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authorJung-uk Kim <jkim@FreeBSD.org>2018-09-13 19:18:07 +0000
committerJung-uk Kim <jkim@FreeBSD.org>2018-09-13 19:18:07 +0000
commita43ce912fc025d11e1395506111f75fc194d7ba5 (patch)
tree9794cf7720d75938ed0ea4f499c0dcd4b6eacdda /ssl/ssl_sess.c
parent02be298e504b8554caca6dc85af450e1ea44d19d (diff)
downloadsrc-a43ce912fc025d11e1395506111f75fc194d7ba5.tar.gz
src-a43ce912fc025d11e1395506111f75fc194d7ba5.zip
Import OpenSSL 1.1.1.vendor/openssl/1.1.1
Notes
Notes: svn path=/vendor-crypto/openssl/dist/; revision=338658 svn path=/vendor-crypto/openssl/1.1.1/; revision=338659; tag=vendor/openssl/1.1.1
Diffstat (limited to 'ssl/ssl_sess.c')
-rw-r--r--ssl/ssl_sess.c1250
1 files changed, 639 insertions, 611 deletions
diff --git a/ssl/ssl_sess.c b/ssl/ssl_sess.c
index 6a5ad5374bec..5ad2792a1b4c 100644
--- a/ssl/ssl_sess.c
+++ b/ssl/ssl_sess.c
@@ -1,156 +1,38 @@
-/* ssl/ssl_sess.c */
-/* 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 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
* 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.
+ * 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
*/
#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 "internal/refcount.h"
+#include "internal/cryptlib.h"
#include "ssl_locl.h"
+#include "statem/statem_locl.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);
+/*
+ * SSL_get_session() and SSL_get1_session() are problematic in TLS1.3 because,
+ * unlike in earlier protocol versions, the session ticket may not have been
+ * sent yet even though a handshake has finished. The session ticket data could
+ * come in sometime later...or even change if multiple session ticket messages
+ * are sent from the server. The preferred way for applications to obtain
+ * a resumable session is to use SSL_CTX_sess_set_new_cb().
+ */
+
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);
+ return ssl->session;
}
SSL_SESSION *SSL_get1_session(SSL *ssl)
@@ -162,69 +44,59 @@ SSL_SESSION *SSL_get1_session(SSL *ssl)
* 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);
-}
-
-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)
-{
- return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_SESSION, argl, argp,
- new_func, dup_func, free_func);
+ 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)
{
- return (CRYPTO_set_ex_data(&s->ex_data, idx, arg));
+ return CRYPTO_set_ex_data(&s->ex_data, idx, arg);
}
void *SSL_SESSION_get_ex_data(const SSL_SESSION *s, int idx)
{
- return (CRYPTO_get_ex_data(&s->ex_data, idx));
+ return CRYPTO_get_ex_data(&s->ex_data, idx);
}
SSL_SESSION *SSL_SESSION_new(void)
{
SSL_SESSION *ss;
- ss = (SSL_SESSION *)OPENSSL_malloc(sizeof(SSL_SESSION));
+ if (!OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL))
+ return NULL;
+
+ ss = OPENSSL_zalloc(sizeof(*ss));
if (ss == NULL) {
SSLerr(SSL_F_SSL_SESSION_NEW, ERR_R_MALLOC_FAILURE);
- return (0);
+ return NULL;
}
- memset(ss, 0, sizeof(SSL_SESSION));
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);
- ss->prev = NULL;
- ss->next = NULL;
- ss->compress_meth = 0;
-#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
-#ifndef OPENSSL_NO_SRP
- ss->srp_username = NULL;
-#endif
- 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;
+}
+
+SSL_SESSION *SSL_SESSION_dup(SSL_SESSION *src)
+{
+ return ssl_session_dup(src, 1);
}
/*
@@ -250,17 +122,20 @@ SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket)
dest->psk_identity = NULL;
#endif
dest->ciphers = NULL;
-#ifndef OPENSSL_NO_TLSEXT
- dest->tlsext_hostname = NULL;
-# ifndef OPENSSL_NO_EC
- dest->tlsext_ecpointformatlist = NULL;
- dest->tlsext_ellipticcurvelist = NULL;
-# endif
- dest->tlsext_tick = NULL;
+ dest->ext.hostname = NULL;
+#ifndef OPENSSL_NO_EC
+ dest->ext.ecpointformats = NULL;
+ dest->ext.supportedgroups = NULL;
#endif
+ dest->ext.tick = NULL;
+ dest->ext.alpn_selected = NULL;
#ifndef OPENSSL_NO_SRP
dest->srp_username = NULL;
#endif
+ dest->peer_chain = NULL;
+ dest->peer = NULL;
+ dest->ticket_appdata = NULL;
+ memset(&dest->ex_data, 0, sizeof(dest->ex_data));
/* We deliberately don't copy the prev and next pointers */
dest->prev = NULL;
@@ -268,98 +143,127 @@ SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket)
dest->references = 1;
- if (src->sess_cert != NULL)
- CRYPTO_add(&src->sess_cert->references, 1, CRYPTO_LOCK_SSL_SESS_CERT);
-
- if (src->peer != NULL)
- CRYPTO_add(&src->peer->references, 1, CRYPTO_LOCK_X509);
+ dest->lock = CRYPTO_THREAD_lock_new();
+ if (dest->lock == NULL)
+ goto err;
if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, dest, &dest->ex_data))
goto err;
+ if (src->peer != NULL) {
+ if (!X509_up_ref(src->peer))
+ goto err;
+ dest->peer = src->peer;
+ }
+
+ if (src->peer_chain != NULL) {
