')) { - // supported in phpredis 2.2.3 - // a timeout value of -1 means reads will not timeout - $timeout = $timeout == 0 ? -1 : $timeout; - $this->redis->setOption(Redis::OPT_READ_TIMEOUT, $timeout); - } - } - return $this; - } - - /** - * @return bool - */ - public function close() - { - $result = TRUE; - if ($this->connected && ! $this->persistent) { - try { - $result = $this->standalone ? fclose($this->redis) : $this->redis->close(); - $this->connected = FALSE; - } catch (Exception $e) { - ; // Ignore exceptions on close - } - } - return $result; - } - - /** - * Enabled command renaming and provide mapping method. Supported methods are: - * - * 1. renameCommand('foo') // Salted md5 hash for all commands -> md5('foo'.$command) - * 2. renameCommand(function($command){ return 'my'.$command; }); // Callable - * 3. renameCommand('get', 'foo') // Single command -> alias - * 4. renameCommand(['get' => 'foo', 'set' => 'bar']) // Full map of [command -> alias] - * - * @param string|callable|array $command - * @param string|null $alias - * @return $this - */ - public function renameCommand($command, $alias = NULL) - { - if ( ! $this->standalone) { - $this->forceStandalone(); - } - if ($alias === NULL) { - $this->renamedCommands = $command; - } else { - if ( ! $this->renamedCommands) { - $this->renamedCommands = array(); - } - $this->renamedCommands[$command] = $alias; - } - return $this; - } - - /** - * @param $command - */ - public function getRenamedCommand($command) - { - static $map; - - // Command renaming not enabled - if ($this->renamedCommands === NULL) { - return $command; - } - - // Initialize command map - if ($map === NULL) { - if (is_array($this->renamedCommands)) { - $map = $this->renamedCommands; - } else { - $map = array(); - } - } - - // Generate and return cached result - if ( ! isset($map[$command])) { - // String means all commands are hashed with salted md5 - if (is_string($this->renamedCommands)) { - $map[$command] = md5($this->renamedCommands.$command); - } - // Would already be set in $map if it was intended to be renamed - else if (is_array($this->renamedCommands)) { - return $command; - } - // User-supplied function - else if (is_callable($this->renamedCommands)) { - $map[$command] = call_user_func($this->renamedCommands, $command); - } - } - return $map[$command]; - } - - /** - * @param string $password - * @return bool - */ - public function auth($password) - { - $response = $this->__call('auth', array($password)); - $this->authPassword = $password; - return $response; - } - - /** - * @param int $index - * @return bool - */ - public function select($index) - { - $response = $this->__call('select', array($index)); - $this->selectedDb = (int) $index; - return $response; - } - - /** - * @param string|array $pattern - * @return array - */ - public function pUnsubscribe() - { - list($command, $channel, $subscribedChannels) = $this->__call('punsubscribe', func_get_args()); - $this->subscribed = $subscribedChannels > 0; - return array($command, $channel, $subscribedChannels); - } - - /** - * @param string|array $patterns - * @param $callback - * @return $this|array|bool|Credis_Client|mixed|null|string - * @throws CredisException - */ - public function pSubscribe($patterns, $callback) - { - if ( ! $this->standalone) { - return $this->__call('pSubscribe', array((array)$patterns, $callback)); - } - - // Standalone mode: use infinite loop to subscribe until timeout - $patternCount = is_array($patterns) ? count($patterns) : 1; - while ($patternCount--) { - if (isset($status)) { - list($command, $pattern, $status) = $this->read_reply(); - } else { - list($command, $pattern, $status) = $this->__call('psubscribe', array($patterns)); - } - $this->subscribed = $status > 0; - if ( ! $status) { - throw new CredisException('Invalid pSubscribe response.'); - } - } - try { - while ($this->subscribed) { - list($type, $pattern, $channel, $message) = $this->read_reply(); - if ($type != 'pmessage') { - throw new CredisException('Received non-pmessage reply.'); - } - $callback($this, $pattern, $channel, $message); - } - } catch (CredisException $e) { - if ($e->getCode() == CredisException::CODE_TIMED_OUT) { - try { - list($command, $pattern, $status) = $this->pUnsubscribe($patterns); - while ($status !== 0) { - list($command, $pattern, $status) = $this->read_reply(); - } - } catch (CredisException $e2) { - throw $e2; - } - } - throw $e; - } - } - - /** - * @param string|array $pattern - * @return array - */ - public function unsubscribe() - { - list($command, $channel, $subscribedChannels) = $this->__call('unsubscribe', func_get_args()); - $this->subscribed = $subscribedChannels > 0; - return array($command, $channel, $subscribedChannels); - } - - /** - * @param string|array $channels - * @param $callback - * @throws CredisException - * @return $this|array|bool|Credis_Client|mixed|null|string - */ - public function subscribe($channels, $callback) - { - if ( ! $this->standalone) { - return $this->__call('subscribe', array((array)$channels, $callback)); - } - - // Standalone mode: use infinite loop to subscribe until timeout - $channelCount = is_array($channels) ? count($channels) : 1; - while ($channelCount--) { - if (isset($status)) { - list($command, $channel, $status) = $this->read_reply(); - } else { - list($command, $channel, $status) = $this->__call('subscribe', array($channels)); - } - $this->subscribed = $status > 0; - if ( ! $status) { - throw new CredisException('Invalid subscribe response.'); - } - } - try { - while ($this->subscribed) { - list($type, $channel, $message) = $this->read_reply(); - if ($type != 'message') { - throw new CredisException('Received non-message reply.'); - } - $callback($this, $channel, $message); - } - } catch (CredisException $e) { - if ($e->getCode() == CredisException::CODE_TIMED_OUT) { - try { - list($command, $channel, $status) = $this->unsubscribe($channels); - while ($status !== 0) { - list($command, $channel, $status) = $this->read_reply(); - } - } catch (CredisException $e2) { - throw $e2; - } - } - throw $e; - } - } - - public function __call($name, $args) - { - // Lazy connection - $this->connect(); - - $name = strtolower($name); - - // Send request via native PHP - if($this->standalone) - { - switch ($name) { - case 'eval': - case 'evalsha': - $script = array_shift($args); - $keys = (array) array_shift($args); - $eArgs = (array) array_shift($args); - $args = array($script, count($keys), $keys, $eArgs); - break; - } - // Flatten arguments - $argsFlat = NULL; - foreach($args as $index => $arg) { - if(is_array($arg)) { - if($argsFlat === NULL) { - $argsFlat = array_slice($args, 0, $index); - } - if($name == 'mset' || $name == 'msetnx' || $name == 'hmset') { - foreach($arg as $key => $value) { - $argsFlat[] = $key; - $argsFlat[] = $value; - } - } else { - $argsFlat = array_merge($argsFlat, $arg); - } - } else if($argsFlat !== NULL) { - $argsFlat[] = $arg; - } - } - if($argsFlat !== NULL) { - $args = $argsFlat; - $argsFlat = NULL; - } - - // In pipeline mode - if($this->usePipeline) - { - if($name == 'pipeline') { - throw new CredisException('A pipeline is already in use and only one pipeline is supported.'); - } - else if($name == 'exec') { - if($this->isMulti) { - $this->commandNames[] = $name; - $this->commands .= self::_prepare_command(array($this->getRenamedCommand($name))); - } - - // Write request - if($this->commands) { - $this->write_command($this->commands); - } - $this->commands = NULL; - - // Read response - $response = array(); - foreach($this->commandNames as $command) { - $response[] = $this->read_reply($command); - } - $this->commandNames = NULL; - - if($this->isMulti) { - $response = array_pop($response); - } - $this->usePipeline = $this->isMulti = FALSE; - return $response; - } - else { - if($name == 'multi') { - $this->isMulti = TRUE; - } - array_unshift($args, $this->getRenamedCommand($name)); - $this->commandNames[] = $name; - $this->commands .= self::_prepare_command($args); - return $this; - } - } - - // Start pipeline mode - if($name == 'pipeline') - { - $this->usePipeline = TRUE; - $this->commandNames = array(); - $this->commands = ''; - return $this; - } - - // If unwatching, allow reconnect with no error thrown - if($name == 'unwatch') { - $this->isWatching = FALSE; - } - - // Non-pipeline mode - array_unshift($args, $this->getRenamedCommand($name)); - $command = self::_prepare_command($args); - $this->write_command($command); - $response = $this->read_reply($name); - - // Watch mode disables reconnect so error is thrown - if($name == 'watch') { - $this->isWatching = TRUE; - } - // Transaction mode - else if($this->isMulti && ($name == 'exec' || $name == 'discard')) { - $this->isMulti = FALSE; - } - // Started transaction - else if($this->isMulti || $name == 'multi') { - $this->isMulti = TRUE; - $response = $this; - } - } - - // Send request via phpredis client - else - { - // Tweak arguments - switch($name) { - case 'get': // optimize common cases - case 'set': - case 'hget': - case 'hset': - case 'setex': - case 'mset': - case 'msetnx': - case 'hmset': - case 'hmget': - case 'del': - break; - case 'mget': - if(isset($args[0]) && ! is_array($args[0])) { - $args = array($args); - } - break; - case 'lrem': - $args = array($args[0], $args[2], $args[1]); - break; - case 'eval': - case 'evalsha': - if (isset($args[1]) && is_array($args[1])) { - $cKeys = $args[1]; - } elseif (isset($args[1]) && is_string($args[1])) { - $cKeys = array($args[1]); - } else { - $cKeys = array(); - } - if (isset($args[2]) && is_array($args[2])) { - $cArgs = $args[2]; - } elseif (isset($args[2]) && is_string($args[2])) { - $cArgs = array($args[2]); - } else { - $cArgs = array(); - } - $args = array($args[0], array_merge($cKeys, $cArgs), count($cKeys)); - break; - case 'subscribe': - case 'psubscribe': - break; - default: - // Flatten arguments - $argsFlat = NULL; - foreach($args as $index => $arg) { - if(is_array($arg)) { - if($argsFlat === NULL) { - $argsFlat = array_slice($args, 0, $index); - } - $argsFlat = array_merge($argsFlat, $arg); - } else if($argsFlat !== NULL) { - $argsFlat[] = $arg; - } - } - if($argsFlat !== NULL) { - $args = $argsFlat; - $argsFlat = NULL; - } - } - - try { - // Proxy pipeline mode to the phpredis library - if($name == 'pipeline' || $name == 'multi') { - if($this->isMulti) { - return $this; - } else { - $this->isMulti = TRUE; - $this->redisMulti = call_user_func_array(array($this->redis, $name), $args); - } - } - else if($name == 'exec' || $name == 'discard') { - $this->isMulti = FALSE; - $response = $this->redisMulti->$name(); - $this->redisMulti = NULL; - #echo "> $name : ".substr(print_r($response, TRUE),0,100)."\n"; - return $response; - } - - // Use aliases to be compatible with phpredis wrapper - if(isset($this->wrapperMethods[$name])) { - $name = $this->wrapperMethods[$name]; - } - - // Multi and pipeline return self for chaining - if($this->isMulti) { - call_user_func_array(array($this->redisMulti, $name), $args); - return $this; - } - - // Send request, retry one time when using persistent connections on the first request only - $this->requests++; - try { - $response = call_user_func_array(array($this->redis, $name), $args); - } catch (RedisException $e) { - if ($this->persistent && $this->requests == 1 && $e->getMessage() == 'read error on connection') { - $this->connected = FALSE; - $this->connect(); - $response = call_user_func_array(array($this->redis, $name), $args); - } else { - throw $e; - } - } - } - // Wrap exceptions - catch(RedisException $e) { - $code = 0; - if ( ! ($result = $this->redis->IsConnected())) { - $this->connected = FALSE; - $code = CredisException::CODE_DISCONNECTED; - } - throw new CredisException($e->getMessage(), $code, $e); - } - - #echo "> $name : ".substr(print_r($response, TRUE),0,100)."\n"; - - // change return values where it is too difficult to minim in standalone mode - switch($name) - { - case 'hmget': - $response = array_values($response); - break; - - case 'type': - $typeMap = array( - self::TYPE_NONE, - self::TYPE_STRING, - self::TYPE_SET, - self::TYPE_LIST, - self::TYPE_ZSET, - self::TYPE_HASH, - ); - $response = $typeMap[$response]; - break; - - // Handle scripting errors - case 'eval': - case 'evalsha': - case 'script': - $error = $this->redis->getLastError(); - $this->redis->clearLastError(); - if ($error && substr($error,0,8) == 'NOSCRIPT') { - $response = NULL; - } else if ($error) { - throw new CredisException($error); - } - break; - default: - $error = $this->redis->getLastError(); - $this->redis->clearLastError(); - if ($error) { - throw new CredisException($error); - } - break; - } - } - - return $response; - } - - protected function write_command($command) - { - // Reconnect on lost connection (Redis server "timeout" exceeded since last command) - if(feof($this->redis)) { - $this->close(); - // If a watch or transaction was in progress and connection was lost, throw error rather than reconnect - // since transaction/watch state will be lost. - if(($this->isMulti && ! $this->usePipeline) || $this->isWatching) { - $this->isMulti = $this->isWatching = FALSE; - throw new CredisException('Lost connection to Redis server during watch or transaction.'); - } - $this->connected = FALSE; - $this->connect(); - if($this->authPassword) { - $this->auth($this->authPassword); - } - if($this->selectedDb != 0) { - $this->select($this->selectedDb); - } - } - - $commandLen = strlen($command); - for ($written = 0; $written < $commandLen; $written += $fwrite) { - $fwrite = fwrite($this->redis, substr($command, $written)); - if ($fwrite === FALSE || $fwrite == 0 ) { - $this->connected = FALSE; - throw new CredisException('Failed to write entire command to stream'); - } - } - } - - protected function read_reply($name = '') - { - $reply = fgets($this->redis); - if($reply === FALSE) { - $info = stream_get_meta_data($this->redis); - if ($info['timed_out']) { - throw new CredisException('Read operation timed out.', CredisException::CODE_TIMED_OUT); - } else { - $this->connected = FALSE; - throw new CredisException('Lost connection to Redis server.', CredisException::CODE_DISCONNECTED); - } - } - $reply = rtrim($reply, CRLF); - #echo "> $name: $reply\n"; - $replyType = substr($reply, 0, 1); - switch ($replyType) { - /* Error reply */ - case '-': - if($this->isMulti || $this->usePipeline) { - $response = FALSE; - } else if ($name == 'evalsha' && substr($reply,0,9) == '-NOSCRIPT') { - $response = NULL; - } else { - throw new CredisException(substr($reply,0,4) == '-ERR' ? substr($reply, 5) : substr($reply,1)); - } - break; - /* Inline reply */ - case '+': - $response = substr($reply, 1); - if($response == 'OK' || $response == 'QUEUED') { - return TRUE; - } - break; - /* Bulk reply */ - case '$': - if ($reply == '$-1') return FALSE; - $size = (int) substr($reply, 1); - $response = stream_get_contents($this->redis, $size + 2); - if( ! $response) { - $this->connected = FALSE; - throw new CredisException('Error reading reply.'); - } - $response = substr($response, 0, $size); - break; - /* Multi-bulk reply */ - case '*': - $count = substr($reply, 1); - if ($count == '-1') return FALSE; - - $response = array(); - for ($i = 0; $i < $count; $i++) { - $response[] = $this->read_reply(); - } - break; - /* Integer reply */ - case ':': - $response = intval(substr($reply, 1)); - break; - default: - throw new CredisException('Invalid response: '.print_r($reply, TRUE)); - break; - } - - // Smooth over differences between phpredis and standalone response - switch($name) - { - case '': // Minor optimization for multi-bulk replies - break; - case 'config': - case 'hgetall': - $keys = $values = array(); - while($response) { - $keys[] = array_shift($response); - $values[] = array_shift($response); - } - $response = count($keys) ? array_combine($keys, $values) : array(); - break; - case 'info': - $lines = explode(CRLF, trim($response,CRLF)); - $response = array(); - foreach($lines as $line) { - if ( ! $line || substr($line, 0, 1) == '#') { - continue; - } - list($key, $value) = explode(':', $line, 2); - $response[$key] = $value; - } - break; - case 'ttl': - if($response === -1) { - $response = FALSE; - } - break; - } - - return $response; - } - - /** - * Build the Redis unified protocol command - * - * @param array $args - * @return string - */ - private static function _prepare_command($args) - { - return sprintf('*%d%s%s%s', count($args), CRLF, implode(CRLF, array_map(array('self', '_map'), $args)), CRLF); - } - - private static function _map($arg) - { - return sprintf('$%d%s%s', strlen($arg), CRLF, $arg); - } - -} diff --git a/lib/Net/IDNA2.php b/lib/Net/IDNA2.php deleted file mode 100644 index 1f35b4ec9de..00000000000 --- a/lib/Net/IDNA2.php +++ /dev/null @@ -1,3402 +0,0 @@ - - * @author Matthias Sommerfeld - * @author Stefan Neufeind - * @version $Id$ - */ -class Net_IDNA2 -{ - // {{{ npdata - /** - * These Unicode codepoints are - * mapped to nothing, See RFC3454 for details - * - * @static - * @var array - * @access private - */ - private static $_np_map_nothing = array( - 0xAD, - 0x34F, - 0x1806, - 0x180B, - 0x180C, - 0x180D, - 0x200B, - 0x200C, - 0x200D, - 0x2060, - 0xFE00, - 0xFE01, - 0xFE02, - 0xFE03, - 0xFE04, - 0xFE05, - 0xFE06, - 0xFE07, - 0xFE08, - 0xFE09, - 0xFE0A, - 0xFE0B, - 0xFE0C, - 0xFE0D, - 0xFE0E, - 0xFE0F, - 0xFEFF - ); - - /** - * Prohibited codepints - * - * @static - * @var array - * @access private - */ - private static $_general_prohibited = array( - 0, - 1, - 2, - 3, - 4, - 5, - 6, - 7, - 8, - 9, - 0xA, - 0xB, - 0xC, - 0xD, - 0xE, - 0xF, - 0x10, - 0x11, - 0x12, - 0x13, - 0x14, - 0x15, - 0x16, - 0x17, - 0x18, - 0x19, - 0x1A, - 0x1B, - 0x1C, - 0x1D, - 0x1E, - 0x1F, - 0x20, - 0x21, - 0x22, - 0x23, - 0x24, - 0x25, - 0x26, - 0x27, - 0x28, - 0x29, - 0x2A, - 0x2B, - 0x2C, - 0x2F, - 0x3B, - 0x3C, - 0x3D, - 0x3E, - 0x3F, - 0x40, - 0x5B, - 0x5C, - 0x5D, - 0x5E, - 0x5F, - 0x60, - 0x7B, - 0x7C, - 0x7D, - 0x7E, - 0x7F, - 0x3002 - ); - - /** - * Codepints prohibited by Nameprep - * @static - * @var array - * @access private - */ - private static $_np_prohibit = array( - 0xA0, - 0x1680, - 0x2000, - 0x2001, - 0x2002, - 0x2003, - 0x2004, - 0x2005, - 0x2006, - 0x2007, - 0x2008, - 0x2009, - 0x200A, - 0x200B, - 0x202F, - 0x205F, - 0x3000, - 0x6DD, - 0x70F, - 0x180E, - 0x200C, - 0x200D, - 0x2028, - 0x2029, - 0xFEFF, - 0xFFF9, - 0xFFFA, - 0xFFFB, - 0xFFFC, - 0xFFFE, - 0xFFFF, - 0x1FFFE, - 0x1FFFF, - 0x2FFFE, - 0x2FFFF, - 0x3FFFE, - 0x3FFFF, - 0x4FFFE, - 0x4FFFF, - 0x5FFFE, - 0x5FFFF, - 0x6FFFE, - 0x6FFFF, - 0x7FFFE, - 0x7FFFF, - 0x8FFFE, - 0x8FFFF, - 0x9FFFE, - 0x9FFFF, - 0xAFFFE, - 0xAFFFF, - 0xBFFFE, - 0xBFFFF, - 0xCFFFE, - 0xCFFFF, - 0xDFFFE, - 0xDFFFF, - 0xEFFFE, - 0xEFFFF, - 0xFFFFE, - 0xFFFFF, - 0x10FFFE, - 0x10FFFF, - 0xFFF9, - 0xFFFA, - 0xFFFB, - 0xFFFC, - 0xFFFD, - 0x340, - 0x341, - 0x200E, - 0x200F, - 0x202A, - 0x202B, - 0x202C, - 0x202D, - 0x202E, - 0x206A, - 0x206B, - 0x206C, - 0x206D, - 0x206E, - 0x206F, - 0xE0001 - ); - - /** - * Codepoint ranges prohibited by nameprep - * - * @static - * @var array - * @access private - */ - private static $_np_prohibit_ranges = array( - array(0x80, 0x9F ), - array(0x2060, 0x206F ), - array(0x1D173, 0x1D17A ), - array(0xE000, 0xF8FF ), - array(0xF0000, 0xFFFFD ), - array(0x100000, 0x10FFFD), - array(0xFDD0, 0xFDEF ), - array(0xD800, 0xDFFF ), - array(0x2FF0, 0x2FFB ), - array(0xE0020, 0xE007F ) - ); - - /** - * Replacement mappings (casemapping, replacement sequences, ...) - * - * @static - * @var array - * @access private - */ - private static $_np_replacemaps = array( - 0x41 => array(0x61), - 0x42 => array(0x62), - 0x43 => array(0x63), - 0x44 => array(0x64), - 0x45 => array(0x65), - 0x46 => array(0x66), - 0x47 => array(0x67), - 0x48 => array(0x68), - 0x49 => array(0x69), - 0x4A => array(0x6A), - 0x4B => array(0x6B), - 0x4C => array(0x6C), - 0x4D => array(0x6D), - 0x4E => array(0x6E), - 0x4F => array(0x6F), - 0x50 => array(0x70), - 0x51 => array(0x71), - 0x52 => array(0x72), - 0x53 => array(0x73), - 0x54 => array(0x74), - 0x55 => array(0x75), - 0x56 => array(0x76), - 0x57 => array(0x77), - 0x58 => array(0x78), - 0x59 => array(0x79), - 0x5A => array(0x7A), - 0xB5 => array(0x3BC), - 0xC0 => array(0xE0), - 0xC1 => array(0xE1), - 0xC2 => array(0xE2), - 0xC3 => array(0xE3), - 0xC4 => array(0xE4), - 0xC5 => array(0xE5), - 0xC6 => array(0xE6), - 0xC7 => array(0xE7), - 0xC8 => array(0xE8), - 0xC9 => array(0xE9), - 0xCA => array(0xEA), - 0xCB => array(0xEB), - 0xCC => array(0xEC), - 0xCD => array(0xED), - 0xCE => array(0xEE), - 0xCF => array(0xEF), - 0xD0 => array(0xF0), - 0xD1 => array(0xF1), - 0xD2 => array(0xF2), - 0xD3 => array(0xF3), - 0xD4 => array(0xF4), - 0xD5 => array(0xF5), - 0xD6 => array(0xF6), - 0xD8 => array(0xF8), - 0xD9 => array(0xF9), - 0xDA => array(0xFA), - 0xDB => array(0xFB), - 0xDC => array(0xFC), - 0xDD => array(0xFD), - 0xDE => array(0xFE), - 0xDF => array(0x73, 0x73), - 0x100 => array(0x101), - 0x102 => array(0x103), - 0x104 => array(0x105), - 0x106 => array(0x107), - 0x108 => array(0x109), - 0x10A => array(0x10B), - 0x10C => array(0x10D), - 0x10E => array(0x10F), - 0x110 => array(0x111), - 0x112 => array(0x113), - 0x114 => array(0x115), - 0x116 => array(0x117), - 0x118 => array(0x119), - 0x11A => array(0x11B), - 0x11C => array(0x11D), - 0x11E => array(0x11F), - 0x120 => array(0x121), - 0x122 => array(0x123), - 0x124 => array(0x125), - 0x126 => array(0x127), - 0x128 => array(0x129), - 0x12A => array(0x12B), - 0x12C => array(0x12D), - 0x12E => array(0x12F), - 0x130 => array(0x69, 0x307), - 0x132 => array(0x133), - 0x134 => array(0x135), - 0x136 => array(0x137), - 0x139 => array(0x13A), - 0x13B => array(0x13C), - 0x13D => array(0x13E), - 0x13F => array(0x140), - 0x141 => array(0x142), - 0x143 => array(0x144), - 0x145 => array(0x146), - 0x147 => array(0x148), - 0x149 => array(0x2BC, 0x6E), - 0x14A => array(0x14B), - 0x14C => array(0x14D), - 0x14E => array(0x14F), - 0x150 => array(0x151), - 0x152 => array(0x153), - 0x154 => array(0x155), - 0x156 => array(0x157), - 0x158 => array(0x159), - 0x15A => array(0x15B), - 0x15C => array(0x15D), - 0x15E => array(0x15F), - 0x160 => array(0x161), - 0x162 => array(0x163), - 0x164 => array(0x165), - 0x166 => array(0x167), - 0x168 => array(0x169), - 0x16A => array(0x16B), - 0x16C => array(0x16D), - 0x16E => array(0x16F), - 0x170 => array(0x171), - 0x172 => array(0x173), - 0x174 => array(0x175), - 0x176 => array(0x177), - 0x178 => array(0xFF), - 0x179 => array(0x17A), - 0x17B => array(0x17C), - 0x17D => array(0x17E), - 0x17F => array(0x73), - 0x181 => array(0x253), - 0x182 => array(0x183), - 0x184 => array(0x185), - 0x186 => array(0x254), - 0x187 => array(0x188), - 0x189 => array(0x256), - 0x18A => array(0x257), - 0x18B => array(0x18C), - 0x18E => array(0x1DD), - 0x18F => array(0x259), - 0x190 => array(0x25B), - 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0x1D46E => array(0x67), - 0x1D46F => array(0x68), - 0x1D470 => array(0x69), - 0x1D471 => array(0x6A), - 0x1D472 => array(0x6B), - 0x1D473 => array(0x6C), - 0x1D474 => array(0x6D), - 0x1D475 => array(0x6E), - 0x1D476 => array(0x6F), - 0x1D477 => array(0x70), - 0x1D478 => array(0x71), - 0x1D479 => array(0x72), - 0x1D47A => array(0x73), - 0x1D47B => array(0x74), - 0x1D47C => array(0x75), - 0x1D47D => array(0x76), - 0x1D47E => array(0x77), - 0x1D47F => array(0x78), - 0x1D480 => array(0x79), - 0x1D481 => array(0x7A), - 0x1D49C => array(0x61), - 0x1D49E => array(0x63), - 0x1D49F => array(0x64), - 0x1D4A2 => array(0x67), - 0x1D4A5 => array(0x6A), - 0x1D4A6 => array(0x6B), - 0x1D4A9 => array(0x6E), - 0x1D4AA => array(0x6F), - 0x1D4AB => array(0x70), - 0x1D4AC => array(0x71), - 0x1D4AE => array(0x73), - 0x1D4AF => array(0x74), - 0x1D4B0 => array(0x75), - 0x1D4B1 => array(0x76), - 0x1D4B2 => array(0x77), - 0x1D4B3 => array(0x78), - 0x1D4B4 => array(0x79), - 0x1D4B5 => array(0x7A), - 0x1D4D0 => array(0x61), - 0x1D4D1 => array(0x62), - 0x1D4D2 => array(0x63), - 0x1D4D3 => array(0x64), - 0x1D4D4 => array(0x65), - 0x1D4D5 => array(0x66), - 0x1D4D6 => array(0x67), - 0x1D4D7 => array(0x68), - 0x1D4D8 => array(0x69), - 0x1D4D9 => array(0x6A), - 0x1D4DA => array(0x6B), - 0x1D4DB => array(0x6C), - 0x1D4DC => array(0x6D), - 0x1D4DD => array(0x6E), - 0x1D4DE => array(0x6F), - 0x1D4DF => array(0x70), - 0x1D4E0 => array(0x71), - 0x1D4E1 => array(0x72), - 0x1D4E2 => array(0x73), - 0x1D4E3 => array(0x74), - 0x1D4E4 => array(0x75), - 0x1D4E5 => array(0x76), - 0x1D4E6 => array(0x77), - 0x1D4E7 => array(0x78), - 0x1D4E8 => array(0x79), - 0x1D4E9 => array(0x7A), - 0x1D504 => array(0x61), - 0x1D505 => array(0x62), - 0x1D507 => array(0x64), - 0x1D508 => array(0x65), - 0x1D509 => array(0x66), - 0x1D50A => array(0x67), - 0x1D50D => array(0x6A), - 0x1D50E => array(0x6B), - 0x1D50F => array(0x6C), - 0x1D510 => array(0x6D), - 0x1D511 => array(0x6E), - 0x1D512 => array(0x6F), - 0x1D513 => array(0x70), - 0x1D514 => array(0x71), - 0x1D516 => array(0x73), - 0x1D517 => array(0x74), - 0x1D518 => array(0x75), - 0x1D519 => array(0x76), - 0x1D51A => array(0x77), - 0x1D51B => array(0x78), - 0x1D51C => array(0x79), - 0x1D538 => array(0x61), - 0x1D539 => array(0x62), - 0x1D53B => array(0x64), - 0x1D53C => array(0x65), - 0x1D53D => array(0x66), - 0x1D53E => array(0x67), - 0x1D540 => array(0x69), - 0x1D541 => array(0x6A), - 0x1D542 => array(0x6B), - 0x1D543 => array(0x6C), - 0x1D544 => array(0x6D), - 0x1D546 => array(0x6F), - 0x1D54A => array(0x73), - 0x1D54B => array(0x74), - 0x1D54C => array(0x75), - 0x1D54D => array(0x76), - 0x1D54E => array(0x77), - 0x1D54F => array(0x78), - 0x1D550 => array(0x79), - 0x1D56C => array(0x61), - 0x1D56D => array(0x62), - 0x1D56E => array(0x63), - 0x1D56F => array(0x64), - 0x1D570 => array(0x65), - 0x1D571 => array(0x66), - 0x1D572 => array(0x67), - 0x1D573 => array(0x68), - 0x1D574 => array(0x69), - 0x1D575 => array(0x6A), - 0x1D576 => array(0x6B), - 0x1D577 => array(0x6C), - 0x1D578 => array(0x6D), - 0x1D579 => array(0x6E), - 0x1D57A => array(0x6F), - 0x1D57B => array(0x70), - 0x1D57C => array(0x71), - 0x1D57D => array(0x72), - 0x1D57E => array(0x73), - 0x1D57F => array(0x74), - 0x1D580 => array(0x75), - 0x1D581 => array(0x76), - 0x1D582 => array(0x77), - 0x1D583 => array(0x78), - 0x1D584 => array(0x79), - 0x1D585 => array(0x7A), - 0x1D5A0 => array(0x61), - 0x1D5A1 => array(0x62), - 0x1D5A2 => array(0x63), - 0x1D5A3 => array(0x64), - 0x1D5A4 => array(0x65), - 0x1D5A5 => array(0x66), - 0x1D5A6 => array(0x67), - 0x1D5A7 => array(0x68), - 0x1D5A8 => array(0x69), - 0x1D5A9 => array(0x6A), - 0x1D5AA => array(0x6B), - 0x1D5AB => array(0x6C), - 0x1D5AC => array(0x6D), - 0x1D5AD => array(0x6E), - 0x1D5AE => array(0x6F), - 0x1D5AF => array(0x70), - 0x1D5B0 => array(0x71), - 0x1D5B1 => array(0x72), - 0x1D5B2 => array(0x73), - 0x1D5B3 => array(0x74), - 0x1D5B4 => array(0x75), - 0x1D5B5 => array(0x76), - 0x1D5B6 => array(0x77), - 0x1D5B7 => array(0x78), - 0x1D5B8 => array(0x79), - 0x1D5B9 => array(0x7A), - 0x1D5D4 => array(0x61), - 0x1D5D5 => array(0x62), - 0x1D5D6 => array(0x63), - 0x1D5D7 => array(0x64), - 0x1D5D8 => array(0x65), - 0x1D5D9 => array(0x66), - 0x1D5DA => array(0x67), - 0x1D5DB => array(0x68), - 0x1D5DC => array(0x69), - 0x1D5DD => array(0x6A), - 0x1D5DE => array(0x6B), - 0x1D5DF => array(0x6C), - 0x1D5E0 => array(0x6D), - 0x1D5E1 => array(0x6E), - 0x1D5E2 => array(0x6F), - 0x1D5E3 => array(0x70), - 0x1D5E4 => array(0x71), - 0x1D5E5 => array(0x72), - 0x1D5E6 => array(0x73), - 0x1D5E7 => array(0x74), - 0x1D5E8 => array(0x75), - 0x1D5E9 => array(0x76), - 0x1D5EA => array(0x77), - 0x1D5EB => array(0x78), - 0x1D5EC => array(0x79), - 0x1D5ED => array(0x7A), - 0x1D608 => array(0x61), - 0x1D609 => array(0x62), - 0x1D60A => array(0x63), - 0x1D60B => array(0x64), - 0x1D60C => array(0x65), - 0x1D60D => array(0x66), - 0x1D60E => array(0x67), - 0x1D60F => array(0x68), - 0x1D610 => array(0x69), - 0x1D611 => array(0x6A), - 0x1D612 => array(0x6B), - 0x1D613 => array(0x6C), - 0x1D614 => array(0x6D), - 0x1D615 => array(0x6E), - 0x1D616 => array(0x6F), - 0x1D617 => array(0x70), - 0x1D618 => array(0x71), - 0x1D619 => array(0x72), - 0x1D61A => array(0x73), - 0x1D61B => array(0x74), - 0x1D61C => array(0x75), - 0x1D61D => array(0x76), - 0x1D61E => array(0x77), - 0x1D61F => array(0x78), - 0x1D620 => array(0x79), - 0x1D621 => array(0x7A), - 0x1D63C => array(0x61), - 0x1D63D => array(0x62), - 0x1D63E => array(0x63), - 0x1D63F => array(0x64), - 0x1D640 => array(0x65), - 0x1D641 => array(0x66), - 0x1D642 => array(0x67), - 0x1D643 => array(0x68), - 0x1D644 => array(0x69), - 0x1D645 => array(0x6A), - 0x1D646 => array(0x6B), - 0x1D647 => array(0x6C), - 0x1D648 => array(0x6D), - 0x1D649 => array(0x6E), - 0x1D64A => array(0x6F), - 0x1D64B => array(0x70), - 0x1D64C => array(0x71), - 0x1D64D => array(0x72), - 0x1D64E => array(0x73), - 0x1D64F => array(0x74), - 0x1D650 => array(0x75), - 0x1D651 => array(0x76), - 0x1D652 => array(0x77), - 0x1D653 => array(0x78), - 0x1D654 => array(0x79), - 0x1D655 => array(0x7A), - 0x1D670 => array(0x61), - 0x1D671 => array(0x62), - 0x1D672 => array(0x63), - 0x1D673 => array(0x64), - 0x1D674 => array(0x65), - 0x1D675 => array(0x66), - 0x1D676 => array(0x67), - 0x1D677 => array(0x68), - 0x1D678 => array(0x69), - 0x1D679 => array(0x6A), - 0x1D67A => array(0x6B), - 0x1D67B => array(0x6C), - 0x1D67C => array(0x6D), - 0x1D67D => array(0x6E), - 0x1D67E => array(0x6F), - 0x1D67F => array(0x70), - 0x1D680 => array(0x71), - 0x1D681 => array(0x72), - 0x1D682 => array(0x73), - 0x1D683 => array(0x74), - 0x1D684 => array(0x75), - 0x1D685 => array(0x76), - 0x1D686 => array(0x77), - 0x1D687 => array(0x78), - 0x1D688 => array(0x79), - 0x1D689 => array(0x7A), - 0x1D6A8 => array(0x3B1), - 0x1D6A9 => array(0x3B2), - 0x1D6AA => array(0x3B3), - 0x1D6AB => array(0x3B4), - 0x1D6AC => array(0x3B5), - 0x1D6AD => array(0x3B6), - 0x1D6AE => array(0x3B7), - 0x1D6AF => array(0x3B8), - 0x1D6B0 => array(0x3B9), - 0x1D6B1 => array(0x3BA), - 0x1D6B2 => array(0x3BB), - 0x1D6B3 => array(0x3BC), - 0x1D6B4 => array(0x3BD), - 0x1D6B5 => array(0x3BE), - 0x1D6B6 => array(0x3BF), - 0x1D6B7 => array(0x3C0), - 0x1D6B8 => array(0x3C1), - 0x1D6B9 => array(0x3B8), - 0x1D6BA => array(0x3C3), - 0x1D6BB => array(0x3C4), - 0x1D6BC => array(0x3C5), - 0x1D6BD => array(0x3C6), - 0x1D6BE => array(0x3C7), - 0x1D6BF => array(0x3C8), - 0x1D6C0 => array(0x3C9), - 0x1D6D3 => array(0x3C3), - 0x1D6E2 => array(0x3B1), - 0x1D6E3 => array(0x3B2), - 0x1D6E4 => array(0x3B3), - 0x1D6E5 => array(0x3B4), - 0x1D6E6 => array(0x3B5), - 0x1D6E7 => array(0x3B6), - 0x1D6E8 => array(0x3B7), - 0x1D6E9 => array(0x3B8), - 0x1D6EA => array(0x3B9), - 0x1D6EB => array(0x3BA), - 0x1D6EC => array(0x3BB), - 0x1D6ED => array(0x3BC), - 0x1D6EE => array(0x3BD), - 0x1D6EF => array(0x3BE), - 0x1D6F0 => array(0x3BF), - 0x1D6F1 => array(0x3C0), - 0x1D6F2 => array(0x3C1), - 0x1D6F3 => array(0x3B8), - 0x1D6F4 => array(0x3C3), - 0x1D6F5 => array(0x3C4), - 0x1D6F6 => array(0x3C5), - 0x1D6F7 => array(0x3C6), - 0x1D6F8 => array(0x3C7), - 0x1D6F9 => array(0x3C8), - 0x1D6FA => array(0x3C9), - 0x1D70D => array(0x3C3), - 0x1D71C => array(0x3B1), - 0x1D71D => array(0x3B2), - 0x1D71E => array(0x3B3), - 0x1D71F => array(0x3B4), - 0x1D720 => array(0x3B5), - 0x1D721 => array(0x3B6), - 0x1D722 => array(0x3B7), - 0x1D723 => array(0x3B8), - 0x1D724 => array(0x3B9), - 0x1D725 => array(0x3BA), - 0x1D726 => array(0x3BB), - 0x1D727 => array(0x3BC), - 0x1D728 => array(0x3BD), - 0x1D729 => array(0x3BE), - 0x1D72A => array(0x3BF), - 0x1D72B => array(0x3C0), - 0x1D72C => array(0x3C1), - 0x1D72D => array(0x3B8), - 0x1D72E => array(0x3C3), - 0x1D72F => array(0x3C4), - 0x1D730 => array(0x3C5), - 0x1D731 => array(0x3C6), - 0x1D732 => array(0x3C7), - 0x1D733 => array(0x3C8), - 0x1D734 => array(0x3C9), - 0x1D747 => array(0x3C3), - 0x1D756 => array(0x3B1), - 0x1D757 => array(0x3B2), - 0x1D758 => array(0x3B3), - 0x1D759 => array(0x3B4), - 0x1D75A => array(0x3B5), - 0x1D75B => array(0x3B6), - 0x1D75C => array(0x3B7), - 0x1D75D => array(0x3B8), - 0x1D75E => array(0x3B9), - 0x1D75F => array(0x3BA), - 0x1D760 => array(0x3BB), - 0x1D761 => array(0x3BC), - 0x1D762 => array(0x3BD), - 0x1D763 => array(0x3BE), - 0x1D764 => array(0x3BF), - 0x1D765 => array(0x3C0), - 0x1D766 => array(0x3C1), - 0x1D767 => array(0x3B8), - 0x1D768 => array(0x3C3), - 0x1D769 => array(0x3C4), - 0x1D76A => array(0x3C5), - 0x1D76B => array(0x3C6), - 0x1D76C => array(0x3C7), - 0x1D76D => array(0x3C8), - 0x1D76E => array(0x3C9), - 0x1D781 => array(0x3C3), - 0x1D790 => array(0x3B1), - 0x1D791 => array(0x3B2), - 0x1D792 => array(0x3B3), - 0x1D793 => array(0x3B4), - 0x1D794 => array(0x3B5), - 0x1D795 => array(0x3B6), - 0x1D796 => array(0x3B7), - 0x1D797 => array(0x3B8), - 0x1D798 => array(0x3B9), - 0x1D799 => array(0x3BA), - 0x1D79A => array(0x3BB), - 0x1D79B => array(0x3BC), - 0x1D79C => array(0x3BD), - 0x1D79D => array(0x3BE), - 0x1D79E => array(0x3BF), - 0x1D79F => array(0x3C0), - 0x1D7A0 => array(0x3C1), - 0x1D7A1 => array(0x3B8), - 0x1D7A2 => array(0x3C3), - 0x1D7A3 => array(0x3C4), - 0x1D7A4 => array(0x3C5), - 0x1D7A5 => array(0x3C6), - 0x1D7A6 => array(0x3C7), - 0x1D7A7 => array(0x3C8), - 0x1D7A8 => array(0x3C9), - 0x1D7BB => array(0x3C3), - 0x3F9 => array(0x3C3), - 0x1D2C => array(0x61), - 0x1D2D => array(0xE6), - 0x1D2E => array(0x62), - 0x1D30 => array(0x64), - 0x1D31 => array(0x65), - 0x1D32 => array(0x1DD), - 0x1D33 => array(0x67), - 0x1D34 => array(0x68), - 0x1D35 => array(0x69), - 0x1D36 => array(0x6A), - 0x1D37 => array(0x6B), - 0x1D38 => array(0x6C), - 0x1D39 => array(0x6D), - 0x1D3A => array(0x6E), - 0x1D3C => array(0x6F), - 0x1D3D => array(0x223), - 0x1D3E => array(0x70), - 0x1D3F => array(0x72), - 0x1D40 => array(0x74), - 0x1D41 => array(0x75), - 0x1D42 => array(0x77), - 0x213B => array(0x66, 0x61, 0x78), - 0x3250 => array(0x70, 0x74, 0x65), - 0x32CC => array(0x68, 0x67), - 0x32CE => array(0x65, 0x76), - 0x32CF => array(0x6C, 0x74, 0x64), - 0x337A => array(0x69, 0x75), - 0x33DE => array(0x76, 0x2215, 0x6D), - 0x33DF => array(0x61, 0x2215, 0x6D) - ); - - /** - * Normalization Combining Classes; Code Points not listed - * got Combining Class 0. - * - * @static - * @var array - * @access private - */ - private static $_np_norm_combcls = array( - 0x334 => 1, - 0x335 => 1, - 0x336 => 1, - 0x337 => 1, - 0x338 => 1, - 0x93C => 7, - 0x9BC => 7, - 0xA3C => 7, - 0xABC => 7, - 0xB3C => 7, - 0xCBC => 7, - 0x1037 => 7, - 0x3099 => 8, - 0x309A => 8, - 0x94D => 9, - 0x9CD => 9, - 0xA4D => 9, - 0xACD => 9, - 0xB4D => 9, - 0xBCD => 9, - 0xC4D => 9, - 0xCCD => 9, - 0xD4D => 9, - 0xDCA => 9, - 0xE3A => 9, - 0xF84 => 9, - 0x1039 => 9, - 0x1714 => 9, - 0x1734 => 9, - 0x17D2 => 9, - 0x5B0 => 10, - 0x5B1 => 11, - 0x5B2 => 12, - 0x5B3 => 13, - 0x5B4 => 14, - 0x5B5 => 15, - 0x5B6 => 16, - 0x5B7 => 17, - 0x5B8 => 18, - 0x5B9 => 19, - 0x5BB => 20, - 0x5Bc => 21, - 0x5BD => 22, - 0x5BF => 23, - 0x5C1 => 24, - 0x5C2 => 25, - 0xFB1E => 26, - 0x64B => 27, - 0x64C => 28, - 0x64D => 29, - 0x64E => 30, - 0x64F => 31, - 0x650 => 32, - 0x651 => 33, - 0x652 => 34, - 0x670 => 35, - 0x711 => 36, - 0xC55 => 84, - 0xC56 => 91, - 0xE38 => 103, - 0xE39 => 103, - 0xE48 => 107, - 0xE49 => 107, - 0xE4A => 107, - 0xE4B => 107, - 0xEB8 => 118, - 0xEB9 => 118, - 0xEC8 => 122, - 0xEC9 => 122, - 0xECA => 122, - 0xECB => 122, - 0xF71 => 129, - 0xF72 => 130, - 0xF7A => 130, - 0xF7B => 130, - 0xF7C => 130, - 0xF7D => 130, - 0xF80 => 130, - 0xF74 => 132, - 0x321 => 202, - 0x322 => 202, - 0x327 => 202, - 0x328 => 202, - 0x31B => 216, - 0xF39 => 216, - 0x1D165 => 216, - 0x1D166 => 216, - 0x1D16E => 216, - 0x1D16F => 216, - 0x1D170 => 216, - 0x1D171 => 216, - 0x1D172 => 216, - 0x302A => 218, - 0x316 => 220, - 0x317 => 220, - 0x318 => 220, - 0x319 => 220, - 0x31C => 220, - 0x31D => 220, - 0x31E => 220, - 0x31F => 220, - 0x320 => 220, - 0x323 => 220, - 0x324 => 220, - 0x325 => 220, - 0x326 => 220, - 0x329 => 220, - 0x32A => 220, - 0x32B => 220, - 0x32C => 220, - 0x32D => 220, - 0x32E => 220, - 0x32F => 220, - 0x330 => 220, - 0x331 => 220, - 0x332 => 220, - 0x333 => 220, - 0x339 => 220, - 0x33A => 220, - 0x33B => 220, - 0x33C => 220, - 0x347 => 220, - 0x348 => 220, - 0x349 => 220, - 0x34D => 220, - 0x34E => 220, - 0x353 => 220, - 0x354 => 220, - 0x355 => 220, - 0x356 => 220, - 0x591 => 220, - 0x596 => 220, - 0x59B => 220, - 0x5A3 => 220, - 0x5A4 => 220, - 0x5A5 => 220, - 0x5A6 => 220, - 0x5A7 => 220, - 0x5AA => 220, - 0x655 => 220, - 0x656 => 220, - 0x6E3 => 220, - 0x6EA => 220, - 0x6ED => 220, - 0x731 => 220, - 0x734 => 220, - 0x737 => 220, - 0x738 => 220, - 0x739 => 220, - 0x73B => 220, - 0x73C => 220, - 0x73E => 220, - 0x742 => 220, - 0x744 => 220, - 0x746 => 220, - 0x748 => 220, - 0x952 => 220, - 0xF18 => 220, - 0xF19 => 220, - 0xF35 => 220, - 0xF37 => 220, - 0xFC6 => 220, - 0x193B => 220, - 0x20E8 => 220, - 0x1D17B => 220, - 0x1D17C => 220, - 0x1D17D => 220, - 0x1D17E => 220, - 0x1D17F => 220, - 0x1D180 => 220, - 0x1D181 => 220, - 0x1D182 => 220, - 0x1D18A => 220, - 0x1D18B => 220, - 0x59A => 222, - 0x5AD => 222, - 0x1929 => 222, - 0x302D => 222, - 0x302E => 224, - 0x302F => 224, - 0x1D16D => 226, - 0x5AE => 228, - 0x18A9 => 228, - 0x302B => 228, - 0x300 => 230, - 0x301 => 230, - 0x302 => 230, - 0x303 => 230, - 0x304 => 230, - 0x305 => 230, - 0x306 => 230, - 0x307 => 230, - 0x308 => 230, - 0x309 => 230, - 0x30A => 230, - 0x30B => 230, - 0x30C => 230, - 0x30D => 230, - 0x30E => 230, - 0x30F => 230, - 0x310 => 230, - 0x311 => 230, - 0x312 => 230, - 0x313 => 230, - 0x314 => 230, - 0x33D => 230, - 0x33E => 230, - 0x33F => 230, - 0x340 => 230, - 0x341 => 230, - 0x342 => 230, - 0x343 => 230, - 0x344 => 230, - 0x346 => 230, - 0x34A => 230, - 0x34B => 230, - 0x34C => 230, - 0x350 => 230, - 0x351 => 230, - 0x352 => 230, - 0x357 => 230, - 0x363 => 230, - 0x364 => 230, - 0x365 => 230, - 0x366 => 230, - 0x367 => 230, - 0x368 => 230, - 0x369 => 230, - 0x36A => 230, - 0x36B => 230, - 0x36C => 230, - 0x36D => 230, - 0x36E => 230, - 0x36F => 230, - 0x483 => 230, - 0x484 => 230, - 0x485 => 230, - 0x486 => 230, - 0x592 => 230, - 0x593 => 230, - 0x594 => 230, - 0x595 => 230, - 0x597 => 230, - 0x598 => 230, - 0x599 => 230, - 0x59C => 230, - 0x59D => 230, - 0x59E => 230, - 0x59F => 230, - 0x5A0 => 230, - 0x5A1 => 230, - 0x5A8 => 230, - 0x5A9 => 230, - 0x5AB => 230, - 0x5AC => 230, - 0x5AF => 230, - 0x5C4 => 230, - 0x610 => 230, - 0x611 => 230, - 0x612 => 230, - 0x613 => 230, - 0x614 => 230, - 0x615 => 230, - 0x653 => 230, - 0x654 => 230, - 0x657 => 230, - 0x658 => 230, - 0x6D6 => 230, - 0x6D7 => 230, - 0x6D8 => 230, - 0x6D9 => 230, - 0x6DA => 230, - 0x6DB => 230, - 0x6DC => 230, - 0x6DF => 230, - 0x6E0 => 230, - 0x6E1 => 230, - 0x6E2 => 230, - 0x6E4 => 230, - 0x6E7 => 230, - 0x6E8 => 230, - 0x6EB => 230, - 0x6EC => 230, - 0x730 => 230, - 0x732 => 230, - 0x733 => 230, - 0x735 => 230, - 0x736 => 230, - 0x73A => 230, - 0x73D => 230, - 0x73F => 230, - 0x740 => 230, - 0x741 => 230, - 0x743 => 230, - 0x745 => 230, - 0x747 => 230, - 0x749 => 230, - 0x74A => 230, - 0x951 => 230, - 0x953 => 230, - 0x954 => 230, - 0xF82 => 230, - 0xF83 => 230, - 0xF86 => 230, - 0xF87 => 230, - 0x170D => 230, - 0x193A => 230, - 0x20D0 => 230, - 0x20D1 => 230, - 0x20D4 => 230, - 0x20D5 => 230, - 0x20D6 => 230, - 0x20D7 => 230, - 0x20DB => 230, - 0x20DC => 230, - 0x20E1 => 230, - 0x20E7 => 230, - 0x20E9 => 230, - 0xFE20 => 230, - 0xFE21 => 230, - 0xFE22 => 230, - 0xFE23 => 230, - 0x1D185 => 230, - 0x1D186 => 230, - 0x1D187 => 230, - 0x1D189 => 230, - 0x1D188 => 230, - 0x1D1AA => 230, - 0x1D1AB => 230, - 0x1D1AC => 230, - 0x1D1AD => 230, - 0x315 => 232, - 0x31A => 232, - 0x302C => 232, - 0x35F => 233, - 0x362 => 233, - 0x35D => 234, - 0x35E => 234, - 0x360 => 234, - 0x361 => 234, - 0x345 => 240 - ); - // }}} - - // {{{ properties - /** - * @var string - * @access private - */ - private $_punycode_prefix = 'xn--'; - - /** - * @access private - */ - private $_invalid_ucs = 0x80000000; - - /** - * @access private - */ - private $_max_ucs = 0x10FFFF; - - /** - * @var int - * @access private - */ - private $_base = 36; - - /** - * @var int - * @access private - */ - private $_tmin = 1; - - /** - * @var int - * @access private - */ - private $_tmax = 26; - - /** - * @var int - * @access private - */ - private $_skew = 38; - - /** - * @var int - * @access private - */ - private $_damp = 700; - - /** - * @var int - * @access private - */ - private $_initial_bias = 72; - - /** - * @var int - * @access private - */ - private $_initial_n = 0x80; - - /** - * @var int - * @access private - */ - private $_slast; - - /** - * @access private - */ - private $_sbase = 0xAC00; - - /** - * @access private - */ - private $_lbase = 0x1100; - - /** - * @access private - */ - private $_vbase = 0x1161; - - /** - * @access private - */ - private $_tbase = 0x11a7; - - /** - * @var int - * @access private - */ - private $_lcount = 19; - - /** - * @var int - * @access private - */ - private $_vcount = 21; - - /** - * @var int - * @access private - */ - private $_tcount = 28; - - /** - * vcount * tcount - * - * @var int - * @access private - */ - private $_ncount = 588; - - /** - * lcount * tcount * vcount - * - * @var int - * @access private - */ - private $_scount = 11172; - - /** - * Default encoding for encode()'s input and decode()'s output is UTF-8; - * Other possible encodings are ucs4_string and ucs4_array - * See {@link setParams()} for how to select these - * - * @var bool - * @access private - */ - private $_api_encoding = 'utf8'; - - /** - * Overlong UTF-8 encodings are forbidden - * - * @var bool - * @access private - */ - private $_allow_overlong = false; - - /** - * Behave strict or not - * - * @var bool - * @access private - */ - private $_strict_mode = false; - - /** - * IDNA-version to use - * - * Values are "2003" and "2008". - * Defaults to "2003", since that was the original version and for - * compatibility with previous versions of this library. - * If you need to encode "new" characters like the German "Eszett", - * please switch to 2008 first before encoding. - * - * @var bool - * @access private - */ - private $_version = '2003'; - - /** - * Cached value indicating whether or not mbstring function overloading is - * on for strlen - * - * This is cached for optimal performance. - * - * @var boolean - * @see Net_IDNA2::_byteLength() - */ - private static $_mb_string_overload = null; - // }}} - - - // {{{ constructor - /** - * Constructor - * - * @param array $options Options to initialise the object with - * - * @access public - * @see setParams() - */ - public function __construct($options = null) - { - $this->_slast = $this->_sbase + $this->_lcount * $this->_vcount * $this->_tcount; - - if (is_array($options)) { - $this->setParams($options); - } - - // populate mbstring overloading cache if not set - if (self::$_mb_string_overload === null) { - self::$_mb_string_overload = (extension_loaded('mbstring') - && (ini_get('mbstring.func_overload') & 0x02) === 0x02); - } - } - // }}} - - - /** - * Sets a new option value. Available options and values: - * - * [utf8 - Use either UTF-8 or ISO-8859-1 as input (true for UTF-8, false - * otherwise); The output is always UTF-8] - * [overlong - Unicode does not allow unnecessarily long encodings of chars, - * to allow this, set this parameter to true, else to false; - * default is false.] - * [strict - true: strict mode, good for registration purposes - Causes errors - * on failures; false: loose mode, ideal for "wildlife" applications - * by silently ignoring errors and returning the original input instead] - * - * @param mixed $option Parameter to set (string: single parameter; array of Parameter => Value pairs) - * @param string $value Value to use (if parameter 1 is a string) - * - * @return boolean true on success, false otherwise - * @access public - */ - public function setParams($option, $value = false) - { - if (!is_array($option)) { - $option = array($option => $value); - } - - foreach ($option as $k => $v) { - switch ($k) { - case 'encoding': - switch ($v) { - case 'utf8': - case 'ucs4_string': - case 'ucs4_array': - $this->_api_encoding = $v; - break; - - default: - throw new InvalidArgumentException('Set Parameter: Unknown parameter '.$v.' for option '.$k); - } - - break; - - case 'overlong': - $this->_allow_overlong = ($v) ? true : false; - break; - - case 'strict': - $this->_strict_mode = ($v) ? true : false; - break; - - case 'version': - if (in_array($v, array('2003', '2008'))) { - $this->_version = $v; - } else { - throw new InvalidArgumentException('Set Parameter: Invalid parameter '.$v.' for option '.$k); - } - break; - - default: - return false; - } - } - - return true; - } - - /** - * Encode a given UTF-8 domain name. - * - * @param string $decoded Domain name (UTF-8 or UCS-4) - * @param string $one_time_encoding Desired input encoding, see {@link set_parameter} - * If not given will use default-encoding - * - * @return string Encoded Domain name (ACE string) - * @return mixed processed string - * @throws Exception - * @access public - */ - public function encode($decoded, $one_time_encoding = false) - { - // Forcing conversion of input to UCS4 array - // If one time encoding is given, use this, else the objects property - switch (($one_time_encoding) ? $one_time_encoding : $this->_api_encoding) { - case 'utf8': - $decoded = $this->_utf8_to_ucs4($decoded); - break; - case 'ucs4_string': - $decoded = $this->_ucs4_string_to_ucs4($decoded); - case 'ucs4_array': // No break; before this line. Catch case, but do nothing - break; - default: - throw new InvalidArgumentException('Unsupported input format'); - } - - // No input, no output, what else did you expect? - if (empty($decoded)) return ''; - - // Anchors for iteration - $last_begin = 0; - // Output string - $output = ''; - - foreach ($decoded as $k => $v) { - // Make sure to use just the plain dot - switch($v) { - case 0x3002: - case 0xFF0E: - case 0xFF61: - $decoded[$k] = 0x2E; - // It's right, no break here - // The codepoints above have to be converted to dots anyway - - // Stumbling across an anchoring character - case 0x2E: - case 0x2F: - case 0x3A: - case 0x3F: - case 0x40: - // Neither email addresses nor URLs allowed in strict mode - if ($this->_strict_mode) { - throw new InvalidArgumentException('Neither email addresses nor URLs are allowed in strict mode.'); - } - // Skip first char - if ($k) { - $encoded = ''; - $encoded = $this->_encode(array_slice($decoded, $last_begin, (($k)-$last_begin))); - if ($encoded) { - $output .= $encoded; - } else { - $output .= $this->_ucs4_to_utf8(array_slice($decoded, $last_begin, (($k)-$last_begin))); - } - $output .= chr($decoded[$k]); - } - $last_begin = $k + 1; - } - } - // Catch the rest of the string - if ($last_begin) { - $inp_len = count($decoded); - $encoded = ''; - $encoded = $this->_encode(array_slice($decoded, $last_begin, (($inp_len)-$last_begin))); - if ($encoded) { - $output .= $encoded; - } else { - $output .= $this->_ucs4_to_utf8(array_slice($decoded, $last_begin, (($inp_len)-$last_begin))); - } - return $output; - } - - if ($output = $this->_encode($decoded)) { - return $output; - } - - return $this->_ucs4_to_utf8($decoded); - } - - /** - * Decode a given ACE domain name. - * - * @param string $input Domain name (ACE string) - * @param string $one_time_encoding Desired output encoding, see {@link set_parameter} - * - * @return string Decoded Domain name (UTF-8 or UCS-4) - * @throws Exception - * @access public - */ - public function decode($input, $one_time_encoding = false) - { - // Optionally set - if ($one_time_encoding) { - switch ($one_time_encoding) { - case 'utf8': - case 'ucs4_string': - case 'ucs4_array': - break; - default: - throw new InvalidArgumentException('Unknown encoding '.$one_time_encoding); - } - } - // Make sure to drop any newline characters around - $input = trim($input); - - // Negotiate input and try to determine, whether it is a plain string, - // an email address or something like a complete URL - if (strpos($input, '@')) { // Maybe it is an email address - // No no in strict mode - if ($this->_strict_mode) { - throw new InvalidArgumentException('Only simple domain name parts can be handled in strict mode'); - } - list($email_pref, $input) = explode('@', $input, 2); - $arr = explode('.', $input); - foreach ($arr as $k => $v) { - $conv = $this->_decode($v); - if ($conv) $arr[$k] = $conv; - } - $return = $email_pref . '@' . implode('.', $arr); - } elseif (preg_match('![:\./]!', $input)) { // Or a complete domain name (with or without paths / parameters) - // No no in strict mode - if ($this->_strict_mode) { - throw new InvalidArgumentException('Only simple domain name parts can be handled in strict mode'); - } - - $parsed = parse_url($input); - if (isset($parsed['host'])) { - $arr = explode('.', $parsed['host']); - foreach ($arr as $k => $v) { - $conv = $this->_decode($v); - if ($conv) $arr[$k] = $conv; - } - $parsed['host'] = implode('.', $arr); - if (isset($parsed['scheme'])) { - $parsed['scheme'] .= (strtolower($parsed['scheme']) == 'mailto') ? ':' : '://'; - } - $return = $this->_unparse_url($parsed); - } else { // parse_url seems to have failed, try without it - $arr = explode('.', $input); - foreach ($arr as $k => $v) { - $conv = $this->_decode($v); - if ($conv) $arr[$k] = $conv; - } - $return = implode('.', $arr); - } - } else { // Otherwise we consider it being a pure domain name string - $return = $this->_decode($input); - } - // The output is UTF-8 by default, other output formats need conversion here - // If one time encoding is given, use this, else the objects property - switch (($one_time_encoding) ? $one_time_encoding : $this->_api_encoding) { - case 'utf8': - return $return; - break; - case 'ucs4_string': - return $this->_ucs4_to_ucs4_string($this->_utf8_to_ucs4($return)); - break; - case 'ucs4_array': - return $this->_utf8_to_ucs4($return); - break; - default: - throw new InvalidArgumentException('Unsupported output format'); - } - } - - - // {{{ private - /** - * Opposite function to parse_url() - * - * Inspired by code from comments of php.net-documentation for parse_url() - * - * @param array $parts_arr parts (strings) as returned by parse_url() - * - * @return string - * @access private - */ - private function _unparse_url($parts_arr) - { - if (!empty($parts_arr['scheme'])) { - $ret_url = $parts_arr['scheme']; - } - if (!empty($parts_arr['user'])) { - $ret_url .= $parts_arr['user']; - if (!empty($parts_arr['pass'])) { - $ret_url .= ':' . $parts_arr['pass']; - } - $ret_url .= '@'; - } - $ret_url .= $parts_arr['host']; - if (!empty($parts_arr['port'])) { - $ret_url .= ':' . $parts_arr['port']; - } - $ret_url .= $parts_arr['path']; - if (!empty($parts_arr['query'])) { - $ret_url .= '?' . $parts_arr['query']; - } - if (!empty($parts_arr['fragment'])) { - $ret_url .= '#' . $parts_arr['fragment']; - } - return $ret_url; - } - - /** - * The actual encoding algorithm. - * - * @param string $decoded Decoded string which should be encoded - * - * @return string Encoded string - * @throws Exception - * @access private - */ - private function _encode($decoded) - { - // We cannot encode a domain name containing the Punycode prefix - $extract = self::_byteLength($this->_punycode_prefix); - $check_pref = $this->_utf8_to_ucs4($this->_punycode_prefix); - $check_deco = array_slice($decoded, 0, $extract); - - if ($check_pref == $check_deco) { - throw new InvalidArgumentException('This is already a punycode string'); - } - - // We will not try to encode strings consisting of basic code points only - $encodable = false; - foreach ($decoded as $k => $v) { - if ($v > 0x7a) { - $encodable = true; - break; - } - } - if (!$encodable) { - if ($this->_strict_mode) { - throw new InvalidArgumentException('The given string does not contain encodable chars'); - } - - return false; - } - - // Do NAMEPREP - $decoded = $this->_nameprep($decoded); - - $deco_len = count($decoded); - - // Empty array - if (!$deco_len) { - return false; - } - - // How many chars have been consumed - $codecount = 0; - - // Start with the prefix; copy it to output - $encoded = $this->_punycode_prefix; - - $encoded = ''; - // Copy all basic code points to output - for ($i = 0; $i < $deco_len; ++$i) { - $test = $decoded[$i]; - // Will match [0-9a-zA-Z-] - if ((0x2F < $test && $test < 0x40) - || (0x40 < $test && $test < 0x5B) - || (0x60 < $test && $test <= 0x7B) - || (0x2D == $test) - ) { - $encoded .= chr($decoded[$i]); - $codecount++; - } - } - - // All codepoints were basic ones - if ($codecount == $deco_len) { - return $encoded; - } - - // Start with the prefix; copy it to output - $encoded = $this->_punycode_prefix . $encoded; - - // If we have basic code points in output, add an hyphen to the end - if ($codecount) { - $encoded .= '-'; - } - - // Now find and encode all non-basic code points - $is_first = true; - $cur_code = $this->_initial_n; - $bias = $this->_initial_bias; - $delta = 0; - - while ($codecount < $deco_len) { - // Find the smallest code point >= the current code point and - // remember the last ouccrence of it in the input - for ($i = 0, $next_code = $this->_max_ucs; $i < $deco_len; $i++) { - if ($decoded[$i] >= $cur_code && $decoded[$i] <= $next_code) { - $next_code = $decoded[$i]; - } - } - - $delta += ($next_code - $cur_code) * ($codecount + 1); - $cur_code = $next_code; - - // Scan input again and encode all characters whose code point is $cur_code - for ($i = 0; $i < $deco_len; $i++) { - if ($decoded[$i] < $cur_code) { - $delta++; - } else if ($decoded[$i] == $cur_code) { - for ($q = $delta, $k = $this->_base; 1; $k += $this->_base) { - $t = ($k <= $bias)? - $this->_tmin : - (($k >= $bias + $this->_tmax)? $this->_tmax : $k - $bias); - - if ($q < $t) { - break; - } - - $encoded .= $this->_encodeDigit(ceil($t + (($q - $t) % ($this->_base - $t)))); - $q = ($q - $t) / ($this->_base - $t); - } - - $encoded .= $this->_encodeDigit($q); - $bias = $this->_adapt($delta, $codecount + 1, $is_first); - $codecount++; - $delta = 0; - $is_first = false; - } - } - - $delta++; - $cur_code++; - } - - return $encoded; - } - - /** - * The actual decoding algorithm. - * - * @param string $encoded Encoded string which should be decoded - * - * @return string Decoded string - * @throws Exception - * @access private - */ - private function _decode($encoded) - { - // We do need to find the Punycode prefix - if (!preg_match('!^' . preg_quote($this->_punycode_prefix, '!') . '!', $encoded)) { - return false; - } - - $encode_test = preg_replace('!^' . preg_quote($this->_punycode_prefix, '!') . '!', '', $encoded); - - // If nothing left after removing the prefix, it is hopeless - if (!$encode_test) { - return false; - } - - // Find last occurrence of the delimiter - $delim_pos = strrpos($encoded, '-'); - - if ($delim_pos > self::_byteLength($this->_punycode_prefix)) { - for ($k = self::_byteLength($this->_punycode_prefix); $k < $delim_pos; ++$k) { - $decoded[] = ord($encoded[$k]); - } - } else { - $decoded = array(); - } - - $deco_len = count($decoded); - $enco_len = self::_byteLength($encoded); - - // Wandering through the strings; init - $is_first = true; - $bias = $this->_initial_bias; - $idx = 0; - $char = $this->_initial_n; - - for ($enco_idx = ($delim_pos)? ($delim_pos + 1) : 0; $enco_idx < $enco_len; ++$deco_len) { - for ($old_idx = $idx, $w = 1, $k = $this->_base; 1 ; $k += $this->_base) { - $digit = $this->_decodeDigit($encoded[$enco_idx++]); - $idx += $digit * $w; - - $t = ($k <= $bias) ? - $this->_tmin : - (($k >= $bias + $this->_tmax)? $this->_tmax : ($k - $bias)); - - if ($digit < $t) { - break; - } - - $w = (int)($w * ($this->_base - $t)); - } - - $bias = $this->_adapt($idx - $old_idx, $deco_len + 1, $is_first); - $is_first = false; - $char += (int) ($idx / ($deco_len + 1)); - $idx %= ($deco_len + 1); - - if ($deco_len > 0) { - // Make room for the decoded char - for ($i = $deco_len; $i > $idx; $i--) { - $decoded[$i] = $decoded[($i - 1)]; - } - } - - $decoded[$idx++] = $char; - } - - return $this->_ucs4_to_utf8($decoded); - } - - /** - * Adapt the bias according to the current code point and position. - * - * @param int $delta ... - * @param int $npoints ... - * @param boolean $is_first ... - * - * @return int - * @access private - */ - private function _adapt($delta, $npoints, $is_first) - { - $delta = (int) ($is_first ? ($delta / $this->_damp) : ($delta / 2)); - $delta += (int) ($delta / $npoints); - - for ($k = 0; $delta > (($this->_base - $this->_tmin) * $this->_tmax) / 2; $k += $this->_base) { - $delta = (int) ($delta / ($this->_base - $this->_tmin)); - } - - return (int) ($k + ($this->_base - $this->_tmin + 1) * $delta / ($delta + $this->_skew)); - } - - /** - * Encoding a certain digit. - * - * @param int $d One digit to encode - * - * @return char Encoded digit - * @access private - */ - private function _encodeDigit($d) - { - return chr($d + 22 + 75 * ($d < 26)); - } - - /** - * Decode a certain digit. - * - * @param char $cp One digit (character) to decode - * - * @return int Decoded digit - * @access private - */ - private function _decodeDigit($cp) - { - $cp = ord($cp); - return ($cp - 48 < 10)? $cp - 22 : (($cp - 65 < 26)? $cp - 65 : (($cp - 97 < 26)? $cp - 97 : $this->_base)); - } - - /** - * Do Nameprep according to RFC3491 and RFC3454. - * - * @param array $input Unicode Characters - * - * @return string Unicode Characters, Nameprep'd - * @throws Exception - * @access private - */ - private function _nameprep($input) - { - $output = array(); - - // Walking through the input array, performing the required steps on each of - // the input chars and putting the result into the output array - // While mapping required chars we apply the canonical ordering - - foreach ($input as $v) { - // Map to nothing == skip that code point - if (in_array($v, self::$_np_map_nothing)) { - continue; - } - - // Try to find prohibited input - if (in_array($v, self::$_np_prohibit) || in_array($v, self::$_general_prohibited)) { - throw new Net_IDNA2_Exception_Nameprep('Prohibited input U+' . sprintf('%08X', $v)); - } - - foreach (self::$_np_prohibit_ranges as $range) { - if ($range[0] <= $v && $v <= $range[1]) { - throw new Net_IDNA2_Exception_Nameprep('Prohibited input U+' . sprintf('%08X', $v)); - } - } - - // Hangul syllable decomposition - if (0xAC00 <= $v && $v <= 0xD7AF) { - foreach ($this->_hangulDecompose($v) as $out) { - $output[] = $out; - } - } else if (($this->_version == '2003') && isset(self::$_np_replacemaps[$v])) { - // There's a decomposition mapping for that code point - // Decompositions only in version 2003 (original) of IDNA - foreach ($this->_applyCannonicalOrdering(self::$_np_replacemaps[$v]) as $out) { - $output[] = $out; - } - } else { - $output[] = $v; - } - } - - // Combine code points - - $last_class = 0; - $last_starter = 0; - $out_len = count($output); - - for ($i = 0; $i < $out_len; ++$i) { - $class = $this->_getCombiningClass($output[$i]); - - if ((!$last_class || $last_class != $class) && $class) { - // Try to match - $seq_len = $i - $last_starter; - $out = $this->_combine(array_slice($output, $last_starter, $seq_len)); - - // On match: Replace the last starter with the composed character and remove - // the now redundant non-starter(s) - if ($out) { - $output[$last_starter] = $out; - - if (count($out) != $seq_len) { - for ($j = $i + 1; $j < $out_len; ++$j) { - $output[$j - 1] = $output[$j]; - } - - unset($output[$out_len]); - } - - // Rewind the for loop by one, since there can be more possible compositions - $i--; - $out_len--; - $last_class = ($i == $last_starter)? 0 : $this->_getCombiningClass($output[$i - 1]); - - continue; - } - } - - // The current class is 0 - if (!$class) { - $last_starter = $i; - } - - $last_class = $class; - } - - return $output; - } - - /** - * Decomposes a Hangul syllable - * (see http://www.unicode.org/unicode/reports/tr15/#Hangul). - * - * @param integer $char 32bit UCS4 code point - * - * @return array Either Hangul Syllable decomposed or original 32bit - * value as one value array - * @access private - */ - private function _hangulDecompose($char) - { - $sindex = $char - $this->_sbase; - - if ($sindex < 0 || $sindex >= $this->_scount) { - return array($char); - } - - $result = array(); - $T = $this->_tbase + $sindex % $this->_tcount; - $result[] = (int)($this->_lbase + $sindex / $this->_ncount); - $result[] = (int)($this->_vbase + ($sindex % $this->_ncount) / $this->_tcount); - - if ($T != $this->_tbase) { - $result[] = $T; - } - - return $result; - } - - /** - * Ccomposes a Hangul syllable - * (see http://www.unicode.org/unicode/reports/tr15/#Hangul). - * - * @param array $input Decomposed UCS4 sequence - * - * @return array UCS4 sequence with syllables composed - * @access private - */ - private function _hangulCompose($input) - { - $inp_len = count($input); - - if (!$inp_len) { - return array(); - } - - $result = array(); - $last = $input[0]; - $result[] = $last; // copy first char from input to output - - for ($i = 1; $i < $inp_len; ++$i) { - $char = $input[$i]; - - // Find out, wether two current characters from L and V - $lindex = $last - $this->_lbase; - - if (0 <= $lindex && $lindex < $this->_lcount) { - $vindex = $char - $this->_vbase; - - if (0 <= $vindex && $vindex < $this->_vcount) { - // create syllable of form LV - $last = ($this->_sbase + ($lindex * $this->_vcount + $vindex) * $this->_tcount); - $out_off = count($result) - 1; - $result[$out_off] = $last; // reset last - - // discard char - continue; - } - } - - // Find out, wether two current characters are LV and T - $sindex = $last - $this->_sbase; - - if (0 <= $sindex && $sindex < $this->_scount && ($sindex % $this->_tcount) == 0) { - $tindex = $char - $this->_tbase; - - if (0 <= $tindex && $tindex <= $this->_tcount) { - // create syllable of form LVT - $last += $tindex; - $out_off = count($result) - 1; - $result[$out_off] = $last; // reset last - - // discard char - continue; - } - } - - // if neither case was true, just add the character - $last = $char; - $result[] = $char; - } - - return $result; - } - - /** - * Returns the combining class of a certain wide char. - * - * @param integer $char Wide char to check (32bit integer) - * - * @return integer Combining class if found, else 0 - * @access private - */ - private function _getCombiningClass($char) - { - return isset(self::$_np_norm_combcls[$char])? self::$_np_norm_combcls[$char] : 0; - } - - /** - * Apllies the canonical ordering of a decomposed UCS4 sequence. - * - * @param array $input Decomposed UCS4 sequence - * - * @return array Ordered USC4 sequence - * @access private - */ - private function _applyCannonicalOrdering($input) - { - $swap = true; - $size = count($input); - - while ($swap) { - $swap = false; - $last = $this->_getCombiningClass($input[0]); - - for ($i = 0; $i < $size - 1; ++$i) { - $next = $this->_getCombiningClass($input[$i + 1]); - - if ($next != 0 && $last > $next) { - // Move item leftward until it fits - for ($j = $i + 1; $j > 0; --$j) { - if ($this->_getCombiningClass($input[$j - 1]) <= $next) { - break; - } - - $t = $input[$j]; - $input[$j] = $input[$j - 1]; - $input[$j - 1] = $t; - $swap = 1; - } - - // Reentering the loop looking at the old character again - $next = $last; - } - - $last = $next; - } - } - - return $input; - } - - /** - * Do composition of a sequence of starter and non-starter. - * - * @param array $input UCS4 Decomposed sequence - * - * @return array Ordered USC4 sequence - * @access private - */ - private function _combine($input) - { - $inp_len = count($input); - - // Is it a Hangul syllable? - if (1 != $inp_len) { - $hangul = $this->_hangulCompose($input); - - // This place is probably wrong - if (count($hangul) != $inp_len) { - return $hangul; - } - } - - foreach (self::$_np_replacemaps as $np_src => $np_target) { - if ($np_target[0] != $input[0]) { - continue; - } - - if (count($np_target) != $inp_len) { - continue; - } - - $hit = false; - - foreach ($input as $k2 => $v2) { - if ($v2 == $np_target[$k2]) { - $hit = true; - } else { - $hit = false; - break; - } - } - - if ($hit) { - return $np_src; - } - } - - return false; - } - - /** - * This converts an UTF-8 encoded string to its UCS-4 (array) representation - * By talking about UCS-4 we mean arrays of 32bit integers representing - * each of the "chars". This is due to PHP not being able to handle strings with - * bit depth different from 8. This applies to the reverse method _ucs4_to_utf8(), too. - * The following UTF-8 encodings are supported: - * - * bytes bits representation - * 1 7 0xxxxxxx - * 2 11 110xxxxx 10xxxxxx - * 3 16 1110xxxx 10xxxxxx 10xxxxxx - * 4 21 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx - * 5 26 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx - * 6 31 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx - * - * Each x represents a bit that can be used to store character data. - * - * @param string $input utf8-encoded string - * - * @return array ucs4-encoded array - * @throws Exception - * @access private - */ - private function _utf8_to_ucs4($input) - { - $output = array(); - $out_len = 0; - $inp_len = self::_byteLength($input, '8bit'); - $mode = 'next'; - $test = 'none'; - for ($k = 0; $k < $inp_len; ++$k) { - $v = ord($input[$k]); // Extract byte from input string - - if ($v < 128) { // We found an ASCII char - put into string as is - $output[$out_len] = $v; - ++$out_len; - if ('add' == $mode) { - throw new UnexpectedValueException('Conversion from UTF-8 to UCS-4 failed: malformed input at byte '.$k); - } - continue; - } - if ('next' == $mode) { // Try to find the next start byte; determine the width of the Unicode char - $start_byte = $v; - $mode = 'add'; - $test = 'range'; - if ($v >> 5 == 6) { // &110xxxxx 10xxxxx - $next_byte = 0; // Tells, how many times subsequent bitmasks must rotate 6bits to the left - $v = ($v - 192) << 6; - } elseif ($v >> 4 == 14) { // &1110xxxx 10xxxxxx 10xxxxxx - $next_byte = 1; - $v = ($v - 224) << 12; - } elseif ($v >> 3 == 30) { // &11110xxx 10xxxxxx 10xxxxxx 10xxxxxx - $next_byte = 2; - $v = ($v - 240) << 18; - } elseif ($v >> 2 == 62) { // &111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx - $next_byte = 3; - $v = ($v - 248) << 24; - } elseif ($v >> 1 == 126) { // &1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx - $next_byte = 4; - $v = ($v - 252) << 30; - } else { - throw new UnexpectedValueException('This might be UTF-8, but I don\'t understand it at byte '.$k); - } - if ('add' == $mode) { - $output[$out_len] = (int) $v; - ++$out_len; - continue; - } - } - if ('add' == $mode) { - if (!$this->_allow_overlong && $test == 'range') { - $test = 'none'; - if (($v < 0xA0 && $start_byte == 0xE0) || ($v < 0x90 && $start_byte == 0xF0) || ($v > 0x8F && $start_byte == 0xF4)) { - throw new OutOfRangeException('Bogus UTF-8 character detected (out of legal range) at byte '.$k); - } - } - if ($v >> 6 == 2) { // Bit mask must be 10xxxxxx - $v = ($v - 128) << ($next_byte * 6); - $output[($out_len - 1)] += $v; - --$next_byte; - } else { - throw new UnexpectedValueException('Conversion from UTF-8 to UCS-4 failed: malformed input at byte '.$k); - } - if ($next_byte < 0) { - $mode = 'next'; - } - } - } // for - return $output; - } - - /** - * Convert UCS-4 array into UTF-8 string - * - * @param array $input ucs4-encoded array - * - * @return string utf8-encoded string - * @throws Exception - * @access private - */ - private function _ucs4_to_utf8($input) - { - $output = ''; - - foreach ($input as $v) { - // $v = ord($v); - - if ($v < 128) { - // 7bit are transferred literally - $output .= chr($v); - } else if ($v < 1 << 11) { - // 2 bytes - $output .= chr(192 + ($v >> 6)) - . chr(128 + ($v & 63)); - } else if ($v < 1 << 16) { - // 3 bytes - $output .= chr(224 + ($v >> 12)) - . chr(128 + (($v >> 6) & 63)) - . chr(128 + ($v & 63)); - } else if ($v < 1 << 21) { - // 4 bytes - $output .= chr(240 + ($v >> 18)) - . chr(128 + (($v >> 12) & 63)) - . chr(128 + (($v >> 6) & 63)) - . chr(128 + ($v & 63)); - } else if ($v < 1 << 26) { - // 5 bytes - $output .= chr(248 + ($v >> 24)) - . chr(128 + (($v >> 18) & 63)) - . chr(128 + (($v >> 12) & 63)) - . chr(128 + (($v >> 6) & 63)) - . chr(128 + ($v & 63)); - } else if ($v < 1 << 31) { - // 6 bytes - $output .= chr(252 + ($v >> 30)) - . chr(128 + (($v >> 24) & 63)) - . chr(128 + (($v >> 18) & 63)) - . chr(128 + (($v >> 12) & 63)) - . chr(128 + (($v >> 6) & 63)) - . chr(128 + ($v & 63)); - } else { - throw new UnexpectedValueException('Conversion from UCS-4 to UTF-8 failed: malformed input'); - } - } - - return $output; - } - - /** - * Convert UCS-4 array into UCS-4 string - * - * @param array $input ucs4-encoded array - * - * @return string ucs4-encoded string - * @throws Exception - * @access private - */ - private function _ucs4_to_ucs4_string($input) - { - $output = ''; - // Take array values and split output to 4 bytes per value - // The bit mask is 255, which reads &11111111 - foreach ($input as $v) { - $output .= ($v & (255 << 24) >> 24) . ($v & (255 << 16) >> 16) . ($v & (255 << 8) >> 8) . ($v & 255); - } - return $output; - } - - /** - * Convert UCS-4 string into UCS-4 array - * - * @param string $input ucs4-encoded string - * - * @return array ucs4-encoded array - * @throws InvalidArgumentException - * @access private - */ - private function _ucs4_string_to_ucs4($input) - { - $output = array(); - - $inp_len = self::_byteLength($input); - // Input length must be dividable by 4 - if ($inp_len % 4) { - throw new InvalidArgumentException('Input UCS4 string is broken'); - } - - // Empty input - return empty output - if (!$inp_len) { - return $output; - } - - for ($i = 0, $out_len = -1; $i < $inp_len; ++$i) { - // Increment output position every 4 input bytes - if (!$i % 4) { - $out_len++; - $output[$out_len] = 0; - } - $output[$out_len] += ord($input[$i]) << (8 * (3 - ($i % 4) ) ); - } - return $output; - } - - /** - * Echo hex representation of UCS4 sequence. - * - * @param array $input UCS4 sequence - * @param boolean $include_bit Include bitmask in output - * - * @return void - * @static - * @access private - */ - private static function _showHex($input, $include_bit = false) - { - foreach ($input as $k => $v) { - echo '[', $k, '] => ', sprintf('%X', $v); - - if ($include_bit) { - echo ' (', Net_IDNA2::_showBitmask($v), ')'; - } - - echo "\n"; - } - } - - /** - * Gives you a bit representation of given Byte (8 bits), Word (16 bits) or DWord (32 bits) - * Output width is automagically determined - * - * @param int $octet ... - * - * @return string Bitmask-representation - * @static - * @access private - */ - private static function _showBitmask($octet) - { - if ($octet >= (1 << 16)) { - $w = 31; - } else if ($octet >= (1 << 8)) { - $w = 15; - } else { - $w = 7; - } - - $return = ''; - - for ($i = $w; $i > -1; $i--) { - $return .= ($octet & (1 << $i))? '1' : '0'; - } - - return $return; - } - - /** - * Gets the length of a string in bytes even if mbstring function - * overloading is turned on - * - * @param string $string the string for which to get the length. - * - * @return integer the length of the string in bytes. - * - * @see Net_IDNA2::$_mb_string_overload - */ - private static function _byteLength($string) - { - if (self::$_mb_string_overload) { - return mb_strlen($string, '8bit'); - } - return strlen((binary)$string); - } - - // }}}} - - // {{{ factory - /** - * Attempts to return a concrete IDNA instance for either php4 or php5. - * - * @param array $params Set of paramaters - * - * @return Net_IDNA2 - * @access public - */ - public static function getInstance($params = array()) - { - return new Net_IDNA2($params); - } - // }}} - - // {{{ singleton - /** - * Attempts to return a concrete IDNA instance for either php4 or php5, - * only creating a new instance if no IDNA instance with the same - * parameters currently exists. - * - * @param array $params Set of parameters - * - * @return object Net_IDNA2 - * @access public - */ - public static function singleton($params = array()) - { - static $instances; - if (!isset($instances)) { - $instances = array(); - } - - $signature = serialize($params); - if (!isset($instances[$signature])) { - $instances[$signature] = Net_IDNA2::getInstance($params); - } - - return $instances[$signature]; - } - // }}} -} - -?> diff --git a/lib/Net/IDNA2/Exception.php b/lib/Net/IDNA2/Exception.php deleted file mode 100644 index 72cb1ae754c..00000000000 --- a/lib/Net/IDNA2/Exception.php +++ /dev/null @@ -1,4 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -use phpseclib\Crypt\Rijndael; -use phpseclib\Crypt\Twofish; -use phpseclib\Crypt\Blowfish; -use phpseclib\Crypt\TripleDES; -use phpseclib\Crypt\DES; -use phpseclib\Crypt\RC2; -use phpseclib\Crypt\RC4; -use phpseclib\Crypt\Random; -use phpseclib\Crypt\Base; - -if (!defined('MCRYPT_MODE_ECB')) { - /**#@+ - * mcrypt constants - * - * @access public - */ - // http://php.net/manual/en/mcrypt.constants.php - define('MCRYPT_MODE_ECB', 'ecb'); - define('MCRYPT_MODE_CBC', 'cbc'); - define('MCRYPT_MODE_CFB', 'cfb'); - define('MCRYPT_MODE_OFB', 'ofb'); - define('MCRYPT_MODE_NOFB', 'nofb'); - define('MCRYPT_MODE_STREAM', 'stream'); - - define('MCRYPT_ENCRYPT', 0); - define('MCRYPT_DECRYPT', 1); - define('MCRYPT_DEV_RANDOM', 0); - define('MCRYPT_DEV_URANDOM', 1); - define('MCRYPT_RAND', 2); - - // http://php.net/manual/en/mcrypt.ciphers.php - define('MCRYPT_3DES', 'tripledes'); - define('MCRYPT_ARCFOUR_IV', 'arcfour-iv'); - define('MCRYPT_ARCFOUR', 'arcfour'); - define('MCRYPT_BLOWFISH', 'blowfish'); - define('MCRYPT_CAST_128', 'cast-128'); - define('MCRYPT_CAST_256', 'cast-256'); - define('MCRYPT_CRYPT', 'crypt'); - define('MCRYPT_DES', 'des'); - // MCRYPT_DES_COMPAT? - // MCRYPT_ENIGMA? - define('MCRYPT_GOST', 'gost'); - define('MCRYPT_IDEA', 'idea'); - define('MCRYPT_LOKI97', 'loki97'); - define('MCRYPT_MARS', 'mars'); - define('MCRYPT_PANAMA', 'panama'); - define('MCRYPT_RIJNDAEL_128', 'rijndael-128'); - define('MCRYPT_RIJNDAEL_192', 'rijndael-192'); - define('MCRYPT_RIJNDAEL_256', 'rijndael-256'); - define('MCRYPT_RC2', 'rc2'); - // MCRYPT_RC4? - define('MCRYPT_RC6', 'rc6'); - // MCRYPT_RC6_128 - // MCRYPT_RC6_192 - // MCRYPT_RC6_256 - define('MCRYPT_SAFER64', 'safer-sk64'); - define('MCRYPT_SAFER128', 'safer-sk128'); - define('MCRYPT_SAFERPLUS', 'saferplus'); - define('MCRYPT_SERPENT', 'serpent'); - // MCRYPT_SERPENT_128? - // MCRYPT_SERPENT_192? - // MCRYPT_SERPENT_256? - define('MCRYPT_SKIPJACK', 'skipjack'); - // MCRYPT_TEAN? - define('MCRYPT_THREEWAY', 'threeway'); - define('MCRYPT_TRIPLEDES', 'tripledes'); - define('MCRYPT_TWOFISH', 'twofish'); - // MCRYPT_TWOFISH128? - // MCRYPT_TWOFISH192? - // MCRYPT_TWOFISH256? - define('MCRYPT_WAKE', 'wake'); - define('MCRYPT_XTEA', 'xtea'); - /**#@-*/ -} - -if (!function_exists('phpseclib_mcrypt_list_algorithms')) { - /** - * Sets the key - * - * @param \phpseclib\Crypt\Base $td - * @param string $key - * @access private - */ - function phpseclib_set_key(Base $td, $key) - { - $length = $origLength = strlen($key); - - $reflection = new \ReflectionClass($td); - - switch ($reflection->getShortName()) { - case 'TripleDES': - $length = 24; - break; - case 'DES': - $length = 8; - break; - case 'Twofish': - case 'Rijndael': - switch (true) { - case $length <= 16: - $length = 16; - break; - case $length <= 24: - $length = 24; - break; - default: - $length = 32; - } - break; - case 'Blowfish': - switch (true) { - case $length <= 3: - while (strlen($key) <= 5) { - $key.= $key; - } - $key = substr($key, 0, 6); - $td->setKey($key); - return; - case $length > 56: - $length = 56; - } - break; - case 'RC2': - if ($length > 56) { - $length = 56; - } - break; - case 'RC4': - if ($length > 256) { - $length = 256; - } - } - - if ($length != $origLength) { - $key = str_pad(substr($key, 0, $length), $length, "\0"); - } - - $td->setKey($key); - } - - /** - * Sets the IV - * - * @param \phpseclib\Crypt\Base $td - * @param string $iv - * @access private - */ - function phpseclib_set_iv(Base $td, $iv) - { - if (phpseclib_mcrypt_module_is_iv_mode($td->mcrypt_mode)) { - $length = $td->getBlockLength() >> 3; - $iv = str_pad(substr($iv, 0, $length), $length, "\0"); - $td->setIV($iv); - } - } - - /** - * Gets an array of all supported ciphers. - * - * @param string $lib_dir optional - * @return array - * @access public - */ - function phpseclib_mcrypt_list_algorithms($lib_dir = '') - { - return array( - 'rijndael-128', - 'twofish', - 'rijndael-192', - 'blowfish-compat', - 'des', - 'rijndael-256', - 'blowfish', - 'rc2', - 'tripledes', - 'arcfour' - ); - } - - /** - * Gets an array of all supported modes - * - * @param string $lib_dir optional - * @return array - * @access public - */ - function phpseclib_mcrypt_list_modes($lib_dir = '') - { - return array( - 'cbc', - 'cfb', - 'ctr', - 'ecb', - 'ncfb', - 'nofb', - //'ofb', - 'stream' - ); - } - - /** - * Creates an initialization vector (IV) from a random source - * - * The IV is only meant to give an alternative seed to the encryption routines. This IV does not need - * to be secret at all, though it can be desirable. You even can send it along with your ciphertext - * without losing security. - * - * @param int $size - * @param int $source optional - * @return string - * @access public - */ - function phpseclib_mcrypt_create_iv($size, $source = MCRYPT_DEV_URANDOM) - { - if ($size < 1 || $size > 0x7FFFFFFF) { - trigger_error('mcrypt_create_iv(): Cannot create an IV with a size of less than 1 or greater than 2147483647', E_USER_WARNING); - return ''; - } - return Random::string($size); - } - - /** - * Opens the module of the algorithm and the mode to be used - * - * This function opens the module of the algorithm and the mode to be used. The name of the algorithm - * is specified in algorithm, e.g. "twofish" or is one of the MCRYPT_ciphername constants. The module - * is closed by calling mcrypt_module_close(). - * - * @param string $algorithm - * @param string $algorithm_directory - * @param string $mode - * @param string $mode_directory - * @return object - * @access public - */ - function phpseclib_mcrypt_module_open($algorithm, $algorithm_directory, $mode, $mode_directory) - { - $modeMap = array( - 'ctr' => Base::MODE_CTR, - 'ecb' => Base::MODE_ECB, - 'cbc' => Base::MODE_CBC, - 'ncfb'=> Base::MODE_CFB, - 'nofb'=> Base::MODE_OFB, - 'stream' => Base::MODE_STREAM - ); - switch (true) { - case !isset($modeMap[$mode]): - case $mode == 'stream' && $algorithm != 'arcfour': - case $algorithm == 'arcfour' && $mode != 'stream': - trigger_error('mcrypt_module_open(): Could not open encryption module', E_USER_WARNING); - return false; - } - switch ($algorithm) { - case 'rijndael-128': - $cipher = new Rijndael($modeMap[$mode]); - $cipher->setBlockLength(128); - break; - case 'twofish': - $cipher = new Twofish($modeMap[$mode]); - break; - case 'rijndael-192': - $cipher = new Rijndael($modeMap[$mode]); - $cipher->setBlockLength(192); - break; - case 'des': - $cipher = new DES($modeMap[$mode]); - break; - case 'rijndael-256': - $cipher = new Rijndael($modeMap[$mode]); - $cipher->setBlockLength(256); - break; - case 'blowfish': - $cipher = new Blowfish($modeMap[$mode]); - break; - case 'rc2': - $cipher = new RC2($modeMap[$mode]); - break; - case'tripledes': - $cipher = new TripleDES($modeMap[$mode]); - break; - case 'arcfour': - $cipher = new RC4(); - break; - default: - trigger_error('mcrypt_module_open(): Could not open encryption module', E_USER_WARNING); - return false; - } - - $cipher->mcrypt_mode = $mode; - $cipher->disablePadding(); - - return $cipher; - } - - /** - * Returns the maximum supported keysize of the opened mode - * - * Gets the maximum supported key size of the algorithm in bytes. - * - * @param \phpseclib\Crypt\Base $td - * @return int - * @access public - */ - function phpseclib_mcrypt_enc_get_key_size(Base $td) - { - // invalid parameters with mcrypt result in warning's. type hinting, as this function is doing, - // produces a catchable fatal error. - - $reflection = new \ReflectionClass($td); - - switch ($reflection->getShortName()) { - case 'Rijndael': - case 'Twofish': - return 32; - case 'DES': - return 8; - case 'TripleDES': - return 24; - case 'RC4': - return 256; - case 'Blowfish': - return 56; - case 'RC2': - return 128; - } - } - - /** - * Gets the name of the specified cipher - * - * @param string $cipher - * @return mixed - * @access public - */ - function phpseclib_mcrypt_get_cipher_name($cipher) - { - switch ($cipher) { - case 'rijndael-128': - return 'Rijndael-128'; - case 'twofish': - return 'Twofish'; - case 'rijndael-192': - return 'Rijndael-192'; - case 'des': - return 'DES'; - case 'rijndael-256': - return 'Rijndael-256'; - case 'blowfish': - return 'Blowfish'; - case 'rc2': - return 'RC2'; - case 'tripledes': - return '3DES'; - case 'arcfour': - return 'RC4'; - default: - return false; - } - } - - /** - * Gets the block size of the specified cipher - * - * @param string $cipher - * @param string $mode optional - * @return int - * @access public - */ - function phpseclib_mcrypt_get_block_size($cipher, $mode = false) - { - if (!$mode) { - $mode = $cipher == 'rc4' ? 'stream' : 'cbc'; - } - $td = @phpseclib_mcrypt_module_open($cipher, '', $mode, ''); - if ($td === false) { - trigger_error('mcrypt_get_block_size(): Module initialization failed', E_USER_WARNING); - return false; - } - return phpseclib_mcrypt_enc_get_block_size($td); - } - - /** - * Gets the key size of the specified cipher - * - * @param string $cipher - * @param string $mode optional - * @return int - * @access public - */ - function phpseclib_mcrypt_get_key_size($cipher, $mode = false) - { - if (!$mode) { - $mode = $cipher == 'rc4' ? 'stream' : 'cbc'; - } - $td = @phpseclib_mcrypt_module_open($cipher, '', $mode, ''); - if ($td === false) { - trigger_error('mcrypt_get_key_size(): Module initialization failed', E_USER_WARNING); - return false; - } - return phpseclib_mcrypt_enc_get_key_size($td); - } - - /** - * Returns the size of the IV belonging to a specific cipher/mode combination - * - * @param string $cipher - * @param string $mode - * @return int - * @access public - */ - function phpseclib_mcrypt_get_iv_size($cipher, $mode) - { - $td = @phpseclib_mcrypt_module_open($cipher, '', $mode, ''); - if ($td === false) { - trigger_error('mcrypt_get_iv_size(): Module initialization failed', E_USER_WARNING); - return false; - } - return phpseclib_mcrypt_enc_get_iv_size($td); - } - - /** - * Returns the maximum supported keysize of the opened mode - * - * Gets the maximum supported keysize of the opened mode. - * - * @param string $algorithm - * @param string $lib_dir - * @return int - * @access public - */ - function phpseclib_mcrypt_module_get_algo_key_size($algorithm, $lib_dir = '') - { - $mode = $algorithm == 'rc4' ? 'stream' : 'cbc'; - $td = @phpseclib_mcrypt_module_open($algorithm, '', $mode, ''); - if ($td === false) { - trigger_error('mcrypt_module_get_algo_key_size(): Module initialization failed', E_USER_WARNING); - return false; - } - return phpseclib_mcrypt_enc_get_key_size($td); - } - - /** - * Returns the size of the IV of the opened algorithm - * - * This function returns the size of the IV of the algorithm specified by the encryption - * descriptor in bytes. An IV is used in cbc, cfb and ofb modes, and in some algorithms - * in stream mode. - * - * @param \phpseclib\Crypt\Base $td - * @return int - * @access public - */ - function phpseclib_mcrypt_enc_get_iv_size(Base $td) - { - return $td->getBlockLength() >> 3; - } - - /** - * Returns the blocksize of the opened algorithm - * - * Gets the blocksize of the opened algorithm. - * - * @param \phpseclib\Crypt\Base $td - * @return int - * @access public - */ - function phpseclib_mcrypt_enc_get_block_size(Base $td) - { - return $td->getBlockLength() >> 3; - } - - /** - * Returns the blocksize of the specified algorithm - * - * Gets the blocksize of the specified algorithm. - * - * @param string $algorithm - * @param string $lib_dir - * @return int - * @access public - */ - function phpseclib_mcrypt_module_get_algo_block_size($algorithm, $lib_dir = '') - { - // cbc isn't a valid mode for rc4 but that's ok: -1 will still be returned - $td = @phpseclib_mcrypt_module_open($algorithm, '', 'cbc', ''); - if ($td === false) { - return -1; - } - return $td->getBlockLength() >> 3; - } - - /** - * Returns the name of the opened algorithm - * - * This function returns the name of the algorithm. - * - * @param \phpseclib\Crypt\Base $td - * @return string|bool - * @access public - */ - function phpseclib_mcrypt_enc_get_algorithms_name(Base $td) - { - $reflection = new \ReflectionObject($td); - switch ($reflection->getShortName()) { - case 'Rijndael': - return 'RIJNDAEL-' . $td->getBlockLength(); - case 'Twofish': - return 'TWOFISH'; - case 'Blowfish': - return 'BLOWFISH'; // what about BLOWFISH-COMPAT? - case 'DES': - return 'DES'; - case 'RC2': - return 'RC2'; - case 'TripleDES': - return 'TRIPLEDES'; - case 'RC4': - return 'ARCFOUR'; - } - - return false; - } - - /** - * Returns the name of the opened mode - * - * This function returns the name of the mode. - * - * @param \phpseclib\Crypt\Base $td - * @return string|bool - * @access public - */ - function phpseclib_mcrypt_enc_get_modes_name(Base $td) - { - $modeMap = array( - Base::MODE_CTR => 'CTR', - Base::MODE_ECB => 'ECB', - Base::MODE_CBC => 'CBC', - Base::MODE_CFB => 'nCFB', - Base::MODE_OFB => 'nOFB', - Base::MODE_STREAM => 'STREAM' - ); - - return isset($modeMap[$td->mode]) ? $modeMap[$td->mode] : false; - } - - /** - * Checks whether the encryption of the opened mode works on blocks - * - * Tells whether the algorithm of the opened mode works on blocks (e.g. FALSE for stream, and TRUE for cbc, cfb, ofb).. - * - * @param \phpseclib\Crypt\Base $td - * @return bool - * @access public - */ - function phpseclib_mcrypt_enc_is_block_algorithm_mode(Base $td) - { - return $td->mode != Base::MODE_STREAM; - } - - /** - * Checks whether the algorithm of the opened mode is a block algorithm - * - * Tells whether the algorithm of the opened mode is a block algorithm. - * - * @param \phpseclib\Crypt\Base $td - * @return bool - * @access public - */ - function phpseclib_mcrypt_enc_is_block_algorithm(Base $td) - { - return phpseclib_mcrypt_enc_get_algorithms_name($td) != 'ARCFOUR'; - } - - /** - * Checks whether the opened mode outputs blocks - * - * Tells whether the opened mode outputs blocks (e.g. TRUE for cbc and ecb, and FALSE for cfb and stream). - * - * @param \phpseclib\Crypt\Base $td - * @return bool - * @access public - */ - function phpseclib_mcrypt_enc_is_block_mode(Base $td) - { - return $td->mode == Base::MODE_ECB || $td->mode == Base::MODE_CBC; - } - - /** - * Runs a self test on the opened module - * - * This function runs the self test on the algorithm specified by the descriptor td. - * - * @param \phpseclib\Crypt\Base $td - * @return bool - * @access public - */ - function phpseclib_mcrypt_enc_self_test(Base $td) - { - return true; - } - - /** - * This function initializes all buffers needed for en/decryption. - * - * @param \phpseclib\Crypt\Base $td - * @param string $key - * @param string $iv - * @return int - * @access public - */ - function phpseclib_mcrypt_generic_init(Base $td, $key, $iv) - { - $iv_size = phpseclib_mcrypt_enc_get_iv_size($td); - if (strlen($iv) != $iv_size && $td->mcrypt_mode != 'ecb') { - trigger_error('mcrypt_generic_init(): Iv size incorrect; supplied length: ' . strlen($iv) . ', needed: ' . $iv_size, E_USER_WARNING); - } - if (!strlen($key)) { - trigger_error('mcrypt_generic_init(): Key size is 0', E_USER_WARNING); - return -3; - } - $max_key_size = phpseclib_mcrypt_enc_get_key_size($td); - if (strlen($key) > $max_key_size) { - trigger_error('mcrypt_generic_init(): Key size too large; supplied length: ' . strlen($key) . ', max: ' . $max_key_size, E_USER_WARNING); - } - phpseclib_set_key($td, $key); - phpseclib_set_iv($td, $iv); - - $td->enableContinuousBuffer(); - $td->mcrypt_polyfill_init = true; - - return 0; - } - - /** - * Encrypt / decrypt data - * - * Performs checks common to both mcrypt_generic and mdecrypt_generic - * - * @param \phpseclib\Crypt\Base $td - * @param string $data - * @param string $op - * @return string|bool - * @access private - */ - function phpseclib_mcrypt_generic_helper(Base $td, &$data, $op) - { - // in the orig mcrypt, if mcrypt_generic_init() was called and an empty key was provided you'd get the following error: - // Warning: mcrypt_generic(): supplied resource is not a valid MCrypt resource - // that error doesn't really make a lot of sense in this context since $td is not a resource nor should it be one. - // in light of that we'll just display the same error that you get when you don't call mcrypt_generic_init() at all - if (!isset($td->mcrypt_polyfill_init)) { - trigger_error('m' . $op . '_generic(): Operation disallowed prior to mcrypt_generic_init().', E_USER_WARNING); - return false; - } - - // phpseclib does not currently provide a way to retrieve the mode once it has been set via "public" methods - if (phpseclib_mcrypt_module_is_block_mode($td->mcrypt_mode)) { - $block_length = phpseclib_mcrypt_enc_get_iv_size($td); - $extra = strlen($data) % $block_length; - if ($extra) { - $data.= str_repeat("\0", $block_length - $extra); - } - } - - return $op == 'crypt' ? $td->encrypt($data) : $td->decrypt($data); - } - - /** - * This function encrypts data - * - * This function encrypts data. The data is padded with "\0" to make sure the length of the data - * is n * blocksize. This function returns the encrypted data. Note that the length of the - * returned string can in fact be longer than the input, due to the padding of the data. - * - * If you want to store the encrypted data in a database make sure to store the entire string as - * returned by mcrypt_generic, or the string will not entirely decrypt properly. If your original - * string is 10 characters long and the block size is 8 (use mcrypt_enc_get_block_size() to - * determine the blocksize), you would need at least 16 characters in your database field. Note - * the string returned by mdecrypt_generic() will be 16 characters as well...use rtrim($str, "\0") - * to remove the padding. - * - * If you are for example storing the data in a MySQL database remember that varchar fields - * automatically have trailing spaces removed during insertion. As encrypted data can end in a - * space (ASCII 32), the data will be damaged by this removal. Store data in a tinyblob/tinytext - * (or larger) field instead. - * - * @param \phpseclib\Crypt\Base $td - * @param string $data - * @return string|bool - * @access public - */ - function phpseclib_mcrypt_generic(Base $td, $data) - { - return phpseclib_mcrypt_generic_helper($td, $data, 'crypt'); - } - - /** - * Decrypts data - * - * This function decrypts data. Note that the length of the returned string can in fact be - * longer than the unencrypted string, due to the padding of the data. - * - * @param \phpseclib\Crypt\Base $td - * @param string $data - * @return string|bool - * @access public - */ - function phpseclib_mdecrypt_generic(Base $td, $data) - { - return phpseclib_mcrypt_generic_helper($td, $data, 'decrypt'); - } - - /** - * This function deinitializes an encryption module - * - * This function terminates encryption specified by the encryption descriptor (td). - * It clears all buffers, but does not close the module. You need to call - * mcrypt_module_close() yourself. (But PHP does this for you at the end of the - * script.) - * - * @param \phpseclib\Crypt\Base $td - * @return bool - * @access public - */ - function phpseclib_mcrypt_generic_deinit(Base $td) - { - if (!isset($td->mcrypt_polyfill_init)) { - trigger_error('mcrypt_generic_deinit(): Could not terminate encryption specifier', E_USER_WARNING); - return false; - } - - $td->disableContinuousBuffer(); - unset($td->mcrypt_polyfill_init); - return true; - } - - /** - * Closes the mcrypt module - * - * Closes the specified encryption handle. - * - * @param \phpseclib\Crypt\Base $td - * @return bool - * @access public - */ - function phpseclib_mcrypt_module_close(Base $td) - { - //unset($td->mcrypt_polyfill_init); - return true; - } - - /** - * Returns an array with the supported keysizes of the opened algorithm - * - * Returns an array with the key sizes supported by the specified algorithm. - * If it returns an empty array then all key sizes between 1 and mcrypt_module_get_algo_key_size() - * are supported by the algorithm. - * - * @param string $algorithm - * @param string $lib_dir optional - * @return array - * @access public - */ - function phpseclib_mcrypt_module_get_supported_key_sizes($algorithm, $lib_dir = '') - { - switch ($algorithm) { - case 'rijndael-128': - case 'rijndael-192': - case 'rijndael-256': - case 'twofish': - return array(16, 24, 32); - case 'des': - return array(8); - case 'tripledes': - return array(24); - //case 'arcfour': - //case 'blowfish': - //case 'rc2': - default: - return array(); - } - } - - /** - * Returns an array with the supported keysizes of the opened algorithm - * - * Gets the supported key sizes of the opened algorithm. - * - * @param \phpseclib\Crypt\Base $td - * @return array - * @access public - */ - function phpseclib_mcrypt_enc_get_supported_key_sizes(Base $td) - { - $algorithm = strtolower(phpseclib_mcrypt_enc_get_algorithms_name($td)); - return phpseclib_mcrypt_module_get_supported_key_sizes($algorithm); - } - - /** - * Returns if the specified module is a block algorithm or not - * - * This function returns TRUE if the mode is for use with block algorithms, otherwise it returns FALSE. (e.g. FALSE for stream, and TRUE for cbc, cfb, ofb). - * - * @param string $mode - * @param string $lib_dir optional - * @return bool - * @access public - */ - function phpseclib_mcrypt_module_is_block_algorithm_mode($mode, $lib_dir = '') - { - switch ($mode) { - case 'cbc': - case 'ctr': - case 'ecb': - case 'cfb': - case 'ncfb': - case 'nofb': - return true; - } - return false; - } - - /** - * This function checks whether the specified algorithm is a block algorithm - * - * This function returns TRUE if the specified algorithm is a block algorithm, or FALSE if it is a stream one. - * - * @param string $mode - * @param string $lib_dir optional - * @return bool - * @access public - */ - function phpseclib_mcrypt_module_is_block_algorithm($algorithm, $lib_dir = '') - { - switch ($algorithm) { - case 'rijndael-128': - case 'twofish': - case 'rijndael-192': - case 'des': - case 'rijndael-256': - case 'blowfish': - case 'rc2': - case 'tripledes': - return true; - } - return false; - } - - /** - * Returns if the specified mode outputs blocks or not - * - * This function returns TRUE if the mode outputs blocks of bytes or FALSE if it outputs just bytes. (e.g. TRUE for cbc and ecb, and FALSE for cfb and stream). - * - * @param string $mode - * @param string $lib_dir optional - * @return bool - * @access public - */ - function phpseclib_mcrypt_module_is_block_mode($mode, $lib_dir = '') - { - switch ($mode) { - case 'cbc': - case 'ecb': - return true; - } - return false; - } - - /** - * Returns if the specified mode can use an IV or not - * - * @param string $mode - * @return bool - * @access private - */ - function phpseclib_mcrypt_module_is_iv_mode($mode) - { - switch ($mode) { - case 'ecb': - case 'stream': - return false; - } - return true; - } - - /** - * This function runs a self test on the specified module - * - * This function runs the self test on the algorithm specified. - * - * @param string $mode - * @param string $lib_dir optional - * @return bool - * @access public - */ - function phpseclib_mcrypt_module_self_test($algorithm, $lib_dir = '') - { - return in_array($algorithm, phpseclib_mcrypt_list_algorithms()); - } - - /** - * Encrypt / decrypt data - * - * Performs checks common to both mcrypt_encrypt and mcrypt_decrypt - * - * @param string $cipher - * @param string $key - * @param string $data - * @param string $mode - * @param string $iv - * @param string $op - * @return string|bool - * @access private - */ - function phpseclib_mcrypt_helper($cipher, $key, $data, $mode, $iv, $op) - { - // PHP 5.6 made mcrypt_encrypt() a lot less tolerant of bad input but it neglected to change - // anything about mcrypt_generic(). and despite the changes insufficiently long plaintext - // is still accepted. - $keyLen = strlen($key); - $sizes = phpseclib_mcrypt_module_get_supported_key_sizes($cipher); - if (count($sizes) && !in_array($keyLen, $sizes)) { - trigger_error( - 'mcrypt_' . $op . '(): Key of size ' . $keyLen . ' not supported by this algorithm. Only keys of sizes ' . - preg_replace('#, (\d+)$#', ' or $1', implode(', ', $sizes)) . ' supported', - E_USER_WARNING - ); - return false; - } - $td = @phpseclib_mcrypt_module_open($cipher, '', $mode, ''); - if ($td === false) { - trigger_error('mcrypt_encrypt(): Module initialization failed', E_USER_WARNING); - return false; - } - $maxKeySize = phpseclib_mcrypt_enc_get_key_size($td); - if (!count($sizes) && $keyLen > $maxKeySize) { - trigger_error( - 'mcrypt_' . $op . '(): Key of size ' . $keyLen . ' not supported by this algorithm. Only keys of size 1 to ' . $maxKeySize . ' supported', - E_USER_WARNING - ); - return false; - } - if (phpseclib_mcrypt_module_is_iv_mode($mode)) { - $iv_size = phpseclib_mcrypt_enc_get_iv_size($td); - if (!isset($iv) && $iv_size) { - trigger_error( - 'mcrypt_' . $op . '(): Encryption mode requires an initialization vector of size ' . $iv_size, - E_USER_WARNING - ); - return false; - } - if (strlen($iv) != $iv_size) { - trigger_error( - 'mcrypt_' . $op . '(): Received initialization vector of size ' . strlen($iv) . ', but size ' . $iv_size . ' is required for this encryption mode', - E_USER_WARNING - ); - return false; - } - } else { - $iv = null; - } - phpseclib_mcrypt_generic_init($td, $key, $iv); - return $op == 'encrypt' ? phpseclib_mcrypt_generic($td, $data) : phpseclib_mdecrypt_generic($td, $data); - } - - /** - * Encrypts plaintext with given parameters - * - * Encrypts the data and returns it. - * - * @param string $cipher - * @param string $key - * @param string $data - * @param string $mode - * @param string $iv optional - * @return string|bool - * @access public - */ - function phpseclib_mcrypt_encrypt($cipher, $key, $data, $mode, $iv = null) - { - return phpseclib_mcrypt_helper($cipher, $key, $data, $mode, $iv, 'encrypt'); - } - - /** - * Decrypts crypttext with given parameters - * - * Decrypts the data and returns the unencrypted data. - * - * @param string $cipher - * @param string $key - * @param string $data - * @param string $mode - * @param string $iv optional - * @return string|bool - * @access public - */ - function phpseclib_mcrypt_decrypt($cipher, $key, $data, $mode, $iv = null) - { - return phpseclib_mcrypt_helper($cipher, $key, $data, $mode, $iv, 'decrypt'); - } - - /** - * mcrypt_compat stream filter - * - * @author Jim Wigginton - * @access public - */ - class phpseclib_mcrypt_filter extends php_user_filter - { - /** - * The Cipher Object - * - * @var object - * @access private - */ - private $cipher; - - /** - * To encrypt or decrypt - * - * @var boolean - * @access private - */ - private $op; - - /** - * Buffer for ECB / CBC - * - * @var string - * @access private - */ - private $buffer = ''; - - /** - * Cipher block length - * - * @var int - * @access private - */ - private $block_length = ''; - - /** - * Called when applying the filter - * - * This method is called whenever data is read from or written to the attached stream - * (such as with fread() or fwrite()). - * - * @param resource $in - * @param resource $out - * @param int $consumed - * @param bool $closing - * @link http://php.net/manual/en/php-user-filter.filter.php - * @return int - * @access public - */ - #[\ReturnTypeWillChange] - public function filter($in, $out, &$consumed, $closing) - { - $newlen = 0; - $block_mode = phpseclib_mcrypt_module_is_block_mode($this->cipher->mcrypt_mode); - while ($bucket = stream_bucket_make_writeable($in)) { - if ($block_mode) { - $bucket->data = $this->buffer . $bucket->data; - $extra = strlen($bucket->data) % $this->block_length; - if ($extra) { - $this->buffer = substr($bucket->data, -$extra); - $bucket->data = substr($bucket->data, 0, -$extra); - } - } - - $bucket->data = $this->op ? - $this->cipher->encrypt($bucket->data) : - $this->cipher->decrypt($bucket->data); - $newlen+= strlen($bucket->data); - $consumed+= $bucket->datalen; - - stream_bucket_append($out, $bucket); - } - - return $block_mode && $newlen < $this->block_length ? PSFS_FEED_ME : PSFS_PASS_ON; - } - - /** - * Called when creating the filter - * - * This method is called during instantiation of the filter class object. - * If your filter allocates or initializes any other resources (such as a buffer), - * this is the place to do it. - * - * @link http://php.net/manual/en/php-user-filter.oncreate.php - * @return bool - * @access public - */ - #[\ReturnTypeWillChange] - public function onCreate() - { - if (!isset($this->params) || !is_array($this->params)) { - trigger_error('stream_filter_append(): Filter parameters for ' . $this->filtername . ' must be an array'); - return false; - } - if (!isset($this->params['iv']) || !is_string($this->params['iv'])) { - trigger_error('stream_filter_append(): Filter parameter[iv] not provided or not of type: string'); - return false; - } - if (!isset($this->params['key']) || !is_string($this->params['key'])) { - trigger_error('stream_filter_append(): key not specified or is not a string'); - return false; - } - $filtername = substr($this->filtername, 0, 10) == 'phpseclib.' ? - substr($this->filtername, 10) : - $this->filtername; - $parts = explode('.', $filtername); - if (count($parts) != 2) { - trigger_error('stream_filter_append(): Could not open encryption module'); - return false; - } - switch ($parts[0]) { - case 'mcrypt': - case 'mdecrypt': - break; - default: - trigger_error('stream_filter_append(): Could not open encryption module'); - return false; - } - $mode = isset($this->params['mode']) ? $this->params['mode'] : 'cbc'; - $cipher = @phpseclib_mcrypt_module_open($parts[1], '', $mode, ''); - if ($cipher === false) { - trigger_error('stream_filter_append(): Could not open encryption module'); - return false; - } - - $cipher->enableContinuousBuffer(); - phpseclib_set_key($cipher, $this->params['key']); - phpseclib_set_iv($cipher, $this->params['iv']); - - $this->op = $parts[0] == 'mcrypt'; - $this->cipher = $cipher; - $this->block_length = phpseclib_mcrypt_enc_get_iv_size($cipher); - - return true; - } - } - - stream_filter_register('phpseclib.mcrypt.*', 'phpseclib_mcrypt_filter'); - stream_filter_register('phpseclib.mdecrypt.*', 'phpseclib_mcrypt_filter'); -} - -// define -if (!function_exists('mcrypt_list_algorithms')) { - function mcrypt_list_algorithms($lib_dir = '') - { - return phpseclib_mcrypt_list_algorithms($lib_dir); - } - - function mcrypt_list_modes($lib_dir = '') - { - return phpseclib_mcrypt_list_modes($lib_dir); - } - - function mcrypt_create_iv($size, $source = MCRYPT_DEV_URANDOM) - { - return phpseclib_mcrypt_create_iv($size, $source); - } - - function mcrypt_module_open($algorithm, $algorithm_directory, $mode, $mode_directory) - { - return phpseclib_mcrypt_module_open($algorithm, $algorithm_directory, $mode, $mode_directory); - } - - function mcrypt_enc_get_key_size(Base $td) - { - return phpseclib_mcrypt_enc_get_key_size($td); - } - - function mcrypt_enc_get_iv_size(Base $td) - { - return phpseclib_mcrypt_enc_get_iv_size($td); - } - - function mcrypt_enc_get_block_size(Base $td) - { - return phpseclib_mcrypt_enc_get_block_size($td); - } - - function mcrypt_generic_init(Base $td, $key, $iv) - { - return phpseclib_mcrypt_generic_init($td, $key, $iv); - } - - function mcrypt_generic(Base $td, $data) - { - return phpseclib_mcrypt_generic($td, $data); - } - - function mcrypt_generic_deinit(Base $td) - { - return phpseclib_mcrypt_generic_deinit($td); - } - - function mcrypt_module_close(Base $td) - { - return phpseclib_mcrypt_module_close($td); - } - - function mdecrypt_generic(Base $td, $data) - { - return phpseclib_mdecrypt_generic($td, $data); - } - - function mcrypt_enc_get_algorithms_name(Base $td) - { - return phpseclib_mcrypt_enc_get_algorithms_name($td); - } - - function mcrypt_enc_get_modes_name(Base $td) - { - return phpseclib_mcrypt_enc_get_modes_name($td); - } - - function mcrypt_enc_is_block_algorithm_mode(Base $td) - { - return phpseclib_mcrypt_enc_is_block_algorithm_mode($td); - } - - function mcrypt_enc_is_block_algorithm(Base $td) - { - return phpseclib_mcrypt_enc_is_block_algorithm($td); - } - - function mcrypt_enc_self_test(Base $td) - { - return phpseclib_mcrypt_enc_self_test($td); - } - - function mcrypt_module_get_supported_key_sizes($algorithm, $lib_dir = '') - { - return phpseclib_mcrypt_module_get_supported_key_sizes($algorithm, $lib_dir); - } - - function mcrypt_encrypt($cipher, $key, $data, $mode, $iv = null) - { - return phpseclib_mcrypt_encrypt($cipher, $key, $data, $mode, $iv); - } - - function mcrypt_module_get_algo_block_size($algorithm, $lib_dir = '') - { - return phpseclib_mcrypt_module_get_algo_block_size($algorithm, $lib_dir); - } - - function mcrypt_get_block_size($cipher, $mode = '') - { - return phpseclib_mcrypt_get_block_size($cipher, $mode); - } - - function mcrypt_get_cipher_name($cipher) - { - return phpseclib_mcrypt_get_cipher_name($cipher); - } - - function mcrypt_get_key_size($cipher, $mode = false) - { - return phpseclib_mcrypt_get_key_size($cipher, $mode); - } - - function mcrypt_get_iv_size($cipher, $mode) - { - return phpseclib_mcrypt_get_iv_size($cipher, $mode); - } - - function mcrypt_module_get_algo_key_size($algorithm, $lib_dir = '') - { - return phpseclib_mcrypt_module_get_algo_key_size($algorithm, $lib_dir); - } - - function mcrypt_enc_get_supported_key_sizes(Base $td) - { - return phpseclib_mcrypt_enc_get_supported_key_sizes($td); - } - - function mcrypt_module_is_block_algorithm_mode($mode, $lib_dir = '') - { - return phpseclib_mcrypt_module_is_block_algorithm_mode($mode, $lib_dir); - } - - function mcrypt_module_is_block_algorithm($algorithm, $lib_dir= '') - { - return phpseclib_mcrypt_module_is_block_algorithm($algorithm, $lib_dir); - } - - function mcrypt_module_is_block_mode($mode, $lib_dir = '') - { - return phpseclib_mcrypt_module_is_block_mode($mode, $lib_dir); - } - - function mcrypt_module_self_test($algorithm, $lib_dir = '') - { - return phpseclib_mcrypt_module_self_test($algorithm, $lib_dir); - } - - function mcrypt_decrypt($cipher, $key, $data, $mode, $iv = null) - { - return phpseclib_mcrypt_decrypt($cipher, $key, $data, $mode, $iv); - } - - //if (!in_array('mcrypt.*', stream_get_filters()) { - stream_filter_register('mcrypt.*', 'phpseclib_mcrypt_filter'); - stream_filter_register('mdecrypt.*', 'phpseclib_mcrypt_filter'); - //} -} diff --git a/lib/phpseclib/Crypt/AES.php b/lib/phpseclib/Crypt/AES.php deleted file mode 100644 index 7d8cb8b0341..00000000000 --- a/lib/phpseclib/Crypt/AES.php +++ /dev/null @@ -1,126 +0,0 @@ - - * setKey('abcdefghijklmnop'); - * - * $size = 10 * 1024; - * $plaintext = ''; - * for ($i = 0; $i < $size; $i++) { - * $plaintext.= 'a'; - * } - * - * echo $aes->decrypt($aes->encrypt($plaintext)); - * ?> - * - * - * @category Crypt - * @package AES - * @author Jim Wigginton - * @copyright 2008 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -/** - * Pure-PHP implementation of AES. - * - * @package AES - * @author Jim Wigginton - * @access public - */ -class AES extends Rijndael -{ - /** - * Dummy function - * - * Since \phpseclib\Crypt\AES extends \phpseclib\Crypt\Rijndael, this function is, technically, available, but it doesn't do anything. - * - * @see \phpseclib\Crypt\Rijndael::setBlockLength() - * @access public - * @param int $length - */ - function setBlockLength($length) - { - return; - } - - /** - * Sets the key length - * - * Valid key lengths are 128, 192, and 256. If the length is less than 128, it will be rounded up to - * 128. If the length is greater than 128 and invalid, it will be rounded down to the closest valid amount. - * - * @see \phpseclib\Crypt\Rijndael:setKeyLength() - * @access public - * @param int $length - */ - function setKeyLength($length) - { - switch ($length) { - case 160: - $length = 192; - break; - case 224: - $length = 256; - } - parent::setKeyLength($length); - } - - /** - * Sets the key. - * - * Rijndael supports five different key lengths, AES only supports three. - * - * @see \phpseclib\Crypt\Rijndael:setKey() - * @see setKeyLength() - * @access public - * @param string $key - */ - function setKey($key) - { - parent::setKey($key); - - if (!$this->explicit_key_length) { - $length = strlen($key); - switch (true) { - case $length <= 16: - $this->key_length = 16; - break; - case $length <= 24: - $this->key_length = 24; - break; - default: - $this->key_length = 32; - } - $this->_setEngine(); - } - } -} diff --git a/lib/phpseclib/Crypt/Base.php b/lib/phpseclib/Crypt/Base.php deleted file mode 100644 index 7c9032f0d82..00000000000 --- a/lib/phpseclib/Crypt/Base.php +++ /dev/null @@ -1,2708 +0,0 @@ - - * @author Hans-Juergen Petrich - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -/** - * Base Class for all \phpseclib\Crypt\* cipher classes - * - * @package Base - * @author Jim Wigginton - * @author Hans-Juergen Petrich - */ -abstract class Base -{ - /**#@+ - * @access public - * @see \phpseclib\Crypt\Base::encrypt() - * @see \phpseclib\Crypt\Base::decrypt() - */ - /** - * Encrypt / decrypt using the Counter mode. - * - * Set to -1 since that's what Crypt/Random.php uses to index the CTR mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Counter_.28CTR.29 - */ - const MODE_CTR = -1; - /** - * Encrypt / decrypt using the Electronic Code Book mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29 - */ - const MODE_ECB = 1; - /** - * Encrypt / decrypt using the Code Book Chaining mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29 - */ - const MODE_CBC = 2; - /** - * Encrypt / decrypt using the Cipher Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29 - */ - const MODE_CFB = 3; - /** - * Encrypt / decrypt using the Cipher Feedback mode (8bit) - */ - const MODE_CFB8 = 38; - /** - * Encrypt / decrypt using the Output Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29 - */ - const MODE_OFB = 4; - /** - * Encrypt / decrypt using streaming mode. - */ - const MODE_STREAM = 5; - /**#@-*/ - - /** - * Whirlpool available flag - * - * @see \phpseclib\Crypt\Base::_hashInlineCryptFunction() - * @var bool - * @access private - */ - static $WHIRLPOOL_AVAILABLE; - - /**#@+ - * @access private - * @see \phpseclib\Crypt\Base::__construct() - */ - /** - * Base value for the internal implementation $engine switch - */ - const ENGINE_INTERNAL = 1; - /** - * Base value for the mcrypt implementation $engine switch - */ - const ENGINE_MCRYPT = 2; - /** - * Base value for the mcrypt implementation $engine switch - */ - const ENGINE_OPENSSL = 3; - /**#@-*/ - - /** - * The Encryption Mode - * - * @see self::__construct() - * @var int - * @access private - */ - var $mode; - - /** - * The Block Length of the block cipher - * - * @var int - * @access private - */ - var $block_size = 16; - - /** - * The Key - * - * @see self::setKey() - * @var string - * @access private - */ - var $key = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"; - - /** - * The Initialization Vector - * - * @see self::setIV() - * @var string - * @access private - */ - var $iv; - - /** - * A "sliding" Initialization Vector - * - * @see self::enableContinuousBuffer() - * @see self::_clearBuffers() - * @var string - * @access private - */ - var $encryptIV; - - /** - * A "sliding" Initialization Vector - * - * @see self::enableContinuousBuffer() - * @see self::_clearBuffers() - * @var string - * @access private - */ - var $decryptIV; - - /** - * Continuous Buffer status - * - * @see self::enableContinuousBuffer() - * @var bool - * @access private - */ - var $continuousBuffer = false; - - /** - * Encryption buffer for CTR, OFB and CFB modes - * - * @see self::encrypt() - * @see self::_clearBuffers() - * @var array - * @access private - */ - var $enbuffer; - - /** - * Decryption buffer for CTR, OFB and CFB modes - * - * @see self::decrypt() - * @see self::_clearBuffers() - * @var array - * @access private - */ - var $debuffer; - - /** - * mcrypt resource for encryption - * - * The mcrypt resource can be recreated every time something needs to be created or it can be created just once. - * Since mcrypt operates in continuous mode, by default, it'll need to be recreated when in non-continuous mode. - * - * @see self::encrypt() - * @var resource - * @access private - */ - var $enmcrypt; - - /** - * mcrypt resource for decryption - * - * The mcrypt resource can be recreated every time something needs to be created or it can be created just once. - * Since mcrypt operates in continuous mode, by default, it'll need to be recreated when in non-continuous mode. - * - * @see self::decrypt() - * @var resource - * @access private - */ - var $demcrypt; - - /** - * Does the enmcrypt resource need to be (re)initialized? - * - * @see \phpseclib\Crypt\Twofish::setKey() - * @see \phpseclib\Crypt\Twofish::setIV() - * @var bool - * @access private - */ - var $enchanged = true; - - /** - * Does the demcrypt resource need to be (re)initialized? - * - * @see \phpseclib\Crypt\Twofish::setKey() - * @see \phpseclib\Crypt\Twofish::setIV() - * @var bool - * @access private - */ - var $dechanged = true; - - /** - * mcrypt resource for CFB mode - * - * mcrypt's CFB mode, in (and only in) buffered context, - * is broken, so phpseclib implements the CFB mode by it self, - * even when the mcrypt php extension is available. - * - * In order to do the CFB-mode work (fast) phpseclib - * use a separate ECB-mode mcrypt resource. - * - * @link http://phpseclib.sourceforge.net/cfb-demo.phps - * @see self::encrypt() - * @see self::decrypt() - * @see self::_setupMcrypt() - * @var resource - * @access private - */ - var $ecb; - - /** - * Optimizing value while CFB-encrypting - * - * Only relevant if $continuousBuffer enabled - * and $engine == self::ENGINE_MCRYPT - * - * It's faster to re-init $enmcrypt if - * $buffer bytes > $cfb_init_len than - * using the $ecb resource furthermore. - * - * This value depends of the chosen cipher - * and the time it would be needed for it's - * initialization [by mcrypt_generic_init()] - * which, typically, depends on the complexity - * on its internaly Key-expanding algorithm. - * - * @see self::encrypt() - * @var int - * @access private - */ - var $cfb_init_len = 600; - - /** - * Does internal cipher state need to be (re)initialized? - * - * @see self::setKey() - * @see self::setIV() - * @see self::disableContinuousBuffer() - * @var bool - * @access private - */ - var $changed = true; - - /** - * Padding status - * - * @see self::enablePadding() - * @var bool - * @access private - */ - var $padding = true; - - /** - * Is the mode one that is paddable? - * - * @see self::__construct() - * @var bool - * @access private - */ - var $paddable = false; - - /** - * Holds which crypt engine internaly should be use, - * which will be determined automatically on __construct() - * - * Currently available $engines are: - * - self::ENGINE_OPENSSL (very fast, php-extension: openssl, extension_loaded('openssl') required) - * - self::ENGINE_MCRYPT (fast, php-extension: mcrypt, extension_loaded('mcrypt') required) - * - self::ENGINE_INTERNAL (slower, pure php-engine, no php-extension required) - * - * @see self::_setEngine() - * @see self::encrypt() - * @see self::decrypt() - * @var int - * @access private - */ - var $engine; - - /** - * Holds the preferred crypt engine - * - * @see self::_setEngine() - * @see self::setPreferredEngine() - * @var int - * @access private - */ - var $preferredEngine; - - /** - * The mcrypt specific name of the cipher - * - * Only used if $engine == self::ENGINE_MCRYPT - * - * @link http://www.php.net/mcrypt_module_open - * @link http://www.php.net/mcrypt_list_algorithms - * @see self::_setupMcrypt() - * @var string - * @access private - */ - var $cipher_name_mcrypt; - - /** - * The openssl specific name of the cipher - * - * Only used if $engine == self::ENGINE_OPENSSL - * - * @link http://www.php.net/openssl-get-cipher-methods - * @var string - * @access private - */ - var $cipher_name_openssl; - - /** - * The openssl specific name of the cipher in ECB mode - * - * If OpenSSL does not support the mode we're trying to use (CTR) - * it can still be emulated with ECB mode. - * - * @link http://www.php.net/openssl-get-cipher-methods - * @var string - * @access private - */ - var $cipher_name_openssl_ecb; - - /** - * The default salt used by setPassword() - * - * @see self::setPassword() - * @var string - * @access private - */ - var $password_default_salt = 'phpseclib/salt'; - - /** - * The name of the performance-optimized callback function - * - * Used by encrypt() / decrypt() - * only if $engine == self::ENGINE_INTERNAL - * - * @see self::encrypt() - * @see self::decrypt() - * @see self::_setupInlineCrypt() - * @see self::$use_inline_crypt - * @var Callback - * @access private - */ - var $inline_crypt; - - /** - * Holds whether performance-optimized $inline_crypt() can/should be used. - * - * @see self::encrypt() - * @see self::decrypt() - * @see self::inline_crypt - * @var mixed - * @access private - */ - var $use_inline_crypt; - - /** - * If OpenSSL can be used in ECB but not in CTR we can emulate CTR - * - * @see self::_openssl_ctr_process() - * @var bool - * @access private - */ - var $openssl_emulate_ctr = false; - - /** - * Determines what options are passed to openssl_encrypt/decrypt - * - * @see self::isValidEngine() - * @var mixed - * @access private - */ - var $openssl_options; - - /** - * Has the key length explicitly been set or should it be derived from the key, itself? - * - * @see self::setKeyLength() - * @var bool - * @access private - */ - var $explicit_key_length = false; - - /** - * Don't truncate / null pad key - * - * @see self::_clearBuffers() - * @var bool - * @access private - */ - var $skip_key_adjustment = false; - - /** - * Default Constructor. - * - * Determines whether or not the mcrypt extension should be used. - * - * $mode could be: - * - * - self::MODE_ECB - * - * - self::MODE_CBC - * - * - self::MODE_CTR - * - * - self::MODE_CFB - * - * - self::MODE_OFB - * - * If not explicitly set, self::MODE_CBC will be used. - * - * @param int $mode - * @access public - */ - function __construct($mode = self::MODE_CBC) - { - // $mode dependent settings - switch ($mode) { - case self::MODE_ECB: - $this->paddable = true; - $this->mode = self::MODE_ECB; - break; - case self::MODE_CTR: - case self::MODE_CFB: - case self::MODE_CFB8: - case self::MODE_OFB: - case self::MODE_STREAM: - $this->mode = $mode; - break; - case self::MODE_CBC: - default: - $this->paddable = true; - $this->mode = self::MODE_CBC; - } - - $this->_setEngine(); - - // Determining whether inline crypting can be used by the cipher - if ($this->use_inline_crypt !== false) { - $this->use_inline_crypt = version_compare(PHP_VERSION, '5.3.0') >= 0 || function_exists('create_function'); - } - } - - /** - * Sets the initialization vector. (optional) - * - * SetIV is not required when self::MODE_ECB (or ie for AES: \phpseclib\Crypt\AES::MODE_ECB) is being used. If not explicitly set, it'll be assumed - * to be all zero's. - * - * @access public - * @param string $iv - * @internal Can be overwritten by a sub class, but does not have to be - */ - function setIV($iv) - { - if ($this->mode == self::MODE_ECB) { - return; - } - - $this->iv = $iv; - $this->changed = true; - } - - /** - * Sets the key length. - * - * Keys with explicitly set lengths need to be treated accordingly - * - * @access public - * @param int $length - */ - function setKeyLength($length) - { - $this->explicit_key_length = true; - $this->changed = true; - $this->_setEngine(); - } - - /** - * Returns the current key length in bits - * - * @access public - * @return int - */ - function getKeyLength() - { - return $this->key_length << 3; - } - - /** - * Returns the current block length in bits - * - * @access public - * @return int - */ - function getBlockLength() - { - return $this->block_size << 3; - } - - /** - * Sets the key. - * - * The min/max length(s) of the key depends on the cipher which is used. - * If the key not fits the length(s) of the cipher it will paded with null bytes - * up to the closest valid key length. If the key is more than max length, - * we trim the excess bits. - * - * If the key is not explicitly set, it'll be assumed to be all null bytes. - * - * @access public - * @param string $key - * @internal Could, but not must, extend by the child Crypt_* class - */ - function setKey($key) - { - if (!$this->explicit_key_length) { - $this->setKeyLength(strlen($key) << 3); - $this->explicit_key_length = false; - } - - $this->key = $key; - $this->changed = true; - $this->_setEngine(); - } - - /** - * Sets the password. - * - * Depending on what $method is set to, setPassword()'s (optional) parameters are as follows: - * {@link http://en.wikipedia.org/wiki/PBKDF2 pbkdf2} or pbkdf1: - * $hash, $salt, $count, $dkLen - * - * Where $hash (default = sha1) currently supports the following hashes: see: Crypt/Hash.php - * - * @see Crypt/Hash.php - * @param string $password - * @param string $method - * @return bool - * @access public - * @internal Could, but not must, extend by the child Crypt_* class - */ - function setPassword($password, $method = 'pbkdf2') - { - $key = ''; - - switch ($method) { - default: // 'pbkdf2' or 'pbkdf1' - $func_args = func_get_args(); - - // Hash function - $hash = isset($func_args[2]) ? $func_args[2] : 'sha1'; - - // WPA and WPA2 use the SSID as the salt - $salt = isset($func_args[3]) ? $func_args[3] : $this->password_default_salt; - - // RFC2898#section-4.2 uses 1,000 iterations by default - // WPA and WPA2 use 4,096. - $count = isset($func_args[4]) ? $func_args[4] : 1000; - - // Keylength - if (isset($func_args[5])) { - $dkLen = $func_args[5]; - } else { - $dkLen = $method == 'pbkdf1' ? 2 * $this->key_length : $this->key_length; - } - - switch (true) { - case $method == 'pbkdf1': - $hashObj = new Hash(); - $hashObj->setHash($hash); - if ($dkLen > $hashObj->getLength()) { - user_error('Derived key too long'); - return false; - } - $t = $password . $salt; - for ($i = 0; $i < $count; ++$i) { - $t = $hashObj->hash($t); - } - $key = substr($t, 0, $dkLen); - - $this->setKey(substr($key, 0, $dkLen >> 1)); - $this->setIV(substr($key, $dkLen >> 1)); - - return true; - // Determining if php[>=5.5.0]'s hash_pbkdf2() function avail- and useable - case !function_exists('hash_pbkdf2'): - case !function_exists('hash_algos'): - case !in_array($hash, hash_algos()): - $i = 1; - while (strlen($key) < $dkLen) { - $hmac = new Hash(); - $hmac->setHash($hash); - $hmac->setKey($password); - $f = $u = $hmac->hash($salt . pack('N', $i++)); - for ($j = 2; $j <= $count; ++$j) { - $u = $hmac->hash($u); - $f^= $u; - } - $key.= $f; - } - $key = substr($key, 0, $dkLen); - break; - default: - $key = hash_pbkdf2($hash, $password, $salt, $count, $dkLen, true); - } - } - - $this->setKey($key); - - return true; - } - - /** - * Encrypts a message. - * - * $plaintext will be padded with additional bytes such that it's length is a multiple of the block size. Other cipher - * implementations may or may not pad in the same manner. Other common approaches to padding and the reasons why it's - * necessary are discussed in the following - * URL: - * - * {@link http://www.di-mgt.com.au/cryptopad.html http://www.di-mgt.com.au/cryptopad.html} - * - * An alternative to padding is to, separately, send the length of the file. This is what SSH, in fact, does. - * strlen($plaintext) will still need to be a multiple of the block size, however, arbitrary values can be added to make it that - * length. - * - * @see self::decrypt() - * @access public - * @param string $plaintext - * @return string $ciphertext - * @internal Could, but not must, extend by the child Crypt_* class - */ - function encrypt($plaintext) - { - if ($this->paddable) { - $plaintext = $this->_pad($plaintext); - } - - if ($this->engine === self::ENGINE_OPENSSL) { - if ($this->changed) { - $this->_clearBuffers(); - $this->changed = false; - } - switch ($this->mode) { - case self::MODE_STREAM: - return openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, $this->openssl_options); - case self::MODE_ECB: - $result = openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, $this->openssl_options); - return !defined('OPENSSL_RAW_DATA') ? substr($result, 0, -$this->block_size) : $result; - case self::MODE_CBC: - $result = openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, $this->openssl_options, $this->encryptIV); - if (!defined('OPENSSL_RAW_DATA')) { - $result = substr($result, 0, -$this->block_size); - } - if ($this->continuousBuffer) { - $this->encryptIV = substr($result, -$this->block_size); - } - return $result; - case self::MODE_CTR: - return $this->_openssl_ctr_process($plaintext, $this->encryptIV, $this->enbuffer); - case self::MODE_CFB: - // cfb loosely routines inspired by openssl's: - // {@link http://cvs.openssl.org/fileview?f=openssl/crypto/modes/cfb128.c&v=1.3.2.2.2.1} - $ciphertext = ''; - if ($this->continuousBuffer) { - $iv = &$this->encryptIV; - $pos = &$this->enbuffer['pos']; - } else { - $iv = $this->encryptIV; - $pos = 0; - } - $len = strlen($plaintext); - $i = 0; - if ($pos) { - $orig_pos = $pos; - $max = $this->block_size - $pos; - if ($len >= $max) { - $i = $max; - $len-= $max; - $pos = 0; - } else { - $i = $len; - $pos+= $len; - $len = 0; - } - // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $blocksize - $ciphertext = substr($iv, $orig_pos) ^ $plaintext; - $iv = substr_replace($iv, $ciphertext, $orig_pos, $i); - $plaintext = substr($plaintext, $i); - } - - $overflow = $len % $this->block_size; - - if ($overflow) { - $ciphertext.= openssl_encrypt(substr($plaintext, 0, -$overflow) . str_repeat("\0", $this->block_size), $this->cipher_name_openssl, $this->key, $this->openssl_options, $iv); - $iv = $this->_string_pop($ciphertext, $this->block_size); - - $size = $len - $overflow; - $block = $iv ^ substr($plaintext, -$overflow); - $iv = substr_replace($iv, $block, 0, $overflow); - $ciphertext.= $block; - $pos = $overflow; - } elseif ($len) { - $ciphertext = openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, $this->openssl_options, $iv); - $iv = substr($ciphertext, -$this->block_size); - } - - return $ciphertext; - case self::MODE_CFB8: - $ciphertext = openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, $this->openssl_options, $this->encryptIV); - if ($this->continuousBuffer) { - if (($len = strlen($ciphertext)) >= $this->block_size) { - $this->encryptIV = substr($ciphertext, -$this->block_size); - } else { - $this->encryptIV = substr($this->encryptIV, $len - $this->block_size) . substr($ciphertext, -$len); - } - } - return $ciphertext; - case self::MODE_OFB: - return $this->_openssl_ofb_process($plaintext, $this->encryptIV, $this->enbuffer); - } - } - - if ($this->engine === self::ENGINE_MCRYPT) { - if ($this->changed) { - $this->_setupMcrypt(); - $this->changed = false; - } - if ($this->enchanged) { - @mcrypt_generic_init($this->enmcrypt, $this->key, $this->encryptIV); - $this->enchanged = false; - } - - // re: {@link http://phpseclib.sourceforge.net/cfb-demo.phps} - // using mcrypt's default handing of CFB the above would output two different things. using phpseclib's - // rewritten CFB implementation the above outputs the same thing twice. - if ($this->mode == self::MODE_CFB && $this->continuousBuffer) { - $block_size = $this->block_size; - $iv = &$this->encryptIV; - $pos = &$this->enbuffer['pos']; - $len = strlen($plaintext); - $ciphertext = ''; - $i = 0; - if ($pos) { - $orig_pos = $pos; - $max = $block_size - $pos; - if ($len >= $max) { - $i = $max; - $len-= $max; - $pos = 0; - } else { - $i = $len; - $pos+= $len; - $len = 0; - } - $ciphertext = substr($iv, $orig_pos) ^ $plaintext; - $iv = substr_replace($iv, $ciphertext, $orig_pos, $i); - $this->enbuffer['enmcrypt_init'] = true; - } - if ($len >= $block_size) { - if ($this->enbuffer['enmcrypt_init'] === false || $len > $this->cfb_init_len) { - if ($this->enbuffer['enmcrypt_init'] === true) { - @mcrypt_generic_init($this->enmcrypt, $this->key, $iv); - $this->enbuffer['enmcrypt_init'] = false; - } - $ciphertext.= @mcrypt_generic($this->enmcrypt, substr($plaintext, $i, $len - $len % $block_size)); - $iv = substr($ciphertext, -$block_size); - $len%= $block_size; - } else { - while ($len >= $block_size) { - $iv = @mcrypt_generic($this->ecb, $iv) ^ substr($plaintext, $i, $block_size); - $ciphertext.= $iv; - $len-= $block_size; - $i+= $block_size; - } - } - } - - if ($len) { - $iv = @mcrypt_generic($this->ecb, $iv); - $block = $iv ^ substr($plaintext, -$len); - $iv = substr_replace($iv, $block, 0, $len); - $ciphertext.= $block; - $pos = $len; - } - - return $ciphertext; - } - - $ciphertext = @mcrypt_generic($this->enmcrypt, $plaintext); - - if (!$this->continuousBuffer) { - @mcrypt_generic_init($this->enmcrypt, $this->key, $this->encryptIV); - } - - return $ciphertext; - } - - if ($this->changed) { - $this->_setup(); - $this->changed = false; - } - if ($this->use_inline_crypt) { - $inline = $this->inline_crypt; - return $inline('encrypt', $this, $plaintext); - } - - $buffer = &$this->enbuffer; - $block_size = $this->block_size; - $ciphertext = ''; - switch ($this->mode) { - case self::MODE_ECB: - for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { - $ciphertext.= $this->_encryptBlock(substr($plaintext, $i, $block_size)); - } - break; - case self::MODE_CBC: - $xor = $this->encryptIV; - for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { - $block = substr($plaintext, $i, $block_size); - $block = $this->_encryptBlock($block ^ $xor); - $xor = $block; - $ciphertext.= $block; - } - if ($this->continuousBuffer) { - $this->encryptIV = $xor; - } - break; - case self::MODE_CTR: - $xor = $this->encryptIV; - if (strlen($buffer['ciphertext'])) { - for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { - $block = substr($plaintext, $i, $block_size); - if (strlen($block) > strlen($buffer['ciphertext'])) { - $buffer['ciphertext'].= $this->_encryptBlock($xor); - } - $this->_increment_str($xor); - $key = $this->_string_shift($buffer['ciphertext'], $block_size); - $ciphertext.= $block ^ $key; - } - } else { - for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { - $block = substr($plaintext, $i, $block_size); - $key = $this->_encryptBlock($xor); - $this->_increment_str($xor); - $ciphertext.= $block ^ $key; - } - } - if ($this->continuousBuffer) { - $this->encryptIV = $xor; - if ($start = strlen($plaintext) % $block_size) { - $buffer['ciphertext'] = substr($key, $start) . $buffer['ciphertext']; - } - } - break; - case self::MODE_CFB: - // cfb loosely routines inspired by openssl's: - // {@link http://cvs.openssl.org/fileview?f=openssl/crypto/modes/cfb128.c&v=1.3.2.2.2.1} - if ($this->continuousBuffer) { - $iv = &$this->encryptIV; - $pos = &$buffer['pos']; - } else { - $iv = $this->encryptIV; - $pos = 0; - } - $len = strlen($plaintext); - $i = 0; - if ($pos) { - $orig_pos = $pos; - $max = $block_size - $pos; - if ($len >= $max) { - $i = $max; - $len-= $max; - $pos = 0; - } else { - $i = $len; - $pos+= $len; - $len = 0; - } - // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $blocksize - $ciphertext = substr($iv, $orig_pos) ^ $plaintext; - $iv = substr_replace($iv, $ciphertext, $orig_pos, $i); - } - while ($len >= $block_size) { - $iv = $this->_encryptBlock($iv) ^ substr($plaintext, $i, $block_size); - $ciphertext.= $iv; - $len-= $block_size; - $i+= $block_size; - } - if ($len) { - $iv = $this->_encryptBlock($iv); - $block = $iv ^ substr($plaintext, $i); - $iv = substr_replace($iv, $block, 0, $len); - $ciphertext.= $block; - $pos = $len; - } - break; - case self::MODE_CFB8: - $ciphertext = ''; - $len = strlen($plaintext); - $iv = $this->encryptIV; - - for ($i = 0; $i < $len; ++$i) { - $ciphertext .= ($c = $plaintext[$i] ^ $this->_encryptBlock($iv)); - $iv = substr($iv, 1) . $c; - } - - if ($this->continuousBuffer) { - if ($len >= $block_size) { - $this->encryptIV = substr($ciphertext, -$block_size); - } else { - $this->encryptIV = substr($this->encryptIV, $len - $block_size) . substr($ciphertext, -$len); - } - } - break; - case self::MODE_OFB: - $xor = $this->encryptIV; - if (strlen($buffer['xor'])) { - for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { - $block = substr($plaintext, $i, $block_size); - if (strlen($block) > strlen($buffer['xor'])) { - $xor = $this->_encryptBlock($xor); - $buffer['xor'].= $xor; - } - $key = $this->_string_shift($buffer['xor'], $block_size); - $ciphertext.= $block ^ $key; - } - } else { - for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { - $xor = $this->_encryptBlock($xor); - $ciphertext.= substr($plaintext, $i, $block_size) ^ $xor; - } - $key = $xor; - } - if ($this->continuousBuffer) { - $this->encryptIV = $xor; - if ($start = strlen($plaintext) % $block_size) { - $buffer['xor'] = substr($key, $start) . $buffer['xor']; - } - } - break; - case self::MODE_STREAM: - $ciphertext = $this->_encryptBlock($plaintext); - break; - } - - return $ciphertext; - } - - /** - * Decrypts a message. - * - * If strlen($ciphertext) is not a multiple of the block size, null bytes will be added to the end of the string until - * it is. - * - * @see self::encrypt() - * @access public - * @param string $ciphertext - * @return string $plaintext - * @internal Could, but not must, extend by the child Crypt_* class - */ - function decrypt($ciphertext) - { - if ($this->paddable) { - // we pad with chr(0) since that's what mcrypt_generic does. to quote from {@link http://www.php.net/function.mcrypt-generic}: - // "The data is padded with "\0" to make sure the length of the data is n * blocksize." - $ciphertext = str_pad($ciphertext, strlen($ciphertext) + ($this->block_size - strlen($ciphertext) % $this->block_size) % $this->block_size, chr(0)); - } - - if ($this->engine === self::ENGINE_OPENSSL) { - if ($this->changed) { - $this->_clearBuffers(); - $this->changed = false; - } - switch ($this->mode) { - case self::MODE_STREAM: - $plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, $this->openssl_options); - break; - case self::MODE_ECB: - if (!defined('OPENSSL_RAW_DATA')) { - $ciphertext.= openssl_encrypt('', $this->cipher_name_openssl_ecb, $this->key, true); - } - $plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, $this->openssl_options); - break; - case self::MODE_CBC: - if (!defined('OPENSSL_RAW_DATA')) { - $padding = str_repeat(chr($this->block_size), $this->block_size) ^ substr($ciphertext, -$this->block_size); - $ciphertext.= substr(openssl_encrypt($padding, $this->cipher_name_openssl_ecb, $this->key, true), 0, $this->block_size); - $offset = 2 * $this->block_size; - } else { - $offset = $this->block_size; - } - $plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, $this->openssl_options, $this->decryptIV); - if ($this->continuousBuffer) { - $this->decryptIV = substr($ciphertext, -$offset, $this->block_size); - } - break; - case self::MODE_CTR: - $plaintext = $this->_openssl_ctr_process($ciphertext, $this->decryptIV, $this->debuffer); - break; - case self::MODE_CFB: - // cfb loosely routines inspired by openssl's: - // {@link http://cvs.openssl.org/fileview?f=openssl/crypto/modes/cfb128.c&v=1.3.2.2.2.1} - $plaintext = ''; - if ($this->continuousBuffer) { - $iv = &$this->decryptIV; - $pos = &$this->buffer['pos']; - } else { - $iv = $this->decryptIV; - $pos = 0; - } - $len = strlen($ciphertext); - $i = 0; - if ($pos) { - $orig_pos = $pos; - $max = $this->block_size - $pos; - if ($len >= $max) { - $i = $max; - $len-= $max; - $pos = 0; - } else { - $i = $len; - $pos+= $len; - $len = 0; - } - // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $this->blocksize - $plaintext = substr($iv, $orig_pos) ^ $ciphertext; - $iv = substr_replace($iv, substr($ciphertext, 0, $i), $orig_pos, $i); - $ciphertext = substr($ciphertext, $i); - } - $overflow = $len % $this->block_size; - if ($overflow) { - $plaintext.