-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-/* ====================================================================
- * 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
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 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/)"
- *
- * 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.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 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/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * 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 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
+
/* ====================================================================
* Copyright 2005 Nokia. All rights reserved.
*
#include <stdio.h>
#include <openssl/lhash.h>
#include <openssl/rand.h>
-#ifndef OPENSSL_NO_ENGINE
-# include <openssl/engine.h>
-#endif
+#include <openssl/engine.h>
#include "ssl_locl.h"
static void SSL_SESSION_list_remove(SSL_CTX *ctx, SSL_SESSION *s);
* somebody doesn't free ssl->session between when we check it's non-null
* and when we up the reference count.
*/
- CRYPTO_w_lock(CRYPTO_LOCK_SSL_SESSION);
+ CRYPTO_THREAD_read_lock(ssl->lock);
sess = ssl->session;
if (sess)
- sess->references++;
- CRYPTO_w_unlock(CRYPTO_LOCK_SSL_SESSION);
- return (sess);
+ SSL_SESSION_up_ref(sess);
+ CRYPTO_THREAD_unlock(ssl->lock);
+ return sess;
}
int SSL_SESSION_set_ex_data(SSL_SESSION *s, int idx, void *arg)
ss = OPENSSL_zalloc(sizeof(*ss));
if (ss == NULL) {
SSLerr(SSL_F_SSL_SESSION_NEW, ERR_R_MALLOC_FAILURE);
- return (NULL);
+ return NULL;
}
ss->verify_result = 1; /* avoid 0 (= X509_V_OK) just in case */
ss->references = 1;
ss->timeout = 60 * 5 + 4; /* 5 minute timeout by default */
ss->time = (unsigned long)time(NULL);
- CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, ss, &ss->ex_data);
- return (ss);
+ ss->lock = CRYPTO_THREAD_lock_new();
+ if (ss->lock == NULL) {
+ SSLerr(SSL_F_SSL_SESSION_NEW, ERR_R_MALLOC_FAILURE);
+ OPENSSL_free(ss);
+ return NULL;
+ }
+
+ if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, ss, &ss->ex_data)) {
+ CRYPTO_THREAD_lock_free(ss->lock);
+ OPENSSL_free(ss);
+ return NULL;
+ }
+ return ss;
}
/*
dest->references = 1;
+ dest->lock = CRYPTO_THREAD_lock_new();
+ if (dest->lock == NULL)
+ goto err;
+
if (src->peer != NULL)
X509_up_ref(src->peer);
* Note that:
* (a) ssl_get_prev_session() does lookahead into the
* ClientHello extensions to find the session ticket.
- * When ssl_get_prev_session() fails, s3_srvr.c calls
- * ssl_get_new_session() in ssl3_get_client_hello().
+ * When ssl_get_prev_session() fails, statem_srvr.c calls
+ * ssl_get_new_session() in tls_process_client_hello().
* At that point, it has not yet parsed the extensions,
* however, because of the lookahead, it already knows
* whether a ticket is expected or not.
*
- * (b) s3_clnt.c calls ssl_get_new_session() before parsing
+ * (b) statem_clnt.c calls ssl_get_new_session() before parsing
* ServerHello extensions, and before recording the session
* ID received from the server, so this block is a noop.
*/
}
/* Choose which callback will set the session ID */
- CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
+ CRYPTO_THREAD_read_lock(s->lock);
+ CRYPTO_THREAD_read_lock(s->session_ctx->lock);
if (s->generate_session_id)
cb = s->generate_session_id;
else if (s->session_ctx->generate_session_id)
cb = s->session_ctx->generate_session_id;
- CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
+ CRYPTO_THREAD_unlock(s->session_ctx->lock);
+ CRYPTO_THREAD_unlock(s->lock);
/* Choose a session ID */
+ memset(ss->session_id, 0, ss->session_id_length);
tmp = ss->session_id_length;
if (!cb(s, ss->session_id, &tmp)) {
/* The callback failed */
SSL_SESSION data;
size_t local_len;
data.ssl_version = s->version;
+ memset(data.session_id, 0, sizeof(data.session_id));
if (!PACKET_copy_all(session_id, data.session_id,
sizeof(data.session_id),
&local_len)) {
goto err;
}
data.session_id_length = local_len;
- CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
+ CRYPTO_THREAD_read_lock(s->session_ctx->lock);
ret = lh_SSL_SESSION_retrieve(s->session_ctx->sessions, &data);
if (ret != NULL) {
/* don't allow other threads to steal it: */
- CRYPTO_add(&ret->references, 1, CRYPTO_LOCK_SSL_SESSION);
+ SSL_SESSION_up_ref(ret);
}
- CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
+ CRYPTO_THREAD_unlock(s->session_ctx->lock);
if (ret == NULL)
s->session_ctx->stats.sess_miss++;
}
* thread-safe).