+ dest->peer_chain = X509_chain_up_ref(src->peer_chain);
+ if (dest->peer_chain == NULL)
+ goto err;
+ }
#ifndef OPENSSL_NO_PSK
if (src->psk_identity_hint) {
- dest->psk_identity_hint = BUF_strdup(src->psk_identity_hint);
+ dest->psk_identity_hint = OPENSSL_strdup(src->psk_identity_hint);
if (dest->psk_identity_hint == NULL) {
goto err;
}
}
if (src->psk_identity) {
- dest->psk_identity = BUF_strdup(src->psk_identity);
+ dest->psk_identity = OPENSSL_strdup(src->psk_identity);
if (dest->psk_identity == NULL) {
goto err;
}
}
#endif
- if(src->ciphers != NULL) {
+ if (src->ciphers != NULL) {
dest->ciphers = sk_SSL_CIPHER_dup(src->ciphers);
if (dest->ciphers == NULL)
goto err;
}
if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL_SESSION,
- &dest->ex_data, &src->ex_data)) {
+ &dest->ex_data, &src->ex_data)) {
goto err;
}
-#ifndef OPENSSL_NO_TLSEXT
- if (src->tlsext_hostname) {
- dest->tlsext_hostname = BUF_strdup(src->tlsext_hostname);
- if (dest->tlsext_hostname == NULL) {
+ if (src->ext.hostname) {
+ dest->ext.hostname = OPENSSL_strdup(src->ext.hostname);
+ if (dest->ext.hostname == NULL) {
goto err;
}
}
-# ifndef OPENSSL_NO_EC
- if (src->tlsext_ecpointformatlist) {
- dest->tlsext_ecpointformatlist =
- BUF_memdup(src->tlsext_ecpointformatlist,
- src->tlsext_ecpointformatlist_length);
- if (dest->tlsext_ecpointformatlist == NULL)
+#ifndef OPENSSL_NO_EC
+ if (src->ext.ecpointformats) {
+ dest->ext.ecpointformats =
+ OPENSSL_memdup(src->ext.ecpointformats,
+ src->ext.ecpointformats_len);
+ if (dest->ext.ecpointformats == NULL)
goto err;
}
- if (src->tlsext_ellipticcurvelist) {
- dest->tlsext_ellipticcurvelist =
- BUF_memdup(src->tlsext_ellipticcurvelist,
- src->tlsext_ellipticcurvelist_length);
- if (dest->tlsext_ellipticcurvelist == NULL)
+ if (src->ext.supportedgroups) {
+ dest->ext.supportedgroups =
+ OPENSSL_memdup(src->ext.supportedgroups,
+ src->ext.supportedgroups_len
+ * sizeof(*src->ext.supportedgroups));
+ if (dest->ext.supportedgroups == NULL)
goto err;
}
-# endif
+#endif
- if (ticket != 0 && src->tlsext_tick != NULL) {
- dest->tlsext_tick = BUF_memdup(src->tlsext_tick, src->tlsext_ticklen);
- if(dest->tlsext_tick == NULL)
+ if (ticket != 0 && src->ext.tick != NULL) {
+ dest->ext.tick =
+ OPENSSL_memdup(src->ext.tick, src->ext.ticklen);
+ if (dest->ext.tick == NULL)
goto err;
} else {
- dest->tlsext_tick_lifetime_hint = 0;
- dest->tlsext_ticklen = 0;
+ dest->ext.tick_lifetime_hint = 0;
+ dest->ext.ticklen = 0;
+ }
+
+ if (src->ext.alpn_selected != NULL) {
+ dest->ext.alpn_selected = OPENSSL_memdup(src->ext.alpn_selected,
+ src->ext.alpn_selected_len);
+ if (dest->ext.alpn_selected == NULL)
+ goto err;
}
-#endif
#ifndef OPENSSL_NO_SRP
if (src->srp_username) {
- dest->srp_username = BUF_strdup(src->srp_username);
+ dest->srp_username = OPENSSL_strdup(src->srp_username);
if (dest->srp_username == NULL) {
goto err;
}
}
#endif
+ if (src->ticket_appdata != NULL) {
+ dest->ticket_appdata =
+ OPENSSL_memdup(src->ticket_appdata, src->ticket_appdata_len);
+ if (dest->ticket_appdata == NULL)
+ goto err;
+ }
+
return dest;
-err:
+ err:
SSLerr(SSL_F_SSL_SESSION_DUP, ERR_R_MALLOC_FAILURE);
SSL_SESSION_free(dest);
return NULL;
}
-const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s,
- unsigned int *len)
+const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s, unsigned int *len)
{
if (len)
- *len = s->session_id_length;
+ *len = (unsigned int)s->session_id_length;
return s->session_id;
}
+const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *s,
+ unsigned int *len)
+{
+ if (len != NULL)
+ *len = (unsigned int)s->sid_ctx_length;
+ return s->sid_ctx;
+}
unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s)
{
@@ -367,19 +271,18 @@ unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s)
}
/*
- * 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 "most" of the time (btw: understatement). So, if it
- * takes us 10 iterations and we still can't avoid a conflict - well that's a
- * reasonable point to call it quits. Either the RAND code is broken or
- * someone is trying to open roughly very close to 2^128 (or 2^256) SSL
- * sessions to our server. How you might store that many sessions is perhaps
- * a more interesting question ...
+ * SSLv3/TLSv1 has 32 bytes (256 bits) of session ID space. As such, filling
+ * the ID with random junk repeatedly until we have no conflict is going to
+ * complete in one iteration pretty much "most" of the time (btw:
+ * understatement). So, if it takes us 10 iterations and we still can't avoid
+ * a conflict - well that's a reasonable point to call it quits. Either the
+ * RAND code is broken or someone is trying to open roughly very close to
+ * 2^256 SSL sessions to our server. How you might store that many sessions
+ * is perhaps a more interesting question ...
