tests: enhanced mini-x509-kx with ECDHE-ECDSA ciphersuite testing

Also renamed it to cert-key-exchange for easier tracking.

1 files changed, 244 insertions, 0 deletions

diff --git a/tests/cert-key-exchange.c b/tests/cert-key-exchange.c
new file mode 100644
index 0000000000..883ace2ff0
--- /dev/null
+++ b/tests/cert-key-exchange.c
@@ -0,0 +1,244 @@
+/*
+ * Copyright (C) 2015 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
+
+/* This program tests the various certificate key exchange methods supported
+ * in gnutls */
+
+#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"
+
+const char *side;
+
+static void tls_log_func(int level, const char *str)
+{
+	fprintf(stderr, "%s|<%d>| %s", side, level, str);
+}
+
+#define MSG "hello there ppl"
+
+#define USE_CERT 1
+#define ASK_CERT 2
+
+static void try(const char *name, const char *client_prio, gnutls_kx_algorithm_t client_kx,
+		gnutls_sign_algorithm_t server_sign_algo,
+		gnutls_sign_algorithm_t client_sign_algo,
+		unsigned client_cert)
+{
+	int ret;
+	char buffer[256];
+	/* Server stuff. */
+	gnutls_certificate_credentials_t serverx509cred;
+	gnutls_anon_server_credentials_t s_anoncred;
+	gnutls_dh_params_t dh_params;
+	const gnutls_datum_t p3 =
+	    { (unsigned char *) pkcs3, strlen(pkcs3) };
+	gnutls_session_t server;
+	int sret = GNUTLS_E_AGAIN;
+	/* Client stuff. */
+	gnutls_certificate_credentials_t clientx509cred;
+	gnutls_anon_client_credentials_t c_anoncred;
+	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_anon_allocate_server_credentials(&s_anoncred);
+	gnutls_certificate_allocate_credentials(&serverx509cred);
+
+	if (client_kx == GNUTLS_KX_ECDHE_ECDSA) {
+		gnutls_certificate_set_x509_key_mem(serverx509cred,
+						    &server_ecc_cert, &server_ecc_key,
+						    GNUTLS_X509_FMT_PEM);
+	} else {
+		gnutls_certificate_set_x509_key_mem(serverx509cred,
+						    &server_cert, &server_key,
+						    GNUTLS_X509_FMT_PEM);
+	}
+
+	gnutls_dh_params_init(&dh_params);
+	gnutls_dh_params_import_pkcs3(dh_params, &p3, GNUTLS_X509_FMT_PEM);
+	gnutls_certificate_set_dh_params(serverx509cred, dh_params);
+	gnutls_anon_set_server_dh_params(s_anoncred, dh_params);
+
+	gnutls_init(&server, GNUTLS_SERVER);
+	gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE,
+			       serverx509cred);
+	gnutls_credentials_set(server, GNUTLS_CRD_ANON, s_anoncred);
+
+	gnutls_priority_set_direct(server,
+				   "NORMAL:+ANON-ECDH:+ANON-DH:+ECDHE-RSA:+DHE-RSA:+RSA:+ECDHE-ECDSA",
+				   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);
+
+	if (client_cert == USE_CERT) {
+		gnutls_certificate_set_x509_key_mem(clientx509cred,
+						    &cli_cert, &cli_key,
+						    GNUTLS_X509_FMT_PEM);
+		gnutls_certificate_server_set_request(server, GNUTLS_CERT_REQUIRE);
+	} else if (client_cert == ASK_CERT) {
+		gnutls_certificate_server_set_request(server, GNUTLS_CERT_REQUEST);
+	}
+
+	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);
+
+	gnutls_anon_allocate_client_credentials(&c_anoncred);
+	gnutls_credentials_set(client, GNUTLS_CRD_ANON, c_anoncred);
+	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);
+	}
+	HANDSHAKE(client, server);
+
+	if (gnutls_kx_get(client) != client_kx) {
+		fail("%s: got unexpected key exchange algorithm: %s (expected %s)\n", name, gnutls_kx_get_name(gnutls_kx_get(client)),
+			gnutls_kx_get_name(client_kx));
+		exit(1);
+	}
+
+	/* test signature algorithm match */
+	ret = gnutls_sign_algorithm_get(server);
+	if (ret != (int)server_sign_algo) {
