/*

 * 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 <stdlib.h>

#include <stdio.h>

#include <string.h>

#include <gnutls/gnutls.h>

#include <gnutls/x509.h>

#include <assert.h>

#include "utils.h"

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

{

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

}

static unsigned char saved_crq_pem[] =

	"-----BEGIN NEW CERTIFICATE REQUEST-----\n"

	"MIICSjCCAbMCAQAwKzEOMAwGA1UEAxMFbmlrb3MxGTAXBgNVBAoTEG5vbmUgdG8s\n"

	"IG1lbnRpb24wgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBALtmQ/Xyxde2jMzF\n"

	"3/WIO7HJS2oOoa0gUEAIgKFPXKPQ+GzP5jz37AR2ExeLZIkiW8DdU3w77XwEu4C5\n"

	"KL6Om8aOoKUSy/VXHqLnu7czSZ/ju0quak1o/8kR4jKNzj2AC41179gAgY8oBAOg\n"

	"Io1hBAf6tjd9IQdJ0glhaZiQo1ipAgMBAAGggd4wEgYJKoZIhvcNAQkHMQUTA2Zv\n"

	"bzCBxwYJKoZIhvcNAQkOMYG5MIG2MA8GA1UdEwEB/wQFMAMCAQAwDwYDVR0PAQH/\n"

	"BAUDAwcAADAjBgNVHREEHDAaggNhcGGCA2Zvb4IOeG4tLWt4YXdoay5jb20wHQYD\n"

	"VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAsGBCoDBAUEA8r+/zAUBggtA4KI\n"

	"9LkXBQEB/wQFyv7/+v4wKwYDVR0QBCQwIoAPMjAxOTA3MDkwNDI4MjZagQ8yMDE5\n"

	"MDcwOTA3MTUwNlowDQYJKoZIhvcNAQELBQADgYEAE7r9ujv9pIO7SnYRg69eQsyo\n"

	"3cnBi1efkH2OguYe6JT+a+1DA/0tO4GlT9PjAOX2yD2OicIHLVXWYzV8eX6exQma\n"

	"skdRMZurcSSMZm2VgdQmHU0Rv7o7mQSKGfcOD2fRiDMwNB35ZSY7tkPAe7ARp+zr\n"

	"lPY8cDpo1i570jttSQ4=\n"

	"-----END NEW CERTIFICATE REQUEST-----\n";

const gnutls_datum_t saved_crq = { saved_crq_pem, sizeof(saved_crq_pem)-1 };

static unsigned char key_pem[] =

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

	"MIICXAIBAAKBgQC7ZkP18sXXtozMxd/1iDuxyUtqDqGtIFBACIChT1yj0Phsz+Y8\n"

	"9+wEdhMXi2SJIlvA3VN8O+18BLuAuSi+jpvGjqClEsv1Vx6i57u3M0mf47tKrmpN\n"

	"aP/JEeIyjc49gAuNde/YAIGPKAQDoCKNYQQH+rY3fSEHSdIJYWmYkKNYqQIDAQAB\n"

	"AoGADpmARG5CQxS+AesNkGmpauepiCz1JBF/JwnyiX6vEzUh0Ypd39SZztwrDxvF\n"

	"PJjQaKVljml1zkJpIDVsqvHdyVdse8M+Qn6hw4x2p5rogdvhhIL1mdWo7jWeVJTF\n"

	"RKB7zLdMPs3ySdtcIQaF9nUAQ2KJEvldkO3m/bRJFEp54k0CQQDYy+RlTmwRD6hy\n"

	"7UtMjR0H3CSZJeQ8svMCxHLmOluG9H1UKk55ZBYfRTsXniqUkJBZ5wuV1L+pR9EK\n"

	"ca89a+1VAkEA3UmBelwEv2u9cAU1QjKjmwju1JgXbrjEohK+3B5y0ESEXPAwNQT9\n"

	"TrDM1m9AyxYTWLxX93dI5QwNFJtmbtjeBQJARSCWXhsoaDRG8QZrCSjBxfzTCqZD\n"

	"ZXtl807ymCipgJm60LiAt0JLr4LiucAsMZz6+j+quQbSakbFCACB8SLV1QJBAKZQ\n"