*/
#define MAX_SESS_ID_ATTEMPTS 10
-static int def_generate_session_id(const SSL *ssl, unsigned char *id,
+static int def_generate_session_id(SSL *ssl, unsigned char *id,
unsigned int *id_len)
{
unsigned int retry = 0;
@@ -402,16 +305,99 @@ static int def_generate_session_id(const SSL *ssl, unsigned char *id,
return 0;
}
+int ssl_generate_session_id(SSL *s, SSL_SESSION *ss)
+{
+ unsigned int tmp;
+ GEN_SESSION_CB cb = def_generate_session_id;
+
+ switch (s->version) {
+ case SSL3_VERSION:
+ case TLS1_VERSION:
+ case TLS1_1_VERSION:
+ case TLS1_2_VERSION:
+ case TLS1_3_VERSION:
+ case DTLS1_BAD_VER:
+ case DTLS1_VERSION:
+ case DTLS1_2_VERSION:
+ ss->session_id_length = SSL3_SSL_SESSION_ID_LENGTH;
+ break;
+ default:
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_GENERATE_SESSION_ID,
+ SSL_R_UNSUPPORTED_SSL_VERSION);
+ return 0;
+ }
+
+ /*-
+ * If RFC5077 ticket, use empty session ID (as server).
+ * Note that:
+ * (a) ssl_get_prev_session() does lookahead into the
+ * ClientHello extensions to find the session ticket.
+ * 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) 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.
+ */
+ if (s->ext.ticket_expected) {
+ ss->session_id_length = 0;
+ return 1;
+ }
+
+ /* Choose which callback will set the session ID */
+ 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_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 = (int)ss->session_id_length;
+ if (!cb(s, ss->session_id, &tmp)) {
+ /* The callback failed */
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_GENERATE_SESSION_ID,
+ SSL_R_SSL_SESSION_ID_CALLBACK_FAILED);
+ return 0;
+ }
+ /*
+ * Don't allow the callback to set the session length to zero. nor
+ * set it higher than it was.
+ */
+ if (tmp == 0 || tmp > ss->session_id_length) {
+ /* The callback set an illegal length */
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_GENERATE_SESSION_ID,
+ SSL_R_SSL_SESSION_ID_HAS_BAD_LENGTH);
+ return 0;
+ }
+ ss->session_id_length = tmp;
+ /* Finally, check for a conflict */
+ if (SSL_has_matching_session_id(s, ss->session_id,
+ (unsigned int)ss->session_id_length)) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_GENERATE_SESSION_ID,
+ SSL_R_SSL_SESSION_ID_CONFLICT);
+ return 0;
+ }
+
+ return 1;
+}
+
int ssl_get_new_session(SSL *s, int session)
{
/* This gets used by clients and servers. */
- unsigned int tmp;
SSL_SESSION *ss = NULL;
- GEN_SESSION_CB cb = def_generate_session_id;
- if ((ss = SSL_SESSION_new()) == NULL)
- return (0);
+ if ((ss = SSL_SESSION_new()) == NULL) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_GET_NEW_SESSION,
+ ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
/* If the context has a default timeout, use it */
if (s->session_ctx->session_timeout == 0)
@@ -419,118 +405,29 @@ int ssl_get_new_session(SSL *s, int session)
else
ss->timeout = s->session_ctx->session_timeout;
- if (s->session != NULL) {
- SSL_SESSION_free(s->session);
- s->session = NULL;
- }
+ SSL_SESSION_free(s->session);
+ s->session = NULL;
if (session) {
- if (s->version == SSL2_VERSION) {
- ss->ssl_version = SSL2_VERSION;
- ss->session_id_length = SSL2_SSL_SESSION_ID_LENGTH;
- } else if (s->version == SSL3_VERSION) {
- ss->ssl_version = SSL3_VERSION;
- ss->session_id_length = SSL3_SSL_SESSION_ID_LENGTH;
- } else if (s->version == TLS1_VERSION) {
- ss->ssl_version = TLS1_VERSION;
- ss->session_id_length = SSL3_SSL_SESSION_ID_LENGTH;
- } else if (s->version == TLS1_1_VERSION) {
- ss->ssl_version = TLS1_1_VERSION;
- ss->session_id_length = SSL3_SSL_SESSION_ID_LENGTH;
- } else if (s->version == TLS1_2_VERSION) {
- ss->ssl_version = TLS1_2_VERSION;
- ss->session_id_length = SSL3_SSL_SESSION_ID_LENGTH;
- } else if (s->version == DTLS1_BAD_VER) {
- ss->ssl_version = DTLS1_BAD_VER;
- 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 if (s->version == DTLS1_2_VERSION) {
- ss->ssl_version = DTLS1_2_VERSION;
- ss->session_id_length = SSL3_SSL_SESSION_ID_LENGTH;
- } else {
- SSLerr(SSL_F_SSL_GET_NEW_SESSION, SSL_R_UNSUPPORTED_SSL_VERSION);
- SSL_SESSION_free(ss);
- return (0);
- }
-#ifndef OPENSSL_NO_TLSEXT
- /*-
- * If RFC5077 ticket, use empty session ID (as server).
- * 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().
- * 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
- * ServerHello extensions, and before recording the session
- * ID received from the server, so this block is a noop.
- */
- if (s->tlsext_ticket_expected) {
+ if (SSL_IS_TLS13(s)) {
+ /*
+ * We generate the session id while constructing the
+ * NewSessionTicket in TLSv1.3.
+ */
ss->session_id_length = 0;
- goto sess_id_done;
- }
-#endif
- /* Choose which callback will set the session ID */
- CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
- 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);
- /* Choose a session ID */
- tmp = ss->session_id_length;
- if (!cb(s, ss->session_id, &tmp)) {
- /* The callback failed */
- SSLerr(SSL_F_SSL_GET_NEW_SESSION,
- SSL_R_SSL_SESSION_ID_CALLBACK_FAILED);
- SSL_SESSION_free(ss);
- return (0);
- }
- /*
- * Don't allow the callback to set the session length to zero. nor
- * set it higher than it was.
