|
Packit |
aea12f |
/*
|
|
Packit |
aea12f |
* Copyright (C) 2014 Nikos Mavrogiannopoulos
|
|
Packit |
aea12f |
* Copyright (C) 2017 Red Hat, Inc.
|
|
Packit |
aea12f |
*
|
|
Packit |
aea12f |
* Author: Nikos Mavrogiannopoulos
|
|
Packit |
aea12f |
*
|
|
Packit |
aea12f |
* This file is part of GnuTLS.
|
|
Packit |
aea12f |
*
|
|
Packit |
aea12f |
* GnuTLS is free software; you can redistribute it and/or modify it
|
|
Packit |
aea12f |
* under the terms of the GNU General Public License as published by
|
|
Packit |
aea12f |
* the Free Software Foundation; either version 3 of the License, or
|
|
Packit |
aea12f |
* (at your option) any later version.
|
|
Packit |
aea12f |
*
|
|
Packit |
aea12f |
* GnuTLS is distributed in the hope that it will be useful, but
|
|
Packit |
aea12f |
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
Packit |
aea12f |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Packit |
aea12f |
* General Public License for more details.
|
|
Packit |
aea12f |
*
|
|
Packit |
aea12f |
* You should have received a copy of the GNU General Public License
|
|
Packit |
aea12f |
* along with GnuTLS; if not, write to the Free Software Foundation,
|
|
Packit |
aea12f |
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
|
Packit |
aea12f |
*/
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
#ifdef HAVE_CONFIG_H
|
|
Packit |
aea12f |
#include <config.h>
|
|
Packit |
aea12f |
#endif
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
#include <stdio.h>
|
|
Packit |
aea12f |
#include <stdlib.h>
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
#if defined(_WIN32)
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
int main()
|
|
Packit |
aea12f |
{
|
|
Packit |
aea12f |
exit(77);
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
#else
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
#include <string.h>
|
|
Packit |
aea12f |
#include <sys/types.h>
|
|
Packit |
aea12f |
#include <netinet/in.h>
|
|
Packit |
aea12f |
#include <sys/socket.h>
|
|
Packit |
aea12f |
#include <sys/wait.h>
|
|
Packit |
aea12f |
#include <arpa/inet.h>
|
|
Packit |
aea12f |
#include <unistd.h>
|
|
Packit |
aea12f |
#include <gnutls/gnutls.h>
|
|
Packit |
aea12f |
#include <gnutls/dtls.h>
|
|
Packit |
aea12f |
#include <signal.h>
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
#include "utils.h"
|
|
Packit |
aea12f |
#include "cert-common.h"
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
static void terminate(void);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
/* This program tests client initiated rehandshake.
|
|
Packit |
aea12f |
* On the initial handshake a certificate is requested from the
|
|
Packit |
aea12f |
* client, while on the following up not.
|
|
Packit |
aea12f |
*/
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
static void server_log_func(int level, const char *str)
|
|
Packit |
aea12f |
{
|
|
Packit |
aea12f |
fprintf(stderr, "server|<%d>| %s", level, str);
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
static void client_log_func(int level, const char *str)
|
|
Packit |
aea12f |
{
|
|
Packit |
aea12f |
fprintf(stderr, "client|<%d>| %s", level, str);
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
#define MAX_BUF 1024
|
|
Packit |
aea12f |
#define MAX_REHANDSHAKES 16
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
static void client(int fd)
|
|
Packit |
aea12f |
{
|
|
Packit |
aea12f |
int ret;
|
|
Packit |
aea12f |
char buffer[MAX_BUF + 1];
|
|
Packit |
aea12f |
gnutls_certificate_credentials_t x509_cred;
|
|
Packit |
aea12f |
gnutls_session_t session;
|
|
Packit |
aea12f |
unsigned i;
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
global_init();
|
|
Packit |
aea12f |
memset(buffer, 2, sizeof(buffer));
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
if (debug) {
|
|
Packit |
aea12f |
gnutls_global_set_log_function(client_log_func);
|
|
Packit |
aea12f |
gnutls_global_set_log_level(3);
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
gnutls_certificate_allocate_credentials(&x509_cred);
|
|
Packit |
aea12f |
gnutls_certificate_set_x509_key_mem(x509_cred, &cli_cert,
|
|
Packit |
aea12f |
&cli_key, GNUTLS_X509_FMT_PEM);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
