* 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 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
#include <stdio.h>
#include <openssl/lhash.h>
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_OF(CRYPTO_EX_DATA_FUNCS) *ssl_session_meth=NULL;
-SSL_SESSION *SSL_get_session(SSL *ssl)
+SSL_SESSION *SSL_get_session(const SSL *ssl)
/* aka SSL_get0_session; gets 0 objects, just returns a copy of the pointer */
{
return(ssl->session);
/* Need to lock this all up rather than just use CRYPTO_add so that
* somebody doesn't free ssl->session between when we check it's
* non-null and when we up the reference count. */
- CRYPTO_r_lock(CRYPTO_LOCK_SSL_SESSION);
+ CRYPTO_w_lock(CRYPTO_LOCK_SSL_SESSION);
sess = ssl->session;
if(sess)
sess->references++;
- CRYPTO_r_unlock(CRYPTO_LOCK_SSL_SESSION);
+ CRYPTO_w_unlock(CRYPTO_LOCK_SSL_SESSION);
return(sess);
}
int SSL_SESSION_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
{
- ssl_session_num++;
- return(CRYPTO_get_ex_new_index(ssl_session_num-1,
- &ssl_session_meth,
- argl,argp,new_func,dup_func,free_func));
+ return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_SESSION, argl, argp,
+ new_func, dup_func, free_func);
}
int SSL_SESSION_set_ex_data(SSL_SESSION *s, int idx, void *arg)
return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
}
-void *SSL_SESSION_get_ex_data(SSL_SESSION *s, int idx)
+void *SSL_SESSION_get_ex_data(const SSL_SESSION *s, int idx)
{
return(CRYPTO_get_ex_data(&s->ex_data,idx));
}
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=time(NULL);
+ ss->time=(unsigned long)time(NULL);
ss->prev=NULL;
ss->next=NULL;
ss->compress_meth=0;
- CRYPTO_new_ex_data(ssl_session_meth,ss,&ss->ex_data);
+#ifndef OPENSSL_NO_TLSEXT
+ ss->tlsext_hostname = NULL;
+#ifndef OPENSSL_NO_EC
+ ss->tlsext_ecpointformatlist_length = 0;
+ ss->tlsext_ecpointformatlist = NULL;
+ ss->tlsext_ellipticcurvelist_length = 0;
+ ss->tlsext_ellipticcurvelist = NULL;
+#endif
+#endif
+ CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, ss, &ss->ex_data);
+#ifndef OPENSSL_NO_PSK
+ ss->psk_identity_hint=NULL;
+ ss->psk_identity=NULL;
+#endif
return(ss);
}
+const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s, unsigned int *len)
+ {
+ if(len)
+ *len = s->session_id_length;
+ return s->session_id;
+ }
+
/* Even with SSLv2, we have 16 bytes (128 bits) of session ID space. SSLv3/TLSv1
* has 32 bytes (256 bits). As such, filling the ID with random gunk repeatedly
* until we have no conflict is going to complete in one iteration pretty much
{
unsigned int retry = 0;
do
- RAND_pseudo_bytes(id, *id_len);
+ if (RAND_pseudo_bytes(id, *id_len) <= 0)
+ return 0;
while(SSL_has_matching_session_id(ssl, id, *id_len) &&
(++retry < MAX_SESS_ID_ATTEMPTS));
if(retry < MAX_SESS_ID_ATTEMPTS)
if ((ss=SSL_SESSION_new()) == NULL) return(0);
/* If the context has a default timeout, use it */
- if (s->ctx->session_timeout == 0)
+ if (s->session_ctx->session_timeout == 0)
ss->timeout=SSL_get_default_timeout(s);
else
- ss->timeout=s->ctx->session_timeout;
+ ss->timeout=s->session_ctx->session_timeout;
if (s->session != NULL)
{
ss->ssl_version=TLS1_VERSION;
ss->session_id_length=SSL3_SSL_SESSION_ID_LENGTH;
}
+ else if (s->version == DTLS1_VERSION)
+ {
+ ss->ssl_version=DTLS1_VERSION;
+ ss->session_id_length=SSL3_SSL_SESSION_ID_LENGTH;
+ }
else
{