- */
- if (!tmp || (tmp > ss->session_id_length)) {
- /* The callback set an illegal length */
- SSLerr(SSL_F_SSL_GET_NEW_SESSION,
- SSL_R_SSL_SESSION_ID_HAS_BAD_LENGTH);
+ } else if (!ssl_generate_session_id(s, ss)) {
+ /* SSLfatal() already called */
SSL_SESSION_free(ss);
- return (0);
- }
- /* If the session length was shrunk and we're SSLv2, pad it */
- if ((tmp < ss->session_id_length) && (s->version == SSL2_VERSION))
- memset(ss->session_id + tmp, 0, ss->session_id_length - tmp);
- else
- ss->session_id_length = tmp;
- /* Finally, check for a conflict */
- if (SSL_has_matching_session_id(s, ss->session_id,
- ss->session_id_length)) {
- SSLerr(SSL_F_SSL_GET_NEW_SESSION, SSL_R_SSL_SESSION_ID_CONFLICT);
- SSL_SESSION_free(ss);
- return (0);
- }
-#ifndef OPENSSL_NO_TLSEXT
- sess_id_done:
- 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;
- }
+ return 0;
}
-#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);
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_GET_NEW_SESSION,
+ ERR_R_INTERNAL_ERROR);
SSL_SESSION_free(ss);
return 0;
}
@@ -540,95 +437,47 @@ int ssl_get_new_session(SSL *s, int session)
ss->ssl_version = s->version;
ss->verify_result = X509_V_OK;
- return (1);
+ /* If client supports extended master secret set it in session */
+ if (s->s3->flags & TLS1_FLAGS_RECEIVED_EXTMS)
+ ss->flags |= SSL_SESS_FLAG_EXTMS;
+
+ return 1;
}
-/*-
- * ssl_get_prev attempts to find an SSL_SESSION to be used to resume this
- * connection. It is only called by servers.
- *
- * session_id: points at the session ID in the ClientHello. This code will
- * read past the end of this in order to parse out the session ticket
- * extension, if any.
- * len: the length of the session ID.
- * limit: a pointer to the first byte after the ClientHello.
- *
- * Returns:
- * -1: error
- * 0: a session may have been found.
- *
- * Side effects:
- * - If a session is found then s->session is pointed at it (after freeing an
- * existing session if need be) and s->verify_result is set from the session.
- * - Both for new and resumed sessions, s->tlsext_ticket_expected is set to 1
- * if the server should issue a new session ticket (to 0 otherwise).
- */
-int ssl_get_prev_session(SSL *s, unsigned char *session_id, int len,
- const unsigned char *limit)
+SSL_SESSION *lookup_sess_in_cache(SSL *s, const unsigned char *sess_id,
+ size_t sess_id_len)
{
- /* This is used only by servers. */
-
SSL_SESSION *ret = NULL;
- int fatal = 0;
- int try_session_cache = 1;
-#ifndef OPENSSL_NO_TLSEXT
- int r;
-#endif
- if (limit - session_id < len) {
- fatal = 1;
- goto err;
- }
+ if ((s->session_ctx->session_cache_mode
+ & SSL_SESS_CACHE_NO_INTERNAL_LOOKUP) == 0) {
+ SSL_SESSION data;
- if (len == 0)
- try_session_cache = 0;
+ data.ssl_version = s->version;
+ if (!ossl_assert(sess_id_len <= SSL_MAX_SSL_SESSION_ID_LENGTH))
+ return NULL;
-#ifndef OPENSSL_NO_TLSEXT
- /* sets s->tlsext_ticket_expected */
- r = tls1_process_ticket(s, session_id, len, limit, &ret);
- switch (r) {
- case -1: /* Error during processing */
- fatal = 1;
- goto err;
- case 0: /* No ticket found */
- case 1: /* Zero length ticket found */
- break; /* Ok to carry on processing session id. */
- case 2: /* Ticket found but not decrypted. */
- case 3: /* Ticket decrypted, *ret has been set. */
- try_session_cache = 0;
- break;
- default:
- abort();
- }
-#endif
+ memcpy(data.session_id, sess_id, sess_id_len);
+ data.session_id_length = sess_id_len;
- if (try_session_cache &&
- ret == NULL &&
- !(s->session_ctx->session_cache_mode &
- SSL_SESS_CACHE_NO_INTERNAL_LOOKUP)) {
- SSL_SESSION data;
- data.ssl_version = s->version;
- data.session_id_length = len;
- if (len == 0)
- return 0;
- memcpy(data.session_id, session_id, 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++;
+ tsan_counter(&s->session_ctx->stats.sess_miss);
}
- if (try_session_cache &&
- ret == NULL && s->session_ctx->get_session_cb != NULL) {
+ if (ret == NULL && s->session_ctx->get_session_cb != NULL) {
int copy = 1;
- if ((ret = s->session_ctx->get_session_cb(s, session_id, len, &copy))) {
- s->session_ctx->stats.sess_cb_hit++;
+ ret = s->session_ctx->get_session_cb(s, sess_id, sess_id_len, &copy);
+
+ if (ret != NULL) {
+ tsan_counter(&s->session_ctx->stats.sess_cb_hit);
/*
* Increment reference count now if the session callback asks us
@@ -638,20 +487,89 @@ int ssl_get_prev_session(SSL *s, unsigned char *session_id, int len,
* 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
* well if and only if we are supposed to.
*/
- if (!
- (s->session_ctx->session_cache_mode &
- SSL_SESS_CACHE_NO_INTERNAL_STORE))
+ if ((s->session_ctx->session_cache_mode &
+ SSL_SESS_CACHE_NO_INTERNAL_STORE) == 0) {
/*
- * The following should not return 1, otherwise, things are
- * very strange
+ * Either return value of SSL_CTX_add_session should not
+ * interrupt the session resumption process. The return
+ * value is intentionally ignored.
*/
- SSL_CTX_add_session(s->session_ctx, ret);
+ (void)SSL_CTX_add_session(s->session_ctx, ret);
+ }
+ }
+ }
+
+ return ret;
+}
+
+/*-
+ * ssl_get_prev attempts to find an SSL_SESSION to be used to resume this
+ * connection. It is only called by servers.
+ *
+ * hello: The parsed ClientHello data
+ *
+ * Returns:
+ * -1: fatal error
+ * 0: no session found
+ * 1: a session may have been found.
+ *
+ * Side effects:
+ * - If a session is found then s->session is pointed at it (after freeing an
+ * existing session if need be) and s->verify_result is set from the session.
+ * - Both for new and resumed sessions, s->ext.ticket_expected is set to 1
+ * if the server should issue a new session ticket (to 0 otherwise).
