/*

 * Copyright (C) 2008-2014 Free Software Foundation, Inc.

 *

 * Author: Simon Josefsson, 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 <gnutls/gnutls.h>

#include <gnutls/x509.h>

#include "utils.h"

static const char *simple1[] = {

/* CRL */

"-----BEGIN X509 CRL-----\n"

"MIIBmjCBgwIBATANBgkqhkiG9w0BAQsFADAPMQ0wCwYDVQQDEwRDQS0wGA8yMDE0\n"

"MDkxMzA5MDUyM1oYDzIwMTUwOTEzMDkwNTIzWjAAoDowODAfBgNVHSMEGDAWgBTx\n"

"Fcb1FYLbhH9yuqg4wlVJUZnYKTAVBgNVHRQEDgIMVBQI0zeJoFHkLaWNMA0GCSqG\n"

"SIb3DQEBCwUAA4IBAQB6SGYePy1MBmtELyWdnlJHlQ4bBgb4vjuLDSfH0X6b4dAS\n"

"MEZws8iA5SaJFIioIP41s3lfQ1Am7GjSoNccHdrLmEcUSTQLwLYaDL8SgxekP5Au\n"

"w8HTu1cz/mnjBBDURq1RvyGNFm6MXf1Rg/bHSea/EpDkn8KY152BT1/46iQ+Uho6\n"

"hz6UUWsTB4Lj25X8F2hlKwQcb3E63Or2XEPBw4rhaCDFAtSZeBaGUUSJ8CLUKXZf\n"

"5b45MjiZ/osgd81tfn3wdQVjDnaQwNtjeRbK+qU0Z4pIKBvHzRS/fZKwTnrK1DLI\n"

"yY/nqBJT/+Q5zdUx5FXp0bwyZuarJ1GHqcES3Rz1\n"

"-----END X509 CRL-----\n",

/* CA - cert_signing_key only */

"-----BEGIN CERTIFICATE-----\n"

"MIIC4DCCAcigAwIBAgIBADANBgkqhkiG9w0BAQsFADAPMQ0wCwYDVQQDEwRDQS0w\n"

"MCIYDzIwMTQwOTEzMDkwNTIzWhgPOTk5OTEyMzEyMzU5NTlaMA8xDTALBgNVBAMT\n"

"BENBLTAwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCybbzvQTOmfwlA\n"

"+q8F/4ms42nhl5lo1lK6JCvE7jZdhqZNXE8e1eNACrU6rCxRQynDhOyAOCLQAAul\n"

"ivNMCW+SFN0IkSYXSRM8aWIDOZT8FyWB3yJSyvi3+SMgm7OYHFW8htH8qaIv0xJf\n"

"1h/ADBE62j9uaQIg7qSn6pVHMDHaITAbPg3y6II1iP3W28Vj/rtvK9yoZu4AThSD\n"

"Vdjl8WT4b4VOBbmioSNCDjx2C73+HLM2eUsdumCVcjWD9gkvCKkqTbOVplGRvCzO\n"

"sKNVGJamH9eGOjF2Az9XuYR+m7jWdIyTitLtbliyFiWwFguQ7BAPVnUS3TSKoLKL\n"

"X9WRGDIVAgMBAAGjQzBBMA8GA1UdEwEB/wQFMAMBAf8wDwYDVR0PAQH/BAUDAwcG\n"

"ADAdBgNVHQ4EFgQU8RXG9RWC24R/crqoOMJVSVGZ2CkwDQYJKoZIhvcNAQELBQAD\n"

"ggEBAASDvSD6Gt9E/IANgJ2lq7cvqKHhK/S0crpBHmzouLU1YANAbva8vZ2iVsgP\n"

"ojj5+QKosXgZM67g1u4Vr/Kt7APwYDVV9NlfE7BLSaksaQbh6J464rJ8pXONW6xP\n"

"z6tl/Pm1RqXuxzgnUv700OFuxBnnbglz9aQk5eS7kag8bfUx8MfN5gbW34nB79fn\n"