/* Initialize TLS session
|
|
Packit |
aea12f |
*/
|
|
Packit |
aea12f |
gnutls_init(&session, GNUTLS_CLIENT);
|
|
Packit |
aea12f |
gnutls_handshake_set_timeout(session, 20 * 1000);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
/* Use default priorities */
|
|
Packit |
aea12f |
gnutls_priority_set_direct(session, "NORMAL:-VERS-TLS-ALL:+VERS-TLS1.2:+VERS-TLS1.1", NULL);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
gnutls_transport_set_int(session, fd);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
/* Perform the TLS handshake
|
|
Packit |
aea12f |
*/
|
|
Packit |
aea12f |
do {
|
|
Packit |
aea12f |
ret = gnutls_handshake(session);
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
if (ret < 0) {
|
|
Packit |
aea12f |
fail("client: Handshake failed\n");
|
|
Packit |
aea12f |
gnutls_perror(ret);
|
|
Packit |
aea12f |
exit(1);
|
|
Packit |
aea12f |
} else {
|
|
Packit |
aea12f |
if (debug)
|
|
Packit |
aea12f |
success("client: Handshake was completed\n");
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
if (debug)
|
|
Packit |
aea12f |
success("client: TLS version is: %s\n",
|
|
Packit |
aea12f |
gnutls_protocol_get_name
|
|
Packit |
aea12f |
(gnutls_protocol_get_version(session)));
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
for (i=0;i
|
|
Packit |
aea12f |
do {
|
|
Packit |
aea12f |
ret = gnutls_handshake(session);
|
|
Packit |
aea12f |
} while(ret == GNUTLS_E_INTERRUPTED || ret == GNUTLS_E_AGAIN);
|
|
Packit |
aea12f |
if (ret != 0) {
|
|
Packit |
aea12f |
fail("client: error in code after rehandshake: %s\n",
|
|
Packit |
aea12f |
gnutls_strerror(ret));
|
|
Packit |
aea12f |
exit(1);
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
do {
|
|
Packit |
aea12f |
do {
|
|
Packit |
aea12f |
ret =
|
|
Packit |
aea12f |
gnutls_record_recv(session, buffer,
|
|
Packit |
aea12f |
MAX_BUF);
|
|
Packit |
aea12f |
} while (ret == GNUTLS_E_AGAIN
|
|
Packit |
aea12f |
|| ret == GNUTLS_E_INTERRUPTED);
|
|
Packit |
aea12f |
} while (ret > 0);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
if (ret != 0) {
|
|
Packit |
aea12f |
fail("client: Error receiving: %s\n",
|
|
Packit |
aea12f |
gnutls_strerror(ret));
|
|
Packit |
aea12f |
exit(1);
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
gnutls_bye(session, GNUTLS_SHUT_WR);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
close(fd);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
gnutls_deinit(session);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
gnutls_certificate_free_credentials(x509_cred);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
gnutls_global_deinit();
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
/* These are global */
|
|
Packit |
aea12f |
pid_t child;
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
static void terminate(void)
|
|
Packit |
aea12f |
{
|
|
Packit |
aea12f |
kill(child, SIGTERM);
|
|
Packit |
aea12f |
exit(1);
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
static void server(int fd)
|
|
Packit |
aea12f |
{
|
|
Packit |
aea12f |
int ret;
|
|
Packit |
aea12f |
char buffer[MAX_BUF + 1];
|
|
Packit |
aea12f |
gnutls_session_t session;
|
|
Packit |
aea12f |
gnutls_certificate_credentials_t x509_cred;
|
|
Packit |
aea12f |
unsigned tries = 0;
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
/* this must be called once in the program
|
|
Packit |
aea12f |
*/
|
|
Packit |
aea12f |
global_init();
|
|
Packit |
aea12f |
memset(buffer, 0, sizeof(buffer));
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
if (debug) {
|
|
Packit |
aea12f |
gnutls_global_set_log_function(server_log_func);
|
|
Packit |
aea12f |
gnutls_global_set_log_level(4);
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
gnutls_certificate_allocate_credentials(&x509_cred);
|
|
Packit |
aea12f |
gnutls_certificate_set_x509_key_mem(x509_cred, &server_cert,
|
|
Packit |
aea12f |
&server_key, GNUTLS_X509_FMT_PEM);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
gnutls_init(&session, GNUTLS_SERVER);
|
|
Packit |
aea12f |
gnutls_handshake_set_timeout(session, 20 * 1000);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
/* avoid calling all the priority functions, since the defaults
|
|
Packit |
aea12f |
* are adequate.