+ */
+int ssl_get_prev_session(SSL *s, CLIENTHELLO_MSG *hello)
+{
+ /* This is used only by servers. */
+
+ SSL_SESSION *ret = NULL;
+ int fatal = 0;
+ int try_session_cache = 0;
+ SSL_TICKET_STATUS r;
+
+ if (SSL_IS_TLS13(s)) {
+ /*
+ * By default we will send a new ticket. This can be overridden in the
+ * ticket processing.
+ */
+ s->ext.ticket_expected = 1;
+ if (!tls_parse_extension(s, TLSEXT_IDX_psk_kex_modes,
+ SSL_EXT_CLIENT_HELLO, hello->pre_proc_exts,
+ NULL, 0)
+ || !tls_parse_extension(s, TLSEXT_IDX_psk, SSL_EXT_CLIENT_HELLO,
+ hello->pre_proc_exts, NULL, 0))
+ return -1;
+
+ ret = s->session;
+ } else {
+ /* sets s->ext.ticket_expected */
+ r = tls_get_ticket_from_client(s, hello, &ret);
+ switch (r) {
+ case SSL_TICKET_FATAL_ERR_MALLOC:
+ case SSL_TICKET_FATAL_ERR_OTHER:
+ fatal = 1;
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_GET_PREV_SESSION,
+ ERR_R_INTERNAL_ERROR);
+ goto err;
+ case SSL_TICKET_NONE:
+ case SSL_TICKET_EMPTY:
+ if (hello->session_id_len > 0) {
+ try_session_cache = 1;
+ ret = lookup_sess_in_cache(s, hello->session_id,
+ hello->session_id_len);
+ }
+ break;
+ case SSL_TICKET_NO_DECRYPT:
+ case SSL_TICKET_SUCCESS:
+ case SSL_TICKET_SUCCESS_RENEW:
+ break;
}
}
@@ -660,6 +578,10 @@ int ssl_get_prev_session(SSL *s, unsigned char *session_id, int len,
/* Now ret is non-NULL and we own one of its reference counts. */
+ /* Check TLS version consistency */
+ if (ret->ssl_version != s->version)
+ goto err;
+
if (ret->sid_ctx_length != s->sid_ctx_length
|| memcmp(ret->sid_ctx, s->sid_ctx, ret->sid_ctx_length)) {
/*
@@ -680,29 +602,14 @@ int ssl_get_prev_session(SSL *s, unsigned char *session_id, int len,
* noticing).
*/
- SSLerr(SSL_F_SSL_GET_PREV_SESSION,
- SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED);
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_GET_PREV_SESSION,
+ SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED);
fatal = 1;
goto err;
}
- if (ret->cipher == NULL) {
- unsigned char buf[5], *p;
- unsigned long l;
-
- p = buf;
- l = ret->cipher_id;
- l2n(l, p);
- if ((ret->ssl_version >> 8) >= SSL3_VERSION_MAJOR)
- ret->cipher = ssl_get_cipher_by_char(s, &(buf[2]));
- else
- ret->cipher = ssl_get_cipher_by_char(s, &(buf[1]));
- if (ret->cipher == NULL)
- goto err;
- }
-
if (ret->timeout < (long)(time(NULL) - ret->time)) { /* timeout */
- s->session_ctx->stats.sess_timeout++;
+ tsan_counter(&s->session_ctx->stats.sess_timeout);
if (try_session_cache) {
/* session was from the cache, so remove it */
SSL_CTX_remove_session(s->session_ctx, ret);
@@ -710,31 +617,49 @@ int ssl_get_prev_session(SSL *s, unsigned char *session_id, int len,
goto err;
}
- s->session_ctx->stats.sess_hit++;
+ /* Check extended master secret extension consistency */
+ if (ret->flags & SSL_SESS_FLAG_EXTMS) {
+ /* If old session includes extms, but new does not: abort handshake */
+ if (!(s->s3->flags & TLS1_FLAGS_RECEIVED_EXTMS)) {
+ SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_SSL_GET_PREV_SESSION,
+ SSL_R_INCONSISTENT_EXTMS);
+ fatal = 1;
+ goto err;
+ }
+ } else if (s->s3->flags & TLS1_FLAGS_RECEIVED_EXTMS) {
+ /* If new session includes extms, but old does not: do not resume */
+ goto err;
+ }
- if (s->session != NULL)
+ if (!SSL_IS_TLS13(s)) {
+ /* We already did this for TLS1.3 */
SSL_SESSION_free(s->session);
- s->session = ret;
+ s->session = ret;
+ }
+
+ tsan_counter(&s->session_ctx->stats.sess_hit);
s->verify_result = s->session->verify_result;
return 1;
err:
if (ret != NULL) {
SSL_SESSION_free(ret);
-#ifndef OPENSSL_NO_TLSEXT
+ /* In TLSv1.3 s->session was already set to ret, so we NULL it out */
+ if (SSL_IS_TLS13(s))
+ s->session = NULL;
+
if (!try_session_cache) {
/*
* The session was from a ticket, so we should issue a ticket for
* the new session
*/
- s->tlsext_ticket_expected = 1;
+ s->ext.ticket_expected = 1;
}
-#endif
}
if (fatal)
return -1;
- else
- return 0;
+
+ return 0;
}
int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *c)
@@ -747,12 +672,12 @@ int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *c)
* 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);
/*
@@ -802,17 +727,16 @@ int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *c)
ret = 1;
if (SSL_CTX_sess_get_cache_size(ctx) > 0) {
- while (SSL_CTX_sess_number(ctx) >
- SSL_CTX_sess_get_cache_size(ctx)) {
+ while (SSL_CTX_sess_number(ctx) > SSL_CTX_sess_get_cache_size(ctx)) {
if (!remove_session_lock(ctx, ctx->session_cache_tail, 0))
break;
else