	"YKf+EPNtnmta/rRKKvySsi3GQZZN+Dt3q0r094XgeTsAqrqujVNfPhTMeP4qEVBX\n"

	"/iVX2cmMTSh3w3z8MaECQEp0XJWDVKOwcTW6Ajp9SowtmiZ3YDYo1LF9igb4iaLv\n"

	"sWZGfbnU3ryjvkb6YuFjgtzbZDZHWQCo8/cOtOBmPdk=\n"

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

const gnutls_datum_t key = { key_pem, sizeof(key_pem)-1 };

static time_t mytime(time_t * t)

{

	time_t then = 1207000800;

	if (t)

		*t = then;

	return then;

}

#define TIME1 1562646506

#define TIME2 1562656506

#define CPASS "foo"

#define CPASS_OID "1.2.840.113549.1.9.7"

static gnutls_x509_crq_t generate_crq(void)

{

	gnutls_x509_crq_t crq;

	gnutls_x509_privkey_t pkey;

	const char *err;

	int ret;

	size_t s = 0;

	char smallbuf[10];

	gnutls_datum_t out;

	unsigned crit;

	ret = gnutls_x509_privkey_init(&pkey);

	if (ret != 0)

		fail("gnutls_x509_privkey_init\n");

	ret = gnutls_x509_privkey_import(pkey, &key, GNUTLS_X509_FMT_PEM);

	if (ret != 0)

		fail("gnutls_x509_privkey_import\n");

	ret = gnutls_x509_crq_init(&crq;;

	if (ret != 0)

		fail("gnutls_x509_crq_init\n");

	ret = gnutls_x509_crq_set_version(crq, 0);

	if (ret != 0)

		fail("gnutls_x509_crq_set_version\n");

	ret = gnutls_x509_crq_set_key(crq, pkey);

	if (ret != 0)

		fail("gnutls_x509_crq_set_key\n");

	s = 0;

	ret = gnutls_x509_crq_get_extension_info(crq, 0, NULL, &s, NULL);

	if (ret != GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE)

		fail("gnutls_x509_crq_get_extension_info\n");

	ret = gnutls_x509_crq_set_basic_constraints(crq, 0, 0);

	if (ret != 0)

		fail("gnutls_x509_crq_set_basic_constraints %d\n", ret);

	ret = gnutls_x509_crq_set_key_usage(crq, 0);

	if (ret != 0)

		fail("gnutls_x509_crq_set_key_usage %d\n", ret);

	ret = gnutls_x509_crq_get_challenge_password(crq, NULL, &s);

	if (ret != GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE)

		fail("%d: gnutls_x509_crq_get_challenge_password %d: %s\n",

		     __LINE__, ret, gnutls_strerror(ret));

	ret = gnutls_x509_crq_set_dn(crq, "o = none to\\, mention,cn = nikos", &err;;

	if (ret < 0) {

		fail("gnutls_x509_crq_set_dn: %s, %s\n", gnutls_strerror(ret), err);

	}

	ret = gnutls_x509_crq_set_challenge_password(crq, CPASS);

	if (ret != 0)

		fail("gnutls_x509_crq_set_challenge_password %d\n", ret);

	s = 0;

	ret = gnutls_x509_crq_get_challenge_password(crq, NULL, &s);

	if (ret != GNUTLS_E_SHORT_MEMORY_BUFFER || s != 4)

		fail("%d: gnutls_x509_crq_get_challenge_password %d: %s (passlen: %d)\n", __LINE__, ret, gnutls_strerror(ret), (int) s);

	s = 10;

	ret = gnutls_x509_crq_get_challenge_password(crq, smallbuf, &s);

	if (ret != 0 || s != 3 || strcmp(smallbuf, "foo") != 0)

		fail("%d: gnutls_x509_crq_get_challenge_password3 %d/%d/%s\n", __LINE__, ret, (int) s, smallbuf);

	s = 0;

	ret = gnutls_x509_crq_get_extension_info(crq, 0, NULL, &s, NULL);

	if (ret != 0)

		fail("gnutls_x509_crq_get_extension_info2\n");

	s = 0;

	ret = gnutls_x509_crq_get_extension_data(crq, 0, NULL, &s);

