/*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2005 Nokia. 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
* https://www.openssl.org/source/license.html
*/
-/* ====================================================================
- * 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>
#include <openssl/rand.h>
#include <openssl/engine.h>
+#include "internal/refcount.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)
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;
+ 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 ss;
}
+SSL_SESSION *SSL_SESSION_dup(SSL_SESSION *src)
+{
+ return ssl_session_dup(src, 1);
+}
+
/*
* Create a new SSL_SESSION and duplicate the contents of |src| into it. If
* ticket == 0 then no ticket information is duplicated, otherwise it is.
dest->psk_identity = NULL;
#endif
dest->ciphers = NULL;
- dest->tlsext_hostname = NULL;
+ dest->ext.hostname = NULL;
#ifndef OPENSSL_NO_EC
- dest->tlsext_ecpointformatlist = NULL;
- dest->tlsext_ellipticcurvelist = NULL;
+ dest->ext.ecpointformats = NULL;
+ dest->ext.supportedgroups = NULL;
#endif
- dest->tlsext_tick = NULL;
+ 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 */
if (dest->lock == NULL)
goto err;
- if (src->peer != NULL)
- X509_up_ref(src->peer);
+ 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);
goto err;
}
- if (src->tlsext_hostname) {
- dest->tlsext_hostname = OPENSSL_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 =
- OPENSSL_memdup(src->tlsext_ecpointformatlist,
- src->tlsext_ecpointformatlist_length);
- if (dest->tlsext_ecpointformatlist == NULL)
+ 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 =
- OPENSSL_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
- if (ticket != 0) {
- dest->tlsext_tick =
- OPENSSL_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;
}
#ifndef OPENSSL_NO_SRP
}
#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:
SSLerr(SSL_F_SSL_SESSION_DUP, ERR_R_MALLOC_FAILURE);
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 = s->sid_ctx_length;
+ *len = (unsigned int)s->sid_ctx_length;
return s->sid_ctx;
}
*/
#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;
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)
s->session = NULL;
if (session) {
- 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 == TLS1_3_VERSION) {
- ss->ssl_version = TLS1_3_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);
- }
-
- /*-
- * 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->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;
- }
-
- /* 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 = 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 == 0 || 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);
- }
- 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);
+ return 0;
}
- sess_id_done:
- if (s->tlsext_hostname) {
- ss->tlsext_hostname = OPENSSL_strdup(s->tlsext_hostname);
- if (ss->tlsext_hostname == NULL) {
- SSLerr(SSL_F_SSL_GET_NEW_SESSION, ERR_R_INTERNAL_ERROR);
+ if (s->ext.hostname) {
+ ss->ext.hostname = OPENSSL_strdup(s->ext.hostname);
+ if (ss->ext.hostname == NULL) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_GET_NEW_SESSION,
+ ERR_R_INTERNAL_ERROR);
SSL_SESSION_free(ss);
return 0;
}
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);
+ if (s->sid_ctx_length > sizeof(ss->sid_ctx)) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_GET_NEW_SESSION,
+ ERR_R_INTERNAL_ERROR);
SSL_SESSION_free(ss);
return 0;
}
if (s->s3->flags & TLS1_FLAGS_RECEIVED_EXTMS)
ss->flags |= SSL_SESS_FLAG_EXTMS;
- return (1);
+ return 1;
}
/*-
* ssl_get_prev attempts to find an SSL_SESSION to be used to resume this
* connection. It is only called by servers.
*
- * ext: ClientHello extensions (including length prefix)
- * session_id: ClientHello session ID.
+ * hello: The parsed ClientHello data
*
* Returns:
- * -1: error
- * 0: a session may have been found.
