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/*
* Copyright (C) 2009-2012 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, see <https://www.gnu.org/licenses/>.
*/
#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 "utils.h"
/* Thanks to Tomas Hoger <thoger@redhat.com> for generating the two
certs that trigger this bug. */
static char badguy_nul_cn_data[] =
"-----BEGIN CERTIFICATE-----\n"
"MIIDjTCCAnWgAwIBAgIBATANBgkqhkiG9w0BAQUFADB0MQswCQYDVQQGEwJHQjES\n"
"MBAGA1UECBMJQmVya3NoaXJlMRAwDgYDVQQHEwdOZXdidXJ5MRcwFQYDVQQKEw5N\n"
"eSBDb21wYW55IEx0ZDELMAkGA1UECxMCQ0ExGTAXBgNVBAMTEE5VTEwtZnJpZW5k\n"
"bHkgQ0EwHhcNMDkwODA0MDczMzQzWhcNMTkwODAyMDczMzQzWjAjMSEwHwYDVQQD\n"
"Exh3d3cuYmFuay5jb20ALmJhZGd1eS5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IB\n"
"DwAwggEKAoIBAQDNJnCWqaZdPpztDwgVWnwXJWhorxO5rUH6ElTihHJ9WNHiQELB\n"
"We0FPaoQU3AAiDp3oMBWnqx9ISpxRFEIvBcH2qijdtxRvBuK9gIaVb9GtERrJ16+\n"
"5ReLVrLGgjYRg6i/9y8NF/bNR7VvK6ZBto0zX+rqi7Ea4pk4/1lbCqFxE8o3P7mw\n"
"HpGayJM1DErgnfTSYcdOW0EKfDFUmdv1Zc6A08ICN2T9VBJ76qyFWVwX4S720Kjy\n"
"0C6UWS/Cpl/aB957LhQH7eQnJDedCS6x+VpIuYAkQ+bLx24139VpNP/m1p7odmZu\n"
"X1kBPJY77HILPB6VD85oE5wi3Ru1RChQSgV/AgMBAAGjezB5MAkGA1UdEwQCMAAw\n"
"LAYJYIZIAYb4QgENBB8WHU9wZW5TU0wgR2VuZXJhdGVkIENlcnRpZmljYXRlMB0G\n"
"A1UdDgQWBBQzFSS+2mY6BovZJzQ6r2JA5JVmXTAfBgNVHSMEGDAWgBQKaTlfnTAE\n"
"GAguAg7m6p2yJvbiajANBgkqhkiG9w0BAQUFAAOCAQEAMmUjH8jZU4SC0ArrFFEk\n"
"A7xsGypa/hvw6GkMKxmGz38ydtgr0s+LxNG2W5xgo5kuknIGzt6L0qLSiXwTqQtO\n"
"vhIJ5dYoOqynJlaUfxPuZH3elGB1wbxVl9SqE44C2LCwcFOuGFPOqrIshT7j8+Em\n"
"8/pc7vh7C8Y5tQQzXq64Xg5mzKjAag3sYMHF2TnqvRuPHH0WOLHoyDcBqkuZ3+QP\n"
"EL5h7prPzScFRgBg2Gp0CDI8i5ABagczDGyQ2+r7ahcadrtzFCfhpH7V3TCxXfIO\n"
"qtSy1Uz2T5EqB/Q3wc9IGcX+fpKWqN9QajGSo7EU/kHMSWKYTerFugUtScMicu9B\n"
"CQ==\n"
"-----END CERTIFICATE-----\n";
const gnutls_datum_t badguy_nul_cn = { (void *)badguy_nul_cn_data,
sizeof(badguy_nul_cn_data) };
static char badguy_nul_san_data[] =
"-----BEGIN CERTIFICATE-----\n"
"MIIDrTCCApWgAwIBAgIBADANBgkqhkiG9w0BAQUFADB0MQswCQYDVQQGEwJHQjES\n"
"MBAGA1UECBMJQmVya3NoaXJlMRAwDgYDVQQHEwdOZXdidXJ5MRcwFQYDVQQKEw5N\n"
"eSBDb21wYW55IEx0ZDELMAkGA1UECxMCQ0ExGTAXBgNVBAMTEE5VTEwtZnJpZW5k\n"
"bHkgQ0EwHhcNMDkwODA0MDY1MzA1WhcNMTkwODAyMDY1MzA1WjAZMRcwFQYDVQQD\n"