SSLerr(SSL_F_SSL_GET_NEW_SESSION,SSL_R_UNSUPPORTED_SSL_VERSION);
CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
if(s->generate_session_id)
cb = s->generate_session_id;
- else if(s->ctx->generate_session_id)
- cb = s->ctx->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);
/* Choose a session ID */
tmp = ss->session_id_length;
SSL_SESSION_free(ss);
return(0);
}
+#ifndef OPENSSL_NO_TLSEXT
+ if (s->tlsext_hostname) {
+ ss->tlsext_hostname = BUF_strdup(s->tlsext_hostname);
+ if (ss->tlsext_hostname == NULL) {
+ SSLerr(SSL_F_SSL_GET_NEW_SESSION, ERR_R_INTERNAL_ERROR);
+ SSL_SESSION_free(ss);
+ return 0;
+ }
+ }
+#ifndef OPENSSL_NO_EC
+ if (s->tlsext_ecpointformatlist)
+ {
+ if (ss->tlsext_ecpointformatlist != NULL) OPENSSL_free(ss->tlsext_ecpointformatlist);
+ if ((ss->tlsext_ecpointformatlist = OPENSSL_malloc(s->tlsext_ecpointformatlist_length)) == NULL)
+ {
+ SSLerr(SSL_F_SSL_GET_NEW_SESSION, ERR_R_MALLOC_FAILURE);
+ SSL_SESSION_free(ss);
+ return 0;
+ }
+ ss->tlsext_ecpointformatlist_length = s->tlsext_ecpointformatlist_length;
+ memcpy(ss->tlsext_ecpointformatlist, s->tlsext_ecpointformatlist, s->tlsext_ecpointformatlist_length);
+ }
+ if (s->tlsext_ellipticcurvelist)
+ {
+ if (ss->tlsext_ellipticcurvelist != NULL) OPENSSL_free(ss->tlsext_ellipticcurvelist);
+ if ((ss->tlsext_ellipticcurvelist = OPENSSL_malloc(s->tlsext_ellipticcurvelist_length)) == NULL)
+ {
+ SSLerr(SSL_F_SSL_GET_NEW_SESSION, ERR_R_MALLOC_FAILURE);
+ SSL_SESSION_free(ss);
+ return 0;
+ }
+ ss->tlsext_ellipticcurvelist_length = s->tlsext_ellipticcurvelist_length;
+ memcpy(ss->tlsext_ellipticcurvelist, s->tlsext_ellipticcurvelist, s->tlsext_ellipticcurvelist_length);
+ }
+#endif
+#endif
}
else
{
ss->session_id_length=0;
}
+ if (s->sid_ctx_length > sizeof ss->sid_ctx)
+ {
+ SSLerr(SSL_F_SSL_GET_NEW_SESSION, ERR_R_INTERNAL_ERROR);
+ SSL_SESSION_free(ss);
+ return 0;
+ }
memcpy(ss->sid_ctx,s->sid_ctx,s->sid_ctx_length);
ss->sid_ctx_length=s->sid_ctx_length;
s->session=ss;
goto err;
memcpy(data.session_id,session_id,len);
- if (!(s->ctx->session_cache_mode & SSL_SESS_CACHE_NO_INTERNAL_LOOKUP))
+ if (!(s->session_ctx->session_cache_mode & SSL_SESS_CACHE_NO_INTERNAL_LOOKUP))
{
CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
- ret=(SSL_SESSION *)lh_retrieve(s->ctx->sessions,&data);
+ ret=(SSL_SESSION *)lh_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);
{
int copy=1;
- s->ctx->stats.sess_miss++;
+ s->session_ctx->stats.sess_miss++;
ret=NULL;
- if (s->ctx->get_session_cb != NULL
- && (ret=s->ctx->get_session_cb(s,session_id,len,©))
+ if (s->session_ctx->get_session_cb != NULL
+ && (ret=s->session_ctx->get_session_cb(s,session_id,len,©))
!= NULL)
{
- s->ctx->stats.sess_cb_hit++;
+ s->session_ctx->stats.sess_cb_hit++;
/* Increment reference count now if the session callback
* asks us to do so (note that if the session structures
if (copy)
CRYPTO_add(&ret->references,1,CRYPTO_LOCK_SSL_SESSION);
- /* The following should not return 1, otherwise,
- * things are very strange */
- SSL_CTX_add_session(s->ctx,ret);
+ /* Add the externally cached session to the internal
+ * cache as well if and only if we are supposed to. */
+ if(!(s->session_ctx->session_cache_mode & SSL_SESS_CACHE_NO_INTERNAL_STORE))
+ /* The following should not return 1, otherwise,
+ * things are very strange */
+ SSL_CTX_add_session(s->session_ctx,ret);
}
