diff options
author | Bodo Möller <bodo@openssl.org> | 2006-06-14 08:51:41 +0000 |
---|---|---|
committer | Bodo Möller <bodo@openssl.org> | 2006-06-14 08:51:41 +0000 |
commit | 6d2cd23f402bf6cca7a29c4a6514012a4779f85c (patch) | |
tree | 042114aed264956f3fa7eef7da62b83b37aedfc2 /ssl/ssl_cert.c | |
parent | 14fb67f28a26a30c5af301aff65c83e20ca986db (diff) |
Thread-safety fixes
Diffstat (limited to 'ssl/ssl_cert.c')
-rw-r--r-- | ssl/ssl_cert.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/ssl/ssl_cert.c b/ssl/ssl_cert.c index 452a0822d9..fb080093e5 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; } |