"5943Z8DmcDfUQZRY66v4S/NAYs7s96ABMB18u9Ct6KqGP/LKfDt2bgeTE/1b68T+\n"

"xmYF8N+JsJ3qP4lqBHgHLUL945nEoG8yDPIiZw3pmw1SyS0ktoVASynAh3W5j//r\n"

"d9Uk2Ojqo2tp/lJ0LCuQ3nWeM2Y=\n"

"-----END CERTIFICATE-----\n"

};

static const char *simple1_broken[] = {

/* CRL with some bits flipped */

"-----BEGIN X509 CRL-----\n"

"MIIBmjCBgwIBATANBgkqhkiG9w0BAQsFADAPMQ0wCwYDVQQDEwRDQS0wGA8yMDE0\n"

"MDkxMzA5MDUyM1oYDzIwMTUwOTEzMDkwNTIzWjAAoDowODAfBgNVHSMEGDAWgBTx\n"

"Fcb1FYLbhH9yuqg4wlVJUZnYKTAVBgNVHRQEDgIMVBQI0zeJoFHkLaWNMA0GCSqG\n"

"SIb3DQEBCwUAA4IBAQB6SGYePy1MBmtELyWdnlJHlQ4bBgb4vjuLDSfH0X6b4dAS\n"

"MEZws8iA5SaJFIioIP41s3lfQ1Am7GjSoNccHdrLmEcUSTQLwLYaDL8SgxekP5Au\n"

"w8HTu1cz/mnjBBDURq1RvyGNFm6MXf1Rg/bHSea/EpDkn8KY152BT1/46iQ+Uho6\n"

"hz6UUWsTB4Lj25X8F3hlKwQcb3E63Or2XEPBw4rhaCDFAtSZeBaGUUSJ8CLUKXZf\n"

"5b45MjiZ/osgd81tfn3wdQVjDnaQwNtjeRbK+qU0Z4pIKBvHzRS/fZKwTnrK1DLI\n"

"yY/nqBJT/+Q5zdUx5FXp0bwyZuarJ1GHqcES3Rz1\n"

"-----END X509 CRL-----\n",

/* CA - cert_signing_key only */

"-----BEGIN CERTIFICATE-----\n"

"MIIC4DCCAcigAwIBAgIBADANBgkqhkiG9w0BAQsFADAPMQ0wCwYDVQQDEwRDQS0w\n"

"MCIYDzIwMTQwOTEzMDkwNTIzWhgPOTk5OTEyMzEyMzU5NTlaMA8xDTALBgNVBAMT\n"

"BENBLTAwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCybbzvQTOmfwlA\n"

"+q8F/4ms42nhl5lo1lK6JCvE7jZdhqZNXE8e1eNACrU6rCxRQynDhOyAOCLQAAul\n"

"ivNMCW+SFN0IkSYXSRM8aWIDOZT8FyWB3yJSyvi3+SMgm7OYHFW8htH8qaIv0xJf\n"

"1h/ADBE62j9uaQIg7qSn6pVHMDHaITAbPg3y6II1iP3W28Vj/rtvK9yoZu4AThSD\n"

"Vdjl8WT4b4VOBbmioSNCDjx2C73+HLM2eUsdumCVcjWD9gkvCKkqTbOVplGRvCzO\n"

"sKNVGJamH9eGOjF2Az9XuYR+m7jWdIyTitLtbliyFiWwFguQ7BAPVnUS3TSKoLKL\n"

"X9WRGDIVAgMBAAGjQzBBMA8GA1UdEwEB/wQFMAMBAf8wDwYDVR0PAQH/BAUDAwcG\n"

"ADAdBgNVHQ4EFgQU8RXG9RWC24R/crqoOMJVSVGZ2CkwDQYJKoZIhvcNAQELBQAD\n"

"ggEBAASDvSD6Gt9E/IANgJ2lq7cvqKHhK/S0crpBHmzouLU1YANAbva8vZ2iVsgP\n"

"ojj5+QKosXgZM67g1u4Vr/Kt7APwYDVV9NlfE7BLSaksaQbh6J464rJ8pXONW6xP\n"