if (ret == NULL)
goto err;
CRYPTO_add(&ret->references,1,CRYPTO_LOCK_SSL_SESSION);
#endif
- if ((long)(ret->time+ret->timeout) < (long)time(NULL)) /* timeout */
+ if (ret->timeout < (long)(time(NULL) - ret->time)) /* timeout */
{
- s->ctx->stats.sess_timeout++;
+ s->session_ctx->stats.sess_timeout++;
/* remove it from the cache */
- SSL_CTX_remove_session(s->ctx,ret);
+ SSL_CTX_remove_session(s->session_ctx,ret);
goto err;
}
- s->ctx->stats.sess_hit++;
+ s->session_ctx->stats.sess_hit++;
/* ret->time=time(NULL); */ /* rezero timeout? */
/* again, just leave the session
if ((c != NULL) && (c->session_id_length != 0))
{
if(lck) CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
- r=(SSL_SESSION *)lh_delete(ctx->sessions,c);
- if (r != NULL)
+ if ((r = (SSL_SESSION *)lh_retrieve(ctx->sessions,c)) == c)
{
ret=1;
+ r=(SSL_SESSION *)lh_delete(ctx->sessions,c);
SSL_SESSION_list_remove(ctx,c);
}
}
#endif
- CRYPTO_free_ex_data(ssl_session_meth,ss,&ss->ex_data);
+ CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, ss, &ss->ex_data);
- memset(ss->key_arg,0,SSL_MAX_KEY_ARG_LENGTH);
- memset(ss->master_key,0,SSL_MAX_MASTER_KEY_LENGTH);
- memset(ss->session_id,0,SSL_MAX_SSL_SESSION_ID_LENGTH);
+ OPENSSL_cleanse(ss->key_arg,sizeof ss->key_arg);
+ OPENSSL_cleanse(ss->master_key,sizeof ss->master_key);
+ OPENSSL_cleanse(ss->session_id,sizeof ss->session_id);
if (ss->sess_cert != NULL) ssl_sess_cert_free(ss->sess_cert);
if (ss->peer != NULL) X509_free(ss->peer);
if (ss->ciphers != NULL) sk_SSL_CIPHER_free(ss->ciphers);
- memset(ss,0,sizeof(*ss));
+#ifndef OPENSSL_NO_TLSEXT
+ if (ss->tlsext_hostname != NULL) OPENSSL_free(ss->tlsext_hostname);
+#ifndef OPENSSL_NO_EC
+ ss->tlsext_ecpointformatlist_length = 0;
+ if (ss->tlsext_ecpointformatlist != NULL) OPENSSL_free(ss->tlsext_ecpointformatlist);
+ ss->tlsext_ellipticcurvelist_length = 0;
+ if (ss->tlsext_ellipticcurvelist != NULL) OPENSSL_free(ss->tlsext_ellipticcurvelist);
+#endif /* OPENSSL_NO_EC */
+#endif
+#ifndef OPENSSL_NO_PSK
+ if (ss->psk_identity_hint != NULL)
+ OPENSSL_free(ss->psk_identity_hint);
+ if (ss->psk_identity != NULL)
+ OPENSSL_free(ss->psk_identity);
+#endif
+ OPENSSL_cleanse(ss,sizeof(*ss));
OPENSSL_free(ss);
}
int SSL_set_session(SSL *s, SSL_SESSION *session)
{
int ret=0;
- SSL_METHOD *meth;
+ const SSL_METHOD *meth;
if (session != NULL)
{
session->timeout=s->ctx->session_timeout;
}
+#ifndef OPENSSL_NO_KRB5
+ if (s->kssl_ctx && !s->kssl_ctx->client_princ &&
+ session->krb5_client_princ_len > 0)
+ {
+ s->kssl_ctx->client_princ = (char *)malloc(session->krb5_client_princ_len + 1);
+ memcpy(s->kssl_ctx->client_princ,session->krb5_client_princ,
+ session->krb5_client_princ_len);
+ s->kssl_ctx->client_princ[session->krb5_client_princ_len] = '\0';
+ }
+#endif /* OPENSSL_NO_KRB5 */
+
/* CRYPTO_w_lock(CRYPTO_LOCK_SSL);*/
CRYPTO_add(&session->references,1,CRYPTO_LOCK_SSL_SESSION);
if (s->session != NULL)
return(1);
}
-long SSL_SESSION_get_timeout(SSL_SESSION *s)
+long SSL_SESSION_get_timeout(const SSL_SESSION *s)
{
if (s == NULL) return(0);
return(s->timeout);
}
-long SSL_SESSION_get_time(SSL_SESSION *s)
+long SSL_SESSION_get_time(const SSL_SESSION *s)
{
if (s == NULL) return(0);
return(s->time);
return(l);
}
-long SSL_CTX_get_timeout(SSL_CTX *s)
+long SSL_CTX_get_timeout(const SSL_CTX *s)
{
if (s == NULL) return(0);
return(s->session_timeout);