tests: check client behavior of sending CA certificates

1 files changed, 178 insertions, 0 deletions

diff --git a/tests/send-client-cert.c b/tests/send-client-cert.c
new file mode 100644
index 0000000000..c516fb72fa
--- /dev/null
+++ b/tests/send-client-cert.c
@@ -0,0 +1,178 @@
+/*
+ * 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"
+
+/* This test checks whether the client switching certificates is detected
+ * by the server */
+
+const char *side;
+
+static void tls_log_func(int level, const char *str)
+{
+	fprintf(stderr, "%s|<%d>| %s", side, level, str);
+}
+
+#include "cert-common.h"
+
+#define OK 0
+#define FAIL 1
+
+enum {
+	INCORRECT_CA = 0,
+	CORRECT_CA = 1,
+	NO_CA = 2
+};
+
+static void try(unsigned expect, unsigned ca_type)
+{
+	int ret;
+	/* Server stuff. */
+	gnutls_certificate_credentials_t serverx509cred;
+	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_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_ca3_cert, &server_ca3_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_init(&server, GNUTLS_SERVER);
+	gnutls_certificate_server_set_request(server, GNUTLS_CERT_REQUEST);
+
+	if (ca_type == CORRECT_CA) {
+		ret = gnutls_certificate_set_x509_trust_mem(serverx509cred, &ca3_cert, GNUTLS_X509_FMT_PEM);
+	} else if (ca_type == INCORRECT_CA) {
+		ret = gnutls_certificate_set_x509_trust_mem(serverx509cred, &unknown_ca_cert, GNUTLS_X509_FMT_PEM);
+	} else if (ca_type == NO_CA) {
+		ret = 0;
+	} else {
+		abort();
+	}
+		ret = 0;
+	if (ret < 0)
+		exit(1);
+
+
+	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_key_mem(clientx509cred, 
+						  &cli_ca3_cert, &cli_ca3_key,
+						  GNUTLS_X509_FMT_PEM);
+	if (ret < 0)
+		exit(1);
+
+	ret = gnutls_certificate_set_x509_trust_mem(clientx509cred, &ca3_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);
+
+	ret = gnutls_priority_set_direct(client, "NORMAL", NULL);
+	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);
+
+	success("Testing CA type %d, expecting %s\n", ca_type, expect==0?"ok":"fail");
+
+	HANDSHAKE(client, server);
+
+	if (expect == OK) {
+		if (gnutls_certificate_get_ours(client) == NULL) {
+			fail("Test %d: client didn't send any certificate\n", ca_type);
+			exit(1);
+		}
+	} else {
+		if (gnutls_certificate_get_ours(client) != NULL) {
+			fail("Test %d: client sent a certificate, although not expected\n", ca_type);
+			exit(1);
+		}
+	}
+
+	gnutls_deinit(client);
+	gnutls_deinit(server);
+
+	gnutls_certificate_free_credentials(serverx509cred);
+	gnutls_certificate_free_credentials(clientx509cred);
+	gnutls_dh_params_deinit(dh_params);
+}
+
+void doit(void)
+{
+	global_init();
+
+	try(OK, NO_CA);
+	try(OK, CORRECT_CA);
+	try(FAIL, INCORRECT_CA);
+	gnutls_global_deinit();
+}