	if (ret != 0)

		fail("gnutls_x509_crq_get_extension_data\n");

	ret = gnutls_x509_crq_set_subject_alt_name(crq, GNUTLS_SAN_DNSNAME,

						   "foo", 3, GNUTLS_FSAN_APPEND);

	if (ret != 0)

		fail("gnutls_x509_crq_set_subject_alt_name\n");

	ret = gnutls_x509_crq_set_subject_alt_name(crq, GNUTLS_SAN_DNSNAME,

						   "bar", 3, GNUTLS_FSAN_APPEND);

	if (ret != 0)

		fail("gnutls_x509_crq_set_subject_alt_name\n");

	ret = gnutls_x509_crq_set_subject_alt_name(crq, GNUTLS_SAN_DNSNAME,

						   "apa", 3, GNUTLS_FSAN_SET);

	if (ret != 0)

		fail("gnutls_x509_crq_set_subject_alt_name\n");

	ret = gnutls_x509_crq_set_subject_alt_name(crq, GNUTLS_SAN_DNSNAME,

						   "foo", 3, GNUTLS_FSAN_APPEND);

	if (ret != 0)

		fail("gnutls_x509_crq_set_subject_alt_name\n");

	ret = gnutls_x509_crq_set_subject_alt_name(crq, GNUTLS_SAN_DNSNAME,

						   "νίκο.com", strlen("νίκο.com"), GNUTLS_FSAN_APPEND);

#if defined(HAVE_LIBIDN2)

	if (ret != 0)

		fail("gnutls_x509_crt_set_subject_alt_name: %s\n", gnutls_strerror(ret));

#else

	if (ret != GNUTLS_E_UNIMPLEMENTED_FEATURE)

		fail("gnutls_x509_crt_set_subject_alt_name: %s\n", gnutls_strerror(ret));

#endif

	s = 0;

	ret = gnutls_x509_crq_get_key_purpose_oid(crq, 0, NULL, &s, NULL);

	if (ret != GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE)

		fail("gnutls_x509_crq_get_key_purpose_oid %d\n", ret);

	s = 0;

	ret =

	    gnutls_x509_crq_set_key_purpose_oid(crq,

						GNUTLS_KP_TLS_WWW_SERVER,

						0);

	if (ret != 0)

		fail("gnutls_x509_crq_set_key_purpose_oid %d\n", ret);

	s = 0;

	ret = gnutls_x509_crq_get_key_purpose_oid(crq, 0, NULL, &s, NULL);

	if (ret != GNUTLS_E_SHORT_MEMORY_BUFFER)

		fail("gnutls_x509_crq_get_key_purpose_oid %d\n", ret);

	s = 0;

	ret =

	    gnutls_x509_crq_set_key_purpose_oid(crq,

						GNUTLS_KP_TLS_WWW_CLIENT,

						1);

	if (ret != 0)

		fail("gnutls_x509_crq_set_key_purpose_oid2 %d\n", ret);

#define EXT_ID1 "1.2.3.4.5"

#define EXT_ID2 "1.5.3.555555991.5"

#define EXT_DATA1 "\xCA\xFE\xFF"

#define EXT_DATA2 "\xCA\xFE\xFF\xFA\xFE"

	/* test writing arbitrary extensions */

	ret = gnutls_x509_crq_set_extension_by_oid(crq, EXT_ID1, EXT_DATA1, sizeof(EXT_DATA1)-1, 0);

	if (ret != 0)

		fail("gnutls_x509_crq_set_extension_by_oid %s\n", gnutls_strerror(ret));

	ret = gnutls_x509_crq_set_extension_by_oid(crq, EXT_ID2, EXT_DATA2, sizeof(EXT_DATA2)-1, 1);

	if (ret != 0)

		fail("gnutls_x509_crq_set_extension_by_oid %s\n", gnutls_strerror(ret));

	ret = gnutls_x509_crq_set_private_key_usage_period(crq, TIME1, TIME2);

	if (ret != 0)

		fail("gnutls_x509_crq_set_private_key_usage_period\n");

	ret = gnutls_x509_crq_print(crq, GNUTLS_CRT_PRINT_FULL, &out;;

	if (ret != 0)

		fail("gnutls_x509_crq_print\n");

	if (debug)

		printf("crq: %.*s\n", out.size, out.data);

	gnutls_free(out.data);

	ret = gnutls_x509_crq_sign2(crq, pkey, GNUTLS_DIG_SHA256, 0);

	if (ret < 0)

		fail("gnutls_x509_crq_sign2: %s\n", gnutls_strerror(ret));

	gnutls_x509_privkey_deinit(pkey);