"z6tl/Pm1RqXuxzgnUv700OFuxBnnbglz9aQk5eS7kag8bfUx8MfN5gbW34nB79fn\n"

"5943Z8DmcDfUQZRY66v4S/NAYs7s96ABMB18u9Ct6KqGP/LKfDt2bgeTE/1b68T+\n"

"xmYF8N+JsJ3qP4lqBHgHLUL945nEoG8yDPIiZw3pmw1SyS0ktoVASynAh3W5j//r\n"

"d9Uk2Ojqo2tp/lJ0LCuQ3nWeM2Y=\n"

"-----END CERTIFICATE-----\n"

};

static const char *simple1_constraints[] = {

/* CRL */

"-----BEGIN X509 CRL-----\n"

"MIIBmjCBgwIBATANBgkqhkiG9w0BAQsFADAPMQ0wCwYDVQQDEwRDQS0wGA8yMDE0\n"

"MDkxMzA4NTkxNloYDzIwMTUwOTEzMDg1OTE2WjAAoDowODAfBgNVHSMEGDAWgBTn\n"

"sISO6h9leKTKtOh/HG0jV03AMzAVBgNVHRQEDgIMVBQHZC2mj6EAgMPSMA0GCSqG\n"

"SIb3DQEBCwUAA4IBAQBHUgtxpOn8EHwlajVYoOh6DFCwIoxBIeUA4518W1cHoV7J\n"

"KMif6lmJRodrcbienDX781QcOaQcNnuu/oBEcoBdbZa0VICzXekIteSwEgGsbRve\n"

"QQFPnZn83I4btse1ly5fdxMsliSM+qRwIyNR18VHXZz9GWYrr4tYWnI2b9XrDnaC\n"

"1b3Ywt7I9pNi0/O0C0rE/37/VvPx6HghnC+un7LtT0Y0n+FQP7dhlMvzHaR8wVxs\n"

"WAzaNvSiJ1rVPzL21iCmQJsRQeDTSJBlzm0lWiU8Nys3ugM2KlERezfp8DkFGA3y\n"

"9Yzpq6gAi39ZK+LjopgGDkrQjxzBIaoe2bcDqB7X\n"

"-----END X509 CRL-----\n",

/* CA - cert_signing_key only */

"-----BEGIN CERTIFICATE-----\n"

"MIIC4DCCAcigAwIBAgIBADANBgkqhkiG9w0BAQsFADAPMQ0wCwYDVQQDEwRDQS0w\n"

"MCIYDzIwMTQwOTEzMDg1OTE2WhgPOTk5OTEyMzEyMzU5NTlaMA8xDTALBgNVBAMT\n"

"BENBLTAwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC7AVMcGmvenCAt\n"

"14Yi2zi6In2vjNakbzDfUa5xaG8oD73h4P8zP2TQqDmUBAAi5EdXoF5/crpgnGY3\n"

"oyUEFYnT7GTI/FO+RxZz9jCLvY3hpeuJcofsFny8n0ARL9WiFKuAEvrZkg+6V3Fh\n"

"TC9bCOFsGVTaLiUoi/nkD9IUgCkybFTqZM+8tLT4/gCMFNs9e0ANa5F+wtvS0bjy\n"

"LLozq6+XpzEXlL3UNKJq9cf02zHjb9ftlMDykRRkGPzppBSfOCJAMOX/BBNpWznJ\n"

"I1bg0m/6X3+SDO3j0PKLVc7BWWTnXXHb4rznwcRZm8zJiKKFE0GDOijzpT6Dl/gX\n"

"JI0lroeJAgMBAAGjQzBBMA8GA1UdEwEB/wQFMAMBAf8wDwYDVR0PAQH/BAUDAwcE\n"

"ADAdBgNVHQ4EFgQU57CEjuofZXikyrTofxxtI1dNwDMwDQYJKoZIhvcNAQELBQAD\n"

