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ssl.cmake
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# Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# We support different versions of SSL:
# - "bundled" uses source code in <source dir>/extra/yassl
# - "system" (typically) uses headers/libraries in /usr/lib and /usr/lib64
# - a custom installation of openssl can be used like this
# - cmake -DCMAKE_PREFIX_PATH=</path/to/custom/openssl> -DWITH_SSL="system"
# or
# - cmake -DWITH_SSL=</path/to/custom/openssl>
#
# The default value for WITH_SSL is "bundled"
# set in cmake/build_configurations/feature_set.cmake
#
# For custom build/install of openssl, see the accompanying README and
# INSTALL* files. When building with gcc, you must build the shared libraries
# (in addition to the static ones):
# ./config --prefix=</path/to/custom/openssl> --shared; make; make install
# On some platforms (mac) you need to choose 32/64 bit architecture.
# Build/Install of openssl on windows is slightly different: you need to run
# perl and nmake. You might also need to
# 'set path=</path/to/custom/openssl>\bin;%PATH%
# in order to find the .dll files at runtime.
SET(WITH_SSL_DOC "bundled (use yassl)")
SET(WITH_SSL_DOC
"${WITH_SSL_DOC}, yes (prefer os library if present, otherwise use bundled)")
SET(WITH_SSL_DOC
"${WITH_SSL_DOC}, system (use os library)")
SET(WITH_SSL_DOC
"${WITH_SSL_DOC}, </path/to/custom/installation>")
MACRO (CHANGE_SSL_SETTINGS string)
SET(WITH_SSL ${string} CACHE STRING ${WITH_SSL_DOC} FORCE)
ENDMACRO()
MACRO (MYSQL_USE_BUNDLED_SSL)
SET(INC_DIRS
${CMAKE_SOURCE_DIR}/extra/yassl/include
${CMAKE_SOURCE_DIR}/extra/yassl/taocrypt/include
)
SET(SSL_LIBRARIES yassl taocrypt)
SET(SSL_INCLUDE_DIRS ${INC_DIRS})
SET(SSL_INTERNAL_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/extra/yassl/taocrypt/mySTL)
SET(SSL_DEFINES "-DHAVE_YASSL -DYASSL_PREFIX -DHAVE_OPENSSL -DMULTI_THREADED")
CHANGE_SSL_SETTINGS("bundled")
ADD_SUBDIRECTORY(extra/yassl)
ADD_SUBDIRECTORY(extra/yassl/taocrypt)
GET_TARGET_PROPERTY(src yassl SOURCES)
FOREACH(file ${src})
SET(SSL_SOURCES ${SSL_SOURCES} ${CMAKE_SOURCE_DIR}/extra/yassl/${file})
ENDFOREACH()
GET_TARGET_PROPERTY(src taocrypt SOURCES)
FOREACH(file ${src})
SET(SSL_SOURCES ${SSL_SOURCES}
${CMAKE_SOURCE_DIR}/extra/yassl/taocrypt/${file})
ENDFOREACH()
ENDMACRO()
# MYSQL_CHECK_SSL
#
# Provides the following configure options:
# WITH_SSL=[yes|bundled|system|<path/to/custom/installation>]
MACRO (MYSQL_CHECK_SSL)
IF(NOT WITH_SSL)
IF(WIN32)
CHANGE_SSL_SETTINGS("bundled")
ELSE()
SET(WITH_SSL "yes")
ENDIF()
ENDIF()
# See if WITH_SSL is of the form </path/to/custom/installation>
FILE(GLOB WITH_SSL_HEADER ${WITH_SSL}/include/openssl/ssl.h)
IF (WITH_SSL_HEADER)
SET(WITH_SSL_PATH ${WITH_SSL} CACHE PATH "path to custom SSL installation")
ENDIF()
IF(WITH_SSL STREQUAL "bundled")
MYSQL_USE_BUNDLED_SSL()