= openssl_decrypt(substr($ciphertext, 0, -$overflow), $this->cipher_name_openssl, $this->key, $this->openssl_options, $iv); - if ($len - $overflow) { - $iv = substr($ciphertext, -$overflow - $this->block_size, -$overflow); - } - $iv = openssl_encrypt(str_repeat("\0", $this->block_size), $this->cipher_name_openssl, $this->key, $this->openssl_options, $iv); - $plaintext.= $iv ^ substr($ciphertext, -$overflow); - $iv = substr_replace($iv, substr($ciphertext, -$overflow), 0, $overflow); - $pos = $overflow; - } elseif ($len) { - $plaintext.= openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, $this->openssl_options, $iv); - $iv = substr($ciphertext, -$this->block_size); - } - break; - case self::MODE_CFB8: - $plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, $this->openssl_options, $this->decryptIV); - if ($this->continuousBuffer) { - if (($len = strlen($ciphertext)) >= $this->block_size) { - $this->decryptIV = substr($ciphertext, -$this->block_size); - } else { - $this->decryptIV = substr($this->decryptIV, $len - $this->block_size) . substr($ciphertext, -$len); - } - } - break; - case self::MODE_OFB: - $plaintext = $this->_openssl_ofb_process($ciphertext, $this->decryptIV, $this->debuffer); - } - - return $this->paddable ? $this->_unpad($plaintext) : $plaintext; - } - - if ($this->engine === self::ENGINE_MCRYPT) { - $block_size = $this->block_size; - if ($this->changed) { - $this->_setupMcrypt(); - $this->changed = false; - } - if ($this->dechanged) { - @mcrypt_generic_init($this->demcrypt, $this->key, $this->decryptIV); - $this->dechanged = false; - } - - if ($this->mode == self::MODE_CFB && $this->continuousBuffer) { - $iv = &$this->decryptIV; - $pos = &$this->debuffer['pos']; - $len = strlen($ciphertext); - $plaintext = ''; - $i = 0; - if ($pos) { - $orig_pos = $pos; - $max = $block_size - $pos; - if ($len >= $max) { - $i = $max; - $len-= $max; - $pos = 0; - } else { - $i = $len; - $pos+= $len; - $len = 0; - } - // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $blocksize - $plaintext = substr($iv, $orig_pos) ^ $ciphertext; - $iv = substr_replace($iv, substr($ciphertext, 0, $i), $orig_pos, $i); - } - if ($len >= $block_size) { - $cb = substr($ciphertext, $i, $len - $len % $block_size); - $plaintext.= @mcrypt_generic($this->ecb, $iv . $cb) ^ $cb; - $iv = substr($cb, -$block_size); - $len%= $block_size; - } - if ($len) { - $iv = @mcrypt_generic($this->ecb, $iv); - $plaintext.= $iv ^ substr($ciphertext, -$len); - $iv = substr_replace($iv, substr($ciphertext, -$len), 0, $len); - $pos = $len; - } - - return $plaintext; - } - - $plaintext = @mdecrypt_generic($this->demcrypt, $ciphertext); - - if (!$this->continuousBuffer) { - @mcrypt_generic_init($this->demcrypt, $this->key, $this->decryptIV); - } - - return $this->paddable ? $this->_unpad($plaintext) : $plaintext; - } - - if ($this->changed) { - $this->_setup(); - $this->changed = false; - } - if ($this->use_inline_crypt) { - $inline = $this->inline_crypt; - return $inline('decrypt', $this, $ciphertext); - } - - $block_size = $this->block_size; - - $buffer = &$this->debuffer; - $plaintext = ''; - switch ($this->mode) { - case self::MODE_ECB: - for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { - $plaintext.= $this->_decryptBlock(substr($ciphertext, $i, $block_size)); - } - break; - case self::MODE_CBC: - $xor = $this->decryptIV; - for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { - $block = substr($ciphertext, $i, $block_size); - $plaintext.= $this->_decryptBlock($block) ^ $xor; - $xor = $block; - } - if ($this->continuousBuffer) { - $this->decryptIV = $xor; - } - break; - case self::MODE_CTR: - $xor = $this->decryptIV; - if (strlen($buffer['ciphertext'])) { - for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { - $block = substr($ciphertext, $i, $block_size); - if (strlen($block) > strlen($buffer['ciphertext'])) { - $buffer['ciphertext'].= $this->_encryptBlock($xor); - $this->_increment_str($xor); - } - $key = $this->_string_shift($buffer['ciphertext'], $block_size); - $plaintext.= $block ^ $key; - } - } else { - for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { - $block = substr($ciphertext, $i, $block_size); - $key = $this->_encryptBlock($xor); - $this->_increment_str($xor); - $plaintext.= $block ^ $key; - } - } - if ($this->continuousBuffer) { - $this->decryptIV = $xor; - if ($start = strlen($ciphertext) % $block_size) { - $buffer['ciphertext'] = substr($key, $start) . $buffer['ciphertext']; - } - } - break; - case self::MODE_CFB: - if ($this->continuousBuffer) { - $iv = &$this->decryptIV; - $pos = &$buffer['pos']; - } else { - $iv = $this->decryptIV; - $pos = 0; - } - $len = strlen($ciphertext); - $i = 0; - if ($pos) { - $orig_pos = $pos; - $max = $block_size - $pos; - if ($len >= $max) { - $i = $max; - $len-= $max; - $pos = 0; - } else { - $i = $len; - $pos+= $len; - $len = 0; - } - // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $blocksize - $plaintext = substr($iv, $orig_pos) ^ $ciphertext; - $iv = substr_replace($iv, substr($ciphertext, 0, $i), $orig_pos, $i); - } - while ($len >= $block_size) { - $iv = $this->_encryptBlock($iv); - $cb = substr($ciphertext, $i, $block_size); - $plaintext.= $iv ^ $cb; - $iv = $cb; - $len-= $block_size; - $i+= $block_size; - } - if ($len) { - $iv = $this->_encryptBlock($iv); - $plaintext.= $iv ^ substr($ciphertext, $i); - $iv = substr_replace($iv, substr($ciphertext, $i), 0, $len); - $pos = $len; - } - break; - case self::MODE_CFB8: - $plaintext = ''; - $len = strlen($ciphertext); - $iv = $this->decryptIV; - - for ($i = 0; $i < $len; ++$i) { - $plaintext .= $ciphertext[$i] ^ $this->_encryptBlock($iv); - $iv = substr($iv, 1) . $ciphertext[$i]; - } - - if ($this->continuousBuffer) { - if ($len >= $block_size) { - $this->decryptIV = substr($ciphertext, -$block_size); - } else { - $this->decryptIV = substr($this->decryptIV, $len - $block_size) . substr($ciphertext, -$len); - } - } - break; - case self::MODE_OFB: - $xor = $this->decryptIV; - if (strlen($buffer['xor'])) { - for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { - $block = substr($ciphertext, $i, $block_size); - if (strlen($block) > strlen($buffer['xor'])) { - $xor = $this->_encryptBlock($xor); - $buffer['xor'].= $xor; - } - $key = $this->_string_shift($buffer['xor'], $block_size); - $plaintext.= $block ^ $key; - } - } else { - for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { - $xor = $this->_encryptBlock($xor); - $plaintext.= substr($ciphertext, $i, $block_size) ^ $xor; - } - $key = $xor; - } - if ($this->continuousBuffer) { - $this->decryptIV = $xor; - if ($start = strlen($ciphertext) % $block_size) { - $buffer['xor'] = substr($key, $start) . $buffer['xor']; - } - } - break; - case self::MODE_STREAM: - $plaintext = $this->_decryptBlock($ciphertext); - break; - } - return $this->paddable ? $this->_unpad($plaintext) : $plaintext; - } - - /** - * OpenSSL CTR Processor - * - * PHP's OpenSSL bindings do not operate in continuous mode so we'll wrap around it. Since the keystream - * for CTR is the same for both encrypting and decrypting this function is re-used by both Base::encrypt() - * and Base::decrypt(). Also, OpenSSL doesn't implement CTR for all of it's symmetric ciphers so this - * function will emulate CTR with ECB when necessary. - * - * @see self::encrypt() - * @see self::decrypt() - * @param string $plaintext - * @param string $encryptIV - * @param array $buffer - * @return string - * @access private - */ - function _openssl_ctr_process($plaintext, &$encryptIV, &$buffer) - { - $ciphertext = ''; - - $block_size = $this->block_size; - $key = $this->key; - - if ($this->openssl_emulate_ctr) { - $xor = $encryptIV; - if (strlen($buffer['ciphertext'])) { - for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { - $block = substr($plaintext, $i, $block_size); - if (strlen($block) > strlen($buffer['ciphertext'])) { - $result = openssl_encrypt($xor, $this->cipher_name_openssl_ecb, $key, $this->openssl_options); - $result = !defined('OPENSSL_RAW_DATA') ? substr($result, 0, -$this->block_size) : $result; - $buffer['ciphertext'].= $result; - } - $this->_increment_str($xor); - $otp = $this->_string_shift($buffer['ciphertext'], $block_size); - $ciphertext.= $block ^ $otp; - } - } else { - for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { - $block = substr($plaintext, $i, $block_size); - $otp = openssl_encrypt($xor, $this->cipher_name_openssl_ecb, $key, $this->openssl_options); - $otp = !defined('OPENSSL_RAW_DATA') ? substr($otp, 0, -$this->block_size) : $otp; - $this->_increment_str($xor); - $ciphertext.= $block ^ $otp; - } - } - if ($this->continuousBuffer) { - $encryptIV = $xor; - if ($start = strlen($plaintext) % $block_size) { - $buffer['ciphertext'] = substr($key, $start) . $buffer['ciphertext']; - } - } - - return $ciphertext; - } - - if (strlen($buffer['ciphertext'])) { - $ciphertext = $plaintext ^ $this->_string_shift($buffer['ciphertext'], strlen($plaintext)); - $plaintext = substr($plaintext, strlen($ciphertext)); - - if (!strlen($plaintext)) { - return $ciphertext; - } - } - - $overflow = strlen($plaintext) % $block_size; - if ($overflow) { - $plaintext2 = $this->_string_pop($plaintext, $overflow); // ie. trim $plaintext to a multiple of $block_size and put rest of $plaintext in $plaintext2 - $encrypted = openssl_encrypt($plaintext . str_repeat("\0", $block_size), $this->cipher_name_openssl, $key, $this->openssl_options, $encryptIV); - $temp = $this->_string_pop($encrypted, $block_size); - $ciphertext.= $encrypted . ($plaintext2 ^ $temp); - if ($this->continuousBuffer) { - $buffer['ciphertext'] = substr($temp, $overflow); - $encryptIV = $temp; - } - } elseif (!strlen($buffer['ciphertext'])) { - $ciphertext.= openssl_encrypt($plaintext . str_repeat("\0", $block_size), $this->cipher_name_openssl, $key, $this->openssl_options, $encryptIV); - $temp = $this->_string_pop($ciphertext, $block_size); - if ($this->continuousBuffer) { - $encryptIV = $temp; - } - } - if ($this->continuousBuffer) { - if (!defined('OPENSSL_RAW_DATA')) { - $encryptIV.= openssl_encrypt('', $this->cipher_name_openssl_ecb, $key, $this->openssl_options); - } - $encryptIV = openssl_decrypt($encryptIV, $this->cipher_name_openssl_ecb, $key, $this->openssl_options); - if ($overflow) { - $this->_increment_str($encryptIV); - } - } - - return $ciphertext; - } - - /** - * OpenSSL OFB Processor - * - * PHP's OpenSSL bindings do not operate in continuous mode so we'll wrap around it. Since the keystream - * for OFB is the same for both encrypting and decrypting this function is re-used by both Base::encrypt() - * and Base::decrypt(). - * - * @see self::encrypt() - * @see self::decrypt() - * @param string $plaintext - * @param string $encryptIV - * @param array $buffer - * @return string - * @access private - */ - function _openssl_ofb_process($plaintext, &$encryptIV, &$buffer) - { - if (strlen($buffer['xor'])) { - $ciphertext = $plaintext ^ $buffer['xor']; - $buffer['xor'] = substr($buffer['xor'], strlen($ciphertext)); - $plaintext = substr($plaintext, strlen($ciphertext)); - } else { - $ciphertext = ''; - } - - $block_size = $this->block_size; - - $len = strlen($plaintext); - $key = $this->key; - $overflow = $len % $block_size; - - if (strlen($plaintext)) { - if ($overflow) { - $ciphertext.= openssl_encrypt(substr($plaintext, 0, -$overflow) . str_repeat("\0", $block_size), $this->cipher_name_openssl, $key, $this->openssl_options, $encryptIV); - $xor = $this->_string_pop($ciphertext, $block_size); - if ($this->continuousBuffer) { - $encryptIV = $xor; - } - $ciphertext.= $this->_string_shift($xor, $overflow) ^ substr($plaintext, -$overflow); - if ($this->continuousBuffer) { - $buffer['xor'] = $xor; - } - } else { - $ciphertext = openssl_encrypt($plaintext, $this->cipher_name_openssl, $key, $this->openssl_options, $encryptIV); - if ($this->continuousBuffer) { - $encryptIV = substr($ciphertext, -$block_size) ^ substr($plaintext, -$block_size); - } - } - } - - return $ciphertext; - } - - /** - * phpseclib <-> OpenSSL Mode Mapper - * - * May need to be overwritten by classes extending this one in some cases - * - * @return int - * @access private - */ - function _openssl_translate_mode() - { - switch ($this->mode) { - case self::MODE_ECB: - return 'ecb'; - case self::MODE_CBC: - return 'cbc'; - case self::MODE_CTR: - return 'ctr'; - case self::MODE_CFB: - return 'cfb'; - case self::MODE_CFB8: - return 'cfb8'; - case self::MODE_OFB: - return 'ofb'; - } - } - - /** - * Pad "packets". - * - * Block ciphers working by encrypting between their specified [$this->]block_size at a time - * If you ever need to encrypt or decrypt something that isn't of the proper length, it becomes necessary to - * pad the input so that it is of the proper length. - * - * Padding is enabled by default. Sometimes, however, it is undesirable to pad strings. Such is the case in SSH, - * where "packets" are padded with random bytes before being encrypted. Unpad these packets and you risk stripping - * away characters that shouldn't be stripped away. (SSH knows how many bytes are added because the length is - * transmitted separately) - * - * @see self::disablePadding() - * @access public - */ - function enablePadding() - { - $this->padding = true; - } - - /** - * Do not pad packets. - * - * @see self::enablePadding() - * @access public - */ - function disablePadding() - { - $this->padding = false; - } - - /** - * Treat consecutive "packets" as if they are a continuous buffer. - * - * Say you have a 32-byte plaintext $plaintext. Using the default behavior, the two following code snippets - * will yield different outputs: - * - * - * echo $rijndael->encrypt(substr($plaintext, 0, 16)); - * echo $rijndael->encrypt(substr($plaintext, 16, 16)); - * - * - * echo $rijndael->encrypt($plaintext); - * - * - * The solution is to enable the continuous buffer. Although this will resolve the above discrepancy, it creates - * another, as demonstrated with the following: - * - * - * $rijndael->encrypt(substr($plaintext, 0, 16)); - * echo $rijndael->decrypt($rijndael->encrypt(substr($plaintext, 16, 16))); - * - * - * echo $rijndael->decrypt($rijndael->encrypt(substr($plaintext, 16, 16))); - * - * - * With the continuous buffer disabled, these would yield the same output. With it enabled, they yield different - * outputs. The reason is due to the fact that the initialization vector's change after every encryption / - * decryption round when the continuous buffer is enabled. When it's disabled, they remain constant. - * - * Put another way, when the continuous buffer is enabled, the state of the \phpseclib\Crypt\*() object changes after each - * encryption / decryption round, whereas otherwise, it'd remain constant. For this reason, it's recommended that - * continuous buffers not be used. They do offer better security and are, in fact, sometimes required (SSH uses them), - * however, they are also less intuitive and more likely to cause you problems. - * - * @see self::disableContinuousBuffer() - * @access public - * @internal Could, but not must, extend by the child Crypt_* class - */ - function enableContinuousBuffer() - { - if ($this->mode == self::MODE_ECB) { - return; - } - - $this->continuousBuffer = true; - - $this->_setEngine(); - } - - /** - * Treat consecutive packets as if they are a discontinuous buffer. - * - * The default behavior. - * - * @see self::enableContinuousBuffer() - * @access public - * @internal Could, but not must, extend by the child Crypt_* class - */ - function disableContinuousBuffer() - { - if ($this->mode == self::MODE_ECB) { - return; - } - if (!$this->continuousBuffer) { - return; - } - - $this->continuousBuffer = false; - $this->changed = true; - - $this->_setEngine(); - } - - /** - * Test for engine validity - * - * @see self::__construct() - * @param int $engine - * @access public - * @return bool - */ - function isValidEngine($engine) - { - switch ($engine) { - case self::ENGINE_OPENSSL: - if ($this->mode == self::MODE_STREAM && $this->continuousBuffer) { - return false; - } - $this->openssl_emulate_ctr = false; - $result = $this->cipher_name_openssl && - extension_loaded('openssl') && - // PHP 5.3.0 - 5.3.2 did not let you set IV's - version_compare(PHP_VERSION, '5.3.3', '>='); - if (!$result) { - return false; - } - - // prior to PHP 5.4.0 OPENSSL_RAW_DATA and OPENSSL_ZERO_PADDING were not defined. instead of expecting an integer - // $options openssl_encrypt expected a boolean $raw_data. - if (!defined('OPENSSL_RAW_DATA')) { - $this->openssl_options = true; - } else { - $this->openssl_options = OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING; - } - - $methods = openssl_get_cipher_methods(); - if (in_array($this->cipher_name_openssl, $methods)) { - return true; - } - // not all of openssl's symmetric cipher's support ctr. for those - // that don't we'll emulate it - switch ($this->mode) { - case self::MODE_CTR: - if (in_array($this->cipher_name_openssl_ecb, $methods)) { - $this->openssl_emulate_ctr = true; - return true; - } - } - return false; - case self::ENGINE_MCRYPT: - return $this->cipher_name_mcrypt && - extension_loaded('mcrypt') && - in_array($this->cipher_name_mcrypt, @mcrypt_list_algorithms()); - case self::ENGINE_INTERNAL: - return true; - } - - return false; - } - - /** - * Sets the preferred crypt engine - * - * Currently, $engine could be: - * - * - \phpseclib\Crypt\Base::ENGINE_OPENSSL [very fast] - * - * - \phpseclib\Crypt\Base::ENGINE_MCRYPT [fast] - * - * - \phpseclib\Crypt\Base::ENGINE_INTERNAL [slow] - * - * If the preferred crypt engine is not available the fastest available one will be used - * - * @see self::__construct() - * @param int $engine - * @access public - */ - function setPreferredEngine($engine) - { - switch ($engine) { - //case self::ENGINE_OPENSSL; - case self::ENGINE_MCRYPT: - case self::ENGINE_INTERNAL: - $this->preferredEngine = $engine; - break; - default: - $this->preferredEngine = self::ENGINE_OPENSSL; - } - - $this->_setEngine(); - } - - /** - * Returns the engine currently being utilized - * - * @see self::_setEngine() - * @access public - */ - function getEngine() - { - return $this->engine; - } - - /** - * Sets the engine as appropriate - * - * @see self::__construct() - * @access private - */ - function _setEngine() - { - $this->engine = null; - - $candidateEngines = array( - $this->preferredEngine, - self::ENGINE_OPENSSL, - self::ENGINE_MCRYPT - ); - foreach ($candidateEngines as $engine) { - if ($this->isValidEngine($engine)) { - $this->engine = $engine; - break; - } - } - if (!$this->engine) { - $this->engine = self::ENGINE_INTERNAL; - } - - if ($this->engine != self::ENGINE_MCRYPT && $this->enmcrypt) { - // Closing the current mcrypt resource(s). _mcryptSetup() will, if needed, - // (re)open them with the module named in $this->cipher_name_mcrypt - @mcrypt_module_close($this->enmcrypt); - @mcrypt_module_close($this->demcrypt); - $this->enmcrypt = null; - $this->demcrypt = null; - - if ($this->ecb) { - @mcrypt_module_close($this->ecb); - $this->ecb = null; - } - } - - $this->changed = true; - } - - /** - * Encrypts a block - * - * Note: Must be extended by the child \phpseclib\Crypt\* class - * - * @access private - * @param string $in - * @return string - */ - abstract function _encryptBlock($in); - - /** - * Decrypts a block - * - * Note: Must be extended by the child \phpseclib\Crypt\* class - * - * @access private - * @param string $in - * @return string - */ - abstract function _decryptBlock($in); - - /** - * Setup the key (expansion) - * - * Only used if $engine == self::ENGINE_INTERNAL - * - * Note: Must extend by the child \phpseclib\Crypt\* class - * - * @see self::_setup() - * @access private - */ - abstract function _setupKey(); - - /** - * Setup the self::ENGINE_INTERNAL $engine - * - * (re)init, if necessary, the internal cipher $engine and flush all $buffers - * Used (only) if $engine == self::ENGINE_INTERNAL - * - * _setup() will be called each time if $changed === true - * typically this happens when using one or more of following public methods: - * - * - setKey() - * - * - setIV() - * - * - disableContinuousBuffer() - * - * - First run of encrypt() / decrypt() with no init-settings - * - * @see self::setKey() - * @see self::setIV() - * @see self::disableContinuousBuffer() - * @access private - * @internal _setup() is always called before en/decryption. - * @internal Could, but not must, extend by the child Crypt_* class - */ - function _setup() - { - $this->_clearBuffers(); - $this->_setupKey(); - - if ($this->use_inline_crypt) { - $this->_setupInlineCrypt(); - } - } - - /** - * Setup the self::ENGINE_MCRYPT $engine - * - * (re)init, if necessary, the (ext)mcrypt resources and flush all $buffers - * Used (only) if $engine = self::ENGINE_MCRYPT - * - * _setupMcrypt() will be called each time if $changed === true - * typically this happens when using one or more of following public methods: - * - * - setKey() - * - * - setIV() - * - * - disableContinuousBuffer() - * - * - First run of encrypt() / decrypt() - * - * @see self::setKey() - * @see self::setIV() - * @see self::disableContinuousBuffer() - * @access private - * @internal Could, but not must, extend by the child Crypt_* class - */ - function _setupMcrypt() - { - $this->_clearBuffers(); - $this->enchanged = $this->dechanged = true; - - if (!isset($this->enmcrypt)) { - static $mcrypt_modes = array( - self::MODE_CTR => 'ctr', - self::MODE_ECB => MCRYPT_MODE_ECB, - self::MODE_CBC => MCRYPT_MODE_CBC, - self::MODE_CFB => 'ncfb', - self::MODE_CFB8 => MCRYPT_MODE_CFB, - self::MODE_OFB => MCRYPT_MODE_NOFB, - self::MODE_STREAM => MCRYPT_MODE_STREAM, - ); - - $this->demcrypt = @mcrypt_module_open($this->cipher_name_mcrypt, '', $mcrypt_modes[$this->mode], ''); - $this->enmcrypt = @mcrypt_module_open($this->cipher_name_mcrypt, '', $mcrypt_modes[$this->mode], ''); - - // we need the $ecb mcrypt resource (only) in MODE_CFB with enableContinuousBuffer() - // to workaround mcrypt's broken ncfb implementation in buffered mode - // see: {@link http://phpseclib.sourceforge.net/cfb-demo.phps} - if ($this->mode == self::MODE_CFB) { - $this->ecb = @mcrypt_module_open($this->cipher_name_mcrypt, '', MCRYPT_MODE_ECB, ''); - } - } // else should mcrypt_generic_deinit be called? - - if ($this->mode == self::MODE_CFB) { - @mcrypt_generic_init($this->ecb, $this->key, str_repeat("\0", $this->block_size)); - } - } - - /** - * Pads a string - * - * Pads a string using the RSA PKCS padding standards so that its length is a multiple of the blocksize. - * $this->block_size - (strlen($text) % $this->block_size) bytes are added, each of which is equal to - * chr($this->block_size - (strlen($text) % $this->block_size) - * - * If padding is disabled and $text is not a multiple of the blocksize, the string will be padded regardless - * and padding will, hence forth, be enabled. - * - * @see self::_unpad() - * @param string $text - * @access private - * @return string - */ - function _pad($text) - { - $length = strlen($text); - - if (!$this->padding) { - if ($length % $this->block_size == 0) { - return $text; - } else { - user_error("The plaintext's length ($length) is not a multiple of the block size ({$this->block_size})"); - $this->padding = true; - } - } - - $pad = $this->block_size - ($length % $this->block_size); - - return str_pad($text, $length + $pad, chr($pad)); - } - - /** - * Unpads a string. - * - * If padding is enabled and the reported padding length is invalid the encryption key will be assumed to be wrong - * and false will be returned. - * - * @see self::_pad() - * @param string $text - * @access private - * @return string - */ - function _unpad($text) - { - if (!$this->padding) { - return $text; - } - - $length = ord($text[strlen($text) - 1]); - - if (!$length || $length > $this->block_size) { - return false; - } - - return substr($text, 0, -$length); - } - - /** - * Clears internal buffers - * - * Clearing/resetting the internal buffers is done everytime - * after disableContinuousBuffer() or on cipher $engine (re)init - * ie after setKey() or setIV() - * - * @access public - * @internal Could, but not must, extend by the child Crypt_* class - */ - function _clearBuffers() - { - $this->enbuffer = $this->debuffer = array('ciphertext' => '', 'xor' => '', 'pos' => 0, 'enmcrypt_init' => true); - - // mcrypt's handling of invalid's $iv: - // $this->encryptIV = $this->decryptIV = strlen($this->iv) == $this->block_size ? $this->iv : str_repeat("\0", $this->block_size); - $this->encryptIV = $this->decryptIV = str_pad(substr($this->iv, 0, $this->block_size), $this->block_size, "\0"); - - if (!$this->skip_key_adjustment) { - $this->key = str_pad(substr($this->key, 0, $this->key_length), $this->key_length, "\0"); - } - } - - /** - * String Shift - * - * Inspired by array_shift - * - * @param string $string - * @param int $index - * @access private - * @return string - */ - function _string_shift(&$string, $index = 1) - { - $substr = substr($string, 0, $index); - $string = substr($string, $index); - return $substr; - } - - /** - * String Pop - * - * Inspired by array_pop - * - * @param string $string - * @param int $index - * @access private - * @return string - */ - function _string_pop(&$string, $index = 1) - { - $substr = substr($string, -$index); - $string = substr($string, 0, -$index); - return $substr; - } - - /** - * Increment the current string - * - * @see self::decrypt() - * @see self::encrypt() - * @param string $var - * @access private - */ - function _increment_str(&$var) - { - for ($i = 4; $i <= strlen($var); $i+= 4) { - $temp = substr($var, -$i, 4); - switch ($temp) { - case "\xFF\xFF\xFF\xFF": - $var = substr_replace($var, "\x00\x00\x00\x00", -$i, 4); - break; - case "\x7F\xFF\xFF\xFF": - $var = substr_replace($var, "\x80\x00\x00\x00", -$i, 4); - return; - default: - $temp = unpack('Nnum', $temp); - $var = substr_replace($var, pack('N', $temp['num'] + 1), -$i, 4); - return; - } - } - - $remainder = strlen($var) % 4; - - if ($remainder == 0) { - return; - } - - $temp = unpack('Nnum', str_pad(substr($var, 0, $remainder), 4, "\0", STR_PAD_LEFT)); - $temp = substr(pack('N', $temp['num'] + 1), -$remainder); - $var = substr_replace($var, $temp, 0, $remainder); - } - - /** - * Setup the performance-optimized function for de/encrypt() - * - * Stores the created (or existing) callback function-name - * in $this->inline_crypt - * - * Internally for phpseclib developers: - * - * _setupInlineCrypt() would be called only if: - * - * - $engine == self::ENGINE_INTERNAL and - * - * - $use_inline_crypt === true - * - * - each time on _setup(), after(!) _setupKey() - * - * - * This ensures that _setupInlineCrypt() has always a - * full ready2go initializated internal cipher $engine state - * where, for example, the keys allready expanded, - * keys/block_size calculated and such. - * - * It is, each time if called, the responsibility of _setupInlineCrypt(): - * - * - to set $this->inline_crypt to a valid and fully working callback function - * as a (faster) replacement for encrypt() / decrypt() - * - * - NOT to create unlimited callback functions (for memory reasons!) - * no matter how often _setupInlineCrypt() would be called. At some - * point of amount they must be generic re-useable. - * - * - the code of _setupInlineCrypt() it self, - * and the generated callback code, - * must be, in following order: - * - 100% safe - * - 100% compatible to encrypt()/decrypt() - * - using only php5+ features/lang-constructs/php-extensions if - * compatibility (down to php4) or fallback is provided - * - readable/maintainable/understandable/commented and... not-cryptic-styled-code :-) - * - >= 10% faster than encrypt()/decrypt() [which is, by the way, - * the reason for the existence of _setupInlineCrypt() :-)] - * - memory-nice - * - short (as good as possible) - * - * Note: - _setupInlineCrypt() is using _createInlineCryptFunction() to create the full callback function code. - * - In case of using inline crypting, _setupInlineCrypt() must extend by the child \phpseclib\Crypt\* class. - * - The following variable names are reserved: - * - $_* (all variable names prefixed with an underscore) - * - $self (object reference to it self. Do not use $this, but $self instead) - * - $in (the content of $in has to en/decrypt by the generated code) - * - The callback function should not use the 'return' statement, but en/decrypt'ing the content of $in only - * - * - * @see self::_setup() - * @see self::_createInlineCryptFunction() - * @see self::encrypt() - * @see self::decrypt() - * @access private - * @internal If a Crypt_* class providing inline crypting it must extend _setupInlineCrypt() - */ - function _setupInlineCrypt() - { - // If, for any reason, an extending \phpseclib\Crypt\Base() \phpseclib\Crypt\* class - // not using inline crypting then it must be ensured that: $this->use_inline_crypt = false - // ie in the class var declaration of $use_inline_crypt in general for the \phpseclib\Crypt\* class, - // in the constructor at object instance-time - // or, if it's runtime-specific, at runtime - - $this->use_inline_crypt = false; - } - - /** - * Creates the performance-optimized function for en/decrypt() - * - * Internally for phpseclib developers: - * - * _createInlineCryptFunction(): - * - * - merge the $cipher_code [setup'ed by _setupInlineCrypt()] - * with the current [$this->]mode of operation code - * - * - create the $inline function, which called by encrypt() / decrypt() - * as its replacement to speed up the en/decryption operations. - * - * - return the name of the created $inline callback function - * - * - used to speed up en/decryption - * - * - * - * The main reason why can speed up things [up to 50%] this way are: - * - * - using variables more effective then regular. - * (ie no use of expensive arrays but integers $k_0, $k_1 ... - * or even, for example, the pure $key[] values hardcoded) - * - * - avoiding 1000's of function calls of ie _encryptBlock() - * but inlining the crypt operations. - * in the mode of operation for() loop. - * - * - full loop unroll the (sometimes key-dependent) rounds - * avoiding this way ++$i counters and runtime-if's etc... - * - * The basic code architectur of the generated $inline en/decrypt() - * lambda function, in pseudo php, is: - * - * - * +----------------------------------------------------------------------------------------------+ - * | callback $inline = create_function: | - * | lambda_function_0001_crypt_ECB($action, $text) | - * | { | - * | INSERT PHP CODE OF: | - * | $cipher_code['init_crypt']; // general init code. | - * | // ie: $sbox'es declarations used for | - * | // encrypt and decrypt'ing. | - * | | - * | switch ($action) { | - * | case 'encrypt': | - * | INSERT PHP CODE OF: | - * | $cipher_code['init_encrypt']; // encrypt sepcific init code. | - * | ie: specified $key or $box | - * | declarations for encrypt'ing. | - * | | - * | foreach ($ciphertext) { | - * | $in = $block_size of $ciphertext; | - * | | - * | INSERT PHP CODE OF: | - * | $cipher_code['encrypt_block']; // encrypt's (string) $in, which is always: | - * | // strlen($in) == $this->block_size | - * | // here comes the cipher algorithm in action | - * | // for encryption. | - * | // $cipher_code['encrypt_block'] has to | - * | // encrypt the content of the $in variable | - * | | - * | $plaintext .= $in; | - * | } | - * | return $plaintext; | - * | | - * | case 'decrypt': | - * | INSERT PHP CODE OF: | - * | $cipher_code['init_decrypt']; // decrypt sepcific init code | - * | ie: specified $key or $box | - * | declarations for decrypt'ing. | - * | foreach ($plaintext) { | - * | $in = $block_size of $plaintext; | - * | | - * | INSERT PHP CODE OF: | - * | $cipher_code['decrypt_block']; // decrypt's (string) $in, which is always | - * | // strlen($in) == $this->block_size | - * | // here comes the cipher algorithm in action | - * | // for decryption. | - * | // $cipher_code['decrypt_block'] has to | - * | // decrypt the content of the $in variable | - * | $ciphertext .= $in; | - * | } | - * | return $ciphertext; | - * | } | - * | } | - * +----------------------------------------------------------------------------------------------+ - * - * - * See also the \phpseclib\Crypt\*::_setupInlineCrypt()'s for - * productive inline $cipher_code's how they works. - * - * Structure of: - * - * $cipher_code = array( - * 'init_crypt' => (string) '', // optional - * 'init_encrypt' => (string) '', // optional - * 'init_decrypt' => (string) '', // optional - * 'encrypt_block' => (string) '', // required - * 'decrypt_block' => (string) '' // required - * ); - * - * - * @see self::_setupInlineCrypt() - * @see self::encrypt() - * @see self::decrypt() - * @param array $cipher_code - * @access private - * @return string (the name of the created callback function) - */ - function _createInlineCryptFunction($cipher_code) - { - $block_size = $this->block_size; - - // optional - $init_crypt = isset($cipher_code['init_crypt']) ? $cipher_code['init_crypt'] : ''; - $init_encrypt = isset($cipher_code['init_encrypt']) ? $cipher_code['init_encrypt'] : ''; - $init_decrypt = isset($cipher_code['init_decrypt']) ? $cipher_code['init_decrypt'] : ''; - // required - $encrypt_block = $cipher_code['encrypt_block']; - $decrypt_block = $cipher_code['decrypt_block']; - - // Generating mode of operation inline code, - // merged with the $cipher_code algorithm - // for encrypt- and decryption. - switch ($this->mode) { - case self::MODE_ECB: - $encrypt = $init_encrypt . ' - $_ciphertext = ""; - $_plaintext_len = strlen($_text); - - for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { - $in = substr($_text, $_i, '.$block_size.'); - '.$encrypt_block.' - $_ciphertext.= $in; - } - - return $_ciphertext; - '; - - $decrypt = $init_decrypt . ' - $_plaintext = ""; - $_text = str_pad($_text, strlen($_text) + ('.$block_size.' - strlen($_text) % '.$block_size.') % '.$block_size.', chr(0)); - $_ciphertext_len = strlen($_text); - - for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { - $in = substr($_text, $_i, '.$block_size.'); - '.$decrypt_block.' - $_plaintext.= $in; - } - - return $self->_unpad($_plaintext); - '; - break; - case self::MODE_CTR: - $encrypt = $init_encrypt . ' - $_ciphertext = ""; - $_plaintext_len = strlen($_text); - $_xor = $self->encryptIV; - $_buffer = &$self->enbuffer; - if (strlen($_buffer["ciphertext"])) { - for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { - $_block = substr($_text, $_i, '.$block_size.'); - if (strlen($_block) > strlen($_buffer["ciphertext"])) { - $in = $_xor; - '.$encrypt_block.' - $self->_increment_str($_xor); - $_buffer["ciphertext"].= $in; - } - $_key = $self->_string_shift($_buffer["ciphertext"], '.$block_size.'); - $_ciphertext.= $_block ^ $_key; - } - } else { - for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { - $_block = substr($_text, $_i, '.$block_size.'); - $in = $_xor; - '.$encrypt_block.' - $self->_increment_str($_xor); - $_key = $in; - $_ciphertext.= $_block ^ $_key; - } - } - if ($self->continuousBuffer) { - $self->encryptIV = $_xor; - if ($_start = $_plaintext_len % '.$block_size.') { - $_buffer["ciphertext"] = substr($_key, $_start) . $_buffer["ciphertext"]; - } - } - - return $_ciphertext; - '; - - $decrypt = $init_encrypt . ' - $_plaintext = ""; - $_ciphertext_len = strlen($_text); - $_xor = $self->decryptIV; - $_buffer = &$self->debuffer; - - if (strlen($_buffer["ciphertext"])) { - for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { - $_block = substr($_text, $_i, '.$block_size.'); - if (strlen($_block) > strlen($_buffer["ciphertext"])) { - $in = $_xor; - '.$encrypt_block.' - $self->_increment_str($_xor); - $_buffer["ciphertext"].= $in; - } - $_key = $self->_string_shift($_buffer["ciphertext"], '.$block_size.'); - $_plaintext.= $_block ^ $_key; - } - } else { - for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { - $_block = substr($_text, $_i, '.$block_size.'); - $in = $_xor; - '.$encrypt_block.' - $self->_increment_str($_xor); - $_key = $in; - $_plaintext.= $_block ^ $_key; - } - } - if ($self->continuousBuffer) { - $self->decryptIV = $_xor; - if ($_start = $_ciphertext_len % '.$block_size.') { - $_buffer["ciphertext"] = substr($_key, $_start) . $_buffer["ciphertext"]; - } - } - - return $_plaintext; - '; - break; - case self::MODE_CFB: - $encrypt = $init_encrypt . ' - $_ciphertext = ""; - $_buffer = &$self->enbuffer; - - if ($self->continuousBuffer) { - $_iv = &$self->encryptIV; - $_pos = &$_buffer["pos"]; - } else { - $_iv = $self->encryptIV; - $_pos = 0; - } - $_len = strlen($_text); - $_i = 0; - if ($_pos) { - $_orig_pos = $_pos; - $_max = '.$block_size.' - $_pos; - if ($_len >= $_max) { - $_i = $_max; - $_len-= $_max; - $_pos = 0; - } else { - $_i = $_len; - $_pos+= $_len; - $_len = 0; - } - $_ciphertext = substr($_iv, $_orig_pos) ^ $_text; - $_iv = substr_replace($_iv, $_ciphertext, $_orig_pos, $_i); - } - while ($_len >= '.$block_size.') { - $in = $_iv; - '.$encrypt_block.'; - $_iv = $in ^ substr($_text, $_i, '.$block_size.'); - $_ciphertext.= $_iv; - $_len-= '.$block_size.'; - $_i+= '.$block_size.'; - } - if ($_len) { - $in = $_iv; - '.$encrypt_block.' - $_iv = $in; - $_block = $_iv ^ substr($_text, $_i); - $_iv = substr_replace($_iv, $_block, 0, $_len); - $_ciphertext.= $_block; - $_pos = $_len; - } - return $_ciphertext; - '; - - $decrypt = $init_encrypt . ' - $_plaintext = ""; - $_buffer = &$self->debuffer; - - if ($self->continuousBuffer) { - $_iv = &$self->decryptIV; - $_pos = &$_buffer["pos"]; - } else { - $_iv = $self->decryptIV; - $_pos = 0; - } - $_len = strlen($_text); - $_i = 0; - if ($_pos) { - $_orig_pos = $_pos; - $_max = '.$block_size.' - $_pos; - if ($_len >= $_max) { - $_i = $_max; - $_len-= $_max; - $_pos = 0; - } else { - $_i = $_len; - $_pos+= $_len; - $_len = 0; - } - $_plaintext = substr($_iv, $_orig_pos) ^ $_text; - $_iv = substr_replace($_iv, substr($_text, 0, $_i), $_orig_pos, $_i); - } - while ($_len >= '.$block_size.') { - $in = $_iv; - '.$encrypt_block.' - $_iv = $in; - $cb = substr($_text, $_i, '.$block_size.'); - $_plaintext.= $_iv ^ $cb; - $_iv = $cb; - $_len-= '.$block_size.'; - $_i+= '.$block_size.'; - } - if ($_len) { - $in = $_iv; - '.$encrypt_block.' - $_iv = $in; - $_plaintext.= $_iv ^ substr($_text, $_i); - $_iv = substr_replace($_iv, substr($_text, $_i), 0, $_len); - $_pos = $_len; - } - - return $_plaintext; - '; - break; - case self::MODE_CFB8: - $encrypt = $init_encrypt . ' - $_ciphertext = ""; - $_len = strlen($_text); - $_iv = $self->encryptIV; - - for ($_i = 0; $_i < $_len; ++$_i) { - $in = $_iv; - '.$encrypt_block.' - $_ciphertext .= ($_c = $_text[$_i] ^ $in); - $_iv = substr($_iv, 1) . $_c; - } - - if ($self->continuousBuffer) { - if ($_len >= '.$block_size.') { - $self->encryptIV = substr($_ciphertext, -'.$block_size.'); - } else { - $self->encryptIV = substr($self->encryptIV, $_len - '.$block_size.') . substr($_ciphertext, -$_len); - } - } - - return $_ciphertext; - '; - $decrypt = $init_encrypt . ' - $_plaintext = ""; - $_len = strlen($_text); - $_iv = $self->decryptIV; - - for ($_i = 0; $_i < $_len; ++$_i) { - $in = $_iv; - '.$encrypt_block.' - $_plaintext .= $_text[$_i] ^ $in; - $_iv = substr($_iv, 1) . $_text[$_i]; - } - - if ($self->continuousBuffer) { - if ($_len >= '.$block_size.') { - $self->decryptIV = substr($_text, -'.$block_size.'); - } else { - $self->decryptIV = substr($self->decryptIV, $_len - '.$block_size.') . substr($_text, -$_len); - } - } - - return $_plaintext; - '; - break; - case self::MODE_OFB: - $encrypt = $init_encrypt . ' - $_ciphertext = ""; - $_plaintext_len = strlen($_text); - $_xor = $self->encryptIV; - $_buffer = &$self->enbuffer; - - if (strlen($_buffer["xor"])) { - for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { - $_block = substr($_text, $_i, '.$block_size.'); - if (strlen($_block) > strlen($_buffer["xor"])) { - $in = $_xor; - '.$encrypt_block.' - $_xor = $in; - $_buffer["xor"].= $_xor; - } - $_key = $self->_string_shift($_buffer["xor"], '.$block_size.'); - $_ciphertext.= $_block ^ $_key; - } - } else { - for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { - $in = $_xor; - '.$encrypt_block.' - $_xor = $in; - $_ciphertext.= substr($_text, $_i, '.$block_size.') ^ $_xor; - } - $_key = $_xor; - } - if ($self->continuousBuffer) { - $self->encryptIV = $_xor; - if ($_start = $_plaintext_len % '.$block_size.') { - $_buffer["xor"] = substr($_key, $_start) . $_buffer["xor"]; - } - } - return $_ciphertext; - '; - - $decrypt = $init_encrypt . ' - $_plaintext = ""; - $_ciphertext_len = strlen($_text); - $_xor = $self->decryptIV; - $_buffer = &$self->debuffer; - - if (strlen($_buffer["xor"])) { - for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { - $_block = substr($_text, $_i, '.$block_size.'); - if (strlen($_block) > strlen($_buffer["xor"])) { - $in = $_xor; - '.$encrypt_block.' - $_xor = $in; - $_buffer["xor"].= $_xor; - } - $_key = $self->_string_shift($_buffer["xor"], '.$block_size.'); - $_plaintext.= $_block ^ $_key; - } - } else { - for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { - $in = $_xor; - '.$encrypt_block.' - $_xor = $in; - $_plaintext.= substr($_text, $_i, '.$block_size.') ^ $_xor; - } - $_key = $_xor; - } - if ($self->continuousBuffer) { - $self->decryptIV = $_xor; - if ($_start = $_ciphertext_len % '.$block_size.') { - $_buffer["xor"] = substr($_key, $_start) . $_buffer["xor"]; - } - } - return $_plaintext; - '; - break; - case self::MODE_STREAM: - $encrypt = $init_encrypt . ' - $_ciphertext = ""; - '.$encrypt_block.' - return $_ciphertext; - '; - $decrypt = $init_decrypt . ' - $_plaintext = ""; - '.$decrypt_block.' - return $_plaintext; - '; - break; - // case self::MODE_CBC: - default: - $encrypt = $init_encrypt . ' - $_ciphertext = ""; - $_plaintext_len = strlen($_text); - - $in = $self->encryptIV; - - for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { - $in = substr($_text, $_i, '.$block_size.') ^ $in; - '.$encrypt_block.' - $_ciphertext.= $in; - } - - if ($self->continuousBuffer) { - $self->encryptIV = $in; - } - - return $_ciphertext; - '; - - $decrypt = $init_decrypt . ' - $_plaintext = ""; - $_text = str_pad($_text, strlen($_text) + ('.$block_size.' - strlen($_text) % '.$block_size.') % '.$block_size.', chr(0)); - $_ciphertext_len = strlen($_text); - - $_iv = $self->decryptIV; - - for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { - $in = $_block = substr($_text, $_i, '.$block_size.'); - '.$decrypt_block.' - $_plaintext.= $in ^ $_iv; - $_iv = $_block; - } - - if ($self->continuousBuffer) { - $self->decryptIV = $_iv; - } - - return $self->_unpad($_plaintext); - '; - break; - } - - // Create the $inline function and return its name as string. Ready to run! - if (version_compare(PHP_VERSION, '5.3.0') >= 0) { - eval('$func = function ($_action, &$self, $_text) { ' . $init_crypt . 'if ($_action == "encrypt") { ' . $encrypt . ' } else { ' . $decrypt . ' } };'); - return $func; - } - - return create_function('$_action, &$self, $_text', $init_crypt . 'if ($_action == "encrypt") { ' . $encrypt . ' } else { ' . $decrypt . ' }'); - } - - /** - * Holds the lambda_functions table (classwide) - * - * Each name of the lambda function, created from - * _setupInlineCrypt() && _createInlineCryptFunction() - * is stored, classwide (!), here for reusing. - * - * The string-based index of $function is a classwide - * unique value representing, at least, the $mode of - * operation (or more... depends of the optimizing level) - * for which $mode the lambda function was created. - * - * @access private - * @return array &$functions - */ - function &_getLambdaFunctions() - { - static $functions = array(); - return $functions; - } - - /** - * Generates a digest from $bytes - * - * @see self::_setupInlineCrypt() - * @access private - * @param $bytes - * @return string - */ - function _hashInlineCryptFunction($bytes) - { - if (!isset(self::$WHIRLPOOL_AVAILABLE)) { - self::$WHIRLPOOL_AVAILABLE = extension_loaded('hash') && in_array('whirlpool', hash_algos()); - } - - $result = ''; - $hash = $bytes; - - switch (true) { - case self::$WHIRLPOOL_AVAILABLE: - foreach (str_split($bytes, 64) as $t) { - $hash = hash('whirlpool', $hash, true); - $result .= $t ^ $hash; - } - return $result . hash('whirlpool', $hash, true); - default: - $len = strlen($bytes); - for ($i = 0; $i < $len; $i+=20) { - $t = substr($bytes, $i, 20); - $hash = pack('H*', sha1($hash)); - $result .= $t ^ $hash; - } - return $result . pack('H*', sha1($hash)); - } - } - - /** - * Convert float to int - * - * On ARM CPUs converting floats to ints doesn't always work - * - * @access private - * @param string $x - * @return int - */ - function safe_intval($x) - { - switch (true) { - case is_int($x): - // PHP 5.3, per http://php.net/releases/5_3_0.php, introduced "more consistent float rounding" - case (php_uname('m') & "\xDF\xDF\xDF") != 'ARM': - return $x; - } - return (fmod($x, 0x80000000) & 0x7FFFFFFF) | - ((fmod(floor($x / 0x80000000), 2) & 1) << 31); - } - - /** - * eval()'able string for in-line float to int - * - * @access private - * @return string - */ - function safe_intval_inline() - { - switch (true) { - case defined('PHP_INT_SIZE') && PHP_INT_SIZE == 8: - case (php_uname('m') & "\xDF\xDF\xDF") != 'ARM': - return '%s'; - break; - default: - $safeint = '(is_int($temp = %s) ? $temp : (fmod($temp, 0x80000000) & 0x7FFFFFFF) | '; - return $safeint . '((fmod(floor($temp / 0x80000000), 2) & 1) << 31))'; - } - } -} diff --git a/lib/phpseclib/Crypt/Blowfish.php b/lib/phpseclib/Crypt/Blowfish.php deleted file mode 100644 index 74cc49de8ab..00000000000 --- a/lib/phpseclib/Crypt/Blowfish.php +++ /dev/null @@ -1,571 +0,0 @@ - - * setKey('12345678901234567890123456789012'); - * - * $plaintext = str_repeat('a', 1024); - * - * echo $blowfish->decrypt($blowfish->encrypt($plaintext)); - * ?> - * - * - * @category Crypt - * @package Blowfish - * @author Jim Wigginton - * @author Hans-Juergen Petrich - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -/** - * Pure-PHP implementation of Blowfish. - * - * @package Blowfish - * @author Jim Wigginton - * @author Hans-Juergen Petrich - * @access public - */ -class Blowfish extends Base -{ - /** - * Block Length of the cipher - * - * @see \phpseclib\Crypt\Base::block_size - * @var int - * @access private - */ - var $block_size = 8; - - /** - * The mcrypt specific name of the cipher - * - * @see \phpseclib\Crypt\Base::cipher_name_mcrypt - * @var string - * @access private - */ - var $cipher_name_mcrypt = 'blowfish'; - - /** - * Optimizing value while CFB-encrypting - * - * @see \phpseclib\Crypt\Base::cfb_init_len - * @var int - * @access private - */ - var $cfb_init_len = 500; - - /** - * The fixed subkeys boxes ($sbox0 - $sbox3) with 256 entries each - * - * S-Box 0 - * - * @access private - * @var array - */ - var $sbox0 = array( - 0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99, - 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16, 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e, - 0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee, 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013, - 0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef, 0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e, - 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60, 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440, - 0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce, 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a, - 0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e, 0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677, - 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193, 0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032, - 0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88, 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239, - 0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e, 0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0, - 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3, 0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98, - 0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88, 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe, - 0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6, 0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d, - 0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b, 0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7, - 0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba, 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463, - 0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f, 0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09, - 0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3, 0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb, - 0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279, 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8, - 0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab, 0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82, - 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db, 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573, - 0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0, 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b, - 0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790, 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8, - 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4, 0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0, - 0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7, 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c, - 0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad, 0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1, - 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299, 0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9, - 0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477, 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf, - 0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49, 0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af, - 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa, 0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5, - 0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41, 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915, - 0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, 0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915, - 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664, 0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a - ); - - /** - * S-Box 1 - * - * @access private - * @var array - */ - var $sbox1 = array( - 0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623, 0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266, - 0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1, 0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e, - 0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6, 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1, - 0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e, 0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1, - 0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737, 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8, - 0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff, 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd, - 0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701, 0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7, - 0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41, 0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331, - 0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf, 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af, - 0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e, 0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87, - 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c, 0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2, - 0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16, 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd, - 0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b, 0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509, - 0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e, 0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3, - 0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f, 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a, - 0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4, 0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960, - 0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66, 0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28, - 0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802, 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84, - 0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510, 0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf, - 0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14, 0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e, - 0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50, 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7, - 0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8, 0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281, - 0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99, 0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696, - 0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128, 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73, - 0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0, 0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0, - 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105, 0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250, - 0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3, 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285, - 0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00, 0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061, - 0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb, 0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e, - 0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735, 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc, - 0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9, 0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340, - 0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20, 0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7 - ); - - /** - * S-Box 2 - * - * @access private - * @var array - */ - var $sbox2 = array( - 0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934, 0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068, - 0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af, 0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840, - 0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45, 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504, - 0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a, 0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb, - 0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee, 0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6, - 0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42, 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b, - 0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2, 0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb, - 0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527, 0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b, - 0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33, 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c, - 0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3, 0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc, - 0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17, 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564, - 0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b, 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115, - 0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922, 0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728, - 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0, 0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e, - 0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37, 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d, - 0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804, 0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b, - 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3, 0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb, - 0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d, 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c, - 0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350, 0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9, - 0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a, 0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe, - 0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d, 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc, - 0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f, 0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61, - 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2, 0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9, - 0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2, 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c, - 0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e, 0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633, - 0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10, 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169, - 0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52, 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027, - 0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5, 0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62, - 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634, 0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76, - 0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24, 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc, - 0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4, 0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c, - 0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837, 0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0 - ); - - /** - * S-Box 3 - * - * @access private - * @var array - */ - var $sbox3 = array( - 0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b, 0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe, - 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b, 0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4, - 0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8, 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6, - 0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304, 0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22, - 0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4, 0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6, - 0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9, 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59, - 0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593, 0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51, - 0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28, 0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c, - 0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b, 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28, - 0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c, 0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd, - 0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a, 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319, - 0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb, 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f, - 0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991, 0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32, - 0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680, 0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166, - 0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae, 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb, - 0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5, 0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47, - 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370, 0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d, - 0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84, 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048, - 0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8, 0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd, - 0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9, 0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7, - 0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38, 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f, - 0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c, 0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525, - 0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1, 0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442, - 0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964, 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e, - 0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8, 0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d, - 0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f, 0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299, - 0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02, 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc, - 0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614, 0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a, - 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6, 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b, - 0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0, 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060, - 0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e, 0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9, - 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f, 0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6 - ); - - /** - * P-Array consists of 18 32-bit subkeys - * - * @var array - * @access private - */ - var $parray = array( - 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, 0xa4093822, 0x299f31d0, - 0x082efa98, 0xec4e6c89, 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c, - 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, 0x9216d5d9, 0x8979fb1b - ); - - /** - * The BCTX-working Array - * - * Holds the expanded key [p] and the key-depended s-boxes [sb] - * - * @var array - * @access private - */ - var $bctx; - - /** - * Holds the last used key - * - * @var array - * @access private - */ - var $kl; - - /** - * The Key Length (in bytes) - * - * @see \phpseclib\Crypt\Base::setKeyLength() - * @var int - * @access private - * @internal The max value is 256 / 8 = 32, the min value is 128 / 8 = 16. Exists in conjunction with $Nk - * because the encryption / decryption / key schedule creation requires this number and not $key_length. We could - * derive this from $key_length or vice versa, but that'd mean we'd have to do multiple shift operations, so in lieu - * of that, we'll just precompute it once. - */ - var $key_length = 16; - - /** - * Sets the key length. - * - * Key lengths can be between 32 and 448 bits. - * - * @access public - * @param int $length - */ - function setKeyLength($length) - { - if ($length < 32) { - $this->key_length = 4; - } elseif ($length > 448) { - $this->key_length = 56; - } else { - $this->key_length = $length >> 3; - } - - parent::setKeyLength($length); - } - - /** - * Test for engine validity - * - * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Base::isValidEngine() - * - * @see \phpseclib\Crypt\Base::isValidEngine() - * @param int $engine - * @access public - * @return bool - */ - function isValidEngine($engine) - { - if ($engine == self::ENGINE_OPENSSL) { - if (version_compare(PHP_VERSION, '5.3.7') < 0 && $this->key_length != 16) { - return false; - } - if ($this->key_length < 16) { - return false; - } - $this->cipher_name_openssl_ecb = 'bf-ecb'; - $this->cipher_name_openssl = 'bf-' . $this->_openssl_translate_mode(); - } - - return parent::isValidEngine($engine); - } - - /** - * Setup the key (expansion) - * - * @see \phpseclib\Crypt\Base::_setupKey() - * @access private - */ - function _setupKey() - { - if (isset($this->kl['key']) && $this->key === $this->kl['key']) { - // already expanded - return; - } - $this->kl = array('key' => $this->key); - - /* key-expanding p[] and S-Box building sb[] */ - $this->bctx = array( - 'p' => array(), - 'sb' => array( - $this->sbox0, - $this->sbox1, - $this->sbox2, - $this->sbox3 - ) - ); - - // unpack binary string in unsigned chars - $key = array_values(unpack('C*', $this->key)); - $keyl = count($key); - for ($j = 0, $i = 0; $i < 18; ++$i) { - // xor P1 with the first 32-bits of the key, xor P2 with the second 32-bits ... - for ($data = 0, $k = 0; $k < 4; ++$k) { - $data = ($data << 8) | $key[$j]; - if (++$j >= $keyl) { - $j = 0; - } - } - $this->bctx['p'][] = $this->parray[$i] ^ $data; - } - - // encrypt the zero-string, replace P1 and P2 with the encrypted data, - // encrypt P3 and P4 with the new P1 and P2, do it with all P-array and subkeys - $data = "\0\0\0\0\0\0\0\0"; - for ($i = 0; $i < 18; $i += 2) { - list($l, $r) = array_values(unpack('N*', $data = $this->_encryptBlock($data))); - $this->bctx['p'][$i ] = $l; - $this->bctx['p'][$i + 1] = $r; - } - for ($i = 0; $i < 4; ++$i) { - for ($j = 0; $j < 256; $j += 2) { - list($l, $r) = array_values(unpack('N*', $data = $this->_encryptBlock($data))); - $this->bctx['sb'][$i][$j ] = $l; - $this->bctx['sb'][$i][$j + 1] = $r; - } - } - } - - /** - * Encrypts a block - * - * @access private - * @param string $in - * @return string - */ - function _encryptBlock($in) - { - $p = $this->bctx["p"]; - // extract($this->bctx["sb"], EXTR_PREFIX_ALL, "sb"); // slower - $sb_0 = $this->bctx["sb"][0]; - $sb_1 = $this->bctx["sb"][1]; - $sb_2 = $this->bctx["sb"][2]; - $sb_3 = $this->bctx["sb"][3]; - - $in = unpack("N*", $in); - $l = $in[1]; - $r = $in[2]; - - for ($i = 0; $i < 16; $i+= 2) { - $l^= $p[$i]; - $r^= $this->safe_intval(($this->safe_intval($sb_0[$l >> 24 & 0xff] + $sb_1[$l >> 16 & 0xff]) ^ - $sb_2[$l >> 8 & 0xff]) + - $sb_3[$l & 0xff]); - - $r^= $p[$i + 1]; - $l^= $this->safe_intval(($this->safe_intval($sb_0[$r >> 24 & 0xff] + $sb_1[$r >> 16 & 0xff]) ^ - $sb_2[$r >> 8 & 0xff]) + - $sb_3[$r & 0xff]); - } - return pack("N*", $r ^ $p[17], $l ^ $p[16]); - } - - /** - * Decrypts a block - * - * @access private - * @param string $in - * @return string - */ - function _decryptBlock($in) - { - $p = $this->bctx["p"]; - $sb_0 = $this->bctx["sb"][0]; - $sb_1 = $this->bctx["sb"][1]; - $sb_2 = $this->bctx["sb"][2]; - $sb_3 = $this->bctx["sb"][3]; - - $in = unpack("N*", $in); - $l = $in[1]; - $r = $in[2]; - - for ($i = 17; $i > 2; $i-= 2) { - $l^= $p[$i]; - $r^= $this->safe_intval(($this->safe_intval($sb_0[$l >> 24 & 0xff] + $sb_1[$l >> 16 & 0xff]) ^ - $sb_2[$l >> 8 & 0xff]) + - $sb_3[$l & 0xff]); - - $r^= $p[$i - 1]; - $l^= $this->safe_intval(($this->safe_intval($sb_0[$r >> 24 & 0xff] + $sb_1[$r >> 16 & 0xff]) ^ - $sb_2[$r >> 8 & 0xff]) + - $sb_3[$r & 0xff]); - } - return pack("N*", $r ^ $p[0], $l ^ $p[1]); - } - - /** - * Setup the performance-optimized function for de/encrypt() - * - * @see \phpseclib\Crypt\Base::_setupInlineCrypt() - * @access private - */ - function _setupInlineCrypt() - { - $lambda_functions =& self::_getLambdaFunctions(); - - // We create max. 10 hi-optimized code for memory reason. Means: For each $key one ultra fast inline-crypt function. - // (Currently, for Blowfish, one generated $lambda_function cost on php5.5@32bit ~100kb unfreeable mem and ~180kb on php5.5@64bit) - // After that, we'll still create very fast optimized code but not the hi-ultimative code, for each $mode one. - $gen_hi_opt_code = (bool)(count($lambda_functions) < 10); - - // Generation of a unique hash for our generated code - $code_hash = "Crypt_Blowfish, {$this->mode}"; - if ($gen_hi_opt_code) { - $code_hash = str_pad($code_hash, 32) . $this->_hashInlineCryptFunction($this->key); - } - - $safeint = $this->safe_intval_inline(); - - if (!isset($lambda_functions[$code_hash])) { - switch (true) { - case $gen_hi_opt_code: - $p = $this->bctx['p']; - $init_crypt = ' - static $sb_0, $sb_1, $sb_2, $sb_3; - if (!$sb_0) { - $sb_0 = $self->bctx["sb"][0]; - $sb_1 = $self->bctx["sb"][1]; - $sb_2 = $self->bctx["sb"][2]; - $sb_3 = $self->bctx["sb"][3]; - } - '; - break; - default: - $p = array(); - for ($i = 0; $i < 18; ++$i) { - $p[] = '$p_' . $i; - } - $init_crypt = ' - list($sb_0, $sb_1, $sb_2, $sb_3) = $self->bctx["sb"]; - list(' . implode(',', $p) . ') = $self->bctx["p"]; - - '; - } - - // Generating encrypt code: - $encrypt_block = ' - $in = unpack("N*", $in); - $l = $in[1]; - $r = $in[2]; - '; - for ($i = 0; $i < 16; $i+= 2) { - $encrypt_block.= ' - $l^= ' . $p[$i] . '; - $r^= ' . sprintf($safeint, '(' . sprintf($safeint, '$sb_0[$l >> 24 & 0xff] + $sb_1[$l >> 16 & 0xff]') . ' ^ - $sb_2[$l >> 8 & 0xff]) + - $sb_3[$l & 0xff]') . '; - - $r^= ' . $p[$i + 1] . '; - $l^= ' . sprintf($safeint, '(' . sprintf($safeint, '$sb_0[$r >> 24 & 0xff] + $sb_1[$r >> 16 & 0xff]') . ' ^ - $sb_2[$r >> 8 & 0xff]) + - $sb_3[$r & 0xff]') . '; - '; - } - $encrypt_block.= ' - $in = pack("N*", - $r ^ ' . $p[17] . ', - $l ^ ' . $p[16] . ' - ); - '; - - // Generating decrypt code: - $decrypt_block = ' - $in = unpack("N*", $in); - $l = $in[1]; - $r = $in[2]; - '; - - for ($i = 17; $i > 2; $i-= 2) { - $decrypt_block.= ' - $l^= ' . $p[$i] . '; - $r^= ' . sprintf($safeint, '(' . sprintf($safeint, '$sb_0[$l >> 24 & 0xff] + $sb_1[$l >> 16 & 0xff]') . ' ^ - $sb_2[$l >> 8 & 0xff]) + - $sb_3[$l & 0xff]') . '; - - $r^= ' . $p[$i - 1] . '; - $l^= ' . sprintf($safeint, '(' . sprintf($safeint, '$sb_0[$r >> 24 & 0xff] + $sb_1[$r >> 16 & 0xff]') . ' ^ - $sb_2[$r >> 8 & 0xff]) + - $sb_3[$r & 0xff]') . '; - '; - } - - $decrypt_block.= ' - $in = pack("N*", - $r ^ ' . $p[0] . ', - $l ^ ' . $p[1] . ' - ); - '; - - $lambda_functions[$code_hash] = $this->_createInlineCryptFunction( - array( - 'init_crypt' => $init_crypt, - 'init_encrypt' => '', - 'init_decrypt' => '', - 'encrypt_block' => $encrypt_block, - 'decrypt_block' => $decrypt_block - ) - ); - } - $this->inline_crypt = $lambda_functions[$code_hash]; - } -} diff --git a/lib/phpseclib/Crypt/DES.php b/lib/phpseclib/Crypt/DES.php deleted file mode 100644 index 9a8225fb5d2..00000000000 --- a/lib/phpseclib/Crypt/DES.php +++ /dev/null @@ -1,1443 +0,0 @@ - - * setKey('abcdefgh'); - * - * $size = 10 * 1024; - * $plaintext = ''; - * for ($i = 0; $i < $size; $i++) { - * $plaintext.= 'a'; - * } - * - * echo $des->decrypt($des->encrypt($plaintext)); - * ?> - * - * - * @category Crypt - * @package DES - * @author Jim Wigginton - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -/** - * Pure-PHP implementation of DES. - * - * @package DES - * @author Jim Wigginton - * @access public - */ -class DES extends Base -{ - /**#@+ - * @access private - * @see \phpseclib\Crypt\DES::_setupKey() - * @see \phpseclib\Crypt\DES::_processBlock() - */ - /** - * Contains $keys[self::ENCRYPT] - */ - const ENCRYPT = 0; - /** - * Contains $keys[self::DECRYPT] - */ - const DECRYPT = 1; - /**#@-*/ - - /** - * Block Length of the cipher - * - * @see \phpseclib\Crypt\Base::block_size - * @var int - * @access private - */ - var $block_size = 8; - - /** - * Key Length (in bytes) - * - * @see \phpseclib\Crypt\Base::setKeyLength() - * @var int - * @access private - */ - var $key_length = 8; - - /** - * The mcrypt specific name of the cipher - * - * @see \phpseclib\Crypt\Base::cipher_name_mcrypt - * @var string - * @access private - */ - var $cipher_name_mcrypt = 'des'; - - /** - * The OpenSSL names of the cipher / modes - * - * @see \phpseclib\Crypt\Base::openssl_mode_names - * @var array - * @access private - */ - var $openssl_mode_names = array( - self::MODE_ECB => 'des-ecb', - self::MODE_CBC => 'des-cbc', - self::MODE_CFB => 'des-cfb', - self::MODE_OFB => 'des-ofb' - // self::MODE_CTR is undefined for DES - ); - - /** - * Optimizing value while CFB-encrypting - * - * @see \phpseclib\Crypt\Base::cfb_init_len - * @var int - * @access private - */ - var $cfb_init_len = 500; - - /** - * Switch for DES/3DES encryption - * - * Used only if $engine == self::ENGINE_INTERNAL - * - * @see self::_setupKey() - * @see self::_processBlock() - * @var int - * @access private - */ - var $des_rounds = 1; - - /** - * max possible size of $key - * - * @see self::setKey() - * @var string - * @access private - */ - var $key_length_max = 8; - - /** - * The Key Schedule - * - * @see self::_setupKey() - * @var array - * @access private - */ - var $keys; - - /** - * Shuffle table. - * - * For each byte value index, the entry holds an 8-byte string - * with each byte containing all bits in the same state as the - * corresponding bit in the index value. - * - * @see self::_processBlock() - * @see self::_setupKey() - * @var array - * @access private - */ - var $shuffle = array( - "\x00\x00\x00\x00\x00\x00\x00\x00", "\x00\x00\x00\x00\x00\x00\x00\xFF", - "\x00\x00\x00\x00\x00\x00\xFF\x00", "\x00\x00\x00\x00\x00\x00\xFF\xFF", - "\x00\x00\x00\x00\x00\xFF\x00\x00", "\x00\x00\x00\x00\x00\xFF\x00\xFF", - "\x00\x00\x00\x00\x00\xFF\xFF\x00", "\x00\x00\x00\x00\x00\xFF\xFF\xFF", - "\x00\x00\x00\x00\xFF\x00\x00\x00", "\x00\x00\x00\x00\xFF\x00\x00\xFF", - "\x00\x00\x00\x00\xFF\x00\xFF\x00", "\x00\x00\x00\x00\xFF\x00\xFF\xFF", - "\x00\x00\x00\x00\xFF\xFF\x00\x00", "\x00\x00\x00\x00\xFF\xFF\x00\xFF", - "\x00\x00\x00\x00\xFF\xFF\xFF\x00", "\x00\x00\x00\x00\xFF\xFF\xFF\xFF", - "\x00\x00\x00\xFF\x00\x00\x00\x00", "\x00\x00\x00\xFF\x00\x00\x00\xFF", - "\x00\x00\x00\xFF\x00\x00\xFF\x00", "\x00\x00\x00\xFF\x00\x00\xFF\xFF", - "\x00\x00\x00\xFF\x00\xFF\x00\x00", "\x00\x00\x00\xFF\x00\xFF\x00\xFF", - "\x00\x00\x00\xFF\x00\xFF\xFF\x00", "\x00\x00\x00\xFF\x00\xFF\xFF\xFF", - "\x00\x00\x00\xFF\xFF\x00\x00\x00", "\x00\x00\x00\xFF\xFF\x00\x00\xFF", - "\x00\x00\x00\xFF\xFF\x00\xFF\x00", "\x00\x00\x00\xFF\xFF\x00\xFF\xFF", - "\x00\x00\x00\xFF\xFF\xFF\x00\x00", "\x00\x00\x00\xFF\xFF\xFF\x00\xFF", - "\x00\x00\x00\xFF\xFF\xFF\xFF\x00", "\x00\x00\x00\xFF\xFF\xFF\xFF\xFF", - "\x00\x00\xFF\x00\x00\x00\x00\x00", "\x00\x00\xFF\x00\x00\x00\x00\xFF", - "\x00\x00\xFF\x00\x00\x00\xFF\x00", "\x00\x00\xFF\x00\x00\x00\xFF\xFF", - "\x00\x00\xFF\x00\x00\xFF\x00\x00", "\x00\x00\xFF\x00\x00\xFF\x00\xFF", - "\x00\x00\xFF\x00\x00\xFF\xFF\x00", "\x00\x00\xFF\x00\x00\xFF\xFF\xFF", - "\x00\x00\xFF\x00\xFF\x00\x00\x00", "\x00\x00\xFF\x00\xFF\x00\x00\xFF", - "\x00\x00\xFF\x00\xFF\x00\xFF\x00", "\x00\x00\xFF\x00\xFF\x00\xFF\xFF", - "\x00\x00\xFF\x00\xFF\xFF\x00\x00", "\x00\x00\xFF\x00\xFF\xFF\x00\xFF", - "\x00\x00\xFF\x00\xFF\xFF\xFF\x00", "\x00\x00\xFF\x00\xFF\xFF\xFF\xFF", - "\x00\x00\xFF\xFF\x00\x00\x00\x00", "\x00\x00\xFF\xFF\x00\x00\x00\xFF", - "\x00\x00\xFF\xFF\x00\x00\xFF\x00", "\x00\x00\xFF\xFF\x00\x00\xFF\xFF", - "\x00\x00\xFF\xFF\x00\xFF\x00\x00", "\x00\x00\xFF\xFF\x00\xFF\x00\xFF", - "\x00\x00\xFF\xFF\x00\xFF\xFF\x00", "\x00\x00\xFF\xFF\x00\xFF\xFF\xFF", - "\x00\x00\xFF\xFF\xFF\x00\x00\x00", "\x00\x00\xFF\xFF\xFF\x00\x00\xFF", - "\x00\x00\xFF\xFF\xFF\x00\xFF\x00", "\x00\x00\xFF\xFF\xFF\x00\xFF\xFF", - "\x00\x00\xFF\xFF\xFF\xFF\x00\x00", "\x00\x00\xFF\xFF\xFF\xFF\x00\xFF", - "\x00\x00\xFF\xFF\xFF\xFF\xFF\x00", "\x00\x00\xFF\xFF\xFF\xFF\xFF\xFF", - "\x00\xFF\x00\x00\x00\x00\x00\x00", "\x00\xFF\x00\x00\x00\x00\x00\xFF", - "\x00\xFF\x00\x00\x00\x00\xFF\x00", "\x00\xFF\x00\x00\x00\x00\xFF\xFF", - "\x00\xFF\x00\x00\x00\xFF\x00\x00", "\x00\xFF\x00\x00\x00\xFF\x00\xFF", - "\x00\xFF\x00\x00\x00\xFF\xFF\x00", "\x00\xFF\x00\x00\x00\xFF\xFF\xFF", - "\x00\xFF\x00\x00\xFF\x00\x00\x00", "\x00\xFF\x00\x00\xFF\x00\x00\xFF", - "\x00\xFF\x00\x00\xFF\x00\xFF\x00", "\x00\xFF\x00\x00\xFF\x00\xFF\xFF", - "\x00\xFF\x00\x00\xFF\xFF\x00\x00", "\x00\xFF\x00\x00\xFF\xFF\x00\xFF", - "\x00\xFF\x00\x00\xFF\xFF\xFF\x00", "\x00\xFF\x00\x00\xFF\xFF\xFF\xFF", - "\x00\xFF\x00\xFF\x00\x00\x00\x00", "\x00\xFF\x00\xFF\x00\x00\x00\xFF", - "\x00\xFF\x00\xFF\x00\x00\xFF\x00", "\x00\xFF\x00\xFF\x00\x00\xFF\xFF", - "\x00\xFF\x00\xFF\x00\xFF\x00\x00", "\x00\xFF\x00\xFF\x00\xFF\x00\xFF", - "\x00\xFF\x00\xFF\x00\xFF\xFF\x00", "\x00\xFF\x00\xFF\x00\xFF\xFF\xFF", - "\x00\xFF\x00\xFF\xFF\x00\x00\x00", "\x00\xFF\x00\xFF\xFF\x00\x00\xFF", - "\x00\xFF\x00\xFF\xFF\x00\xFF\x00", "\x00\xFF\x00\xFF\xFF\x00\xFF\xFF", - "\x00\xFF\x00\xFF\xFF\xFF\x00\x00", "\x00\xFF\x00\xFF\xFF\xFF\x00\xFF", - "\x00\xFF\x00\xFF\xFF\xFF\xFF\x00", "\x00\xFF\x00\xFF\xFF\xFF\xFF\xFF", - "\x00\xFF\xFF\x00\x00\x00\x00\x00", "\x00\xFF\xFF\x00\x00\x00\x00\xFF", - "\x00\xFF\xFF\x00\x00\x00\xFF\x00", "\x00\xFF\xFF\x00\x00\x00\xFF\xFF", - "\x00\xFF\xFF\x00\x00\xFF\x00\x00", "\x00\xFF\xFF\x00\x00\xFF\x00\xFF", - "\x00\xFF\xFF\x00\x00\xFF\xFF\x00", "\x00\xFF\xFF\x00\x00\xFF\xFF\xFF", - "\x00\xFF\xFF\x00\xFF\x00\x00\x00", "\x00\xFF\xFF\x00\xFF\x00\x00\xFF", - "\x00\xFF\xFF\x00\xFF\x00\xFF\x00", "\x00\xFF\xFF\x00\xFF\x00\xFF\xFF", - "\x00\xFF\xFF\x00\xFF\xFF\x00\x00", "\x00\xFF\xFF\x00\xFF\xFF\x00\xFF", - "\x00\xFF\xFF\x00\xFF\xFF\xFF\x00", "\x00\xFF\xFF\x00\xFF\xFF\xFF\xFF", - "\x00\xFF\xFF\xFF\x00\x00\x00\x00", "\x00\xFF\xFF\xFF\x00\x00\x00\xFF", - "\x00\xFF\xFF\xFF\x00\x00\xFF\x00", "\x00\xFF\xFF\xFF\x00\x00\xFF\xFF", - "\x00\xFF\xFF\xFF\x00\xFF\x00\x00", "\x00\xFF\xFF\xFF\x00\xFF\x00\xFF", - "\x00\xFF\xFF\xFF\x00\xFF\xFF\x00", "\x00\xFF\xFF\xFF\x00\xFF\xFF\xFF", - "\x00\xFF\xFF\xFF\xFF\x00\x00\x00", "\x00\xFF\xFF\xFF\xFF\x00\x00\xFF", - "\x00\xFF\xFF\xFF\xFF\x00\xFF\x00", "\x00\xFF\xFF\xFF\xFF\x00\xFF\xFF", - "\x00\xFF\xFF\xFF\xFF\xFF\x00\x00", "\x00\xFF\xFF\xFF\xFF\xFF\x00\xFF", - "\x00\xFF\xFF\xFF\xFF\xFF\xFF\x00", "\x00\xFF\xFF\xFF\xFF\xFF\xFF\xFF", - "\xFF\x00\x00\x00\x00\x00\x00\x00", "\xFF\x00\x00\x00\x00\x00\x00\xFF", - "\xFF\x00\x00\x00\x00\x00\xFF\x00", "\xFF\x00\x00\x00\x00\x00\xFF\xFF", - "\xFF\x00\x00\x00\x00\xFF\x00\x00", "\xFF\x00\x00\x00\x00\xFF\x00\xFF", - "\xFF\x00\x00\x00\x00\xFF\xFF\x00", "\xFF\x00\x00\x00\x00\xFF\xFF\xFF", - "\xFF\x00\x00\x00\xFF\x00\x00\x00", "\xFF\x00\x00\x00\xFF\x00\x00\xFF", - "\xFF\x00\x00\x00\xFF\x00\xFF\x00", "\xFF\x00\x00\x00\xFF\x00\xFF\xFF", - "\xFF\x00\x00\x00\xFF\xFF\x00\x00", "\xFF\x00\x00\x00\xFF\xFF\x00\xFF", - "\xFF\x00\x00\x00\xFF\xFF\xFF\x00", "\xFF\x00\x00\x00\xFF\xFF\xFF\xFF", - "\xFF\x00\x00\xFF\x00\x00\x00\x00", "\xFF\x00\x00\xFF\x00\x00\x00\xFF", - "\xFF\x00\x00\xFF\x00\x00\xFF\x00", "\xFF\x00\x00\xFF\x00\x00\xFF\xFF", - "\xFF\x00\x00\xFF\x00\xFF\x00\x00", "\xFF\x00\x00\xFF\x00\xFF\x00\xFF", - "\xFF\x00\x00\xFF\x00\xFF\xFF\x00", "\xFF\x00\x00\xFF\x00\xFF\xFF\xFF", - "\xFF\x00\x00\xFF\xFF\x00\x00\x00", "\xFF\x00\x00\xFF\xFF\x00\x00\xFF", - "\xFF\x00\x00\xFF\xFF\x00\xFF\x00", "\xFF\x00\x00\xFF\xFF\x00\xFF\xFF", - "\xFF\x00\x00\xFF\xFF\xFF\x00\x00", "\xFF\x00\x00\xFF\xFF\xFF\x00\xFF", - "\xFF\x00\x00\xFF\xFF\xFF\xFF\x00", "\xFF\x00\x00\xFF\xFF\xFF\xFF\xFF", - "\xFF\x00\xFF\x00\x00\x00\x00\x00", "\xFF\x00\xFF\x00\x00\x00\x00\xFF", - "\xFF\x00\xFF\x00\x00\x00\xFF\x00", "\xFF\x00\xFF\x00\x00\x00\xFF\xFF", - "\xFF\x00\xFF\x00\x00\xFF\x00\x00", "\xFF\x00\xFF\x00\x00\xFF\x00\xFF", - "\xFF\x00\xFF\x00\x00\xFF\xFF\x00", "\xFF\x00\xFF\x00\x00\xFF\xFF\xFF", - "\xFF\x00\xFF\x00\xFF\x00\x00\x00", "\xFF\x00\xFF\x00\xFF\x00\x00\xFF", - "\xFF\x00\xFF\x00\xFF\x00\xFF\x00", "\xFF\x00\xFF\x00\xFF\x00\xFF\xFF", - "\xFF\x00\xFF\x00\xFF\xFF\x00\x00", "\xFF\x00\xFF\x00\xFF\xFF\x00\xFF", - "\xFF\x00\xFF\x00\xFF\xFF\xFF\x00", "\xFF\x00\xFF\x00\xFF\xFF\xFF\xFF", - "\xFF\x00\xFF\xFF\x00\x00\x00\x00", "\xFF\x00\xFF\xFF\x00\x00\x00\xFF", - "\xFF\x00\xFF\xFF\x00\x00\xFF\x00", "\xFF\x00\xFF\xFF\x00\x00\xFF\xFF", - "\xFF\x00\xFF\xFF\x00\xFF\x00\x00", "\xFF\x00\xFF\xFF\x00\xFF\x00\xFF", - "\xFF\x00\xFF\xFF\x00\xFF\xFF\x00", "\xFF\x00\xFF\xFF\x00\xFF\xFF\xFF", - "\xFF\x00\xFF\xFF\xFF\x00\x00\x00", "\xFF\x00\xFF\xFF\xFF\x00\x00\xFF", - "\xFF\x00\xFF\xFF\xFF\x00\xFF\x00", "\xFF\x00\xFF\xFF\xFF\x00\xFF\xFF", - "\xFF\x00\xFF\xFF\xFF\xFF\x00\x00", "\xFF\x00\xFF\xFF\xFF\xFF\x00\xFF", - "\xFF\x00\xFF\xFF\xFF\xFF\xFF\x00", "\xFF\x00\xFF\xFF\xFF\xFF\xFF\xFF", - "\xFF\xFF\x00\x00\x00\x00\x00\x00", "\xFF\xFF\x00\x00\x00\x00\x00\xFF", - "\xFF\xFF\x00\x00\x00\x00\xFF\x00", "\xFF\xFF\x00\x00\x00\x00\xFF\xFF", - "\xFF\xFF\x00\x00\x00\xFF\x00\x00", "\xFF\xFF\x00\x00\x00\xFF\x00\xFF", - "\xFF\xFF\x00\x00\x00\xFF\xFF\x00", "\xFF\xFF\x00\x00\x00\xFF\xFF\xFF", - "\xFF\xFF\x00\x00\xFF\x00\x00\x00", "\xFF\xFF\x00\x00\xFF\x00\x00\xFF", - "\xFF\xFF\x00\x00\xFF\x00\xFF\x00", "\xFF\xFF\x00\x00\xFF\x00\xFF\xFF", - "\xFF\xFF\x00\x00\xFF\xFF\x00\x00", "\xFF\xFF\x00\x00\xFF\xFF\x00\xFF", - "\xFF\xFF\x00\x00\xFF\xFF\xFF\x00", "\xFF\xFF\x00\x00\xFF\xFF\xFF\xFF", - "\xFF\xFF\x00\xFF\x00\x00\x00\x00", "\xFF\xFF\x00\xFF\x00\x00\x00\xFF", - "\xFF\xFF\x00\xFF\x00\x00\xFF\x00", "\xFF\xFF\x00\xFF\x00\x00\xFF\xFF", - "\xFF\xFF\x00\xFF\x00\xFF\x00\x00", "\xFF\xFF\x00\xFF\x00\xFF\x00\xFF", - "\xFF\xFF\x00\xFF\x00\xFF\xFF\x00", "\xFF\xFF\x00\xFF\x00\xFF\xFF\xFF", - "\xFF\xFF\x00\xFF\xFF\x00\x00\x00", "\xFF\xFF\x00\xFF\xFF\x00\x00\xFF", - "\xFF\xFF\x00\xFF\xFF\x00\xFF\x00", "\xFF\xFF\x00\xFF\xFF\x00\xFF\xFF", - "\xFF\xFF\x00\xFF\xFF\xFF\x00\x00", "\xFF\xFF\x00\xFF\xFF\xFF\x00\xFF", - "\xFF\xFF\x00\xFF\xFF\xFF\xFF\x00", "\xFF\xFF\x00\xFF\xFF\xFF\xFF\xFF", - "\xFF\xFF\xFF\x00\x00\x00\x00\x00", "\xFF\xFF\xFF\x00\x00\x00\x00\xFF", - "\xFF\xFF\xFF\x00\x00\x00\xFF\x00", "\xFF\xFF\xFF\x00\x00\x00\xFF\xFF", - "\xFF\xFF\xFF\x00\x00\xFF\x00\x00", "\xFF\xFF\xFF\x00\x00\xFF\x00\xFF", - "\xFF\xFF\xFF\x00\x00\xFF\xFF\x00", "\xFF\xFF\xFF\x00\x00\xFF\xFF\xFF", - "\xFF\xFF\xFF\x00\xFF\x00\x00\x00", "\xFF\xFF\xFF\x00\xFF\x00\x00\xFF", - "\xFF\xFF\xFF\x00\xFF\x00\xFF\x00", "\xFF\xFF\xFF\x00\xFF\x00\xFF\xFF", - "\xFF\xFF\xFF\x00\xFF\xFF\x00\x00", "\xFF\xFF\xFF\x00\xFF\xFF\x00\xFF", - "\xFF\xFF\xFF\x00\xFF\xFF\xFF\x00", "\xFF\xFF\xFF\x00\xFF\xFF\xFF\xFF", - "\xFF\xFF\xFF\xFF\x00\x00\x00\x00", "\xFF\xFF\xFF\xFF\x00\x00\x00\xFF", - "\xFF\xFF\xFF\xFF\x00\x00\xFF\x00", "\xFF\xFF\xFF\xFF\x00\x00\xFF\xFF", - "\xFF\xFF\xFF\xFF\x00\xFF\x00\x00", "\xFF\xFF\xFF\xFF\x00\xFF\x00\xFF", - "\xFF\xFF\xFF\xFF\x00\xFF\xFF\x00", "\xFF\xFF\xFF\xFF\x00\xFF\xFF\xFF", - "\xFF\xFF\xFF\xFF\xFF\x00\x00\x00", "\xFF\xFF\xFF\xFF\xFF\x00\x00\xFF", - "\xFF\xFF\xFF\xFF\xFF\x00\xFF\x00", "\xFF\xFF\xFF\xFF\xFF\x00\xFF\xFF", - "\xFF\xFF\xFF\xFF\xFF\xFF\x00\x00", "\xFF\xFF\xFF\xFF\xFF\xFF\x00\xFF", - "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x00", "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF" - ); - - /** - * IP mapping helper table. - * - * Indexing this table with each source byte performs the initial bit permutation. - * - * @var array - * @access private - */ - var $ipmap = array( - 0x00, 0x10, 0x01, 0x11, 0x20, 0x30, 0x21, 0x31, - 0x02, 0x12, 0x03, 0x13, 0x22, 0x32, 0x23, 0x33, - 0x40, 0x50, 0x41, 0x51, 0x60, 0x70, 0x61, 0x71, - 0x42, 0x52, 0x43, 0x53, 0x62, 0x72, 0x63, 0x73, - 0x04, 0x14, 0x05, 0x15, 0x24, 0x34, 0x25, 0x35, - 0x06, 0x16, 0x07, 0x17, 0x26, 0x36, 0x27, 0x37, - 0x44, 0x54, 0x45, 0x55, 0x64, 0x74, 0x65, 0x75, - 0x46, 0x56, 0x47, 0x57, 0x66, 0x76, 0x67, 0x77, - 0x80, 0x90, 0x81, 0x91, 0xA0, 0xB0, 0xA1, 0xB1, - 0x82, 0x92, 0x83, 0x93, 0xA2, 0xB2, 0xA3, 0xB3, - 0xC0, 0xD0, 0xC1, 0xD1, 0xE0, 0xF0, 0xE1, 0xF1, - 0xC2, 0xD2, 0xC3, 0xD3, 0xE2, 0xF2, 0xE3, 0xF3, - 0x84, 0x94, 0x85, 0x95, 0xA4, 0xB4, 0xA5, 0xB5, - 0x86, 0x96, 0x87, 0x97, 0xA6, 0xB6, 0xA7, 0xB7, - 0xC4, 0xD4, 0xC5, 0xD5, 0xE4, 0xF4, 0xE5, 0xF5, - 0xC6, 0xD6, 0xC7, 0xD7, 0xE6, 0xF6, 0xE7, 0xF7, - 0x08, 0x18, 0x09, 0x19, 0x28, 0x38, 0x29, 0x39, - 0x0A, 0x1A, 0x0B, 0x1B, 0x2A, 0x3A, 0x2B, 0x3B, - 0x48, 0x58, 0x49, 0x59, 0x68, 0x78, 0x69, 0x79, - 0x4A, 0x5A, 0x4B, 0x5B, 0x6A, 0x7A, 0x6B, 0x7B, - 0x0C, 0x1C, 0x0D, 0x1D, 0x2C, 0x3C, 0x2D, 0x3D, - 0x0E, 0x1E, 0x0F, 0x1F, 0x2E, 0x3E, 0x2F, 0x3F, - 0x4C, 0x5C, 0x4D, 0x5D, 0x6C, 0x7C, 0x6D, 0x7D, - 0x4E, 0x5E, 0x4F, 0x5F, 0x6E, 0x7E, 0x6F, 0x7F, - 0x88, 0x98, 0x89, 0x99, 0xA8, 0xB8, 0xA9, 0xB9, - 0x8A, 0x9A, 0x8B, 0x9B, 0xAA, 0xBA, 0xAB, 0xBB, - 0xC8, 0xD8, 0xC9, 0xD9, 0xE8, 0xF8, 0xE9, 0xF9, - 0xCA, 0xDA, 0xCB, 0xDB, 0xEA, 0xFA, 0xEB, 0xFB, - 0x8C, 0x9C, 0x8D, 0x9D, 0xAC, 0xBC, 0xAD, 0xBD, - 0x8E, 0x9E, 0x8F, 0x9F, 0xAE, 0xBE, 0xAF, 0xBF, - 0xCC, 0xDC, 0xCD, 0xDD, 0xEC, 0xFC, 0xED, 0xFD, - 0xCE, 0xDE, 0xCF, 0xDF, 0xEE, 0xFE, 0xEF, 0xFF - ); - - /** - * Inverse IP mapping helper table. - * Indexing this table with a byte value reverses the bit order. - * - * @var array - * @access private - */ - var $invipmap = array( - 0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, - 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0, - 0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, - 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8, - 0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4, - 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4, - 0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, - 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC, - 0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2, - 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2, - 0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA, - 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA, - 0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6, - 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6, - 0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE, - 0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE, - 0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1, - 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1, - 0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9, - 0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9, - 0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5, - 0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5, - 0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED, - 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD, - 0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3, - 0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3, - 0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB, - 0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB, - 0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7, - 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7, - 0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF, - 0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF - ); - - /** - * Pre-permuted S-box1 - * - * Each box ($sbox1-$sbox8) has been vectorized, then each value pre-permuted using the - * P table: concatenation can then be replaced by exclusive ORs. - * - * @var array - * @access private - */ - var $sbox1 = array( - 0x00808200, 0x00000000, 0x00008000, 0x00808202, - 0x00808002, 0x00008202, 0x00000002, 0x00008000, - 0x00000200, 0x00808200, 0x00808202, 0x00000200, - 0x00800202, 0x00808002, 0x00800000, 0x00000002, - 0x00000202, 0x00800200, 0x00800200, 0x00008200, - 0x00008200, 0x00808000, 0x00808000, 0x00800202, - 0x00008002, 0x00800002, 0x00800002, 0x00008002, - 0x00000000, 0x00000202, 0x00008202, 0x00800000, - 0x00008000, 0x00808202, 0x00000002, 0x00808000, - 0x00808200, 0x00800000, 0x00800000, 0x00000200, - 0x00808002, 0x00008000, 0x00008200, 0x00800002, - 0x00000200, 0x00000002, 0x00800202, 0x00008202, - 0x00808202, 0x00008002, 0x00808000, 0x00800202, - 0x00800002, 0x00000202, 0x00008202, 0x00808200, - 0x00000202, 0x00800200, 0x00800200, 0x00000000, - 0x00008002, 0x00008200, 0x00000000, 0x00808002 - ); - - /** - * Pre-permuted S-box2 - * - * @var array - * @access private - */ - var $sbox2 = array( - 0x40084010, 0x40004000, 0x00004000, 0x00084010, - 0x00080000, 0x00000010, 0x40080010, 0x40004010, - 0x40000010, 0x40084010, 0x40084000, 0x40000000, - 0x40004000, 0x00080000, 0x00000010, 0x40080010, - 0x00084000, 0x00080010, 0x40004010, 0x00000000, - 0x40000000, 0x00004000, 0x00084010, 0x40080000, - 0x00080010, 0x40000010, 0x00000000, 0x00084000, - 0x00004010, 0x40084000, 0x40080000, 0x00004010, - 0x00000000, 0x00084010, 0x40080010, 0x00080000, - 0x40004010, 0x40080000, 0x40084000, 0x00004000, - 0x40080000, 0x40004000, 0x00000010, 0x40084010, - 0x00084010, 0x00000010, 0x00004000, 0x40000000, - 0x00004010, 0x40084000, 0x00080000, 0x40000010, - 0x00080010, 0x40004010, 0x40000010, 0x00080010, - 0x00084000, 0x00000000, 0x40004000, 0x00004010, - 0x40000000, 0x40080010, 0x40084010, 0x00084000 - ); - - /** - * Pre-permuted S-box3 - * - * @var array - * @access private - */ - var $sbox3 = array( - 0x00000104, 0x04010100, 0x00000000, 0x04010004, - 0x04000100, 0x00000000, 0x00010104, 0x04000100, - 0x00010004, 0x04000004, 0x04000004, 0x00010000, - 0x04010104, 0x00010004, 0x04010000, 0x00000104, - 0x04000000, 0x00000004, 0x04010100, 0x00000100, - 0x00010100, 0x04010000, 0x04010004, 0x00010104, - 0x04000104, 0x00010100, 0x00010000, 0x04000104, - 0x00000004, 0x04010104, 0x00000100, 0x04000000, - 0x04010100, 0x04000000, 0x00010004, 0x00000104, - 0x00010000, 0x04010100, 0x04000100, 0x00000000, - 0x00000100, 0x00010004, 0x04010104, 0x04000100, - 0x04000004, 0x00000100, 0x00000000, 0x04010004, - 0x04000104, 0x00010000, 0x04000000, 0x04010104, - 0x00000004, 0x00010104, 0x00010100, 0x04000004, - 0x04010000, 0x04000104, 0x00000104, 0x04010000, - 0x00010104, 0x00000004, 0x04010004, 0x00010100 - ); - - /** - * Pre-permuted S-box4 - * - * @var array - * @access private - */ - var $sbox4 = array( - 0x80401000, 0x80001040, 0x80001040, 0x00000040, - 0x00401040, 0x80400040, 0x80400000, 0x80001000, - 0x00000000, 0x00401000, 0x00401000, 0x80401040, - 0x80000040, 0x00000000, 0x00400040, 0x80400000, - 0x80000000, 0x00001000, 0x00400000, 0x80401000, - 0x00000040, 0x00400000, 0x80001000, 0x00001040, - 0x80400040, 0x80000000, 0x00001040, 0x00400040, - 0x00001000, 0x00401040, 0x80401040, 0x80000040, - 0x00400040, 0x80400000, 0x00401000, 0x80401040, - 0x80000040, 0x00000000, 0x00000000, 0x00401000, - 0x00001040, 0x00400040, 0x80400040, 0x80000000, - 0x80401000, 0x80001040, 0x80001040, 0x00000040, - 0x80401040, 0x80000040, 0x80000000, 0x00001000, - 0x80400000, 0x80001000, 0x00401040, 0x80400040, - 0x80001000, 0x00001040, 0x00400000, 0x80401000, - 0x00000040, 0x00400000, 0x00001000, 0x00401040 - ); - - /** - * Pre-permuted S-box5 - * - * @var array - * @access private - */ - var $sbox5 = array( - 0x00000080, 0x01040080, 0x01040000, 0x21000080, - 0x00040000, 0x00000080, 0x20000000, 0x01040000, - 0x20040080, 0x00040000, 0x01000080, 0x20040080, - 0x21000080, 0x21040000, 0x00040080, 0x20000000, - 0x01000000, 0x20040000, 0x20040000, 0x00000000, - 0x20000080, 0x21040080, 0x21040080, 0x01000080, - 0x21040000, 0x20000080, 0x00000000, 0x21000000, - 0x01040080, 0x01000000, 0x21000000, 0x00040080, - 0x00040000, 0x21000080, 0x00000080, 0x01000000, - 0x20000000, 0x01040000, 0x21000080, 0x20040080, - 0x01000080, 0x20000000, 0x21040000, 0x01040080, - 0x20040080, 0x00000080, 0x01000000, 0x21040000, - 0x21040080, 0x00040080, 0x21000000, 0x21040080, - 0x01040000, 0x00000000, 0x20040000, 0x21000000, - 0x00040080, 0x01000080, 0x20000080, 0x00040000, - 0x00000000, 0x20040000, 0x01040080, 0x20000080 - ); - - /** - * Pre-permuted S-box6 - * - * @var array - * @access private - */ - var $sbox6 = array( - 0x10000008, 0x10200000, 0x00002000, 0x10202008, - 0x10200000, 0x00000008, 0x10202008, 0x00200000, - 0x10002000, 0x00202008, 0x00200000, 0x10000008, - 0x00200008, 0x10002000, 0x10000000, 0x00002008, - 0x00000000, 0x00200008, 0x10002008, 0x00002000, - 0x00202000, 0x10002008, 0x00000008, 0x10200008, - 0x10200008, 0x00000000, 0x00202008, 0x10202000, - 0x00002008, 0x00202000, 0x10202000, 0x10000000, - 0x10002000, 0x00000008, 0x10200008, 0x00202000, - 0x10202008, 0x00200000, 0x00002008, 0x10000008, - 0x00200000, 0x10002000, 0x10000000, 0x00002008, - 0x10000008, 0x10202008, 0x00202000, 0x10200000, - 0x00202008, 0x10202000, 0x00000000, 0x10200008, - 0x00000008, 0x00002000, 0x10200000, 0x00202008, - 0x00002000, 0x00200008, 0x10002008, 0x00000000, - 0x10202000, 0x10000000, 0x00200008, 0x10002008 - ); - - /** - * Pre-permuted S-box7 - * - * @var array - * @access private - */ - var $sbox7 = array( - 0x00100000, 0x02100001, 0x02000401, 0x00000000, - 0x00000400, 0x02000401, 0x00100401, 0x02100400, - 0x02100401, 0x00100000, 0x00000000, 0x02000001, - 0x00000001, 0x02000000, 0x02100001, 0x00000401, - 0x02000400, 0x00100401, 0x00100001, 0x02000400, - 0x02000001, 0x02100000, 0x02100400, 0x00100001, - 0x02100000, 0x00000400, 0x00000401, 0x02100401, - 0x00100400, 0x00000001, 0x02000000, 0x00100400, - 0x02000000, 0x00100400, 0x00100000, 0x02000401, - 0x02000401, 0x02100001, 0x02100001, 0x00000001, - 0x00100001, 0x02000000, 0x02000400, 0x00100000, - 0x02100400, 0x00000401, 0x00100401, 0x02100400, - 0x00000401, 0x02000001, 0x02100401, 0x02100000, - 0x00100400, 0x00000000, 0x00000001, 0x02100401, - 0x00000000, 0x00100401, 0x02100000, 0x00000400, - 0x02000001, 0x02000400, 0x00000400, 0x00100001 - ); - - /** - * Pre-permuted S-box8 - * - * @var array - * @access private - */ - var $sbox8 = array( - 0x08000820, 0x00000800, 0x00020000, 0x08020820, - 0x08000000, 0x08000820, 0x00000020, 0x08000000, - 0x00020020, 0x08020000, 0x08020820, 0x00020800, - 0x08020800, 0x00020820, 0x00000800, 0x00000020, - 0x08020000, 0x08000020, 0x08000800, 0x00000820, - 0x00020800, 0x00020020, 0x08020020, 0x08020800, - 0x00000820, 0x00000000, 0x00000000, 0x08020020, - 0x08000020, 0x08000800, 0x00020820, 0x00020000, - 0x00020820, 0x00020000, 0x08020800, 0x00000800, - 0x00000020, 0x08020020, 0x00000800, 0x00020820, - 0x08000800, 0x00000020, 0x08000020, 0x08020000, - 0x08020020, 0x08000000, 0x00020000, 0x08000820, - 0x00000000, 0x08020820, 0x00020020, 0x08000020, - 0x08020000, 0x08000800, 0x08000820, 0x00000000, - 0x08020820, 0x00020800, 0x00020800, 0x00000820, - 0x00000820, 0x00020020, 0x08000000, 0x08020800 - ); - - /** - * Test for engine validity - * - * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Base::isValidEngine() - * - * @see \phpseclib\Crypt\Base::isValidEngine() - * @param int $engine - * @access public - * @return bool - */ - function isValidEngine($engine) - { - if ($this->key_length_max == 8) { - if ($engine == self::ENGINE_OPENSSL) { - $this->cipher_name_openssl_ecb = 'des-ecb'; - $this->cipher_name_openssl = 'des-' . $this->_openssl_translate_mode(); - } - } - - return parent::isValidEngine($engine); - } - - /** - * Sets the key. - * - * Keys can be of any length. DES, itself, uses 64-bit keys (eg. strlen($key) == 8), however, we - * only use the first eight, if $key has more then eight characters in it, and pad $key with the - * null byte if it is less then eight characters long. - * - * DES also requires that every eighth bit be a parity bit, however, we'll ignore that. - * - * If the key is not explicitly set, it'll be assumed to be all zero's. - * - * @see \phpseclib\Crypt\Base::setKey() - * @access public - * @param string $key - */ - function setKey($key) - { - // We check/cut here only up to max length of the key. - // Key padding to the proper length will be done in _setupKey() - if (strlen($key) > $this->key_length_max) { - $key = substr($key, 0, $this->key_length_max); - } - - // Sets the key - parent::setKey($key); - } - - /** - * Encrypts a block - * - * @see \phpseclib\Crypt\Base::_encryptBlock() - * @see \phpseclib\Crypt\Base::encrypt() - * @see self::encrypt() - * @access private - * @param string $in - * @return string - */ - function _encryptBlock($in) - { - return $this->_processBlock($in, self::ENCRYPT); - } - - /** - * Decrypts a block - * - * @see \phpseclib\Crypt\Base::_decryptBlock() - * @see \phpseclib\Crypt\Base::decrypt() - * @see self::decrypt() - * @access private - * @param string $in - * @return string - */ - function _decryptBlock($in) - { - return $this->_processBlock($in, self::DECRYPT); - } - - /** - * Encrypts or decrypts a 64-bit block - * - * $mode should be either self::ENCRYPT or self::DECRYPT. See - * {@link http://en.wikipedia.org/wiki/Image:Feistel.png Feistel.png} to get a general - * idea of what this function does. - * - * @see self::_encryptBlock() - * @see self::_decryptBlock() - * @access private - * @param string $block - * @param int $mode - * @return string - */ - function _processBlock($block, $mode) - { - static $sbox1, $sbox2, $sbox3, $sbox4, $sbox5, $sbox6, $sbox7, $sbox8, $shuffleip, $shuffleinvip; - if (!$sbox1) { - $sbox1 = array_map("intval", $this->sbox1); - $sbox2 = array_map("intval", $this->sbox2); - $sbox3 = array_map("intval", $this->sbox3); - $sbox4 = array_map("intval", $this->sbox4); - $sbox5 = array_map("intval", $this->sbox5); - $sbox6 = array_map("intval", $this->sbox6); - $sbox7 = array_map("intval", $this->sbox7); - $sbox8 = array_map("intval", $this->sbox8); - /* Merge $shuffle with $[inv]ipmap */ - for ($i = 0; $i < 256; ++$i) { - $shuffleip[] = $this->shuffle[$this->ipmap[$i]]; - $shuffleinvip[] = $this->shuffle[$this->invipmap[$i]]; - } - } - - $keys = $this->keys[$mode]; - $ki = -1; - - // Do the initial IP permutation. - $t = unpack('Nl/Nr', $block); - list($l, $r) = array($t['l'], $t['r']); - $block = ($shuffleip[ $r & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") | - ($shuffleip[($r >> 8) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") | - ($shuffleip[($r >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") | - ($shuffleip[($r >> 24) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") | - ($shuffleip[ $l & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") | - ($shuffleip[($l >> 8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") | - ($shuffleip[($l >> 16) & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") | - ($shuffleip[($l >> 24) & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01"); - - // Extract L0 and R0. - $t = unpack('Nl/Nr', $block); - list($l, $r) = array($t['l'], $t['r']); - - for ($des_round = 0; $des_round < $this->des_rounds; ++$des_round) { - // Perform the 16 steps. - for ($i = 0; $i < 16; $i++) { - // start of "the Feistel (F) function" - see the following URL: - // http://en.wikipedia.org/wiki/Image:Data_Encryption_Standard_InfoBox_Diagram.png - // Merge key schedule. - $b1 = (($r >> 3) & 0x1FFFFFFF) ^ ($r << 29) ^ $keys[++$ki]; - $b2 = (($r >> 31) & 0x00000001) ^ ($r << 1) ^ $keys[++$ki]; - - // S-box indexing. - $t = $sbox1[($b1 >> 24) & 0x3F] ^ $sbox2[($b2 >> 24) & 0x3F] ^ - $sbox3[($b1 >> 16) & 0x3F] ^ $sbox4[($b2 >> 16) & 0x3F] ^ - $sbox5[($b1 >> 8) & 0x3F] ^ $sbox6[($b2 >> 8) & 0x3F] ^ - $sbox7[ $b1 & 0x3F] ^ $sbox8[ $b2 & 0x3F] ^ $l; - // end of "the Feistel (F) function" - - $l = $r; - $r = $t; - } - - // Last step should not permute L & R. - $t = $l; - $l = $r; - $r = $t; - } - - // Perform the inverse IP permutation. - return ($shuffleinvip[($r >> 24) & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") | - ($shuffleinvip[($l >> 24) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") | - ($shuffleinvip[($r >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") | - ($shuffleinvip[($l >> 16) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") | - ($shuffleinvip[($r >> 8) & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") | - ($shuffleinvip[($l >> 8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") | - ($shuffleinvip[ $r & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") | - ($shuffleinvip[ $l & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01"); - } - - /** - * Creates the key schedule - * - * @see \phpseclib\Crypt\Base::_setupKey() - * @access private - */ - function _setupKey() - { - if (isset($this->kl['key']) && $this->key === $this->kl['key'] && $this->des_rounds === $this->kl['des_rounds']) { - // already expanded - return; - } - $this->kl = array('key' => $this->key, 'des_rounds' => $this->des_rounds); - - static $shifts = array( // number of key bits shifted per round - 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1 - ); - - static $pc1map = array( - 0x00, 0x00, 0x08, 0x08, 0x04, 0x04, 0x0C, 0x0C, - 0x02, 0x02, 0x0A, 0x0A, 0x06, 0x06, 0x0E, 0x0E, - 0x10, 0x10, 0x18, 0x18, 0x14, 0x14, 0x1C, 0x1C, - 0x12, 0x12, 0x1A, 0x1A, 0x16, 0x16, 0x1E, 0x1E, - 0x20, 0x20, 0x28, 0x28, 0x24, 0x24, 0x2C, 0x2C, - 0x22, 0x22, 0x2A, 0x2A, 0x26, 0x26, 0x2E, 0x2E, - 0x30, 0x30, 0x38, 0x38, 0x34, 0x34, 0x3C, 0x3C, - 0x32, 0x32, 0x3A, 0x3A, 0x36, 0x36, 0x3E, 0x3E, - 0x40, 0x40, 0x48, 0x48, 0x44, 0x44, 0x4C, 0x4C, - 0x42, 0x42, 0x4A, 0x4A, 0x46, 0x46, 0x4E, 0x4E, - 0x50, 0x50, 0x58, 0x58, 0x54, 0x54, 0x5C, 0x5C, - 0x52, 0x52, 0x5A, 0x5A, 0x56, 0x56, 0x5E, 0x5E, - 0x60, 0x60, 0x68, 0x68, 0x64, 0x64, 0x6C, 0x6C, - 0x62, 0x62, 0x6A, 0x6A, 0x66, 0x66, 0x6E, 0x6E, - 0x70, 0x70, 0x78, 0x78, 0x74, 0x74, 0x7C, 0x7C, - 0x72, 0x72, 0x7A, 0x7A, 0x76, 0x76, 0x7E, 0x7E, - 0x80, 0x80, 0x88, 0x88, 0x84, 0x84, 0x8C, 0x8C, - 0x82, 0x82, 0x8A, 0x8A, 0x86, 0x86, 0x8E, 0x8E, - 0x90, 0x90, 0x98, 0x98, 0x94, 0x94, 0x9C, 0x9C, - 0x92, 0x92, 0x9A, 0x9A, 0x96, 0x96, 0x9E, 0x9E, - 0xA0, 0xA0, 0xA8, 0xA8, 0xA4, 0xA4, 0xAC, 0xAC, - 0xA2, 0xA2, 0xAA, 0xAA, 0xA6, 0xA6, 0xAE, 0xAE, - 0xB0, 0xB0, 0xB8, 0xB8, 0xB4, 0xB4, 0xBC, 0xBC, - 0xB2, 0xB2, 0xBA, 0xBA, 0xB6, 0xB6, 0xBE, 0xBE, - 0xC0, 0xC0, 0xC8, 0xC8, 0xC4, 0xC4, 0xCC, 0xCC, - 0xC2, 0xC2, 0xCA, 0xCA, 0xC6, 0xC6, 0xCE, 0xCE, - 0xD0, 0xD0, 0xD8, 0xD8, 0xD4, 0xD4, 0xDC, 0xDC, - 0xD2, 0xD2, 0xDA, 0xDA, 0xD6, 0xD6, 0xDE, 0xDE, - 0xE0, 0xE0, 0xE8, 0xE8, 0xE4, 0xE4, 0xEC, 0xEC, - 0xE2, 0xE2, 0xEA, 0xEA, 0xE6, 0xE6, 0xEE, 0xEE, - 0xF0, 0xF0, 0xF8, 0xF8, 0xF4, 0xF4, 0xFC, 0xFC, - 0xF2, 0xF2, 0xFA, 0xFA, 0xF6, 0xF6, 0xFE, 0xFE - ); - - // Mapping tables for the PC-2 transformation. - static $pc2mapc1 = array( - 0x00000000, 0x00000400, 0x00200000, 0x00200400, - 0x00000001, 0x00000401, 0x00200001, 0x00200401, - 0x02000000, 0x02000400, 0x02200000, 0x02200400, - 0x02000001, 0x02000401, 0x02200001, 0x02200401 - ); - static $pc2mapc2 = array( - 0x00000000, 0x00000800, 0x08000000, 0x08000800, - 0x00010000, 0x00010800, 0x08010000, 0x08010800, - 0x00000000, 0x00000800, 0x08000000, 0x08000800, - 0x00010000, 0x00010800, 0x08010000, 0x08010800, - 0x00000100, 0x00000900, 0x08000100, 0x08000900, - 0x00010100, 0x00010900, 0x08010100, 0x08010900, - 0x00000100, 0x00000900, 0x08000100, 0x08000900, - 0x00010100, 0x00010900, 0x08010100, 0x08010900, - 0x00000010, 0x00000810, 0x08000010, 0x08000810, - 0x00010010, 0x00010810, 0x08010010, 0x08010810, - 0x00000010, 0x00000810, 0x08000010, 0x08000810, - 0x00010010, 0x00010810, 0x08010010, 0x08010810, - 0x00000110, 0x00000910, 0x08000110, 0x08000910, - 0x00010110, 0x00010910, 0x08010110, 0x08010910, - 0x00000110, 0x00000910, 0x08000110, 0x08000910, - 0x00010110, 0x00010910, 0x08010110, 0x08010910, - 0x00040000, 0x00040800, 0x08040000, 0x08040800, - 0x00050000, 0x00050800, 0x08050000, 0x08050800, - 0x00040000, 0x00040800, 0x08040000, 0x08040800, - 0x00050000, 0x00050800, 0x08050000, 0x08050800, - 0x00040100, 0x00040900, 0x08040100, 0x08040900, - 0x00050100, 0x00050900, 0x08050100, 0x08050900, - 0x00040100, 0x00040900, 0x08040100, 0x08040900, - 0x00050100, 0x00050900, 0x08050100, 0x08050900, - 0x00040010, 0x00040810, 0x08040010, 0x08040810, - 0x00050010, 0x00050810, 0x08050010, 0x08050810, - 0x00040010, 0x00040810, 0x08040010, 0x08040810, - 0x00050010, 0x00050810, 0x08050010, 0x08050810, - 0x00040110, 0x00040910, 0x08040110, 0x08040910, - 0x00050110, 0x00050910, 0x08050110, 0x08050910, - 0x00040110, 0x00040910, 0x08040110, 0x08040910, - 0x00050110, 0x00050910, 0x08050110, 0x08050910, - 0x01000000, 0x01000800, 0x09000000, 0x09000800, - 0x01010000, 0x01010800, 0x09010000, 0x09010800, - 0x01000000, 0x01000800, 0x09000000, 0x09000800, - 0x01010000, 0x01010800, 0x09010000, 0x09010800, - 0x01000100, 0x01000900, 0x09000100, 0x09000900, - 0x01010100, 0x01010900, 0x09010100, 0x09010900, - 0x01000100, 0x01000900, 0x09000100, 0x09000900, - 0x01010100, 0x01010900, 0x09010100, 0x09010900, - 0x01000010, 0x01000810, 0x09000010, 0x09000810, - 0x01010010, 0x01010810, 0x09010010, 0x09010810, - 0x01000010, 0x01000810, 0x09000010, 0x09000810, - 0x01010010, 0x01010810, 0x09010010, 0x09010810, - 0x01000110, 0x01000910, 0x09000110, 0x09000910, - 0x01010110, 0x01010910, 0x09010110, 0x09010910, - 0x01000110, 0x01000910, 0x09000110, 0x09000910, - 0x01010110, 0x01010910, 0x09010110, 0x09010910, - 0x01040000, 0x01040800, 0x09040000, 0x09040800, - 0x01050000, 0x01050800, 0x09050000, 0x09050800, - 0x01040000, 0x01040800, 0x09040000, 0x09040800, - 0x01050000, 0x01050800, 0x09050000, 0x09050800, - 0x01040100, 0x01040900, 0x09040100, 0x09040900, - 0x01050100, 0x01050900, 0x09050100, 0x09050900, - 0x01040100, 0x01040900, 0x09040100, 0x09040900, - 0x01050100, 0x01050900, 0x09050100, 0x09050900, - 0x01040010, 0x01040810, 0x09040010, 0x09040810, - 0x01050010, 0x01050810, 0x09050010, 0x09050810, - 0x01040010, 0x01040810, 0x09040010, 0x09040810, - 0x01050010, 0x01050810, 0x09050010, 0x09050810, - 0x01040110, 0x01040910, 0x09040110, 0x09040910, - 0x01050110, 0x01050910, 0x09050110, 0x09050910, - 0x01040110, 0x01040910, 0x09040110, 0x09040910, - 0x01050110, 0x01050910, 0x09050110, 0x09050910 - ); - static $pc2mapc3 = array( - 0x00000000, 0x00000004, 0x00001000, 0x00001004, - 0x00000000, 0x00000004, 0x00001000, 0x00001004, - 0x10000000, 0x10000004, 0x10001000, 0x10001004, - 0x10000000, 0x10000004, 0x10001000, 0x10001004, - 0x00000020, 0x00000024, 0x00001020, 0x00001024, - 0x00000020, 0x00000024, 0x00001020, 0x00001024, - 0x10000020, 0x10000024, 0x10001020, 0x10001024, - 0x10000020, 0x10000024, 0x10001020, 0x10001024, - 0x00080000, 0x00080004, 0x00081000, 0x00081004, - 0x00080000, 0x00080004, 0x00081000, 0x00081004, - 0x10080000, 0x10080004, 0x10081000, 0x10081004, - 0x10080000, 0x10080004, 0x10081000, 0x10081004, - 0x00080020, 0x00080024, 0x00081020, 0x00081024, - 0x00080020, 0x00080024, 0x00081020, 0x00081024, - 0x10080020, 0x10080024, 0x10081020, 0x10081024, - 0x10080020, 0x10080024, 0x10081020, 0x10081024, - 0x20000000, 0x20000004, 0x20001000, 0x20001004, - 0x20000000, 0x20000004, 0x20001000, 0x20001004, - 0x30000000, 0x30000004, 0x30001000, 0x30001004, - 0x30000000, 0x30000004, 0x30001000, 0x30001004, - 0x20000020, 0x20000024, 0x20001020, 0x20001024, - 0x20000020, 0x20000024, 0x20001020, 0x20001024, - 0x30000020, 0x30000024, 0x30001020, 0x30001024, - 0x30000020, 0x30000024, 0x30001020, 0x30001024, - 0x20080000, 0x20080004, 0x20081000, 0x20081004, - 0x20080000, 0x20080004, 0x20081000, 0x20081004, - 0x30080000, 0x30080004, 0x30081000, 0x30081004, - 0x30080000, 0x30080004, 0x30081000, 0x30081004, - 0x20080020, 0x20080024, 0x20081020, 0x20081024, - 0x20080020, 0x20080024, 0x20081020, 0x20081024, - 0x30080020, 0x30080024, 0x30081020, 0x30081024, - 0x30080020, 0x30080024, 0x30081020, 0x30081024, - 0x00000002, 0x00000006, 0x00001002, 0x00001006, - 0x00000002, 0x00000006, 0x00001002, 0x00001006, - 0x10000002, 0x10000006, 0x10001002, 0x10001006, - 0x10000002, 0x10000006, 0x10001002, 0x10001006, - 0x00000022, 0x00000026, 0x00001022, 0x00001026, - 0x00000022, 0x00000026, 0x00001022, 0x00001026, - 0x10000022, 0x10000026, 0x10001022, 0x10001026, - 0x10000022, 0x10000026, 0x10001022, 0x10001026, - 0x00080002, 0x00080006, 0x00081002, 0x00081006, - 0x00080002, 0x00080006, 0x00081002, 0x00081006, - 0x10080002, 0x10080006, 0x10081002, 0x10081006, - 0x10080002, 0x10080006, 0x10081002, 0x10081006, - 0x00080022, 0x00080026, 0x00081022, 0x00081026, - 0x00080022, 0x00080026, 0x00081022, 0x00081026, - 0x10080022, 0x10080026, 0x10081022, 0x10081026, - 0x10080022, 0x10080026, 0x10081022, 0x10081026, - 0x20000002, 0x20000006, 0x20001002, 0x20001006, - 0x20000002, 0x20000006, 0x20001002, 0x20001006, - 0x30000002, 0x30000006, 0x30001002, 0x30001006, - 0x30000002, 0x30000006, 0x30001002, 0x30001006, - 0x20000022, 0x20000026, 0x20001022, 0x20001026, - 0x20000022, 0x20000026, 0x20001022, 0x20001026, - 0x30000022, 0x30000026, 0x30001022, 0x30001026, - 0x30000022, 0x30000026, 0x30001022, 0x30001026, - 0x20080002, 0x20080006, 0x20081002, 0x20081006, - 0x20080002, 0x20080006, 0x20081002, 0x20081006, - 0x30080002, 0x30080006, 0x30081002, 0x30081006, - 0x30080002, 0x30080006, 0x30081002, 0x30081006, - 0x20080022, 0x20080026, 0x20081022, 0x20081026, - 0x20080022, 0x20080026, 0x20081022, 0x20081026, - 0x30080022, 0x30080026, 0x30081022, 0x30081026, - 0x30080022, 0x30080026, 0x30081022, 0x30081026 - ); - static $pc2mapc4 = array( - 0x00000000, 0x00100000, 0x00000008, 0x00100008, - 0x00000200, 0x00100200, 0x00000208, 0x00100208, - 0x00000000, 0x00100000, 0x00000008, 0x00100008, - 0x00000200, 0x00100200, 0x00000208, 0x00100208, - 0x04000000, 0x04100000, 0x04000008, 0x04100008, - 0x04000200, 0x04100200, 0x04000208, 0x04100208, - 0x04000000, 0x04100000, 0x04000008, 0x04100008, - 0x04000200, 0x04100200, 0x04000208, 0x04100208, - 0x00002000, 0x00102000, 0x00002008, 0x00102008, - 0x00002200, 0x00102200, 0x00002208, 0x00102208, - 0x00002000, 0x00102000, 0x00002008, 0x00102008, - 0x00002200, 0x00102200, 0x00002208, 0x00102208, - 0x04002000, 0x04102000, 0x04002008, 0x04102008, - 0x04002200, 0x04102200, 0x04002208, 0x04102208, - 0x04002000, 0x04102000, 0x04002008, 0x04102008, - 0x04002200, 0x04102200, 0x04002208, 0x04102208, - 0x00000000, 0x00100000, 0x00000008, 0x00100008, - 0x00000200, 0x00100200, 0x00000208, 0x00100208, - 0x00000000, 0x00100000, 0x00000008, 0x00100008, - 0x00000200, 0x00100200, 0x00000208, 0x00100208, - 0x04000000, 0x04100000, 0x04000008, 0x04100008, - 0x04000200, 0x04100200, 0x04000208, 0x04100208, - 0x04000000, 0x04100000, 0x04000008, 0x04100008, - 0x04000200, 0x04100200, 0x04000208, 0x04100208, - 0x00002000, 0x00102000, 0x00002008, 0x00102008, - 0x00002200, 0x00102200, 0x00002208, 0x00102208, - 0x00002000, 0x00102000, 0x00002008, 0x00102008, - 0x00002200, 0x00102200, 0x00002208, 0x00102208, - 0x04002000, 0x04102000, 0x04002008, 0x04102008, - 0x04002200, 0x04102200, 0x04002208, 0x04102208, - 0x04002000, 0x04102000, 0x04002008, 0x04102008, - 0x04002200, 0x04102200, 0x04002208, 0x04102208, - 0x00020000, 0x00120000, 0x00020008, 0x00120008, - 0x00020200, 0x00120200, 0x00020208, 0x00120208, - 0x00020000, 0x00120000, 0x00020008, 0x00120008, - 0x00020200, 0x00120200, 0x00020208, 0x00120208, - 0x04020000, 0x04120000, 0x04020008, 0x04120008, - 0x04020200, 0x04120200, 0x04020208, 0x04120208, - 0x04020000, 0x04120000, 0x04020008, 0x04120008, - 0x04020200, 0x04120200, 0x04020208, 0x04120208, - 0x00022000, 0x00122000, 0x00022008, 0x00122008, - 0x00022200, 0x00122200, 0x00022208, 0x00122208, - 0x00022000, 0x00122000, 0x00022008, 0x00122008, - 0x00022200, 0x00122200, 0x00022208, 0x00122208, - 0x04022000, 0x04122000, 0x04022008, 0x04122008, - 0x04022200, 0x04122200, 0x04022208, 0x04122208, - 0x04022000, 0x04122000, 0x04022008, 0x04122008, - 0x04022200, 0x04122200, 0x04022208, 0x04122208, - 0x00020000, 0x00120000, 0x00020008, 0x00120008, - 0x00020200, 0x00120200, 0x00020208, 0x00120208, - 0x00020000, 0x00120000, 0x00020008, 0x00120008, - 0x00020200, 0x00120200, 0x00020208, 0x00120208, - 0x04020000, 0x04120000, 0x04020008, 0x04120008, - 0x04020200, 0x04120200, 0x04020208, 0x04120208, - 0x04020000, 0x04120000, 0x04020008, 0x04120008, - 0x04020200, 0x04120200, 0x04020208, 0x04120208, - 0x00022000, 0x00122000, 0x00022008, 0x00122008, - 0x00022200, 0x00122200, 0x00022208, 0x00122208, - 0x00022000, 0x00122000, 0x00022008, 0x00122008, - 0x00022200, 0x00122200, 0x00022208, 0x00122208, - 0x04022000, 0x04122000, 0x04022008, 0x04122008, - 0x04022200, 0x04122200, 0x04022208, 0x04122208, - 0x04022000, 0x04122000, 0x04022008, 0x04122008, - 0x04022200, 0x04122200, 0x04022208, 0x04122208 - ); - static $pc2mapd1 = array( - 0x00000000, 0x00000001, 0x08000000, 0x08000001, - 0x00200000, 0x00200001, 0x08200000, 0x08200001, - 0x00000002, 0x00000003, 0x08000002, 0x08000003, - 0x00200002, 0x00200003, 0x08200002, 0x08200003 - ); - static $pc2mapd2 = array( - 0x00000000, 0x00100000, 0x00000800, 0x00100800, - 0x00000000, 0x00100000, 0x00000800, 0x00100800, - 0x04000000, 0x04100000, 0x04000800, 0x04100800, - 0x04000000, 0x04100000, 0x04000800, 0x04100800, - 0x00000004, 0x00100004, 0x00000804, 0x00100804, - 0x00000004, 0x00100004, 0x00000804, 0x00100804, - 0x04000004, 0x04100004, 0x04000804, 0x04100804, - 0x04000004, 0x04100004, 0x04000804, 0x04100804, - 0x00000000, 0x00100000, 0x00000800, 0x00100800, - 0x00000000, 0x00100000, 0x00000800, 0x00100800, - 0x04000000, 0x04100000, 0x04000800, 0x04100800, - 0x04000000, 0x04100000, 0x04000800, 0x04100800, - 0x00000004, 0x00100004, 0x00000804, 0x00100804, - 0x00000004, 0x00100004, 0x00000804, 0x00100804, - 0x04000004, 0x04100004, 0x04000804, 0x04100804, - 0x04000004, 0x04100004, 0x04000804, 0x04100804, - 0x00000200, 0x00100200, 0x00000A00, 0x00100A00, - 0x00000200, 0x00100200, 0x00000A00, 0x00100A00, - 0x04000200, 0x04100200, 0x04000A00, 0x04100A00, - 0x04000200, 0x04100200, 0x04000A00, 0x04100A00, - 0x00000204, 0x00100204, 0x00000A04, 0x00100A04, - 0x00000204, 0x00100204, 0x00000A04, 0x00100A04, - 0x04000204, 0x04100204, 0x04000A04, 0x04100A04, - 0x04000204, 0x04100204, 0x04000A04, 0x04100A04, - 0x00000200, 0x00100200, 0x00000A00, 0x00100A00, - 0x00000200, 0x00100200, 0x00000A00, 0x00100A00, - 0x04000200, 0x04100200, 0x04000A00, 0x04100A00, - 0x04000200, 0x04100200, 0x04000A00, 0x04100A00, - 0x00000204, 0x00100204, 0x00000A04, 0x00100A04, - 0x00000204, 0x00100204, 0x00000A04, 0x00100A04, - 0x04000204, 0x04100204, 0x04000A04, 0x04100A04, - 0x04000204, 0x04100204, 0x04000A04, 0x04100A04, - 0x00020000, 0x00120000, 0x00020800, 0x00120800, - 0x00020000, 0x00120000, 0x00020800, 0x00120800, - 0x04020000, 0x04120000, 0x04020800, 0x04120800, - 0x04020000, 0x04120000, 0x04020800, 0x04120800, - 0x00020004, 0x00120004, 0x00020804, 0x00120804, - 0x00020004, 0x00120004, 0x00020804, 0x00120804, - 0x04020004, 0x04120004, 0x04020804, 0x04120804, - 0x04020004, 0x04120004, 0x04020804, 0x04120804, - 0x00020000, 0x00120000, 0x00020800, 0x00120800, - 0x00020000, 0x00120000, 0x00020800, 0x00120800, - 0x04020000, 0x04120000, 0x04020800, 0x04120800, - 0x04020000, 0x04120000, 0x04020800, 0x04120800, - 0x00020004, 0x00120004, 0x00020804, 0x00120804, - 0x00020004, 0x00120004, 0x00020804, 0x00120804, - 0x04020004, 0x04120004, 0x04020804, 0x04120804, - 0x04020004, 0x04120004, 0x04020804, 0x04120804, - 0x00020200, 0x00120200, 0x00020A00, 0x00120A00, - 0x00020200, 0x00120200, 0x00020A00, 0x00120A00, - 0x04020200, 0x04120200, 0x04020A00, 0x04120A00, - 0x04020200, 0x04120200, 0x04020A00, 0x04120A00, - 0x00020204, 0x00120204, 0x00020A04, 0x00120A04, - 0x00020204, 0x00120204, 0x00020A04, 0x00120A04, - 0x04020204, 0x04120204, 0x04020A04, 0x04120A04, - 0x04020204, 0x04120204, 0x04020A04, 0x04120A04, - 0x00020200, 0x00120200, 0x00020A00, 0x00120A00, - 0x00020200, 0x00120200, 0x00020A00, 0x00120A00, - 0x04020200, 0x04120200, 0x04020A00, 0x04120A00, - 0x04020200, 0x04120200, 0x04020A00, 0x04120A00, - 0x00020204, 0x00120204, 0x00020A04, 0x00120A04, - 0x00020204, 0x00120204, 0x00020A04, 0x00120A04, - 0x04020204, 0x04120204, 0x04020A04, 0x04120A04, - 0x04020204, 0x04120204, 0x04020A04, 0x04120A04 - ); - static $pc2mapd3 = array( - 0x00000000, 0x00010000, 0x02000000, 0x02010000, - 0x00000020, 0x00010020, 0x02000020, 0x02010020, - 0x00040000, 0x00050000, 0x02040000, 0x02050000, - 0x00040020, 0x00050020, 0x02040020, 0x02050020, - 0x00002000, 0x00012000, 0x02002000, 0x02012000, - 0x00002020, 0x00012020, 0x02002020, 0x02012020, - 0x00042000, 0x00052000, 0x02042000, 0x02052000, - 0x00042020, 0x00052020, 0x02042020, 0x02052020, - 0x00000000, 0x00010000, 0x02000000, 0x02010000, - 0x00000020, 0x00010020, 0x02000020, 0x02010020, - 0x00040000, 0x00050000, 0x02040000, 0x02050000, - 0x00040020, 0x00050020, 0x02040020, 0x02050020, - 0x00002000, 0x00012000, 0x02002000, 0x02012000, - 0x00002020, 0x00012020, 0x02002020, 0x02012020, - 0x00042000, 0x00052000, 0x02042000, 0x02052000, - 0x00042020, 0x00052020, 0x02042020, 0x02052020, - 0x00000010, 0x00010010, 0x02000010, 0x02010010, - 0x00000030, 0x00010030, 0x02000030, 0x02010030, - 0x00040010, 0x00050010, 0x02040010, 0x02050010, - 0x00040030, 0x00050030, 0x02040030, 0x02050030, - 0x00002010, 0x00012010, 0x02002010, 0x02012010, - 0x00002030, 0x00012030, 0x02002030, 0x02012030, - 0x00042010, 0x00052010, 0x02042010, 0x02052010, - 0x00042030, 0x00052030, 0x02042030, 0x02052030, - 0x00000010, 0x00010010, 0x02000010, 0x02010010, - 0x00000030, 0x00010030, 0x02000030, 0x02010030, - 0x00040010, 0x00050010, 0x02040010, 0x02050010, - 0x00040030, 0x00050030, 0x02040030, 0x02050030, - 0x00002010, 0x00012010, 0x02002010, 0x02012010, - 0x00002030, 0x00012030, 0x02002030, 0x02012030, - 0x00042010, 0x00052010, 0x02042010, 0x02052010, - 0x00042030, 0x00052030, 0x02042030, 0x02052030, - 0x20000000, 0x20010000, 0x22000000, 0x22010000, - 0x20000020, 0x20010020, 0x22000020, 0x22010020, - 0x20040000, 0x20050000, 0x22040000, 0x22050000, - 0x20040020, 0x20050020, 0x22040020, 0x22050020, - 0x20002000, 0x20012000, 0x22002000, 0x22012000, - 0x20002020, 0x20012020, 0x22002020, 0x22012020, - 0x20042000, 0x20052000, 0x22042000, 0x22052000, - 0x20042020, 0x20052020, 0x22042020, 0x22052020, - 0x20000000, 0x20010000, 0x22000000, 0x22010000, - 0x20000020, 0x20010020, 0x22000020, 0x22010020, - 0x20040000, 0x20050000, 0x22040000, 0x22050000, - 0x20040020, 0x20050020, 0x22040020, 0x22050020, - 0x20002000, 0x20012000, 0x22002000, 0x22012000, - 0x20002020, 0x20012020, 0x22002020, 0x22012020, - 0x20042000, 0x20052000, 0x22042000, 0x22052000, - 0x20042020, 0x20052020, 0x22042020, 0x22052020, - 0x20000010, 0x20010010, 0x22000010, 0x22010010, - 0x20000030, 0x20010030, 0x22000030, 0x22010030, - 0x20040010, 0x20050010, 0x22040010, 0x22050010, - 0x20040030, 0x20050030, 0x22040030, 0x22050030, - 0x20002010, 0x20012010, 0x22002010, 0x22012010, - 0x20002030, 0x20012030, 0x22002030, 0x22012030, - 0x20042010, 0x20052010, 0x22042010, 0x22052010, - 0x20042030, 0x20052030, 0x22042030, 0x22052030, - 0x20000010, 0x20010010, 0x22000010, 0x22010010, - 0x20000030, 0x20010030, 0x22000030, 0x22010030, - 0x20040010, 0x20050010, 0x22040010, 0x22050010, - 0x20040030, 0x20050030, 0x22040030, 0x22050030, - 0x20002010, 0x20012010, 0x22002010, 0x22012010, - 0x20002030, 0x20012030, 0x22002030, 0x22012030, - 0x20042010, 0x20052010, 0x22042010, 0x22052010, - 0x20042030, 0x20052030, 0x22042030, 0x22052030 - ); - static $pc2mapd4 = array( - 0x00000000, 0x00000400, 0x01000000, 0x01000400, - 0x00000000, 0x00000400, 0x01000000, 0x01000400, - 0x00000100, 0x00000500, 0x01000100, 0x01000500, - 0x00000100, 0x00000500, 0x01000100, 0x01000500, - 0x10000000, 0x10000400, 0x11000000, 0x11000400, - 0x10000000, 0x10000400, 0x11000000, 0x11000400, - 0x10000100, 0x10000500, 0x11000100, 0x11000500, - 0x10000100, 0x10000500, 0x11000100, 0x11000500, - 0x00080000, 0x00080400, 0x01080000, 0x01080400, - 0x00080000, 0x00080400, 0x01080000, 0x01080400, - 0x00080100, 0x00080500, 0x01080100, 0x01080500, - 0x00080100, 0x00080500, 0x01080100, 0x01080500, - 0x10080000, 0x10080400, 0x11080000, 0x11080400, - 0x10080000, 0x10080400, 0x11080000, 0x11080400, - 0x10080100, 0x10080500, 0x11080100, 0x11080500, - 0x10080100, 0x10080500, 0x11080100, 0x11080500, - 0x00000008, 0x00000408, 0x01000008, 0x01000408, - 0x00000008, 0x00000408, 0x01000008, 0x01000408, - 0x00000108, 0x00000508, 0x01000108, 0x01000508, - 0x00000108, 0x00000508, 0x01000108, 0x01000508, - 0x10000008, 0x10000408, 0x11000008, 0x11000408, - 0x10000008, 0x10000408, 0x11000008, 0x11000408, - 0x10000108, 0x10000508, 0x11000108, 0x11000508, - 0x10000108, 0x10000508, 0x11000108, 0x11000508, - 0x00080008, 0x00080408, 0x01080008, 0x01080408, - 0x00080008, 0x00080408, 0x01080008, 0x01080408, - 0x00080108, 0x00080508, 0x01080108, 0x01080508, - 0x00080108, 0x00080508, 0x01080108, 0x01080508, - 0x10080008, 0x10080408, 0x11080008, 0x11080408, - 0x10080008, 0x10080408, 0x11080008, 0x11080408, - 0x10080108, 0x10080508, 0x11080108, 0x11080508, - 0x10080108, 0x10080508, 0x11080108, 0x11080508, - 0x00001000, 0x00001400, 0x01001000, 0x01001400, - 0x00001000, 0x00001400, 0x01001000, 0x01001400, - 0x00001100, 0x00001500, 0x01001100, 0x01001500, - 0x00001100, 0x00001500, 0x01001100, 0x01001500, - 0x10001000, 0x10001400, 0x11001000, 0x11001400, - 0x10001000, 0x10001400, 0x11001000, 0x11001400, - 0x10001100, 0x10001500, 0x11001100, 0x11001500, - 0x10001100, 0x10001500, 0x11001100, 0x11001500, - 0x00081000, 0x00081400, 0x01081000, 0x01081400, - 0x00081000, 0x00081400, 0x01081000, 0x01081400, - 0x00081100, 0x00081500, 0x01081100, 0x01081500, - 0x00081100, 0x00081500, 0x01081100, 0x01081500, - 0x10081000, 0x10081400, 0x11081000, 0x11081400, - 0x10081000, 0x10081400, 0x11081000, 0x11081400, - 0x10081100, 0x10081500, 0x11081100, 0x11081500, - 0x10081100, 0x10081500, 0x11081100, 0x11081500, - 0x00001008, 0x00001408, 0x01001008, 0x01001408, - 0x00001008, 0x00001408, 0x01001008, 0x01001408, - 0x00001108, 0x00001508, 0x01001108, 0x01001508, - 0x00001108, 0x00001508, 0x01001108, 0x01001508, - 0x10001008, 0x10001408, 0x11001008, 0x11001408, - 0x10001008, 0x10001408, 0x11001008, 0x11001408, - 0x10001108, 0x10001508, 0x11001108, 0x11001508, - 0x10001108, 0x10001508, 0x11001108, 0x11001508, - 0x00081008, 0x00081408, 0x01081008, 0x01081408, - 0x00081008, 0x00081408, 0x01081008, 0x01081408, - 0x00081108, 0x00081508, 0x01081108, 0x01081508, - 0x00081108, 0x00081508, 0x01081108, 0x01081508, - 0x10081008, 0x10081408, 0x11081008, 0x11081408, - 0x10081008, 0x10081408, 0x11081008, 0x11081408, - 0x10081108, 0x10081508, 0x11081108, 0x11081508, - 0x10081108, 0x10081508, 0x11081108, 0x11081508 - ); - - $keys = array(); - for ($des_round = 0; $des_round < $this->des_rounds; ++$des_round) { - // pad the key and remove extra characters as appropriate. - $key = str_pad(substr($this->key, $des_round * 8, 8), 8, "\0"); - - // Perform the PC/1 transformation and compute C and D. - $t = unpack('Nl/Nr', $key); - list($l, $r) = array($t['l'], $t['r']); - $key = ($this->shuffle[$pc1map[ $r & 0xFF]] & "\x80\x80\x80\x80\x80\x80\x80\x00") | - ($this->shuffle[$pc1map[($r >> 8) & 0xFF]] & "\x40\x40\x40\x40\x40\x40\x40\x00") | - ($this->shuffle[$pc1map[($r >> 16) & 0xFF]] & "\x20\x20\x20\x20\x20\x20\x20\x00") | - ($this->shuffle[$pc1map[($r >> 24) & 0xFF]] & "\x10\x10\x10\x10\x10\x10\x10\x00") | - ($this->shuffle[$pc1map[ $l & 0xFF]] & "\x08\x08\x08\x08\x08\x08\x08\x00") | - ($this->shuffle[$pc1map[($l >> 8) & 0xFF]] & "\x04\x04\x04\x04\x04\x04\x04\x00") | - ($this->shuffle[$pc1map[($l >> 16) & 0xFF]] & "\x02\x02\x02\x02\x02\x02\x02\x00") | - ($this->shuffle[$pc1map[($l >> 24) & 0xFF]] & "\x01\x01\x01\x01\x01\x01\x01\x00"); - $key = unpack('Nc/Nd', $key); - $c = ( $key['c'] >> 4) & 0x0FFFFFFF; - $d = (($key['d'] >> 4) & 0x0FFFFFF0) | ($key['c'] & 0x0F); - - $keys[$des_round] = array( - self::ENCRYPT => array(), - self::DECRYPT => array_fill(0, 32, 0) - ); - for ($i = 0, $ki = 31; $i < 16; ++$i, $ki-= 2) { - $c <<= $shifts[$i]; - $c = ($c | ($c >> 28)) & 0x0FFFFFFF; - $d <<= $shifts[$i]; - $d = ($d | ($d >> 28)) & 0x0FFFFFFF; - - // Perform the PC-2 transformation. - $cp = $pc2mapc1[ $c >> 24 ] | $pc2mapc2[($c >> 16) & 0xFF] | - $pc2mapc3[($c >> 8) & 0xFF] | $pc2mapc4[ $c & 0xFF]; - $dp = $pc2mapd1[ $d >> 24 ] | $pc2mapd2[($d >> 16) & 0xFF] | - $pc2mapd3[($d >> 8) & 0xFF] | $pc2mapd4[ $d & 0xFF]; - - // Reorder: odd bytes/even bytes. Push the result in key schedule. - $val1 = ( $cp & 0xFF000000) | (($cp << 8) & 0x00FF0000) | - (($dp >> 16) & 0x0000FF00) | (($dp >> 8) & 0x000000FF); - $val2 = (($cp << 8) & 0xFF000000) | (($cp << 16) & 0x00FF0000) | - (($dp >> 8) & 0x0000FF00) | ( $dp & 0x000000FF); - $keys[$des_round][self::ENCRYPT][ ] = $val1; - $keys[$des_round][self::DECRYPT][$ki - 1] = $val1; - $keys[$des_round][self::ENCRYPT][ ] = $val2; - $keys[$des_round][self::DECRYPT][$ki ] = $val2; - } - } - - switch ($this->des_rounds) { - case 3: // 3DES keys - $this->keys = array( - self::ENCRYPT => array_merge( - $keys[0][self::ENCRYPT], - $keys[1][self::DECRYPT], - $keys[2][self::ENCRYPT] - ), - self::DECRYPT => array_merge( - $keys[2][self::DECRYPT], - $keys[1][self::ENCRYPT], - $keys[0][self::DECRYPT] - ) - ); - break; - // case 1: // DES keys - default: - $this->keys = array( - self::ENCRYPT => $keys[0][self::ENCRYPT], - self::DECRYPT => $keys[0][self::DECRYPT] - ); - } - } - - /** - * Setup the performance-optimized function for de/encrypt() - * - * @see \phpseclib\Crypt\Base::_setupInlineCrypt() - * @access private - */ - function _setupInlineCrypt() - { - $lambda_functions =& self::_getLambdaFunctions(); - - // Engine configuration for: - // - DES ($des_rounds == 1) or - // - 3DES ($des_rounds == 3) - $des_rounds = $this->des_rounds; - - // We create max. 10 hi-optimized code for memory reason. Means: For each $key one ultra fast inline-crypt function. - // (Currently, for DES, one generated $lambda_function cost on php5.5@32bit ~135kb unfreeable mem and ~230kb on php5.5@64bit) - // (Currently, for TripleDES, one generated $lambda_function cost on php5.5@32bit ~240kb unfreeable mem and ~340kb on php5.5@64bit) - // After that, we'll still create very fast optimized code but not the hi-ultimative code, for each $mode one - $gen_hi_opt_code = (bool)( count($lambda_functions) < 10 ); - - // Generation of a unique hash for our generated code - $code_hash = "Crypt_DES, $des_rounds, {$this->mode}"; - if ($gen_hi_opt_code) { - // For hi-optimized code, we create for each combination of - // $mode, $des_rounds and $this->key its own encrypt/decrypt function. - // After max 10 hi-optimized functions, we create generic - // (still very fast.. but not ultra) functions for each $mode/$des_rounds - // Currently 2 * 5 generic functions will be then max. possible. - $code_hash = str_pad($code_hash, 32) . $this->_hashInlineCryptFunction($this->key); - } - - // Is there a re-usable $lambda_functions in there? If not, we have to create it. - if (!isset($lambda_functions[$code_hash])) { - // Init code for both, encrypt and decrypt. - $init_crypt = 'static $sbox1, $sbox2, $sbox3, $sbox4, $sbox5, $sbox6, $sbox7, $sbox8, $shuffleip, $shuffleinvip; - if (!$sbox1) { - $sbox1 = array_map("intval", $self->sbox1); - $sbox2 = array_map("intval", $self->sbox2); - $sbox3 = array_map("intval", $self->sbox3); - $sbox4 = array_map("intval", $self->sbox4); - $sbox5 = array_map("intval", $self->sbox5); - $sbox6 = array_map("intval", $self->sbox6); - $sbox7 = array_map("intval", $self->sbox7); - $sbox8 = array_map("intval", $self->sbox8);' - /* Merge $shuffle with $[inv]ipmap */ . ' - for ($i = 0; $i < 256; ++$i) { - $shuffleip[] = $self->shuffle[$self->ipmap[$i]]; - $shuffleinvip[] = $self->shuffle[$self->invipmap[$i]]; - } - } - '; - - switch (true) { - case $gen_hi_opt_code: - // In Hi-optimized code mode, we use our [3]DES key schedule as hardcoded integers. - // No futher initialisation of the $keys schedule is necessary. - // That is the extra performance boost. - $k = array( - self::ENCRYPT => $this->keys[self::ENCRYPT], - self::DECRYPT => $this->keys[self::DECRYPT] - ); - $init_encrypt = ''; - $init_decrypt = ''; - break; - default: - // In generic optimized code mode, we have to use, as the best compromise [currently], - // our key schedule as $ke/$kd arrays. (with hardcoded indexes...) - $k = array( - self::ENCRYPT => array(), - self::DECRYPT => array() - ); - for ($i = 0, $c = count($this->keys[self::ENCRYPT]); $i < $c; ++$i) { - $k[self::ENCRYPT][$i] = '$ke[' . $i . ']'; - $k[self::DECRYPT][$i] = '$kd[' . $i . ']'; - } - $init_encrypt = '$ke = $self->keys[$self::ENCRYPT];'; - $init_decrypt = '$kd = $self->keys[$self::DECRYPT];'; - break; - } - - // Creating code for en- and decryption. - $crypt_block = array(); - foreach (array(self::ENCRYPT, self::DECRYPT) as $c) { - /* Do the initial IP permutation. */ - $crypt_block[$c] = ' - $in = unpack("N*", $in); - $l = $in[1]; - $r = $in[2]; - $in = unpack("N*", - ($shuffleip[ $r & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") | - ($shuffleip[($r >> 8) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") | - ($shuffleip[($r >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") | - ($shuffleip[($r >> 24) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") | - ($shuffleip[ $l & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") | - ($shuffleip[($l >> 8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") | - ($shuffleip[($l >> 16) & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") | - ($shuffleip[($l >> 24) & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01") - ); - ' . /* Extract L0 and R0 */ ' - $l = $in[1]; - $r = $in[2]; - '; - - $l = '$l'; - $r = '$r'; - - // Perform DES or 3DES. - for ($ki = -1, $des_round = 0; $des_round < $des_rounds; ++$des_round) { - // Perform the 16 steps. - for ($i = 0; $i < 16; ++$i) { - // start of "the Feistel (F) function" - see the following URL: - // http://en.wikipedia.org/wiki/Image:Data_Encryption_Standard_InfoBox_Diagram.png - // Merge key schedule. - $crypt_block[$c].= ' - $b1 = ((' . $r . ' >> 3) & 0x1FFFFFFF) ^ (' . $r . ' << 29) ^ ' . $k[$c][++$ki] . '; - $b2 = ((' . $r . ' >> 31) & 0x00000001) ^ (' . $r . ' << 1) ^ ' . $k[$c][++$ki] . ';' . - /* S-box indexing. */ - $l . ' = $sbox1[($b1 >> 24) & 0x3F] ^ $sbox2[($b2 >> 24) & 0x3F] ^ - $sbox3[($b1 >> 16) & 0x3F] ^ $sbox4[($b2 >> 16) & 0x3F] ^ - $sbox5[($b1 >> 8) & 0x3F] ^ $sbox6[($b2 >> 8) & 0x3F] ^ - $sbox7[ $b1 & 0x3F] ^ $sbox8[ $b2 & 0x3F] ^ ' . $l . '; - '; - // end of "the Feistel (F) function" - - // swap L & R - list($l, $r) = array($r, $l); - } - list($l, $r) = array($r, $l); - } - - // Perform the inverse IP permutation. - $crypt_block[$c].= '$in = - ($shuffleinvip[($l >> 24) & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") | - ($shuffleinvip[($r >> 24) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") | - ($shuffleinvip[($l >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") | - ($shuffleinvip[($r >> 16) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") | - ($shuffleinvip[($l >> 8) & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") | - ($shuffleinvip[($r >> 8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") | - ($shuffleinvip[ $l & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") | - ($shuffleinvip[ $r & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01"); - '; - } - - // Creates the inline-crypt function - $lambda_functions[$code_hash] = $this->_createInlineCryptFunction( - array( - 'init_crypt' => $init_crypt, - 'init_encrypt' => $init_encrypt, - 'init_decrypt' => $init_decrypt, - 'encrypt_block' => $crypt_block[self::ENCRYPT], - 'decrypt_block' => $crypt_block[self::DECRYPT] - ) - ); - } - - // Set the inline-crypt function as callback in: $this->inline_crypt - $this->inline_crypt = $lambda_functions[$code_hash]; - } -} diff --git a/lib/phpseclib/Crypt/Hash.php b/lib/phpseclib/Crypt/Hash.php deleted file mode 100644 index 6ae01329e2e..00000000000 --- a/lib/phpseclib/Crypt/Hash.php +++ /dev/null @@ -1,829 +0,0 @@ - - * setKey('abcdefg'); - * - * echo base64_encode($hash->hash('abcdefg')); - * ?> - * - * - * @category Crypt - * @package Hash - * @author Jim Wigginton - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -use phpseclib\Math\BigInteger; - -/** - * Pure-PHP implementations of keyed-hash message authentication codes (HMACs) and various cryptographic hashing functions. - * - * @package Hash - * @author Jim Wigginton - * @access public - */ -class Hash -{ - /**#@+ - * @access private - * @see \phpseclib\Crypt\Hash::__construct() - */ - /** - * Toggles the internal implementation - */ - const MODE_INTERNAL = 1; - /** - * Toggles the mhash() implementation, which has been deprecated on PHP 5.3.0+. - */ - const MODE_MHASH = 2; - /** - * Toggles the hash() implementation, which works on PHP 5.1.2+. - */ - const MODE_HASH = 3; - /**#@-*/ - - /** - * Hash Parameter - * - * @see self::setHash() - * @var int - * @access private - */ - var $hashParam; - - /** - * Byte-length of compression blocks / key (Internal HMAC) - * - * @see self::setAlgorithm() - * @var int - * @access private - */ - var $b; - - /** - * Byte-length of hash output (Internal HMAC) - * - * @see self::setHash() - * @var int - * @access private - */ - var $l = false; - - /** - * Hash Algorithm - * - * @see self::setHash() - * @var string - * @access private - */ - var $hash; - - /** - * Key - * - * @see self::setKey() - * @var string - * @access private - */ - var $key = false; - - /** - * Outer XOR (Internal HMAC) - * - * @see self::setKey() - * @var string - * @access private - */ - var $opad; - - /** - * Inner XOR (Internal HMAC) - * - * @see self::setKey() - * @var string - * @access private - */ - var $ipad; - - /** - * Default Constructor. - * - * @param string $hash - * @return \phpseclib\Crypt\Hash - * @access public - */ - function __construct($hash = 'sha1') - { - if (!defined('CRYPT_HASH_MODE')) { - switch (true) { - case extension_loaded('hash'): - define('CRYPT_HASH_MODE', self::MODE_HASH); - break; - case extension_loaded('mhash'): - define('CRYPT_HASH_MODE', self::MODE_MHASH); - break; - default: - define('CRYPT_HASH_MODE', self::MODE_INTERNAL); - } - } - - $this->setHash($hash); - } - - /** - * Sets the key for HMACs - * - * Keys can be of any length. - * - * @access public - * @param string $key - */ - function setKey($key = false) - { - $this->key = $key; - } - - /** - * Gets the hash function. - * - * As set by the constructor or by the setHash() method. - * - * @access public - * @return string - */ - function getHash() - { - return $this->hashParam; - } - - /** - * Sets the hash function. - * - * @access public - * @param string $hash - */ - function setHash($hash) - { - $this->hashParam = $hash = strtolower($hash); - switch ($hash) { - case 'md5-96': - case 'sha1-96': - case 'sha256-96': - case 'sha512-96': - $hash = substr($hash, 0, -3); - $this->l = 12; // 96 / 8 = 12 - break; - case 'md2': - case 'md5': - $this->l = 16; - break; - case 'sha1': - $this->l = 20; - break; - case 'sha256': - $this->l = 32; - break; - case 'sha384': - $this->l = 48; - break; - case 'sha512': - $this->l = 64; - } - - switch ($hash) { - case 'md2': - $mode = CRYPT_HASH_MODE == self::MODE_HASH && in_array('md2', hash_algos()) ? - self::MODE_HASH : self::MODE_INTERNAL; - break; - case 'sha384': - case 'sha512': - $mode = CRYPT_HASH_MODE == self::MODE_MHASH ? self::MODE_INTERNAL : CRYPT_HASH_MODE; - break; - default: - $mode = CRYPT_HASH_MODE; - } - - switch ($mode) { - case self::MODE_MHASH: - switch ($hash) { - case 'md5': - $this->hash = MHASH_MD5; - break; - case 'sha256': - $this->hash = MHASH_SHA256; - break; - case 'sha1': - default: - $this->hash = MHASH_SHA1; - } - return; - case self::MODE_HASH: - switch ($hash) { - case 'md5': - $this->hash = 'md5'; - return; - case 'md2': - case 'sha256': - case 'sha384': - case 'sha512': - $this->hash = $hash; - return; - case 'sha1': - default: - $this->hash = 'sha1'; - } - return; - } - - switch ($hash) { - case 'md2': - $this->b = 16; - $this->hash = array($this, '_md2'); - break; - case 'md5': - $this->b = 64; - $this->hash = array($this, '_md5'); - break; - case 'sha256': - $this->b = 64; - $this->hash = array($this, '_sha256'); - break; - case 'sha384': - case 'sha512': - $this->b = 128; - $this->hash = array($this, '_sha512'); - break; - case 'sha1': - default: - $this->b = 64; - $this->hash = array($this, '_sha1'); - } - - $this->ipad = str_repeat(chr(0x36), $this->b); - $this->opad = str_repeat(chr(0x5C), $this->b); - } - - /** - * Compute the HMAC. - * - * @access public - * @param string $text - * @return string - */ - function hash($text) - { - $mode = is_array($this->hash) ? self::MODE_INTERNAL : CRYPT_HASH_MODE; - - if (!empty($this->key) || is_string($this->key)) { - switch ($mode) { - case self::MODE_MHASH: - $output = mhash($this->hash, $text, $this->key); - break; - case self::MODE_HASH: - $output = hash_hmac($this->hash, $text, $this->key, true); - break; - case self::MODE_INTERNAL: - /* "Applications that use keys longer than B bytes will first hash the key using H and then use the - resultant L byte string as the actual key to HMAC." - - -- http://tools.ietf.org/html/rfc2104#section-2 */ - $key = strlen($this->key) > $this->b ? call_user_func($this->hash, $this->key) : $this->key; - - $key = str_pad($key, $this->b, chr(0)); // step 1 - $temp = $this->ipad ^ $key; // step 2 - $temp .