- ctx->stats.sess_cache_full++;
+ tsan_counter(&ctx->stats.sess_cache_full);
}
}
}
- 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)
@@ -827,25 +751,25 @@ static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)
if ((c != NULL) && (c->session_id_length != 0)) {
if (lck)
- CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
- if ((r = lh_SSL_SESSION_retrieve(ctx->sessions, c)) == c) {
+ CRYPTO_THREAD_write_lock(ctx->lock);
+ if ((r = lh_SSL_SESSION_retrieve(ctx->sessions, c)) != NULL) {
ret = 1;
- r = lh_SSL_SESSION_delete(ctx->sessions, c);
- SSL_SESSION_list_remove(ctx, c);
+ r = lh_SSL_SESSION_delete(ctx->sessions, r);
+ SSL_SESSION_list_remove(ctx, r);
}
+ c->not_resumable = 1;
if (lck)
- CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
+ CRYPTO_THREAD_unlock(ctx->lock);
+
+ if (ctx->remove_session_cb != NULL)
+ ctx->remove_session_cb(ctx, c);
- if (ret) {
- r->not_resumable = 1;
- if (ctx->remove_session_cb != NULL)
- ctx->remove_session_cb(ctx, r);
+ if (ret)
SSL_SESSION_free(r);
- }
} else
ret = 0;
- return (ret);
+ return ret;
}
void SSL_SESSION_free(SSL_SESSION *ss)
@@ -854,144 +778,210 @@ void SSL_SESSION_free(SSL_SESSION *ss)
if (ss == NULL)
return;
-
- i = CRYPTO_add(&ss->references, -1, CRYPTO_LOCK_SSL_SESSION);
-#ifdef REF_PRINT
- REF_PRINT("SSL_SESSION", ss);
-#endif
+ CRYPTO_DOWN_REF(&ss->references, &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);
- 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);
-#ifndef OPENSSL_NO_TLSEXT
- if (ss->tlsext_hostname != NULL)
- OPENSSL_free(ss->tlsext_hostname);
- if (ss->tlsext_tick != NULL)
- OPENSSL_free(ss->tlsext_tick);
-# 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
+ X509_free(ss->peer);
+ sk_X509_pop_free(ss->peer_chain, X509_free);
+ sk_SSL_CIPHER_free(ss->ciphers);
+ OPENSSL_free(ss->ext.hostname);
+ OPENSSL_free(ss->ext.tick);
+#ifndef OPENSSL_NO_EC
+ OPENSSL_free(ss->ext.ecpointformats);
+ ss->ext.ecpointformats = NULL;
+ ss->ext.ecpointformats_len = 0;
+ OPENSSL_free(ss->ext.supportedgroups);
+ ss->ext.supportedgroups = NULL;
+ ss->ext.supportedgroups_len = 0;
+#endif /* OPENSSL_NO_EC */
#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);
+ OPENSSL_free(ss->psk_identity_hint);
+ OPENSSL_free(ss->psk_identity);
#endif
#ifndef OPENSSL_NO_SRP
- if (ss->srp_username != NULL)
- OPENSSL_free(ss->srp_username);
+ OPENSSL_free(ss->srp_username);
#endif
- OPENSSL_cleanse(ss, sizeof(*ss));
- OPENSSL_free(ss);
+ OPENSSL_free(ss->ext.alpn_selected);
+ OPENSSL_free(ss->ticket_appdata);
+ CRYPTO_THREAD_lock_free(ss->lock);
+ OPENSSL_clear_free(ss, sizeof(*ss));
+}
+
+int SSL_SESSION_up_ref(SSL_SESSION *ss)
+{
+ int i;
+
+ if (CRYPTO_UP_REF(&ss->references, &i, ss->lock) <= 0)
+ return 0;
+
+ REF_PRINT_COUNT("SSL_SESSION", ss);
+ REF_ASSERT_ISNT(i < 2);
+ return ((i > 1) ? 1 : 0);
}
int SSL_set_session(SSL *s, SSL_SESSION *session)
{
- int ret = 0;
- const SSL_METHOD *meth;
+ ssl_clear_bad_session(s);
+ if (s->ctx->method != s->method) {
+ if (!SSL_set_ssl_method(s, s->ctx->method))
+ return 0;
+ }
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);
- }
+ SSL_SESSION_up_ref(session);
+ s->verify_result = session->verify_result;
+ }
+ SSL_SESSION_free(s->session);
+ s->session = session;
- if (meth != s->method) {
- if (!SSL_set_ssl_method(s, meth))
- return (0);
- }
-#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 *)OPENSSL_malloc(session->krb5_client_princ_len + 1);
- if (s->kssl_ctx->client_princ == NULL) {
- SSLerr(SSL_F_SSL_SET_SESSION, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- 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)
- SSL_SESSION_free(s->session);
- s->session = session;
- s->verify_result = s->session->verify_result;
- /* CRYPTO_w_unlock(CRYPTO_LOCK_SSL); */
- ret = 1;
- } else {
- if (s->session != NULL) {
- SSL_SESSION_free(s->session);
- s->session = NULL;
- }
+ return 1;
+}
- meth = s->ctx->method;
- if (meth != s->method) {
- if (!SSL_set_ssl_method(s, meth))
- return (0);
- }
- ret = 1;
+int SSL_SESSION_set1_id(SSL_SESSION *s, const unsigned char *sid,
+ unsigned int sid_len)
+{
+ if (sid_len > SSL_MAX_SSL_SESSION_ID_LENGTH) {
+ SSLerr(SSL_F_SSL_SESSION_SET1_ID,
+ SSL_R_SSL_SESSION_ID_TOO_LONG);
+ return 0;
}
- return (ret);
+ s->session_id_length = sid_len;
+ if (sid != s->session_id)
+ memcpy(s->session_id, sid, sid_len);
+ return 1;
}
long SSL_SESSION_set_timeout(SSL_SESSION *s, long t)
{
if (s == NULL)
- return (0);
+ return 0;
s->timeout = t;
- return (1);
