import of OpenSSL 0.9.8h

1 files changed, 159 insertions, 30 deletions

diff --git a/src/lib/libssl/ssl_sess.c b/src/lib/libssl/ssl_sess.c
index 2ba8b9612e..ee88be2b88 100644
--- a/src/lib/libssl/ssl_sess.c
+++ b/src/lib/libssl/ssl_sess.c
@@ -122,10 +122,20 @@ SSL_SESSION *SSL_SESSION_new(void)
         ss->prev=NULL;
         ss->next=NULL;
         ss->compress_meth=0;
+#ifndef OPENSSL_NO_TLSEXT
+        ss->tlsext_hostname = NULL; 
+#endif
         CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, ss, &ss->ex_data);
         return(ss);
         }
 
+const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s, unsigned int *len)
+        {
+        if(len)
+                *len = s->session_id_length;
+        return s->session_id;
+        }
+
 /* Even with SSLv2, we have 16 bytes (128 bits) of session ID space. SSLv3/TLSv1
  * has 32 bytes (256 bits). As such, filling the ID with random gunk repeatedly
  * until we have no conflict is going to complete in one iteration pretty much
@@ -141,7 +151,7 @@ static int def_generate_session_id(const SSL *ssl, unsigned char *id,
 {
         unsigned int retry = 0;
         do
-                if(RAND_pseudo_bytes(id, *id_len) <= 0)
+                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));
@@ -198,12 +208,25 @@ 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 == DTLS1_VERSION)
+                        {
+                        ss->ssl_version=DTLS1_VERSION;
+                        ss->session_id_length=SSL3_SSL_SESSION_ID_LENGTH;
+                        }
                 else
                         {
                         SSLerr(SSL_F_SSL_GET_NEW_SESSION,SSL_R_UNSUPPORTED_SSL_VERSION);
                         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)
@@ -245,6 +268,17 @@ 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;
+                                }
+                        }
+#endif
                 }
         else
                 {
@@ -266,21 +300,41 @@ 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;
-
-        data.ssl_version=s->version;
-        data.session_id_length=len;
+#ifndef OPENSSL_NO_TLSEXT
+        int r;
+#endif
+  
         if (len > SSL_MAX_SSL_SESSION_ID_LENGTH)
                 goto err;
-        memcpy(data.session_id,session_id,len);
-
+#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->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);
                 if (ret != NULL)
@@ -322,33 +376,35 @@ 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)
@@ -534,6 +590,10 @@ 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);
+#endif
         OPENSSL_cleanse(ss,sizeof(*ss));
         OPENSSL_free(ss);
         }
@@ -568,7 +628,7 @@ 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';
@@ -753,3 +813,72 @@ 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;
+        }
+
+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;
+        }
+