"ggEBALPFKXFauyO0R7Y+zhpiqYe1ms4qU9aprr/x4GMG4ByZ0i0FK8Kh+L5BsNQA\n"

"FsEMeEEmKTHKzkMHfvTJ6y/K6P9rTVY7W2MqlX8IXM02L3fg0zn7Xd9CtCG1nnzh\n"

"fQMf/K/9Xqiotjlrgo8noEZksGPIvDPXXY98dd0clGnBvw2HwiG4h+csr4i9y7CH\n"

"tpnTRJnfzdqDYIh8vnM0tIJbXbe5DBLHnmnx15FQB1apFNa87gdBHAnkHCXrV1vC\n"

"oZXEeUL/zW2ax+ALOglM82dwex2qV9jgcsWfq1Y2JBlVT1QPpbAooCnjvBhmPCjX\n"

"qYkVfApeRr4QAwwkLnyfSKNLHco=\n"

"-----END CERTIFICATE-----\n"

};

static const char *simple1_fail[] = {

/* CRL */

"-----BEGIN X509 CRL-----\n"

"MIIBmjCBgwIBATANBgkqhkiG9w0BAQsFADAPMQ0wCwYDVQQDEwRDQS0wGA8yMDE0\n"

"MDkxMzA4NTkxNloYDzIwMTUwOTEzMDg1OTE2WjAAoDowODAfBgNVHSMEGDAWgBTn\n"

"sISO6h9leKTKtOh/HG0jV03AMzAVBgNVHRQEDgIMVBQHZC2mj6EAgMPSMA0GCSqG\n"

"SIb3DQEBCwUAA4IBAQBHUgtxpOn8EHwlajVYoOh6DFCwIoxBIeUA4518W1cHoV7J\n"

"KMif6lmJRodrcbienDX781QcOaQcNnuu/oBEcoBdbZa0VICzXekIteSwEgGsbRve\n"

"QQFPnZn83I4btse1ly5fdxMsliSM+qRwIyNR18VHXZz9GWYrr4tYWnI2b9XrDnaC\n"

"1b3Ywt7I9pNi0/O0C0rE/37/VvPx6HghnC+un7LtT0Y0n+FQP7dhlMvzHaR8wVxs\n"

"WAzaNvSiJ1rVPzL21iCmQJsRQeDTSJBlzm0lWiU8Nys3ugM2KlERezfp8DkFGA3y\n"

"9Yzpq6gAi39ZK+LjopgGDkrQjxzBIaoe2bcDqB7X\n"

"-----END X509 CRL-----\n",

/* CA (unrelated to CRL) */

"-----BEGIN CERTIFICATE-----\n"

"MIIDFTCCAf2gAwIBAgIBATANBgkqhkiG9w0BAQsFADAPMQ0wCwYDVQQDEwRDQS0w\n"

"MCIYDzIwMTQwODI2MTEwODUyWhgPOTk5OTEyMzEyMzU5NTlaMA8xDTALBgNVBAMT\n"

"BENBLTEwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC+iPUnEs+qmj2U\n"

"Rz8plNAE/CpeUxUfNNVonluu4DzulsxAJMN78g+Oqx+ggdkECZxHLISkzErMgiuv\n"

"bG+nr9yxjyHH2YoOAgzgknar5JkOBkKp1bIvyA950ZSygMFEHX1qoaM+F/1/DKjG\n"

"NmMCNUpR0c4m+K22s72LnrpMLMmCZU0fnqngb1+F+iZE6emhcX5Z5D0QTJTAeiYK\n"

"ArnO0rpVEvU0o3nwe3dDrT0YyoCYrzCsCOKUa2wFtkOzLZKJbMBRMflL+fBmtj/Q\n"

"7xUe7ox62ZEqSD7W+Po48/mIuSOhx7u+yToBZ60wKGz9OkQ/JwykkK5ZgI+nPWGT\n"

"1au1K4V7AgMBAAGjeDB2MA8GA1UdEwEB/wQFMAMBAf8wEgYDVR0eAQH/BAgwBqEE\n"

