Initial rewrite of X509 STORE to replicate openssl behavior

src/ssl.c

@@ -5535,13 +5535,15 @@ int AddCA(WOLFSSL_CERT_MANAGER* cm, DerBuffer** pDer, int type, int verify)
         }
     }
 
-    if (ret == 0 && cert->isCA == 0 && type != WOLFSSL_USER_CA) {
+    if (ret == 0 && cert->isCA == 0 && type != WOLFSSL_USER_CA &&
+        type != WOLFSSL_TEMP_CA) {
         WOLFSSL_MSG("\tCan't add as CA if not actually one");
         ret = NOT_CA_ERROR;
     }
 #ifndef ALLOW_INVALID_CERTSIGN
     else if (ret == 0 && cert->isCA == 1 && type != WOLFSSL_USER_CA &&
-        !cert->selfSigned && (cert->extKeyUsage & KEYUSE_KEY_CERT_SIGN) == 0) {
+        type != WOLFSSL_TEMP_CA && !cert->selfSigned &&
+        (cert->extKeyUsage & KEYUSE_KEY_CERT_SIGN) == 0) {
         /* Intermediate CA certs are required to have the keyCertSign
         * extension set. User loaded root certs are not. */
         WOLFSSL_MSG("\tDoesn't have key usage certificate signing");

src/ssl_certman.c

@@ -455,11 +455,12 @@ int wolfSSL_CertManagerUnloadCAs(WOLFSSL_CERT_MANAGER* cm)
     return ret;
 }
 
-int wolfSSL_CertManagerUnloadIntermediateCerts(WOLFSSL_CERT_MANAGER* cm)
+static int wolfSSL_CertManagerUnloadIntermediateCertsEx(
+                                WOLFSSL_CERT_MANAGER* cm, byte type)
 {
     int ret = WOLFSSL_SUCCESS;
 
-    WOLFSSL_ENTER("wolfSSL_CertManagerUnloadIntermediateCerts");
+    WOLFSSL_ENTER("wolfSSL_CertManagerUnloadIntermediateCertsEx");
 
     /* Validate parameter. */
     if (cm == NULL) {
@@ -471,7 +472,7 @@ int wolfSSL_CertManagerUnloadIntermediateCerts(WOLFSSL_CERT_MANAGER* cm)
     }
     if (ret == WOLFSSL_SUCCESS) {
         /* Dispose of CA table. */
-        FreeSignerTableType(cm->caTable, CA_TABLE_SIZE, WOLFSSL_CHAIN_CA,
+        FreeSignerTableType(cm->caTable, CA_TABLE_SIZE, type,
                 cm->heap);
 
         /* Unlock CA table. */
@@ -481,6 +482,22 @@ int wolfSSL_CertManagerUnloadIntermediateCerts(WOLFSSL_CERT_MANAGER* cm)
     return ret;
 }
 
+#if defined(OPENSSL_EXTRA)
+static int wolfSSL_CertManagerUnloadTempIntermediateCerts(
+    WOLFSSL_CERT_MANAGER* cm)
+{
+    WOLFSSL_ENTER("wolfSSL_CertManagerUnloadTempIntermediateCerts");
+    return wolfSSL_CertManagerUnloadIntermediateCertsEx(cm, WOLFSSL_TEMP_CA);
+}
+#endif
+
+int wolfSSL_CertManagerUnloadIntermediateCerts(
+    WOLFSSL_CERT_MANAGER* cm)
+{
+    WOLFSSL_ENTER("wolfSSL_CertManagerUnloadIntermediateCerts");
+    return wolfSSL_CertManagerUnloadIntermediateCertsEx(cm, WOLFSSL_CHAIN_CA);
+}
+
 #ifdef WOLFSSL_TRUST_PEER_CERT
 /* Unload the trusted peers table.
  *

src/x509.c

@@ -5559,7 +5559,7 @@ WOLFSSL_EVP_PKEY* wolfSSL_X509_get_pubkey(WOLFSSL_X509* x509)
  * size of this subset and its memory usage */
 #endif /* OPENSSL_EXTRA_X509_SMALL || KEEP_PEER_CERT || SESSION_CERTS */
 
-#if defined(OPENSSL_ALL)
+#if defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA)
 /*
  * Converts a and b to DER and then does an XMEMCMP to check if they match.
  * Returns 0 when certificates match and WOLFSSL_FATAL_ERROR when they don't.
@@ -7536,7 +7536,6 @@ int wolfSSL_X509_LOOKUP_load_file(WOLFSSL_X509_LOOKUP* lookup,
     byte*         pem = NULL;
     byte*         curr = NULL;
     byte*         prev = NULL;
-    WOLFSSL_X509* x509;
     const char* header = NULL;
     const char* footer = NULL;
 
@@ -7597,12 +7596,8 @@ int wolfSSL_X509_LOOKUP_load_file(WOLFSSL_X509_LOOKUP* lookup,
         }
         else if (wc_PemGetHeaderFooter(CERT_TYPE, &header, &footer) == 0 &&
                 XSTRNSTR((char*)curr, header, (unsigned int)sz) != NULL) {
-            x509 = wolfSSL_X509_load_certificate_buffer(curr, (int)sz,
-                                                        WOLFSSL_FILETYPE_PEM);
-            if (x509 == NULL)
-                 goto end;
-            ret = wolfSSL_X509_STORE_add_cert(lookup->store, x509);
-            wolfSSL_X509_free(x509);
+            ret = X509StoreLoadCertBuffer(lookup->store, curr,
+                                        (word32)sz, WOLFSSL_FILETYPE_PEM);
             if (ret != WOLFSSL_SUCCESS)
                 goto end;
             curr = (byte*)XSTRNSTR((char*)curr, footer, (unsigned int)sz);
@@ -14210,6 +14205,9 @@ int wolfSSL_X509_NAME_digest(const WOLFSSL_X509_NAME *name,
 
 #if defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY) || \
     defined(OPENSSL_EXTRA) || defined(OPENSSL_ALL)
+#if defined(OPENSSL_EXTRA) && \
+    ((defined(SESSION_CERTS) && !defined(WOLFSSL_QT)) || \
+      defined(WOLFSSL_SIGNER_DER_CERT))
 
 /**
  * Find the issuing cert of the input cert. On a self-signed cert this
@@ -14280,6 +14278,8 @@ static int x509GetIssuerFromCM(WOLFSSL_X509 **issuer, WOLFSSL_CERT_MANAGER* cm,
 
     return WOLFSSL_SUCCESS;
 }
+#endif /* if defined(OPENSSL_EXTRA) && (defined(SESSION_CERTS) || \
+                               defined(WOLFSSL_SIGNER_DER_CERT)) */
 
 void wolfSSL_X509_email_free(WOLF_STACK_OF(WOLFSSL_STRING) *sk)
 {