= $text; // step 3 - $temp = call_user_func($this->hash, $temp); // step 4 - $output = $this->opad ^ $key; // step 5 - $output.= $temp; // step 6 - $output = call_user_func($this->hash, $output); // step 7 - } - } else { - switch ($mode) { - case self::MODE_MHASH: - $output = mhash($this->hash, $text); - break; - case self::MODE_HASH: - $output = hash($this->hash, $text, true); - break; - case self::MODE_INTERNAL: - $output = call_user_func($this->hash, $text); - } - } - - return substr($output, 0, $this->l); - } - - /** - * Returns the hash length (in bytes) - * - * @access public - * @return int - */ - function getLength() - { - return $this->l; - } - - /** - * Wrapper for MD5 - * - * @access private - * @param string $m - */ - function _md5($m) - { - return pack('H*', md5($m)); - } - - /** - * Wrapper for SHA1 - * - * @access private - * @param string $m - */ - function _sha1($m) - { - return pack('H*', sha1($m)); - } - - /** - * Pure-PHP implementation of MD2 - * - * See {@link http://tools.ietf.org/html/rfc1319 RFC1319}. - * - * @access private - * @param string $m - */ - function _md2($m) - { - static $s = array( - 41, 46, 67, 201, 162, 216, 124, 1, 61, 54, 84, 161, 236, 240, 6, - 19, 98, 167, 5, 243, 192, 199, 115, 140, 152, 147, 43, 217, 188, - 76, 130, 202, 30, 155, 87, 60, 253, 212, 224, 22, 103, 66, 111, 24, - 138, 23, 229, 18, 190, 78, 196, 214, 218, 158, 222, 73, 160, 251, - 245, 142, 187, 47, 238, 122, 169, 104, 121, 145, 21, 178, 7, 63, - 148, 194, 16, 137, 11, 34, 95, 33, 128, 127, 93, 154, 90, 144, 50, - 39, 53, 62, 204, 231, 191, 247, 151, 3, 255, 25, 48, 179, 72, 165, - 181, 209, 215, 94, 146, 42, 172, 86, 170, 198, 79, 184, 56, 210, - 150, 164, 125, 182, 118, 252, 107, 226, 156, 116, 4, 241, 69, 157, - 112, 89, 100, 113, 135, 32, 134, 91, 207, 101, 230, 45, 168, 2, 27, - 96, 37, 173, 174, 176, 185, 246, 28, 70, 97, 105, 52, 64, 126, 15, - 85, 71, 163, 35, 221, 81, 175, 58, 195, 92, 249, 206, 186, 197, - 234, 38, 44, 83, 13, 110, 133, 40, 132, 9, 211, 223, 205, 244, 65, - 129, 77, 82, 106, 220, 55, 200, 108, 193, 171, 250, 36, 225, 123, - 8, 12, 189, 177, 74, 120, 136, 149, 139, 227, 99, 232, 109, 233, - 203, 213, 254, 59, 0, 29, 57, 242, 239, 183, 14, 102, 88, 208, 228, - 166, 119, 114, 248, 235, 117, 75, 10, 49, 68, 80, 180, 143, 237, - 31, 26, 219, 153, 141, 51, 159, 17, 131, 20 - ); - - // Step 1. Append Padding Bytes - $pad = 16 - (strlen($m) & 0xF); - $m.= str_repeat(chr($pad), $pad); - - $length = strlen($m); - - // Step 2. Append Checksum - $c = str_repeat(chr(0), 16); - $l = chr(0); - for ($i = 0; $i < $length; $i+= 16) { - for ($j = 0; $j < 16; $j++) { - // RFC1319 incorrectly states that C[j] should be set to S[c xor L] - //$c[$j] = chr($s[ord($m[$i + $j] ^ $l)]); - // per , however, C[j] should be set to S[c xor L] xor C[j] - $c[$j] = chr($s[ord($m[$i + $j] ^ $l)] ^ ord($c[$j])); - $l = $c[$j]; - } - } - $m.= $c; - - $length+= 16; - - // Step 3. Initialize MD Buffer - $x = str_repeat(chr(0), 48); - - // Step 4. Process Message in 16-Byte Blocks - for ($i = 0; $i < $length; $i+= 16) { - for ($j = 0; $j < 16; $j++) { - $x[$j + 16] = $m[$i + $j]; - $x[$j + 32] = $x[$j + 16] ^ $x[$j]; - } - $t = chr(0); - for ($j = 0; $j < 18; $j++) { - for ($k = 0; $k < 48; $k++) { - $x[$k] = $t = $x[$k] ^ chr($s[ord($t)]); - //$t = $x[$k] = $x[$k] ^ chr($s[ord($t)]); - } - $t = chr(ord($t) + $j); - } - } - - // Step 5. Output - return substr($x, 0, 16); - } - - /** - * Pure-PHP implementation of SHA256 - * - * See {@link http://en.wikipedia.org/wiki/SHA_hash_functions#SHA-256_.28a_SHA-2_variant.29_pseudocode SHA-256 (a SHA-2 variant) pseudocode - Wikipedia}. - * - * @access private - * @param string $m - */ - function _sha256($m) - { - if (extension_loaded('suhosin')) { - return pack('H*', sha256($m)); - } - - // Initialize variables - $hash = array( - 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19 - ); - // Initialize table of round constants - // (first 32 bits of the fractional parts of the cube roots of the first 64 primes 2..311) - static $k = array( - 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, - 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, - 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, - 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, - 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, - 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, - 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, - 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 - ); - - // Pre-processing - $length = strlen($m); - // to round to nearest 56 mod 64, we'll add 64 - (length + (64 - 56)) % 64 - $m.= str_repeat(chr(0), 64 - (($length + 8) & 0x3F)); - $m[$length] = chr(0x80); - // we don't support hashing strings 512MB long - $m.= pack('N2', 0, $length << 3); - - // Process the message in successive 512-bit chunks - $chunks = str_split($m, 64); - foreach ($chunks as $chunk) { - $w = array(); - for ($i = 0; $i < 16; $i++) { - extract(unpack('Ntemp', $this->_string_shift($chunk, 4))); - $w[] = $temp; - } - - // Extend the sixteen 32-bit words into sixty-four 32-bit words - for ($i = 16; $i < 64; $i++) { - // @codingStandardsIgnoreStart - $s0 = $this->_rightRotate($w[$i - 15], 7) ^ - $this->_rightRotate($w[$i - 15], 18) ^ - $this->_rightShift( $w[$i - 15], 3); - $s1 = $this->_rightRotate($w[$i - 2], 17) ^ - $this->_rightRotate($w[$i - 2], 19) ^ - $this->_rightShift( $w[$i - 2], 10); - // @codingStandardsIgnoreEnd - $w[$i] = $this->_add($w[$i - 16], $s0, $w[$i - 7], $s1); - } - - // Initialize hash value for this chunk - list($a, $b, $c, $d, $e, $f, $g, $h) = $hash; - - // Main loop - for ($i = 0; $i < 64; $i++) { - $s0 = $this->_rightRotate($a, 2) ^ - $this->_rightRotate($a, 13) ^ - $this->_rightRotate($a, 22); - $maj = ($a & $b) ^ - ($a & $c) ^ - ($b & $c); - $t2 = $this->_add($s0, $maj); - - $s1 = $this->_rightRotate($e, 6) ^ - $this->_rightRotate($e, 11) ^ - $this->_rightRotate($e, 25); - $ch = ($e & $f) ^ - ($this->_not($e) & $g); - $t1 = $this->_add($h, $s1, $ch, $k[$i], $w[$i]); - - $h = $g; - $g = $f; - $f = $e; - $e = $this->_add($d, $t1); - $d = $c; - $c = $b; - $b = $a; - $a = $this->_add($t1, $t2); - } - - // Add this chunk's hash to result so far - $hash = array( - $this->_add($hash[0], $a), - $this->_add($hash[1], $b), - $this->_add($hash[2], $c), - $this->_add($hash[3], $d), - $this->_add($hash[4], $e), - $this->_add($hash[5], $f), - $this->_add($hash[6], $g), - $this->_add($hash[7], $h) - ); - } - - // Produce the final hash value (big-endian) - return pack('N8', $hash[0], $hash[1], $hash[2], $hash[3], $hash[4], $hash[5], $hash[6], $hash[7]); - } - - /** - * Pure-PHP implementation of SHA384 and SHA512 - * - * @access private - * @param string $m - */ - function _sha512($m) - { - static $init384, $init512, $k; - - if (!isset($k)) { - // Initialize variables - $init384 = array( // initial values for SHA384 - 'cbbb9d5dc1059ed8', '629a292a367cd507', '9159015a3070dd17', '152fecd8f70e5939', - '67332667ffc00b31', '8eb44a8768581511', 'db0c2e0d64f98fa7', '47b5481dbefa4fa4' - ); - $init512 = array( // initial values for SHA512 - '6a09e667f3bcc908', 'bb67ae8584caa73b', '3c6ef372fe94f82b', 'a54ff53a5f1d36f1', - '510e527fade682d1', '9b05688c2b3e6c1f', '1f83d9abfb41bd6b', '5be0cd19137e2179' - ); - - for ($i = 0; $i < 8; $i++) { - $init384[$i] = new BigInteger($init384[$i], 16); - $init384[$i]->setPrecision(64); - $init512[$i] = new BigInteger($init512[$i], 16); - $init512[$i]->setPrecision(64); - } - - // Initialize table of round constants - // (first 64 bits of the fractional parts of the cube roots of the first 80 primes 2..409) - $k = array( - '428a2f98d728ae22', '7137449123ef65cd', 'b5c0fbcfec4d3b2f', 'e9b5dba58189dbbc', - '3956c25bf348b538', '59f111f1b605d019', '923f82a4af194f9b', 'ab1c5ed5da6d8118', - 'd807aa98a3030242', '12835b0145706fbe', '243185be4ee4b28c', '550c7dc3d5ffb4e2', - '72be5d74f27b896f', '80deb1fe3b1696b1', '9bdc06a725c71235', 'c19bf174cf692694', - 'e49b69c19ef14ad2', 'efbe4786384f25e3', '0fc19dc68b8cd5b5', '240ca1cc77ac9c65', - '2de92c6f592b0275', '4a7484aa6ea6e483', '5cb0a9dcbd41fbd4', '76f988da831153b5', - '983e5152ee66dfab', 'a831c66d2db43210', 'b00327c898fb213f', 'bf597fc7beef0ee4', - 'c6e00bf33da88fc2', 'd5a79147930aa725', '06ca6351e003826f', '142929670a0e6e70', - '27b70a8546d22ffc', '2e1b21385c26c926', '4d2c6dfc5ac42aed', '53380d139d95b3df', - '650a73548baf63de', '766a0abb3c77b2a8', '81c2c92e47edaee6', '92722c851482353b', - 'a2bfe8a14cf10364', 'a81a664bbc423001', 'c24b8b70d0f89791', 'c76c51a30654be30', - 'd192e819d6ef5218', 'd69906245565a910', 'f40e35855771202a', '106aa07032bbd1b8', - '19a4c116b8d2d0c8', '1e376c085141ab53', '2748774cdf8eeb99', '34b0bcb5e19b48a8', - '391c0cb3c5c95a63', '4ed8aa4ae3418acb', '5b9cca4f7763e373', '682e6ff3d6b2b8a3', - '748f82ee5defb2fc', '78a5636f43172f60', '84c87814a1f0ab72', '8cc702081a6439ec', - '90befffa23631e28', 'a4506cebde82bde9', 'bef9a3f7b2c67915', 'c67178f2e372532b', - 'ca273eceea26619c', 'd186b8c721c0c207', 'eada7dd6cde0eb1e', 'f57d4f7fee6ed178', - '06f067aa72176fba', '0a637dc5a2c898a6', '113f9804bef90dae', '1b710b35131c471b', - '28db77f523047d84', '32caab7b40c72493', '3c9ebe0a15c9bebc', '431d67c49c100d4c', - '4cc5d4becb3e42b6', '597f299cfc657e2a', '5fcb6fab3ad6faec', '6c44198c4a475817' - ); - - for ($i = 0; $i < 80; $i++) { - $k[$i] = new BigInteger($k[$i], 16); - } - } - - $hash = $this->l == 48 ? $init384 : $init512; - - // Pre-processing - $length = strlen($m); - // to round to nearest 112 mod 128, we'll add 128 - (length + (128 - 112)) % 128 - $m.= str_repeat(chr(0), 128 - (($length + 16) & 0x7F)); - $m[$length] = chr(0x80); - // we don't support hashing strings 512MB long - $m.= pack('N4', 0, 0, 0, $length << 3); - - // Process the message in successive 1024-bit chunks - $chunks = str_split($m, 128); - foreach ($chunks as $chunk) { - $w = array(); - for ($i = 0; $i < 16; $i++) { - $temp = new BigInteger($this->_string_shift($chunk, 8), 256); - $temp->setPrecision(64); - $w[] = $temp; - } - - // Extend the sixteen 32-bit words into eighty 32-bit words - for ($i = 16; $i < 80; $i++) { - $temp = array( - $w[$i - 15]->bitwise_rightRotate(1), - $w[$i - 15]->bitwise_rightRotate(8), - $w[$i - 15]->bitwise_rightShift(7) - ); - $s0 = $temp[0]->bitwise_xor($temp[1]); - $s0 = $s0->bitwise_xor($temp[2]); - $temp = array( - $w[$i - 2]->bitwise_rightRotate(19), - $w[$i - 2]->bitwise_rightRotate(61), - $w[$i - 2]->bitwise_rightShift(6) - ); - $s1 = $temp[0]->bitwise_xor($temp[1]); - $s1 = $s1->bitwise_xor($temp[2]); - $w[$i] = $w[$i - 16]->copy(); - $w[$i] = $w[$i]->add($s0); - $w[$i] = $w[$i]->add($w[$i - 7]); - $w[$i] = $w[$i]->add($s1); - } - - // Initialize hash value for this chunk - $a = $hash[0]->copy(); - $b = $hash[1]->copy(); - $c = $hash[2]->copy(); - $d = $hash[3]->copy(); - $e = $hash[4]->copy(); - $f = $hash[5]->copy(); - $g = $hash[6]->copy(); - $h = $hash[7]->copy(); - - // Main loop - for ($i = 0; $i < 80; $i++) { - $temp = array( - $a->bitwise_rightRotate(28), - $a->bitwise_rightRotate(34), - $a->bitwise_rightRotate(39) - ); - $s0 = $temp[0]->bitwise_xor($temp[1]); - $s0 = $s0->bitwise_xor($temp[2]); - $temp = array( - $a->bitwise_and($b), - $a->bitwise_and($c), - $b->bitwise_and($c) - ); - $maj = $temp[0]->bitwise_xor($temp[1]); - $maj = $maj->bitwise_xor($temp[2]); - $t2 = $s0->add($maj); - - $temp = array( - $e->bitwise_rightRotate(14), - $e->bitwise_rightRotate(18), - $e->bitwise_rightRotate(41) - ); - $s1 = $temp[0]->bitwise_xor($temp[1]); - $s1 = $s1->bitwise_xor($temp[2]); - $temp = array( - $e->bitwise_and($f), - $g->bitwise_and($e->bitwise_not()) - ); - $ch = $temp[0]->bitwise_xor($temp[1]); - $t1 = $h->add($s1); - $t1 = $t1->add($ch); - $t1 = $t1->add($k[$i]); - $t1 = $t1->add($w[$i]); - - $h = $g->copy(); - $g = $f->copy(); - $f = $e->copy(); - $e = $d->add($t1); - $d = $c->copy(); - $c = $b->copy(); - $b = $a->copy(); - $a = $t1->add($t2); - } - - // Add this chunk's hash to result so far - $hash = array( - $hash[0]->add($a), - $hash[1]->add($b), - $hash[2]->add($c), - $hash[3]->add($d), - $hash[4]->add($e), - $hash[5]->add($f), - $hash[6]->add($g), - $hash[7]->add($h) - ); - } - - // Produce the final hash value (big-endian) - // (\phpseclib\Crypt\Hash::hash() trims the output for hashes but not for HMACs. as such, we trim the output here) - $temp = $hash[0]->toBytes() . $hash[1]->toBytes() . $hash[2]->toBytes() . $hash[3]->toBytes() . - $hash[4]->toBytes() . $hash[5]->toBytes(); - if ($this->l != 48) { - $temp.= $hash[6]->toBytes() . $hash[7]->toBytes(); - } - - return $temp; - } - - /** - * Right Rotate - * - * @access private - * @param int $int - * @param int $amt - * @see self::_sha256() - * @return int - */ - function _rightRotate($int, $amt) - { - $invamt = 32 - $amt; - $mask = (1 << $invamt) - 1; - return (($int << $invamt) & 0xFFFFFFFF) | (($int >> $amt) & $mask); - } - - /** - * Right Shift - * - * @access private - * @param int $int - * @param int $amt - * @see self::_sha256() - * @return int - */ - function _rightShift($int, $amt) - { - $mask = (1 << (32 - $amt)) - 1; - return ($int >> $amt) & $mask; - } - - /** - * Not - * - * @access private - * @param int $int - * @see self::_sha256() - * @return int - */ - function _not($int) - { - return ~$int & 0xFFFFFFFF; - } - - /** - * Add - * - * _sha256() adds multiple unsigned 32-bit integers. Since PHP doesn't support unsigned integers and since the - * possibility of overflow exists, care has to be taken. BigInteger could be used but this should be faster. - * - * @param int $... - * @return int - * @see self::_sha256() - * @access private - */ - function _add() - { - static $mod; - if (!isset($mod)) { - $mod = pow(2, 32); - } - - $result = 0; - $arguments = func_get_args(); - foreach ($arguments as $argument) { - $result+= $argument < 0 ? ($argument & 0x7FFFFFFF) + 0x80000000 : $argument; - } - - if ((php_uname('m') & "\xDF\xDF\xDF") != 'ARM') { - return fmod($result, $mod); - } - - return (fmod($result, 0x80000000) & 0x7FFFFFFF) | - ((fmod(floor($result / 0x80000000), 2) & 1) << 31); - } - - /** - * String Shift - * - * Inspired by array_shift - * - * @param string $string - * @param int $index - * @return string - * @access private - */ - function _string_shift(&$string, $index = 1) - { - $substr = substr($string, 0, $index); - $string = substr($string, $index); - return $substr; - } -} diff --git a/lib/phpseclib/Crypt/RC2.php b/lib/phpseclib/Crypt/RC2.php deleted file mode 100644 index b2b9d48eaa1..00000000000 --- a/lib/phpseclib/Crypt/RC2.php +++ /dev/null @@ -1,688 +0,0 @@ - - * setKey('abcdefgh'); - * - * $plaintext = str_repeat('a', 1024); - * - * echo $rc2->decrypt($rc2->encrypt($plaintext)); - * ?> - * - * - * @category Crypt - * @package RC2 - * @author Patrick Monnerat - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -/** - * Pure-PHP implementation of RC2. - * - * @package RC2 - * @access public - */ -class RC2 extends Base -{ - /** - * Block Length of the cipher - * - * @see \phpseclib\Crypt\Base::block_size - * @var int - * @access private - */ - var $block_size = 8; - - /** - * The Key - * - * @see \phpseclib\Crypt\Base::key - * @see self::setKey() - * @var string - * @access private - */ - var $key; - - /** - * The Original (unpadded) Key - * - * @see \phpseclib\Crypt\Base::key - * @see self::setKey() - * @see self::encrypt() - * @see self::decrypt() - * @var string - * @access private - */ - var $orig_key; - - /** - * Don't truncate / null pad key - * - * @see \phpseclib\Crypt\Base::_clearBuffers() - * @var bool - * @access private - */ - var $skip_key_adjustment = true; - - /** - * Key Length (in bytes) - * - * @see \phpseclib\Crypt\RC2::setKeyLength() - * @var int - * @access private - */ - var $key_length = 16; // = 128 bits - - /** - * The mcrypt specific name of the cipher - * - * @see \phpseclib\Crypt\Base::cipher_name_mcrypt - * @var string - * @access private - */ - var $cipher_name_mcrypt = 'rc2'; - - /** - * Optimizing value while CFB-encrypting - * - * @see \phpseclib\Crypt\Base::cfb_init_len - * @var int - * @access private - */ - var $cfb_init_len = 500; - - /** - * The key length in bits. - * - * @see self::setKeyLength() - * @see self::setKey() - * @var int - * @access private - * @internal Should be in range [1..1024]. - * @internal Changing this value after setting the key has no effect. - */ - var $default_key_length = 1024; - - /** - * The key length in bits. - * - * @see self::isValidEnine() - * @see self::setKey() - * @var int - * @access private - * @internal Should be in range [1..1024]. - */ - var $current_key_length; - - /** - * The Key Schedule - * - * @see self::_setupKey() - * @var array - * @access private - */ - var $keys; - - /** - * Key expansion randomization table. - * Twice the same 256-value sequence to save a modulus in key expansion. - * - * @see self::setKey() - * @var array - * @access private - */ - var $pitable = array( - 0xD9, 0x78, 0xF9, 0xC4, 0x19, 0xDD, 0xB5, 0xED, - 0x28, 0xE9, 0xFD, 0x79, 0x4A, 0xA0, 0xD8, 0x9D, - 0xC6, 0x7E, 0x37, 0x83, 0x2B, 0x76, 0x53, 0x8E, - 0x62, 0x4C, 0x64, 0x88, 0x44, 0x8B, 0xFB, 0xA2, - 0x17, 0x9A, 0x59, 0xF5, 0x87, 0xB3, 0x4F, 0x13, - 0x61, 0x45, 0x6D, 0x8D, 0x09, 0x81, 0x7D, 0x32, - 0xBD, 0x8F, 0x40, 0xEB, 0x86, 0xB7, 0x7B, 0x0B, - 0xF0, 0x95, 0x21, 0x22, 0x5C, 0x6B, 0x4E, 0x82, - 0x54, 0xD6, 0x65, 0x93, 0xCE, 0x60, 0xB2, 0x1C, - 0x73, 0x56, 0xC0, 0x14, 0xA7, 0x8C, 0xF1, 0xDC, - 0x12, 0x75, 0xCA, 0x1F, 0x3B, 0xBE, 0xE4, 0xD1, - 0x42, 0x3D, 0xD4, 0x30, 0xA3, 0x3C, 0xB6, 0x26, - 0x6F, 0xBF, 0x0E, 0xDA, 0x46, 0x69, 0x07, 0x57, - 0x27, 0xF2, 0x1D, 0x9B, 0xBC, 0x94, 0x43, 0x03, - 0xF8, 0x11, 0xC7, 0xF6, 0x90, 0xEF, 0x3E, 0xE7, - 0x06, 0xC3, 0xD5, 0x2F, 0xC8, 0x66, 0x1E, 0xD7, - 0x08, 0xE8, 0xEA, 0xDE, 0x80, 0x52, 0xEE, 0xF7, - 0x84, 0xAA, 0x72, 0xAC, 0x35, 0x4D, 0x6A, 0x2A, - 0x96, 0x1A, 0xD2, 0x71, 0x5A, 0x15, 0x49, 0x74, - 0x4B, 0x9F, 0xD0, 0x5E, 0x04, 0x18, 0xA4, 0xEC, - 0xC2, 0xE0, 0x41, 0x6E, 0x0F, 0x51, 0xCB, 0xCC, - 0x24, 0x91, 0xAF, 0x50, 0xA1, 0xF4, 0x70, 0x39, - 0x99, 0x7C, 0x3A, 0x85, 0x23, 0xB8, 0xB4, 0x7A, - 0xFC, 0x02, 0x36, 0x5B, 0x25, 0x55, 0x97, 0x31, - 0x2D, 0x5D, 0xFA, 0x98, 0xE3, 0x8A, 0x92, 0xAE, - 0x05, 0xDF, 0x29, 0x10, 0x67, 0x6C, 0xBA, 0xC9, - 0xD3, 0x00, 0xE6, 0xCF, 0xE1, 0x9E, 0xA8, 0x2C, - 0x63, 0x16, 0x01, 0x3F, 0x58, 0xE2, 0x89, 0xA9, - 0x0D, 0x38, 0x34, 0x1B, 0xAB, 0x33, 0xFF, 0xB0, - 0xBB, 0x48, 0x0C, 0x5F, 0xB9, 0xB1, 0xCD, 0x2E, - 0xC5, 0xF3, 0xDB, 0x47, 0xE5, 0xA5, 0x9C, 0x77, - 0x0A, 0xA6, 0x20, 0x68, 0xFE, 0x7F, 0xC1, 0xAD, - 0xD9, 0x78, 0xF9, 0xC4, 0x19, 0xDD, 0xB5, 0xED, - 0x28, 0xE9, 0xFD, 0x79, 0x4A, 0xA0, 0xD8, 0x9D, - 0xC6, 0x7E, 0x37, 0x83, 0x2B, 0x76, 0x53, 0x8E, - 0x62, 0x4C, 0x64, 0x88, 0x44, 0x8B, 0xFB, 0xA2, - 0x17, 0x9A, 0x59, 0xF5, 0x87, 0xB3, 0x4F, 0x13, - 0x61, 0x45, 0x6D, 0x8D, 0x09, 0x81, 0x7D, 0x32, - 0xBD, 0x8F, 0x40, 0xEB, 0x86, 0xB7, 0x7B, 0x0B, - 0xF0, 0x95, 0x21, 0x22, 0x5C, 0x6B, 0x4E, 0x82, - 0x54, 0xD6, 0x65, 0x93, 0xCE, 0x60, 0xB2, 0x1C, - 0x73, 0x56, 0xC0, 0x14, 0xA7, 0x8C, 0xF1, 0xDC, - 0x12, 0x75, 0xCA, 0x1F, 0x3B, 0xBE, 0xE4, 0xD1, - 0x42, 0x3D, 0xD4, 0x30, 0xA3, 0x3C, 0xB6, 0x26, - 0x6F, 0xBF, 0x0E, 0xDA, 0x46, 0x69, 0x07, 0x57, - 0x27, 0xF2, 0x1D, 0x9B, 0xBC, 0x94, 0x43, 0x03, - 0xF8, 0x11, 0xC7, 0xF6, 0x90, 0xEF, 0x3E, 0xE7, - 0x06, 0xC3, 0xD5, 0x2F, 0xC8, 0x66, 0x1E, 0xD7, - 0x08, 0xE8, 0xEA, 0xDE, 0x80, 0x52, 0xEE, 0xF7, - 0x84, 0xAA, 0x72, 0xAC, 0x35, 0x4D, 0x6A, 0x2A, - 0x96, 0x1A, 0xD2, 0x71, 0x5A, 0x15, 0x49, 0x74, - 0x4B, 0x9F, 0xD0, 0x5E, 0x04, 0x18, 0xA4, 0xEC, - 0xC2, 0xE0, 0x41, 0x6E, 0x0F, 0x51, 0xCB, 0xCC, - 0x24, 0x91, 0xAF, 0x50, 0xA1, 0xF4, 0x70, 0x39, - 0x99, 0x7C, 0x3A, 0x85, 0x23, 0xB8, 0xB4, 0x7A, - 0xFC, 0x02, 0x36, 0x5B, 0x25, 0x55, 0x97, 0x31, - 0x2D, 0x5D, 0xFA, 0x98, 0xE3, 0x8A, 0x92, 0xAE, - 0x05, 0xDF, 0x29, 0x10, 0x67, 0x6C, 0xBA, 0xC9, - 0xD3, 0x00, 0xE6, 0xCF, 0xE1, 0x9E, 0xA8, 0x2C, - 0x63, 0x16, 0x01, 0x3F, 0x58, 0xE2, 0x89, 0xA9, - 0x0D, 0x38, 0x34, 0x1B, 0xAB, 0x33, 0xFF, 0xB0, - 0xBB, 0x48, 0x0C, 0x5F, 0xB9, 0xB1, 0xCD, 0x2E, - 0xC5, 0xF3, 0xDB, 0x47, 0xE5, 0xA5, 0x9C, 0x77, - 0x0A, 0xA6, 0x20, 0x68, 0xFE, 0x7F, 0xC1, 0xAD - ); - - /** - * Inverse key expansion randomization table. - * - * @see self::setKey() - * @var array - * @access private - */ - var $invpitable = array( - 0xD1, 0xDA, 0xB9, 0x6F, 0x9C, 0xC8, 0x78, 0x66, - 0x80, 0x2C, 0xF8, 0x37, 0xEA, 0xE0, 0x62, 0xA4, - 0xCB, 0x71, 0x50, 0x27, 0x4B, 0x95, 0xD9, 0x20, - 0x9D, 0x04, 0x91, 0xE3, 0x47, 0x6A, 0x7E, 0x53, - 0xFA, 0x3A, 0x3B, 0xB4, 0xA8, 0xBC, 0x5F, 0x68, - 0x08, 0xCA, 0x8F, 0x14, 0xD7, 0xC0, 0xEF, 0x7B, - 0x5B, 0xBF, 0x2F, 0xE5, 0xE2, 0x8C, 0xBA, 0x12, - 0xE1, 0xAF, 0xB2, 0x54, 0x5D, 0x59, 0x76, 0xDB, - 0x32, 0xA2, 0x58, 0x6E, 0x1C, 0x29, 0x64, 0xF3, - 0xE9, 0x96, 0x0C, 0x98, 0x19, 0x8D, 0x3E, 0x26, - 0xAB, 0xA5, 0x85, 0x16, 0x40, 0xBD, 0x49, 0x67, - 0xDC, 0x22, 0x94, 0xBB, 0x3C, 0xC1, 0x9B, 0xEB, - 0x45, 0x28, 0x18, 0xD8, 0x1A, 0x42, 0x7D, 0xCC, - 0xFB, 0x65, 0x8E, 0x3D, 0xCD, 0x2A, 0xA3, 0x60, - 0xAE, 0x93, 0x8A, 0x48, 0x97, 0x51, 0x15, 0xF7, - 0x01, 0x0B, 0xB7, 0x36, 0xB1, 0x2E, 0x11, 0xFD, - 0x84, 0x2D, 0x3F, 0x13, 0x88, 0xB3, 0x34, 0x24, - 0x1B, 0xDE, 0xC5, 0x1D, 0x4D, 0x2B, 0x17, 0x31, - 0x74, 0xA9, 0xC6, 0x43, 0x6D, 0x39, 0x90, 0xBE, - 0xC3, 0xB0, 0x21, 0x6B, 0xF6, 0x0F, 0xD5, 0x99, - 0x0D, 0xAC, 0x1F, 0x5C, 0x9E, 0xF5, 0xF9, 0x4C, - 0xD6, 0xDF, 0x89, 0xE4, 0x8B, 0xFF, 0xC7, 0xAA, - 0xE7, 0xED, 0x46, 0x25, 0xB6, 0x06, 0x5E, 0x35, - 0xB5, 0xEC, 0xCE, 0xE8, 0x6C, 0x30, 0x55, 0x61, - 0x4A, 0xFE, 0xA0, 0x79, 0x03, 0xF0, 0x10, 0x72, - 0x7C, 0xCF, 0x52, 0xA6, 0xA7, 0xEE, 0x44, 0xD3, - 0x9A, 0x57, 0x92, 0xD0, 0x5A, 0x7A, 0x41, 0x7F, - 0x0E, 0x00, 0x63, 0xF2, 0x4F, 0x05, 0x83, 0xC9, - 0xA1, 0xD4, 0xDD, 0xC4, 0x56, 0xF4, 0xD2, 0x77, - 0x81, 0x09, 0x82, 0x33, 0x9F, 0x07, 0x86, 0x75, - 0x38, 0x4E, 0x69, 0xF1, 0xAD, 0x23, 0x73, 0x87, - 0x70, 0x02, 0xC2, 0x1E, 0xB8, 0x0A, 0xFC, 0xE6 - ); - - /** - * Test for engine validity - * - * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Base::isValidEngine() - * - * @see \phpseclib\Crypt\Base::__construct() - * @param int $engine - * @access public - * @return bool - */ - function isValidEngine($engine) - { - switch ($engine) { - case self::ENGINE_OPENSSL: - if ($this->current_key_length != 128 || strlen($this->orig_key) < 16) { - return false; - } - $this->cipher_name_openssl_ecb = 'rc2-ecb'; - $this->cipher_name_openssl = 'rc2-' . $this->_openssl_translate_mode(); - } - - return parent::isValidEngine($engine); - } - - /** - * Sets the key length. - * - * Valid key lengths are 8 to 1024. - * Calling this function after setting the key has no effect until the next - * \phpseclib\Crypt\RC2::setKey() call. - * - * @access public - * @param int $length in bits - */ - function setKeyLength($length) - { - if ($length < 8) { - $this->default_key_length = 1; - } elseif ($length > 1024) { - $this->default_key_length = 128; - } else { - $this->default_key_length = $length; - } - $this->current_key_length = $this->default_key_length; - - parent::setKeyLength($length); - } - - /** - * Returns the current key length - * - * @access public - * @return int - */ - function getKeyLength() - { - return $this->current_key_length; - } - - /** - * Sets the key. - * - * Keys can be of any length. RC2, itself, uses 8 to 1024 bit keys (eg. - * strlen($key) <= 128), however, we only use the first 128 bytes if $key - * has more then 128 bytes in it, and set $key to a single null byte if - * it is empty. - * - * If the key is not explicitly set, it'll be assumed to be a single - * null byte. - * - * @see \phpseclib\Crypt\Base::setKey() - * @access public - * @param string $key - * @param int $t1 optional Effective key length in bits. - */ - function setKey($key, $t1 = 0) - { - $this->orig_key = $key; - - if ($t1 <= 0) { - $t1 = $this->default_key_length; - } elseif ($t1 > 1024) { - $t1 = 1024; - } - $this->current_key_length = $t1; - // Key byte count should be 1..128. - $key = strlen($key) ? substr($key, 0, 128) : "\x00"; - $t = strlen($key); - - // The mcrypt RC2 implementation only supports effective key length - // of 1024 bits. It is however possible to handle effective key - // lengths in range 1..1024 by expanding the key and applying - // inverse pitable mapping to the first byte before submitting it - // to mcrypt. - - // Key expansion. - $l = array_values(unpack('C*', $key)); - $t8 = ($t1 + 7) >> 3; - $tm = 0xFF >> (8 * $t8 - $t1); - - // Expand key. - $pitable = $this->pitable; - for ($i = $t; $i < 128; $i++) { - $l[$i] = $pitable[$l[$i - 1] + $l[$i - $t]]; - } - $i = 128 - $t8; - $l[$i] = $pitable[$l[$i] & $tm]; - while ($i--) { - $l[$i] = $pitable[$l[$i + 1] ^ $l[$i + $t8]]; - } - - // Prepare the key for mcrypt. - $l[0] = $this->invpitable[$l[0]]; - array_unshift($l, 'C*'); - - parent::setKey(call_user_func_array('pack', $l)); - } - - /** - * Encrypts a message. - * - * Mostly a wrapper for \phpseclib\Crypt\Base::encrypt, with some additional OpenSSL handling code - * - * @see self::decrypt() - * @access public - * @param string $plaintext - * @return string $ciphertext - */ - function encrypt($plaintext) - { - if ($this->engine == self::ENGINE_OPENSSL) { - $temp = $this->key; - $this->key = $this->orig_key; - $result = parent::encrypt($plaintext); - $this->key = $temp; - return $result; - } - - return parent::encrypt($plaintext); - } - - /** - * Decrypts a message. - * - * Mostly a wrapper for \phpseclib\Crypt\Base::decrypt, with some additional OpenSSL handling code - * - * @see self::encrypt() - * @access public - * @param string $ciphertext - * @return string $plaintext - */ - function decrypt($ciphertext) - { - if ($this->engine == self::ENGINE_OPENSSL) { - $temp = $this->key; - $this->key = $this->orig_key; - $result = parent::decrypt($ciphertext); - $this->key = $temp; - return $result; - } - - return parent::decrypt($ciphertext); - } - - /** - * Encrypts a block - * - * @see \phpseclib\Crypt\Base::_encryptBlock() - * @see \phpseclib\Crypt\Base::encrypt() - * @access private - * @param string $in - * @return string - */ - function _encryptBlock($in) - { - list($r0, $r1, $r2, $r3) = array_values(unpack('v*', $in)); - $keys = $this->keys; - $limit = 20; - $actions = array($limit => 44, 44 => 64); - $j = 0; - - for (;;) { - // Mixing round. - $r0 = (($r0 + $keys[$j++] + ((($r1 ^ $r2) & $r3) ^ $r1)) & 0xFFFF) << 1; - $r0 |= $r0 >> 16; - $r1 = (($r1 + $keys[$j++] + ((($r2 ^ $r3) & $r0) ^ $r2)) & 0xFFFF) << 2; - $r1 |= $r1 >> 16; - $r2 = (($r2 + $keys[$j++] + ((($r3 ^ $r0) & $r1) ^ $r3)) & 0xFFFF) << 3; - $r2 |= $r2 >> 16; - $r3 = (($r3 + $keys[$j++] + ((($r0 ^ $r1) & $r2) ^ $r0)) & 0xFFFF) << 5; - $r3 |= $r3 >> 16; - - if ($j === $limit) { - if ($limit === 64) { - break; - } - - // Mashing round. - $r0 += $keys[$r3 & 0x3F]; - $r1 += $keys[$r0 & 0x3F]; - $r2 += $keys[$r1 & 0x3F]; - $r3 += $keys[$r2 & 0x3F]; - $limit = $actions[$limit]; - } - } - - return pack('vvvv', $r0, $r1, $r2, $r3); - } - - /** - * Decrypts a block - * - * @see \phpseclib\Crypt\Base::_decryptBlock() - * @see \phpseclib\Crypt\Base::decrypt() - * @access private - * @param string $in - * @return string - */ - function _decryptBlock($in) - { - list($r0, $r1, $r2, $r3) = array_values(unpack('v*', $in)); - $keys = $this->keys; - $limit = 44; - $actions = array($limit => 20, 20 => 0); - $j = 64; - - for (;;) { - // R-mixing round. - $r3 = ($r3 | ($r3 << 16)) >> 5; - $r3 = ($r3 - $keys[--$j] - ((($r0 ^ $r1) & $r2) ^ $r0)) & 0xFFFF; - $r2 = ($r2 | ($r2 << 16)) >> 3; - $r2 = ($r2 - $keys[--$j] - ((($r3 ^ $r0) & $r1) ^ $r3)) & 0xFFFF; - $r1 = ($r1 | ($r1 << 16)) >> 2; - $r1 = ($r1 - $keys[--$j] - ((($r2 ^ $r3) & $r0) ^ $r2)) & 0xFFFF; - $r0 = ($r0 | ($r0 << 16)) >> 1; - $r0 = ($r0 - $keys[--$j] - ((($r1 ^ $r2) & $r3) ^ $r1)) & 0xFFFF; - - if ($j === $limit) { - if ($limit === 0) { - break; - } - - // R-mashing round. - $r3 = ($r3 - $keys[$r2 & 0x3F]) & 0xFFFF; - $r2 = ($r2 - $keys[$r1 & 0x3F]) & 0xFFFF; - $r1 = ($r1 - $keys[$r0 & 0x3F]) & 0xFFFF; - $r0 = ($r0 - $keys[$r3 & 0x3F]) & 0xFFFF; - $limit = $actions[$limit]; - } - } - - return pack('vvvv', $r0, $r1, $r2, $r3); - } - - /** - * Setup the \phpseclib\Crypt\Base::ENGINE_MCRYPT $engine - * - * @see \phpseclib\Crypt\Base::_setupMcrypt() - * @access private - */ - function _setupMcrypt() - { - if (!isset($this->key)) { - $this->setKey(''); - } - - parent::_setupMcrypt(); - } - - /** - * Creates the key schedule - * - * @see \phpseclib\Crypt\Base::_setupKey() - * @access private - */ - function _setupKey() - { - if (!isset($this->key)) { - $this->setKey(''); - } - - // Key has already been expanded in \phpseclib\Crypt\RC2::setKey(): - // Only the first value must be altered. - $l = unpack('Ca/Cb/v*', $this->key); - array_unshift($l, $this->pitable[$l['a']] | ($l['b'] << 8)); - unset($l['a']); - unset($l['b']); - $this->keys = $l; - } - - /** - * Setup the performance-optimized function for de/encrypt() - * - * @see \phpseclib\Crypt\Base::_setupInlineCrypt() - * @access private - */ - function _setupInlineCrypt() - { - $lambda_functions =& self::_getLambdaFunctions(); - - // The first 10 generated $lambda_functions will use the $keys hardcoded as integers - // for the mixing rounds, for better inline crypt performance [~20% faster]. - // But for memory reason we have to limit those ultra-optimized $lambda_functions to an amount of 10. - // (Currently, for Crypt_RC2, one generated $lambda_function cost on php5.5@32bit ~60kb unfreeable mem and ~100kb on php5.5@64bit) - $gen_hi_opt_code = (bool)(count($lambda_functions) < 10); - - // Generation of a unique hash for our generated code - $code_hash = "Crypt_RC2, {$this->mode}"; - if ($gen_hi_opt_code) { - $code_hash = str_pad($code_hash, 32) . $this->_hashInlineCryptFunction($this->key); - } - - // Is there a re-usable $lambda_functions in there? - // If not, we have to create it. - if (!isset($lambda_functions[$code_hash])) { - // Init code for both, encrypt and decrypt. - $init_crypt = '$keys = $self->keys;'; - - switch (true) { - case $gen_hi_opt_code: - $keys = $this->keys; - default: - $keys = array(); - foreach ($this->keys as $k => $v) { - $keys[$k] = '$keys[' . $k . ']'; - } - } - - // $in is the current 8 bytes block which has to be en/decrypt - $encrypt_block = $decrypt_block = ' - $in = unpack("v4", $in); - $r0 = $in[1]; - $r1 = $in[2]; - $r2 = $in[3]; - $r3 = $in[4]; - '; - - // Create code for encryption. - $limit = 20; - $actions = array($limit => 44, 44 => 64); - $j = 0; - - for (;;) { - // Mixing round. - $encrypt_block .= ' - $r0 = (($r0 + ' . $keys[$j++] . ' + - ((($r1 ^ $r2) & $r3) ^ $r1)) & 0xFFFF) << 1; - $r0 |= $r0 >> 16; - $r1 = (($r1 + ' . $keys[$j++] . ' + - ((($r2 ^ $r3) & $r0) ^ $r2)) & 0xFFFF) << 2; - $r1 |= $r1 >> 16; - $r2 = (($r2 + ' . $keys[$j++] . ' + - ((($r3 ^ $r0) & $r1) ^ $r3)) & 0xFFFF) << 3; - $r2 |= $r2 >> 16; - $r3 = (($r3 + ' . $keys[$j++] . ' + - ((($r0 ^ $r1) & $r2) ^ $r0)) & 0xFFFF) << 5; - $r3 |= $r3 >> 16;'; - - if ($j === $limit) { - if ($limit === 64) { - break; - } - - // Mashing round. - $encrypt_block .= ' - $r0 += $keys[$r3 & 0x3F]; - $r1 += $keys[$r0 & 0x3F]; - $r2 += $keys[$r1 & 0x3F]; - $r3 += $keys[$r2 & 0x3F];'; - $limit = $actions[$limit]; - } - } - - $encrypt_block .= '$in = pack("v4", $r0, $r1, $r2, $r3);'; - - // Create code for decryption. - $limit = 44; - $actions = array($limit => 20, 20 => 0); - $j = 64; - - for (;;) { - // R-mixing round. - $decrypt_block .= ' - $r3 = ($r3 | ($r3 << 16)) >> 5; - $r3 = ($r3 - ' . $keys[--$j] . ' - - ((($r0 ^ $r1) & $r2) ^ $r0)) & 0xFFFF; - $r2 = ($r2 | ($r2 << 16)) >> 3; - $r2 = ($r2 - ' . $keys[--$j] . ' - - ((($r3 ^ $r0) & $r1) ^ $r3)) & 0xFFFF; - $r1 = ($r1 | ($r1 << 16)) >> 2; - $r1 = ($r1 - ' . $keys[--$j] . ' - - ((($r2 ^ $r3) & $r0) ^ $r2)) & 0xFFFF; - $r0 = ($r0 | ($r0 << 16)) >> 1; - $r0 = ($r0 - ' . $keys[--$j] . ' - - ((($r1 ^ $r2) & $r3) ^ $r1)) & 0xFFFF;'; - - if ($j === $limit) { - if ($limit === 0) { - break; - } - - // R-mashing round. - $decrypt_block .= ' - $r3 = ($r3 - $keys[$r2 & 0x3F]) & 0xFFFF; - $r2 = ($r2 - $keys[$r1 & 0x3F]) & 0xFFFF; - $r1 = ($r1 - $keys[$r0 & 0x3F]) & 0xFFFF; - $r0 = ($r0 - $keys[$r3 & 0x3F]) & 0xFFFF;'; - $limit = $actions[$limit]; - } - } - - $decrypt_block .= '$in = pack("v4", $r0, $r1, $r2, $r3);'; - - // Creates the inline-crypt function - $lambda_functions[$code_hash] = $this->_createInlineCryptFunction( - array( - 'init_crypt' => $init_crypt, - 'encrypt_block' => $encrypt_block, - 'decrypt_block' => $decrypt_block - ) - ); - } - - // Set the inline-crypt function as callback in: $this->inline_crypt - $this->inline_crypt = $lambda_functions[$code_hash]; - } -} diff --git a/lib/phpseclib/Crypt/RC4.php b/lib/phpseclib/Crypt/RC4.php deleted file mode 100644 index 25e4ff854d5..00000000000 --- a/lib/phpseclib/Crypt/RC4.php +++ /dev/null @@ -1,342 +0,0 @@ - - * setKey('abcdefgh'); - * - * $size = 10 * 1024; - * $plaintext = ''; - * for ($i = 0; $i < $size; $i++) { - * $plaintext.= 'a'; - * } - * - * echo $rc4->decrypt($rc4->encrypt($plaintext)); - * ?> - * - * - * @category Crypt - * @package RC4 - * @author Jim Wigginton - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -/** - * Pure-PHP implementation of RC4. - * - * @package RC4 - * @author Jim Wigginton - * @access public - */ -class RC4 extends Base -{ - /**#@+ - * @access private - * @see \phpseclib\Crypt\RC4::_crypt() - */ - const ENCRYPT = 0; - const DECRYPT = 1; - /**#@-*/ - - /** - * Block Length of the cipher - * - * RC4 is a stream cipher - * so we the block_size to 0 - * - * @see \phpseclib\Crypt\Base::block_size - * @var int - * @access private - */ - var $block_size = 0; - - /** - * Key Length (in bytes) - * - * @see \phpseclib\Crypt\RC4::setKeyLength() - * @var int - * @access private - */ - var $key_length = 128; // = 1024 bits - - /** - * The mcrypt specific name of the cipher - * - * @see \phpseclib\Crypt\Base::cipher_name_mcrypt - * @var string - * @access private - */ - var $cipher_name_mcrypt = 'arcfour'; - - /** - * Holds whether performance-optimized $inline_crypt() can/should be used. - * - * @see \phpseclib\Crypt\Base::inline_crypt - * @var mixed - * @access private - */ - var $use_inline_crypt = false; // currently not available - - /** - * The Key - * - * @see self::setKey() - * @var string - * @access private - */ - var $key; - - /** - * The Key Stream for decryption and encryption - * - * @see self::setKey() - * @var array - * @access private - */ - var $stream; - - /** - * Default Constructor. - * - * Determines whether or not the mcrypt extension should be used. - * - * @see \phpseclib\Crypt\Base::__construct() - * @return \phpseclib\Crypt\RC4 - * @access public - */ - function __construct() - { - parent::__construct(Base::MODE_STREAM); - } - - /** - * Test for engine validity - * - * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Base::isValidEngine() - * - * @see \phpseclib\Crypt\Base::__construct() - * @param int $engine - * @access public - * @return bool - */ - function isValidEngine($engine) - { - if ($engine == Base::ENGINE_OPENSSL) { - if (version_compare(PHP_VERSION, '5.3.7') >= 0) { - $this->cipher_name_openssl = 'rc4-40'; - } else { - switch (strlen($this->key)) { - case 5: - $this->cipher_name_openssl = 'rc4-40'; - break; - case 8: - $this->cipher_name_openssl = 'rc4-64'; - break; - case 16: - $this->cipher_name_openssl = 'rc4'; - break; - default: - return false; - } - } - } - - return parent::isValidEngine($engine); - } - - /** - * Dummy function. - * - * Some protocols, such as WEP, prepend an "initialization vector" to the key, effectively creating a new key [1]. - * If you need to use an initialization vector in this manner, feel free to prepend it to the key, yourself, before - * calling setKey(). - * - * [1] WEP's initialization vectors (IV's) are used in a somewhat insecure way. Since, in that protocol, - * the IV's are relatively easy to predict, an attack described by - * {@link http://www.drizzle.com/~aboba/IEEE/rc4_ksaproc.pdf Scott Fluhrer, Itsik Mantin, and Adi Shamir} - * can be used to quickly guess at the rest of the key. The following links elaborate: - * - * {@link http://www.rsa.com/rsalabs/node.asp?id=2009 http://www.rsa.com/rsalabs/node.asp?id=2009} - * {@link http://en.wikipedia.org/wiki/Related_key_attack http://en.wikipedia.org/wiki/Related_key_attack} - * - * @param string $iv - * @see self::setKey() - * @access public - */ - function setIV($iv) - { - } - - /** - * Sets the key length - * - * Keys can be between 1 and 256 bytes long. - * - * @access public - * @param int $length - */ - function setKeyLength($length) - { - if ($length < 8) { - $this->key_length = 1; - } elseif ($length > 2048) { - $this->key_length = 256; - } else { - $this->key_length = $length >> 3; - } - - parent::setKeyLength($length); - } - - /** - * Encrypts a message. - * - * @see \phpseclib\Crypt\Base::decrypt() - * @see self::_crypt() - * @access public - * @param string $plaintext - * @return string $ciphertext - */ - function encrypt($plaintext) - { - if ($this->engine != Base::ENGINE_INTERNAL) { - return parent::encrypt($plaintext); - } - return $this->_crypt($plaintext, self::ENCRYPT); - } - - /** - * Decrypts a message. - * - * $this->decrypt($this->encrypt($plaintext)) == $this->encrypt($this->encrypt($plaintext)). - * At least if the continuous buffer is disabled. - * - * @see \phpseclib\Crypt\Base::encrypt() - * @see self::_crypt() - * @access public - * @param string $ciphertext - * @return string $plaintext - */ - function decrypt($ciphertext) - { - if ($this->engine != Base::ENGINE_INTERNAL) { - return parent::decrypt($ciphertext); - } - return $this->_crypt($ciphertext, self::DECRYPT); - } - - /** - * Encrypts a block - * - * @access private - * @param string $in - */ - function _encryptBlock($in) - { - // RC4 does not utilize this method - } - - /** - * Decrypts a block - * - * @access private - * @param string $in - */ - function _decryptBlock($in) - { - // RC4 does not utilize this method - } - - /** - * Setup the key (expansion) - * - * @see \phpseclib\Crypt\Base::_setupKey() - * @access private - */ - function _setupKey() - { - $key = $this->key; - $keyLength = strlen($key); - $keyStream = range(0, 255); - $j = 0; - for ($i = 0; $i < 256; $i++) { - $j = ($j + $keyStream[$i] + ord($key[$i % $keyLength])) & 255; - $temp = $keyStream[$i]; - $keyStream[$i] = $keyStream[$j]; - $keyStream[$j] = $temp; - } - - $this->stream = array(); - $this->stream[self::DECRYPT] = $this->stream[self::ENCRYPT] = array( - 0, // index $i - 0, // index $j - $keyStream - ); - } - - /** - * Encrypts or decrypts a message. - * - * @see self::encrypt() - * @see self::decrypt() - * @access private - * @param string $text - * @param int $mode - * @return string $text - */ - function _crypt($text, $mode) - { - if ($this->changed) { - $this->_setup(); - $this->changed = false; - } - - $stream = &$this->stream[$mode]; - if ($this->continuousBuffer) { - $i = &$stream[0]; - $j = &$stream[1]; - $keyStream = &$stream[2]; - } else { - $i = $stream[0]; - $j = $stream[1]; - $keyStream = $stream[2]; - } - - $len = strlen($text); - for ($k = 0; $k < $len; ++$k) { - $i = ($i + 1) & 255; - $ksi = $keyStream[$i]; - $j = ($j + $ksi) & 255; - $ksj = $keyStream[$j]; - - $keyStream[$i] = $ksj; - $keyStream[$j] = $ksi; - $text[$k] = $text[$k] ^ chr($keyStream[($ksj + $ksi) & 255]); - } - - return $text; - } -} diff --git a/lib/phpseclib/Crypt/RSA.php b/lib/phpseclib/Crypt/RSA.php deleted file mode 100644 index c15e86d3864..00000000000 --- a/lib/phpseclib/Crypt/RSA.php +++ /dev/null @@ -1,3057 +0,0 @@ - - * createKey()); - * - * $plaintext = 'terrafrost'; - * - * $rsa->loadKey($privatekey); - * $ciphertext = $rsa->encrypt($plaintext); - * - * $rsa->loadKey($publickey); - * echo $rsa->decrypt($ciphertext); - * ?> - * - * - * Here's an example of how to create signatures and verify signatures with this library: - * - * createKey()); - * - * $plaintext = 'terrafrost'; - * - * $rsa->loadKey($privatekey); - * $signature = $rsa->sign($plaintext); - * - * $rsa->loadKey($publickey); - * echo $rsa->verify($plaintext, $signature) ? 'verified' : 'unverified'; - * ?> - * - * - * @category Crypt - * @package RSA - * @author Jim Wigginton - * @copyright 2009 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -use phpseclib\Math\BigInteger; - -/** - * Pure-PHP PKCS#1 compliant implementation of RSA. - * - * @package RSA - * @author Jim Wigginton - * @access public - */ -class RSA -{ - /**#@+ - * @access public - * @see self::encrypt() - * @see self::decrypt() - */ - /** - * Use {@link http://en.wikipedia.org/wiki/Optimal_Asymmetric_Encryption_Padding Optimal Asymmetric Encryption Padding} - * (OAEP) for encryption / decryption. - * - * Uses sha1 by default. - * - * @see self::setHash() - * @see self::setMGFHash() - */ - const ENCRYPTION_OAEP = 1; - /** - * Use PKCS#1 padding. - * - * Although self::ENCRYPTION_OAEP offers more security, including PKCS#1 padding is necessary for purposes of backwards - * compatibility with protocols (like SSH-1) written before OAEP's introduction. - */ - const ENCRYPTION_PKCS1 = 2; - /** - * Do not use any padding - * - * Although this method is not recommended it can none-the-less sometimes be useful if you're trying to decrypt some legacy - * stuff, if you're trying to diagnose why an encrypted message isn't decrypting, etc. - */ - const ENCRYPTION_NONE = 3; - /**#@-*/ - - /**#@+ - * @access public - * @see self::sign() - * @see self::verify() - * @see self::setHash() - */ - /** - * Use the Probabilistic Signature Scheme for signing - * - * Uses sha1 by default. - * - * @see self::setSaltLength() - * @see self::setMGFHash() - */ - const SIGNATURE_PSS = 1; - /** - * Use the PKCS#1 scheme by default. - * - * Although self::SIGNATURE_PSS offers more security, including PKCS#1 signing is necessary for purposes of backwards - * compatibility with protocols (like SSH-2) written before PSS's introduction. - */ - const SIGNATURE_PKCS1 = 2; - /**#@-*/ - - /**#@+ - * @access private - * @see \phpseclib\Crypt\RSA::createKey() - */ - /** - * ASN1 Integer - */ - const ASN1_INTEGER = 2; - /** - * ASN1 Bit String - */ - const ASN1_BITSTRING = 3; - /** - * ASN1 Octet String - */ - const ASN1_OCTETSTRING = 4; - /** - * ASN1 Object Identifier - */ - const ASN1_OBJECT = 6; - /** - * ASN1 Sequence (with the constucted bit set) - */ - const ASN1_SEQUENCE = 48; - /**#@-*/ - - /**#@+ - * @access private - * @see \phpseclib\Crypt\RSA::__construct() - */ - /** - * To use the pure-PHP implementation - */ - const MODE_INTERNAL = 1; - /** - * To use the OpenSSL library - * - * (if enabled; otherwise, the internal implementation will be used) - */ - const MODE_OPENSSL = 2; - /**#@-*/ - - /**#@+ - * @access public - * @see \phpseclib\Crypt\RSA::createKey() - * @see \phpseclib\Crypt\RSA::setPrivateKeyFormat() - */ - /** - * PKCS#1 formatted private key - * - * Used by OpenSSH - */ - const PRIVATE_FORMAT_PKCS1 = 0; - /** - * PuTTY formatted private key - */ - const PRIVATE_FORMAT_PUTTY = 1; - /** - * XML formatted private key - */ - const PRIVATE_FORMAT_XML = 2; - /** - * PKCS#8 formatted private key - */ - const PRIVATE_FORMAT_PKCS8 = 8; - /**#@-*/ - - /**#@+ - * @access public - * @see \phpseclib\Crypt\RSA::createKey() - * @see \phpseclib\Crypt\RSA::setPublicKeyFormat() - */ - /** - * Raw public key - * - * An array containing two \phpseclib\Math\BigInteger objects. - * - * The exponent can be indexed with any of the following: - * - * 0, e, exponent, publicExponent - * - * The modulus can be indexed with any of the following: - * - * 1, n, modulo, modulus - */ - const PUBLIC_FORMAT_RAW = 3; - /** - * PKCS#1 formatted public key (raw) - * - * Used by File/X509.php - * - * Has the following header: - * - * -----BEGIN RSA PUBLIC KEY----- - * - * Analogous to ssh-keygen's pem format (as specified by -m) - */ - const PUBLIC_FORMAT_PKCS1 = 4; - const PUBLIC_FORMAT_PKCS1_RAW = 4; - /** - * XML formatted public key - */ - const PUBLIC_FORMAT_XML = 5; - /** - * OpenSSH formatted public key - * - * Place in $HOME/.ssh/authorized_keys - */ - const PUBLIC_FORMAT_OPENSSH = 6; - /** - * PKCS#1 formatted public key (encapsulated) - * - * Used by PHP's openssl_public_encrypt() and openssl's rsautl (when -pubin is set) - * - * Has the following header: - * - * -----BEGIN PUBLIC KEY----- - * - * Analogous to ssh-keygen's pkcs8 format (as specified by -m). Although PKCS8 - * is specific to private keys it's basically creating a DER-encoded wrapper - * for keys. This just extends that same concept to public keys (much like ssh-keygen) - */ - const PUBLIC_FORMAT_PKCS8 = 7; - /**#@-*/ - - /** - * Precomputed Zero - * - * @var \phpseclib\Math\BigInteger - * @access private - */ - var $zero; - - /** - * Precomputed One - * - * @var \phpseclib\Math\BigInteger - * @access private - */ - var $one; - - /** - * Private Key Format - * - * @var int - * @access private - */ - var $privateKeyFormat = self::PRIVATE_FORMAT_PKCS1; - - /** - * Public Key Format - * - * @var int - * @access public - */ - var $publicKeyFormat = self::PUBLIC_FORMAT_PKCS8; - - /** - * Modulus (ie. n) - * - * @var \phpseclib\Math\BigInteger - * @access private - */ - var $modulus; - - /** - * Modulus length - * - * @var \phpseclib\Math\BigInteger - * @access private - */ - var $k; - - /** - * Exponent (ie. e or d) - * - * @var \phpseclib\Math\BigInteger - * @access private - */ - var $exponent; - - /** - * Primes for Chinese Remainder Theorem (ie. p and q) - * - * @var array - * @access private - */ - var $primes; - - /** - * Exponents for Chinese Remainder Theorem (ie. dP and dQ) - * - * @var array - * @access private - */ - var $exponents; - - /** - * Coefficients for Chinese Remainder Theorem (ie. qInv) - * - * @var array - * @access private - */ - var $coefficients; - - /** - * Hash name - * - * @var string - * @access private - */ - var $hashName; - - /** - * Hash function - * - * @var \phpseclib\Crypt\Hash - * @access private - */ - var $hash; - - /** - * Length of hash function output - * - * @var int - * @access private - */ - var $hLen; - - /** - * Length of salt - * - * @var int - * @access private - */ - var $sLen; - - /** - * Hash function for the Mask Generation Function - * - * @var \phpseclib\Crypt\Hash - * @access private - */ - var $mgfHash; - - /** - * Length of MGF hash function output - * - * @var int - * @access private - */ - var $mgfHLen; - - /** - * Encryption mode - * - * @var int - * @access private - */ - var $encryptionMode = self::ENCRYPTION_OAEP; - - /** - * Signature mode - * - * @var int - * @access private - */ - var $signatureMode = self::SIGNATURE_PSS; - - /** - * Public Exponent - * - * @var mixed - * @access private - */ - var $publicExponent = false; - - /** - * Password - * - * @var string - * @access private - */ - var $password = false; - - /** - * Components - * - * For use with parsing XML formatted keys. PHP's XML Parser functions use utilized - instead of PHP's DOM functions - - * because PHP's XML Parser functions work on PHP4 whereas PHP's DOM functions - although surperior - don't. - * - * @see self::_start_element_handler() - * @var array - * @access private - */ - var $components = array(); - - /** - * Current String - * - * For use with parsing XML formatted keys. - * - * @see self::_character_handler() - * @see self::_stop_element_handler() - * @var mixed - * @access private - */ - var $current; - - /** - * OpenSSL configuration file name. - * - * Set to null to use system configuration file. - * @see self::createKey() - * @var mixed - * @Access public - */ - var $configFile; - - /** - * Public key comment field. - * - * @var string - * @access private - */ - var $comment = 'phpseclib-generated-key'; - - /** - * The constructor - * - * If you want to make use of the openssl extension, you'll need to set the mode manually, yourself. The reason - * \phpseclib\Crypt\RSA doesn't do it is because OpenSSL doesn't fail gracefully. openssl_pkey_new(), in particular, requires - * openssl.cnf be present somewhere and, unfortunately, the only real way to find out is too late. - * - * @return \phpseclib\Crypt\RSA - * @access public - */ - function __construct() - { - $this->configFile = dirname(__FILE__) . '/../openssl.cnf'; - - if (!defined('CRYPT_RSA_MODE')) { - switch (true) { - // Math/BigInteger's openssl requirements are a little less stringent than Crypt/RSA's. in particular, - // Math/BigInteger doesn't require an openssl.cfg file whereas Crypt/RSA does. so if Math/BigInteger - // can't use OpenSSL it can be pretty trivially assumed, then, that Crypt/RSA can't either. - case defined('MATH_BIGINTEGER_OPENSSL_DISABLE'): - define('CRYPT_RSA_MODE', self::MODE_INTERNAL); - break; - case extension_loaded('openssl') && file_exists($this->configFile): - // some versions of XAMPP have mismatched versions of OpenSSL which causes it not to work - $versions = array(); - - // avoid generating errors (even with suppression) when phpinfo() is disabled (common in production systems) - if (strpos(ini_get('disable_functions'), 'phpinfo') === false) { - ob_start(); - @phpinfo(); - $content = ob_get_contents(); - ob_end_clean(); - - preg_match_all('#OpenSSL (Header|Library) Version(.*)#im', $content, $matches); - - if (!empty($matches[1])) { - for ($i = 0; $i < count($matches[1]); $i++) { - $fullVersion = trim(str_replace('=>', '', strip_tags($matches[2][$i]))); - - // Remove letter part in OpenSSL version - if (!preg_match('/(\d+\.\d+\.\d+)/i', $fullVersion, $m)) { - $versions[$matches[1][$i]] = $fullVersion; - } else { - $versions[$matches[1][$i]] = $m[0]; - } - } - } - } - - // it doesn't appear that OpenSSL versions were reported upon until PHP 5.3+ - switch (true) { - case !isset($versions['Header']): - case !isset($versions['Library']): - case $versions['Header'] == $versions['Library']: - case version_compare($versions['Header'], '1.0.0') >= 0 && version_compare($versions['Library'], '1.0.0') >= 0: - define('CRYPT_RSA_MODE', self::MODE_OPENSSL); - break; - default: - define('CRYPT_RSA_MODE', self::MODE_INTERNAL); - define('MATH_BIGINTEGER_OPENSSL_DISABLE', true); - } - break; - default: - define('CRYPT_RSA_MODE', self::MODE_INTERNAL); - } - } - - $this->zero = new BigInteger(); - $this->one = new BigInteger(1); - - $this->hash = new Hash('sha1'); - $this->hLen = $this->hash->getLength(); - $this->hashName = 'sha1'; - $this->mgfHash = new Hash('sha1'); - $this->mgfHLen = $this->mgfHash->getLength(); - } - - /** - * Create public / private key pair - * - * Returns an array with the following three elements: - * - 'privatekey': The private key. - * - 'publickey': The public key. - * - 'partialkey': A partially computed key (if the execution time exceeded $timeout). - * Will need to be passed back to \phpseclib\Crypt\RSA::createKey() as the third parameter for further processing. - * - * @access public - * @param int $bits - * @param int $timeout - * @param array $p - */ - function createKey($bits = 1024, $timeout = false, $partial = array()) - { - if (!defined('CRYPT_RSA_EXPONENT')) { - // http://en.wikipedia.org/wiki/65537_%28number%29 - define('CRYPT_RSA_EXPONENT', '65537'); - } - // per , this number ought not result in primes smaller - // than 256 bits. as a consequence if the key you're trying to create is 1024 bits and you've set CRYPT_RSA_SMALLEST_PRIME - // to 384 bits then you're going to get a 384 bit prime and a 640 bit prime (384 + 1024 % 384). at least if - // CRYPT_RSA_MODE is set to self::MODE_INTERNAL. if CRYPT_RSA_MODE is set to self::MODE_OPENSSL then - // CRYPT_RSA_SMALLEST_PRIME is ignored (ie. multi-prime RSA support is more intended as a way to speed up RSA key - // generation when there's a chance neither gmp nor OpenSSL are installed) - if (!defined('CRYPT_RSA_SMALLEST_PRIME')) { - define('CRYPT_RSA_SMALLEST_PRIME', 4096); - } - - // OpenSSL uses 65537 as the exponent and requires RSA keys be 384 bits minimum - if (CRYPT_RSA_MODE == self::MODE_OPENSSL && $bits >= 384 && CRYPT_RSA_EXPONENT == 65537) { - $config = array(); - if (isset($this->configFile)) { - $config['config'] = $this->configFile; - } - $rsa = openssl_pkey_new(array('private_key_bits' => $bits) + $config); - openssl_pkey_export($rsa, $privatekey, null, $config); - $publickey = openssl_pkey_get_details($rsa); - $publickey = $publickey['key']; - - $privatekey = call_user_func_array(array($this, '_convertPrivateKey'), array_values($this->_parseKey($privatekey, self::PRIVATE_FORMAT_PKCS1))); - $publickey = call_user_func_array(array($this, '_convertPublicKey'), array_values($this->_parseKey($publickey, self::PUBLIC_FORMAT_PKCS1))); - - // clear the buffer of error strings stemming from a minimalistic openssl.cnf - while (openssl_error_string() !== false) { - } - - return array( - 'privatekey' => $privatekey, - 'publickey' => $publickey, - 'partialkey' => false - ); - } - - static $e; - if (!isset($e)) { - $e = new BigInteger(CRYPT_RSA_EXPONENT); - } - - extract($this->_generateMinMax($bits)); - $absoluteMin = $min; - $temp = $bits >> 1; // divide by two to see how many bits P and Q would be - if ($temp > CRYPT_RSA_SMALLEST_PRIME) { - $num_primes = floor($bits / CRYPT_RSA_SMALLEST_PRIME); - $temp = CRYPT_RSA_SMALLEST_PRIME; - } else { - $num_primes = 2; - } - extract($this->_generateMinMax($temp + $bits % $temp)); - $finalMax = $max; - extract($this->_generateMinMax($temp)); - - $generator = new BigInteger(); - - $n = $this->one->copy(); - if (!empty($partial)) { - extract(unserialize($partial)); - } else { - $exponents = $coefficients = $primes = array(); - $lcm = array( - 'top' => $this->one->copy(), - 'bottom' => false - ); - } - - $start = time(); - $i0 = count($primes) + 1; - - do { - for ($i = $i0; $i <= $num_primes; $i++) { - if ($timeout !== false) { - $timeout-= time() - $start; - $start = time(); - if ($timeout <= 0) { - return array( - 'privatekey' => '', - 'publickey' => '', - 'partialkey' => serialize(array( - 'primes' => $primes, - 'coefficients' => $coefficients, - 'lcm' => $lcm, - 'exponents' => $exponents - )) - ); - } - } - - if ($i == $num_primes) { - list($min, $temp) = $absoluteMin->divide($n); - if (!$temp->equals($this->zero)) { - $min = $min->add($this->one); // ie. ceil() - } - $primes[$i] = $generator->randomPrime($min, $finalMax, $timeout); - } else { - $primes[$i] = $generator->randomPrime($min, $max, $timeout); - } - - if ($primes[$i] === false) { // if we've reached the timeout - if (count($primes) > 1) { - $partialkey = ''; - } else { - array_pop($primes); - $partialkey = serialize(array( - 'primes' => $primes, - 'coefficients' => $coefficients, - 'lcm' => $lcm, - 'exponents' => $exponents - )); - } - - return array( - 'privatekey' => '', - 'publickey' => '', - 'partialkey' => $partialkey - ); - } - - // the first coefficient is calculated differently from the rest - // ie. instead of being $primes[1]->modInverse($primes[2]), it's $primes[2]->modInverse($primes[1]) - if ($i > 2) { - $coefficients[$i] = $n->modInverse($primes[$i]); - } - - $n = $n->multiply($primes[$i]); - - $temp = $primes[$i]->subtract($this->one); - - // textbook RSA implementations use Euler's totient function instead of the least common multiple. - // see http://en.wikipedia.org/wiki/Euler%27s_totient_function - $lcm['top'] = $lcm['top']->multiply($temp); - $lcm['bottom'] = $lcm['bottom'] === false ? $temp : $lcm['bottom']->gcd($temp); - - $exponents[$i] = $e->modInverse($temp); - } - - list($temp) = $lcm['top']->divide($lcm['bottom']); - $gcd = $temp->gcd($e); - $i0 = 1; - } while (!$gcd->equals($this->one)); - - $d = $e->modInverse($temp); - - $coefficients[2] = $primes[2]->modInverse($primes[1]); - - // from : - // RSAPrivateKey ::= SEQUENCE { - // version Version, - // modulus INTEGER, -- n - // publicExponent INTEGER, -- e - // privateExponent INTEGER, -- d - // prime1 INTEGER, -- p - // prime2 INTEGER, -- q - // exponent1 INTEGER, -- d mod (p-1) - // exponent2 INTEGER, -- d mod (q-1) - // coefficient INTEGER, -- (inverse of q) mod p - // otherPrimeInfos OtherPrimeInfos OPTIONAL - // } - - return array( - 'privatekey' => $this->_convertPrivateKey($n, $e, $d, $primes, $exponents, $coefficients), - 'publickey' => $this->_convertPublicKey($n, $e), - 'partialkey' => false - ); - } - - /** - * Convert a private key to the appropriate format. - * - * @access private - * @see self::setPrivateKeyFormat() - * @param string $RSAPrivateKey - * @return string - */ - function _convertPrivateKey($n, $e, $d, $primes, $exponents, $coefficients) - { - $signed = $this->privateKeyFormat != self::PRIVATE_FORMAT_XML; - $num_primes = count($primes); - $raw = array( - 'version' => $num_primes == 2 ? chr(0) : chr(1), // two-prime vs. multi - 'modulus' => $n->toBytes($signed), - 'publicExponent' => $e->toBytes($signed), - 'privateExponent' => $d->toBytes($signed), - 'prime1' => $primes[1]->toBytes($signed), - 'prime2' => $primes[2]->toBytes($signed), - 'exponent1' => $exponents[1]->toBytes($signed), - 'exponent2' => $exponents[2]->toBytes($signed), - 'coefficient' => $coefficients[2]->toBytes($signed) - ); - - // if the format in question does not support multi-prime rsa and multi-prime rsa was used, - // call _convertPublicKey() instead. - switch ($this->privateKeyFormat) { - case self::PRIVATE_FORMAT_XML: - if ($num_primes != 2) { - return false; - } - return "\r\n" . - ' ' . base64_encode($raw['modulus']) . "\r\n" . - ' ' . base64_encode($raw['publicExponent']) . "\r\n" . - '

' . base64_encode($raw['prime1']) . "

\r\n" . - ' ' . base64_encode($raw['prime2']) . "\r\n" . - ' ' . base64_encode($raw['exponent1']) . "\r\n" . - ' ' . base64_encode($raw['exponent2']) . "\r\n" . - ' ' . base64_encode($raw['coefficient']) . "\r\n" . - ' ' . base64_encode($raw['privateExponent']) . "\r\n" . - ''; - break; - case self::PRIVATE_FORMAT_PUTTY: - if ($num_primes != 2) { - return false; - } - $key = "PuTTY-User-Key-File-2: ssh-rsa\r\nEncryption: "; - $encryption = (!empty($this->password) || is_string($this->password)) ? 'aes256-cbc' : 'none'; - $key.= $encryption; - $key.= "\r\nComment: " . $this->comment . "\r\n"; - $public = pack( - 'Na*Na*Na*', - strlen('ssh-rsa'), - 'ssh-rsa', - strlen($raw['publicExponent']), - $raw['publicExponent'], - strlen($raw['modulus']), - $raw['modulus'] - ); - $source = pack( - 'Na*Na*Na*Na*', - strlen('ssh-rsa'), - 'ssh-rsa', - strlen($encryption), - $encryption, - strlen($this->comment), - $this->comment, - strlen($public), - $public - ); - $public = base64_encode($public); - $key.= "Public-Lines: " . ((strlen($public) + 63) >> 6) . "\r\n"; - $key.= chunk_split($public, 64); - $private = pack( - 'Na*Na*Na*Na*', - strlen($raw['privateExponent']), - $raw['privateExponent'], - strlen($raw['prime1']), - $raw['prime1'], - strlen($raw['prime2']), - $raw['prime2'], - strlen($raw['coefficient']), - $raw['coefficient'] - ); - if (empty($this->password) && !is_string($this->password)) { - $source.= pack('Na*', strlen($private), $private); - $hashkey = 'putty-private-key-file-mac-key'; - } else { - $private.= Random::string(16 - (strlen($private) & 15)); - $source.= pack('Na*', strlen($private), $private); - $sequence = 0; - $symkey = ''; - while (strlen($symkey) < 32) { - $temp = pack('Na*', $sequence++, $this->password); - $symkey.= pack('H*', sha1($temp)); - } - $symkey = substr($symkey, 0, 32); - $crypto = new AES(); - - $crypto->setKey($symkey); - $crypto->disablePadding(); - $private = $crypto->encrypt($private); - $hashkey = 'putty-private-key-file-mac-key' . $this->password; - } - - $private = base64_encode($private); - $key.= 'Private-Lines: ' . ((strlen($private) + 63) >> 6) . "\r\n"; - $key.= chunk_split($private, 64); - $hash = new Hash('sha1'); - $hash->setKey(pack('H*', sha1($hashkey))); - $key.= 'Private-MAC: ' . bin2hex($hash->hash($source)) . "\r\n"; - - return $key; - default: // eg. self::PRIVATE_FORMAT_PKCS1 - $components = array(); - foreach ($raw as $name => $value) { - $components[$name] = pack('Ca*a*', self::ASN1_INTEGER, $this->_encodeLength(strlen($value)), $value); - } - - $RSAPrivateKey = implode('', $components); - - if ($num_primes > 2) { - $OtherPrimeInfos = ''; - for ($i = 3; $i <= $num_primes; $i++) { - // OtherPrimeInfos ::= SEQUENCE SIZE(1..MAX) OF OtherPrimeInfo - // - // OtherPrimeInfo ::= SEQUENCE { - // prime INTEGER, -- ri - // exponent INTEGER, -- di - // coefficient INTEGER -- ti - // } - $OtherPrimeInfo = pack('Ca*a*', self::ASN1_INTEGER, $this->_encodeLength(strlen($primes[$i]->toBytes(true))), $primes[$i]->toBytes(true)); - $OtherPrimeInfo.= pack('Ca*a*', self::ASN1_INTEGER, $this->_encodeLength(strlen($exponents[$i]->toBytes(true))), $exponents[$i]->toBytes(true)); - $OtherPrimeInfo.= pack('Ca*a*', self::ASN1_INTEGER, $this->_encodeLength(strlen($coefficients[$i]->toBytes(true))), $coefficients[$i]->toBytes(true)); - $OtherPrimeInfos.= pack('Ca*a*', self::ASN1_SEQUENCE, $this->_encodeLength(strlen($OtherPrimeInfo)), $OtherPrimeInfo); - } - $RSAPrivateKey.= pack('Ca*a*', self::ASN1_SEQUENCE, $this->_encodeLength(strlen($OtherPrimeInfos)), $OtherPrimeInfos); - } - - $RSAPrivateKey = pack('Ca*a*', self::ASN1_SEQUENCE, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey); - - if ($this->privateKeyFormat == self::PRIVATE_FORMAT_PKCS8) { - $rsaOID = pack('H*', '300d06092a864886f70d0101010500'); // hex version of MA0GCSqGSIb3DQEBAQUA - $RSAPrivateKey = pack( - 'Ca*a*Ca*a*', - self::ASN1_INTEGER, - "\01\00", - $rsaOID, - 4, - $this->_encodeLength(strlen($RSAPrivateKey)), - $RSAPrivateKey - ); - $RSAPrivateKey = pack('Ca*a*', self::ASN1_SEQUENCE, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey); - if (!empty($this->password) || is_string($this->password)) { - $salt = Random::string(8); - $iterationCount = 2048; - - $crypto = new DES(); - $crypto->setPassword($this->password, 'pbkdf1', 'md5', $salt, $iterationCount); - $RSAPrivateKey = $crypto->encrypt($RSAPrivateKey); - - $parameters = pack( - 'Ca*a*Ca*N', - self::ASN1_OCTETSTRING, - $this->_encodeLength(strlen($salt)), - $salt, - self::ASN1_INTEGER, - $this->_encodeLength(4), - $iterationCount - ); - $pbeWithMD5AndDES_CBC = "\x2a\x86\x48\x86\xf7\x0d\x01\x05\x03"; - - $encryptionAlgorithm = pack( - 'Ca*a*Ca*a*', - self::ASN1_OBJECT, - $this->_encodeLength(strlen($pbeWithMD5AndDES_CBC)), - $pbeWithMD5AndDES_CBC, - self::ASN1_SEQUENCE, - $this->_encodeLength(strlen($parameters)), - $parameters - ); - - $RSAPrivateKey = pack( - 'Ca*a*Ca*a*', - self::ASN1_SEQUENCE, - $this->_encodeLength(strlen($encryptionAlgorithm)), - $encryptionAlgorithm, - self::ASN1_OCTETSTRING, - $this->_encodeLength(strlen($RSAPrivateKey)), - $RSAPrivateKey - ); - - $RSAPrivateKey = pack('Ca*a*', self::ASN1_SEQUENCE, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey); - - $RSAPrivateKey = "-----BEGIN ENCRYPTED PRIVATE KEY-----\r\n" . - chunk_split(base64_encode($RSAPrivateKey), 64) . - '-----END ENCRYPTED PRIVATE KEY-----'; - } else { - $RSAPrivateKey = "-----BEGIN PRIVATE KEY-----\r\n" . - chunk_split(base64_encode($RSAPrivateKey), 64) . - '-----END PRIVATE KEY-----'; - } - return $RSAPrivateKey; - } - - if (!empty($this->password) || is_string($this->password)) { - $iv = Random::string(8); - $symkey = pack('H*', md5($this->password . $iv)); // symkey is short for symmetric key - $symkey.= substr(pack('H*', md5($symkey . $this->password . $iv)), 0, 8); - $des = new TripleDES(); - $des->setKey($symkey); - $des->setIV($iv); - $iv = strtoupper(bin2hex($iv)); - $RSAPrivateKey = "-----BEGIN RSA PRIVATE KEY-----\r\n" . - "Proc-Type: 4,ENCRYPTED\r\n" . - "DEK-Info: DES-EDE3-CBC,$iv\r\n" . - "\r\n" . - chunk_split(base64_encode($des->encrypt($RSAPrivateKey)), 64) . - '-----END RSA PRIVATE KEY-----'; - } else { - $RSAPrivateKey = "-----BEGIN RSA PRIVATE KEY-----\r\n" . - chunk_split(base64_encode($RSAPrivateKey), 64) . - '-----END RSA PRIVATE KEY-----'; - } - - return $RSAPrivateKey; - } - } - - /** - * Convert a public key to the appropriate format - * - * @access private - * @see self::setPublicKeyFormat() - * @param string $RSAPrivateKey - * @return string - */ - function _convertPublicKey($n, $e) - { - $signed = $this->publicKeyFormat != self::PUBLIC_FORMAT_XML; - - $modulus = $n->toBytes($signed); - $publicExponent = $e->toBytes($signed); - - switch ($this->publicKeyFormat) { - case self::PUBLIC_FORMAT_RAW: - return array('e' => $e->copy(), 'n' => $n->copy()); - case self::PUBLIC_FORMAT_XML: - return "\r\n" . - ' ' . base64_encode($modulus) . "\r\n" . - ' ' . base64_encode($publicExponent) . "\r\n" . - ''; - break; - case self::PUBLIC_FORMAT_OPENSSH: - // from : - // string "ssh-rsa" - // mpint e - // mpint n - $RSAPublicKey = pack('Na*Na*Na*', strlen('ssh-rsa'), 'ssh-rsa', strlen($publicExponent), $publicExponent, strlen($modulus), $modulus); - $RSAPublicKey = 'ssh-rsa ' . base64_encode($RSAPublicKey) . ' ' . $this->comment; - - return $RSAPublicKey; - default: // eg. self::PUBLIC_FORMAT_PKCS1_RAW or self::PUBLIC_FORMAT_PKCS1 - // from : - // RSAPublicKey ::= SEQUENCE { - // modulus INTEGER, -- n - // publicExponent INTEGER -- e - // } - $components = array( - 'modulus' => pack('Ca*a*', self::ASN1_INTEGER, $this->_encodeLength(strlen($modulus)), $modulus), - 'publicExponent' => pack('Ca*a*', self::ASN1_INTEGER, $this->_encodeLength(strlen($publicExponent)), $publicExponent) - ); - - $RSAPublicKey = pack( - 'Ca*a*a*', - self::ASN1_SEQUENCE, - $this->_encodeLength(strlen($components['modulus']) + strlen($components['publicExponent'])), - $components['modulus'], - $components['publicExponent'] - ); - - if ($this->publicKeyFormat == self::PUBLIC_FORMAT_PKCS1_RAW) { - $RSAPublicKey = "-----BEGIN RSA PUBLIC KEY-----\r\n" . - chunk_split(base64_encode($RSAPublicKey), 64) . - '-----END RSA PUBLIC KEY-----'; - } else { - // sequence(oid(1.2.840.113549.1.1.1), null)) = rsaEncryption. - $rsaOID = pack('H*', '300d06092a864886f70d0101010500'); // hex version of MA0GCSqGSIb3DQEBAQUA - $RSAPublicKey = chr(0) . $RSAPublicKey; - $RSAPublicKey = chr(3) . $this->_encodeLength(strlen($RSAPublicKey)) . $RSAPublicKey; - - $RSAPublicKey = pack( - 'Ca*a*', - self::ASN1_SEQUENCE, - $this->_encodeLength(strlen($rsaOID . $RSAPublicKey)), - $rsaOID . $RSAPublicKey - ); - - $RSAPublicKey = "-----BEGIN PUBLIC KEY-----\r\n" . - chunk_split(base64_encode($RSAPublicKey), 64) . - '-----END PUBLIC KEY-----'; - } - - return $RSAPublicKey; - } - } - - /** - * Break a public or private key down into its constituant components - * - * @access private - * @see self::_convertPublicKey() - * @see self::_convertPrivateKey() - * @param string $key - * @param int $type - * @return array - */ - function _parseKey($key, $type) - { - if ($type != self::PUBLIC_FORMAT_RAW && !is_string($key)) { - return false; - } - - switch ($type) { - case self::PUBLIC_FORMAT_RAW: - if (!is_array($key)) { - return false; - } - $components = array(); - switch (true) { - case isset($key['e']): - $components['publicExponent'] = $key['e']->copy(); - break; - case isset($key['exponent']): - $components['publicExponent'] = $key['exponent']->copy(); - break; - case isset($key['publicExponent']): - $components['publicExponent'] = $key['publicExponent']->copy(); - break; - case isset($key[0]): - $components['publicExponent'] = $key[0]->copy(); - } - switch (true) { - case isset($key['n']): - $components['modulus'] = $key['n']->copy(); - break; - case isset($key['modulo']): - $components['modulus'] = $key['modulo']->copy(); - break; - case isset($key['modulus']): - $components['modulus'] = $key['modulus']->copy(); - break; - case isset($key[1]): - $components['modulus'] = $key[1]->copy(); - } - return isset($components['modulus']) && isset($components['publicExponent']) ? $components : false; - case self::PRIVATE_FORMAT_PKCS1: - case self::PRIVATE_FORMAT_PKCS8: - case self::PUBLIC_FORMAT_PKCS1: - /* Although PKCS#1 proposes a format that public and private keys can use, encrypting them is - "outside the scope" of PKCS#1. PKCS#1 then refers you to PKCS#12 and PKCS#15 if you're wanting to - protect private keys, however, that's not what OpenSSL* does. OpenSSL protects private keys by adding - two new "fields" to the key - DEK-Info and Proc-Type. These fields are discussed here: - - http://tools.ietf.org/html/rfc1421#section-4.6.1.1 - http://tools.ietf.org/html/rfc1421#section-4.6.1.3 - - DES-EDE3-CBC as an algorithm, however, is not discussed anywhere, near as I can tell. - DES-CBC and DES-EDE are discussed in RFC1423, however, DES-EDE3-CBC isn't, nor is its key derivation - function. As is, the definitive authority on this encoding scheme isn't the IETF but rather OpenSSL's - own implementation. ie. the implementation *is* the standard and any bugs that may exist in that - implementation are part of the standard, as well. - - * OpenSSL is the de facto standard. It's utilized by OpenSSH and other projects */ - if (preg_match('#DEK-Info: (.+),(.+)#', $key, $matches)) { - $iv = pack('H*', trim($matches[2])); - $symkey = pack('H*', md5($this->password . substr($iv, 0, 8))); // symkey is short for symmetric key - $symkey.= pack('H*', md5($symkey . $this->password . substr($iv, 0, 8))); - // remove the Proc-Type / DEK-Info sections as they're no longer needed - $key = preg_replace('#^(?:Proc-Type|DEK-Info): .*#m', '', $key); - $ciphertext = $this->_extractBER($key); - if ($ciphertext === false) { - $ciphertext = $key; - } - switch ($matches[1]) { - case 'AES-256-CBC': - $crypto = new AES(); - break; - case 'AES-128-CBC': - $symkey = substr($symkey, 0, 16); - $crypto = new AES(); - break; - case 'DES-EDE3-CFB': - $crypto = new TripleDES(Base::MODE_CFB); - break; - case 'DES-EDE3-CBC': - $symkey = substr($symkey, 0, 24); - $crypto = new TripleDES(); - break; - case 'DES-CBC': - $crypto = new DES(); - break; - default: - return false; - } - $crypto->setKey($symkey); - $crypto->setIV($iv); - $decoded = $crypto->decrypt($ciphertext); - } else { - $decoded = $this->_extractBER($key); - } - - if ($decoded !== false) { - $key = $decoded; - } - - $components = array(); - - if (ord($this->_string_shift($key)) != self::ASN1_SEQUENCE) { - return false; - } - if ($this->_decodeLength($key) != strlen($key)) { - return false; - } - - $tag = ord($this->_string_shift($key)); - /* intended for keys for which OpenSSL's asn1parse returns the following: - - 0:d=0 hl=4 l= 631 cons: SEQUENCE - 4:d=1 hl=2 l= 1 prim: INTEGER :00 - 7:d=1 hl=2 l= 13 cons: SEQUENCE - 9:d=2 hl=2 l= 9 prim: OBJECT :rsaEncryption - 20:d=2 hl=2 l= 0 prim: NULL - 22:d=1 hl=4 l= 609 prim: OCTET STRING - - ie. PKCS8 keys*/ - - if ($tag == self::ASN1_INTEGER && substr($key, 0, 3) == "\x01\x00\x30") { - $this->_string_shift($key, 3); - $tag = self::ASN1_SEQUENCE; - } - - if ($tag == self::ASN1_SEQUENCE) { - $temp = $this->_string_shift($key, $this->_decodeLength($key)); - if (ord($this->_string_shift($temp)) != self::ASN1_OBJECT) { - return false; - } - $length = $this->_decodeLength($temp); - switch ($this->_string_shift($temp, $length)) { - case "\x2a\x86\x48\x86\xf7\x0d\x01\x01\x01": // rsaEncryption - break; - case "\x2a\x86\x48\x86\xf7\x0d\x01\x05\x03": // pbeWithMD5AndDES-CBC - /* - PBEParameter ::= SEQUENCE { - salt OCTET STRING (SIZE(8)), - iterationCount INTEGER } - */ - if (ord($this->_string_shift($temp)) != self::ASN1_SEQUENCE) { - return false; - } - if ($this->_decodeLength($temp) != strlen($temp)) { - return false; - } - $this->_string_shift($temp); // assume it's an octet string - $salt = $this->_string_shift($temp, $this->_decodeLength($temp)); - if (ord($this->_string_shift($temp)) != self::ASN1_INTEGER) { - return false; - } - $this->_decodeLength($temp); - list(, $iterationCount) = unpack('N', str_pad($temp, 4, chr(0), STR_PAD_LEFT)); - $this->_string_shift($key); // assume it's an octet string - $length = $this->_decodeLength($key); - if (strlen($key) != $length) { - return false; - } - - $crypto = new DES(); - $crypto->setPassword($this->password, 'pbkdf1', 'md5', $salt, $iterationCount); - $key = $crypto->decrypt($key); - if ($key === false) { - return false; - } - return $this->_parseKey($key, self::PRIVATE_FORMAT_PKCS1); - default: - return false; - } - /* intended for keys for which OpenSSL's asn1parse returns the following: - - 0:d=0 hl=4 l= 290 cons: SEQUENCE - 4:d=1 hl=2 l= 13 cons: SEQUENCE - 6:d=2 hl=2 l= 9 prim: OBJECT :rsaEncryption - 17:d=2 hl=2 l= 0 prim: NULL - 19:d=1 hl=4 l= 271 prim: BIT STRING */ - $tag = ord($this->_string_shift($key)); // skip over the BIT STRING / OCTET STRING tag - $this->_decodeLength($key); // skip over the BIT STRING / OCTET STRING length - // "The initial octet shall encode, as an unsigned binary integer wtih bit 1 as the least significant bit, the number of - // unused bits in the final subsequent octet. The number shall be in the range zero to seven." - // -- http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf (section 8.6.2.2) - if ($tag == self::ASN1_BITSTRING) { - $this->_string_shift($key); - } - if (ord($this->_string_shift($key)) != self::ASN1_SEQUENCE) { - return false; - } - if ($this->_decodeLength($key) != strlen($key)) { - return false; - } - $tag = ord($this->_string_shift($key)); - } - if ($tag != self::ASN1_INTEGER) { - return false; - } - - $length = $this->_decodeLength($key); - $temp = $this->_string_shift($key, $length); - if (strlen($temp) != 1 || ord($temp) > 2) { - $components['modulus'] = new BigInteger($temp, 256); - $this->_string_shift($key); // skip over self::ASN1_INTEGER - $length = $this->_decodeLength($key); - $components[$type == self::PUBLIC_FORMAT_PKCS1 ? 'publicExponent' : 'privateExponent'] = new BigInteger($this->_string_shift($key, $length), 256); - - return $components; - } - if (ord($this->_string_shift($key)) != self::ASN1_INTEGER) { - return false; - } - $length = $this->_decodeLength($key); - $components['modulus'] = new BigInteger($this->_string_shift($key, $length), 256); - $this->_string_shift($key); - $length = $this->_decodeLength($key); - $components['publicExponent'] = new BigInteger($this->_string_shift($key, $length), 256); - $this->_string_shift($key); - $length = $this->_decodeLength($key); - $components['privateExponent'] = new BigInteger($this->_string_shift($key, $length), 256); - $this->_string_shift($key); - $length = $this->_decodeLength($key); - $components['primes'] = array(1 => new BigInteger($this->_string_shift($key, $length), 256)); - $this->_string_shift($key); - $length = $this->_decodeLength($key); - $components['primes'][] = new BigInteger($this->_string_shift($key, $length), 256); - $this->_string_shift($key); - $length = $this->_decodeLength($key); - $components['exponents'] = array(1 => new BigInteger($this->_string_shift($key, $length), 256)); - $this->_string_shift($key); - $length = $this->_decodeLength($key); - $components['exponents'][] = new BigInteger($this->_string_shift($key, $length), 256); - $this->_string_shift($key); - $length = $this->_decodeLength($key); - $components['coefficients'] = array(2 => new BigInteger($this->_string_shift($key, $length), 256)); - - if (!empty($key)) { - if (ord($this->_string_shift($key)) != self::ASN1_SEQUENCE) { - return false; - } - $this->_decodeLength($key); - while (!empty($key)) { - if (ord($this->_string_shift($key)) != self::ASN1_SEQUENCE) { - return false; - } - $this->_decodeLength($key); - $key = substr($key, 1); - $length = $this->_decodeLength($key); - $components['primes'][] = new BigInteger($this->_string_shift($key, $length), 256); - $this->_string_shift($key); - $length = $this->_decodeLength($key); - $components['exponents'][] = new BigInteger($this->_string_shift($key, $length), 256); - $this->_string_shift($key); - $length = $this->_decodeLength($key); - $components['coefficients'][] = new BigInteger($this->_string_shift($key, $length), 256); - } - } - - return $components; - case self::PUBLIC_FORMAT_OPENSSH: - $parts = explode(' ', $key, 3); - - $key = isset($parts[1]) ? base64_decode($parts[1]) : false; - if ($key === false) { - return false; - } - - $comment = isset($parts[2]) ? $parts[2] : false; - - $cleanup = substr($key, 0, 11) == "\0\0\0\7ssh-rsa"; - - if (strlen($key) <= 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($key, 4))); - $publicExponent = new BigInteger($this->_string_shift($key, $length), -256); - if (strlen($key) <= 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($key, 4))); - $modulus = new BigInteger($this->_string_shift($key, $length), -256); - - if ($cleanup && strlen($key)) { - if (strlen($key) <= 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($key, 4))); - $realModulus = new BigInteger($this->_string_shift($key, $length), -256); - return strlen($key) ? false : array( - 'modulus' => $realModulus, - 'publicExponent' => $modulus, - 'comment' => $comment - ); - } else { - return strlen($key) ? false : array( - 'modulus' => $modulus, - 'publicExponent' => $publicExponent, - 'comment' => $comment - ); - } - // http://www.w3.org/TR/xmldsig-core/#sec-RSAKeyValue - // http://en.wikipedia.org/wiki/XML_Signature - case self::PRIVATE_FORMAT_XML: - case self::PUBLIC_FORMAT_XML: - $this->components = array(); - - $xml = xml_parser_create('UTF-8'); - xml_set_object($xml, $this); - xml_set_element_handler($xml, '_start_element_handler', '_stop_element_handler'); - xml_set_character_data_handler($xml, '_data_handler'); - // add to account for "dangling" tags like ... that are sometimes added - if (!xml_parse($xml, '' . $key . '')) { - return false; - } - - return isset($this->components['modulus']) && isset($this->components['publicExponent']) ? $this->components : false; - // from PuTTY's SSHPUBK.C - case self::PRIVATE_FORMAT_PUTTY: - $components = array(); - $key = preg_split('#\r\n|\r|\n#', $key); - $type = trim(preg_replace('#PuTTY-User-Key-File-2: (.+)#', '$1', $key[0])); - if ($type != 'ssh-rsa') { - return false; - } - $encryption = trim(preg_replace('#Encryption: (.+)#', '$1', $key[1])); - $comment = trim(preg_replace('#Comment: (.+)#', '$1', $key[2])); - - $publicLength = trim(preg_replace('#Public-Lines: (\d+)#', '$1', $key[3])); - $public = base64_decode(implode('', array_map('trim', array_slice($key, 4, $publicLength)))); - $public = substr($public, 11); - extract(unpack('Nlength', $this->_string_shift($public, 4))); - $components['publicExponent'] = new BigInteger($this->_string_shift($public, $length), -256); - extract(unpack('Nlength', $this->_string_shift($public, 4))); - $components['modulus'] = new BigInteger($this->_string_shift($public, $length), -256); - - $privateLength = trim(preg_replace('#Private-Lines: (\d+)#', '$1', $key[$publicLength + 4])); - $private = base64_decode(implode('', array_map('trim', array_slice($key, $publicLength + 5, $privateLength)))); - - switch ($encryption) { - case 'aes256-cbc': - $symkey = ''; - $sequence = 0; - while (strlen($symkey) < 32) { - $temp = pack('Na*', $sequence++, $this->password); - $symkey.= pack('H*', sha1($temp)); - } - $symkey = substr($symkey, 0, 32); - $crypto = new AES(); - } - - if ($encryption != 'none') { - $crypto->setKey($symkey); - $crypto->disablePadding(); - $private = $crypto->decrypt($private); - if ($private === false) { - return false; - } - } - - extract(unpack('Nlength', $this->_string_shift($private, 4))); - if (strlen($private) < $length) { - return false; - } - $components['privateExponent'] = new BigInteger($this->_string_shift($private, $length), -256); - extract(unpack('Nlength', $this->_string_shift($private, 4))); - if (strlen($private) < $length) { - return false; - } - $components['primes'] = array(1 => new BigInteger($this->_string_shift($private, $length), -256)); - extract(unpack('Nlength', $this->_string_shift($private, 4))); - if (strlen($private) < $length) { - return false; - } - $components['primes'][] = new BigInteger($this->_string_shift($private, $length), -256); - - $temp = $components['primes'][1]->subtract($this->one); - $components['exponents'] = array(1 => $components['publicExponent']->modInverse($temp)); - $temp = $components['primes'][2]->subtract($this->one); - $components['exponents'][] = $components['publicExponent']->modInverse($temp); - - extract(unpack('Nlength', $this->_string_shift($private, 4))); - if (strlen($private) < $length) { - return false; - } - $components['coefficients'] = array(2 => new BigInteger($this->_string_shift($private, $length), -256)); - - return $components; - } - } - - /** - * Returns the key size - * - * More specifically, this returns the size of the modulo in bits. - * - * @access public - * @return int - */ - function getSize() - { - return !isset($this->modulus) ? 0 : strlen($this->modulus->toBits()); - } - - /** - * Start Element Handler - * - * Called by xml_set_element_handler() - * - * @access private - * @param resource $parser - * @param string $name - * @param array $attribs - */ - function _start_element_handler($parser, $name, $attribs) - { - //$name = strtoupper($name); - switch ($name) { - case 'MODULUS': - $this->current = &$this->components['modulus']; - break; - case 'EXPONENT': - $this->current = &$this->components['publicExponent']; - break; - case 'P': - $this->current = &$this->components['primes'][1]; - break; - case 'Q': - $this->current = &$this->components['primes'][2]; - break; - case 'DP': - $this->current = &$this->components['exponents'][1]; - break; - case 'DQ': - $this->current = &$this->components['exponents'][2]; - break; - case 'INVERSEQ': - $this->current = &$this->components['coefficients'][2]; - break; - case 'D': - $this->current = &$this->components['privateExponent']; - } - $this->current = ''; - } - - /** - * Stop Element Handler - * - * Called by xml_set_element_handler() - * - * @access private - * @param resource $parser - * @param string $name - */ - function _stop_element_handler($parser, $name) - { - if (isset($this->current)) { - $this->current = new BigInteger(base64_decode($this->current), 256); - unset($this->current); - } - } - - /** - * Data Handler - * - * Called by xml_set_character_data_handler() - * - * @access private - * @param resource $parser - * @param string $data - */ - function _data_handler($parser, $data) - { - if (!isset($this->current) || is_object($this->current)) { - return; - } - $this->current.= trim($data); - } - - /** - * Loads a public or private key - * - * Returns true on success and false on failure (ie. an incorrect password was provided or the key was malformed) - * - * @access public - * @param string $key - * @param int $type optional - */ - function loadKey($key, $type = false) - { - if ($key instanceof RSA) { - $this->privateKeyFormat = $key->privateKeyFormat; - $this->publicKeyFormat = $key->publicKeyFormat; - $this->k = $key->k; - $this->hLen = $key->hLen; - $this->sLen = $key->sLen; - $this->mgfHLen = $key->mgfHLen; - $this->encryptionMode = $key->encryptionMode; - $this->signatureMode = $key->signatureMode; - $this->password = $key->password; - $this->configFile = $key->configFile; - $this->comment = $key->comment; - - if (is_object($key->hash)) { - $this->hash = new Hash($key->hash->getHash()); - } - if (is_object($key->mgfHash)) { - $this->mgfHash = new Hash($key->mgfHash->getHash()); - } - - if (is_object($key->modulus)) { - $this->modulus = $key->modulus->copy(); - } - if (is_object($key->exponent)) { - $this->exponent = $key->exponent->copy(); - } - if (is_object($key->publicExponent)) { - $this->publicExponent = $key->publicExponent->copy(); - } - - $this->primes = array(); - $this->exponents = array(); - $this->coefficients = array(); - - foreach ($this->primes as $prime) { - $this->primes[] = $prime->copy(); - } - foreach ($this->exponents as $exponent) { - $this->exponents[] = $exponent->copy(); - } - foreach ($this->coefficients as $coefficient) { - $this->coefficients[] = $coefficient->copy(); - } - - return true; - } - - if ($type === false) { - $types = array( - self::PUBLIC_FORMAT_RAW, - self::PRIVATE_FORMAT_PKCS1, - self::PRIVATE_FORMAT_XML, - self::PRIVATE_FORMAT_PUTTY, - self::PUBLIC_FORMAT_OPENSSH - ); - foreach ($types as $type) { - $components = $this->_parseKey($key, $type); - if ($components !== false) { - break; - } - } - } else { - $components = $this->_parseKey($key, $type); - } - - if ($components === false) { - $this->comment = null; - $this->modulus = null; - $this->k = null; - $this->exponent = null; - $this->primes = null; - $this->exponents = null; - $this->coefficients = null; - $this->publicExponent = null; - - return false; - } - - if (isset($components['comment']) && $components['comment'] !== false) { - $this->comment = $components['comment']; - } - $this->modulus = $components['modulus']; - $this->k = strlen($this->modulus->toBytes()); - $this->exponent = isset($components['privateExponent']) ? $components['privateExponent'] : $components['publicExponent']; - if (isset($components['primes'])) { - $this->primes = $components['primes']; - $this->exponents = $components['exponents']; - $this->coefficients = $components['coefficients']; - $this->publicExponent = $components['publicExponent']; - } else { - $this->primes = array(); - $this->exponents = array(); - $this->coefficients = array(); - $this->publicExponent = false; - } - - switch ($type) { - case self::PUBLIC_FORMAT_OPENSSH: - case self::PUBLIC_FORMAT_RAW: - $this->setPublicKey(); - break; - case self::PRIVATE_FORMAT_PKCS1: - switch (true) { - case strpos($key, '-BEGIN PUBLIC KEY-') !== false: - case strpos($key, '-BEGIN RSA PUBLIC KEY-') !== false: - $this->setPublicKey(); - } - } - - return true; - } - - /** - * Sets the password - * - * Private keys can be encrypted with a password. To unset the password, pass in the empty string or false. - * Or rather, pass in $password such that empty($password) && !is_string($password) is true. - * - * @see self::createKey() - * @see self::loadKey() - * @access public - * @param string $password - */ - function setPassword($password = false) - { - $this->password = $password; - } - - /** - * Defines the public key - * - * Some private key formats define the public exponent and some don't. Those that don't define it are problematic when - * used in certain contexts. For example, in SSH-2, RSA authentication works by sending the public key along with a - * message signed by the private key to the server. The SSH-2 server looks the public key up in an index of public keys - * and if it's present then proceeds to verify the signature. Problem is, if your private key doesn't include the public - * exponent this won't work unless you manually add the public exponent. phpseclib tries to guess if the key being used - * is the public key but in the event that it guesses incorrectly you might still want to explicitly set the key as being - * public. - * - * Do note that when a new key is loaded the index will be cleared. - * - * Returns true on success, false on failure - * - * @see self::getPublicKey() - * @access public - * @param string $key optional - * @param int $type optional - * @return bool - */ - function setPublicKey($key = false, $type = false) - { - // if a public key has already been loaded return false - if (!empty($this->publicExponent)) { - return false; - } - - if ($key === false && !empty($this->modulus)) { - $this->publicExponent = $this->exponent; - return true; - } - - if ($type === false) { - $types = array( - self::PUBLIC_FORMAT_RAW, - self::PUBLIC_FORMAT_PKCS1, - self::PUBLIC_FORMAT_XML, - self::PUBLIC_FORMAT_OPENSSH - ); - foreach ($types as $type) { - $components = $this->_parseKey($key, $type); - if ($components !== false) { - break; - } - } - } else { - $components = $this->_parseKey($key, $type); - } - - if ($components === false) { - return false; - } - - if (empty($this->modulus) || !$this->modulus->equals($components['modulus'])) { - $this->modulus = $components['modulus']; - $this->exponent = $this->publicExponent = $components['publicExponent']; - return true; - } - - $this->publicExponent = $components['publicExponent']; - - return true; - } - - /** - * Defines the private key - * - * If phpseclib guessed a private key was a public key and loaded it as such it might be desirable to force - * phpseclib to treat the key as a private key. This function will do that. - * - * Do note that when a new key is loaded the index will be cleared. - * - * Returns true on success, false on failure - * - * @see self::getPublicKey() - * @access public - * @param string $key optional - * @param int $type optional - * @return bool - */ - function setPrivateKey($key = false, $type = false) - { - if ($key === false && !empty($this->publicExponent)) { - $this->publicExponent = false; - return true; - } - - $rsa = new RSA(); - if (!$rsa->loadKey($key, $type)) { - return false; - } - $rsa->publicExponent = false; - - // don't overwrite the old key if the new key is invalid - $this->loadKey($rsa); - return true; - } - - /** - * Returns the public key - * - * The public key is only returned under two circumstances - if the private key had the public key embedded within it - * or if the public key was set via setPublicKey(). If the currently loaded key is supposed to be the public key this - * function won't return it since this library, for the most part, doesn't distinguish between public and private keys. - * - * @see self::getPublicKey() - * @access public - * @param string $key - * @param int $type optional - */ - function getPublicKey($type = self::PUBLIC_FORMAT_PKCS8) - { - if (empty($this->modulus) || empty($this->publicExponent)) { - return false; - } - - $oldFormat = $this->publicKeyFormat; - $this->publicKeyFormat = $type; - $temp = $this->_convertPublicKey($this->modulus, $this->publicExponent); - $this->publicKeyFormat = $oldFormat; - return $temp; - } - - /** - * Returns the public key's fingerprint - * - * The public key's fingerprint is returned, which is equivalent to running `ssh-keygen -lf rsa.pub`. If there is - * no public key currently loaded, false is returned. - * Example output (md5): "c1:b1:30:29:d7:b8:de:6c:97:77:10:d7:46:41:63:87" (as specified by RFC 4716) - * - * @access public - * @param string $algorithm The hashing algorithm to be used. Valid options are 'md5' and 'sha256'. False is returned - * for invalid values. - * @return mixed - */ - function getPublicKeyFingerprint($algorithm = 'md5') - { - if (empty($this->modulus) || empty($this->publicExponent)) { - return false; - } - - $modulus = $this->modulus->toBytes(true); - $publicExponent = $this->publicExponent->toBytes(true); - - $RSAPublicKey = pack('Na*Na*Na*', strlen('ssh-rsa'), 'ssh-rsa', strlen($publicExponent), $publicExponent, strlen($modulus), $modulus); - - switch ($algorithm) { - case 'sha256': - $hash = new Hash('sha256'); - $base = base64_encode($hash->hash($RSAPublicKey)); - return substr($base, 0, strlen($base) - 1); - case 'md5': - return substr(chunk_split(md5($RSAPublicKey), 2, ':'), 0, -1); - default: - return false; - } - } - - /** - * Returns the private key - * - * The private key is only returned if the currently loaded key contains the constituent prime numbers. - * - * @see self::getPublicKey() - * @access public - * @param string $key - * @param int $type optional - * @return mixed - */ - function getPrivateKey($type = self::PUBLIC_FORMAT_PKCS1) - { - if (empty($this->primes)) { - return false; - } - - $oldFormat = $this->privateKeyFormat; - $this->privateKeyFormat = $type; - $temp = $this->_convertPrivateKey($this->modulus, $this->publicExponent, $this->exponent, $this->primes, $this->exponents, $this->coefficients); - $this->privateKeyFormat = $oldFormat; - return $temp; - } - - /** - * Returns a minimalistic private key - * - * Returns the private key without the prime number constituants. Structurally identical to a public key that - * hasn't been set as the public key - * - * @see self::getPrivateKey() - * @access private - * @param string $key - * @param int $type optional - */ - function _getPrivatePublicKey($mode = self::PUBLIC_FORMAT_PKCS8) - { - if (empty($this->modulus) || empty($this->exponent)) { - return false; - } - - $oldFormat = $this->publicKeyFormat; - $this->publicKeyFormat = $mode; - $temp = $this->_convertPublicKey($this->modulus, $this->exponent); - $this->publicKeyFormat = $oldFormat; - return $temp; - } - - /** - * __toString() magic method - * - * @access public - * @return string - */ - function __toString() - { - $key = $this->getPrivateKey($this->privateKeyFormat); - if ($key !== false) { - return $key; - } - $key = $this->_getPrivatePublicKey($this->publicKeyFormat); - return $key !== false ? $key : ''; - } - - /** - * __clone() magic method - * - * @access public - * @return Crypt_RSA - */ - function __clone() - { - $key = new RSA(); - $key->loadKey($this); - return $key; - } - - /** - * Generates the smallest and largest numbers requiring $bits bits - * - * @access private - * @param int $bits - * @return array - */ - function _generateMinMax($bits) - { - $bytes = $bits >> 3; - $min = str_repeat(chr(0), $bytes); - $max = str_repeat(chr(0xFF), $bytes); - $msb = $bits & 7; - if ($msb) { - $min = chr(1 << ($msb - 1)) . $min; - $max = chr((1 << $msb) - 1) . $max; - } else { - $min[0] = chr(0x80); - } - - return array( - 'min' => new BigInteger($min, 256), - 'max' => new BigInteger($max, 256) - ); - } - - /** - * DER-decode the length - * - * DER supports lengths up to (2**8)**127, however, we'll only support lengths up to (2**8)**4. See - * {@link http://itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#p=13 X.690 paragraph 8.1.3} for more information. - * - * @access private - * @param string $string - * @return int - */ - function _decodeLength(&$string) - { - $length = ord($this->_string_shift($string)); - if ($length & 0x80) { // definite length, long form - $length&= 0x7F; - $temp = $this->_string_shift($string, $length); - list(, $length) = unpack('N', substr(str_pad($temp, 4, chr(0), STR_PAD_LEFT), -4)); - } - return $length; - } - - /** - * DER-encode the length - * - * DER supports lengths up to (2**8)**127, however, we'll only support lengths up to (2**8)**4. See - * {@link http://itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#p=13 X.690 paragraph 8.1.3} for more information. - * - * @access private - * @param int $length - * @return string - */ - function _encodeLength($length) - { - if ($length <= 0x7F) { - return chr($length); - } - - $temp = ltrim(pack('N', $length), chr(0)); - return pack('Ca*', 0x80 | strlen($temp), $temp); - } - - /** - * String Shift - * - * Inspired by array_shift - * - * @param string $string - * @param int $index - * @return string - * @access private - */ - function _string_shift(&$string, $index = 1) - { - $substr = substr($string, 0, $index); - $string = substr($string, $index); - return $substr; - } - - /** - * Determines the private key format - * - * @see self::createKey() - * @access public - * @param int $format - */ - function setPrivateKeyFormat($format) - { - $this->privateKeyFormat = $format; - } - - /** - * Determines the public key format - * - * @see self::createKey() - * @access public - * @param int $format - */ - function setPublicKeyFormat($format) - { - $this->publicKeyFormat = $format; - } - - /** - * Determines which hashing function should be used - * - * Used with signature production / verification and (if the encryption mode is self::ENCRYPTION_OAEP) encryption and - * decryption. If $hash isn't supported, sha1 is used. - * - * @access public - * @param string $hash - */ - function setHash($hash) - { - // \phpseclib\Crypt\Hash supports algorithms that PKCS#1 doesn't support. md5-96 and sha1-96, for example. - switch ($hash) { - case 'md2': - case 'md5': - case 'sha1': - case 'sha256': - case 'sha384': - case 'sha512': - $this->hash = new Hash($hash); - $this->hashName = $hash; - break; - default: - $this->hash = new Hash('sha1'); - $this->hashName = 'sha1'; - } - $this->hLen = $this->hash->getLength(); - } - - /** - * Determines which hashing function should be used for the mask generation function - * - * The mask generation function is used by self::ENCRYPTION_OAEP and self::SIGNATURE_PSS and although it's - * best if Hash and MGFHash are set to the same thing this is not a requirement. - * - * @access public - * @param string $hash - */ - function setMGFHash($hash) - { - // \phpseclib\Crypt\Hash supports algorithms that PKCS#1 doesn't support. md5-96 and sha1-96, for example. - switch ($hash) { - case 'md2': - case 'md5': - case 'sha1': - case 'sha256': - case 'sha384': - case 'sha512': - $this->mgfHash = new Hash($hash); - break; - default: - $this->mgfHash = new Hash('sha1'); - } - $this->mgfHLen = $this->mgfHash->getLength(); - } - - /** - * Determines the salt length - * - * To quote from {@link http://tools.ietf.org/html/rfc3447#page-38 RFC3447#page-38}: - * - * Typical salt lengths in octets are hLen (the length of the output - * of the hash function Hash) and 0. - * - * @access public - * @param int $format - */ - function setSaltLength($sLen) - { - $this->sLen = $sLen; - } - - /** - * Integer-to-Octet-String primitive - * - * See {@link http://tools.ietf.org/html/rfc3447#section-4.1 RFC3447#section-4.1}. - * - * @access private - * @param \phpseclib\Math\BigInteger $x - * @param int $xLen - * @return string - */ - function _i2osp($x, $xLen) - { - $x = $x->toBytes(); - if (strlen($x) > $xLen) { - user_error('Integer too large'); - return false; - } - return str_pad($x, $xLen, chr(0), STR_PAD_LEFT); - } - - /** - * Octet-String-to-Integer primitive - * - * See {@link http://tools.ietf.org/html/rfc3447#section-4.2 RFC3447#section-4.2}. - * - * @access private - * @param string $x - * @return \phpseclib\Math\BigInteger - */ - function _os2ip($x) - { - return new BigInteger($x, 256); - } - - /** - * Exponentiate with or without Chinese Remainder Theorem - * - * See {@link http://tools.ietf.org/html/rfc3447#section-5.1.1 RFC3447#section-5.1.2}. - * - * @access private - * @param \phpseclib\Math\BigInteger $x - * @return \phpseclib\Math\BigInteger - */ - function _exponentiate($x) - { - switch (true) { - case empty($this->primes): - case $this->primes[1]->equals($this->zero): - case empty($this->coefficients): - case $this->coefficients[2]->equals($this->zero): - case empty($this->exponents): - case $this->exponents[1]->equals($this->zero): - return $x->modPow($this->exponent, $this->modulus); - } - - $num_primes = count($this->primes); - - if (defined('CRYPT_RSA_DISABLE_BLINDING')) { - $m_i = array( - 1 => $x->modPow($this->exponents[1], $this->primes[1]), - 2 => $x->modPow($this->exponents[2], $this->primes[2]) - ); - $h = $m_i[1]->subtract($m_i[2]); - $h = $h->multiply($this->coefficients[2]); - list(, $h) = $h->divide($this->primes[1]); - $m = $m_i[2]->add($h->multiply($this->primes[2])); - - $r = $this->primes[1]; - for ($i = 3; $i <= $num_primes; $i++) { - $m_i = $x->modPow($this->exponents[$i], $this->primes[$i]); - - $r = $r->multiply($this->primes[$i - 1]); - - $h = $m_i->subtract($m); - $h = $h->multiply($this->coefficients[$i]); - list(, $h) = $h->divide($this->primes[$i]); - - $m = $m->add($r->multiply($h)); - } - } else { - $smallest = $this->primes[1]; - for ($i = 2; $i <= $num_primes; $i++) { - if ($smallest->compare($this->primes[$i]) > 0) { - $smallest = $this->primes[$i]; - } - } - - $one = new BigInteger(1); - - $r = $one->random($one, $smallest->subtract($one)); - - $m_i = array( - 1 => $this->_blind($x, $r, 1), - 2 => $this->_blind($x, $r, 2) - ); - $h = $m_i[1]->subtract($m_i[2]); - $h = $h->multiply($this->coefficients[2]); - list(, $h) = $h->divide($this->primes[1]); - $m = $m_i[2]->add($h->multiply($this->primes[2])); - - $r = $this->primes[1]; - for ($i = 3; $i <= $num_primes; $i++) { - $m_i = $this->_blind($x, $r, $i); - - $r = $r->multiply($this->primes[$i - 1]); - - $h = $m_i->subtract($m); - $h = $h->multiply($this->coefficients[$i]); - list(, $h) = $h->divide($this->primes[$i]); - - $m = $m->add($r->multiply($h)); - } - } - - return $m; - } - - /** - * Performs RSA Blinding - * - * Protects against timing attacks by employing RSA Blinding. - * Returns $x->modPow($this->exponents[$i], $this->primes[$i]) - * - * @access private - * @param \phpseclib\Math\BigInteger $x - * @param \phpseclib\Math\BigInteger $r - * @param int $i - * @return \phpseclib\Math\BigInteger - */ - function _blind($x, $r, $i) - { - $x = $x->multiply($r->modPow($this->publicExponent, $this->primes[$i])); - $x = $x->modPow($this->exponents[$i], $this->primes[$i]); - - $r = $r->modInverse($this->primes[$i]); - $x = $x->multiply($r); - list(, $x) = $x->divide($this->primes[$i]); - - return $x; - } - - /** - * Performs blinded RSA equality testing - * - * Protects against a particular type of timing attack described. - * - * See {@link http://codahale.com/a-lesson-in-timing-attacks/ A Lesson In Timing Attacks (or, Don't use MessageDigest.isEquals)} - * - * Thanks for the heads up singpolyma! - * - * @access private - * @param string $x - * @param string $y - * @return bool - */ - function _equals($x, $y) - { - if (strlen($x) != strlen($y)) { - return false; - } - - $result = 0; - for ($i = 0; $i < strlen($x); $i++) { - $result |= ord($x[$i]) ^ ord($y[$i]); - } - - return $result == 0; - } - - /** - * RSAEP - * - * See {@link http://tools.ietf.org/html/rfc3447#section-5.1.1 RFC3447#section-5.1.1}. - * - * @access private - * @param \phpseclib\Math\BigInteger $m - * @return \phpseclib\Math\BigInteger - */ - function _rsaep($m) - { - if ($m->compare($this->zero) < 0 || $m->compare($this->modulus) > 0) { - user_error('Message representative out of range'); - return false; - } - return $this->_exponentiate($m); - } - - /** - * RSADP - * - * See {@link http://tools.ietf.org/html/rfc3447#section-5.1.2 RFC3447#section-5.1.2}. - * - * @access private - * @param \phpseclib\Math\BigInteger $c - * @return \phpseclib\Math\BigInteger - */ - function _rsadp($c) - { - if ($c->compare($this->zero) < 0 || $c->compare($this->modulus) > 0) { - user_error('Ciphertext representative out of range'); - return false; - } - return $this->_exponentiate($c); - } - - /** - * RSASP1 - * - * See {@link http://tools.ietf.org/html/rfc3447#section-5.2.1 RFC3447#section-5.2.1}. - * - * @access private - * @param \phpseclib\Math\BigInteger $m - * @return \phpseclib\Math\BigInteger - */ - function _rsasp1($m) - { - if ($m->compare($this->zero) < 0 || $m->compare($this->modulus) > 0) { - user_error('Message representative out of range'); - return false; - } - return $this->_exponentiate($m); - } - - /** - * RSAVP1 - * - * See {@link http://tools.ietf.org/html/rfc3447#section-5.2.2 RFC3447#section-5.2.2}. - * - * @access private - * @param \phpseclib\Math\BigInteger $s - * @return \phpseclib\Math\BigInteger - */ - function _rsavp1($s) - { - if ($s->compare($this->zero) < 0 || $s->compare($this->modulus) > 0) { - user_error('Signature representative out of range'); - return false; - } - return $this->_exponentiate($s); - } - - /** - * MGF1 - * - * See {@link http://tools.ietf.org/html/rfc3447#appendix-B.2.1 RFC3447#appendix-B.2.1}. - * - * @access private - * @param string $mgfSeed - * @param int $mgfLen - * @return string - */ - function _mgf1($mgfSeed, $maskLen) - { - // if $maskLen would yield strings larger than 4GB, PKCS#1 suggests a "Mask too long" error be output. - - $t = ''; - $count = ceil($maskLen / $this->mgfHLen); - for ($i = 0; $i < $count; $i++) { - $c = pack('N', $i); - $t.= $this->mgfHash->hash($mgfSeed . $c); - } - - return substr($t, 0, $maskLen); - } - - /** - * RSAES-OAEP-ENCRYPT - * - * See {@link http://tools.ietf.org/html/rfc3447#section-7.1.1 RFC3447#section-7.1.1} and - * {http://en.wikipedia.org/wiki/Optimal_Asymmetric_Encryption_Padding OAES}. - * - * @access private - * @param string $m - * @param string $l - * @return string - */ - function _rsaes_oaep_encrypt($m, $l = '') - { - $mLen = strlen($m); - - // Length checking - - // if $l is larger than two million terrabytes and you're using sha1, PKCS#1 suggests a "Label too long" error - // be output. - - if ($mLen > $this->k - 2 * $this->hLen - 2) { - user_error('Message too long'); - return false; - } - - // EME-OAEP encoding - - $lHash = $this->hash->hash($l); - $ps = str_repeat(chr(0), $this->k - $mLen - 2 * $this->hLen - 2); - $db = $lHash . $ps . chr(1) . $m; - $seed = Random::string($this->hLen); - $dbMask = $this->_mgf1($seed, $this->k - $this->hLen - 1); - $maskedDB = $db ^ $dbMask; - $seedMask = $this->_mgf1($maskedDB, $this->hLen); - $maskedSeed = $seed ^ $seedMask; - $em = chr(0) . $maskedSeed . $maskedDB; - - // RSA encryption - - $m = $this->_os2ip($em); - $c = $this->_rsaep($m); - $c = $this->_i2osp($c, $this->k); - - // Output the ciphertext C - - return $c; - } - - /** - * RSAES-OAEP-DECRYPT - * - * See {@link http://tools.ietf.org/html/rfc3447#section-7.1.2 RFC3447#section-7.1.2}. The fact that the error - * messages aren't distinguishable from one another hinders debugging, but, to quote from RFC3447#section-7.1.2: - * - * Note. Care must be taken to ensure that an opponent cannot - * distinguish the different error conditions in Step 3.g, whether by - * error message or timing, or, more generally, learn partial - * information about the encoded message EM. Otherwise an opponent may - * be able to obtain useful information about the decryption of the - * ciphertext C, leading to a chosen-ciphertext attack such as the one - * observed by Manger [36]. - * - * As for $l... to quote from {@link http://tools.ietf.org/html/rfc3447#page-17 RFC3447#page-17}: - * - * Both the encryption and the decryption operations of RSAES-OAEP take - * the value of a label L as input. In this version of PKCS #1, L is - * the empty string; other uses of the label are outside the scope of - * this document. - * - * @access private - * @param string $c - * @param string $l - * @return string - */ - function _rsaes_oaep_decrypt($c, $l = '') - { - // Length checking - - // if $l is larger than two million terrabytes and you're using sha1, PKCS#1 suggests a "Label too long" error - // be output. - - if (strlen($c) != $this->k || $this->k < 2 * $this->hLen + 2) { - user_error('Decryption error'); - return false; - } - - // RSA decryption - - $c = $this->_os2ip($c); - $m = $this->_rsadp($c); - if ($m === false) { - user_error('Decryption error'); - return false; - } - $em = $this->_i2osp($m, $this->k); - - // EME-OAEP decoding - - $lHash = $this->hash->hash($l); - $y = ord($em[0]); - $maskedSeed = substr($em, 1, $this->hLen); - $maskedDB = substr($em, $this->hLen + 1); - $seedMask = $this->_mgf1($maskedDB, $this->hLen); - $seed = $maskedSeed ^ $seedMask; - $dbMask = $this->_mgf1($seed, $this->k - $this->hLen - 1); - $db = $maskedDB ^ $dbMask; - $lHash2 = substr($db, 0, $this->hLen); - $m = substr($db, $this->hLen); - if (!$this->_equals($lHash, $lHash2)) { - user_error('Decryption error'); - return false; - } - $m = ltrim($m, chr(0)); - if (ord($m[0]) != 1) { - user_error('Decryption error'); - return false; - } - - // Output the message M - - return substr($m, 1); - } - - /** - * Raw Encryption / Decryption - * - * Doesn't use padding and is not recommended. - * - * @access private - * @param string $m - * @return string - */ - function _raw_encrypt($m) - { - $temp = $this->_os2ip($m); - $temp = $this->_rsaep($temp); - return $this->_i2osp($temp, $this->k); - } - - /** - * RSAES-PKCS1-V1_5-ENCRYPT - * - * See {@link http://tools.ietf.org/html/rfc3447#section-7.2.1 RFC3447#section-7.2.1}. - * - * @access private - * @param string $m - * @return string - */ - function _rsaes_pkcs1_v1_5_encrypt($m) - { - $mLen = strlen($m); - - // Length checking - - if ($mLen > $this->k - 11) { - user_error('Message too long'); - return false; - } - - // EME-PKCS1-v1_5 encoding - - $psLen = $this->k - $mLen - 3; - $ps = ''; - while (strlen($ps) != $psLen) { - $temp = Random::string($psLen - strlen($ps)); - $temp = str_replace("\x00", '', $temp); - $ps.= $temp; - } - $type = 2; - // see the comments of _rsaes_pkcs1_v1_5_decrypt() to understand why this is being done - if (defined('CRYPT_RSA_PKCS15_COMPAT') && (!isset($this->publicExponent) || $this->exponent !== $this->publicExponent)) { - $type = 1; - // "The padding string PS shall consist of k-3-||D|| octets. ... for block type 01, they shall have value FF" - $ps = str_repeat("\xFF", $psLen); - } - $em = chr(0) . chr($type) . $ps . chr(0) . $m; - - // RSA encryption - $m = $this->_os2ip($em); - $c = $this->_rsaep($m); - $c = $this->_i2osp($c, $this->k); - - // Output the ciphertext C - - return $c; - } - - /** - * RSAES-PKCS1-V1_5-DECRYPT - * - * See {@link http://tools.ietf.org/html/rfc3447#section-7.2.2 RFC3447#section-7.2.2}. - * - * For compatibility purposes, this function departs slightly from the description given in RFC3447. - * The reason being that RFC2313#section-8.1 (PKCS#1 v1.5) states that ciphertext's encrypted by the - * private key should have the second byte set to either 0 or 1 and that ciphertext's encrypted by the - * public key should have the second byte set to 2. In RFC3447 (PKCS#1 v2.1), the second byte is supposed - * to be 2 regardless of which key is used. For compatibility purposes, we'll just check to make sure the - * second byte is 2 or less. If it is, we'll accept the decrypted string as valid. - * - * As a consequence of this, a private key encrypted ciphertext produced with \phpseclib\Crypt\RSA may not decrypt - * with a strictly PKCS#1 v1.5 compliant RSA implementation. Public key encrypted ciphertext's should but - * not private key encrypted ciphertext's. - * - * @access private - * @param string $c - * @return string - */ - function _rsaes_pkcs1_v1_5_decrypt($c) - { - // Length checking - - if (strlen($c) != $this->k) { // or if k < 11 - user_error('Decryption error'); - return false; - } - - // RSA decryption - - $c = $this->_os2ip($c); - $m = $this->_rsadp($c); - - if ($m === false) { - user_error('Decryption error'); - return false; - } - $em = $this->_i2osp($m, $this->k); - - // EME-PKCS1-v1_5 decoding - - if (ord($em[0]) != 0 || ord($em[1]) > 2) { - user_error('Decryption error'); - return false; - } - - $ps = substr($em, 2, strpos($em, chr(0), 2) - 2); - $m = substr($em, strlen($ps) + 3); - - if (strlen($ps) < 8) { - user_error('Decryption error'); - return false; - } - - // Output M - - return $m; - } - - /** - * EMSA-PSS-ENCODE - * - * See {@link http://tools.ietf.org/html/rfc3447#section-9.1.1 RFC3447#section-9.1.1}. - * - * @access private - * @param string $m - * @param int $emBits - */ - function _emsa_pss_encode($m, $emBits) - { - // if $m is larger than two million terrabytes and you're using sha1, PKCS#1 suggests a "Label too long" error - // be output. - - $emLen = ($emBits + 1) >> 3; // ie. ceil($emBits / 8) - $sLen = $this->sLen !== null ? $this->sLen : $this->hLen; - - $mHash = $this->hash->hash($m); - if ($emLen < $this->hLen + $sLen + 2) { - user_error('Encoding error'); - return false; - } - - $salt = Random::string($sLen); - $m2 = "\0\0\0\0\0\0\0\0" . $mHash . $salt; - $h = $this->hash->hash($m2); - $ps = str_repeat(chr(0), $emLen - $sLen - $this->hLen - 2); - $db = $ps . chr(1) . $salt; - $dbMask = $this->_mgf1($h, $emLen - $this->hLen - 1); - $maskedDB = $db ^ $dbMask; - $maskedDB[0] = ~chr(0xFF << ($emBits & 7)) & $maskedDB[0]; - $em = $maskedDB . $h . chr(0xBC); - - return $em; - } - - /** - * EMSA-PSS-VERIFY - * - * See {@link http://tools.ietf.org/html/rfc3447#section-9.1.2 RFC3447#section-9.1.2}. - * - * @access private - * @param string $m - * @param string $em - * @param int $emBits - * @return string - */ - function _emsa_pss_verify($m, $em, $emBits) - { - // if $m is larger than two million terrabytes and you're using sha1, PKCS#1 suggests a "Label too long" error - // be output. - - $emLen = ($emBits + 1) >> 3; // ie. ceil($emBits / 8); - $sLen = $this->sLen !== null ? $this->sLen : $this->hLen; - - $mHash = $this->hash->hash($m); - if ($emLen < $this->hLen + $sLen + 2) { - return false; - } - - if ($em[strlen($em) - 1] != chr(0xBC)) { - return false; - } - - $maskedDB = substr($em, 0, -$this->hLen - 1); - $h = substr($em, -$this->hLen - 1, $this->hLen); - $temp = chr(0xFF << ($emBits & 7)); - if ((~$maskedDB[0] & $temp) != $temp) { - return false; - } - $dbMask = $this->_mgf1($h, $emLen - $this->hLen - 1); - $db = $maskedDB ^ $dbMask; - $db[0] = ~chr(0xFF << ($emBits & 7)) & $db[0]; - $temp = $emLen - $this->hLen - $sLen - 2; - if (substr($db, 0, $temp) != str_repeat(chr(0), $temp) || ord($db[$temp]) != 1) { - return false; - } - $salt = substr($db, $temp + 1); // should be $sLen long - $m2 = "\0\0\0\0\0\0\0\0" . $mHash . $salt; - $h2 = $this->hash->hash($m2); - return $this->_equals($h, $h2); - } - - /** - * RSASSA-PSS-SIGN - * - * See {@link http://tools.ietf.org/html/rfc3447#section-8.1.1 RFC3447#section-8.1.1}. - * - * @access private - * @param string $m - * @return string - */ - function _rsassa_pss_sign($m) - { - // EMSA-PSS encoding - - $em = $this->_emsa_pss_encode($m, 8 * $this->k - 1); - - // RSA signature - - $m = $this->_os2ip($em); - $s = $this->_rsasp1($m); - $s = $this->_i2osp($s, $this->k); - - // Output the signature S - - return $s; - } - - /** - * RSASSA-PSS-VERIFY - * - * See {@link http://tools.ietf.org/html/rfc3447#section-8.1.2 RFC3447#section-8.1.2}. - * - * @access private - * @param string $m - * @param string $s - * @return string - */ - function _rsassa_pss_verify($m, $s) - { - // Length checking - - if (strlen($s) != $this->k) { - user_error('Invalid signature'); - return false; - } - - // RSA verification - - $modBits = 8 * $this->k; - - $s2 = $this->_os2ip($s); - $m2 = $this->_rsavp1($s2); - if ($m2 === false) { - user_error('Invalid signature'); - return false; - } - $em = $this->_i2osp($m2, $modBits >> 3); - if ($em === false) { - user_error('Invalid signature'); - return false; - } - - // EMSA-PSS verification - - return $this->_emsa_pss_verify($m, $em, $modBits - 1); - } - - /** - * EMSA-PKCS1-V1_5-ENCODE - * - * See {@link http://tools.ietf.org/html/rfc3447#section-9.2 RFC3447#section-9.2}. - * - * @access private - * @param string $m - * @param int $emLen - * @return string - */ - function _emsa_pkcs1_v1_5_encode($m, $emLen) - { - $h = $this->hash->hash($m); - if ($h === false) { - return false; - } - - // see http://tools.ietf.org/html/rfc3447#page-43 - switch ($this->hashName) { - case 'md2': - $t = pack('H*', '3020300c06082a864886f70d020205000410'); - break; - case 'md5': - $t = pack('H*', '3020300c06082a864886f70d020505000410'); - break; - case 'sha1': - $t = pack('H*', '3021300906052b0e03021a05000414'); - break; - case 'sha256': - $t = pack('H*', '3031300d060960864801650304020105000420'); - break; - case 'sha384': - $t = pack('H*', '3041300d060960864801650304020205000430'); - break; - case 'sha512': - $t = pack('H*', '3051300d060960864801650304020305000440'); - } - $t.= $h; - $tLen = strlen($t); - - if ($emLen < $tLen + 11) { - user_error('Intended encoded message length too short'); - return false; - } - - $ps = str_repeat(chr(0xFF), $emLen - $tLen - 3); - - $em = "\0\1$ps\0$t"; - - return $em; - } - - /** - * RSASSA-PKCS1-V1_5-SIGN - * - * See {@link http://tools.ietf.org/html/rfc3447#section-8.2.1 RFC3447#section-8.2.1}. - * - * @access private - * @param string $m - * @return string - */ - function _rsassa_pkcs1_v1_5_sign($m) - { - // EMSA-PKCS1-v1_5 encoding - - $em = $this->_emsa_pkcs1_v1_5_encode($m, $this->k); - if ($em === false) { - user_error('RSA modulus too short'); - return false; - } - - // RSA signature - - $m = $this->_os2ip($em); - $s = $this->_rsasp1($m); - $s = $this->_i2osp($s, $this->k); - - // Output the signature S - - return $s; - } - - /** - * RSASSA-PKCS1-V1_5-VERIFY - * - * See {@link http://tools.ietf.org/html/rfc3447#section-8.2.2 RFC3447#section-8.2.2}. - * - * @access private - * @param string $m - * @return string - */ - function _rsassa_pkcs1_v1_5_verify($m, $s) - { - // Length checking - - if (strlen($s) != $this->k) { - user_error('Invalid signature'); - return false; - } - - // RSA verification - - $s = $this->_os2ip($s); - $m2 = $this->_rsavp1($s); - if ($m2 === false) { - user_error('Invalid signature'); - return false; - } - $em = $this->_i2osp($m2, $this->k); - if ($em === false) { - user_error('Invalid signature'); - return false; - } - - // EMSA-PKCS1-v1_5 encoding - - $em2 = $this->_emsa_pkcs1_v1_5_encode($m, $this->k); - if ($em2 === false) { - user_error('RSA modulus too short'); - return false; - } - - // Compare - return $this->_equals($em, $em2); - } - - /** - * Set Encryption Mode - * - * Valid values include self::ENCRYPTION_OAEP and self::ENCRYPTION_PKCS1. - * - * @access public - * @param int $mode - */ - function setEncryptionMode($mode) - { - $this->encryptionMode = $mode; - } - - /** - * Set Signature Mode - * - * Valid values include self::SIGNATURE_PSS and self::SIGNATURE_PKCS1 - * - * @access public - * @param int $mode - */ - function setSignatureMode($mode) - { - $this->signatureMode = $mode; - } - - /** - * Set public key comment. - * - * @access public - * @param string $comment - */ - function setComment($comment) - { - $this->comment = $comment; - } - - /** - * Get public key comment. - * - * @access public - * @return string - */ - function getComment() - { - return $this->comment; - } - - /** - * Encryption - * - * Both self::ENCRYPTION_OAEP and self::ENCRYPTION_PKCS1 both place limits on how long $plaintext can be. - * If $plaintext exceeds those limits it will be broken up so that it does and the resultant ciphertext's will - * be concatenated together. - * - * @see self::decrypt() - * @access public - * @param string $plaintext - * @return string - */ - function encrypt($plaintext) - { - switch ($this->encryptionMode) { - case self::ENCRYPTION_NONE: - $plaintext = str_split($plaintext, $this->k); - $ciphertext = ''; - foreach ($plaintext as $m) { - $ciphertext.= $this->_raw_encrypt($m); - } - return $ciphertext; - case self::ENCRYPTION_PKCS1: - $length = $this->k - 11; - if ($length <= 0) { - return false; - } - - $plaintext = str_split($plaintext, $length); - $ciphertext = ''; - foreach ($plaintext as $m) { - $ciphertext.= $this->_rsaes_pkcs1_v1_5_encrypt($m); - } - return $ciphertext; - //case self::ENCRYPTION_OAEP: - default: - $length = $this->k - 2 * $this->hLen - 2; - if ($length <= 0) { - return false; - } - - $plaintext = str_split($plaintext, $length); - $ciphertext = ''; - foreach ($plaintext as $m) { - $ciphertext.= $this->_rsaes_oaep_encrypt($m); - } - return $ciphertext; - } - } - - /** - * Decryption - * - * @see self::encrypt() - * @access public - * @param string $plaintext - * @return string - */ - function decrypt($ciphertext) - { - if ($this->k <= 0) { - return false; - } - - $ciphertext = str_split($ciphertext, $this->k); - $ciphertext[count($ciphertext) - 1] = str_pad($ciphertext[count($ciphertext) - 1], $this->k, chr(0), STR_PAD_LEFT); - - $plaintext = ''; - - switch ($this->encryptionMode) { - case self::ENCRYPTION_NONE: - $decrypt = '_raw_encrypt'; - break; - case self::ENCRYPTION_PKCS1: - $decrypt = '_rsaes_pkcs1_v1_5_decrypt'; - break; - //case self::ENCRYPTION_OAEP: - default: - $decrypt = '_rsaes_oaep_decrypt'; - } - - foreach ($ciphertext as $c) { - $temp = $this->$decrypt($c); - if ($temp === false) { - return false; - } - $plaintext.= $temp; - } - - return $plaintext; - } - - /** - * Create a signature - * - * @see self::verify() - * @access public - * @param string $message - * @return string - */ - function sign($message) - { - if (empty($this->modulus) || empty($this->exponent)) { - return false; - } - - switch ($this->signatureMode) { - case self::SIGNATURE_PKCS1: - return $this->_rsassa_pkcs1_v1_5_sign($message); - //case self::SIGNATURE_PSS: - default: - return $this->_rsassa_pss_sign($message); - } - } - - /** - * Verifies a signature - * - * @see self::sign() - * @access public - * @param string $message - * @param string $signature - * @return bool - */ - function verify($message, $signature) - { - if (empty($this->modulus) || empty($this->exponent)) { - return false; - } - - switch ($this->signatureMode) { - case self::SIGNATURE_PKCS1: - return $this->_rsassa_pkcs1_v1_5_verify($message, $signature); - //case self::SIGNATURE_PSS: - default: - return $this->_rsassa_pss_verify($message, $signature); - } - } - - /** - * Extract raw BER from Base64 encoding - * - * @access private - * @param string $str - * @return string - */ - function _extractBER($str) - { - /* X.509 certs are assumed to be base64 encoded but sometimes they'll have additional things in them - * above and beyond the ceritificate. - * ie. some may have the following preceding the -----BEGIN CERTIFICATE----- line: - * - * Bag Attributes - * localKeyID: 01 00 00 00 - * subject=/O=organization/OU=org unit/CN=common name - * issuer=/O=organization/CN=common name - */ - $temp = preg_replace('#.*?^-+[^-]+-+[\r\n ]*$#ms', '', $str, 1); - // remove the -----BEGIN CERTIFICATE----- and -----END CERTIFICATE----- stuff - $temp = preg_replace('#-+[^-]+-+#', '', $temp); - // remove new lines - $temp = str_replace(array("\r", "\n", ' '), '', $temp); - $temp = preg_match('#^[a-zA-Z\d/+]*={0,2}$#', $temp) ? base64_decode($temp) : false; - return $temp != false ? $temp : $str; - } -} diff --git a/lib/phpseclib/Crypt/Random.php b/lib/phpseclib/Crypt/Random.php deleted file mode 100644 index 01e34cc367d..00000000000 --- a/lib/phpseclib/Crypt/Random.php +++ /dev/null @@ -1,274 +0,0 @@ - - * - * - * - * @category Crypt - * @package Random - * @author Jim Wigginton - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -/** - * Pure-PHP Random Number Generator - * - * @package Random - * @author Jim Wigginton - * @access public - */ -class Random -{ - /** - * Generate a random string. - * - * Although microoptimizations are generally discouraged as they impair readability this function is ripe with - * microoptimizations because this function has the potential of being called a huge number of times. - * eg. for RSA key generation. - * - * @param int $length - * @return string - */ - static function string($length) - { - if (!$length) { - return ''; - } - - if (version_compare(PHP_VERSION, '7.0.0', '>=')) { - try { - return \random_bytes($length); - } catch (\Throwable $e) { - // If a sufficient source of randomness is unavailable, random_bytes() will throw an - // object that implements the Throwable interface (Exception, TypeError, Error). - // We don't actually need to do anything here. The string() method should just continue - // as normal. Note, however, that if we don't have a sufficient source of randomness for - // random_bytes(), most of the other calls here will fail too, so we'll end up using - // the PHP implementation. - } - } - - if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { - // method 1. prior to PHP 5.3 this would call rand() on windows hence the function_exists('class_alias') call. - // ie. class_alias is a function that was introduced in PHP 5.3 - if (extension_loaded('mcrypt') && function_exists('class_alias')) { - return @mcrypt_create_iv($length); - } - // method 2. openssl_random_pseudo_bytes was introduced in PHP 5.3.0 but prior to PHP 5.3.4 there was, - // to quote , "possible blocking behavior". as of 5.3.4 - // openssl_random_pseudo_bytes and mcrypt_create_iv do the exact same thing on Windows. ie. they both - // call php_win32_get_random_bytes(): - // - // https://github.com/php/php-src/blob/7014a0eb6d1611151a286c0ff4f2238f92c120d6/ext/openssl/openssl.c#L5008 - // https://github.com/php/php-src/blob/7014a0eb6d1611151a286c0ff4f2238f92c120d6/ext/mcrypt/mcrypt.c#L1392 - // - // php_win32_get_random_bytes() is defined thusly: - // - // https://github.com/php/php-src/blob/7014a0eb6d1611151a286c0ff4f2238f92c120d6/win32/winutil.c#L80 - // - // we're calling it, all the same, in the off chance that the mcrypt extension is not available - if (extension_loaded('openssl') && version_compare(PHP_VERSION, '5.3.4', '>=')) { - return openssl_random_pseudo_bytes($length); - } - } else { - // method 1. the fastest - if (extension_loaded('openssl')) { - return openssl_random_pseudo_bytes($length); - } - // method 2 - static $fp = true; - if ($fp === true) { - // warning's will be output unles the error suppression operator is used. errors such as - // "open_basedir restriction in effect", "Permission denied", "No such file or directory", etc. - $fp = @fopen('/dev/urandom', 'rb'); - } - if ($fp !== true && $fp !== false) { // surprisingly faster than !is_bool() or is_resource() - return fread($fp, $length); - } - // method 3. pretty much does the same thing as method 2 per the following url: - // https://github.com/php/php-src/blob/7014a0eb6d1611151a286c0ff4f2238f92c120d6/ext/mcrypt/mcrypt.c#L1391 - // surprisingly slower than method 2. maybe that's because mcrypt_create_iv does a bunch of error checking that we're - // not doing. regardless, this'll only be called if this PHP script couldn't open /dev/urandom due to open_basedir - // restrictions or some such - if (extension_loaded('mcrypt')) { - return @mcrypt_create_iv($length, MCRYPT_DEV_URANDOM); - } - } - // at this point we have no choice but to use a pure-PHP CSPRNG - - // cascade entropy across multiple PHP instances by fixing the session and collecting all - // environmental variables, including the previous session data and the current session - // data. - // - // mt_rand seeds itself by looking at the PID and the time, both of which are (relatively) - // easy to guess at. linux uses mouse clicks, keyboard timings, etc, as entropy sources, but - // PHP isn't low level to be able to use those as sources and on a web server there's not likely - // going to be a ton of keyboard or mouse action. web servers do have one thing that we can use - // however, a ton of people visiting the website. obviously you don't want to base your seeding - // soley on parameters a potential attacker sends but (1) not everything in $_SERVER is controlled - // by the user and (2) this isn't just looking at the data sent by the current user - it's based - // on the data sent by all users. one user requests the page and a hash of their info is saved. - // another user visits the page and the serialization of their data is utilized along with the - // server envirnment stuff and a hash of the previous http request data (which itself utilizes - // a hash of the session data before that). certainly an attacker should be assumed to have - // full control over his own http requests. he, however, is not going to have control over - // everyone's http requests. - static $crypto = false, $v; - if ($crypto === false) { - // save old session data - $old_session_id = session_id(); - $old_use_cookies = ini_get('session.use_cookies'); - $old_session_cache_limiter = session_cache_limiter(); - $_OLD_SESSION = isset($_SESSION) ? $_SESSION : false; - if ($old_session_id != '') { - session_write_close(); - } - - session_id(1); - ini_set('session.use_cookies', 0); - session_cache_limiter(''); - session_start(); - - $v = $seed = $_SESSION['seed'] = pack('H*', sha1( - (isset($_SERVER) ? phpseclib_safe_serialize($_SERVER) : '') . - (isset($_POST) ? phpseclib_safe_serialize($_POST) : '') . - (isset($_GET) ? phpseclib_safe_serialize($_GET) : '') . - (isset($_COOKIE) ? phpseclib_safe_serialize($_COOKIE) : '') . - phpseclib_safe_serialize($GLOBALS) . - phpseclib_safe_serialize($_SESSION) . - phpseclib_safe_serialize($_OLD_SESSION) - )); - if (!isset($_SESSION['count'])) { - $_SESSION['count'] = 0; - } - $_SESSION['count']++; - - session_write_close(); - - // restore old session data - if ($old_session_id != '') { - session_id($old_session_id); - session_start(); - ini_set('session.use_cookies', $old_use_cookies); - session_cache_limiter($old_session_cache_limiter); - } else { - if ($_OLD_SESSION !== false) { - $_SESSION = $_OLD_SESSION; - unset($_OLD_SESSION); - } else { - unset($_SESSION); - } - } - - // in SSH2 a shared secret and an exchange hash are generated through the key exchange process. - // the IV client to server is the hash of that "nonce" with the letter A and for the encryption key it's the letter C. - // if the hash doesn't produce enough a key or an IV that's long enough concat successive hashes of the - // original hash and the current hash. we'll be emulating that. for more info see the following URL: - // - // http://tools.ietf.org/html/rfc4253#section-7.2 - // - // see the is_string($crypto) part for an example of how to expand the keys - $key = pack('H*', sha1($seed . 'A')); - $iv = pack('H*', sha1($seed . 'C')); - - // ciphers are used as per the nist.gov link below. also, see this link: - // - // http://en.wikipedia.org/wiki/Cryptographically_secure_pseudorandom_number_generator#Designs_based_on_cryptographic_primitives - switch (true) { - case class_exists('\phpseclib\Crypt\AES'): - $crypto = new AES(Base::MODE_CTR); - break; - case class_exists('\phpseclib\Crypt\Twofish'): - $crypto = new Twofish(Base::MODE_CTR); - break; - case class_exists('\phpseclib\Crypt\Blowfish'): - $crypto = new Blowfish(Base::MODE_CTR); - break; - case class_exists('\phpseclib\Crypt\TripleDES'): - $crypto = new TripleDES(Base::MODE_CTR); - break; - case class_exists('\phpseclib\Crypt\DES'): - $crypto = new DES(Base::MODE_CTR); - break; - case class_exists('\phpseclib\Crypt\RC4'): - $crypto = new RC4(); - break; - default: - user_error(__CLASS__ . ' requires at least one symmetric cipher be loaded'); - return false; - } - - $crypto->setKey($key); - $crypto->setIV($iv); - $crypto->enableContinuousBuffer(); - } - - //return $crypto->encrypt(str_repeat("\0", $length)); - - // the following is based off of ANSI X9.31: - // - // http://csrc.nist.gov/groups/STM/cavp/documents/rng/931rngext.pdf - // - // OpenSSL uses that same standard for it's random numbers: - // - // http://www.opensource.apple.com/source/OpenSSL/OpenSSL-38/openssl/fips-1.0/rand/fips_rand.c - // (do a search for "ANS X9.31 A.2.4") - $result = ''; - while (strlen($result) < $length) { - $i = $crypto->encrypt(microtime()); // strlen(microtime()) == 21 - $r = $crypto->encrypt($i ^ $v); // strlen($v) == 20 - $v = $crypto->encrypt($r ^ $i); // strlen($r) == 20 - $result.= $r; - } - return substr($result, 0, $length); - } -} - -if (!function_exists('phpseclib_safe_serialize')) { - /** - * Safely serialize variables - * - * If a class has a private __sleep() method it'll give a fatal error on PHP 5.2 and earlier. - * PHP 5.3 will emit a warning. - * - * @param mixed $arr - * @access public - */ - function phpseclib_safe_serialize(&$arr) - { - if (is_object($arr)) { - return ''; - } - if (!is_array($arr)) { - return serialize($arr); - } - // prevent circular array recursion - if (isset($arr['__phpseclib_marker'])) { - return ''; - } - $safearr = array(); - $arr['__phpseclib_marker'] = true; - foreach (array_keys($arr) as $key) { - // do not recurse on the '__phpseclib_marker' key itself, for smaller memory usage - if ($key !== '__phpseclib_marker') { - $safearr[$key] = phpseclib_safe_serialize($arr[$key]); - } - } - unset($arr['__phpseclib_marker']); - return serialize($safearr); - } -} diff --git a/lib/phpseclib/Crypt/Rijndael.php b/lib/phpseclib/Crypt/Rijndael.php deleted file mode 100644 index 3648a1972f5..00000000000 --- a/lib/phpseclib/Crypt/Rijndael.php +++ /dev/null @@ -1,936 +0,0 @@ - - * setKey('abcdefghijklmnop'); - * - * $size = 10 * 1024; - * $plaintext = ''; - * for ($i = 0; $i < $size; $i++) { - * $plaintext.= 'a'; - * } - * - * echo $rijndael->decrypt($rijndael->encrypt($plaintext)); - * ?