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549fdc |
/*
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549fdc |
* Copyright (C) 2004-2016 Free Software Foundation, Inc.
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549fdc |
*
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549fdc |
* Author: Thierry Quemerais, Nikos Mavrogiannopoulos
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549fdc |
*
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549fdc |
* This file is part of GnuTLS.
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549fdc |
*
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549fdc |
* GnuTLS is free software; you can redistribute it and/or modify it
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549fdc |
* under the terms of the GNU General Public License as published by
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549fdc |
* the Free Software Foundation; either version 3 of the License, or
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549fdc |
* (at your option) any later version.
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549fdc |
*
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549fdc |
* GnuTLS is distributed in the hope that it will be useful, but
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549fdc |
* WITHOUT ANY WARRANTY; without even the implied warranty of
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549fdc |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Packit |
549fdc |
* General Public License for more details.
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549fdc |
*
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549fdc |
* You should have received a copy of the GNU General Public License
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549fdc |
* along with GnuTLS; if not, write to the Free Software Foundation,
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549fdc |
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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549fdc |
*/
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549fdc |
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549fdc |
/* This program tests whether an extension is exchanged when registered
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549fdc |
* at the session level */
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549fdc |
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549fdc |
#ifdef HAVE_CONFIG_H
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549fdc |
#include <config.h>
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549fdc |
#endif
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549fdc |
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549fdc |
#include <stdio.h>
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549fdc |
#include <stdlib.h>
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549fdc |
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549fdc |
#if defined(_WIN32)
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549fdc |
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549fdc |
/* socketpair isn't supported on Win32. */
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Packit |
549fdc |
int main(int argc, char **argv)
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Packit |
549fdc |
{
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549fdc |
exit(77);
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549fdc |
}
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549fdc |
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Packit |
549fdc |
#else
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549fdc |
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549fdc |
#include <string.h>
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549fdc |
#include <sys/types.h>
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549fdc |
#include <sys/socket.h>
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Packit |
549fdc |
#if !defined(_WIN32)
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549fdc |
#include <sys/wait.h>
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549fdc |
#include <signal.h>
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549fdc |
#endif
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549fdc |
#include <unistd.h>
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549fdc |
#include <gnutls/gnutls.h>
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549fdc |
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549fdc |
#include "utils.h"
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549fdc |
#include "cert-common.h"
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549fdc |
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549fdc |
const char *side = "";
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549fdc |
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549fdc |
static void tls_log_func(int level, const char *str)
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549fdc |
{
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549fdc |
fprintf(stderr, "%s|<%d>| %s", side, level, str);
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549fdc |
}
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549fdc |
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549fdc |
#define TLSEXT_TYPE_SAMPLE 0xF1
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549fdc |
#define TLSEXT_TYPE_IGN 0xF2
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549fdc |
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549fdc |
static int TLSEXT_TYPE_client_sent = 0;
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549fdc |
static int TLSEXT_TYPE_client_received = 0;
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549fdc |
static int TLSEXT_TYPE_server_sent = 0;
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549fdc |
static int TLSEXT_TYPE_server_received = 0;
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549fdc |
static int ign_extension_called = 0;
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549fdc |
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549fdc |
static const unsigned char ext_data[] =
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549fdc |
{
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549fdc |
0xFE,
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549fdc |
0xED
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549fdc |
};
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549fdc |
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549fdc |
static int ext_recv_client_params(gnutls_session_t session, const unsigned char *buf, size_t buflen)
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549fdc |
{
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549fdc |
if (buflen != sizeof(ext_data))
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549fdc |
fail("ext_recv_client_params: Invalid input buffer length\n");
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549fdc |
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549fdc |
if (memcmp(buf, ext_data, sizeof(ext_data)) != 0)
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549fdc |
fail("ext_recv_client_params: Invalid input buffer data\n");
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549fdc |
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549fdc |
TLSEXT_TYPE_client_received = 1;
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549fdc |
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549fdc |
gnutls_ext_set_data(session, TLSEXT_TYPE_SAMPLE, session);
