|
Packit Service |
4684c1 |
/*
|
|
Packit Service |
4684c1 |
* Copyright (C) 2004-2016 Free Software Foundation, Inc.
|
|
Packit Service |
4684c1 |
* Copyright (C) 2017 Red Hat, Inc.
|
|
Packit Service |
4684c1 |
*
|
|
Packit Service |
4684c1 |
* Author: Thierry Quemerais, Nikos Mavrogiannopoulos
|
|
Packit Service |
4684c1 |
*
|
|
Packit Service |
4684c1 |
* This file is part of GnuTLS.
|
|
Packit Service |
4684c1 |
*
|
|
Packit Service |
4684c1 |
* GnuTLS is free software; you can redistribute it and/or modify it
|
|
Packit Service |
4684c1 |
* under the terms of the GNU General Public License as published by
|
|
Packit Service |
4684c1 |
* the Free Software Foundation; either version 3 of the License, or
|
|
Packit Service |
4684c1 |
* (at your option) any later version.
|
|
Packit Service |
4684c1 |
*
|
|
Packit Service |
4684c1 |
* GnuTLS is distributed in the hope that it will be useful, but
|
|
Packit Service |
4684c1 |
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
Packit Service |
4684c1 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Packit Service |
4684c1 |
* General Public License for more details.
|
|
Packit Service |
4684c1 |
*
|
|
Packit Service |
4684c1 |
* You should have received a copy of the GNU Lesser General Public License
|
|
Packit Service |
4684c1 |
* along with this program. If not, see <https://www.gnu.org/licenses/>
|
|
Packit Service |
4684c1 |
*/
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* This program tests whether an extension is exchanged when registered
|
|
Packit Service |
4684c1 |
* at the session level */
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
#ifdef HAVE_CONFIG_H
|
|
Packit Service |
4684c1 |
#include <config.h>
|
|
Packit Service |
4684c1 |
#endif
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
#include <stdio.h>
|
|
Packit Service |
4684c1 |
#include <stdlib.h>
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
#if defined(_WIN32)
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* socketpair isn't supported on Win32. */
|
|
Packit Service |
4684c1 |
int main(int argc, char **argv)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
exit(77);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
#else
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
#include <string.h>
|
|
Packit Service |
4684c1 |
#include <sys/types.h>
|
|
Packit Service |
4684c1 |
#include <sys/socket.h>
|
|
Packit Service |
4684c1 |
#if !defined(_WIN32)
|
|
Packit Service |
4684c1 |
#include <sys/wait.h>
|
|
Packit Service |
4684c1 |
#include <signal.h>
|
|
Packit Service |
4684c1 |
#endif
|
|
Packit Service |
4684c1 |
#include <unistd.h>
|
|
Packit Service |
4684c1 |
#include <gnutls/gnutls.h>
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
#include "utils.h"
|
|
Packit Service |
4684c1 |
#include "cert-common.h"
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
const char *side = "";
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static void tls_log_func(int level, const char *str)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
fprintf(stderr, "%s|<%d>| %s", side, level, str);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static int TLSEXT_TYPE_client_sent = 0;
|
|
Packit Service |
4684c1 |
static int TLSEXT_TYPE_client_received = 0;
|
|
Packit Service |
4684c1 |
static int TLSEXT_TYPE_server_sent = 0;
|
|
Packit Service |
4684c1 |
static int TLSEXT_TYPE_server_received = 0;
|
|
Packit Service |
4684c1 |
static int overridden_extension = -1;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static const unsigned char ext_data[] =
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
0xFE,
|
|
Packit Service |
4684c1 |
0xED
|
|
Packit Service |
4684c1 |
};
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static int ext_recv_client_params(gnutls_session_t session, const unsigned char *buf, size_t buflen)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
if (buflen != sizeof(ext_data))
|
|
Packit Service |
4684c1 |
fail("ext_recv_client_params: Invalid input buffer length\n");
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (memcmp(buf, ext_data, sizeof(ext_data)) != 0)
|
|
Packit Service |
4684c1 |
fail("ext_recv_client_params: Invalid input buffer data\n");
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
TLSEXT_TYPE_client_received = 1;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_ext_set_data(session, overridden_extension, session);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
return 0; //Success
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static int ext_send_client_params(gnutls_session_t session, gnutls_buffer_t extdata)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
TLSEXT_TYPE_client_sent = 1;
|
|
Packit Service |
4684c1 |
gnutls_buffer_append_data(extdata, ext_data, sizeof(ext_data));
|
|
Packit Service |
4684c1 |
return sizeof(ext_data);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static int ext_recv_server_params(gnutls_session_t session, const unsigned char *buf, size_t buflen)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
if (buflen != sizeof(ext_data))
|
|
Packit Service |
4684c1 |
fail("ext_recv_server_params: Invalid input buffer length\n");
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (memcmp(buf, ext_data, sizeof(ext_data)) != 0)
|
|
Packit Service |
4684c1 |
fail("ext_recv_server_params: Invalid input buffer data\n");
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
TLSEXT_TYPE_server_received = 1;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
return 0; //Success
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static int ext_send_server_params(gnutls_session_t session, gnutls_buffer_t extdata)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
