/*

 * Copyright (C) 2016-2018 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 <https://www.gnu.org/licenses/>

 */

#ifdef HAVE_CONFIG_H

#include <config.h>

#endif

#include <stdio.h>

#include <stdlib.h>

#if defined(_WIN32)

/* socketpair isn't supported on Win32. */

int main(int argc, char **argv)

{

	exit(77);

}

#else

#include <string.h>

#include <sys/types.h>

#include <sys/socket.h>

#if !defined(_WIN32)

#include <sys/wait.h>

#include <signal.h>

#endif

#include <unistd.h>

#include <gnutls/gnutls.h>

#include <assert.h>

#include "utils.h"

/* This test checks whether a large certificate packet can be sent by

 * server and received by client. */

const char *side = "";

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

{

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

}

static void client(int sd, const char *prio)

{

	int ret;

	gnutls_session_t session;

	char buf[1];

	gnutls_certificate_credentials_t clientx509cred;

	global_init();

	gnutls_global_set_log_function(tls_log_func);

	if (debug)

		gnutls_global_set_log_level(4711);

	side = "client";

	assert(gnutls_certificate_allocate_credentials(&clientx509cred)>=0);

	assert(gnutls_init(&session, GNUTLS_CLIENT)>=0);

	assert(gnutls_priority_set_direct(session, prio, NULL) >= 0);

	/* put the anonymous credentials to the current session

	 */

	gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE,

				clientx509cred);

	gnutls_transport_set_int(session, sd);

	gnutls_handshake_set_timeout(session, 60 * 1000);

	do {

		ret = gnutls_handshake(session);

	} while(ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);

	if (ret < 0) {

		fail("client: Handshake failed\n");

	} else {

		if (debug)

			success("client: Handshake was completed\n");

	}

	do {

		ret = gnutls_record_recv(session, buf, 1);

	} while(ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);

	assert(ret == 0);

	close(sd);

	gnutls_deinit(session);

	gnutls_certificate_free_credentials(clientx509cred);

	gnutls_global_deinit();

}

static unsigned char server_key_pem[] =

	"-----BEGIN RSA PRIVATE KEY-----\n"

	"MIIEowIBAAKCAQEAwJo7662RNezA254WRsXlbuzkPV5eNX7pX5Pj66T8/RKfz7rL\n"

	"GpKs4fNxhhIMSUDjy2KbEQXPUH9MWROgU8V//CfcnagLYCHtniqRE+eXv0fCLwWU\n"

	"SrA8n0qCBj94/NMA4kSmHf6dE5YdjDSpukyza5IshAuxZ32MDevE3JqMjvnZ5vY7\n"

	"drJSfal0V5gof3/7J41ZVxl+WJph50e2pY1E27/hY8q5yQ3DXnE5kTQjX664ozQ8\n"

	"UPtqGfkr4YjYe4e6PUWAjU27mQng0O0K+/w8gg6xBxN/AH3U7dg5/cY5IKDsN+Iq\n"

	"4UrcCgXWjhosv9IlIXqzK7IBMMphPmRMCLMH2QIDAQABAoIBAGpOdxZdZdH6zHQr\n"

	"rKYBouJ39H5+8MbcNtmfWmT9WvogZn8U3ffbz3qjkRxsJ8XjABiJY4egyk3nBXAB\n"

	"KjQyxbKbGeUXFLhJ4cq0OgFfid11MRQdIz2aSsutJ1llfVUm7cz2ES5rE6305Hg3\n"

	"tRr0LPAJ7XIwtgmmPUCNysnsr/pVrmPLfAnl/CfbLF2v/SfpbSpkgUTrZCNUMC44\n"

	"929K4c7cFEM4SP6pUad6MipPzY/SmxZ9yhX3MsROcLp+XLCOOJhhkqoB6LWiess2\n"

	"d7odweFRZ0Q0gBD/9EMMy3J5iUwfasf8b5n7z8AgPg9CeB+p/As2/RhRPXnwlS0A\n"

	"2KrxWQECgYEA0wM+5fJeL91s19vozCqi3mKVXTv68aL9iQJQNJc4UQm+yu7JvMn9\n"

	"koPri74QUpYkmyttaJsGNc90Oj54rSsR/cmEFJKgHOEAYSLeVetyO2XNoQvKdyB9\n"

	"UVof6joMLxQ368YCahfz4ogHTQqpzN0BD2TTnKXwCXQDikN/EBb4fHkCgYEA6aov\n"

	"8XVIVlxUY4VB/9PQ03OwxTLi+zTJMFJvNJozkat6MLJjAv2zxMt2kmlb0xx3wftD\n"