"MAKCADAPBgNVHQ8BAf8EBQMDBwQAMB0GA1UdDgQWBBSgAJcc9Q5KDpAhkrMORPJS\n"

"boq3vzAfBgNVHSMEGDAWgBQ/lKQpHoyEFz7J+Wn6eT5qxgYQpjANBgkqhkiG9w0B\n"

"AQsFAAOCAQEAoMeZ0cnHes8bWRHLvrGc6wpwVnxYx2CBF9Xd3k4YMNunwBF9oM+T\n"

"ZYSMo4k7C1XZ154avBIyiCne3eU7/oHG1nkqY9ndN5LMyL8KFOniETBY3BdKtlGA\n"

"N+pDiQsrWG6mtqQ+kHFJICnGEDDByGB2eH+oAS+8gNtSfamLuTWYMI6ANjA9OWan\n"

"rkIA7ta97UiH2flvKRctqvZ0n6Vp3n3aUc53FkAbTnxOCBNCBx/veCgD/r74WbcY\n"

"jiwh2RE//3D3Oo7zhUlwQEWQSa/7poG5e6bl7oj4JYjpwSmESCYokT83Iqeb9lwO\n"

"D+dr9zs1tCudW9xz3sUg6IBXhZ4UvegTNg==\n"

"-----END CERTIFICATE-----\n"

};

static struct

{

  const char *name;

  const char **crl;

  const char **ca;

  unsigned int verify_flags;

  unsigned int expected_verify_result;

} crl_list[] =

{

  { "simple-success", &simple1[0], &simple1[1],

    0, 0 },

  { "simple-constraints", &simple1_constraints[0], &simple1_constraints[1],

    0, GNUTLS_CERT_SIGNER_CONSTRAINTS_FAILURE|GNUTLS_CERT_INVALID },

  { "simple-broken", &simple1_broken[0], &simple1_broken[1],

    0, GNUTLS_CERT_INVALID | GNUTLS_CERT_SIGNATURE_FAILURE },

  { "simple-fail", &simple1_fail[0], &simple1_fail[1],

    0, GNUTLS_CERT_INVALID | GNUTLS_CERT_SIGNER_NOT_FOUND},

  { NULL, NULL, NULL, 0, 0}

};

/* GnuTLS internally calls time() to find out the current time when

   verifying certificates.  To avoid a time bomb, we hard code the

   current time.  This should work fine on systems where the library

   call to time is resolved at run-time.  */

static time_t mytime(time_t * t)

{

	time_t then = 1410599367;

	if (t)

		*t = then;

	return then;

}

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

{

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

}

void doit(void)

{

	int exit_val = 0;

	size_t i;

	int ret;

	gnutls_x509_trust_list_t tl;

	unsigned int verify_status;

	gnutls_x509_crl_t crl;

	gnutls_x509_crt_t ca;

	gnutls_datum_t tmp;

	/* The overloading of time() seems to work in linux (ELF?)

	 * systems only. Disable it on windows.

	 */

#ifdef _WIN32

	exit(77);

#endif

	ret = global_init();

	if (ret != 0) {

		fail("%d: %s\n", ret, gnutls_strerror(ret));

		exit(1);

	}

	gnutls_global_set_time_function(mytime);

	gnutls_global_set_log_function(tls_log_func);

	if (debug)

		gnutls_global_set_log_level(4711);

	for (i = 0; crl_list[i].name; i++) {

		if (debug)

			printf("Chain '%s' (%d)...\n", crl_list[i].name,

				(int) i);

		if (debug > 2)

			printf("\tAdding CRL...");

		ret = gnutls_x509_crl_init(&crl;;

		if (ret < 0) {

			fprintf(stderr,

				"gnutls_x509_crl_init[%d]: %s\n",

				(int) i,

				gnutls_strerror(ret));

			exit(1);

		}

		tmp.data = (unsigned char *) *crl_list[i].crl;

		tmp.size = strlen(*crl_list[i].crl);

		ret =

		    gnutls_x509_crl_import(crl, &tmp,

					   GNUTLS_X509_FMT_PEM);

		if (debug > 2)

		printf("done\n");

		if (ret < 0) {

			fprintf(stderr,

				"gnutls_x509_crl_import[%s]: %s\n",

				crl_list[i].name,

				gnutls_strerror(ret));

			exit(1);