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549fdc |
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549fdc |
return 0; //Success
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549fdc |
}
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549fdc |
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549fdc |
static int ext_send_client_params(gnutls_session_t session, gnutls_buffer_t extdata)
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Packit |
549fdc |
{
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549fdc |
TLSEXT_TYPE_client_sent = 1;
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549fdc |
gnutls_buffer_append_data(extdata, ext_data, sizeof(ext_data));
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549fdc |
return sizeof(ext_data);
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549fdc |
}
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549fdc |
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549fdc |
static int ext_recv_client_ign_params(gnutls_session_t session, const unsigned char *buf, size_t buflen)
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Packit |
549fdc |
{
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549fdc |
return 0;
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Packit |
549fdc |
}
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549fdc |
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549fdc |
static int ext_send_client_ign_params(gnutls_session_t session, gnutls_buffer_t extdata)
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Packit |
549fdc |
{
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Packit |
549fdc |
ign_extension_called = 1;
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549fdc |
return 0;
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Packit |
549fdc |
}
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549fdc |
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549fdc |
static int ext_recv_server_params(gnutls_session_t session, const unsigned char *buf, size_t buflen)
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Packit |
549fdc |
{
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Packit |
549fdc |
if (buflen != sizeof(ext_data))
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Packit |
549fdc |
fail("ext_recv_server_params: Invalid input buffer length\n");
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549fdc |
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Packit |
549fdc |
if (memcmp(buf, ext_data, sizeof(ext_data)) != 0)
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549fdc |
fail("ext_recv_server_params: Invalid input buffer data\n");
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Packit |
549fdc |
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549fdc |
TLSEXT_TYPE_server_received = 1;
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Packit |
549fdc |
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Packit |
549fdc |
return 0; //Success
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Packit |
549fdc |
}
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Packit |
549fdc |
|
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Packit |
549fdc |
static int ext_send_server_params(gnutls_session_t session, gnutls_buffer_t extdata)
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|
Packit |
549fdc |
{
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|
Packit |
549fdc |
TLSEXT_TYPE_server_sent = 1;
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|
Packit |
549fdc |
gnutls_buffer_append_data(extdata, ext_data, sizeof(ext_data));
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|
Packit |
549fdc |
return sizeof(ext_data);
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|
Packit |
549fdc |
}
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549fdc |
|
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Packit |
549fdc |
static void client(int sd)
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|
Packit |
549fdc |
{
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Packit |
549fdc |
int ret;
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Packit |
549fdc |
gnutls_session_t session;
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|
Packit |
549fdc |
gnutls_certificate_credentials_t clientx509cred;
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Packit |
549fdc |
void *p;
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Packit |
549fdc |
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Packit |
549fdc |
global_init();
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549fdc |
gnutls_global_set_log_function(tls_log_func);
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Packit |
549fdc |
if (debug)
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Packit |
549fdc |
gnutls_global_set_log_level(4711);
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549fdc |
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549fdc |
side = "client";
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549fdc |
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549fdc |
gnutls_certificate_allocate_credentials(&clientx509cred);
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Packit |
549fdc |
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Packit |
549fdc |
/* Initialize TLS session
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549fdc |
*/
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Packit |
549fdc |
gnutls_init(&session, GNUTLS_CLIENT);
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549fdc |
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549fdc |
/* Use default priorities */
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549fdc |
gnutls_priority_set_direct(session, "PERFORMANCE:+ANON-ECDH:+ANON-DH",
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Packit |
549fdc |
NULL);
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549fdc |
|
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Packit |
549fdc |
/* put the anonymous credentials to the current session
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549fdc |
*/
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549fdc |
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE,
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Packit |
549fdc |
clientx509cred);
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549fdc |
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549fdc |
gnutls_transport_set_int(session, sd);
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549fdc |
gnutls_handshake_set_timeout(session, 20 * 1000);
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549fdc |
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549fdc |
ret = gnutls_session_ext_register(session, "ext_ign", TLSEXT_TYPE_IGN, GNUTLS_EXT_TLS, ext_recv_client_ign_params, ext_send_client_ign_params, NULL, NULL, NULL, 0);
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if (ret < 0)
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549fdc |
fail("client: register extension\n");
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Packit |
549fdc |
|
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Packit |
549fdc |
ret = gnutls_session_ext_register(session, "ext_client", TLSEXT_TYPE_SAMPLE, GNUTLS_EXT_TLS, ext_recv_client_params, ext_send_client_params, NULL, NULL, NULL, 0);
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549fdc |
if (ret < 0)
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Packit |
549fdc |
fail("client: register extension\n");
