set FIPS permitted flag before initalising digest
[openssl.git] / ssl / ssl_sess.c
index 6ca808331f7708afd612f9e456032fbf8338b85e..cbb7e7035210f1112e83445197c00ef51ee7e6e6 100644 (file)
  * 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>
 #include <openssl/rand.h>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
 #include "ssl_locl.h"
 
 static void SSL_SESSION_list_remove(SSL_CTX *ctx, SSL_SESSION *s);
@@ -118,11 +200,27 @@ SSL_SESSION *SSL_SESSION_new(void)
        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;
+#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);
        }
 
@@ -148,7 +246,8 @@ static int def_generate_session_id(const SSL *ssl, unsigned char *id,
 {
        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)
@@ -176,10 +275,10 @@ int ssl_get_new_session(SSL *s, int session)
        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)
                {
@@ -204,6 +303,21 @@ int ssl_get_new_session(SSL *s, int session)
                        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;
@@ -215,12 +329,20 @@ int ssl_get_new_session(SSL *s, int session)
                        SSL_SESSION_free(ss);
                        return(0);
                        }
+#ifndef OPENSSL_NO_TLSEXT
+               /* If RFC4507 ticket use empty session ID */
+               if (s->tlsext_ticket_expected)
+                       {
+                       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->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;
@@ -256,6 +378,43 @@ int ssl_get_new_session(SSL *s, int session)
                        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;
+                               }
+                       }
+#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
                {
@@ -277,23 +436,43 @@ int ssl_get_new_session(SSL *s, int session)
        return(1);
        }
 
-int ssl_get_prev_session(SSL *s, unsigned char *session_id, int len)
+int ssl_get_prev_session(SSL *s, unsigned char *session_id, int len,
+                       const unsigned char *limit)
        {
        /* This is used only by servers. */
 
-       SSL_SESSION *ret=NULL,data;
+       SSL_SESSION *ret=NULL;
        int fatal = 0;
+#ifndef OPENSSL_NO_TLSEXT
+       int r;
+#endif
 
-       data.ssl_version=s->version;
-       data.session_id_length=len;
        if (len > SSL_MAX_SSL_SESSION_ID_LENGTH)
                goto err;
-       memcpy(data.session_id,session_id,len);
-
-       if (!(s->ctx->session_cache_mode & SSL_SESS_CACHE_NO_INTERNAL_LOOKUP))
+#ifndef OPENSSL_NO_TLSEXT
+       r = tls1_process_ticket(s, session_id, len, limit, &ret);
+       if (r == -1)
                {
+               fatal = 1;
+               goto err;
+               }
+       else if (r == 0 || (!ret && !len))
+               goto err;
+       else if (!ret && !(s->session_ctx->session_cache_mode & SSL_SESS_CACHE_NO_INTERNAL_LOOKUP))
+#else
+       if (len == 0)
+               goto err;
+       if (!(s->session_ctx->session_cache_mode & SSL_SESS_CACHE_NO_INTERNAL_LOOKUP))
+#endif
+               {
+               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);
-               ret=(SSL_SESSION *)lh_retrieve(s->ctx->sessions,&data);
+               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);
@@ -304,13 +483,13 @@ int ssl_get_prev_session(SSL *s, unsigned char *session_id, int len)
                {
                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,&copy))
+               if (s->session_ctx->get_session_cb != NULL
+                   && (ret=s->session_ctx->get_session_cb(s,session_id,len,&copy))
                       != 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
@@ -322,10 +501,10 @@ int ssl_get_prev_session(SSL *s, unsigned char *session_id, int len)
 
                        /* Add the externally cached session to the internal
                         * cache as well if and only if we are supposed to. */
-                       if(!(s->ctx->session_cache_mode & SSL_SESS_CACHE_NO_INTERNAL_STORE))
+                       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->ctx,ret);
+                               SSL_CTX_add_session(s->session_ctx,ret);
                        }
                if (ret == NULL)
                        goto err;
@@ -333,33 +512,35 @@ 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. */
 
-       if((s->verify_mode&SSL_VERIFY_PEER)
-          && (!s->sid_ctx_length || ret->sid_ctx_length != s->sid_ctx_length
-              || memcmp(ret->sid_ctx,s->sid_ctx,ret->sid_ctx_length)))
-           {
+       if (ret->sid_ctx_length != s->sid_ctx_length
+           || memcmp(ret->sid_ctx,s->sid_ctx,ret->sid_ctx_length))
+               {
                /* We've found the session named by the client, but we don't
                 * want to use it in this context. */
-               
-               if (s->sid_ctx_length == 0)
-                       {
-                       /* application should have used SSL[_CTX]_set_session_id_context
-                        * -- we could tolerate this and just pretend we never heard
-                        * of this session, but then applications could effectively
-                        * disable the session cache by accident without anyone noticing */
 