TLSEXT_TYPE_server_sent = 1;
|
|
Packit Service |
4684c1 |
gnutls_buffer_append_data(extdata, ext_data, sizeof(ext_data));
|
|
Packit Service |
4684c1 |
return sizeof(ext_data);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static void client(int sd)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
int ret;
|
|
Packit Service |
4684c1 |
gnutls_session_t session;
|
|
Packit Service |
4684c1 |
gnutls_certificate_credentials_t clientx509cred;
|
|
Packit Service |
4684c1 |
void *p;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
global_init();
|
|
Packit Service |
4684c1 |
gnutls_global_set_log_function(tls_log_func);
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
gnutls_global_set_log_level(4711);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
side = "client";
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_certificate_allocate_credentials(&clientx509cred);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* Initialize TLS session
|
|
Packit Service |
4684c1 |
*/
|
|
Packit Service |
4684c1 |
gnutls_init(&session, GNUTLS_CLIENT);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* Use default priorities */
|
|
Packit Service |
4684c1 |
gnutls_priority_set_direct(session, "PERFORMANCE:+ANON-ECDH:+ANON-DH",
|
|
Packit Service |
4684c1 |
NULL);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* put the anonymous credentials to the current session
|
|
Packit Service |
4684c1 |
*/
|
|
Packit Service |
4684c1 |
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE,
|
|
Packit Service |
4684c1 |
clientx509cred);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_transport_set_int(session, sd);
|
|
Packit Service |
4684c1 |
gnutls_handshake_set_timeout(session, 20 * 1000);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
ret = gnutls_session_ext_register(session, "ext_client", overridden_extension, GNUTLS_EXT_TLS, ext_recv_client_params, ext_send_client_params, NULL, NULL, NULL, 0);
|
|
Packit Service |
4684c1 |
if (ret != GNUTLS_E_ALREADY_REGISTERED)
|
|
Packit Service |
4684c1 |
fail("client: register existing extension (%d)\n", overridden_extension);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
ret = gnutls_session_ext_register(session, "ext_client", 0, GNUTLS_EXT_TLS, ext_recv_client_params, ext_send_client_params, NULL, NULL, NULL, GNUTLS_EXT_FLAG_OVERRIDE_INTERNAL);
|
|
Packit Service |
4684c1 |
if (ret != GNUTLS_E_ALREADY_REGISTERED)
|
|
Packit Service |
4684c1 |
fail("client: register extension %d\n", 0);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
ret = gnutls_session_ext_register(session, "ext_client", overridden_extension, GNUTLS_EXT_TLS, ext_recv_client_params, ext_send_client_params, NULL, NULL, NULL, GNUTLS_EXT_FLAG_OVERRIDE_INTERNAL);
|
|
Packit Service |
4684c1 |
if (ret < 0)
|
|
Packit Service |
4684c1 |
fail("client: register extension (%d)\n", overridden_extension);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* Perform the TLS handshake
|
|
Packit Service |
4684c1 |
*/
|
|
Packit Service |
4684c1 |
ret = gnutls_handshake(session);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (ret < 0) {
|
|
Packit Service |
4684c1 |
fail("[%d]: client: Handshake failed\n", overridden_extension);
|
|
Packit Service |
4684c1 |
gnutls_perror(ret);
|
|
Packit Service |
4684c1 |
goto end;
|
|
Packit Service |
4684c1 |
} else {
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success("client: Handshake was completed\n");
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (TLSEXT_TYPE_client_sent != 1 || TLSEXT_TYPE_client_received != 1)
|
|
Packit Service |
4684c1 |
fail("client: extension not properly sent/received\n");
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
ret = gnutls_ext_get_data(session, overridden_extension, &p);
|
|
Packit Service |
4684c1 |
if (ret < 0) {
|
|
Packit Service |
4684c1 |
fail("gnutls_ext_get_data: %s\n", gnutls_strerror(ret));
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (p != session) {
|
|
Packit Service |
4684c1 |
fail("client: gnutls_ext_get_data failed\n");
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_bye(session, GNUTLS_SHUT_RDWR);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
end:
|
|
Packit Service |
4684c1 |
close(sd);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_deinit(session);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_certificate_free_credentials(clientx509cred);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_global_deinit();
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static void server(int sd)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
gnutls_certificate_credentials_t serverx509cred;
|
|
Packit Service |
4684c1 |
int ret;
|
|
Packit Service |
4684c1 |
gnutls_session_t session;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* this must be called once in the program
|
|
Packit Service |
4684c1 |
*/
|
|
Packit Service |
4684c1 |
global_init();
|
|
Packit Service |
4684c1 |
gnutls_global_set_log_function(tls_log_func);
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
gnutls_global_set_log_level(4711);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
side = "server";
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_certificate_allocate_credentials(&serverx509cred);
|
|
Packit Service |
4684c1 |
gnutls_certificate_set_x509_key_mem(serverx509cred,
|
|
Packit Service |
4684c1 |
&server_cert, &server_key,
|
|
Packit Service |
4684c1 |
GNUTLS_X509_FMT_PEM);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_init(&session, GNUTLS_SERVER);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* avoid calling all the priority functions, since the defaults
|
|
Packit Service |
4684c1 |
* are adequate.
