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/*
* Copyright (C) 2012 Free Software Foundation, 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 General Public License
* along with GnuTLS. 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)
void doit(void)
{
exit(77);
}
#else
#include <string.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/wait.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <gnutls/gnutls.h>
#include <gnutls/dtls.h>
#include <signal.h>
#include "utils.h"
/* This program tests the robustness of record
* decoding.
*/
static void client_log_func(int level, const char *str)
{
fprintf(stderr, "client|<%d>| %s", level, str);
}
static unsigned char server_cert_pem[] =
"-----BEGIN CERTIFICATE-----\n"
"MIICVjCCAcGgAwIBAgIERiYdMTALBgkqhkiG9w0BAQUwGTEXMBUGA1UEAxMOR251\n"
"VExTIHRlc3QgQ0EwHhcNMDcwNDE4MTMyOTIxWhcNMDgwNDE3MTMyOTIxWjA3MRsw\n"
"GQYDVQQKExJHbnVUTFMgdGVzdCBzZXJ2ZXIxGDAWBgNVBAMTD3Rlc3QuZ251dGxz\n"
"Lm9yZzCBnDALBgkqhkiG9w0BAQEDgYwAMIGIAoGA17pcr6MM8C6pJ1aqU46o63+B\n"
"dUxrmL5K6rce+EvDasTaDQC46kwTHzYWk95y78akXrJutsoKiFV1kJbtple8DDt2\n"
"DZcevensf9Op7PuFZKBroEjOd35znDET/z3IrqVgbtm2jFqab7a+n2q9p/CgMyf1\n"
"tx2S5Zacc1LWn9bIjrECAwEAAaOBkzCBkDAMBgNVHRMBAf8EAjAAMBoGA1UdEQQT\n"
"MBGCD3Rlc3QuZ251dGxzLm9yZzATBgNVHSUEDDAKBggrBgEFBQcDATAPBgNVHQ8B\n"
"Af8EBQMDB6AAMB0GA1UdDgQWBBTrx0Vu5fglyoyNgw106YbU3VW0dTAfBgNVHSME\n"
"GDAWgBTpPBz7rZJu5gakViyi4cBTJ8jylTALBgkqhkiG9w0BAQUDgYEAaFEPTt+7\n"
"bzvBuOf7+QmeQcn29kT6Bsyh1RHJXf8KTk5QRfwp6ogbp94JQWcNQ/S7YDFHglD1\n"
"AwUNBRXwd3riUsMnsxgeSDxYBfJYbDLeohNBsqaPDJb7XailWbMQKfAbFQ8cnOxg\n"
"rOKLUQRWJ0K3HyXRMhbqjdLIaQiCvQLuizo=\n"
"-----END CERTIFICATE-----\n";
const gnutls_datum_t server_cert = { server_cert_pem, sizeof(server_cert_pem) };
static unsigned char server_key_pem[] =
"-----BEGIN RSA PRIVATE KEY-----\n"
"MIICXAIBAAKBgQDXulyvowzwLqknVqpTjqjrf4F1TGuYvkrqtx74S8NqxNoNALjq\n"
"TBMfNhaT3nLvxqResm62ygqIVXWQlu2mV7wMO3YNlx696ex/06ns+4VkoGugSM53\n"
"fnOcMRP/PciupWBu2baMWppvtr6far2n8KAzJ/W3HZLllpxzUtaf1siOsQIDAQAB\n"
"AoGAYAFyKkAYC/PYF8e7+X+tsVCHXppp8AoP8TEZuUqOZz/AArVlle/ROrypg5kl\n"
"8YunrvUdzH9R/KZ7saNZlAPLjZyFG9beL/am6Ai7q7Ma5HMqjGU8kTEGwD7K+lbG\n"
"iomokKMOl+kkbY/2sI5Czmbm+/PqLXOjtVc5RAsdbgvtmvkCQQDdV5QuU8jap8Hs\n"
"Eodv/tLJ2z4+SKCV2k/7FXSKWe0vlrq0cl2qZfoTUYRnKRBcWxc9o92DxK44wgPi\n"
"oMQS+O7fAkEA+YG+K9e60sj1K4NYbMPAbYILbZxORDecvP8lcphvwkOVUqbmxOGh\n"
"XRmTZUuhBrJhJKKf6u7gf3KWlPl6ShKEbwJASC118cF6nurTjuLf7YKARDjNTEws\n"
"qZEeQbdWYINAmCMj0RH2P0mvybrsXSOD5UoDAyO7aWuqkHGcCLv6FGG+qwJAOVqq\n"
"tXdUucl6GjOKKw5geIvRRrQMhb/m5scb+5iw8A4LEEHPgGiBaF5NtJZLALgWfo5n\n"
"hmC8+G8F0F78znQtPwJBANexu+Tg5KfOnzSILJMo3oXiXhf5PqXIDmbN0BKyCKAQ\n"
"LfkcEcUbVfmDaHpvzwY9VEaoMOKVLitETXdNSxVpvWM=\n"
"-----END RSA PRIVATE KEY-----\n";
const gnutls_datum_t server_key = { server_key_pem, sizeof(server_key_pem) };
/* A very basic TLS client, with anonymous authentication.
