/*
* 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, 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>
#if defined(_WIN32)
int main()
{
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 <assert.h>
#include <signal.h>
#include "utils.h"
#include "cert-common.h"
/* This program tests whether the GNUTLS_CERT_* flags
* work as expected.
*/
static void server_log_func(int level, const char *str)
{
// fprintf (stderr, "server|<%d>| %s", level, str);
}
static void client_log_func(int level, const char *str)
{
fprintf(stderr, "client|<%d>| %s", level, str);
}
#define MAX_BUF 1024
static void client(int fd, const char *prio)
{
int ret;
const char *p;
gnutls_certificate_credentials_t x509_cred;
gnutls_session_t session;
global_init();
if (debug) {
gnutls_global_set_log_function(client_log_func);
gnutls_global_set_log_level(7);
}
gnutls_certificate_allocate_credentials(&x509_cred);
gnutls_init(&session, GNUTLS_CLIENT);
ret =
gnutls_priority_set_direct(session,
prio, &p);
if (ret < 0) {
fail("error in setting priority: %s\n", p);
exit(1);
}
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);
if (ret < 0) {
if (debug) {
fail("client: Handshake failed\n");
gnutls_perror(ret);
}
exit(1);
} else {
if (debug)
success("client: Handshake was completed\n");
}
if (debug)
success("client: TLS version is: %s\n",
gnutls_protocol_get_name
(gnutls_protocol_get_version(session)));
close(fd);
gnutls_deinit(session);
gnutls_certificate_free_credentials(x509_cred);
gnutls_global_deinit();
}
static void server(int fd, const char *prio, unsigned status, int expected)
{
int ret;
char buffer[MAX_BUF + 1];
gnutls_session_t session;
gnutls_certificate_credentials_t x509_cred;
/* this must be called once in the program
*/
global_init();
memset(buffer, 0, sizeof(buffer));
gnutls_init(&session, GNUTLS_SERVER);
assert(gnutls_priority_set_direct(session,
prio, NULL)>=0);
if (debug) {
gnutls_global_set_log_function(server_log_func);
gnutls_global_set_log_level(4711);
}
gnutls_certificate_allocate_credentials(&x509_cred);
gnutls_certificate_set_x509_key_mem(x509_cred, &server_cert,
&server_key,
GNUTLS_X509_FMT_PEM);
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
gnutls_transport_set_int(session, fd);
gnutls_certificate_server_set_request(session, status);
do {
ret = gnutls_handshake(session);
}
while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
if (ret == expected) {
if (debug)
success
("server: Handshake finished as expected (%d)\n", ret);
goto finish;
} else {
fail("expected %d, handshake returned %d\n", expected,
ret);
}
if (debug)
success("server: Handshake was completed\n");
if (debug)
success("server: TLS version is: %s\n",
gnutls_protocol_get_name
(gnutls_protocol_get_version(session)));
finish:
close(fd);
gnutls_deinit(session);
gnutls_certificate_free_credentials(x509_cred);
gnutls_global_deinit();
if (debug)
success("server: finished\n");
}
static void start(const char *prio, unsigned status, int expected)
{
int fd[2];
int ret;
pid_t child;
int pstatus = 0;
success("testing: %s (%d,%d)\n", prio, status, expected);
ret = socketpair(AF_UNIX, SOCK_STREAM, 0, fd);
if (ret < 0) {
perror("socketpair");
exit(1);
}
child = fork();
if (child < 0) {
perror("fork");
fail("fork");
exit(1);
}
if (child) {
/* parent */
close(fd[1]);
server(fd[0], prio, status, expected);
waitpid(-1, &pstatus, 0);
check_wait_status_for_sig(pstatus);
} else {
close(fd[0]);
client(fd[1], prio);
exit(0);
}
}
static void ch_handler(int sig)
{
return;
}
void doit(void)
{
signal(SIGCHLD, ch_handler);
signal(SIGPIPE, SIG_IGN);
start("NONE:+VERS-TLS1.0:+AES-128-CBC:+SHA1:+SIGN-ALL:+COMP-NULL:+RSA", GNUTLS_CERT_IGNORE, 0);
start("NONE:+VERS-TLS1.0:+AES-128-CBC:+SHA1:+SIGN-ALL:+COMP-NULL:+RSA", GNUTLS_CERT_REQUEST, 0);
start("NONE:+VERS-TLS1.0:+AES-128-CBC:+SHA1:+SIGN-ALL:+COMP-NULL:+RSA", GNUTLS_CERT_REQUIRE, GNUTLS_E_NO_CERTIFICATE_FOUND);
start("NORMAL:-VERS-ALL:+VERS-TLS1.2", GNUTLS_CERT_IGNORE, 0);
start("NORMAL:-VERS-ALL:+VERS-TLS1.2", GNUTLS_CERT_REQUEST, 0);
start("NORMAL:-VERS-ALL:+VERS-TLS1.2", GNUTLS_CERT_REQUIRE, GNUTLS_E_NO_CERTIFICATE_FOUND);
start("NORMAL:-VERS-ALL:+VERS-TLS1.3", GNUTLS_CERT_IGNORE, 0);
start("NORMAL:-VERS-ALL:+VERS-TLS1.3", GNUTLS_CERT_REQUEST, 0);
start("NORMAL:-VERS-ALL:+VERS-TLS1.3", GNUTLS_CERT_REQUIRE, GNUTLS_E_CERTIFICATE_REQUIRED);
start("NORMAL", GNUTLS_CERT_IGNORE, 0);
start("NORMAL", GNUTLS_CERT_REQUEST, 0);
start("NORMAL", GNUTLS_CERT_REQUIRE, GNUTLS_E_CERTIFICATE_REQUIRED);
}
#endif /* _WIN32 */