+ * -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->tlsext_ticket_expected is set to 1
+ * - 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, const PACKET *ext, const PACKET *session_id)
+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 = 1;
- int r;
-
- if (PACKET_remaining(session_id) == 0)
- try_session_cache = 0;
+ int fatal = 0, discard;
+ int try_session_cache = 0;
+ SSL_TICKET_STATUS r;
- /* sets s->tlsext_ticket_expected and extended master secret flag */
- r = tls_check_serverhello_tlsext_early(s, ext, session_id, &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();
+ 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;
+ break;
+ case SSL_TICKET_NO_DECRYPT:
+ case SSL_TICKET_SUCCESS:
+ case SSL_TICKET_SUCCESS_RENEW:
+ break;
+ }
}
if (try_session_cache &&
!(s->session_ctx->session_cache_mode &
SSL_SESS_CACHE_NO_INTERNAL_LOOKUP)) {
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;
+ memcpy(data.session_id, hello->session_id, hello->session_id_len);
+ data.session_id_length = hello->session_id_len;
+
CRYPTO_THREAD_read_lock(s->session_ctx->lock);
ret = lh_SSL_SESSION_retrieve(s->session_ctx->sessions, &data);
if (ret != NULL) {
}
CRYPTO_THREAD_unlock(s->session_ctx->lock);
if (ret == NULL)
- s->session_ctx->stats.sess_miss++;
+ CRYPTO_atomic_add(&s->session_ctx->stats.sess_miss, 1, &discard,
+ s->session_ctx->lock);
}
if (try_session_cache &&
ret == NULL && s->session_ctx->get_session_cb != NULL) {
int copy = 1;
- ret = s->session_ctx->get_session_cb(s, PACKET_data(session_id),
- PACKET_remaining(session_id),
+
+ ret = s->session_ctx->get_session_cb(s, hello->session_id,
+ hello->session_id_len,
©);
if (ret != NULL) {
- s->session_ctx->stats.sess_cb_hit++;
+ CRYPTO_atomic_add(&s->session_ctx->stats.sess_cb_hit, 1, &discard,
+ s->session_ctx->lock);
/*
* Increment reference count now if the session callback asks us
(s->session_ctx->session_cache_mode &
SSL_SESS_CACHE_NO_INTERNAL_STORE)) {
/*
- * 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.
*/
- if (SSL_CTX_add_session(s->session_ctx, ret))
- goto err;
+ SSL_CTX_add_session(s->session_ctx, ret);
}
}
}
/* 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)) {
/*
* 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++;
+ CRYPTO_atomic_add(&s->session_ctx->stats.sess_timeout, 1, &discard,
+ s->session_ctx->lock);
if (try_session_cache) {
/* session was from the cache, so remove it */
SSL_CTX_remove_session(s->session_ctx, ret);
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)) {
- SSLerr(SSL_F_SSL_GET_PREV_SESSION, SSL_R_INCONSISTENT_EXTMS);
- ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_HANDSHAKE_FAILURE);
+ SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_SSL_GET_PREV_SESSION,
+ SSL_R_INCONSISTENT_EXTMS);
fatal = 1;
goto err;
}
goto err;
}
- s->session_ctx->stats.sess_hit++;
+ if (!SSL_IS_TLS13(s)) {
+ /* We already did this for TLS1.3 */
+ SSL_SESSION_free(s->session);
+ s->session = ret;
+ }
- SSL_SESSION_free(s->session);
- s->session = ret;
+ CRYPTO_atomic_add(&s->session_ctx->stats.sess_hit, 1, &discard,
+ s->session_ctx->lock);
s->verify_result = s->session->verify_result;
return 1;
err:
if (ret != NULL) {
SSL_SESSION_free(ret);
+ /* 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;
}
}
if (fatal)
return -1;
- else
- return 0;
+
+ return 0;
}
int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *c)
{
- int ret = 0;
+ int ret = 0, discard;
SSL_SESSION *s;
/*
* obtain the same session from an external cache)
*/
s = NULL;
+ } else if (s == NULL &&
+ lh_SSL_SESSION_retrieve(ctx->sessions, c) == NULL) {