		}

		gnutls_x509_crl_print(crl,

				      GNUTLS_CRT_PRINT_ONELINE,

				      &tmp);

		if (debug)

			printf("\tCRL: %.*s\n", 

				tmp.size, tmp.data);

		gnutls_free(tmp.data);

		if (debug > 2)

			printf("\tAdding CA certificate...");

		ret = gnutls_x509_crt_init(&ca);

		if (ret < 0) {

			fprintf(stderr, "gnutls_x509_crt_init: %s\n",

				gnutls_strerror(ret));

			exit(1);

		}

		tmp.data = (unsigned char *) *crl_list[i].ca;

		tmp.size = strlen(*crl_list[i].ca);

		ret =

		    gnutls_x509_crt_import(ca, &tmp, GNUTLS_X509_FMT_PEM);

		if (ret < 0) {

			fprintf(stderr, "gnutls_x509_crt_import: %s\n",

				gnutls_strerror(ret));

			exit(1);

		}

		if (debug > 2)

			printf("done\n");

		gnutls_x509_crt_print(ca, GNUTLS_CRT_PRINT_ONELINE, &tmp);

		if (debug)

			printf("\tCA Certificate: %.*s\n", tmp.size,

				tmp.data);

		gnutls_free(tmp.data);

		if (debug)

			printf("\tVerifying...");

		ret = gnutls_x509_crl_verify(crl, &ca, 1, crl_list[i].verify_flags,

						  &verify_status);

		if (ret < 0) {

			fprintf(stderr,

				"gnutls_x509_crt_list_verify[%d]: %s\n",

				(int) i, gnutls_strerror(ret));

			exit(1);

		}

		if (verify_status != crl_list[i].expected_verify_result) {

			gnutls_datum_t out1, out2;

			gnutls_certificate_verification_status_print

			    (verify_status, GNUTLS_CRT_X509, &out1, 0);

			gnutls_certificate_verification_status_print(crl_list

								     [i].

								     expected_verify_result,

								     GNUTLS_CRT_X509,

								     &out2,

								     0);

			fail("chain[%s]:\nverify_status: %d: %s\nexpected: %d: %s\n", crl_list[i].name, verify_status, out1.data, crl_list[i].expected_verify_result, out2.data);

			gnutls_free(out1.data);

			gnutls_free(out2.data);

			if (!debug)

				exit(1);

		} else if (debug)

			printf("done\n");

		gnutls_x509_trust_list_init(&tl, 0);

		ret =

		    gnutls_x509_trust_list_add_cas(tl, &ca, 1, 0);

		if (ret != 1) {

			fail("gnutls_x509_trust_list_add_trust_mem\n");

			exit(1);

		}

		/* make sure that the two functions don't diverge */

		ret = gnutls_x509_trust_list_add_crls(tl, &crl, 1, GNUTLS_TL_VERIFY_CRL, crl_list[i].verify_flags);

		if (crl_list[i].expected_verify_result == 0 && ret < 0) {

			fprintf(stderr,

				"gnutls_x509_trust_list_add_crls[%d]: %s\n",

				(int) i, gnutls_strerror(ret));

			exit(1);

		}

		if (crl_list[i].expected_verify_result != 0 && ret > 0) {

			fprintf(stderr,

				"gnutls_x509_trust_list_add_crls[%d]: succeeded when it shouldn't\n",

				(int) i);

			exit(1);

		}

		if (debug)

			printf("\tCleanup...");

		gnutls_x509_trust_list_deinit(tl, 0);

		gnutls_x509_crt_deinit(ca);

		gnutls_x509_crl_deinit(crl);

		if (debug)

			printf("done\n\n\n");

	}

	gnutls_global_deinit();

	if (debug)

		printf("Exit status...%d\n", exit_val);

	exit(exit_val);

}