> - * - * - * @category Crypt - * @package Rijndael - * @author Jim Wigginton - * @copyright 2008 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -/** - * Pure-PHP implementation of Rijndael. - * - * @package Rijndael - * @author Jim Wigginton - * @access public - */ -class Rijndael extends Base -{ - /** - * The mcrypt specific name of the cipher - * - * Mcrypt is useable for 128/192/256-bit $block_size/$key_length. For 160/224 not. - * \phpseclib\Crypt\Rijndael determines automatically whether mcrypt is useable - * or not for the current $block_size/$key_length. - * In case of, $cipher_name_mcrypt will be set dynamically at run time accordingly. - * - * @see \phpseclib\Crypt\Base::cipher_name_mcrypt - * @see \phpseclib\Crypt\Base::engine - * @see self::isValidEngine() - * @var string - * @access private - */ - var $cipher_name_mcrypt = 'rijndael-128'; - - /** - * The default salt used by setPassword() - * - * @see \phpseclib\Crypt\Base::password_default_salt - * @see \phpseclib\Crypt\Base::setPassword() - * @var string - * @access private - */ - var $password_default_salt = 'phpseclib'; - - /** - * The Key Schedule - * - * @see self::_setup() - * @var array - * @access private - */ - var $w; - - /** - * The Inverse Key Schedule - * - * @see self::_setup() - * @var array - * @access private - */ - var $dw; - - /** - * The Block Length divided by 32 - * - * @see self::setBlockLength() - * @var int - * @access private - * @internal The max value is 256 / 32 = 8, the min value is 128 / 32 = 4. Exists in conjunction with $block_size - * because the encryption / decryption / key schedule creation requires this number and not $block_size. We could - * derive this from $block_size or vice versa, but that'd mean we'd have to do multiple shift operations, so in lieu - * of that, we'll just precompute it once. - */ - var $Nb = 4; - - /** - * The Key Length (in bytes) - * - * @see self::setKeyLength() - * @var int - * @access private - * @internal The max value is 256 / 8 = 32, the min value is 128 / 8 = 16. Exists in conjunction with $Nk - * because the encryption / decryption / key schedule creation requires this number and not $key_length. We could - * derive this from $key_length or vice versa, but that'd mean we'd have to do multiple shift operations, so in lieu - * of that, we'll just precompute it once. - */ - var $key_length = 16; - - /** - * The Key Length divided by 32 - * - * @see self::setKeyLength() - * @var int - * @access private - * @internal The max value is 256 / 32 = 8, the min value is 128 / 32 = 4 - */ - var $Nk = 4; - - /** - * The Number of Rounds - * - * @var int - * @access private - * @internal The max value is 14, the min value is 10. - */ - var $Nr; - - /** - * Shift offsets - * - * @var array - * @access private - */ - var $c; - - /** - * Holds the last used key- and block_size information - * - * @var array - * @access private - */ - var $kl; - - /** - * Sets the key length. - * - * Valid key lengths are 128, 160, 192, 224, and 256. If the length is less than 128, it will be rounded up to - * 128. If the length is greater than 128 and invalid, it will be rounded down to the closest valid amount. - * - * Note: phpseclib extends Rijndael (and AES) for using 160- and 224-bit keys but they are officially not defined - * and the most (if not all) implementations are not able using 160/224-bit keys but round/pad them up to - * 192/256 bits as, for example, mcrypt will do. - * - * That said, if you want be compatible with other Rijndael and AES implementations, - * you should not setKeyLength(160) or setKeyLength(224). - * - * Additional: In case of 160- and 224-bit keys, phpseclib will/can, for that reason, not use - * the mcrypt php extension, even if available. - * This results then in slower encryption. - * - * @access public - * @param int $length - */ - function setKeyLength($length) - { - switch (true) { - case $length <= 128: - $this->key_length = 16; - break; - case $length <= 160: - $this->key_length = 20; - break; - case $length <= 192: - $this->key_length = 24; - break; - case $length <= 224: - $this->key_length = 28; - break; - default: - $this->key_length = 32; - } - - parent::setKeyLength($length); - } - - /** - * Sets the block length - * - * Valid block lengths are 128, 160, 192, 224, and 256. If the length is less than 128, it will be rounded up to - * 128. If the length is greater than 128 and invalid, it will be rounded down to the closest valid amount. - * - * @access public - * @param int $length - */ - function setBlockLength($length) - { - $length >>= 5; - if ($length > 8) { - $length = 8; - } elseif ($length < 4) { - $length = 4; - } - $this->Nb = $length; - $this->block_size = $length << 2; - $this->changed = true; - $this->_setEngine(); - } - - /** - * Test for engine validity - * - * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Base::isValidEngine() - * - * @see \phpseclib\Crypt\Base::__construct() - * @param int $engine - * @access public - * @return bool - */ - function isValidEngine($engine) - { - switch ($engine) { - case self::ENGINE_OPENSSL: - if ($this->block_size != 16) { - return false; - } - $this->cipher_name_openssl_ecb = 'aes-' . ($this->key_length << 3) . '-ecb'; - $this->cipher_name_openssl = 'aes-' . ($this->key_length << 3) . '-' . $this->_openssl_translate_mode(); - break; - case self::ENGINE_MCRYPT: - $this->cipher_name_mcrypt = 'rijndael-' . ($this->block_size << 3); - if ($this->key_length % 8) { // is it a 160/224-bit key? - // mcrypt is not usable for them, only for 128/192/256-bit keys - return false; - } - } - - return parent::isValidEngine($engine); - } - - /** - * Encrypts a block - * - * @access private - * @param string $in - * @return string - */ - function _encryptBlock($in) - { - static $tables; - if (empty($tables)) { - $tables = &$this->_getTables(); - } - $t0 = $tables[0]; - $t1 = $tables[1]; - $t2 = $tables[2]; - $t3 = $tables[3]; - $sbox = $tables[4]; - - $state = array(); - $words = unpack('N*', $in); - - $c = $this->c; - $w = $this->w; - $Nb = $this->Nb; - $Nr = $this->Nr; - - // addRoundKey - $wc = $Nb - 1; - foreach ($words as $word) { - $state[] = $word ^ $w[++$wc]; - } - - // fips-197.pdf#page=19, "Figure 5. Pseudo Code for the Cipher", states that this loop has four components - - // subBytes, shiftRows, mixColumns, and addRoundKey. fips-197.pdf#page=30, "Implementation Suggestions Regarding - // Various Platforms" suggests that performs enhanced implementations are described in Rijndael-ammended.pdf. - // Rijndael-ammended.pdf#page=20, "Implementation aspects / 32-bit processor", discusses such an optimization. - // Unfortunately, the description given there is not quite correct. Per aes.spec.v316.pdf#page=19 [1], - // equation (7.4.7) is supposed to use addition instead of subtraction, so we'll do that here, as well. - - // [1] http://fp.gladman.plus.com/cryptography_technology/rijndael/aes.spec.v316.pdf - $temp = array(); - for ($round = 1; $round < $Nr; ++$round) { - $i = 0; // $c[0] == 0 - $j = $c[1]; - $k = $c[2]; - $l = $c[3]; - - while ($i < $Nb) { - $temp[$i] = $t0[$state[$i] >> 24 & 0x000000FF] ^ - $t1[$state[$j] >> 16 & 0x000000FF] ^ - $t2[$state[$k] >> 8 & 0x000000FF] ^ - $t3[$state[$l] & 0x000000FF] ^ - $w[++$wc]; - ++$i; - $j = ($j + 1) % $Nb; - $k = ($k + 1) % $Nb; - $l = ($l + 1) % $Nb; - } - $state = $temp; - } - - // subWord - for ($i = 0; $i < $Nb; ++$i) { - $state[$i] = $sbox[$state[$i] & 0x000000FF] | - ($sbox[$state[$i] >> 8 & 0x000000FF] << 8) | - ($sbox[$state[$i] >> 16 & 0x000000FF] << 16) | - ($sbox[$state[$i] >> 24 & 0x000000FF] << 24); - } - - // shiftRows + addRoundKey - $i = 0; // $c[0] == 0 - $j = $c[1]; - $k = $c[2]; - $l = $c[3]; - while ($i < $Nb) { - $temp[$i] = ($state[$i] & 0xFF000000) ^ - ($state[$j] & 0x00FF0000) ^ - ($state[$k] & 0x0000FF00) ^ - ($state[$l] & 0x000000FF) ^ - $w[$i]; - ++$i; - $j = ($j + 1) % $Nb; - $k = ($k + 1) % $Nb; - $l = ($l + 1) % $Nb; - } - - switch ($Nb) { - case 8: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5], $temp[6], $temp[7]); - case 7: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5], $temp[6]); - case 6: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5]); - case 5: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4]); - default: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3]); - } - } - - /** - * Decrypts a block - * - * @access private - * @param string $in - * @return string - */ - function _decryptBlock($in) - { - static $invtables; - if (empty($invtables)) { - $invtables = &$this->_getInvTables(); - } - $dt0 = $invtables[0]; - $dt1 = $invtables[1]; - $dt2 = $invtables[2]; - $dt3 = $invtables[3]; - $isbox = $invtables[4]; - - $state = array(); - $words = unpack('N*', $in); - - $c = $this->c; - $dw = $this->dw; - $Nb = $this->Nb; - $Nr = $this->Nr; - - // addRoundKey - $wc = $Nb - 1; - foreach ($words as $word) { - $state[] = $word ^ $dw[++$wc]; - } - - $temp = array(); - for ($round = $Nr - 1; $round > 0; --$round) { - $i = 0; // $c[0] == 0 - $j = $Nb - $c[1]; - $k = $Nb - $c[2]; - $l = $Nb - $c[3]; - - while ($i < $Nb) { - $temp[$i] = $dt0[$state[$i] >> 24 & 0x000000FF] ^ - $dt1[$state[$j] >> 16 & 0x000000FF] ^ - $dt2[$state[$k] >> 8 & 0x000000FF] ^ - $dt3[$state[$l] & 0x000000FF] ^ - $dw[++$wc]; - ++$i; - $j = ($j + 1) % $Nb; - $k = ($k + 1) % $Nb; - $l = ($l + 1) % $Nb; - } - $state = $temp; - } - - // invShiftRows + invSubWord + addRoundKey - $i = 0; // $c[0] == 0 - $j = $Nb - $c[1]; - $k = $Nb - $c[2]; - $l = $Nb - $c[3]; - - while ($i < $Nb) { - $word = ($state[$i] & 0xFF000000) | - ($state[$j] & 0x00FF0000) | - ($state[$k] & 0x0000FF00) | - ($state[$l] & 0x000000FF); - - $temp[$i] = $dw[$i] ^ ($isbox[$word & 0x000000FF] | - ($isbox[$word >> 8 & 0x000000FF] << 8) | - ($isbox[$word >> 16 & 0x000000FF] << 16) | - ($isbox[$word >> 24 & 0x000000FF] << 24)); - ++$i; - $j = ($j + 1) % $Nb; - $k = ($k + 1) % $Nb; - $l = ($l + 1) % $Nb; - } - - switch ($Nb) { - case 8: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5], $temp[6], $temp[7]); - case 7: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5], $temp[6]); - case 6: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5]); - case 5: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4]); - default: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3]); - } - } - - /** - * Setup the key (expansion) - * - * @see \phpseclib\Crypt\Base::_setupKey() - * @access private - */ - function _setupKey() - { - // Each number in $rcon is equal to the previous number multiplied by two in Rijndael's finite field. - // See http://en.wikipedia.org/wiki/Finite_field_arithmetic#Multiplicative_inverse - static $rcon = array(0, - 0x01000000, 0x02000000, 0x04000000, 0x08000000, 0x10000000, - 0x20000000, 0x40000000, 0x80000000, 0x1B000000, 0x36000000, - 0x6C000000, 0xD8000000, 0xAB000000, 0x4D000000, 0x9A000000, - 0x2F000000, 0x5E000000, 0xBC000000, 0x63000000, 0xC6000000, - 0x97000000, 0x35000000, 0x6A000000, 0xD4000000, 0xB3000000, - 0x7D000000, 0xFA000000, 0xEF000000, 0xC5000000, 0x91000000 - ); - - if (isset($this->kl['key']) && $this->key === $this->kl['key'] && $this->key_length === $this->kl['key_length'] && $this->block_size === $this->kl['block_size']) { - // already expanded - return; - } - $this->kl = array('key' => $this->key, 'key_length' => $this->key_length, 'block_size' => $this->block_size); - - $this->Nk = $this->key_length >> 2; - // see Rijndael-ammended.pdf#page=44 - $this->Nr = max($this->Nk, $this->Nb) + 6; - - // shift offsets for Nb = 5, 7 are defined in Rijndael-ammended.pdf#page=44, - // "Table 8: Shift offsets in Shiftrow for the alternative block lengths" - // shift offsets for Nb = 4, 6, 8 are defined in Rijndael-ammended.pdf#page=14, - // "Table 2: Shift offsets for different block lengths" - switch ($this->Nb) { - case 4: - case 5: - case 6: - $this->c = array(0, 1, 2, 3); - break; - case 7: - $this->c = array(0, 1, 2, 4); - break; - case 8: - $this->c = array(0, 1, 3, 4); - } - - $w = array_values(unpack('N*words', $this->key)); - - $length = $this->Nb * ($this->Nr + 1); - for ($i = $this->Nk; $i < $length; $i++) { - $temp = $w[$i - 1]; - if ($i % $this->Nk == 0) { - // according to , "the size of an integer is platform-dependent". - // on a 32-bit machine, it's 32-bits, and on a 64-bit machine, it's 64-bits. on a 32-bit machine, - // 0xFFFFFFFF << 8 == 0xFFFFFF00, but on a 64-bit machine, it equals 0xFFFFFFFF00. as such, doing 'and' - // with 0xFFFFFFFF (or 0xFFFFFF00) on a 32-bit machine is unnecessary, but on a 64-bit machine, it is. - $temp = (($temp << 8) & 0xFFFFFF00) | (($temp >> 24) & 0x000000FF); // rotWord - $temp = $this->_subWord($temp) ^ $rcon[$i / $this->Nk]; - } elseif ($this->Nk > 6 && $i % $this->Nk == 4) { - $temp = $this->_subWord($temp); - } - $w[$i] = $w[$i - $this->Nk] ^ $temp; - } - - // convert the key schedule from a vector of $Nb * ($Nr + 1) length to a matrix with $Nr + 1 rows and $Nb columns - // and generate the inverse key schedule. more specifically, - // according to (section 5.3.3), - // "The key expansion for the Inverse Cipher is defined as follows: - // 1. Apply the Key Expansion. - // 2. Apply InvMixColumn to all Round Keys except the first and the last one." - // also, see fips-197.pdf#page=27, "5.3.5 Equivalent Inverse Cipher" - list($dt0, $dt1, $dt2, $dt3) = $this->_getInvTables(); - $temp = $this->w = $this->dw = array(); - for ($i = $row = $col = 0; $i < $length; $i++, $col++) { - if ($col == $this->Nb) { - if ($row == 0) { - $this->dw[0] = $this->w[0]; - } else { - // subWord + invMixColumn + invSubWord = invMixColumn - $j = 0; - while ($j < $this->Nb) { - $dw = $this->_subWord($this->w[$row][$j]); - $temp[$j] = $dt0[$dw >> 24 & 0x000000FF] ^ - $dt1[$dw >> 16 & 0x000000FF] ^ - $dt2[$dw >> 8 & 0x000000FF] ^ - $dt3[$dw & 0x000000FF]; - $j++; - } - $this->dw[$row] = $temp; - } - - $col = 0; - $row++; - } - $this->w[$row][$col] = $w[$i]; - } - - $this->dw[$row] = $this->w[$row]; - - // Converting to 1-dim key arrays (both ascending) - $this->dw = array_reverse($this->dw); - $w = array_pop($this->w); - $dw = array_pop($this->dw); - foreach ($this->w as $r => $wr) { - foreach ($wr as $c => $wc) { - $w[] = $wc; - $dw[] = $this->dw[$r][$c]; - } - } - $this->w = $w; - $this->dw = $dw; - } - - /** - * Performs S-Box substitutions - * - * @access private - * @param int $word - */ - function _subWord($word) - { - static $sbox; - if (empty($sbox)) { - list(, , , , $sbox) = $this->_getTables(); - } - - return $sbox[$word & 0x000000FF] | - ($sbox[$word >> 8 & 0x000000FF] << 8) | - ($sbox[$word >> 16 & 0x000000FF] << 16) | - ($sbox[$word >> 24 & 0x000000FF] << 24); - } - - /** - * Provides the mixColumns and sboxes tables - * - * @see self::_encryptBlock() - * @see self::_setupInlineCrypt() - * @see self::_subWord() - * @access private - * @return array &$tables - */ - function &_getTables() - { - static $tables; - if (empty($tables)) { - // according to (section 5.2.1), - // precomputed tables can be used in the mixColumns phase. in that example, they're assigned t0...t3, so - // those are the names we'll use. - $t3 = array_map('intval', array( - // with array_map('intval', ...) we ensure we have only int's and not - // some slower floats converted by php automatically on high values - 0x6363A5C6, 0x7C7C84F8, 0x777799EE, 0x7B7B8DF6, 0xF2F20DFF, 0x6B6BBDD6, 0x6F6FB1DE, 0xC5C55491, - 0x30305060, 0x01010302, 0x6767A9CE, 0x2B2B7D56, 0xFEFE19E7, 0xD7D762B5, 0xABABE64D, 0x76769AEC, - 0xCACA458F, 0x82829D1F, 0xC9C94089, 0x7D7D87FA, 0xFAFA15EF, 0x5959EBB2, 0x4747C98E, 0xF0F00BFB, - 0xADADEC41, 0xD4D467B3, 0xA2A2FD5F, 0xAFAFEA45, 0x9C9CBF23, 0xA4A4F753, 0x727296E4, 0xC0C05B9B, - 0xB7B7C275, 0xFDFD1CE1, 0x9393AE3D, 0x26266A4C, 0x36365A6C, 0x3F3F417E, 0xF7F702F5, 0xCCCC4F83, - 0x34345C68, 0xA5A5F451, 0xE5E534D1, 0xF1F108F9, 0x717193E2, 0xD8D873AB, 0x31315362, 0x15153F2A, - 0x04040C08, 0xC7C75295, 0x23236546, 0xC3C35E9D, 0x18182830, 0x9696A137, 0x05050F0A, 0x9A9AB52F, - 0x0707090E, 0x12123624, 0x80809B1B, 0xE2E23DDF, 0xEBEB26CD, 0x2727694E, 0xB2B2CD7F, 0x75759FEA, - 0x09091B12, 0x83839E1D, 0x2C2C7458, 0x1A1A2E34, 0x1B1B2D36, 0x6E6EB2DC, 0x5A5AEEB4, 0xA0A0FB5B, - 0x5252F6A4, 0x3B3B4D76, 0xD6D661B7, 0xB3B3CE7D, 0x29297B52, 0xE3E33EDD, 0x2F2F715E, 0x84849713, - 0x5353F5A6, 0xD1D168B9, 0x00000000, 0xEDED2CC1, 0x20206040, 0xFCFC1FE3, 0xB1B1C879, 0x5B5BEDB6, - 0x6A6ABED4, 0xCBCB468D, 0xBEBED967, 0x39394B72, 0x4A4ADE94, 0x4C4CD498, 0x5858E8B0, 0xCFCF4A85, - 0xD0D06BBB, 0xEFEF2AC5, 0xAAAAE54F, 0xFBFB16ED, 0x4343C586, 0x4D4DD79A, 0x33335566, 0x85859411, - 0x4545CF8A, 0xF9F910E9, 0x02020604, 0x7F7F81FE, 0x5050F0A0, 0x3C3C4478, 0x9F9FBA25, 0xA8A8E34B, - 0x5151F3A2, 0xA3A3FE5D, 0x4040C080, 0x8F8F8A05, 0x9292AD3F, 0x9D9DBC21, 0x38384870, 0xF5F504F1, - 0xBCBCDF63, 0xB6B6C177, 0xDADA75AF, 0x21216342, 0x10103020, 0xFFFF1AE5, 0xF3F30EFD, 0xD2D26DBF, - 0xCDCD4C81, 0x0C0C1418, 0x13133526, 0xECEC2FC3, 0x5F5FE1BE, 0x9797A235, 0x4444CC88, 0x1717392E, - 0xC4C45793, 0xA7A7F255, 0x7E7E82FC, 0x3D3D477A, 0x6464ACC8, 0x5D5DE7BA, 0x19192B32, 0x737395E6, - 0x6060A0C0, 0x81819819, 0x4F4FD19E, 0xDCDC7FA3, 0x22226644, 0x2A2A7E54, 0x9090AB3B, 0x8888830B, - 0x4646CA8C, 0xEEEE29C7, 0xB8B8D36B, 0x14143C28, 0xDEDE79A7, 0x5E5EE2BC, 0x0B0B1D16, 0xDBDB76AD, - 0xE0E03BDB, 0x32325664, 0x3A3A4E74, 0x0A0A1E14, 0x4949DB92, 0x06060A0C, 0x24246C48, 0x5C5CE4B8, - 0xC2C25D9F, 0xD3D36EBD, 0xACACEF43, 0x6262A6C4, 0x9191A839, 0x9595A431, 0xE4E437D3, 0x79798BF2, - 0xE7E732D5, 0xC8C8438B, 0x3737596E, 0x6D6DB7DA, 0x8D8D8C01, 0xD5D564B1, 0x4E4ED29C, 0xA9A9E049, - 0x6C6CB4D8, 0x5656FAAC, 0xF4F407F3, 0xEAEA25CF, 0x6565AFCA, 0x7A7A8EF4, 0xAEAEE947, 0x08081810, - 0xBABAD56F, 0x787888F0, 0x25256F4A, 0x2E2E725C, 0x1C1C2438, 0xA6A6F157, 0xB4B4C773, 0xC6C65197, - 0xE8E823CB, 0xDDDD7CA1, 0x74749CE8, 0x1F1F213E, 0x4B4BDD96, 0xBDBDDC61, 0x8B8B860D, 0x8A8A850F, - 0x707090E0, 0x3E3E427C, 0xB5B5C471, 0x6666AACC, 0x4848D890, 0x03030506, 0xF6F601F7, 0x0E0E121C, - 0x6161A3C2, 0x35355F6A, 0x5757F9AE, 0xB9B9D069, 0x86869117, 0xC1C15899, 0x1D1D273A, 0x9E9EB927, - 0xE1E138D9, 0xF8F813EB, 0x9898B32B, 0x11113322, 0x6969BBD2, 0xD9D970A9, 0x8E8E8907, 0x9494A733, - 0x9B9BB62D, 0x1E1E223C, 0x87879215, 0xE9E920C9, 0xCECE4987, 0x5555FFAA, 0x28287850, 0xDFDF7AA5, - 0x8C8C8F03, 0xA1A1F859, 0x89898009, 0x0D0D171A, 0xBFBFDA65, 0xE6E631D7, 0x4242C684, 0x6868B8D0, - 0x4141C382, 0x9999B029, 0x2D2D775A, 0x0F0F111E, 0xB0B0CB7B, 0x5454FCA8, 0xBBBBD66D, 0x16163A2C - )); - - foreach ($t3 as $t3i) { - $t0[] = (($t3i << 24) & 0xFF000000) | (($t3i >> 8) & 0x00FFFFFF); - $t1[] = (($t3i << 16) & 0xFFFF0000) | (($t3i >> 16) & 0x0000FFFF); - $t2[] = (($t3i << 8) & 0xFFFFFF00) | (($t3i >> 24) & 0x000000FF); - } - - $tables = array( - // The Precomputed mixColumns tables t0 - t3 - $t0, - $t1, - $t2, - $t3, - // The SubByte S-Box - array( - 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76, - 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0, 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0, - 0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC, 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15, - 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75, - 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0, 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84, - 0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B, 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF, - 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8, - 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5, 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2, - 0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17, 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73, - 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB, - 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C, 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79, - 0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9, 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08, - 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A, - 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E, 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E, - 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94, 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF, - 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16 - ) - ); - } - return $tables; - } - - /** - * Provides the inverse mixColumns and inverse sboxes tables - * - * @see self::_decryptBlock() - * @see self::_setupInlineCrypt() - * @see self::_setupKey() - * @access private - * @return array &$tables - */ - function &_getInvTables() - { - static $tables; - if (empty($tables)) { - $dt3 = array_map('intval', array( - 0xF4A75051, 0x4165537E, 0x17A4C31A, 0x275E963A, 0xAB6BCB3B, 0x9D45F11F, 0xFA58ABAC, 0xE303934B, - 0x30FA5520, 0x766DF6AD, 0xCC769188, 0x024C25F5, 0xE5D7FC4F, 0x2ACBD7C5, 0x35448026, 0x62A38FB5, - 0xB15A49DE, 0xBA1B6725, 0xEA0E9845, 0xFEC0E15D, 0x2F7502C3, 0x4CF01281, 0x4697A38D, 0xD3F9C66B, - 0x8F5FE703, 0x929C9515, 0x6D7AEBBF, 0x5259DA95, 0xBE832DD4, 0x7421D358, 0xE0692949, 0xC9C8448E, - 0xC2896A75, 0x8E7978F4, 0x583E6B99, 0xB971DD27, 0xE14FB6BE, 0x88AD17F0, 0x20AC66C9, 0xCE3AB47D, - 0xDF4A1863, 0x1A3182E5, 0x51336097, 0x537F4562, 0x6477E0B1, 0x6BAE84BB, 0x81A01CFE, 0x082B94F9, - 0x48685870, 0x45FD198F, 0xDE6C8794, 0x7BF8B752, 0x73D323AB, 0x4B02E272, 0x1F8F57E3, 0x55AB2A66, - 0xEB2807B2, 0xB5C2032F, 0xC57B9A86, 0x3708A5D3, 0x2887F230, 0xBFA5B223, 0x036ABA02, 0x16825CED, - 0xCF1C2B8A, 0x79B492A7, 0x07F2F0F3, 0x69E2A14E, 0xDAF4CD65, 0x05BED506, 0x34621FD1, 0xA6FE8AC4, - 0x2E539D34, 0xF355A0A2, 0x8AE13205, 0xF6EB75A4, 0x83EC390B, 0x60EFAA40, 0x719F065E, 0x6E1051BD, - 0x218AF93E, 0xDD063D96, 0x3E05AEDD, 0xE6BD464D, 0x548DB591, 0xC45D0571, 0x06D46F04, 0x5015FF60, - 0x98FB2419, 0xBDE997D6, 0x4043CC89, 0xD99E7767, 0xE842BDB0, 0x898B8807, 0x195B38E7, 0xC8EEDB79, - 0x7C0A47A1, 0x420FE97C, 0x841EC9F8, 0x00000000, 0x80868309, 0x2BED4832, 0x1170AC1E, 0x5A724E6C, - 0x0EFFFBFD, 0x8538560F, 0xAED51E3D, 0x2D392736, 0x0FD9640A, 0x5CA62168, 0x5B54D19B, 0x362E3A24, - 0x0A67B10C, 0x57E70F93, 0xEE96D2B4, 0x9B919E1B, 0xC0C54F80, 0xDC20A261, 0x774B695A, 0x121A161C, - 0x93BA0AE2, 0xA02AE5C0, 0x22E0433C, 0x1B171D12, 0x090D0B0E, 0x8BC7ADF2, 0xB6A8B92D, 0x1EA9C814, - 0xF1198557, 0x75074CAF, 0x99DDBBEE, 0x7F60FDA3, 0x01269FF7, 0x72F5BC5C, 0x663BC544, 0xFB7E345B, - 0x4329768B, 0x23C6DCCB, 0xEDFC68B6, 0xE4F163B8, 0x31DCCAD7, 0x63851042, 0x97224013, 0xC6112084, - 0x4A247D85, 0xBB3DF8D2, 0xF93211AE, 0x29A16DC7, 0x9E2F4B1D, 0xB230F3DC, 0x8652EC0D, 0xC1E3D077, - 0xB3166C2B, 0x70B999A9, 0x9448FA11, 0xE9642247, 0xFC8CC4A8, 0xF03F1AA0, 0x7D2CD856, 0x3390EF22, - 0x494EC787, 0x38D1C1D9, 0xCAA2FE8C, 0xD40B3698, 0xF581CFA6, 0x7ADE28A5, 0xB78E26DA, 0xADBFA43F, - 0x3A9DE42C, 0x78920D50, 0x5FCC9B6A, 0x7E466254, 0x8D13C2F6, 0xD8B8E890, 0x39F75E2E, 0xC3AFF582, - 0x5D80BE9F, 0xD0937C69, 0xD52DA96F, 0x2512B3CF, 0xAC993BC8, 0x187DA710, 0x9C636EE8, 0x3BBB7BDB, - 0x267809CD, 0x5918F46E, 0x9AB701EC, 0x4F9AA883, 0x956E65E6, 0xFFE67EAA, 0xBCCF0821, 0x15E8E6EF, - 0xE79BD9BA, 0x6F36CE4A, 0x9F09D4EA, 0xB07CD629, 0xA4B2AF31, 0x3F23312A, 0xA59430C6, 0xA266C035, - 0x4EBC3774, 0x82CAA6FC, 0x90D0B0E0, 0xA7D81533, 0x04984AF1, 0xECDAF741, 0xCD500E7F, 0x91F62F17, - 0x4DD68D76, 0xEFB04D43, 0xAA4D54CC, 0x9604DFE4, 0xD1B5E39E, 0x6A881B4C, 0x2C1FB8C1, 0x65517F46, - 0x5EEA049D, 0x8C355D01, 0x877473FA, 0x0B412EFB, 0x671D5AB3, 0xDBD25292, 0x105633E9, 0xD647136D, - 0xD7618C9A, 0xA10C7A37, 0xF8148E59, 0x133C89EB, 0xA927EECE, 0x61C935B7, 0x1CE5EDE1, 0x47B13C7A, - 0xD2DF599C, 0xF2733F55, 0x14CE7918, 0xC737BF73, 0xF7CDEA53, 0xFDAA5B5F, 0x3D6F14DF, 0x44DB8678, - 0xAFF381CA, 0x68C43EB9, 0x24342C38, 0xA3405FC2, 0x1DC37216, 0xE2250CBC, 0x3C498B28, 0x0D9541FF, - 0xA8017139, 0x0CB3DE08, 0xB4E49CD8, 0x56C19064, 0xCB84617B, 0x32B670D5, 0x6C5C7448, 0xB85742D0 - )); - - foreach ($dt3 as $dt3i) { - $dt0[] = (($dt3i << 24) & 0xFF000000) | (($dt3i >> 8) & 0x00FFFFFF); - $dt1[] = (($dt3i << 16) & 0xFFFF0000) | (($dt3i >> 16) & 0x0000FFFF); - $dt2[] = (($dt3i << 8) & 0xFFFFFF00) | (($dt3i >> 24) & 0x000000FF); - }; - - $tables = array( - // The Precomputed inverse mixColumns tables dt0 - dt3 - $dt0, - $dt1, - $dt2, - $dt3, - // The inverse SubByte S-Box - array( - 0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38, 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB, - 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87, 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB, - 0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D, 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E, - 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2, 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25, - 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92, - 0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA, 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84, - 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A, 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06, - 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02, 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B, - 0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA, 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73, - 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85, 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E, - 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89, 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B, - 0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20, 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4, - 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31, 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F, - 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D, 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF, - 0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0, 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61, - 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26, 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D - ) - ); - } - return $tables; - } - - /** - * Setup the performance-optimized function for de/encrypt() - * - * @see \phpseclib\Crypt\Base::_setupInlineCrypt() - * @access private - */ - function _setupInlineCrypt() - { - // Note: _setupInlineCrypt() will be called only if $this->changed === true - // So here we are'nt under the same heavy timing-stress as we are in _de/encryptBlock() or de/encrypt(). - // However...the here generated function- $code, stored as php callback in $this->inline_crypt, must work as fast as even possible. - - $lambda_functions =& self::_getLambdaFunctions(); - - // We create max. 10 hi-optimized code for memory reason. Means: For each $key one ultra fast inline-crypt function. - // (Currently, for Crypt_Rijndael/AES, one generated $lambda_function cost on php5.5@32bit ~80kb unfreeable mem and ~130kb on php5.5@64bit) - // After that, we'll still create very fast optimized code but not the hi-ultimative code, for each $mode one. - $gen_hi_opt_code = (bool)(count($lambda_functions) < 10); - - // Generation of a uniqe hash for our generated code - $code_hash = "Crypt_Rijndael, {$this->mode}, {$this->Nr}, {$this->Nb}"; - if ($gen_hi_opt_code) { - $code_hash = str_pad($code_hash, 32) . $this->_hashInlineCryptFunction($this->key); - } - - if (!isset($lambda_functions[$code_hash])) { - switch (true) { - case $gen_hi_opt_code: - // The hi-optimized $lambda_functions will use the key-words hardcoded for better performance. - $w = $this->w; - $dw = $this->dw; - $init_encrypt = ''; - $init_decrypt = ''; - break; - default: - for ($i = 0, $cw = count($this->w); $i < $cw; ++$i) { - $w[] = '$w[' . $i . ']'; - $dw[] = '$dw[' . $i . ']'; - } - $init_encrypt = '$w = $self->w;'; - $init_decrypt = '$dw = $self->dw;'; - } - - $Nr = $this->Nr; - $Nb = $this->Nb; - $c = $this->c; - - // Generating encrypt code: - $init_encrypt.= ' - static $tables; - if (empty($tables)) { - $tables = &$self->_getTables(); - } - $t0 = $tables[0]; - $t1 = $tables[1]; - $t2 = $tables[2]; - $t3 = $tables[3]; - $sbox = $tables[4]; - '; - - $s = 'e'; - $e = 's'; - $wc = $Nb - 1; - - // Preround: addRoundKey - $encrypt_block = '$in = unpack("N*", $in);'."\n"; - for ($i = 0; $i < $Nb; ++$i) { - $encrypt_block .= '$s'.$i.' = $in['.($i + 1).'] ^ '.$w[++$wc].";\n"; - } - - // Mainrounds: shiftRows + subWord + mixColumns + addRoundKey - for ($round = 1; $round < $Nr; ++$round) { - list($s, $e) = array($e, $s); - for ($i = 0; $i < $Nb; ++$i) { - $encrypt_block.= - '$'.$e.$i.' = - $t0[($'.$s.$i .' >> 24) & 0xff] ^ - $t1[($'.$s.(($i + $c[1]) % $Nb).' >> 16) & 0xff] ^ - $t2[($'.$s.(($i + $c[2]) % $Nb).' >> 8) & 0xff] ^ - $t3[ $'.$s.(($i + $c[3]) % $Nb).' & 0xff] ^ - '.$w[++$wc].";\n"; - } - } - - // Finalround: subWord + shiftRows + addRoundKey - for ($i = 0; $i < $Nb; ++$i) { - $encrypt_block.= - '$'.$e.$i.' = - $sbox[ $'.$e.$i.' & 0xff] | - ($sbox[($'.$e.$i.' >> 8) & 0xff] << 8) | - ($sbox[($'.$e.$i.' >> 16) & 0xff] << 16) | - ($sbox[($'.$e.$i.' >> 24) & 0xff] << 24);'."\n"; - } - $encrypt_block .= '$in = pack("N*"'."\n"; - for ($i = 0; $i < $Nb; ++$i) { - $encrypt_block.= ', - ($'.$e.$i .' & '.((int)0xFF000000).') ^ - ($'.$e.(($i + $c[1]) % $Nb).' & 0x00FF0000 ) ^ - ($'.$e.(($i + $c[2]) % $Nb).' & 0x0000FF00 ) ^ - ($'.$e.(($i + $c[3]) % $Nb).' & 0x000000FF ) ^ - '.$w[$i]."\n"; - } - $encrypt_block .= ');'; - - // Generating decrypt code: - $init_decrypt.= ' - static $invtables; - if (empty($invtables)) { - $invtables = &$self->_getInvTables(); - } - $dt0 = $invtables[0]; - $dt1 = $invtables[1]; - $dt2 = $invtables[2]; - $dt3 = $invtables[3]; - $isbox = $invtables[4]; - '; - - $s = 'e'; - $e = 's'; - $wc = $Nb - 1; - - // Preround: addRoundKey - $decrypt_block = '$in = unpack("N*", $in);'."\n"; - for ($i = 0; $i < $Nb; ++$i) { - $decrypt_block .= '$s'.$i.' = $in['.($i + 1).'] ^ '.$dw[++$wc].';'."\n"; - } - - // Mainrounds: shiftRows + subWord + mixColumns + addRoundKey - for ($round = 1; $round < $Nr; ++$round) { - list($s, $e) = array($e, $s); - for ($i = 0; $i < $Nb; ++$i) { - $decrypt_block.= - '$'.$e.$i.' = - $dt0[($'.$s.$i .' >> 24) & 0xff] ^ - $dt1[($'.$s.(($Nb + $i - $c[1]) % $Nb).' >> 16) & 0xff] ^ - $dt2[($'.$s.(($Nb + $i - $c[2]) % $Nb).' >> 8) & 0xff] ^ - $dt3[ $'.$s.(($Nb + $i - $c[3]) % $Nb).' & 0xff] ^ - '.$dw[++$wc].";\n"; - } - } - - // Finalround: subWord + shiftRows + addRoundKey - for ($i = 0; $i < $Nb; ++$i) { - $decrypt_block.= - '$'.$e.$i.' = - $isbox[ $'.$e.$i.' & 0xff] | - ($isbox[($'.$e.$i.' >> 8) & 0xff] << 8) | - ($isbox[($'.$e.$i.' >> 16) & 0xff] << 16) | - ($isbox[($'.$e.$i.' >> 24) & 0xff] << 24);'."\n"; - } - $decrypt_block .= '$in = pack("N*"'."\n"; - for ($i = 0; $i < $Nb; ++$i) { - $decrypt_block.= ', - ($'.$e.$i. ' & '.((int)0xFF000000).') ^ - ($'.$e.(($Nb + $i - $c[1]) % $Nb).' & 0x00FF0000 ) ^ - ($'.$e.(($Nb + $i - $c[2]) % $Nb).' & 0x0000FF00 ) ^ - ($'.$e.(($Nb + $i - $c[3]) % $Nb).' & 0x000000FF ) ^ - '.$dw[$i]."\n"; - } - $decrypt_block .= ');'; - - $lambda_functions[$code_hash] = $this->_createInlineCryptFunction( - array( - 'init_crypt' => '', - 'init_encrypt' => $init_encrypt, - 'init_decrypt' => $init_decrypt, - 'encrypt_block' => $encrypt_block, - 'decrypt_block' => $decrypt_block - ) - ); - } - $this->inline_crypt = $lambda_functions[$code_hash]; - } -} diff --git a/lib/phpseclib/Crypt/TripleDES.php b/lib/phpseclib/Crypt/TripleDES.php deleted file mode 100644 index a2c41668ae4..00000000000 --- a/lib/phpseclib/Crypt/TripleDES.php +++ /dev/null @@ -1,460 +0,0 @@ - - * setKey('abcdefghijklmnopqrstuvwx'); - * - * $size = 10 * 1024; - * $plaintext = ''; - * for ($i = 0; $i < $size; $i++) { - * $plaintext.= 'a'; - * } - * - * echo $des->decrypt($des->encrypt($plaintext)); - * ?> - * - * - * @category Crypt - * @package TripleDES - * @author Jim Wigginton - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -/** - * Pure-PHP implementation of Triple DES. - * - * @package TripleDES - * @author Jim Wigginton - * @access public - */ -class TripleDES extends DES -{ - /** - * Encrypt / decrypt using inner chaining - * - * Inner chaining is used by SSH-1 and is generally considered to be less secure then outer chaining (self::MODE_CBC3). - */ - const MODE_3CBC = -2; - - /** - * Encrypt / decrypt using outer chaining - * - * Outer chaining is used by SSH-2 and when the mode is set to \phpseclib\Crypt\Base::MODE_CBC. - */ - const MODE_CBC3 = Base::MODE_CBC; - - /** - * Key Length (in bytes) - * - * @see \phpseclib\Crypt\TripleDES::setKeyLength() - * @var int - * @access private - */ - var $key_length = 24; - - /** - * The default salt used by setPassword() - * - * @see \phpseclib\Crypt\Base::password_default_salt - * @see \phpseclib\Crypt\Base::setPassword() - * @var string - * @access private - */ - var $password_default_salt = 'phpseclib'; - - /** - * The mcrypt specific name of the cipher - * - * @see \phpseclib\Crypt\DES::cipher_name_mcrypt - * @see \phpseclib\Crypt\Base::cipher_name_mcrypt - * @var string - * @access private - */ - var $cipher_name_mcrypt = 'tripledes'; - - /** - * Optimizing value while CFB-encrypting - * - * @see \phpseclib\Crypt\Base::cfb_init_len - * @var int - * @access private - */ - var $cfb_init_len = 750; - - /** - * max possible size of $key - * - * @see self::setKey() - * @see \phpseclib\Crypt\DES::setKey() - * @var string - * @access private - */ - var $key_length_max = 24; - - /** - * Internal flag whether using self::MODE_3CBC or not - * - * @var bool - * @access private - */ - var $mode_3cbc; - - /** - * The \phpseclib\Crypt\DES objects - * - * Used only if $mode_3cbc === true - * - * @var array - * @access private - */ - var $des; - - /** - * Default Constructor. - * - * Determines whether or not the mcrypt extension should be used. - * - * $mode could be: - * - * - \phpseclib\Crypt\Base::MODE_ECB - * - * - \phpseclib\Crypt\Base::MODE_CBC - * - * - \phpseclib\Crypt\Base::MODE_CTR - * - * - \phpseclib\Crypt\Base::MODE_CFB - * - * - \phpseclib\Crypt\Base::MODE_OFB - * - * - \phpseclib\Crypt\TripleDES::MODE_3CBC - * - * If not explicitly set, \phpseclib\Crypt\Base::MODE_CBC will be used. - * - * @see \phpseclib\Crypt\DES::__construct() - * @see \phpseclib\Crypt\Base::__construct() - * @param int $mode - * @access public - */ - function __construct($mode = Base::MODE_CBC) - { - switch ($mode) { - // In case of self::MODE_3CBC, we init as CRYPT_DES_MODE_CBC - // and additional flag us internally as 3CBC - case self::MODE_3CBC: - parent::__construct(Base::MODE_CBC); - $this->mode_3cbc = true; - - // This three $des'es will do the 3CBC work (if $key > 64bits) - $this->des = array( - new DES(Base::MODE_CBC), - new DES(Base::MODE_CBC), - new DES(Base::MODE_CBC), - ); - - // we're going to be doing the padding, ourselves, so disable it in the \phpseclib\Crypt\DES objects - $this->des[0]->disablePadding(); - $this->des[1]->disablePadding(); - $this->des[2]->disablePadding(); - break; - // If not 3CBC, we init as usual - default: - parent::__construct($mode); - } - } - - /** - * Test for engine validity - * - * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Base::isValidEngine() - * - * @see \phpseclib\Crypt\Base::__construct() - * @param int $engine - * @access public - * @return bool - */ - function isValidEngine($engine) - { - if ($engine == self::ENGINE_OPENSSL) { - $this->cipher_name_openssl_ecb = 'des-ede3'; - $mode = $this->_openssl_translate_mode(); - $this->cipher_name_openssl = $mode == 'ecb' ? 'des-ede3' : 'des-ede3-' . $mode; - } - - return parent::isValidEngine($engine); - } - - /** - * Sets the initialization vector. (optional) - * - * SetIV is not required when \phpseclib\Crypt\Base::MODE_ECB is being used. If not explicitly set, it'll be assumed - * to be all zero's. - * - * @see \phpseclib\Crypt\Base::setIV() - * @access public - * @param string $iv - */ - function setIV($iv) - { - parent::setIV($iv); - if ($this->mode_3cbc) { - $this->des[0]->setIV($iv); - $this->des[1]->setIV($iv); - $this->des[2]->setIV($iv); - } - } - - /** - * Sets the key length. - * - * Valid key lengths are 64, 128 and 192 - * - * @see \phpseclib\Crypt\Base:setKeyLength() - * @access public - * @param int $length - */ - function setKeyLength($length) - { - $length >>= 3; - switch (true) { - case $length <= 8: - $this->key_length = 8; - break; - case $length <= 16: - $this->key_length = 16; - break; - default: - $this->key_length = 24; - } - - parent::setKeyLength($length); - } - - /** - * Sets the key. - * - * Keys can be of any length. Triple DES, itself, can use 128-bit (eg. strlen($key) == 16) or - * 192-bit (eg. strlen($key) == 24) keys. This function pads and truncates $key as appropriate. - * - * DES also requires that every eighth bit be a parity bit, however, we'll ignore that. - * - * If the key is not explicitly set, it'll be assumed to be all null bytes. - * - * @access public - * @see \phpseclib\Crypt\DES::setKey() - * @see \phpseclib\Crypt\Base::setKey() - * @param string $key - */ - function setKey($key) - { - $length = $this->explicit_key_length ? $this->key_length : strlen($key); - if ($length > 8) { - $key = str_pad(substr($key, 0, 24), 24, chr(0)); - // if $key is between 64 and 128-bits, use the first 64-bits as the last, per this: - // http://php.net/function.mcrypt-encrypt#47973 - $key = $length <= 16 ? substr_replace($key, substr($key, 0, 8), 16) : substr($key, 0, 24); - } else { - $key = str_pad($key, 8, chr(0)); - } - parent::setKey($key); - - // And in case of self::MODE_3CBC: - // if key <= 64bits we not need the 3 $des to work, - // because we will then act as regular DES-CBC with just a <= 64bit key. - // So only if the key > 64bits (> 8 bytes) we will call setKey() for the 3 $des. - if ($this->mode_3cbc && $length > 8) { - $this->des[0]->setKey(substr($key, 0, 8)); - $this->des[1]->setKey(substr($key, 8, 8)); - $this->des[2]->setKey(substr($key, 16, 8)); - } - } - - /** - * Encrypts a message. - * - * @see \phpseclib\Crypt\Base::encrypt() - * @access public - * @param string $plaintext - * @return string $cipertext - */ - function encrypt($plaintext) - { - // parent::en/decrypt() is able to do all the work for all modes and keylengths, - // except for: self::MODE_3CBC (inner chaining CBC) with a key > 64bits - - // if the key is smaller then 8, do what we'd normally do - if ($this->mode_3cbc && strlen($this->key) > 8) { - return $this->des[2]->encrypt( - $this->des[1]->decrypt( - $this->des[0]->encrypt( - $this->_pad($plaintext) - ) - ) - ); - } - - return parent::encrypt($plaintext); - } - - /** - * Decrypts a message. - * - * @see \phpseclib\Crypt\Base::decrypt() - * @access public - * @param string $ciphertext - * @return string $plaintext - */ - function decrypt($ciphertext) - { - if ($this->mode_3cbc && strlen($this->key) > 8) { - return $this->_unpad( - $this->des[0]->decrypt( - $this->des[1]->encrypt( - $this->des[2]->decrypt( - str_pad($ciphertext, (strlen($ciphertext) + 7) & 0xFFFFFFF8, "\0") - ) - ) - ) - ); - } - - return parent::decrypt($ciphertext); - } - - /** - * Treat consecutive "packets" as if they are a continuous buffer. - * - * Say you have a 16-byte plaintext $plaintext. Using the default behavior, the two following code snippets - * will yield different outputs: - * - * - * echo $des->encrypt(substr($plaintext, 0, 8)); - * echo $des->encrypt(substr($plaintext, 8, 8)); - * - * - * echo $des->encrypt($plaintext); - * - * - * The solution is to enable the continuous buffer. Although this will resolve the above discrepancy, it creates - * another, as demonstrated with the following: - * - * - * $des->encrypt(substr($plaintext, 0, 8)); - * echo $des->decrypt($des->encrypt(substr($plaintext, 8, 8))); - * - * - * echo $des->decrypt($des->encrypt(substr($plaintext, 8, 8))); - * - * - * With the continuous buffer disabled, these would yield the same output. With it enabled, they yield different - * outputs. The reason is due to the fact that the initialization vector's change after every encryption / - * decryption round when the continuous buffer is enabled. When it's disabled, they remain constant. - * - * Put another way, when the continuous buffer is enabled, the state of the \phpseclib\Crypt\DES() object changes after each - * encryption / decryption round, whereas otherwise, it'd remain constant. For this reason, it's recommended that - * continuous buffers not be used. They do offer better security and are, in fact, sometimes required (SSH uses them), - * however, they are also less intuitive and more likely to cause you problems. - * - * @see \phpseclib\Crypt\Base::enableContinuousBuffer() - * @see self::disableContinuousBuffer() - * @access public - */ - function enableContinuousBuffer() - { - parent::enableContinuousBuffer(); - if ($this->mode_3cbc) { - $this->des[0]->enableContinuousBuffer(); - $this->des[1]->enableContinuousBuffer(); - $this->des[2]->enableContinuousBuffer(); - } - } - - /** - * Treat consecutive packets as if they are a discontinuous buffer. - * - * The default behavior. - * - * @see \phpseclib\Crypt\Base::disableContinuousBuffer() - * @see self::enableContinuousBuffer() - * @access public - */ - function disableContinuousBuffer() - { - parent::disableContinuousBuffer(); - if ($this->mode_3cbc) { - $this->des[0]->disableContinuousBuffer(); - $this->des[1]->disableContinuousBuffer(); - $this->des[2]->disableContinuousBuffer(); - } - } - - /** - * Creates the key schedule - * - * @see \phpseclib\Crypt\DES::_setupKey() - * @see \phpseclib\Crypt\Base::_setupKey() - * @access private - */ - function _setupKey() - { - switch (true) { - // if $key <= 64bits we configure our internal pure-php cipher engine - // to act as regular [1]DES, not as 3DES. mcrypt.so::tripledes does the same. - case strlen($this->key) <= 8: - $this->des_rounds = 1; - break; - - // otherwise, if $key > 64bits, we configure our engine to work as 3DES. - default: - $this->des_rounds = 3; - - // (only) if 3CBC is used we have, of course, to setup the $des[0-2] keys also separately. - if ($this->mode_3cbc) { - $this->des[0]->_setupKey(); - $this->des[1]->_setupKey(); - $this->des[2]->_setupKey(); - - // because $des[0-2] will, now, do all the work we can return here - // not need unnecessary stress parent::_setupKey() with our, now unused, $key. - return; - } - } - // setup our key - parent::_setupKey(); - } - - /** - * Sets the internal crypt engine - * - * @see \phpseclib\Crypt\Base::__construct() - * @see \phpseclib\Crypt\Base::setPreferredEngine() - * @param int $engine - * @access public - * @return int - */ - function setPreferredEngine($engine) - { - if ($this->mode_3cbc) { - $this->des[0]->setPreferredEngine($engine); - $this->des[1]->setPreferredEngine($engine); - $this->des[2]->setPreferredEngine($engine); - } - - return parent::setPreferredEngine($engine); - } -} diff --git a/lib/phpseclib/Crypt/Twofish.php b/lib/phpseclib/Crypt/Twofish.php deleted file mode 100644 index 70980a2ff1b..00000000000 --- a/lib/phpseclib/Crypt/Twofish.php +++ /dev/null @@ -1,816 +0,0 @@ - - * setKey('12345678901234567890123456789012'); - * - * $plaintext = str_repeat('a', 1024); - * - * echo $twofish->decrypt($twofish->encrypt($plaintext)); - * ?> - * - * - * @category Crypt - * @package Twofish - * @author Jim Wigginton - * @author Hans-Juergen Petrich - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -/** - * Pure-PHP implementation of Twofish. - * - * @package Twofish - * @author Jim Wigginton - * @author Hans-Juergen Petrich - * @access public - */ -class Twofish extends Base -{ - /** - * The mcrypt specific name of the cipher - * - * @see \phpseclib\Crypt\Base::cipher_name_mcrypt - * @var string - * @access private - */ - var $cipher_name_mcrypt = 'twofish'; - - /** - * Optimizing value while CFB-encrypting - * - * @see \phpseclib\Crypt\Base::cfb_init_len - * @var int - * @access private - */ - var $cfb_init_len = 800; - - /** - * Q-Table - * - * @var array - * @access private - */ - var $q0 = array( - 0xA9, 0x67, 0xB3, 0xE8, 0x04, 0xFD, 0xA3, 0x76, - 0x9A, 0x92, 0x80, 0x78, 0xE4, 0xDD, 0xD1, 0x38, - 0x0D, 0xC6, 0x35, 0x98, 0x18, 0xF7, 0xEC, 0x6C, - 0x43, 0x75, 0x37, 0x26, 0xFA, 0x13, 0x94, 0x48, - 0xF2, 0xD0, 0x8B, 0x30, 0x84, 0x54, 0xDF, 0x23, - 0x19, 0x5B, 0x3D, 0x59, 0xF3, 0xAE, 0xA2, 0x82, - 0x63, 0x01, 0x83, 0x2E, 0xD9, 0x51, 0x9B, 0x7C, - 0xA6, 0xEB, 0xA5, 0xBE, 0x16, 0x0C, 0xE3, 0x61, - 0xC0, 0x8C, 0x3A, 0xF5, 0x73, 0x2C, 0x25, 0x0B, - 0xBB, 0x4E, 0x89, 0x6B, 0x53, 0x6A, 0xB4, 0xF1, - 0xE1, 0xE6, 0xBD, 0x45, 0xE2, 0xF4, 0xB6, 0x66, - 0xCC, 0x95, 0x03, 0x56, 0xD4, 0x1C, 0x1E, 0xD7, - 0xFB, 0xC3, 0x8E, 0xB5, 0xE9, 0xCF, 0xBF, 0xBA, - 0xEA, 0x77, 0x39, 0xAF, 0x33, 0xC9, 0x62, 0x71, - 0x81, 0x79, 0x09, 0xAD, 0x24, 0xCD, 0xF9, 0xD8, - 0xE5, 0xC5, 0xB9, 0x4D, 0x44, 0x08, 0x86, 0xE7, - 0xA1, 0x1D, 0xAA, 0xED, 0x06, 0x70, 0xB2, 0xD2, - 0x41, 0x7B, 0xA0, 0x11, 0x31, 0xC2, 0x27, 0x90, - 0x20, 0xF6, 0x60, 0xFF, 0x96, 0x5C, 0xB1, 0xAB, - 0x9E, 0x9C, 0x52, 0x1B, 0x5F, 0x93, 0x0A, 0xEF, - 0x91, 0x85, 0x49, 0xEE, 0x2D, 0x4F, 0x8F, 0x3B, - 0x47, 0x87, 0x6D, 0x46, 0xD6, 0x3E, 0x69, 0x64, - 0x2A, 0xCE, 0xCB, 0x2F, 0xFC, 0x97, 0x05, 0x7A, - 0xAC, 0x7F, 0xD5, 0x1A, 0x4B, 0x0E, 0xA7, 0x5A, - 0x28, 0x14, 0x3F, 0x29, 0x88, 0x3C, 0x4C, 0x02, - 0xB8, 0xDA, 0xB0, 0x17, 0x55, 0x1F, 0x8A, 0x7D, - 0x57, 0xC7, 0x8D, 0x74, 0xB7, 0xC4, 0x9F, 0x72, - 0x7E, 0x15, 0x22, 0x12, 0x58, 0x07, 0x99, 0x34, - 0x6E, 0x50, 0xDE, 0x68, 0x65, 0xBC, 0xDB, 0xF8, - 0xC8, 0xA8, 0x2B, 0x40, 0xDC, 0xFE, 0x32, 0xA4, - 0xCA, 0x10, 0x21, 0xF0, 0xD3, 0x5D, 0x0F, 0x00, - 0x6F, 0x9D, 0x36, 0x42, 0x4A, 0x5E, 0xC1, 0xE0 - ); - - /** - * Q-Table - * - * @var array - * @access private - */ - var $q1 = array( - 0x75, 0xF3, 0xC6, 0xF4, 0xDB, 0x7B, 0xFB, 0xC8, - 0x4A, 0xD3, 0xE6, 0x6B, 0x45, 0x7D, 0xE8, 0x4B, - 0xD6, 0x32, 0xD8, 0xFD, 0x37, 0x71, 0xF1, 0xE1, - 0x30, 0x0F, 0xF8, 0x1B, 0x87, 0xFA, 0x06, 0x3F, - 0x5E, 0xBA, 0xAE, 0x5B, 0x8A, 0x00, 0xBC, 0x9D, - 0x6D, 0xC1, 0xB1, 0x0E, 0x80, 0x5D, 0xD2, 0xD5, - 0xA0, 0x84, 0x07, 0x14, 0xB5, 0x90, 0x2C, 0xA3, - 0xB2, 0x73, 0x4C, 0x54, 0x92, 0x74, 0x36, 0x51, - 0x38, 0xB0, 0xBD, 0x5A, 0xFC, 0x60, 0x62, 0x96, - 0x6C, 0x42, 0xF7, 0x10, 0x7C, 0x28, 0x27, 0x8C, - 0x13, 0x95, 0x9C, 0xC7, 0x24, 0x46, 0x3B, 0x70, - 0xCA, 0xE3, 0x85, 0xCB, 0x11, 0xD0, 0x93, 0xB8, - 0xA6, 0x83, 0x20, 0xFF, 0x9F, 0x77, 0xC3, 0xCC, - 0x03, 0x6F, 0x08, 0xBF, 0x40, 0xE7, 0x2B, 0xE2, - 0x79, 0x0C, 0xAA, 0x82, 0x41, 0x3A, 0xEA, 0xB9, - 0xE4, 0x9A, 0xA4, 0x97, 0x7E, 0xDA, 0x7A, 0x17, - 0x66, 0x94, 0xA1, 0x1D, 0x3D, 0xF0, 0xDE, 0xB3, - 0x0B, 0x72, 0xA7, 0x1C, 0xEF, 0xD1, 0x53, 0x3E, - 0x8F, 0x33, 0x26, 0x5F, 0xEC, 0x76, 0x2A, 0x49, - 0x81, 0x88, 0xEE, 0x21, 0xC4, 0x1A, 0xEB, 0xD9, - 0xC5, 0x39, 0x99, 0xCD, 0xAD, 0x31, 0x8B, 0x01, - 0x18, 0x23, 0xDD, 0x1F, 0x4E, 0x2D, 0xF9, 0x48, - 0x4F, 0xF2, 0x65, 0x8E, 0x78, 0x5C, 0x58, 0x19, - 0x8D, 0xE5, 0x98, 0x57, 0x67, 0x7F, 0x05, 0x64, - 0xAF, 0x63, 0xB6, 0xFE, 0xF5, 0xB7, 0x3C, 0xA5, - 0xCE, 0xE9, 0x68, 0x44, 0xE0, 0x4D, 0x43, 0x69, - 0x29, 0x2E, 0xAC, 0x15, 0x59, 0xA8, 0x0A, 0x9E, - 0x6E, 0x47, 0xDF, 0x34, 0x35, 0x6A, 0xCF, 0xDC, - 0x22, 0xC9, 0xC0, 0x9B, 0x89, 0xD4, 0xED, 0xAB, - 0x12, 0xA2, 0x0D, 0x52, 0xBB, 0x02, 0x2F, 0xA9, - 0xD7, 0x61, 0x1E, 0xB4, 0x50, 0x04, 0xF6, 0xC2, - 0x16, 0x25, 0x86, 0x56, 0x55, 0x09, 0xBE, 0x91 - ); - - /** - * M-Table - * - * @var array - * @access private - */ - var $m0 = array( - 0xBCBC3275, 0xECEC21F3, 0x202043C6, 0xB3B3C9F4, 0xDADA03DB, 0x02028B7B, 0xE2E22BFB, 0x9E9EFAC8, - 0xC9C9EC4A, 0xD4D409D3, 0x18186BE6, 0x1E1E9F6B, 0x98980E45, 0xB2B2387D, 0xA6A6D2E8, 0x2626B74B, - 0x3C3C57D6, 0x93938A32, 0x8282EED8, 0x525298FD, 0x7B7BD437, 0xBBBB3771, 0x5B5B97F1, 0x474783E1, - 0x24243C30, 0x5151E20F, 0xBABAC6F8, 0x4A4AF31B, 0xBFBF4887, 0x0D0D70FA, 0xB0B0B306, 0x7575DE3F, - 0xD2D2FD5E, 0x7D7D20BA, 0x666631AE, 0x3A3AA35B, 0x59591C8A, 0x00000000, 0xCDCD93BC, 0x1A1AE09D, - 0xAEAE2C6D, 0x7F7FABC1, 0x2B2BC7B1, 0xBEBEB90E, 0xE0E0A080, 0x8A8A105D, 0x3B3B52D2, 0x6464BAD5, - 0xD8D888A0, 0xE7E7A584, 0x5F5FE807, 0x1B1B1114, 0x2C2CC2B5, 0xFCFCB490, 0x3131272C, 0x808065A3, - 0x73732AB2, 0x0C0C8173, 0x79795F4C, 0x6B6B4154, 0x4B4B0292, 0x53536974, 0x94948F36, 0x83831F51, - 0x2A2A3638, 0xC4C49CB0, 0x2222C8BD, 0xD5D5F85A, 0xBDBDC3FC, 0x48487860, 0xFFFFCE62, 0x4C4C0796, - 0x4141776C, 0xC7C7E642, 0xEBEB24F7, 0x1C1C1410, 0x5D5D637C, 0x36362228, 0x6767C027, 0xE9E9AF8C, - 0x4444F913, 0x1414EA95, 0xF5F5BB9C, 0xCFCF18C7, 0x3F3F2D24, 0xC0C0E346, 0x7272DB3B, 0x54546C70, - 0x29294CCA, 0xF0F035E3, 0x0808FE85, 0xC6C617CB, 0xF3F34F11, 0x8C8CE4D0, 0xA4A45993, 0xCACA96B8, - 0x68683BA6, 0xB8B84D83, 0x38382820, 0xE5E52EFF, 0xADAD569F, 0x0B0B8477, 0xC8C81DC3, 0x9999FFCC, - 0x5858ED03, 0x19199A6F, 0x0E0E0A08, 0x95957EBF, 0x70705040, 0xF7F730E7, 0x6E6ECF2B, 0x1F1F6EE2, - 0xB5B53D79, 0x09090F0C, 0x616134AA, 0x57571682, 0x9F9F0B41, 0x9D9D803A, 0x111164EA, 0x2525CDB9, - 0xAFAFDDE4, 0x4545089A, 0xDFDF8DA4, 0xA3A35C97, 0xEAEAD57E, 0x353558DA, 0xEDEDD07A, 0x4343FC17, - 0xF8F8CB66, 0xFBFBB194, 0x3737D3A1, 0xFAFA401D, 0xC2C2683D, 0xB4B4CCF0, 0x32325DDE, 0x9C9C71B3, - 0x5656E70B, 0xE3E3DA72, 0x878760A7, 0x15151B1C, 0xF9F93AEF, 0x6363BFD1, 0x3434A953, 0x9A9A853E, - 0xB1B1428F, 0x7C7CD133, 0x88889B26, 0x3D3DA65F, 0xA1A1D7EC, 0xE4E4DF76, 0x8181942A, 0x91910149, - 0x0F0FFB81, 0xEEEEAA88, 0x161661EE, 0xD7D77321, 0x9797F5C4, 0xA5A5A81A, 0xFEFE3FEB, 0x6D6DB5D9, - 0x7878AEC5, 0xC5C56D39, 0x1D1DE599, 0x7676A4CD, 0x3E3EDCAD, 0xCBCB6731, 0xB6B6478B, 0xEFEF5B01, - 0x12121E18, 0x6060C523, 0x6A6AB0DD, 0x4D4DF61F, 0xCECEE94E, 0xDEDE7C2D, 0x55559DF9, 0x7E7E5A48, - 0x2121B24F, 0x03037AF2, 0xA0A02665, 0x5E5E198E, 0x5A5A6678, 0x65654B5C, 0x62624E58, 0xFDFD4519, - 0x0606F48D, 0x404086E5, 0xF2F2BE98, 0x3333AC57, 0x17179067, 0x05058E7F, 0xE8E85E05, 0x4F4F7D64, - 0x89896AAF, 0x10109563, 0x74742FB6, 0x0A0A75FE, 0x5C5C92F5, 0x9B9B74B7, 0x2D2D333C, 0x3030D6A5, - 0x2E2E49CE, 0x494989E9, 0x46467268, 0x77775544, 0xA8A8D8E0, 0x9696044D, 0x2828BD43, 0xA9A92969, - 0xD9D97929, 0x8686912E, 0xD1D187AC, 0xF4F44A15, 0x8D8D1559, 0xD6D682A8, 0xB9B9BC0A, 0x42420D9E, - 0xF6F6C16E, 0x2F2FB847, 0xDDDD06DF, 0x23233934, 0xCCCC6235, 0xF1F1C46A, 0xC1C112CF, 0x8585EBDC, - 0x8F8F9E22, 0x7171A1C9, 0x9090F0C0, 0xAAAA539B, 0x0101F189, 0x8B8BE1D4, 0x4E4E8CED, 0x8E8E6FAB, - 0xABABA212, 0x6F6F3EA2, 0xE6E6540D, 0xDBDBF252, 0x92927BBB, 0xB7B7B602, 0x6969CA2F, 0x3939D9A9, - 0xD3D30CD7, 0xA7A72361, 0xA2A2AD1E, 0xC3C399B4, 0x6C6C4450, 0x07070504, 0x04047FF6, 0x272746C2, - 0xACACA716, 0xD0D07625, 0x50501386, 0xDCDCF756, 0x84841A55, 0xE1E15109, 0x7A7A25BE, 0x1313EF91 - ); - - /** - * M-Table - * - * @var array - * @access private - */ - var $m1 = array( - 0xA9D93939, 0x67901717, 0xB3719C9C, 0xE8D2A6A6, 0x04050707, 0xFD985252, 0xA3658080, 0x76DFE4E4, - 0x9A084545, 0x92024B4B, 0x80A0E0E0, 0x78665A5A, 0xE4DDAFAF, 0xDDB06A6A, 0xD1BF6363, 0x38362A2A, - 0x0D54E6E6, 0xC6432020, 0x3562CCCC, 0x98BEF2F2, 0x181E1212, 0xF724EBEB, 0xECD7A1A1, 0x6C774141, - 0x43BD2828, 0x7532BCBC, 0x37D47B7B, 0x269B8888, 0xFA700D0D, 0x13F94444, 0x94B1FBFB, 0x485A7E7E, - 0xF27A0303, 0xD0E48C8C, 0x8B47B6B6, 0x303C2424, 0x84A5E7E7, 0x54416B6B, 0xDF06DDDD, 0x23C56060, - 0x1945FDFD, 0x5BA33A3A, 0x3D68C2C2, 0x59158D8D, 0xF321ECEC, 0xAE316666, 0xA23E6F6F, 0x82165757, - 0x63951010, 0x015BEFEF, 0x834DB8B8, 0x2E918686, 0xD9B56D6D, 0x511F8383, 0x9B53AAAA, 0x7C635D5D, - 0xA63B6868, 0xEB3FFEFE, 0xA5D63030, 0xBE257A7A, 0x16A7ACAC, 0x0C0F0909, 0xE335F0F0, 0x6123A7A7, - 0xC0F09090, 0x8CAFE9E9, 0x3A809D9D, 0xF5925C5C, 0x73810C0C, 0x2C273131, 0x2576D0D0, 0x0BE75656, - 0xBB7B9292, 0x4EE9CECE, 0x89F10101, 0x6B9F1E1E, 0x53A93434, 0x6AC4F1F1, 0xB499C3C3, 0xF1975B5B, - 0xE1834747, 0xE66B1818, 0xBDC82222, 0x450E9898, 0xE26E1F1F, 0xF4C9B3B3, 0xB62F7474, 0x66CBF8F8, - 0xCCFF9999, 0x95EA1414, 0x03ED5858, 0x56F7DCDC, 0xD4E18B8B, 0x1C1B1515, 0x1EADA2A2, 0xD70CD3D3, - 0xFB2BE2E2, 0xC31DC8C8, 0x8E195E5E, 0xB5C22C2C, 0xE9894949, 0xCF12C1C1, 0xBF7E9595, 0xBA207D7D, - 0xEA641111, 0x77840B0B, 0x396DC5C5, 0xAF6A8989, 0x33D17C7C, 0xC9A17171, 0x62CEFFFF, 0x7137BBBB, - 0x81FB0F0F, 0x793DB5B5, 0x0951E1E1, 0xADDC3E3E, 0x242D3F3F, 0xCDA47676, 0xF99D5555, 0xD8EE8282, - 0xE5864040, 0xC5AE7878, 0xB9CD2525, 0x4D049696, 0x44557777, 0x080A0E0E, 0x86135050, 0xE730F7F7, - 0xA1D33737, 0x1D40FAFA, 0xAA346161, 0xED8C4E4E, 0x06B3B0B0, 0x706C5454, 0xB22A7373, 0xD2523B3B, - 0x410B9F9F, 0x7B8B0202, 0xA088D8D8, 0x114FF3F3, 0x3167CBCB, 0xC2462727, 0x27C06767, 0x90B4FCFC, - 0x20283838, 0xF67F0404, 0x60784848, 0xFF2EE5E5, 0x96074C4C, 0x5C4B6565, 0xB1C72B2B, 0xAB6F8E8E, - 0x9E0D4242, 0x9CBBF5F5, 0x52F2DBDB, 0x1BF34A4A, 0x5FA63D3D, 0x9359A4A4, 0x0ABCB9B9, 0xEF3AF9F9, - 0x91EF1313, 0x85FE0808, 0x49019191, 0xEE611616, 0x2D7CDEDE, 0x4FB22121, 0x8F42B1B1, 0x3BDB7272, - 0x47B82F2F, 0x8748BFBF, 0x6D2CAEAE, 0x46E3C0C0, 0xD6573C3C, 0x3E859A9A, 0x6929A9A9, 0x647D4F4F, - 0x2A948181, 0xCE492E2E, 0xCB17C6C6, 0x2FCA6969, 0xFCC3BDBD, 0x975CA3A3, 0x055EE8E8, 0x7AD0EDED, - 0xAC87D1D1, 0x7F8E0505, 0xD5BA6464, 0x1AA8A5A5, 0x4BB72626, 0x0EB9BEBE, 0xA7608787, 0x5AF8D5D5, - 0x28223636, 0x14111B1B, 0x3FDE7575, 0x2979D9D9, 0x88AAEEEE, 0x3C332D2D, 0x4C5F7979, 0x02B6B7B7, - 0xB896CACA, 0xDA583535, 0xB09CC4C4, 0x17FC4343, 0x551A8484, 0x1FF64D4D, 0x8A1C5959, 0x7D38B2B2, - 0x57AC3333, 0xC718CFCF, 0x8DF40606, 0x74695353, 0xB7749B9B, 0xC4F59797, 0x9F56ADAD, 0x72DAE3E3, - 0x7ED5EAEA, 0x154AF4F4, 0x229E8F8F, 0x12A2ABAB, 0x584E6262, 0x07E85F5F, 0x99E51D1D, 0x34392323, - 0x6EC1F6F6, 0x50446C6C, 0xDE5D3232, 0x68724646, 0x6526A0A0, 0xBC93CDCD, 0xDB03DADA, 0xF8C6BABA, - 0xC8FA9E9E, 0xA882D6D6, 0x2BCF6E6E, 0x40507070, 0xDCEB8585, 0xFE750A0A, 0x328A9393, 0xA48DDFDF, - 0xCA4C2929, 0x10141C1C, 0x2173D7D7, 0xF0CCB4B4, 0xD309D4D4, 0x5D108A8A, 0x0FE25151, 0x00000000, - 0x6F9A1919, 0x9DE01A1A, 0x368F9494, 0x42E6C7C7, 0x4AECC9C9, 0x5EFDD2D2, 0xC1AB7F7F, 0xE0D8A8A8 - ); - - /** - * M-Table - * - * @var array - * @access private - */ - var $m2 = array( - 0xBC75BC32, 0xECF3EC21, 0x20C62043, 0xB3F4B3C9, 0xDADBDA03, 0x027B028B, 0xE2FBE22B, 0x9EC89EFA, - 0xC94AC9EC, 0xD4D3D409, 0x18E6186B, 0x1E6B1E9F, 0x9845980E, 0xB27DB238, 0xA6E8A6D2, 0x264B26B7, - 0x3CD63C57, 0x9332938A, 0x82D882EE, 0x52FD5298, 0x7B377BD4, 0xBB71BB37, 0x5BF15B97, 0x47E14783, - 0x2430243C, 0x510F51E2, 0xBAF8BAC6, 0x4A1B4AF3, 0xBF87BF48, 0x0DFA0D70, 0xB006B0B3, 0x753F75DE, - 0xD25ED2FD, 0x7DBA7D20, 0x66AE6631, 0x3A5B3AA3, 0x598A591C, 0x00000000, 0xCDBCCD93, 0x1A9D1AE0, - 0xAE6DAE2C, 0x7FC17FAB, 0x2BB12BC7, 0xBE0EBEB9, 0xE080E0A0, 0x8A5D8A10, 0x3BD23B52, 0x64D564BA, - 0xD8A0D888, 0xE784E7A5, 0x5F075FE8, 0x1B141B11, 0x2CB52CC2, 0xFC90FCB4, 0x312C3127, 0x80A38065, - 0x73B2732A, 0x0C730C81, 0x794C795F, 0x6B546B41, 0x4B924B02, 0x53745369, 0x9436948F, 0x8351831F, - 0x2A382A36, 0xC4B0C49C, 0x22BD22C8, 0xD55AD5F8, 0xBDFCBDC3, 0x48604878, 0xFF62FFCE, 0x4C964C07, - 0x416C4177, 0xC742C7E6, 0xEBF7EB24, 0x1C101C14, 0x5D7C5D63, 0x36283622, 0x672767C0, 0xE98CE9AF, - 0x441344F9, 0x149514EA, 0xF59CF5BB, 0xCFC7CF18, 0x3F243F2D, 0xC046C0E3, 0x723B72DB, 0x5470546C, - 0x29CA294C, 0xF0E3F035, 0x088508FE, 0xC6CBC617, 0xF311F34F, 0x8CD08CE4, 0xA493A459, 0xCAB8CA96, - 0x68A6683B, 0xB883B84D, 0x38203828, 0xE5FFE52E, 0xAD9FAD56, 0x0B770B84, 0xC8C3C81D, 0x99CC99FF, - 0x580358ED, 0x196F199A, 0x0E080E0A, 0x95BF957E, 0x70407050, 0xF7E7F730, 0x6E2B6ECF, 0x1FE21F6E, - 0xB579B53D, 0x090C090F, 0x61AA6134, 0x57825716, 0x9F419F0B, 0x9D3A9D80, 0x11EA1164, 0x25B925CD, - 0xAFE4AFDD, 0x459A4508, 0xDFA4DF8D, 0xA397A35C, 0xEA7EEAD5, 0x35DA3558, 0xED7AEDD0, 0x431743FC, - 0xF866F8CB, 0xFB94FBB1, 0x37A137D3, 0xFA1DFA40, 0xC23DC268, 0xB4F0B4CC, 0x32DE325D, 0x9CB39C71, - 0x560B56E7, 0xE372E3DA, 0x87A78760, 0x151C151B, 0xF9EFF93A, 0x63D163BF, 0x345334A9, 0x9A3E9A85, - 0xB18FB142, 0x7C337CD1, 0x8826889B, 0x3D5F3DA6, 0xA1ECA1D7, 0xE476E4DF, 0x812A8194, 0x91499101, - 0x0F810FFB, 0xEE88EEAA, 0x16EE1661, 0xD721D773, 0x97C497F5, 0xA51AA5A8, 0xFEEBFE3F, 0x6DD96DB5, - 0x78C578AE, 0xC539C56D, 0x1D991DE5, 0x76CD76A4, 0x3EAD3EDC, 0xCB31CB67, 0xB68BB647, 0xEF01EF5B, - 0x1218121E, 0x602360C5, 0x6ADD6AB0, 0x4D1F4DF6, 0xCE4ECEE9, 0xDE2DDE7C, 0x55F9559D, 0x7E487E5A, - 0x214F21B2, 0x03F2037A, 0xA065A026, 0x5E8E5E19, 0x5A785A66, 0x655C654B, 0x6258624E, 0xFD19FD45, - 0x068D06F4, 0x40E54086, 0xF298F2BE, 0x335733AC, 0x17671790, 0x057F058E, 0xE805E85E, 0x4F644F7D, - 0x89AF896A, 0x10631095, 0x74B6742F, 0x0AFE0A75, 0x5CF55C92, 0x9BB79B74, 0x2D3C2D33, 0x30A530D6, - 0x2ECE2E49, 0x49E94989, 0x46684672, 0x77447755, 0xA8E0A8D8, 0x964D9604, 0x284328BD, 0xA969A929, - 0xD929D979, 0x862E8691, 0xD1ACD187, 0xF415F44A, 0x8D598D15, 0xD6A8D682, 0xB90AB9BC, 0x429E420D, - 0xF66EF6C1, 0x2F472FB8, 0xDDDFDD06, 0x23342339, 0xCC35CC62, 0xF16AF1C4, 0xC1CFC112, 0x85DC85EB, - 0x8F228F9E, 0x71C971A1, 0x90C090F0, 0xAA9BAA53, 0x018901F1, 0x8BD48BE1, 0x4EED4E8C, 0x8EAB8E6F, - 0xAB12ABA2, 0x6FA26F3E, 0xE60DE654, 0xDB52DBF2, 0x92BB927B, 0xB702B7B6, 0x692F69CA, 0x39A939D9, - 0xD3D7D30C, 0xA761A723, 0xA21EA2AD, 0xC3B4C399, 0x6C506C44, 0x07040705, 0x04F6047F, 0x27C22746, - 0xAC16ACA7, 0xD025D076, 0x50865013, 0xDC56DCF7, 0x8455841A, 0xE109E151, 0x7ABE7A25, 0x139113EF - ); - - /** - * M-Table - * - * @var array - * @access private - */ - var $m3 = array( - 0xD939A9D9, 0x90176790, 0x719CB371, 0xD2A6E8D2, 0x05070405, 0x9852FD98, 0x6580A365, 0xDFE476DF, - 0x08459A08, 0x024B9202, 0xA0E080A0, 0x665A7866, 0xDDAFE4DD, 0xB06ADDB0, 0xBF63D1BF, 0x362A3836, - 0x54E60D54, 0x4320C643, 0x62CC3562, 0xBEF298BE, 0x1E12181E, 0x24EBF724, 0xD7A1ECD7, 0x77416C77, - 0xBD2843BD, 0x32BC7532, 0xD47B37D4, 0x9B88269B, 0x700DFA70, 0xF94413F9, 0xB1FB94B1, 0x5A7E485A, - 0x7A03F27A, 0xE48CD0E4, 0x47B68B47, 0x3C24303C, 0xA5E784A5, 0x416B5441, 0x06DDDF06, 0xC56023C5, - 0x45FD1945, 0xA33A5BA3, 0x68C23D68, 0x158D5915, 0x21ECF321, 0x3166AE31, 0x3E6FA23E, 0x16578216, - 0x95106395, 0x5BEF015B, 0x4DB8834D, 0x91862E91, 0xB56DD9B5, 0x1F83511F, 0x53AA9B53, 0x635D7C63, - 0x3B68A63B, 0x3FFEEB3F, 0xD630A5D6, 0x257ABE25, 0xA7AC16A7, 0x0F090C0F, 0x35F0E335, 0x23A76123, - 0xF090C0F0, 0xAFE98CAF, 0x809D3A80, 0x925CF592, 0x810C7381, 0x27312C27, 0x76D02576, 0xE7560BE7, - 0x7B92BB7B, 0xE9CE4EE9, 0xF10189F1, 0x9F1E6B9F, 0xA93453A9, 0xC4F16AC4, 0x99C3B499, 0x975BF197, - 0x8347E183, 0x6B18E66B, 0xC822BDC8, 0x0E98450E, 0x6E1FE26E, 0xC9B3F4C9, 0x2F74B62F, 0xCBF866CB, - 0xFF99CCFF, 0xEA1495EA, 0xED5803ED, 0xF7DC56F7, 0xE18BD4E1, 0x1B151C1B, 0xADA21EAD, 0x0CD3D70C, - 0x2BE2FB2B, 0x1DC8C31D, 0x195E8E19, 0xC22CB5C2, 0x8949E989, 0x12C1CF12, 0x7E95BF7E, 0x207DBA20, - 0x6411EA64, 0x840B7784, 0x6DC5396D, 0x6A89AF6A, 0xD17C33D1, 0xA171C9A1, 0xCEFF62CE, 0x37BB7137, - 0xFB0F81FB, 0x3DB5793D, 0x51E10951, 0xDC3EADDC, 0x2D3F242D, 0xA476CDA4, 0x9D55F99D, 0xEE82D8EE, - 0x8640E586, 0xAE78C5AE, 0xCD25B9CD, 0x04964D04, 0x55774455, 0x0A0E080A, 0x13508613, 0x30F7E730, - 0xD337A1D3, 0x40FA1D40, 0x3461AA34, 0x8C4EED8C, 0xB3B006B3, 0x6C54706C, 0x2A73B22A, 0x523BD252, - 0x0B9F410B, 0x8B027B8B, 0x88D8A088, 0x4FF3114F, 0x67CB3167, 0x4627C246, 0xC06727C0, 0xB4FC90B4, - 0x28382028, 0x7F04F67F, 0x78486078, 0x2EE5FF2E, 0x074C9607, 0x4B655C4B, 0xC72BB1C7, 0x6F8EAB6F, - 0x0D429E0D, 0xBBF59CBB, 0xF2DB52F2, 0xF34A1BF3, 0xA63D5FA6, 0x59A49359, 0xBCB90ABC, 0x3AF9EF3A, - 0xEF1391EF, 0xFE0885FE, 0x01914901, 0x6116EE61, 0x7CDE2D7C, 0xB2214FB2, 0x42B18F42, 0xDB723BDB, - 0xB82F47B8, 0x48BF8748, 0x2CAE6D2C, 0xE3C046E3, 0x573CD657, 0x859A3E85, 0x29A96929, 0x7D4F647D, - 0x94812A94, 0x492ECE49, 0x17C6CB17, 0xCA692FCA, 0xC3BDFCC3, 0x5CA3975C, 0x5EE8055E, 0xD0ED7AD0, - 0x87D1AC87, 0x8E057F8E, 0xBA64D5BA, 0xA8A51AA8, 0xB7264BB7, 0xB9BE0EB9, 0x6087A760, 0xF8D55AF8, - 0x22362822, 0x111B1411, 0xDE753FDE, 0x79D92979, 0xAAEE88AA, 0x332D3C33, 0x5F794C5F, 0xB6B702B6, - 0x96CAB896, 0x5835DA58, 0x9CC4B09C, 0xFC4317FC, 0x1A84551A, 0xF64D1FF6, 0x1C598A1C, 0x38B27D38, - 0xAC3357AC, 0x18CFC718, 0xF4068DF4, 0x69537469, 0x749BB774, 0xF597C4F5, 0x56AD9F56, 0xDAE372DA, - 0xD5EA7ED5, 0x4AF4154A, 0x9E8F229E, 0xA2AB12A2, 0x4E62584E, 0xE85F07E8, 0xE51D99E5, 0x39233439, - 0xC1F66EC1, 0x446C5044, 0x5D32DE5D, 0x72466872, 0x26A06526, 0x93CDBC93, 0x03DADB03, 0xC6BAF8C6, - 0xFA9EC8FA, 0x82D6A882, 0xCF6E2BCF, 0x50704050, 0xEB85DCEB, 0x750AFE75, 0x8A93328A, 0x8DDFA48D, - 0x4C29CA4C, 0x141C1014, 0x73D72173, 0xCCB4F0CC, 0x09D4D309, 0x108A5D10, 0xE2510FE2, 0x00000000, - 0x9A196F9A, 0xE01A9DE0, 0x8F94368F, 0xE6C742E6, 0xECC94AEC, 0xFDD25EFD, 0xAB7FC1AB, 0xD8A8E0D8 - ); - - /** - * The Key Schedule Array - * - * @var array - * @access private - */ - var $K = array(); - - /** - * The Key depended S-Table 0 - * - * @var array - * @access private - */ - var $S0 = array(); - - /** - * The Key depended S-Table 1 - * - * @var array - * @access private - */ - var $S1 = array(); - - /** - * The Key depended S-Table 2 - * - * @var array - * @access private - */ - var $S2 = array(); - - /** - * The Key depended S-Table 3 - * - * @var array - * @access private - */ - var $S3 = array(); - - /** - * Holds the last used key - * - * @var array - * @access private - */ - var $kl; - - /** - * The Key Length (in bytes) - * - * @see Crypt_Twofish::setKeyLength() - * @var int - * @access private - */ - var $key_length = 16; - - /** - * Sets the key length. - * - * Valid key lengths are 128, 192 or 256 bits - * - * @access public - * @param int $length - */ - function setKeyLength($length) - { - switch (true) { - case $length <= 128: - $this->key_length = 16; - break; - case $length <= 192: - $this->key_length = 24; - break; - default: - $this->key_length = 32; - } - - parent::setKeyLength($length); - } - - /** - * Setup the key (expansion) - * - * @see \phpseclib\Crypt\Base::_setupKey() - * @access private - */ - function _setupKey() - { - if (isset($this->kl['key']) && $this->key === $this->kl['key']) { - // already expanded - return; - } - $this->kl = array('key' => $this->key); - - /* Key expanding and generating the key-depended s-boxes */ - $le_longs = unpack('V*', $this->key); - $key = unpack('C*', $this->key); - $m0 = $this->m0; - $m1 = $this->m1; - $m2 = $this->m2; - $m3 = $this->m3; - $q0 = $this->q0; - $q1 = $this->q1; - - $K = $S0 = $S1 = $S2 = $S3 = array(); - - switch (strlen($this->key)) { - case 16: - list($s7, $s6, $s5, $s4) = $this->_mdsrem($le_longs[1], $le_longs[2]); - list($s3, $s2, $s1, $s0) = $this->_mdsrem($le_longs[3], $le_longs[4]); - for ($i = 0, $j = 1; $i < 40; $i+= 2, $j+= 2) { - $A = $m0[$q0[$q0[$i] ^ $key[ 9]] ^ $key[1]] ^ - $m1[$q0[$q1[$i] ^ $key[10]] ^ $key[2]] ^ - $m2[$q1[$q0[$i] ^ $key[11]] ^ $key[3]] ^ - $m3[$q1[$q1[$i] ^ $key[12]] ^ $key[4]]; - $B = $m0[$q0[$q0[$j] ^ $key[13]] ^ $key[5]] ^ - $m1[$q0[$q1[$j] ^ $key[14]] ^ $key[6]] ^ - $m2[$q1[$q0[$j] ^ $key[15]] ^ $key[7]] ^ - $m3[$q1[$q1[$j] ^ $key[16]] ^ $key[8]]; - $B = ($B << 8) | ($B >> 24 & 0xff); - $A = $this->safe_intval($A + $B); - $K[] = $A; - $A = $this->safe_intval($A + $B); - $K[] = ($A << 9 | $A >> 23 & 0x1ff); - } - for ($i = 0; $i < 256; ++$i) { - $S0[$i] = $m0[$q0[$q0[$i] ^ $s4] ^ $s0]; - $S1[$i] = $m1[$q0[$q1[$i] ^ $s5] ^ $s1]; - $S2[$i] = $m2[$q1[$q0[$i] ^ $s6] ^ $s2]; - $S3[$i] = $m3[$q1[$q1[$i] ^ $s7] ^ $s3]; - } - break; - case 24: - list($sb, $sa, $s9, $s8) = $this->_mdsrem($le_longs[1], $le_longs[2]); - list($s7, $s6, $s5, $s4) = $this->_mdsrem($le_longs[3], $le_longs[4]); - list($s3, $s2, $s1, $s0) = $this->_mdsrem($le_longs[5], $le_longs[6]); - for ($i = 0, $j = 1; $i < 40; $i+= 2, $j+= 2) { - $A = $m0[$q0[$q0[$q1[$i] ^ $key[17]] ^ $key[ 9]] ^ $key[1]] ^ - $m1[$q0[$q1[$q1[$i] ^ $key[18]] ^ $key[10]] ^ $key[2]] ^ - $m2[$q1[$q0[$q0[$i] ^ $key[19]] ^ $key[11]] ^ $key[3]] ^ - $m3[$q1[$q1[$q0[$i] ^ $key[20]] ^ $key[12]] ^ $key[4]]; - $B = $m0[$q0[$q0[$q1[$j] ^ $key[21]] ^ $key[13]] ^ $key[5]] ^ - $m1[$q0[$q1[$q1[$j] ^ $key[22]] ^ $key[14]] ^ $key[6]] ^ - $m2[$q1[$q0[$q0[$j] ^ $key[23]] ^ $key[15]] ^ $key[7]] ^ - $m3[$q1[$q1[$q0[$j] ^ $key[24]] ^ $key[16]] ^ $key[8]]; - $B = ($B << 8) | ($B >> 24 & 0xff); - $A = $this->safe_intval($A + $B); - $K[] = $A; - $A = $this->safe_intval($A + $B); - $K[] = ($A << 9 | $A >> 23 & 0x1ff); - } - for ($i = 0; $i < 256; ++$i) { - $S0[$i] = $m0[$q0[$q0[$q1[$i] ^ $s8] ^ $s4] ^ $s0]; - $S1[$i] = $m1[$q0[$q1[$q1[$i] ^ $s9] ^ $s5] ^ $s1]; - $S2[$i] = $m2[$q1[$q0[$q0[$i] ^ $sa] ^ $s6] ^ $s2]; - $S3[$i] = $m3[$q1[$q1[$q0[$i] ^ $sb] ^ $s7] ^ $s3]; - } - break; - default: // 32 - list($sf, $se, $sd, $sc) = $this->_mdsrem($le_longs[1], $le_longs[2]); - list($sb, $sa, $s9, $s8) = $this->_mdsrem($le_longs[3], $le_longs[4]); - list($s7, $s6, $s5, $s4) = $this->_mdsrem($le_longs[5], $le_longs[6]); - list($s3, $s2, $s1, $s0) = $this->_mdsrem($le_longs[7], $le_longs[8]); - for ($i = 0, $j = 1; $i < 40; $i+= 2, $j+= 2) { - $A = $m0[$q0[$q0[$q1[$q1[$i] ^ $key[25]] ^ $key[17]] ^ $key[ 9]] ^ $key[1]] ^ - $m1[$q0[$q1[$q1[$q0[$i] ^ $key[26]] ^ $key[18]] ^ $key[10]] ^ $key[2]] ^ - $m2[$q1[$q0[$q0[$q0[$i] ^ $key[27]] ^ $key[19]] ^ $key[11]] ^ $key[3]] ^ - $m3[$q1[$q1[$q0[$q1[$i] ^ $key[28]] ^ $key[20]] ^ $key[12]] ^ $key[4]]; - $B = $m0[$q0[$q0[$q1[$q1[$j] ^ $key[29]] ^ $key[21]] ^ $key[13]] ^ $key[5]] ^ - $m1[$q0[$q1[$q1[$q0[$j] ^ $key[30]] ^ $key[22]] ^ $key[14]] ^ $key[6]] ^ - $m2[$q1[$q0[$q0[$q0[$j] ^ $key[31]] ^ $key[23]] ^ $key[15]] ^ $key[7]] ^ - $m3[$q1[$q1[$q0[$q1[$j] ^ $key[32]] ^ $key[24]] ^ $key[16]] ^ $key[8]]; - $B = ($B << 8) | ($B >> 24 & 0xff); - $A = $this->safe_intval($A + $B); - $K[] = $A; - $A = $this->safe_intval($A + $B); - $K[] = ($A << 9 | $A >> 23 & 0x1ff); - } - for ($i = 0; $i < 256; ++$i) { - $S0[$i] = $m0[$q0[$q0[$q1[$q1[$i] ^ $sc] ^ $s8] ^ $s4] ^ $s0]; - $S1[$i] = $m1[$q0[$q1[$q1[$q0[$i] ^ $sd] ^ $s9] ^ $s5] ^ $s1]; - $S2[$i] = $m2[$q1[$q0[$q0[$q0[$i] ^ $se] ^ $sa] ^ $s6] ^ $s2]; - $S3[$i] = $m3[$q1[$q1[$q0[$q1[$i] ^ $sf] ^ $sb] ^ $s7] ^ $s3]; - } - } - - $this->K = $K; - $this->S0 = $S0; - $this->S1 = $S1; - $this->S2 = $S2; - $this->S3 = $S3; - } - - /** - * _mdsrem function using by the twofish cipher algorithm - * - * @access private - * @param string $A - * @param string $B - * @return array - */ - function _mdsrem($A, $B) - { - // No gain by unrolling this loop. - for ($i = 0; $i < 8; ++$i) { - // Get most significant coefficient. - $t = 0xff & ($B >> 24); - - // Shift the others up. - $B = ($B << 8) | (0xff & ($A >> 24)); - $A<<= 8; - - $u = $t << 1; - - // Subtract the modular polynomial on overflow. - if ($t & 0x80) { - $u^= 0x14d; - } - - // Remove t * (a * x^2 + 1). - $B ^= $t ^ ($u << 16); - - // Form u = a*t + t/a = t*(a + 1/a). - $u^= 0x7fffffff & ($t >> 1); - - // Add the modular polynomial on underflow. - if ($t & 0x01) { - $u^= 0xa6 ; - } - - // Remove t * (a + 1/a) * (x^3 + x). - $B^= ($u << 24) | ($u << 8); - } - - return array( - 0xff & $B >> 24, - 0xff & $B >> 16, - 0xff & $B >> 8, - 0xff & $B); - } - - /** - * Encrypts a block - * - * @access private - * @param string $in - * @return string - */ - function _encryptBlock($in) - { - $S0 = $this->S0; - $S1 = $this->S1; - $S2 = $this->S2; - $S3 = $this->S3; - $K = $this->K; - - $in = unpack("V4", $in); - $R0 = $K[0] ^ $in[1]; - $R1 = $K[1] ^ $in[2]; - $R2 = $K[2] ^ $in[3]; - $R3 = $K[3] ^ $in[4]; - - $ki = 7; - while ($ki < 39) { - $t0 = $S0[ $R0 & 0xff] ^ - $S1[($R0 >> 8) & 0xff] ^ - $S2[($R0 >> 16) & 0xff] ^ - $S3[($R0 >> 24) & 0xff]; - $t1 = $S0[($R1 >> 24) & 0xff] ^ - $S1[ $R1 & 0xff] ^ - $S2[($R1 >> 8) & 0xff] ^ - $S3[($R1 >> 16) & 0xff]; - $R2^= $this->safe_intval($t0 + $t1 + $K[++$ki]); - $R2 = ($R2 >> 1 & 0x7fffffff) | ($R2 << 31); - $R3 = ((($R3 >> 31) & 1) | ($R3 << 1)) ^ $this->safe_intval($t0 + ($t1 << 1) + $K[++$ki]); - - $t0 = $S0[ $R2 & 0xff] ^ - $S1[($R2 >> 8) & 0xff] ^ - $S2[($R2 >> 16) & 0xff] ^ - $S3[($R2 >> 24) & 0xff]; - $t1 = $S0[($R3 >> 24) & 0xff] ^ - $S1[ $R3 & 0xff] ^ - $S2[($R3 >> 8) & 0xff] ^ - $S3[($R3 >> 16) & 0xff]; - $R0^= $this->safe_intval($t0 + $t1 + $K[++$ki]); - $R0 = ($R0 >> 1 & 0x7fffffff) | ($R0 << 31); - $R1 = ((($R1 >> 31) & 1) | ($R1 << 1)) ^ $this->safe_intval($t0 + ($t1 << 1) + $K[++$ki]); - } - - // @codingStandardsIgnoreStart - return pack("V4", $K[4] ^ $R2, - $K[5] ^ $R3, - $K[6] ^ $R0, - $K[7] ^ $R1); - // @codingStandardsIgnoreEnd - } - - /** - * Decrypts a block - * - * @access private - * @param string $in - * @return string - */ - function _decryptBlock($in) - { - $S0 = $this->S0; - $S1 = $this->S1; - $S2 = $this->S2; - $S3 = $this->S3; - $K = $this->K; - - $in = unpack("V4", $in); - $R0 = $K[4] ^ $in[1]; - $R1 = $K[5] ^ $in[2]; - $R2 = $K[6] ^ $in[3]; - $R3 = $K[7] ^ $in[4]; - - $ki = 40; - while ($ki > 8) { - $t0 = $S0[$R0 & 0xff] ^ - $S1[$R0 >> 8 & 0xff] ^ - $S2[$R0 >> 16 & 0xff] ^ - $S3[$R0 >> 24 & 0xff]; - $t1 = $S0[$R1 >> 24 & 0xff] ^ - $S1[$R1 & 0xff] ^ - $S2[$R1 >> 8 & 0xff] ^ - $S3[$R1 >> 16 & 0xff]; - $R3^= $this->safe_intval($t0 + ($t1 << 1) + $K[--$ki]); - $R3 = $R3 >> 1 & 0x7fffffff | $R3 << 31; - $R2 = ($R2 >> 31 & 0x1 | $R2 << 1) ^ $this->safe_intval($t0 + $t1 + $K[--$ki]); - - $t0 = $S0[$R2 & 0xff] ^ - $S1[$R2 >> 8 & 0xff] ^ - $S2[$R2 >> 16 & 0xff] ^ - $S3[$R2 >> 24 & 0xff]; - $t1 = $S0[$R3 >> 24 & 0xff] ^ - $S1[$R3 & 0xff] ^ - $S2[$R3 >> 8 & 0xff] ^ - $S3[$R3 >> 16 & 0xff]; - $R1^= $this->safe_intval($t0 + ($t1 << 1) + $K[--$ki]); - $R1 = $R1 >> 1 & 0x7fffffff | $R1 << 31; - $R0 = ($R0 >> 31 & 0x1 | $R0 << 1) ^ $this->safe_intval($t0 + $t1 + $K[--$ki]); - } - - // @codingStandardsIgnoreStart - return pack("V4", $K[0] ^ $R2, - $K[1] ^ $R3, - $K[2] ^ $R0, - $K[3] ^ $R1); - // @codingStandardsIgnoreEnd - } - - /** - * Setup the performance-optimized function for de/encrypt() - * - * @see \phpseclib\Crypt\Base::_setupInlineCrypt() - * @access private - */ - function _setupInlineCrypt() - { - $lambda_functions =& self::_getLambdaFunctions(); - - // Max. 10 Ultra-Hi-optimized inline-crypt functions. After that, we'll (still) create very fast code, but not the ultimate fast one. - // (Currently, for Crypt_Twofish, one generated $lambda_function cost on php5.5@32bit ~140kb unfreeable mem and ~240kb on php5.5@64bit) - $gen_hi_opt_code = (bool)(count($lambda_functions) < 10); - - // Generation of a unique hash for our generated code - $code_hash = "Crypt_Twofish, {$this->mode}"; - if ($gen_hi_opt_code) { - $code_hash = str_pad($code_hash, 32) . $this->_hashInlineCryptFunction($this->key); - } - - $safeint = $this->safe_intval_inline(); - - if (!isset($lambda_functions[$code_hash])) { - switch (true) { - case $gen_hi_opt_code: - $K = $this->K; - $init_crypt = ' - static $S0, $S1, $S2, $S3; - if (!$S0) { - for ($i = 0; $i < 256; ++$i) { - $S0[] = (int)$self->S0[$i]; - $S1[] = (int)$self->S1[$i]; - $S2[] = (int)$self->S2[$i]; - $S3[] = (int)$self->S3[$i]; - } - } - '; - break; - default: - $K = array(); - for ($i = 0; $i < 40; ++$i) { - $K[] = '$K_' . $i; - } - $init_crypt = ' - $S0 = $self->S0; - $S1 = $self->S1; - $S2 = $self->S2; - $S3 = $self->S3; - list(' . implode(',', $K) . ') = $self->K; - '; - } - - // Generating encrypt code: - $encrypt_block = ' - $in = unpack("V4", $in); - $R0 = '.$K[0].' ^ $in[1]; - $R1 = '.$K[1].' ^ $in[2]; - $R2 = '.$K[2].' ^ $in[3]; - $R3 = '.$K[3].' ^ $in[4]; - '; - for ($ki = 7, $i = 0; $i < 8; ++$i) { - $encrypt_block.= ' - $t0 = $S0[ $R0 & 0xff] ^ - $S1[($R0 >> 8) & 0xff] ^ - $S2[($R0 >> 16) & 0xff] ^ - $S3[($R0 >> 24) & 0xff]; - $t1 = $S0[($R1 >> 24) & 0xff] ^ - $S1[ $R1 & 0xff] ^ - $S2[($R1 >> 8) & 0xff] ^ - $S3[($R1 >> 16) & 0xff]; - $R2^= ' . sprintf($safeint, '$t0 + $t1 + ' . $K[++$ki]) . '; - $R2 = ($R2 >> 1 & 0x7fffffff) | ($R2 << 31); - $R3 = ((($R3 >> 31) & 1) | ($R3 << 1)) ^ ' . sprintf($safeint, '($t0 + ($t1 << 1) + ' . $K[++$ki] . ')') . '; - - $t0 = $S0[ $R2 & 0xff] ^ - $S1[($R2 >> 8) & 0xff] ^ - $S2[($R2 >> 16) & 0xff] ^ - $S3[($R2 >> 24) & 0xff]; - $t1 = $S0[($R3 >> 24) & 0xff] ^ - $S1[ $R3 & 0xff] ^ - $S2[($R3 >> 8) & 0xff] ^ - $S3[($R3 >> 16) & 0xff]; - $R0^= ' . sprintf($safeint, '($t0 + $t1 + ' . $K[++$ki] . ')') . '; - $R0 = ($R0 >> 1 & 0x7fffffff) | ($R0 << 31); - $R1 = ((($R1 >> 31) & 1) | ($R1 << 1)) ^ ' . sprintf($safeint, '($t0 + ($t1 << 1) + ' . $K[++$ki] . ')') . '; - '; - } - $encrypt_block.= ' - $in = pack("V4", ' . $K[4] . ' ^ $R2, - ' . $K[5] . ' ^ $R3, - ' . $K[6] . ' ^ $R0, - ' . $K[7] . ' ^ $R1); - '; - - // Generating decrypt code: - $decrypt_block = ' - $in = unpack("V4", $in); - $R0 = '.$K[4].' ^ $in[1]; - $R1 = '.$K[5].' ^ $in[2]; - $R2 = '.$K[6].' ^ $in[3]; - $R3 = '.$K[7].' ^ $in[4]; - '; - for ($ki = 40, $i = 0; $i < 8; ++$i) { - $decrypt_block.= ' - $t0 = $S0[$R0 & 0xff] ^ - $S1[$R0 >> 8 & 0xff] ^ - $S2[$R0 >> 16 & 0xff] ^ - $S3[$R0 >> 24 & 0xff]; - $t1 = $S0[$R1 >> 24 & 0xff] ^ - $S1[$R1 & 0xff] ^ - $S2[$R1 >> 8 & 0xff] ^ - $S3[$R1 >> 16 & 0xff]; - $R3^= ' . sprintf($safeint, '$t0 + ($t1 << 1) + ' . $K[--$ki]) . '; - $R3 = $R3 >> 1 & 0x7fffffff | $R3 << 31; - $R2 = ($R2 >> 31 & 0x1 | $R2 << 1) ^ ' . sprintf($safeint, '($t0 + $t1 + '.$K[--$ki] . ')') . '; - - $t0 = $S0[$R2 & 0xff] ^ - $S1[$R2 >> 8 & 0xff] ^ - $S2[$R2 >> 16 & 0xff] ^ - $S3[$R2 >> 24 & 0xff]; - $t1 = $S0[$R3 >> 24 & 0xff] ^ - $S1[$R3 & 0xff] ^ - $S2[$R3 >> 8 & 0xff] ^ - $S3[$R3 >> 16 & 0xff]; - $R1^= ' . sprintf($safeint, '$t0 + ($t1 << 1) + ' . $K[--$ki]) . '; - $R1 = $R1 >> 1 & 0x7fffffff | $R1 << 31; - $R0 = ($R0 >> 31 & 0x1 | $R0 << 1) ^ ' . sprintf($safeint, '($t0 + $t1 + '.$K[--$ki] . ')') . '; - '; - } - $decrypt_block.= ' - $in = pack("V4", ' . $K[0] . ' ^ $R2, - ' . $K[1] . ' ^ $R3, - ' . $K[2] . ' ^ $R0, - ' . $K[3] . ' ^ $R1); - '; - - $lambda_functions[$code_hash] = $this->_createInlineCryptFunction( - array( - 'init_crypt' => $init_crypt, - 'init_encrypt' => '', - 'init_decrypt' => '', - 'encrypt_block' => $encrypt_block, - 'decrypt_block' => $decrypt_block - ) - ); - } - $this->inline_crypt = $lambda_functions[$code_hash]; - } -} diff --git a/lib/phpseclib/File/ANSI.php b/lib/phpseclib/File/ANSI.php deleted file mode 100644 index 5ff1f2ea1ab..00000000000 --- a/lib/phpseclib/File/ANSI.php +++ /dev/null @@ -1,577 +0,0 @@ - - * @copyright 2012 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File; - -/** - * Pure-PHP ANSI Decoder - * - * @package ANSI - * @author Jim Wigginton - * @access public - */ -class ANSI -{ - /** - * Max Width - * - * @var int - * @access private - */ - var $max_x; - - /** - * Max Height - * - * @var int - * @access private - */ - var $max_y; - - /** - * Max History - * - * @var int - * @access private - */ - var $max_history; - - /** - * History - * - * @var array - * @access private - */ - var $history; - - /** - * History Attributes - * - * @var array - * @access private - */ - var $history_attrs; - - /** - * Current Column - * - * @var int - * @access private - */ - var $x; - - /** - * Current Row - * - * @var int - * @access private - */ - var $y; - - /** - * Old Column - * - * @var int - * @access private - */ - var $old_x; - - /** - * Old Row - * - * @var int - * @access private - */ - var $old_y; - - /** - * An empty attribute cell - * - * @var object - * @access private - */ - var $base_attr_cell; - - /** - * The current attribute cell - * - * @var object - * @access private - */ - var $attr_cell; - - /** - * An empty attribute row - * - * @var array - * @access private - */ - var $attr_row; - - /** - * The current screen text - * - * @var array - * @access private - */ - var $screen; - - /** - * The current screen attributes - * - * @var array - * @access private - */ - var $attrs; - - /** - * Current ANSI code - * - * @var string - * @access private - */ - var $ansi; - - /** - * Tokenization - * - * @var array - * @access private - */ - var $tokenization; - - /** - * Default Constructor. - * - * @return \phpseclib\File\ANSI - * @access public - */ - function __construct() - { - $attr_cell = new \stdClass(); - $attr_cell->bold = false; - $attr_cell->underline = false; - $attr_cell->blink = false; - $attr_cell->background = 'black'; - $attr_cell->foreground = 'white'; - $attr_cell->reverse = false; - $this->base_attr_cell = clone $attr_cell; - $this->attr_cell = clone $attr_cell; - - $this->setHistory(200); - $this->setDimensions(80, 24); - } - - /** - * Set terminal width and height - * - * Resets the screen as well - * - * @param int $x - * @param int $y - * @access public - */ - function setDimensions($x, $y) - { - $this->max_x = $x - 1; - $this->max_y = $y - 1; - $this->x = $this->y = 0; - $this->history = $this->history_attrs = array(); - $this->attr_row = array_fill(0, $this->max_x + 2, $this->base_attr_cell); - $this->screen = array_fill(0, $this->max_y + 1, ''); - $this->attrs = array_fill(0, $this->max_y + 1, $this->attr_row); - $this->ansi = ''; - } - - /** - * Set the number of lines that should be logged past the terminal height - * - * @param int $x - * @param int $y - * @access public - */ - function setHistory($history) - { - $this->max_history = $history; - } - - /** - * Load a string - * - * @param string $source - * @access public - */ - function loadString($source) - { - $this->setDimensions($this->max_x + 1, $this->max_y + 1); - $this->appendString($source); - } - - /** - * Appdend a string - * - * @param string $source - * @access public - */ - function appendString($source) - { - $this->tokenization = array(''); - for ($i = 0; $i < strlen($source); $i++) { - if (strlen($this->ansi)) { - $this->ansi.= $source[$i]; - $chr = ord($source[$i]); - // http://en.wikipedia.org/wiki/ANSI_escape_code#Sequence_elements - // single character CSI's not currently supported - switch (true) { - case $this->ansi == "\x1B=": - $this->ansi = ''; - continue 2; - case strlen($this->ansi) == 2 && $chr >= 64 && $chr <= 95 && $chr != ord('['): - case strlen($this->ansi) > 2 && $chr >= 64 && $chr <= 126: - break; - default: - continue 2; - } - $this->tokenization[] = $this->ansi; - $this->tokenization[] = ''; - // http://ascii-table.com/ansi-escape-sequences-vt-100.php - switch ($this->ansi) { - case "\x1B[H": // Move cursor to upper left corner - $this->old_x = $this->x; - $this->old_y = $this->y; - $this->x = $this->y = 0; - break; - case "\x1B[J": // Clear screen from cursor down - $this->history = array_merge($this->history, array_slice(array_splice($this->screen, $this->y + 1), 0, $this->old_y)); - $this->screen = array_merge($this->screen, array_fill($this->y, $this->max_y, '')); - - $this->history_attrs = array_merge($this->history_attrs, array_slice(array_splice($this->attrs, $this->y + 1), 0, $this->old_y)); - $this->attrs = array_merge($this->attrs, array_fill($this->y, $this->max_y, $this->attr_row)); - - if (count($this->history) == $this->max_history) { - array_shift($this->history); - array_shift($this->history_attrs); - } - case "\x1B[K": // Clear screen from cursor right - $this->screen[$this->y] = substr($this->screen[$this->y], 0, $this->x); - - array_splice($this->attrs[$this->y], $this->x + 1, $this->max_x - $this->x, array_fill($this->x, $this->max_x - $this->x - 1, $this->base_attr_cell)); - break; - case "\x1B[2K": // Clear entire line - $this->screen[$this->y] = str_repeat(' ', $this->x); - $this->attrs[$this->y] = $this->attr_row; - break; - case "\x1B[?1h": // set cursor key to application - case "\x1B[?25h": // show the cursor - case "\x1B(B": // set united states g0 character set - break; - case "\x1BE": // Move to next line - $this->_newLine(); - $this->x = 0; - break; - default: - switch (true) { - case preg_match('#\x1B\[(\d+)B#', $this->ansi, $match): // Move cursor down n lines - $this->old_y = $this->y; - $this->y+= $match[1]; - break; - case preg_match('#\x1B\[(\d+);(\d+)H#', $this->ansi, $match): // Move cursor to screen location v,h - $this->old_x = $this->x; - $this->old_y = $this->y; - $this->x = $match[2] - 1; - $this->y = $match[1] - 1; - break; - case preg_match('#\x1B\[(\d+)C#', $this->ansi, $match): // Move cursor right n lines - $this->old_x = $this->x; - $this->x+= $match[1]; - break; - case preg_match('#\x1B\[(\d+)D#', $this->ansi, $match): // Move cursor left n lines - $this->old_x = $this->x; - $this->x-= $match[1]; - if ($this->x < 0) { - $this->x = 0; - } - break; - case preg_match('#\x1B\[(\d+);(\d+)r#', $this->ansi, $match): // Set top and bottom lines of a window - break; - case preg_match('#\x1B\[(\d*(?:;\d*)*)m#', $this->ansi, $match): // character attributes - $attr_cell = &$this->attr_cell; - $mods = explode(';', $match[1]); - foreach ($mods as $mod) { - switch ($mod) { - case 0: // Turn off character attributes - $attr_cell = clone $this->base_attr_cell; - break; - case 1: // Turn bold mode on - $attr_cell->bold = true; - break; - case 4: // Turn underline mode on - $attr_cell->underline = true; - break; - case 5: // Turn blinking mode on - $attr_cell->blink = true; - break; - case 7: // Turn reverse video on - $attr_cell->reverse = !$attr_cell->reverse; - $temp = $attr_cell->background; - $attr_cell->background = $attr_cell->foreground; - $attr_cell->foreground = $temp; - break; - default: // set colors - //$front = $attr_cell->reverse ? &$attr_cell->background : &$attr_cell->foreground; - $front = &$attr_cell->{ $attr_cell->reverse ? 'background' : 'foreground' }; - //$back = $attr_cell->reverse ? &$attr_cell->foreground : &$attr_cell->background; - $back = &$attr_cell->{ $attr_cell->reverse ? 'foreground' : 'background' }; - switch ($mod) { - // @codingStandardsIgnoreStart - case 30: $front = 'black'; break; - case 31: $front = 'red'; break; - case 32: $front = 'green'; break; - case 33: $front = 'yellow'; break; - case 34: $front = 'blue'; break; - case 35: $front = 'magenta'; break; - case 36: $front = 'cyan'; break; - case 37: $front = 'white'; break; - - case 40: $back = 'black'; break; - case 41: $back = 'red'; break; - case 42: $back = 'green'; break; - case 43: $back = 'yellow'; break; - case 44: $back = 'blue'; break; - case 45: $back = 'magenta'; break; - case 46: $back = 'cyan'; break; - case 47: $back = 'white'; break; - // @codingStandardsIgnoreEnd - - default: - //user_error('Unsupported attribute: ' . $mod); - $this->ansi = ''; - break 2; - } - } - } - break; - default: - //user_error("{$this->ansi} is unsupported\r\n"); - } - } - $this->ansi = ''; - continue; - } - - $this->tokenization[count($this->tokenization) - 1].= $source[$i]; - switch ($source[$i]) { - case "\r": - $this->x = 0; - break; - case "\n": - $this->_newLine(); - break; - case "\x08": // backspace - if ($this->x) { - $this->x--; - $this->attrs[$this->y][$this->x] = clone $this->base_attr_cell; - $this->screen[$this->y] = substr_replace( - $this->screen[$this->y], - $source[$i], - $this->x, - 1 - ); - } - break; - case "\x0F": // shift - break; - case "\x1B": // start ANSI escape code - $this->tokenization[count($this->tokenization) - 1] = substr($this->tokenization[count($this->tokenization) - 1], 0, -1); - //if (!strlen($this->tokenization[count($this->tokenization) - 1])) { - // array_pop($this->tokenization); - //} - $this->ansi.= "\x1B"; - break; - default: - $this->attrs[$this->y][$this->x] = clone $this->attr_cell; - if ($this->x > strlen($this->screen[$this->y])) { - $this->screen[$this->y] = str_repeat(' ', $this->x); - } - $this->screen[$this->y] = substr_replace( - $this->screen[$this->y], - $source[$i], - $this->x, - 1 - ); - - if ($this->x > $this->max_x) { - $this->x = 0; - $this->_newLine(); - } else { - $this->x++; - } - } - } - } - - /** - * Add a new line - * - * Also update the $this->screen and $this->history buffers - * - * @access private - */ - function _newLine() - { - //if ($this->y < $this->max_y) { - // $this->y++; - //} - - while ($this->y >= $this->max_y) { - $this->history = array_merge($this->history, array(array_shift($this->screen))); - $this->screen[] = ''; - - $this->history_attrs = array_merge($this->history_attrs, array(array_shift($this->attrs))); - $this->attrs[] = $this->attr_row; - - if (count($this->history) >= $this->max_history) { - array_shift($this->history); - array_shift($this->history_attrs); - } - - $this->y--; - } - $this->y++; - } - - /** - * Returns the current coordinate without preformating - * - * @access private - * @return string - */ - function _processCoordinate($last_attr, $cur_attr, $char) - { - $output = ''; - - if ($last_attr != $cur_attr) { - $close = $open = ''; - if ($last_attr->foreground != $cur_attr->foreground) { - if ($cur_attr->foreground != 'white') { - $open.= ''; - } - if ($last_attr->foreground != 'white') { - $close = '' . $close; - } - } - if ($last_attr->background != $cur_attr->background) { - if ($cur_attr->background != 'black') { - $open.= ''; - } - if ($last_attr->background != 'black') { - $close = '' . $close; - } - } - if ($last_attr->bold != $cur_attr->bold) { - if ($cur_attr->bold) { - $open.= ''; - } else { - $close = '' . $close; - } - } - if ($last_attr->underline != $cur_attr->underline) { - if ($cur_attr->underline) { - $open.= ''; - } else { - $close = '' . $close; - } - } - if ($last_attr->blink != $cur_attr->blink) { - if ($cur_attr->blink) { - $open.= ''; - } else { - $close = '' . $close; - } - } - $output.= $close . $open; - } - - $output.= htmlspecialchars($char); - - return $output; - } - - /** - * Returns the current screen without preformating - * - * @access private - * @return string - */ - function _getScreen() - { - $output = ''; - $last_attr = $this->base_attr_cell; - for ($i = 0; $i <= $this->max_y; $i++) { - for ($j = 0; $j <= $this->max_x; $j++) { - $cur_attr = $this->attrs[$i][$j]; - $output.= $this->_processCoordinate($last_attr, $cur_attr, isset($this->screen[$i][$j]) ? $this->screen[$i][$j] : ''); - $last_attr = $this->attrs[$i][$j]; - } - $output.= "\r\n"; - } - $output = substr($output, 0, -2); - // close any remaining open tags - $output.= $this->_processCoordinate($last_attr, $this->base_attr_cell, ''); - return rtrim($output); - } - - /** - * Returns the current screen - * - * @access public - * @return string - */ - function getScreen() - { - return '
' . $this->_getScreen() . '
'; - } - - /** - * Returns the current screen and the x previous lines - * - * @access public - * @return string - */ - function getHistory() - { - $scrollback = ''; - $last_attr = $this->base_attr_cell; - for ($i = 0; $i < count($this->history); $i++) { - for ($j = 0; $j <= $this->max_x + 1; $j++) { - $cur_attr = $this->history_attrs[$i][$j]; - $scrollback.= $this->_processCoordinate($last_attr, $cur_attr, isset($this->history[$i][$j]) ? $this->history[$i][$j] : ''); - $last_attr = $this->history_attrs[$i][$j]; - } - $scrollback.= "\r\n"; - } - $base_attr_cell = $this->base_attr_cell; - $this->base_attr_cell = $last_attr; - $scrollback.= $this->_getScreen(); - $this->base_attr_cell = $base_attr_cell; - - return '
' . $scrollback . '
'; - } -} diff --git a/lib/phpseclib/File/ASN1.php b/lib/phpseclib/File/ASN1.php deleted file mode 100644 index b3d546fbcd4..00000000000 --- a/lib/phpseclib/File/ASN1.php +++ /dev/null @@ -1,1325 +0,0 @@ - - * @copyright 2012 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File; - -use phpseclib\File\ASN1\Element; -use phpseclib\Math\BigInteger; -use DateTime; -use DateTimeZone; - -/** - * Pure-PHP ASN.1 Parser - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -class ASN1 -{ - /**#@+ - * Tag Classes - * - * @access private - * @link http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#page=12 - */ - const CLASS_UNIVERSAL = 0; - const CLASS_APPLICATION = 1; - const CLASS_CONTEXT_SPECIFIC = 2; - const CLASS_PRIVATE = 3; - /**#@-*/ - - /**#@+ - * Tag Classes - * - * @access private - * @link http://www.obj-sys.com/asn1tutorial/node124.html - */ - const TYPE_BOOLEAN = 1; - const TYPE_INTEGER = 2; - const TYPE_BIT_STRING = 3; - const TYPE_OCTET_STRING = 4; - const TYPE_NULL = 5; - const TYPE_OBJECT_IDENTIFIER = 6; - //const TYPE_OBJECT_DESCRIPTOR = 7; - //const TYPE_INSTANCE_OF = 8; // EXTERNAL - const TYPE_REAL = 9; - const TYPE_ENUMERATED = 10; - //const TYPE_EMBEDDED = 11; - const TYPE_UTF8_STRING = 12; - //const TYPE_RELATIVE_OID = 13; - const TYPE_SEQUENCE = 16; // SEQUENCE OF - const TYPE_SET = 17; // SET OF - /**#@-*/ - /**#@+ - * More Tag Classes - * - * @access private - * @link http://www.obj-sys.com/asn1tutorial/node10.html - */ - const TYPE_NUMERIC_STRING = 18; - const TYPE_PRINTABLE_STRING = 19; - const TYPE_TELETEX_STRING = 20; // T61String - const TYPE_VIDEOTEX_STRING = 21; - const TYPE_IA5_STRING = 22; - const TYPE_UTC_TIME = 23; - const TYPE_GENERALIZED_TIME = 24; - const TYPE_GRAPHIC_STRING = 25; - const TYPE_VISIBLE_STRING = 26; // ISO646String - const TYPE_GENERAL_STRING = 27; - const TYPE_UNIVERSAL_STRING = 28; - //const TYPE_CHARACTER_STRING = 29; - const TYPE_BMP_STRING = 30; - /**#@-*/ - - /**#@+ - * Tag Aliases - * - * These tags are kinda place holders for other tags. - * - * @access private - */ - const TYPE_CHOICE = -1; - const TYPE_ANY = -2; - /**#@-*/ - - /** - * ASN.1 object identifier - * - * @var array - * @access private - * @link http://en.wikipedia.org/wiki/Object_identifier - */ - var $oids = array(); - - /** - * Default date format - * - * @var string - * @access private - * @link http://php.net/class.datetime - */ - var $format = 'D, d M Y H:i:s O'; - - /** - * Default date format - * - * @var array - * @access private - * @see self::setTimeFormat() - * @see self::asn1map() - * @link http://php.net/class.datetime - */ - var $encoded; - - /** - * Filters - * - * If the mapping type is self::TYPE_ANY what do we actually encode it as? - * - * @var array - * @access private - * @see self::_encode_der() - */ - var $filters; - - /** - * Type mapping table for the ANY type. - * - * Structured or unknown types are mapped to a \phpseclib\File\ASN1\Element. - * Unambiguous types get the direct mapping (int/real/bool). - * Others are mapped as a choice, with an extra indexing level. - * - * @var array - * @access public - */ - var $ANYmap = array( - self::TYPE_BOOLEAN => true, - self::TYPE_INTEGER => true, - self::TYPE_BIT_STRING => 'bitString', - self::TYPE_OCTET_STRING => 'octetString', - self::TYPE_NULL => 'null', - self::TYPE_OBJECT_IDENTIFIER => 'objectIdentifier', - self::TYPE_REAL => true, - self::TYPE_ENUMERATED => 'enumerated', - self::TYPE_UTF8_STRING => 'utf8String', - self::TYPE_NUMERIC_STRING => 'numericString', - self::TYPE_PRINTABLE_STRING => 'printableString', - self::TYPE_TELETEX_STRING => 'teletexString', - self::TYPE_VIDEOTEX_STRING => 'videotexString', - self::TYPE_IA5_STRING => 'ia5String', - self::TYPE_UTC_TIME => 'utcTime', - self::TYPE_GENERALIZED_TIME => 'generalTime', - self::TYPE_GRAPHIC_STRING => 'graphicString', - self::TYPE_VISIBLE_STRING => 'visibleString', - self::TYPE_GENERAL_STRING => 'generalString', - self::TYPE_UNIVERSAL_STRING => 'universalString', - //self::TYPE_CHARACTER_STRING => 'characterString', - self::TYPE_BMP_STRING => 'bmpString' - ); - - /** - * String type to character size mapping table. - * - * Non-convertable types are absent from this table. - * size == 0 indicates variable length encoding. - * - * @var array - * @access public - */ - var $stringTypeSize = array( - self::TYPE_UTF8_STRING => 0, - self::TYPE_BMP_STRING => 2, - self::TYPE_UNIVERSAL_STRING => 4, - self::TYPE_PRINTABLE_STRING => 1, - self::TYPE_TELETEX_STRING => 1, - self::TYPE_IA5_STRING => 1, - self::TYPE_VISIBLE_STRING => 1, - ); - - /** - * Parse BER-encoding - * - * Serves a similar purpose to openssl's asn1parse - * - * @param string $encoded - * @return array - * @access public - */ - function decodeBER($encoded) - { - if ($encoded instanceof Element) { - $encoded = $encoded->element; - } - - $this->encoded = $encoded; - // encapsulate in an array for BC with the old decodeBER - return array($this->_decode_ber($encoded)); - } - - /** - * Parse BER-encoding (Helper function) - * - * Sometimes we want to get the BER encoding of a particular tag. $start lets us do that without having to reencode. - * $encoded is passed by reference for the recursive calls done for self::TYPE_BIT_STRING and - * self::TYPE_OCTET_STRING. In those cases, the indefinite length is used. - * - * @param string $encoded - * @param int $start - * @param int $encoded_pos - * @return array - * @access private - */ - function _decode_ber($encoded, $start = 0, $encoded_pos = 0) - { - $current = array('start' => $start); - - $type = ord($encoded[$encoded_pos++]); - $start++; - - $constructed = ($type >> 5) & 1; - - $tag = $type & 0x1F; - if ($tag == 0x1F) { - $tag = 0; - // process septets (since the eighth bit is ignored, it's not an octet) - do { - $loop = ord($encoded[0]) >> 7; - $tag <<= 7; - $tag |= ord($encoded[$encoded_pos++]) & 0x7F; - $start++; - } while ($loop); - } - - // Length, as discussed in paragraph 8.1.3 of X.690-0207.pdf#page=13 - $length = ord($encoded[$encoded_pos++]); - $start++; - if ($length == 0x80) { // indefinite length - // "[A sender shall] use the indefinite form (see 8.1.3.6) if the encoding is constructed and is not all - // immediately available." -- paragraph 8.1.3.2.c - $length = strlen($encoded) - $encoded_pos; - } elseif ($length & 0x80) { // definite length, long form - // technically, the long form of the length can be represented by up to 126 octets (bytes), but we'll only - // support it up to four. - $length&= 0x7F; - $temp = substr($encoded, $encoded_pos, $length); - $encoded_pos += $length; - // tags of indefinte length don't really have a header length; this length includes the tag - $current+= array('headerlength' => $length + 2); - $start+= $length; - extract(unpack('Nlength', substr(str_pad($temp, 4, chr(0), STR_PAD_LEFT), -4))); - } else { - $current+= array('headerlength' => 2); - } - - if ($length > (strlen($encoded) - $encoded_pos)) { - return false; - } - - $content = substr($encoded, $encoded_pos, $length); - $content_pos = 0; - - // at this point $length can be overwritten. it's only accurate for definite length things as is - - /* Class is UNIVERSAL, APPLICATION, PRIVATE, or CONTEXT-SPECIFIC. The UNIVERSAL class is restricted to the ASN.1 - built-in types. It defines an application-independent data type that must be distinguishable from all other - data types. The other three classes are user defined. The APPLICATION class distinguishes data types that - have a wide, scattered use within a particular presentation context. PRIVATE distinguishes data types within - a particular organization or country. CONTEXT-SPECIFIC distinguishes members of a sequence or set, the - alternatives of a CHOICE, or universally tagged set members. Only the class number appears in braces for this - data type; the term CONTEXT-SPECIFIC does not appear. - - -- http://www.obj-sys.com/asn1tutorial/node12.html */ - $class = ($type >> 6) & 3; - switch ($class) { - case self::CLASS_APPLICATION: - case self::CLASS_PRIVATE: - case self::CLASS_CONTEXT_SPECIFIC: - if (!$constructed) { - return array( - 'type' => $class, - 'constant' => $tag, - 'content' => $content, - 'length' => $length + $start - $current['start'] - ); - } - - $newcontent = array(); - $remainingLength = $length; - while ($remainingLength > 0) { - $temp = $this->_decode_ber($content, $start, $content_pos); - $length = $temp['length']; - // end-of-content octets - see paragraph 8.1.5 - if (substr($content, $content_pos + $length, 2) == "\0\0") { - $length+= 2; - $start+= $length; - $newcontent[] = $temp; - break; - } - $start+= $length; - $remainingLength-= $length; - $newcontent[] = $temp; - $content_pos += $length; - } - - return array( - 'type' => $class, - 'constant' => $tag, - // the array encapsulation is for BC with the old format - 'content' => $newcontent, - // the only time when $content['headerlength'] isn't defined is when the length is indefinite. - // the absence of $content['headerlength'] is how we know if something is indefinite or not. - // technically, it could be defined to be 2 and then another indicator could be used but whatever. - 'length' => $start - $current['start'] - ) + $current; - } - - $current+= array('type' => $tag); - - // decode UNIVERSAL tags - switch ($tag) { - case self::TYPE_BOOLEAN: - // "The contents octets shall consist of a single octet." -- paragraph 8.2.1 - //if (strlen($content) != 1) { - // return false; - //} - $current['content'] = (bool) ord($content[$content_pos]); - break; - case self::TYPE_INTEGER: - case self::TYPE_ENUMERATED: - $current['content'] = new BigInteger(substr($content, $content_pos), -256); - break; - case self::TYPE_REAL: // not currently supported - return false; - case self::TYPE_BIT_STRING: - // The initial octet shall encode, as an unsigned binary integer with bit 1 as the least significant bit, - // the number of unused bits in the final subsequent octet. The number shall be in the range zero to - // seven. - if (!$constructed) { - $current['content'] = substr($content, $content_pos); - } else { - $temp = $this->_decode_ber($content, $start, $content_pos); - $length-= (strlen($content) - $content_pos); - $last = count($temp) - 1; - for ($i = 0; $i < $last; $i++) { - // all subtags should be bit strings - //if ($temp[$i]['type'] != self::TYPE_BIT_STRING) { - // return false; - //} - $current['content'].= substr($temp[$i]['content'], 1); - } - // all subtags should be bit strings - //if ($temp[$last]['type'] != self::TYPE_BIT_STRING) { - // return false; - //} - $current['content'] = $temp[$last]['content'][0] . $current['content'] . substr($temp[$i]['content'], 1); - } - break; - case self::TYPE_OCTET_STRING: - if (!$constructed) { - $current['content'] = substr($content, $content_pos); - } else { - $current['content'] = ''; - $length = 0; - while (substr($content, $content_pos, 2) != "\0\0") { - $temp = $this->_decode_ber($content, $length + $start, $content_pos); - $content_pos += $temp['length']; - // all subtags should be octet strings - //if ($temp['type'] != self::TYPE_OCTET_STRING) { - // return false; - //} - $current['content'].= $temp['content']; - $length+= $temp['length']; - } - if (substr($content, $content_pos, 2) == "\0\0") { - $length+= 2; // +2 for the EOC - } - } - break; - case self::TYPE_NULL: - // "The contents octets shall not contain any octets." -- paragraph 8.8.2 - //if (strlen($content)) { - // return false; - //} - break; - case self::TYPE_SEQUENCE: - case self::TYPE_SET: - $offset = 0; - $current['content'] = array(); - $content_len = strlen($content); - while ($content_pos < $content_len) { - // if indefinite length construction was used and we have an end-of-content string next - // see paragraphs 8.1.1.3, 8.1.3.2, 8.1.3.6, 8.1.5, and (for an example) 8.6.4.2 - if (!isset($current['headerlength']) && substr($content, $content_pos, 2) == "\0\0") { - $length = $offset + 2; // +2 for the EOC - break 2; - } - $temp = $this->_decode_ber($content, $start + $offset, $content_pos); - $content_pos += $temp['length']; - $current['content'][] = $temp; - $offset+= $temp['length']; - } - break; - case self::TYPE_OBJECT_IDENTIFIER: - $temp = ord($content[$content_pos++]); - $current['content'] = sprintf('%d.%d', floor($temp / 40), $temp % 40); - $valuen = 0; - // process septets - $content_len = strlen($content); - while ($content_pos < $content_len) { - $temp = ord($content[$content_pos++]); - $valuen <<= 7; - $valuen |= $temp & 0x7F; - if (~$temp & 0x80) { - $current['content'].= ".$valuen"; - $valuen = 0; - } - } - // the eighth bit of the last byte should not be 1 - //if ($temp >> 7) { - // return false; - //} - break; - /* Each character string type shall be encoded as if it had been declared: - [UNIVERSAL x] IMPLICIT OCTET STRING - - -- X.690-0207.pdf#page=23 (paragraph 8.21.3) - - Per that, we're not going to do any validation. If there are any illegal characters in the string, - we don't really care */ - case self::TYPE_NUMERIC_STRING: - // 0,1,2,3,4,5,6,7,8,9, and space - case self::TYPE_PRINTABLE_STRING: - // Upper and lower case letters, digits, space, apostrophe, left/right parenthesis, plus sign, comma, - // hyphen, full stop, solidus, colon, equal sign, question mark - case self::TYPE_TELETEX_STRING: - // The Teletex character set in CCITT's T61, space, and delete - // see http://en.wikipedia.org/wiki/Teletex#Character_sets - case self::TYPE_VIDEOTEX_STRING: - // The Videotex character set in CCITT's T.100 and T.101, space, and delete - case self::TYPE_VISIBLE_STRING: - // Printing character sets of international ASCII, and space - case self::TYPE_IA5_STRING: - // International Alphabet 5 (International ASCII) - case self::TYPE_GRAPHIC_STRING: - // All registered G sets, and space - case self::TYPE_GENERAL_STRING: - // All registered C and G sets, space and delete - case self::TYPE_UTF8_STRING: - // ???? - case self::TYPE_BMP_STRING: - $current['content'] = substr($content, $content_pos); - break; - case self::TYPE_UTC_TIME: - case self::TYPE_GENERALIZED_TIME: - $current['content'] = $this->_decodeTime(substr($content, $content_pos), $tag); - default: - } - - $start+= $length; - - // ie. length is the length of the full TLV encoding - it's not just the length of the value - return $current + array('length' => $start - $current['start']); - } - - /** - * ASN.1 Map - * - * Provides an ASN.1 semantic mapping ($mapping) from a parsed BER-encoding to a human readable format. - * - * "Special" mappings may be applied on a per tag-name basis via $special. - * - * @param array $decoded - * @param array $mapping - * @param array $special - * @return array - * @access public - */ - function asn1map($decoded, $mapping, $special = array()) - { - if (isset($mapping['explicit']) && is_array($decoded['content'])) { - $decoded = $decoded['content'][0]; - } - - switch (true) { - case $mapping['type'] == self::TYPE_ANY: - $intype = $decoded['type']; - if (isset($decoded['constant']) || !isset($this->ANYmap[$intype]) || (ord($this->encoded[$decoded['start']]) & 0x20)) { - return new Element(substr($this->encoded, $decoded['start'], $decoded['length'])); - } - $inmap = $this->ANYmap[$intype]; - if (is_string($inmap)) { - return array($inmap => $this->asn1map($decoded, array('type' => $intype) + $mapping, $special)); - } - break; - case $mapping['type'] == self::TYPE_CHOICE: - foreach ($mapping['children'] as $key => $option) { - switch (true) { - case isset($option['constant']) && $option['constant'] == $decoded['constant']: - case !isset($option['constant']) && $option['type'] == $decoded['type']: - $value = $this->asn1map($decoded, $option, $special); - break; - case !isset($option['constant']) && $option['type'] == self::TYPE_CHOICE: - $v = $this->asn1map($decoded, $option, $special); - if (isset($v)) { - $value = $v; - } - } - if (isset($value)) { - if (isset($special[$key])) { - $value = call_user_func($special[$key], $value); - } - return array($key => $value); - } - } - return null; - case isset($mapping['implicit']): - case isset($mapping['explicit']): - case $decoded['type'] == $mapping['type']: - break; - default: - // if $decoded['type'] and $mapping['type'] are both strings, but different types of strings, - // let it through - switch (true) { - case $decoded['type'] < 18: // self::TYPE_NUMERIC_STRING == 18 - case $decoded['type'] > 30: // self::TYPE_BMP_STRING == 30 - case $mapping['type'] < 18: - case $mapping['type'] > 30: - return null; - } - } - - if (isset($mapping['implicit'])) { - $decoded['type'] = $mapping['type']; - } - - switch ($decoded['type']) { - case self::TYPE_SEQUENCE: - $map = array(); - - // ignore the min and max - if (isset($mapping['min']) && isset($mapping['max'])) { - $child = $mapping['children']; - foreach ($decoded['content'] as $content) { - if (($map[] = $this->asn1map($content, $child, $special)) === null) { - return null; - } - } - - return $map; - } - - $n = count($decoded['content']); - $i = 0; - - foreach ($mapping['children'] as $key => $child) { - $maymatch = $i < $n; // Match only existing input. - if ($maymatch) { - $temp = $decoded['content'][$i]; - - if ($child['type'] != self::TYPE_CHOICE) { - // Get the mapping and input class & constant. - $childClass = $tempClass = self::CLASS_UNIVERSAL; - $constant = null; - if (isset($temp['constant'])) { - $tempClass = $temp['type']; - } - if (isset($child['class'])) { - $childClass = $child['class']; - $constant = $child['cast']; - } elseif (isset($child['constant'])) { - $childClass = self::CLASS_CONTEXT_SPECIFIC; - $constant = $child['constant']; - } - - if (isset($constant) && isset($temp['constant'])) { - // Can only match if constants and class match. - $maymatch = $constant == $temp['constant'] && $childClass == $tempClass; - } else { - // Can only match if no constant expected and type matches or is generic. - $maymatch = !isset($child['constant']) && array_search($child['type'], array($temp['type'], self::TYPE_ANY, self::TYPE_CHOICE)) !== false; - } - } - } - - if ($maymatch) { - // Attempt submapping. - $candidate = $this->asn1map($temp, $child, $special); - $maymatch = $candidate !== null; - } - - if ($maymatch) { - // Got the match: use it. - if (isset($special[$key])) { - $candidate = call_user_func($special[$key], $candidate); - } - $map[$key] = $candidate; - $i++; - } elseif (isset($child['default'])) { - $map[$key] = $child['default']; // Use default. - } elseif (!isset($child['optional'])) { - return null; // Syntax error. - } - } - - // Fail mapping if all input items have not been consumed. - return $i < $n ? null: $map; - - // the main diff between sets and sequences is the encapsulation of the foreach in another for loop - case self::TYPE_SET: - $map = array(); - - // ignore the min and max - if (isset($mapping['min']) && isset($mapping['max'])) { - $child = $mapping['children']; - foreach ($decoded['content'] as $content) { - if (($map[] = $this->asn1map($content, $child, $special)) === null) { - return null; - } - } - - return $map; - } - - for ($i = 0; $i < count($decoded['content']); $i++) { - $temp = $decoded['content'][$i]; - $tempClass = self::CLASS_UNIVERSAL; - if (isset($temp['constant'])) { - $tempClass = $temp['type']; - } - - foreach ($mapping['children'] as $key => $child) { - if (isset($map[$key])) { - continue; - } - $maymatch = true; - if ($child['type'] != self::TYPE_CHOICE) { - $childClass = self::CLASS_UNIVERSAL; - $constant = null; - if (isset($child['class'])) { - $childClass = $child['class']; - $constant = $child['cast']; - } elseif (isset($child['constant'])) { - $childClass = self::CLASS_CONTEXT_SPECIFIC; - $constant = $child['constant']; - } - - if (isset($constant) && isset($temp['constant'])) { - // Can only match if constants and class match. - $maymatch = $constant == $temp['constant'] && $childClass == $tempClass; - } else { - // Can only match if no constant expected and type matches or is generic. - $maymatch = !isset($child['constant']) && array_search($child['type'], array($temp['type'], self::TYPE_ANY, self::TYPE_CHOICE)) !== false; - } - } - - if ($maymatch) { - // Attempt submapping. - $candidate = $this->asn1map($temp, $child, $special); - $maymatch = $candidate !== null; - } - - if (!$maymatch) { - break; - } - - // Got the match: use it. - if (isset($special[$key])) { - $candidate = call_user_func($special[$key], $candidate); - } - $map[$key] = $candidate; - break; - } - } - - foreach ($mapping['children'] as $key => $child) { - if (!isset($map[$key])) { - if (isset($child['default'])) { - $map[$key] = $child['default']; - } elseif (!isset($child['optional'])) { - return null; - } - } - } - return $map; - case self::TYPE_OBJECT_IDENTIFIER: - return isset($this->oids[$decoded['content']]) ? $this->oids[$decoded['content']] : $decoded['content']; - case self::TYPE_UTC_TIME: - case self::TYPE_GENERALIZED_TIME: - if (isset($mapping['implicit'])) { - $decoded['content'] = $this->_decodeTime($decoded['content'], $decoded['type']); - } - return $decoded['content'] ? $decoded['content']->format($this->format) : false; - case self::TYPE_BIT_STRING: - if (isset($mapping['mapping'])) { - $offset = ord($decoded['content'][0]); - $size = (strlen($decoded['content']) - 1) * 8 - $offset; - /* - From X.680-0207.pdf#page=46 (21.7): - - "When a "NamedBitList" is used in defining a bitstring type ASN.1 encoding rules are free to add (or remove) - arbitrarily any trailing 0 bits to (or from) values that are being encoded or decoded. Application designers should - therefore ensure that different semantics are not associated with such values which differ only in the number of trailing - 0 bits." - */ - $bits = count($mapping['mapping']) == $size ? array() : array_fill(0, count($mapping['mapping']) - $size, false); - for ($i = strlen($decoded['content']) - 1; $i > 0; $i--) { - $current = ord($decoded['content'][$i]); - for ($j = $offset; $j < 8; $j++) { - $bits[] = (bool) ($current & (1 << $j)); - } - $offset = 0; - } - $values = array(); - $map = array_reverse($mapping['mapping']); - foreach ($map as $i => $value) { - if ($bits[$i]) { - $values[] = $value; - } - } - return $values; - } - case self::TYPE_OCTET_STRING: - return base64_encode($decoded['content']); - case self::TYPE_NULL: - return ''; - case self::TYPE_BOOLEAN: - return $decoded['content']; - case self::TYPE_NUMERIC_STRING: - case self::TYPE_PRINTABLE_STRING: - case self::TYPE_TELETEX_STRING: - case self::TYPE_VIDEOTEX_STRING: - case self::TYPE_IA5_STRING: - case self::TYPE_GRAPHIC_STRING: - case self::TYPE_VISIBLE_STRING: - case self::TYPE_GENERAL_STRING: - case self::TYPE_UNIVERSAL_STRING: - case self::TYPE_UTF8_STRING: - case self::TYPE_BMP_STRING: - return $decoded['content']; - case self::TYPE_INTEGER: - case self::TYPE_ENUMERATED: - $temp = $decoded['content']; - if (isset($mapping['implicit'])) { - $temp = new BigInteger($decoded['content'], -256); - } - if (isset($mapping['mapping'])) { - $temp = (int) $temp->toString(); - return isset($mapping['mapping'][$temp]) ? - $mapping['mapping'][$temp] : - false; - } - return $temp; - } - } - - /** - * ASN.1 Encode - * - * DER-encodes an ASN.1 semantic mapping ($mapping). Some libraries would probably call this function - * an ASN.1 compiler. - * - * "Special" mappings can be applied via $special. - * - * @param string $source - * @param string $mapping - * @param int $idx - * @return string - * @access public - */ - function encodeDER($source, $mapping, $special = array()) - { - $this->location = array(); - return $this->_encode_der($source, $mapping, null, $special); - } - - /** - * ASN.1 Encode (Helper function) - * - * @param string $source - * @param string $mapping - * @param int $idx - * @return string - * @access private - */ - function _encode_der($source, $mapping, $idx = null, $special = array()) - { - if ($source instanceof Element) { - return $source->element; - } - - // do not encode (implicitly optional) fields with value set to default - if (isset($mapping['default']) && $source === $mapping['default']) { - return ''; - } - - if (isset($idx)) { - if (isset($special[$idx])) { - $source = call_user_func($special[$idx], $source); - } - $this->location[] = $idx; - } - - $tag = $mapping['type']; - - switch ($tag) { - case self::TYPE_SET: // Children order is not important, thus process in sequence. - case self::TYPE_SEQUENCE: - $tag|= 0x20; // set the constructed bit - - // ignore the min and max - if (isset($mapping['min']) && isset($mapping['max'])) { - $value = array(); - $child = $mapping['children']; - - foreach ($source as $content) { - $temp = $this->_encode_der($content, $child, null, $special); - if ($temp === false) { - return false; - } - $value[]= $temp; - } - /* "The encodings of the component values of a set-of value shall appear in ascending order, the encodings being compared - as octet strings with the shorter components being padded at their trailing end with 0-octets. - NOTE - The padding octets are for comparison purposes only and do not appear in the encodings." - - -- sec 11.6 of http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf */ - if ($mapping['type'] == self::TYPE_SET) { - sort($value); - } - $value = implode('', $value); - break; - } - - $value = ''; - foreach ($mapping['children'] as $key => $child) { - if (!array_key_exists($key, $source)) { - if (!isset($child['optional'])) { - return false; - } - continue; - } - - $temp = $this->_encode_der($source[$key], $child, $key, $special); - if ($temp === false) { - return false; - } - - // An empty child encoding means it has been optimized out. - // Else we should have at least one tag byte. - if ($temp === '') { - continue; - } - - // if isset($child['constant']) is true then isset($child['optional']) should be true as well - if (isset($child['constant'])) { - /* - From X.680-0207.pdf#page=58 (30.6): - - "The tagging construction specifies explicit tagging if any of the following holds: - ... - c) the "Tag Type" alternative is used and the value of "TagDefault" for the module is IMPLICIT TAGS or - AUTOMATIC TAGS, but the type defined by "Type" is an untagged choice type, an untagged open type, or - an untagged "DummyReference" (see ITU-T Rec. X.683 | ISO/IEC 8824-4, 8.3)." - */ - if (isset($child['explicit']) || $child['type'] == self::TYPE_CHOICE) { - $subtag = chr((self::CLASS_CONTEXT_SPECIFIC << 6) | 0x20 | $child['constant']); - $temp = $subtag . $this->_encodeLength(strlen($temp)) . $temp; - } else { - $subtag = chr((self::CLASS_CONTEXT_SPECIFIC << 6) | (ord($temp[0]) & 0x20) | $child['constant']); - $temp = $subtag . substr($temp, 1); - } - } - $value.= $temp; - } - break; - case self::TYPE_CHOICE: - $temp = false; - - foreach ($mapping['children'] as $key => $child) { - if (!isset($source[$key])) { - continue; - } - - $temp = $this->_encode_der($source[$key], $child, $key, $special); - if ($temp === false) { - return false; - } - - // An empty child encoding means it has been optimized out. - // Else we should have at least one tag byte. - if ($temp === '') { - continue; - } - - $tag = ord($temp[0]); - - // if isset($child['constant']) is true then isset($child['optional']) should be true as well - if (isset($child['constant'])) { - if (isset($child['explicit']) || $child['type'] == self::TYPE_CHOICE) { - $subtag = chr((self::CLASS_CONTEXT_SPECIFIC << 6) | 0x20 | $child['constant']); - $temp = $subtag . $this->_encodeLength(strlen($temp)) . $temp; - } else { - $subtag = chr((self::CLASS_CONTEXT_SPECIFIC << 6) | (ord($temp[0]) & 0x20) | $child['constant']); - $temp = $subtag . substr($temp, 1); - } - } - } - - if (isset($idx)) { - array_pop($this->location); - } - - if ($temp && isset($mapping['cast'])) { - $temp[0] = chr(($mapping['class'] << 6) | ($tag & 0x20) | $mapping['cast']); - } - - return $temp; - case self::TYPE_INTEGER: - case self::TYPE_ENUMERATED: - if (!isset($mapping['mapping'])) { - if (is_numeric($source)) { - $source = new BigInteger($source); - } - $value = $source->toBytes(true); - } else { - $value = array_search($source, $mapping['mapping']); - if ($value === false) { - return false; - } - $value = new BigInteger($value); - $value = $value->toBytes(true); - } - if (!strlen($value)) { - $value = chr(0); - } - break; - case self::TYPE_UTC_TIME: - case self::TYPE_GENERALIZED_TIME: - $format = $mapping['type'] == self::TYPE_UTC_TIME ? 'y' : 'Y'; - $format.= 'mdHis'; - $date = new DateTime($source, new DateTimeZone('GMT')); - $value = $date->format($format) . 'Z'; - break; - case self::TYPE_BIT_STRING: - if (isset($mapping['mapping'])) { - $bits = array_fill(0, count($mapping['mapping']), 0); - $size = 0; - for ($i = 0; $i < count($mapping['mapping']); $i++) { - if (in_array($mapping['mapping'][$i], $source)) { - $bits[$i] = 1; - $size = $i; - } - } - - if (isset($mapping['min']) && $mapping['min'] >= 1 && $size < $mapping['min']) { - $size = $mapping['min'] - 1; - } - - $offset = 8 - (($size + 1) & 7); - $offset = $offset !== 8 ? $offset : 0; - - $value = chr($offset); - - for ($i = $size + 1; $i < count($mapping['mapping']); $i++) { - unset($bits[$i]); - } - - $bits = implode('', array_pad($bits, $size + $offset + 1, 0)); - $bytes = explode(' ', rtrim(chunk_split($bits, 8, ' '))); - foreach ($bytes as $byte) { - $value.= chr(bindec($byte)); - } - - break; - } - case self::TYPE_OCTET_STRING: - /* The initial octet shall encode, as an unsigned binary integer with bit 1 as the least significant bit, - the number of unused bits in the final subsequent octet. The number shall be in the range zero to seven. - - -- http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#page=16 */ - $value = base64_decode($source); - break; - case self::TYPE_OBJECT_IDENTIFIER: - $oid = preg_match('#(?:\d+\.)+#', $source) ? $source : array_search($source, $this->oids); - if ($oid === false) { - user_error('Invalid OID'); - return false; - } - $value = ''; - $parts = explode('.', $oid); - $value = chr(40 * $parts[0] + $parts[1]); - for ($i = 2; $i < count($parts); $i++) { - $temp = ''; - if (!$parts[$i]) { - $temp = "\0"; - } else { - while ($parts[$i]) { - $temp = chr(0x80 | ($parts[$i] & 0x7F)) . $temp; - $parts[$i] >>= 7; - } - $temp[strlen($temp) - 1] = $temp[strlen($temp) - 1] & chr(0x7F); - } - $value.= $temp; - } - break; - case self::TYPE_ANY: - $loc = $this->location; - if (isset($idx)) { - array_pop($this->location); - } - - switch (true) { - case !isset($source): - return $this->_encode_der(null, array('type' => self::TYPE_NULL) + $mapping, null, $special); - case is_int($source): - case $source instanceof BigInteger: - return $this->_encode_der($source, array('type' => self::TYPE_INTEGER) + $mapping, null, $special); - case is_float($source): - return $this->_encode_der($source, array('type' => self::TYPE_REAL) + $mapping, null, $special); - case is_bool($source): - return $this->_encode_der($source, array('type' => self::TYPE_BOOLEAN) + $mapping, null, $special); - case is_array($source) && count($source) == 1: - $typename = implode('', array_keys($source)); - $outtype = array_search($typename, $this->ANYmap, true); - if ($outtype !== false) { - return $this->_encode_der($source[$typename], array('type' => $outtype) + $mapping, null, $special); - } - } - - $filters = $this->filters; - foreach ($loc as $part) { - if (!isset($filters[$part])) { - $filters = false; - break; - } - $filters = $filters[$part]; - } - if ($filters === false) { - user_error('No filters defined for ' . implode('/', $loc)); - return false; - } - return $this->_encode_der($source, $filters + $mapping, null, $special); - case self::TYPE_NULL: - $value = ''; - break; - case self::TYPE_NUMERIC_STRING: - case self::TYPE_TELETEX_STRING: - case self::TYPE_PRINTABLE_STRING: - case self::TYPE_UNIVERSAL_STRING: - case self::TYPE_UTF8_STRING: - case self::TYPE_BMP_STRING: - case self::TYPE_IA5_STRING: - case self::TYPE_VISIBLE_STRING: - case self::TYPE_VIDEOTEX_STRING: - case self::TYPE_GRAPHIC_STRING: - case self::TYPE_GENERAL_STRING: - $value = $source; - break; - case self::TYPE_BOOLEAN: - $value = $source ? "\xFF" : "\x00"; - break; - default: - user_error('Mapping provides no type definition for ' . implode('/', $this->location)); - return false; - } - - if (isset($idx)) { - array_pop($this->location); - } - - if (isset($mapping['cast'])) { - if (isset($mapping['explicit']) || $mapping['type'] == self::TYPE_CHOICE) { - $value = chr($tag) . $this->_encodeLength(strlen($value)) . $value; - $tag = ($mapping['class'] << 6) | 0x20 | $mapping['cast']; - } else { - $tag = ($mapping['class'] << 6) | (ord($temp[0]) & 0x20) | $mapping['cast']; - } - } - - return chr($tag) . $this->_encodeLength(strlen($value)) . $value; - } - - /** - * DER-encode the length - * - * DER supports lengths up to (2**8)**127, however, we'll only support lengths up to (2**8)**4. See - * {@link http://itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#p=13 X.690 paragraph 8.1.3} for more information. - * - * @access private - * @param int $length - * @return string - */ - function _encodeLength($length) - { - if ($length <= 0x7F) { - return chr($length); - } - - $temp = ltrim(pack('N', $length), chr(0)); - return pack('Ca*', 0x80 | strlen($temp), $temp); - } - - /** - * BER-decode the time - * - * Called by _decode_ber() and in the case of implicit tags asn1map(). - * - * @access private - * @param string $content - * @param int $tag - * @return string - */ - function _decodeTime($content, $tag) - { - /* UTCTime: - http://tools.ietf.org/html/rfc5280#section-4.1.2.5.1 - http://www.obj-sys.com/asn1tutorial/node15.html - - GeneralizedTime: - http://tools.ietf.org/html/rfc5280#section-4.1.2.5.2 - http://www.obj-sys.com/asn1tutorial/node14.html */ - - $format = 'YmdHis'; - - if ($tag == self::TYPE_UTC_TIME) { - // https://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#page=28 says "the seconds - // element shall always be present" but none-the-less I've seen X509 certs where it isn't and if the - // browsers parse it phpseclib ought to too - if (preg_match('#^(\d{10})(Z|[+-]\d{4})$#', $content, $matches)) { - $content = $matches[1] . '00' . $matches[2]; - } - $prefix = substr($content, 0, 2) >= 50 ? '19' : '20'; - $content = $prefix . $content; - } elseif (strpos($content, '.') !== false) { - $format.= '.u'; - } - - if ($content[strlen($content) - 1] == 'Z') { - $content = substr($content, 0, -1) . '+0000'; - } - - if (strpos($content, '-') !== false || strpos($content, '+') !== false) { - $format.= 'O'; - } - - // error supression isn't necessary as of PHP 7.0: - // http://php.net/manual/en/migration70.other-changes.php - return @DateTime::createFromFormat($format, $content); - } - - /** - * Set the time format - * - * Sets the time / date format for asn1map(). - * - * @access public - * @param string $format - */ - function setTimeFormat($format) - { - $this->format = $format; - } - - /** - * Load OIDs - * - * Load the relevant OIDs for a particular ASN.1 semantic mapping. - * - * @access public - * @param array $oids - */ - function loadOIDs($oids) - { - $this->oids = $oids; - } - - /** - * Load filters - * - * See \phpseclib\File\X509, etc, for an example. - * - * @access public - * @param array $filters - */ - function loadFilters($filters) - { - $this->filters = $filters; - } - - /** - * String Shift - * - * Inspired by array_shift - * - * @param string $string - * @param int $index - * @return string - * @access private - */ - function _string_shift(&$string, $index = 1) - { - $substr = substr($string, 0, $index); - $string = substr($string, $index); - return $substr; - } - - /** - * String type conversion - * - * This is a lazy conversion, dealing only with character size. - * No real conversion table is used. - * - * @param string $in - * @param int $from - * @param int $to - * @return string - * @access public - */ - function convert($in, $from = self::TYPE_UTF8_STRING, $to = self::TYPE_UTF8_STRING) - { - if (!isset($this->stringTypeSize[$from]) || !isset($this->stringTypeSize[$to])) { - return false; - } - $insize = $this->stringTypeSize[$from]; - $outsize = $this->stringTypeSize[$to]; - $inlength = strlen($in); - $out = ''; - - for ($i = 0; $i < $inlength;) { - if ($inlength - $i < $insize) { - return false; - } - - // Get an input character as a 32-bit value. - $c = ord($in[$i++]); - switch (true) { - case $insize == 4: - $c = ($c << 8) | ord($in[$i++]); - $c = ($c << 8) | ord($in[$i++]); - case $insize == 2: - $c = ($c << 8) | ord($in[$i++]); - case $insize == 1: - break; - case ($c & 0x80) == 0x00: - break; - case ($c & 0x40) == 0x00: - return false; - default: - $bit = 6; - do { - if ($bit > 25 || $i >= $inlength || (ord($in[$i]) & 0xC0) != 0x80) { - return false; - } - $c = ($c << 6) | (ord($in[$i++]) & 0x3F); - $bit += 5; - $mask = 1 << $bit; - } while ($c & $bit); - $c &= $mask - 1; - break; - } - - // Convert and append the character to output string. - $v = ''; - switch (true) { - case $outsize == 4: - $v .= chr($c & 0xFF); - $c >>= 8; - $v .= chr($c & 0xFF); - $c >>= 8; - case $outsize == 2: - $v .= chr($c & 0xFF); - $c >>= 8; - case $outsize == 1: - $v .= chr($c & 0xFF); - $c >>= 8; - if ($c) { - return false; - } - break; - case ($c & 0x80000000) != 0: - return false; - case $c >= 0x04000000: - $v .= chr(0x80 | ($c & 0x3F)); - $c = ($c >> 6) | 0x04000000; - case $c >= 0x00200000: - $v .= chr(0x80 | ($c & 0x3F)); - $c = ($c >> 6) | 0x00200000; - case $c >= 0x00010000: - $v .= chr(0x80 | ($c & 0x3F)); - $c = ($c >> 6) | 0x00010000; - case $c >= 0x00000800: - $v .= chr(0x80 | ($c & 0x3F)); - $c = ($c >> 6) | 0x00000800; - case $c >= 0x00000080: - $v .= chr(0x80 | ($c & 0x3F)); - $c = ($c >> 6) | 0x000000C0; - default: - $v .= chr($c); - break; - } - $out .