RFC4507 (including RFC4507bis) TLS stateless session resumption support

for OpenSSL.

4 files changed, 158 insertions, 0 deletions

diff --git a/apps/s_apps.h b/apps/s_apps.h
index 886a95a2b8..08fbbc2229 100644
--- a/apps/s_apps.h
+++ b/apps/s_apps.h
@@ -167,4 +167,7 @@ long MS_CALLBACK bio_dump_callback(BIO *bio, int cmd, const char *argp,
 #ifdef HEADER_SSL_H
 void MS_CALLBACK apps_ssl_info_callback(const SSL *s, int where, int ret);
 void MS_CALLBACK msg_cb(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg);
+void MS_CALLBACK tlsext_cb(SSL *s, int client_server, int type,
+					unsigned char *data, int len,
+					void *arg);
 #endif
diff --git a/apps/s_cb.c b/apps/s_cb.c
index 6d322d4f40..fb33dee287 100644
--- a/apps/s_cb.c
+++ b/apps/s_cb.c
@@ -592,3 +592,62 @@ void MS_CALLBACK msg_cb(int write_p, int version, int content_type, const void *
 		}
 	BIO_flush(bio);
 	}
+
+void MS_CALLBACK tlsext_cb(SSL *s, int client_server, int type,
+					unsigned char *data, int len,
+					void *arg)
+	{
+	BIO *bio = arg;
+	char *extname;
+
+	switch(type)
+		{
+		case TLSEXT_TYPE_server_name:
+		extname = "server name";
+		break;
+
+		case TLSEXT_TYPE_max_fragment_length:
+		extname = "max fragment length";
+		break;
+
+		case TLSEXT_TYPE_client_certificate_url:
+		extname = "client certificate URL";
+		break;
+
+		case TLSEXT_TYPE_trusted_ca_keys:
+		extname = "trusted CA keys";
+		break;
+
+		case TLSEXT_TYPE_truncated_hmac:
+		extname = "truncated HMAC";
+		break;
+
+		case TLSEXT_TYPE_status_request:
+		extname = "status request";
+		break;
+
+		case TLSEXT_TYPE_elliptic_curves:
+		extname = "elliptic curves";
+		break;
+
+		case TLSEXT_TYPE_ec_point_formats:
+		extname = "EC point formats";
+		break;
+
+		case TLSEXT_TYPE_session_ticket:
+		extname = "server ticket";
+		break;
+
+
+		default:
+		extname = "unknown";
+		break;
+
+		}
+	
+	BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n",
+			client_server ? "server": "client",
+			extname, type, len);
+	BIO_dump(bio, data, len);
+	BIO_flush(bio);
+	}
diff --git a/apps/s_client.c b/apps/s_client.c
index 66c0f8aa33..2d234a6926 100644
--- a/apps/s_client.c
+++ b/apps/s_client.c
@@ -194,6 +194,9 @@ static int c_nbio=0;
 #endif
 static int c_Pause=0;
 static int c_debug=0;
+#ifndef OPENSSL_NO_TLSEXT
+static int c_tlsextdebug=0;
+#endif
 static int c_msg=0;
 static int c_showcerts=0;
 
@@ -406,6 +409,8 @@ int MAIN(int argc, char **argv)
         tlsextctx tlsextcbp = 
         {NULL,0};
 #endif
+	char *sess_in = NULL;
+	char *sess_out = NULL;
 	struct sockaddr peer;
 	int peerlen = sizeof(peer);
 	int enable_timeouts = 0 ;
@@ -480,6 +485,16 @@ int MAIN(int argc, char **argv)
 			if (--argc < 1) goto bad;
 			cert_file= *(++argv);
 			}
+		else if	(strcmp(*argv,"-sess_out") == 0)
+			{
+			if (--argc < 1) goto bad;
+			sess_out = *(++argv);
+			}
+		else if	(strcmp(*argv,"-sess_in") == 0)
+			{
+			if (--argc < 1) goto bad;
+			sess_in = *(++argv);
+			}
 		else if	(strcmp(*argv,"-certform") == 0)
 			{
 			if (--argc < 1) goto bad;
@@ -506,6 +521,10 @@ int MAIN(int argc, char **argv)
 			c_Pause=1;
 		else if	(strcmp(*argv,"-debug") == 0)
 			c_debug=1;
+#ifndef OPENSSL_NO_TLSEXT
+		else if	(strcmp(*argv,"-tlsextdebug") == 0)
+			c_tlsextdebug=1;
+#endif
 #ifdef WATT32
 		else if (strcmp(*argv,"-wdebug") == 0)
 			dbug_init();
@@ -604,6 +623,10 @@ int MAIN(int argc, char **argv)
 			off|=SSL_OP_NO_SSLv2;
 		else if	(strcmp(*argv,"-no_comp") == 0)
 			{ off|=SSL_OP_NO_COMPRESSION; }
+#ifndef OPENSSL_NO_TLSEXT
+		else if	(strcmp(*argv,"-no_ticket") == 0)
+			{ off|=SSL_OP_NO_TICKET; }
+#endif
 		else if (strcmp(*argv,"-serverpref") == 0)
 			off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
 		else if	(strcmp(*argv,"-cipher") == 0)
@@ -791,6 +814,29 @@ bad:
 #endif
 
