/*

 * Copyright (C) 2008-2012 Free Software Foundation, Inc.

 *

 * Author: Simon Josefsson

 *

 * 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"

const char *side;

static void tls_log_func(int level, const char *str)

{

	fprintf(stderr, "%s|<%d>| %s", side, level, str);

}

static time_t mytime(time_t * t)

{

	time_t then = 1461671166;

	if (t)

		*t = then;

	return then;

}

void doit(void)

{

	int exit_code = EXIT_SUCCESS;

	int ret;

	/* Server stuff. */

	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. */

	global_init();

	gnutls_global_set_log_function(tls_log_func);

	if (debug)

		gnutls_global_set_log_level(6);

	gnutls_global_set_time_function(mytime);

	/* 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,

#ifndef ENABLE_FIPS140

				   "NORMAL:-CIPHER-ALL:+ARCFOUR-128",

#else

				   "NORMAL:-CIPHER-ALL:+AES-128-CBC",

#endif

				   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_priority_set_direct(client, "NORMAL:+ARCFOUR-128", NULL);

	gnutls_transport_set_push_function(client, client_push);

	gnutls_transport_set_pull_function(client, client_pull);

	gnutls_transport_set_ptr(client, client);

	HANDSHAKE(client, server);

	/* check gnutls_certificate_get_ours() - client side */

	{

		const gnutls_datum_t *mcert;

		mcert = gnutls_certificate_get_ours(client);

		if (mcert != NULL) {

			fail("gnutls_certificate_get_ours(): failed\n");

			exit(1);

		}

	}

	/* check the number of certificates received and verify */

	{

		unsigned cert_list_size = 0;

		gnutls_typed_vdata_st data[2];

		unsigned status;

		memset(data, 0, sizeof(data));

		data[0].type = GNUTLS_DT_DNS_HOSTNAME;

		data[0].data = (void*)"localhost1";

		data[1].type = GNUTLS_DT_KEY_PURPOSE_OID;

		data[1].data = (void*)GNUTLS_KP_TLS_WWW_SERVER;

		gnutls_certificate_get_peers(client, &cert_list_size);

		if (cert_list_size < 2) {

			fail("received a certificate list of %d!\n", cert_list_size);

			exit(1);

		}

		ret = gnutls_certificate_verify_peers(client, data, 2, &status);

		if (ret < 0) {

			fail("could not verify certificate: %s\n", gnutls_strerror(ret));

			exit(1);

		}

		if (status == 0) {

			fail("should not have accepted!\n");

			exit(1);

		}

		data[0].type = GNUTLS_DT_DNS_HOSTNAME;

		data[0].data = (void*)"localhost";

		ret = gnutls_certificate_verify_peers(client, data, 2, &status);

		if (ret < 0) {

			fail("could not verify certificate: %s\n", gnutls_strerror(ret));

			exit(1);

		}

		if (status != 0) {

			fail("could not verify certificate: %.4x\n", status);

			exit(1);

		}

		/* check gnutls_certificate_verify_peers3 */

		ret = gnutls_certificate_verify_peers3(client, "localhost1", &status);

		if (ret < 0) {

			fail("could not verify certificate: %s\n", gnutls_strerror(ret));

			exit(1);

		}

		if (status == 0) {

			fail("should not have accepted!\n");

			exit(1);

		}

		ret = gnutls_certificate_verify_peers3(client, "localhost", &status);

		if (ret < 0) {

			fail("could not verify certificate: %s\n", gnutls_strerror(ret));

			exit(1);

		}

		if (status != 0) {

			fail("could not verify certificate: %.4x\n", status);

			exit(1);

		}

		/* check gnutls_certificate_verify_peers2 */

		ret = gnutls_certificate_verify_peers2(client, &status);

		if (ret < 0) {

			fail("could not verify certificate: %s\n", gnutls_strerror(ret));

			exit(1);

		}

		if (status != 0) {

			fail("could not verify certificate: %.4x\n", status);

			exit(1);

		}

	}

	{

		/* check the expiration and activation time legacy functions */

		time_t t;

		t = gnutls_certificate_activation_time_peers(client);

		if (t != 1396641545) {

			fail("unexpected activation time: %lu\n", (long unsigned)t);

		}

		if (sizeof(time_t) >= 8) {

			t = gnutls_certificate_expiration_time_peers(client);

			if (t != (time_t)253402300799UL) {

				fail("unexpected expiration time: %lu\n", (long unsigned)t);

			}

		}

	}

	ret = gnutls_session_ext_master_secret_status(client);

	if (ret != 1) {

		fail("Extended master secret wasn't negotiated by default (client ret: %d)\n", ret);

		exit(1);

	}

	ret = gnutls_session_ext_master_secret_status(server);

	if (ret != 1) {

		fail("Extended master secret wasn't negotiated by default (server ret: %d)\n", 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_global_deinit();

	if (debug > 0) {

		if (exit_code == 0)

			puts("Self-test successful");

		else

			puts("Self-test failed");

	}

}