tests: added check for version negotiation default prio string

That verifies whether the support versions are negotiated.

2 files changed, 146 insertions, 1 deletions

diff --git a/tests/Makefile.am b/tests/Makefile.am
index d063ad9d28..5ffd592607 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -96,7 +96,7 @@ ctests = mini-record-2 simple gc set_pkcs12_cred certder certuniqueid	\
 	 rehandshake-switch-cert-client-allow handshake-versions dtls-handshake-versions \
 	 dtls-max-record tls-max-record alpn-server-prec ocsp-filename-memleak \
 	 dh-params rehandshake-ext-secret pcert-list session-export-funcs \
-	 handshake-false-start
+	 handshake-false-start version-checks
 
 if HAVE_SECCOMP_TESTS
 ctests += dtls-with-seccomp tls-with-seccomp dtls-client-with-seccomp tls-client-with-seccomp
diff --git a/tests/version-checks.c b/tests/version-checks.c
new file mode 100644
index 0000000000..7c5b467b20
--- /dev/null
+++ b/tests/version-checks.c
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2016 Red Hat, Inc.
+ *
+ * Author: Nikos Mavrogiannopoulos
+ *
+ * This file is part of GnuTLS.
+ *
+ * GnuTLS is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GnuTLS is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GnuTLS; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <gnutls/gnutls.h>
+#include "utils.h"
+#include "eagain-common.h"
+#include "cert-common.h"
+
+/* 
+ * That test verifies whether the support versions are negotiated
+ * in the NORMAL priority string.
+ */
+
+const char *side;
+
+static void tls_log_func(int level, const char *str)
+{
+	fprintf(stderr, "%s|<%d>| %s", side, level, str);
+}
+
+static void try(const char *client_prio, int expected)
+{
+	int ret;
+	gnutls_certificate_credentials_t serverx509cred;
+	gnutls_session_t server;
+	int sret = GNUTLS_E_AGAIN;
+	/* Client stuff. */
+	gnutls_certificate_credentials_t clientx509cred;
+	gnutls_session_t client;
+	int cret = GNUTLS_E_AGAIN;
+
+	/* General init. */
+	gnutls_global_set_log_function(tls_log_func);
+	if (debug)
+		gnutls_global_set_log_level(6);
+
+	/* Init server */
+	gnutls_certificate_allocate_credentials(&serverx509cred);
+	gnutls_certificate_set_x509_key_mem(serverx509cred,
+					    &server_cert, &server_key,
+					    GNUTLS_X509_FMT_PEM);
+
+	gnutls_init(&server, GNUTLS_SERVER);
+	gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE,
+			       serverx509cred);
+
+	gnutls_priority_set_direct(server,
+				   "NORMAL",
+				   NULL);
+	gnutls_transport_set_push_function(server, server_push);
+	gnutls_transport_set_pull_function(server, server_pull);
+	gnutls_transport_set_ptr(server, server);
+
+	/* Init client */
+
+	ret = gnutls_certificate_allocate_credentials(&clientx509cred);
+	if (ret < 0)
+		exit(1);
+
+	ret = gnutls_certificate_set_x509_trust_mem(clientx509cred, &ca_cert, GNUTLS_X509_FMT_PEM);
+	if (ret < 0)
+		exit(1);
+
+	ret = gnutls_init(&client, GNUTLS_CLIENT);
+	if (ret < 0)
+		exit(1);
+
+	ret = gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE,
+			       clientx509cred);
+	if (ret < 0)
+		exit(1);
+
+	gnutls_transport_set_push_function(client, client_push);
+	gnutls_transport_set_pull_function(client, client_pull);
+	gnutls_transport_set_ptr(client, client);
+
+	ret = gnutls_priority_set_direct(client, client_prio, NULL);
+	if (ret < 0) {
+		exit(1);
+	}
+
+	if (expected > 0) {
+		HANDSHAKE(client, server);
+
+		ret = gnutls_protocol_get_version(client);
+		if (ret != expected) {
+			fail("unexpected negotiated protocol %s (expected %s)\n", gnutls_protocol_get_name(ret),
+				gnutls_protocol_get_name(expected));
+			exit(1);
+		}
+	} else {
+		HANDSHAKE_EXPECT(client, server, GNUTLS_E_AGAIN, GNUTLS_E_UNSUPPORTED_VERSION_PACKET);
+	}
+
+	gnutls_bye(client, GNUTLS_SHUT_RDWR);
+	gnutls_bye(server, GNUTLS_SHUT_RDWR);
+
+	gnutls_deinit(client);
+	gnutls_deinit(server);
+
+	gnutls_certificate_free_credentials(serverx509cred);
+	gnutls_certificate_free_credentials(clientx509cred);
+}
+
+void doit(void)
+{
+	global_init();
+
+	try("NORMAL:-VERS-TLS-ALL:+VERS-TLS1.0", GNUTLS_TLS1_0);
+	reset_buffers();
+	try("NORMAL:-VERS-TLS-ALL:+VERS-TLS1.1", GNUTLS_TLS1_1);
+	reset_buffers();
+	try("NORMAL:-VERS-TLS-ALL:+VERS-TLS1.2", GNUTLS_TLS1_2);
+	reset_buffers();
+	try("NORMAL:-VERS-TLS-ALL:+VERS-SSL3.0", -1);
+	reset_buffers();
+	gnutls_global_deinit();
+}