+		fail("%s: got unexpected server signature algorithm: %d/%s\n", name, ret, gnutls_sign_get_name(ret));
+		exit(1);
+	}
+
+	ret = gnutls_sign_algorithm_get_client(server);
+	if (ret != (int)client_sign_algo) {
+		fail("%s: got unexpected client signature algorithm: %d/%s\n", name, ret, gnutls_sign_get_name(ret));
+		exit(1);
+	}
+
+	ret = gnutls_sign_algorithm_get(client);
+	if (ret != (int)server_sign_algo) {
+		fail("%s: cl: got unexpected server signature algorithm: %d/%s\n", name, ret, gnutls_sign_get_name(ret));
+		exit(1);
+	}
+
+	ret = gnutls_sign_algorithm_get_client(client);
+	if (ret != (int)client_sign_algo) {
+		fail("%s: cl: got unexpected client signature algorithm: %d/%s\n", name, ret, gnutls_sign_get_name(ret));
+		exit(1);
+	}
+
+	gnutls_record_send(server, MSG, strlen(MSG));
+
+	ret = gnutls_record_recv(client, buffer, sizeof(buffer));
+	if (ret == 0) {
+		fail("client: Peer has closed the TLS connection\n");
+		exit(1);
+	} else if (ret < 0) {
+		fail("client: Error: %s\n", gnutls_strerror(ret));
+		exit(1);
+	}
+
+	if (ret != strlen(MSG) || memcmp(MSG, buffer, ret) != 0) {
+		fail("client: Error in data received. Expected %d, got %d\n", (int)strlen(MSG), ret);
+		exit(1);
+	}
+
+	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);
+	gnutls_anon_free_server_credentials(s_anoncred);
+	gnutls_anon_free_client_credentials(c_anoncred);
+	gnutls_dh_params_deinit(dh_params);
+}
+
+void doit(void)
+{
+	global_init();
+
+	try("anon-ecdh", "NORMAL:-KX-ALL:+ANON-ECDH", GNUTLS_KX_ANON_ECDH, GNUTLS_SIGN_UNKNOWN, GNUTLS_SIGN_UNKNOWN, 0);
+	reset_buffers();
+	try("anon-dh", "NORMAL:-KX-ALL:+ANON-DH", GNUTLS_KX_ANON_DH, GNUTLS_SIGN_UNKNOWN, GNUTLS_SIGN_UNKNOWN, 0);
+	reset_buffers();
+	try("dhe-rsa no cert", "NORMAL:-KX-ALL:+DHE-RSA", GNUTLS_KX_DHE_RSA, GNUTLS_SIGN_RSA_SHA256, GNUTLS_SIGN_UNKNOWN, 0);
+	reset_buffers();
+	try("ecdhe rsa no cert", "NORMAL:-KX-ALL:+ECDHE-RSA", GNUTLS_KX_ECDHE_RSA, GNUTLS_SIGN_RSA_SHA256, GNUTLS_SIGN_UNKNOWN, 0);
+	reset_buffers();
+	try("ecdhe ecdsa no cert", "NORMAL:-KX-ALL:+ECDHE-ECDSA", GNUTLS_KX_ECDHE_ECDSA, GNUTLS_SIGN_ECDSA_SHA256, GNUTLS_SIGN_UNKNOWN, 0);
+	reset_buffers();
+
+	try("rsa no cert", "NORMAL:-KX-ALL:+RSA", GNUTLS_KX_RSA, GNUTLS_SIGN_UNKNOWN, GNUTLS_SIGN_UNKNOWN, 0);
+	reset_buffers();
+	try("dhe-rsa cert", "NORMAL:-KX-ALL:+DHE-RSA", GNUTLS_KX_DHE_RSA, GNUTLS_SIGN_RSA_SHA256, GNUTLS_SIGN_RSA_SHA256, USE_CERT);
+	reset_buffers();
+	try("ecdhe-rsa cert", "NORMAL:-KX-ALL:+ECDHE-RSA", GNUTLS_KX_ECDHE_RSA, GNUTLS_SIGN_RSA_SHA256, GNUTLS_SIGN_RSA_SHA256, USE_CERT);
+	reset_buffers();
+	try("rsa cert", "NORMAL:-KX-ALL:+RSA", GNUTLS_KX_RSA, GNUTLS_SIGN_UNKNOWN, GNUTLS_SIGN_RSA_SHA256, USE_CERT);
+	reset_buffers();
+	try("ecdhe ecdsa cert", "NORMAL:-KX-ALL:+ECDHE-ECDSA", GNUTLS_KX_ECDHE_ECDSA, GNUTLS_SIGN_ECDSA_SHA256, GNUTLS_SIGN_RSA_SHA256, USE_CERT);
+	reset_buffers();
+
+	try("dhe-rsa ask cert", "NORMAL:-KX-ALL:+DHE-RSA", GNUTLS_KX_DHE_RSA, GNUTLS_SIGN_RSA_SHA256, GNUTLS_SIGN_UNKNOWN, ASK_CERT);
+	reset_buffers();
+	try("ecdhe-rsa ask cert", "NORMAL:-KX-ALL:+ECDHE-RSA", GNUTLS_KX_ECDHE_RSA, GNUTLS_SIGN_RSA_SHA256, GNUTLS_SIGN_UNKNOWN, ASK_CERT);
+	reset_buffers();
+	try("rsa ask cert", "NORMAL:-KX-ALL:+RSA", GNUTLS_KX_RSA, GNUTLS_SIGN_UNKNOWN, GNUTLS_SIGN_UNKNOWN, ASK_CERT);
+	reset_buffers();
+	try("ecdhe ecdsa cert", "NORMAL:-KX-ALL:+ECDHE-ECDSA", GNUTLS_KX_ECDHE_ECDSA, GNUTLS_SIGN_ECDSA_SHA256, GNUTLS_SIGN_UNKNOWN, ASK_CERT);
+	reset_buffers();
+
+	gnutls_global_deinit();
+}