Thread-safety fixes
diff --git a/ssl/ssl_cert.c b/ssl/ssl_cert.c
index 452a082..fb08009 100644
--- a/ssl/ssl_cert.c
+++ b/ssl/ssl_cert.c
@@ -56,7 +56,7 @@
* [including the GNU Public Licence.]
*/
/* ====================================================================
- * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -73,12 +73,12 @@
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
- * openssl-core@OpenSSL.org.
+ * openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
@@ -87,7 +87,7 @@
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
@@ -102,6 +102,11 @@
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
*/
/* ====================================================================
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
@@ -130,21 +135,28 @@
int SSL_get_ex_data_X509_STORE_CTX_idx(void)
{
static volatile int ssl_x509_store_ctx_idx= -1;
+ int got_write_lock = 0;
+
+ CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
if (ssl_x509_store_ctx_idx < 0)
{
- /* any write lock will do; usually this branch
- * will only be taken once anyway */
+ CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
+ got_write_lock = 1;
if (ssl_x509_store_ctx_idx < 0)
{
ssl_x509_store_ctx_idx=X509_STORE_CTX_get_ex_new_index(
0,"SSL for verify callback",NULL,NULL,NULL);
}
-
- CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
}
+
+ if (got_write_lock)
+ CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
+ else
+ CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
+
return ssl_x509_store_ctx_idx;
}