= strrev($v); - } - return $out; - } -} diff --git a/lib/phpseclib/File/ASN1/Element.php b/lib/phpseclib/File/ASN1/Element.php deleted file mode 100644 index 68246e2b5cb..00000000000 --- a/lib/phpseclib/File/ASN1/Element.php +++ /dev/null @@ -1,47 +0,0 @@ - - * @copyright 2012 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1; - -/** - * ASN.1 Element - * - * Bypass normal encoding rules in phpseclib\File\ASN1::encodeDER() - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -class Element -{ - /** - * Raw element value - * - * @var string - * @access private - */ - var $element; - - /** - * Constructor - * - * @param string $encoded - * @return \phpseclib\File\ASN1\Element - * @access public - */ - function __construct($encoded) - { - $this->element = $encoded; - } -} diff --git a/lib/phpseclib/File/X509.php b/lib/phpseclib/File/X509.php deleted file mode 100644 index f3ee813773a..00000000000 --- a/lib/phpseclib/File/X509.php +++ /dev/null @@ -1,5046 +0,0 @@ - - * @copyright 2012 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File; - -use phpseclib\Crypt\Hash; -use phpseclib\Crypt\Random; -use phpseclib\Crypt\RSA; -use phpseclib\File\ASN1\Element; -use phpseclib\Math\BigInteger; -use DateTime; -use DateTimeZone; - -/** - * Pure-PHP X.509 Parser - * - * @package X509 - * @author Jim Wigginton - * @access public - */ -class X509 -{ - /** - * Flag to only accept signatures signed by certificate authorities - * - * Not really used anymore but retained all the same to suppress E_NOTICEs from old installs - * - * @access public - */ - const VALIDATE_SIGNATURE_BY_CA = 1; - - /**#@+ - * @access public - * @see \phpseclib\File\X509::getDN() - */ - /** - * Return internal array representation - */ - const DN_ARRAY = 0; - /** - * Return string - */ - const DN_STRING = 1; - /** - * Return ASN.1 name string - */ - const DN_ASN1 = 2; - /** - * Return OpenSSL compatible array - */ - const DN_OPENSSL = 3; - /** - * Return canonical ASN.1 RDNs string - */ - const DN_CANON = 4; - /** - * Return name hash for file indexing - */ - const DN_HASH = 5; - /**#@-*/ - - /**#@+ - * @access public - * @see \phpseclib\File\X509::saveX509() - * @see \phpseclib\File\X509::saveCSR() - * @see \phpseclib\File\X509::saveCRL() - */ - /** - * Save as PEM - * - * ie. a base64-encoded PEM with a header and a footer - */ - const FORMAT_PEM = 0; - /** - * Save as DER - */ - const FORMAT_DER = 1; - /** - * Save as a SPKAC - * - * Only works on CSRs. Not currently supported. - */ - const FORMAT_SPKAC = 2; - /** - * Auto-detect the format - * - * Used only by the load*() functions - */ - const FORMAT_AUTO_DETECT = 3; - /**#@-*/ - - /** - * Attribute value disposition. - * If disposition is >= 0, this is the index of the target value. - */ - const ATTR_ALL = -1; // All attribute values (array). - const ATTR_APPEND = -2; // Add a value. - const ATTR_REPLACE = -3; // Clear first, then add a value. - - /** - * ASN.1 syntax for X.509 certificates - * - * @var array - * @access private - */ - var $Certificate; - - /**#@+ - * ASN.1 syntax for various extensions - * - * @access private - */ - var $DirectoryString; - var $PKCS9String; - var $AttributeValue; - var $Extensions; - var $KeyUsage; - var $ExtKeyUsageSyntax; - var $BasicConstraints; - var $KeyIdentifier; - var $CRLDistributionPoints; - var $AuthorityKeyIdentifier; - var $CertificatePolicies; - var $AuthorityInfoAccessSyntax; - var $SubjectAltName; - var $SubjectDirectoryAttributes; - var $PrivateKeyUsagePeriod; - var $IssuerAltName; - var $PolicyMappings; - var $NameConstraints; - - var $CPSuri; - var $UserNotice; - - var $netscape_cert_type; - var $netscape_comment; - var $netscape_ca_policy_url; - - var $Name; - var $RelativeDistinguishedName; - var $CRLNumber; - var $CRLReason; - var $IssuingDistributionPoint; - var $InvalidityDate; - var $CertificateIssuer; - var $HoldInstructionCode; - var $SignedPublicKeyAndChallenge; - /**#@-*/ - - /**#@+ - * ASN.1 syntax for various DN attributes - * - * @access private - */ - var $PostalAddress; - /**#@-*/ - - /** - * ASN.1 syntax for Certificate Signing Requests (RFC2986) - * - * @var array - * @access private - */ - var $CertificationRequest; - - /** - * ASN.1 syntax for Certificate Revocation Lists (RFC5280) - * - * @var array - * @access private - */ - var $CertificateList; - - /** - * Distinguished Name - * - * @var array - * @access private - */ - var $dn; - - /** - * Public key - * - * @var string - * @access private - */ - var $publicKey; - - /** - * Private key - * - * @var string - * @access private - */ - var $privateKey; - - /** - * Object identifiers for X.509 certificates - * - * @var array - * @access private - * @link http://en.wikipedia.org/wiki/Object_identifier - */ - var $oids; - - /** - * The certificate authorities - * - * @var array - * @access private - */ - var $CAs; - - /** - * The currently loaded certificate - * - * @var array - * @access private - */ - var $currentCert; - - /** - * The signature subject - * - * There's no guarantee \phpseclib\File\X509 is going to re-encode an X.509 cert in the same way it was originally - * encoded so we take save the portion of the original cert that the signature would have made for. - * - * @var string - * @access private - */ - var $signatureSubject; - - /** - * Certificate Start Date - * - * @var string - * @access private - */ - var $startDate; - - /** - * Certificate End Date - * - * @var string - * @access private - */ - var $endDate; - - /** - * Serial Number - * - * @var string - * @access private - */ - var $serialNumber; - - /** - * Key Identifier - * - * See {@link http://tools.ietf.org/html/rfc5280#section-4.2.1.1 RFC5280#section-4.2.1.1} and - * {@link http://tools.ietf.org/html/rfc5280#section-4.2.1.2 RFC5280#section-4.2.1.2}. - * - * @var string - * @access private - */ - var $currentKeyIdentifier; - - /** - * CA Flag - * - * @var bool - * @access private - */ - var $caFlag = false; - - /** - * SPKAC Challenge - * - * @var string - * @access private - */ - var $challenge; - - /** - * Recursion Limit - * - * @var int - * @access private - */ - static $recur_limit = 5; - - /** - * URL fetch flag - * - * @var bool - * @access private - */ - static $disable_url_fetch = false; - - /** - * Default Constructor. - * - * @return \phpseclib\File\X509 - * @access public - */ - function __construct() - { - // Explicitly Tagged Module, 1988 Syntax - // http://tools.ietf.org/html/rfc5280#appendix-A.1 - - $this->DirectoryString = array( - 'type' => ASN1::TYPE_CHOICE, - 'children' => array( - 'teletexString' => array('type' => ASN1::TYPE_TELETEX_STRING), - 'printableString' => array('type' => ASN1::TYPE_PRINTABLE_STRING), - 'universalString' => array('type' => ASN1::TYPE_UNIVERSAL_STRING), - 'utf8String' => array('type' => ASN1::TYPE_UTF8_STRING), - 'bmpString' => array('type' => ASN1::TYPE_BMP_STRING) - ) - ); - - $this->PKCS9String = array( - 'type' => ASN1::TYPE_CHOICE, - 'children' => array( - 'ia5String' => array('type' => ASN1::TYPE_IA5_STRING), - 'directoryString' => $this->DirectoryString - ) - ); - - $this->AttributeValue = array('type' => ASN1::TYPE_ANY); - - $AttributeType = array('type' => ASN1::TYPE_OBJECT_IDENTIFIER); - - $AttributeTypeAndValue = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'type' => $AttributeType, - 'value'=> $this->AttributeValue - ) - ); - - /* - In practice, RDNs containing multiple name-value pairs (called "multivalued RDNs") are rare, - but they can be useful at times when either there is no unique attribute in the entry or you - want to ensure that the entry's DN contains some useful identifying information. - - - https://www.opends.org/wiki/page/DefinitionRelativeDistinguishedName - */ - $this->RelativeDistinguishedName = array( - 'type' => ASN1::TYPE_SET, - 'min' => 1, - 'max' => -1, - 'children' => $AttributeTypeAndValue - ); - - // http://tools.ietf.org/html/rfc5280#section-4.1.2.4 - $RDNSequence = array( - 'type' => ASN1::TYPE_SEQUENCE, - // RDNSequence does not define a min or a max, which means it doesn't have one - 'min' => 0, - 'max' => -1, - 'children' => $this->RelativeDistinguishedName - ); - - $this->Name = array( - 'type' => ASN1::TYPE_CHOICE, - 'children' => array( - 'rdnSequence' => $RDNSequence - ) - ); - - // http://tools.ietf.org/html/rfc5280#section-4.1.1.2 - $AlgorithmIdentifier = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'algorithm' => array('type' => ASN1::TYPE_OBJECT_IDENTIFIER), - 'parameters' => array( - 'type' => ASN1::TYPE_ANY, - 'optional' => true - ) - ) - ); - - /* - A certificate using system MUST reject the certificate if it encounters - a critical extension it does not recognize; however, a non-critical - extension may be ignored if it is not recognized. - - http://tools.ietf.org/html/rfc5280#section-4.2 - */ - $Extension = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'extnId' => array('type' => ASN1::TYPE_OBJECT_IDENTIFIER), - 'critical' => array( - 'type' => ASN1::TYPE_BOOLEAN, - 'optional' => true, - 'default' => false - ), - 'extnValue' => array('type' => ASN1::TYPE_OCTET_STRING) - ) - ); - - $this->Extensions = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - // technically, it's MAX, but we'll assume anything < 0 is MAX - 'max' => -1, - // if 'children' isn't an array then 'min' and 'max' must be defined - 'children' => $Extension - ); - - $SubjectPublicKeyInfo = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'algorithm' => $AlgorithmIdentifier, - 'subjectPublicKey' => array('type' => ASN1::TYPE_BIT_STRING) - ) - ); - - $UniqueIdentifier = array('type' => ASN1::TYPE_BIT_STRING); - - $Time = array( - 'type' => ASN1::TYPE_CHOICE, - 'children' => array( - 'utcTime' => array('type' => ASN1::TYPE_UTC_TIME), - 'generalTime' => array('type' => ASN1::TYPE_GENERALIZED_TIME) - ) - ); - - // http://tools.ietf.org/html/rfc5280#section-4.1.2.5 - $Validity = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'notBefore' => $Time, - 'notAfter' => $Time - ) - ); - - $CertificateSerialNumber = array('type' => ASN1::TYPE_INTEGER); - - $Version = array( - 'type' => ASN1::TYPE_INTEGER, - 'mapping' => array('v1', 'v2', 'v3') - ); - - // assert($TBSCertificate['children']['signature'] == $Certificate['children']['signatureAlgorithm']) - $TBSCertificate = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - // technically, default implies optional, but we'll define it as being optional, none-the-less, just to - // reenforce that fact - 'version' => array( - 'constant' => 0, - 'optional' => true, - 'explicit' => true, - 'default' => 'v1' - ) + $Version, - 'serialNumber' => $CertificateSerialNumber, - 'signature' => $AlgorithmIdentifier, - 'issuer' => $this->Name, - 'validity' => $Validity, - 'subject' => $this->Name, - 'subjectPublicKeyInfo' => $SubjectPublicKeyInfo, - // implicit means that the T in the TLV structure is to be rewritten, regardless of the type - 'issuerUniqueID' => array( - 'constant' => 1, - 'optional' => true, - 'implicit' => true - ) + $UniqueIdentifier, - 'subjectUniqueID' => array( - 'constant' => 2, - 'optional' => true, - 'implicit' => true - ) + $UniqueIdentifier, - // doesn't use the EXPLICIT keyword but if - // it's not IMPLICIT, it's EXPLICIT - 'extensions' => array( - 'constant' => 3, - 'optional' => true, - 'explicit' => true - ) + $this->Extensions - ) - ); - - $this->Certificate = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'tbsCertificate' => $TBSCertificate, - 'signatureAlgorithm' => $AlgorithmIdentifier, - 'signature' => array('type' => ASN1::TYPE_BIT_STRING) - ) - ); - - $this->KeyUsage = array( - 'type' => ASN1::TYPE_BIT_STRING, - 'mapping' => array( - 'digitalSignature', - 'nonRepudiation', - 'keyEncipherment', - 'dataEncipherment', - 'keyAgreement', - 'keyCertSign', - 'cRLSign', - 'encipherOnly', - 'decipherOnly' - ) - ); - - $this->BasicConstraints = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'cA' => array( - 'type' => ASN1::TYPE_BOOLEAN, - 'optional' => true, - 'default' => false - ), - 'pathLenConstraint' => array( - 'type' => ASN1::TYPE_INTEGER, - 'optional' => true - ) - ) - ); - - $this->KeyIdentifier = array('type' => ASN1::TYPE_OCTET_STRING); - - $OrganizationalUnitNames = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => 4, // ub-organizational-units - 'children' => array('type' => ASN1::TYPE_PRINTABLE_STRING) - ); - - $PersonalName = array( - 'type' => ASN1::TYPE_SET, - 'children' => array( - 'surname' => array( - 'type' => ASN1::TYPE_PRINTABLE_STRING, - 'constant' => 0, - 'optional' => true, - 'implicit' => true - ), - 'given-name' => array( - 'type' => ASN1::TYPE_PRINTABLE_STRING, - 'constant' => 1, - 'optional' => true, - 'implicit' => true - ), - 'initials' => array( - 'type' => ASN1::TYPE_PRINTABLE_STRING, - 'constant' => 2, - 'optional' => true, - 'implicit' => true - ), - 'generation-qualifier' => array( - 'type' => ASN1::TYPE_PRINTABLE_STRING, - 'constant' => 3, - 'optional' => true, - 'implicit' => true - ) - ) - ); - - $NumericUserIdentifier = array('type' => ASN1::TYPE_NUMERIC_STRING); - - $OrganizationName = array('type' => ASN1::TYPE_PRINTABLE_STRING); - - $PrivateDomainName = array( - 'type' => ASN1::TYPE_CHOICE, - 'children' => array( - 'numeric' => array('type' => ASN1::TYPE_NUMERIC_STRING), - 'printable' => array('type' => ASN1::TYPE_PRINTABLE_STRING) - ) - ); - - $TerminalIdentifier = array('type' => ASN1::TYPE_PRINTABLE_STRING); - - $NetworkAddress = array('type' => ASN1::TYPE_NUMERIC_STRING); - - $AdministrationDomainName = array( - 'type' => ASN1::TYPE_CHOICE, - // if class isn't present it's assumed to be \phpseclib\File\ASN1::CLASS_UNIVERSAL or - // (if constant is present) \phpseclib\File\ASN1::CLASS_CONTEXT_SPECIFIC - 'class' => ASN1::CLASS_APPLICATION, - 'cast' => 2, - 'children' => array( - 'numeric' => array('type' => ASN1::TYPE_NUMERIC_STRING), - 'printable' => array('type' => ASN1::TYPE_PRINTABLE_STRING) - ) - ); - - $CountryName = array( - 'type' => ASN1::TYPE_CHOICE, - // if class isn't present it's assumed to be \phpseclib\File\ASN1::CLASS_UNIVERSAL or - // (if constant is present) \phpseclib\File\ASN1::CLASS_CONTEXT_SPECIFIC - 'class' => ASN1::CLASS_APPLICATION, - 'cast' => 1, - 'children' => array( - 'x121-dcc-code' => array('type' => ASN1::TYPE_NUMERIC_STRING), - 'iso-3166-alpha2-code' => array('type' => ASN1::TYPE_PRINTABLE_STRING) - ) - ); - - $AnotherName = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'type-id' => array('type' => ASN1::TYPE_OBJECT_IDENTIFIER), - 'value' => array( - 'type' => ASN1::TYPE_ANY, - 'constant' => 0, - 'optional' => true, - 'explicit' => true - ) - ) - ); - - $ExtensionAttribute = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'extension-attribute-type' => array( - 'type' => ASN1::TYPE_PRINTABLE_STRING, - 'constant' => 0, - 'optional' => true, - 'implicit' => true - ), - 'extension-attribute-value' => array( - 'type' => ASN1::TYPE_ANY, - 'constant' => 1, - 'optional' => true, - 'explicit' => true - ) - ) - ); - - $ExtensionAttributes = array( - 'type' => ASN1::TYPE_SET, - 'min' => 1, - 'max' => 256, // ub-extension-attributes - 'children' => $ExtensionAttribute - ); - - $BuiltInDomainDefinedAttribute = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'type' => array('type' => ASN1::TYPE_PRINTABLE_STRING), - 'value' => array('type' => ASN1::TYPE_PRINTABLE_STRING) - ) - ); - - $BuiltInDomainDefinedAttributes = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => 4, // ub-domain-defined-attributes - 'children' => $BuiltInDomainDefinedAttribute - ); - - $BuiltInStandardAttributes = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'country-name' => array('optional' => true) + $CountryName, - 'administration-domain-name' => array('optional' => true) + $AdministrationDomainName, - 'network-address' => array( - 'constant' => 0, - 'optional' => true, - 'implicit' => true - ) + $NetworkAddress, - 'terminal-identifier' => array( - 'constant' => 1, - 'optional' => true, - 'implicit' => true - ) + $TerminalIdentifier, - 'private-domain-name' => array( - 'constant' => 2, - 'optional' => true, - 'explicit' => true - ) + $PrivateDomainName, - 'organization-name' => array( - 'constant' => 3, - 'optional' => true, - 'implicit' => true - ) + $OrganizationName, - 'numeric-user-identifier' => array( - 'constant' => 4, - 'optional' => true, - 'implicit' => true - ) + $NumericUserIdentifier, - 'personal-name' => array( - 'constant' => 5, - 'optional' => true, - 'implicit' => true - ) + $PersonalName, - 'organizational-unit-names' => array( - 'constant' => 6, - 'optional' => true, - 'implicit' => true - ) + $OrganizationalUnitNames - ) - ); - - $ORAddress = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'built-in-standard-attributes' => $BuiltInStandardAttributes, - 'built-in-domain-defined-attributes' => array('optional' => true) + $BuiltInDomainDefinedAttributes, - 'extension-attributes' => array('optional' => true) + $ExtensionAttributes - ) - ); - - $EDIPartyName = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'nameAssigner' => array( - 'constant' => 0, - 'optional' => true, - 'implicit' => true - ) + $this->DirectoryString, - // partyName is technically required but \phpseclib\File\ASN1 doesn't currently support non-optional constants and - // setting it to optional gets the job done in any event. - 'partyName' => array( - 'constant' => 1, - 'optional' => true, - 'implicit' => true - ) + $this->DirectoryString - ) - ); - - $GeneralName = array( - 'type' => ASN1::TYPE_CHOICE, - 'children' => array( - 'otherName' => array( - 'constant' => 0, - 'optional' => true, - 'implicit' => true - ) + $AnotherName, - 'rfc822Name' => array( - 'type' => ASN1::TYPE_IA5_STRING, - 'constant' => 1, - 'optional' => true, - 'implicit' => true - ), - 'dNSName' => array( - 'type' => ASN1::TYPE_IA5_STRING, - 'constant' => 2, - 'optional' => true, - 'implicit' => true - ), - 'x400Address' => array( - 'constant' => 3, - 'optional' => true, - 'implicit' => true - ) + $ORAddress, - 'directoryName' => array( - 'constant' => 4, - 'optional' => true, - 'explicit' => true - ) + $this->Name, - 'ediPartyName' => array( - 'constant' => 5, - 'optional' => true, - 'implicit' => true - ) + $EDIPartyName, - 'uniformResourceIdentifier' => array( - 'type' => ASN1::TYPE_IA5_STRING, - 'constant' => 6, - 'optional' => true, - 'implicit' => true - ), - 'iPAddress' => array( - 'type' => ASN1::TYPE_OCTET_STRING, - 'constant' => 7, - 'optional' => true, - 'implicit' => true - ), - 'registeredID' => array( - 'type' => ASN1::TYPE_OBJECT_IDENTIFIER, - 'constant' => 8, - 'optional' => true, - 'implicit' => true - ) - ) - ); - - $GeneralNames = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => -1, - 'children' => $GeneralName - ); - - $this->IssuerAltName = $GeneralNames; - - $ReasonFlags = array( - 'type' => ASN1::TYPE_BIT_STRING, - 'mapping' => array( - 'unused', - 'keyCompromise', - 'cACompromise', - 'affiliationChanged', - 'superseded', - 'cessationOfOperation', - 'certificateHold', - 'privilegeWithdrawn', - 'aACompromise' - ) - ); - - $DistributionPointName = array( - 'type' => ASN1::TYPE_CHOICE, - 'children' => array( - 'fullName' => array( - 'constant' => 0, - 'optional' => true, - 'implicit' => true - ) + $GeneralNames, - 'nameRelativeToCRLIssuer' => array( - 'constant' => 1, - 'optional' => true, - 'implicit' => true - ) + $this->RelativeDistinguishedName - ) - ); - - $DistributionPoint = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'distributionPoint' => array( - 'constant' => 0, - 'optional' => true, - 'explicit' => true - ) + $DistributionPointName, - 'reasons' => array( - 'constant' => 1, - 'optional' => true, - 'implicit' => true - ) + $ReasonFlags, - 'cRLIssuer' => array( - 'constant' => 2, - 'optional' => true, - 'implicit' => true - ) + $GeneralNames - ) - ); - - $this->CRLDistributionPoints = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => -1, - 'children' => $DistributionPoint - ); - - $this->AuthorityKeyIdentifier = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'keyIdentifier' => array( - 'constant' => 0, - 'optional' => true, - 'implicit' => true - ) + $this->KeyIdentifier, - 'authorityCertIssuer' => array( - 'constant' => 1, - 'optional' => true, - 'implicit' => true - ) + $GeneralNames, - 'authorityCertSerialNumber' => array( - 'constant' => 2, - 'optional' => true, - 'implicit' => true - ) + $CertificateSerialNumber - ) - ); - - $PolicyQualifierId = array('type' => ASN1::TYPE_OBJECT_IDENTIFIER); - - $PolicyQualifierInfo = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'policyQualifierId' => $PolicyQualifierId, - 'qualifier' => array('type' => ASN1::TYPE_ANY) - ) - ); - - $CertPolicyId = array('type' => ASN1::TYPE_OBJECT_IDENTIFIER); - - $PolicyInformation = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'policyIdentifier' => $CertPolicyId, - 'policyQualifiers' => array( - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 0, - 'max' => -1, - 'optional' => true, - 'children' => $PolicyQualifierInfo - ) - ) - ); - - $this->CertificatePolicies = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => -1, - 'children' => $PolicyInformation - ); - - $this->PolicyMappings = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => -1, - 'children' => array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'issuerDomainPolicy' => $CertPolicyId, - 'subjectDomainPolicy' => $CertPolicyId - ) - ) - ); - - $KeyPurposeId = array('type' => ASN1::TYPE_OBJECT_IDENTIFIER); - - $this->ExtKeyUsageSyntax = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => -1, - 'children' => $KeyPurposeId - ); - - $AccessDescription = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'accessMethod' => array('type' => ASN1::TYPE_OBJECT_IDENTIFIER), - 'accessLocation' => $GeneralName - ) - ); - - $this->AuthorityInfoAccessSyntax = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => -1, - 'children' => $AccessDescription - ); - - $this->SubjectAltName = $GeneralNames; - - $this->PrivateKeyUsagePeriod = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'notBefore' => array( - 'constant' => 0, - 'optional' => true, - 'implicit' => true, - 'type' => ASN1::TYPE_GENERALIZED_TIME), - 'notAfter' => array( - 'constant' => 1, - 'optional' => true, - 'implicit' => true, - 'type' => ASN1::TYPE_GENERALIZED_TIME) - ) - ); - - $BaseDistance = array('type' => ASN1::TYPE_INTEGER); - - $GeneralSubtree = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'base' => $GeneralName, - 'minimum' => array( - 'constant' => 0, - 'optional' => true, - 'implicit' => true, - 'default' => new BigInteger(0) - ) + $BaseDistance, - 'maximum' => array( - 'constant' => 1, - 'optional' => true, - 'implicit' => true, - ) + $BaseDistance - ) - ); - - $GeneralSubtrees = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => -1, - 'children' => $GeneralSubtree - ); - - $this->NameConstraints = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'permittedSubtrees' => array( - 'constant' => 0, - 'optional' => true, - 'implicit' => true - ) + $GeneralSubtrees, - 'excludedSubtrees' => array( - 'constant' => 1, - 'optional' => true, - 'implicit' => true - ) + $GeneralSubtrees - ) - ); - - $this->CPSuri = array('type' => ASN1::TYPE_IA5_STRING); - - $DisplayText = array( - 'type' => ASN1::TYPE_CHOICE, - 'children' => array( - 'ia5String' => array('type' => ASN1::TYPE_IA5_STRING), - 'visibleString' => array('type' => ASN1::TYPE_VISIBLE_STRING), - 'bmpString' => array('type' => ASN1::TYPE_BMP_STRING), - 'utf8String' => array('type' => ASN1::TYPE_UTF8_STRING) - ) - ); - - $NoticeReference = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'organization' => $DisplayText, - 'noticeNumbers' => array( - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => 200, - 'children' => array('type' => ASN1::TYPE_INTEGER) - ) - ) - ); - - $this->UserNotice = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'noticeRef' => array( - 'optional' => true, - 'implicit' => true - ) + $NoticeReference, - 'explicitText' => array( - 'optional' => true, - 'implicit' => true - ) + $DisplayText - ) - ); - - // mapping is from - $this->netscape_cert_type = array( - 'type' => ASN1::TYPE_BIT_STRING, - 'mapping' => array( - 'SSLClient', - 'SSLServer', - 'Email', - 'ObjectSigning', - 'Reserved', - 'SSLCA', - 'EmailCA', - 'ObjectSigningCA' - ) - ); - - $this->netscape_comment = array('type' => ASN1::TYPE_IA5_STRING); - $this->netscape_ca_policy_url = array('type' => ASN1::TYPE_IA5_STRING); - - // attribute is used in RFC2986 but we're using the RFC5280 definition - - $Attribute = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'type' => $AttributeType, - 'value'=> array( - 'type' => ASN1::TYPE_SET, - 'min' => 1, - 'max' => -1, - 'children' => $this->AttributeValue - ) - ) - ); - - $this->SubjectDirectoryAttributes = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => -1, - 'children' => $Attribute - ); - - // adapted from - - $Attributes = array( - 'type' => ASN1::TYPE_SET, - 'min' => 1, - 'max' => -1, - 'children' => $Attribute - ); - - $CertificationRequestInfo = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'version' => array( - 'type' => ASN1::TYPE_INTEGER, - 'mapping' => array('v1') - ), - 'subject' => $this->Name, - 'subjectPKInfo' => $SubjectPublicKeyInfo, - 'attributes' => array( - 'constant' => 0, - 'optional' => true, - 'implicit' => true - ) + $Attributes, - ) - ); - - $this->CertificationRequest = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'certificationRequestInfo' => $CertificationRequestInfo, - 'signatureAlgorithm' => $AlgorithmIdentifier, - 'signature' => array('type' => ASN1::TYPE_BIT_STRING) - ) - ); - - $RevokedCertificate = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'userCertificate' => $CertificateSerialNumber, - 'revocationDate' => $Time, - 'crlEntryExtensions' => array( - 'optional' => true - ) + $this->Extensions - ) - ); - - $TBSCertList = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'version' => array( - 'optional' => true, - 'default' => 'v1' - ) + $Version, - 'signature' => $AlgorithmIdentifier, - 'issuer' => $this->Name, - 'thisUpdate' => $Time, - 'nextUpdate' => array( - 'optional' => true - ) + $Time, - 'revokedCertificates' => array( - 'type' => ASN1::TYPE_SEQUENCE, - 'optional' => true, - 'min' => 0, - 'max' => -1, - 'children' => $RevokedCertificate - ), - 'crlExtensions' => array( - 'constant' => 0, - 'optional' => true, - 'explicit' => true - ) + $this->Extensions - ) - ); - - $this->CertificateList = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'tbsCertList' => $TBSCertList, - 'signatureAlgorithm' => $AlgorithmIdentifier, - 'signature' => array('type' => ASN1::TYPE_BIT_STRING) - ) - ); - - $this->CRLNumber = array('type' => ASN1::TYPE_INTEGER); - - $this->CRLReason = array('type' => ASN1::TYPE_ENUMERATED, - 'mapping' => array( - 'unspecified', - 'keyCompromise', - 'cACompromise', - 'affiliationChanged', - 'superseded', - 'cessationOfOperation', - 'certificateHold', - // Value 7 is not used. - 8 => 'removeFromCRL', - 'privilegeWithdrawn', - 'aACompromise' - ) - ); - - $this->IssuingDistributionPoint = array('type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'distributionPoint' => array( - 'constant' => 0, - 'optional' => true, - 'explicit' => true - ) + $DistributionPointName, - 'onlyContainsUserCerts' => array( - 'type' => ASN1::TYPE_BOOLEAN, - 'constant' => 1, - 'optional' => true, - 'default' => false, - 'implicit' => true - ), - 'onlyContainsCACerts' => array( - 'type' => ASN1::TYPE_BOOLEAN, - 'constant' => 2, - 'optional' => true, - 'default' => false, - 'implicit' => true - ), - 'onlySomeReasons' => array( - 'constant' => 3, - 'optional' => true, - 'implicit' => true - ) + $ReasonFlags, - 'indirectCRL' => array( - 'type' => ASN1::TYPE_BOOLEAN, - 'constant' => 4, - 'optional' => true, - 'default' => false, - 'implicit' => true - ), - 'onlyContainsAttributeCerts' => array( - 'type' => ASN1::TYPE_BOOLEAN, - 'constant' => 5, - 'optional' => true, - 'default' => false, - 'implicit' => true - ) - ) - ); - - $this->InvalidityDate = array('type' => ASN1::TYPE_GENERALIZED_TIME); - - $this->CertificateIssuer = $GeneralNames; - - $this->HoldInstructionCode = array('type' => ASN1::TYPE_OBJECT_IDENTIFIER); - - $PublicKeyAndChallenge = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'spki' => $SubjectPublicKeyInfo, - 'challenge' => array('type' => ASN1::TYPE_IA5_STRING) - ) - ); - - $this->SignedPublicKeyAndChallenge = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => array( - 'publicKeyAndChallenge' => $PublicKeyAndChallenge, - 'signatureAlgorithm' => $AlgorithmIdentifier, - 'signature' => array('type' => ASN1::TYPE_BIT_STRING) - ) - ); - - $this->PostalAddress = array( - 'type' => ASN1::TYPE_SEQUENCE, - 'optional' => true, - 'min' => 1, - 'max' => -1, - 'children' => $this->DirectoryString - ); - - // OIDs from RFC5280 and those RFCs mentioned in RFC5280#section-4.1.1.2 - $this->oids = array( - '1.3.6.1.5.5.7' => 'id-pkix', - '1.3.6.1.5.5.7.1' => 'id-pe', - '1.3.6.1.5.5.7.2' => 'id-qt', - '1.3.6.1.5.5.7.3' => 'id-kp', - '1.3.6.1.5.5.7.48' => 'id-ad', - '1.3.6.1.5.5.7.2.1' => 'id-qt-cps', - '1.3.6.1.5.5.7.2.2' => 'id-qt-unotice', - '1.3.6.1.5.5.7.48.1' =>'id-ad-ocsp', - '1.3.6.1.5.5.7.48.2' => 'id-ad-caIssuers', - '1.3.6.1.5.5.7.48.3' => 'id-ad-timeStamping', - '1.3.6.1.5.5.7.48.5' => 'id-ad-caRepository', - '2.5.4' => 'id-at', - '2.5.4.41' => 'id-at-name', - '2.5.4.4' => 'id-at-surname', - '2.5.4.42' => 'id-at-givenName', - '2.5.4.43' => 'id-at-initials', - '2.5.4.44' => 'id-at-generationQualifier', - '2.5.4.3' => 'id-at-commonName', - '2.5.4.7' => 'id-at-localityName', - '2.5.4.8' => 'id-at-stateOrProvinceName', - '2.5.4.10' => 'id-at-organizationName', - '2.5.4.11' => 'id-at-organizationalUnitName', - '2.5.4.12' => 'id-at-title', - '2.5.4.13' => 'id-at-description', - '2.5.4.46' => 'id-at-dnQualifier', - '2.5.4.6' => 'id-at-countryName', - '2.5.4.5' => 'id-at-serialNumber', - '2.5.4.65' => 'id-at-pseudonym', - '2.5.4.17' => 'id-at-postalCode', - '2.5.4.9' => 'id-at-streetAddress', - '2.5.4.45' => 'id-at-uniqueIdentifier', - '2.5.4.72' => 'id-at-role', - '2.5.4.16' => 'id-at-postalAddress', - - '0.9.2342.19200300.100.1.25' => 'id-domainComponent', - '1.2.840.113549.1.9' => 'pkcs-9', - '1.2.840.113549.1.9.1' => 'pkcs-9-at-emailAddress', - '2.5.29' => 'id-ce', - '2.5.29.35' => 'id-ce-authorityKeyIdentifier', - '2.5.29.14' => 'id-ce-subjectKeyIdentifier', - '2.5.29.15' => 'id-ce-keyUsage', - '2.5.29.16' => 'id-ce-privateKeyUsagePeriod', - '2.5.29.32' => 'id-ce-certificatePolicies', - '2.5.29.32.0' => 'anyPolicy', - - '2.5.29.33' => 'id-ce-policyMappings', - '2.5.29.17' => 'id-ce-subjectAltName', - '2.5.29.18' => 'id-ce-issuerAltName', - '2.5.29.9' => 'id-ce-subjectDirectoryAttributes', - '2.5.29.19' => 'id-ce-basicConstraints', - '2.5.29.30' => 'id-ce-nameConstraints', - '2.5.29.36' => 'id-ce-policyConstraints', - '2.5.29.31' => 'id-ce-cRLDistributionPoints', - '2.5.29.37' => 'id-ce-extKeyUsage', - '2.5.29.37.0' => 'anyExtendedKeyUsage', - '1.3.6.1.5.5.7.3.1' => 'id-kp-serverAuth', - '1.3.6.1.5.5.7.3.2' => 'id-kp-clientAuth', - '1.3.6.1.5.5.7.3.3' => 'id-kp-codeSigning', - '1.3.6.1.5.5.7.3.4' => 'id-kp-emailProtection', - '1.3.6.1.5.5.7.3.8' => 'id-kp-timeStamping', - '1.3.6.1.5.5.7.3.9' => 'id-kp-OCSPSigning', - '2.5.29.54' => 'id-ce-inhibitAnyPolicy', - '2.5.29.46' => 'id-ce-freshestCRL', - '1.3.6.1.5.5.7.1.1' => 'id-pe-authorityInfoAccess', - '1.3.6.1.5.5.7.1.11' => 'id-pe-subjectInfoAccess', - '2.5.29.20' => 'id-ce-cRLNumber', - '2.5.29.28' => 'id-ce-issuingDistributionPoint', - '2.5.29.27' => 'id-ce-deltaCRLIndicator', - '2.5.29.21' => 'id-ce-cRLReasons', - '2.5.29.29' => 'id-ce-certificateIssuer', - '2.5.29.23' => 'id-ce-holdInstructionCode', - '1.2.840.10040.2' => 'holdInstruction', - '1.2.840.10040.2.1' => 'id-holdinstruction-none', - '1.2.840.10040.2.2' => 'id-holdinstruction-callissuer', - '1.2.840.10040.2.3' => 'id-holdinstruction-reject', - '2.5.29.24' => 'id-ce-invalidityDate', - - '1.2.840.113549.2.2' => 'md2', - '1.2.840.113549.2.5' => 'md5', - '1.3.14.3.2.26' => 'id-sha1', - '1.2.840.10040.4.1' => 'id-dsa', - '1.2.840.10040.4.3' => 'id-dsa-with-sha1', - '1.2.840.113549.1.1' => 'pkcs-1', - '1.2.840.113549.1.1.1' => 'rsaEncryption', - '1.2.840.113549.1.1.2' => 'md2WithRSAEncryption', - '1.2.840.113549.1.1.4' => 'md5WithRSAEncryption', - '1.2.840.113549.1.1.5' => 'sha1WithRSAEncryption', - '1.2.840.10046.2.1' => 'dhpublicnumber', - '2.16.840.1.101.2.1.1.22' => 'id-keyExchangeAlgorithm', - '1.2.840.10045' => 'ansi-X9-62', - '1.2.840.10045.4' => 'id-ecSigType', - '1.2.840.10045.4.1' => 'ecdsa-with-SHA1', - '1.2.840.10045.1' => 'id-fieldType', - '1.2.840.10045.1.1' => 'prime-field', - '1.2.840.10045.1.2' => 'characteristic-two-field', - '1.2.840.10045.1.2.3' => 'id-characteristic-two-basis', - '1.2.840.10045.1.2.3.1' => 'gnBasis', - '1.2.840.10045.1.2.3.2' => 'tpBasis', - '1.2.840.10045.1.2.3.3' => 'ppBasis', - '1.2.840.10045.2' => 'id-publicKeyType', - '1.2.840.10045.2.1' => 'id-ecPublicKey', - '1.2.840.10045.3' => 'ellipticCurve', - '1.2.840.10045.3.0' => 'c-TwoCurve', - '1.2.840.10045.3.0.1' => 'c2pnb163v1', - '1.2.840.10045.3.0.2' => 'c2pnb163v2', - '1.2.840.10045.3.0.3' => 'c2pnb163v3', - '1.2.840.10045.3.0.4' => 'c2pnb176w1', - '1.2.840.10045.3.0.5' => 'c2pnb191v1', - '1.2.840.10045.3.0.6' => 'c2pnb191v2', - '1.2.840.10045.3.0.7' => 'c2pnb191v3', - '1.2.840.10045.3.0.8' => 'c2pnb191v4', - '1.2.840.10045.3.0.9' => 'c2pnb191v5', - '1.2.840.10045.3.0.10' => 'c2pnb208w1', - '1.2.840.10045.3.0.11' => 'c2pnb239v1', - '1.2.840.10045.3.0.12' => 'c2pnb239v2', - '1.2.840.10045.3.0.13' => 'c2pnb239v3', - '1.2.840.10045.3.0.14' => 'c2pnb239v4', - '1.2.840.10045.3.0.15' => 'c2pnb239v5', - '1.2.840.10045.3.0.16' => 'c2pnb272w1', - '1.2.840.10045.3.0.17' => 'c2pnb304w1', - '1.2.840.10045.3.0.18' => 'c2pnb359v1', - '1.2.840.10045.3.0.19' => 'c2pnb368w1', - '1.2.840.10045.3.0.20' => 'c2pnb431r1', - '1.2.840.10045.3.1' => 'primeCurve', - '1.2.840.10045.3.1.1' => 'prime192v1', - '1.2.840.10045.3.1.2' => 'prime192v2', - '1.2.840.10045.3.1.3' => 'prime192v3', - '1.2.840.10045.3.1.4' => 'prime239v1', - '1.2.840.10045.3.1.5' => 'prime239v2', - '1.2.840.10045.3.1.6' => 'prime239v3', - '1.2.840.10045.3.1.7' => 'prime256v1', - '1.2.840.113549.1.1.7' => 'id-RSAES-OAEP', - '1.2.840.113549.1.1.9' => 'id-pSpecified', - '1.2.840.113549.1.1.10' => 'id-RSASSA-PSS', - '1.2.840.113549.1.1.8' => 'id-mgf1', - '1.2.840.113549.1.1.14' => 'sha224WithRSAEncryption', - '1.2.840.113549.1.1.11' => 'sha256WithRSAEncryption', - '1.2.840.113549.1.1.12' => 'sha384WithRSAEncryption', - '1.2.840.113549.1.1.13' => 'sha512WithRSAEncryption', - '2.16.840.1.101.3.4.2.4' => 'id-sha224', - '2.16.840.1.101.3.4.2.1' => 'id-sha256', - '2.16.840.1.101.3.4.2.2' => 'id-sha384', - '2.16.840.1.101.3.4.2.3' => 'id-sha512', - '1.2.643.2.2.4' => 'id-GostR3411-94-with-GostR3410-94', - '1.2.643.2.2.3' => 'id-GostR3411-94-with-GostR3410-2001', - '1.2.643.2.2.20' => 'id-GostR3410-2001', - '1.2.643.2.2.19' => 'id-GostR3410-94', - // Netscape Object Identifiers from "Netscape Certificate Extensions" - '2.16.840.1.113730' => 'netscape', - '2.16.840.1.113730.1' => 'netscape-cert-extension', - '2.16.840.1.113730.1.1' => 'netscape-cert-type', - '2.16.840.1.113730.1.13' => 'netscape-comment', - '2.16.840.1.113730.1.8' => 'netscape-ca-policy-url', - // the following are X.509 extensions not supported by phpseclib - '1.3.6.1.5.5.7.1.12' => 'id-pe-logotype', - '1.2.840.113533.7.65.0' => 'entrustVersInfo', - '2.16.840.1.113733.1.6.9' => 'verisignPrivate', - // for Certificate Signing Requests - // see http://tools.ietf.org/html/rfc2985 - '1.2.840.113549.1.9.2' => 'pkcs-9-at-unstructuredName', // PKCS #9 unstructured name - '1.2.840.113549.1.9.7' => 'pkcs-9-at-challengePassword', // Challenge password for certificate revocations - '1.2.840.113549.1.9.14' => 'pkcs-9-at-extensionRequest' // Certificate extension request - ); - } - - /** - * Load X.509 certificate - * - * Returns an associative array describing the X.509 cert or a false if the cert failed to load - * - * @param string $cert - * @param int $mode - * @access public - * @return mixed - */ - function loadX509($cert, $mode = self::FORMAT_AUTO_DETECT) - { - if (is_array($cert) && isset($cert['tbsCertificate'])) { - unset($this->currentCert); - unset($this->currentKeyIdentifier); - $this->dn = $cert['tbsCertificate']['subject']; - if (!isset($this->dn)) { - return false; - } - $this->currentCert = $cert; - - $currentKeyIdentifier = $this->getExtension('id-ce-subjectKeyIdentifier'); - $this->currentKeyIdentifier = is_string($currentKeyIdentifier) ? $currentKeyIdentifier : null; - - unset($this->signatureSubject); - - return $cert; - } - - $asn1 = new ASN1(); - - if ($mode != self::FORMAT_DER) { - $newcert = $this->_extractBER($cert); - if ($mode == self::FORMAT_PEM && $cert == $newcert) { - return false; - } - $cert = $newcert; - } - - if ($cert === false) { - $this->currentCert = false; - return false; - } - - $asn1->loadOIDs($this->oids); - $decoded = $asn1->decodeBER($cert); - - if (!empty($decoded)) { - $x509 = $asn1->asn1map($decoded[0], $this->Certificate); - } - if (!isset($x509) || $x509 === false) { - $this->currentCert = false; - return false; - } - - $this->signatureSubject = substr($cert, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']); - - if ($this->_isSubArrayValid($x509, 'tbsCertificate/extensions')) { - $this->_mapInExtensions($x509, 'tbsCertificate/extensions', $asn1); - } - $this->_mapInDNs($x509, 'tbsCertificate/issuer/rdnSequence', $asn1); - $this->_mapInDNs($x509, 'tbsCertificate/subject/rdnSequence', $asn1); - - $key = &$x509['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey']; - $key = $this->_reformatKey($x509['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['algorithm'], $key); - - $this->currentCert = $x509; - $this->dn = $x509['tbsCertificate']['subject']; - - $currentKeyIdentifier = $this->getExtension('id-ce-subjectKeyIdentifier'); - $this->currentKeyIdentifier = is_string($currentKeyIdentifier) ? $currentKeyIdentifier : null; - - return $x509; - } - - /** - * Save X.509 certificate - * - * @param array $cert - * @param int $format optional - * @access public - * @return string - */ - function saveX509($cert, $format = self::FORMAT_PEM) - { - if (!is_array($cert) || !isset($cert['tbsCertificate'])) { - return false; - } - - switch (true) { - // "case !$a: case !$b: break; default: whatever();" is the same thing as "if ($a && $b) whatever()" - case !($algorithm = $this->_subArray($cert, 'tbsCertificate/subjectPublicKeyInfo/algorithm/algorithm')): - case is_object($cert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey']): - break; - default: - switch ($algorithm) { - case 'rsaEncryption': - $cert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'] - = base64_encode("\0" . base64_decode(preg_replace('#-.+-|[\r\n]#', '', $cert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey']))); - /* "[For RSA keys] the parameters field MUST have ASN.1 type NULL for this algorithm identifier." - -- https://tools.ietf.org/html/rfc3279#section-2.3.1 - - given that and the fact that RSA keys appear ot be the only key type for which the parameters field can be blank, - it seems like perhaps the ASN.1 description ought not say the parameters field is OPTIONAL, but whatever. - */ - $cert['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['parameters'] = null; - // https://tools.ietf.org/html/rfc3279#section-2.2.1 - $cert['signatureAlgorithm']['parameters'] = null; - $cert['tbsCertificate']['signature']['parameters'] = null; - } - } - - $asn1 = new ASN1(); - $asn1->loadOIDs($this->oids); - - $filters = array(); - $type_utf8_string = array('type' => ASN1::TYPE_UTF8_STRING); - $filters['tbsCertificate']['signature']['parameters'] = $type_utf8_string; - $filters['tbsCertificate']['signature']['issuer']['rdnSequence']['value'] = $type_utf8_string; - $filters['tbsCertificate']['issuer']['rdnSequence']['value'] = $type_utf8_string; - $filters['tbsCertificate']['subject']['rdnSequence']['value'] = $type_utf8_string; - $filters['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['parameters'] = $type_utf8_string; - $filters['signatureAlgorithm']['parameters'] = $type_utf8_string; - $filters['authorityCertIssuer']['directoryName']['rdnSequence']['value'] = $type_utf8_string; - //$filters['policyQualifiers']['qualifier'] = $type_utf8_string; - $filters['distributionPoint']['fullName']['directoryName']['rdnSequence']['value'] = $type_utf8_string; - $filters['directoryName']['rdnSequence']['value'] = $type_utf8_string; - - /* in the case of policyQualifiers/qualifier, the type has to be \phpseclib\File\ASN1::TYPE_IA5_STRING. - \phpseclib\File\ASN1::TYPE_PRINTABLE_STRING will cause OpenSSL's X.509 parser to spit out random - characters. - */ - $filters['policyQualifiers']['qualifier'] - = array('type' => ASN1::TYPE_IA5_STRING); - - $asn1->loadFilters($filters); - - $this->_mapOutExtensions($cert, 'tbsCertificate/extensions', $asn1); - $this->_mapOutDNs($cert, 'tbsCertificate/issuer/rdnSequence', $asn1); - $this->_mapOutDNs($cert, 'tbsCertificate/subject/rdnSequence', $asn1); - - $cert = $asn1->encodeDER($cert, $this->Certificate); - - switch ($format) { - case self::FORMAT_DER: - return $cert; - // case self::FORMAT_PEM: - default: - return "-----BEGIN CERTIFICATE-----\r\n" . chunk_split(base64_encode($cert), 64) . '-----END CERTIFICATE-----'; - } - } - - /** - * Map extension values from octet string to extension-specific internal - * format. - * - * @param array ref $root - * @param string $path - * @param object $asn1 - * @access private - */ - function _mapInExtensions(&$root, $path, $asn1) - { - $extensions = &$this->_subArrayUnchecked($root, $path); - - if ($extensions) { - for ($i = 0; $i < count($extensions); $i++) { - $id = $extensions[$i]['extnId']; - $value = &$extensions[$i]['extnValue']; - $value = base64_decode($value); - $decoded = $asn1->decodeBER($value); - /* [extnValue] contains the DER encoding of an ASN.1 value - corresponding to the extension type identified by extnID */ - $map = $this->_getMapping($id); - if (!is_bool($map)) { - $mapped = $asn1->asn1map($decoded[0], $map, array('iPAddress' => array($this, '_decodeIP'))); - $value = $mapped === false ? $decoded[0] : $mapped; - - if ($id == 'id-ce-certificatePolicies') { - for ($j = 0; $j < count($value); $j++) { - if (!isset($value[$j]['policyQualifiers'])) { - continue; - } - for ($k = 0; $k < count($value[$j]['policyQualifiers']); $k++) { - $subid = $value[$j]['policyQualifiers'][$k]['policyQualifierId']; - $map = $this->_getMapping($subid); - $subvalue = &$value[$j]['policyQualifiers'][$k]['qualifier']; - if ($map !== false) { - $decoded = $asn1->decodeBER($subvalue); - $mapped = $asn1->asn1map($decoded[0], $map); - $subvalue = $mapped === false ? $decoded[0] : $mapped; - } - } - } - } - } else { - $value = base64_encode($value); - } - } - } - } - - /** - * Map extension values from extension-specific internal format to - * octet string. - * - * @param array ref $root - * @param string $path - * @param object $asn1 - * @access private - */ - function _mapOutExtensions(&$root, $path, $asn1) - { - $extensions = &$this->_subArray($root, $path); - - if (is_array($extensions)) { - $size = count($extensions); - for ($i = 0; $i < $size; $i++) { - if ($extensions[$i] instanceof Element) { - continue; - } - - $id = $extensions[$i]['extnId']; - $value = &$extensions[$i]['extnValue']; - - switch ($id) { - case 'id-ce-certificatePolicies': - for ($j = 0; $j < count($value); $j++) { - if (!isset($value[$j]['policyQualifiers'])) { - continue; - } - for ($k = 0; $k < count($value[$j]['policyQualifiers']); $k++) { - $subid = $value[$j]['policyQualifiers'][$k]['policyQualifierId']; - $map = $this->_getMapping($subid); - $subvalue = &$value[$j]['policyQualifiers'][$k]['qualifier']; - if ($map !== false) { - // by default \phpseclib\File\ASN1 will try to render qualifier as a \phpseclib\File\ASN1::TYPE_IA5_STRING since it's - // actual type is \phpseclib\File\ASN1::TYPE_ANY - $subvalue = new Element($asn1->encodeDER($subvalue, $map)); - } - } - } - break; - case 'id-ce-authorityKeyIdentifier': // use 00 as the serial number instead of an empty string - if (isset($value['authorityCertSerialNumber'])) { - if ($value['authorityCertSerialNumber']->toBytes() == '') { - $temp = chr((ASN1::CLASS_CONTEXT_SPECIFIC << 6) | 2) . "\1\0"; - $value['authorityCertSerialNumber'] = new Element($temp); - } - } - } - - /* [extnValue] contains the DER encoding of an ASN.1 value - corresponding to the extension type identified by extnID */ - $map = $this->_getMapping($id); - if (is_bool($map)) { - if (!$map) { - user_error($id . ' is not a currently supported extension'); - unset($extensions[$i]); - } - } else { - $temp = $asn1->encodeDER($value, $map, array('iPAddress' => array($this, '_encodeIP'))); - $value = base64_encode($temp); - } - } - } - } - - /** - * Map attribute values from ANY type to attribute-specific internal - * format. - * - * @param array ref $root - * @param string $path - * @param object $asn1 - * @access private - */ - function _mapInAttributes(&$root, $path, $asn1) - { - $attributes = &$this->_subArray($root, $path); - - if (is_array($attributes)) { - for ($i = 0; $i < count($attributes); $i++) { - $id = $attributes[$i]['type']; - /* $value contains the DER encoding of an ASN.1 value - corresponding to the attribute type identified by type */ - $map = $this->_getMapping($id); - if (is_array($attributes[$i]['value'])) { - $values = &$attributes[$i]['value']; - for ($j = 0; $j < count($values); $j++) { - $value = $asn1->encodeDER($values[$j], $this->AttributeValue); - $decoded = $asn1->decodeBER($value); - if (!is_bool($map)) { - $mapped = $asn1->asn1map($decoded[0], $map); - if ($mapped !== false) { - $values[$j] = $mapped; - } - if ($id == 'pkcs-9-at-extensionRequest' && $this->_isSubArrayValid($values, $j)) { - $this->_mapInExtensions($values, $j, $asn1); - } - } elseif ($map) { - $values[$j] = base64_encode($value); - } - } - } - } - } - } - - /** - * Map attribute values from attribute-specific internal format to - * ANY type. - * - * @param array ref $root - * @param string $path - * @param object $asn1 - * @access private - */ - function _mapOutAttributes(&$root, $path, $asn1) - { - $attributes = &$this->_subArray($root, $path); - - if (is_array($attributes)) { - $size = count($attributes); - for ($i = 0; $i < $size; $i++) { - /* [value] contains the DER encoding of an ASN.1 value - corresponding to the attribute type identified by type */ - $id = $attributes[$i]['type']; - $map = $this->_getMapping($id); - if ($map === false) { - user_error($id . ' is not a currently supported attribute', E_USER_NOTICE); - unset($attributes[$i]); - } elseif (is_array($attributes[$i]['value'])) { - $values = &$attributes[$i]['value']; - for ($j = 0; $j < count($values); $j++) { - switch ($id) { - case 'pkcs-9-at-extensionRequest': - $this->_mapOutExtensions($values, $j, $asn1); - break; - } - - if (!is_bool($map)) { - $temp = $asn1->encodeDER($values[$j], $map); - $decoded = $asn1->decodeBER($temp); - $values[$j] = $asn1->asn1map($decoded[0], $this->AttributeValue); - } - } - } - } - } - } - - /** - * Map DN values from ANY type to DN-specific internal - * format. - * - * @param array ref $root - * @param string $path - * @param object $asn1 - * @access private - */ - function _mapInDNs(&$root, $path, $asn1) - { - $dns = &$this->_subArray($root, $path); - - if (is_array($dns)) { - for ($i = 0; $i < count($dns); $i++) { - for ($j = 0; $j < count($dns[$i]); $j++) { - $type = $dns[$i][$j]['type']; - $value = &$dns[$i][$j]['value']; - if (is_object($value) && $value instanceof Element) { - $map = $this->_getMapping($type); - if (!is_bool($map)) { - $decoded = $asn1->decodeBER($value); - $value = $asn1->asn1map($decoded[0], $map); - } - } - } - } - } - } - - /** - * Map DN values from DN-specific internal format to - * ANY type. - * - * @param array ref $root - * @param string $path - * @param object $asn1 - * @access private - */ - function _mapOutDNs(&$root, $path, $asn1) - { - $dns = &$this->_subArray($root, $path); - - if (is_array($dns)) { - $size = count($dns); - for ($i = 0; $i < $size; $i++) { - for ($j = 0; $j < count($dns[$i]); $j++) { - $type = $dns[$i][$j]['type']; - $value = &$dns[$i][$j]['value']; - if (is_object($value) && $value instanceof Element) { - continue; - } - - $map = $this->_getMapping($type); - if (!is_bool($map)) { - $value = new Element($asn1->encodeDER($value, $map)); - } - } - } - } - } - - /** - * Associate an extension ID to an extension mapping - * - * @param string $extnId - * @access private - * @return mixed - */ - function _getMapping($extnId) - { - if (!is_string($extnId)) { // eg. if it's a \phpseclib\File\ASN1\Element object - return true; - } - - switch ($extnId) { - case 'id-ce-keyUsage': - return $this->KeyUsage; - case 'id-ce-basicConstraints': - return $this->BasicConstraints; - case 'id-ce-subjectKeyIdentifier': - return $this->KeyIdentifier; - case 'id-ce-cRLDistributionPoints': - return $this->CRLDistributionPoints; - case 'id-ce-authorityKeyIdentifier': - return $this->AuthorityKeyIdentifier; - case 'id-ce-certificatePolicies': - return $this->CertificatePolicies; - case 'id-ce-extKeyUsage': - return $this->ExtKeyUsageSyntax; - case 'id-pe-authorityInfoAccess': - return $this->AuthorityInfoAccessSyntax; - case 'id-ce-subjectAltName': - return $this->SubjectAltName; - case 'id-ce-subjectDirectoryAttributes': - return $this->SubjectDirectoryAttributes; - case 'id-ce-privateKeyUsagePeriod': - return $this->PrivateKeyUsagePeriod; - case 'id-ce-issuerAltName': - return $this->IssuerAltName; - case 'id-ce-policyMappings': - return $this->PolicyMappings; - case 'id-ce-nameConstraints': - return $this->NameConstraints; - - case 'netscape-cert-type': - return $this->netscape_cert_type; - case 'netscape-comment': - return $this->netscape_comment; - case 'netscape-ca-policy-url': - return $this->netscape_ca_policy_url; - - // since id-qt-cps isn't a constructed type it will have already been decoded as a string by the time it gets - // back around to asn1map() and we don't want it decoded again. - //case 'id-qt-cps': - // return $this->CPSuri; - case 'id-qt-unotice': - return $this->UserNotice; - - // the following OIDs are unsupported but we don't want them to give notices when calling saveX509(). - case 'id-pe-logotype': // http://www.ietf.org/rfc/rfc3709.txt - case 'entrustVersInfo': - // http://support.microsoft.com/kb/287547 - case '1.3.6.1.4.1.311.20.2': // szOID_ENROLL_CERTTYPE_EXTENSION - case '1.3.6.1.4.1.311.21.1': // szOID_CERTSRV_CA_VERSION - // "SET Secure Electronic Transaction Specification" - // http://www.maithean.com/docs/set_bk3.pdf - case '2.23.42.7.0': // id-set-hashedRootKey - // "Certificate Transparency" - // https://tools.ietf.org/html/rfc6962 - case '1.3.6.1.4.1.11129.2.4.2': - return true; - - // CSR attributes - case 'pkcs-9-at-unstructuredName': - return $this->PKCS9String; - case 'pkcs-9-at-challengePassword': - return $this->DirectoryString; - case 'pkcs-9-at-extensionRequest': - return $this->Extensions; - - // CRL extensions. - case 'id-ce-cRLNumber': - return $this->CRLNumber; - case 'id-ce-deltaCRLIndicator': - return $this->CRLNumber; - case 'id-ce-issuingDistributionPoint': - return $this->IssuingDistributionPoint; - case 'id-ce-freshestCRL': - return $this->CRLDistributionPoints; - case 'id-ce-cRLReasons': - return $this->CRLReason; - case 'id-ce-invalidityDate': - return $this->InvalidityDate; - case 'id-ce-certificateIssuer': - return $this->CertificateIssuer; - case 'id-ce-holdInstructionCode': - return $this->HoldInstructionCode; - case 'id-at-postalAddress': - return $this->PostalAddress; - } - - return false; - } - - /** - * Load an X.509 certificate as a certificate authority - * - * @param string $cert - * @access public - * @return bool - */ - function loadCA($cert) - { - $olddn = $this->dn; - $oldcert = $this->currentCert; - $oldsigsubj = $this->signatureSubject; - $oldkeyid = $this->currentKeyIdentifier; - - $cert = $this->loadX509($cert); - if (!$cert) { - $this->dn = $olddn; - $this->currentCert = $oldcert; - $this->signatureSubject = $oldsigsubj; - $this->currentKeyIdentifier = $oldkeyid; - - return false; - } - - /* From RFC5280 "PKIX Certificate and CRL Profile": - - If the keyUsage extension is present, then the subject public key - MUST NOT be used to verify signatures on certificates or CRLs unless - the corresponding keyCertSign or cRLSign bit is set. */ - //$keyUsage = $this->getExtension('id-ce-keyUsage'); - //if ($keyUsage && !in_array('keyCertSign', $keyUsage)) { - // return false; - //} - - /* From RFC5280 "PKIX Certificate and CRL Profile": - - The cA boolean indicates whether the certified public key may be used - to verify certificate signatures. If the cA boolean is not asserted, - then the keyCertSign bit in the key usage extension MUST NOT be - asserted. If the basic constraints extension is not present in a - version 3 certificate, or the extension is present but the cA boolean - is not asserted, then the certified public key MUST NOT be used to - verify certificate signatures. */ - //$basicConstraints = $this->getExtension('id-ce-basicConstraints'); - //if (!$basicConstraints || !$basicConstraints['cA']) { - // return false; - //} - - $this->CAs[] = $cert; - - $this->dn = $olddn; - $this->currentCert = $oldcert; - $this->signatureSubject = $oldsigsubj; - - return true; - } - - /** - * Validate an X.509 certificate against a URL - * - * From RFC2818 "HTTP over TLS": - * - * Matching is performed using the matching rules specified by - * [RFC2459]. If more than one identity of a given type is present in - * the certificate (e.g., more than one dNSName name, a match in any one - * of the set is considered acceptable.) Names may contain the wildcard - * character * which is considered to match any single domain name - * component or component fragment. E.g., *.a.com matches foo.a.com but - * not bar.foo.a.com. f*.com matches foo.com but not bar.com. - * - * @param string $url - * @access public - * @return bool - */ - function validateURL($url) - { - if (!is_array($this->currentCert) || !isset($this->currentCert['tbsCertificate'])) { - return false; - } - - $components = parse_url($url); - if (!isset($components['host'])) { - return false; - } - - if ($names = $this->getExtension('id-ce-subjectAltName')) { - foreach ($names as $name) { - foreach ($name as $key => $value) { - $value = str_replace(array('.', '*'), array('\.', '[^.]*'), $value); - switch ($key) { - case 'dNSName': - /* From RFC2818 "HTTP over TLS": - - If a subjectAltName extension of type dNSName is present, that MUST - be used as the identity. Otherwise, the (most specific) Common Name - field in the Subject field of the certificate MUST be used. Although - the use of the Common Name is existing practice, it is deprecated and - Certification Authorities are encouraged to use the dNSName instead. */ - if (preg_match('#^' . $value . '$#', $components['host'])) { - return true; - } - break; - case 'iPAddress': - /* From RFC2818 "HTTP over TLS": - - In some cases, the URI is specified as an IP address rather than a - hostname. In this case, the iPAddress subjectAltName must be present - in the certificate and must exactly match the IP in the URI. */ - if (preg_match('#(?:\d{1-3}\.){4}#', $components['host'] . '.') && preg_match('#^' . $value . '$#', $components['host'])) { - return true; - } - } - } - } - return false; - } - - if ($value = $this->getDNProp('id-at-commonName')) { - $value = str_replace(array('.', '*'), array('\.', '[^.]*'), $value[0]); - return preg_match('#^' . $value . '$#', $components['host']); - } - - return false; - } - - /** - * Validate a date - * - * If $date isn't defined it is assumed to be the current date. - * - * @param int $date optional - * @access public - */ - function validateDate($date = null) - { - if (!is_array($this->currentCert) || !isset($this->currentCert['tbsCertificate'])) { - return false; - } - - if (!isset($date)) { - $date = new DateTime($date, new DateTimeZone(@date_default_timezone_get())); - } - - $notBefore = $this->currentCert['tbsCertificate']['validity']['notBefore']; - $notBefore = isset($notBefore['generalTime']) ? $notBefore['generalTime'] : $notBefore['utcTime']; - - $notAfter = $this->currentCert['tbsCertificate']['validity']['notAfter']; - $notAfter = isset($notAfter['generalTime']) ? $notAfter['generalTime'] : $notAfter['utcTime']; - - switch (true) { - case $date < new DateTime($notBefore, new DateTimeZone(@date_default_timezone_get())): - case $date > new DateTime($notAfter, new DateTimeZone(@date_default_timezone_get())): - return false; - } - - return true; - } - - /** - * Fetches a URL - * - * @param string $url - * @access private - * @return bool|string - */ - static function _fetchURL($url) - { - if (self::$disable_url_fetch) { - return false; - } - - $parts = parse_url($url); - $data = ''; - switch ($parts['scheme']) { - case 'http': - $fsock = @fsockopen($parts['host'], isset($parts['port']) ? $parts['port'] : 80); - if (!$fsock) { - return false; - } - fputs($fsock, "GET $parts[path] HTTP/1.0\r\n"); - fputs($fsock, "Host: $parts[host]\r\n\r\n"); - $line = fgets($fsock, 1024); - if (strlen($line) < 3) { - return false; - } - preg_match('#HTTP/1.\d (\d{3})#', $line, $temp); - if ($temp[1] != '200') { - return false; - } - - // skip the rest of the headers in the http response - while (!feof($fsock) && fgets($fsock, 1024) != "\r\n") { - } - - while (!feof($fsock)) { - $data.= fread($fsock, 1024); - } - - break; - //case 'ftp': - //case 'ldap': - //default: - } - - return $data; - } - - /** - * Validates an intermediate cert as identified via authority info access extension - * - * See https://tools.ietf.org/html/rfc4325 for more info - * - * @param bool $caonly - * @param int $count - * @access private - * @return bool - */ - function _testForIntermediate($caonly, $count) - { - $opts = $this->getExtension('id-pe-authorityInfoAccess'); - if (!is_array($opts)) { - return false; - } - foreach ($opts as $opt) { - if ($opt['accessMethod'] == 'id-ad-caIssuers') { - // accessLocation is a GeneralName. GeneralName fields support stuff like email addresses, IP addresses, LDAP, - // etc, but we're only supporting URI's. URI's and LDAP are the only thing https://tools.ietf.org/html/rfc4325 - // discusses - if (isset($opt['accessLocation']['uniformResourceIdentifier'])) { - $url = $opt['accessLocation']['uniformResourceIdentifier']; - break; - } - } - } - - if (!isset($url)) { - return false; - } - - $cert = static::_fetchURL($url); - if (!is_string($cert)) { - return false; - } - - $parent = new static(); - $parent->CAs = $this->CAs; - /* - "Conforming applications that support HTTP or FTP for accessing - certificates MUST be able to accept .cer files and SHOULD be able - to accept .p7c files." -- https://tools.ietf.org/html/rfc4325 - - A .p7c file is 'a "certs-only" CMS message as specified in RFC 2797" - - These are currently unsupported - */ - if (!is_array($parent->loadX509($cert))) { - return false; - } - - if (!$parent->_validateSignatureCountable($caonly, ++$count)) { - return false; - } - - $this->CAs[] = $parent->currentCert; - //$this->loadCA($cert); - - return true; - } - - /** - * Validate a signature - * - * Works on X.509 certs, CSR's and CRL's. - * Returns true if the signature is verified, false if it is not correct or null on error - * - * By default returns false for self-signed certs. Call validateSignature(false) to make this support - * self-signed. - * - * The behavior of this function is inspired by {@link http://php.net/openssl-verify openssl_verify}. - * - * @param bool $caonly optional - * @access public - * @return mixed - */ - function validateSignature($caonly = true) - { - return $this->_validateSignatureCountable($caonly, 0); - } - - /** - * Validate a signature - * - * Performs said validation whilst keeping track of how many times validation method is called - * - * @param bool $caonly - * @param int $count - * @access private - * @return mixed - */ - function _validateSignatureCountable($caonly, $count) - { - if (!is_array($this->currentCert) || !isset($this->signatureSubject)) { - return null; - } - - if ($count == self::$recur_limit) { - return false; - } - - /* TODO: - "emailAddress attribute values are not case-sensitive (e.g., "subscriber@example.com" is the same as "SUBSCRIBER@EXAMPLE.COM")." - -- http://tools.ietf.org/html/rfc5280#section-4.1.2.6 - - implement pathLenConstraint in the id-ce-basicConstraints extension */ - - switch (true) { - case isset($this->currentCert['tbsCertificate']): - // self-signed cert - switch (true) { - case !defined('FILE_X509_IGNORE_TYPE') && $this->currentCert['tbsCertificate']['issuer'] === $this->currentCert['tbsCertificate']['subject']: - case defined('FILE_X509_IGNORE_TYPE') && $this->getIssuerDN(self::DN_STRING) === $this->getDN(self::DN_STRING): - $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier'); - $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier'); - switch (true) { - case !is_array($authorityKey): - case !$subjectKeyID: - case isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID: - $signingCert = $this->currentCert; // working cert - } - } - - if (!empty($this->CAs)) { - for ($i = 0; $i < count($this->CAs); $i++) { - // even if the cert is a self-signed one we still want to see if it's a CA; - // if not, we'll conditionally return an error - $ca = $this->CAs[$i]; - switch (true) { - case !defined('FILE_X509_IGNORE_TYPE') && $this->currentCert['tbsCertificate']['issuer'] === $ca['tbsCertificate']['subject']: - case defined('FILE_X509_IGNORE_TYPE') && $this->getDN(self::DN_STRING, $this->currentCert['tbsCertificate']['issuer']) === $this->getDN(self::DN_STRING, $ca['tbsCertificate']['subject']): - $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier'); - $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier', $ca); - switch (true) { - case !is_array($authorityKey): - case !$subjectKeyID: - case isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID: - if (is_array($authorityKey) && isset($authorityKey['authorityCertSerialNumber']) && !$authorityKey['authorityCertSerialNumber']->equals($ca['tbsCertificate']['serialNumber'])) { - break 2; // serial mismatch - check other ca - } - $signingCert = $ca; // working cert - break 3; - } - } - } - if (count($this->CAs) == $i && $caonly) { - return $this->_testForIntermediate($caonly, $count) && $this->validateSignature($caonly); - } - } elseif (!isset($signingCert) || $caonly) { - return $this->_testForIntermediate($caonly, $count) && $this->validateSignature($caonly); - } - return $this->_validateSignature( - $signingCert['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['algorithm'], - $signingCert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'], - $this->currentCert['signatureAlgorithm']['algorithm'], - substr(base64_decode($this->currentCert['signature']), 1), - $this->signatureSubject - ); - case isset($this->currentCert['certificationRequestInfo']): - return $this->_validateSignature( - $this->currentCert['certificationRequestInfo']['subjectPKInfo']['algorithm']['algorithm'], - $this->currentCert['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey'], - $this->currentCert['signatureAlgorithm']['algorithm'], - substr(base64_decode($this->currentCert['signature']), 1), - $this->signatureSubject - ); - case isset($this->currentCert['publicKeyAndChallenge']): - return $this->_validateSignature( - $this->currentCert['publicKeyAndChallenge']['spki']['algorithm']['algorithm'], - $this->currentCert['publicKeyAndChallenge']['spki']['subjectPublicKey'], - $this->currentCert['signatureAlgorithm']['algorithm'], - substr(base64_decode($this->currentCert['signature']), 1), - $this->signatureSubject - ); - case isset($this->currentCert['tbsCertList']): - if (!empty($this->CAs)) { - for ($i = 0; $i < count($this->CAs); $i++) { - $ca = $this->CAs[$i]; - switch (true) { - case !defined('FILE_X509_IGNORE_TYPE') && $this->currentCert['tbsCertList']['issuer'] === $ca['tbsCertificate']['subject']: - case defined('FILE_X509_IGNORE_TYPE') && $this->getDN(self::DN_STRING, $this->currentCert['tbsCertList']['issuer']) === $this->getDN(self::DN_STRING, $ca['tbsCertificate']['subject']): - $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier'); - $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier', $ca); - switch (true) { - case !is_array($authorityKey): - case !$subjectKeyID: - case isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID: - if (is_array($authorityKey) && isset($authorityKey['authorityCertSerialNumber']) && !$authorityKey['authorityCertSerialNumber']->equals($ca['tbsCertificate']['serialNumber'])) { - break 2; // serial mismatch - check other ca - } - $signingCert = $ca; // working cert - break 3; - } - } - } - } - if (!isset($signingCert)) { - return false; - } - return $this->_validateSignature( - $signingCert['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['algorithm'], - $signingCert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'], - $this->currentCert['signatureAlgorithm']['algorithm'], - substr(base64_decode($this->currentCert['signature']), 1), - $this->signatureSubject - ); - default: - return false; - } - } - - /** - * Validates a signature - * - * Returns true if the signature is verified, false if it is not correct or null on error - * - * @param string $publicKeyAlgorithm - * @param string $publicKey - * @param string $signatureAlgorithm - * @param string $signature - * @param string $signatureSubject - * @access private - * @return int - */ - function _validateSignature($publicKeyAlgorithm, $publicKey, $signatureAlgorithm, $signature, $signatureSubject) - { - switch ($publicKeyAlgorithm) { - case 'rsaEncryption': - $rsa = new RSA(); - $rsa->loadKey($publicKey); - - switch ($signatureAlgorithm) { - case 'md2WithRSAEncryption': - case 'md5WithRSAEncryption': - case 'sha1WithRSAEncryption': - case 'sha224WithRSAEncryption': - case 'sha256WithRSAEncryption': - case 'sha384WithRSAEncryption': - case 'sha512WithRSAEncryption': - $rsa->setHash(preg_replace('#WithRSAEncryption$#', '', $signatureAlgorithm)); - $rsa->setSignatureMode(RSA::SIGNATURE_PKCS1); - if (!@$rsa->verify($signatureSubject, $signature)) { - return false; - } - break; - default: - return null; - } - break; - default: - return null; - } - - return true; - } - - /** - * Sets the recursion limit - * - * When validating a signature it may be necessary to download intermediate certs from URI's. - * An intermediate cert that linked to itself would result in an infinite loop so to prevent - * that we set a recursion limit. A negative number means that there is no recursion limit. - * - * @param int $count - * @access public - */ - static function setRecurLimit($count) - { - self::$recur_limit = $count; - } - - /** - * Prevents URIs from being automatically retrieved - * - * @access public - */ - static function disableURLFetch() - { - self::$disable_url_fetch = true; - } - - /** - * Allows URIs to be automatically retrieved - * - * @access public - */ - static function enableURLFetch() - { - self::$disable_url_fetch = false; - } - - /** - * Reformat public keys - * - * Reformats a public key to a format supported by phpseclib (if applicable) - * - * @param string $algorithm - * @param string $key - * @access private - * @return string - */ - function _reformatKey($algorithm, $key) - { - switch ($algorithm) { - case 'rsaEncryption': - return - "-----BEGIN RSA PUBLIC KEY-----\r\n" . - // subjectPublicKey is stored as a bit string in X.509 certs. the first byte of a bit string represents how many bits - // in the last byte should be ignored. the following only supports non-zero stuff but as none of the X.509 certs Firefox - // uses as a cert authority actually use a non-zero bit I think it's safe to assume that none do. - chunk_split(base64_encode(substr(base64_decode($key), 1)), 64) . - '-----END RSA PUBLIC KEY-----'; - default: - return $key; - } - } - - /** - * Decodes an IP address - * - * Takes in a base64 encoded "blob" and returns a human readable IP address - * - * @param string $ip - * @access private - * @return string - */ - function _decodeIP($ip) - { - return inet_ntop(base64_decode($ip)); - } - - /** - * Encodes an IP address - * - * Takes a human readable IP address into a base64-encoded "blob" - * - * @param string $ip - * @access private - * @return string - */ - function _encodeIP($ip) - { - return base64_encode(inet_pton($ip)); - } - - /** - * "Normalizes" a Distinguished Name property - * - * @param string $propName - * @access private - * @return mixed - */ - function _translateDNProp($propName) - { - switch (strtolower($propName)) { - case 'id-at-countryname': - case 'countryname': - case 'c': - return 'id-at-countryName'; - case 'id-at-organizationname': - case 'organizationname': - case 'o': - return 'id-at-organizationName'; - case 'id-at-dnqualifier': - case 'dnqualifier': - return 'id-at-dnQualifier'; - case 'id-at-commonname': - case 'commonname': - case 'cn': - return 'id-at-commonName'; - case 'id-at-stateorprovincename': - case 'stateorprovincename': - case 'state': - case 'province': - case 'provincename': - case 'st': - return 'id-at-stateOrProvinceName'; - case 'id-at-localityname': - case 'localityname': - case 'l': - return 'id-at-localityName'; - case 'id-emailaddress': - case 'emailaddress': - return 'pkcs-9-at-emailAddress'; - case 'id-at-serialnumber': - case 'serialnumber': - return 'id-at-serialNumber'; - case 'id-at-postalcode': - case 'postalcode': - return 'id-at-postalCode'; - case 'id-at-streetaddress': - case 'streetaddress': - return 'id-at-streetAddress'; - case 'id-at-name': - case 'name': - return 'id-at-name'; - case 'id-at-givenname': - case 'givenname': - return 'id-at-givenName'; - case 'id-at-surname': - case 'surname': - case 'sn': - return 'id-at-surname'; - case 'id-at-initials': - case 'initials': - return 'id-at-initials'; - case 'id-at-generationqualifier': - case 'generationqualifier': - return 'id-at-generationQualifier'; - case 'id-at-organizationalunitname': - case 'organizationalunitname': - case 'ou': - return 'id-at-organizationalUnitName'; - case 'id-at-pseudonym': - case 'pseudonym': - return 'id-at-pseudonym'; - case 'id-at-title': - case 'title': - return 'id-at-title'; - case 'id-at-description': - case 'description': - return 'id-at-description'; - case 'id-at-role': - case 'role': - return 'id-at-role'; - case 'id-at-uniqueidentifier': - case 'uniqueidentifier': - case 'x500uniqueidentifier': - return 'id-at-uniqueIdentifier'; - case 'postaladdress': - case 'id-at-postaladdress': - return 'id-at-postalAddress'; - default: - return false; - } - } - - /** - * Set a Distinguished Name property - * - * @param string $propName - * @param mixed $propValue - * @param string $type optional - * @access public - * @return bool - */ - function setDNProp($propName, $propValue, $type = 'utf8String') - { - if (empty($this->dn)) { - $this->dn = array('rdnSequence' => array()); - } - - if (($propName = $this->_translateDNProp($propName)) === false) { - return false; - } - - foreach ((array) $propValue as $v) { - if (!is_array($v) && isset($type)) { - $v = array($type => $v); - } - $this->dn['rdnSequence'][] = array( - array( - 'type' => $propName, - 'value'=> $v - ) - ); - } - - return true; - } - - /** - * Remove Distinguished Name properties - * - * @param string $propName - * @access public - */ - function removeDNProp($propName) - { - if (empty($this->dn)) { - return; - } - - if (($propName = $this->_translateDNProp($propName)) === false) { - return; - } - - $dn = &$this->dn['rdnSequence']; - $size = count($dn); - for ($i = 0; $i < $size; $i++) { - if ($dn[$i][0]['type'] == $propName) { - unset($dn[$i]); - } - } - - $dn = array_values($dn); - // fix for https://bugs.php.net/75433 affecting PHP 7.2 - if (!isset($dn[0])) { - $dn = array_splice($dn, 0, 0); - } - } - - /** - * Get Distinguished Name properties - * - * @param string $propName - * @param array $dn optional - * @param bool $withType optional - * @return mixed - * @access public - */ - function getDNProp($propName, $dn = null, $withType = false) - { - if (!isset($dn)) { - $dn = $this->dn; - } - - if (empty($dn)) { - return false; - } - - if (($propName = $this->_translateDNProp($propName)) === false) { - return false; - } - - $asn1 = new ASN1(); - $asn1->loadOIDs($this->oids); - $filters = array(); - $filters['value'] = array('type' => ASN1::TYPE_UTF8_STRING); - $asn1->loadFilters($filters); - $this->_mapOutDNs($dn, 'rdnSequence', $asn1); - $dn = $dn['rdnSequence']; - $result = array(); - for ($i = 0; $i < count($dn); $i++) { - if ($dn[$i][0]['type'] == $propName) { - $v = $dn[$i][0]['value']; - if (!$withType) { - if (is_array($v)) { - foreach ($v as $type => $s) { - $type = array_search($type, $asn1->ANYmap, true); - if ($type !== false && isset($asn1->stringTypeSize[$type])) { - $s = $asn1->convert($s, $type); - if ($s !== false) { - $v = $s; - break; - } - } - } - if (is_array($v)) { - $v = array_pop($v); // Always strip data type. - } - } elseif (is_object($v) && $v instanceof Element) { - $map = $this->_getMapping($propName); - if (!is_bool($map)) { - $decoded = $asn1->decodeBER($v); - $v = $asn1->asn1map($decoded[0], $map); - } - } - } - $result[] = $v; - } - } - - return $result; - } - - /** - * Set a Distinguished Name - * - * @param mixed $dn - * @param bool $merge optional - * @param string $type optional - * @access public - * @return bool - */ - function setDN($dn, $merge = false, $type = 'utf8String') - { - if (!$merge) { - $this->dn = null; - } - - if (is_array($dn)) { - if (isset($dn['rdnSequence'])) { - $this->dn = $dn; // No merge here. - return true; - } - - // handles stuff generated by openssl_x509_parse() - foreach ($dn as $prop => $value) { - if (!$this->setDNProp($prop, $value, $type)) { - return false; - } - } - return true; - } - - // handles everything else - $results = preg_split('#((?:^|, *|/)(?:C=|O=|OU=|CN=|L=|ST=|SN=|postalCode=|streetAddress=|emailAddress=|serialNumber=|organizationalUnitName=|title=|description=|role=|x500UniqueIdentifier=|postalAddress=))#', $dn, -1, PREG_SPLIT_DELIM_CAPTURE); - for ($i = 1; $i < count($results); $i+=2) { - $prop = trim($results[$i], ', =/'); - $value = $results[$i + 1]; - if (!$this->setDNProp($prop, $value, $type)) { - return false; - } - } - - return true; - } - - /** - * Get the Distinguished Name for a certificates subject - * - * @param mixed $format optional - * @param array $dn optional - * @access public - * @return bool - */ - function getDN($format = self::DN_ARRAY, $dn = null) - { - if (!isset($dn)) { - $dn = isset($this->currentCert['tbsCertList']) ? $this->currentCert['tbsCertList']['issuer'] : $this->dn; - } - - switch ((int) $format) { - case self::DN_ARRAY: - return $dn; - case self::DN_ASN1: - $asn1 = new ASN1(); - $asn1->loadOIDs($this->oids); - $filters = array(); - $filters['rdnSequence']['value'] = array('type' => ASN1::TYPE_UTF8_STRING); - $asn1->loadFilters($filters); - $this->_mapOutDNs($dn, 'rdnSequence', $asn1); - return $asn1->encodeDER($dn, $this->Name); - case self::DN_CANON: - // No SEQUENCE around RDNs and all string values normalized as - // trimmed lowercase UTF-8 with all spacing as one blank. - // constructed RDNs will not be canonicalized - $asn1 = new ASN1(); - $asn1->loadOIDs($this->oids); - $filters = array(); - $filters['value'] = array('type' => ASN1::TYPE_UTF8_STRING); - $asn1->loadFilters($filters); - $result = ''; - $this->_mapOutDNs($dn, 'rdnSequence', $asn1); - foreach ($dn['rdnSequence'] as $rdn) { - foreach ($rdn as $i => $attr) { - $attr = &$rdn[$i]; - if (is_array($attr['value'])) { - foreach ($attr['value'] as $type => $v) { - $type = array_search($type, $asn1->ANYmap, true); - if ($type !== false && isset($asn1->stringTypeSize[$type])) { - $v = $asn1->convert($v, $type); - if ($v !== false) { - $v = preg_replace('/\s+/', ' ', $v); - $attr['value'] = strtolower(trim($v)); - break; - } - } - } - } - } - $result .= $asn1->encodeDER($rdn, $this->RelativeDistinguishedName); - } - return $result; - case self::DN_HASH: - $dn = $this->getDN(self::DN_CANON, $dn); - $hash = new Hash('sha1'); - $hash = $hash->hash($dn); - extract(unpack('Vhash', $hash)); - return strtolower(bin2hex(pack('N', $hash))); - } - - // Default is to return a string. - $start = true; - $output = ''; - - $result = array(); - $asn1 = new ASN1(); - $asn1->loadOIDs($this->oids); - $filters = array(); - $filters['rdnSequence']['value'] = array('type' => ASN1::TYPE_UTF8_STRING); - $asn1->loadFilters($filters); - $this->_mapOutDNs($dn, 'rdnSequence', $asn1); - - foreach ($dn['rdnSequence'] as $field) { - $prop = $field[0]['type']; - $value = $field[0]['value']; - - $delim = ', '; - switch ($prop) { - case 'id-at-countryName': - $desc = 'C'; - break; - case 'id-at-stateOrProvinceName': - $desc = 'ST'; - break; - case 'id-at-organizationName': - $desc = 'O'; - break; - case 'id-at-organizationalUnitName': - $desc = 'OU'; - break; - case 'id-at-commonName': - $desc = 'CN'; - break; - case 'id-at-localityName': - $desc = 'L'; - break; - case 'id-at-surname': - $desc = 'SN'; - break; - case 'id-at-uniqueIdentifier': - $delim = '/'; - $desc = 'x500UniqueIdentifier'; - break; - case 'id-at-postalAddress': - $delim = '/'; - $desc = 'postalAddress'; - break; - default: - $delim = '/'; - $desc = preg_replace('#.+-([^-]+)$#', '$1', $prop); - } - - if (!$start) { - $output.= $delim; - } - if (is_array($value)) { - foreach ($value as $type => $v) { - $type = array_search($type, $asn1->ANYmap, true); - if ($type !== false && isset($asn1->stringTypeSize[$type])) { - $v = $asn1->convert($v, $type); - if ($v !== false) { - $value = $v; - break; - } - } - } - if (is_array($value)) { - $value = array_pop($value); // Always strip data type. - } - } elseif (is_object($value) && $value instanceof Element) { - $callback = function ($x) { - return "\x" . bin2hex($x[0]); - }; - $value = strtoupper(preg_replace_callback('#[^\x20-\x7E]#', $callback, $value->element)); - } - $output.= $desc . '=' . $value; - $result[$desc] = isset($result[$desc]) ? - array_merge((array) $dn[$prop], array($value)) : - $value; - $start = false; - } - - return $format == self::DN_OPENSSL ? $result : $output; - } - - /** - * Get the Distinguished Name for a certificate/crl issuer - * - * @param int $format optional - * @access public - * @return mixed - */ - function getIssuerDN($format = self::DN_ARRAY) - { - switch (true) { - case !isset($this->currentCert) || !is_array($this->currentCert): - break; - case isset($this->currentCert['tbsCertificate']): - return $this->getDN($format, $this->currentCert['tbsCertificate']['issuer']); - case isset($this->currentCert['tbsCertList']): - return $this->getDN($format, $this->currentCert['tbsCertList']['issuer']); - } - - return false; - } - - /** - * Get the Distinguished Name for a certificate/csr subject - * Alias of getDN() - * - * @param int $format optional - * @access public - * @return mixed - */ - function getSubjectDN($format = self::DN_ARRAY) - { - switch (true) { - case !empty($this->dn): - return $this->getDN($format); - case !isset($this->currentCert) || !is_array($this->currentCert): - break; - case isset($this->currentCert['tbsCertificate']): - return $this->getDN($format, $this->currentCert['tbsCertificate']['subject']); - case isset($this->currentCert['certificationRequestInfo']): - return $this->getDN($format, $this->currentCert['certificationRequestInfo']['subject']); - } - - return false; - } - - /** - * Get an individual Distinguished Name property for a certificate/crl issuer - * - * @param string $propName - * @param bool $withType optional - * @access public - * @return mixed - */ - function getIssuerDNProp($propName, $withType = false) - { - switch (true) { - case !isset($this->currentCert) || !is_array($this->currentCert): - break; - case isset($this->currentCert['tbsCertificate']): - return $this->getDNProp($propName, $this->currentCert['tbsCertificate']['issuer'], $withType); - case isset($this->currentCert['tbsCertList']): - return $this->getDNProp($propName, $this->currentCert['tbsCertList']['issuer'], $withType); - } - - return false; - } - - /** - * Get an individual Distinguished Name property for a certificate/csr subject - * - * @param string $propName - * @param bool $withType optional - * @access public - * @return mixed - */ - function getSubjectDNProp($propName, $withType = false) - { - switch (true) { - case !empty($this->dn): - return $this->getDNProp($propName, null, $withType); - case !isset($this->currentCert) || !is_array($this->currentCert): - break; - case isset($this->currentCert['tbsCertificate']): - return $this->getDNProp($propName, $this->currentCert['tbsCertificate']['subject'], $withType); - case isset($this->currentCert['certificationRequestInfo']): - return $this->getDNProp($propName, $this->currentCert['certificationRequestInfo']['subject'], $withType); - } - - return false; - } - - /** - * Get the certificate chain for the current cert - * - * @access public - * @return mixed - */ - function getChain() - { - $chain = array($this->currentCert); - - if (!is_array($this->currentCert) || !isset($this->currentCert['tbsCertificate'])) { - return false; - } - if (empty($this->CAs)) { - return $chain; - } - while (true) { - $currentCert = $chain[count($chain) - 1]; - for ($i = 0; $i < count($this->CAs); $i++) { - $ca = $this->CAs[$i]; - if ($currentCert['tbsCertificate']['issuer'] === $ca['tbsCertificate']['subject']) { - $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier', $currentCert); - $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier', $ca); - switch (true) { - case !is_array($authorityKey): - case is_array($authorityKey) && isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID: - if ($currentCert === $ca) { - break 3; - } - $chain[] = $ca; - break 2; - } - } - } - if ($i == count($this->CAs)) { - break; - } - } - foreach ($chain as $key => $value) { - $chain[$key] = new X509(); - $chain[$key]->loadX509($value); - } - return $chain; - } - - /** - * Set public key - * - * Key needs to be a \phpseclib\Crypt\RSA object - * - * @param object $key - * @access public - * @return bool - */ - function setPublicKey($key) - { - $key->setPublicKey(); - $this->publicKey = $key; - } - - /** - * Set private key - * - * Key needs to be a \phpseclib\Crypt\RSA object - * - * @param object $key - * @access public - */ - function setPrivateKey($key) - { - $this->privateKey = $key; - } - - /** - * Set challenge - * - * Used for SPKAC CSR's - * - * @param string $challenge - * @access public - */ - function setChallenge($challenge) - { - $this->challenge = $challenge; - } - - /** - * Gets the public key - * - * Returns a \phpseclib\Crypt\RSA object or a false. - * - * @access public - * @return mixed - */ - function getPublicKey() - { - if (isset($this->publicKey)) { - return $this->publicKey; - } - - if (isset($this->currentCert) && is_array($this->currentCert)) { - foreach (array('tbsCertificate/subjectPublicKeyInfo', 'certificationRequestInfo/subjectPKInfo') as $path) { - $keyinfo = $this->_subArray($this->currentCert, $path); - if (!empty($keyinfo)) { - break; - } - } - } - if (empty($keyinfo)) { - return false; - } - - $key = $keyinfo['subjectPublicKey']; - - switch ($keyinfo['algorithm']['algorithm']) { - case 'rsaEncryption': - $publicKey = new RSA(); - $publicKey->loadKey($key); - $publicKey->setPublicKey(); - break; - default: - return false; - } - - return $publicKey; - } - - /** - * Load a Certificate Signing Request - * - * @param string $csr - * @access public - * @return mixed - */ - function loadCSR($csr, $mode = self::FORMAT_AUTO_DETECT) - { - if (is_array($csr) && isset($csr['certificationRequestInfo'])) { - unset($this->currentCert); - unset($this->currentKeyIdentifier); - unset($this->signatureSubject); - $this->dn = $csr['certificationRequestInfo']['subject']; - if (!isset($this->dn)) { - return false; - } - - $this->currentCert = $csr; - return $csr; - } - - // see http://tools.ietf.org/html/rfc2986 - - $asn1 = new ASN1(); - - if ($mode != self::FORMAT_DER) { - $newcsr = $this->_extractBER($csr); - if ($mode == self::FORMAT_PEM && $csr == $newcsr) { - return false; - } - $csr = $newcsr; - } - $orig = $csr; - - if ($csr === false) { - $this->currentCert = false; - return false; - } - - $asn1->loadOIDs($this->oids); - $decoded = $asn1->decodeBER($csr); - - if (empty($decoded)) { - $this->currentCert = false; - return false; - } - - $csr = $asn1->asn1map($decoded[0], $this->CertificationRequest); - if (!isset($csr) || $csr === false) { - $this->currentCert = false; - return false; - } - - $this->_mapInAttributes($csr, 'certificationRequestInfo/attributes', $asn1); - $this->_mapInDNs($csr, 'certificationRequestInfo/subject/rdnSequence', $asn1); - - $this->dn = $csr['certificationRequestInfo']['subject']; - - $this->signatureSubject = substr($orig, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']); - - $algorithm = &$csr['certificationRequestInfo']['subjectPKInfo']['algorithm']['algorithm']; - $key = &$csr['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey']; - $key = $this->_reformatKey($algorithm, $key); - - switch ($algorithm) { - case 'rsaEncryption': - $this->publicKey = new RSA(); - $this->publicKey->loadKey($key); - $this->publicKey->setPublicKey(); - break; - default: - $this->publicKey = null; - } - - $this->currentKeyIdentifier = null; - $this->currentCert = $csr; - - return $csr; - } - - /** - * Save CSR request - * - * @param array $csr - * @param int $format optional - * @access public - * @return string - */ - function saveCSR($csr, $format = self::FORMAT_PEM) - { - if (!is_array($csr) || !isset($csr['certificationRequestInfo'])) { - return false; - } - - switch (true) { - case !($algorithm = $this->_subArray($csr, 'certificationRequestInfo/subjectPKInfo/algorithm/algorithm')): - case is_object($csr['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey']): - break; - default: - switch ($algorithm) { - case 'rsaEncryption': - $csr['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey'] - = base64_encode("\0" . base64_decode(preg_replace('#-.+-|[\r\n]#', '', $csr['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey']))); - $csr['certificationRequestInfo']['subjectPKInfo']['algorithm']['parameters'] = null; - $csr['signatureAlgorithm']['parameters'] = null; - $csr['certificationRequestInfo']['signature']['parameters'] = null; - } - } - - $asn1 = new ASN1(); - - $asn1->loadOIDs($this->oids); - - $filters = array(); - $filters['certificationRequestInfo']['subject']['rdnSequence']['value'] - = array('type' => ASN1::TYPE_UTF8_STRING); - - $asn1->loadFilters($filters); - - $this->_mapOutDNs($csr, 'certificationRequestInfo/subject/rdnSequence', $asn1); - $this->_mapOutAttributes($csr, 'certificationRequestInfo/attributes', $asn1); - $csr = $asn1->encodeDER($csr, $this->CertificationRequest); - - switch ($format) { - case self::FORMAT_DER: - return $csr; - // case self::FORMAT_PEM: - default: - return "-----BEGIN CERTIFICATE REQUEST-----\r\n" . chunk_split(base64_encode($csr), 64) . '-----END CERTIFICATE REQUEST-----'; - } - } - - /** - * Load a SPKAC CSR - * - * SPKAC's are produced by the HTML5 keygen element: - * - * https://developer.mozilla.org/en-US/docs/HTML/Element/keygen - * - * @param string $csr - * @access public - * @return mixed - */ - function loadSPKAC($spkac) - { - if (is_array($spkac) && isset($spkac['publicKeyAndChallenge'])) { - unset($this->currentCert); - unset($this->currentKeyIdentifier); - unset($this->signatureSubject); - $this->currentCert = $spkac; - return $spkac; - } - - // see http://www.w3.org/html/wg/drafts/html/master/forms.html#signedpublickeyandchallenge - - $asn1 = new ASN1(); - - // OpenSSL produces SPKAC's that are preceded by the string SPKAC= - $temp = preg_replace('#(?:SPKAC=)|[ \r\n\\\]#', '', $spkac); - $temp = preg_match('#^[a-zA-Z\d/+]*={0,2}$#', $temp) ? base64_decode($temp) : false; - if ($temp != false) { - $spkac = $temp; - } - $orig = $spkac; - - if ($spkac === false) { - $this->currentCert = false; - return false; - } - - $asn1->loadOIDs($this->oids); - $decoded = $asn1->decodeBER($spkac); - - if (empty($decoded)) { - $this->currentCert = false; - return false; - } - - $spkac = $asn1->asn1map($decoded[0], $this->SignedPublicKeyAndChallenge); - - if (!isset($spkac) || $spkac === false) { - $this->currentCert = false; - return false; - } - - $this->signatureSubject = substr($orig, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']); - - $algorithm = &$spkac['publicKeyAndChallenge']['spki']['algorithm']['algorithm']; - $key = &$spkac['publicKeyAndChallenge']['spki']['subjectPublicKey']; - $key = $this->_reformatKey($algorithm, $key); - - switch ($algorithm) { - case 'rsaEncryption': - $this->publicKey = new RSA(); - $this->publicKey->loadKey($key); - $this->publicKey->setPublicKey(); - break; - default: - $this->publicKey = null; - } - - $this->currentKeyIdentifier = null; - $this->currentCert = $spkac; - - return $spkac; - } - - /** - * Save a SPKAC CSR request - * - * @param array $csr - * @param int $format optional - * @access public - * @return string - */ - function saveSPKAC($spkac, $format = self::FORMAT_PEM) - { - if (!is_array($spkac) || !isset($spkac['publicKeyAndChallenge'])) { - return false; - } - - $algorithm = $this->_subArray($spkac, 'publicKeyAndChallenge/spki/algorithm/algorithm'); - switch (true) { - case !$algorithm: - case is_object($spkac['publicKeyAndChallenge']['spki']['subjectPublicKey']): - break; - default: - switch ($algorithm) { - case 'rsaEncryption': - $spkac['publicKeyAndChallenge']['spki']['subjectPublicKey'] - = base64_encode("\0" . base64_decode(preg_replace('#-.+-|[\r\n]#', '', $spkac['publicKeyAndChallenge']['spki']['subjectPublicKey']))); - } - } - - $asn1 = new ASN1(); - - $asn1->loadOIDs($this->oids); - $spkac = $asn1->encodeDER($spkac, $this->SignedPublicKeyAndChallenge); - - switch ($format) { - case self::FORMAT_DER: - return $spkac; - // case self::FORMAT_PEM: - default: - // OpenSSL's implementation of SPKAC requires the SPKAC be preceded by SPKAC= and since there are pretty much - // no other SPKAC decoders phpseclib will use that same format - return 'SPKAC=' . base64_encode($spkac); - } - } - - /** - * Load a Certificate Revocation List - * - * @param string $crl - * @access public - * @return mixed - */ - function loadCRL($crl, $mode = self::FORMAT_AUTO_DETECT) - { - if (is_array($crl) && isset($crl['tbsCertList'])) { - $this->currentCert = $crl; - unset($this->signatureSubject); - return $crl; - } - - $asn1 = new ASN1(); - - if ($mode != self::FORMAT_DER) { - $newcrl = $this->_extractBER($crl); - if ($mode == self::FORMAT_PEM && $crl == $newcrl) { - return false; - } - $crl = $newcrl; - } - $orig = $crl; - - if ($crl === false) { - $this->currentCert = false; - return false; - } - - $asn1->loadOIDs($this->oids); - $decoded = $asn1->decodeBER($crl); - - if (empty($decoded)) { - $this->currentCert = false; - return false; - } - - $crl = $asn1->asn1map($decoded[0], $this->CertificateList); - if (!isset($crl) || $crl === false) { - $this->currentCert = false; - return false; - } - - $this->signatureSubject = substr($orig, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']); - - $this->_mapInDNs($crl, 'tbsCertList/issuer/rdnSequence', $asn1); - if ($this->_isSubArrayValid($crl, 'tbsCertList/crlExtensions')) { - $this->_mapInExtensions($crl, 'tbsCertList/crlExtensions', $asn1); - } - if ($this->_isSubArrayValid($crl, 'tbsCertList/revokedCertificates')) { - $rclist_ref = &$this->_subArrayUnchecked($crl, 'tbsCertList/revokedCertificates'); - if ($rclist_ref) { - $rclist = $crl['tbsCertList']['revokedCertificates']; - foreach ($rclist as $i => $extension) { - if ($this->_isSubArrayValid($rclist, "$i/crlEntryExtensions", $asn1)) { - $this->_mapInExtensions($rclist_ref, "$i/crlEntryExtensions", $asn1); - } - } - } - } - - $this->currentKeyIdentifier = null; - $this->currentCert = $crl; - - return $crl; - } - - /** - * Save Certificate Revocation List. - * - * @param array $crl - * @param int $format optional - * @access public - * @return string - */ - function saveCRL($crl, $format = self::FORMAT_PEM) - { - if (!is_array($crl) || !isset($crl['tbsCertList'])) { - return false; - } - - $asn1 = new ASN1(); - - $asn1->loadOIDs($this->oids); - - $filters = array(); - $filters['tbsCertList']['issuer']['rdnSequence']['value'] - = array('type' => ASN1::TYPE_UTF8_STRING); - $filters['tbsCertList']['signature']['parameters'] - = array('type' => ASN1::TYPE_UTF8_STRING); - $filters['signatureAlgorithm']['parameters'] - = array('type' => ASN1::TYPE_UTF8_STRING); - - if (empty($crl['tbsCertList']['signature']['parameters'])) { - $filters['tbsCertList']['signature']['parameters'] - = array('type' => ASN1::TYPE_NULL); - } - - if (empty($crl['signatureAlgorithm']['parameters'])) { - $filters['signatureAlgorithm']['parameters'] - = array('type' => ASN1::TYPE_NULL); - } - - $asn1->loadFilters($filters); - - $this->_mapOutDNs($crl, 'tbsCertList/issuer/rdnSequence', $asn1); - $this->_mapOutExtensions($crl, 'tbsCertList/crlExtensions', $asn1); - $rclist = &$this->_subArray($crl, 'tbsCertList/revokedCertificates'); - if (is_array($rclist)) { - foreach ($rclist as $i => $extension) { - $this->_mapOutExtensions($rclist, "$i/crlEntryExtensions", $asn1); - } - } - - $crl = $asn1->encodeDER($crl, $this->CertificateList); - - switch ($format) { - case self::FORMAT_DER: - return $crl; - // case self::FORMAT_PEM: - default: - return "-----BEGIN X509 CRL-----\r\n" . chunk_split(base64_encode($crl), 64) . '-----END X509 CRL-----'; - } - } - - /** - * Helper function to build a time field according to RFC 3280 section - * - 4.1.2.5 Validity - * - 5.1.2.4 This Update - * - 5.1.2.5 Next Update - * - 5.1.2.6 Revoked Certificates - * by choosing utcTime iff year of date given is before 2050 and generalTime else. - * - * @param string $date in format date('D, d M Y H:i:s O') - * @access private - * @return array - */ - function _timeField($date) - { - if ($date instanceof Element) { - return $date; - } - $dateObj = new DateTime($date, new DateTimeZone('GMT')); - $year = $dateObj->format('Y'); // the same way ASN1.php parses this - if ($year < 2050) { - return array('utcTime' => $date); - } else { - return array('generalTime' => $date); - } - } - - /** - * Sign an X.509 certificate - * - * $issuer's private key needs to be loaded. - * $subject can be either an existing X.509 cert (if you want to resign it), - * a CSR or something with the DN and public key explicitly set. - * - * @param \phpseclib\File\X509 $issuer - * @param \phpseclib\File\X509 $subject - * @param string $signatureAlgorithm optional - * @access public - * @return mixed - */ - function sign($issuer, $subject, $signatureAlgorithm = 'sha1WithRSAEncryption') - { - if (!is_object($issuer->privateKey) || empty($issuer->dn)) { - return false; - } - - if (isset($subject->publicKey) && !($subjectPublicKey = $subject->_formatSubjectPublicKey())) { - return false; - } - - $currentCert = isset($this->currentCert) ? $this->currentCert : null; - $signatureSubject = isset($this->signatureSubject) ? $this->signatureSubject: null; - - if (isset($subject->currentCert) && is_array($subject->currentCert) && isset($subject->currentCert['tbsCertificate'])) { - $this->currentCert = $subject->currentCert; - $this->currentCert['tbsCertificate']['signature']['algorithm'] = $signatureAlgorithm; - $this->currentCert['signatureAlgorithm']['algorithm'] = $signatureAlgorithm; - - if (!empty($this->startDate)) { - $this->currentCert['tbsCertificate']['validity']['notBefore'] = $this->_timeField($this->startDate); - } - if (!empty($this->endDate)) { - $this->currentCert['tbsCertificate']['validity']['notAfter'] = $this->_timeField($this->endDate); - } - if (!empty($this->serialNumber)) { - $this->currentCert['tbsCertificate']['serialNumber'] = $this->serialNumber; - } - if (!empty($subject->dn)) { - $this->currentCert['tbsCertificate']['subject'] = $subject->dn; - } - if (!empty($subject->publicKey)) { - $this->currentCert['tbsCertificate']['subjectPublicKeyInfo'] = $subjectPublicKey; - } - $this->removeExtension('id-ce-authorityKeyIdentifier'); - if (isset($subject->domains)) { - $this->removeExtension('id-ce-subjectAltName'); - } - } elseif (isset($subject->currentCert) && is_array($subject->currentCert) && isset($subject->currentCert['tbsCertList'])) { - return false; - } else { - if (!isset($subject->publicKey)) { - return false; - } - - $startDate = new DateTime('now', new DateTimeZone(@date_default_timezone_get())); - $startDate = !empty($this->startDate) ? $this->startDate : $startDate->format('D, d M Y H:i:s O'); - - $endDate = new DateTime('+1 year', new DateTimeZone(@date_default_timezone_get())); - $endDate = !empty($this->endDate) ? $this->endDate : $endDate->format('D, d M Y H:i:s O'); - - /* "The serial number MUST be a positive integer" - "Conforming CAs MUST NOT use serialNumber values longer than 20 octets." - -- https://tools.ietf.org/html/rfc5280#section-4.1.2.2 - - for the integer to be positive the leading bit needs to be 0 hence the - application of a bitmap - */ - $serialNumber = !empty($this->serialNumber) ? - $this->serialNumber : - new BigInteger(Random::string(20) & ("\x7F" . str_repeat("\xFF", 19)), 256); - - $this->currentCert = array( - 'tbsCertificate' => - array( - 'version' => 'v3', - 'serialNumber' => $serialNumber, // $this->setSerialNumber() - 'signature' => array('algorithm' => $signatureAlgorithm), - 'issuer' => false, // this is going to be overwritten later - 'validity' => array( - 'notBefore' => $this->_timeField($startDate), // $this->setStartDate() - 'notAfter' => $this->_timeField($endDate) // $this->setEndDate() - ), - 'subject' => $subject->dn, - 'subjectPublicKeyInfo' => $subjectPublicKey - ), - 'signatureAlgorithm' => array('algorithm' => $signatureAlgorithm), - 'signature' => false // this is going to be overwritten later - ); - - // Copy extensions from CSR. - $csrexts = $subject->getAttribute('pkcs-9-at-extensionRequest', 0); - - if (!empty($csrexts)) { - $this->currentCert['tbsCertificate']['extensions'] = $csrexts; - } - } - - $this->currentCert['tbsCertificate']['issuer'] = $issuer->dn; - - if (isset($issuer->currentKeyIdentifier)) { - $this->setExtension('id-ce-authorityKeyIdentifier', array( - //'authorityCertIssuer' => array( - // array( - // 'directoryName' => $issuer->dn - // ) - //), - 'keyIdentifier' => $issuer->currentKeyIdentifier - )); - //$extensions = &$this->currentCert['tbsCertificate']['extensions']; - //if (isset($issuer->serialNumber)) { - // $extensions[count($extensions) - 1]['authorityCertSerialNumber'] = $issuer->serialNumber; - //} - //unset($extensions); - } - - if (isset($subject->currentKeyIdentifier)) { - $this->setExtension('id-ce-subjectKeyIdentifier', $subject->currentKeyIdentifier); - } - - $altName = array(); - - if (isset($subject->domains) && count($subject->domains)) { - $altName = array_map(array('\phpseclib\File\X509', '_dnsName'), $subject->domains); - } - - if (isset($subject->ipAddresses) && count($subject->ipAddresses)) { - // should an IP address appear as the CN if no domain name is specified? idk - //$ips = count($subject->domains) ? $subject->ipAddresses : array_slice($subject->ipAddresses, 1); - $ipAddresses = array(); - foreach ($subject->ipAddresses as $ipAddress) { - $encoded = $subject->_ipAddress($ipAddress); - if ($encoded !== false) { - $ipAddresses[] = $encoded; - } - } - if (count($ipAddresses)) { - $altName = array_merge($altName, $ipAddresses); - } - } - - if (!empty($altName)) { - $this->setExtension('id-ce-subjectAltName', $altName); - } - - if ($this->caFlag) { - $keyUsage = $this->getExtension('id-ce-keyUsage'); - if (!$keyUsage) { - $keyUsage = array(); - } - - $this->setExtension( - 'id-ce-keyUsage', - array_values(array_unique(array_merge($keyUsage, array('cRLSign', 'keyCertSign')))) - ); - - $basicConstraints = $this->getExtension('id-ce-basicConstraints'); - if (!$basicConstraints) { - $basicConstraints = array(); - } - - $this->setExtension( - 'id-ce-basicConstraints', - array_unique(array_merge(array('cA' => true), $basicConstraints)), - true - ); - - if (!isset($subject->currentKeyIdentifier)) { - $this->setExtension('id-ce-subjectKeyIdentifier', base64_encode($this->computeKeyIdentifier($this->currentCert)), false, false); - } - } - - // resync $this->signatureSubject - // save $tbsCertificate in case there are any \phpseclib\File\ASN1\Element objects in it - $tbsCertificate = $this->currentCert['tbsCertificate']; - $this->loadX509($this->saveX509($this->currentCert)); - - $result = $this->_sign($issuer->privateKey, $signatureAlgorithm); - $result['tbsCertificate'] = $tbsCertificate; - - $this->currentCert = $currentCert; - $this->signatureSubject = $signatureSubject; - - return $result; - } - - /** - * Sign a CSR - * - * @access public - * @return mixed - */ - function signCSR($signatureAlgorithm = 'sha1WithRSAEncryption') - { - if (!is_object($this->privateKey) || empty($this->dn)) { - return false; - } - - $origPublicKey = $this->publicKey; - $class = get_class($this->privateKey); - $this->publicKey = new $class(); - $this->publicKey->loadKey($this->privateKey->getPublicKey()); - $this->publicKey->setPublicKey(); - if (!($publicKey = $this->_formatSubjectPublicKey())) { - return false; - } - $this->publicKey = $origPublicKey; - - $currentCert = isset($this->currentCert) ? $this->currentCert : null; - $signatureSubject = isset($this->signatureSubject) ? $this->signatureSubject: null; - - if (isset($this->currentCert) && is_array($this->currentCert) && isset($this->currentCert['certificationRequestInfo'])) { - $this->currentCert['signatureAlgorithm']['algorithm'] = $signatureAlgorithm; - if (!empty($this->dn)) { - $this->currentCert['certificationRequestInfo']['subject'] = $this->dn; - } - $this->currentCert['certificationRequestInfo']['subjectPKInfo'] = $publicKey; - } else { - $this->currentCert = array( - 'certificationRequestInfo' => - array( - 'version' => 'v1', - 'subject' => $this->dn, - 'subjectPKInfo' => $publicKey - ), - 'signatureAlgorithm' => array('algorithm' => $signatureAlgorithm), - 'signature' => false // this is going to be overwritten later - ); - } - - // resync $this->signatureSubject - // save $certificationRequestInfo in case there are any \phpseclib\File\ASN1\Element objects in it - $certificationRequestInfo = $this->currentCert['certificationRequestInfo']; - $this->loadCSR($this->saveCSR($this->currentCert)); - - $result = $this->_sign($this->privateKey, $signatureAlgorithm); - $result['certificationRequestInfo'] = $certificationRequestInfo; - - $this->currentCert = $currentCert; - $this->signatureSubject = $signatureSubject; - - return $result; - } - - /** - * Sign a SPKAC - * - * @access public - * @return mixed - */ - function signSPKAC($signatureAlgorithm = 'sha1WithRSAEncryption') - { - if (!is_object($this->privateKey)) { - return false; - } - - $origPublicKey = $this->publicKey; - $class = get_class($this->privateKey); - $this->publicKey = new $class(); - $this->publicKey->loadKey($this->privateKey->getPublicKey()); - $this->publicKey->setPublicKey(); - $publicKey = $this->_formatSubjectPublicKey(); - if (!$publicKey) { - return false; - } - $this->publicKey = $origPublicKey; - - $currentCert = isset($this->currentCert) ? $this->currentCert : null; - $signatureSubject = isset($this->signatureSubject) ? $this->signatureSubject: null; - - // re-signing a SPKAC seems silly but since everything else supports re-signing why not? - if (isset($this->currentCert) && is_array($this->currentCert) && isset($this->currentCert['publicKeyAndChallenge'])) { - $this->currentCert['signatureAlgorithm']['algorithm'] = $signatureAlgorithm; - $this->currentCert['publicKeyAndChallenge']['spki'] = $publicKey; - if (!empty($this->challenge)) { - // the bitwise AND ensures that the output is a valid IA5String - $this->currentCert['publicKeyAndChallenge']['challenge'] = $this->challenge & str_repeat("\x7F", strlen($this->challenge)); - } - } else { - $this->currentCert = array( - 'publicKeyAndChallenge' => - array( - 'spki' => $publicKey, - // quoting , - // "A challenge string that is submitted along with the public key. Defaults to an empty string if not specified." - // both Firefox and OpenSSL ("openssl spkac -key private.key") behave this way - // we could alternatively do this instead if we ignored the specs: - // Random::string(8) & str_repeat("\x7F", 8) - 'challenge' => !empty($this->challenge) ? $this->challenge : '' - ), - 'signatureAlgorithm' => array('algorithm' => $signatureAlgorithm), - 'signature' => false // this is going to be overwritten later - ); - } - - // resync $this->signatureSubject - // save $publicKeyAndChallenge in case there are any \phpseclib\File\ASN1\Element objects in it - $publicKeyAndChallenge = $this->currentCert['publicKeyAndChallenge']; - $this->loadSPKAC($this->saveSPKAC($this->currentCert)); - - $result = $this->_sign($this->privateKey, $signatureAlgorithm); - $result['publicKeyAndChallenge'] = $publicKeyAndChallenge; - - $this->currentCert = $currentCert; - $this->signatureSubject = $signatureSubject; - - return $result; - } - - /** - * Sign a CRL - * - * $issuer's private key needs to be loaded. - * - * @param \phpseclib\File\X509 $issuer - * @param \phpseclib\File\X509 $crl - * @param string $signatureAlgorithm optional - * @access public - * @return mixed - */ - function signCRL($issuer, $crl, $signatureAlgorithm = 'sha1WithRSAEncryption') - { - if (!is_object($issuer->privateKey) || empty($issuer->dn)) { - return false; - } - - $currentCert = isset($this->currentCert) ? $this->currentCert : null; - $signatureSubject = isset($this->signatureSubject) ? $this->signatureSubject : null; - - $thisUpdate = new DateTime('now', new DateTimeZone(@date_default_timezone_get())); - $thisUpdate = !empty($this->startDate) ? $this->startDate : $thisUpdate->format('D, d M Y H:i:s O'); - - if (isset($crl->currentCert) && is_array($crl->currentCert) && isset($crl->currentCert['tbsCertList'])) { - $this->currentCert = $crl->currentCert; - $this->currentCert['tbsCertList']['signature']['algorithm'] = $signatureAlgorithm; - $this->currentCert['signatureAlgorithm']['algorithm'] = $signatureAlgorithm; - } else { - $this->currentCert = array( - 'tbsCertList' => - array( - 'version' => 'v2', - 'signature' => array('algorithm' => $signatureAlgorithm), - 'issuer' => false, // this is going to be overwritten later - 'thisUpdate' => $this->_timeField($thisUpdate) // $this->setStartDate() - ), - 'signatureAlgorithm' => array('algorithm' => $signatureAlgorithm), - 'signature' => false // this is going to be overwritten later - ); - } - - $tbsCertList = &$this->currentCert['tbsCertList']; - $tbsCertList['issuer'] = $issuer->dn; - $tbsCertList['thisUpdate'] = $this->_timeField($thisUpdate); - - if (!empty($this->endDate)) { - $tbsCertList['nextUpdate'] = $this->_timeField($this->endDate); // $this->setEndDate() - } else { - unset($tbsCertList['nextUpdate']); - } - - if (!empty($this->serialNumber)) { - $crlNumber = $this->serialNumber; - } else { - $crlNumber = $this->getExtension('id-ce-cRLNumber'); - // "The CRL number is a non-critical CRL extension that conveys a - // monotonically increasing sequence number for a given CRL scope and - // CRL issuer. This extension allows users to easily determine when a - // particular CRL supersedes another CRL." - // -- https://tools.ietf.org/html/rfc5280#section-5.2.3 - $crlNumber = $crlNumber !== false ? $crlNumber->add(new BigInteger(1)) : null; - } - - $this->removeExtension('id-ce-authorityKeyIdentifier'); - $this->removeExtension('id-ce-issuerAltName'); - - // Be sure version >= v2 if some extension found. - $version = isset($tbsCertList['version']) ? $tbsCertList['version'] : 0; - if (!$version) { - if (!empty($tbsCertList['crlExtensions'])) { - $version = 1; // v2. - } elseif (!empty($tbsCertList['revokedCertificates'])) { - foreach ($tbsCertList['revokedCertificates'] as $cert) { - if (!empty($cert['crlEntryExtensions'])) { - $version = 1; // v2. - } - } - } - - if ($version) { - $tbsCertList['version'] = $version; - } - } - - // Store additional extensions. - if (!empty($tbsCertList['version'])) { // At least v2. - if (!empty($crlNumber)) { - $this->setExtension('id-ce-cRLNumber', $crlNumber); - } - - if (isset($issuer->currentKeyIdentifier)) { - $this->setExtension('id-ce-authorityKeyIdentifier', array( - //'authorityCertIssuer' => array( - // array( - // 'directoryName' => $issuer->dn - // ) - //), - 'keyIdentifier' => $issuer->currentKeyIdentifier - )); - //$extensions = &$tbsCertList['crlExtensions']; - //if (isset($issuer->serialNumber)) { - // $extensions[count($extensions) - 1]['authorityCertSerialNumber'] = $issuer->serialNumber; - //} - //unset($extensions); - } - - $issuerAltName = $this->getExtension('id-ce-subjectAltName', $issuer->currentCert); - - if ($issuerAltName !== false) { - $this->setExtension('id-ce-issuerAltName', $issuerAltName); - } - } - - if (empty($tbsCertList['revokedCertificates'])) { - unset($tbsCertList['revokedCertificates']); - } - - unset($tbsCertList); - - // resync $this->signatureSubject - // save $tbsCertList in case there are any \phpseclib\File\ASN1\Element objects in it - $tbsCertList = $this->currentCert['tbsCertList']; - $this->loadCRL($this->saveCRL($this->currentCert)); - - $result = $this->_sign($issuer->privateKey, $signatureAlgorithm); - $result['tbsCertList'] = $tbsCertList; - - $this->currentCert = $currentCert; - $this->signatureSubject = $signatureSubject; - - return $result; - } - - /** - * X.509 certificate signing helper function. - * - * @param object $key - * @param \phpseclib\File\X509 $subject - * @param string $signatureAlgorithm - * @access public - * @return mixed - */ - function _sign($key, $signatureAlgorithm) - { - if ($key instanceof RSA) { - switch ($signatureAlgorithm) { - case 'md2WithRSAEncryption': - case 'md5WithRSAEncryption': - case 'sha1WithRSAEncryption': - case 'sha224WithRSAEncryption': - case 'sha256WithRSAEncryption': - case 'sha384WithRSAEncryption': - case 'sha512WithRSAEncryption': - $key->setHash(preg_replace('#WithRSAEncryption$#', '', $signatureAlgorithm)); - $key->setSignatureMode(RSA::SIGNATURE_PKCS1); - - $this->currentCert['signature'] = base64_encode("\0" . $key->sign($this->signatureSubject)); - return $this->currentCert; - } - } - - return false; - } - - /** - * Set certificate start date - * - * @param string $date - * @access public - */ - function setStartDate($date) - { - if (!is_object($date) || !is_a($date, 'DateTime')) { - $date = new DateTime($date, new DateTimeZone(@date_default_timezone_get())); - } - - $this->startDate = $date->format('D, d M Y H:i:s O'); - } - - /** - * Set certificate end date - * - * @param string $date - * @access public - */ - function setEndDate($date) - { - /* - To indicate that a certificate has no well-defined expiration date, - the notAfter SHOULD be assigned the GeneralizedTime value of - 99991231235959Z. - - -- http://tools.ietf.org/html/rfc5280#section-4.1.2.5 - */ - if (strtolower($date) == 'lifetime') { - $temp = '99991231235959Z'; - $asn1 = new ASN1(); - $temp = chr(ASN1::TYPE_GENERALIZED_TIME) . $asn1->_encodeLength(strlen($temp)) . $temp; - $this->endDate = new Element($temp); - } else { - if (!is_object($date) || !is_a($date, 'DateTime')) { - $date = new DateTime($date, new DateTimeZone(@date_default_timezone_get())); - } - - $this->endDate = $date->format('D, d M Y H:i:s O'); - } - } - - /** - * Set Serial Number - * - * @param string $serial - * @param $base optional - * @access public - */ - function setSerialNumber($serial, $base = -256) - { - $this->serialNumber = new BigInteger($serial, $base); - } - - /** - * Turns the certificate into a certificate authority - * - * @access public - */ - function makeCA() - { - $this->caFlag = true; - } - - /** - * Check for validity of subarray - * - * This is intended for use in conjunction with _subArrayUnchecked(), - * implementing the checks included in _subArray() but without copying - * a potentially large array by passing its reference by-value to is_array(). - * - * @param array $root - * @param string $path - * @return boolean - * @access private - */ - function _isSubArrayValid($root, $path) - { - if (!is_array($root)) { - return false; - } - - foreach (explode('/', $path) as $i) { - if (!is_array($root)) { - return false; - } - - if (!isset($root[$i])) { - return true; - } - - $root = $root[$i]; - } - - return true; - } - - /** - * Get a reference to a subarray - * - * This variant of _subArray() does no is_array() checking, - * so $root should be checked with _isSubArrayValid() first. - * - * This is here for performance reasons: - * Passing a reference (i.e. $root) by-value (i.e. to is_array()) - * creates a copy. If $root is an especially large array, this is expensive. - * - * @param array $root - * @param string $path absolute path with / as component separator - * @param bool $create optional - * @access private - * @return array|false - */ - function &_subArrayUnchecked(&$root, $path, $create = false) - { - $false = false; - - foreach (explode('/', $path) as $i) { - if (!isset($root[$i])) { - if (!$create) { - return $false; - } - - $root[$i] = array(); - } - - $root = &$root[$i]; - } - - return $root; - } - - /** - * Get a reference to a subarray - * - * @param array $root - * @param string $path absolute path with / as component separator - * @param bool $create optional - * @access private - * @return array|false - */ - function &_subArray(&$root, $path, $create = false) - { - $false = false; - - if (!is_array($root)) { - return $false; - } - - foreach (explode('/', $path) as $i) { - if (!is_array($root)) { - return $false; - } - - if (!isset($root[$i])) { - if (!$create) { - return $false; - } - - $root[$i] = array(); - } - - $root = &$root[$i]; - } - - return $root; - } - - /** - * Get a reference to an extension subarray - * - * @param array $root - * @param string $path optional absolute path with / as component separator - * @param bool $create optional - * @access private - * @return array|false - */ - function &_extensions(&$root, $path = null, $create = false) - { - if (!isset($root)) { - $root = $this->currentCert; - } - - switch (true) { - case !empty($path): - case !is_array($root): - break; - case isset($root['tbsCertificate']): - $path = 'tbsCertificate/extensions'; - break; - case isset($root['tbsCertList']): - $path = 'tbsCertList/crlExtensions'; - break; - case isset($root['certificationRequestInfo']): - $pth = 'certificationRequestInfo/attributes'; - $attributes = &$this->_subArray($root, $pth, $create); - - if (is_array($attributes)) { - foreach ($attributes as $key => $value) { - if ($value['type'] == 'pkcs-9-at-extensionRequest') { - $path = "$pth/$key/value/0"; - break 2; - } - } - if ($create) { - $key = count($attributes); - $attributes[] = array('type' => 'pkcs-9-at-extensionRequest', 'value' => array()); - $path = "$pth/$key/value/0"; - } - } - break; - } - - $extensions = &$this->_subArray($root, $path, $create); - - if (!is_array($extensions)) { - $false = false; - return $false; - } - - return $extensions; - } - - /** - * Remove an Extension - * - * @param string $id - * @param string $path optional - * @access private - * @return bool - */ - function _removeExtension($id, $path = null) - { - $extensions = &$this->_extensions($this->currentCert, $path); - - if (!is_array($extensions)) { - return false; - } - - $result = false; - foreach ($extensions as $key => $value) { - if ($value['extnId'] == $id) { - unset($extensions[$key]); - $result = true; - } - } - - $extensions = array_values($extensions); - // fix for https://bugs.php.net/75433 affecting PHP 7.2 - if (!isset($extensions[0])) { - $extensions = array_splice($extensions, 0, 0); - } - return $result; - } - - /** - * Get an Extension - * - * Returns the extension if it exists and false if not - * - * @param string $id - * @param array $cert optional - * @param string $path optional - * @access private - * @return mixed - */ - function _getExtension($id, $cert = null, $path = null) - { - $extensions = $this->_extensions($cert, $path); - - if (!is_array($extensions)) { - return false; - } - - foreach ($extensions as $key => $value) { - if ($value['extnId'] == $id) { - return $value['extnValue']; - } - } - - return false; - } - - /** - * Returns a list of all extensions in use - * - * @param array $cert optional - * @param string $path optional - * @access private - * @return array - */ - function _getExtensions($cert = null, $path = null) - { - $exts = $this->_extensions($cert, $path); - $extensions = array(); - - if (is_array($exts)) { - foreach ($exts as $extension) { - $extensions[] = $extension['extnId']; - } - } - - return $extensions; - } - - /** - * Set an Extension - * - * @param string $id - * @param mixed $value - * @param bool $critical optional - * @param bool $replace optional - * @param string $path optional - * @access private - * @return bool - */ - function _setExtension($id, $value, $critical = false, $replace = true, $path = null) - { - $extensions = &$this->_extensions($this->currentCert, $path, true); - - if (!is_array($extensions)) { - return false; - } - - $newext = array('extnId' => $id, 'critical' => $critical, 'extnValue' => $value); - - foreach ($extensions as $key => $value) { - if ($value['extnId'] == $id) { - if (!$replace) { - return false; - } - - $extensions[$key] = $newext; - return true; - } - } - - $extensions[] = $newext; - return true; - } - - /** - * Remove a certificate, CSR or CRL Extension - * - * @param string $id - * @access public - * @return bool - */ - function removeExtension($id) - { - return $this->_removeExtension($id); - } - - /** - * Get a certificate, CSR or CRL Extension - * - * Returns the extension if it exists and false if not - * - * @param string $id - * @param array $cert optional - * @access public - * @return mixed - */ - function getExtension($id, $cert = null) - { - return $this->_getExtension($id, $cert); - } - - /** - * Returns a list of all extensions in use in certificate, CSR or CRL - * - * @param array $cert optional - * @access public - * @return array - */ - function getExtensions($cert = null) - { - return $this->_getExtensions($cert); - } - - /** - * Set a certificate, CSR or CRL Extension - * - * @param string $id - * @param mixed $value - * @param bool $critical optional - * @param bool $replace optional - * @access public - * @return bool - */ - function setExtension($id, $value, $critical = false, $replace = true) - { - return $this->_setExtension($id, $value, $critical, $replace); - } - - /** - * Remove a CSR attribute. - * - * @param string $id - * @param int $disposition optional - * @access public - * @return bool - */ - function removeAttribute($id, $disposition = self::ATTR_ALL) - { - $attributes = &$this->_subArray($this->currentCert, 'certificationRequestInfo/attributes'); - - if (!is_array($attributes)) { - return false; - } - - $result = false; - foreach ($attributes as $key => $attribute) { - if ($attribute['type'] == $id) { - $n = count($attribute['value']); - switch (true) { - case $disposition == self::ATTR_APPEND: - case $disposition == self::ATTR_REPLACE: - return false; - case $disposition >= $n: - $disposition -= $n; - break; - case $disposition == self::ATTR_ALL: - case $n == 1: - unset($attributes[$key]); - $result = true; - break; - default: - unset($attributes[$key]['value'][$disposition]); - $attributes[$key]['value'] = array_values($attributes[$key]['value']); - $result = true; - break; - } - if ($result && $disposition != self::ATTR_ALL) { - break; - } - } - } - - $attributes = array_values($attributes); - return $result; - } - - /** - * Get a CSR attribute - * - * Returns the attribute if it exists and false if not - * - * @param string $id - * @param int $disposition optional - * @param array $csr optional - * @access public - * @return mixed - */ - function getAttribute($id, $disposition = self::ATTR_ALL, $csr = null) - { - if (empty($csr)) { - $csr = $this->currentCert; - } - - $attributes = $this->_subArray($csr, 'certificationRequestInfo/attributes'); - - if (!is_array($attributes)) { - return false; - } - - foreach ($attributes as $key => $attribute) { - if ($attribute['type'] == $id) { - $n = count($attribute['value']); - switch (true) { - case $disposition == self::ATTR_APPEND: - case $disposition == self::ATTR_REPLACE: - return false; - case $disposition == self::ATTR_ALL: - return $attribute['value']; - case $disposition >= $n: - $disposition -= $n; - break; - default: - return $attribute['value'][$disposition]; - } - } - } - - return false; - } - - /** - * Returns a list of all CSR attributes in use - * - * @param array $csr optional - * @access public - * @return array - */ - function getAttributes($csr = null) - { - if (empty($csr)) { - $csr = $this->currentCert; - } - - $attributes = $this->_subArray($csr, 'certificationRequestInfo/attributes'); - $attrs = array(); - - if (is_array($attributes)) { - foreach ($attributes as $attribute) { - $attrs[] = $attribute['type']; - } - } - - return $attrs; - } - - /** - * Set a CSR attribute - * - * @param string $id - * @param mixed $value - * @param bool $disposition optional - * @access public - * @return bool - */ - function setAttribute($id, $value, $disposition = self::ATTR_ALL) - { - $attributes = &$this->_subArray($this->currentCert, 'certificationRequestInfo/attributes', true); - - if (!is_array($attributes)) { - return false; - } - - switch ($disposition) { - case self::ATTR_REPLACE: - $disposition = self::ATTR_APPEND; - case self::ATTR_ALL: - $this->removeAttribute($id); - break; - } - - foreach ($attributes as $key => $attribute) { - if ($attribute['type'] == $id) { - $n = count($attribute['value']); - switch (true) { - case $disposition == self::ATTR_APPEND: - $last = $key; - break; - case $disposition >= $n: - $disposition -= $n; - break; - default: - $attributes[$key]['value'][$disposition] = $value; - return true; - } - } - } - - switch (true) { - case $disposition >= 0: - return false; - case isset($last): - $attributes[$last]['value'][] = $value; - break; - default: - $attributes[] = array('type' => $id, 'value' => $disposition == self::ATTR_ALL ? $value: array($value)); - break; - } - - return true; - } - - /** - * Sets the subject key identifier - * - * This is used by the id-ce-authorityKeyIdentifier and the id-ce-subjectKeyIdentifier extensions. - * - * @param string $value - * @access public - */ - function setKeyIdentifier($value) - { - if (empty($value)) { - unset($this->currentKeyIdentifier); - } else { - $this->currentKeyIdentifier = base64_encode($value); - } - } - - /** - * Compute a public key identifier. - * - * Although key identifiers may be set to any unique value, this function - * computes key identifiers from public key according to the two - * recommended methods (4.2.1.2 RFC 3280). - * Highly polymorphic: try to accept all possible forms of key: - * - Key object - * - \phpseclib\File\X509 object with public or private key defined - * - Certificate or CSR array - * - \phpseclib\File\ASN1\Element object - * - PEM or DER string - * - * @param mixed $key optional - * @param int $method optional - * @access public - * @return string binary key identifier - */ - function computeKeyIdentifier($key = null, $method = 1) - { - if (is_null($key)) { - $key = $this; - } - - switch (true) { - case is_string($key): - break; - case is_array($key) && isset($key['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey']): - return $this->computeKeyIdentifier($key['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'], $method); - case is_array($key) && isset($key['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey']): - return $this->computeKeyIdentifier($key['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey'], $method); - case !is_object($key): - return false; - case $key instanceof Element: - // Assume the element is a bitstring-packed key. - $asn1 = new ASN1(); - $decoded = $asn1->decodeBER($key->element); - if (empty($decoded)) { - return false; - } - $raw = $asn1->asn1map($decoded[0], array('type' => ASN1::TYPE_BIT_STRING)); - if (empty($raw)) { - return false; - } - $raw = base64_decode($raw); - // If the key is private, compute identifier from its corresponding public key. - $key = new RSA(); - if (!$key->loadKey($raw)) { - return false; // Not an unencrypted RSA key. - } - if ($key->getPrivateKey() !== false) { // If private. - return $this->computeKeyIdentifier($key, $method); - } - $key = $raw; // Is a public key. - break; - case $key instanceof X509: - if (isset($key->publicKey)) { - return $this->computeKeyIdentifier($key->publicKey, $method); - } - if (isset($key->privateKey)) { - return $this->computeKeyIdentifier($key->privateKey, $method); - } - if (isset($key->currentCert['tbsCertificate']) || isset($key->currentCert['certificationRequestInfo'])) { - return $this->computeKeyIdentifier($key->currentCert, $method); - } - return false; - default: // Should be a key object (i.e.: \phpseclib\Crypt\RSA). - $key = $key->getPublicKey(RSA::PUBLIC_FORMAT_PKCS1); - break; - } - - // If in PEM format, convert to binary. - $key = $this->_extractBER($key); - - // Now we have the key string: compute its sha-1 sum. - $hash = new Hash('sha1'); - $hash = $hash->hash($key); - - if ($method == 2) { - $hash = substr($hash, -8); - $hash[0] = chr((ord($hash[0]) & 0x0F) | 0x40); - } - - return $hash; - } - - /** - * Format a public key as appropriate - * - * @access private - * @return array - */ - function _formatSubjectPublicKey() - { - if ($this->publicKey instanceof RSA) { - // the following two return statements do the same thing. i dunno.. i just prefer the later for some reason. - // the former is a good example of how to do fuzzing on the public key - //return new Element(base64_decode(preg_replace('#-.+-|[\r\n]#', '', $this->publicKey->getPublicKey()))); - return array( - 'algorithm' => array('algorithm' => 'rsaEncryption'), - 'subjectPublicKey' => $this->publicKey->getPublicKey(RSA::PUBLIC_FORMAT_PKCS1) - ); - } - - return false; - } - - /** - * Set the domain name's which the cert is to be valid for - * - * @access public - * @return array - */ - function setDomain() - { - $this->domains = func_get_args(); - $this->removeDNProp('id-at-commonName'); - $this->setDNProp('id-at-commonName', $this->domains[0]); - } - - /** - * Set the IP Addresses's which the cert is to be valid for - * - * @access public - * @param string $ipAddress optional - */ - function setIPAddress() - { - $this->ipAddresses = func_get_args(); - /* - if (!isset($this->domains)) { - $this->removeDNProp('id-at-commonName'); - $this->setDNProp('id-at-commonName', $this->ipAddresses[0]); - } - */ - } - - /** - * Helper function to build domain array - * - * @access private - * @param string $domain - * @return array - */ - function _dnsName($domain) - { - return array('dNSName' => $domain); - } - - /** - * Helper function to build IP Address array - * - * (IPv6 is not currently supported) - * - * @access private - * @param string $address - * @return array - */ - function _iPAddress($address) - { - return array('iPAddress' => $address); - } - - /** - * Get the index of a revoked certificate. - * - * @param array $rclist - * @param string $serial - * @param bool $create optional - * @access private - * @return int|false - */ - function _revokedCertificate(&$rclist, $serial, $create = false) - { - $serial = new BigInteger($serial); - - foreach ($rclist as $i => $rc) { - if (!($serial->compare($rc['userCertificate']))) { - return $i; - } - } - - if (!$create) { - return false; - } - - $i = count($rclist); - $revocationDate = new DateTime('now', new DateTimeZone(@date_default_timezone_get())); - $rclist[] = array('userCertificate' => $serial, - 'revocationDate' => $this->_timeField($revocationDate->format('D, d M Y H:i:s O'))); - return $i; - } - - /** - * Revoke a certificate. - * - * @param string $serial - * @param string $date optional - * @access public - * @return bool - */ - function revoke($serial, $date = null) - { - if (isset($this->currentCert['tbsCertList'])) { - if (is_array($rclist = &$this->_subArray($this->currentCert, 'tbsCertList/revokedCertificates', true))) { - if ($this->_revokedCertificate($rclist, $serial) === false) { // If not yet revoked - if (($i = $this->_revokedCertificate($rclist, $serial, true)) !== false) { - if (!empty($date)) { - $rclist[$i]['revocationDate'] = $this->_timeField($date); - } - - return true; - } - } - } - } - - return false; - } - - /** - * Unrevoke a certificate. - * - * @param string $serial - * @access public - * @return bool - */ - function unrevoke($serial) - { - if (is_array($rclist = &$this->_subArray($this->currentCert, 'tbsCertList/revokedCertificates'))) { - if (($i = $this->_revokedCertificate($rclist, $serial)) !== false) { - unset($rclist[$i]); - $rclist = array_values($rclist); - return true; - } - } - - return false; - } - - /** - * Get a revoked certificate. - * - * @param string $serial - * @access public - * @return mixed - */ - function getRevoked($serial) - { - if (is_array($rclist = $this->_subArray($this->currentCert, 'tbsCertList/revokedCertificates'))) { - if (($i = $this->_revokedCertificate($rclist, $serial)) !== false) { - return $rclist[$i]; - } - } - - return false; - } - - /** - * List revoked certificates - * - * @param array $crl optional - * @access public - * @return array - */ - function listRevoked($crl = null) - { - if (!isset($crl)) { - $crl = $this->currentCert; - } - - if (!isset($crl['tbsCertList'])) { - return false; - } - - $result = array(); - - if (is_array($rclist = $this->_subArray($crl, 'tbsCertList/revokedCertificates'))) { - foreach ($rclist as $rc) { - $result[] = $rc['userCertificate']->toString(); - } - } - - return $result; - } - - /** - * Remove a Revoked Certificate Extension - * - * @param string $serial - * @param string $id - * @access public - * @return bool - */ - function removeRevokedCertificateExtension($serial, $id) - { - if (is_array($rclist = &$this->_subArray($this->currentCert, 'tbsCertList/revokedCertificates'))) { - if (($i = $this->_revokedCertificate($rclist, $serial)) !== false) { - return $this->_removeExtension($id, "tbsCertList/revokedCertificates/$i/crlEntryExtensions"); - } - } - - return false; - } - - /** - * Get a Revoked Certificate Extension - * - * Returns the extension if it exists and false if not - * - * @param string $serial - * @param string $id - * @param array $crl optional - * @access public - * @return mixed - */ - function getRevokedCertificateExtension($serial, $id, $crl = null) - { - if (!isset($crl)) { - $crl = $this->currentCert; - } - - if (is_array($rclist = $this->_subArray($crl, 'tbsCertList/revokedCertificates'))) { - if (($i = $this->_revokedCertificate($rclist, $serial)) !== false) { - return $this->_getExtension($id, $crl, "tbsCertList/revokedCertificates/$i/crlEntryExtensions"); - } - } - - return false; - } - - /** - * Returns a list of all extensions in use for a given revoked certificate - * - * @param string $serial - * @param array $crl optional - * @access public - * @return array - */ - function getRevokedCertificateExtensions($serial, $crl = null) - { - if (!isset($crl)) { - $crl = $this->currentCert; - } - - if (is_array($rclist = $this->_subArray($crl, 'tbsCertList/revokedCertificates'))) { - if (($i = $this->_revokedCertificate($rclist, $serial)) !== false) { - return $this->_getExtensions($crl, "tbsCertList/revokedCertificates/$i/crlEntryExtensions"); - } - } - - return false; - } - - /** - * Set a Revoked Certificate Extension - * - * @param string $serial - * @param string $id - * @param mixed $value - * @param bool $critical optional - * @param bool $replace optional - * @access public - * @return bool - */ - function setRevokedCertificateExtension($serial, $id, $value, $critical = false, $replace = true) - { - if (isset($this->currentCert['tbsCertList'])) { - if (is_array($rclist = &$this->_subArray($this->currentCert, 'tbsCertList/revokedCertificates', true))) { - if (($i = $this->_revokedCertificate($rclist, $serial, true)) !== false) { - return $this->_setExtension($id, $value, $critical, $replace, "tbsCertList/revokedCertificates/$i/crlEntryExtensions"); - } - } - } - - return false; - } - - /** - * Extract raw BER from Base64 encoding - * - * @access private - * @param string $str - * @return string - */ - function _extractBER($str) - { - /* X.509 certs are assumed to be base64 encoded but sometimes they'll have additional things in them - * above and beyond the ceritificate. - * ie. some may have the following preceding the -----BEGIN CERTIFICATE----- line: - * - * Bag Attributes - * localKeyID: 01 00 00 00 - * subject=/O=organization/OU=org unit/CN=common name - * issuer=/O=organization/CN=common name - */ - $temp = preg_replace('#.*?^-+[^-]+-+[\r\n ]*$#ms', '', $str, 1); - // remove the -----BEGIN CERTIFICATE----- and -----END CERTIFICATE----- stuff - $temp = preg_replace('#-+[^-]+-+#', '', $temp); - // remove new lines - $temp = str_replace(array("\r", "\n", ' '), '', $temp); - $temp = preg_match('#^[a-zA-Z\d/+]*={0,2}$#', $temp) ? base64_decode($temp) : false; - return $temp != false ? $temp : $str; - } - - /** - * Returns the OID corresponding to a name - * - * What's returned in the associative array returned by loadX509() (or load*()) is either a name or an OID if - * no OID to name mapping is available. The problem with this is that what may be an unmapped OID in one version - * of phpseclib may not be unmapped in the next version, so apps that are looking at this OID may not be able - * to work from version to version. - * - * This method will return the OID if a name is passed to it and if no mapping is avialable it'll assume that - * what's being passed to it already is an OID and return that instead. A few examples. - * - * getOID('2.16.840.1.101.3.4.2.1') == '2.16.840.1.101.3.4.2.1' - * getOID('id-sha256') == '2.16.840.1.101.3.4.2.1' - * getOID('zzz') == 'zzz' - * - * @access public - * @return string - */ - function getOID($name) - { - static $reverseMap; - if (!isset($reverseMap)) { - $reverseMap = array_flip($this->oids); - } - return isset($reverseMap[$name]) ? $reverseMap[$name] : $name; - } -} diff --git a/lib/phpseclib/Math/BigInteger.php b/lib/phpseclib/Math/BigInteger.php deleted file mode 100644 index 62b1e45dacc..00000000000 --- a/lib/phpseclib/Math/BigInteger.php +++ /dev/null @@ -1,3767 +0,0 @@ -> and << cannot be used, nor can the modulo operator %, - * which only supports integers. Although this fact will slow this library down, the fact that such a high - * base is being used should more than compensate. - * - * Numbers are stored in {@link http://en.wikipedia.org/wiki/Endianness little endian} format. ie. - * (new \phpseclib\Math\BigInteger(pow(2, 26)))->value = array(0, 1) - * - * Useful resources are as follows: - * - * - {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf Handbook of Applied Cryptography (HAC)} - * - {@link http://math.libtomcrypt.com/files/tommath.pdf Multi-Precision Math (MPM)} - * - Java's BigInteger classes. See /j2se/src/share/classes/java/math in jdk-1_5_0-src-jrl.zip - * - * Here's an example of how to use this library: - * - * add($b); - * - * echo $c->toString(); // outputs 5 - * ?> - * - * - * @category Math - * @package BigInteger - * @author Jim Wigginton - * @copyright 2006 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://pear.php.net/package/Math_BigInteger - */ - -namespace phpseclib\Math; - -use phpseclib\Crypt\Random; - -/** - * Pure-PHP arbitrary precision integer arithmetic library. Supports base-2, base-10, base-16, and base-256 - * numbers. - * - * @package BigInteger - * @author Jim Wigginton - * @access public - */ -class BigInteger -{ - /**#@+ - * Reduction constants - * - * @access private - * @see BigInteger::_reduce() - */ - /** - * @see BigInteger::_montgomery() - * @see BigInteger::_prepMontgomery() - */ - const MONTGOMERY = 0; - /** - * @see BigInteger::_barrett() - */ - const BARRETT = 1; - /** - * @see BigInteger::_mod2() - */ - const POWEROF2 = 2; - /** - * @see BigInteger::_remainder() - */ - const CLASSIC = 3; - /** - * @see BigInteger::__clone() - */ - const NONE = 4; - /**#@-*/ - - /**#@+ - * Array constants - * - * Rather than create a thousands and thousands of new BigInteger objects in repeated function calls to add() and - * multiply() or whatever, we'll just work directly on arrays, taking them in as parameters and returning them. - * - * @access private - */ - /** - * $result[self::VALUE] contains the value. - */ - const VALUE = 0; - /** - * $result[self::SIGN] contains the sign. - */ - const SIGN = 1; - /**#@-*/ - - /**#@+ - * @access private - * @see BigInteger::_montgomery() - * @see BigInteger::_barrett() - */ - /** - * Cache constants - * - * $cache[self::VARIABLE] tells us whether or not the cached data is still valid. - */ - const VARIABLE = 0; - /** - * $cache[self::DATA] contains the cached data. - */ - const DATA = 1; - /**#@-*/ - - /**#@+ - * Mode constants. - * - * @access private - * @see BigInteger::__construct() - */ - /** - * To use the pure-PHP implementation - */ - const MODE_INTERNAL = 1; - /** - * To use the BCMath library - * - * (if enabled; otherwise, the internal implementation will be used) - */ - const MODE_BCMATH = 2; - /** - * To use the GMP library - * - * (if present; otherwise, either the BCMath or the internal implementation will be used) - */ - const MODE_GMP = 3; - /**#@-*/ - - /** - * Karatsuba Cutoff - * - * At what point do we switch between Karatsuba multiplication and schoolbook long multiplication? - * - * @access private - */ - const KARATSUBA_CUTOFF = 25; - - /**#@+ - * Static properties used by the pure-PHP implementation. - * - * @see __construct() - */ - protected static $base; - protected static $baseFull; - protected static $maxDigit; - protected static $msb; - - /** - * $max10 in greatest $max10Len satisfying - * $max10 = 10**$max10Len <= 2**$base. - */ - protected static $max10; - - /** - * $max10Len in greatest $max10Len satisfying - * $max10 = 10**$max10Len <= 2**$base. - */ - protected static $max10Len; - protected static $maxDigit2; - /**#@-*/ - - /** - * Holds the BigInteger's value. - * - * @var array - * @access private - */ - var $value; - - /** - * Holds the BigInteger's magnitude. - * - * @var bool - * @access private - */ - var $is_negative = false; - - /** - * Precision - * - * @see self::setPrecision() - * @access private - */ - var $precision = -1; - - /** - * Precision Bitmask - * - * @see self::setPrecision() - * @access private - */ - var $bitmask = false; - - /** - * Mode independent value used for serialization. - * - * If the bcmath or gmp extensions are installed $this->value will be a non-serializable resource, hence the need for - * a variable that'll be serializable regardless of whether or not extensions are being used. Unlike $this->value, - * however, $this->hex is only calculated when $this->__sleep() is called. - * - * @see self::__sleep() - * @see self::__wakeup() - * @var string - * @access private - */ - var $hex; - - /** - * Converts base-2, base-10, base-16, and binary strings (base-256) to BigIntegers. - * - * If the second parameter - $base - is negative, then it will be assumed that the number's are encoded using - * two's compliment. The sole exception to this is -10, which is treated the same as 10 is. - * - * Here's an example: - * - * toString(); // outputs 50 - * ?> - * - * - * @param $x base-10 number or base-$base number if $base set. - * @param int $base - * @return \phpseclib\Math\BigInteger - * @access public - */ - function __construct($x = 0, $base = 10) - { - if (!defined('MATH_BIGINTEGER_MODE')) { - switch (true) { - case extension_loaded('gmp'): - define('MATH_BIGINTEGER_MODE', self::MODE_GMP); - break; - case extension_loaded('bcmath'): - define('MATH_BIGINTEGER_MODE', self::MODE_BCMATH); - break; - default: - define('MATH_BIGINTEGER_MODE', self::MODE_INTERNAL); - } - } - - if (extension_loaded('openssl') && !defined('MATH_BIGINTEGER_OPENSSL_DISABLE') && !defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) { - // some versions of XAMPP have mismatched versions of OpenSSL which causes it not to work - $versions = array(); - - // avoid generating errors (even with suppression) when phpinfo() is disabled (common in production systems) - if (strpos(ini_get('disable_functions'), 'phpinfo') === false) { - ob_start(); - @phpinfo(); - $content = ob_get_contents(); - ob_end_clean(); - - preg_match_all('#OpenSSL (Header|Library) Version(.*)#im', $content, $matches); - - if (!empty($matches[1])) { - for ($i = 0; $i < count($matches[1]); $i++) { - $fullVersion = trim(str_replace('=>', '', strip_tags($matches[2][$i]))); - - // Remove letter part in OpenSSL version - if (!preg_match('/(\d+\.\d+\.\d+)/i', $fullVersion, $m)) { - $versions[$matches[1][$i]] = $fullVersion; - } else { - $versions[$matches[1][$i]] = $m[0]; - } - } - } - } - - // it doesn't appear that OpenSSL versions were reported upon until PHP 5.3+ - switch (true) { - case !isset($versions['Header']): - case !isset($versions['Library']): - case $versions['Header'] == $versions['Library']: - case version_compare($versions['Header'], '1.0.0') >= 0 && version_compare($versions['Library'], '1.0.0') >= 0: - define('MATH_BIGINTEGER_OPENSSL_ENABLED', true); - break; - default: - define('MATH_BIGINTEGER_OPENSSL_DISABLE', true); - } - } - - if (!defined('PHP_INT_SIZE')) { - define('PHP_INT_SIZE', 4); - } - - if (empty(self::$base) && MATH_BIGINTEGER_MODE == self::MODE_INTERNAL) { - switch (PHP_INT_SIZE) { - case 8: // use 64-bit integers if int size is 8 bytes - self::$base = 31; - self::$baseFull = 0x80000000; - self::$maxDigit = 0x7FFFFFFF; - self::$msb = 0x40000000; - self::$max10 = 1000000000; - self::$max10Len = 9; - self::$maxDigit2 = pow(2, 62); - break; - //case 4: // use 64-bit floats if int size is 4 bytes - default: - self::$base = 26; - self::$baseFull = 0x4000000; - self::$maxDigit = 0x3FFFFFF; - self::$msb = 0x2000000; - self::$max10 = 10000000; - self::$max10Len = 7; - self::$maxDigit2 = pow(2, 52); // pow() prevents truncation - } - } - - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - switch (true) { - case is_resource($x) && get_resource_type($x) == 'GMP integer': - // PHP 5.6 switched GMP from using resources to objects - case $x instanceof \GMP: - $this->value = $x; - return; - } - $this->value = gmp_init(0); - break; - case self::MODE_BCMATH: - $this->value = '0'; - break; - default: - $this->value = array(); - } - - // '0' counts as empty() but when the base is 256 '0' is equal to ord('0') or 48 - // '0' is the only value like this per http://php.net/empty - if (empty($x) && (abs($base) != 256 || $x !== '0')) { - return; - } - - switch ($base) { - case -256: - if (ord($x[0]) & 0x80) { - $x = ~$x; - $this->is_negative = true; - } - case 256: - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $this->value = function_exists('gmp_import') ? - gmp_import($x) : - gmp_init('0x' . bin2hex($x)); - if ($this->is_negative) { - $this->value = gmp_neg($this->value); - } - break; - case self::MODE_BCMATH: - // round $len to the nearest 4 (thanks, DavidMJ!) - $len = (strlen($x) + 3) & 0xFFFFFFFC; - - $x = str_pad($x, $len, chr(0), STR_PAD_LEFT); - - for ($i = 0; $i < $len; $i+= 4) { - $this->value = bcmul($this->value, '4294967296', 0); // 4294967296 == 2**32 - $this->value = bcadd($this->value, 0x1000000 * ord($x[$i]) + ((ord($x[$i + 1]) << 16) | (ord($x[$i + 2]) << 8) | ord($x[$i + 3])), 0); - } - - if ($this->is_negative) { - $this->value = '-' . $this->value; - } - - break; - // converts a base-2**8 (big endian / msb) number to base-2**26 (little endian / lsb) - default: - while (strlen($x)) { - $this->value[] = $this->_bytes2int($this->_base256_rshift($x, self::$base)); - } - } - - if ($this->is_negative) { - if (MATH_BIGINTEGER_MODE != self::MODE_INTERNAL) { - $this->is_negative = false; - } - $temp = $this->add(new static('-1')); - $this->value = $temp->value; - } - break; - case 16: - case -16: - if ($base > 0 && $x[0] == '-') { - $this->is_negative = true; - $x = substr($x, 1); - } - - $x = preg_replace('#^(?:0x)?([A-Fa-f0-9]*).*#', '$1', $x); - - $is_negative = false; - if ($base < 0 && hexdec($x[0]) >= 8) { - $this->is_negative = $is_negative = true; - $x = bin2hex(~pack('H*', $x)); - } - - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $temp = $this->is_negative ? '-0x' . $x : '0x' . $x; - $this->value = gmp_init($temp); - $this->is_negative = false; - break; - case self::MODE_BCMATH: - $x = (strlen($x) & 1) ? '0' . $x : $x; - $temp = new static(pack('H*', $x), 256); - $this->value = $this->is_negative ? '-' . $temp->value : $temp->value; - $this->is_negative = false; - break; - default: - $x = (strlen($x) & 1) ? '0' . $x : $x; - $temp = new static(pack('H*', $x), 256); - $this->value = $temp->value; - } - - if ($is_negative) { - $temp = $this->add(new static('-1')); - $this->value = $temp->value; - } - break; - case 10: - case -10: - // (?value = gmp_init($x); - break; - case self::MODE_BCMATH: - // explicitly casting $x to a string is necessary, here, since doing $x[0] on -1 yields different - // results then doing it on '-1' does (modInverse does $x[0]) - $this->value = $x === '-' ? '0' : (string) $x; - break; - default: - $temp = new static(); - - $multiplier = new static(); - $multiplier->value = array(self::$max10); - - if ($x[0] == '-') { - $this->is_negative = true; - $x = substr($x, 1); - } - - $x = str_pad($x, strlen($x) + ((self::$max10Len - 1) * strlen($x)) % self::$max10Len, 0, STR_PAD_LEFT); - while (strlen($x)) { - $temp = $temp->multiply($multiplier); - $temp = $temp->add(new static($this->_int2bytes(substr($x, 0, self::$max10Len)), 256)); - $x = substr($x, self::$max10Len); - } - - $this->value = $temp->value; - } - break; - case 2: // base-2 support originally implemented by Lluis Pamies - thanks! - case -2: - if ($base > 0 && $x[0] == '-') { - $this->is_negative = true; - $x = substr($x, 1); - } - - $x = preg_replace('#^([01]*).*#', '$1', $x); - $x = str_pad($x, strlen($x) + (3 * strlen($x)) % 4, 0, STR_PAD_LEFT); - - $str = '0x'; - while (strlen($x)) { - $part = substr($x, 0, 4); - $str.= dechex(bindec($part)); - $x = substr($x, 4); - } - - if ($this->is_negative) { - $str = '-' . $str; - } - - $temp = new static($str, 8 * $base); // ie. either -16 or +16 - $this->value = $temp->value; - $this->is_negative = $temp->is_negative; - - break; - default: - // base not supported, so we'll let $this == 0 - } - } - - /** - * Converts a BigInteger to a byte string (eg. base-256). - * - * Negative numbers are saved as positive numbers, unless $twos_compliment is set to true, at which point, they're - * saved as two's compliment. - * - * Here's an example: - * - * toBytes(); // outputs chr(65) - * ?> - * - * - * @param bool $twos_compliment - * @return string - * @access public - * @internal Converts a base-2**26 number to base-2**8 - */ - function toBytes($twos_compliment = false) - { - if ($twos_compliment) { - $comparison = $this->compare(new static()); - if ($comparison == 0) { - return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : ''; - } - - $temp = $comparison < 0 ? $this->add(new static(1)) : $this->copy(); - $bytes = $temp->toBytes(); - - if (!strlen($bytes)) { // eg. if the number we're trying to convert is -1 - $bytes = chr(0); - } - - if (ord($bytes[0]) & 0x80) { - $bytes = chr(0) . $bytes; - } - - return $comparison < 0 ? ~$bytes : $bytes; - } - - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - if (gmp_cmp($this->value, gmp_init(0)) == 0) { - return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : ''; - } - - if (function_exists('gmp_export')) { - $temp = gmp_export($this->value); - } else { - $temp = gmp_strval(gmp_abs($this->value), 16); - $temp = (strlen($temp) & 1) ? '0' . $temp : $temp; - $temp = pack('H*', $temp); - } - - return $this->precision > 0 ? - substr(str_pad($temp, $this->precision >> 3, chr(0), STR_PAD_LEFT), -($this->precision >> 3)) : - ltrim($temp, chr(0)); - case self::MODE_BCMATH: - if ($this->value === '0') { - return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : ''; - } - - $value = ''; - $current = $this->value; - - if ($current[0] == '-') { - $current = substr($current, 1); - } - - while (bccomp($current, '0', 0) > 0) { - $temp = bcmod($current, '16777216'); - $value = chr($temp >> 16) . chr($temp >> 8) . chr($temp) . $value; - $current = bcdiv($current, '16777216', 0); - } - - return $this->precision > 0 ? - substr(str_pad($value, $this->precision >> 3, chr(0), STR_PAD_LEFT), -($this->precision >> 3)) : - ltrim($value, chr(0)); - } - - if (!count($this->value)) { - return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : ''; - } - $result = $this->_int2bytes($this->value[count($this->value) - 1]); - - $temp = $this->copy(); - - for ($i = count($temp->value) - 2; $i >= 0; --$i) { - $temp->_base256_lshift($result, self::$base); - $result = $result | str_pad($temp->_int2bytes($temp->value[$i]), strlen($result), chr(0), STR_PAD_LEFT); - } - - return $this->precision > 0 ? - str_pad(substr($result, -(($this->precision + 7) >> 3)), ($this->precision + 7) >> 3, chr(0), STR_PAD_LEFT) : - $result; - } - - /** - * Converts a BigInteger to a hex string (eg. base-16)). - * - * Negative numbers are saved as positive numbers, unless $twos_compliment is set to true, at which point, they're - * saved as two's compliment. - * - * Here's an example: - * - * toHex(); // outputs '41' - * ?> - * - * - * @param bool $twos_compliment - * @return string - * @access public - * @internal Converts a base-2**26 number to base-2**8 - */ - function toHex($twos_compliment = false) - { - return bin2hex($this->toBytes($twos_compliment)); - } - - /** - * Converts a BigInteger to a bit string (eg. base-2). - * - * Negative numbers are saved as positive numbers, unless $twos_compliment is set to true, at which point, they're - * saved as two's compliment. - * - * Here's an example: - * - * toBits(); // outputs '1000001' - * ?> - * - * - * @param bool $twos_compliment - * @return string - * @access public - * @internal Converts a base-2**26 number to base-2**2 - */ - function toBits($twos_compliment = false) - { - $hex = $this->toHex($twos_compliment); - $bits = ''; - for ($i = strlen($hex) - 8, $start = strlen($hex) & 7; $i >= $start; $i-=8) { - $bits = str_pad(decbin(hexdec(substr($hex, $i, 8))), 32, '0', STR_PAD_LEFT) . $bits; - } - if ($start) { // hexdec('') == 0 - $bits = str_pad(decbin(hexdec(substr($hex, 0, $start))), 8, '0', STR_PAD_LEFT) . $bits; - } - $result = $this->precision > 0 ? substr($bits, -$this->precision) : ltrim($bits, '0'); - - if ($twos_compliment && $this->compare(new static()) > 0 && $this->precision <= 0) { - return '0' . $result; - } - - return $result; - } - - /** - * Converts a BigInteger to a base-10 number. - * - * Here's an example: - * - * toString(); // outputs 50 - * ?