tests: added unit testing for server/client cipher negotiation

This verifies that the expected algorithm (cipher) is negotiated.

Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>

1 files changed, 133 insertions, 0 deletions

diff --git a/tests/ssl30-cipher-neg.c b/tests/ssl30-cipher-neg.c
new file mode 100644
index 0000000000..51807af7c0
--- /dev/null
+++ b/tests/ssl30-cipher-neg.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2017 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 Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+/* This program tests the ciphersuite negotiation for various key exchange
+ * methods and options. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <gnutls/gnutls.h>
+#include "utils.h"
+#include "cert-common.h"
+#include "eagain-common.h"
+
+#include "cipher-neg-common.c"
+
+test_case_st tests[] = {
+	{
+		.name = "server SSL 3.0: AES-128-CBC (server)",
+		.cipher = GNUTLS_CIPHER_AES_128_CBC,
+		.server_prio = "NORMAL:-CIPHER-ALL:+AES-128-CBC:+CIPHER-ALL:-VERS-ALL:+VERS-SSL3.0:%SERVER_PRECEDENCE",
+		.client_prio = "NORMAL:+VERS-SSL3.0:+AES-128-CBC"
+	},
+	{
+		.name = "both SSL 3.0: AES-128-CBC (server)",
+		.cipher = GNUTLS_CIPHER_AES_128_CBC,
+		.server_prio = "NORMAL:-CIPHER-ALL:+AES-128-CBC:+CIPHER-ALL:-VERS-ALL:+VERS-SSL3.0:%SERVER_PRECEDENCE",
+		.client_prio = "NORMAL:+AES-128-CBC:+VERS-SSL3.0"
+	},
+	{
+		.name = "client SSL 3.0: AES-128-CBC (client)",
+		.cipher = GNUTLS_CIPHER_AES_128_CBC,
+		.server_prio = "NORMAL:+VERS-SSL3.0:+AES-128-CBC",
+		.client_prio = "NORMAL:-CIPHER-ALL:+AES-128-CBC:+CIPHER-ALL:-VERS-ALL:+VERS-SSL3.0"
+	},
+	{
+		.name = "both SSL 3.0: AES-128-CBC (client)",
+		.cipher = GNUTLS_CIPHER_AES_128_CBC,
+		.server_prio = "NORMAL:+AES-128-CBC:+VERS-SSL3.0",
+		.client_prio = "NORMAL:-CIPHER-ALL:+AES-128-CBC:+CIPHER-ALL:-VERS-ALL:+VERS-SSL3.0"
+	},
+	{
+		.name = "server SSL 3.0: 3DES-CBC (server)",
+		.cipher = GNUTLS_CIPHER_3DES_CBC,
+		.server_prio = "NORMAL:-CIPHER-ALL:+3DES-CBC:+CIPHER-ALL:-VERS-ALL:+VERS-SSL3.0:%SERVER_PRECEDENCE",
+		.client_prio = "NORMAL:+VERS-SSL3.0:+3DES-CBC"
+	},
+	{
+		.name = "both SSL 3.0: 3DES-CBC (server)",
+		.cipher = GNUTLS_CIPHER_3DES_CBC,
+		.server_prio = "NORMAL:-CIPHER-ALL:+3DES-CBC:+CIPHER-ALL:-VERS-ALL:+VERS-SSL3.0:%SERVER_PRECEDENCE",
+		.client_prio = "NORMAL:+3DES-CBC:+VERS-SSL3.0"
+	},
+	{
+		.name = "client SSL 3.0: 3DES-CBC (client)",
+		.cipher = GNUTLS_CIPHER_3DES_CBC,
+		.server_prio = "NORMAL:+VERS-SSL3.0:+3DES-CBC",
+		.client_prio = "NORMAL:-CIPHER-ALL:+3DES-CBC:+CIPHER-ALL:-VERS-ALL:+VERS-SSL3.0"
+	},
+	{
+		.name = "both SSL 3.0: 3DES-CBC (client)",
+		.cipher = GNUTLS_CIPHER_3DES_CBC,
+		.server_prio = "NORMAL:+3DES-CBC:+VERS-SSL3.0",
+		.client_prio = "NORMAL:-CIPHER-ALL:+3DES-CBC:+CIPHER-ALL:-VERS-ALL:+VERS-SSL3.0"
+	},
+	{
+		.name = "server SSL 3.0: ARCFOUR-128 (server)",
+		.cipher = GNUTLS_CIPHER_ARCFOUR_128,
+		.not_on_fips = 1,
+		.server_prio = "NORMAL:-CIPHER-ALL:+ARCFOUR-128:+CIPHER-ALL:-VERS-ALL:+VERS-SSL3.0:%SERVER_PRECEDENCE",
+		.client_prio = "NORMAL:+VERS-SSL3.0:+ARCFOUR-128"
+	},
+	{
+		.name = "both SSL 3.0: ARCFOUR-128 (server)",
+		.cipher = GNUTLS_CIPHER_ARCFOUR_128,
+		.not_on_fips = 1,
+		.server_prio = "NORMAL:-CIPHER-ALL:+ARCFOUR-128:+CIPHER-ALL:-VERS-ALL:+VERS-SSL3.0:%SERVER_PRECEDENCE",
+		.client_prio = "NORMAL:+ARCFOUR-128:+VERS-SSL3.0"
+	},
+	{
+		.name = "client SSL 3.0: ARCFOUR-128 (client)",
+		.cipher = GNUTLS_CIPHER_ARCFOUR_128,
+		.not_on_fips = 1,
+		.server_prio = "NORMAL:+VERS-SSL3.0:+ARCFOUR-128",
+		.client_prio = "NORMAL:-CIPHER-ALL:+ARCFOUR-128:+CIPHER-ALL:-VERS-ALL:+VERS-SSL3.0"
+	},
+	{
+		.name = "both SSL 3.0: ARCFOUR-128 (client)",
+		.cipher = GNUTLS_CIPHER_ARCFOUR_128,
+		.not_on_fips = 1,
+		.server_prio = "NORMAL:+ARCFOUR-128:+VERS-SSL3.0",
+		.client_prio = "NORMAL:-CIPHER-ALL:+ARCFOUR-128:+CIPHER-ALL:-VERS-ALL:+VERS-SSL3.0"
+	}
+};
+
+void doit(void)
+{
+#ifdef ENABLE_SSL3
+	unsigned i;
+	global_init();
+
+	for (i=0;i<sizeof(tests)/sizeof(tests[0]);i++) {
+		try(&tests[i]);
+	}
+
+	gnutls_global_deinit();
+#else
+	exit(77);
+#endif
+}