|
|
Packit Service |
4684c1 |
*/
|
|
Packit Service |
4684c1 |
gnutls_priority_set_direct(session, "PERFORMANCE:+ANON-ECDH:+ANON-DH",
|
|
Packit Service |
4684c1 |
NULL);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE,
|
|
Packit Service |
4684c1 |
serverx509cred);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
ret = gnutls_session_ext_register(session, "ext_server", overridden_extension, GNUTLS_EXT_TLS, ext_recv_server_params, ext_send_server_params, NULL, NULL, NULL, 0);
|
|
Packit Service |
4684c1 |
if (ret != GNUTLS_E_ALREADY_REGISTERED)
|
|
Packit Service |
4684c1 |
fail("client: register existing extension\n");
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
ret = gnutls_session_ext_register(session, "ext_server", overridden_extension, GNUTLS_EXT_TLS, ext_recv_server_params, ext_send_server_params, NULL, NULL, NULL, GNUTLS_EXT_FLAG_OVERRIDE_INTERNAL);
|
|
Packit Service |
4684c1 |
if (ret < 0)
|
|
Packit Service |
4684c1 |
fail("client: register extension\n");
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_transport_set_int(session, sd);
|
|
Packit Service |
4684c1 |
gnutls_handshake_set_timeout(session, 20 * 1000);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
ret = gnutls_handshake(session);
|
|
Packit Service |
4684c1 |
if (ret < 0) {
|
|
Packit Service |
4684c1 |
close(sd);
|
|
Packit Service |
4684c1 |
gnutls_deinit(session);
|
|
Packit Service |
4684c1 |
fail("[%d]: server: Handshake has failed (%s)\n\n",
|
|
Packit Service |
4684c1 |
overridden_extension, gnutls_strerror(ret));
|
|
Packit Service |
4684c1 |
return;
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success("server: Handshake was completed\n");
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (TLSEXT_TYPE_server_sent != 1 || TLSEXT_TYPE_server_received != 1)
|
|
Packit Service |
4684c1 |
fail("server: extension not properly sent/received\n");
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* do not wait for the peer to close the connection.
|
|
Packit Service |
4684c1 |
*/
|
|
Packit Service |
4684c1 |
gnutls_bye(session, GNUTLS_SHUT_WR);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
close(sd);
|
|
Packit Service |
4684c1 |
gnutls_deinit(session);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_certificate_free_credentials(serverx509cred);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_global_deinit();
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success("server: finished\n");
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static void override_ext(unsigned extension)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
pid_t child;
|
|
Packit Service |
4684c1 |
int sockets[2];
|
|
Packit Service |
4684c1 |
int err;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
signal(SIGPIPE, SIG_IGN);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
err = socketpair(AF_UNIX, SOCK_STREAM, 0, sockets);
|
|
Packit Service |
4684c1 |
if (err == -1) {
|
|
Packit Service |
4684c1 |
perror("socketpair");
|
|
Packit Service |
4684c1 |
fail("socketpair failed\n");
|
|
Packit Service |
4684c1 |
return;
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
TLSEXT_TYPE_client_sent = 0;
|
|
Packit Service |
4684c1 |
TLSEXT_TYPE_client_received = 0;
|
|
Packit Service |
4684c1 |
TLSEXT_TYPE_server_sent = 0;
|
|
Packit Service |
4684c1 |
TLSEXT_TYPE_server_received = 0;
|
|
Packit Service |
4684c1 |
overridden_extension = extension;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
child = fork();
|
|
Packit Service |
4684c1 |
if (child < 0) {
|
|
Packit Service |
4684c1 |
perror("fork");
|
|
Packit Service |
4684c1 |
fail("fork");
|
|
Packit Service |
4684c1 |
return;
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (child) {
|
|
Packit Service |
4684c1 |
int status;
|
|
Packit Service |
4684c1 |
/* parent */
|
|
Packit Service |
4684c1 |
close(sockets[1]);
|
|
Packit Service |
4684c1 |
server(sockets[0]);
|
|
Packit Service |
4684c1 |
wait(&status);
|
|
Packit Service |
4684c1 |
check_wait_status(status);
|
|
Packit Service |
4684c1 |
} else {
|
|
Packit Service |
4684c1 |
close(sockets[0]);
|
|
Packit Service |
4684c1 |
client(sockets[1]);
|
|
Packit Service |
4684c1 |
exit(0);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
void doit(void)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
override_ext(1);
|
|
Packit Service |
4684c1 |
override_ext(21);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
#endif /* _WIN32 */
|