*/
if (copy)
- CRYPTO_add(&ret->references, 1, CRYPTO_LOCK_SSL_SESSION);
+ SSL_SESSION_up_ref(ret);
/*
* Add the externally cached session to the internal cache as
* it has two ways of access: each session is in a doubly linked list and
* an lhash
*/
- CRYPTO_add(&c->references, 1, CRYPTO_LOCK_SSL_SESSION);
+ SSL_SESSION_up_ref(c);
/*
* if session c is in already in cache, we take back the increment later
*/
- CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
+ CRYPTO_THREAD_write_lock(ctx->lock);
s = lh_SSL_SESSION_insert(ctx->sessions, c);
/*
}
}
}
- CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
- return (ret);
+ CRYPTO_THREAD_unlock(ctx->lock);
+ return ret;
}
int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)
if ((c != NULL) && (c->session_id_length != 0)) {
if (lck)
- CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
+ CRYPTO_THREAD_write_lock(ctx->lock);
if ((r = lh_SSL_SESSION_retrieve(ctx->sessions, c)) == c) {
ret = 1;
r = lh_SSL_SESSION_delete(ctx->sessions, c);
}
if (lck)
- CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
+ CRYPTO_THREAD_unlock(ctx->lock);
if (ret) {
r->not_resumable = 1;
if (ss == NULL)
return;
- i = CRYPTO_add(&ss->references, -1, CRYPTO_LOCK_SSL_SESSION);
-#ifdef REF_PRINT
- REF_PRINT("SSL_SESSION", ss);
-#endif
+ CRYPTO_atomic_add(&ss->references, -1, &i, ss->lock);
+ REF_PRINT_COUNT("SSL_SESSION", ss);
if (i > 0)
return;
-#ifdef REF_CHECK
- if (i < 0) {
- fprintf(stderr, "SSL_SESSION_free, bad reference count\n");
- abort(); /* ok */
- }
-#endif
+ REF_ASSERT_ISNT(i < 0);
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, ss, &ss->ex_data);
#ifndef OPENSSL_NO_SRP
OPENSSL_free(ss->srp_username);
#endif
+ CRYPTO_THREAD_lock_free(ss->lock);
OPENSSL_clear_free(ss, sizeof(*ss));
}
-int SSL_set_session(SSL *s, SSL_SESSION *session)
+int SSL_SESSION_up_ref(SSL_SESSION *ss)
{
- int ret = 0;
- const SSL_METHOD *meth;
+ int i;
- if (session != NULL) {
- meth = s->ctx->method->get_ssl_method(session->ssl_version);
- if (meth == NULL)
- meth = s->method->get_ssl_method(session->ssl_version);
- if (meth == NULL) {
- SSLerr(SSL_F_SSL_SET_SESSION, SSL_R_UNABLE_TO_FIND_SSL_METHOD);
- return (0);
- }
+ if (CRYPTO_atomic_add(&ss->references, 1, &i, ss->lock) <= 0)
+ return 0;
- if (meth != s->method) {
- if (!SSL_set_ssl_method(s, meth))
- return (0);
- }
+ REF_PRINT_COUNT("SSL_SESSION", ss);
+ REF_ASSERT_ISNT(i < 2);
+ return ((i > 1) ? 1 : 0);
+}
- /* CRYPTO_w_lock(CRYPTO_LOCK_SSL); */
- CRYPTO_add(&session->references, 1, CRYPTO_LOCK_SSL_SESSION);
- SSL_SESSION_free(s->session);
- s->session = session;
- s->verify_result = s->session->verify_result;
- /* CRYPTO_w_unlock(CRYPTO_LOCK_SSL); */
- ret = 1;
- } else {
- SSL_SESSION_free(s->session);
- s->session = NULL;
- meth = s->ctx->method;
- if (meth != s->method) {
- if (!SSL_set_ssl_method(s, meth))
- return (0);
- }
- ret = 1;
+int SSL_set_session(SSL *s, SSL_SESSION *session)
+{
+ ssl_clear_bad_session(s);
+ if (s->ctx->method != s->method) {
+ if (!SSL_set_ssl_method(s, s->ctx->method))
+ return 0;
}
- return (ret);
+
+ if (session != NULL) {
+ SSL_SESSION_up_ref(session);
+ s->verify_result = session->verify_result;
+ }
+ SSL_SESSION_free(s->session);
+ s->session = session;
+
+ return 1;
}
long SSL_SESSION_set_timeout(SSL_SESSION *s, long t)
return (t);
}
+int SSL_SESSION_get_protocol_version(const SSL_SESSION *s)
+{
+ return s->ssl_version;
+}
+
+const char *SSL_SESSION_get0_hostname(const SSL_SESSION *s)
+{
+ return s->tlsext_hostname;
+}
+
int SSL_SESSION_has_ticket(const SSL_SESSION *s)
{
return (s->tlsext_ticklen > 0) ? 1 : 0;
if (tp.cache == NULL)
return;
tp.time = t;
- CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
- i = CHECKED_LHASH_OF(SSL_SESSION, tp.cache)->down_load;
- CHECKED_LHASH_OF(SSL_SESSION, tp.cache)->down_load = 0;
+ CRYPTO_THREAD_write_lock(s->lock);
+ i = lh_SSL_SESSION_get_down_load(s->sessions);
+ lh_SSL_SESSION_set_down_load(s->sessions, 0);
lh_SSL_SESSION_doall_TIMEOUT_PARAM(tp.cache, timeout_cb, &tp);
- CHECKED_LHASH_OF(SSL_SESSION, tp.cache)->down_load = i;
- CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
+ lh_SSL_SESSION_set_down_load(s->sessions, i);
+ CRYPTO_THREAD_unlock(s->lock);
}
int ssl_clear_bad_session(SSL *s)
if ((s->session != NULL) &&
!(s->shutdown & SSL_SENT_SHUTDOWN) &&
!(SSL_in_init(s) || SSL_in_before(s))) {
- SSL_CTX_remove_session(s->ctx, s->session);
+ SSL_CTX_remove_session(s->session_ctx, s->session);
return (1);
} else
return (0);
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