> - * - * - * @return string - * @access public - * @internal Converts a base-2**26 number to base-10**7 (which is pretty much base-10) - */ - function toString() - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - return gmp_strval($this->value); - case self::MODE_BCMATH: - if ($this->value === '0') { - return '0'; - } - - return ltrim($this->value, '0'); - } - - if (!count($this->value)) { - return '0'; - } - - $temp = $this->copy(); - $temp->is_negative = false; - - $divisor = new static(); - $divisor->value = array(self::$max10); - $result = ''; - while (count($temp->value)) { - list($temp, $mod) = $temp->divide($divisor); - $result = str_pad(isset($mod->value[0]) ? $mod->value[0] : '', self::$max10Len, '0', STR_PAD_LEFT) . $result; - } - $result = ltrim($result, '0'); - if (empty($result)) { - $result = '0'; - } - - if ($this->is_negative) { - $result = '-' . $result; - } - - return $result; - } - - /** - * Copy an object - * - * PHP5 passes objects by reference while PHP4 passes by value. As such, we need a function to guarantee - * that all objects are passed by value, when appropriate. More information can be found here: - * - * {@link http://php.net/language.oop5.basic#51624} - * - * @access public - * @see self::__clone() - * @return \phpseclib\Math\BigInteger - */ - function copy() - { - $temp = new static(); - $temp->value = $this->value; - $temp->is_negative = $this->is_negative; - $temp->precision = $this->precision; - $temp->bitmask = $this->bitmask; - return $temp; - } - - /** - * __toString() magic method - * - * Will be called, automatically, if you're supporting just PHP5. If you're supporting PHP4, you'll need to call - * toString(). - * - * @access public - * @internal Implemented per a suggestion by Techie-Michael - thanks! - */ - function __toString() - { - return $this->toString(); - } - - /** - * __clone() magic method - * - * Although you can call BigInteger::__toString() directly in PHP5, you cannot call BigInteger::__clone() directly - * in PHP5. You can in PHP4 since it's not a magic method, but in PHP5, you have to call it by using the PHP5 - * only syntax of $y = clone $x. As such, if you're trying to write an application that works on both PHP4 and - * PHP5, call BigInteger::copy(), instead. - * - * @access public - * @see self::copy() - * @return \phpseclib\Math\BigInteger - */ - function __clone() - { - return $this->copy(); - } - - /** - * __sleep() magic method - * - * Will be called, automatically, when serialize() is called on a BigInteger object. - * - * @see self::__wakeup() - * @access public - */ - function __sleep() - { - $this->hex = $this->toHex(true); - $vars = array('hex'); - if ($this->precision > 0) { - $vars[] = 'precision'; - } - return $vars; - } - - /** - * __wakeup() magic method - * - * Will be called, automatically, when unserialize() is called on a BigInteger object. - * - * @see self::__sleep() - * @access public - */ - function __wakeup() - { - $temp = new static($this->hex, -16); - $this->value = $temp->value; - $this->is_negative = $temp->is_negative; - if ($this->precision > 0) { - // recalculate $this->bitmask - $this->setPrecision($this->precision); - } - } - - /** - * __debugInfo() magic method - * - * Will be called, automatically, when print_r() or var_dump() are called - * - * @access public - */ - function __debugInfo() - { - $opts = array(); - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $engine = 'gmp'; - break; - case self::MODE_BCMATH: - $engine = 'bcmath'; - break; - case self::MODE_INTERNAL: - $engine = 'internal'; - $opts[] = PHP_INT_SIZE == 8 ? '64-bit' : '32-bit'; - } - if (MATH_BIGINTEGER_MODE != self::MODE_GMP && defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) { - $opts[] = 'OpenSSL'; - } - if (!empty($opts)) { - $engine.= ' (' . implode(', ', $opts) . ')'; - } - return array( - 'value' => '0x' . $this->toHex(true), - 'engine' => $engine - ); - } - - /** - * Adds two BigIntegers. - * - * Here's an example: - * - * add($b); - * - * echo $c->toString(); // outputs 30 - * ?> - * - * - * @param \phpseclib\Math\BigInteger $y - * @return \phpseclib\Math\BigInteger - * @access public - * @internal Performs base-2**52 addition - */ - function add($y) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $temp = new static(); - $temp->value = gmp_add($this->value, $y->value); - - return $this->_normalize($temp); - case self::MODE_BCMATH: - $temp = new static(); - $temp->value = bcadd($this->value, $y->value, 0); - - return $this->_normalize($temp); - } - - $temp = $this->_add($this->value, $this->is_negative, $y->value, $y->is_negative); - - $result = new static(); - $result->value = $temp[self::VALUE]; - $result->is_negative = $temp[self::SIGN]; - - return $this->_normalize($result); - } - - /** - * Performs addition. - * - * @param array $x_value - * @param bool $x_negative - * @param array $y_value - * @param bool $y_negative - * @return array - * @access private - */ - function _add($x_value, $x_negative, $y_value, $y_negative) - { - $x_size = count($x_value); - $y_size = count($y_value); - - if ($x_size == 0) { - return array( - self::VALUE => $y_value, - self::SIGN => $y_negative - ); - } elseif ($y_size == 0) { - return array( - self::VALUE => $x_value, - self::SIGN => $x_negative - ); - } - - // subtract, if appropriate - if ($x_negative != $y_negative) { - if ($x_value == $y_value) { - return array( - self::VALUE => array(), - self::SIGN => false - ); - } - - $temp = $this->_subtract($x_value, false, $y_value, false); - $temp[self::SIGN] = $this->_compare($x_value, false, $y_value, false) > 0 ? - $x_negative : $y_negative; - - return $temp; - } - - if ($x_size < $y_size) { - $size = $x_size; - $value = $y_value; - } else { - $size = $y_size; - $value = $x_value; - } - - $value[count($value)] = 0; // just in case the carry adds an extra digit - - $carry = 0; - for ($i = 0, $j = 1; $j < $size; $i+=2, $j+=2) { - $sum = $x_value[$j] * self::$baseFull + $x_value[$i] + $y_value[$j] * self::$baseFull + $y_value[$i] + $carry; - $carry = $sum >= self::$maxDigit2; // eg. floor($sum / 2**52); only possible values (in any base) are 0 and 1 - $sum = $carry ? $sum - self::$maxDigit2 : $sum; - - $temp = self::$base === 26 ? intval($sum / 0x4000000) : ($sum >> 31); - - $value[$i] = (int) ($sum - self::$baseFull * $temp); // eg. a faster alternative to fmod($sum, 0x4000000) - $value[$j] = $temp; - } - - if ($j == $size) { // ie. if $y_size is odd - $sum = $x_value[$i] + $y_value[$i] + $carry; - $carry = $sum >= self::$baseFull; - $value[$i] = $carry ? $sum - self::$baseFull : $sum; - ++$i; // ie. let $i = $j since we've just done $value[$i] - } - - if ($carry) { - for (; $value[$i] == self::$maxDigit; ++$i) { - $value[$i] = 0; - } - ++$value[$i]; - } - - return array( - self::VALUE => $this->_trim($value), - self::SIGN => $x_negative - ); - } - - /** - * Subtracts two BigIntegers. - * - * Here's an example: - * - * subtract($b); - * - * echo $c->toString(); // outputs -10 - * ?> - * - * - * @param \phpseclib\Math\BigInteger $y - * @return \phpseclib\Math\BigInteger - * @access public - * @internal Performs base-2**52 subtraction - */ - function subtract($y) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $temp = new static(); - $temp->value = gmp_sub($this->value, $y->value); - - return $this->_normalize($temp); - case self::MODE_BCMATH: - $temp = new static(); - $temp->value = bcsub($this->value, $y->value, 0); - - return $this->_normalize($temp); - } - - $temp = $this->_subtract($this->value, $this->is_negative, $y->value, $y->is_negative); - - $result = new static(); - $result->value = $temp[self::VALUE]; - $result->is_negative = $temp[self::SIGN]; - - return $this->_normalize($result); - } - - /** - * Performs subtraction. - * - * @param array $x_value - * @param bool $x_negative - * @param array $y_value - * @param bool $y_negative - * @return array - * @access private - */ - function _subtract($x_value, $x_negative, $y_value, $y_negative) - { - $x_size = count($x_value); - $y_size = count($y_value); - - if ($x_size == 0) { - return array( - self::VALUE => $y_value, - self::SIGN => !$y_negative - ); - } elseif ($y_size == 0) { - return array( - self::VALUE => $x_value, - self::SIGN => $x_negative - ); - } - - // add, if appropriate (ie. -$x - +$y or +$x - -$y) - if ($x_negative != $y_negative) { - $temp = $this->_add($x_value, false, $y_value, false); - $temp[self::SIGN] = $x_negative; - - return $temp; - } - - $diff = $this->_compare($x_value, $x_negative, $y_value, $y_negative); - - if (!$diff) { - return array( - self::VALUE => array(), - self::SIGN => false - ); - } - - // switch $x and $y around, if appropriate. - if ((!$x_negative && $diff < 0) || ($x_negative && $diff > 0)) { - $temp = $x_value; - $x_value = $y_value; - $y_value = $temp; - - $x_negative = !$x_negative; - - $x_size = count($x_value); - $y_size = count($y_value); - } - - // at this point, $x_value should be at least as big as - if not bigger than - $y_value - - $carry = 0; - for ($i = 0, $j = 1; $j < $y_size; $i+=2, $j+=2) { - $sum = $x_value[$j] * self::$baseFull + $x_value[$i] - $y_value[$j] * self::$baseFull - $y_value[$i] - $carry; - $carry = $sum < 0; // eg. floor($sum / 2**52); only possible values (in any base) are 0 and 1 - $sum = $carry ? $sum + self::$maxDigit2 : $sum; - - $temp = self::$base === 26 ? intval($sum / 0x4000000) : ($sum >> 31); - - $x_value[$i] = (int) ($sum - self::$baseFull * $temp); - $x_value[$j] = $temp; - } - - if ($j == $y_size) { // ie. if $y_size is odd - $sum = $x_value[$i] - $y_value[$i] - $carry; - $carry = $sum < 0; - $x_value[$i] = $carry ? $sum + self::$baseFull : $sum; - ++$i; - } - - if ($carry) { - for (; !$x_value[$i]; ++$i) { - $x_value[$i] = self::$maxDigit; - } - --$x_value[$i]; - } - - return array( - self::VALUE => $this->_trim($x_value), - self::SIGN => $x_negative - ); - } - - /** - * Multiplies two BigIntegers - * - * Here's an example: - * - * multiply($b); - * - * echo $c->toString(); // outputs 200 - * ?> - * - * - * @param \phpseclib\Math\BigInteger $x - * @return \phpseclib\Math\BigInteger - * @access public - */ - function multiply($x) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $temp = new static(); - $temp->value = gmp_mul($this->value, $x->value); - - return $this->_normalize($temp); - case self::MODE_BCMATH: - $temp = new static(); - $temp->value = bcmul($this->value, $x->value, 0); - - return $this->_normalize($temp); - } - - $temp = $this->_multiply($this->value, $this->is_negative, $x->value, $x->is_negative); - - $product = new static(); - $product->value = $temp[self::VALUE]; - $product->is_negative = $temp[self::SIGN]; - - return $this->_normalize($product); - } - - /** - * Performs multiplication. - * - * @param array $x_value - * @param bool $x_negative - * @param array $y_value - * @param bool $y_negative - * @return array - * @access private - */ - function _multiply($x_value, $x_negative, $y_value, $y_negative) - { - //if ( $x_value == $y_value ) { - // return array( - // self::VALUE => $this->_square($x_value), - // self::SIGN => $x_sign != $y_value - // ); - //} - - $x_length = count($x_value); - $y_length = count($y_value); - - if (!$x_length || !$y_length) { // a 0 is being multiplied - return array( - self::VALUE => array(), - self::SIGN => false - ); - } - - return array( - self::VALUE => min($x_length, $y_length) < 2 * self::KARATSUBA_CUTOFF ? - $this->_trim($this->_regularMultiply($x_value, $y_value)) : - $this->_trim($this->_karatsuba($x_value, $y_value)), - self::SIGN => $x_negative != $y_negative - ); - } - - /** - * Performs long multiplication on two BigIntegers - * - * Modeled after 'multiply' in MutableBigInteger.java. - * - * @param array $x_value - * @param array $y_value - * @return array - * @access private - */ - function _regularMultiply($x_value, $y_value) - { - $x_length = count($x_value); - $y_length = count($y_value); - - if (!$x_length || !$y_length) { // a 0 is being multiplied - return array(); - } - - if ($x_length < $y_length) { - $temp = $x_value; - $x_value = $y_value; - $y_value = $temp; - - $x_length = count($x_value); - $y_length = count($y_value); - } - - $product_value = $this->_array_repeat(0, $x_length + $y_length); - - // the following for loop could be removed if the for loop following it - // (the one with nested for loops) initially set $i to 0, but - // doing so would also make the result in one set of unnecessary adds, - // since on the outermost loops first pass, $product->value[$k] is going - // to always be 0 - - $carry = 0; - - for ($j = 0; $j < $x_length; ++$j) { // ie. $i = 0 - $temp = $x_value[$j] * $y_value[0] + $carry; // $product_value[$k] == 0 - $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $product_value[$j] = (int) ($temp - self::$baseFull * $carry); - } - - $product_value[$j] = $carry; - - // the above for loop is what the previous comment was talking about. the - // following for loop is the "one with nested for loops" - for ($i = 1; $i < $y_length; ++$i) { - $carry = 0; - - for ($j = 0, $k = $i; $j < $x_length; ++$j, ++$k) { - $temp = $product_value[$k] + $x_value[$j] * $y_value[$i] + $carry; - $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $product_value[$k] = (int) ($temp - self::$baseFull * $carry); - } - - $product_value[$k] = $carry; - } - - return $product_value; - } - - /** - * Performs Karatsuba multiplication on two BigIntegers - * - * See {@link http://en.wikipedia.org/wiki/Karatsuba_algorithm Karatsuba algorithm} and - * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=120 MPM 5.2.3}. - * - * @param array $x_value - * @param array $y_value - * @return array - * @access private - */ - function _karatsuba($x_value, $y_value) - { - $m = min(count($x_value) >> 1, count($y_value) >> 1); - - if ($m < self::KARATSUBA_CUTOFF) { - return $this->_regularMultiply($x_value, $y_value); - } - - $x1 = array_slice($x_value, $m); - $x0 = array_slice($x_value, 0, $m); - $y1 = array_slice($y_value, $m); - $y0 = array_slice($y_value, 0, $m); - - $z2 = $this->_karatsuba($x1, $y1); - $z0 = $this->_karatsuba($x0, $y0); - - $z1 = $this->_add($x1, false, $x0, false); - $temp = $this->_add($y1, false, $y0, false); - $z1 = $this->_karatsuba($z1[self::VALUE], $temp[self::VALUE]); - $temp = $this->_add($z2, false, $z0, false); - $z1 = $this->_subtract($z1, false, $temp[self::VALUE], false); - - $z2 = array_merge(array_fill(0, 2 * $m, 0), $z2); - $z1[self::VALUE] = array_merge(array_fill(0, $m, 0), $z1[self::VALUE]); - - $xy = $this->_add($z2, false, $z1[self::VALUE], $z1[self::SIGN]); - $xy = $this->_add($xy[self::VALUE], $xy[self::SIGN], $z0, false); - - return $xy[self::VALUE]; - } - - /** - * Performs squaring - * - * @param array $x - * @return array - * @access private - */ - function _square($x = false) - { - return count($x) < 2 * self::KARATSUBA_CUTOFF ? - $this->_trim($this->_baseSquare($x)) : - $this->_trim($this->_karatsubaSquare($x)); - } - - /** - * Performs traditional squaring on two BigIntegers - * - * Squaring can be done faster than multiplying a number by itself can be. See - * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=7 HAC 14.2.4} / - * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=141 MPM 5.3} for more information. - * - * @param array $value - * @return array - * @access private - */ - function _baseSquare($value) - { - if (empty($value)) { - return array(); - } - $square_value = $this->_array_repeat(0, 2 * count($value)); - - for ($i = 0, $max_index = count($value) - 1; $i <= $max_index; ++$i) { - $i2 = $i << 1; - - $temp = $square_value[$i2] + $value[$i] * $value[$i]; - $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $square_value[$i2] = (int) ($temp - self::$baseFull * $carry); - - // note how we start from $i+1 instead of 0 as we do in multiplication. - for ($j = $i + 1, $k = $i2 + 1; $j <= $max_index; ++$j, ++$k) { - $temp = $square_value[$k] + 2 * $value[$j] * $value[$i] + $carry; - $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $square_value[$k] = (int) ($temp - self::$baseFull * $carry); - } - - // the following line can yield values larger 2**15. at this point, PHP should switch - // over to floats. - $square_value[$i + $max_index + 1] = $carry; - } - - return $square_value; - } - - /** - * Performs Karatsuba "squaring" on two BigIntegers - * - * See {@link http://en.wikipedia.org/wiki/Karatsuba_algorithm Karatsuba algorithm} and - * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=151 MPM 5.3.4}. - * - * @param array $value - * @return array - * @access private - */ - function _karatsubaSquare($value) - { - $m = count($value) >> 1; - - if ($m < self::KARATSUBA_CUTOFF) { - return $this->_baseSquare($value); - } - - $x1 = array_slice($value, $m); - $x0 = array_slice($value, 0, $m); - - $z2 = $this->_karatsubaSquare($x1); - $z0 = $this->_karatsubaSquare($x0); - - $z1 = $this->_add($x1, false, $x0, false); - $z1 = $this->_karatsubaSquare($z1[self::VALUE]); - $temp = $this->_add($z2, false, $z0, false); - $z1 = $this->_subtract($z1, false, $temp[self::VALUE], false); - - $z2 = array_merge(array_fill(0, 2 * $m, 0), $z2); - $z1[self::VALUE] = array_merge(array_fill(0, $m, 0), $z1[self::VALUE]); - - $xx = $this->_add($z2, false, $z1[self::VALUE], $z1[self::SIGN]); - $xx = $this->_add($xx[self::VALUE], $xx[self::SIGN], $z0, false); - - return $xx[self::VALUE]; - } - - /** - * Divides two BigIntegers. - * - * Returns an array whose first element contains the quotient and whose second element contains the - * "common residue". If the remainder would be positive, the "common residue" and the remainder are the - * same. If the remainder would be negative, the "common residue" is equal to the sum of the remainder - * and the divisor (basically, the "common residue" is the first positive modulo). - * - * Here's an example: - * - * divide($b); - * - * echo $quotient->toString(); // outputs 0 - * echo "\r\n"; - * echo $remainder->toString(); // outputs 10 - * ?> - * - * - * @param \phpseclib\Math\BigInteger $y - * @return array - * @access public - * @internal This function is based off of {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=9 HAC 14.20}. - */ - function divide($y) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $quotient = new static(); - $remainder = new static(); - - list($quotient->value, $remainder->value) = gmp_div_qr($this->value, $y->value); - - if (gmp_sign($remainder->value) < 0) { - $remainder->value = gmp_add($remainder->value, gmp_abs($y->value)); - } - - return array($this->_normalize($quotient), $this->_normalize($remainder)); - case self::MODE_BCMATH: - $quotient = new static(); - $remainder = new static(); - - $quotient->value = bcdiv($this->value, $y->value, 0); - $remainder->value = bcmod($this->value, $y->value); - - if ($remainder->value[0] == '-') { - $remainder->value = bcadd($remainder->value, $y->value[0] == '-' ? substr($y->value, 1) : $y->value, 0); - } - - return array($this->_normalize($quotient), $this->_normalize($remainder)); - } - - if (count($y->value) == 1) { - list($q, $r) = $this->_divide_digit($this->value, $y->value[0]); - $quotient = new static(); - $remainder = new static(); - $quotient->value = $q; - $remainder->value = array($r); - $quotient->is_negative = $this->is_negative != $y->is_negative; - return array($this->_normalize($quotient), $this->_normalize($remainder)); - } - - static $zero; - if (!isset($zero)) { - $zero = new static(); - } - - $x = $this->copy(); - $y = $y->copy(); - - $x_sign = $x->is_negative; - $y_sign = $y->is_negative; - - $x->is_negative = $y->is_negative = false; - - $diff = $x->compare($y); - - if (!$diff) { - $temp = new static(); - $temp->value = array(1); - $temp->is_negative = $x_sign != $y_sign; - return array($this->_normalize($temp), $this->_normalize(new static())); - } - - if ($diff < 0) { - // if $x is negative, "add" $y. - if ($x_sign) { - $x = $y->subtract($x); - } - return array($this->_normalize(new static()), $this->_normalize($x)); - } - - // normalize $x and $y as described in HAC 14.23 / 14.24 - $msb = $y->value[count($y->value) - 1]; - for ($shift = 0; !($msb & self::$msb); ++$shift) { - $msb <<= 1; - } - $x->_lshift($shift); - $y->_lshift($shift); - $y_value = &$y->value; - - $x_max = count($x->value) - 1; - $y_max = count($y->value) - 1; - - $quotient = new static(); - $quotient_value = &$quotient->value; - $quotient_value = $this->_array_repeat(0, $x_max - $y_max + 1); - - static $temp, $lhs, $rhs; - if (!isset($temp)) { - $temp = new static(); - $lhs = new static(); - $rhs = new static(); - } - $temp_value = &$temp->value; - $rhs_value = &$rhs->value; - - // $temp = $y << ($x_max - $y_max-1) in base 2**26 - $temp_value = array_merge($this->_array_repeat(0, $x_max - $y_max), $y_value); - - while ($x->compare($temp) >= 0) { - // calculate the "common residue" - ++$quotient_value[$x_max - $y_max]; - $x = $x->subtract($temp); - $x_max = count($x->value) - 1; - } - - for ($i = $x_max; $i >= $y_max + 1; --$i) { - $x_value = &$x->value; - $x_window = array( - isset($x_value[$i]) ? $x_value[$i] : 0, - isset($x_value[$i - 1]) ? $x_value[$i - 1] : 0, - isset($x_value[$i - 2]) ? $x_value[$i - 2] : 0 - ); - $y_window = array( - $y_value[$y_max], - ($y_max > 0) ? $y_value[$y_max - 1] : 0 - ); - - $q_index = $i - $y_max - 1; - if ($x_window[0] == $y_window[0]) { - $quotient_value[$q_index] = self::$maxDigit; - } else { - $quotient_value[$q_index] = $this->_safe_divide( - $x_window[0] * self::$baseFull + $x_window[1], - $y_window[0] - ); - } - - $temp_value = array($y_window[1], $y_window[0]); - - $lhs->value = array($quotient_value[$q_index]); - $lhs = $lhs->multiply($temp); - - $rhs_value = array($x_window[2], $x_window[1], $x_window[0]); - - while ($lhs->compare($rhs) > 0) { - --$quotient_value[$q_index]; - - $lhs->value = array($quotient_value[$q_index]); - $lhs = $lhs->multiply($temp); - } - - $adjust = $this->_array_repeat(0, $q_index); - $temp_value = array($quotient_value[$q_index]); - $temp = $temp->multiply($y); - $temp_value = &$temp->value; - $temp_value = array_merge($adjust, $temp_value); - - $x = $x->subtract($temp); - - if ($x->compare($zero) < 0) { - $temp_value = array_merge($adjust, $y_value); - $x = $x->add($temp); - - --$quotient_value[$q_index]; - } - - $x_max = count($x_value) - 1; - } - - // unnormalize the remainder - $x->_rshift($shift); - - $quotient->is_negative = $x_sign != $y_sign; - - // calculate the "common residue", if appropriate - if ($x_sign) { - $y->_rshift($shift); - $x = $y->subtract($x); - } - - return array($this->_normalize($quotient), $this->_normalize($x)); - } - - /** - * Divides a BigInteger by a regular integer - * - * abc / x = a00 / x + b0 / x + c / x - * - * @param array $dividend - * @param array $divisor - * @return array - * @access private - */ - function _divide_digit($dividend, $divisor) - { - $carry = 0; - $result = array(); - - for ($i = count($dividend) - 1; $i >= 0; --$i) { - $temp = self::$baseFull * $carry + $dividend[$i]; - $result[$i] = $this->_safe_divide($temp, $divisor); - $carry = (int) ($temp - $divisor * $result[$i]); - } - - return array($result, $carry); - } - - /** - * Performs modular exponentiation. - * - * Here's an example: - * - * modPow($b, $c); - * - * echo $c->toString(); // outputs 10 - * ?> - * - * - * @param \phpseclib\Math\BigInteger $e - * @param \phpseclib\Math\BigInteger $n - * @return \phpseclib\Math\BigInteger - * @access public - * @internal The most naive approach to modular exponentiation has very unreasonable requirements, and - * and although the approach involving repeated squaring does vastly better, it, too, is impractical - * for our purposes. The reason being that division - by far the most complicated and time-consuming - * of the basic operations (eg. +,-,*,/) - occurs multiple times within it. - * - * Modular reductions resolve this issue. Although an individual modular reduction takes more time - * then an individual division, when performed in succession (with the same modulo), they're a lot faster. - * - * The two most commonly used modular reductions are Barrett and Montgomery reduction. Montgomery reduction, - * although faster, only works when the gcd of the modulo and of the base being used is 1. In RSA, when the - * base is a power of two, the modulo - a product of two primes - is always going to have a gcd of 1 (because - * the product of two odd numbers is odd), but what about when RSA isn't used? - * - * In contrast, Barrett reduction has no such constraint. As such, some bigint implementations perform a - * Barrett reduction after every operation in the modpow function. Others perform Barrett reductions when the - * modulo is even and Montgomery reductions when the modulo is odd. BigInteger.java's modPow method, however, - * uses a trick involving the Chinese Remainder Theorem to factor the even modulo into two numbers - one odd and - * the other, a power of two - and recombine them, later. This is the method that this modPow function uses. - * {@link http://islab.oregonstate.edu/papers/j34monex.pdf Montgomery Reduction with Even Modulus} elaborates. - */ - function modPow($e, $n) - { - $n = $this->bitmask !== false && $this->bitmask->compare($n) < 0 ? $this->bitmask : $n->abs(); - - if ($e->compare(new static()) < 0) { - $e = $e->abs(); - - $temp = $this->modInverse($n); - if ($temp === false) { - return false; - } - - return $this->_normalize($temp->modPow($e, $n)); - } - - if (MATH_BIGINTEGER_MODE == self::MODE_GMP) { - $temp = new static(); - $temp->value = gmp_powm($this->value, $e->value, $n->value); - - return $this->_normalize($temp); - } - - if ($this->compare(new static()) < 0 || $this->compare($n) > 0) { - list(, $temp) = $this->divide($n); - return $temp->modPow($e, $n); - } - - if (defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) { - $components = array( - 'modulus' => $n->toBytes(true), - 'publicExponent' => $e->toBytes(true) - ); - - $components = array( - 'modulus' => pack('Ca*a*', 2, $this->_encodeASN1Length(strlen($components['modulus'])), $components['modulus']), - 'publicExponent' => pack('Ca*a*', 2, $this->_encodeASN1Length(strlen($components['publicExponent'])), $components['publicExponent']) - ); - - $RSAPublicKey = pack( - 'Ca*a*a*', - 48, - $this->_encodeASN1Length(strlen($components['modulus']) + strlen($components['publicExponent'])), - $components['modulus'], - $components['publicExponent'] - ); - - $rsaOID = pack('H*', '300d06092a864886f70d0101010500'); // hex version of MA0GCSqGSIb3DQEBAQUA - $RSAPublicKey = chr(0) . $RSAPublicKey; - $RSAPublicKey = chr(3) . $this->_encodeASN1Length(strlen($RSAPublicKey)) . $RSAPublicKey; - - $encapsulated = pack( - 'Ca*a*', - 48, - $this->_encodeASN1Length(strlen($rsaOID . $RSAPublicKey)), - $rsaOID . $RSAPublicKey - ); - - $RSAPublicKey = "-----BEGIN PUBLIC KEY-----\r\n" . - chunk_split(base64_encode($encapsulated)) . - '-----END PUBLIC KEY-----'; - - $plaintext = str_pad($this->toBytes(), strlen($n->toBytes(true)) - 1, "\0", STR_PAD_LEFT); - - if (openssl_public_encrypt($plaintext, $result, $RSAPublicKey, OPENSSL_NO_PADDING)) { - return new static($result, 256); - } - } - - if (MATH_BIGINTEGER_MODE == self::MODE_BCMATH) { - $temp = new static(); - $temp->value = bcpowmod($this->value, $e->value, $n->value, 0); - - return $this->_normalize($temp); - } - - if (empty($e->value)) { - $temp = new static(); - $temp->value = array(1); - return $this->_normalize($temp); - } - - if ($e->value == array(1)) { - list(, $temp) = $this->divide($n); - return $this->_normalize($temp); - } - - if ($e->value == array(2)) { - $temp = new static(); - $temp->value = $this->_square($this->value); - list(, $temp) = $temp->divide($n); - return $this->_normalize($temp); - } - - return $this->_normalize($this->_slidingWindow($e, $n, self::BARRETT)); - - // the following code, although not callable, can be run independently of the above code - // although the above code performed better in my benchmarks the following could might - // perform better under different circumstances. in lieu of deleting it it's just been - // made uncallable - - // is the modulo odd? - if ($n->value[0] & 1) { - return $this->_normalize($this->_slidingWindow($e, $n, self::MONTGOMERY)); - } - // if it's not, it's even - - // find the lowest set bit (eg. the max pow of 2 that divides $n) - for ($i = 0; $i < count($n->value); ++$i) { - if ($n->value[$i]) { - $temp = decbin($n->value[$i]); - $j = strlen($temp) - strrpos($temp, '1') - 1; - $j+= 26 * $i; - break; - } - } - // at this point, 2^$j * $n/(2^$j) == $n - - $mod1 = $n->copy(); - $mod1->_rshift($j); - $mod2 = new static(); - $mod2->value = array(1); - $mod2->_lshift($j); - - $part1 = ($mod1->value != array(1)) ? $this->_slidingWindow($e, $mod1, self::MONTGOMERY) : new static(); - $part2 = $this->_slidingWindow($e, $mod2, self::POWEROF2); - - $y1 = $mod2->modInverse($mod1); - $y2 = $mod1->modInverse($mod2); - - $result = $part1->multiply($mod2); - $result = $result->multiply($y1); - - $temp = $part2->multiply($mod1); - $temp = $temp->multiply($y2); - - $result = $result->add($temp); - list(, $result) = $result->divide($n); - - return $this->_normalize($result); - } - - /** - * Performs modular exponentiation. - * - * Alias for modPow(). - * - * @param \phpseclib\Math\BigInteger $e - * @param \phpseclib\Math\BigInteger $n - * @return \phpseclib\Math\BigInteger - * @access public - */ - function powMod($e, $n) - { - return $this->modPow($e, $n); - } - - /** - * Sliding Window k-ary Modular Exponentiation - * - * Based on {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=27 HAC 14.85} / - * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=210 MPM 7.7}. In a departure from those algorithims, - * however, this function performs a modular reduction after every multiplication and squaring operation. - * As such, this function has the same preconditions that the reductions being used do. - * - * @param \phpseclib\Math\BigInteger $e - * @param \phpseclib\Math\BigInteger $n - * @param int $mode - * @return \phpseclib\Math\BigInteger - * @access private - */ - function _slidingWindow($e, $n, $mode) - { - static $window_ranges = array(7, 25, 81, 241, 673, 1793); // from BigInteger.java's oddModPow function - //static $window_ranges = array(0, 7, 36, 140, 450, 1303, 3529); // from MPM 7.3.1 - - $e_value = $e->value; - $e_length = count($e_value) - 1; - $e_bits = decbin($e_value[$e_length]); - for ($i = $e_length - 1; $i >= 0; --$i) { - $e_bits.= str_pad(decbin($e_value[$i]), self::$base, '0', STR_PAD_LEFT); - } - - $e_length = strlen($e_bits); - - // calculate the appropriate window size. - // $window_size == 3 if $window_ranges is between 25 and 81, for example. - for ($i = 0, $window_size = 1; $i < count($window_ranges) && $e_length > $window_ranges[$i]; ++$window_size, ++$i) { - } - - $n_value = $n->value; - - // precompute $this^0 through $this^$window_size - $powers = array(); - $powers[1] = $this->_prepareReduce($this->value, $n_value, $mode); - $powers[2] = $this->_squareReduce($powers[1], $n_value, $mode); - - // we do every other number since substr($e_bits, $i, $j+1) (see below) is supposed to end - // in a 1. ie. it's supposed to be odd. - $temp = 1 << ($window_size - 1); - for ($i = 1; $i < $temp; ++$i) { - $i2 = $i << 1; - $powers[$i2 + 1] = $this->_multiplyReduce($powers[$i2 - 1], $powers[2], $n_value, $mode); - } - - $result = array(1); - $result = $this->_prepareReduce($result, $n_value, $mode); - - for ($i = 0; $i < $e_length;) { - if (!$e_bits[$i]) { - $result = $this->_squareReduce($result, $n_value, $mode); - ++$i; - } else { - for ($j = $window_size - 1; $j > 0; --$j) { - if (!empty($e_bits[$i + $j])) { - break; - } - } - - // eg. the length of substr($e_bits, $i, $j + 1) - for ($k = 0; $k <= $j; ++$k) { - $result = $this->_squareReduce($result, $n_value, $mode); - } - - $result = $this->_multiplyReduce($result, $powers[bindec(substr($e_bits, $i, $j + 1))], $n_value, $mode); - - $i += $j + 1; - } - } - - $temp = new static(); - $temp->value = $this->_reduce($result, $n_value, $mode); - - return $temp; - } - - /** - * Modular reduction - * - * For most $modes this will return the remainder. - * - * @see self::_slidingWindow() - * @access private - * @param array $x - * @param array $n - * @param int $mode - * @return array - */ - function _reduce($x, $n, $mode) - { - switch ($mode) { - case self::MONTGOMERY: - return $this->_montgomery($x, $n); - case self::BARRETT: - return $this->_barrett($x, $n); - case self::POWEROF2: - $lhs = new static(); - $lhs->value = $x; - $rhs = new static(); - $rhs->value = $n; - return $x->_mod2($n); - case self::CLASSIC: - $lhs = new static(); - $lhs->value = $x; - $rhs = new static(); - $rhs->value = $n; - list(, $temp) = $lhs->divide($rhs); - return $temp->value; - case self::NONE: - return $x; - default: - // an invalid $mode was provided - } - } - - /** - * Modular reduction preperation - * - * @see self::_slidingWindow() - * @access private - * @param array $x - * @param array $n - * @param int $mode - * @return array - */ - function _prepareReduce($x, $n, $mode) - { - if ($mode == self::MONTGOMERY) { - return $this->_prepMontgomery($x, $n); - } - return $this->_reduce($x, $n, $mode); - } - - /** - * Modular multiply - * - * @see self::_slidingWindow() - * @access private - * @param array $x - * @param array $y - * @param array $n - * @param int $mode - * @return array - */ - function _multiplyReduce($x, $y, $n, $mode) - { - if ($mode == self::MONTGOMERY) { - return $this->_montgomeryMultiply($x, $y, $n); - } - $temp = $this->_multiply($x, false, $y, false); - return $this->_reduce($temp[self::VALUE], $n, $mode); - } - - /** - * Modular square - * - * @see self::_slidingWindow() - * @access private - * @param array $x - * @param array $n - * @param int $mode - * @return array - */ - function _squareReduce($x, $n, $mode) - { - if ($mode == self::MONTGOMERY) { - return $this->_montgomeryMultiply($x, $x, $n); - } - return $this->_reduce($this->_square($x), $n, $mode); - } - - /** - * Modulos for Powers of Two - * - * Calculates $x%$n, where $n = 2**$e, for some $e. Since this is basically the same as doing $x & ($n-1), - * we'll just use this function as a wrapper for doing that. - * - * @see self::_slidingWindow() - * @access private - * @param \phpseclib\Math\BigInteger - * @return \phpseclib\Math\BigInteger - */ - function _mod2($n) - { - $temp = new static(); - $temp->value = array(1); - return $this->bitwise_and($n->subtract($temp)); - } - - /** - * Barrett Modular Reduction - * - * See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=14 HAC 14.3.3} / - * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=165 MPM 6.2.5} for more information. Modified slightly, - * so as not to require negative numbers (initially, this script didn't support negative numbers). - * - * Employs "folding", as described at - * {@link http://www.cosic.esat.kuleuven.be/publications/thesis-149.pdf#page=66 thesis-149.pdf#page=66}. To quote from - * it, "the idea [behind folding] is to find a value x' such that x (mod m) = x' (mod m), with x' being smaller than x." - * - * Unfortunately, the "Barrett Reduction with Folding" algorithm described in thesis-149.pdf is not, as written, all that - * usable on account of (1) its not using reasonable radix points as discussed in - * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=162 MPM 6.2.2} and (2) the fact that, even with reasonable - * radix points, it only works when there are an even number of digits in the denominator. The reason for (2) is that - * (x >> 1) + (x >> 1) != x / 2 + x / 2. If x is even, they're the same, but if x is odd, they're not. See the in-line - * comments for details. - * - * @see self::_slidingWindow() - * @access private - * @param array $n - * @param array $m - * @return array - */ - function _barrett($n, $m) - { - static $cache = array( - self::VARIABLE => array(), - self::DATA => array() - ); - - $m_length = count($m); - - // if ($this->_compare($n, $this->_square($m)) >= 0) { - if (count($n) > 2 * $m_length) { - $lhs = new static(); - $rhs = new static(); - $lhs->value = $n; - $rhs->value = $m; - list(, $temp) = $lhs->divide($rhs); - return $temp->value; - } - - // if (m.length >> 1) + 2 <= m.length then m is too small and n can't be reduced - if ($m_length < 5) { - return $this->_regularBarrett($n, $m); - } - - // n = 2 * m.length - - if (($key = array_search($m, $cache[self::VARIABLE])) === false) { - $key = count($cache[self::VARIABLE]); - $cache[self::VARIABLE][] = $m; - - $lhs = new static(); - $lhs_value = &$lhs->value; - $lhs_value = $this->_array_repeat(0, $m_length + ($m_length >> 1)); - $lhs_value[] = 1; - $rhs = new static(); - $rhs->value = $m; - - list($u, $m1) = $lhs->divide($rhs); - $u = $u->value; - $m1 = $m1->value; - - $cache[self::DATA][] = array( - 'u' => $u, // m.length >> 1 (technically (m.length >> 1) + 1) - 'm1'=> $m1 // m.length - ); - } else { - extract($cache[self::DATA][$key]); - } - - $cutoff = $m_length + ($m_length >> 1); - $lsd = array_slice($n, 0, $cutoff); // m.length + (m.length >> 1) - $msd = array_slice($n, $cutoff); // m.length >> 1 - $lsd = $this->_trim($lsd); - $temp = $this->_multiply($msd, false, $m1, false); - $n = $this->_add($lsd, false, $temp[self::VALUE], false); // m.length + (m.length >> 1) + 1 - - if ($m_length & 1) { - return $this->_regularBarrett($n[self::VALUE], $m); - } - - // (m.length + (m.length >> 1) + 1) - (m.length - 1) == (m.length >> 1) + 2 - $temp = array_slice($n[self::VALUE], $m_length - 1); - // if even: ((m.length >> 1) + 2) + (m.length >> 1) == m.length + 2 - // if odd: ((m.length >> 1) + 2) + (m.length >> 1) == (m.length - 1) + 2 == m.length + 1 - $temp = $this->_multiply($temp, false, $u, false); - // if even: (m.length + 2) - ((m.length >> 1) + 1) = m.length - (m.length >> 1) + 1 - // if odd: (m.length + 1) - ((m.length >> 1) + 1) = m.length - (m.length >> 1) - $temp = array_slice($temp[self::VALUE], ($m_length >> 1) + 1); - // if even: (m.length - (m.length >> 1) + 1) + m.length = 2 * m.length - (m.length >> 1) + 1 - // if odd: (m.length - (m.length >> 1)) + m.length = 2 * m.length - (m.length >> 1) - $temp = $this->_multiply($temp, false, $m, false); - - // at this point, if m had an odd number of digits, we'd be subtracting a 2 * m.length - (m.length >> 1) digit - // number from a m.length + (m.length >> 1) + 1 digit number. ie. there'd be an extra digit and the while loop - // following this comment would loop a lot (hence our calling _regularBarrett() in that situation). - - $result = $this->_subtract($n[self::VALUE], false, $temp[self::VALUE], false); - - while ($this->_compare($result[self::VALUE], $result[self::SIGN], $m, false) >= 0) { - $result = $this->_subtract($result[self::VALUE], $result[self::SIGN], $m, false); - } - - return $result[self::VALUE]; - } - - /** - * (Regular) Barrett Modular Reduction - * - * For numbers with more than four digits BigInteger::_barrett() is faster. The difference between that and this - * is that this function does not fold the denominator into a smaller form. - * - * @see self::_slidingWindow() - * @access private - * @param array $x - * @param array $n - * @return array - */ - function _regularBarrett($x, $n) - { - static $cache = array( - self::VARIABLE => array(), - self::DATA => array() - ); - - $n_length = count($n); - - if (count($x) > 2 * $n_length) { - $lhs = new static(); - $rhs = new static(); - $lhs->value = $x; - $rhs->value = $n; - list(, $temp) = $lhs->divide($rhs); - return $temp->value; - } - - if (($key = array_search($n, $cache[self::VARIABLE])) === false) { - $key = count($cache[self::VARIABLE]); - $cache[self::VARIABLE][] = $n; - $lhs = new static(); - $lhs_value = &$lhs->value; - $lhs_value = $this->_array_repeat(0, 2 * $n_length); - $lhs_value[] = 1; - $rhs = new static(); - $rhs->value = $n; - list($temp, ) = $lhs->divide($rhs); // m.length - $cache[self::DATA][] = $temp->value; - } - - // 2 * m.length - (m.length - 1) = m.length + 1 - $temp = array_slice($x, $n_length - 1); - // (m.length + 1) + m.length = 2 * m.length + 1 - $temp = $this->_multiply($temp, false, $cache[self::DATA][$key], false); - // (2 * m.length + 1) - (m.length - 1) = m.length + 2 - $temp = array_slice($temp[self::VALUE], $n_length + 1); - - // m.length + 1 - $result = array_slice($x, 0, $n_length + 1); - // m.length + 1 - $temp = $this->_multiplyLower($temp, false, $n, false, $n_length + 1); - // $temp == array_slice($temp->_multiply($temp, false, $n, false)->value, 0, $n_length + 1) - - if ($this->_compare($result, false, $temp[self::VALUE], $temp[self::SIGN]) < 0) { - $corrector_value = $this->_array_repeat(0, $n_length + 1); - $corrector_value[count($corrector_value)] = 1; - $result = $this->_add($result, false, $corrector_value, false); - $result = $result[self::VALUE]; - } - - // at this point, we're subtracting a number with m.length + 1 digits from another number with m.length + 1 digits - $result = $this->_subtract($result, false, $temp[self::VALUE], $temp[self::SIGN]); - while ($this->_compare($result[self::VALUE], $result[self::SIGN], $n, false) > 0) { - $result = $this->_subtract($result[self::VALUE], $result[self::SIGN], $n, false); - } - - return $result[self::VALUE]; - } - - /** - * Performs long multiplication up to $stop digits - * - * If you're going to be doing array_slice($product->value, 0, $stop), some cycles can be saved. - * - * @see self::_regularBarrett() - * @param array $x_value - * @param bool $x_negative - * @param array $y_value - * @param bool $y_negative - * @param int $stop - * @return array - * @access private - */ - function _multiplyLower($x_value, $x_negative, $y_value, $y_negative, $stop) - { - $x_length = count($x_value); - $y_length = count($y_value); - - if (!$x_length || !$y_length) { // a 0 is being multiplied - return array( - self::VALUE => array(), - self::SIGN => false - ); - } - - if ($x_length < $y_length) { - $temp = $x_value; - $x_value = $y_value; - $y_value = $temp; - - $x_length = count($x_value); - $y_length = count($y_value); - } - - $product_value = $this->_array_repeat(0, $x_length + $y_length); - - // the following for loop could be removed if the for loop following it - // (the one with nested for loops) initially set $i to 0, but - // doing so would also make the result in one set of unnecessary adds, - // since on the outermost loops first pass, $product->value[$k] is going - // to always be 0 - - $carry = 0; - - for ($j = 0; $j < $x_length; ++$j) { // ie. $i = 0, $k = $i - $temp = $x_value[$j] * $y_value[0] + $carry; // $product_value[$k] == 0 - $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $product_value[$j] = (int) ($temp - self::$baseFull * $carry); - } - - if ($j < $stop) { - $product_value[$j] = $carry; - } - - // the above for loop is what the previous comment was talking about. the - // following for loop is the "one with nested for loops" - - for ($i = 1; $i < $y_length; ++$i) { - $carry = 0; - - for ($j = 0, $k = $i; $j < $x_length && $k < $stop; ++$j, ++$k) { - $temp = $product_value[$k] + $x_value[$j] * $y_value[$i] + $carry; - $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $product_value[$k] = (int) ($temp - self::$baseFull * $carry); - } - - if ($k < $stop) { - $product_value[$k] = $carry; - } - } - - return array( - self::VALUE => $this->_trim($product_value), - self::SIGN => $x_negative != $y_negative - ); - } - - /** - * Montgomery Modular Reduction - * - * ($x->_prepMontgomery($n))->_montgomery($n) yields $x % $n. - * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=170 MPM 6.3} provides insights on how this can be - * improved upon (basically, by using the comba method). gcd($n, 2) must be equal to one for this function - * to work correctly. - * - * @see self::_prepMontgomery() - * @see self::_slidingWindow() - * @access private - * @param array $x - * @param array $n - * @return array - */ - function _montgomery($x, $n) - { - static $cache = array( - self::VARIABLE => array(), - self::DATA => array() - ); - - if (($key = array_search($n, $cache[self::VARIABLE])) === false) { - $key = count($cache[self::VARIABLE]); - $cache[self::VARIABLE][] = $x; - $cache[self::DATA][] = $this->_modInverse67108864($n); - } - - $k = count($n); - - $result = array(self::VALUE => $x); - - for ($i = 0; $i < $k; ++$i) { - $temp = $result[self::VALUE][$i] * $cache[self::DATA][$key]; - $temp = $temp - self::$baseFull * (self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31)); - $temp = $this->_regularMultiply(array($temp), $n); - $temp = array_merge($this->_array_repeat(0, $i), $temp); - $result = $this->_add($result[self::VALUE], false, $temp, false); - } - - $result[self::VALUE] = array_slice($result[self::VALUE], $k); - - if ($this->_compare($result, false, $n, false) >= 0) { - $result = $this->_subtract($result[self::VALUE], false, $n, false); - } - - return $result[self::VALUE]; - } - - /** - * Montgomery Multiply - * - * Interleaves the montgomery reduction and long multiplication algorithms together as described in - * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=13 HAC 14.36} - * - * @see self::_prepMontgomery() - * @see self::_montgomery() - * @access private - * @param array $x - * @param array $y - * @param array $m - * @return array - */ - function _montgomeryMultiply($x, $y, $m) - { - $temp = $this->_multiply($x, false, $y, false); - return $this->_montgomery($temp[self::VALUE], $m); - - // the following code, although not callable, can be run independently of the above code - // although the above code performed better in my benchmarks the following could might - // perform better under different circumstances. in lieu of deleting it it's just been - // made uncallable - - static $cache = array( - self::VARIABLE => array(), - self::DATA => array() - ); - - if (($key = array_search($m, $cache[self::VARIABLE])) === false) { - $key = count($cache[self::VARIABLE]); - $cache[self::VARIABLE][] = $m; - $cache[self::DATA][] = $this->_modInverse67108864($m); - } - - $n = max(count($x), count($y), count($m)); - $x = array_pad($x, $n, 0); - $y = array_pad($y, $n, 0); - $m = array_pad($m, $n, 0); - $a = array(self::VALUE => $this->_array_repeat(0, $n + 1)); - for ($i = 0; $i < $n; ++$i) { - $temp = $a[self::VALUE][0] + $x[$i] * $y[0]; - $temp = $temp - self::$baseFull * (self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31)); - $temp = $temp * $cache[self::DATA][$key]; - $temp = $temp - self::$baseFull * (self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31)); - $temp = $this->_add($this->_regularMultiply(array($x[$i]), $y), false, $this->_regularMultiply(array($temp), $m), false); - $a = $this->_add($a[self::VALUE], false, $temp[self::VALUE], false); - $a[self::VALUE] = array_slice($a[self::VALUE], 1); - } - if ($this->_compare($a[self::VALUE], false, $m, false) >= 0) { - $a = $this->_subtract($a[self::VALUE], false, $m, false); - } - return $a[self::VALUE]; - } - - /** - * Prepare a number for use in Montgomery Modular Reductions - * - * @see self::_montgomery() - * @see self::_slidingWindow() - * @access private - * @param array $x - * @param array $n - * @return array - */ - function _prepMontgomery($x, $n) - { - $lhs = new static(); - $lhs->value = array_merge($this->_array_repeat(0, count($n)), $x); - $rhs = new static(); - $rhs->value = $n; - - list(, $temp) = $lhs->divide($rhs); - return $temp->value; - } - - /** - * Modular Inverse of a number mod 2**26 (eg. 67108864) - * - * Based off of the bnpInvDigit function implemented and justified in the following URL: - * - * {@link http://www-cs-students.stanford.edu/~tjw/jsbn/jsbn.js} - * - * The following URL provides more info: - * - * {@link http://groups.google.com/group/sci.crypt/msg/7a137205c1be7d85} - * - * As for why we do all the bitmasking... strange things can happen when converting from floats to ints. For - * instance, on some computers, var_dump((int) -4294967297) yields int(-1) and on others, it yields - * int(-2147483648). To avoid problems stemming from this, we use bitmasks to guarantee that ints aren't - * auto-converted to floats. The outermost bitmask is present because without it, there's no guarantee that - * the "residue" returned would be the so-called "common residue". We use fmod, in the last step, because the - * maximum possible $x is 26 bits and the maximum $result is 16 bits. Thus, we have to be able to handle up to - * 40 bits, which only 64-bit floating points will support. - * - * Thanks to Pedro Gimeno Fortea for input! - * - * @see self::_montgomery() - * @access private - * @param array $x - * @return int - */ - function _modInverse67108864($x) // 2**26 == 67,108,864 - { - $x = -$x[0]; - $result = $x & 0x3; // x**-1 mod 2**2 - $result = ($result * (2 - $x * $result)) & 0xF; // x**-1 mod 2**4 - $result = ($result * (2 - ($x & 0xFF) * $result)) & 0xFF; // x**-1 mod 2**8 - $result = ($result * ((2 - ($x & 0xFFFF) * $result) & 0xFFFF)) & 0xFFFF; // x**-1 mod 2**16 - $result = fmod($result * (2 - fmod($x * $result, self::$baseFull)), self::$baseFull); // x**-1 mod 2**26 - return $result & self::$maxDigit; - } - - /** - * Calculates modular inverses. - * - * Say you have (30 mod 17 * x mod 17) mod 17 == 1. x can be found using modular inverses. - * - * Here's an example: - * - * modInverse($b); - * echo $c->toString(); // outputs 4 - * - * echo "\r\n"; - * - * $d = $a->multiply($c); - * list(, $d) = $d->divide($b); - * echo $d; // outputs 1 (as per the definition of modular inverse) - * ?> - * - * - * @param \phpseclib\Math\BigInteger $n - * @return \phpseclib\Math\BigInteger|false - * @access public - * @internal See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=21 HAC 14.64} for more information. - */ - function modInverse($n) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $temp = new static(); - $temp->value = gmp_invert($this->value, $n->value); - - return ($temp->value === false) ? false : $this->_normalize($temp); - } - - static $zero, $one; - if (!isset($zero)) { - $zero = new static(); - $one = new static(1); - } - - // $x mod -$n == $x mod $n. - $n = $n->abs(); - - if ($this->compare($zero) < 0) { - $temp = $this->abs(); - $temp = $temp->modInverse($n); - return $this->_normalize($n->subtract($temp)); - } - - extract($this->extendedGCD($n)); - - if (!$gcd->equals($one)) { - return false; - } - - $x = $x->compare($zero) < 0 ? $x->add($n) : $x; - - return $this->compare($zero) < 0 ? $this->_normalize($n->subtract($x)) : $this->_normalize($x); - } - - /** - * Calculates the greatest common divisor and Bezout's identity. - * - * Say you have 693 and 609. The GCD is 21. Bezout's identity states that there exist integers x and y such that - * 693*x + 609*y == 21. In point of fact, there are actually an infinite number of x and y combinations and which - * combination is returned is dependent upon which mode is in use. See - * {@link http://en.wikipedia.org/wiki/B%C3%A9zout%27s_identity Bezout's identity - Wikipedia} for more information. - * - * Here's an example: - * - * extendedGCD($b)); - * - * echo $gcd->toString() . "\r\n"; // outputs 21 - * echo $a->toString() * $x->toString() + $b->toString() * $y->toString(); // outputs 21 - * ?> - * - * - * @param \phpseclib\Math\BigInteger $n - * @return \phpseclib\Math\BigInteger - * @access public - * @internal Calculates the GCD using the binary xGCD algorithim described in - * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=19 HAC 14.61}. As the text above 14.61 notes, - * the more traditional algorithim requires "relatively costly multiple-precision divisions". - */ - function extendedGCD($n) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - extract(gmp_gcdext($this->value, $n->value)); - - return array( - 'gcd' => $this->_normalize(new static($g)), - 'x' => $this->_normalize(new static($s)), - 'y' => $this->_normalize(new static($t)) - ); - case self::MODE_BCMATH: - // it might be faster to use the binary xGCD algorithim here, as well, but (1) that algorithim works - // best when the base is a power of 2 and (2) i don't think it'd make much difference, anyway. as is, - // the basic extended euclidean algorithim is what we're using. - - $u = $this->value; - $v = $n->value; - - $a = '1'; - $b = '0'; - $c = '0'; - $d = '1'; - - while (bccomp($v, '0', 0) != 0) { - $q = bcdiv($u, $v, 0); - - $temp = $u; - $u = $v; - $v = bcsub($temp, bcmul($v, $q, 0), 0); - - $temp = $a; - $a = $c; - $c = bcsub($temp, bcmul($a, $q, 0), 0); - - $temp = $b; - $b = $d; - $d = bcsub($temp, bcmul($b, $q, 0), 0); - } - - return array( - 'gcd' => $this->_normalize(new static($u)), - 'x' => $this->_normalize(new static($a)), - 'y' => $this->_normalize(new static($b)) - ); - } - - $y = $n->copy(); - $x = $this->copy(); - $g = new static(); - $g->value = array(1); - - while (!(($x->value[0] & 1)|| ($y->value[0] & 1))) { - $x->_rshift(1); - $y->_rshift(1); - $g->_lshift(1); - } - - $u = $x->copy(); - $v = $y->copy(); - - $a = new static(); - $b = new static(); - $c = new static(); - $d = new static(); - - $a->value = $d->value = $g->value = array(1); - $b->value = $c->value = array(); - - while (!empty($u->value)) { - while (!($u->value[0] & 1)) { - $u->_rshift(1); - if ((!empty($a->value) && ($a->value[0] & 1)) || (!empty($b->value) && ($b->value[0] & 1))) { - $a = $a->add($y); - $b = $b->subtract($x); - } - $a->_rshift(1); - $b->_rshift(1); - } - - while (!($v->value[0] & 1)) { - $v->_rshift(1); - if ((!empty($d->value) && ($d->value[0] & 1)) || (!empty($c->value) && ($c->value[0] & 1))) { - $c = $c->add($y); - $d = $d->subtract($x); - } - $c->_rshift(1); - $d->_rshift(1); - } - - if ($u->compare($v) >= 0) { - $u = $u->subtract($v); - $a = $a->subtract($c); - $b = $b->subtract($d); - } else { - $v = $v->subtract($u); - $c = $c->subtract($a); - $d = $d->subtract($b); - } - } - - return array( - 'gcd' => $this->_normalize($g->multiply($v)), - 'x' => $this->_normalize($c), - 'y' => $this->_normalize($d) - ); - } - - /** - * Calculates the greatest common divisor - * - * Say you have 693 and 609. The GCD is 21. - * - * Here's an example: - * - * extendedGCD($b); - * - * echo $gcd->toString() . "\r\n"; // outputs 21 - * ?> - * - * - * @param \phpseclib\Math\BigInteger $n - * @return \phpseclib\Math\BigInteger - * @access public - */ - function gcd($n) - { - extract($this->extendedGCD($n)); - return $gcd; - } - - /** - * Absolute value. - * - * @return \phpseclib\Math\BigInteger - * @access public - */ - function abs() - { - $temp = new static(); - - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $temp->value = gmp_abs($this->value); - break; - case self::MODE_BCMATH: - $temp->value = (bccomp($this->value, '0', 0) < 0) ? substr($this->value, 1) : $this->value; - break; - default: - $temp->value = $this->value; - } - - return $temp; - } - - /** - * Compares two numbers. - * - * Although one might think !$x->compare($y) means $x != $y, it, in fact, means the opposite. The reason for this is - * demonstrated thusly: - * - * $x > $y: $x->compare($y) > 0 - * $x < $y: $x->compare($y) < 0 - * $x == $y: $x->compare($y) == 0 - * - * Note how the same comparison operator is used. If you want to test for equality, use $x->equals($y). - * - * @param \phpseclib\Math\BigInteger $y - * @return int < 0 if $this is less than $y; > 0 if $this is greater than $y, and 0 if they are equal. - * @access public - * @see self::equals() - * @internal Could return $this->subtract($x), but that's not as fast as what we do do. - */ - function compare($y) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - return gmp_cmp($this->value, $y->value); - case self::MODE_BCMATH: - return bccomp($this->value, $y->value, 0); - } - - return $this->_compare($this->value, $this->is_negative, $y->value, $y->is_negative); - } - - /** - * Compares two numbers. - * - * @param array $x_value - * @param bool $x_negative - * @param array $y_value - * @param bool $y_negative - * @return int - * @see self::compare() - * @access private - */ - function _compare($x_value, $x_negative, $y_value, $y_negative) - { - if ($x_negative != $y_negative) { - return (!$x_negative && $y_negative) ? 1 : -1; - } - - $result = $x_negative ? -1 : 1; - - if (count($x_value) != count($y_value)) { - return (count($x_value) > count($y_value)) ? $result : -$result; - } - $size = max(count($x_value), count($y_value)); - - $x_value = array_pad($x_value, $size, 0); - $y_value = array_pad($y_value, $size, 0); - - for ($i = count($x_value) - 1; $i >= 0; --$i) { - if ($x_value[$i] != $y_value[$i]) { - return ($x_value[$i] > $y_value[$i]) ? $result : -$result; - } - } - - return 0; - } - - /** - * Tests the equality of two numbers. - * - * If you need to see if one number is greater than or less than another number, use BigInteger::compare() - * - * @param \phpseclib\Math\BigInteger $x - * @return bool - * @access public - * @see self::compare() - */ - function equals($x) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - return gmp_cmp($this->value, $x->value) == 0; - default: - return $this->value === $x->value && $this->is_negative == $x->is_negative; - } - } - - /** - * Set Precision - * - * Some bitwise operations give different results depending on the precision being used. Examples include left - * shift, not, and rotates. - * - * @param int $bits - * @access public - */ - function setPrecision($bits) - { - $this->precision = $bits; - if (MATH_BIGINTEGER_MODE != self::MODE_BCMATH) { - $this->bitmask = new static(chr((1 << ($bits & 0x7)) - 1) . str_repeat(chr(0xFF), $bits >> 3), 256); - } else { - $this->bitmask = new static(bcpow('2', $bits, 0)); - } - - $temp = $this->_normalize($this); - $this->value = $temp->value; - } - - /** - * Logical And - * - * @param \phpseclib\Math\BigInteger $x - * @access public - * @internal Implemented per a request by Lluis Pamies i Juarez - * @return \phpseclib\Math\BigInteger - */ - function bitwise_and($x) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $temp = new static(); - $temp->value = gmp_and($this->value, $x->value); - - return $this->_normalize($temp); - case self::MODE_BCMATH: - $left = $this->toBytes(); - $right = $x->toBytes(); - - $length = max(strlen($left), strlen($right)); - - $left = str_pad($left, $length, chr(0), STR_PAD_LEFT); - $right = str_pad($right, $length, chr(0), STR_PAD_LEFT); - - return $this->_normalize(new static($left & $right, 256)); - } - - $result = $this->copy(); - - $length = min(count($x->value), count($this->value)); - - $result->value = array_slice($result->value, 0, $length); - - for ($i = 0; $i < $length; ++$i) { - $result->value[$i]&= $x->value[$i]; - } - - return $this->_normalize($result); - } - - /** - * Logical Or - * - * @param \phpseclib\Math\BigInteger $x - * @access public - * @internal Implemented per a request by Lluis Pamies i Juarez - * @return \phpseclib\Math\BigInteger - */ - function bitwise_or($x) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $temp = new static(); - $temp->value = gmp_or($this->value, $x->value); - - return $this->_normalize($temp); - case self::MODE_BCMATH: - $left = $this->toBytes(); - $right = $x->toBytes(); - - $length = max(strlen($left), strlen($right)); - - $left = str_pad($left, $length, chr(0), STR_PAD_LEFT); - $right = str_pad($right, $length, chr(0), STR_PAD_LEFT); - - return $this->_normalize(new static($left | $right, 256)); - } - - $length = max(count($this->value), count($x->value)); - $result = $this->copy(); - $result->value = array_pad($result->value, $length, 0); - $x->value = array_pad($x->value, $length, 0); - - for ($i = 0; $i < $length; ++$i) { - $result->value[$i]|= $x->value[$i]; - } - - return $this->_normalize($result); - } - - /** - * Logical Exclusive-Or - * - * @param \phpseclib\Math\BigInteger $x - * @access public - * @internal Implemented per a request by Lluis Pamies i Juarez - * @return \phpseclib\Math\BigInteger - */ - function bitwise_xor($x) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $temp = new static(); - $temp->value = gmp_xor(gmp_abs($this->value), gmp_abs($x->value)); - return $this->_normalize($temp); - case self::MODE_BCMATH: - $left = $this->toBytes(); - $right = $x->toBytes(); - - $length = max(strlen($left), strlen($right)); - - $left = str_pad($left, $length, chr(0), STR_PAD_LEFT); - $right = str_pad($right, $length, chr(0), STR_PAD_LEFT); - - return $this->_normalize(new static($left ^ $right, 256)); - } - - $length = max(count($this->value), count($x->value)); - $result = $this->copy(); - $result->is_negative = false; - $result->value = array_pad($result->value, $length, 0); - $x->value = array_pad($x->value, $length, 0); - - for ($i = 0; $i < $length; ++$i) { - $result->value[$i]^= $x->value[$i]; - } - - return $this->_normalize($result); - } - - /** - * Logical Not - * - * @access public - * @internal Implemented per a request by Lluis Pamies i Juarez - * @return \phpseclib\Math\BigInteger - */ - function bitwise_not() - { - // calculuate "not" without regard to $this->precision - // (will always result in a smaller number. ie. ~1 isn't 1111 1110 - it's 0) - $temp = $this->toBytes(); - if ($temp == '') { - return $this->_normalize(new static()); - } - $pre_msb = decbin(ord($temp[0])); - $temp = ~$temp; - $msb = decbin(ord($temp[0])); - if (strlen($msb) == 8) { - $msb = substr($msb, strpos($msb, '0')); - } - $temp[0] = chr(bindec($msb)); - - // see if we need to add extra leading 1's - $current_bits = strlen($pre_msb) + 8 * strlen($temp) - 8; - $new_bits = $this->precision - $current_bits; - if ($new_bits <= 0) { - return $this->_normalize(new static($temp, 256)); - } - - // generate as many leading 1's as we need to. - $leading_ones = chr((1 << ($new_bits & 0x7)) - 1) . str_repeat(chr(0xFF), $new_bits >> 3); - $this->_base256_lshift($leading_ones, $current_bits); - - $temp = str_pad($temp, strlen($leading_ones), chr(0), STR_PAD_LEFT); - - return $this->_normalize(new static($leading_ones | $temp, 256)); - } - - /** - * Logical Right Shift - * - * Shifts BigInteger's by $shift bits, effectively dividing by 2**$shift. - * - * @param int $shift - * @return \phpseclib\Math\BigInteger - * @access public - * @internal The only version that yields any speed increases is the internal version. - */ - function bitwise_rightShift($shift) - { - $temp = new static(); - - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - static $two; - - if (!isset($two)) { - $two = gmp_init('2'); - } - - $temp->value = gmp_div_q($this->value, gmp_pow($two, $shift)); - - break; - case self::MODE_BCMATH: - $temp->value = bcdiv($this->value, bcpow('2', $shift, 0), 0); - - break; - default: // could just replace _lshift with this, but then all _lshift() calls would need to be rewritten - // and I don't want to do that... - $temp->value = $this->value; - $temp->_rshift($shift); - } - - return $this->_normalize($temp); - } - - /** - * Logical Left Shift - * - * Shifts BigInteger's by $shift bits, effectively multiplying by 2**$shift. - * - * @param int $shift - * @return \phpseclib\Math\BigInteger - * @access public - * @internal The only version that yields any speed increases is the internal version. - */ - function bitwise_leftShift($shift) - { - $temp = new static(); - - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - static $two; - - if (!isset($two)) { - $two = gmp_init('2'); - } - - $temp->value = gmp_mul($this->value, gmp_pow($two, $shift)); - - break; - case self::MODE_BCMATH: - $temp->value = bcmul($this->value, bcpow('2', $shift, 0), 0); - - break; - default: // could just replace _rshift with this, but then all _lshift() calls would need to be rewritten - // and I don't want to do that... - $temp->value = $this->value; - $temp->_lshift($shift); - } - - return $this->_normalize($temp); - } - - /** - * Logical Left Rotate - * - * Instead of the top x bits being dropped they're appended to the shifted bit string. - * - * @param int $shift - * @return \phpseclib\Math\BigInteger - * @access public - */ - function bitwise_leftRotate($shift) - { - $bits = $this->toBytes(); - - if ($this->precision > 0) { - $precision = $this->precision; - if (MATH_BIGINTEGER_MODE == self::MODE_BCMATH) { - $mask = $this->bitmask->subtract(new static(1)); - $mask = $mask->toBytes(); - } else { - $mask = $this->bitmask->toBytes(); - } - } else { - $temp = ord($bits[0]); - for ($i = 0; $temp >> $i; ++$i) { - } - $precision = 8 * strlen($bits) - 8 + $i; - $mask = chr((1 << ($precision & 0x7)) - 1) . str_repeat(chr(0xFF), $precision >> 3); - } - - if ($shift < 0) { - $shift+= $precision; - } - $shift%= $precision; - - if (!$shift) { - return $this->copy(); - } - - $left = $this->bitwise_leftShift($shift); - $left = $left->bitwise_and(new static($mask, 256)); - $right = $this->bitwise_rightShift($precision - $shift); - $result = MATH_BIGINTEGER_MODE != self::MODE_BCMATH ? $left->bitwise_or($right) : $left->add($right); - return $this->_normalize($result); - } - - /** - * Logical Right Rotate - * - * Instead of the bottom x bits being dropped they're prepended to the shifted bit string. - * - * @param int $shift - * @return \phpseclib\Math\BigInteger - * @access public - */ - function bitwise_rightRotate($shift) - { - return $this->bitwise_leftRotate(-$shift); - } - - /** - * Generates a random BigInteger - * - * Byte length is equal to $length. Uses \phpseclib\Crypt\Random if it's loaded and mt_rand if it's not. - * - * @param int $length - * @return \phpseclib\Math\BigInteger - * @access private - */ - function _random_number_helper($size) - { - if (class_exists('\phpseclib\Crypt\Random')) { - $random = Random::string($size); - } else { - $random = ''; - - if ($size & 1) { - $random.= chr(mt_rand(0, 255)); - } - - $blocks = $size >> 1; - for ($i = 0; $i < $blocks; ++$i) { - // mt_rand(-2147483648, 0x7FFFFFFF) always produces -2147483648 on some systems - $random.= pack('n', mt_rand(0, 0xFFFF)); - } - } - - return new static($random, 256); - } - - /** - * Generate a random number - * - * Returns a random number between $min and $max where $min and $max - * can be defined using one of the two methods: - * - * $min->random($max) - * $max->random($min) - * - * @param \phpseclib\Math\BigInteger $arg1 - * @param \phpseclib\Math\BigInteger $arg2 - * @return \phpseclib\Math\BigInteger - * @access public - * @internal The API for creating random numbers used to be $a->random($min, $max), where $a was a BigInteger object. - * That method is still supported for BC purposes. - */ - function random($arg1, $arg2 = false) - { - if ($arg1 === false) { - return false; - } - - if ($arg2 === false) { - $max = $arg1; - $min = $this; - } else { - $min = $arg1; - $max = $arg2; - } - - $compare = $max->compare($min); - - if (!$compare) { - return $this->_normalize($min); - } elseif ($compare < 0) { - // if $min is bigger then $max, swap $min and $max - $temp = $max; - $max = $min; - $min = $temp; - } - - static $one; - if (!isset($one)) { - $one = new static(1); - } - - $max = $max->subtract($min->subtract($one)); - $size = strlen(ltrim($max->toBytes(), chr(0))); - - /* - doing $random % $max doesn't work because some numbers will be more likely to occur than others. - eg. if $max is 140 and $random's max is 255 then that'd mean both $random = 5 and $random = 145 - would produce 5 whereas the only value of random that could produce 139 would be 139. ie. - not all numbers would be equally likely. some would be more likely than others. - - creating a whole new random number until you find one that is within the range doesn't work - because, for sufficiently small ranges, the likelihood that you'd get a number within that range - would be pretty small. eg. with $random's max being 255 and if your $max being 1 the probability - would be pretty high that $random would be greater than $max. - - phpseclib works around this using the technique described here: - - http://crypto.stackexchange.com/questions/5708/creating-a-small-number-from-a-cryptographically-secure-random-string - */ - $random_max = new static(chr(1) . str_repeat("\0", $size), 256); - $random = $this->_random_number_helper($size); - - list($max_multiple) = $random_max->divide($max); - $max_multiple = $max_multiple->multiply($max); - - while ($random->compare($max_multiple) >= 0) { - $random = $random->subtract($max_multiple); - $random_max = $random_max->subtract($max_multiple); - $random = $random->bitwise_leftShift(8); - $random = $random->add($this->_random_number_helper(1)); - $random_max = $random_max->bitwise_leftShift(8); - list($max_multiple) = $random_max->divide($max); - $max_multiple = $max_multiple->multiply($max); - } - list(, $random) = $random->divide($max); - - return $this->_normalize($random->add($min)); - } - - /** - * Generate a random prime number. - * - * If there's not a prime within the given range, false will be returned. - * If more than $timeout seconds have elapsed, give up and return false. - * - * @param \phpseclib\Math\BigInteger $arg1 - * @param \phpseclib\Math\BigInteger $arg2 - * @param int $timeout - * @return Math_BigInteger|false - * @access public - * @internal See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap4.pdf#page=15 HAC 4.44}. - */ - function randomPrime($arg1, $arg2 = false, $timeout = false) - { - if ($arg1 === false) { - return false; - } - - if ($arg2 === false) { - $max = $arg1; - $min = $this; - } else { - $min = $arg1; - $max = $arg2; - } - - $compare = $max->compare($min); - - if (!$compare) { - return $min->isPrime() ? $min : false; - } elseif ($compare < 0) { - // if $min is bigger then $max, swap $min and $max - $temp = $max; - $max = $min; - $min = $temp; - } - - static $one, $two; - if (!isset($one)) { - $one = new static(1); - $two = new static(2); - } - - $start = time(); - - $x = $this->random($min, $max); - - // gmp_nextprime() requires PHP 5 >= 5.2.0 per . - if (MATH_BIGINTEGER_MODE == self::MODE_GMP && extension_loaded('gmp')) { - $p = new static(); - $p->value = gmp_nextprime($x->value); - - if ($p->compare($max) <= 0) { - return $p; - } - - if (!$min->equals($x)) { - $x = $x->subtract($one); - } - - return $x->randomPrime($min, $x); - } - - if ($x->equals($two)) { - return $x; - } - - $x->_make_odd(); - if ($x->compare($max) > 0) { - // if $x > $max then $max is even and if $min == $max then no prime number exists between the specified range - if ($min->equals($max)) { - return false; - } - $x = $min->copy(); - $x->_make_odd(); - } - - $initial_x = $x->copy(); - - while (true) { - if ($timeout !== false && time() - $start > $timeout) { - return false; - } - - if ($x->isPrime()) { - return $x; - } - - $x = $x->add($two); - - if ($x->compare($max) > 0) { - $x = $min->copy(); - if ($x->equals($two)) { - return $x; - } - $x->_make_odd(); - } - - if ($x->equals($initial_x)) { - return false; - } - } - } - - /** - * Make the current number odd - * - * If the current number is odd it'll be unchanged. If it's even, one will be added to it. - * - * @see self::randomPrime() - * @access private - */ - function _make_odd() - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - gmp_setbit($this->value, 0); - break; - case self::MODE_BCMATH: - if ($this->value[strlen($this->value) - 1] % 2 == 0) { - $this->value = bcadd($this->value, '1'); - } - break; - default: - $this->value[0] |= 1; - } - } - - /** - * Checks a numer to see if it's prime - * - * Assuming the $t parameter is not set, this function has an error rate of 2**-80. The main motivation for the - * $t parameter is distributability. BigInteger::randomPrime() can be distributed across multiple pageloads - * on a website instead of just one. - * - * @param \phpseclib\Math\BigInteger $t - * @return bool - * @access public - * @internal Uses the - * {@link http://en.wikipedia.org/wiki/Miller%E2%80%93Rabin_primality_test Miller-Rabin primality test}. See - * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap4.pdf#page=8 HAC 4.24}. - */ - function isPrime($t = false) - { - $length = strlen($this->toBytes()); - - if (!$t) { - // see HAC 4.49 "Note (controlling the error probability)" - // @codingStandardsIgnoreStart - if ($length >= 163) { $t = 2; } // floor(1300 / 8) - else if ($length >= 106) { $t = 3; } // floor( 850 / 8) - else if ($length >= 81 ) { $t = 4; } // floor( 650 / 8) - else if ($length >= 68 ) { $t = 5; } // floor( 550 / 8) - else if ($length >= 56 ) { $t = 6; } // floor( 450 / 8) - else if ($length >= 50 ) { $t = 7; } // floor( 400 / 8) - else if ($length >= 43 ) { $t = 8; } // floor( 350 / 8) - else if ($length >= 37 ) { $t = 9; } // floor( 300 / 8) - else if ($length >= 31 ) { $t = 12; } // floor( 250 / 8) - else if ($length >= 25 ) { $t = 15; } // floor( 200 / 8) - else if ($length >= 18 ) { $t = 18; } // floor( 150 / 8) - else { $t = 27; } - // @codingStandardsIgnoreEnd - } - - // ie. gmp_testbit($this, 0) - // ie. isEven() or !isOdd() - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - return gmp_prob_prime($this->value, $t) != 0; - case self::MODE_BCMATH: - if ($this->value === '2') { - return true; - } - if ($this->value[strlen($this->value) - 1] % 2 == 0) { - return false; - } - break; - default: - if ($this->value == array(2)) { - return true; - } - if (~$this->value[0] & 1) { - return false; - } - } - - static $primes, $zero, $one, $two; - - if (!isset($primes)) { - $primes = array( - 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, - 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, - 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, - 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, - 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, - 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, - 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, - 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, - 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, - 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, - 953, 967, 971, 977, 983, 991, 997 - ); - - if (MATH_BIGINTEGER_MODE != self::MODE_INTERNAL) { - for ($i = 0; $i < count($primes); ++$i) { - $primes[$i] = new static($primes[$i]); - } - } - - $zero = new static(); - $one = new static(1); - $two = new static(2); - } - - if ($this->equals($one)) { - return false; - } - - // see HAC 4.4.1 "Random search for probable primes" - if (MATH_BIGINTEGER_MODE != self::MODE_INTERNAL) { - foreach ($primes as $prime) { - list(, $r) = $this->divide($prime); - if ($r->equals($zero)) { - return $this->equals($prime); - } - } - } else { - $value = $this->value; - foreach ($primes as $prime) { - list(, $r) = $this->_divide_digit($value, $prime); - if (!$r) { - return count($value) == 1 && $value[0] == $prime; - } - } - } - - $n = $this->copy(); - $n_1 = $n->subtract($one); - $n_2 = $n->subtract($two); - - $r = $n_1->copy(); - $r_value = $r->value; - // ie. $s = gmp_scan1($n, 0) and $r = gmp_div_q($n, gmp_pow(gmp_init('2'), $s)); - if (MATH_BIGINTEGER_MODE == self::MODE_BCMATH) { - $s = 0; - // if $n was 1, $r would be 0 and this would be an infinite loop, hence our $this->equals($one) check earlier - while ($r->value[strlen($r->value) - 1] % 2 == 0) { - $r->value = bcdiv($r->value, '2', 0); - ++$s; - } - } else { - for ($i = 0, $r_length = count($r_value); $i < $r_length; ++$i) { - $temp = ~$r_value[$i] & 0xFFFFFF; - for ($j = 1; ($temp >> $j) & 1; ++$j) { - } - if ($j != 25) { - break; - } - } - $s = 26 * $i + $j; - $r->_rshift($s); - } - - for ($i = 0; $i < $t; ++$i) { - $a = $this->random($two, $n_2); - $y = $a->modPow($r, $n); - - if (!$y->equals($one) && !$y->equals($n_1)) { - for ($j = 1; $j < $s && !$y->equals($n_1); ++$j) { - $y = $y->modPow($two, $n); - if ($y->equals($one)) { - return false; - } - } - - if (!$y->equals($n_1)) { - return false; - } - } - } - return true; - } - - /** - * Logical Left Shift - * - * Shifts BigInteger's by $shift bits. - * - * @param int $shift - * @access private - */ - function _lshift($shift) - { - if ($shift == 0) { - return; - } - - $num_digits = (int) ($shift / self::$base); - $shift %= self::$base; - $shift = 1 << $shift; - - $carry = 0; - - for ($i = 0; $i < count($this->value); ++$i) { - $temp = $this->value[$i] * $shift + $carry; - $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $this->value[$i] = (int) ($temp - $carry * self::$baseFull); - } - - if ($carry) { - $this->value[count($this->value)] = $carry; - } - - while ($num_digits--) { - array_unshift($this->value, 0); - } - } - - /** - * Logical Right Shift - * - * Shifts BigInteger's by $shift bits. - * - * @param int $shift - * @access private - */ - function _rshift($shift) - { - if ($shift == 0) { - return; - } - - $num_digits = (int) ($shift / self::$base); - $shift %= self::$base; - $carry_shift = self::$base - $shift; - $carry_mask = (1 << $shift) - 1; - - if ($num_digits) { - $this->value = array_slice($this->value, $num_digits); - } - - $carry = 0; - - for ($i = count($this->value) - 1; $i >= 0; --$i) { - $temp = $this->value[$i] >> $shift | $carry; - $carry = ($this->value[$i] & $carry_mask) << $carry_shift; - $this->value[$i] = $temp; - } - - $this->value = $this->_trim($this->value); - } - - /** - * Normalize - * - * Removes leading zeros and truncates (if necessary) to maintain the appropriate precision - * - * @param \phpseclib\Math\BigInteger - * @return \phpseclib\Math\BigInteger - * @see self::_trim() - * @access private - */ - function _normalize($result) - { - $result->precision = $this->precision; - $result->bitmask = $this->bitmask; - - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - if ($this->bitmask !== false) { - $result->value = gmp_and($result->value, $result->bitmask->value); - } - - return $result; - case self::MODE_BCMATH: - if (!empty($result->bitmask->value)) { - $result->value = bcmod($result->value, $result->bitmask->value); - } - - return $result; - } - - $value = &$result->value; - - if (!count($value)) { - return $result; - } - - $value = $this->_trim($value); - - if (!empty($result->bitmask->value)) { - $length = min(count($value), count($this->bitmask->value)); - $value = array_slice($value, 0, $length); - - for ($i = 0; $i < $length; ++$i) { - $value[$i] = $value[$i] & $this->bitmask->value[$i]; - } - } - - return $result; - } - - /** - * Trim - * - * Removes leading zeros - * - * @param array $value - * @return \phpseclib\Math\BigInteger - * @access private - */ - function _trim($value) - { - for ($i = count($value) - 1; $i >= 0; --$i) { - if ($value[$i]) { - break; - } - unset($value[$i]); - } - - return $value; - } - - /** - * Array Repeat - * - * @param $input Array - * @param $multiplier mixed - * @return array - * @access private - */ - function _array_repeat($input, $multiplier) - { - return ($multiplier) ? array_fill(0, $multiplier, $input) : array(); - } - - /** - * Logical Left Shift - * - * Shifts binary strings $shift bits, essentially multiplying by 2**$shift. - * - * @param $x String - * @param $shift Integer - * @return string - * @access private - */ - function _base256_lshift(&$x, $shift) - { - if ($shift == 0) { - return; - } - - $num_bytes = $shift >> 3; // eg. floor($shift/8) - $shift &= 7; // eg. $shift % 8 - - $carry = 0; - for ($i = strlen($x) - 1; $i >= 0; --$i) { - $temp = ord($x[$i]) << $shift | $carry; - $x[$i] = chr($temp); - $carry = $temp >> 8; - } - $carry = ($carry != 0) ? chr($carry) : ''; - $x = $carry . $x . str_repeat(chr(0), $num_bytes); - } - - /** - * Logical Right Shift - * - * Shifts binary strings $shift bits, essentially dividing by 2**$shift and returning the remainder. - * - * @param $x String - * @param $shift Integer - * @return string - * @access private - */ - function _base256_rshift(&$x, $shift) - { - if ($shift == 0) { - $x = ltrim($x, chr(0)); - return ''; - } - - $num_bytes = $shift >> 3; // eg. floor($shift/8) - $shift &= 7; // eg. $shift % 8 - - $remainder = ''; - if ($num_bytes) { - $start = $num_bytes > strlen($x) ? -strlen($x) : -$num_bytes; - $remainder = substr($x, $start); - $x = substr($x, 0, -$num_bytes); - } - - $carry = 0; - $carry_shift = 8 - $shift; - for ($i = 0; $i < strlen($x); ++$i) { - $temp = (ord($x[$i]) >> $shift) | $carry; - $carry = (ord($x[$i]) << $carry_shift) & 0xFF; - $x[$i] = chr($temp); - } - $x = ltrim($x, chr(0)); - - $remainder = chr($carry >> $carry_shift) . $remainder; - - return ltrim($remainder, chr(0)); - } - - // one quirk about how the following functions are implemented is that PHP defines N to be an unsigned long - // at 32-bits, while java's longs are 64-bits. - - /** - * Converts 32-bit integers to bytes. - * - * @param int $x - * @return string - * @access private - */ - function _int2bytes($x) - { - return ltrim(pack('N', $x), chr(0)); - } - - /** - * Converts bytes to 32-bit integers - * - * @param string $x - * @return int - * @access private - */ - function _bytes2int($x) - { - $temp = unpack('Nint', str_pad($x, 4, chr(0), STR_PAD_LEFT)); - return $temp['int']; - } - - /** - * DER-encode an integer - * - * The ability to DER-encode integers is needed to create RSA public keys for use with OpenSSL - * - * @see self::modPow() - * @access private - * @param int $length - * @return string - */ - function _encodeASN1Length($length) - { - if ($length <= 0x7F) { - return chr($length); - } - - $temp = ltrim(pack('N', $length), chr(0)); - return pack('Ca*', 0x80 | strlen($temp), $temp); - } - - /** - * Single digit division - * - * Even if int64 is being used the division operator will return a float64 value - * if the dividend is not evenly divisible by the divisor. Since a float64 doesn't - * have the precision of int64 this is a problem so, when int64 is being used, - * we'll guarantee that the dividend is divisible by first subtracting the remainder. - * - * @access private - * @param int $x - * @param int $y - * @return int - */ - function _safe_divide($x, $y) - { - if (self::$base === 26) { - return (int) ($x / $y); - } - - // self::$base === 31 - return ($x - ($x % $y)) / $y; - } -} diff --git a/lib/phpseclib/Net/SCP.php b/lib/phpseclib/Net/SCP.php deleted file mode 100644 index f95bce6df76..00000000000 --- a/lib/phpseclib/Net/SCP.php +++ /dev/null @@ -1,337 +0,0 @@ - - * login('username', 'password')) { - * exit('bad login'); - * } - * $scp = new \phpseclib\Net\SCP($ssh); - * - * $scp->put('abcd', str_repeat('x', 1024*1024)); - * ?> - * - * - * @category Net - * @package SCP - * @author Jim Wigginton - * @copyright 2010 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Net; - -/** - * Pure-PHP implementations of SCP. - * - * @package SCP - * @author Jim Wigginton - * @access public - */ -class SCP -{ - /**#@+ - * @access public - * @see \phpseclib\Net\SCP::put() - */ - /** - * Reads data from a local file. - */ - const SOURCE_LOCAL_FILE = 1; - /** - * Reads data from a string. - */ - const SOURCE_STRING = 2; - /**#@-*/ - - /**#@+ - * @access private - * @see \phpseclib\Net\SCP::_send() - * @see \phpseclib\Net\SCP::_receive() - */ - /** - * SSH1 is being used. - */ - const MODE_SSH1 = 1; - /** - * SSH2 is being used. - */ - const MODE_SSH2 = 2; - /**#@-*/ - - /** - * SSH Object - * - * @var object - * @access private - */ - var $ssh; - - /** - * Packet Size - * - * @var int - * @access private - */ - var $packet_size; - - /** - * Mode - * - * @var int - * @access private - */ - var $mode; - - /** - * Default Constructor. - * - * Connects to an SSH server - * - * @param \phpseclib\Net\SSH1|\phpseclib\Net\SSH2 $ssh - * @return \phpseclib\Net\SCP - * @access public - */ - function __construct($ssh) - { - if ($ssh instanceof SSH2) { - $this->mode = self::MODE_SSH2; - } elseif ($ssh instanceof SSH1) { - $this->packet_size = 50000; - $this->mode = self::MODE_SSH1; - } else { - return; - } - - $this->ssh = $ssh; - } - - /** - * Uploads a file to the SCP server. - * - * By default, \phpseclib\Net\SCP::put() does not read from the local filesystem. $data is dumped directly into $remote_file. - * So, for example, if you set $data to 'filename.ext' and then do \phpseclib\Net\SCP::get(), you will get a file, twelve bytes - * long, containing 'filename.ext' as its contents. - * - * Setting $mode to self::SOURCE_LOCAL_FILE will change the above behavior. With self::SOURCE_LOCAL_FILE, $remote_file will - * contain as many bytes as filename.ext does on your local filesystem. If your filename.ext is 1MB then that is how - * large $remote_file will be, as well. - * - * Currently, only binary mode is supported. As such, if the line endings need to be adjusted, you will need to take - * care of that, yourself. - * - * @param string $remote_file - * @param string $data - * @param int $mode - * @param callable $callback - * @return bool - * @access public - */ - function put($remote_file, $data, $mode = self::SOURCE_STRING, $callback = null) - { - if (!isset($this->ssh)) { - return false; - } - - if (!$this->ssh->exec('scp -t ' . escapeshellarg($remote_file), false)) { // -t = to - return false; - } - - $temp = $this->_receive(); - if ($temp !== chr(0)) { - return false; - } - - if ($this->mode == self::MODE_SSH2) { - $this->packet_size = $this->ssh->packet_size_client_to_server[SSH2::CHANNEL_EXEC] - 4; - } - - $remote_file = basename($remote_file); - - if ($mode == self::SOURCE_STRING) { - $size = strlen($data); - } else { - if (!is_file($data)) { - user_error("$data is not a valid file", E_USER_NOTICE); - return false; - } - - $fp = @fopen($data, 'rb'); - if (!$fp) { - return false; - } - $size = filesize($data); - } - - $this->_send('C0644 ' . $size . ' ' . $remote_file . "\n"); - - $temp = $this->_receive(); - if ($temp !== chr(0)) { - return false; - } - - $sent = 0; - while ($sent < $size) { - $temp = $mode & self::SOURCE_STRING ? substr($data, $sent, $this->packet_size) : fread($fp, $this->packet_size); - $this->_send($temp); - $sent+= strlen($temp); - - if (is_callable($callback)) { - call_user_func($callback, $sent); - } - } - $this->_close(); - - if ($mode != self::SOURCE_STRING) { - fclose($fp); - } - - return true; - } - - /** - * Downloads a file from the SCP server. - * - * Returns a string containing the contents of $remote_file if $local_file is left undefined or a boolean false if - * the operation was unsuccessful. If $local_file is defined, returns true or false depending on the success of the - * operation - * - * @param string $remote_file - * @param string $local_file - * @return mixed - * @access public - */ - function get($remote_file, $local_file = false) - { - if (!isset($this->ssh)) { - return false; - } - - if (!$this->ssh->exec('scp -f ' . escapeshellarg($remote_file), false)) { // -f = from - return false; - } - - $this->_send("\0"); - - if (!preg_match('#(?[^ ]+) (?\d+) (?.+)#', rtrim($this->_receive()), $info)) { - return false; - } - - $this->_send("\0"); - - $size = 0; - - if ($local_file !== false) { - $fp = @fopen($local_file, 'wb'); - if (!$fp) { - return false; - } - } - - $content = ''; - while ($size < $info['size']) { - $data = $this->_receive(); - // SCP usually seems to split stuff out into 16k chunks - $size+= strlen($data); - - if ($local_file === false) { - $content.= $data; - } else { - fputs($fp, $data); - } - } - - $this->_close(); - - if ($local_file !== false) { - fclose($fp); - return true; - } - - return $content; - } - - /** - * Sends a packet to an SSH server - * - * @param string $data - * @access private - */ - function _send($data) - { - switch ($this->mode) { - case self::MODE_SSH2: - $this->ssh->_send_channel_packet(SSH2::CHANNEL_EXEC, $data); - break; - case self::MODE_SSH1: - $data = pack('CNa*', NET_SSH1_CMSG_STDIN_DATA, strlen($data), $data); - $this->ssh->_send_binary_packet($data); - } - } - - /** - * Receives a packet from an SSH server - * - * @return string - * @access private - */ - function _receive() - { - switch ($this->mode) { - case self::MODE_SSH2: - return $this->ssh->_get_channel_packet(SSH2::CHANNEL_EXEC, true); - case self::MODE_SSH1: - if (!$this->ssh->bitmap) { - return false; - } - while (true) { - $response = $this->ssh->_get_binary_packet(); - switch ($response[SSH1::RESPONSE_TYPE]) { - case NET_SSH1_SMSG_STDOUT_DATA: - if (strlen($response[SSH1::RESPONSE_DATA]) < 4) { - return false; - } - extract(unpack('Nlength', $response[SSH1::RESPONSE_DATA])); - return $this->ssh->_string_shift($response[SSH1::RESPONSE_DATA], $length); - case NET_SSH1_SMSG_STDERR_DATA: - break; - case NET_SSH1_SMSG_EXITSTATUS: - $this->ssh->_send_binary_packet(chr(NET_SSH1_CMSG_EXIT_CONFIRMATION)); - fclose($this->ssh->fsock); - $this->ssh->bitmap = 0; - return false; - default: - user_error('Unknown packet received', E_USER_NOTICE); - return false; - } - } - } - } - - /** - * Closes the connection to an SSH server - * - * @access private - */ - function _close() - { - switch ($this->mode) { - case self::MODE_SSH2: - $this->ssh->_close_channel(SSH2::CHANNEL_EXEC, true); - break; - case self::MODE_SSH1: - $this->ssh->disconnect(); - } - } -} diff --git a/lib/phpseclib/Net/SFTP.php b/lib/phpseclib/Net/SFTP.php deleted file mode 100644 index 8825f30cfaf..00000000000 --- a/lib/phpseclib/Net/SFTP.php +++ /dev/null @@ -1,3104 +0,0 @@ - - * login('username', 'password')) { - * exit('Login Failed'); - * } - * - * echo $sftp->pwd() . "\r\n"; - * $sftp->put('filename.ext', 'hello, world!'); - * print_r($sftp->nlist()); - * ?> - * - * - * @category Net - * @package SFTP - * @author Jim Wigginton - * @copyright 2009 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Net; - -/** - * Pure-PHP implementations of SFTP. - * - * @package SFTP - * @author Jim Wigginton - * @access public - */ -class SFTP extends SSH2 -{ - /** - * SFTP channel constant - * - * \phpseclib\Net\SSH2::exec() uses 0 and \phpseclib\Net\SSH2::read() / \phpseclib\Net\SSH2::write() use 1. - * - * @see \phpseclib\Net\SSH2::_send_channel_packet() - * @see \phpseclib\Net\SSH2::_get_channel_packet() - * @access private - */ - const CHANNEL = 0x100; - - /**#@+ - * @access public - * @see \phpseclib\Net\SFTP::put() - */ - /** - * Reads data from a local file. - */ - const SOURCE_LOCAL_FILE = 1; - /** - * Reads data from a string. - */ - // this value isn't really used anymore but i'm keeping it reserved for historical reasons - const SOURCE_STRING = 2; - /** - * Reads data from callback: - * function callback($length) returns string to proceed, null for EOF - */ - const SOURCE_CALLBACK = 16; - /** - * Resumes an upload - */ - const RESUME = 4; - /** - * Append a local file to an already existing remote file - */ - const RESUME_START = 8; - /**#@-*/ - - /** - * Packet Types - * - * @see self::__construct() - * @var array - * @access private - */ - var $packet_types = array(); - - /** - * Status Codes - * - * @see self::__construct() - * @var array - * @access private - */ - var $status_codes = array(); - - /** - * The Request ID - * - * The request ID exists in the off chance that a packet is sent out-of-order. Of course, this library doesn't support - * concurrent actions, so it's somewhat academic, here. - * - * @var int - * @see self::_send_sftp_packet() - * @access private - */ - var $request_id = false; - - /** - * The Packet Type - * - * The request ID exists in the off chance that a packet is sent out-of-order. Of course, this library doesn't support - * concurrent actions, so it's somewhat academic, here. - * - * @var int - * @see self::_get_sftp_packet() - * @access private - */ - var $packet_type = -1; - - /** - * Packet Buffer - * - * @var string - * @see self::_get_sftp_packet() - * @access private - */ - var $packet_buffer = ''; - - /** - * Extensions supported by the server - * - * @var array - * @see self::_initChannel() - * @access private - */ - var $extensions = array(); - - /** - * Server SFTP version - * - * @var int - * @see self::_initChannel() - * @access private - */ - var $version; - - /** - * Current working directory - * - * @var string - * @see self::realpath() - * @see self::chdir() - * @access private - */ - var $pwd = false; - - /** - * Packet Type Log - * - * @see self::getLog() - * @var array - * @access private - */ - var $packet_type_log = array(); - - /** - * Packet Log - * - * @see self::getLog() - * @var array - * @access private - */ - var $packet_log = array(); - - /** - * Error information - * - * @see self::getSFTPErrors() - * @see self::getLastSFTPError() - * @var array - * @access private - */ - var $sftp_errors = array(); - - /** - * Stat Cache - * - * Rather than always having to open a directory and close it immediately there after to see if a file is a directory - * we'll cache the results. - * - * @see self::_update_stat_cache() - * @see self::_remove_from_stat_cache() - * @see self::_query_stat_cache() - * @var array - * @access private - */ - var $stat_cache = array(); - - /** - * Max SFTP Packet Size - * - * @see self::__construct() - * @see self::get() - * @var array - * @access private - */ - var $max_sftp_packet; - - /** - * Stat Cache Flag - * - * @see self::disableStatCache() - * @see self::enableStatCache() - * @var bool - * @access private - */ - var $use_stat_cache = true; - - /** - * Sort Options - * - * @see self::_comparator() - * @see self::setListOrder() - * @var array - * @access private - */ - var $sortOptions = array(); - - /** - * Canonicalization Flag - * - * Determines whether or not paths should be canonicalized before being - * passed on to the remote server. - * - * @see self::enablePathCanonicalization() - * @see self::disablePathCanonicalization() - * @see self::realpath() - * @var bool - * @access private - */ - var $canonicalize_paths = true; - - /** - * Default Constructor. - * - * Connects to an SFTP server - * - * @param string $host - * @param int $port - * @param int $timeout - * @return \phpseclib\Net\SFTP - * @access public - */ - function __construct($host, $port = 22, $timeout = 10) - { - parent::__construct($host, $port, $timeout); - - $this->max_sftp_packet = 1 << 15; - - $this->packet_types = array( - 1 => 'NET_SFTP_INIT', - 2 => 'NET_SFTP_VERSION', - /* the format of SSH_FXP_OPEN changed between SFTPv4 and SFTPv5+: - SFTPv5+: http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.1.1 - pre-SFTPv5 : http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-6.3 */ - 3 => 'NET_SFTP_OPEN', - 4 => 'NET_SFTP_CLOSE', - 5 => 'NET_SFTP_READ', - 6 => 'NET_SFTP_WRITE', - 7 => 'NET_SFTP_LSTAT', - 9 => 'NET_SFTP_SETSTAT', - 11 => 'NET_SFTP_OPENDIR', - 12 => 'NET_SFTP_READDIR', - 13 => 'NET_SFTP_REMOVE', - 14 => 'NET_SFTP_MKDIR', - 15 => 'NET_SFTP_RMDIR', - 16 => 'NET_SFTP_REALPATH', - 17 => 'NET_SFTP_STAT', - /* the format of SSH_FXP_RENAME changed between SFTPv4 and SFTPv5+: - SFTPv5+: http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.3 - pre-SFTPv5 : http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-6.5 */ - 18 => 'NET_SFTP_RENAME', - 19 => 'NET_SFTP_READLINK', - 20 => 'NET_SFTP_SYMLINK', - - 101=> 'NET_SFTP_STATUS', - 102=> 'NET_SFTP_HANDLE', - /* the format of SSH_FXP_NAME changed between SFTPv3 and SFTPv4+: - SFTPv4+: http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.4 - pre-SFTPv4 : http://tools.ietf.org/html/draft-ietf-secsh-filexfer-02#section-7 */ - 103=> 'NET_SFTP_DATA', - 104=> 'NET_SFTP_NAME', - 105=> 'NET_SFTP_ATTRS', - - 200=> 'NET_SFTP_EXTENDED' - ); - $this->status_codes = array( - 0 => 'NET_SFTP_STATUS_OK', - 1 => 'NET_SFTP_STATUS_EOF', - 2 => 'NET_SFTP_STATUS_NO_SUCH_FILE', - 3 => 'NET_SFTP_STATUS_PERMISSION_DENIED', - 4 => 'NET_SFTP_STATUS_FAILURE', - 5 => 'NET_SFTP_STATUS_BAD_MESSAGE', - 6 => 'NET_SFTP_STATUS_NO_CONNECTION', - 7 => 'NET_SFTP_STATUS_CONNECTION_LOST', - 8 => 'NET_SFTP_STATUS_OP_UNSUPPORTED', - 9 => 'NET_SFTP_STATUS_INVALID_HANDLE', - 10 => 'NET_SFTP_STATUS_NO_SUCH_PATH', - 11 => 'NET_SFTP_STATUS_FILE_ALREADY_EXISTS', - 12 => 'NET_SFTP_STATUS_WRITE_PROTECT', - 13 => 'NET_SFTP_STATUS_NO_MEDIA', - 14 => 'NET_SFTP_STATUS_NO_SPACE_ON_FILESYSTEM', - 15 => 'NET_SFTP_STATUS_QUOTA_EXCEEDED', - 16 => 'NET_SFTP_STATUS_UNKNOWN_PRINCIPAL', - 17 => 'NET_SFTP_STATUS_LOCK_CONFLICT', - 18 => 'NET_SFTP_STATUS_DIR_NOT_EMPTY', - 19 => 'NET_SFTP_STATUS_NOT_A_DIRECTORY', - 20 => 'NET_SFTP_STATUS_INVALID_FILENAME', - 21 => 'NET_SFTP_STATUS_LINK_LOOP', - 22 => 'NET_SFTP_STATUS_CANNOT_DELETE', - 23 => 'NET_SFTP_STATUS_INVALID_PARAMETER', - 24 => 'NET_SFTP_STATUS_FILE_IS_A_DIRECTORY', - 25 => 'NET_SFTP_STATUS_BYTE_RANGE_LOCK_CONFLICT', - 26 => 'NET_SFTP_STATUS_BYTE_RANGE_LOCK_REFUSED', - 27 => 'NET_SFTP_STATUS_DELETE_PENDING', - 28 => 'NET_SFTP_STATUS_FILE_CORRUPT', - 29 => 'NET_SFTP_STATUS_OWNER_INVALID', - 30 => 'NET_SFTP_STATUS_GROUP_INVALID', - 31 => 'NET_SFTP_STATUS_NO_MATCHING_BYTE_RANGE_LOCK' - ); - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-7.1 - // the order, in this case, matters quite a lot - see \phpseclib\Net\SFTP::_parseAttributes() to understand why - $this->attributes = array( - 0x00000001 => 'NET_SFTP_ATTR_SIZE', - 0x00000002 => 'NET_SFTP_ATTR_UIDGID', // defined in SFTPv3, removed in SFTPv4+ - 0x00000004 => 'NET_SFTP_ATTR_PERMISSIONS', - 0x00000008 => 'NET_SFTP_ATTR_ACCESSTIME', - // 0x80000000 will yield a floating point on 32-bit systems and converting floating points to integers - // yields inconsistent behavior depending on how php is compiled. so we left shift -1 (which, in - // two's compliment, consists of all 1 bits) by 31. on 64-bit systems this'll yield 0xFFFFFFFF80000000. - // that's not a problem, however, and 'anded' and a 32-bit number, as all the leading 1 bits are ignored. - (-1 << 31) & 0xFFFFFFFF => 'NET_SFTP_ATTR_EXTENDED' - ); - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-6.3 - // the flag definitions change somewhat in SFTPv5+. if SFTPv5+ support is added to this library, maybe name - // the array for that $this->open5_flags and similarly alter the constant names. - $this->open_flags = array( - 0x00000001 => 'NET_SFTP_OPEN_READ', - 0x00000002 => 'NET_SFTP_OPEN_WRITE', - 0x00000004 => 'NET_SFTP_OPEN_APPEND', - 0x00000008 => 'NET_SFTP_OPEN_CREATE', - 0x00000010 => 'NET_SFTP_OPEN_TRUNCATE', - 0x00000020 => 'NET_SFTP_OPEN_EXCL' - ); - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-5.2 - // see \phpseclib\Net\SFTP::_parseLongname() for an explanation - $this->file_types = array( - 1 => 'NET_SFTP_TYPE_REGULAR', - 2 => 'NET_SFTP_TYPE_DIRECTORY', - 3 => 'NET_SFTP_TYPE_SYMLINK', - 4 => 'NET_SFTP_TYPE_SPECIAL', - 5 => 'NET_SFTP_TYPE_UNKNOWN', - // the followin types were first defined for use in SFTPv5+ - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-05#section-5.2 - 6 => 'NET_SFTP_TYPE_SOCKET', - 7 => 'NET_SFTP_TYPE_CHAR_DEVICE', - 8 => 'NET_SFTP_TYPE_BLOCK_DEVICE', - 9 => 'NET_SFTP_TYPE_FIFO' - ); - $this->_define_array( - $this->packet_types, - $this->status_codes, - $this->attributes, - $this->open_flags, - $this->file_types - ); - - if (!defined('NET_SFTP_QUEUE_SIZE')) { - define('NET_SFTP_QUEUE_SIZE', 32); - } - } - - /** - * Login - * - * @param string $username - * @param string $password - * @return bool - * @access public - */ - function login($username) - { - $args = func_get_args(); - if (!call_user_func_array(array(&$this, '_login'), $args)) { - return false; - } - - $this->window_size_server_to_client[self::CHANNEL] = $this->window_size; - - $packet = pack( - 'CNa*N3', - NET_SSH2_MSG_CHANNEL_OPEN, - strlen('session'), - 'session', - self::CHANNEL, - $this->window_size, - 0x4000 - ); - - if (!$this->_send_binary_packet($packet)) { - return false; - } - - $this->channel_status[self::CHANNEL] = NET_SSH2_MSG_CHANNEL_OPEN; - - $response = $this->_get_channel_packet(self::CHANNEL, true); - if ($response === false) { - return false; - } - - $packet = pack( - 'CNNa*CNa*', - NET_SSH2_MSG_CHANNEL_REQUEST, - $this->server_channels[self::CHANNEL], - strlen('subsystem'), - 'subsystem', - 1, - strlen('sftp'), - 'sftp' - ); - if (!$this->_send_binary_packet($packet)) { - return false; - } - - $this->channel_status[self::CHANNEL] = NET_SSH2_MSG_CHANNEL_REQUEST; - - $response = $this->_get_channel_packet(self::CHANNEL, true); - if ($response === false) { - // from PuTTY's psftp.exe - $command = "test -x /usr/lib/sftp-server && exec /usr/lib/sftp-server\n" . - "test -x /usr/local/lib/sftp-server && exec /usr/local/lib/sftp-server\n" . - "exec sftp-server"; - // we don't do $this->exec($command, false) because exec() operates on a different channel and plus the SSH_MSG_CHANNEL_OPEN that exec() does - // is redundant - $packet = pack( - 'CNNa*CNa*', - NET_SSH2_MSG_CHANNEL_REQUEST, - $this->server_channels[self::CHANNEL], - strlen('exec'), - 'exec', - 1, - strlen($command), - $command - ); - if (!$this->_send_binary_packet($packet)) { - return false; - } - - $this->channel_status[self::CHANNEL] = NET_SSH2_MSG_CHANNEL_REQUEST; - - $response = $this->_get_channel_packet(self::CHANNEL, true); - if ($response === false) { - return false; - } - } - - $this->channel_status[self::CHANNEL] = NET_SSH2_MSG_CHANNEL_DATA; - - if (!$this->_send_sftp_packet(NET_SFTP_INIT, "\0\0\0\3")) { - return false; - } - - $response = $this->_get_sftp_packet(); - if ($this->packet_type != NET_SFTP_VERSION) { - user_error('Expected SSH_FXP_VERSION'); - return false; - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nversion', $this->_string_shift($response, 4))); - $this->version = $version; - while (!empty($response)) { - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($response, 4))); - $key = $this->_string_shift($response, $length); - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($response, 4))); - $value = $this->_string_shift($response, $length); - $this->extensions[$key] = $value; - } - - /* - SFTPv4+ defines a 'newline' extension. SFTPv3 seems to have unofficial support for it via 'newline@vandyke.com', - however, I'm not sure what 'newline@vandyke.com' is supposed to do (the fact that it's unofficial means that it's - not in the official SFTPv3 specs) and 'newline@vandyke.com' / 'newline' are likely not drop-in substitutes for - one another due to the fact that 'newline' comes with a SSH_FXF_TEXT bitmask whereas it seems unlikely that - 'newline@vandyke.com' would. - */ - /* - if (isset($this->extensions['newline@vandyke.com'])) { - $this->extensions['newline'] = $this->extensions['newline@vandyke.com']; - unset($this->extensions['newline@vandyke.com']); - } - */ - - $this->request_id = 1; - - /* - A Note on SFTPv4/5/6 support: - states the following: - - "If the client wishes to interoperate with servers that support noncontiguous version - numbers it SHOULD send '3'" - - Given that the server only sends its version number after the client has already done so, the above - seems to be suggesting that v3 should be the default version. This makes sense given that v3 is the - most popular. - - states the following; - - "If the server did not send the "versions" extension, or the version-from-list was not included, the - server MAY send a status response describing the failure, but MUST then close the channel without - processing any further requests." - - So what do you do if you have a client whose initial SSH_FXP_INIT packet says it implements v3 and - a server whose initial SSH_FXP_VERSION reply says it implements v4 and only v4? If it only implements - v4, the "versions" extension is likely not going to have been sent so version re-negotiation as discussed - in draft-ietf-secsh-filexfer-13 would be quite impossible. As such, what \phpseclib\Net\SFTP would do is close the - channel and reopen it with a new and updated SSH_FXP_INIT packet. - */ - switch ($this->version) { - case 2: - case 3: - break; - default: - return false; - } - - $this->pwd = $this->_realpath('.'); - - $this->_update_stat_cache($this->pwd, array()); - - return true; - } - - /** - * Disable the stat cache - * - * @access public - */ - function disableStatCache() - { - $this->use_stat_cache = false; - } - - /** - * Enable the stat cache - * - * @access public - */ - function enableStatCache() - { - $this->use_stat_cache = true; - } - - /** - * Clear the stat cache - * - * @access public - */ - function clearStatCache() - { - $this->stat_cache = array(); - } - - /** - * Enable path canonicalization - * - * @access public - */ - function enablePathCanonicalization() - { - $this->canonicalize_paths = true; - } - - /** - * Enable path canonicalization - * - * @access public - */ - function disablePathCanonicalization() - { - $this->canonicalize_paths = false; - } - - /** - * Returns the current directory name - * - * @return mixed - * @access public - */ - function pwd() - { - return $this->pwd; - } - - /** - * Logs errors - * - * @param string $response - * @param int $status - * @access public - */ - function _logError($response, $status = -1) - { - if ($status == -1) { - if (strlen($response) < 4) { - return; - } - extract(unpack('Nstatus', $this->_string_shift($response, 4))); - } - - $error = $this->status_codes[$status]; - - if ($this->version > 2 || strlen($response) < 4) { - extract(unpack('Nlength', $this->_string_shift($response, 4))); - $this->sftp_errors[] = $error . ': ' . $this->_string_shift($response, $length); - } else { - $this->sftp_errors[] = $error; - } - } - - /** - * Returns canonicalized absolute pathname - * - * realpath() expands all symbolic links and resolves references to '/./', '/../' and extra '/' characters in the input - * path and returns the canonicalized absolute pathname. - * - * @param string $path - * @return mixed - * @access public - */ - function realpath($path) - { - return $this->_realpath($path); - } - - /** - * Canonicalize the Server-Side Path Name - * - * SFTP doesn't provide a mechanism by which the current working directory can be changed, so we'll emulate it. Returns - * the absolute (canonicalized) path. - * - * If canonicalize_paths has been disabled using disablePathCanonicalization(), $path is returned as-is. - * - * @see self::chdir() - * @see self::disablePathCanonicalization() - * @param string $path - * @return mixed - * @access private - */ - function _realpath($path) - { - if (!$this->canonicalize_paths) { - return $path; - } - - if ($this->pwd === false) { - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.9 - if (!$this->_send_sftp_packet(NET_SFTP_REALPATH, pack('Na*', strlen($path), $path))) { - return false; - } - - $response = $this->_get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_NAME: - // although SSH_FXP_NAME is implemented differently in SFTPv3 than it is in SFTPv4+, the following - // should work on all SFTP versions since the only part of the SSH_FXP_NAME packet the following looks - // at is the first part and that part is defined the same in SFTP versions 3 through 6. - $this->_string_shift($response, 4); // skip over the count - it should be 1, anyway - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($response, 4))); - return $this->_string_shift($response, $length); - case NET_SFTP_STATUS: - $this->_logError($response); - return false; - default: - user_error('Expected SSH_FXP_NAME or SSH_FXP_STATUS'); - return false; - } - } - - if ($path[0] != '/') { - $path = $this->pwd . '/' . $path; - } - - $path = explode('/', $path); - $new = array(); - foreach ($path as $dir) { - if (!strlen($dir)) { - continue; - } - switch ($dir) { - case '..': - array_pop($new); - case '.': - break; - default: - $new[] = $dir; - } - } - - return '/' . implode('/', $new); - } - - /** - * Changes the current directory - * - * @param string $dir - * @return bool - * @access public - */ - function chdir($dir) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - // assume current dir if $dir is empty - if ($dir === '') { - $dir = './'; - // suffix a slash if needed - } elseif ($dir[strlen($dir) - 1] != '/') { - $dir.= '/'; - } - - $dir = $this->_realpath($dir); - - // confirm that $dir is, in fact, a valid directory - if ($this->use_stat_cache && is_array($this->_query_stat_cache($dir))) { - $this->pwd = $dir; - return true; - } - - // we could do a stat on the alleged $dir to see if it's a directory but that doesn't tell us - // the currently logged in user has the appropriate permissions or not. maybe you could see if - // the file's uid / gid match the currently logged in user's uid / gid but how there's no easy - // way to get those with SFTP - - if (!$this->_send_sftp_packet(NET_SFTP_OPENDIR, pack('Na*', strlen($dir), $dir))) { - return false; - } - - // see \phpseclib\Net\SFTP::nlist() for a more thorough explanation of the following - $response = $this->_get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_HANDLE: - $handle = substr($response, 4); - break; - case NET_SFTP_STATUS: - $this->_logError($response); - return false; - default: - user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS'); - return false; - } - - if (!$this->_close_handle($handle)) { - return false; - } - - $this->_update_stat_cache($dir, array()); - - $this->pwd = $dir; - return true; - } - - /** - * Returns a list of files in the given directory - * - * @param string $dir - * @param bool $recursive - * @return mixed - * @access public - */ - function nlist($dir = '.', $recursive = false) - { - return $this->_nlist_helper($dir, $recursive, ''); - } - - /** - * Helper method for nlist - * - * @param string $dir - * @param bool $recursive - * @param string $relativeDir - * @return mixed - * @access private - */ - function _nlist_helper($dir, $recursive, $relativeDir) - { - $files = $this->_list($dir, false); - - if (!$recursive || $files === false) { - return $files; - } - - $result = array(); - foreach ($files as $value) { - if ($value == '.' || $value == '..') { - if ($relativeDir == '') { - $result[] = $value; - } - continue; - } - if (is_array($this->_query_stat_cache($this->_realpath($dir . '/' . $value)))) { - $temp = $this->_nlist_helper($dir . '/' . $value, true, $relativeDir . $value . '/'); - $result = array_merge($result, $temp); - } else { - $result[] = $relativeDir . $value; - } - } - - return $result; - } - - /** - * Returns a detailed list of files in the given directory - * - * @param string $dir - * @param bool $recursive - * @return mixed - * @access public - */ - function rawlist($dir = '.', $recursive = false) - { - $files = $this->_list($dir, true); - if (!$recursive || $files === false) { - return $files; - } - - static $depth = 0; - - foreach ($files as $key => $value) { - if ($depth != 0 && $key == '..') { - unset($files[$key]); - continue; - } - if ($key != '.' && $key != '..' && is_array($this->_query_stat_cache($this->_realpath($dir . '/' . $key)))) { - $depth++; - $files[$key] = $this->rawlist($dir . '/' . $key, true); - $depth--; - } else { - $files[$key] = (object) $value; - } - } - - return $files; - } - - /** - * Reads a list, be it detailed or not, of files in the given directory - * - * @param string $dir - * @param bool $raw - * @return mixed - * @access private - */ - function _list($dir, $raw = true) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $dir = $this->_realpath($dir . '/'); - if ($dir === false) { - return false; - } - - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.1.2 - if (!$this->_send_sftp_packet(NET_SFTP_OPENDIR, pack('Na*', strlen($dir), $dir))) { - return false; - } - - $response = $this->_get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_HANDLE: - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.2 - // since 'handle' is the last field in the SSH_FXP_HANDLE packet, we'll just remove the first four bytes that - // represent the length of the string and leave it at that - $handle = substr($response, 4); - break; - case NET_SFTP_STATUS: - // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED - $this->_logError($response); - return false; - default: - user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS'); - return false; - } - - $this->_update_stat_cache($dir, array()); - - $contents = array(); - while (true) { - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.2.2 - // why multiple SSH_FXP_READDIR packets would be sent when the response to a single one can span arbitrarily many - // SSH_MSG_CHANNEL_DATA messages is not known to me. - if (!$this->_send_sftp_packet(NET_SFTP_READDIR, pack('Na*', strlen($handle), $handle))) { - return false; - } - - $response = $this->_get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_NAME: - if (strlen($response) < 4) { - return false; - } - extract(unpack('Ncount', $this->_string_shift($response, 4))); - for ($i = 0; $i < $count; $i++) { - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($response, 4))); - $shortname = $this->_string_shift($response, $length); - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($response, 4))); - $longname = $this->_string_shift($response, $length); - $attributes = $this->_parseAttributes($response); - if (!isset($attributes['type'])) { - $fileType = $this->_parseLongname($longname); - if ($fileType) { - $attributes['type'] = $fileType; - } - } - $contents[$shortname] = $attributes + array('filename' => $shortname); - - if (isset($attributes['type']) && $attributes['type'] == NET_SFTP_TYPE_DIRECTORY && ($shortname != '.' && $shortname != '..')) { - $this->_update_stat_cache($dir . '/' . $shortname, array()); - } else { - if ($shortname == '..') { - $temp = $this->_realpath($dir . '/..') . '/.'; - } else { - $temp = $dir . '/' . $shortname; - } - $this->_update_stat_cache($temp, (object) array('lstat' => $attributes)); - } - // SFTPv6 has an optional boolean end-of-list field, but we'll ignore that, since the - // final SSH_FXP_STATUS packet should tell us that, already. - } - break; - case NET_SFTP_STATUS: - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nstatus', $this->_string_shift($response, 4))); - if ($status != NET_SFTP_STATUS_EOF) { - $this->_logError($response, $status); - return false; - } - break 2; - default: - user_error('Expected SSH_FXP_NAME or SSH_FXP_STATUS'); - return false; - } - } - - if (!$this->_close_handle($handle)) { - return false; - } - - if (count($this->sortOptions)) { - uasort($contents, array(&$this, '_comparator')); - } - - return $raw ? $contents : array_keys($contents); - } - - /** - * Compares two rawlist entries using parameters set by setListOrder() - * - * Intended for use with uasort() - * - * @param array $a - * @param array $b - * @return int - * @access private - */ - function _comparator($a, $b) - { - switch (true) { - case $a['filename'] === '.' || $b['filename'] === '.': - if ($a['filename'] === $b['filename']) { - return 0; - } - return $a['filename'] === '.' ? -1 : 1; - case $a['filename'] === '..' || $b['filename'] === '..': - if ($a['filename'] === $b['filename']) { - return 0; - } - return $a['filename'] === '..' ? -1 : 1; - case isset($a['type']) && $a['type'] === NET_SFTP_TYPE_DIRECTORY: - if (!isset($b['type'])) { - return 1; - } - if ($b['type'] !== $a['type']) { - return -1; - } - break; - case isset($b['type']) && $b['type'] === NET_SFTP_TYPE_DIRECTORY: - return 1; - } - foreach ($this->sortOptions as $sort => $order) { - if (!isset($a[$sort]) || !isset($b[$sort])) { - if (isset($a[$sort])) { - return -1; - } - if (isset($b[$sort])) { - return 1; - } - return 0; - } - switch ($sort) { - case 'filename': - $result = strcasecmp($a['filename'], $b['filename']); - if ($result) { - return $order === SORT_DESC ? -$result : $result; - } - break; - case 'permissions': - case 'mode': - $a[$sort]&= 07777; - $b[$sort]&= 07777; - default: - if ($a[$sort] === $b[$sort]) { - break; - } - return $order === SORT_ASC ? $a[$sort] - $b[$sort] : $b[$sort] - $a[$sort]; - } - } - } - - /** - * Defines how nlist() and rawlist() will be sorted - if at all. - * - * If sorting is enabled directories and files will be sorted independently with - * directories appearing before files in the resultant array that is returned. - * - * Any parameter returned by stat is a valid sort parameter for this function. - * Filename comparisons are case insensitive. - * - * Examples: - * - * $sftp->setListOrder('filename', SORT_ASC); - * $sftp->setListOrder('size', SORT_DESC, 'filename', SORT_ASC); - * $sftp->setListOrder(true); - * Separates directories from files but doesn't do any sorting beyond that - * $sftp->setListOrder(); - * Don't do any sort of sorting - * - * @access public - */ - function setListOrder() - { - $this->sortOptions = array(); - $args = func_get_args(); - if (empty($args)) { - return; - } - $len = count($args) & 0x7FFFFFFE; - for ($i = 0; $i < $len; $i+=2) { - $this->sortOptions[$args[$i]] = $args[$i + 1]; - } - if (!count($this->sortOptions)) { - $this->sortOptions = array('bogus' => true); - } - } - - /** - * Returns the file size, in bytes, or false, on failure - * - * Files larger than 4GB will show up as being exactly 4GB. - * - * @param string $filename - * @return mixed - * @access public - */ - function size($filename) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $result = $this->stat($filename); - if ($result === false) { - return false; - } - return isset($result['size']) ? $result['size'] : -1; - } - - /** - * Save files / directories to cache - * - * @param string $path - * @param mixed $value - * @access private - */ - function _update_stat_cache($path, $value) - { - if ($this->use_stat_cache === false) { - return; - } - - // preg_replace('#^/|/(?=/)|/$#', '', $dir) == str_replace('//', '/', trim($path, '/')) - $dirs = explode('/', preg_replace('#^/|/(?=/)|/$#', '', $path)); - - $temp = &$this->stat_cache; - $max = count($dirs) - 1; - foreach ($dirs as $i => $dir) { - // if $temp is an object that means one of two things. - // 1. a file was deleted and changed to a directory behind phpseclib's back - // 2. it's a symlink. when lstat is done it's unclear what it's a symlink to - if (is_object($temp)) { - $temp = array(); - } - if (!isset($temp[$dir])) { - $temp[$dir] = array(); - } - if ($i === $max) { - if (is_object($temp[$dir]) && is_object($value)) { - if (!isset($value->stat) && isset($temp[$dir]->stat)) { - $value->stat = $temp[$dir]->stat; - } - if (!isset($value->lstat) && isset($temp[$dir]->lstat)) { - $value->lstat = $temp[$dir]->lstat; - } - } - $temp[$dir] = $value; - break; - } - $temp = &$temp[$dir]; - } - } - - /** - * Remove files / directories from cache - * - * @param string $path - * @return bool - * @access private - */ - function _remove_from_stat_cache($path) - { - $dirs = explode('/', preg_replace('#^/|/(?=/)|/$#', '', $path)); - - $temp = &$this->stat_cache; - $max = count($dirs) - 1; - foreach ($dirs as $i => $dir) { - if ($i === $max) { - unset($temp[$dir]); - return true; - } - if (!isset($temp[$dir])) { - return false; - } - $temp = &$temp[$dir]; - } - } - - /** - * Checks cache for path - * - * Mainly used by file_exists - * - * @param string $dir - * @return mixed - * @access private - */ - function _query_stat_cache($path) - { - $dirs = explode('/', preg_replace('#^/|/(?=/)|/$#', '', $path)); - - $temp = &$this->stat_cache; - foreach ($dirs as $dir) { - if (!isset($temp[$dir])) { - return null; - } - $temp = &$temp[$dir]; - } - return $temp; - } - - /** - * Returns general information about a file. - * - * Returns an array on success and false otherwise. - * - * @param string $filename - * @return mixed - * @access public - */ - function stat($filename) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $filename = $this->_realpath($filename); - if ($filename === false) { - return false; - } - - if ($this->use_stat_cache) { - $result = $this->_query_stat_cache($filename); - if (is_array($result) && isset($result['.']) && isset($result['.']->stat)) { - return $result['.']->stat; - } - if (is_object($result) && isset($result->stat)) { - return $result->stat; - } - } - - $stat = $this->_stat($filename, NET_SFTP_STAT); - if ($stat === false) { - $this->_remove_from_stat_cache($filename); - return false; - } - if (isset($stat['type'])) { - if ($stat['type'] == NET_SFTP_TYPE_DIRECTORY) { - $filename.= '/.'; - } - $this->_update_stat_cache($filename, (object) array('stat' => $stat)); - return $stat; - } - - $pwd = $this->pwd; - $stat['type'] = $this->chdir($filename) ? - NET_SFTP_TYPE_DIRECTORY : - NET_SFTP_TYPE_REGULAR; - $this->pwd = $pwd; - - if ($stat['type'] == NET_SFTP_TYPE_DIRECTORY) { - $filename.= '/.'; - } - $this->_update_stat_cache($filename, (object) array('stat' => $stat)); - - return $stat; - } - - /** - * Returns general information about a file or symbolic link. - * - * Returns an array on success and false otherwise. - * - * @param string $filename - * @return mixed - * @access public - */ - function lstat($filename) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $filename = $this->_realpath($filename); - if ($filename === false) { - return false; - } - - if ($this->use_stat_cache) { - $result = $this->_query_stat_cache($filename); - if (is_array($result) && isset($result['.']) && isset($result['.']->lstat)) { - return $result['.']->lstat; - } - if (is_object($result) && isset($result->lstat)) { - return $result->lstat; - } - } - - $lstat = $this->_stat($filename, NET_SFTP_LSTAT); - if ($lstat === false) { - $this->_remove_from_stat_cache($filename); - return false; - } - if (isset($lstat['type'])) { - if ($lstat['type'] == NET_SFTP_TYPE_DIRECTORY) { - $filename.= '/.'; - } - $this->_update_stat_cache($filename, (object) array('lstat' => $lstat)); - return $lstat; - } - - $stat = $this->_stat($filename, NET_SFTP_STAT); - - if ($lstat != $stat) { - $lstat = array_merge($lstat, array('type' => NET_SFTP_TYPE_SYMLINK)); - $this->_update_stat_cache($filename, (object) array('lstat' => $lstat)); - return $stat; - } - - $pwd = $this->pwd; - $lstat['type'] = $this->chdir($filename) ? - NET_SFTP_TYPE_DIRECTORY : - NET_SFTP_TYPE_REGULAR; - $this->pwd = $pwd; - - if ($lstat['type'] == NET_SFTP_TYPE_DIRECTORY) { - $filename.= '/.'; - } - $this->_update_stat_cache($filename, (object) array('lstat' => $lstat)); - - return $lstat; - } - - /** - * Returns general information about a file or symbolic link - * - * Determines information without calling \phpseclib\Net\SFTP::realpath(). - * The second parameter can be either NET_SFTP_STAT or NET_SFTP_LSTAT. - * - * @param string $filename - * @param int $type - * @return mixed - * @access private - */ - function _stat($filename, $type) - { - // SFTPv4+ adds an additional 32-bit integer field - flags - to the following: - $packet = pack('Na*', strlen($filename), $filename); - if (!$this->_send_sftp_packet($type, $packet)) { - return false; - } - - $response = $this->_get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_ATTRS: - return $this->_parseAttributes($response); - case NET_SFTP_STATUS: - $this->_logError($response); - return false; - } - - user_error('Expected SSH_FXP_ATTRS or SSH_FXP_STATUS'); - return false; - } - - /** - * Truncates a file to a given length - * - * @param string $filename - * @param int $new_size - * @return bool - * @access public - */ - function truncate($filename, $new_size) - { - $attr = pack('N3', NET_SFTP_ATTR_SIZE, $new_size / 4294967296, $new_size); // 4294967296 == 0x100000000 == 1<<32 - - return $this->_setstat($filename, $attr, false); - } - - /** - * Sets access and modification time of file. - * - * If the file does not exist, it will be created. - * - * @param string $filename - * @param int $time - * @param int $atime - * @return bool - * @access public - */ - function touch($filename, $time = null, $atime = null) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $filename = $this->_realpath($filename); - if ($filename === false) { - return false; - } - - if (!isset($time)) { - $time = time(); - } - if (!isset($atime)) { - $atime = $time; - } - - $flags = NET_SFTP_OPEN_WRITE | NET_SFTP_OPEN_CREATE | NET_SFTP_OPEN_EXCL; - $attr = pack('N3', NET_SFTP_ATTR_ACCESSTIME, $time, $atime); - $packet = pack('Na*Na*', strlen($filename), $filename, $flags, $attr); - if (!$this->_send_sftp_packet(NET_SFTP_OPEN, $packet)) { - return false; - } - - $response = $this->_get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_HANDLE: - return $this->_close_handle(substr($response, 4)); - case NET_SFTP_STATUS: - $this->_logError($response); - break; - default: - user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS'); - return false; - } - - return $this->_setstat($filename, $attr, false); - } - - /** - * Changes file or directory owner - * - * Returns true on success or false on error. - * - * @param string $filename - * @param int $uid - * @param bool $recursive - * @return bool - * @access public - */ - function chown($filename, $uid, $recursive = false) - { - // quoting from , - // "if the owner or group is specified as -1, then that ID is not changed" - $attr = pack('N3', NET_SFTP_ATTR_UIDGID, $uid, -1); - - return $this->_setstat($filename, $attr, $recursive); - } - - /** - * Changes file or directory group - * - * Returns true on success or false on error. - * - * @param string $filename - * @param int $gid - * @param bool $recursive - * @return bool - * @access public - */ - function chgrp($filename, $gid, $recursive = false) - { - $attr = pack('N3', NET_SFTP_ATTR_UIDGID, -1, $gid); - - return $this->_setstat($filename, $attr, $recursive); - } - - /** - * Set permissions on a file. - * - * Returns the new file permissions on success or false on error. - * If $recursive is true than this just returns true or false. - * - * @param int $mode - * @param string $filename - * @param bool $recursive - * @return mixed - * @access public - */ - function chmod($mode, $filename, $recursive = false) - { - if (is_string($mode) && is_int($filename)) { - $temp = $mode; - $mode = $filename; - $filename = $temp; - } - - $attr = pack('N2', NET_SFTP_ATTR_PERMISSIONS, $mode & 07777); - if (!$this->_setstat($filename, $attr, $recursive)) { - return false; - } - if ($recursive) { - return true; - } - - $filename = $this->realpath($filename); - // rather than return what the permissions *should* be, we'll return what they actually are. this will also - // tell us if the file actually exists. - // incidentally, SFTPv4+ adds an additional 32-bit integer field - flags - to the following: - $packet = pack('Na*', strlen($filename), $filename); - if (!$this->_send_sftp_packet(NET_SFTP_STAT, $packet)) { - return false; - } - - $response = $this->_get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_ATTRS: - $attrs = $this->_parseAttributes($response); - return $attrs['permissions']; - case NET_SFTP_STATUS: - $this->_logError($response); - return false; - } - - user_error('Expected SSH_FXP_ATTRS or SSH_FXP_STATUS'); - return false; - } - - /** - * Sets information about a file - * - * @param string $filename - * @param string $attr - * @param bool $recursive - * @return bool - * @access private - */ - function _setstat($filename, $attr, $recursive) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $filename = $this->_realpath($filename); - if ($filename === false) { - return false; - } - - $this->_remove_from_stat_cache($filename); - - if ($recursive) { - $i = 0; - $result = $this->_setstat_recursive($filename, $attr, $i); - $this->_read_put_responses($i); - return $result; - } - - // SFTPv4+ has an additional byte field - type - that would need to be sent, as well. setting it to - // SSH_FILEXFER_TYPE_UNKNOWN might work. if not, we'd have to do an SSH_FXP_STAT before doing an SSH_FXP_SETSTAT. - if (!$this->_send_sftp_packet(NET_SFTP_SETSTAT, pack('Na*a*', strlen($filename), $filename, $attr))) { - return false; - } - - /* - "Because some systems must use separate system calls to set various attributes, it is possible that a failure - response will be returned, but yet some of the attributes may be have been successfully modified. If possible, - servers SHOULD avoid this situation; however, clients MUST be aware that this is possible." - - -- http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.6 - */ - $response = $this->_get_sftp_packet(); - if ($this->packet_type != NET_SFTP_STATUS) { - user_error('Expected SSH_FXP_STATUS'); - return false; - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nstatus', $this->_string_shift($response, 4))); - if ($status != NET_SFTP_STATUS_OK) { - $this->_logError($response, $status); - return false; - } - - return true; - } - - /** - * Recursively sets information on directories on the SFTP server - * - * Minimizes directory lookups and SSH_FXP_STATUS requests for speed. - * - * @param string $path - * @param string $attr - * @param int $i - * @return bool - * @access private - */ - function _setstat_recursive($path, $attr, &$i) - { - if (!$this->_read_put_responses($i)) { - return false; - } - $i = 0; - $entries = $this->_list($path, true); - - if ($entries === false) { - return $this->_setstat($path, $attr, false); - } - - // normally $entries would have at least . and .. but it might not if the directories - // permissions didn't allow reading - if (empty($entries)) { - return false; - } - - unset($entries['.'], $entries['..']); - foreach ($entries as $filename => $props) { - if (!isset($props['type'])) { - return false; - } - - $temp = $path . '/' . $filename; - if ($props['type'] == NET_SFTP_TYPE_DIRECTORY) { - if (!$this->_setstat_recursive($temp, $attr, $i)) { - return false; - } - } else { - if (!$this->_send_sftp_packet(NET_SFTP_SETSTAT, pack('Na*a*', strlen($temp), $temp, $attr))) { - return false; - } - - $i++; - - if ($i >= NET_SFTP_QUEUE_SIZE) { - if (!$this->_read_put_responses($i)) { - return false; - } - $i = 0; - } - } - } - - if (!$this->_send_sftp_packet(NET_SFTP_SETSTAT, pack('Na*a*', strlen($path), $path, $attr))) { - return false; - } - - $i++; - - if ($i >= NET_SFTP_QUEUE_SIZE) { - if (!$this->_read_put_responses($i)) { - return false; - } - $i = 0; - } - - return true; - } - - /** - * Return the target of a symbolic link - * - * @param string $link - * @return mixed - * @access public - */ - function readlink($link) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $link = $this->_realpath($link); - - if (!$this->_send_sftp_packet(NET_SFTP_READLINK, pack('Na*', strlen($link), $link))) { - return false; - } - - $response = $this->_get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_NAME: - break; - case NET_SFTP_STATUS: - $this->_logError($response); - return false; - default: - user_error('Expected SSH_FXP_NAME or SSH_FXP_STATUS'); - return false; - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Ncount', $this->_string_shift($response, 4))); - // the file isn't a symlink - if (!$count) { - return false; - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($response, 4))); - return $this->_string_shift($response, $length); - } - - /** - * Create a symlink - * - * symlink() creates a symbolic link to the existing target with the specified name link. - * - * @param string $target - * @param string $link - * @return bool - * @access public - */ - function symlink($target, $link) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - //$target = $this->_realpath($target); - $link = $this->_realpath($link); - - $packet = pack('Na*Na*', strlen($target), $target, strlen($link), $link); - if (!$this->_send_sftp_packet(NET_SFTP_SYMLINK, $packet)) { - return false; - } - - $response = $this->_get_sftp_packet(); - if ($this->packet_type != NET_SFTP_STATUS) { - user_error('Expected SSH_FXP_STATUS'); - return false; - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nstatus', $this->_string_shift($response, 4))); - if ($status != NET_SFTP_STATUS_OK) { - $this->_logError($response, $status); - return false; - } - - return true; - } - - /** - * Creates a directory. - * - * @param string $dir - * @return bool - * @access public - */ - function mkdir($dir, $mode = -1, $recursive = false) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $dir = $this->_realpath($dir); - // by not providing any permissions, hopefully the server will use the logged in users umask - their - // default permissions. - $attr = $mode == -1 ? "\0\0\0\0" : pack('N2', NET_SFTP_ATTR_PERMISSIONS, $mode & 07777); - - if ($recursive) { - $dirs = explode('/', preg_replace('#/(?=/)|/$#', '', $dir)); - if (empty($dirs[0])) { - array_shift($dirs); - $dirs[0] = '/' . $dirs[0]; - } - for ($i = 0; $i < count($dirs); $i++) { - $temp = array_slice($dirs, 0, $i + 1); - $temp = implode('/', $temp); - $result = $this->_mkdir_helper($temp, $attr); - } - return $result; - } - - return $this->_mkdir_helper($dir, $attr); - } - - /** - * Helper function for directory creation - * - * @param string $dir - * @return bool - * @access private - */ - function _mkdir_helper($dir, $attr) - { - if (!$this->_send_sftp_packet(NET_SFTP_MKDIR, pack('Na*a*', strlen($dir), $dir, $attr))) { - return false; - } - - $response = $this->_get_sftp_packet(); - if ($this->packet_type != NET_SFTP_STATUS) { - user_error('Expected SSH_FXP_STATUS'); - return false; - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nstatus', $this->_string_shift($response, 4))); - if ($status != NET_SFTP_STATUS_OK) { - $this->_logError($response, $status); - return false; - } - - return true; - } - - /** - * Removes a directory. - * - * @param string $dir - * @return bool - * @access public - */ - function rmdir($dir) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $dir = $this->_realpath($dir); - if ($dir === false) { - return false; - } - - if (!$this->_send_sftp_packet(NET_SFTP_RMDIR, pack('Na*', strlen($dir), $dir))) { - return false; - } - - $response = $this->_get_sftp_packet(); - if ($this->packet_type != NET_SFTP_STATUS) { - user_error('Expected SSH_FXP_STATUS'); - return false; - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nstatus', $this->_string_shift($response, 4))); - if ($status != NET_SFTP_STATUS_OK) { - // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED? - $this->_logError($response, $status); - return false; - } - - $this->_remove_from_stat_cache($dir); - // the following will do a soft delete, which would be useful if you deleted a file - // and then tried to do a stat on the deleted file. the above, in contrast, does - // a hard delete - //$this->_update_stat_cache($dir, false); - - return true; - } - - /** - * Uploads a file to the SFTP server. - * - * By default, \phpseclib\Net\SFTP::put() does not read from the local filesystem. $data is dumped directly into $remote_file. - * So, for example, if you set $data to 'filename.ext' and then do \phpseclib\Net\SFTP::get(), you will get a file, twelve bytes - * long, containing 'filename.ext' as its contents. - * - * Setting $mode to self::SOURCE_LOCAL_FILE will change the above behavior. With self::SOURCE_LOCAL_FILE, $remote_file will - * contain as many bytes as filename.ext does on your local filesystem. If your filename.ext is 1MB then that is how - * large $remote_file will be, as well. - * - * Setting $mode to self::SOURCE_CALLBACK will use $data as callback function, which gets only one parameter -- number of bytes to return, and returns a string if there is some data or null if there is no more data - * - * If $data is a resource then it'll be used as a resource instead. - * - * Currently, only binary mode is supported. As such, if the line endings need to be adjusted, you will need to take - * care of that, yourself. - * - * $mode can take an additional two parameters - self::RESUME and self::RESUME_START. These are bitwise AND'd with - * $mode. So if you want to resume upload of a 300mb file on the local file system you'd set $mode to the following: - * - * self::SOURCE_LOCAL_FILE | self::RESUME - * - * If you wanted to simply append the full contents of a local file to the full contents of a remote file you'd replace - * self::RESUME with self::RESUME_START. - * - * If $mode & (self::RESUME | self::RESUME_START) then self::RESUME_START will be assumed. - * - * $start and $local_start give you more fine grained control over this process and take precident over self::RESUME - * when they're non-negative. ie. $start could let you write at the end of a file (like self::RESUME) or in the middle - * of one. $local_start could let you start your reading from the end of a file (like self::RESUME_START) or in the - * middle of one. - * - * Setting $local_start to > 0 or $mode | self::RESUME_START doesn't do anything unless $mode | self::SOURCE_LOCAL_FILE. - * - * @param string $remote_file - * @param string|resource $data - * @param int $mode - * @param int $start - * @param int $local_start - * @param callable|null $progressCallback - * @return bool - * @access public - * @internal ASCII mode for SFTPv4/5/6 can be supported by adding a new function - \phpseclib\Net\SFTP::setMode(). - */ - function put($remote_file, $data, $mode = self::SOURCE_STRING, $start = -1, $local_start = -1, $progressCallback = null) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $remote_file = $this->_realpath($remote_file); - if ($remote_file === false) { - return false; - } - - $this->_remove_from_stat_cache($remote_file); - - $flags = NET_SFTP_OPEN_WRITE | NET_SFTP_OPEN_CREATE; - // according to the SFTP specs, NET_SFTP_OPEN_APPEND should "force all writes to append data at the end of the file." - // in practice, it doesn't seem to do that. - //$flags|= ($mode & self::RESUME) ? NET_SFTP_OPEN_APPEND : NET_SFTP_OPEN_TRUNCATE; - - if ($start >= 0) { - $offset = $start; - } elseif ($mode & self::RESUME) { - // if NET_SFTP_OPEN_APPEND worked as it should _size() wouldn't need to be called - $size = $this->size($remote_file); - $offset = $size !