*/
static void client(int fd, const char *prio)
{
int ret;
unsigned r;
gnutls_certificate_credentials_t x509_cred;
gnutls_session_t session;
/* Need to enable anonymous KX specifically. */
gnutls_global_init();
if (debug) {
gnutls_global_set_log_function(client_log_func);
gnutls_global_set_log_level(7);
}
gnutls_certificate_allocate_credentials(&x509_cred);
/* Initialize TLS session
*/
gnutls_init(&session, GNUTLS_CLIENT);
/* Use default priorities */
gnutls_priority_set_direct(session, prio, NULL);
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
gnutls_transport_set_int(session, fd);
/* Perform the TLS handshake
*/
do {
ret = gnutls_handshake(session);
} while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
r = gnutls_ecc_curve_get(session);
if (r == 0xffffffff) {
fprintf(stderr, "memory was overwritten\n");
kill(getpid(), SIGSEGV);
}
if (ret == GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER) {
fprintf(stderr, "client: Handshake failed (expected): %s\n",
gnutls_strerror(ret));
goto cleanup;
} else {
fprintf(stderr,
"client: Handshake was completed or failed with unknown error code(%d): %s\n",
ret, gnutls_strerror(ret));
kill(getpid(), SIGSEGV);
}
cleanup:
close(fd);
gnutls_deinit(session);
gnutls_certificate_free_credentials(x509_cred);
gnutls_global_deinit();
}
/* These are global */
pid_t child;
static void server(int fd, const char *prio)
{
int ret;
uint8_t id[255];
uint8_t buffer[] =
"\x16\x03\x01\x01\x25"
"\x02\x00\x01\x21"
"\x03\x01" /*Server Version */
/*Random */
"\x00\x00\x00\x00\x01\x00\x00\x00\x00\x01\x00\x00\x00\x00\x01\x00\x00\x00\x00\x01\x00\x00\x00\x00\x01\x00\x00\x00\x00\x01\x00\x00"
/*SessionID */ "\xfe";
ret = read(fd, id, sizeof(id));
if (ret < 0) {
abort();
}
ret = write(fd, buffer, sizeof(buffer));
if (ret < 0) {
return;
}
memset(id, 0xff, sizeof(id));
ret = write(fd, id, sizeof(id));
if (ret < 0) {
return;
}
memset(id, 0xff, sizeof(id));
ret = write(fd, id, sizeof(id));
if (ret < 0) {
return;
}
sec_sleep(3);
return;
}
static void start(const char *prio)
{
int fd[2];
int ret;
ret = socketpair(AF_UNIX, SOCK_STREAM, 0, fd);
if (ret < 0) {
perror("socketpair");
exit(1);
}
child = fork();
if (child < 0) {
perror("fork");
exit(1);
}
if (child) {
/* parent */
close(fd[1]);
server(fd[0], prio);
kill(child, SIGTERM);
} else {
close(fd[0]);
client(fd[1], prio);
exit(0);
}
}
static void ch_handler(int sig)
{
int status;
wait(&status);
check_wait_status(status);
return;
}
void doit(void)
{
signal(SIGCHLD, ch_handler);
signal(SIGPIPE, SIG_IGN);
start("NORMAL:-VERS-ALL:+VERS-TLS1.2");
}
#endif /* _WIN32 */
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