	"VJKHIQCeZmU8qWEZS0G58OPg+TPvQPqdnZmRz3bGfW6F++IDAqV4DEhQ+zXQL8Js\n"

	"j9+ocre+s0zXq1HkHgemBGOHy5/jN9cXnH3XTmECgYATRFiZ5mdzN2SY0RuQiNQW\n"

	"OiopOTDQn3FG8U8hfi1GOP2Syfrhog/lMOZw/AnBgLQW9wAmbQFEKI0URGAAb85U\n"

	"vfGxbzHvcRv3wpdKgRUNF16PNeRmvDC1HOWNHX+/TLlObeYKieVa6dDA2Bho/ET8\n"

	"gthPlVc1hcJM/Zy8e1x1AQKBgQCuLDiugGDaVtpkkIlAu8/WPk9Ovv6oh5FMHrZb\n"

	"/HFiLPLY56+cJCZjE9Kfkj9rHrY59yQaH1rwg7iO1PmhvAoRqb2DTSl+OHMn+WeR\n"

	"eU5R2dRc3QysU60wxMy2QxVyG4vCfedUW0ABuutAVZARWOp0Y/khHluzscu57O/h\n"

	"q3/ZIQKBgEXHmOjftWrkWV+/zfZT64k2Z1g7s3dpXW/SFK9jPrt6oqI1GNkYz6Ds\n"

	"O1dUiPsNXDCLytUtvYrvrT3rJaPjJDRU2HrN/cYdxXgf6HSEr3Cdcpqyp/5rOOxD\n"

	"ALEix6R4MZlsQV8FfgWjvTAET7NtY303JrCdFPqIigwl/PFGPLiB\n"

	"-----END RSA PRIVATE KEY-----\n";

static void server(int sd, const char *prio)

{

	gnutls_certificate_credentials_t serverx509cred;

	const gnutls_datum_t key = { server_key_pem,

		sizeof(server_key_pem)-1

	};

	int ret;

	gnutls_session_t session;

	gnutls_datum_t cert;

	const char *src = getenv("srcdir");

	char cert_path[256];

	if (src == NULL)

		src = ".";

	global_init();

	gnutls_global_set_log_function(tls_log_func);

	if (debug)

		gnutls_global_set_log_level(4711);

	side = "server";

	snprintf(cert_path, sizeof(cert_path), "%s/data/large-cert.pem", src);

	assert(gnutls_load_file(cert_path, &cert)>=0);

	assert(gnutls_certificate_allocate_credentials(&serverx509cred)>=0);

	assert(gnutls_certificate_set_x509_key_mem(serverx509cred,

					    &cert, &key,

					    GNUTLS_X509_FMT_PEM)>=0);

	gnutls_free(cert.data);

	assert(gnutls_init(&session, GNUTLS_SERVER)>=0);

	assert(gnutls_priority_set_direct(session, prio, NULL) >= 0);

	gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE,

				serverx509cred);

	gnutls_transport_set_int(session, sd);

	gnutls_handshake_set_timeout(session, 60 * 1000);

	do {

		ret = gnutls_handshake(session);

	} while(ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);

	if (ret < 0) {

		close(sd);

		gnutls_deinit(session);

		fail("server: Handshake has failed (%s)\n\n",

		     gnutls_strerror(ret));

		return;

	}

	if (debug)

		success("server: Handshake was completed\n");

	gnutls_bye(session, GNUTLS_SHUT_WR);

	close(sd);

	gnutls_deinit(session);

	gnutls_certificate_free_credentials(serverx509cred);

	gnutls_global_deinit();

	if (debug)

		success("server: finished\n");

}

static

void start(const char *name, const char *prio)

{

	pid_t child;

	int sockets[2];

	int err;

	success("testing %s\n", name);

	signal(SIGPIPE, SIG_IGN);

	signal(SIGCHLD, SIG_IGN);

	err = socketpair(AF_UNIX, SOCK_STREAM, 0, sockets);

	if (err == -1) {

		perror("socketpair");

		fail("socketpair failed\n");

		return;

	}

	child = fork();

	if (child < 0) {

		perror("fork");

		fail("fork");

		return;

	}

	if (child) {

		int status = 0;

		/* parent */

		close(sockets[0]);

		client(sockets[1], prio);

		wait(&status);

		check_wait_status(status);

	} else {

		close(sockets[1]);

		server(sockets[0], prio);

		exit(0);

	}

}

void doit(void)

{

	start("tls1.2", "NORMAL:-VERS-ALL:+VERS-TLS1.2");

	start("tls1.3", "NORMAL:-VERS-ALL:+VERS-TLS1.3");

	start("default", "NORMAL");

}

#endif				/* _WIN32 */