== false ? $size : 0; - } else { - $offset = 0; - $flags|= NET_SFTP_OPEN_TRUNCATE; - } - - $packet = pack('Na*N2', strlen($remote_file), $remote_file, $flags, 0); - if (!$this->_send_sftp_packet(NET_SFTP_OPEN, $packet)) { - return false; - } - - $response = $this->_get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_HANDLE: - $handle = substr($response, 4); - break; - case NET_SFTP_STATUS: - $this->_logError($response); - return false; - default: - user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS'); - return false; - } - - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.2.3 - $dataCallback = false; - switch (true) { - case $mode & self::SOURCE_CALLBACK: - if (!is_callable($data)) { - user_error("\$data should be is_callable() if you specify SOURCE_CALLBACK flag"); - } - $dataCallback = $data; - // do nothing - break; - case is_resource($data): - $mode = $mode & ~self::SOURCE_LOCAL_FILE; - $info = stream_get_meta_data($data); - if ($info['wrapper_type'] == 'PHP' && $info['stream_type'] == 'Input') { - $fp = fopen('php://memory', 'w+'); - stream_copy_to_stream($data, $fp); - rewind($fp); - } else { - $fp = $data; - } - break; - case $mode & self::SOURCE_LOCAL_FILE: - if (!is_file($data)) { - user_error("$data is not a valid file"); - return false; - } - $fp = @fopen($data, 'rb'); - if (!$fp) { - return false; - } - } - - if (isset($fp)) { - $stat = fstat($fp); - $size = !empty($stat) ? $stat['size'] : 0; - - if ($local_start >= 0) { - fseek($fp, $local_start); - $size-= $local_start; - } - } elseif ($dataCallback) { - $size = 0; - } else { - $size = strlen($data); - } - - $sent = 0; - $size = $size < 0 ? ($size & 0x7FFFFFFF) + 0x80000000 : $size; - - $sftp_packet_size = 4096; // PuTTY uses 4096 - // make the SFTP packet be exactly 4096 bytes by including the bytes in the NET_SFTP_WRITE packets "header" - $sftp_packet_size-= strlen($handle) + 25; - $i = 0; - while ($dataCallback || ($size === 0 || $sent < $size)) { - if ($dataCallback) { - $temp = call_user_func($dataCallback, $sftp_packet_size); - if (is_null($temp)) { - break; - } - } else { - $temp = isset($fp) ? fread($fp, $sftp_packet_size) : substr($data, $sent, $sftp_packet_size); - if ($temp === false || $temp === '') { - break; - } - } - - $subtemp = $offset + $sent; - $packet = pack('Na*N3a*', strlen($handle), $handle, $subtemp / 4294967296, $subtemp, strlen($temp), $temp); - if (!$this->_send_sftp_packet(NET_SFTP_WRITE, $packet)) { - if ($mode & self::SOURCE_LOCAL_FILE) { - fclose($fp); - } - return false; - } - $sent+= strlen($temp); - if (is_callable($progressCallback)) { - call_user_func($progressCallback, $sent); - } - - $i++; - - if ($i == NET_SFTP_QUEUE_SIZE) { - if (!$this->_read_put_responses($i)) { - $i = 0; - break; - } - $i = 0; - } - } - - if (!$this->_read_put_responses($i)) { - if ($mode & self::SOURCE_LOCAL_FILE) { - fclose($fp); - } - $this->_close_handle($handle); - return false; - } - - if ($mode & self::SOURCE_LOCAL_FILE) { - fclose($fp); - } - - return $this->_close_handle($handle); - } - - /** - * Reads multiple successive SSH_FXP_WRITE responses - * - * Sending an SSH_FXP_WRITE packet and immediately reading its response isn't as efficient as blindly sending out $i - * SSH_FXP_WRITEs, in succession, and then reading $i responses. - * - * @param int $i - * @return bool - * @access private - */ - function _read_put_responses($i) - { - while ($i--) { - $response = $this->_get_sftp_packet(); - if ($this->packet_type != NET_SFTP_STATUS) { - user_error('Expected SSH_FXP_STATUS'); - return false; - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nstatus', $this->_string_shift($response, 4))); - if ($status != NET_SFTP_STATUS_OK) { - $this->_logError($response, $status); - break; - } - } - - return $i < 0; - } - - /** - * Close handle - * - * @param string $handle - * @return bool - * @access private - */ - function _close_handle($handle) - { - if (!$this->_send_sftp_packet(NET_SFTP_CLOSE, pack('Na*', strlen($handle), $handle))) { - return false; - } - - // "The client MUST release all resources associated with the handle regardless of the status." - // -- http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.1.3 - $response = $this->_get_sftp_packet(); - if ($this->packet_type != NET_SFTP_STATUS) { - user_error('Expected SSH_FXP_STATUS'); - return false; - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nstatus', $this->_string_shift($response, 4))); - if ($status != NET_SFTP_STATUS_OK) { - $this->_logError($response, $status); - return false; - } - - return true; - } - - /** - * Downloads a file from the SFTP server. - * - * Returns a string containing the contents of $remote_file if $local_file is left undefined or a boolean false if - * the operation was unsuccessful. If $local_file is defined, returns true or false depending on the success of the - * operation. - * - * $offset and $length can be used to download files in chunks. - * - * @param string $remote_file - * @param string $local_file - * @param int $offset - * @param int $length - * @return mixed - * @access public - */ - function get($remote_file, $local_file = false, $offset = 0, $length = -1) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $remote_file = $this->_realpath($remote_file); - if ($remote_file === false) { - return false; - } - - $packet = pack('Na*N2', strlen($remote_file), $remote_file, NET_SFTP_OPEN_READ, 0); - if (!$this->_send_sftp_packet(NET_SFTP_OPEN, $packet)) { - return false; - } - - $response = $this->_get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_HANDLE: - $handle = substr($response, 4); - break; - case NET_SFTP_STATUS: // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED - $this->_logError($response); - return false; - default: - user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS'); - return false; - } - - if (is_resource($local_file)) { - $fp = $local_file; - $stat = fstat($fp); - $res_offset = $stat['size']; - } else { - $res_offset = 0; - if ($local_file !== false) { - $fp = fopen($local_file, 'wb'); - if (!$fp) { - return false; - } - } else { - $content = ''; - } - } - - $fclose_check = $local_file !== false && !is_resource($local_file); - - $start = $offset; - $read = 0; - while (true) { - $i = 0; - - while ($i < NET_SFTP_QUEUE_SIZE && ($length < 0 || $read < $length)) { - $tempoffset = $start + $read; - - $packet_size = $length > 0 ? min($this->max_sftp_packet, $length - $read) : $this->max_sftp_packet; - - $packet = pack('Na*N3', strlen($handle), $handle, $tempoffset / 4294967296, $tempoffset, $packet_size); - if (!$this->_send_sftp_packet(NET_SFTP_READ, $packet)) { - if ($fclose_check) { - fclose($fp); - } - return false; - } - $packet = null; - $read+= $packet_size; - $i++; - } - - if (!$i) { - break; - } - - $clear_responses = false; - while ($i > 0) { - $i--; - - if ($clear_responses) { - $this->_get_sftp_packet(); - continue; - } else { - $response = $this->_get_sftp_packet(); - } - - switch ($this->packet_type) { - case NET_SFTP_DATA: - $temp = substr($response, 4); - $offset+= strlen($temp); - if ($local_file === false) { - $content.= $temp; - } else { - fputs($fp, $temp); - } - $temp = null; - break; - case NET_SFTP_STATUS: - // could, in theory, return false if !strlen($content) but we'll hold off for the time being - $this->_logError($response); - $clear_responses = true; // don't break out of the loop yet, so we can read the remaining responses - break; - default: - if ($fclose_check) { - fclose($fp); - } - user_error('Expected SSH_FX_DATA or SSH_FXP_STATUS'); - } - $response = null; - } - - if ($clear_responses) { - break; - } - } - - if ($length > 0 && $length <= $offset - $start) { - if ($local_file === false) { - $content = substr($content, 0, $length); - } else { - ftruncate($fp, $length + $res_offset); - } - } - - if ($fclose_check) { - fclose($fp); - } - - if (!$this->_close_handle($handle)) { - return false; - } - - // if $content isn't set that means a file was written to - return isset($content) ? $content : true; - } - - /** - * Deletes a file on the SFTP server. - * - * @param string $path - * @param bool $recursive - * @return bool - * @access public - */ - function delete($path, $recursive = true) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - if (is_object($path)) { - // It's an object. Cast it as string before we check anything else. - $path = (string) $path; - } - - if (!is_string($path) || $path == '') { - return false; - } - - $path = $this->_realpath($path); - if ($path === false) { - return false; - } - - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.3 - if (!$this->_send_sftp_packet(NET_SFTP_REMOVE, pack('Na*', strlen($path), $path))) { - return false; - } - - $response = $this->_get_sftp_packet(); - if ($this->packet_type != NET_SFTP_STATUS) { - user_error('Expected SSH_FXP_STATUS'); - return false; - } - - // if $status isn't SSH_FX_OK it's probably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nstatus', $this->_string_shift($response, 4))); - if ($status != NET_SFTP_STATUS_OK) { - $this->_logError($response, $status); - if (!$recursive) { - return false; - } - $i = 0; - $result = $this->_delete_recursive($path, $i); - $this->_read_put_responses($i); - return $result; - } - - $this->_remove_from_stat_cache($path); - - return true; - } - - /** - * Recursively deletes directories on the SFTP server - * - * Minimizes directory lookups and SSH_FXP_STATUS requests for speed. - * - * @param string $path - * @param int $i - * @return bool - * @access private - */ - function _delete_recursive($path, &$i) - { - if (!$this->_read_put_responses($i)) { - return false; - } - $i = 0; - $entries = $this->_list($path, true); - - // normally $entries would have at least . and .. but it might not if the directories - // permissions didn't allow reading - if (empty($entries)) { - return false; - } - - unset($entries['.'], $entries['..']); - foreach ($entries as $filename => $props) { - if (!isset($props['type'])) { - return false; - } - - $temp = $path . '/' . $filename; - if ($props['type'] == NET_SFTP_TYPE_DIRECTORY) { - if (!$this->_delete_recursive($temp, $i)) { - return false; - } - } else { - if (!$this->_send_sftp_packet(NET_SFTP_REMOVE, pack('Na*', strlen($temp), $temp))) { - return false; - } - $this->_remove_from_stat_cache($temp); - - $i++; - - if ($i >= NET_SFTP_QUEUE_SIZE) { - if (!$this->_read_put_responses($i)) { - return false; - } - $i = 0; - } - } - } - - if (!$this->_send_sftp_packet(NET_SFTP_RMDIR, pack('Na*', strlen($path), $path))) { - return false; - } - $this->_remove_from_stat_cache($path); - - $i++; - - if ($i >= NET_SFTP_QUEUE_SIZE) { - if (!$this->_read_put_responses($i)) { - return false; - } - $i = 0; - } - - return true; - } - - /** - * Checks whether a file or directory exists - * - * @param string $path - * @return bool - * @access public - */ - function file_exists($path) - { - if ($this->use_stat_cache) { - $path = $this->_realpath($path); - - $result = $this->_query_stat_cache($path); - - if (isset($result)) { - // return true if $result is an array or if it's an stdClass object - return $result !== false; - } - } - - return $this->stat($path) !== false; - } - - /** - * Tells whether the filename is a directory - * - * @param string $path - * @return bool - * @access public - */ - function is_dir($path) - { - $result = $this->_get_stat_cache_prop($path, 'type'); - if ($result === false) { - return false; - } - return $result === NET_SFTP_TYPE_DIRECTORY; - } - - /** - * Tells whether the filename is a regular file - * - * @param string $path - * @return bool - * @access public - */ - function is_file($path) - { - $result = $this->_get_stat_cache_prop($path, 'type'); - if ($result === false) { - return false; - } - return $result === NET_SFTP_TYPE_REGULAR; - } - - /** - * Tells whether the filename is a symbolic link - * - * @param string $path - * @return bool - * @access public - */ - function is_link($path) - { - $result = $this->_get_lstat_cache_prop($path, 'type'); - if ($result === false) { - return false; - } - return $result === NET_SFTP_TYPE_SYMLINK; - } - - /** - * Tells whether a file exists and is readable - * - * @param string $path - * @return bool - * @access public - */ - function is_readable($path) - { - $path = $this->_realpath($path); - - $packet = pack('Na*N2', strlen($path), $path, NET_SFTP_OPEN_READ, 0); - if (!$this->_send_sftp_packet(NET_SFTP_OPEN, $packet)) { - return false; - } - - $response = $this->_get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_HANDLE: - return true; - case NET_SFTP_STATUS: // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED - return false; - default: - user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS'); - return false; - } - } - - /** - * Tells whether the filename is writable - * - * @param string $path - * @return bool - * @access public - */ - function is_writable($path) - { - $path = $this->_realpath($path); - - $packet = pack('Na*N2', strlen($path), $path, NET_SFTP_OPEN_WRITE, 0); - if (!$this->_send_sftp_packet(NET_SFTP_OPEN, $packet)) { - return false; - } - - $response = $this->_get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_HANDLE: - return true; - case NET_SFTP_STATUS: // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED - return false; - default: - user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS'); - return false; - } - } - - /** - * Tells whether the filename is writeable - * - * Alias of is_writable - * - * @param string $path - * @return bool - * @access public - */ - function is_writeable($path) - { - return $this->is_writable($path); - } - - /** - * Gets last access time of file - * - * @param string $path - * @return mixed - * @access public - */ - function fileatime($path) - { - return $this->_get_stat_cache_prop($path, 'atime'); - } - - /** - * Gets file modification time - * - * @param string $path - * @return mixed - * @access public - */ - function filemtime($path) - { - return $this->_get_stat_cache_prop($path, 'mtime'); - } - - /** - * Gets file permissions - * - * @param string $path - * @return mixed - * @access public - */ - function fileperms($path) - { - return $this->_get_stat_cache_prop($path, 'permissions'); - } - - /** - * Gets file owner - * - * @param string $path - * @return mixed - * @access public - */ - function fileowner($path) - { - return $this->_get_stat_cache_prop($path, 'uid'); - } - - /** - * Gets file group - * - * @param string $path - * @return mixed - * @access public - */ - function filegroup($path) - { - return $this->_get_stat_cache_prop($path, 'gid'); - } - - /** - * Gets file size - * - * @param string $path - * @return mixed - * @access public - */ - function filesize($path) - { - return $this->_get_stat_cache_prop($path, 'size'); - } - - /** - * Gets file type - * - * @param string $path - * @return mixed - * @access public - */ - function filetype($path) - { - $type = $this->_get_stat_cache_prop($path, 'type'); - if ($type === false) { - return false; - } - - switch ($type) { - case NET_SFTP_TYPE_BLOCK_DEVICE: - return 'block'; - case NET_SFTP_TYPE_CHAR_DEVICE: - return 'char'; - case NET_SFTP_TYPE_DIRECTORY: - return 'dir'; - case NET_SFTP_TYPE_FIFO: - return 'fifo'; - case NET_SFTP_TYPE_REGULAR: - return 'file'; - case NET_SFTP_TYPE_SYMLINK: - return 'link'; - default: - return false; - } - } - - /** - * Return a stat properity - * - * Uses cache if appropriate. - * - * @param string $path - * @param string $prop - * @return mixed - * @access private - */ - function _get_stat_cache_prop($path, $prop) - { - return $this->_get_xstat_cache_prop($path, $prop, 'stat'); - } - - /** - * Return an lstat properity - * - * Uses cache if appropriate. - * - * @param string $path - * @param string $prop - * @return mixed - * @access private - */ - function _get_lstat_cache_prop($path, $prop) - { - return $this->_get_xstat_cache_prop($path, $prop, 'lstat'); - } - - /** - * Return a stat or lstat properity - * - * Uses cache if appropriate. - * - * @param string $path - * @param string $prop - * @return mixed - * @access private - */ - function _get_xstat_cache_prop($path, $prop, $type) - { - if ($this->use_stat_cache) { - $path = $this->_realpath($path); - - $result = $this->_query_stat_cache($path); - - if (is_object($result) && isset($result->$type)) { - return $result->{$type}[$prop]; - } - } - - $result = $this->$type($path); - - if ($result === false || !isset($result[$prop])) { - return false; - } - - return $result[$prop]; - } - - /** - * Renames a file or a directory on the SFTP server - * - * @param string $oldname - * @param string $newname - * @return bool - * @access public - */ - function rename($oldname, $newname) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $oldname = $this->_realpath($oldname); - $newname = $this->_realpath($newname); - if ($oldname === false || $newname === false) { - return false; - } - - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.3 - $packet = pack('Na*Na*', strlen($oldname), $oldname, strlen($newname), $newname); - if (!$this->_send_sftp_packet(NET_SFTP_RENAME, $packet)) { - return false; - } - - $response = $this->_get_sftp_packet(); - if ($this->packet_type != NET_SFTP_STATUS) { - user_error('Expected SSH_FXP_STATUS'); - return false; - } - - // if $status isn't SSH_FX_OK it's probably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nstatus', $this->_string_shift($response, 4))); - if ($status != NET_SFTP_STATUS_OK) { - $this->_logError($response, $status); - return false; - } - - // don't move the stat cache entry over since this operation could very well change the - // atime and mtime attributes - //$this->_update_stat_cache($newname, $this->_query_stat_cache($oldname)); - $this->_remove_from_stat_cache($oldname); - $this->_remove_from_stat_cache($newname); - - return true; - } - - /** - * Parse Attributes - * - * See '7. File Attributes' of draft-ietf-secsh-filexfer-13 for more info. - * - * @param string $response - * @return array - * @access private - */ - function _parseAttributes(&$response) - { - $attr = array(); - if (strlen($response) < 4) { - user_error('Malformed file attributes'); - return array(); - } - extract(unpack('Nflags', $this->_string_shift($response, 4))); - // SFTPv4+ have a type field (a byte) that follows the above flag field - foreach ($this->attributes as $key => $value) { - switch ($flags & $key) { - case NET_SFTP_ATTR_SIZE: // 0x00000001 - // The size attribute is defined as an unsigned 64-bit integer. - // The following will use floats on 32-bit platforms, if necessary. - // As can be seen in the BigInteger class, floats are generally - // IEEE 754 binary64 "double precision" on such platforms and - // as such can represent integers of at least 2^50 without loss - // of precision. Interpreted in filesize, 2^50 bytes = 1024 TiB. - $attr['size'] = hexdec(bin2hex($this->_string_shift($response, 8))); - break; - case NET_SFTP_ATTR_UIDGID: // 0x00000002 (SFTPv3 only) - if (strlen($response) < 8) { - user_error('Malformed file attributes'); - return $attr; - } - $attr+= unpack('Nuid/Ngid', $this->_string_shift($response, 8)); - break; - case NET_SFTP_ATTR_PERMISSIONS: // 0x00000004 - if (strlen($response) < 4) { - user_error('Malformed file attributes'); - return $attr; - } - $attr+= unpack('Npermissions', $this->_string_shift($response, 4)); - // mode == permissions; permissions was the original array key and is retained for bc purposes. - // mode was added because that's the more industry standard terminology - $attr+= array('mode' => $attr['permissions']); - $fileType = $this->_parseMode($attr['permissions']); - if ($fileType !== false) { - $attr+= array('type' => $fileType); - } - break; - case NET_SFTP_ATTR_ACCESSTIME: // 0x00000008 - if (strlen($response) < 8) { - user_error('Malformed file attributes'); - return $attr; - } - $attr+= unpack('Natime/Nmtime', $this->_string_shift($response, 8)); - break; - case NET_SFTP_ATTR_EXTENDED: // 0x80000000 - if (strlen($response) < 4) { - user_error('Malformed file attributes'); - return $attr; - } - extract(unpack('Ncount', $this->_string_shift($response, 4))); - for ($i = 0; $i < $count; $i++) { - if (strlen($response) < 4) { - user_error('Malformed file attributes'); - return $attr; - } - extract(unpack('Nlength', $this->_string_shift($response, 4))); - $key = $this->_string_shift($response, $length); - if (strlen($response) < 4) { - user_error('Malformed file attributes'); - return $attr; - } - extract(unpack('Nlength', $this->_string_shift($response, 4))); - $attr[$key] = $this->_string_shift($response, $length); - } - } - } - return $attr; - } - - /** - * Attempt to identify the file type - * - * Quoting the SFTP RFC, "Implementations MUST NOT send bits that are not defined" but they seem to anyway - * - * @param int $mode - * @return int - * @access private - */ - function _parseMode($mode) - { - // values come from http://lxr.free-electrons.com/source/include/uapi/linux/stat.h#L12 - // see, also, http://linux.die.net/man/2/stat - switch ($mode & 0170000) {// ie. 1111 0000 0000 0000 - case 0000000: // no file type specified - figure out the file type using alternative means - return false; - case 0040000: - return NET_SFTP_TYPE_DIRECTORY; - case 0100000: - return NET_SFTP_TYPE_REGULAR; - case 0120000: - return NET_SFTP_TYPE_SYMLINK; - // new types introduced in SFTPv5+ - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-05#section-5.2 - case 0010000: // named pipe (fifo) - return NET_SFTP_TYPE_FIFO; - case 0020000: // character special - return NET_SFTP_TYPE_CHAR_DEVICE; - case 0060000: // block special - return NET_SFTP_TYPE_BLOCK_DEVICE; - case 0140000: // socket - return NET_SFTP_TYPE_SOCKET; - case 0160000: // whiteout - // "SPECIAL should be used for files that are of - // a known type which cannot be expressed in the protocol" - return NET_SFTP_TYPE_SPECIAL; - default: - return NET_SFTP_TYPE_UNKNOWN; - } - } - - /** - * Parse Longname - * - * SFTPv3 doesn't provide any easy way of identifying a file type. You could try to open - * a file as a directory and see if an error is returned or you could try to parse the - * SFTPv3-specific longname field of the SSH_FXP_NAME packet. That's what this function does. - * The result is returned using the - * {@link http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-5.2 SFTPv4 type constants}. - * - * If the longname is in an unrecognized format bool(false) is returned. - * - * @param string $longname - * @return mixed - * @access private - */ - function _parseLongname($longname) - { - // http://en.wikipedia.org/wiki/Unix_file_types - // http://en.wikipedia.org/wiki/Filesystem_permissions#Notation_of_traditional_Unix_permissions - if (preg_match('#^[^/]([r-][w-][xstST-]){3}#', $longname)) { - switch ($longname[0]) { - case '-': - return NET_SFTP_TYPE_REGULAR; - case 'd': - return NET_SFTP_TYPE_DIRECTORY; - case 'l': - return NET_SFTP_TYPE_SYMLINK; - default: - return NET_SFTP_TYPE_SPECIAL; - } - } - - return false; - } - - /** - * Sends SFTP Packets - * - * See '6. General Packet Format' of draft-ietf-secsh-filexfer-13 for more info. - * - * @param int $type - * @param string $data - * @see self::_get_sftp_packet() - * @see self::_send_channel_packet() - * @return bool - * @access private - */ - function _send_sftp_packet($type, $data) - { - $packet = $this->request_id !== false ? - pack('NCNa*', strlen($data) + 5, $type, $this->request_id, $data) : - pack('NCa*', strlen($data) + 1, $type, $data); - - $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838 - $result = $this->_send_channel_packet(self::CHANNEL, $packet); - $stop = strtok(microtime(), ' ') + strtok(''); - - if (defined('NET_SFTP_LOGGING')) { - $packet_type = '-> ' . $this->packet_types[$type] . - ' (' . round($stop - $start, 4) . 's)'; - if (NET_SFTP_LOGGING == self::LOG_REALTIME) { - echo "
\r\n" . $this->_format_log(array($data), array($packet_type)) . "\r\n
\r\n"; - flush(); - ob_flush(); - } else { - $this->packet_type_log[] = $packet_type; - if (NET_SFTP_LOGGING == self::LOG_COMPLEX) { - $this->packet_log[] = $data; - } - } - } - - return $result; - } - - /** - * Receives SFTP Packets - * - * See '6. General Packet Format' of draft-ietf-secsh-filexfer-13 for more info. - * - * Incidentally, the number of SSH_MSG_CHANNEL_DATA messages has no bearing on the number of SFTP packets present. - * There can be one SSH_MSG_CHANNEL_DATA messages containing two SFTP packets or there can be two SSH_MSG_CHANNEL_DATA - * messages containing one SFTP packet. - * - * @see self::_send_sftp_packet() - * @return string - * @access private - */ - function _get_sftp_packet() - { - $this->curTimeout = false; - - $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838 - - // SFTP packet length - while (strlen($this->packet_buffer) < 4) { - $temp = $this->_get_channel_packet(self::CHANNEL, true); - if (is_bool($temp)) { - $this->packet_type = false; - $this->packet_buffer = ''; - return false; - } - $this->packet_buffer.= $temp; - } - if (strlen($this->packet_buffer) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($this->packet_buffer, 4))); - $tempLength = $length; - $tempLength-= strlen($this->packet_buffer); - - // SFTP packet type and data payload - while ($tempLength > 0) { - $temp = $this->_get_channel_packet(self::CHANNEL, true); - if (is_bool($temp)) { - $this->packet_type = false; - $this->packet_buffer = ''; - return false; - } - $this->packet_buffer.= $temp; - $tempLength-= strlen($temp); - } - - $stop = strtok(microtime(), ' ') + strtok(''); - - $this->packet_type = ord($this->_string_shift($this->packet_buffer)); - - if ($this->request_id !== false) { - $this->_string_shift($this->packet_buffer, 4); // remove the request id - $length-= 5; // account for the request id and the packet type - } else { - $length-= 1; // account for the packet type - } - - $packet = $this->_string_shift($this->packet_buffer, $length); - - if (defined('NET_SFTP_LOGGING')) { - $packet_type = '<- ' . $this->packet_types[$this->packet_type] . - ' (' . round($stop - $start, 4) . 's)'; - if (NET_SFTP_LOGGING == self::LOG_REALTIME) { - echo "
\r\n" . $this->_format_log(array($packet), array($packet_type)) . "\r\n
\r\n"; - flush(); - ob_flush(); - } else { - $this->packet_type_log[] = $packet_type; - if (NET_SFTP_LOGGING == self::LOG_COMPLEX) { - $this->packet_log[] = $packet; - } - } - } - - return $packet; - } - - /** - * Returns a log of the packets that have been sent and received. - * - * Returns a string if NET_SFTP_LOGGING == NET_SFTP_LOG_COMPLEX, an array if NET_SFTP_LOGGING == NET_SFTP_LOG_SIMPLE and false if !defined('NET_SFTP_LOGGING') - * - * @access public - * @return string or Array - */ - function getSFTPLog() - { - if (!defined('NET_SFTP_LOGGING')) { - return false; - } - - switch (NET_SFTP_LOGGING) { - case self::LOG_COMPLEX: - return $this->_format_log($this->packet_log, $this->packet_type_log); - break; - //case self::LOG_SIMPLE: - default: - return $this->packet_type_log; - } - } - - /** - * Returns all errors - * - * @return array - * @access public - */ - function getSFTPErrors() - { - return $this->sftp_errors; - } - - /** - * Returns the last error - * - * @return string - * @access public - */ - function getLastSFTPError() - { - return count($this->sftp_errors) ? $this->sftp_errors[count($this->sftp_errors) - 1] : ''; - } - - /** - * Get supported SFTP versions - * - * @return array - * @access public - */ - function getSupportedVersions() - { - $temp = array('version' => $this->version); - if (isset($this->extensions['versions'])) { - $temp['extensions'] = $this->extensions['versions']; - } - return $temp; - } - - /** - * Disconnect - * - * @param int $reason - * @return bool - * @access private - */ - function _disconnect($reason) - { - $this->pwd = false; - parent::_disconnect($reason); - } -} diff --git a/lib/phpseclib/Net/SFTP/Stream.php b/lib/phpseclib/Net/SFTP/Stream.php deleted file mode 100644 index d2c4425deae..00000000000 --- a/lib/phpseclib/Net/SFTP/Stream.php +++ /dev/null @@ -1,795 +0,0 @@ - - * @copyright 2013 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Net\SFTP; - -use phpseclib\Crypt\RSA; -use phpseclib\Net\SFTP; - -/** - * SFTP Stream Wrapper - * - * @package SFTP - * @author Jim Wigginton - * @access public - */ -class Stream -{ - /** - * SFTP instances - * - * Rather than re-create the connection we re-use instances if possible - * - * @var array - */ - static $instances; - - /** - * SFTP instance - * - * @var object - * @access private - */ - var $sftp; - - /** - * Path - * - * @var string - * @access private - */ - var $path; - - /** - * Mode - * - * @var string - * @access private - */ - var $mode; - - /** - * Position - * - * @var int - * @access private - */ - var $pos; - - /** - * Size - * - * @var int - * @access private - */ - var $size; - - /** - * Directory entries - * - * @var array - * @access private - */ - var $entries; - - /** - * EOF flag - * - * @var bool - * @access private - */ - var $eof; - - /** - * Context resource - * - * Technically this needs to be publically accessible so PHP can set it directly - * - * @var resource - * @access public - */ - var $context; - - /** - * Notification callback function - * - * @var callable - * @access public - */ - var $notification; - - /** - * Registers this class as a URL wrapper. - * - * @param string $protocol The wrapper name to be registered. - * @return bool True on success, false otherwise. - * @access public - */ - static function register($protocol = 'sftp') - { - if (in_array($protocol, stream_get_wrappers(), true)) { - return false; - } - return stream_wrapper_register($protocol, get_called_class()); - } - - /** - * The Constructor - * - * @access public - */ - function __construct() - { - if (defined('NET_SFTP_STREAM_LOGGING')) { - echo "__construct()\r\n"; - } - } - - /** - * Path Parser - * - * Extract a path from a URI and actually connect to an SSH server if appropriate - * - * If "notification" is set as a context parameter the message code for successful login is - * NET_SSH2_MSG_USERAUTH_SUCCESS. For a failed login it's NET_SSH2_MSG_USERAUTH_FAILURE. - * - * @param string $path - * @return string - * @access private - */ - function _parse_path($path) - { - $orig = $path; - extract(parse_url($path) + array('port' => 22)); - if (isset($query)) { - $path.= '?' . $query; - } elseif (preg_match('/(\?|\?#)$/', $orig)) { - $path.= '?'; - } - if (isset($fragment)) { - $path.= '#' . $fragment; - } elseif ($orig[strlen($orig) - 1] == '#') { - $path.= '#'; - } - - if (!isset($host)) { - return false; - } - - if (isset($this->context)) { - $context = stream_context_get_params($this->context); - if (isset($context['notification'])) { - $this->notification = $context['notification']; - } - } - - if ($host[0] == '$') { - $host = substr($host, 1); - global ${$host}; - if (($$host instanceof SFTP) === false) { - return false; - } - $this->sftp = $$host; - } else { - if (isset($this->context)) { - $context = stream_context_get_options($this->context); - } - if (isset($context[$scheme]['session'])) { - $sftp = $context[$scheme]['session']; - } - if (isset($context[$scheme]['sftp'])) { - $sftp = $context[$scheme]['sftp']; - } - if (isset($sftp) && $sftp instanceof SFTP) { - $this->sftp = $sftp; - return $path; - } - if (isset($context[$scheme]['username'])) { - $user = $context[$scheme]['username']; - } - if (isset($context[$scheme]['password'])) { - $pass = $context[$scheme]['password']; - } - if (isset($context[$scheme]['privkey']) && $context[$scheme]['privkey'] instanceof RSA) { - $pass = $context[$scheme]['privkey']; - } - - if (!isset($user) || !isset($pass)) { - return false; - } - - // casting $pass to a string is necessary in the event that it's a \phpseclib\Crypt\RSA object - if (isset(self::$instances[$host][$port][$user][(string) $pass])) { - $this->sftp = self::$instances[$host][$port][$user][(string) $pass]; - } else { - $this->sftp = new SFTP($host, $port); - $this->sftp->disableStatCache(); - if (isset($this->notification) && is_callable($this->notification)) { - /* if !is_callable($this->notification) we could do this: - - user_error('fopen(): failed to call user notifier', E_USER_WARNING); - - the ftp wrapper gives errors like that when the notifier isn't callable. - i've opted not to do that, however, since the ftp wrapper gives the line - on which the fopen occurred as the line number - not the line that the - user_error is on. - */ - call_user_func($this->notification, STREAM_NOTIFY_CONNECT, STREAM_NOTIFY_SEVERITY_INFO, '', 0, 0, 0); - call_user_func($this->notification, STREAM_NOTIFY_AUTH_REQUIRED, STREAM_NOTIFY_SEVERITY_INFO, '', 0, 0, 0); - if (!$this->sftp->login($user, $pass)) { - call_user_func($this->notification, STREAM_NOTIFY_AUTH_RESULT, STREAM_NOTIFY_SEVERITY_ERR, 'Login Failure', NET_SSH2_MSG_USERAUTH_FAILURE, 0, 0); - return false; - } - call_user_func($this->notification, STREAM_NOTIFY_AUTH_RESULT, STREAM_NOTIFY_SEVERITY_INFO, 'Login Success', NET_SSH2_MSG_USERAUTH_SUCCESS, 0, 0); - } else { - if (!$this->sftp->login($user, $pass)) { - return false; - } - } - self::$instances[$host][$port][$user][(string) $pass] = $this->sftp; - } - } - - return $path; - } - - /** - * Opens file or URL - * - * @param string $path - * @param string $mode - * @param int $options - * @param string $opened_path - * @return bool - * @access public - */ - function _stream_open($path, $mode, $options, &$opened_path) - { - $path = $this->_parse_path($path); - - if ($path === false) { - return false; - } - $this->path = $path; - - $this->size = $this->sftp->size($path); - $this->mode = preg_replace('#[bt]$#', '', $mode); - $this->eof = false; - - if ($this->size === false) { - if ($this->mode[0] == 'r') { - return false; - } else { - $this->sftp->touch($path); - $this->size = 0; - } - } else { - switch ($this->mode[0]) { - case 'x': - return false; - case 'w': - $this->sftp->truncate($path, 0); - $this->size = 0; - } - } - - $this->pos = $this->mode[0] != 'a' ? 0 : $this->size; - - return true; - } - - /** - * Read from stream - * - * @param int $count - * @return mixed - * @access public - */ - function _stream_read($count) - { - switch ($this->mode) { - case 'w': - case 'a': - case 'x': - case 'c': - return false; - } - - // commented out because some files - eg. /dev/urandom - will say their size is 0 when in fact it's kinda infinite - //if ($this->pos >= $this->size) { - // $this->eof = true; - // return false; - //} - - $result = $this->sftp->get($this->path, false, $this->pos, $count); - if (isset($this->notification) && is_callable($this->notification)) { - if ($result === false) { - call_user_func($this->notification, STREAM_NOTIFY_FAILURE, STREAM_NOTIFY_SEVERITY_ERR, $this->sftp->getLastSFTPError(), NET_SFTP_OPEN, 0, 0); - return 0; - } - // seems that PHP calls stream_read in 8k chunks - call_user_func($this->notification, STREAM_NOTIFY_PROGRESS, STREAM_NOTIFY_SEVERITY_INFO, '', 0, strlen($result), $this->size); - } - - if (empty($result)) { // ie. false or empty string - $this->eof = true; - return false; - } - $this->pos+= strlen($result); - - return $result; - } - - /** - * Write to stream - * - * @param string $data - * @return mixed - * @access public - */ - function _stream_write($data) - { - switch ($this->mode) { - case 'r': - return false; - } - - $result = $this->sftp->put($this->path, $data, SFTP::SOURCE_STRING, $this->pos); - if (isset($this->notification) && is_callable($this->notification)) { - if (!$result) { - call_user_func($this->notification, STREAM_NOTIFY_FAILURE, STREAM_NOTIFY_SEVERITY_ERR, $this->sftp->getLastSFTPError(), NET_SFTP_OPEN, 0, 0); - return 0; - } - // seems that PHP splits up strings into 8k blocks before calling stream_write - call_user_func($this->notification, STREAM_NOTIFY_PROGRESS, STREAM_NOTIFY_SEVERITY_INFO, '', 0, strlen($data), strlen($data)); - } - - if ($result === false) { - return false; - } - $this->pos+= strlen($data); - if ($this->pos > $this->size) { - $this->size = $this->pos; - } - $this->eof = false; - return strlen($data); - } - - /** - * Retrieve the current position of a stream - * - * @return int - * @access public - */ - function _stream_tell() - { - return $this->pos; - } - - /** - * Tests for end-of-file on a file pointer - * - * In my testing there are four classes functions that normally effect the pointer: - * fseek, fputs / fwrite, fgets / fread and ftruncate. - * - * Only fgets / fread, however, results in feof() returning true. do fputs($fp, 'aaa') on a blank file and feof() - * will return false. do fread($fp, 1) and feof() will then return true. do fseek($fp, 10) on ablank file and feof() - * will return false. do fread($fp, 1) and feof() will then return true. - * - * @return bool - * @access public - */ - function _stream_eof() - { - return $this->eof; - } - - /** - * Seeks to specific location in a stream - * - * @param int $offset - * @param int $whence - * @return bool - * @access public - */ - function _stream_seek($offset, $whence) - { - switch ($whence) { - case SEEK_SET: - if ($offset >= $this->size || $offset < 0) { - return false; - } - break; - case SEEK_CUR: - $offset+= $this->pos; - break; - case SEEK_END: - $offset+= $this->size; - } - - $this->pos = $offset; - $this->eof = false; - return true; - } - - /** - * Change stream options - * - * @param string $path - * @param int $option - * @param mixed $var - * @return bool - * @access public - */ - function _stream_metadata($path, $option, $var) - { - $path = $this->_parse_path($path); - if ($path === false) { - return false; - } - - // stream_metadata was introduced in PHP 5.4.0 but as of 5.4.11 the constants haven't been defined - // see http://www.php.net/streamwrapper.stream-metadata and https://bugs.php.net/64246 - // and https://github.com/php/php-src/blob/master/main/php_streams.h#L592 - switch ($option) { - case 1: // PHP_STREAM_META_TOUCH - return $this->sftp->touch($path, $var[0], $var[1]); - case 2: // PHP_STREAM_OWNER_NAME - case 3: // PHP_STREAM_GROUP_NAME - return false; - case 4: // PHP_STREAM_META_OWNER - return $this->sftp->chown($path, $var); - case 5: // PHP_STREAM_META_GROUP - return $this->sftp->chgrp($path, $var); - case 6: // PHP_STREAM_META_ACCESS - return $this->sftp->chmod($path, $var) !== false; - } - } - - /** - * Retrieve the underlaying resource - * - * @param int $cast_as - * @return resource - * @access public - */ - function _stream_cast($cast_as) - { - return $this->sftp->fsock; - } - - /** - * Advisory file locking - * - * @param int $operation - * @return bool - * @access public - */ - function _stream_lock($operation) - { - return false; - } - - /** - * Renames a file or directory - * - * Attempts to rename oldname to newname, moving it between directories if necessary. - * If newname exists, it will be overwritten. This is a departure from what \phpseclib\Net\SFTP - * does. - * - * @param string $path_from - * @param string $path_to - * @return bool - * @access public - */ - function _rename($path_from, $path_to) - { - $path1 = parse_url($path_from); - $path2 = parse_url($path_to); - unset($path1['path'], $path2['path']); - if ($path1 != $path2) { - return false; - } - - $path_from = $this->_parse_path($path_from); - $path_to = parse_url($path_to); - if ($path_from === false) { - return false; - } - - $path_to = $path_to['path']; // the $component part of parse_url() was added in PHP 5.1.2 - // "It is an error if there already exists a file with the name specified by newpath." - // -- http://tools.ietf.org/html/draft-ietf-secsh-filexfer-02#section-6.5 - if (!$this->sftp->rename($path_from, $path_to)) { - if ($this->sftp->stat($path_to)) { - return $this->sftp->delete($path_to, true) && $this->sftp->rename($path_from, $path_to); - } - return false; - } - - return true; - } - - /** - * Open directory handle - * - * The only $options is "whether or not to enforce safe_mode (0x04)". Since safe mode was deprecated in 5.3 and - * removed in 5.4 I'm just going to ignore it. - * - * Also, nlist() is the best that this function is realistically going to be able to do. When an SFTP client - * sends a SSH_FXP_READDIR packet you don't generally get info on just one file but on multiple files. Quoting - * the SFTP specs: - * - * The SSH_FXP_NAME response has the following format: - * - * uint32 id - * uint32 count - * repeats count times: - * string filename - * string longname - * ATTRS attrs - * - * @param string $path - * @param int $options - * @return bool - * @access public - */ - function _dir_opendir($path, $options) - { - $path = $this->_parse_path($path); - if ($path === false) { - return false; - } - $this->pos = 0; - $this->entries = $this->sftp->nlist($path); - return $this->entries !== false; - } - - /** - * Read entry from directory handle - * - * @return mixed - * @access public - */ - function _dir_readdir() - { - if (isset($this->entries[$this->pos])) { - return $this->entries[$this->pos++]; - } - return false; - } - - /** - * Rewind directory handle - * - * @return bool - * @access public - */ - function _dir_rewinddir() - { - $this->pos = 0; - return true; - } - - /** - * Close directory handle - * - * @return bool - * @access public - */ - function _dir_closedir() - { - return true; - } - - /** - * Create a directory - * - * Only valid $options is STREAM_MKDIR_RECURSIVE - * - * @param string $path - * @param int $mode - * @param int $options - * @return bool - * @access public - */ - function _mkdir($path, $mode, $options) - { - $path = $this->_parse_path($path); - if ($path === false) { - return false; - } - - return $this->sftp->mkdir($path, $mode, $options & STREAM_MKDIR_RECURSIVE); - } - - /** - * Removes a directory - * - * Only valid $options is STREAM_MKDIR_RECURSIVE per , however, - * does not have a $recursive parameter as mkdir() does so I don't know how - * STREAM_MKDIR_RECURSIVE is supposed to be set. Also, when I try it out with rmdir() I get 8 as - * $options. What does 8 correspond to? - * - * @param string $path - * @param int $mode - * @param int $options - * @return bool - * @access public - */ - function _rmdir($path, $options) - { - $path = $this->_parse_path($path); - if ($path === false) { - return false; - } - - return $this->sftp->rmdir($path); - } - - /** - * Flushes the output - * - * See . Always returns true because \phpseclib\Net\SFTP doesn't cache stuff before writing - * - * @return bool - * @access public - */ - function _stream_flush() - { - return true; - } - - /** - * Retrieve information about a file resource - * - * @return mixed - * @access public - */ - function _stream_stat() - { - $results = $this->sftp->stat($this->path); - if ($results === false) { - return false; - } - return $results; - } - - /** - * Delete a file - * - * @param string $path - * @return bool - * @access public - */ - function _unlink($path) - { - $path = $this->_parse_path($path); - if ($path === false) { - return false; - } - - return $this->sftp->delete($path, false); - } - - /** - * Retrieve information about a file - * - * Ignores the STREAM_URL_STAT_QUIET flag because the entirety of \phpseclib\Net\SFTP\Stream is quiet by default - * might be worthwhile to reconstruct bits 12-16 (ie. the file type) if mode doesn't have them but we'll - * cross that bridge when and if it's reached - * - * @param string $path - * @param int $flags - * @return mixed - * @access public - */ - function _url_stat($path, $flags) - { - $path = $this->_parse_path($path); - if ($path === false) { - return false; - } - - $results = $flags & STREAM_URL_STAT_LINK ? $this->sftp->lstat($path) : $this->sftp->stat($path); - if ($results === false) { - return false; - } - - return $results; - } - - /** - * Truncate stream - * - * @param int $new_size - * @return bool - * @access public - */ - function _stream_truncate($new_size) - { - if (!$this->sftp->truncate($this->path, $new_size)) { - return false; - } - - $this->eof = false; - $this->size = $new_size; - - return true; - } - - /** - * Change stream options - * - * STREAM_OPTION_WRITE_BUFFER isn't supported for the same reason stream_flush isn't. - * The other two aren't supported because of limitations in \phpseclib\Net\SFTP. - * - * @param int $option - * @param int $arg1 - * @param int $arg2 - * @return bool - * @access public - */ - function _stream_set_option($option, $arg1, $arg2) - { - return false; - } - - /** - * Close an resource - * - * @access public - */ - function _stream_close() - { - } - - /** - * __call Magic Method - * - * When you're utilizing an SFTP stream you're not calling the methods in this class directly - PHP is calling them for you. - * Which kinda begs the question... what methods is PHP calling and what parameters is it passing to them? This function - * lets you figure that out. - * - * If NET_SFTP_STREAM_LOGGING is defined all calls will be output on the screen and then (regardless of whether or not - * NET_SFTP_STREAM_LOGGING is enabled) the parameters will be passed through to the appropriate method. - * - * @param string - * @param array - * @return mixed - * @access public - */ - function __call($name, $arguments) - { - if (defined('NET_SFTP_STREAM_LOGGING')) { - echo $name . '('; - $last = count($arguments) - 1; - foreach ($arguments as $i => $argument) { - var_export($argument); - if ($i != $last) { - echo ','; - } - } - echo ")\r\n"; - } - $name = '_' . $name; - if (!method_exists($this, $name)) { - return false; - } - return call_user_func_array(array($this, $name), $arguments); - } -} diff --git a/lib/phpseclib/Net/SSH1.php b/lib/phpseclib/Net/SSH1.php deleted file mode 100644 index 514b20a2d97..00000000000 --- a/lib/phpseclib/Net/SSH1.php +++ /dev/null @@ -1,1642 +0,0 @@ - - * login('username', 'password')) { - * exit('Login Failed'); - * } - * - * echo $ssh->exec('ls -la'); - * ?> - * - * - * Here's another short example: - * - * login('username', 'password')) { - * exit('Login Failed'); - * } - * - * echo $ssh->read('username@username:~$'); - * $ssh->write("ls -la\n"); - * echo $ssh->read('username@username:~$'); - * ?> - * - * - * More information on the SSHv1 specification can be found by reading - * {@link http://www.snailbook.com/docs/protocol-1.5.txt protocol-1.5.txt}. - * - * @category Net - * @package SSH1 - * @author Jim Wigginton - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Net; - -use phpseclib\Crypt\DES; -use phpseclib\Crypt\Random; -use phpseclib\Crypt\TripleDES; -use phpseclib\Math\BigInteger; - -/** - * Pure-PHP implementation of SSHv1. - * - * @package SSH1 - * @author Jim Wigginton - * @access public - */ -class SSH1 -{ - /**#@+ - * Encryption Methods - * - * @see \phpseclib\Net\SSH1::getSupportedCiphers() - * @access public - */ - /** - * No encryption - * - * Not supported. - */ - const CIPHER_NONE = 0; - /** - * IDEA in CFB mode - * - * Not supported. - */ - const CIPHER_IDEA = 1; - /** - * DES in CBC mode - */ - const CIPHER_DES = 2; - /** - * Triple-DES in CBC mode - * - * All implementations are required to support this - */ - const CIPHER_3DES = 3; - /** - * TRI's Simple Stream encryption CBC - * - * Not supported nor is it defined in the official SSH1 specs. OpenSSH, however, does define it (see cipher.h), - * although it doesn't use it (see cipher.c) - */ - const CIPHER_BROKEN_TSS = 4; - /** - * RC4 - * - * Not supported. - * - * @internal According to the SSH1 specs: - * - * "The first 16 bytes of the session key are used as the key for - * the server to client direction. The remaining 16 bytes are used - * as the key for the client to server direction. This gives - * independent 128-bit keys for each direction." - * - * This library currently only supports encryption when the same key is being used for both directions. This is - * because there's only one $crypto object. Two could be added ($encrypt and $decrypt, perhaps). - */ - const CIPHER_RC4 = 5; - /** - * Blowfish - * - * Not supported nor is it defined in the official SSH1 specs. OpenSSH, however, defines it (see cipher.h) and - * uses it (see cipher.c) - */ - const CIPHER_BLOWFISH = 6; - /**#@-*/ - - /**#@+ - * Authentication Methods - * - * @see \phpseclib\Net\SSH1::getSupportedAuthentications() - * @access public - */ - /** - * .rhosts or /etc/hosts.equiv - */ - const AUTH_RHOSTS = 1; - /** - * pure RSA authentication - */ - const AUTH_RSA = 2; - /** - * password authentication - * - * This is the only method that is supported by this library. - */ - const AUTH_PASSWORD = 3; - /** - * .rhosts with RSA host authentication - */ - const AUTH_RHOSTS_RSA = 4; - /**#@-*/ - - /**#@+ - * Terminal Modes - * - * @link http://3sp.com/content/developer/maverick-net/docs/Maverick.SSH.PseudoTerminalModesMembers.html - * @access private - */ - const TTY_OP_END = 0; - /**#@-*/ - - /** - * The Response Type - * - * @see \phpseclib\Net\SSH1::_get_binary_packet() - * @access private - */ - const RESPONSE_TYPE = 1; - - /** - * The Response Data - * - * @see \phpseclib\Net\SSH1::_get_binary_packet() - * @access private - */ - const RESPONSE_DATA = 2; - - /**#@+ - * Execution Bitmap Masks - * - * @see \phpseclib\Net\SSH1::bitmap - * @access private - */ - const MASK_CONSTRUCTOR = 0x00000001; - const MASK_CONNECTED = 0x00000002; - const MASK_LOGIN = 0x00000004; - const MASK_SHELL = 0x00000008; - /**#@-*/ - - /**#@+ - * @access public - * @see \phpseclib\Net\SSH1::getLog() - */ - /** - * Returns the message numbers - */ - const LOG_SIMPLE = 1; - /** - * Returns the message content - */ - const LOG_COMPLEX = 2; - /** - * Outputs the content real-time - */ - const LOG_REALTIME = 3; - /** - * Dumps the content real-time to a file - */ - const LOG_REALTIME_FILE = 4; - /**#@-*/ - - /**#@+ - * @access public - * @see \phpseclib\Net\SSH1::read() - */ - /** - * Returns when a string matching $expect exactly is found - */ - const READ_SIMPLE = 1; - /** - * Returns when a string matching the regular expression $expect is found - */ - const READ_REGEX = 2; - /**#@-*/ - - /** - * The SSH identifier - * - * @var string - * @access private - */ - var $identifier = 'SSH-1.5-phpseclib'; - - /** - * The Socket Object - * - * @var object - * @access private - */ - var $fsock; - - /** - * The cryptography object - * - * @var object - * @access private - */ - var $crypto = false; - - /** - * Execution Bitmap - * - * The bits that are set represent functions that have been called already. This is used to determine - * if a requisite function has been successfully executed. If not, an error should be thrown. - * - * @var int - * @access private - */ - var $bitmap = 0; - - /** - * The Server Key Public Exponent - * - * Logged for debug purposes - * - * @see self::getServerKeyPublicExponent() - * @var string - * @access private - */ - var $server_key_public_exponent; - - /** - * The Server Key Public Modulus - * - * Logged for debug purposes - * - * @see self::getServerKeyPublicModulus() - * @var string - * @access private - */ - var $server_key_public_modulus; - - /** - * The Host Key Public Exponent - * - * Logged for debug purposes - * - * @see self::getHostKeyPublicExponent() - * @var string - * @access private - */ - var $host_key_public_exponent; - - /** - * The Host Key Public Modulus - * - * Logged for debug purposes - * - * @see self::getHostKeyPublicModulus() - * @var string - * @access private - */ - var $host_key_public_modulus; - - /** - * Supported Ciphers - * - * Logged for debug purposes - * - * @see self::getSupportedCiphers() - * @var array - * @access private - */ - var $supported_ciphers = array( - self::CIPHER_NONE => 'No encryption', - self::CIPHER_IDEA => 'IDEA in CFB mode', - self::CIPHER_DES => 'DES in CBC mode', - self::CIPHER_3DES => 'Triple-DES in CBC mode', - self::CIPHER_BROKEN_TSS => 'TRI\'s Simple Stream encryption CBC', - self::CIPHER_RC4 => 'RC4', - self::CIPHER_BLOWFISH => 'Blowfish' - ); - - /** - * Supported Authentications - * - * Logged for debug purposes - * - * @see self::getSupportedAuthentications() - * @var array - * @access private - */ - var $supported_authentications = array( - self::AUTH_RHOSTS => '.rhosts or /etc/hosts.equiv', - self::AUTH_RSA => 'pure RSA authentication', - self::AUTH_PASSWORD => 'password authentication', - self::AUTH_RHOSTS_RSA => '.rhosts with RSA host authentication' - ); - - /** - * Server Identification - * - * @see self::getServerIdentification() - * @var string - * @access private - */ - var $server_identification = ''; - - /** - * Protocol Flags - * - * @see self::__construct() - * @var array - * @access private - */ - var $protocol_flags = array(); - - /** - * Protocol Flag Log - * - * @see self::getLog() - * @var array - * @access private - */ - var $protocol_flag_log = array(); - - /** - * Message Log - * - * @see self::getLog() - * @var array - * @access private - */ - var $message_log = array(); - - /** - * Real-time log file pointer - * - * @see self::_append_log() - * @var resource - * @access private - */ - var $realtime_log_file; - - /** - * Real-time log file size - * - * @see self::_append_log() - * @var int - * @access private - */ - var $realtime_log_size; - - /** - * Real-time log file wrap boolean - * - * @see self::_append_log() - * @var bool - * @access private - */ - var $realtime_log_wrap; - - /** - * Interactive Buffer - * - * @see self::read() - * @var array - * @access private - */ - var $interactiveBuffer = ''; - - /** - * Timeout - * - * @see self::setTimeout() - * @access private - */ - var $timeout; - - /** - * Current Timeout - * - * @see self::_get_channel_packet() - * @access private - */ - var $curTimeout; - - /** - * Log Boundary - * - * @see self::_format_log() - * @access private - */ - var $log_boundary = ':'; - - /** - * Log Long Width - * - * @see self::_format_log() - * @access private - */ - var $log_long_width = 65; - - /** - * Log Short Width - * - * @see self::_format_log() - * @access private - */ - var $log_short_width = 16; - - /** - * Hostname - * - * @see self::__construct() - * @see self::_connect() - * @var string - * @access private - */ - var $host; - - /** - * Port Number - * - * @see self::__construct() - * @see self::_connect() - * @var int - * @access private - */ - var $port; - - /** - * Timeout for initial connection - * - * Set by the constructor call. Calling setTimeout() is optional. If it's not called functions like - * exec() won't timeout unless some PHP setting forces it too. The timeout specified in the constructor, - * however, is non-optional. There will be a timeout, whether or not you set it. If you don't it'll be - * 10 seconds. It is used by fsockopen() in that function. - * - * @see self::__construct() - * @see self::_connect() - * @var int - * @access private - */ - var $connectionTimeout; - - /** - * Default cipher - * - * @see self::__construct() - * @see self::_connect() - * @var int - * @access private - */ - var $cipher; - - /** - * Default Constructor. - * - * Connects to an SSHv1 server - * - * @param string $host - * @param int $port - * @param int $timeout - * @param int $cipher - * @return \phpseclib\Net\SSH1 - * @access public - */ - function __construct($host, $port = 22, $timeout = 10, $cipher = self::CIPHER_3DES) - { - $this->protocol_flags = array( - 1 => 'NET_SSH1_MSG_DISCONNECT', - 2 => 'NET_SSH1_SMSG_PUBLIC_KEY', - 3 => 'NET_SSH1_CMSG_SESSION_KEY', - 4 => 'NET_SSH1_CMSG_USER', - 9 => 'NET_SSH1_CMSG_AUTH_PASSWORD', - 10 => 'NET_SSH1_CMSG_REQUEST_PTY', - 12 => 'NET_SSH1_CMSG_EXEC_SHELL', - 13 => 'NET_SSH1_CMSG_EXEC_CMD', - 14 => 'NET_SSH1_SMSG_SUCCESS', - 15 => 'NET_SSH1_SMSG_FAILURE', - 16 => 'NET_SSH1_CMSG_STDIN_DATA', - 17 => 'NET_SSH1_SMSG_STDOUT_DATA', - 18 => 'NET_SSH1_SMSG_STDERR_DATA', - 19 => 'NET_SSH1_CMSG_EOF', - 20 => 'NET_SSH1_SMSG_EXITSTATUS', - 33 => 'NET_SSH1_CMSG_EXIT_CONFIRMATION' - ); - - $this->_define_array($this->protocol_flags); - - $this->host = $host; - $this->port = $port; - $this->connectionTimeout = $timeout; - $this->cipher = $cipher; - } - - /** - * Connect to an SSHv1 server - * - * @return bool - * @access private - */ - function _connect() - { - $this->fsock = @fsockopen($this->host, $this->port, $errno, $errstr, $this->connectionTimeout); - if (!$this->fsock) { - user_error(rtrim("Cannot connect to {$this->host}:{$this->port}. Error $errno. $errstr")); - return false; - } - - $this->server_identification = $init_line = fgets($this->fsock, 255); - - if (defined('NET_SSH1_LOGGING')) { - $this->_append_log('<-', $this->server_identification); - $this->_append_log('->', $this->identifier . "\r\n"); - } - - if (!preg_match('#SSH-([0-9\.]+)-(.+)#', $init_line, $parts)) { - user_error('Can only connect to SSH servers'); - return false; - } - if ($parts[1][0] != 1) { - user_error("Cannot connect to SSH $parts[1] servers"); - return false; - } - - fputs($this->fsock, $this->identifier."\r\n"); - - $response = $this->_get_binary_packet(); - if ($response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_PUBLIC_KEY) { - user_error('Expected SSH_SMSG_PUBLIC_KEY'); - return false; - } - - $anti_spoofing_cookie = $this->_string_shift($response[self::RESPONSE_DATA], 8); - - $this->_string_shift($response[self::RESPONSE_DATA], 4); - - if (strlen($response[self::RESPONSE_DATA]) < 2) { - return false; - } - $temp = unpack('nlen', $this->_string_shift($response[self::RESPONSE_DATA], 2)); - $server_key_public_exponent = new BigInteger($this->_string_shift($response[self::RESPONSE_DATA], ceil($temp['len'] / 8)), 256); - $this->server_key_public_exponent = $server_key_public_exponent; - - if (strlen($response[self::RESPONSE_DATA]) < 2) { - return false; - } - $temp = unpack('nlen', $this->_string_shift($response[self::RESPONSE_DATA], 2)); - $server_key_public_modulus = new BigInteger($this->_string_shift($response[self::RESPONSE_DATA], ceil($temp['len'] / 8)), 256); - - $this->server_key_public_modulus = $server_key_public_modulus; - - $this->_string_shift($response[self::RESPONSE_DATA], 4); - - if (strlen($response[self::RESPONSE_DATA]) < 2) { - return false; - } - $temp = unpack('nlen', $this->_string_shift($response[self::RESPONSE_DATA], 2)); - $host_key_public_exponent = new BigInteger($this->_string_shift($response[self::RESPONSE_DATA], ceil($temp['len'] / 8)), 256); - $this->host_key_public_exponent = $host_key_public_exponent; - - if (strlen($response[self::RESPONSE_DATA]) < 2) { - return false; - } - $temp = unpack('nlen', $this->_string_shift($response[self::RESPONSE_DATA], 2)); - $host_key_public_modulus = new BigInteger($this->_string_shift($response[self::RESPONSE_DATA], ceil($temp['len'] / 8)), 256); - - $this->host_key_public_modulus = $host_key_public_modulus; - - $this->_string_shift($response[self::RESPONSE_DATA], 4); - - // get a list of the supported ciphers - if (strlen($response[self::RESPONSE_DATA]) < 4) { - return false; - } - extract(unpack('Nsupported_ciphers_mask', $this->_string_shift($response[self::RESPONSE_DATA], 4))); - - foreach ($this->supported_ciphers as $mask => $name) { - if (($supported_ciphers_mask & (1 << $mask)) == 0) { - unset($this->supported_ciphers[$mask]); - } - } - - // get a list of the supported authentications - if (strlen($response[self::RESPONSE_DATA]) < 4) { - return false; - } - extract(unpack('Nsupported_authentications_mask', $this->_string_shift($response[self::RESPONSE_DATA], 4))); - foreach ($this->supported_authentications as $mask => $name) { - if (($supported_authentications_mask & (1 << $mask)) == 0) { - unset($this->supported_authentications[$mask]); - } - } - - $session_id = pack('H*', md5($host_key_public_modulus->toBytes() . $server_key_public_modulus->toBytes() . $anti_spoofing_cookie)); - - $session_key = Random::string(32); - $double_encrypted_session_key = $session_key ^ str_pad($session_id, 32, chr(0)); - - if ($server_key_public_modulus->compare($host_key_public_modulus) < 0) { - $double_encrypted_session_key = $this->_rsa_crypt( - $double_encrypted_session_key, - array( - $server_key_public_exponent, - $server_key_public_modulus - ) - ); - $double_encrypted_session_key = $this->_rsa_crypt( - $double_encrypted_session_key, - array( - $host_key_public_exponent, - $host_key_public_modulus - ) - ); - } else { - $double_encrypted_session_key = $this->_rsa_crypt( - $double_encrypted_session_key, - array( - $host_key_public_exponent, - $host_key_public_modulus - ) - ); - $double_encrypted_session_key = $this->_rsa_crypt( - $double_encrypted_session_key, - array( - $server_key_public_exponent, - $server_key_public_modulus - ) - ); - } - - $cipher = isset($this->supported_ciphers[$this->cipher]) ? $this->cipher : self::CIPHER_3DES; - $data = pack('C2a*na*N', NET_SSH1_CMSG_SESSION_KEY, $cipher, $anti_spoofing_cookie, 8 * strlen($double_encrypted_session_key), $double_encrypted_session_key, 0); - - if (!$this->_send_binary_packet($data)) { - user_error('Error sending SSH_CMSG_SESSION_KEY'); - return false; - } - - switch ($cipher) { - //case self::CIPHER_NONE: - // $this->crypto = new \phpseclib\Crypt\Null(); - // break; - case self::CIPHER_DES: - $this->crypto = new DES(); - $this->crypto->disablePadding(); - $this->crypto->enableContinuousBuffer(); - $this->crypto->setKey(substr($session_key, 0, 8)); - break; - case self::CIPHER_3DES: - $this->crypto = new TripleDES(TripleDES::MODE_3CBC); - $this->crypto->disablePadding(); - $this->crypto->enableContinuousBuffer(); - $this->crypto->setKey(substr($session_key, 0, 24)); - break; - //case self::CIPHER_RC4: - // $this->crypto = new RC4(); - // $this->crypto->enableContinuousBuffer(); - // $this->crypto->setKey(substr($session_key, 0, 16)); - // break; - } - - $response = $this->_get_binary_packet(); - - if ($response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_SUCCESS) { - user_error('Expected SSH_SMSG_SUCCESS'); - return false; - } - - $this->bitmap = self::MASK_CONNECTED; - - return true; - } - - /** - * Login - * - * @param string $username - * @param string $password - * @return bool - * @access public - */ - function login($username, $password = '') - { - if (!($this->bitmap & self::MASK_CONSTRUCTOR)) { - $this->bitmap |= self::MASK_CONSTRUCTOR; - if (!$this->_connect()) { - return false; - } - } - - if (!($this->bitmap & self::MASK_CONNECTED)) { - return false; - } - - $data = pack('CNa*', NET_SSH1_CMSG_USER, strlen($username), $username); - - if (!$this->_send_binary_packet($data)) { - user_error('Error sending SSH_CMSG_USER'); - return false; - } - - $response = $this->_get_binary_packet(); - - if ($response === true) { - return false; - } - if ($response[self::RESPONSE_TYPE] == NET_SSH1_SMSG_SUCCESS) { - $this->bitmap |= self::MASK_LOGIN; - return true; - } elseif ($response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_FAILURE) { - user_error('Expected SSH_SMSG_SUCCESS or SSH_SMSG_FAILURE'); - return false; - } - - $data = pack('CNa*', NET_SSH1_CMSG_AUTH_PASSWORD, strlen($password), $password); - - if (!$this->_send_binary_packet($data)) { - user_error('Error sending SSH_CMSG_AUTH_PASSWORD'); - return false; - } - - // remove the username and password from the last logged packet - if (defined('NET_SSH1_LOGGING') && NET_SSH1_LOGGING == self::LOG_COMPLEX) { - $data = pack('CNa*', NET_SSH1_CMSG_AUTH_PASSWORD, strlen('password'), 'password'); - $this->message_log[count($this->message_log) - 1] = $data; - } - - $response = $this->_get_binary_packet(); - - if ($response === true) { - return false; - } - if ($response[self::RESPONSE_TYPE] == NET_SSH1_SMSG_SUCCESS) { - $this->bitmap |= self::MASK_LOGIN; - return true; - } elseif ($response[self::RESPONSE_TYPE] == NET_SSH1_SMSG_FAILURE) { - return false; - } else { - user_error('Expected SSH_SMSG_SUCCESS or SSH_SMSG_FAILURE'); - return false; - } - } - - /** - * Set Timeout - * - * $ssh->exec('ping 127.0.0.1'); on a Linux host will never return and will run indefinitely. setTimeout() makes it so it'll timeout. - * Setting $timeout to false or 0 will mean there is no timeout. - * - * @param mixed $timeout - */ - function setTimeout($timeout) - { - $this->timeout = $this->curTimeout = $timeout; - } - - /** - * Executes a command on a non-interactive shell, returns the output, and quits. - * - * An SSH1 server will close the connection after a command has been executed on a non-interactive shell. SSH2 - * servers don't, however, this isn't an SSH2 client. The way this works, on the server, is by initiating a - * shell with the -s option, as discussed in the following links: - * - * {@link http://www.faqs.org/docs/bashman/bashref_65.html http://www.faqs.org/docs/bashman/bashref_65.html} - * {@link http://www.faqs.org/docs/bashman/bashref_62.html http://www.faqs.org/docs/bashman/bashref_62.html} - * - * To execute further commands, a new \phpseclib\Net\SSH1 object will need to be created. - * - * Returns false on failure and the output, otherwise. - * - * @see self::interactiveRead() - * @see self::interactiveWrite() - * @param string $cmd - * @return mixed - * @access public - */ - function exec($cmd, $block = true) - { - if (!($this->bitmap & self::MASK_LOGIN)) { - user_error('Operation disallowed prior to login()'); - return false; - } - - $data = pack('CNa*', NET_SSH1_CMSG_EXEC_CMD, strlen($cmd), $cmd); - - if (!$this->_send_binary_packet($data)) { - user_error('Error sending SSH_CMSG_EXEC_CMD'); - return false; - } - - if (!$block) { - return true; - } - - $output = ''; - $response = $this->_get_binary_packet(); - - if ($response !== false) { - do { - $output.= substr($response[self::RESPONSE_DATA], 4); - $response = $this->_get_binary_packet(); - } while (is_array($response) && $response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_EXITSTATUS); - } - - $data = pack('C', NET_SSH1_CMSG_EXIT_CONFIRMATION); - - // i don't think it's really all that important if this packet gets sent or not. - $this->_send_binary_packet($data); - - fclose($this->fsock); - - // reset the execution bitmap - a new \phpseclib\Net\SSH1 object needs to be created. - $this->bitmap = 0; - - return $output; - } - - /** - * Creates an interactive shell - * - * @see self::interactiveRead() - * @see self::interactiveWrite() - * @return bool - * @access private - */ - function _initShell() - { - // connect using the sample parameters in protocol-1.5.txt. - // according to wikipedia.org's entry on text terminals, "the fundamental type of application running on a text - // terminal is a command line interpreter or shell". thus, opening a terminal session to run the shell. - $data = pack('CNa*N4C', NET_SSH1_CMSG_REQUEST_PTY, strlen('vt100'), 'vt100', 24, 80, 0, 0, self::TTY_OP_END); - - if (!$this->_send_binary_packet($data)) { - user_error('Error sending SSH_CMSG_REQUEST_PTY'); - return false; - } - - $response = $this->_get_binary_packet(); - - if ($response === true) { - return false; - } - if ($response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_SUCCESS) { - user_error('Expected SSH_SMSG_SUCCESS'); - return false; - } - - $data = pack('C', NET_SSH1_CMSG_EXEC_SHELL); - - if (!$this->_send_binary_packet($data)) { - user_error('Error sending SSH_CMSG_EXEC_SHELL'); - return false; - } - - $this->bitmap |= self::MASK_SHELL; - - //stream_set_blocking($this->fsock, 0); - - return true; - } - - /** - * Inputs a command into an interactive shell. - * - * @see self::interactiveWrite() - * @param string $cmd - * @return bool - * @access public - */ - function write($cmd) - { - return $this->interactiveWrite($cmd); - } - - /** - * Returns the output of an interactive shell when there's a match for $expect - * - * $expect can take the form of a string literal or, if $mode == self::READ_REGEX, - * a regular expression. - * - * @see self::write() - * @param string $expect - * @param int $mode - * @return bool - * @access public - */ - function read($expect, $mode = self::READ_SIMPLE) - { - if (!($this->bitmap & self::MASK_LOGIN)) { - user_error('Operation disallowed prior to login()'); - return false; - } - - if (!($this->bitmap & self::MASK_SHELL) && !$this->_initShell()) { - user_error('Unable to initiate an interactive shell session'); - return false; - } - - $match = $expect; - while (true) { - if ($mode == self::READ_REGEX) { - preg_match($expect, $this->interactiveBuffer, $matches); - $match = isset($matches[0]) ? $matches[0] : ''; - } - $pos = strlen($match) ? strpos($this->interactiveBuffer, $match) : false; - if ($pos !== false) { - return $this->_string_shift($this->interactiveBuffer, $pos + strlen($match)); - } - $response = $this->_get_binary_packet(); - - if ($response === true) { - return $this->_string_shift($this->interactiveBuffer, strlen($this->interactiveBuffer)); - } - $this->interactiveBuffer.= substr($response[self::RESPONSE_DATA], 4); - } - } - - /** - * Inputs a command into an interactive shell. - * - * @see self::interactiveRead() - * @param string $cmd - * @return bool - * @access public - */ - function interactiveWrite($cmd) - { - if (!($this->bitmap & self::MASK_LOGIN)) { - user_error('Operation disallowed prior to login()'); - return false; - } - - if (!($this->bitmap & self::MASK_SHELL) && !$this->_initShell()) { - user_error('Unable to initiate an interactive shell session'); - return false; - } - - $data = pack('CNa*', NET_SSH1_CMSG_STDIN_DATA, strlen($cmd), $cmd); - - if (!$this->_send_binary_packet($data)) { - user_error('Error sending SSH_CMSG_STDIN'); - return false; - } - - return true; - } - - /** - * Returns the output of an interactive shell when no more output is available. - * - * Requires PHP 4.3.0 or later due to the use of the stream_select() function. If you see stuff like - * "^[[00m", you're seeing ANSI escape codes. According to - * {@link http://support.microsoft.com/kb/101875 How to Enable ANSI.SYS in a Command Window}, "Windows NT - * does not support ANSI escape sequences in Win32 Console applications", so if you're a Windows user, - * there's not going to be much recourse. - * - * @see self::interactiveRead() - * @return string - * @access public - */ - function interactiveRead() - { - if (!($this->bitmap & self::MASK_LOGIN)) { - user_error('Operation disallowed prior to login()'); - return false; - } - - if (!($this->bitmap & self::MASK_SHELL) && !$this->_initShell()) { - user_error('Unable to initiate an interactive shell session'); - return false; - } - - $read = array($this->fsock); - $write = $except = null; - if (stream_select($read, $write, $except, 0)) { - $response = $this->_get_binary_packet(); - return substr($response[self::RESPONSE_DATA], 4); - } else { - return ''; - } - } - - /** - * Disconnect - * - * @access public - */ - function disconnect() - { - $this->_disconnect(); - } - - /** - * Destructor. - * - * Will be called, automatically, if you're supporting just PHP5. If you're supporting PHP4, you'll need to call - * disconnect(). - * - * @access public - */ - function __destruct() - { - $this->_disconnect(); - } - - /** - * Disconnect - * - * @param string $msg - * @access private - */ - function _disconnect($msg = 'Client Quit') - { - if ($this->bitmap) { - $data = pack('C', NET_SSH1_CMSG_EOF); - $this->_send_binary_packet($data); - /* - $response = $this->_get_binary_packet(); - if ($response === true) { - $response = array(self::RESPONSE_TYPE => -1); - } - switch ($response[self::RESPONSE_TYPE]) { - case NET_SSH1_SMSG_EXITSTATUS: - $data = pack('C', NET_SSH1_CMSG_EXIT_CONFIRMATION); - break; - default: - $data = pack('CNa*', NET_SSH1_MSG_DISCONNECT, strlen($msg), $msg); - } - */ - $data = pack('CNa*', NET_SSH1_MSG_DISCONNECT, strlen($msg), $msg); - - $this->_send_binary_packet($data); - fclose($this->fsock); - $this->bitmap = 0; - } - } - - /** - * Gets Binary Packets - * - * See 'The Binary Packet Protocol' of protocol-1.5.txt for more info. - * - * Also, this function could be improved upon by adding detection for the following exploit: - * http://www.securiteam.com/securitynews/5LP042K3FY.html - * - * @see self::_send_binary_packet() - * @return array - * @access private - */ - function _get_binary_packet() - { - if (feof($this->fsock)) { - //user_error('connection closed prematurely'); - return false; - } - - if ($this->curTimeout) { - $read = array($this->fsock); - $write = $except = null; - - $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838 - $sec = floor($this->curTimeout); - $usec = 1000000 * ($this->curTimeout - $sec); - // on windows this returns a "Warning: Invalid CRT parameters detected" error - if (!@stream_select($read, $write, $except, $sec, $usec) && !count($read)) { - //$this->_disconnect('Timeout'); - return true; - } - $elapsed = strtok(microtime(), ' ') + strtok('') - $start; - $this->curTimeout-= $elapsed; - } - - $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838 - $data = fread($this->fsock, 4); - if (strlen($data) < 4) { - return false; - } - $temp = unpack('Nlength', $data); - - $padding_length = 8 - ($temp['length'] & 7); - $length = $temp['length'] + $padding_length; - $raw = ''; - - while ($length > 0) { - $temp = fread($this->fsock, $length); - $raw.= $temp; - $length-= strlen($temp); - } - $stop = strtok(microtime(), ' ') + strtok(''); - - if (strlen($raw) && $this->crypto !== false) { - $raw = $this->crypto->decrypt($raw); - } - - $padding = substr($raw, 0, $padding_length); - $type = $raw[$padding_length]; - $data = substr($raw, $padding_length + 1, -4); - - if (strlen($raw) < 4) { - return false; - } - $temp = unpack('Ncrc', substr($raw, -4)); - - //if ( $temp['crc'] != $this->_crc($padding . $type . $data) ) { - // user_error('Bad CRC in packet from server'); - // return false; - //} - - $type = ord($type); - - if (defined('NET_SSH1_LOGGING')) { - $temp = isset($this->protocol_flags[$type]) ? $this->protocol_flags[$type] : 'UNKNOWN'; - $temp = '<- ' . $temp . - ' (' . round($stop - $start, 4) . 's)'; - $this->_append_log($temp, $data); - } - - return array( - self::RESPONSE_TYPE => $type, - self::RESPONSE_DATA => $data - ); - } - - /** - * Sends Binary Packets - * - * Returns true on success, false on failure. - * - * @see self::_get_binary_packet() - * @param string $data - * @return bool - * @access private - */ - function _send_binary_packet($data) - { - if (feof($this->fsock)) { - //user_error('connection closed prematurely'); - return false; - } - - $length = strlen($data) + 4; - - $padding = Random::string(8 - ($length & 7)); - - $orig = $data; - $data = $padding . $data; - $data.= pack('N', $this->_crc($data)); - - if ($this->crypto !== false) { - $data = $this->crypto->encrypt($data); - } - - $packet = pack('Na*', $length, $data); - - $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838 - $result = strlen($packet) == fputs($this->fsock, $packet); - $stop = strtok(microtime(), ' ') + strtok(''); - - if (defined('NET_SSH1_LOGGING')) { - $temp = isset($this->protocol_flags[ord($orig[0])]) ? $this->protocol_flags[ord($orig[0])] : 'UNKNOWN'; - $temp = '-> ' . $temp . - ' (' . round($stop - $start, 4) . 's)'; - $this->_append_log($temp, $orig); - } - - return $result; - } - - /** - * Cyclic Redundancy Check (CRC) - * - * PHP's crc32 function is implemented slightly differently than the one that SSH v1 uses, so - * we've reimplemented it. A more detailed discussion of the differences can be found after - * $crc_lookup_table's initialization. - * - * @see self::_get_binary_packet() - * @see self::_send_binary_packet() - * @param string $data - * @return int - * @access private - */ - function _crc($data) - { - static $crc_lookup_table = array( - 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, - 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3, - 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, - 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, - 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, - 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7, - 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, - 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5, - 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, - 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, - 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, - 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59, - 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, - 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F, - 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, - 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, - 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, - 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433, - 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, - 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01, - 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, - 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, - 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, - 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65, - 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, - 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB, - 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, - 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, - 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, - 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F, - 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, - 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD, - 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, - 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, - 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, - 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1, - 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, - 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7, - 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, - 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, - 0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, - 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B, - 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, - 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79, - 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, - 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, - 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, - 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D, - 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, - 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713, - 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, - 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, - 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, - 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777, - 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, - 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45, - 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, - 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, - 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, - 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9, - 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, - 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF, - 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, - 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D - ); - - // For this function to yield the same output as PHP's crc32 function, $crc would have to be - // set to 0xFFFFFFFF, initially - not 0x00000000 as it currently is. - $crc = 0x00000000; - $length = strlen($data); - - for ($i=0; $i<$length; $i++) { - // We AND $crc >> 8 with 0x00FFFFFF because we want the eight newly added bits to all - // be zero. PHP, unfortunately, doesn't always do this. 0x80000000 >> 8, as an example, - // yields 0xFF800000 - not 0x00800000. The following link elaborates: - // http://www.php.net/manual/en/language.operators.bitwise.php#57281 - $crc = (($crc >> 8) & 0x00FFFFFF) ^ $crc_lookup_table[($crc & 0xFF) ^ ord($data[$i])]; - } - - // In addition to having to set $crc to 0xFFFFFFFF, initially, the return value must be XOR'd with - // 0xFFFFFFFF for this function to return the same thing that PHP's crc32 function would. - return $crc; - } - - /** - * String Shift - * - * Inspired by array_shift - * - * @param string $string - * @param int $index - * @return string - * @access private - */ - function _string_shift(&$string, $index = 1) - { - $substr = substr($string, 0, $index); - $string = substr($string, $index); - return $substr; - } - - /** - * RSA Encrypt - * - * Returns mod(pow($m, $e), $n), where $n should be the product of two (large) primes $p and $q and where $e - * should be a number with the property that gcd($e, ($p - 1) * ($q - 1)) == 1. Could just make anything that - * calls this call modexp, instead, but I think this makes things clearer, maybe... - * - * @see self::__construct() - * @param BigInteger $m - * @param array $key - * @return BigInteger - * @access private - */ - function _rsa_crypt($m, $key) - { - /* - $rsa = new RSA(); - $rsa->loadKey($key, RSA::PUBLIC_FORMAT_RAW); - $rsa->setEncryptionMode(RSA::ENCRYPTION_PKCS1); - return $rsa->encrypt($m); - */ - - // To quote from protocol-1.5.txt: - // The most significant byte (which is only partial as the value must be - // less than the public modulus, which is never a power of two) is zero. - // - // The next byte contains the value 2 (which stands for public-key - // encrypted data in the PKCS standard [PKCS#1]). Then, there are non- - // zero random bytes to fill any unused space, a zero byte, and the data - // to be encrypted in the least significant bytes, the last byte of the - // data in the least significant byte. - - // Presumably the part of PKCS#1 they're refering to is "Section 7.2.1 Encryption Operation", - // under "7.2 RSAES-PKCS1-v1.5" and "7 Encryption schemes" of the following URL: - // ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1.pdf - $modulus = $key[1]->toBytes(); - $length = strlen($modulus) - strlen($m) - 3; - $random = ''; - while (strlen($random) != $length) { - $block = Random::string($length - strlen($random)); - $block = str_replace("\x00", '', $block); - $random.= $block; - } - $temp = chr(0) . chr(2) . $random . chr(0) . $m; - - $m = new BigInteger($temp, 256); - $m = $m->modPow($key[0], $key[1]); - - return $m->toBytes(); - } - - /** - * Define Array - * - * Takes any number of arrays whose indices are integers and whose values are strings and defines a bunch of - * named constants from it, using the value as the name of the constant and the index as the value of the constant. - * If any of the constants that would be defined already exists, none of the constants will be defined. - * - * @param array $array - * @access private - */ - function _define_array() - { - $args = func_get_args(); - foreach ($args as $arg) { - foreach ($arg as $key => $value) { - if (!defined($value)) { - define($value, $key); - } else { - break 2; - } - } - } - } - - /** - * Returns a log of the packets that have been sent and received. - * - * Returns a string if NET_SSH1_LOGGING == self::LOG_COMPLEX, an array if NET_SSH1_LOGGING == self::LOG_SIMPLE and false if !defined('NET_SSH1_LOGGING') - * - * @access public - * @return array|false|string - */ - function getLog() - { - if (!defined('NET_SSH1_LOGGING')) { - return false; - } - - switch (NET_SSH1_LOGGING) { - case self::LOG_SIMPLE: - return $this->message_number_log; - break; - case self::LOG_COMPLEX: - return $this->_format_log($this->message_log, $this->protocol_flags_log); - break; - default: - return false; - } - } - - /** - * Formats a log for printing - * - * @param array $message_log - * @param array $message_number_log - * @access private - * @return string - */ - function _format_log($message_log, $message_number_log) - { - $output = ''; - for ($i = 0; $i < count($message_log); $i++) { - $output.= $message_number_log[$i] . "\r\n"; - $current_log = $message_log[$i]; - $j = 0; - do { - if (strlen($current_log)) { - $output.= str_pad(dechex($j), 7, '0', STR_PAD_LEFT) . '0 '; - } - $fragment = $this->_string_shift($current_log, $this->log_short_width); - $hex = substr(preg_replace_callback('#.#s', array($this, '_format_log_helper'), $fragment), strlen($this->log_boundary)); - // replace non ASCII printable characters with dots - // http://en.wikipedia.org/wiki/ASCII#ASCII_printable_characters - // also replace < with a . since < messes up the output on web browsers - $raw = preg_replace('#[^\x20-\x7E]|<#', '.', $fragment); - $output.= str_pad($hex, $this->log_long_width - $this->log_short_width, ' ') . $raw . "\r\n"; - $j++; - } while (strlen($current_log)); - $output.= "\r\n"; - } - - return $output; - } - - /** - * Helper function for _format_log - * - * For use with preg_replace_callback() - * - * @param array $matches - * @access private - * @return string - */ - function _format_log_helper($matches) - { - return $this->log_boundary . str_pad(dechex(ord($matches[0])), 2, '0', STR_PAD_LEFT); - } - - /** - * Return the server key public exponent - * - * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead, - * the raw bytes. This behavior is similar to PHP's md5() function. - * - * @param bool $raw_output - * @return string - * @access public - */ - function getServerKeyPublicExponent($raw_output = false) - { - return $raw_output ? $this->server_key_public_exponent->toBytes() : $this->server_key_public_exponent->toString(); - } - - /** - * Return the server key public modulus - * - * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead, - * the raw bytes. This behavior is similar to PHP's md5() function. - * - * @param bool $raw_output - * @return string - * @access public - */ - function getServerKeyPublicModulus($raw_output = false) - { - return $raw_output ? $this->server_key_public_modulus->toBytes() : $this->server_key_public_modulus->toString(); - } - - /** - * Return the host key public exponent - * - * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead, - * the raw bytes. This behavior is similar to PHP's md5() function. - * - * @param bool $raw_output - * @return string - * @access public - */ - function getHostKeyPublicExponent($raw_output = false) - { - return $raw_output ? $this->host_key_public_exponent->toBytes() : $this->host_key_public_exponent->toString(); - } - - /** - * Return the host key public modulus - * - * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead, - * the raw bytes. This behavior is similar to PHP's md5() function. - * - * @param bool $raw_output - * @return string - * @access public - */ - function getHostKeyPublicModulus($raw_output = false) - { - return $raw_output ? $this->host_key_public_modulus->toBytes() : $this->host_key_public_modulus->toString(); - } - - /** - * Return a list of ciphers supported by SSH1 server. - * - * Just because a cipher is supported by an SSH1 server doesn't mean it's supported by this library. If $raw_output - * is set to true, returns, instead, an array of constants. ie. instead of array('Triple-DES in CBC mode'), you'll - * get array(self::CIPHER_3DES). - * - * @param bool $raw_output - * @return array - * @access public - */ - function getSupportedCiphers($raw_output = false) - { - return $raw_output ? array_keys($this->supported_ciphers) : array_values($this->supported_ciphers); - } - - /** - * Return a list of authentications supported by SSH1 server. - * - * Just because a cipher is supported by an SSH1 server doesn't mean it's supported by this library. If $raw_output - * is set to true, returns, instead, an array of constants. ie. instead of array('password authentication'), you'll - * get array(self::AUTH_PASSWORD). - * - * @param bool $raw_output - * @return array - * @access public - */ - function getSupportedAuthentications($raw_output = false) - { - return $raw_output ? array_keys($this->supported_authentications) : array_values($this->supported_authentications); - } - - /** - * Return the server identification. - * - * @return string - * @access public - */ - function getServerIdentification() - { - return rtrim($this->server_identification); - } - - /** - * Logs data packets - * - * Makes sure that only the last 1MB worth of packets will be logged - * - * @param string $data - * @access private - */ - function _append_log($protocol_flags, $message) - { - switch (NET_SSH1_LOGGING) { - // useful for benchmarks - case self::LOG_SIMPLE: - $this->protocol_flags_log[] = $protocol_flags; - break; - // the most useful log for SSH1 - case self::LOG_COMPLEX: - $this->protocol_flags_log[] = $protocol_flags; - $this->_string_shift($message); - $this->log_size+= strlen($message); - $this->message_log[] = $message; - while ($this->log_size > self::LOG_MAX_SIZE) { - $this->log_size-= strlen(array_shift($this->message_log)); - array_shift($this->protocol_flags_log); - } - break; - // dump the output out realtime; packets may be interspersed with non packets, - // passwords won't be filtered out and select other packets may not be correctly - // identified - case self::LOG_REALTIME: - echo "
\r\n" . $this->_format_log(array($message), array($protocol_flags)) . "\r\n
\r\n"; - @flush(); - @ob_flush(); - break; - // basically the same thing as self::LOG_REALTIME with the caveat that self::LOG_REALTIME_FILE - // needs to be defined and that the resultant log file will be capped out at self::LOG_MAX_SIZE. - // the earliest part of the log file is denoted by the first <<< START >>> and is not going to necessarily - // at the beginning of the file - case self::LOG_REALTIME_FILE: - if (!isset($this->realtime_log_file)) { - // PHP doesn't seem to like using constants in fopen() - $filename = self::LOG_REALTIME_FILE; - $fp = fopen($filename, 'w'); - $this->realtime_log_file = $fp; - } - if (!is_resource($this->realtime_log_file)) { - break; - } - $entry = $this->_format_log(array($message), array($protocol_flags)); - if ($this->realtime_log_wrap) { - $temp = "<<< START >>>\r\n"; - $entry.= $temp; - fseek($this->realtime_log_file, ftell($this->realtime_log_file) - strlen($temp)); - } - $this->realtime_log_size+= strlen($entry); - if ($this->realtime_log_size > self::LOG_MAX_SIZE) { - fseek($this->realtime_log_file, 0); - $this->realtime_log_size = strlen($entry); - $this->realtime_log_wrap = true; - } - fputs($this->realtime_log_file, $entry); - } - } -} diff --git a/lib/phpseclib/Net/SSH2.php b/lib/phpseclib/Net/SSH2.php deleted file mode 100644 index cdb7cb39e32..00000000000 --- a/lib/phpseclib/Net/SSH2.php +++ /dev/null @@ -1,4619 +0,0 @@ - - * login('username', 'password')) { - * exit('Login Failed'); - * } - * - * echo $ssh->exec('pwd'); - * echo $ssh->exec('ls -la'); - * ?> - * - * - * - * setPassword('whatever'); - * $key->loadKey(file_get_contents('privatekey')); - * - * $ssh = new \phpseclib\Net\SSH2('www.domain.tld'); - * if (!$ssh->login('username', $key)) { - * exit('Login Failed'); - * } - * - * echo $ssh->read('username@username:~$'); - * $ssh->write("ls -la\n"); - * echo $ssh->read('username@username:~$'); - * ?> - * - * - * @category Net - * @package SSH2 - * @author Jim Wigginton - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Net; - -use phpseclib\Crypt\Base; -use phpseclib\Crypt\Blowfish; -use phpseclib\Crypt\Hash; -use phpseclib\Crypt\Random; -use phpseclib\Crypt\RC4; -use phpseclib\Crypt\Rijndael; -use phpseclib\Crypt\RSA; -use phpseclib\Crypt\TripleDES; -use phpseclib\Crypt\Twofish; -use phpseclib\Math\BigInteger; // Used to do Diffie-Hellman key exchange and DSA/RSA signature verification. -use phpseclib\System\SSH\Agent; - -/** - * Pure-PHP implementation of SSHv2. - * - * @package SSH2 - * @author Jim Wigginton - * @access public - */ -class SSH2 -{ - /**#@+ - * Execution Bitmap Masks - * - * @see \phpseclib\Net\SSH2::bitmap - * @access private - */ - const MASK_CONSTRUCTOR = 0x00000001; - const MASK_CONNECTED = 0x00000002; - const MASK_LOGIN_REQ = 0x00000004; - const MASK_LOGIN = 0x00000008; - const MASK_SHELL = 0x00000010; - const MASK_WINDOW_ADJUST = 0x00000020; - /**#@-*/ - - /**#@+ - * Channel constants - * - * RFC4254 refers not to client and server channels but rather to sender and recipient channels. we don't refer - * to them in that way because RFC4254 toggles the meaning. the client sends a SSH_MSG_CHANNEL_OPEN message with - * a sender channel and the server sends a SSH_MSG_CHANNEL_OPEN_CONFIRMATION in response, with a sender and a - * recepient channel. at first glance, you might conclude that SSH_MSG_CHANNEL_OPEN_CONFIRMATION's sender channel - * would be the same thing as SSH_MSG_CHANNEL_OPEN's sender channel, but it's not, per this snipet: - * The 'recipient channel' is the channel number given in the original - * open request, and 'sender channel' is the channel number allocated by - * the other side. - * - * @see \phpseclib\Net\SSH2::_send_channel_packet() - * @see \phpseclib\Net\SSH2::_get_channel_packet() - * @access private - */ - const CHANNEL_EXEC = 1; // PuTTy uses 0x100 - const CHANNEL_SHELL = 2; - const CHANNEL_SUBSYSTEM = 3; - const CHANNEL_AGENT_FORWARD = 4; - /**#@-*/ - - /**#@+ - * @access public - * @see \phpseclib\Net\SSH2::getLog() - */ - /** - * Returns the message numbers - */ - const LOG_SIMPLE = 1; - /** - * Returns the message content - */ - const LOG_COMPLEX = 2; - /** - * Outputs the content real-time - */ - const LOG_REALTIME = 3; - /** - * Dumps the content real-time to a file - */ - const LOG_REALTIME_FILE = 4; - /** - * Make sure that the log never gets larger than this - */ - const LOG_MAX_SIZE = 1048576; // 1024 * 1024 - /**#@-*/ - - /**#@+ - * @access public - * @see \phpseclib\Net\SSH2::read() - */ - /** - * Returns when a string matching $expect exactly is found - */ - const READ_SIMPLE = 1; - /** - * Returns when a string matching the regular expression $expect is found - */ - const READ_REGEX = 2; - /** - * Returns when a string matching the regular expression $expect is found - */ - const READ_NEXT = 3; - /**#@-*/ - - /** - * The SSH identifier - * - * @var string - * @access private - */ - var $identifier; - - /** - * The Socket Object - * - * @var object - * @access private - */ - var $fsock; - - /** - * Execution Bitmap - * - * The bits that are set represent functions that have been called already. This is used to determine - * if a requisite function has been successfully executed. If not, an error should be thrown. - * - * @var int - * @access private - */ - var $bitmap = 0; - - /** - * Error information - * - * @see self::getErrors() - * @see self::getLastError() - * @var string - * @access private - */ - var $errors = array(); - - /** - * Server Identifier - * - * @see self::getServerIdentification() - * @var array|false - * @access private - */ - var $server_identifier = false; - - /** - * Key Exchange Algorithms - * - * @see self::getKexAlgorithims() - * @var array|false - * @access private - */ - var $kex_algorithms = false; - - /** - * Minimum Diffie-Hellman Group Bit Size in RFC 4419 Key Exchange Methods - * - * @see self::_key_exchange() - * @var int - * @access private - */ - var $kex_dh_group_size_min = 1536; - - /** - * Preferred Diffie-Hellman Group Bit Size in RFC 4419 Key Exchange Methods - * - * @see self::_key_exchange() - * @var int - * @access private - */ - var $kex_dh_group_size_preferred = 2048; - - /** - * Maximum Diffie-Hellman Group Bit Size in RFC 4419 Key Exchange Methods - * - * @see self::_key_exchange() - * @var int - * @access private - */ - var $kex_dh_group_size_max = 4096; - - /** - * Server Host Key Algorithms - * - * @see self::getServerHostKeyAlgorithms() - * @var array|false - * @access private - */ - var $server_host_key_algorithms = false; - - /** - * Encryption Algorithms: Client to Server - * - * @see self::getEncryptionAlgorithmsClient2Server() - * @var array|false - * @access private - */ - var $encryption_algorithms_client_to_server = false; - - /** - * Encryption Algorithms: Server to Client - * - * @see self::getEncryptionAlgorithmsServer2Client() - * @var array|false - * @access private - */ - var $encryption_algorithms_server_to_client = false; - - /** - * MAC Algorithms: Client to Server - * - * @see self::getMACAlgorithmsClient2Server() - * @var array|false - * @access private - */ - var $mac_algorithms_client_to_server = false; - - /** - * MAC Algorithms: Server to Client - * - * @see self::getMACAlgorithmsServer2Client() - * @var array|false - * @access private - */ - var $mac_algorithms_server_to_client = false; - - /** - * Compression Algorithms: Client to Server - * - * @see self::getCompressionAlgorithmsClient2Server() - * @var array|false - * @access private - */ - var $compression_algorithms_client_to_server = false; - - /** - * Compression Algorithms: Server to Client - * - * @see self::getCompressionAlgorithmsServer2Client() - * @var array|false - * @access private - */ - var $compression_algorithms_server_to_client = false; - - /** - * Languages: Server to Client - * - * @see self::getLanguagesServer2Client() - * @var array|false - * @access private - */ - var $languages_server_to_client = false; - - /** - * Languages: Client to Server - * - * @see self::getLanguagesClient2Server() - * @var array|false - * @access private - */ - var $languages_client_to_server = false; - - /** - * Block Size for Server to Client Encryption - * - * "Note that the length of the concatenation of 'packet_length', - * 'padding_length', 'payload', and 'random padding' MUST be a multiple - * of the cipher block size or 8, whichever is larger. This constraint - * MUST be enforced, even when using stream ciphers." - * - * -- http://tools.ietf.org/html/rfc4253#section-6 - * - * @see self::__construct() - * @see self::_send_binary_packet() - * @var int - * @access private - */ - var $encrypt_block_size = 8; - - /** - * Block Size for Client to Server Encryption - * - * @see self::__construct() - * @see self::_get_binary_packet() - * @var int - * @access private - */ - var $decrypt_block_size = 8; - - /** - * Server to Client Encryption Object - * - * @see self::_get_binary_packet() - * @var object - * @access private - */ - var $decrypt = false; - - /** - * Client to Server Encryption Object - * - * @see self::_send_binary_packet() - * @var object - * @access private - */ - var $encrypt = false; - - /** - * Client to Server HMAC Object - * - * @see self::_send_binary_packet() - * @var object - * @access private - */ - var $hmac_create = false; - - /** - * Server to Client HMAC Object - * - * @see self::_get_binary_packet() - * @var object - * @access private - */ - var $hmac_check = false; - - /** - * Size of server to client HMAC - * - * We need to know how big the HMAC will be for the server to client direction so that we know how many bytes to read. - * For the client to server side, the HMAC object will make the HMAC as long as it needs to be. All we need to do is - * append it. - * - * @see self::_get_binary_packet() - * @var int - * @access private - */ - var $hmac_size = false; - - /** - * Server Public Host Key - * - * @see self::getServerPublicHostKey() - * @var string - * @access private - */ - var $server_public_host_key; - - /** - * Session identifier - * - * "The exchange hash H from the first key exchange is additionally - * used as the session identifier, which is a unique identifier for - * this connection." - * - * -- http://tools.ietf.org/html/rfc4253#section-7.2 - * - * @see self::_key_exchange() - * @var string - * @access private - */ - var $session_id = false; - - /** - * Exchange hash - * - * The current exchange hash - * - * @see self::_key_exchange() - * @var string - * @access private - */ - var $exchange_hash = false; - - /** - * Message Numbers - * - * @see self::__construct() - * @var array - * @access private - */ - var $message_numbers = array(); - - /** - * Disconnection Message 'reason codes' defined in RFC4253 - * - * @see self::__construct() - * @var array - * @access private - */ - var $disconnect_reasons = array(); - - /** - * SSH_MSG_CHANNEL_OPEN_FAILURE 'reason codes', defined in RFC4254 - * - * @see self::__construct() - * @var array - * @access private - */ - var $channel_open_failure_reasons = array(); - - /** - * Terminal Modes - * - * @link http://tools.ietf.org/html/rfc4254#section-8 - * @see self::__construct() - * @var array - * @access private - */ - var $terminal_modes = array(); - - /** - * SSH_MSG_CHANNEL_EXTENDED_DATA's data_type_codes - * - * @link http://tools.ietf.org/html/rfc4254#section-5.2 - * @see self::__construct() - * @var array - * @access private - */ - var $channel_extended_data_type_codes = array(); - - /** - * Send Sequence Number - * - * See 'Section 6.4. Data Integrity' of rfc4253 for more info. - * - * @see self::_send_binary_packet() - * @var int - * @access private - */ - var $send_seq_no = 0; - - /** - * Get Sequence Number - * - * See 'Section 6.4. Data Integrity' of rfc4253 for more info. - * - * @see self::_get_binary_packet() - * @var int - * @access private - */ - var $get_seq_no = 0; - - /** - * Server Channels - * - * Maps client channels to server channels - * - * @see self::_get_channel_packet() - * @see self::exec() - * @var array - * @access private - */ - var $server_channels = array(); - - /** - * Channel Buffers - * - * If a client requests a packet from one channel but receives two packets from another those packets should - * be placed in a buffer - * - * @see self::_get_channel_packet() - * @see self::exec() - * @var array - * @access private - */ - var $channel_buffers = array(); - - /** - * Channel Status - * - * Contains the type of the last sent message - * - * @see self::_get_channel_packet() - * @var array - * @access private - */ - var $channel_status = array(); - - /** - * Packet Size - * - * Maximum packet size indexed by channel - * - * @see self::_send_channel_packet() - * @var array - * @access private - */ - var $packet_size_client_to_server = array(); - - /** - * Message Number Log - * - * @see self::getLog() - * @var array - * @access private - */ - var $message_number_log = array(); - - /** - * Message Log - * - * @see self::getLog() - * @var array - * @access private - */ - var $message_log = array(); - - /** - * The Window Size - * - * Bytes the other party can send before it must wait for the window to be adjusted (0x7FFFFFFF = 2GB) - * - * @var int - * @see self::_send_channel_packet() - * @see self::exec() - * @access private - */ - var $window_size = 0x7FFFFFFF; - - /** - * Window size, server to client - * - * Window size indexed by channel - * - * @see self::_send_channel_packet() - * @var array - * @access private - */ - var $window_size_server_to_client = array(); - - /** - * Window size, client to server - * - * Window size indexed by channel - * - * @see self::_get_channel_packet() - * @var array - * @access private - */ - var $window_size_client_to_server = array(); - - /** - * Server signature - * - * Verified against $this->session_id - * - * @see self::getServerPublicHostKey() - * @var string - * @access private - */ - var $signature = ''; - - /** - * Server signature format - * - * ssh-rsa or ssh-dss. - * - * @see self::getServerPublicHostKey() - * @var string - * @access private - */ - var $signature_format = ''; - - /** - * Interactive Buffer - * - * @see self::read() - * @var array - * @access private - */ - var $interactiveBuffer = ''; - - /** - * Current log size - * - * Should never exceed self::LOG_MAX_SIZE - * - * @see self::_send_binary_packet() - * @see self::_get_binary_packet() - * @var int - * @access private - */ - var $log_size; - - /** - * Timeout - * - * @see self::setTimeout() - * @access private - */ - var $timeout; - - /** - * Current Timeout - * - * @see self::_get_channel_packet() - * @access private - */ - var $curTimeout; - - /** - * Real-time log file pointer - * - * @see self::_append_log() - * @var resource - * @access private - */ - var $realtime_log_file; - - /** - * Real-time log file size - * - * @see self::_append_log() - * @var int - * @access private - */ - var $realtime_log_size; - - /** - * Has the signature been validated? - * - * @see self::getServerPublicHostKey() - * @var bool - * @access private - */ - var $signature_validated = false; - - /** - * Real-time log file wrap boolean - * - * @see self::_append_log() - * @access private - */ - var $realtime_log_wrap; - - /** - * Flag to suppress stderr from output - * - * @see self::enableQuietMode() - * @access private - */ - var $quiet_mode = false; - - /** - * Time of first network activity - * - * @var int - * @access private - */ - var $last_packet; - - /** - * Exit status returned from ssh if any - * - * @var int - * @access private - */ - var $exit_status; - - /** - * Flag to request a PTY when using exec() - * - * @var bool - * @see self::enablePTY() - * @access private - */ - var $request_pty = false; - - /** - * Flag set while exec() is running when using enablePTY() - * - * @var bool - * @access private - */ - var $in_request_pty_exec = false; - - /** - * Flag set after startSubsystem() is called - * - * @var bool - * @access private - */ - var $in_subsystem; - - /** - * Contents of stdError - * - * @var string - * @access private - */ - var $stdErrorLog; - - /** - * The Last Interactive Response - * - * @see self::_keyboard_interactive_process() - * @var string - * @access private - */ - var $last_interactive_response = ''; - - /** - * Keyboard Interactive Request / Responses - * - * @see self::_keyboard_interactive_process() - * @var array - * @access private - */ - var $keyboard_requests_responses = array(); - - /** - * Banner Message - * - * Quoting from the RFC, "in some jurisdictions, sending a warning message before - * authentication may be relevant for getting legal protection." - * - * @see self::_filter() - * @see self::getBannerMessage() - * @var string - * @access private - */ - var $banner_message = ''; - - /** - * Did read() timeout or return normally? - * - * @see self::isTimeout() - * @var bool - * @access private - */ - var $is_timeout = false; - - /** - * Log Boundary - * - * @see self::_format_log() - * @var string - * @access private - */ - var $log_boundary = ':'; - - /** - * Log Long Width - * - * @see self::_format_log() - * @var int - * @access private - */ - var $log_long_width = 65; - - /** - * Log Short Width - * - * @see self::_format_log() - * @var int - * @access private - */ - var $log_short_width = 16; - - /** - * Hostname - * - * @see self::__construct() - * @see self::_connect() - * @var string - * @access private - */ - var $host; - - /** - * Port Number - * - * @see self::__construct() - * @see self::_connect() - * @var int - * @access private - */ - var $port; - - /** - * Number of columns for terminal window size - * - * @see self::getWindowColumns() - * @see self::setWindowColumns() - * @see self::setWindowSize() - * @var int - * @access private - */ - var $windowColumns = 80; - - /** - * Number of columns for terminal window size - * - * @see self::getWindowRows() - * @see self::setWindowRows() - * @see self::setWindowSize() - * @var int - * @access private - */ - var $windowRows = 24; - - /** - * Crypto Engine - * - * @see self::setCryptoEngine() - * @see self::_key_exchange() - * @var int - * @access private - */ - var $crypto_engine = false; - - /** - * A System_SSH_Agent for use in the SSH2 Agent Forwarding scenario - * - * @var System_SSH_Agent - * @access private - */ - var $agent; - - /** - * Send the identification string first? - * - * @var bool - * @access private - */ - var $send_id_string_first = true; - - /** - * Send the key exchange initiation packet first? - * - * @var bool - * @access private - */ - var $send_kex_first = true; - - /** - * Some versions of OpenSSH incorrectly calculate the key size - * - * @var bool - * @access private - */ - var $bad_key_size_fix = false; - - /** - * The selected decryption algorithm - * - * @var string - * @access private - */ - var $decrypt_algorithm = ''; - - /** - * Should we try to re-connect to re-establish keys? - * - * @var bool - * @access private - */ - var $retry_connect = false; - - /** - * Binary Packet Buffer - * - * @var string|false - * @access private - */ - var $binary_packet_buffer = false; - - /** - * Default Constructor. - * - * $host can either be a string, representing the host, or a stream resource. - * - * @param mixed $host - * @param int $port - * @param int $timeout - * @see self::login() - * @return \phpseclib\Net\SSH2 - * @access public - */ - function __construct($host, $port = 22, $timeout = 10) - { - $this->message_numbers = array( - 1 => 'NET_SSH2_MSG_DISCONNECT', - 2 => 'NET_SSH2_MSG_IGNORE', - 3 => 'NET_SSH2_MSG_UNIMPLEMENTED', - 4 => 'NET_SSH2_MSG_DEBUG', - 5 => 'NET_SSH2_MSG_SERVICE_REQUEST', - 6 => 'NET_SSH2_MSG_SERVICE_ACCEPT', - 20 => 'NET_SSH2_MSG_KEXINIT', - 21 => 'NET_SSH2_MSG_NEWKEYS', - 30 => 'NET_SSH2_MSG_KEXDH_INIT', - 31 => 'NET_SSH2_MSG_KEXDH_REPLY', - 50 => 'NET_SSH2_MSG_USERAUTH_REQUEST', - 51 => 'NET_SSH2_MSG_USERAUTH_FAILURE', - 52 => 'NET_SSH2_MSG_USERAUTH_SUCCESS', - 53 => 'NET_SSH2_MSG_USERAUTH_BANNER', - - 80 => 'NET_SSH2_MSG_GLOBAL_REQUEST', - 81 => 'NET_SSH2_MSG_REQUEST_SUCCESS', - 82 => 'NET_SSH2_MSG_REQUEST_FAILURE', - 90 => 'NET_SSH2_MSG_CHANNEL_OPEN', - 91 => 'NET_SSH2_MSG_CHANNEL_OPEN_CONFIRMATION', - 92 => 'NET_SSH2_MSG_CHANNEL_OPEN_FAILURE', - 93 => 'NET_SSH2_MSG_CHANNEL_WINDOW_ADJUST', - 94 => 'NET_SSH2_MSG_CHANNEL_DATA', - 95 => 'NET_SSH2_MSG_CHANNEL_EXTENDED_DATA', - 96 => 'NET_SSH2_MSG_CHANNEL_EOF', - 97 => 'NET_SSH2_MSG_CHANNEL_CLOSE', - 98 => 'NET_SSH2_MSG_CHANNEL_REQUEST', - 99 => 'NET_SSH2_MSG_CHANNEL_SUCCESS', - 100 => 'NET_SSH2_MSG_CHANNEL_FAILURE' - ); - $this->disconnect_reasons = array( - 1 => 'NET_SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT', - 2 => 'NET_SSH2_DISCONNECT_PROTOCOL_ERROR', - 3 => 'NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED', - 4 => 'NET_SSH2_DISCONNECT_RESERVED', - 5 => 'NET_SSH2_DISCONNECT_MAC_ERROR', - 6 => 'NET_SSH2_DISCONNECT_COMPRESSION_ERROR', - 7 => 'NET_SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE', - 8 => 'NET_SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED', - 9 => 'NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE', - 10 => 'NET_SSH2_DISCONNECT_CONNECTION_LOST', - 11 => 'NET_SSH2_DISCONNECT_BY_APPLICATION', - 12 => 'NET_SSH2_DISCONNECT_TOO_MANY_CONNECTIONS', - 13 => 'NET_SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER', - 14 => 'NET_SSH2_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE', - 15 => 'NET_SSH2_DISCONNECT_ILLEGAL_USER_NAME' - ); - $this->channel_open_failure_reasons = array( - 1 => 'NET_SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED' - ); - $this->terminal_modes = array( - 0 => 'NET_SSH2_TTY_OP_END' - ); - $this->channel_extended_data_type_codes = array( - 1 => 'NET_SSH2_EXTENDED_DATA_STDERR' - ); - - $this->_define_array( - $this->message_numbers, - $this->disconnect_reasons, - $this->channel_open_failure_reasons, - $this->terminal_modes, - $this->channel_extended_data_type_codes, - array(60 => 'NET_SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ'), - array(60 => 'NET_SSH2_MSG_USERAUTH_PK_OK'), - array(60 => 'NET_SSH2_MSG_USERAUTH_INFO_REQUEST', - 61 => 'NET_SSH2_MSG_USERAUTH_INFO_RESPONSE'), - // RFC 4419 - diffie-hellman-group-exchange-sha{1,256} - array(30 => 'NET_SSH2_MSG_KEXDH_GEX_REQUEST_OLD', - 31 => 'NET_SSH2_MSG_KEXDH_GEX_GROUP', - 32 => 'NET_SSH2_MSG_KEXDH_GEX_INIT', - 33 => 'NET_SSH2_MSG_KEXDH_GEX_REPLY', - 34 => 'NET_SSH2_MSG_KEXDH_GEX_REQUEST'), - // RFC 5656 - Elliptic Curves (for curve25519-sha256@libssh.org) - array(30 => 'NET_SSH2_MSG_KEX_ECDH_INIT', - 31 => 'NET_SSH2_MSG_KEX_ECDH_REPLY') - ); - - if (is_resource($host)) { - $this->fsock = $host; - return; - } - - if (is_string($host)) { - $this->host = $host; - $this->port = $port; - $this->timeout = $timeout; - } - } - - /** - * Set Crypto Engine Mode - * - * Possible $engine values: - * CRYPT_MODE_INTERNAL, CRYPT_MODE_MCRYPT - * - * @param int $engine - * @access public - */ - function setCryptoEngine($engine) - { - $this->crypto_engine = $engine; - } - - /** - * Send Identification String First - * - * https://tools.ietf.org/html/rfc4253#section-4.2 says "when the connection has been established, - * both sides MUST send an identification string". It does not say which side sends it first. In - * theory it shouldn't matter but it is a fact of life that some SSH servers are simply buggy - * - * @access public - */ - function sendIdentificationStringFirst() - { - $this->send_id_string_first = true; - } - - /** - * Send Identification String Last - * - * https://tools.ietf.org/html/rfc4253#section-4.2 says "when the connection has been established, - * both sides MUST send an identification string". It does not say which side sends it first. In - * theory it shouldn't matter but it is a fact of life that some SSH servers are simply buggy - * - * @access public - */ - function sendIdentificationStringLast() - { - $this->send_id_string_first = false; - } - - /** - * Send SSH_MSG_KEXINIT First - * - * https://tools.ietf.org/html/rfc4253#section-7.1 says "key exchange begins by each sending - * sending the [SSH_MSG_KEXINIT] packet". It does not say which side sends it first. In theory - * it shouldn't matter but it is a fact of life that some SSH servers are simply buggy - * - * @access public - */ - function sendKEXINITFirst() - { - $this->send_kex_first = true; - } - - /** - * Send SSH_MSG_KEXINIT Last - * - * https://tools.ietf.org/html/rfc4253#section-7.1 says "key exchange begins by each sending - * sending the [SSH_MSG_KEXINIT] packet". It does not say which side sends it first. In theory - * it shouldn't matter but it is a fact of life that some SSH servers are simply buggy - * - * @access public - */ - function sendKEXINITLast() - { - $this->send_kex_first = false; - } - - /** - * Connect to an SSHv2 server - * - * @return bool - * @access private - */ - function _connect() - { - if ($this->bitmap & self::MASK_CONSTRUCTOR) { - return false; - } - - $this->bitmap |= self::MASK_CONSTRUCTOR; - - $this->curTimeout = $this->timeout; - - $this->last_packet = microtime(true); - - if (!is_resource($this->fsock)) { - $start = microtime(true); - // with stream_select a timeout of 0 means that no timeout takes place; - // with fsockopen a timeout of 0 means that you instantly timeout - // to resolve this incompatibility a timeout of 100,000 will be used for fsockopen if timeout is 0 - $this->fsock = @fsockopen($this->host, $this->port, $errno, $errstr, $this->curTimeout == 0 ? 100000 : $this->curTimeout); - if (!$this->fsock) { - $host = $this->host . ':' . $this->port; - user_error(rtrim("Cannot connect to $host. Error $errno. $errstr")); - return false; - } - $elapsed = microtime(true) - $start; - - $this->curTimeout-= $elapsed; - - if ($this->curTimeout <= 0) { - $this->is_timeout = true; - return false; - } - } - - $this->identifier = $this->_generate_identifier(); - - if ($this->send_id_string_first) { - fputs($this->fsock, $this->identifier . "\r\n"); - } - - /* According to the SSH2 specs, - - "The server MAY send other lines of data before sending the version - string. Each line SHOULD be terminated by a Carriage Return and Line - Feed. Such lines MUST NOT begin with "SSH-", and SHOULD be encoded - in ISO-10646 UTF-8 [RFC3629] (language is not specified). Clients - MUST be able to process such lines." */ - $data = ''; - while (!feof($this->fsock) && !preg_match('#(.*)^(SSH-(\d\.\d+).*)#ms', $data, $matches)) { - $line = ''; - while (true) { - if ($this->curTimeout) { - if ($this->curTimeout < 0) { - $this->is_timeout = true; - return false; - } - $read = array($this->fsock); - $write = $except = null; - $start = microtime(true); - $sec = floor($this->curTimeout); - $usec = 1000000 * ($this->curTimeout - $sec); - // on windows this returns a "Warning: Invalid CRT parameters detected" error - // the !count() is done as a workaround for - if (!@stream_select($read, $write, $except, $sec, $usec) && !count($read)) { - $this->is_timeout = true; - return false; - } - $elapsed = microtime(true) - $start; - $this->curTimeout-= $elapsed; - } - - $temp = stream_get_line($this->fsock, 255, "\n"); - if (strlen($temp) == 255) { - continue; - } - - $line.= "$temp\n"; - - // quoting RFC4253, "Implementers who wish to maintain - // compatibility with older, undocumented versions of this protocol may - // want to process the identification string without expecting the - // presence of the carriage return character for reasons described in - // Section 5 of this document." - - //if (substr($line, -2) == "\r\n") { - // break; - //} - - break; - } - - $data.= $line; - } - - if (feof($this->fsock)) { - user_error('Connection closed by server'); - return false; - } - - $extra = $matches[1]; - - if (defined('NET_SSH2_LOGGING')) { - $this->_append_log('<-', $matches[0]); - $this->_append_log('->', $this->identifier . "\r\n"); - } - - $this->server_identifier = trim($temp, "\r\n"); - if (strlen($extra)) { - $this->errors[] = utf8_decode($data); - } - - if (version_compare($matches[3], '1.99', '<')) { - user_error("Cannot connect to SSH $matches[3] servers"); - return false; - } - - if (!$this->send_id_string_first) { - fputs($this->fsock, $this->identifier . "\r\n"); - } - - if (!$this->send_kex_first) { - $response = $this->_get_binary_packet(); - if ($response === false) { - user_error('Connection closed by server'); - return false; - } - - if (!strlen($response) || ord($response[0]) != NET_SSH2_MSG_KEXINIT) { - user_error('Expected SSH_MSG_KEXINIT'); - return false; - } - - if (!$this->_key_exchange($response)) { - return false; - } - } - - if ($this->send_kex_first && !$this->_key_exchange()) { - return false; - } - - $this->bitmap|= self::MASK_CONNECTED; - - return true; - } - - /** - * Generates the SSH identifier - * - * You should overwrite this method in your own class if you want to use another identifier - * - * @access protected - * @return string - */ - function _generate_identifier() - { - $identifier = 'SSH-2.0-phpseclib_2.0'; - - $ext = array(); - if (function_exists('\\Sodium\\library_version_major')) { - $ext[] = 'libsodium'; - } - - if (extension_loaded('openssl')) { - $ext[] = 'openssl'; - } elseif (extension_loaded('mcrypt')) { - $ext[] = 'mcrypt'; - } - - if (extension_loaded('gmp')) { - $ext[] = 'gmp'; - } elseif (extension_loaded('bcmath')) { - $ext[] = 'bcmath'; - } - - if (!empty($ext)) { - $identifier .= ' (' . implode(', ', $ext) . ')'; - } - - return $identifier; - } - - /** - * Key Exchange - * - * @param string $kexinit_payload_server optional - * @access private - */ - function _key_exchange($kexinit_payload_server = false) - { - $kex_algorithms = array( - // Elliptic Curve Diffie-Hellman Key Agreement (ECDH) using - // Curve25519. See doc/curve25519-sha256@libssh.org.txt in the - // libssh repository for more information. - 'curve25519-sha256@libssh.org', - - // Diffie-Hellman Key Agreement (DH) using integer modulo prime - // groups. - 'diffie-hellman-group1-sha1', // REQUIRED - 'diffie-hellman-group14-sha1', // REQUIRED - 'diffie-hellman-group-exchange-sha1', // RFC 4419 - 'diffie-hellman-group-exchange-sha256', // RFC 4419 - ); - if (!function_exists('\\Sodium\\library_version_major')) { - $kex_algorithms = array_diff( - $kex_algorithms, - array('curve25519-sha256@libssh.org') - ); - } - - $server_host_key_algorithms = array( - 'ssh-rsa', // RECOMMENDED sign Raw RSA Key - 'ssh-dss' // REQUIRED sign Raw DSS Key - ); - - $encryption_algorithms = array( - // from : - 'arcfour256', - 'arcfour128', - - //'arcfour', // OPTIONAL the ARCFOUR stream cipher with a 128-bit key - - // CTR modes from : - 'aes128-ctr', // RECOMMENDED AES (Rijndael) in SDCTR mode, with 128-bit key - 'aes192-ctr', // RECOMMENDED AES with 192-bit key - 'aes256-ctr', // RECOMMENDED AES with 256-bit key - - 'twofish128-ctr', // OPTIONAL Twofish in SDCTR mode, with 128-bit key - 'twofish192-ctr', // OPTIONAL Twofish with 192-bit key - 'twofish256-ctr', // OPTIONAL Twofish with 256-bit key - - 'aes128-cbc', // RECOMMENDED AES with a 128-bit key - 'aes192-cbc', // OPTIONAL AES with a 192-bit key - 'aes256-cbc', // OPTIONAL AES in CBC mode, with a 256-bit key - - 'twofish128-cbc', // OPTIONAL Twofish with a 128-bit key - 'twofish192-cbc', // OPTIONAL Twofish with a 192-bit key - 'twofish256-cbc', - 'twofish-cbc', // OPTIONAL alias for "twofish256-cbc" - // (this is being retained for historical reasons) - - 'blowfish-ctr', // OPTIONAL Blowfish in SDCTR mode - - 'blowfish-cbc', // OPTIONAL Blowfish in CBC mode - - '3des-ctr', // RECOMMENDED Three-key 3DES in SDCTR mode - - '3des-cbc', // REQUIRED three-key 3DES in CBC mode - //'none' // OPTIONAL no encryption; NOT RECOMMENDED - ); - - if (extension_loaded('openssl') && !extension_loaded('mcrypt')) { - // OpenSSL does not support arcfour256 in any capacity and arcfour128 / arcfour support is limited to - // instances that do not use continuous buffers - $encryption_algorithms = array_diff( - $encryption_algorithms, - array('arcfour256', 'arcfour128', 'arcfour') - ); - } - - if (class_exists('\phpseclib\Crypt\RC4') === false) { - $encryption_algorithms = array_diff( - $encryption_algorithms, - array('arcfour256', 'arcfour128', 'arcfour') - ); - } - if (class_exists('\phpseclib\Crypt\Rijndael') === false) { - $encryption_algorithms = array_diff( - $encryption_algorithms, - array('aes128-ctr', 'aes192-ctr', 'aes256-ctr', 'aes128-cbc', 'aes192-cbc', 'aes256-cbc') - ); - } - if (class_exists('\phpseclib\Crypt\Twofish') === false) { - $encryption_algorithms = array_diff( - $encryption_algorithms, - array('twofish128-ctr', 'twofish192-ctr', 'twofish256-ctr', 'twofish128-cbc', 'twofish192-cbc', 'twofish256-cbc', 'twofish-cbc') - ); - } - if (class_exists('\phpseclib\Crypt\Blowfish') === false) { - $encryption_algorithms = array_diff( - $encryption_algorithms, - array('blowfish-ctr', 'blowfish-cbc') - ); - } - if (class_exists('\phpseclib\Crypt\TripleDES') === false) { - $encryption_algorithms = array_diff( - $encryption_algorithms, - array('3des-ctr', '3des-cbc') - ); - } - $encryption_algorithms = array_values($encryption_algorithms); - - $mac_algorithms = array( - // from : - 'hmac-sha2-256',// RECOMMENDED HMAC-SHA256 (digest length = key length = 32) - - 'hmac-sha1-96', // RECOMMENDED first 96 bits of HMAC-SHA1 (digest length = 12, key length = 20) - 'hmac-sha1', // REQUIRED HMAC-SHA1 (digest length = key length = 20) - 'hmac-md5-96', // OPTIONAL first 96 bits of HMAC-MD5 (digest length = 12, key length = 16) - 'hmac-md5', // OPTIONAL HMAC-MD5 (digest length = key length = 16) - //'none' // OPTIONAL no MAC; NOT RECOMMENDED - ); - - $compression_algorithms = array( - 'none' // REQUIRED no compression - //'zlib' // OPTIONAL ZLIB (LZ77) compression - ); - - // some SSH servers have buggy implementations of some of the above algorithms - switch (true) { - case $this->server_identifier == 'SSH-2.0-SSHD': - case substr($this->server_identifier, 0, 13) == 'SSH-2.0-DLINK': - $mac_algorithms = array_values(array_diff( - $mac_algorithms, - array('hmac-sha1-96', 'hmac-md5-96') - )); - } - - $str_kex_algorithms = implode(',', $kex_algorithms); - $str_server_host_key_algorithms = implode(',', $server_host_key_algorithms); - $encryption_algorithms_server_to_client = $encryption_algorithms_client_to_server = implode(',', $encryption_algorithms); - $mac_algorithms_server_to_client = $mac_algorithms_client_to_server = implode(',', $mac_algorithms); - $compression_algorithms_server_to_client = $compression_algorithms_client_to_server = implode(',', $compression_algorithms); - - $client_cookie = Random::string(16); - - $kexinit_payload_client = pack( - 'Ca*Na*Na*Na*Na*Na*Na*Na*Na*Na*Na*CN', - NET_SSH2_MSG_KEXINIT, - $client_cookie, - strlen($str_kex_algorithms), - $str_kex_algorithms, - strlen($str_server_host_key_algorithms), - $str_server_host_key_algorithms, - strlen($encryption_algorithms_client_to_server), - $encryption_algorithms_client_to_server, - strlen($encryption_algorithms_server_to_client), - $encryption_algorithms_server_to_client, - strlen($mac_algorithms_client_to_server), - $mac_algorithms_client_to_server, - strlen($mac_algorithms_server_to_client), - $mac_algorithms_server_to_client, - strlen($compression_algorithms_client_to_server), - $compression_algorithms_client_to_server, - strlen($compression_algorithms_server_to_client), - $compression_algorithms_server_to_client, - 0, - '', - 0, - '', - 0, - 0 - ); - - if ($this->send_kex_first) { - if (!$this->_send_binary_packet($kexinit_payload_client)) { - return false; - } - - $kexinit_payload_server = $this->_get_binary_packet(); - if ($kexinit_payload_server === false) { - user_error('Connection closed by server'); - return false; - } - - if (!strlen($kexinit_payload_server) || ord($kexinit_payload_server[0]) != NET_SSH2_MSG_KEXINIT) { - user_error('Expected SSH_MSG_KEXINIT'); - return false; - } - } - - $response = $kexinit_payload_server; - $this->_string_shift($response, 1); // skip past the message number (it should be SSH_MSG_KEXINIT) - $server_cookie = $this->_string_shift($response, 16); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($response, 4)); - $this->kex_algorithms = explode(',', $this->_string_shift($response, $temp['length'])); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($response, 4)); - $this->server_host_key_algorithms = explode(',', $this->_string_shift($response, $temp['length'])); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($response, 4)); - $this->encryption_algorithms_client_to_server = explode(',', $this->_string_shift($response, $temp['length'])); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($response, 4)); - $this->encryption_algorithms_server_to_client = explode(',', $this->_string_shift($response, $temp['length'])); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($response, 4)); - $this->mac_algorithms_client_to_server = explode(',', $this->_string_shift($response, $temp['length'])); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($response, 4)); - $this->mac_algorithms_server_to_client = explode(',', $this->_string_shift($response, $temp['length'])); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($response, 4)); - $this->compression_algorithms_client_to_server = explode(',', $this->_string_shift($response, $temp['length'])); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($response, 4)); - $this->compression_algorithms_server_to_client = explode(',', $this->_string_shift($response, $temp['length'])); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($response, 4)); - $this->languages_client_to_server = explode(',', $this->_string_shift($response, $temp['length'])); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($response, 4)); - $this->languages_server_to_client = explode(',', $this->_string_shift($response, $temp['length'])); - - if (!strlen($response)) { - return false; - } - extract(unpack('Cfirst_kex_packet_follows', $this->_string_shift($response, 1))); - $first_kex_packet_follows = $first_kex_packet_follows != 0; - - if (!$this->send_kex_first && !$this->_send_binary_packet($kexinit_payload_client)) { - return false; - } - - // we need to decide upon the symmetric encryption algorithms before we do the diffie-hellman key exchange - // we don't initialize any crypto-objects, yet - we do that, later. for now, we need the lengths to make the - // diffie-hellman key exchange as fast as possible - $decrypt = $this->_array_intersect_first($encryption_algorithms, $this->encryption_algorithms_server_to_client); - $decryptKeyLength = $this->_encryption_algorithm_to_key_size($decrypt); - if ($decryptKeyLength === null) { - user_error('No compatible server to client encryption algorithms found'); - return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - } - - $encrypt = $this->_array_intersect_first($encryption_algorithms, $this->encryption_algorithms_client_to_server); - $encryptKeyLength = $this->_encryption_algorithm_to_key_size($encrypt); - if ($encryptKeyLength === null) { - user_error('No compatible client to server encryption algorithms found'); - return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - } - - // through diffie-hellman key exchange a symmetric key is obtained - $kex_algorithm = $this->_array_intersect_first($kex_algorithms, $this->kex_algorithms); - if ($kex_algorithm === false) { - user_error('No compatible key exchange algorithms found'); - return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - } - - // Only relevant in diffie-hellman-group-exchange-sha{1,256}, otherwise empty. - $exchange_hash_rfc4419 = ''; - - if ($kex_algorithm === 'curve25519-sha256@libssh.org') { - $x = Random::string(32); - $eBytes = \Sodium\crypto_box_publickey_from_secretkey($x); - $clientKexInitMessage = NET_SSH2_MSG_KEX_ECDH_INIT; - $serverKexReplyMessage = NET_SSH2_MSG_KEX_ECDH_REPLY; - $kexHash = new Hash('sha256'); - } else { - if (strpos($kex_algorithm, 'diffie-hellman-group-exchange') === 0) { - $dh_group_sizes_packed = pack( - 'NNN', - $this->kex_dh_group_size_min, - $this->kex_dh_group_size_preferred, - $this->kex_dh_group_size_max - ); - $packet = pack( - 'Ca*', - NET_SSH2_MSG_KEXDH_GEX_REQUEST, - $dh_group_sizes_packed - ); - if (!$this->_send_binary_packet($packet)) { - return false; - } - - $response = $this->_get_binary_packet(); - if ($response === false) { - user_error('Connection closed by server'); - return false; - } - extract(unpack('Ctype', $this->_string_shift($response, 1))); - if ($type != NET_SSH2_MSG_KEXDH_GEX_GROUP) { - user_error('Expected SSH_MSG_KEX_DH_GEX_GROUP'); - return false; - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('NprimeLength', $this->_string_shift($response, 4))); - $primeBytes = $this->_string_shift($response, $primeLength); - $prime = new BigInteger($primeBytes, -256); - - if (strlen($response) < 4) { - return false; - } - extract(unpack('NgLength', $this->_string_shift($response, 4))); - $gBytes = $this->_string_shift($response, $gLength); - $g = new BigInteger($gBytes, -256); - - $exchange_hash_rfc4419 = pack( - 'a*Na*Na*', - $dh_group_sizes_packed, - $primeLength, - $primeBytes, - $gLength, - $gBytes - ); - - $clientKexInitMessage = NET_SSH2_MSG_KEXDH_GEX_INIT; - $serverKexReplyMessage = NET_SSH2_MSG_KEXDH_GEX_REPLY; - } else { - switch ($kex_algorithm) { - // see http://tools.ietf.org/html/rfc2409#section-6.2 and - // http://tools.ietf.org/html/rfc2412, appendex E - case 'diffie-hellman-group1-sha1': - $prime = 'FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74' . - '020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F1437' . - '4FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' . - 'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF'; - break; - // see http://tools.ietf.org/html/rfc3526#section-3 - case 'diffie-hellman-group14-sha1': - $prime = 'FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74' . - '020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F1437' . - '4FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' . - 'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3DC2007CB8A163BF05' . - '98DA48361C55D39A69163FA8FD24CF5F83655D23DCA3AD961C62F356208552BB' . - '9ED529077096966D670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B' . - 'E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9DE2BCBF695581718' . - '3995497CEA956AE515D2261898FA051015728E5A8AACAA68FFFFFFFFFFFFFFFF'; - break; - } - // For both diffie-hellman-group1-sha1 and diffie-hellman-group14-sha1 - // the generator field element is 2 (decimal) and the hash function is sha1. - $g = new BigInteger(2); - $prime = new BigInteger($prime, 16); - $clientKexInitMessage = NET_SSH2_MSG_KEXDH_INIT; - $serverKexReplyMessage = NET_SSH2_MSG_KEXDH_REPLY; - } - - switch ($kex_algorithm) { - case 'diffie-hellman-group-exchange-sha256': - $kexHash = new Hash('sha256'); - break; - default: - $kexHash = new Hash('sha1'); - } - - /* To increase the speed of the key exchange, both client and server may - reduce the size of their private exponents. It should be at least - twice as long as the key material that is generated from the shared - secret. For more details, see the paper by van Oorschot and Wiener - [VAN-OORSCHOT]. - - -- http://tools.ietf.org/html/rfc4419#section-6.2 */ - $one = new BigInteger(1); - $keyLength = min($kexHash->getLength(), max($encryptKeyLength, $decryptKeyLength)); - $max = $one->bitwise_leftShift(16 * $keyLength); // 2 * 8 * $keyLength - $max = $max->subtract($one); - - $x = $one->random($one, $max); - $e = $g->modPow($x, $prime); - - $eBytes = $e->toBytes(true); - } - $data = pack('CNa*', $clientKexInitMessage, strlen($eBytes), $eBytes); - - if (!$this->_send_binary_packet($data)) { - user_error('Connection closed by server'); - return false; - } - - $response = $this->_get_binary_packet(); - if ($response === false) { - user_error('Connection closed by server'); - return false; - } - if (!strlen($response)) { - return false; - } - extract(unpack('Ctype', $this->_string_shift($response, 1))); - - if ($type != $serverKexReplyMessage) { - user_error('Expected SSH_MSG_KEXDH_REPLY'); - return false; - } - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($response, 4)); - $this->server_public_host_key = $server_public_host_key = $this->_string_shift($response, $temp['length']); - - if (strlen($server_public_host_key) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4)); - $public_key_format = $this->_string_shift($server_public_host_key, $temp['length']); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($response, 4)); - $fBytes = $this->_string_shift($response, $temp['length']); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($response, 4)); - $this->signature = $this->_string_shift($response, $temp['length']); - - if (strlen($this->signature) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($this->signature, 4)); - $this->signature_format = $this->_string_shift($this->signature, $temp['length']); - - if ($kex_algorithm === 'curve25519-sha256@libssh.org') { - if (strlen($fBytes) !== 32) { - user_error('Received curve25519 public key of invalid length.'); - return false; - } - $key = new BigInteger(\Sodium\crypto_scalarmult($x, $fBytes), 256); - \Sodium\memzero($x); - } else { - $f = new BigInteger($fBytes, -256); - $key = $f->modPow($x, $prime); - } - $keyBytes = $key->toBytes(true); - - $this->exchange_hash = pack( - 'Na*Na*Na*Na*Na*a*Na*Na*Na*', - strlen($this->identifier), - $this->identifier, - strlen($this->server_identifier), - $this->server_identifier, - strlen($kexinit_payload_client), - $kexinit_payload_client, - strlen($kexinit_payload_server), - $kexinit_payload_server, - strlen($this->server_public_host_key), - $this->server_public_host_key, - $exchange_hash_rfc4419, - strlen($eBytes), - $eBytes, - strlen($fBytes), - $fBytes, - strlen($keyBytes), - $keyBytes - ); - - $this->exchange_hash = $kexHash->hash($this->exchange_hash); - - if ($this->session_id === false) { - $this->session_id = $this->exchange_hash; - } - - $server_host_key_algorithm = $this->_array_intersect_first($server_host_key_algorithms, $this->server_host_key_algorithms); - if ($server_host_key_algorithm === false) { - user_error('No compatible server host key algorithms found'); - return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - } - - if ($public_key_format != $server_host_key_algorithm || $this->signature_format != $server_host_key_algorithm) { - user_error('Server Host Key Algorithm Mismatch'); - return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - } - - $packet = pack( - 'C', - NET_SSH2_MSG_NEWKEYS - ); - - if (!