# Reset some variables, in case we switch from /path/to/ssl to "bundled".
IF (WITH_SSL_PATH)
UNSET(WITH_SSL_PATH)
UNSET(WITH_SSL_PATH CACHE)
ENDIF()
IF (OPENSSL_ROOT_DIR)
UNSET(OPENSSL_ROOT_DIR)
UNSET(OPENSSL_ROOT_DIR CACHE)
ENDIF()
IF (OPENSSL_INCLUDE_DIR)
UNSET(OPENSSL_INCLUDE_DIR)
UNSET(OPENSSL_INCLUDE_DIR CACHE)
ENDIF()
IF (WIN32 AND OPENSSL_APPLINK_C)
UNSET(OPENSSL_APPLINK_C)
UNSET(OPENSSL_APPLINK_C CACHE)
ENDIF()
IF (OPENSSL_LIBRARIES)
UNSET(OPENSSL_LIBRARIES)
UNSET(OPENSSL_LIBRARIES CACHE)
ENDIF()
ELSEIF(WITH_SSL STREQUAL "system" OR
WITH_SSL STREQUAL "yes" OR
WITH_SSL_PATH
)
# First search in WITH_SSL_PATH.
FIND_PATH(OPENSSL_ROOT_DIR
NAMES include/openssl/ssl.h
NO_CMAKE_PATH
NO_CMAKE_ENVIRONMENT_PATH
HINTS ${WITH_SSL_PATH}
)
# Then search in standard places (if not found above).
FIND_PATH(OPENSSL_ROOT_DIR
NAMES include/openssl/ssl.h
)
FIND_PATH(OPENSSL_INCLUDE_DIR
NAMES openssl/ssl.h
HINTS ${OPENSSL_ROOT_DIR}/include
)
IF (WIN32)
FIND_FILE(OPENSSL_APPLINK_C
NAMES openssl/applink.c
HINTS ${OPENSSL_ROOT_DIR}/include
)
MESSAGE(STATUS "OPENSSL_APPLINK_C ${OPENSSL_APPLINK_C}")
ENDIF()
# On mac this list is <.dylib;.so;.a>
# We prefer static libraries, so we revert it here.
IF (WITH_SSL_PATH)
LIST(REVERSE CMAKE_FIND_LIBRARY_SUFFIXES)
ENDIF()
MESSAGE(STATUS "suffixes <${CMAKE_FIND_LIBRARY_SUFFIXES}>")
FIND_LIBRARY(OPENSSL_LIBRARIES
NAMES ssl ssleay32 ssleay32MD
HINTS ${OPENSSL_ROOT_DIR}/lib)
FIND_LIBRARY(CRYPTO_LIBRARY
NAMES crypto libeay32
HINTS ${OPENSSL_ROOT_DIR}/lib)
IF (WITH_SSL_PATH)
LIST(REVERSE CMAKE_FIND_LIBRARY_SUFFIXES)
ENDIF()
# Verify version number. Version information looks like:
# #define OPENSSL_VERSION_NUMBER 0x1000103fL
# Encoded as MNNFFPPS: major minor fix patch status
FILE(STRINGS "${OPENSSL_INCLUDE_DIR}/openssl/opensslv.h"
OPENSSL_VERSION_NUMBER
REGEX "^#define[\t ]+OPENSSL_VERSION_NUMBER[\t ]+0x[0-9].*"
)
STRING(REGEX REPLACE
"^.*OPENSSL_VERSION_NUMBER[\t ]+0x([0-9]).*$" "\\1"
OPENSSL_MAJOR_VERSION "${OPENSSL_VERSION_NUMBER}"
)
IF(OPENSSL_INCLUDE_DIR AND
OPENSSL_LIBRARIES AND
CRYPTO_LIBRARY
)
SET(OPENSSL_FOUND TRUE)
ELSE()
SET(OPENSSL_FOUND FALSE)
ENDIF()
MESSAGE(STATUS "OPENSSL_INCLUDE_DIR = ${OPENSSL_INCLUDE_DIR}")
MESSAGE(STATUS "OPENSSL_LIBRARIES = ${OPENSSL_LIBRARIES}")