|
|
Packit |
aea12f |
*/
|
|
Packit |
aea12f |
gnutls_priority_set_direct(session, "NORMAL:-VERS-TLS-ALL:+VERS-TLS1.2:+VERS-TLS1.1", NULL);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
|
|
Packit |
aea12f |
gnutls_certificate_server_set_request(session, GNUTLS_CERT_REQUIRE);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
gnutls_transport_set_int(session, fd);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
do {
|
|
Packit |
aea12f |
ret = gnutls_handshake(session);
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
|
|
Packit |
aea12f |
if (ret < 0) {
|
|
Packit |
aea12f |
close(fd);
|
|
Packit |
aea12f |
gnutls_deinit(session);
|
|
Packit |
aea12f |
fail("server: Handshake has failed (%s)\n\n",
|
|
Packit |
aea12f |
gnutls_strerror(ret));
|
|
Packit |
aea12f |
terminate();
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
if (debug)
|
|
Packit |
aea12f |
success("server: Handshake was completed\n");
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
if (debug)
|
|
Packit |
aea12f |
success("server: TLS version is: %s\n",
|
|
Packit |
aea12f |
gnutls_protocol_get_name
|
|
Packit |
aea12f |
(gnutls_protocol_get_version(session)));
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
gnutls_certificate_server_set_request(session, GNUTLS_CERT_IGNORE);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
do {
|
|
Packit |
aea12f |
tries++;
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
do {
|
|
Packit |
aea12f |
do {
|
|
Packit |
aea12f |
ret =
|
|
Packit |
aea12f |
gnutls_record_recv(session, buffer,
|
|
Packit |
aea12f |
MAX_BUF);
|
|
Packit |
aea12f |
} while (ret == GNUTLS_E_AGAIN
|
|
Packit |
aea12f |
|| ret == GNUTLS_E_INTERRUPTED);
|
|
Packit |
aea12f |
} while (ret > 0);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
if (ret == 0)
|
|
Packit |
aea12f |
break;
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
if (ret != GNUTLS_E_REHANDSHAKE) {
|
|
Packit |
aea12f |
fail("server: Error receiving client handshake request: %s\n", gnutls_strerror(ret));
|
|
Packit |
aea12f |
terminate();
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
if (debug)
|
|
Packit |
aea12f |
success("server: starting handshake\n");
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
ret = gnutls_handshake(session);
|
|
Packit |
aea12f |
if (ret != 0) {
|
|
Packit |
aea12f |
fail("server: unexpected error: %s\n", gnutls_strerror(ret));
|
|
Packit |
aea12f |
terminate();
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
if (debug)
|
|
Packit |
aea12f |
success("server: handshake %d\n", tries);
|
|
Packit |
aea12f |
} while(tries < MAX_REHANDSHAKES);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
if (tries < MAX_REHANDSHAKES)
|
|
Packit |
aea12f |
fail("server: only did %d rehandshakes\n", tries);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
ret = gnutls_record_send(session, "hello", 4);
|
|
Packit |
aea12f |
if (ret < 0) {
|
|
Packit |
aea12f |
fail("Error sending data: %s\n",
|
|
Packit |
aea12f |
gnutls_strerror(ret));
|
|
Packit |
aea12f |
terminate();
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
/* do not wait for the peer to close the connection.
|
|
Packit |
aea12f |
*/
|
|
Packit |
aea12f |
gnutls_bye(session, GNUTLS_SHUT_WR);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
close(fd);
|
|
Packit |
aea12f |
gnutls_deinit(session);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
gnutls_certificate_free_credentials(x509_cred);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
gnutls_global_deinit();
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
if (debug)
|
|
Packit |
aea12f |
success("server: finished\n");
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
static void start(void)
|
|
Packit |
aea12f |
{
|
|
Packit |
aea12f |
int fd[2];
|
|
Packit |
aea12f |
int ret;
|
|
Packit |
aea12f |
int status = 0;
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
ret = socketpair(AF_UNIX, SOCK_STREAM, 0, fd);
|
|
Packit |
aea12f |
if (ret < 0) {
|
|
Packit |
aea12f |
perror("socketpair");
|
|
Packit |
aea12f |
exit(1);
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
child = fork();
|
|
Packit |
aea12f |
if (child < 0) {
|
|
Packit |
aea12f |
perror("fork");
|
|
Packit |
aea12f |
fail("fork");
|
|
Packit |
aea12f |
exit(1);
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
if (child) {
|
|
Packit |
aea12f |
/* parent */
|
|
Packit |
aea12f |
close(fd[1]);
|
|
Packit |
aea12f |
server(fd[0]);
|
|
Packit |
aea12f |
wait(&status);
|
|
Packit |
aea12f |
check_wait_status(status);
|
|
Packit |
aea12f |
} else {
|
|
Packit |
aea12f |
close(fd[0]);
|
|
Packit |
aea12f |
client(fd[1]);
|
|
Packit |
aea12f |
exit(0);
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
static void ch_handler(int sig)
|
|
Packit |
aea12f |
{
|
|
Packit |
aea12f |
return;
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
void doit(void)
|
|
Packit |
aea12f |
{
|
|
Packit |
aea12f |
signal(SIGCHLD, ch_handler);
|
|
Packit |
aea12f |
signal(SIGPIPE, SIG_IGN);
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
start();
|
|
Packit |
aea12f |
}
|
|
Packit |
aea12f |
|
|
Packit |
aea12f |
#endif /* _WIN32 */
|