	/* test reading the arb. extensions */

	crit = -1;

	ret = gnutls_x509_crq_get_extension_by_oid2(crq, EXT_ID1, 0, &out, &crit);

	if (ret < 0)

		fail("gnutls_x509_crq_get_extension_by_oid2: %s\n", gnutls_strerror(ret));

	if (out.size != sizeof(EXT_DATA1)-1 || memcmp(out.data, EXT_DATA1, out.size) != 0) {

		fail("ext1 doesn't match\n");

	}

	if (crit != 0) {

		fail("ext1 crit flag doesn't match\n");

	}

	gnutls_free(out.data);

	crit = -1;

	ret = gnutls_x509_crq_get_extension_by_oid2(crq, EXT_ID2, 0, &out, &crit);

	if (ret < 0)

		fail("gnutls_x509_crq_get_extension_by_oid2: %s\n", gnutls_strerror(ret));

	if (out.size != sizeof(EXT_DATA2)-1 || memcmp(out.data, EXT_DATA2, out.size) != 0) {

		fail("ext2 doesn't match\n");

	}

	if (crit != 1) {

		fail("ext2 crit flag doesn't match\n");

	}

	gnutls_free(out.data);

	return crq;

}

/* Tests parameters from the generated CRQ */

static void test_crq(gnutls_x509_crq_t crq)

{

	int ret, pathlen;

	size_t s = 0;

	char buf[64];

	gnutls_datum_t out;

	time_t t1, t2;

	unsigned crit, ca, type;

	ret = gnutls_x509_crq_get_dn2(crq, &out;;

	assert(ret == 0);

	assert(out.size == 28);

	assert(memcmp(out.data, "CN=nikos,O=none to\\, mention", out.size)==0);

	gnutls_free(out.data);

	ret = gnutls_x509_crq_get_dn3(crq, &out, GNUTLS_X509_DN_FLAG_COMPAT);

	assert(ret == 0);

	assert(out.size == 28);

	assert(memcmp(out.data, "CN=nikos,O=none to\\, mention", out.size)==0);

	gnutls_free(out.data);

	ret = gnutls_x509_crq_get_dn3(crq, &out, 0);

	assert(ret == 0);

	assert(out.size == 28);

	assert(memcmp(out.data, "O=none to\\, mention,CN=nikos", out.size)==0);

	gnutls_free(out.data);

	ret = gnutls_x509_crq_get_basic_constraints(crq, &crit, &ca, &pathlen);

	assert(ret == 0);

	assert(ca == 0);

	assert(pathlen == 0);

	s = sizeof(buf);

	ret = gnutls_x509_crq_get_subject_alt_name(crq, 0, buf, &s, &type, &crit);

	assert(ret >= 0);

	assert(s == 3);

	assert(memcmp(buf, "apa", s) == 0);

	assert(type == GNUTLS_SAN_DNSNAME);

	assert(crit == 0);

	s = sizeof(buf);

	ret = gnutls_x509_crq_get_subject_alt_name(crq, 1, buf, &s, &type, &crit);

	assert(ret >= 0);

	assert(s == 3);

	assert(memcmp(buf, "foo", s) == 0);

	assert(type == GNUTLS_SAN_DNSNAME);

	assert(crit == 0);

	ret = gnutls_x509_crq_get_private_key_usage_period(crq, &t1, &t2, &crit);

	if (ret < 0)

		fail("gnutls_x509_crq_get_private_key_usage_period: %s\n", gnutls_strerror(ret));

	assert(t1 == TIME1);

	assert(t2 == TIME2);

	assert(crit == 0);