MESSAGE(STATUS "CRYPTO_LIBRARY = ${CRYPTO_LIBRARY}")
MESSAGE(STATUS "OPENSSL_MAJOR_VERSION = ${OPENSSL_MAJOR_VERSION}")
INCLUDE(CheckSymbolExists)
SET(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR})
CHECK_SYMBOL_EXISTS(SHA512_DIGEST_LENGTH "openssl/sha.h"
HAVE_SHA512_DIGEST_LENGTH)
IF(OPENSSL_FOUND AND HAVE_SHA512_DIGEST_LENGTH)
SET(SSL_SOURCES "")
SET(SSL_LIBRARIES ${OPENSSL_LIBRARIES} ${CRYPTO_LIBRARY})
IF(CMAKE_SYSTEM_NAME MATCHES "SunOS")
SET(SSL_LIBRARIES ${SSL_LIBRARIES} ${LIBSOCKET})
ENDIF()
IF(CMAKE_SYSTEM_NAME MATCHES "Linux")
SET(SSL_LIBRARIES ${SSL_LIBRARIES} ${LIBDL})
ENDIF()
MESSAGE(STATUS "SSL_LIBRARIES = ${SSL_LIBRARIES}")
SET(SSL_INCLUDE_DIRS ${OPENSSL_INCLUDE_DIR})
SET(SSL_INTERNAL_INCLUDE_DIRS "")
SET(SSL_DEFINES "-DHAVE_OPENSSL")
ELSE()
IF(WITH_SSL STREQUAL "system")
MESSAGE(SEND_ERROR "Cannot find appropriate system libraries for SSL. Use WITH_SSL=bundled to enable SSL support")
ENDIF()
MYSQL_USE_BUNDLED_SSL()
ENDIF()
ELSE()
MESSAGE(SEND_ERROR
"Wrong option for WITH_SSL. Valid values are: ${WITH_SSL_DOC}")
ENDIF()
ENDMACRO()
# Many executables will depend on libeay32.dll and ssleay32.dll at runtime.
# In order to ensure we find the right version(s), we copy them into
# the same directory as the executables.
# NOTE: Using dlls will likely crash in malloc/free,
# see INSTALL.W32 which comes with the openssl sources.
# So we should be linking static versions of the libraries.
MACRO (COPY_OPENSSL_DLLS target_name)
IF (WIN32 AND WITH_SSL_PATH)
GET_FILENAME_COMPONENT(CRYPTO_NAME "${CRYPTO_LIBRARY}" NAME_WE)
GET_FILENAME_COMPONENT(OPENSSL_NAME "${OPENSSL_LIBRARIES}" NAME_WE)
FILE(GLOB HAVE_CRYPTO_DLL "${WITH_SSL_PATH}/bin/${CRYPTO_NAME}.dll")
FILE(GLOB HAVE_OPENSSL_DLL "${WITH_SSL_PATH}/bin/${OPENSSL_NAME}.dll")
IF (HAVE_CRYPTO_DLL AND HAVE_OPENSSL_DLL)
ADD_CUSTOM_COMMAND(OUTPUT ${target_name}
COMMAND ${CMAKE_COMMAND} -E copy_if_different
"${WITH_SSL_PATH}/bin/${CRYPTO_NAME}.dll"
"${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${CRYPTO_NAME}.dll"
COMMAND ${CMAKE_COMMAND} -E copy_if_different
"${WITH_SSL_PATH}/bin/${OPENSSL_NAME}.dll"
"${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${OPENSSL_NAME}.dll"
)
ADD_CUSTOM_TARGET(${target_name} ALL)
ENDIF()
ENDIF()
ENDMACRO()