tests: added unit testing for server ciphersuite/KX negotiation

This verifies whether the ciphersuite negotiation will detect and
reject incompatible data present in credentials.

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

1 files changed, 171 insertions, 0 deletions

diff --git a/tests/ssl30-server-kx-neg.c b/tests/ssl30-server-kx-neg.c
new file mode 100644
index 0000000000..46a2213290
--- /dev/null
+++ b/tests/ssl30-server-kx-neg.c
@@ -0,0 +1,171 @@
+/*
+ * 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 "server-kx-neg-common.c"
+
+test_case_st tests[] = {
+	{
+		.name = "SSL 3.0 ANON-DH without cred",
+		.client_ret = GNUTLS_E_AGAIN,
+		.server_ret = GNUTLS_E_NO_CIPHER_SUITES,
+		.server_prio = "NORMAL:-KX-ALL:+ANON-DH:-VERS-ALL:+VERS-SSL3.0",
+		.client_prio = "NORMAL:-KX-ALL:+ANON-DH:-VERS-ALL:+VERS-SSL3.0"
+	},
+	{
+		.name = "SSL 3.0 ANON-DH with cred but no DH params",
+		.client_ret = GNUTLS_E_AGAIN,
+		.server_ret = GNUTLS_E_NO_CIPHER_SUITES,
+		.have_anon_cred = 1,
+		.server_prio = "NORMAL:-KX-ALL:+ANON-DH:-VERS-ALL:+VERS-SSL3.0",
+		.client_prio = "NORMAL:-KX-ALL:+ANON-DH:-VERS-ALL:+VERS-SSL3.0"
+	},
+	{
+		.name = "SSL 3.0 ANON-DH with cred and DH params",
+		.server_ret = 0,
+		.client_ret = 0,
+		.have_anon_cred = 1,
+		.have_anon_dh_params = 1,
+		.server_prio = "NORMAL:-KX-ALL:+ANON-DH:-VERS-ALL:+VERS-SSL3.0",
+		.client_prio = "NORMAL:-KX-ALL:+ANON-DH:-VERS-ALL:+VERS-SSL3.0"
+	},
+	{
+		.name = "SSL 3.0 DHE-RSA without cred",
+		.client_ret = GNUTLS_E_AGAIN,
+		.server_ret = GNUTLS_E_NO_CIPHER_SUITES,
+		.server_prio = "NORMAL:-KX-ALL:+DHE-RSA:-VERS-ALL:+VERS-SSL3.0",
+		.client_prio = "NORMAL:-KX-ALL:+DHE-RSA:-VERS-ALL:+VERS-SSL3.0"
+	},
+	{
+		.name = "SSL 3.0 DHE-RSA with cred but no DH params or cert",
+		.client_ret = GNUTLS_E_AGAIN,
+		.server_ret = GNUTLS_E_NO_CIPHER_SUITES,
+		.have_cert_cred = 1,
+		.server_prio = "NORMAL:-KX-ALL:+DHE-RSA:-VERS-ALL:+VERS-SSL3.0",
+		.client_prio = "NORMAL:-KX-ALL:+DHE-RSA:-VERS-ALL:+VERS-SSL3.0"
+	},
+	{
+		.name = "SSL 3.0 DHE-RSA with cred and cert but no DH params",
+		.client_ret = GNUTLS_E_AGAIN,
+		.server_ret = GNUTLS_E_NO_CIPHER_SUITES,
+		.have_cert_cred = 1,
+		.have_rsa_sign_cert = 1,
+		.server_prio = "NORMAL:-KX-ALL:+DHE-RSA:-VERS-ALL:+VERS-SSL3.0",
+		.client_prio = "NORMAL:-KX-ALL:+DHE-RSA:-VERS-ALL:+VERS-SSL3.0"
+	},
