From 801294f873d158c831b04d3df941f01e14d6875e Mon Sep 17 00:00:00 2001 From: "Dr. Stephen Henson" Date: Thu, 29 Apr 1999 22:25:52 +0000 Subject: Fix a couple of cases where an attempt is made to lock an already locked mutex. --- ssl/ssl_sess.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) (limited to 'ssl/ssl_sess.c') diff --git a/ssl/ssl_sess.c b/ssl/ssl_sess.c index e06f3ad5e9..a172107bd2 100644 --- a/ssl/ssl_sess.c +++ b/ssl/ssl_sess.c @@ -63,6 +63,7 @@ static void SSL_SESSION_list_remove(SSL_CTX *ctx, SSL_SESSION *s); static void SSL_SESSION_list_add(SSL_CTX *ctx,SSL_SESSION *s); +static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck); static int ssl_session_num=0; static STACK *ssl_session_meth=NULL; @@ -304,8 +305,8 @@ int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *c) while (SSL_CTX_sess_number(ctx) > SSL_CTX_sess_get_cache_size(ctx)) { - if (!SSL_CTX_remove_session(ctx, - ctx->session_cache_tail)) + if (!remove_session_lock(ctx, + ctx->session_cache_tail, 0)) break; else ctx->stats.sess_cache_full++; @@ -317,13 +318,18 @@ int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *c) } int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c) +{ + return remove_session_lock(ctx, c, 1); +} + +int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck) { SSL_SESSION *r; int ret=0; if ((c != NULL) && (c->session_id_length != 0)) { - CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX); + if(lck) CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX); r=(SSL_SESSION *)lh_delete(ctx->sessions,(char *)c); if (r != NULL) { @@ -331,7 +337,7 @@ int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c) SSL_SESSION_list_remove(ctx,c); } - CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX); + if(lck) CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX); if (ret) { -- cgit v1.2.3