-                       SSLerr(SSL_F_SSL_GET_PREV_SESSION,SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED);
-                       fatal = 1;
-                       goto err;
-                       }
-               else
-                       {
 #if 0 /* The client cannot always know when a session is not appropriate,
-          * so we shouldn't generate an error message. */
+       * so we shouldn't generate an error message. */
 
-                       SSLerr(SSL_F_SSL_GET_PREV_SESSION,SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT);
+               SSLerr(SSL_F_SSL_GET_PREV_SESSION,SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT);
 #endif
-                       goto err; /* treat like cache miss */
-                       }
+               goto err; /* treat like cache miss */
+               }
+       
+       if((s->verify_mode & SSL_VERIFY_PEER) && s->sid_ctx_length == 0)
+               {
+               /* We can't be sure if this session is being used out of
+                * context, which is especially important for SSL_VERIFY_PEER.
+                * The application should have used SSL[_CTX]_set_session_id_context.
+                *
+                * For this error case, we generate an error instead of treating
+                * the event like a cache miss (otherwise it would be easy for
+                * applications to effectively disable the session cache by
+                * accident without anyone noticing).
+                */
+               
+               SSLerr(SSL_F_SSL_GET_PREV_SESSION,SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED);
+               fatal = 1;
+               goto err;
                }
 
        if (ret->cipher == NULL)
@@ -370,7 +551,7 @@ int ssl_get_prev_session(SSL *s, unsigned char *session_id, int len)
                p=buf;
                l=ret->cipher_id;
                l2n(l,p);
-               if ((ret->ssl_version>>8) == SSL3_VERSION_MAJOR)
+               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]));
@@ -388,15 +569,15 @@ int ssl_get_prev_session(SSL *s, unsigned char *session_id, int len)
        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 
@@ -429,7 +610,7 @@ int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *c)
        /* if session c is in already in cache, we take back the increment later */
 
        CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
-       s=(SSL_SESSION *)lh_insert(ctx->sessions,c);
+       s=lh_SSL_SESSION_insert(ctx->sessions,c);
        
        /* s != NULL iff we already had a session with the given PID.
         * In this case, s == c should hold (then we did not really modify
@@ -495,10 +676,10 @@ 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 = (SSL_SESSION *)lh_retrieve(ctx->sessions,c)) == c)
+               if ((r = lh_SSL_SESSION_retrieve(ctx->sessions,c)) == c)
                        {
                        ret=1;
-                       r=(SSL_SESSION *)lh_delete(ctx->sessions,c);
+                       r=lh_SSL_SESSION_delete(ctx->sessions,c);
                        SSL_SESSION_list_remove(ctx,c);
                        }
 
@@ -545,6 +726,26 @@ void SSL_SESSION_free(SSL_SESSION *ss)
        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
+#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
+#ifndef OPENSSL_NO_SRP
+       if (ss->srp_username != NULL)
+               OPENSSL_free(ss->srp_username);
+#endif
        OPENSSL_cleanse(ss,sizeof(*ss));
        OPENSSL_free(ss);
        }
@@ -552,7 +753,7 @@ void SSL_SESSION_free(SSL_SESSION *ss)
 int SSL_set_session(SSL *s, SSL_SESSION *session)
        {
        int ret=0;
-       SSL_METHOD *meth;
+       const SSL_METHOD *meth;
 
        if (session != NULL)
                {
@@ -579,7 +780,7 @@ int SSL_set_session(SSL *s, SSL_SESSION *session)
                 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);
+                    s->kssl_ctx->client_princ = (char *)OPENSSL_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';
@@ -640,6 +841,35 @@ long SSL_SESSION_set_time(SSL_SESSION *s, long t)
        return(t);
        }
 