+	{
+		.name = "SSL 3.0 DHE-RSA with cred and DH params but no cert",
+		.client_ret = GNUTLS_E_AGAIN,
+		.server_ret = GNUTLS_E_NO_CIPHER_SUITES,
+		.have_cert_cred = 1,
+		.have_cert_dh_params = 1,
+		.server_prio = "NORMAL:-KX-ALL:+DHE-RSA:-VERS-ALL:+VERS-SSL3.0",
+		.client_prio = "NORMAL:-KX-ALL:+DHE-RSA:-VERS-ALL:+VERS-SSL3.0"
+	},
+	{
+		.name = "SSL 3.0 DHE-RSA with cred and incompatible cert and DH params",
+		.client_ret = GNUTLS_E_AGAIN,
+		.server_ret = GNUTLS_E_NO_CIPHER_SUITES,
+		.have_cert_cred = 1,
+		.have_rsa_decrypt_cert = 1,
+		.have_ecc_sign_cert = 1,
+		.have_cert_dh_params = 1,
+		.server_prio = "NORMAL:-KX-ALL:+DHE-RSA:-VERS-ALL:+VERS-SSL3.0",
+		.client_prio = "NORMAL:-KX-ALL:+DHE-RSA:-VERS-ALL:+VERS-SSL3.0"
+	},
+	{
+		.name = "SSL 3.0 DHE-RSA with cred and cert and DH params",
+		.client_ret = 0,
+		.server_ret = 0,
+		.have_cert_cred = 1,
+		.have_rsa_sign_cert = 1,
+		.have_cert_dh_params = 1,
+		.server_prio = "NORMAL:-KX-ALL:+DHE-RSA:-VERS-ALL:+VERS-SSL3.0",
+		.client_prio = "NORMAL:-KX-ALL:+DHE-RSA:-VERS-ALL:+VERS-SSL3.0"
+	},
+	{
+		.name = "SSL 3.0 DHE-RSA with cred and multiple certs and DH params",
+		.client_ret = 0,
+		.server_ret = 0,
+		.have_cert_cred = 1,
+		.have_rsa_sign_cert = 1,
+		.have_ecc_sign_cert = 1,
+		.have_rsa_decrypt_cert = 1,
+		.have_cert_dh_params = 1,
+		.server_prio = "NORMAL:-KX-ALL:+DHE-RSA:-VERS-ALL:+VERS-SSL3.0",
+		.client_prio = "NORMAL:-KX-ALL:+DHE-RSA:-VERS-ALL:+VERS-SSL3.0"
+	},
+	{
+		.name = "SSL 3.0 DHE-PSK without cred",
+		.client_ret = GNUTLS_E_AGAIN,
+		.server_ret = GNUTLS_E_NO_CIPHER_SUITES,
+		.server_prio = "NORMAL:-KX-ALL:+DHE-PSK:-VERS-ALL:+VERS-SSL3.0",
+		.client_prio = "NORMAL:-KX-ALL:+DHE-PSK:-VERS-ALL:+VERS-SSL3.0"
+	},
+	{
+		.name = "SSL 3.0 DHE-PSK with cred but no DH params",
+		.client_ret = GNUTLS_E_AGAIN,
+		.server_ret = GNUTLS_E_NO_CIPHER_SUITES,
+		.have_psk_cred = 1,
+		.server_prio = "NORMAL:-KX-ALL:+DHE-PSK:-VERS-ALL:+VERS-SSL3.0",
+		.client_prio = "NORMAL:-KX-ALL:+DHE-PSK:-VERS-ALL:+VERS-SSL3.0"
+	},
+	{
+		.name = "SSL 3.0 DHE-PSK with cred DH params",
+		.client_ret = 0,
+		.server_ret = 0,
+		.have_psk_cred = 1,
+		.have_psk_dh_params = 1,
+		.server_prio = "NORMAL:-KX-ALL:+DHE-PSK:-VERS-ALL:+VERS-SSL3.0",
+		.client_prio = "NORMAL:-KX-ALL:+DHE-PSK:-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
+}