	/* check the challenge password using the attribute APIs */

	s = sizeof(buf);

	ret = gnutls_x509_crq_get_attribute_info(crq, 1, buf, &s);

	assert(ret >= 0);

	assert(s == sizeof(CPASS_OID));

	assert(memcmp(buf, CPASS_OID, s) == 0);

	/* check the contents */

	s = sizeof(buf);

	ret = gnutls_x509_crq_get_attribute_data(crq, 1, buf, &s);

	assert(ret >= 0);

	assert(s == sizeof(CPASS)-1+2);

	assert(memcmp(buf, "\x13\x03"CPASS, s) == 0);

}

static void run_set_extensions(gnutls_x509_crq_t crq)

{

	gnutls_x509_crt_t crt;

	const char *err = NULL;

	gnutls_datum_t out;

	int ret;

	ret = global_init();

	if (ret < 0)

		fail("global_init\n");

	gnutls_global_set_log_function(tls_log_func);

	if (debug)

		gnutls_global_set_log_level(4711);

	ret = gnutls_x509_crt_init(&crt;;

	if (ret != 0)

		fail("gnutls_x509_crt_init\n");

	ret = gnutls_x509_crt_set_crq(crt, crq);

	if (ret != 0)

		fail("gnutls_x509_crt_set_crq: %s\n", gnutls_strerror(ret));

	ret = gnutls_x509_crt_set_issuer_dn(crt, "o = big\\, and one, cn = my CA", &err;;

	if (ret < 0) {

		fail("gnutls_x509_crt_set_issuer_dn: %s, %s\n", gnutls_strerror(ret), err);

	}

	ret = gnutls_x509_crt_set_version(crt, 3);

	if (ret != 0)

		fail("gnutls_x509_crt_set_version\n");

	ret = gnutls_x509_crt_set_crq_extensions(crt, crq);

	if (ret != 0)

		fail("gnutls_x509_crt_set_crq_extensions\n");

	ret = gnutls_x509_crt_print(crt, GNUTLS_CRT_PRINT_FULL, &out;;

	if (ret != 0)

		fail("gnutls_x509_crt_print\n");

	if (debug)

		printf("crt: %.*s\n", out.size, out.data);

	gnutls_free(out.data);

	ret = gnutls_x509_crt_get_raw_issuer_dn(crt, &out;;

	if (ret < 0 || out.size == 0)

		fail("gnutls_x509_crt_get_raw_issuer_dn: %s\n", gnutls_strerror(ret));

	if (out.size != 41 ||

	    memcmp(out.data, "\x30\x27\x31\x0e\x30\x0c\x06\x03\x55\x04\x03\x13\x05\x6d\x79\x20\x43\x41\x31\x15\x30\x13\x06\x03\x55\x04\x0a\x13\x0c\x62\x69\x67\x2c\x20\x61\x6e\x64\x20\x6f\x6e\x65", 41) != 0) {

		hexprint(out.data, out.size);

		fail("issuer DN comparison failed\n");

	}

	gnutls_free(out.data);

	ret = gnutls_x509_crt_get_raw_dn(crt, &out;;

	if (ret < 0 || out.size == 0)

		fail("gnutls_x509_crt_get_raw_dn: %s\n", gnutls_strerror(ret));

	if (out.size != 45 ||

	    memcmp(out.data, "\x30\x2b\x31\x0e\x30\x0c\x06\x03\x55\x04\x03\x13\x05\x6e\x69\x6b\x6f\x73\x31\x19\x30\x17\x06\x03\x55\x04\x0a\x13\x10\x6e\x6f\x6e\x65\x20\x74\x6f\x2c\x20\x6d\x65\x6e\x74\x69\x6f\x6e", 45) != 0) {

		fail("DN comparison failed\n");

	}

	gnutls_free(out.data);

	gnutls_x509_crt_deinit(crt);

	gnutls_global_deinit();

}

static void run_set_extension_by_oid(gnutls_x509_crq_t crq)