$this->_send_binary_packet($packet)) { - return false; - } - - $response = $this->_get_binary_packet(); - - if ($response === false) { - user_error('Connection closed by server'); - return false; - } - - if (!strlen($response)) { - return false; - } - extract(unpack('Ctype', $this->_string_shift($response, 1))); - - if ($type != NET_SSH2_MSG_NEWKEYS) { - user_error('Expected SSH_MSG_NEWKEYS'); - return false; - } - - $this->decrypt_algorithm = $decrypt; - - $keyBytes = pack('Na*', strlen($keyBytes), $keyBytes); - - $this->encrypt = $this->_encryption_algorithm_to_crypt_instance($encrypt); - if ($this->encrypt) { - if ($this->crypto_engine) { - $this->encrypt->setEngine($this->crypto_engine); - } - if ($this->encrypt->block_size) { - $this->encrypt_block_size = $this->encrypt->block_size; - } - $this->encrypt->enableContinuousBuffer(); - $this->encrypt->disablePadding(); - - $iv = $kexHash->hash($keyBytes . $this->exchange_hash . 'A' . $this->session_id); - while ($this->encrypt_block_size > strlen($iv)) { - $iv.= $kexHash->hash($keyBytes . $this->exchange_hash . $iv); - } - $this->encrypt->setIV(substr($iv, 0, $this->encrypt_block_size)); - - $key = $kexHash->hash($keyBytes . $this->exchange_hash . 'C' . $this->session_id); - while ($encryptKeyLength > strlen($key)) { - $key.= $kexHash->hash($keyBytes . $this->exchange_hash . $key); - } - $this->encrypt->setKey(substr($key, 0, $encryptKeyLength)); - } - - $this->decrypt = $this->_encryption_algorithm_to_crypt_instance($decrypt); - if ($this->decrypt) { - if ($this->crypto_engine) { - $this->decrypt->setEngine($this->crypto_engine); - } - if ($this->decrypt->block_size) { - $this->decrypt_block_size = $this->decrypt->block_size; - } - $this->decrypt->enableContinuousBuffer(); - $this->decrypt->disablePadding(); - - $iv = $kexHash->hash($keyBytes . $this->exchange_hash . 'B' . $this->session_id); - while ($this->decrypt_block_size > strlen($iv)) { - $iv.= $kexHash->hash($keyBytes . $this->exchange_hash . $iv); - } - $this->decrypt->setIV(substr($iv, 0, $this->decrypt_block_size)); - - $key = $kexHash->hash($keyBytes . $this->exchange_hash . 'D' . $this->session_id); - while ($decryptKeyLength > strlen($key)) { - $key.= $kexHash->hash($keyBytes . $this->exchange_hash . $key); - } - $this->decrypt->setKey(substr($key, 0, $decryptKeyLength)); - } - - /* The "arcfour128" algorithm is the RC4 cipher, as described in - [SCHNEIER], using a 128-bit key. The first 1536 bytes of keystream - generated by the cipher MUST be discarded, and the first byte of the - first encrypted packet MUST be encrypted using the 1537th byte of - keystream. - - -- http://tools.ietf.org/html/rfc4345#section-4 */ - if ($encrypt == 'arcfour128' || $encrypt == 'arcfour256') { - $this->encrypt->encrypt(str_repeat("\0", 1536)); - } - if ($decrypt == 'arcfour128' || $decrypt == 'arcfour256') { - $this->decrypt->decrypt(str_repeat("\0", 1536)); - } - - $mac_algorithm = $this->_array_intersect_first($mac_algorithms, $this->mac_algorithms_client_to_server); - if ($mac_algorithm === false) { - user_error('No compatible client to server message authentication algorithms found'); - return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - } - - $createKeyLength = 0; // ie. $mac_algorithm == 'none' - switch ($mac_algorithm) { - case 'hmac-sha2-256': - $this->hmac_create = new Hash('sha256'); - $createKeyLength = 32; - break; - case 'hmac-sha1': - $this->hmac_create = new Hash('sha1'); - $createKeyLength = 20; - break; - case 'hmac-sha1-96': - $this->hmac_create = new Hash('sha1-96'); - $createKeyLength = 20; - break; - case 'hmac-md5': - $this->hmac_create = new Hash('md5'); - $createKeyLength = 16; - break; - case 'hmac-md5-96': - $this->hmac_create = new Hash('md5-96'); - $createKeyLength = 16; - } - - $mac_algorithm = $this->_array_intersect_first($mac_algorithms, $this->mac_algorithms_server_to_client); - if ($mac_algorithm === false) { - user_error('No compatible server to client message authentication algorithms found'); - return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - } - - $checkKeyLength = 0; - $this->hmac_size = 0; - switch ($mac_algorithm) { - case 'hmac-sha2-256': - $this->hmac_check = new Hash('sha256'); - $checkKeyLength = 32; - $this->hmac_size = 32; - break; - case 'hmac-sha1': - $this->hmac_check = new Hash('sha1'); - $checkKeyLength = 20; - $this->hmac_size = 20; - break; - case 'hmac-sha1-96': - $this->hmac_check = new Hash('sha1-96'); - $checkKeyLength = 20; - $this->hmac_size = 12; - break; - case 'hmac-md5': - $this->hmac_check = new Hash('md5'); - $checkKeyLength = 16; - $this->hmac_size = 16; - break; - case 'hmac-md5-96': - $this->hmac_check = new Hash('md5-96'); - $checkKeyLength = 16; - $this->hmac_size = 12; - } - - $key = $kexHash->hash($keyBytes . $this->exchange_hash . 'E' . $this->session_id); - while ($createKeyLength > strlen($key)) { - $key.= $kexHash->hash($keyBytes . $this->exchange_hash . $key); - } - $this->hmac_create->setKey(substr($key, 0, $createKeyLength)); - - $key = $kexHash->hash($keyBytes . $this->exchange_hash . 'F' . $this->session_id); - while ($checkKeyLength > strlen($key)) { - $key.= $kexHash->hash($keyBytes . $this->exchange_hash . $key); - } - $this->hmac_check->setKey(substr($key, 0, $checkKeyLength)); - - $compression_algorithm = $this->_array_intersect_first($compression_algorithms, $this->compression_algorithms_server_to_client); - if ($compression_algorithm === false) { - user_error('No compatible server to client compression algorithms found'); - return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - } - $this->decompress = $compression_algorithm == 'zlib'; - - $compression_algorithm = $this->_array_intersect_first($compression_algorithms, $this->compression_algorithms_client_to_server); - if ($compression_algorithm === false) { - user_error('No compatible client to server compression algorithms found'); - return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - } - $this->compress = $compression_algorithm == 'zlib'; - - return true; - } - - /** - * Maps an encryption algorithm name to the number of key bytes. - * - * @param string $algorithm Name of the encryption algorithm - * @return int|null Number of bytes as an integer or null for unknown - * @access private - */ - function _encryption_algorithm_to_key_size($algorithm) - { - if ($this->bad_key_size_fix && $this->_bad_algorithm_candidate($algorithm)) { - return 16; - } - - switch ($algorithm) { - case 'none': - return 0; - case 'aes128-cbc': - case 'aes128-ctr': - case 'arcfour': - case 'arcfour128': - case 'blowfish-cbc': - case 'blowfish-ctr': - case 'twofish128-cbc': - case 'twofish128-ctr': - return 16; - case '3des-cbc': - case '3des-ctr': - case 'aes192-cbc': - case 'aes192-ctr': - case 'twofish192-cbc': - case 'twofish192-ctr': - return 24; - case 'aes256-cbc': - case 'aes256-ctr': - case 'arcfour256': - case 'twofish-cbc': - case 'twofish256-cbc': - case 'twofish256-ctr': - return 32; - } - return null; - } - - /** - * Maps an encryption algorithm name to an instance of a subclass of - * \phpseclib\Crypt\Base. - * - * @param string $algorithm Name of the encryption algorithm - * @return mixed Instance of \phpseclib\Crypt\Base or null for unknown - * @access private - */ - function _encryption_algorithm_to_crypt_instance($algorithm) - { - switch ($algorithm) { - case '3des-cbc': - return new TripleDES(); - case '3des-ctr': - return new TripleDES(Base::MODE_CTR); - case 'aes256-cbc': - case 'aes192-cbc': - case 'aes128-cbc': - return new Rijndael(); - case 'aes256-ctr': - case 'aes192-ctr': - case 'aes128-ctr': - return new Rijndael(Base::MODE_CTR); - case 'blowfish-cbc': - return new Blowfish(); - case 'blowfish-ctr': - return new Blowfish(Base::MODE_CTR); - case 'twofish128-cbc': - case 'twofish192-cbc': - case 'twofish256-cbc': - case 'twofish-cbc': - return new Twofish(); - case 'twofish128-ctr': - case 'twofish192-ctr': - case 'twofish256-ctr': - return new Twofish(Base::MODE_CTR); - case 'arcfour': - case 'arcfour128': - case 'arcfour256': - return new RC4(); - } - return null; - } - - /* - * Tests whether or not proposed algorithm has a potential for issues - * - * @link https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/ssh2-aesctr-openssh.html - * @link https://bugzilla.mindrot.org/show_bug.cgi?id=1291 - * @param string $algorithm Name of the encryption algorithm - * @return bool - * @access private - */ - function _bad_algorithm_candidate($algorithm) - { - switch ($algorithm) { - case 'arcfour256': - case 'aes192-ctr': - case 'aes256-ctr': - return true; - } - - return false; - } - - /** - * Login - * - * The $password parameter can be a plaintext password, a \phpseclib\Crypt\RSA object or an array - * - * @param string $username - * @param mixed $password - * @param mixed $... - * @return bool - * @see self::_login() - * @access public - */ - function login($username) - { - $args = func_get_args(); - return call_user_func_array(array(&$this, '_login'), $args); - } - - /** - * Login Helper - * - * @param string $username - * @param mixed $password - * @param mixed $... - * @return bool - * @see self::_login_helper() - * @access private - */ - function _login($username) - { - if (!($this->bitmap & self::MASK_CONSTRUCTOR)) { - if (!$this->_connect()) { - return false; - } - } - - $args = array_slice(func_get_args(), 1); - if (empty($args)) { - return $this->_login_helper($username); - } - - foreach ($args as $arg) { - if ($this->_login_helper($username, $arg)) { - return true; - } - } - return false; - } - - /** - * Login Helper - * - * @param string $username - * @param string $password - * @return bool - * @access private - * @internal It might be worthwhile, at some point, to protect against {@link http://tools.ietf.org/html/rfc4251#section-9.3.9 traffic analysis} - * by sending dummy SSH_MSG_IGNORE messages. - */ - function _login_helper($username, $password = null) - { - if (!($this->bitmap & self::MASK_CONNECTED)) { - return false; - } - - if (!($this->bitmap & self::MASK_LOGIN_REQ)) { - $packet = pack( - 'CNa*', - NET_SSH2_MSG_SERVICE_REQUEST, - strlen('ssh-userauth'), - 'ssh-userauth' - ); - - if (!$this->_send_binary_packet($packet)) { - return false; - } - - $response = $this->_get_binary_packet(); - if ($response === false) { - if ($this->retry_connect) { - $this->retry_connect = false; - if (!$this->_connect()) { - return false; - } - return $this->_login_helper($username, $password); - } - user_error('Connection closed by server'); - return false; - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Ctype', $this->_string_shift($response, 1))); - - if ($type != NET_SSH2_MSG_SERVICE_ACCEPT) { - user_error('Expected SSH_MSG_SERVICE_ACCEPT'); - return false; - } - $this->bitmap |= self::MASK_LOGIN_REQ; - } - - if (strlen($this->last_interactive_response)) { - return !is_string($password) && !is_array($password) ? false : $this->_keyboard_interactive_process($password); - } - - if ($password instanceof RSA) { - return $this->_privatekey_login($username, $password); - } elseif ($password instanceof Agent) { - return $this->_ssh_agent_login($username, $password); - } - - if (is_array($password)) { - if ($this->_keyboard_interactive_login($username, $password)) { - $this->bitmap |= self::MASK_LOGIN; - return true; - } - return false; - } - - if (!isset($password)) { - $packet = pack( - 'CNa*Na*Na*', - NET_SSH2_MSG_USERAUTH_REQUEST, - strlen($username), - $username, - strlen('ssh-connection'), - 'ssh-connection', - strlen('none'), - 'none' - ); - - if (!$this->_send_binary_packet($packet)) { - return false; - } - - $response = $this->_get_binary_packet(); - if ($response === false) { - user_error('Connection closed by server'); - return false; - } - - if (!strlen($response)) { - return false; - } - extract(unpack('Ctype', $this->_string_shift($response, 1))); - - switch ($type) { - case NET_SSH2_MSG_USERAUTH_SUCCESS: - $this->bitmap |= self::MASK_LOGIN; - return true; - //case NET_SSH2_MSG_USERAUTH_FAILURE: - default: - return false; - } - } - - $packet = pack( - 'CNa*Na*Na*CNa*', - NET_SSH2_MSG_USERAUTH_REQUEST, - strlen($username), - $username, - strlen('ssh-connection'), - 'ssh-connection', - strlen('password'), - 'password', - 0, - strlen($password), - $password - ); - - // remove the username and password from the logged packet - if (!defined('NET_SSH2_LOGGING')) { - $logged = null; - } else { - $logged = pack( - 'CNa*Na*Na*CNa*', - NET_SSH2_MSG_USERAUTH_REQUEST, - strlen('username'), - 'username', - strlen('ssh-connection'), - 'ssh-connection', - strlen('password'), - 'password', - 0, - strlen('password'), - 'password' - ); - } - - if (!$this->_send_binary_packet($packet, $logged)) { - return false; - } - - $response = $this->_get_binary_packet(); - if ($response === false) { - user_error('Connection closed by server'); - return false; - } - - if (!strlen($response)) { - return false; - } - extract(unpack('Ctype', $this->_string_shift($response, 1))); - - switch ($type) { - case NET_SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ: // in theory, the password can be changed - if (defined('NET_SSH2_LOGGING')) { - $this->message_number_log[count($this->message_number_log) - 1] = 'NET_SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ'; - } - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($response, 4))); - $this->errors[] = 'SSH_MSG_USERAUTH_PASSWD_CHANGEREQ: ' . utf8_decode($this->_string_shift($response, $length)); - return $this->_disconnect(NET_SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER); - case NET_SSH2_MSG_USERAUTH_FAILURE: - // can we use keyboard-interactive authentication? if not then either the login is bad or the server employees - // multi-factor authentication - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($response, 4))); - $auth_methods = explode(',', $this->_string_shift($response, $length)); - if (!strlen($response)) { - return false; - } - extract(unpack('Cpartial_success', $this->_string_shift($response, 1))); - $partial_success = $partial_success != 0; - - if (!$partial_success && in_array('keyboard-interactive', $auth_methods)) { - if ($this->_keyboard_interactive_login($username, $password)) { - $this->bitmap |= self::MASK_LOGIN; - return true; - } - return false; - } - return false; - case NET_SSH2_MSG_USERAUTH_SUCCESS: - $this->bitmap |= self::MASK_LOGIN; - return true; - } - - return false; - } - - /** - * Login via keyboard-interactive authentication - * - * See {@link http://tools.ietf.org/html/rfc4256 RFC4256} for details. This is not a full-featured keyboard-interactive authenticator. - * - * @param string $username - * @param string $password - * @return bool - * @access private - */ - function _keyboard_interactive_login($username, $password) - { - $packet = pack( - 'CNa*Na*Na*Na*Na*', - NET_SSH2_MSG_USERAUTH_REQUEST, - strlen($username), - $username, - strlen('ssh-connection'), - 'ssh-connection', - strlen('keyboard-interactive'), - 'keyboard-interactive', - 0, - '', - 0, - '' - ); - - if (!$this->_send_binary_packet($packet)) { - return false; - } - - return $this->_keyboard_interactive_process($password); - } - - /** - * Handle the keyboard-interactive requests / responses. - * - * @param string $responses... - * @return bool - * @access private - */ - function _keyboard_interactive_process() - { - $responses = func_get_args(); - - if (strlen($this->last_interactive_response)) { - $response = $this->last_interactive_response; - } else { - $orig = $response = $this->_get_binary_packet(); - if ($response === false) { - user_error('Connection closed by server'); - return false; - } - } - - if (!strlen($response)) { - return false; - } - extract(unpack('Ctype', $this->_string_shift($response, 1))); - - switch ($type) { - case NET_SSH2_MSG_USERAUTH_INFO_REQUEST: - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($response, 4))); - $this->_string_shift($response, $length); // name; may be empty - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($response, 4))); - $this->_string_shift($response, $length); // instruction; may be empty - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($response, 4))); - $this->_string_shift($response, $length); // language tag; may be empty - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nnum_prompts', $this->_string_shift($response, 4))); - - for ($i = 0; $i < count($responses); $i++) { - if (is_array($responses[$i])) { - foreach ($responses[$i] as $key => $value) { - $this->keyboard_requests_responses[$key] = $value; - } - unset($responses[$i]); - } - } - $responses = array_values($responses); - - if (isset($this->keyboard_requests_responses)) { - for ($i = 0; $i < $num_prompts; $i++) { - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($response, 4))); - // prompt - ie. "Password: "; must not be empty - $prompt = $this->_string_shift($response, $length); - //$echo = $this->_string_shift($response) != chr(0); - foreach ($this->keyboard_requests_responses as $key => $value) { - if (substr($prompt, 0, strlen($key)) == $key) { - $responses[] = $value; - break; - } - } - } - } - - // see http://tools.ietf.org/html/rfc4256#section-3.2 - if (strlen($this->last_interactive_response)) { - $this->last_interactive_response = ''; - } elseif (defined('NET_SSH2_LOGGING')) { - $this->message_number_log[count($this->message_number_log) - 1] = str_replace( - 'UNKNOWN', - 'NET_SSH2_MSG_USERAUTH_INFO_REQUEST', - $this->message_number_log[count($this->message_number_log) - 1] - ); - } - - if (!count($responses) && $num_prompts) { - $this->last_interactive_response = $orig; - return false; - } - - /* - After obtaining the requested information from the user, the client - MUST respond with an SSH_MSG_USERAUTH_INFO_RESPONSE message. - */ - // see http://tools.ietf.org/html/rfc4256#section-3.4 - $packet = $logged = pack('CN', NET_SSH2_MSG_USERAUTH_INFO_RESPONSE, count($responses)); - for ($i = 0; $i < count($responses); $i++) { - $packet.= pack('Na*', strlen($responses[$i]), $responses[$i]); - $logged.= pack('Na*', strlen('dummy-answer'), 'dummy-answer'); - } - - if (!$this->_send_binary_packet($packet, $logged)) { - return false; - } - - if (defined('NET_SSH2_LOGGING') && NET_SSH2_LOGGING == self::LOG_COMPLEX) { - $this->message_number_log[count($this->message_number_log) - 1] = str_replace( - 'UNKNOWN', - 'NET_SSH2_MSG_USERAUTH_INFO_RESPONSE', - $this->message_number_log[count($this->message_number_log) - 1] - ); - } - - /* - After receiving the response, the server MUST send either an - SSH_MSG_USERAUTH_SUCCESS, SSH_MSG_USERAUTH_FAILURE, or another - SSH_MSG_USERAUTH_INFO_REQUEST message. - */ - // maybe phpseclib should force close the connection after x request / responses? unless something like that is done - // there could be an infinite loop of request / responses. - return $this->_keyboard_interactive_process(); - case NET_SSH2_MSG_USERAUTH_SUCCESS: - return true; - case NET_SSH2_MSG_USERAUTH_FAILURE: - return false; - } - - return false; - } - - /** - * Login with an ssh-agent provided key - * - * @param string $username - * @param \phpseclib\System\SSH\Agent $agent - * @return bool - * @access private - */ - function _ssh_agent_login($username, $agent) - { - $this->agent = $agent; - $keys = $agent->requestIdentities(); - foreach ($keys as $key) { - if ($this->_privatekey_login($username, $key)) { - return true; - } - } - - return false; - } - - /** - * Login with an RSA private key - * - * @param string $username - * @param \phpseclib\Crypt\RSA $password - * @return bool - * @access private - * @internal It might be worthwhile, at some point, to protect against {@link http://tools.ietf.org/html/rfc4251#section-9.3.9 traffic analysis} - * by sending dummy SSH_MSG_IGNORE messages. - */ - function _privatekey_login($username, $privatekey) - { - // see http://tools.ietf.org/html/rfc4253#page-15 - $publickey = $privatekey->getPublicKey(RSA::PUBLIC_FORMAT_RAW); - if ($publickey === false) { - return false; - } - - $publickey = array( - 'e' => $publickey['e']->toBytes(true), - 'n' => $publickey['n']->toBytes(true) - ); - $publickey = pack( - 'Na*Na*Na*', - strlen('ssh-rsa'), - 'ssh-rsa', - strlen($publickey['e']), - $publickey['e'], - strlen($publickey['n']), - $publickey['n'] - ); - - $part1 = pack( - 'CNa*Na*Na*', - NET_SSH2_MSG_USERAUTH_REQUEST, - strlen($username), - $username, - strlen('ssh-connection'), - 'ssh-connection', - strlen('publickey'), - 'publickey' - ); - $part2 = pack('Na*Na*', strlen('ssh-rsa'), 'ssh-rsa', strlen($publickey), $publickey); - - $packet = $part1 . chr(0) . $part2; - if (!$this->_send_binary_packet($packet)) { - return false; - } - - $response = $this->_get_binary_packet(); - if ($response === false) { - user_error('Connection closed by server'); - return false; - } - - if (!strlen($response)) { - return false; - } - extract(unpack('Ctype', $this->_string_shift($response, 1))); - - switch ($type) { - case NET_SSH2_MSG_USERAUTH_FAILURE: - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($response, 4))); - $this->errors[] = 'SSH_MSG_USERAUTH_FAILURE: ' . $this->_string_shift($response, $length); - return false; - case NET_SSH2_MSG_USERAUTH_PK_OK: - // we'll just take it on faith that the public key blob and the public key algorithm name are as - // they should be - if (defined('NET_SSH2_LOGGING') && NET_SSH2_LOGGING == self::LOG_COMPLEX) { - $this->message_number_log[count($this->message_number_log) - 1] = str_replace( - 'UNKNOWN', - 'NET_SSH2_MSG_USERAUTH_PK_OK', - $this->message_number_log[count($this->message_number_log) - 1] - ); - } - } - - $packet = $part1 . chr(1) . $part2; - $privatekey->setSignatureMode(RSA::SIGNATURE_PKCS1); - $signature = $privatekey->sign(pack('Na*a*', strlen($this->session_id), $this->session_id, $packet)); - $signature = pack('Na*Na*', strlen('ssh-rsa'), 'ssh-rsa', strlen($signature), $signature); - $packet.= pack('Na*', strlen($signature), $signature); - - if (!$this->_send_binary_packet($packet)) { - return false; - } - - $response = $this->_get_binary_packet(); - if ($response === false) { - user_error('Connection closed by server'); - return false; - } - - if (!strlen($response)) { - return false; - } - extract(unpack('Ctype', $this->_string_shift($response, 1))); - - switch ($type) { - case NET_SSH2_MSG_USERAUTH_FAILURE: - // either the login is bad or the server employs multi-factor authentication - return false; - case NET_SSH2_MSG_USERAUTH_SUCCESS: - $this->bitmap |= self::MASK_LOGIN; - return true; - } - - return false; - } - - /** - * Set Timeout - * - * $ssh->exec('ping 127.0.0.1'); on a Linux host will never return and will run indefinitely. setTimeout() makes it so it'll timeout. - * Setting $timeout to false or 0 will mean there is no timeout. - * - * @param mixed $timeout - * @access public - */ - function setTimeout($timeout) - { - $this->timeout = $this->curTimeout = $timeout; - } - - /** - * Get the output from stdError - * - * @access public - */ - function getStdError() - { - return $this->stdErrorLog; - } - - /** - * Execute Command - * - * If $callback is set to false then \phpseclib\Net\SSH2::_get_channel_packet(self::CHANNEL_EXEC) will need to be called manually. - * In all likelihood, this is not a feature you want to be taking advantage of. - * - * @param string $command - * @param Callback $callback - * @return string - * @access public - */ - function exec($command, $callback = null) - { - $this->curTimeout = $this->timeout; - $this->is_timeout = false; - $this->stdErrorLog = ''; - - if (!$this->isAuthenticated()) { - return false; - } - - if ($this->in_request_pty_exec) { - user_error('If you want to run multiple exec()\'s you will need to disable (and re-enable if appropriate) a PTY for each one.'); - return false; - } - - // RFC4254 defines the (client) window size as "bytes the other party can send before it must wait for the window to - // be adjusted". 0x7FFFFFFF is, at 2GB, the max size. technically, it should probably be decremented, but, - // honestly, if you're transferring more than 2GB, you probably shouldn't be using phpseclib, anyway. - // see http://tools.ietf.org/html/rfc4254#section-5.2 for more info - $this->window_size_server_to_client[self::CHANNEL_EXEC] = $this->window_size; - // 0x8000 is the maximum max packet size, per http://tools.ietf.org/html/rfc4253#section-6.1, although since PuTTy - // uses 0x4000, that's what will be used here, as well. - $packet_size = 0x4000; - - $packet = pack( - 'CNa*N3', - NET_SSH2_MSG_CHANNEL_OPEN, - strlen('session'), - 'session', - self::CHANNEL_EXEC, - $this->window_size_server_to_client[self::CHANNEL_EXEC], - $packet_size - ); - - if (!$this->_send_binary_packet($packet)) { - return false; - } - - $this->channel_status[self::CHANNEL_EXEC] = NET_SSH2_MSG_CHANNEL_OPEN; - - $response = $this->_get_channel_packet(self::CHANNEL_EXEC); - if ($response === false) { - return false; - } - - if ($this->request_pty === true) { - $terminal_modes = pack('C', NET_SSH2_TTY_OP_END); - $packet = pack( - 'CNNa*CNa*N5a*', - NET_SSH2_MSG_CHANNEL_REQUEST, - $this->server_channels[self::CHANNEL_EXEC], - strlen('pty-req'), - 'pty-req', - 1, - strlen('vt100'), - 'vt100', - $this->windowColumns, - $this->windowRows, - 0, - 0, - strlen($terminal_modes), - $terminal_modes - ); - - if (!$this->_send_binary_packet($packet)) { - return false; - } - - $response = $this->_get_binary_packet(); - if ($response === false) { - user_error('Connection closed by server'); - return false; - } - - if (!strlen($response)) { - return false; - } - list(, $type) = unpack('C', $this->_string_shift($response, 1)); - - switch ($type) { - case NET_SSH2_MSG_CHANNEL_SUCCESS: - break; - case NET_SSH2_MSG_CHANNEL_FAILURE: - default: - user_error('Unable to request pseudo-terminal'); - return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION); - } - $this->in_request_pty_exec = true; - } - - // sending a pty-req SSH_MSG_CHANNEL_REQUEST message is unnecessary and, in fact, in most cases, slows things - // down. the one place where it might be desirable is if you're doing something like \phpseclib\Net\SSH2::exec('ping localhost &'). - // with a pty-req SSH_MSG_CHANNEL_REQUEST, exec() will return immediately and the ping process will then - // then immediately terminate. without such a request exec() will loop indefinitely. the ping process won't end but - // neither will your script. - - // although, in theory, the size of SSH_MSG_CHANNEL_REQUEST could exceed the maximum packet size established by - // SSH_MSG_CHANNEL_OPEN_CONFIRMATION, RFC4254#section-5.1 states that the "maximum packet size" refers to the - // "maximum size of an individual data packet". ie. SSH_MSG_CHANNEL_DATA. RFC4254#section-5.2 corroborates. - $packet = pack( - 'CNNa*CNa*', - NET_SSH2_MSG_CHANNEL_REQUEST, - $this->server_channels[self::CHANNEL_EXEC], - strlen('exec'), - 'exec', - 1, - strlen($command), - $command - ); - if (!$this->_send_binary_packet($packet)) { - return false; - } - - $this->channel_status[self::CHANNEL_EXEC] = NET_SSH2_MSG_CHANNEL_REQUEST; - - $response = $this->_get_channel_packet(self::CHANNEL_EXEC); - if ($response === false) { - return false; - } - - $this->channel_status[self::CHANNEL_EXEC] = NET_SSH2_MSG_CHANNEL_DATA; - - if ($callback === false || $this->in_request_pty_exec) { - return true; - } - - $output = ''; - while (true) { - $temp = $this->_get_channel_packet(self::CHANNEL_EXEC); - switch (true) { - case $temp === true: - return is_callable($callback) ? true : $output; - case $temp === false: - return false; - default: - if (is_callable($callback)) { - if (call_user_func($callback, $temp) === true) { - $this->_close_channel(self::CHANNEL_EXEC); - return true; - } - } else { - $output.= $temp; - } - } - } - } - - /** - * Creates an interactive shell - * - * @see self::read() - * @see self::write() - * @return bool - * @access private - */ - function _initShell() - { - if ($this->in_request_pty_exec === true) { - return true; - } - - $this->window_size_server_to_client[self::CHANNEL_SHELL] = $this->window_size; - $packet_size = 0x4000; - - $packet = pack( - 'CNa*N3', - NET_SSH2_MSG_CHANNEL_OPEN, - strlen('session'), - 'session', - self::CHANNEL_SHELL, - $this->window_size_server_to_client[self::CHANNEL_SHELL], - $packet_size - ); - - if (!$this->_send_binary_packet($packet)) { - return false; - } - - $this->channel_status[self::CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_OPEN; - - $response = $this->_get_channel_packet(self::CHANNEL_SHELL); - if ($response === false) { - return false; - } - - $terminal_modes = pack('C', NET_SSH2_TTY_OP_END); - $packet = pack( - 'CNNa*CNa*N5a*', - NET_SSH2_MSG_CHANNEL_REQUEST, - $this->server_channels[self::CHANNEL_SHELL], - strlen('pty-req'), - 'pty-req', - 1, - strlen('vt100'), - 'vt100', - $this->windowColumns, - $this->windowRows, - 0, - 0, - strlen($terminal_modes), - $terminal_modes - ); - - if (!$this->_send_binary_packet($packet)) { - return false; - } - - $response = $this->_get_binary_packet(); - if ($response === false) { - user_error('Connection closed by server'); - return false; - } - - if (!strlen($response)) { - return false; - } - list(, $type) = unpack('C', $this->_string_shift($response, 1)); - - switch ($type) { - case NET_SSH2_MSG_CHANNEL_SUCCESS: - // if a pty can't be opened maybe commands can still be executed - case NET_SSH2_MSG_CHANNEL_FAILURE: - break; - default: - user_error('Unable to request pseudo-terminal'); - return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION); - } - - $packet = pack( - 'CNNa*C', - NET_SSH2_MSG_CHANNEL_REQUEST, - $this->server_channels[self::CHANNEL_SHELL], - strlen('shell'), - 'shell', - 1 - ); - if (!$this->_send_binary_packet($packet)) { - return false; - } - - $this->channel_status[self::CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_REQUEST; - - $response = $this->_get_channel_packet(self::CHANNEL_SHELL); - if ($response === false) { - return false; - } - - $this->channel_status[self::CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_DATA; - - $this->bitmap |= self::MASK_SHELL; - - return true; - } - - /** - * Return the channel to be used with read() / write() - * - * @see self::read() - * @see self::write() - * @return int - * @access public - */ - function _get_interactive_channel() - { - switch (true) { - case $this->in_subsystem: - return self::CHANNEL_SUBSYSTEM; - case $this->in_request_pty_exec: - return self::CHANNEL_EXEC; - default: - return self::CHANNEL_SHELL; - } - } - - /** - * Return an available open channel - * - * @return int - * @access public - */ - function _get_open_channel() - { - $channel = self::CHANNEL_EXEC; - do { - if (isset($this->channel_status[$channel]) && $this->channel_status[$channel] == NET_SSH2_MSG_CHANNEL_OPEN) { - return $channel; - } - } while ($channel++ < self::CHANNEL_SUBSYSTEM); - - return false; - } - - /** - * Returns the output of an interactive shell - * - * Returns when there's a match for $expect, which can take the form of a string literal or, - * if $mode == self::READ_REGEX, a regular expression. - * - * @see self::write() - * @param string $expect - * @param int $mode - * @return string - * @access public - */ - function read($expect = '', $mode = self::READ_SIMPLE) - { - $this->curTimeout = $this->timeout; - $this->is_timeout = false; - - if (!$this->isAuthenticated()) { - user_error('Operation disallowed prior to login()'); - return false; - } - - if (!($this->bitmap & self::MASK_SHELL) && !$this->_initShell()) { - user_error('Unable to initiate an interactive shell session'); - return false; - } - - $channel = $this->_get_interactive_channel(); - - if ($mode == self::READ_NEXT) { - return $this->_get_channel_packet($channel); - } - - $match = $expect; - while (true) { - if ($mode == self::READ_REGEX) { - preg_match($expect, substr($this->interactiveBuffer, -1024), $matches); - $match = isset($matches[0]) ? $matches[0] : ''; - } - $pos = strlen($match) ? strpos($this->interactiveBuffer, $match) : false; - if ($pos !== false) { - return $this->_string_shift($this->interactiveBuffer, $pos + strlen($match)); - } - $response = $this->_get_channel_packet($channel); - if (is_bool($response)) { - $this->in_request_pty_exec = false; - return $response ? $this->_string_shift($this->interactiveBuffer, strlen($this->interactiveBuffer)) : false; - } - - $this->interactiveBuffer.= $response; - } - } - - /** - * Inputs a command into an interactive shell. - * - * @see self::read() - * @param string $cmd - * @return bool - * @access public - */ - function write($cmd) - { - if (!$this->isAuthenticated()) { - user_error('Operation disallowed prior to login()'); - return false; - } - - if (!($this->bitmap & self::MASK_SHELL) && !$this->_initShell()) { - user_error('Unable to initiate an interactive shell session'); - return false; - } - - return $this->_send_channel_packet($this->_get_interactive_channel(), $cmd); - } - - /** - * Start a subsystem. - * - * Right now only one subsystem at a time is supported. To support multiple subsystem's stopSubsystem() could accept - * a string that contained the name of the subsystem, but at that point, only one subsystem of each type could be opened. - * To support multiple subsystem's of the same name maybe it'd be best if startSubsystem() generated a new channel id and - * returns that and then that that was passed into stopSubsystem() but that'll be saved for a future date and implemented - * if there's sufficient demand for such a feature. - * - * @see self::stopSubsystem() - * @param string $subsystem - * @return bool - * @access public - */ - function startSubsystem($subsystem) - { - $this->window_size_server_to_client[self::CHANNEL_SUBSYSTEM] = $this->window_size; - - $packet = pack( - 'CNa*N3', - NET_SSH2_MSG_CHANNEL_OPEN, - strlen('session'), - 'session', - self::CHANNEL_SUBSYSTEM, - $this->window_size, - 0x4000 - ); - - if (!$this->_send_binary_packet($packet)) { - return false; - } - - $this->channel_status[self::CHANNEL_SUBSYSTEM] = NET_SSH2_MSG_CHANNEL_OPEN; - - $response = $this->_get_channel_packet(self::CHANNEL_SUBSYSTEM); - if ($response === false) { - return false; - } - - $packet = pack( - 'CNNa*CNa*', - NET_SSH2_MSG_CHANNEL_REQUEST, - $this->server_channels[self::CHANNEL_SUBSYSTEM], - strlen('subsystem'), - 'subsystem', - 1, - strlen($subsystem), - $subsystem - ); - if (!$this->_send_binary_packet($packet)) { - return false; - } - - $this->channel_status[self::CHANNEL_SUBSYSTEM] = NET_SSH2_MSG_CHANNEL_REQUEST; - - $response = $this->_get_channel_packet(self::CHANNEL_SUBSYSTEM); - - if ($response === false) { - return false; - } - - $this->channel_status[self::CHANNEL_SUBSYSTEM] = NET_SSH2_MSG_CHANNEL_DATA; - - $this->bitmap |= self::MASK_SHELL; - $this->in_subsystem = true; - - return true; - } - - /** - * Stops a subsystem. - * - * @see self::startSubsystem() - * @return bool - * @access public - */ - function stopSubsystem() - { - $this->in_subsystem = false; - $this->_close_channel(self::CHANNEL_SUBSYSTEM); - return true; - } - - /** - * Closes a channel - * - * If read() timed out you might want to just close the channel and have it auto-restart on the next read() call - * - * @access public - */ - function reset() - { - $this->_close_channel($this->_get_interactive_channel()); - } - - /** - * Is timeout? - * - * Did exec() or read() return because they timed out or because they encountered the end? - * - * @access public - */ - function isTimeout() - { - return $this->is_timeout; - } - - /** - * Disconnect - * - * @access public - */ - function disconnect() - { - $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION); - if (isset($this->realtime_log_file) && is_resource($this->realtime_log_file)) { - fclose($this->realtime_log_file); - } - } - - /** - * Destructor. - * - * Will be called, automatically, if you're supporting just PHP5. If you're supporting PHP4, you'll need to call - * disconnect(). - * - * @access public - */ - function __destruct() - { - $this->disconnect(); - } - - /** - * Is the connection still active? - * - * @return bool - * @access public - */ - function isConnected() - { - return (bool) ($this->bitmap & self::MASK_CONNECTED); - } - - /** - * Have you successfully been logged in? - * - * @return bool - * @access public - */ - function isAuthenticated() - { - return (bool) ($this->bitmap & self::MASK_LOGIN); - } - - /** - * Resets a connection for re-use - * - * @param int $reason - * @access private - */ - function _reset_connection($reason) - { - $this->_disconnect($reason); - $this->decrypt = $this->encrypt = false; - $this->decrypt_block_size = $this->encrypt_block_size = 8; - $this->hmac_check = $this->hmac_create = false; - $this->hmac_size = false; - $this->session_id = false; - $this->retry_connect = true; - $this->get_seq_no = $this->send_seq_no = 0; - } - - /** - * Gets Binary Packets - * - * See '6. Binary Packet Protocol' of rfc4253 for more info. - * - * @see self::_send_binary_packet() - * @return string - * @access private - */ - function _get_binary_packet($skip_channel_filter = false) - { - if (!is_resource($this->fsock) || feof($this->fsock)) { - user_error('Connection closed prematurely'); - $this->bitmap = 0; - return false; - } - - $start = microtime(true); - $raw = stream_get_contents($this->fsock, $this->decrypt_block_size); - - if (!strlen($raw)) { - return ''; - } - - if ($this->decrypt !== false) { - $raw = $this->decrypt->decrypt($raw); - } - if ($raw === false) { - user_error('Unable to decrypt content'); - return false; - } - - if (strlen($raw) < 5) { - return false; - } - extract(unpack('Npacket_length/Cpadding_length', $this->_string_shift($raw, 5))); - - $remaining_length = $packet_length + 4 - $this->decrypt_block_size; - - // quoting , - // "implementations SHOULD check that the packet length is reasonable" - // PuTTY uses 0x9000 as the actual max packet size and so to shall we - if ($remaining_length < -$this->decrypt_block_size || $remaining_length > 0x9000 || $remaining_length % $this->decrypt_block_size != 0) { - if (!$this->bad_key_size_fix && $this->_bad_algorithm_candidate($this->decrypt_algorithm) && !($this->bitmap & SSH2::MASK_LOGIN)) { - $this->bad_key_size_fix = true; - $this->_reset_connection(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - return false; - } - user_error('Invalid size'); - return false; - } - - $buffer = ''; - while ($remaining_length > 0) { - $temp = stream_get_contents($this->fsock, $remaining_length); - if ($temp === false || feof($this->fsock)) { - user_error('Error reading from socket'); - $this->bitmap = 0; - return false; - } - $buffer.= $temp; - $remaining_length-= strlen($temp); - } - - $stop = microtime(true); - if (strlen($buffer)) { - $raw.= $this->decrypt !== false ? $this->decrypt->decrypt($buffer) : $buffer; - } - - $payload = $this->_string_shift($raw, $packet_length - $padding_length - 1); - $padding = $this->_string_shift($raw, $padding_length); // should leave $raw empty - - if ($this->hmac_check !== false) { - $hmac = stream_get_contents($this->fsock, $this->hmac_size); - if ($hmac === false || strlen($hmac) != $this->hmac_size) { - user_error('Error reading socket'); - $this->bitmap = 0; - return false; - } elseif ($hmac != $this->hmac_check->hash(pack('NNCa*', $this->get_seq_no, $packet_length, $padding_length, $payload . $padding))) { - user_error('Invalid HMAC'); - return false; - } - } - - //if ($this->decompress) { - // $payload = gzinflate(substr($payload, 2)); - //} - - $this->get_seq_no++; - - if (defined('NET_SSH2_LOGGING')) { - $current = microtime(true); - $message_number = isset($this->message_numbers[ord($payload[0])]) ? $this->message_numbers[ord($payload[0])] : 'UNKNOWN (' . ord($payload[0]) . ')'; - $message_number = '<- ' . $message_number . - ' (since last: ' . round($current - $this->last_packet, 4) . ', network: ' . round($stop - $start, 4) . 's)'; - $this->_append_log($message_number, $payload); - $this->last_packet = $current; - } - - return $this->_filter($payload, $skip_channel_filter); - } - - /** - * Filter Binary Packets - * - * Because some binary packets need to be ignored... - * - * @see self::_get_binary_packet() - * @return string - * @access private - */ - function _filter($payload, $skip_channel_filter) - { - switch (ord($payload[0])) { - case NET_SSH2_MSG_DISCONNECT: - $this->_string_shift($payload, 1); - if (strlen($payload) < 8) { - return false; - } - extract(unpack('Nreason_code/Nlength', $this->_string_shift($payload, 8))); - $this->errors[] = 'SSH_MSG_DISCONNECT: ' . $this->disconnect_reasons[$reason_code] . "\r\n" . utf8_decode($this->_string_shift($payload, $length)); - $this->bitmap = 0; - return false; - case NET_SSH2_MSG_IGNORE: - $payload = $this->_get_binary_packet($skip_channel_filter); - break; - case NET_SSH2_MSG_DEBUG: - $this->_string_shift($payload, 2); - if (strlen($payload) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($payload, 4))); - $this->errors[] = 'SSH_MSG_DEBUG: ' . utf8_decode($this->_string_shift($payload, $length)); - $payload = $this->_get_binary_packet($skip_channel_filter); - break; - case NET_SSH2_MSG_UNIMPLEMENTED: - return false; - case NET_SSH2_MSG_KEXINIT: - if ($this->session_id !== false) { - $this->send_kex_first = false; - if (!$this->_key_exchange($payload)) { - $this->bitmap = 0; - return false; - } - $payload = $this->_get_binary_packet($skip_channel_filter); - } - } - - // see http://tools.ietf.org/html/rfc4252#section-5.4; only called when the encryption has been activated and when we haven't already logged in - if (($this->bitmap & self::MASK_CONNECTED) && !$this->isAuthenticated() && ord($payload[0]) == NET_SSH2_MSG_USERAUTH_BANNER) { - $this->_string_shift($payload, 1); - if (strlen($payload) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($payload, 4))); - $this->banner_message = utf8_decode($this->_string_shift($payload, $length)); - $payload = $this->_get_binary_packet(); - } - - // only called when we've already logged in - if (($this->bitmap & self::MASK_CONNECTED) && $this->isAuthenticated()) { - switch (ord($payload[0])) { - case NET_SSH2_MSG_CHANNEL_DATA: - case NET_SSH2_MSG_CHANNEL_EXTENDED_DATA: - case NET_SSH2_MSG_CHANNEL_REQUEST: - case NET_SSH2_MSG_CHANNEL_CLOSE: - case NET_SSH2_MSG_CHANNEL_EOF: - if (!$skip_channel_filter && !empty($this->server_channels)) { - $this->binary_packet_buffer = $payload; - $this->_get_channel_packet(true); - $payload = $this->_get_binary_packet(); - } - break; - case NET_SSH2_MSG_GLOBAL_REQUEST: // see http://tools.ietf.org/html/rfc4254#section-4 - if (strlen($payload) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($payload, 4))); - $this->errors[] = 'SSH_MSG_GLOBAL_REQUEST: ' . $this->_string_shift($payload, $length); - - if (!$this->_send_binary_packet(pack('C', NET_SSH2_MSG_REQUEST_FAILURE))) { - return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION); - } - - $payload = $this->_get_binary_packet($skip_channel_filter); - break; - case NET_SSH2_MSG_CHANNEL_OPEN: // see http://tools.ietf.org/html/rfc4254#section-5.1 - $this->_string_shift($payload, 1); - if (strlen($payload) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($payload, 4))); - $data = $this->_string_shift($payload, $length); - if (strlen($payload) < 4) { - return false; - } - extract(unpack('Nserver_channel', $this->_string_shift($payload, 4))); - switch ($data) { - case 'auth-agent': - case 'auth-agent@openssh.com': - if (isset($this->agent)) { - $new_channel = self::CHANNEL_AGENT_FORWARD; - - if (strlen($payload) < 8) { - return false; - } - extract(unpack('Nremote_window_size', $this->_string_shift($payload, 4))); - extract(unpack('Nremote_maximum_packet_size', $this->_string_shift($payload, 4))); - - $this->packet_size_client_to_server[$new_channel] = $remote_window_size; - $this->window_size_server_to_client[$new_channel] = $remote_maximum_packet_size; - $this->window_size_client_to_server[$new_channel] = $this->window_size; - - $packet_size = 0x4000; - - $packet = pack( - 'CN4', - NET_SSH2_MSG_CHANNEL_OPEN_CONFIRMATION, - $server_channel, - $new_channel, - $packet_size, - $packet_size - ); - - $this->server_channels[$new_channel] = $server_channel; - $this->channel_status[$new_channel] = NET_SSH2_MSG_CHANNEL_OPEN_CONFIRMATION; - if (!$this->_send_binary_packet($packet)) { - return false; - } - } - break; - default: - $packet = pack( - 'CN3a*Na*', - NET_SSH2_MSG_REQUEST_FAILURE, - $server_channel, - NET_SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED, - 0, - '', - 0, - '' - ); - - if (!$this->_send_binary_packet($packet)) { - return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION); - } - } - $payload = $this->_get_binary_packet($skip_channel_filter); - break; - case NET_SSH2_MSG_CHANNEL_WINDOW_ADJUST: - $this->_string_shift($payload, 1); - if (strlen($payload) < 8) { - return false; - } - extract(unpack('Nchannel', $this->_string_shift($payload, 4))); - extract(unpack('Nwindow_size', $this->_string_shift($payload, 4))); - $this->window_size_client_to_server[$channel]+= $window_size; - - $payload = ($this->bitmap & self::MASK_WINDOW_ADJUST) ? true : $this->_get_binary_packet($skip_channel_filter); - } - } - - return $payload; - } - - /** - * Enable Quiet Mode - * - * Suppress stderr from output - * - * @access public - */ - function enableQuietMode() - { - $this->quiet_mode = true; - } - - /** - * Disable Quiet Mode - * - * Show stderr in output - * - * @access public - */ - function disableQuietMode() - { - $this->quiet_mode = false; - } - - /** - * Returns whether Quiet Mode is enabled or not - * - * @see self::enableQuietMode() - * @see self::disableQuietMode() - * @access public - * @return bool - */ - function isQuietModeEnabled() - { - return $this->quiet_mode; - } - - /** - * Enable request-pty when using exec() - * - * @access public - */ - function enablePTY() - { - $this->request_pty = true; - } - - /** - * Disable request-pty when using exec() - * - * @access public - */ - function disablePTY() - { - if ($this->in_request_pty_exec) { - $this->_close_channel(self::CHANNEL_EXEC); - $this->in_request_pty_exec = false; - } - $this->request_pty = false; - } - - /** - * Returns whether request-pty is enabled or not - * - * @see self::enablePTY() - * @see self::disablePTY() - * @access public - * @return bool - */ - function isPTYEnabled() - { - return $this->request_pty; - } - - /** - * Gets channel data - * - * Returns the data as a string if it's available and false if not. - * - * @param $client_channel - * @return mixed - * @access private - */ - function _get_channel_packet($client_channel, $skip_extended = false) - { - if (!empty($this->channel_buffers[$client_channel])) { - return array_shift($this->channel_buffers[$client_channel]); - } - - while (true) { - if ($this->binary_packet_buffer !== false) { - $response = $this->binary_packet_buffer; - $this->binary_packet_buffer = false; - } else { - if ($this->curTimeout) { - if ($this->curTimeout < 0) { - $this->is_timeout = true; - return true; - } - - $read = array($this->fsock); - $write = $except = null; - - $start = microtime(true); - $sec = floor($this->curTimeout); - $usec = 1000000 * ($this->curTimeout - $sec); - // on windows this returns a "Warning: Invalid CRT parameters detected" error - if (!@stream_select($read, $write, $except, $sec, $usec) && !count($read)) { - $this->is_timeout = true; - return true; - } - $elapsed = microtime(true) - $start; - $this->curTimeout-= $elapsed; - } - - $response = $this->_get_binary_packet(true); - if ($response === false) { - user_error('Connection closed by server'); - return false; - } - } - - if ($client_channel == -1 && $response === true) { - return true; - } - if (!strlen($response)) { - return ''; - } - - if (!strlen($response)) { - return false; - } - extract(unpack('Ctype', $this->_string_shift($response, 1))); - - if (strlen($response) < 4) { - return false; - } - if ($type == NET_SSH2_MSG_CHANNEL_OPEN) { - extract(unpack('Nlength', $this->_string_shift($response, 4))); - } else { - extract(unpack('Nchannel', $this->_string_shift($response, 4))); - } - - // will not be setup yet on incoming channel open request - if (isset($channel) && isset($this->channel_status[$channel]) && isset($this->window_size_server_to_client[$channel])) { - $this->window_size_server_to_client[$channel]-= strlen($response); - - // resize the window, if appropriate - if ($this->window_size_server_to_client[$channel] < 0) { - $packet = pack('CNN', NET_SSH2_MSG_CHANNEL_WINDOW_ADJUST, $this->server_channels[$channel], $this->window_size); - if (!$this->_send_binary_packet($packet)) { - return false; - } - $this->window_size_server_to_client[$channel]+= $this->window_size; - } - - switch ($type) { - case NET_SSH2_MSG_CHANNEL_EXTENDED_DATA: - /* - if ($client_channel == NET_SSH2_CHANNEL_EXEC) { - $this->_send_channel_packet($client_channel, chr(0)); - } - */ - // currently, there's only one possible value for $data_type_code: NET_SSH2_EXTENDED_DATA_STDERR - if (strlen($response) < 8) { - return false; - } - extract(unpack('Ndata_type_code/Nlength', $this->_string_shift($response, 8))); - $data = $this->_string_shift($response, $length); - $this->stdErrorLog.= $data; - if ($skip_extended || $this->quiet_mode) { - continue 2; - } - if ($client_channel == $channel && $this->channel_status[$channel] == NET_SSH2_MSG_CHANNEL_DATA) { - return $data; - } - if (!isset($this->channel_buffers[$channel])) { - $this->channel_buffers[$channel] = array(); - } - $this->channel_buffers[$channel][] = $data; - - continue 2; - case NET_SSH2_MSG_CHANNEL_REQUEST: - if ($this->channel_status[$channel] == NET_SSH2_MSG_CHANNEL_CLOSE) { - continue 2; - } - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($response, 4))); - $value = $this->_string_shift($response, $length); - switch ($value) { - case 'exit-signal': - $this->_string_shift($response, 1); - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($response, 4))); - $this->errors[] = 'SSH_MSG_CHANNEL_REQUEST (exit-signal): ' . $this->_string_shift($response, $length); - $this->_string_shift($response, 1); - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($response, 4))); - if ($length) { - $this->errors[count($this->errors)].= "\r\n" . $this->_string_shift($response, $length); - } - - $this->_send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_EOF, $this->server_channels[$client_channel])); - $this->_send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_CLOSE, $this->server_channels[$channel])); - - $this->channel_status[$channel] = NET_SSH2_MSG_CHANNEL_EOF; - - continue 3; - case 'exit-status': - if (strlen($response) < 5) { - return false; - } - extract(unpack('Cfalse/Nexit_status', $this->_string_shift($response, 5))); - $this->exit_status = $exit_status; - - // "The client MAY ignore these messages." - // -- http://tools.ietf.org/html/rfc4254#section-6.10 - - continue 3; - default: - // "Some systems may not implement signals, in which case they SHOULD ignore this message." - // -- http://tools.ietf.org/html/rfc4254#section-6.9 - continue 3; - } - } - - switch ($this->channel_status[$channel]) { - case NET_SSH2_MSG_CHANNEL_OPEN: - switch ($type) { - case NET_SSH2_MSG_CHANNEL_OPEN_CONFIRMATION: - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nserver_channel', $this->_string_shift($response, 4))); - $this->server_channels[$channel] = $server_channel; - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nwindow_size', $this->_string_shift($response, 4))); - if ($window_size < 0) { - $window_size&= 0x7FFFFFFF; - $window_size+= 0x80000000; - } - $this->window_size_client_to_server[$channel] = $window_size; - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Npacket_size_client_to_server', $this->_string_shift($response, 4)); - $this->packet_size_client_to_server[$channel] = $temp['packet_size_client_to_server']; - $result = $client_channel == $channel ? true : $this->_get_channel_packet($client_channel, $skip_extended); - $this->_on_channel_open(); - return $result; - //case NET_SSH2_MSG_CHANNEL_OPEN_FAILURE: - default: - user_error('Unable to open channel'); - return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION); - } - break; - case NET_SSH2_MSG_CHANNEL_REQUEST: - switch ($type) { - case NET_SSH2_MSG_CHANNEL_SUCCESS: - return true; - case NET_SSH2_MSG_CHANNEL_FAILURE: - return false; - default: - user_error('Unable to fulfill channel request'); - return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION); - } - case NET_SSH2_MSG_CHANNEL_CLOSE: - return $type == NET_SSH2_MSG_CHANNEL_CLOSE ? true : $this->_get_channel_packet($client_channel, $skip_extended); - } - } - - // ie. $this->channel_status[$channel] == NET_SSH2_MSG_CHANNEL_DATA - - switch ($type) { - case NET_SSH2_MSG_CHANNEL_DATA: - /* - if ($channel == self::CHANNEL_EXEC) { - // SCP requires null packets, such as this, be sent. further, in the case of the ssh.com SSH server - // this actually seems to make things twice as fast. more to the point, the message right after - // SSH_MSG_CHANNEL_DATA (usually SSH_MSG_IGNORE) won't block for as long as it would have otherwise. - // in OpenSSH it slows things down but only by a couple thousandths of a second. - $this->_send_channel_packet($channel, chr(0)); - } - */ - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($response, 4))); - $data = $this->_string_shift($response, $length); - - if ($channel == self::CHANNEL_AGENT_FORWARD) { - $agent_response = $this->agent->_forward_data($data); - if (!is_bool($agent_response)) { - $this->_send_channel_packet($channel, $agent_response); - } - break; - } - - if ($client_channel == $channel) { - return $data; - } - if (!isset($this->channel_buffers[$channel])) { - $this->channel_buffers[$channel] = array(); - } - $this->channel_buffers[$channel][] = $data; - break; - case NET_SSH2_MSG_CHANNEL_CLOSE: - $this->curTimeout = 0; - - if ($this->bitmap & self::MASK_SHELL) { - $this->bitmap&= ~self::MASK_SHELL; - } - if ($this->channel_status[$channel] != NET_SSH2_MSG_CHANNEL_EOF) { - $this->_send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_CLOSE, $this->server_channels[$channel])); - } - - $this->channel_status[$channel] = NET_SSH2_MSG_CHANNEL_CLOSE; - if ($client_channel == $channel) { - return true; - } - case NET_SSH2_MSG_CHANNEL_EOF: - break; - default: - user_error('Error reading channel data'); - return $this->_disconnect(NET_SSH2_DISCONNECT_BY_APPLICATION); - } - } - } - - /** - * Sends Binary Packets - * - * See '6. Binary Packet Protocol' of rfc4253 for more info. - * - * @param string $data - * @param string $logged - * @see self::_get_binary_packet() - * @return bool - * @access private - */ - function _send_binary_packet($data, $logged = null) - { - if (!is_resource($this->fsock) || feof($this->fsock)) { - user_error('Connection closed prematurely'); - $this->bitmap = 0; - return false; - } - - //if ($this->compress) { - // // the -4 removes the checksum: - // // http://php.net/function.gzcompress#57710 - // $data = substr(gzcompress($data), 0, -4); - //} - - // 4 (packet length) + 1 (padding length) + 4 (minimal padding amount) == 9 - $packet_length = strlen($data) + 9; - // round up to the nearest $this->encrypt_block_size - $packet_length+= (($this->encrypt_block_size - 1) * $packet_length) % $this->encrypt_block_size; - // subtracting strlen($data) is obvious - subtracting 5 is necessary because of packet_length and padding_length - $padding_length = $packet_length - strlen($data) - 5; - $padding = Random::string($padding_length); - - // we subtract 4 from packet_length because the packet_length field isn't supposed to include itself - $packet = pack('NCa*', $packet_length - 4, $padding_length, $data . $padding); - - $hmac = $this->hmac_create !== false ? $this->hmac_create->hash(pack('Na*', $this->send_seq_no, $packet)) : ''; - $this->send_seq_no++; - - if ($this->encrypt !== false) { - $packet = $this->encrypt->encrypt($packet); - } - - $packet.= $hmac; - - $start = microtime(true); - $result = strlen($packet) == fputs($this->fsock, $packet); - $stop = microtime(true); - - if (defined('NET_SSH2_LOGGING')) { - $current = microtime(true); - $message_number = isset($this->message_numbers[ord($data[0])]) ? $this->message_numbers[ord($data[0])] : 'UNKNOWN (' . ord($data[0]) . ')'; - $message_number = '-> ' . $message_number . - ' (since last: ' . round($current - $this->last_packet, 4) . ', network: ' . round($stop - $start, 4) . 's)'; - $this->_append_log($message_number, isset($logged) ? $logged : $data); - $this->last_packet = $current; - } - - return $result; - } - - /** - * Logs data packets - * - * Makes sure that only the last 1MB worth of packets will be logged - * - * @param string $data - * @access private - */ - function _append_log($message_number, $message) - { - // remove the byte identifying the message type from all but the first two messages (ie. the identification strings) - if (strlen($message_number) > 2) { - $this->_string_shift($message); - } - - switch (NET_SSH2_LOGGING) { - // useful for benchmarks - case self::LOG_SIMPLE: - $this->message_number_log[] = $message_number; - break; - // the most useful log for SSH2 - case self::LOG_COMPLEX: - $this->message_number_log[] = $message_number; - $this->log_size+= strlen($message); - $this->message_log[] = $message; - while ($this->log_size > self::LOG_MAX_SIZE) { - $this->log_size-= strlen(array_shift($this->message_log)); - array_shift($this->message_number_log); - } - break; - // dump the output out realtime; packets may be interspersed with non packets, - // passwords won't be filtered out and select other packets may not be correctly - // identified - case self::LOG_REALTIME: - switch (PHP_SAPI) { - case 'cli': - $start = $stop = "\r\n"; - break; - default: - $start = '
';
-                        $stop = '
'; - } - echo $start . $this->_format_log(array($message), array($message_number)) . $stop; - @flush(); - @ob_flush(); - break; - // basically the same thing as self::LOG_REALTIME with the caveat that self::LOG_REALTIME_FILE - // needs to be defined and that the resultant log file will be capped out at self::LOG_MAX_SIZE. - // the earliest part of the log file is denoted by the first <<< START >>> and is not going to necessarily - // at the beginning of the file - case self::LOG_REALTIME_FILE: - if (!isset($this->realtime_log_file)) { - // PHP doesn't seem to like using constants in fopen() - $filename = self::LOG_REALTIME_FILENAME; - $fp = fopen($filename, 'w'); - $this->realtime_log_file = $fp; - } - if (!is_resource($this->realtime_log_file)) { - break; - } - $entry = $this->_format_log(array($message), array($message_number)); - if ($this->realtime_log_wrap) { - $temp = "<<< START >>>\r\n"; - $entry.= $temp; - fseek($this->realtime_log_file, ftell($this->realtime_log_file) - strlen($temp)); - } - $this->realtime_log_size+= strlen($entry); - if ($this->realtime_log_size > self::LOG_MAX_SIZE) { - fseek($this->realtime_log_file, 0); - $this->realtime_log_size = strlen($entry); - $this->realtime_log_wrap = true; - } - fputs($this->realtime_log_file, $entry); - } - } - - /** - * Sends channel data - * - * Spans multiple SSH_MSG_CHANNEL_DATAs if appropriate - * - * @param int $client_channel - * @param string $data - * @return bool - * @access private - */ - function _send_channel_packet($client_channel, $data) - { - while (strlen($data)) { - if (!$this->window_size_client_to_server[$client_channel]) { - $this->bitmap^= self::MASK_WINDOW_ADJUST; - // using an invalid channel will let the buffers be built up for the valid channels - $this->_get_channel_packet(-1); - $this->bitmap^= self::MASK_WINDOW_ADJUST; - } - - /* The maximum amount of data allowed is determined by the maximum - packet size for the channel, and the current window size, whichever - is smaller. - -- http://tools.ietf.org/html/rfc4254#section-5.2 */ - $max_size = min( - $this->packet_size_client_to_server[$client_channel], - $this->window_size_client_to_server[$client_channel] - ); - - $temp = $this->_string_shift($data, $max_size); - $packet = pack( - 'CN2a*', - NET_SSH2_MSG_CHANNEL_DATA, - $this->server_channels[$client_channel], - strlen($temp), - $temp - ); - $this->window_size_client_to_server[$client_channel]-= strlen($temp); - if (!$this->_send_binary_packet($packet)) { - return false; - } - } - - return true; - } - - /** - * Closes and flushes a channel - * - * \phpseclib\Net\SSH2 doesn't properly close most channels. For exec() channels are normally closed by the server - * and for SFTP channels are presumably closed when the client disconnects. This functions is intended - * for SCP more than anything. - * - * @param int $client_channel - * @param bool $want_reply - * @return bool - * @access private - */ - function _close_channel($client_channel, $want_reply = false) - { - // see http://tools.ietf.org/html/rfc4254#section-5.3 - - $this->_send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_EOF, $this->server_channels[$client_channel])); - - if (!$want_reply) { - $this->_send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_CLOSE, $this->server_channels[$client_channel])); - } - - $this->channel_status[$client_channel] = NET_SSH2_MSG_CHANNEL_CLOSE; - - $this->curTimeout = 0; - - while (!is_bool($this->_get_channel_packet($client_channel))) { - } - - if ($want_reply) { - $this->_send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_CLOSE, $this->server_channels[$client_channel])); - } - - if ($this->bitmap & self::MASK_SHELL) { - $this->bitmap&= ~self::MASK_SHELL; - } - } - - /** - * Disconnect - * - * @param int $reason - * @return bool - * @access private - */ - function _disconnect($reason) - { - if ($this->bitmap & self::MASK_CONNECTED) { - $data = pack('CNNa*Na*', NET_SSH2_MSG_DISCONNECT, $reason, 0, '', 0, ''); - $this->_send_binary_packet($data); - $this->bitmap = 0; - fclose($this->fsock); - return false; - } - } - - /** - * String Shift - * - * Inspired by array_shift - * - * @param string $string - * @param int $index - * @return string - * @access private - */ - function _string_shift(&$string, $index = 1) - { - $substr = substr($string, 0, $index); - $string = substr($string, $index); - return $substr; - } - - /** - * Define Array - * - * Takes any number of arrays whose indices are integers and whose values are strings and defines a bunch of - * named constants from it, using the value as the name of the constant and the index as the value of the constant. - * If any of the constants that would be defined already exists, none of the constants will be defined. - * - * @param array $array - * @access private - */ - function _define_array() - { - $args = func_get_args(); - foreach ($args as $arg) { - foreach ($arg as $key => $value) { - if (!defined($value)) { - define($value, $key); - } else { - break 2; - } - } - } - } - - /** - * Returns a log of the packets that have been sent and received. - * - * Returns a string if NET_SSH2_LOGGING == self::LOG_COMPLEX, an array if NET_SSH2_LOGGING == self::LOG_SIMPLE and false if !defined('NET_SSH2_LOGGING') - * - * @access public - * @return array|false|string - */ - function getLog() - { - if (!defined('NET_SSH2_LOGGING')) { - return false; - } - - switch (NET_SSH2_LOGGING) { - case self::LOG_SIMPLE: - return $this->message_number_log; - case self::LOG_COMPLEX: - $log = $this->_format_log($this->message_log, $this->message_number_log); - return PHP_SAPI == 'cli' ? $log : '
' . $log . '
'; - default: - return false; - } - } - - /** - * Formats a log for printing - * - * @param array $message_log - * @param array $message_number_log - * @access private - * @return string - */ - function _format_log($message_log, $message_number_log) - { - $output = ''; - for ($i = 0; $i < count($message_log); $i++) { - $output.= $message_number_log[$i] . "\r\n"; - $current_log = $message_log[$i]; - $j = 0; - do { - if (strlen($current_log)) { - $output.= str_pad(dechex($j), 7, '0', STR_PAD_LEFT) . '0 '; - } - $fragment = $this->_string_shift($current_log, $this->log_short_width); - $hex = substr(preg_replace_callback('#.#s', array($this, '_format_log_helper'), $fragment), strlen($this->log_boundary)); - // replace non ASCII printable characters with dots - // http://en.wikipedia.org/wiki/ASCII#ASCII_printable_characters - // also replace < with a . since < messes up the output on web browsers - $raw = preg_replace('#[^\x20-\x7E]|<#', '.', $fragment); - $output.= str_pad($hex, $this->log_long_width - $this->log_short_width, ' ') . $raw . "\r\n"; - $j++; - } while (strlen($current_log)); - $output.= "\r\n"; - } - - return $output; - } - - /** - * Helper function for _format_log - * - * For use with preg_replace_callback() - * - * @param array $matches - * @access private - * @return string - */ - function _format_log_helper($matches) - { - return $this->log_boundary . str_pad(dechex(ord($matches[0])), 2, '0', STR_PAD_LEFT); - } - - /** - * Helper function for agent->_on_channel_open() - * - * Used when channels are created to inform agent - * of said channel opening. Must be called after - * channel open confirmation received - * - * @access private - */ - function _on_channel_open() - { - if (isset($this->agent)) { - $this->agent->_on_channel_open($this); - } - } - - /** - * Returns the first value of the intersection of two arrays or false if - * the intersection is empty. The order is defined by the first parameter. - * - * @param array $array1 - * @param array $array2 - * @return mixed False if intersection is empty, else intersected value. - * @access private - */ - function _array_intersect_first($array1, $array2) - { - foreach ($array1 as $value) { - if (in_array($value, $array2)) { - return $value; - } - } - return false; - } - - /** - * Returns all errors - * - * @return string[] - * @access public - */ - function getErrors() - { - return $this->errors; - } - - /** - * Returns the last error - * - * @return string - * @access public - */ - function getLastError() - { - $count = count($this->errors); - - if ($count > 0) { - return $this->errors[$count - 1]; - } - } - - /** - * Return the server identification. - * - * @return string - * @access public - */ - function getServerIdentification() - { - $this->_connect(); - - return $this->server_identifier; - } - - /** - * Return a list of the key exchange algorithms the server supports. - * - * @return array - * @access public - */ - function getKexAlgorithms() - { - $this->_connect(); - - return $this->kex_algorithms; - } - - /** - * Return a list of the host key (public key) algorithms the server supports. - * - * @return array - * @access public - */ - function getServerHostKeyAlgorithms() - { - $this->_connect(); - - return $this->server_host_key_algorithms; - } - - /** - * Return a list of the (symmetric key) encryption algorithms the server supports, when receiving stuff from the client. - * - * @return array - * @access public - */ - function getEncryptionAlgorithmsClient2Server() - { - $this->_connect(); - - return $this->encryption_algorithms_client_to_server; - } - - /** - * Return a list of the (symmetric key) encryption algorithms the server supports, when sending stuff to the client. - * - * @return array - * @access public - */ - function getEncryptionAlgorithmsServer2Client() - { - $this->_connect(); - - return $this->encryption_algorithms_server_to_client; - } - - /** - * Return a list of the MAC algorithms the server supports, when receiving stuff from the client. - * - * @return array - * @access public - */ - function getMACAlgorithmsClient2Server() - { - $this->_connect(); - - return $this->mac_algorithms_client_to_server; - } - - /** - * Return a list of the MAC algorithms the server supports, when sending stuff to the client. - * - * @return array - * @access public - */ - function getMACAlgorithmsServer2Client() - { - $this->_connect(); - - return $this->mac_algorithms_server_to_client; - } - - /** - * Return a list of the compression algorithms the server supports, when receiving stuff from the client. - * - * @return array - * @access public - */ - function getCompressionAlgorithmsClient2Server() - { - $this->_connect(); - - return $this->compression_algorithms_client_to_server; - } - - /** - * Return a list of the compression algorithms the server supports, when sending stuff to the client. - * - * @return array - * @access public - */ - function getCompressionAlgorithmsServer2Client() - { - $this->_connect(); - - return $this->compression_algorithms_server_to_client; - } - - /** - * Return a list of the languages the server supports, when sending stuff to the client. - * - * @return array - * @access public - */ - function getLanguagesServer2Client() - { - $this->_connect(); - - return $this->languages_server_to_client; - } - - /** - * Return a list of the languages the server supports, when receiving stuff from the client. - * - * @return array - * @access public - */ - function getLanguagesClient2Server() - { - $this->_connect(); - - return $this->languages_client_to_server; - } - - /** - * Returns the banner message. - * - * Quoting from the RFC, "in some jurisdictions, sending a warning message before - * authentication may be relevant for getting legal protection." - * - * @return string - * @access public - */ - function getBannerMessage() - { - return $this->banner_message; - } - - /** - * Returns the server public host key. - * - * Caching this the first time you connect to a server and checking the result on subsequent connections - * is recommended. Returns false if the server signature is not signed correctly with the public host key. - * - * @return mixed - * @access public - */ - function getServerPublicHostKey() - { - if (!($this->bitmap & self::MASK_CONSTRUCTOR)) { - if (!$this->_connect()) { - return false; - } - } - - $signature = $this->signature; - $server_public_host_key = $this->server_public_host_key; - - if (strlen($server_public_host_key) < 4) { - return false; - } - extract(unpack('Nlength', $this->_string_shift($server_public_host_key, 4))); - $this->_string_shift($server_public_host_key, $length); - - if ($this->signature_validated) { - return $this->bitmap ? - $this->signature_format . ' ' . base64_encode($this->server_public_host_key) : - false; - } - - $this->signature_validated = true; - - switch ($this->signature_format) { - case 'ssh-dss': - $zero = new BigInteger(); - - if (strlen($server_public_host_key) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4)); - $p = new BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256); - - if (strlen($server_public_host_key) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4)); - $q = new BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256); - - if (strlen($server_public_host_key) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4)); - $g = new BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256); - - if (strlen($server_public_host_key) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4)); - $y = new BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256); - - /* The value for 'dss_signature_blob' is encoded as a string containing - r, followed by s (which are 160-bit integers, without lengths or - padding, unsigned, and in network byte order). */ - $temp = unpack('Nlength', $this->_string_shift($signature, 4)); - if ($temp['length'] != 40) { - user_error('Invalid signature'); - return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - } - - $r = new BigInteger($this->_string_shift($signature, 20), 256); - $s = new BigInteger($this->_string_shift($signature, 20), 256); - - switch (true) { - case $r->equals($zero): - case $r->compare($q) >= 0: - case $s->equals($zero): - case $s->compare($q) >= 0: - user_error('Invalid signature'); - return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - } - - $w = $s->modInverse($q); - - $u1 = $w->multiply(new BigInteger(sha1($this->exchange_hash), 16)); - list(, $u1) = $u1->divide($q); - - $u2 = $w->multiply($r); - list(, $u2) = $u2->divide($q); - - $g = $g->modPow($u1, $p); - $y = $y->modPow($u2, $p); - - $v = $g->multiply($y); - list(, $v) = $v->divide($p); - list(, $v) = $v->divide($q); - - if (!$v->equals($r)) { - user_error('Bad server signature'); - return $this->_disconnect(NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE); - } - - break; - case 'ssh-rsa': - if (strlen($server_public_host_key) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4)); - $e = new BigInteger($this->_string_shift($server_public_host_key, $temp['length']), -256); - - if (strlen($server_public_host_key) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($server_public_host_key, 4)); - $rawN = $this->_string_shift($server_public_host_key, $temp['length']); - $n = new BigInteger($rawN, -256); - $nLength = strlen(ltrim($rawN, "\0")); - - /* - if (strlen($signature) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($signature, 4)); - $signature = $this->_string_shift($signature, $temp['length']); - - $rsa = new RSA(); - $rsa->setSignatureMode(RSA::SIGNATURE_PKCS1); - $rsa->loadKey(array('e' => $e, 'n' => $n), RSA::PUBLIC_FORMAT_RAW); - if (!$rsa->verify($this->exchange_hash, $signature)) { - user_error('Bad server signature'); - return $this->_disconnect(NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE); - } - */ - - if (strlen($signature) < 4) { - return false; - } - $temp = unpack('Nlength', $this->_string_shift($signature, 4)); - $s = new BigInteger($this->_string_shift($signature, $temp['length']), 256); - - // validate an RSA signature per "8.2 RSASSA-PKCS1-v1_5", "5.2.2 RSAVP1", and "9.1 EMSA-PSS" in the - // following URL: - // ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1.pdf - - // also, see SSHRSA.c (rsa2_verifysig) in PuTTy's source. - - if ($s->compare(new BigInteger()) < 0 || $s->compare($n->subtract(new BigInteger(1))) > 0) { - user_error('Invalid signature'); - return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - } - - $s = $s->modPow($e, $n); - $s = $s->toBytes(); - - $h = pack('N4H*', 0x00302130, 0x0906052B, 0x0E03021A, 0x05000414, sha1($this->exchange_hash)); - $h = chr(0x01) . str_repeat(chr(0xFF), $nLength - 2 - strlen($h)) . $h; - - if ($s != $h) { - user_error('Bad server signature'); - return $this->_disconnect(NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE); - } - break; - default: - user_error('Unsupported signature format'); - return $this->_disconnect(NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE); - } - - return $this->signature_format . ' ' . base64_encode($this->server_public_host_key); - } - - /** - * Returns the exit status of an SSH command or false. - * - * @return false|int - * @access public - */ - function getExitStatus() - { - if (is_null($this->exit_status)) { - return false; - } - return $this->exit_status; - } - - /** - * Returns the number of columns for the terminal window size. - * - * @return int - * @access public - */ - function getWindowColumns() - { - return $this->windowColumns; - } - - /** - * Returns the number of rows for the terminal window size. - * - * @return int - * @access public - */ - function getWindowRows() - { - return $this->windowRows; - } - - /** - * Sets the number of columns for the terminal window size. - * - * @param int $value - * @access public - */ - function setWindowColumns($value) - { - $this->windowColumns = $value; - } - - /** - * Sets the number of rows for the terminal window size. - * - * @param int $value - * @access public - */ - function setWindowRows($value) - { - $this->windowRows = $value; - } - - /** - * Sets the number of columns and rows for the terminal window size. - * - * @param int $columns - * @param int $rows - * @access public - */ - function setWindowSize($columns = 80, $rows = 24) - { - $this->windowColumns = $columns; - $this->windowRows = $rows; - } -} diff --git a/lib/phpseclib/PHP/Compat/Function/array_fill.php b/lib/phpseclib/PHP/Compat/Function/array_fill.php deleted file mode 100644 index 7eb231a0962..00000000000 --- a/lib/phpseclib/PHP/Compat/Function/array_fill.php +++ /dev/null @@ -1,43 +0,0 @@ -, Arpad Ray - * @link http://php.net/function.array_fill - * @author Jim Wigginton - * @version $Revision: 1.1 $ - * @since PHP 4.2.0 - */ -/* -function php_compat_array_fill($start_index, $num, $value) -{ - if ($num <= 0) { - user_error('array_fill(): Number of elements must be positive', E_USER_WARNING); - - return false; - } - - $temp = array(); - - $end_index = $start_index + $num; - for ($i = (int) $start_index; $i < $end_index; $i++) { - $temp[$i] = $value; - } - - return $temp; -} - -// Define -if (!function_exists('array_fill')) { - function array_fill($start_index, $num, $value) - { - return php_compat_array_fill($start_index, $num, $value); - } -} -*/ diff --git a/lib/phpseclib/PHP/Compat/Function/bcpowmod.php b/lib/phpseclib/PHP/Compat/Function/bcpowmod.php deleted file mode 100644 index 0366fef84d4..00000000000 --- a/lib/phpseclib/PHP/Compat/Function/bcpowmod.php +++ /dev/null @@ -1,68 +0,0 @@ -, Arpad Ray - * @link http://php.net/function.bcpowmod - * @author Sara Golemon - * @version $Revision: 1.1 $ - * @since PHP 5.0.0 - * @require PHP 4.0.0 (user_error) - */ -/* -function php_compat_bcpowmod($x, $y, $modulus, $scale = 0) -{ - // Sanity check - if (!is_scalar($x)) { - user_error('bcpowmod() expects parameter 1 to be string, ' . - gettype($x) . ' given', E_USER_WARNING); - return false; - } - - if (!is_scalar($y)) { - user_error('bcpowmod() expects parameter 2 to be string, ' . - gettype($y) . ' given', E_USER_WARNING); - return false; - } - - if (!is_scalar($modulus)) { - user_error('bcpowmod() expects parameter 3 to be string, ' . - gettype($modulus) . ' given', E_USER_WARNING); - return false; - } - - if (!is_scalar($scale)) { - user_error('bcpowmod() expects parameter 4 to be integer, ' . - gettype($scale) . ' given', E_USER_WARNING); - return false; - } - - $t = '1'; - while (bccomp($y, '0')) { - if (bccomp(bcmod($y, '2'), '0')) { - $t = bcmod(bcmul($t, $x), $modulus); - $y = bcsub($y, '1'); - } - - $x = bcmod(bcmul($x, $x), $modulus); - $y = bcdiv($y, '2'); - } - - return $t; -} - - -// Define -if (!function_exists('bcpowmod')) { - function bcpowmod($x, $y, $modulus, $scale = 0) - { - return php_compat_bcpowmod($x, $y, $modulus, $scale); - } -} -*/ diff --git a/lib/phpseclib/PHP/Compat/Function/str_split.php b/lib/phpseclib/PHP/Compat/Function/str_split.php deleted file mode 100644 index 607e5ca32c4..00000000000 --- a/lib/phpseclib/PHP/Compat/Function/str_split.php +++ /dev/null @@ -1,61 +0,0 @@ -, Arpad Ray - * @link http://php.net/function.str_split - * @author Aidan Lister - * @version $Revision: 1.1 $ - * @since PHP 5 - * @require PHP 4.0.0 (user_error) - */ -/* -function php_compat_str_split($string, $split_length = 1) -{ - if (!is_scalar($split_length)) { - user_error('str_split() expects parameter 2 to be long, ' . - gettype($split_length) . ' given', E_USER_WARNING); - return false; - } - - $split_length = (int) $split_length; - if ($split_length < 1) { - user_error('str_split() The length of each segment must be greater than zero', E_USER_WARNING); - return false; - } - - // Select split method - if ($split_length < 65536) { - // Faster, but only works for less than 2^16 - preg_match_all('/.{1,' . $split_length . '}/s', $string, $matches); - return $matches[0]; - } else { - // Required due to preg limitations - $arr = array(); - $idx = 0; - $pos = 0; - $len = strlen($string); - - while ($len > 0) { - $blk = ($len < $split_length) ? $len : $split_length; - $arr[$idx++] = substr($string, $pos, $blk); - $pos += $blk; - $len -= $blk; - } - - return $arr; - } -} - - -// Define -if (!function_exists('str_split')) { - function str_split($string, $split_length = 1) - { - return php_compat_str_split($string, $split_length); - } -} -*/ diff --git a/lib/phpseclib/System/SSH/Agent.php b/lib/phpseclib/System/SSH/Agent.php deleted file mode 100644 index a4ff0549d1d..00000000000 --- a/lib/phpseclib/System/SSH/Agent.php +++ /dev/null @@ -1,308 +0,0 @@ - - * login('username', $agent)) { - * exit('Login Failed'); - * } - * - * echo $ssh->exec('pwd'); - * echo $ssh->exec('ls -la'); - * ?> - * - * - * @category System - * @package SSH\Agent - * @author Jim Wigginton - * @copyright 2014 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - * @internal See http://api.libssh.org/rfc/PROTOCOL.agent - */ - -namespace phpseclib\System\SSH; - -use phpseclib\Crypt\RSA; -use phpseclib\System\SSH\Agent\Identity; - -/** - * Pure-PHP ssh-agent client identity factory - * - * requestIdentities() method pumps out \phpseclib\System\SSH\Agent\Identity objects - * - * @package SSH\Agent - * @author Jim Wigginton - * @access internal - */ -class Agent -{ - /**#@+ - * Message numbers - * - * @access private - */ - // to request SSH1 keys you have to use SSH_AGENTC_REQUEST_RSA_IDENTITIES (1) - const SSH_AGENTC_REQUEST_IDENTITIES = 11; - // this is the SSH2 response; the SSH1 response is SSH_AGENT_RSA_IDENTITIES_ANSWER (2). - const SSH_AGENT_IDENTITIES_ANSWER = 12; - // the SSH1 request is SSH_AGENTC_RSA_CHALLENGE (3) - const SSH_AGENTC_SIGN_REQUEST = 13; - // the SSH1 response is SSH_AGENT_RSA_RESPONSE (4) - const SSH_AGENT_SIGN_RESPONSE = 14; - /**#@-*/ - - /**@+ - * Agent forwarding status - * - * @access private - */ - // no forwarding requested and not active - const FORWARD_NONE = 0; - // request agent forwarding when opportune - const FORWARD_REQUEST = 1; - // forwarding has been request and is active - const FORWARD_ACTIVE = 2; - /**#@-*/ - - /** - * Unused - */ - const SSH_AGENT_FAILURE = 5; - - /** - * Socket Resource - * - * @var resource - * @access private - */ - var $fsock; - - /** - * Agent forwarding status - * - * @access private - */ - var $forward_status = self::FORWARD_NONE; - - /** - * Buffer for accumulating forwarded authentication - * agent data arriving on SSH data channel destined - * for agent unix socket - * - * @access private - */ - var $socket_buffer = ''; - - /** - * Tracking the number of bytes we are expecting - * to arrive for the agent socket on the SSH data - * channel - */ - var $expected_bytes = 0; - - /** - * Default Constructor - * - * @return \phpseclib\System\SSH\Agent - * @access public - */ - function __construct() - { - switch (true) { - case isset($_SERVER['SSH_AUTH_SOCK']): - $address = $_SERVER['SSH_AUTH_SOCK']; - break; - case isset($_ENV['SSH_AUTH_SOCK']): - $address = $_ENV['SSH_AUTH_SOCK']; - break; - default: - user_error('SSH_AUTH_SOCK not found'); - return false; - } - - $this->fsock = fsockopen('unix://' . $address, 0, $errno, $errstr); - if (!$this->fsock) { - user_error("Unable to connect to ssh-agent (Error $errno: $errstr)"); - } - } - - /** - * Request Identities - * - * See "2.5.2 Requesting a list of protocol 2 keys" - * Returns an array containing zero or more \phpseclib\System\SSH\Agent\Identity objects - * - * @return array - * @access public - */ - function requestIdentities() - { - if (!$this->fsock) { - return array(); - } - - $packet = pack('NC', 1, self::SSH_AGENTC_REQUEST_IDENTITIES); - if (strlen($packet) != fputs($this->fsock, $packet)) { - user_error('Connection closed while requesting identities'); - } - - $length = current(unpack('N', fread($this->fsock, 4))); - $type = ord(fread($this->fsock, 1)); - if ($type != self::SSH_AGENT_IDENTITIES_ANSWER) { - user_error('Unable to request identities'); - } - - $identities = array(); - $keyCount = current(unpack('N', fread($this->fsock, 4))); - for ($i = 0; $i < $keyCount; $i++) { - $length = current(unpack('N', fread($this->fsock, 4))); - $key_blob = fread($this->fsock, $length); - $key_str = 'ssh-rsa ' . base64_encode($key_blob); - $length = current(unpack('N', fread($this->fsock, 4))); - if ($length) { - $key_str.= ' ' . fread($this->fsock, $length); - } - $length = current(unpack('N', substr($key_blob, 0, 4))); - $key_type = substr($key_blob, 4, $length); - switch ($key_type) { - case 'ssh-rsa': - $key = new RSA(); - $key->loadKey($key_str); - break; - case 'ssh-dss': - // not currently supported - break; - } - // resources are passed by reference by default - if (isset($key)) { - $identity = new Identity($this->fsock); - $identity->setPublicKey($key); - $identity->setPublicKeyBlob($key_blob); - $identities[] = $identity; - unset($key); - } - } - - return $identities; - } - - /** - * Signal that agent forwarding should - * be requested when a channel is opened - * - * @param Net_SSH2 $ssh - * @return bool - * @access public - */ - function startSSHForwarding($ssh) - { - if ($this->forward_status == self::FORWARD_NONE) { - $this->forward_status = self::FORWARD_REQUEST; - } - } - - /** - * Request agent forwarding of remote server - * - * @param Net_SSH2 $ssh - * @return bool - * @access private - */ - function _request_forwarding($ssh) - { - $request_channel = $ssh->_get_open_channel(); - if ($request_channel === false) { - return false; - } - - $packet = pack( - 'CNNa*C', - NET_SSH2_MSG_CHANNEL_REQUEST, - $ssh->server_channels[$request_channel], - strlen('auth-agent-req@openssh.com'), - 'auth-agent-req@openssh.com', - 1 - ); - - $ssh->channel_status[$request_channel] = NET_SSH2_MSG_CHANNEL_REQUEST; - - if (!$ssh->_send_binary_packet($packet)) { - return false; - } - - $response = $ssh->_get_channel_packet($request_channel); - if ($response === false) { - return false; - } - - $ssh->channel_status[$request_channel] = NET_SSH2_MSG_CHANNEL_OPEN; - $this->forward_status = self::FORWARD_ACTIVE; - - return true; - } - - /** - * On successful channel open - * - * This method is called upon successful channel - * open to give the SSH Agent an opportunity - * to take further action. i.e. request agent forwarding - * - * @param Net_SSH2 $ssh - * @access private - */ - function _on_channel_open($ssh) - { - if ($this->forward_status == self::FORWARD_REQUEST) { - $this->_request_forwarding($ssh); - } - } - - /** - * Forward data to SSH Agent and return data reply - * - * @param string $data - * @return data from SSH Agent - * @access private - */ - function _forward_data($data) - { - if ($this->expected_bytes > 0) { - $this->socket_buffer.= $data; - $this->expected_bytes -= strlen($data); - } else { - $agent_data_bytes = current(unpack('N', $data)); - $current_data_bytes = strlen($data); - $this->socket_buffer = $data; - if ($current_data_bytes != $agent_data_bytes + 4) { - $this->expected_bytes = ($agent_data_bytes + 4) - $current_data_bytes; - return false; - } - } - - if (strlen($this->socket_buffer) != fwrite($this->fsock, $this->socket_buffer)) { - user_error('Connection closed attempting to forward data to SSH agent'); - } - - $this->socket_buffer = ''; - $this->expected_bytes = 0; - - $agent_reply_bytes = current(unpack('N', fread($this->fsock, 4))); - - $agent_reply_data = fread($this->fsock, $agent_reply_bytes); - $agent_reply_data = current(unpack('a*', $agent_reply_data)); - - return pack('Na*', $agent_reply_bytes, $agent_reply_data); - } -} diff --git a/lib/phpseclib/System/SSH/Agent/Identity.php b/lib/phpseclib/System/SSH/Agent/Identity.php deleted file mode 100644 index b8cc6cded54..00000000000 --- a/lib/phpseclib/System/SSH/Agent/Identity.php +++ /dev/null @@ -1,158 +0,0 @@ - - * @copyright 2009 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - * @internal See http://api.libssh.org/rfc/PROTOCOL.agent - */ - -namespace phpseclib\System\SSH\Agent; - -use phpseclib\System\SSH\Agent; - -/** - * Pure-PHP ssh-agent client identity object - * - * Instantiation should only be performed by \phpseclib\System\SSH\Agent class. - * This could be thought of as implementing an interface that phpseclib\Crypt\RSA - * implements. ie. maybe a Net_SSH_Auth_PublicKey interface or something. - * The methods in this interface would be getPublicKey and sign since those are the - * methods phpseclib looks for to perform public key authentication. - * - * @package SSH\Agent - * @author Jim Wigginton - * @access internal - */ -class Identity -{ - /** - * Key Object - * - * @var \phpseclib\Crypt\RSA - * @access private - * @see self::getPublicKey() - */ - var $key; - - /** - * Key Blob - * - * @var string - * @access private - * @see self::sign() - */ - var $key_blob; - - /** - * Socket Resource - * - * @var resource - * @access private - * @see self::sign() - */ - var $fsock; - - /** - * Default Constructor. - * - * @param resource $fsock - * @return \phpseclib\System\SSH\Agent\Identity - * @access private - */ - function __construct($fsock) - { - $this->fsock = $fsock; - } - - /** - * Set Public Key - * - * Called by \phpseclib\System\SSH\Agent::requestIdentities() - * - * @param \phpseclib\Crypt\RSA $key - * @access private - */ - function setPublicKey($key) - { - $this->key = $key; - $this->key->setPublicKey(); - } - - /** - * Set Public Key - * - * Called by \phpseclib\System\SSH\Agent::requestIdentities(). The key blob could be extracted from $this->key - * but this saves a small amount of computation. - * - * @param string $key_blob - * @access private - */ - function setPublicKeyBlob($key_blob) - { - $this->key_blob = $key_blob; - } - - /** - * Get Public Key - * - * Wrapper for $this->key->getPublicKey() - * - * @param int $format optional - * @return mixed - * @access public - */ - function getPublicKey($format = null) - { - return !isset($format) ? $this->key->getPublicKey() : $this->key->getPublicKey($format); - } - - /** - * Set Signature Mode - * - * Doesn't do anything as ssh-agent doesn't let you pick and choose the signature mode. ie. - * ssh-agent's only supported mode is \phpseclib\Crypt\RSA::SIGNATURE_PKCS1 - * - * @param int $mode - * @access public - */ - function setSignatureMode($mode) - { - } - - /** - * Create a signature - * - * See "2.6.2 Protocol 2 private key signature request" - * - * @param string $message - * @return string - * @access public - */ - function sign($message) - { - // the last parameter (currently 0) is for flags and ssh-agent only defines one flag (for ssh-dss): SSH_AGENT_OLD_SIGNATURE - $packet = pack('CNa*Na*N', Agent::SSH_AGENTC_SIGN_REQUEST, strlen($this->key_blob), $this->key_blob, strlen($message), $message, 0); - $packet = pack('Na*', strlen($packet), $packet); - if (strlen($packet) != fputs($this->fsock, $packet)) { - user_error('Connection closed during signing'); - } - - $length = current(unpack('N', fread($this->fsock, 4))); - $type = ord(fread($this->fsock, 1)); - if ($type != Agent::SSH_AGENT_SIGN_RESPONSE) { - user_error('Unable to retrieve signature'); - } - - $signature_blob = fread($this->fsock, $length - 1); - // the only other signature format defined - ssh-dss - is the same length as ssh-rsa - // the + 12 is for the other various SSH added length fields - return substr($signature_blob, strlen('ssh-rsa') + 12); - } -} diff --git a/lib/phpseclib/bootstrap.php b/lib/phpseclib/bootstrap.php deleted file mode 100644 index 55a919e89c5..00000000000 --- a/lib/phpseclib/bootstrap.php +++ /dev/null @@ -1,22 +0,0 @@ - Date: Fri, 12 Aug 2022 00:36:40 +0100 Subject: [PATCH 02/20] removed unused plugin --- composer.json | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/composer.json b/composer.json index 19e1a2fe90a..6d6f564eb5c 100644 --- a/composer.json +++ b/composer.json @@ -70,8 +70,7 @@ }, "config": { "allow-plugins": { - "magento-hackathon/magento-composer-installer": true, - "cweagans/composer-patches": true + "magento-hackathon/magento-composer-installer": true }, "sort-packages": true } From 87a9ec50ef35a8c551f7235cde8236d88b201e08 Mon Sep 17 00:00:00 2001 From: Fabrizio Balliano Date: Fri, 12 Aug 2022 08:56:58 +0100 Subject: [PATCH 03/20] removing autoloader patch --- app/Mage.php | 8 -------- 1 file changed, 8 deletions(-) diff --git a/app/Mage.php b/app/Mage.php index 67e6fda4ce3..f1f7ed782e8 100644 --- a/app/Mage.php +++ b/app/Mage.php @@ -47,14 +47,6 @@ Varien_Autoload::register(); -/** AUTOLOADER PATCH **/ -if (file_exists($autoloaderPath = BP . DS . 'vendor/autoload.php') || - file_exists($autoloaderPath = BP . DS . '../vendor/autoload.php') -) { - require $autoloaderPath; -} -/** AUTOLOADER PATCH **/ - /* Support additional includes, such as composer's vendor/autoload.php files */ foreach (glob(BP . DS . 'app' . DS . 'etc' . DS . 'includes' . DS . '*.php') as $path) { include_once $path; From 8cf314044766eda15502a132e2303a1aad01d06f Mon Sep 17 00:00:00 2001 From: Fabrizio Balliano Date: Mon, 15 Aug 2022 20:47:40 +0100 Subject: [PATCH 04/20] forced net_idna2 to a specific commit version --- composer.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/composer.json b/composer.json index 6d6f564eb5c..ccfe625f1ef 100644 --- a/composer.json +++ b/composer.json @@ -22,7 +22,7 @@ "magento-hackathon/magento-composer-installer": "^3.1 || ^2.1 || ^4.0", "phpseclib/phpseclib": "^3.0.14", "phpseclib/mcrypt_compat": "^2.0.3", - "pear/net_idna2": "dev-master", + "pear/net_idna2": "dev-master#d22f05df07622b7ec48ee9902ae701267182d920", "colinmollenhour/cache-backend-redis": "^1.14", "colinmollenhour/magento-redis-session": "^3.0" }, From 082fb4d8ecb3336b8c59bfc78b7f2926e65eea3a Mon Sep 17 00:00:00 2001 From: Fabrizio Balliano Date: Mon, 15 Aug 2022 21:15:21 +0100 Subject: [PATCH 05/20] updated --- composer.lock | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/composer.lock b/composer.lock index 7038651a51f..dc70d3b6b86 100644 --- a/composer.lock +++ b/composer.lock @@ -4,20 +4,20 @@ "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies", "This file is @generated automatically" ], - "content-hash": "c4c0c86a3401bf910764be92a37a7044", + "content-hash": "1ae700b30b8f558fc458a3b45789f6ed", "packages": [ { "name": "colinmollenhour/cache-backend-redis", - "version": "1.14.3", + "version": "1.14.4", "source": { "type": "git", "url": "https://github.com/colinmollenhour/Cm_Cache_Backend_Redis.git", - "reference": "30915e6eee745d75838f7e1fdf681294b1e3640e" + "reference": "6661e3f07baa10e7b48305f9282eac5f7ad8e50a" }, "dist": { "type": "zip", - "url": "https://api.github.com/repos/colinmollenhour/Cm_Cache_Backend_Redis/zipball/30915e6eee745d75838f7e1fdf681294b1e3640e", - "reference": "30915e6eee745d75838f7e1fdf681294b1e3640e", + "url": "https://api.github.com/repos/colinmollenhour/Cm_Cache_Backend_Redis/zipball/6661e3f07baa10e7b48305f9282eac5f7ad8e50a", + "reference": "6661e3f07baa10e7b48305f9282eac5f7ad8e50a", "shasum": "" }, "require": { @@ -31,7 +31,7 @@ }, "notification-url": "https://packagist.org/downloads/", "license": [ - "BSD-3-Clause" + "BSD-3-Clause-Modification" ], "authors": [ { @@ -42,9 +42,9 @@ "homepage": "https://github.com/colinmollenhour/Cm_Cache_Backend_Redis", "support": { "issues": "https://github.com/colinmollenhour/Cm_Cache_Backend_Redis/issues", - "source": "https://github.com/colinmollenhour/Cm_Cache_Backend_Redis/tree/1.14.3" + "source": "https://github.com/colinmollenhour/Cm_Cache_Backend_Redis/tree/1.14.4" }, - "time": "2022-06-20T17:58:37+00:00" + "time": "2022-08-12T20:16:06+00:00" }, { "name": "colinmollenhour/credis", From 27497e6b4a1c8b45374f369a0185df695c534b3a Mon Sep 17 00:00:00 2001 From: Fabrizio Balliano Date: Tue, 16 Aug 2022 11:42:10 +0100 Subject: [PATCH 06/20] Replaced Net_IDNA with a more maintained polyfill --- app/code/core/Mage/Core/Helper/Url.php | 14 +- app/code/core/Zend/Validate/Hostname.php | 14 +- composer.json | 2 +- composer.lock | 282 +++++++++++++---------- 4 files changed, 172 insertions(+), 140 deletions(-) diff --git a/app/code/core/Mage/Core/Helper/Url.php b/app/code/core/Mage/Core/Helper/Url.php index 2d6e65b4d0b..1d0787b7466 100644 --- a/app/code/core/Mage/Core/Helper/Url.php +++ b/app/code/core/Mage/Core/Helper/Url.php @@ -171,12 +171,7 @@ public function encodePunycode($url) { $parsedUrl = parse_url($url); if (!$this->_isPunycode($parsedUrl['host'])) { - if (function_exists('idn_to_ascii')) { - $host = idn_to_ascii($parsedUrl['host']); - } else { - $idn = new Net_IDNA2(); - $host = $idn->encode($parsedUrl['host']); - } + $host = idn_to_ascii($parsedUrl['host']); return str_replace($parsedUrl['host'], $host, $url); } else { return $url; @@ -193,12 +188,7 @@ public function decodePunycode($url) { $parsedUrl = parse_url($url); if ($this->_isPunycode($parsedUrl['host'])) { - if (function_exists('idn_to_utf8')) { - $host = idn_to_utf8($parsedUrl['host']); - } else { - $idn = new Net_IDNA2(); - $host = $idn->decode($parsedUrl['host']); - } + $host = idn_to_utf8($parsedUrl['host']); return str_replace($parsedUrl['host'], $host, $url); } else { return $url; diff --git a/app/code/core/Zend/Validate/Hostname.php b/app/code/core/Zend/Validate/Hostname.php index e6c4f1f303e..ed1b52b16ab 100644 --- a/app/code/core/Zend/Validate/Hostname.php +++ b/app/code/core/Zend/Validate/Hostname.php @@ -2511,18 +2511,12 @@ protected function decodePunycode($encoded) */ protected function checkDnsRecords($hostName) { - if (function_exists('idn_to_ascii')) { - if (defined('IDNA_NONTRANSITIONAL_TO_ASCII') && defined('INTL_IDNA_VARIANT_UTS46')) { - $toAscii = idn_to_ascii($hostName, IDNA_NONTRANSITIONAL_TO_ASCII, INTL_IDNA_VARIANT_UTS46); - } else { - $toAscii = idn_to_ascii($hostName); - } - $result = checkdnsrr($toAscii, 'A'); + if (defined('IDNA_NONTRANSITIONAL_TO_ASCII') && defined('INTL_IDNA_VARIANT_UTS46')) { + $toAscii = idn_to_ascii($hostName, IDNA_NONTRANSITIONAL_TO_ASCII, INTL_IDNA_VARIANT_UTS46); } else { - $idn = new Net_IDNA2(); - $result = checkdnsrr($idn->encode($hostName), 'A'); + $toAscii = idn_to_ascii($hostName); } - + $result = checkdnsrr($toAscii, 'A'); return $result; } } diff --git a/composer.json b/composer.json index ccfe625f1ef..61ee5fd76c1 100644 --- a/composer.json +++ b/composer.json @@ -22,7 +22,7 @@ "magento-hackathon/magento-composer-installer": "^3.1 || ^2.1 || ^4.0", "phpseclib/phpseclib": "^3.0.14", "phpseclib/mcrypt_compat": "^2.0.3", - "pear/net_idna2": "dev-master#d22f05df07622b7ec48ee9902ae701267182d920", + "symfony/polyfill-intl-idn": "^1.26", "colinmollenhour/cache-backend-redis": "^1.14", "colinmollenhour/magento-redis-session": "^3.0" }, diff --git a/composer.lock b/composer.lock index dc70d3b6b86..f859ad33613 100644 --- a/composer.lock +++ b/composer.lock @@ -4,7 +4,7 @@ "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies", "This file is @generated automatically" ], - "content-hash": "1ae700b30b8f558fc458a3b45789f6ed", + "content-hash": "d7e1de36deee605004800d7669e62a97", "packages": [ { "name": "colinmollenhour/cache-backend-redis", @@ -571,119 +571,6 @@ }, "time": "2020-10-15T08:29:30+00:00" }, - { - "name": "pear/net_idna2", - "version": "dev-master", - "source": { - "type": "git", - "url": "https://github.com/pear/Net_IDNA2.git", - "reference": "d22f05df07622b7ec48ee9902ae701267182d920" - }, - "dist": { - "type": "zip", - "url": "https://api.github.com/repos/pear/Net_IDNA2/zipball/d22f05df07622b7ec48ee9902ae701267182d920", - "reference": "d22f05df07622b7ec48ee9902ae701267182d920", - "shasum": "" - }, - "require": { - "pear/pear_exception": "^1.0.0" - }, - "require-dev": { - "phpunit/phpunit": "^4" - }, - "default-branch": true, - "type": "library", - "autoload": { - "psr-0": { - "Net": "./" - } - }, - "notification-url": "https://packagist.org/downloads/", - "include-path": [ - "./" - ], - "license": [ - "LGPL-2.1-or-later" - ], - "authors": [ - { - "name": "Stefan Neufeind", - "email": "pear.neufeind@speedpartner.de", - "role": "Lead" - }, - { - "name": "Daniel O'Connor", - "email": "daniel.oconnor@gmail.com", - "role": "Lead" - } - ], - "description": "Punycode encoding and decoding.", - "homepage": "https://pear.php.net/package/Net_IDNA2", - "support": { - "issues": "https://pear.php.net/bugs/search.php?cmd=display&package_name[]=Net_IDNA2", - "source": "https://github.com/pear/Net_IDNA2" - }, - "time": "2019-10-18T04:25:21+00:00" - }, - { - "name": "pear/pear_exception", - "version": "v1.0.2", - "source": { - "type": "git", - "url": "https://github.com/pear/PEAR_Exception.git", - "reference": "b14fbe2ddb0b9f94f5b24cf08783d599f776fff0" - }, - "dist": { - "type": 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"https://github.com/pear/PEAR_Exception" - }, - "time": "2021-03-21T15:43:46+00:00" - }, { "name": "phpseclib/mcrypt_compat", "version": "2.0.3", @@ -1243,6 +1130,93 @@ ], "time": "2022-05-24T11:49:31+00:00" }, + { + "name": "symfony/polyfill-intl-idn", + "version": "v1.26.0", + "source": { + "type": "git", + "url": "https://github.com/symfony/polyfill-intl-idn.git", + "reference": "59a8d271f00dd0e4c2e518104cc7963f655a1aa8" + }, + "dist": { + "type": "zip", + "url": "https://api.github.com/repos/symfony/polyfill-intl-idn/zipball/59a8d271f00dd0e4c2e518104cc7963f655a1aa8", + "reference": "59a8d271f00dd0e4c2e518104cc7963f655a1aa8", + "shasum": "" + }, + "require": { + "php": ">=7.1", + "symfony/polyfill-intl-normalizer": "^1.10", + "symfony/polyfill-php72": "^1.10" + }, + "suggest": { + "ext-intl": "For best performance" + }, + "type": "library", + "extra": { + "branch-alias": { + "dev-main": "1.26-dev" + }, + "thanks": { + "name": "symfony/polyfill", + "url": "https://github.com/symfony/polyfill" + } + }, + "autoload": { + "files": [ + "bootstrap.php" + ], + "psr-4": { + "Symfony\\Polyfill\\Intl\\Idn\\": "" + } + }, + "notification-url": "https://packagist.org/downloads/", + "license": [ + "MIT" + ], + "authors": [ + { + "name": "Laurent Bassin", + "email": "laurent@bassin.info" + }, + { + "name": "Trevor Rowbotham", + "email": "trevor.rowbotham@pm.me" + }, + { + "name": "Symfony Community", + "homepage": "https://symfony.com/contributors" + } + ], + "description": "Symfony polyfill for intl's idn_to_ascii and idn_to_utf8 functions", + "homepage": "https://symfony.com", + "keywords": [ + "compatibility", + "idn", + "intl", + "polyfill", + "portable", + "shim" + ], + "support": { + "source": "https://github.com/symfony/polyfill-intl-idn/tree/v1.26.0" + }, + "funding": [ + { + "url": "https://symfony.com/sponsor", + "type": "custom" + }, + { + "url": "https://github.com/fabpot", + "type": "github" + }, + { + "url": "https://tidelift.com/funding/github/packagist/symfony/symfony", + "type": "tidelift" + } + ], + "time": "2022-05-24T11:49:31+00:00" + }, { "name": "symfony/polyfill-intl-normalizer", "version": "v1.26.0", @@ -1410,6 +1384,82 @@ ], "time": "2022-05-24T11:49:31+00:00" }, + { + "name": "symfony/polyfill-php72", + "version": "v1.26.0", + "source": { + "type": "git", + "url": "https://github.com/symfony/polyfill-php72.git", + "reference": "bf44a9fd41feaac72b074de600314a93e2ae78e2" + }, + "dist": { + "type": "zip", + "url": "https://api.github.com/repos/symfony/polyfill-php72/zipball/bf44a9fd41feaac72b074de600314a93e2ae78e2", + "reference": "bf44a9fd41feaac72b074de600314a93e2ae78e2", + "shasum": "" + }, + "require": { + "php": ">=7.1" + }, + "type": "library", + "extra": { + "branch-alias": { + "dev-main": "1.26-dev" + }, + "thanks": { + "name": "symfony/polyfill", + "url": "https://github.com/symfony/polyfill" + } + }, + "autoload": { + "files": [ + "bootstrap.php" + ], + "psr-4": { + "Symfony\\Polyfill\\Php72\\": "" + } + }, + "notification-url": "https://packagist.org/downloads/", + "license": [ + "MIT" + ], + "authors": [ + { + "name": "Nicolas Grekas", + "email": "p@tchwork.com" + }, + { + "name": "Symfony Community", + "homepage": "https://symfony.com/contributors" + } + ], + "description": "Symfony polyfill backporting some PHP 7.2+ features to lower PHP versions", + "homepage": "https://symfony.com", + "keywords": [ + "compatibility", + "polyfill", + "portable", + "shim" + ], + "support": { + "source": "https://github.com/symfony/polyfill-php72/tree/v1.26.0" + }, + "funding": [ + { + "url": "https://symfony.com/sponsor", + "type": "custom" + }, + { + "url": "https://github.com/fabpot", + "type": "github" + }, + { + "url": "https://tidelift.com/funding/github/packagist/symfony/symfony", + "type": "tidelift" + } + ], + "time": "2022-05-24T11:49:31+00:00" + }, { "name": "symfony/polyfill-php73", "version": "v1.26.0", @@ -1841,9 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vendor/colinmollenhour/cache-backend-redis", + "rm -rf vendor/colinmollenhour/magento-redis-session", + "find vendor -iname '*.md' -delete" + ] } } diff --git a/composer.lock b/composer.lock index f859ad33613..2906c5475ec 100644 --- a/composer.lock +++ b/composer.lock @@ -4,7 +4,7 @@ "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies", "This file is @generated automatically" ], - "content-hash": "d7e1de36deee605004800d7669e62a97", + "content-hash": "85ac25049e6e5304c3d6322e0a60eb3f", "packages": [ { "name": "colinmollenhour/cache-backend-redis", From 1f6d90d0962613a1aec1a87e806a2742a9c50c93 Mon Sep 17 00:00:00 2001 From: Fabrizio Balliano Date: Tue, 16 Aug 2022 19:42:27 +0100 Subject: [PATCH 08/20] partial rollback --- composer.json | 9 +-------- composer.lock | 2 +- 2 files changed, 2 insertions(+), 9 deletions(-) diff --git a/composer.json b/composer.json index 4cdd0a7b2e4..71e08286270 100644 --- a/composer.json +++ b/composer.json @@ -68,19 +68,12 @@ }, "magento-root-dir": ".", "magento-deploystrategy": "copy", - "magento-force": true + "magento-deploystrategy-dev": "symlink" }, "config": { "allow-plugins": { "magento-hackathon/magento-composer-installer": true }, "sort-packages": true - }, - "scripts": { - "post-install-cmd": [ - "rm -rf vendor/colinmollenhour/cache-backend-redis", - "rm -rf vendor/colinmollenhour/magento-redis-session", - "find vendor -iname '*.md' -delete" - ] } } diff --git a/composer.lock b/composer.lock index 2906c5475ec..9b877be8335 100644 --- a/composer.lock +++ b/composer.lock @@ -4,7 +4,7 @@ "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies", "This file is @generated automatically" ], - "content-hash": "85ac25049e6e5304c3d6322e0a60eb3f", + "content-hash": "5a452a12786b22c67d1b01b663717674", "packages": [ { "name": "colinmollenhour/cache-backend-redis", From a06ba6a47c9e8c2c85a969650a6e8c9762db6a0a Mon Sep 17 00:00:00 2001 From: Fabrizio Balliano Date: 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00:00:00 2001 From: Fabrizio Balliano Date: Mon, 26 Sep 2022 14:02:47 +0100 Subject: [PATCH 13/20] Restored 1.9.4.x version --- app/code/core/Zend/Validate/Hostname.php | 26 +++++++++++++++--------- 1 file changed, 16 insertions(+), 10 deletions(-) diff --git a/app/code/core/Zend/Validate/Hostname.php b/app/code/core/Zend/Validate/Hostname.php index ed1b52b16ab..3e4efb57695 100644 --- a/app/code/core/Zend/Validate/Hostname.php +++ b/app/code/core/Zend/Validate/Hostname.php @@ -2247,8 +2247,8 @@ public function isValid($value) $status = false; $origenc = PHP_VERSION_ID < 50600 - ? iconv_get_encoding('internal_encoding') - : ini_get('default_charset'); + ? iconv_get_encoding('internal_encoding') + : ini_get('default_charset'); if (PHP_VERSION_ID < 50600) { iconv_set_encoding('internal_encoding', 'UTF-8'); } else { @@ -2317,7 +2317,7 @@ public function isValid($value) if ((strpos($domainPart, '-') === 0) || ((strlen($domainPart) > 2) && (strpos($domainPart, '-', 2) == 2) && (strpos($domainPart, '-', 3) == 3)) || (strpos($domainPart, '-') === (strlen($domainPart) - 1))) { - $this->_error(self::INVALID_DASH); + $this->_error(self::INVALID_DASH); $status = false; break 2; } @@ -2443,9 +2443,9 @@ protected function decodePunycode($encoded) for ($old_index = $index, $pos = 1, $key = 36; 1 ; $key += 36) { $hex = ord($encoded[$indexe++]); $digit = ($hex - 48 < 10) ? $hex - 22 - : (($hex - 65 < 26) ? $hex - 65 - : (($hex - 97 < 26) ? $hex - 97 - : 36)); + : (($hex - 65 < 26) ? $hex - 65 + : (($hex - 97 < 26) ? $hex - 97 + : 36)); $index += $digit * $pos; $tag = ($key <= $base) ? 1 : (($key >= $base + 26) ? 26 : ($key - $base)); @@ -2511,12 +2511,18 @@ protected function decodePunycode($encoded) */ protected function checkDnsRecords($hostName) { - if (defined('IDNA_NONTRANSITIONAL_TO_ASCII') && defined('INTL_IDNA_VARIANT_UTS46')) { - $toAscii = idn_to_ascii($hostName, IDNA_NONTRANSITIONAL_TO_ASCII, INTL_IDNA_VARIANT_UTS46); + if (function_exists('idn_to_ascii')) { + if (defined('IDNA_NONTRANSITIONAL_TO_ASCII') && defined('INTL_IDNA_VARIANT_UTS46')) { + $toAscii = idn_to_ascii($hostName, IDNA_NONTRANSITIONAL_TO_ASCII, INTL_IDNA_VARIANT_UTS46); + } else { + $toAscii = idn_to_ascii($hostName); + } + $result = checkdnsrr($toAscii, 'A'); } else { - $toAscii = idn_to_ascii($hostName); + $idn = new Net_IDNA2(); + $result = checkdnsrr($idn->encode($hostName), 'A'); } - $result = checkdnsrr($toAscii, 'A'); + return $result; } } From ae1adc47795bf0e6bcaeea8bf0f4cb995c1cc5af Mon Sep 17 00:00:00 2001 From: Fabrizio Balliano Date: Mon, 26 Sep 2022 14:04:06 +0100 Subject: [PATCH 14/20] Restored 1.9.4.x version --- app/code/core/Zend/Validate/Hostname.php | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/app/code/core/Zend/Validate/Hostname.php b/app/code/core/Zend/Validate/Hostname.php index 3e4efb57695..e6c4f1f303e 100644 --- a/app/code/core/Zend/Validate/Hostname.php +++ b/app/code/core/Zend/Validate/Hostname.php @@ -2247,8 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+++++++++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 204 insertions(+), 6 deletions(-) diff --git a/composer.json b/composer.json index 5a6b93930bc..18ca9a7210e 100644 --- a/composer.json +++ b/composer.json @@ -22,12 +22,13 @@ "ext-simplexml": "*", "ext-soap": "*", "ext-zlib": "*", - "magento-hackathon/magento-composer-installer": "^3.1 || ^2.1 || ^4.0", - "phpseclib/phpseclib": "^3.0.14", - "phpseclib/mcrypt_compat": "^2.0.3", "colinmollenhour/cache-backend-redis": "^1.14", "colinmollenhour/magento-redis-session": "^3.0", - "liborm85/composer-vendor-cleaner": "^1.7" + "liborm85/composer-vendor-cleaner": "^1.7", + "magento-hackathon/magento-composer-installer": "^3.1 || ^2.1 || ^4.0", + "pelago/emogrifier": "^6.0", + "phpseclib/mcrypt_compat": "^2.0.3", + "phpseclib/phpseclib": "^3.0.14" }, "require-dev": { "dealerdirect/phpcodesniffer-composer-installer": "^0.7.2", @@ -96,4 +97,4 @@ }, "sort-packages": true } -} \ No newline at end of file +} diff --git a/composer.lock b/composer.lock index 9a044a82fcb..98b4b156d9b 100644 --- a/composer.lock +++ b/composer.lock @@ -4,7 +4,7 @@ "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies", "This file is @generated automatically" ], - "content-hash": "9fb2db65781436ae1b5eb6d19a389839", + "content-hash": "739453c9f825eb6c3ac2725d8006d7ff", "packages": [ { "name": "colinmollenhour/cache-backend-redis", @@ -631,6 +631,84 @@ }, "time": "2020-10-15T08:29:30+00:00" }, + { + "name": "pelago/emogrifier", + "version": "v6.0.0", + "source": { + "type": "git", + "url": "https://github.com/MyIntervals/emogrifier.git", + "reference": "aa72d5407efac118f3896bcb995a2cba793df0ae" + }, + "dist": { + "type": "zip", + "url": "https://api.github.com/repos/MyIntervals/emogrifier/zipball/aa72d5407efac118f3896bcb995a2cba793df0ae", + "reference": "aa72d5407efac118f3896bcb995a2cba793df0ae", + "shasum": "" + }, + "require": { + "ext-dom": "*", + "ext-libxml": "*", + "php": "~7.2.0 || 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"homepage": "https://www.myintervals.com/emogrifier.php", + "keywords": [ + "css", + "email", + "pre-processing" + ], + "support": { + "issues": "https://github.com/MyIntervals/emogrifier/issues", + "source": "https://github.com/MyIntervals/emogrifier" + }, + "time": "2021-09-16T16:22:04+00:00" + }, { "name": "phpseclib/mcrypt_compat", "version": "2.0.3", @@ -857,6 +935,59 @@ }, "time": "2021-03-05T17:36:06+00:00" }, + { + "name": "sabberworm/php-css-parser", + "version": "8.4.0", + "source": { + "type": "git", + "url": "https://github.com/sabberworm/PHP-CSS-Parser.git", + "reference": "e41d2140031d533348b2192a83f02d8dd8a71d30" + }, + "dist": { + "type": "zip", + "url": "https://api.github.com/repos/sabberworm/PHP-CSS-Parser/zipball/e41d2140031d533348b2192a83f02d8dd8a71d30", + "reference": "e41d2140031d533348b2192a83f02d8dd8a71d30", + "shasum": "" + }, + "require": { + "ext-iconv": "*", + "php": ">=5.6.20" + }, + "require-dev": { + "codacy/coverage": "^1.4", + 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-1,818 +0,0 @@ - - */ -class Pelago_Emogrifier { - /** - * @var string - */ - const ENCODING = 'UTF-8'; - - /** - * @var integer - */ - const CACHE_KEY_CSS = 0; - - /** - * @var integer - */ - const CACHE_KEY_SELECTOR = 1; - - /** - * @var integer - */ - const CACHE_KEY_XPATH = 2; - - /** - * @var integer - */ - const CACHE_KEY_CSS_DECLARATION_BLOCK = 3; - - /** - * for calculating nth-of-type and nth-child selectors - * - * @var integer - */ - const INDEX = 0; - - /** - * for calculating nth-of-type and nth-child selectors - * - * @var integer - */ - const MULTIPLIER = 1; - - /** - * @var string - */ - const ID_ATTRIBUTE_MATCHER = '/(\\w+)?\\#([\\w\\-]+)/'; - - /** - * @var string - */ - const CLASS_ATTRIBUTE_MATCHER = '/(\\w+|[\\*\\]])?((\\.[\\w\\-]+)+)/'; - - /** - * @var string - */ - private $html = ''; - - /** - * @var string - */ - private $css = ''; - - /** - * @var bool - */ - private $parseInlineStyleTags = true; - - /** - * @var array - */ - private $unprocessableHtmlTags = array('wbr'); - - /** - * @var array - */ - private $caches = array( - self::CACHE_KEY_CSS => array(), - self::CACHE_KEY_SELECTOR => array(), - self::CACHE_KEY_XPATH => array(), - self::CACHE_KEY_CSS_DECLARATION_BLOCK => array(), - ); - - /** - * the visited nodes with the XPath paths as array keys - * - * @var array<\DOMNode> - */ - private $visitedNodes = array(); - - /** - * the styles to apply to the nodes with the XPath paths as array keys for the outer array and the attribute names/values - * as key/value pairs for the inner array - * - * @var array - */ - private $styleAttributesForNodes = array(); - - /** - * This attribute applies to the case where you want to preserve your original text encoding. - * - * By default, emogrifier translates your text into HTML entities for two reasons: - * - * 1. Because of client incompatibilities, it is better practice to send out HTML entities rather than unicode over email. - * - * 2. It translates any illegal XML characters that DOMDocument cannot work with. - * - * If you would like to preserve your original encoding, set this attribute to TRUE. - * - * @var boolean - */ - public $preserveEncoding = FALSE; - - /** - * The constructor. - * - * @param string $html the HTML to emogrify, must be UTF-8-encoded - * @param string $css the CSS to merge, must be UTF-8-encoded - */ - public function __construct($html = '', $css = '') { - $this->setHtml($html); - $this->setCss($css); - } - - /** - * The destructor. - */ - public function __destruct() { - $this->purgeVisitedNodes(); - } - - /** - * Sets the HTML to emogrify. - * - * @param string $html the HTML to emogrify, must be UTF-8-encoded - * - * @return void - */ - public function setHtml($html = '') { - $this->html = $html; - } - - /** - * Sets the CSS to merge with the HTML. - * - * @param string $css the CSS to merge, must be UTF-8-encoded - * - * @return void - */ - public function setCss($css = '') { - $this->css = $css; - } - - public function setParseInlineStyleTags($value) { - $this->parseInlineStyleTags = $value; - } - - /** - * Clears all caches. - * - * @return void - */ - private function clearAllCaches() { - $this->clearCache(self::CACHE_KEY_CSS); - $this->clearCache(self::CACHE_KEY_SELECTOR); - $this->clearCache(self::CACHE_KEY_XPATH); - $this->clearCache(self::CACHE_KEY_CSS_DECLARATION_BLOCK); - } - - /** - * Clears a single cache by key. - * - * @param integer $key the cache key, must be CACHE_KEY_CSS, CACHE_KEY_SELECTOR, CACHE_KEY_XPATH or CACHE_KEY_CSS_DECLARATION_BLOCK - * - * @return void - * - * @throws \InvalidArgumentException - */ - private function clearCache($key) { - $allowedCacheKeys = array(self::CACHE_KEY_CSS, self::CACHE_KEY_SELECTOR, self::CACHE_KEY_XPATH, self::CACHE_KEY_CSS_DECLARATION_BLOCK); - if (!in_array($key, $allowedCacheKeys, TRUE)) { - throw new \InvalidArgumentException('Invalid cache key: ' . $key, 1391822035); - } - - $this->caches[$key] = array(); - } - - /** - * Purges the visited nodes. - * - * @return void - */ - private function purgeVisitedNodes() { - $this->visitedNodes = array(); - $this->styleAttributesForNodes = array(); - } - - /** - * Marks a tag for removal. - * - * There are some HTML tags that DOMDocument cannot process, and it will throw an error if it encounters them. - * In particular, DOMDocument will complain if you try to use HTML5 tags in an XHTML document. - * - * Note: The tags will not be removed if they have any content. - * - * @param string $tagName the tag name, e.g., "p" - * - * @return void - */ - public function addUnprocessableHtmlTag($tagName) { - $this->unprocessableHtmlTags[] = $tagName; - } - - /** - * Drops a tag from the removal list. - * - * @param string $tagName the tag name, e.g., "p" - * - * @return void - */ - public function removeUnprocessableHtmlTag($tagName) { - $key = array_search($tagName, $this->unprocessableHtmlTags, TRUE); - if ($key !== FALSE) { - unset($this->unprocessableHtmlTags[$key]); - } - } - - /** - * Applies the CSS you submit to the HTML you submit. - * - * This method places the CSS inline. - * - * @return string - * - * @throws \BadMethodCallException - */ - public function emogrify() { - if ($this->html === '') { - throw new \BadMethodCallException('Please set some HTML first before calling emogrify.', 1390393096); - } - - $xmlDocument = $this->createXmlDocument(); - $xpath = new \DOMXPath($xmlDocument); - $this->clearAllCaches(); - - // before be begin processing the CSS file, parse the document and normalize all existing CSS attributes (changes 'DISPLAY: none' to 'display: none'); - // we wouldn't have to do this if DOMXPath supported XPath 2.0. - // also store a reference of nodes with existing inline styles so we don't overwrite them - $this->purgeVisitedNodes(); - - $nodesWithStyleAttributes = $xpath->query('//*[@style]'); - if ($nodesWithStyleAttributes !== FALSE) { - /** @var $nodeWithStyleAttribute \DOMNode */ - foreach ($nodesWithStyleAttributes as $node) { - $normalizedOriginalStyle = preg_replace_callback( - '/[A-z\\-]+(?=\\:)/S', - function (array $m) { - return strtolower($m[0]); - }, - $node->getAttribute('style') - ); - - // in order to not overwrite existing style attributes in the HTML, we have to save the original HTML styles - $nodePath = $node->getNodePath(); - if (!isset($this->styleAttributesForNodes[$nodePath])) { - $this->styleAttributesForNodes[$nodePath] = $this->parseCssDeclarationBlock($normalizedOriginalStyle); - $this->visitedNodes[$nodePath] = $node; - } - - $node->setAttribute('style', $normalizedOriginalStyle); - } - } - - // grab any existing style blocks from the html and append them to the existing CSS - // (these blocks should be appended so as to have precedence over conflicting styles in the existing CSS) - $allCss = $this->css; - - $allCss .= $this->getCssFromAllStyleNodes($xpath); - - $cssParts = $this->splitCssAndMediaQuery($allCss); - - $cssKey = md5($cssParts['css']); - if (!isset($this->caches[self::CACHE_KEY_CSS][$cssKey])) { - // process the CSS file for selectors and definitions - preg_match_all('/(?:^|[\\s^{}]*)([^{]+){([^}]*)}/mis', $cssParts['css'], $matches, PREG_SET_ORDER); - - $allSelectors = array(); - foreach ($matches as $key => $selectorString) { - // if there is a blank definition, skip - if (!strlen(trim($selectorString[2]))) { - continue; - } - - // else split by commas and duplicate attributes so we can sort by selector precedence - $selectors = explode(',', $selectorString[1]); - foreach ($selectors as $selector) { - // don't process pseudo-elements and behavioral (dynamic) pseudo-classes; ONLY allow structural pseudo-classes - if (strpos($selector, ':') !== FALSE && !preg_match('/:\\S+\\-(child|type)\\(/i', $selector)) { - continue; - } - - $allSelectors[] = array('selector' => trim($selector), - 'attributes' => trim($selectorString[2]), - // keep track of where it appears in the file, since order is important - 'line' => $key, - ); - } - } - - // now sort the selectors by precedence - usort($allSelectors, array($this,'sortBySelectorPrecedence')); - - $this->caches[self::CACHE_KEY_CSS][$cssKey] = $allSelectors; - } - - foreach ($this->caches[self::CACHE_KEY_CSS][$cssKey] as $value) { - // query the body for the xpath selector - $nodesMatchingCssSelectors = $xpath->query($this->translateCssToXpath($value['selector'])); - - /** @var $node \DOMNode */ - foreach ($nodesMatchingCssSelectors as $node) { - // if it has a style attribute, get it, process it, and append (overwrite) new stuff - if ($node->hasAttribute('style')) { - // break it up into an associative array - $oldStyleDeclarations = $this->parseCssDeclarationBlock($node->getAttribute('style')); - } else { - $oldStyleDeclarations = array(); - } - $newStyleDeclarations = $this->parseCssDeclarationBlock($value['attributes']); - $node->setAttribute('style', $this->generateStyleStringFromDeclarationsArrays($oldStyleDeclarations, $newStyleDeclarations)); - } - } - - // now iterate through the nodes that contained inline styles in the original HTML - foreach ($this->styleAttributesForNodes as $nodePath => $styleAttributesForNode) { - $node = $this->visitedNodes[$nodePath]; - $currentStyleAttributes = $this->parseCssDeclarationBlock($node->getAttribute('style')); - $node->setAttribute('style', $this->generateStyleStringFromDeclarationsArrays($currentStyleAttributes, $styleAttributesForNode)); - } - - // This removes styles from your email that contain display:none. - // We need to look for display:none, but we need to do a case-insensitive search. Since DOMDocument only supports XPath 1.0, - // lower-case() isn't available to us. We've thus far only set attributes to lowercase, not attribute values. Consequently, we need - // to translate() the letters that would be in 'NONE' ("NOE") to lowercase. - $nodesWithStyleDisplayNone = $xpath->query('//*[contains(translate(translate(@style," ",""),"NOE","noe"),"display:none")]'); - // The checks on parentNode and is_callable below ensure that if we've deleted the parent node, - // we don't try to call removeChild on a nonexistent child node - if ($nodesWithStyleDisplayNone->length > 0) { - /** @var $node \DOMNode */ - foreach ($nodesWithStyleDisplayNone as $node) { - if ($node->parentNode && is_callable(array($node->parentNode,'removeChild'))) { - $node->parentNode->removeChild($node); - } - } - } - - $this->copyCssWithMediaToStyleNode($cssParts, $xmlDocument); - - if ($this->preserveEncoding) { - return mb_convert_encoding($xmlDocument->saveHTML(), self::ENCODING, 'HTML-ENTITIES'); - } else { - return $xmlDocument->saveHTML(); - } - } - - - /** - * This method merges old or existing name/value array with new name/value array - * and then generates a string of the combined style suitable for placing inline. - * This becomes the single point for CSS string generation allowing for consistent - * CSS output no matter where the CSS originally came from. - * @param array $oldStyles - * @param array $newStyles - * @return string - */ - private function generateStyleStringFromDeclarationsArrays(array $oldStyles, array $newStyles) { - $combinedStyles = array_merge($oldStyles, $newStyles); - $style = ''; - foreach ($combinedStyles as $attributeName => $attributeValue) { - $style .= (strtolower(trim($attributeName)) . ': ' . trim($attributeValue) . '; '); - } - return trim($style); - } - - - /** - * Copies the media part from CSS array parts to $xmlDocument. - * - * @param array $cssParts - * @param \DOMDocument $xmlDocument - * @return void - */ - public function copyCssWithMediaToStyleNode(array $cssParts, \DOMDocument $xmlDocument) { - if (isset($cssParts['media']) && $cssParts['media'] !== '') { - $this->addStyleElementToDocument($xmlDocument, $cssParts['media']); - } - } - - /** - * Returns CSS content. - * - * @param \DOMXPath $xpath - * @return string - */ - private function getCssFromAllStyleNodes(\DOMXPath $xpath) { - - if (!$this->parseInlineStyleTags) { - return ''; - } - - $styleNodes = $xpath->query('//style'); - - if ($styleNodes === FALSE) { - return ''; - } - - $css = ''; - /** @var $styleNode \DOMNode */ - foreach ($styleNodes as $styleNode) { - $css .= "\n\n" . $styleNode->nodeValue; - $styleNode->parentNode->removeChild($styleNode); - } - - return $css; - } - - /** - * Adds a style element with $css to $document. - * - * @param \DOMDocument $document - * @param string $css - * @return void - */ - private function addStyleElementToDocument(\DOMDocument $document, $css) { - $styleElement = $document->createElement('style', $css); - $styleAttribute = $document->createAttribute('type'); - $styleAttribute->value = 'text/css'; - $styleElement->appendChild($styleAttribute); - - $head = $this->getOrCreateHeadElement($document); - $head->appendChild($styleElement); - } - - /** - * Returns the existing or creates a new head element in $document. - * - * @param \DOMDocument $document - * @return \DOMNode the head element - */ - private function getOrCreateHeadElement(\DOMDocument $document) { - $head = $document->getElementsByTagName('head')->item(0); - - if ($head === NULL) { - $head = $document->createElement('head'); - $html = $document->getElementsByTagName('html')->item(0); - $html->insertBefore($head, $document->getElementsByTagName('body')->item(0)); - } - - return $head; - } - - /** - * Splits input CSS code to an array where: - * - * - key "css" will be contains clean CSS code - * - key "media" will be contains all valuable media queries - * - * Example: - * - * The CSS code - * - * "@import "file.css"; h1 { color:red; } @media { h1 {}} @media tv { h1 {}}" - * - * will be parsed into the following array: - * - * "css" => "h1 { color:red; }" - * "media" => "@media { h1 {}}" - * - * @param string $css - * @return array - */ - private function splitCssAndMediaQuery($css) { - $media = ''; - - $css = preg_replace_callback( - '#@media\\s+(?:only\\s)?(?:[\\s{\(]|screen|all)\\s?[^{]+{.*}\\s*}\\s*#misU', - function($matches) use (&$media) { - $media .= $matches[0]; - }, $css - ); - - // filter the CSS - $search = array( - // get rid of css comment code - '/\\/\\*.*\\*\\//sU', - // strip out any import directives - '/^\\s*@import\\s[^;]+;/misU', - // strip remains media enclosures - '/^\\s*@media\\s[^{]+{(.*)}\\s*}\\s/misU', - ); - - $replace = array( - '', - '', - '', - ); - - // clean CSS before output - $css = preg_replace($search, $replace, $css); - - return array('css' => $css, 'media' => $media); - } - - /** - * Creates a DOMDocument instance with the current HTML. - * - * @return \DOMDocument - */ - private function createXmlDocument() { - $xmlDocument = new \DOMDocument; - $xmlDocument->encoding = self::ENCODING; - $xmlDocument->strictErrorChecking = FALSE; - $xmlDocument->formatOutput = TRUE; - $libXmlState = libxml_use_internal_errors(TRUE); - $xmlDocument->loadHTML($this->getUnifiedHtml()); - libxml_clear_errors(); - libxml_use_internal_errors($libXmlState); - $xmlDocument->normalizeDocument(); - - return $xmlDocument; - } - - /** - * Returns the HTML with the non-ASCII characters converts into HTML entities and the unprocessable HTML tags removed. - * - * @return string the unified HTML - * - * @throws \BadMethodCallException - */ - private function getUnifiedHtml() { - if (!empty($this->unprocessableHtmlTags)) { - $unprocessableHtmlTags = implode('|', $this->unprocessableHtmlTags); - $bodyWithoutUnprocessableTags = preg_replace('/<\\/?(' . $unprocessableHtmlTags . ')[^>]*>/i', '', $this->html); - } else { - $bodyWithoutUnprocessableTags = $this->html; - } - - return mb_convert_encoding($bodyWithoutUnprocessableTags, 'HTML-ENTITIES', self::ENCODING); - } - - /** - * @param array $a - * @param array $b - * - * @return integer - */ - private function sortBySelectorPrecedence(array $a, array $b) { - $precedenceA = $this->getCssSelectorPrecedence($a['selector']); - $precedenceB = $this->getCssSelectorPrecedence($b['selector']); - - // We want these sorted in ascending order so selectors with lesser precedence get processed first and - // selectors with greater precedence get sorted last. - // The parenthesis around the -1 are necessary to avoid a PHP_CodeSniffer warning about missing spaces around - // arithmetic operators. - // @see http://forge.typo3.org/issues/55605 - $precedenceForEquals = ($a['line'] < $b['line'] ? (-1) : 1); - $precedenceForNotEquals = ($precedenceA < $precedenceB ? (-1) : 1); - return ($precedenceA === $precedenceB) ? $precedenceForEquals : $precedenceForNotEquals; - } - - /** - * @param string $selector - * - * @return integer - */ - private function getCssSelectorPrecedence($selector) { - $selectorKey = md5($selector); - if (!isset($this->caches[self::CACHE_KEY_SELECTOR][$selectorKey])) { - $precedence = 0; - $value = 100; - // ids: worth 100, classes: worth 10, elements: worth 1 - $search = array('\\#','\\.',''); - - foreach ($search as $s) { - if (trim($selector == '')) { - break; - } - $number = 0; - $selector = preg_replace('/' . $s . '\\w+/', '', $selector, -1, $number); - $precedence += ($value * $number); - $value /= 10; - } - $this->caches[self::CACHE_KEY_SELECTOR][$selectorKey] = $precedence; - } - - return $this->caches[self::CACHE_KEY_SELECTOR][$selectorKey]; - } - - /** - * Right now, we support all CSS 1 selectors and most CSS2/3 selectors. - * - * @see http://plasmasturm.org/log/444/ - * - * @param string $paramCssSelector - * - * @return string - */ - private function translateCssToXpath($paramCssSelector) { - $cssSelector = ' ' . $paramCssSelector . ' '; - $cssSelector = preg_replace_callback('/\s+\w+\s+/', - function(array $matches) { - return strtolower($matches[0]); - }, - $cssSelector - ); - $cssSelector = trim($cssSelector); - $xpathKey = md5($cssSelector); - if (!isset($this->caches[self::CACHE_KEY_XPATH][$xpathKey])) { - // returns an Xpath selector - $search = array( - // Matches any element that is a child of parent. - '/\\s+>\\s+/', - // Matches any element that is an adjacent sibling. - '/\\s+\\+\\s+/', - // Matches any element that is a descendant of an parent element element. - '/\\s+/', - // first-child pseudo-selector - '/([^\\/]+):first-child/i', - // last-child pseudo-selector - '/([^\\/]+):last-child/i', - // Matches attribute only selector - '/^\\[(\\w+)\\]/', - // Matches element with attribute - '/(\\w)\\[(\\w+)\\]/', - // Matches element with EXACT attribute - '/(\\w)\\[(\\w+)\\=[\'"]?(\\w+)[\'"]?\\]/', - ); - $replace = array( - '/', - '/following-sibling::*[1]/self::', - '//', - '*[1]/self::\\1', - '*[last()]/self::\\1', - '*[@\\1]', - '\\1[@\\2]', - '\\1[@\\2="\\3"]', - ); - - $cssSelector = '//' . preg_replace($search, $replace, $cssSelector); - - $cssSelector = preg_replace_callback(self::ID_ATTRIBUTE_MATCHER, array($this, 'matchIdAttributes'), $cssSelector); - $cssSelector = preg_replace_callback(self::CLASS_ATTRIBUTE_MATCHER, array($this, 'matchClassAttributes'), $cssSelector); - - // Advanced selectors are going to require a bit more advanced emogrification. - // When we required PHP 5.3, we could do this with closures. - $cssSelector = preg_replace_callback( - '/([^\\/]+):nth-child\\(\s*(odd|even|[+\-]?\\d|[+\\-]?\\d?n(\\s*[+\\-]\\s*\\d)?)\\s*\\)/i', - array($this, 'translateNthChild'), $cssSelector - ); - $cssSelector = preg_replace_callback( - '/([^\\/]+):nth-of-type\\(\s*(odd|even|[+\-]?\\d|[+\\-]?\\d?n(\\s*[+\\-]\\s*\\d)?)\\s*\\)/i', - array($this, 'translateNthOfType'), $cssSelector - ); - - $this->caches[self::CACHE_KEY_SELECTOR][$xpathKey] = $cssSelector; - } - return $this->caches[self::CACHE_KEY_SELECTOR][$xpathKey]; - } - - /** - * @param array $match - * - * @return string - */ - private function matchIdAttributes(array $match) { - return (strlen($match[1]) ? $match[1] : '*') . '[@id="' . $match[2] . '"]'; - } - - /** - * @param array $match - * - * @return string - */ - private function matchClassAttributes(array $match) { - return (strlen($match[1]) ? $match[1] : '*') . '[contains(concat(" ",@class," "),concat(" ","' . - implode( - '"," "))][contains(concat(" ",@class," "),concat(" ","', - explode('.', substr($match[2], 1)) - ) . '"," "))]'; - } - - /** - * @param array $match - * - * @return string - */ - private function translateNthChild(array $match) { - $result = $this->parseNth($match); - - if (isset($result[self::MULTIPLIER])) { - if ($result[self::MULTIPLIER] < 0) { - $result[self::MULTIPLIER] = abs($result[self::MULTIPLIER]); - return sprintf('*[(last() - position()) mod %u = %u]/self::%s', $result[self::MULTIPLIER], $result[self::INDEX], $match[1]); - } else { - return sprintf('*[position() mod %u = %u]/self::%s', $result[self::MULTIPLIER], $result[self::INDEX], $match[1]); - } - } else { - return sprintf('*[%u]/self::%s', $result[self::INDEX], $match[1]); - } - } - - /** - * @param array $match - * - * @return string - */ - private function translateNthOfType(array $match) { - $result = $this->parseNth($match); - - if (isset($result[self::MULTIPLIER])) { - if ($result[self::MULTIPLIER] < 0) { - $result[self::MULTIPLIER] = abs($result[self::MULTIPLIER]); - return sprintf('%s[(last() - position()) mod %u = %u]', $match[1], $result[self::MULTIPLIER], $result[self::INDEX]); - } else { - return sprintf('%s[position() mod %u = %u]', $match[1], $result[self::MULTIPLIER], $result[self::INDEX]); - } - } else { - return sprintf('%s[%u]', $match[1], $result[self::INDEX]); - } - } - - /** - * @param array $match - * - * @return array - */ - private function parseNth(array $match) { - if (in_array(strtolower($match[2]), array('even','odd'))) { - $index = strtolower($match[2]) == 'even' ? 0 : 1; - return array(self::MULTIPLIER => 2, self::INDEX => $index); - } elseif (stripos($match[2], 'n') === FALSE) { - // if there is a multiplier - $index = intval(str_replace(' ', '', $match[2])); - return array(self::INDEX => $index); - } else { - if (isset($match[3])) { - $multipleTerm = str_replace($match[3], '', $match[2]); - $index = intval(str_replace(' ', '', $match[3])); - } else { - $multipleTerm = $match[2]; - $index = 0; - } - - $multiplier = str_ireplace('n', '', $multipleTerm); - - if (!strlen($multiplier)) { - $multiplier = 1; - } elseif ($multiplier == 0) { - return array(self::INDEX => $index); - } else { - $multiplier = intval($multiplier); - } - - while ($index < 0) { - $index += abs($multiplier); - } - - return array(self::MULTIPLIER => $multiplier, self::INDEX => $index); - } - } - - /** - * Parses a CSS declaration block into property name/value pairs. - * - * Example: - * - * The declaration block - * - * "color: #000; font-weight: bold;" - * - * will be parsed into the following array: - * - * "color" => "#000" - * "font-weight" => "bold" - * - * @param string $cssDeclarationBlock the CSS declaration block without the curly braces, may be empty - * - * @return array the CSS declarations with the property names as array keys and the property values as array values - */ - private function parseCssDeclarationBlock($cssDeclarationBlock) { - if (isset($this->caches[self::CACHE_KEY_CSS_DECLARATION_BLOCK][$cssDeclarationBlock])) { - return $this->caches[self::CACHE_KEY_CSS_DECLARATION_BLOCK][$cssDeclarationBlock]; - } - - $properties = array(); - $declarations = explode(';', $cssDeclarationBlock); - foreach ($declarations as $declaration) { - $matches = array(); - if (!preg_match('/ *([A-Za-z\\-]+) *: *([^;]+) */', $declaration, $matches)) { - continue; - } - $propertyName = strtolower($matches[1]); - $propertyValue = $matches[2]; - $properties[$propertyName] = $propertyValue; - } - $this->caches[self::CACHE_KEY_CSS_DECLARATION_BLOCK][$cssDeclarationBlock] = $properties; - - return $properties; - } -} From 038c44507801ae231fd7d7e93a4a724bb9f23eeb Mon Sep 17 00:00:00 2001 From: Fabrizio Balliano Date: Tue, 27 Sep 2022 23:57:45 +0100 Subject: [PATCH 18/20] Updated Emogrifier syntax for 6.0 --- .../core/Mage/Core/Model/Email/Template/Abstract.php | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/app/code/core/Mage/Core/Model/Email/Template/Abstract.php b/app/code/core/Mage/Core/Model/Email/Template/Abstract.php index 71752fe271b..9744b2ee830 100644 --- a/app/code/core/Mage/Core/Model/Email/Template/Abstract.php +++ b/app/code/core/Mage/Core/Model/Email/Template/Abstract.php @@ -196,13 +196,10 @@ protected function _applyInlineCss($html) // Only run Emogrify if HTML exists if (strlen($html) && $inlineCssFile) { $cssToInline = $this->_getCssFileContent($inlineCssFile); - $emogrifier = new Pelago_Emogrifier(); - $emogrifier->setHtml($html); - $emogrifier->setCss($cssToInline); - // Don't parse inline