"Ew53d3cuYmFkZ3V5LmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB\n"
"AM0mcJappl0+nO0PCBVafBclaGivE7mtQfoSVOKEcn1Y0eJAQsFZ7QU9qhBTcACI\n"
"OnegwFaerH0hKnFEUQi8FwfaqKN23FG8G4r2AhpVv0a0RGsnXr7lF4tWssaCNhGD\n"
"qL/3Lw0X9s1HtW8rpkG2jTNf6uqLsRrimTj/WVsKoXETyjc/ubAekZrIkzUMSuCd\n"
"9NJhx05bQQp8MVSZ2/VlzoDTwgI3ZP1UEnvqrIVZXBfhLvbQqPLQLpRZL8KmX9oH\n"
"3nsuFAft5CckN50JLrH5Wki5gCRD5svHbjXf1Wk0/+bWnuh2Zm5fWQE8ljvscgs8\n"
"HpUPzmgTnCLdG7VEKFBKBX8CAwEAAaOBpDCBoTAJBgNVHRMEAjAAMCwGCWCGSAGG\n"
"+EIBDQQfFh1PcGVuU1NMIEdlbmVyYXRlZCBDZXJ0aWZpY2F0ZTAdBgNVHQ4EFgQU\n"
"MxUkvtpmOgaL2Sc0Oq9iQOSVZl0wHwYDVR0jBBgwFoAUCmk5X50wBBgILgIO5uqd\n"
"sib24mowJgYDVR0RBB8wHYIbd3d3LmJhbmsuY29tAHd3dy5iYWRndXkuY29tMA0G\n"
"CSqGSIb3DQEBBQUAA4IBAQAnbn2zqYZSV2qgxjBsHpQJp2+t/hGfvjKNAXuLlGbX\n"
"fLaxkPzk9bYyvGxxI7EYiNZHvNoHx15GcTrmQG7Bfx1WlnBl2FGp3J6lBgCY5x4Q\n"
"vIK6AOVOog8+7Irdb8bJweztbXwxPmaHR6GLFTwhfuwheD0hcHK6cMNk+B1P2dAn\n"
"PD5+olmuvprTAESncjrjP8ibxY+xlP4AD264FIjxA1CRUa/wHve4WqRXNS3xrciu\n"
"3SlhFH3q0TSAXBv960PcIW3GRPk7VHbEkVuspI5y59gk/6dawO8nw9fk+X9VjQ0w\n"
"7KLZbch29L6UPRIySpFP28PndgdaEpcYtxUAmFkhiT41\n"
"-----END CERTIFICATE-----\n";
const gnutls_datum_t badguy_nul_san = { (void *)badguy_nul_san_data,
sizeof(badguy_nul_san_data) };
void doit(void)
{
gnutls_x509_crt_t crt;
int ret;
ret = global_init();
if (ret < 0) {
fail("global_init");
exit(1);
}
ret = gnutls_x509_crt_init(&crt);
if (ret != 0) {
fail("gnutls_x509_crt_init");
exit(1);
}
ret = gnutls_x509_crt_import(crt, &badguy_nul_cn, GNUTLS_X509_FMT_PEM);
if (ret < 0) {
fail("gnutls_x509_crt_import");
exit(1);
}
ret = gnutls_x509_crt_check_hostname(crt, "www.bank.com");
if (ret == 0) {
if (debug)
success("gnutls_x509_crt_check_hostname OK (NUL-IN-CN)");
} else {
fail("gnutls_x509_crt_check_hostname BROKEN (NUL-IN-CN)");
}
ret = gnutls_x509_crt_import(crt, &badguy_nul_san, GNUTLS_X509_FMT_PEM);
if (ret < 0) {
fail("gnutls_x509_crt_import");
exit(1);
}
ret = gnutls_x509_crt_check_hostname(crt, "www.bank.com");
if (ret == 0) {
if (debug)
success("gnutls_x509_crt_check_hostname OK (NUL-IN-SAN)");
} else {
fail("gnutls_x509_crt_check_hostname BROKEN (NUL-IN-SAN)");
}
gnutls_x509_crt_deinit(crt);
gnutls_global_deinit();
}
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