+ return 1;
}
long SSL_SESSION_get_timeout(const SSL_SESSION *s)
{
if (s == NULL)
- return (0);
- return (s->timeout);
+ return 0;
+ return s->timeout;
}
long SSL_SESSION_get_time(const SSL_SESSION *s)
{
if (s == NULL)
- return (0);
- return (s->time);
+ return 0;
+ return s->time;
}
long SSL_SESSION_set_time(SSL_SESSION *s, long t)
{
if (s == NULL)
- return (0);
+ return 0;
s->time = t;
- return (t);
+ return t;
+}
+
+int SSL_SESSION_get_protocol_version(const SSL_SESSION *s)
+{
+ return s->ssl_version;
+}
+
+int SSL_SESSION_set_protocol_version(SSL_SESSION *s, int version)
+{
+ s->ssl_version = version;
+ return 1;
+}
+
+const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *s)
+{
+ return s->cipher;
+}
+
+int SSL_SESSION_set_cipher(SSL_SESSION *s, const SSL_CIPHER *cipher)
+{
+ s->cipher = cipher;
+ return 1;
+}
+
+const char *SSL_SESSION_get0_hostname(const SSL_SESSION *s)
+{
+ return s->ext.hostname;
+}
+
+int SSL_SESSION_set1_hostname(SSL_SESSION *s, const char *hostname)
+{
+ OPENSSL_free(s->ext.hostname);
+ if (hostname == NULL) {
+ s->ext.hostname = NULL;
+ return 1;
+ }
+ s->ext.hostname = OPENSSL_strdup(hostname);
+
+ return s->ext.hostname != NULL;
+}
+
+int SSL_SESSION_has_ticket(const SSL_SESSION *s)
+{
+ return (s->ext.ticklen > 0) ? 1 : 0;
+}
+
+unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s)
+{
+ return s->ext.tick_lifetime_hint;
+}
+
+void SSL_SESSION_get0_ticket(const SSL_SESSION *s, const unsigned char **tick,
+ size_t *len)
+{
+ *len = s->ext.ticklen;
+ if (tick != NULL)
+ *tick = s->ext.tick;
+}
+
+uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *s)
+{
+ return s->ext.max_early_data;
+}
+
+int SSL_SESSION_set_max_early_data(SSL_SESSION *s, uint32_t max_early_data)
+{
+ s->ext.max_early_data = max_early_data;
+
+ return 1;
+}
+
+void SSL_SESSION_get0_alpn_selected(const SSL_SESSION *s,
+ const unsigned char **alpn,
+ size_t *len)
+{
+ *alpn = s->ext.alpn_selected;
+ *len = s->ext.alpn_selected_len;
+}
+
+int SSL_SESSION_set1_alpn_selected(SSL_SESSION *s, const unsigned char *alpn,
+ size_t len)
+{
+ OPENSSL_free(s->ext.alpn_selected);
+ if (alpn == NULL || len == 0) {
+ s->ext.alpn_selected = NULL;
+ s->ext.alpn_selected_len = 0;
+ return 1;
+ }
+ s->ext.alpn_selected = OPENSSL_memdup(alpn, len);
+ if (s->ext.alpn_selected == NULL) {
+ s->ext.alpn_selected_len = 0;
+ return 0;
+ }
+ s->ext.alpn_selected_len = len;
+
+ return 1;
}
X509 *SSL_SESSION_get0_peer(SSL_SESSION *s)
@@ -1008,80 +998,79 @@ int SSL_SESSION_set1_id_context(SSL_SESSION *s, const unsigned char *sid_ctx,
return 0;
}
s->sid_ctx_length = sid_ctx_len;
- if (s->sid_ctx != sid_ctx)
+ if (sid_ctx != s->sid_ctx)
memcpy(s->sid_ctx, sid_ctx, sid_ctx_len);
return 1;
}
+int SSL_SESSION_is_resumable(const SSL_SESSION *s)
+{
+ /*
+ * In the case of EAP-FAST, we can have a pre-shared "ticket" without a
+ * session ID.
+ */
+ return !s->not_resumable
+ && (s->session_id_length > 0 || s->ext.ticklen > 0);
+}
+
long SSL_CTX_set_timeout(SSL_CTX *s, long t)
{
long l;
if (s == NULL)
- return (0);
+ return 0;
l = s->session_timeout;
s->session_timeout = t;
- return (l);
+ return l;
}
long SSL_CTX_get_timeout(const SSL_CTX *s)
{
if (s == NULL)
- return (0);
- return (s->session_timeout);
+ return 0;
+ return s->session_timeout;
}
-#ifndef OPENSSL_NO_TLSEXT
int SSL_set_session_secret_cb(SSL *s,
- int (*tls_session_secret_cb) (SSL *s,
- void *secret,
- int *secret_len,
- STACK_OF(SSL_CIPHER)
- *peer_ciphers,
- SSL_CIPHER
- **cipher,
- void *arg),
+ tls_session_secret_cb_fn tls_session_secret_cb,
void *arg)
{
if (s == NULL)
- return (0);
- s->tls_session_secret_cb = tls_session_secret_cb;
- s->tls_session_secret_cb_arg = arg;
- return (1);
+ return 0;
+ s->ext.session_secret_cb = tls_session_secret_cb;
+ s->ext.session_secret_cb_arg = arg;
+ return 1;
}
int SSL_set_session_ticket_ext_cb(SSL *s, tls_session_ticket_ext_cb_fn cb,
void *arg)
{
if (s == NULL)
- return (0);
- s->tls_session_ticket_ext_cb = cb;
- s->tls_session_ticket_ext_cb_arg = arg;
- return (1);
+ return 0;
+ s->ext.session_ticket_cb = cb;
+ s->ext.session_ticket_cb_arg = arg;
+ return 1;
}
int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len)
{
if (s->version >= TLS1_VERSION) {
- if (s->tlsext_session_ticket) {
- OPENSSL_free(s->tlsext_session_ticket);
- s->tlsext_session_ticket = NULL;
- }
-
- s->tlsext_session_ticket =
+ OPENSSL_free(s->ext.session_ticket);
+ s->ext.session_ticket = NULL;
+ s->ext.session_ticket =