 	con=SSL_new(ctx);
+	if (sess_in)
+		{
+		SSL_SESSION *sess;
+		BIO *stmp = BIO_new_file(sess_in, "r");
+		if (!stmp)
+			{
+			BIO_printf(bio_err, "Can't open session file %s\n",
+						sess_in);
+			ERR_print_errors(bio_err);
+			goto end;
+			}
+		sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
+		BIO_free(stmp);
+		if (!sess)
+			{
+			BIO_printf(bio_err, "Can't open session file %s\n",
+						sess_in);
+			ERR_print_errors(bio_err);
+			goto end;
+			}
+		SSL_set_session(con, sess);
+		SSL_SESSION_free(sess);
+		}
 #ifndef OPENSSL_NO_TLSEXT
 	if (servername != NULL)
 		{
@@ -893,6 +939,13 @@ re_start:
 		SSL_set_msg_callback(con, msg_cb);
 		SSL_set_msg_callback_arg(con, bio_c_out);
 		}
+#ifndef OPENSSL_NO_TLSEXT
+	if (c_tlsextdebug)
+		{
+		SSL_set_tlsext_debug_callback(con, tlsext_cb);
+		SSL_set_tlsext_debug_arg(con, bio_c_out);
+		}
+#endif
 
 	SSL_set_bio(con,sbio,sbio);
 	SSL_set_connect_state(con);
@@ -1022,6 +1075,17 @@ re_start:
 					BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
 					}
 #endif
+				if (sess_out)
+					{
+					BIO *stmp = BIO_new_file(sess_out, "w");
+					if (stmp)
+						{
+						PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
+						BIO_free(stmp);
+						}
+					else 
+						BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
+					}
 				print_stuff(bio_c_out,con,full_log);
 				if (full_log > 0) full_log--;
 
diff --git a/apps/s_server.c b/apps/s_server.c
index f9ee28e527..fc6256afe8 100644
--- a/apps/s_server.c
+++ b/apps/s_server.c
@@ -281,6 +281,9 @@ static int www=0;
 
 static BIO *bio_s_out=NULL;
 static int s_debug=0;
+#ifndef OPENSSL_NO_TLSEXT
+static int s_tlsextdebug=0;
+#endif
 static int s_msg=0;
 static int s_quiet=0;
 
@@ -869,6 +872,10 @@ int MAIN(int argc, char *argv[])
 			}
 		else if	(strcmp(*argv,"-debug") == 0)
 			{ s_debug=1; }
+#ifndef OPENSSL_NO_TLSEXT
+		else if	(strcmp(*argv,"-tlsextdebug") == 0)
+			s_tlsextdebug=1;
+#endif
 		else if	(strcmp(*argv,"-msg") == 0)
 			{ s_msg=1; }
 		else if	(strcmp(*argv,"-hack") == 0)
@@ -922,6 +929,10 @@ int MAIN(int argc, char *argv[])
 			{ off|=SSL_OP_NO_TLSv1; }
 		else if	(strcmp(*argv,"-no_comp") == 0)
 			{ off|=SSL_OP_NO_COMPRESSION; }
+#ifndef OPENSSL_NO_TLSEXT
+		else if	(strcmp(*argv,"-no_ticket") == 0)
+			{ off|=SSL_OP_NO_TICKET; }
+#endif
 #ifndef OPENSSL_NO_SSL2
 		else if	(strcmp(*argv,"-ssl2") == 0)
 			{ meth=SSLv2_server_method(); }
@@ -1541,6 +1552,13 @@ static int sv_body(char *hostname, int s, unsigned char *context)
 
 	if (con == NULL) {
 		con=SSL_new(ctx);
+#ifndef OPENSSL_NO_TLSEXT
+	if (s_tlsextdebug)
+		{
+		SSL_set_tlsext_debug_callback(con, tlsext_cb);
+		SSL_set_tlsext_debug_arg(con, bio_s_out);
+		}
+#endif
 #ifndef OPENSSL_NO_KRB5
 		if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
                         {
@@ -1610,6 +1628,13 @@ static int sv_body(char *hostname, int s, unsigned char *context)
 		SSL_set_msg_callback(con, msg_cb);
 		SSL_set_msg_callback_arg(con, bio_s_out);
 		}
+#ifndef OPENSSL_NO_TLSEXT
+	if (s_tlsextdebug)
+		{
+		SSL_set_tlsext_debug_callback(con, tlsext_cb);
+		SSL_set_tlsext_debug_arg(con, bio_s_out);
+		}
+#endif
 
 	width=s+1;
 	for (;;)
@@ -1989,6 +2014,13 @@ static int www_body(char *hostname, int s, unsigned char *context)
 	if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
 
 	if ((con=SSL_new(ctx)) == NULL) goto err;
+#ifndef OPENSSL_NO_TLSEXT
+		if (s_tlsextdebug)
+			{
+			SSL_set_tlsext_debug_callback(con, tlsext_cb);
+			SSL_set_tlsext_debug_arg(con, bio_s_out);
+			}
+#endif
 #ifndef OPENSSL_NO_KRB5
 	if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
 		{