+ /* s == NULL can also mean OOM error in lh_SSL_SESSION_insert ... */
+
+ /*
+ * ... so take back the extra reference and also don't add
+ * the session to the SSL_SESSION_list at this time
+ */
+ s = c;
}
/* Put at the head of the queue unless it is already in the cache */
if (!remove_session_lock(ctx, ctx->session_cache_tail, 0))
break;
else
- ctx->stats.sess_cache_full++;
+ CRYPTO_atomic_add(&ctx->stats.sess_cache_full, 1, &discard,
+ ctx->lock);
}
}
}
if ((c != NULL) && (c->session_id_length != 0)) {
if (lck)
CRYPTO_THREAD_write_lock(ctx->lock);
- if ((r = lh_SSL_SESSION_retrieve(ctx->sessions, c)) == c) {
+ 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_THREAD_unlock(ctx->lock);
- if (ret)
- SSL_SESSION_free(r);
-
if (ctx->remove_session_cb != NULL)
ctx->remove_session_cb(ctx, c);
+
+ if (ret)
+ SSL_SESSION_free(r);
} else
ret = 0;
- return (ret);
+ return ret;
}
void SSL_SESSION_free(SSL_SESSION *ss)
if (ss == NULL)
return;
-
- CRYPTO_atomic_add(&ss->references, -1, &i, ss->lock);
+ CRYPTO_DOWN_REF(&ss->references, &i, ss->lock);
REF_PRINT_COUNT("SSL_SESSION", ss);
if (i > 0)
return;
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, ss, &ss->ex_data);
- OPENSSL_cleanse(ss->master_key, sizeof ss->master_key);
- OPENSSL_cleanse(ss->session_id, sizeof ss->session_id);
+ OPENSSL_cleanse(ss->master_key, sizeof(ss->master_key));
+ OPENSSL_cleanse(ss->session_id, sizeof(ss->session_id));
X509_free(ss->peer);
sk_X509_pop_free(ss->peer_chain, X509_free);
sk_SSL_CIPHER_free(ss->ciphers);
- OPENSSL_free(ss->tlsext_hostname);
- OPENSSL_free(ss->tlsext_tick);
+ OPENSSL_free(ss->ext.hostname);
+ OPENSSL_free(ss->ext.tick);
#ifndef OPENSSL_NO_EC
- ss->tlsext_ecpointformatlist_length = 0;
- OPENSSL_free(ss->tlsext_ecpointformatlist);
- ss->tlsext_ellipticcurvelist_length = 0;
- OPENSSL_free(ss->tlsext_ellipticcurvelist);
+ 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
OPENSSL_free(ss->psk_identity_hint);
#ifndef OPENSSL_NO_SRP
OPENSSL_free(ss->srp_username);
#endif
+ OPENSSL_free(ss->ext.alpn_selected);
+ OPENSSL_free(ss->ticket_appdata);
CRYPTO_THREAD_lock_free(ss->lock);
OPENSSL_clear_free(ss, sizeof(*ss));
}
{
int i;
- if (CRYPTO_atomic_add(&ss->references, 1, &i, ss->lock) <= 0)
+ if (CRYPTO_UP_REF(&ss->references, &i, ss->lock) <= 0)
return 0;
REF_PRINT_COUNT("SSL_SESSION", ss);
return 0;
}
s->session_id_length = sid_len;
- memcpy(s->session_id, sid, 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->tlsext_hostname;
+ 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->tlsext_ticklen > 0) ? 1 : 0;
+ return (s->ext.ticklen > 0) ? 1 : 0;
}
unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s)
{
- return s->tlsext_tick_lifetime_hint;
+ return s->ext.tick_lifetime_hint;
}
void SSL_SESSION_get0_ticket(const SSL_SESSION *s, const unsigned char **tick,
size_t *len)
{
- *len = s->tlsext_ticklen;
+ *len = s->ext.ticklen;
if (tick != NULL)
- *tick = s->tlsext_tick;
+ *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)
return 0;
}
s->sid_ctx_length = sid_ctx_len;
- memcpy(s->sid_ctx, sid_ctx, sid_ctx_len);
+ 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;
}
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,
- const 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) {
- 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 == NULL) {
+ 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;
!(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 */
ctx->app_verify_cookie_cb = cb;
}
+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)
projects / openssl.git / blobdiff