OPENSSL_malloc(sizeof(TLS_SESSION_TICKET_EXT) + ext_len);
- if (!s->tlsext_session_ticket) {
+ if (s->ext.session_ticket == NULL) {
SSLerr(SSL_F_SSL_SET_SESSION_TICKET_EXT, ERR_R_MALLOC_FAILURE);
return 0;
}
- if (ext_data) {
- s->tlsext_session_ticket->length = ext_len;
- s->tlsext_session_ticket->data = s->tlsext_session_ticket + 1;
- memcpy(s->tlsext_session_ticket->data, ext_data, ext_len);
+ if (ext_data != NULL) {
+ s->ext.session_ticket->length = ext_len;
+ s->ext.session_ticket->data = s->ext.session_ticket + 1;
+ memcpy(s->ext.session_ticket->data, ext_data, ext_len);
} else {
- s->tlsext_session_ticket->length = 0;
- s->tlsext_session_ticket->data = NULL;
+ s->ext.session_ticket->length = 0;
+ s->ext.session_ticket->data = NULL;
}
return 1;
@@ -1089,7 +1078,6 @@ int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len)
return 0;
}
-#endif /* OPENSSL_NO_TLSEXT */
typedef struct timeout_param_st {
SSL_CTX *ctx;
@@ -1097,7 +1085,7 @@ typedef struct timeout_param_st {
LHASH_OF(SSL_SESSION) *cache;
} TIMEOUT_PARAM;
-static void timeout_doall_arg(SSL_SESSION *s, TIMEOUT_PARAM *p)
+static void timeout_cb(SSL_SESSION *s, TIMEOUT_PARAM *p)
{
if ((p->time == 0) || (p->time > (s->time + s->timeout))) { /* timeout */
/*
@@ -1113,7 +1101,7 @@ static void timeout_doall_arg(SSL_SESSION *s, TIMEOUT_PARAM *p)
}
}
-static IMPLEMENT_LHASH_DOALL_ARG_FN(timeout, SSL_SESSION, TIMEOUT_PARAM)
+IMPLEMENT_LHASH_DOALL_ARG(SSL_SESSION, TIMEOUT_PARAM);
void SSL_CTX_flush_sessions(SSL_CTX *s, long t)
{
@@ -1125,13 +1113,12 @@ void SSL_CTX_flush_sessions(SSL_CTX *s, long t)
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;
- lh_SSL_SESSION_doall_arg(tp.cache, LHASH_DOALL_ARG_FN(timeout),
- TIMEOUT_PARAM, &tp);
- CHECKED_LHASH_OF(SSL_SESSION, tp.cache)->down_load = i;
- CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
+ 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);
+ lh_SSL_SESSION_set_down_load(s->sessions, i);
+ CRYPTO_THREAD_unlock(s->lock);
}
int ssl_clear_bad_session(SSL *s)
@@ -1140,9 +1127,9 @@ int ssl_clear_bad_session(SSL *s)
!(s->shutdown & SSL_SENT_SHUTDOWN) &&
!(SSL_in_init(s) || SSL_in_before(s))) {
SSL_CTX_remove_session(s->session_ctx, s->session);
- return (1);
+ return 1;
} else
- return (0);
+ return 0;
}
/* locked by SSL_CTX in the calling function */
@@ -1194,8 +1181,7 @@ static void SSL_SESSION_list_add(SSL_CTX *ctx, SSL_SESSION *s)
}
void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
- int (*cb) (struct ssl_st *ssl,
- SSL_SESSION *sess))
+ int (*cb) (struct ssl_st *ssl, SSL_SESSION *sess))
{
ctx->new_session_cb = cb;
}
@@ -1217,15 +1203,16 @@ void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx)) (SSL_CTX *ctx,
void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
SSL_SESSION *(*cb) (struct ssl_st *ssl,
- unsigned char *data, int len,
- int *copy))
+ const unsigned char *data,
+ int len, int *copy))
{
ctx->get_session_cb = cb;
}
SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx)) (SSL *ssl,
- unsigned char *data,
- int len, int *copy) {
+ const unsigned char
+ *data, int len,
+ int *copy) {
return ctx->get_session_cb;
}
@@ -1279,11 +1266,52 @@ void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
}
void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
- int (*cb) (SSL *ssl, unsigned char *cookie,
+ int (*cb) (SSL *ssl,
+ const unsigned char *cookie,
unsigned int cookie_len))
{
ctx->app_verify_cookie_cb = cb;
}
-IMPLEMENT_PEM_rw(SSL_SESSION, SSL_SESSION, PEM_STRING_SSL_SESSION,
- SSL_SESSION)
+int SSL_SESSION_set1_ticket_appdata(SSL_SESSION *ss, const void *data, size_t len)
+{
+ OPENSSL_free(ss->ticket_appdata);
+ ss->ticket_appdata_len = 0;
+ if (data == NULL || len == 0) {
+ ss->ticket_appdata = NULL;
+ return 1;
+ }
+ ss->ticket_appdata = OPENSSL_memdup(data, len);
+ if (ss->ticket_appdata != NULL) {
+ ss->ticket_appdata_len = len;
+ return 1;
+ }
+ return 0;
+}
+
+int SSL_SESSION_get0_ticket_appdata(SSL_SESSION *ss, void **data, size_t *len)
+{
+ *data = ss->ticket_appdata;
+ *len = ss->ticket_appdata_len;
+ return 1;
+}
+
+void SSL_CTX_set_stateless_cookie_generate_cb(
+ SSL_CTX *ctx,
+ int (*cb) (SSL *ssl,
+ unsigned char *cookie,
+ size_t *cookie_len))
+{
+ ctx->gen_stateless_cookie_cb = cb;
+}
+
+void SSL_CTX_set_stateless_cookie_verify_cb(
+ SSL_CTX *ctx,
+ int (*cb) (SSL *ssl,
+ const unsigned char *cookie,
+ size_t cookie_len))
+{
+ ctx->verify_stateless_cookie_cb = cb;
+}
+
+IMPLEMENT_PEM_rw(SSL_SESSION, SSL_SESSION, PEM_STRING_SSL_SESSION, SSL_SESSION)