+unsigned int SSL_SESSION_get_id_len(SSL_SESSION *s)
+       {
+       return s->session_id_length;
+       }
+
+const unsigned char *SSL_SESSION_get0_id(SSL_SESSION *s)
+       {
+       return s->session_id;
+       }
+
+X509 *SSL_SESSION_get0_peer(SSL_SESSION *s)
+       {
+       return s->peer;
+       }
+
+int SSL_SESSION_set1_id_context(SSL_SESSION *s,const unsigned char *sid_ctx,
+                              unsigned int sid_ctx_len)
+    {
+    if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
+       {
+       SSLerr(SSL_F_SSL_SESSION_SET1_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
+       return 0;
+       }
+    s->sid_ctx_length=sid_ctx_len;
+    memcpy(s->sid_ctx,sid_ctx,sid_ctx_len);
+
+    return 1;
+    }
+
 long SSL_CTX_set_timeout(SSL_CTX *s, long t)
        {
        long l;
@@ -655,20 +885,75 @@ long SSL_CTX_get_timeout(const SSL_CTX *s)
        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), 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);
+       }
+
+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);
+       }
+
+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_malloc(sizeof(TLS_SESSION_TICKET_EXT) + ext_len);
+               if (!s->tlsext_session_ticket)
+                       {
+                       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);
+                       }
+               else
+                       {
+                       s->tlsext_session_ticket->length = 0;
+                       s->tlsext_session_ticket->data = NULL;
+                       }
+
+               return 1;
+               }
+
+       return 0;
+       }
+#endif /* OPENSSL_NO_TLSEXT */
+
 typedef struct timeout_param_st
        {
        SSL_CTX *ctx;
        long time;
-       LHASH *cache;
+       LHASH_OF(SSL_SESSION) *cache;
        } TIMEOUT_PARAM;
 
-static void timeout(SSL_SESSION *s, TIMEOUT_PARAM *p)
+static void timeout_doall_arg(SSL_SESSION *s, TIMEOUT_PARAM *p)
        {
        if ((p->time == 0) || (p->time > (s->time+s->timeout))) /* timeout */
                {
                /* The reason we don't call SSL_CTX_remove_session() is to
                 * save on locking overhead */
-               lh_delete(p->cache,s);
+               (void)lh_SSL_SESSION_delete(p->cache,s);
                SSL_SESSION_list_remove(p->ctx,s);
                s->not_resumable=1;
                if (p->ctx->remove_session_cb != NULL)
@@ -677,7 +962,7 @@ static void timeout(SSL_SESSION *s, TIMEOUT_PARAM *p)
                }
        }
 
-static IMPLEMENT_LHASH_DOALL_ARG_FN(timeout, SSL_SESSION *, TIMEOUT_PARAM *)
+static IMPLEMENT_LHASH_DOALL_ARG_FN(timeout, SSL_SESSION, TIMEOUT_PARAM)
 
 void SSL_CTX_flush_sessions(SSL_CTX *s, long t)
        {
@@ -689,10 +974,11 @@ 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=tp.cache->down_load;
-       tp.cache->down_load=0;
-       lh_doall_arg(tp.cache, LHASH_DOALL_ARG_FN(timeout), &tp);
-       tp.cache->down_load=i;
+       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);
        }
 
@@ -764,3 +1050,92 @@ 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))
+       {
+       ctx->new_session_cb=cb;
+       }
+
+int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx))(SSL *ssl, SSL_SESSION *sess)
+       {
+       return ctx->new_session_cb;
+       }
+
+void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
+       void (*cb)(SSL_CTX *ctx,SSL_SESSION *sess))
+       {
+       ctx->remove_session_cb=cb;
+       }
+
+void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx))(SSL_CTX * ctx,SSL_SESSION *sess)
+       {
+       return ctx->remove_session_cb;
+       }
+
+void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
+       SSL_SESSION *(*cb)(struct ssl_st *ssl,
+                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)
+       {
+       return ctx->get_session_cb;
+       }
+
+void SSL_CTX_set_info_callback(SSL_CTX *ctx, 
+       void (*cb)(const SSL *ssl,int type,int val))
+       {
+       ctx->info_callback=cb;
+       }
+
+void (*SSL_CTX_get_info_callback(SSL_CTX *ctx))(const SSL *ssl,int type,int val)
+       {
+       return ctx->info_callback;
+       }
+
+void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx,
+       int (*cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey))
+       {
+       ctx->client_cert_cb=cb;
+       }
+
+int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx))(SSL * ssl, X509 ** x509 , EVP_PKEY **pkey)
+       {
+       return ctx->client_cert_cb;
+       }
+
+#ifndef OPENSSL_NO_ENGINE
+int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e)
+       {
+       if (!ENGINE_init(e))
+               {
+               SSLerr(SSL_F_SSL_CTX_SET_CLIENT_CERT_ENGINE, ERR_R_ENGINE_LIB);
+               return 0;
+               }
+       if(!ENGINE_get_ssl_client_cert_function(e))
+               {
+               SSLerr(SSL_F_SSL_CTX_SET_CLIENT_CERT_ENGINE, SSL_R_NO_CLIENT_CERT_METHOD);
+               ENGINE_finish(e);
+               return 0;
+               }
+       ctx->client_cert_engine = e;
+       return 1;
+       }
+#endif
+
+void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
+       int (*cb)(SSL *ssl, unsigned char *cookie, unsigned int *cookie_len))
+       {
+       ctx->app_gen_cookie_cb=cb;
+       }
+
+void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
+       int (*cb)(SSL *ssl, 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)