{

	gnutls_x509_crt_t crt;

	const char *err = NULL;

	size_t oid_size;

	gnutls_datum_t out, out2;

	unsigned i;

	int ret;

	char oid[128];

	ret = global_init();

	if (ret < 0)

		fail("global_init\n");

	gnutls_global_set_log_function(tls_log_func);

	if (debug)

		gnutls_global_set_log_level(4711);

	ret = gnutls_x509_crt_init(&crt;;

	if (ret != 0)

		fail("gnutls_x509_crt_init\n");

	ret = gnutls_x509_crt_set_crq(crt, crq);

	if (ret != 0)

		fail("gnutls_x509_crt_set_crq: %s\n", gnutls_strerror(ret));

	ret = gnutls_x509_crt_set_issuer_dn(crt, "o = big\\, and one,cn = my CA", &err;;

	if (ret < 0) {

		fail("gnutls_x509_crt_set_issuer_dn: %s, %s\n", gnutls_strerror(ret), err);

	}

	ret = gnutls_x509_crt_set_version(crt, 3);

	if (ret != 0)

		fail("gnutls_x509_crt_set_version\n");

	ret = gnutls_x509_crt_set_crq_extension_by_oid(crt, crq, GNUTLS_X509EXT_OID_EXTENDED_KEY_USAGE, 0);

	if (ret != 0)

		fail("gnutls_x509_crt_set_crq_extension_by_oid\n");

	oid_size = sizeof(oid);

	ret = gnutls_x509_crt_get_extension_info(crt, 0, oid, &oid_size, NULL);

	if (ret != 0)

		fail("gnutls_x509_crt_get_extension_info\n");

	if (strcmp(oid, GNUTLS_X509EXT_OID_EXTENDED_KEY_USAGE) != 0)

		fail("strcmp\n");

	ret = gnutls_x509_crt_get_extension_data2(crt, 0, &out;;

	if (ret != 0)

		fail("gnutls_x509_crt_get_extension_data2\n");

	for (i=0;;i++) {

		oid_size = sizeof(oid);

		ret = gnutls_x509_crq_get_extension_info(crq, i, oid, &oid_size, NULL);

		if (ret < 0)

			fail("loop: ext not found: %s\n", gnutls_strerror(ret));

		if (strcmp(oid, GNUTLS_X509EXT_OID_EXTENDED_KEY_USAGE) == 0) {

			ret = gnutls_x509_crq_get_extension_data2(crq, 3, &out2);

			if (ret != 0)

				fail("gnutls_x509_crt_get_extension_data2\n");

			break;

		}

	}

	if (out.size != out2.size || memcmp(out.data, out2.data, out.size) != 0) {

		fail("memcmp %d, %d\n", out.size, out2.size);

	}

	gnutls_free(out.data);

	gnutls_free(out2.data);

	oid_size = sizeof(oid);

	ret = gnutls_x509_crt_get_extension_info(crt, 1, oid, &oid_size, NULL);

	if (ret != GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE)

		fail("gnutls_x509_crt_get_extension_info\n");

	ret = gnutls_x509_crt_get_raw_dn(crt, &out;;

	if (ret < 0 || out.size == 0)

		fail("gnutls_x509_crt_get_raw_dn: %s\n", gnutls_strerror(ret));

	if (out.size != 45 ||

	    memcmp(out.data, "\x30\x2b\x31\x0e\x30\x0c\x06\x03\x55\x04\x03\x13\x05\x6e\x69\x6b\x6f\x73\x31\x19\x30\x17\x06\x03\x55\x04\x0a\x13\x10\x6e\x6f\x6e\x65\x20\x74\x6f\x2c\x20\x6d\x65\x6e\x74\x69\x6f\x6e", 45) != 0) {

		fail("DN comparison failed\n");

	}

	gnutls_free(out.data);

	gnutls_x509_crt_deinit(crt);

	gnutls_global_deinit();

}

void doit(void)

{

	gnutls_datum_t out;

	gnutls_x509_crq_t crq;

	gnutls_global_set_time_function(mytime);

	crq = generate_crq();

	test_crq(crq);

	run_set_extensions(crq);

	run_set_extension_by_oid(crq);

	assert(gnutls_x509_crq_export2(crq, GNUTLS_X509_FMT_PEM, &out) >= 0);

#if defined(HAVE_LIBIDN2)

	assert(out.size == saved_crq.size);

	assert(memcmp(out.data, saved_crq.data, out.size)==0);

#endif

	gnutls_free(out.data);

	gnutls_x509_crq_deinit(crq);

}