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Packit |
549fdc |
|
|
Packit |
549fdc |
/* Perform the TLS handshake
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Packit |
549fdc |
*/
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|
Packit |
549fdc |
ret = gnutls_handshake(session);
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|
Packit |
549fdc |
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Packit |
549fdc |
if (ret < 0) {
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Packit |
549fdc |
fail("client: Handshake failed\n");
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Packit |
549fdc |
gnutls_perror(ret);
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|
Packit |
549fdc |
goto end;
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|
Packit |
549fdc |
} else {
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|
Packit |
549fdc |
if (debug)
|
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Packit |
549fdc |
success("client: Handshake was completed\n");
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|
Packit |
549fdc |
}
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|
Packit |
549fdc |
|
|
Packit |
549fdc |
if (TLSEXT_TYPE_client_sent != 1 || TLSEXT_TYPE_client_received != 1)
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|
Packit |
549fdc |
fail("client: extension not properly sent/received\n");
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|
Packit |
549fdc |
|
|
Packit |
549fdc |
ret = gnutls_ext_get_data(session, TLSEXT_TYPE_SAMPLE, &p);
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|
Packit |
549fdc |
if (ret < 0) {
|
|
Packit |
549fdc |
fail("gnutls_ext_get_data: %s\n", gnutls_strerror(ret));
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|
Packit |
549fdc |
}
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Packit |
549fdc |
|
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Packit |
549fdc |
if (p != session) {
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Packit |
549fdc |
fail("client: gnutls_ext_get_data failed\n");
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|
Packit |
549fdc |
}
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Packit |
549fdc |
|
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Packit |
549fdc |
if (ign_extension_called == 0) {
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Packit |
549fdc |
fail("registered ign extension was not called\n");
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|
Packit |
549fdc |
}
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Packit |
549fdc |
|
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Packit |
549fdc |
gnutls_bye(session, GNUTLS_SHUT_RDWR);
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Packit |
549fdc |
|
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Packit |
549fdc |
end:
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|
Packit |
549fdc |
close(sd);
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Packit |
549fdc |
|
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Packit |
549fdc |
gnutls_deinit(session);
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Packit |
549fdc |
|
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Packit |
549fdc |
gnutls_certificate_free_credentials(clientx509cred);
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|
Packit |
549fdc |
|
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Packit |
549fdc |
gnutls_global_deinit();
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|
Packit |
549fdc |
}
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Packit |
549fdc |
|
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Packit |
549fdc |
static void server(int sd)
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Packit |
549fdc |
{
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Packit |
549fdc |
gnutls_certificate_credentials_t serverx509cred;
|
|
Packit |
549fdc |
int ret;
|
|
Packit |
549fdc |
gnutls_session_t session;
|
|
Packit |
549fdc |
unsigned i;
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|
Packit |
549fdc |
|
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Packit |
549fdc |
/* this must be called once in the program
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Packit |
549fdc |
*/
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Packit |
549fdc |
global_init();
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Packit |
549fdc |
gnutls_global_set_log_function(tls_log_func);
|
|
Packit |
549fdc |
if (debug)
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|
Packit |
549fdc |
gnutls_global_set_log_level(4711);
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Packit |
549fdc |
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Packit |
549fdc |
side = "server";
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Packit |
549fdc |
|
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Packit |
549fdc |
gnutls_certificate_allocate_credentials(&serverx509cred);
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|
Packit |
549fdc |
gnutls_certificate_set_x509_key_mem(serverx509cred,
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|
Packit |
549fdc |
&server_cert, &server_key,
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Packit |
549fdc |
GNUTLS_X509_FMT_PEM);
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Packit |
549fdc |
|
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Packit |
549fdc |
gnutls_init(&session, GNUTLS_SERVER);
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Packit |
549fdc |
|
|
Packit |
549fdc |
/* avoid calling all the priority functions, since the defaults
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Packit |
549fdc |
* are adequate.
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|
Packit |
549fdc |
*/
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Packit |
549fdc |
gnutls_priority_set_direct(session, "PERFORMANCE:+ANON-ECDH:+ANON-DH",
|
|
Packit |
549fdc |
NULL);
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|
Packit |
549fdc |
|
|
Packit |
549fdc |
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE,
|
|
Packit |
549fdc |
serverx509cred);
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|
Packit |
549fdc |
|
|
Packit |
549fdc |
gnutls_session_ext_register(session, "ext_server", TLSEXT_TYPE_SAMPLE, GNUTLS_EXT_TLS, ext_recv_server_params, ext_send_server_params, NULL, NULL, NULL, 0);
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Packit |
549fdc |
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549fdc |
gnutls_transport_set_int(session, sd);
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|
Packit |
549fdc |
gnutls_handshake_set_timeout(session, 20 * 1000);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
ret = gnutls_handshake(session);
|
|
Packit |
549fdc |
if (ret < 0) {
|
|
Packit |
549fdc |
close(sd);
|
|
Packit |
549fdc |
gnutls_deinit(session);
|
|
Packit |
549fdc |
fail("server: Handshake has failed (%s)\n\n",
|
|
Packit |
549fdc |
gnutls_strerror(ret));
|
|
Packit |
549fdc |
return;
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
if (debug)
|
|
Packit |
549fdc |
success("server: Handshake was completed\n");
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
if (TLSEXT_TYPE_server_sent != 1 || TLSEXT_TYPE_server_received != 1)
|
|
Packit |
549fdc |
fail("server: extension not properly sent/received\n");
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
/* do not wait for the peer to close the connection.
|
|
Packit |
549fdc |
*/
|
|
Packit |
549fdc |
gnutls_bye(session, GNUTLS_SHUT_WR);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
/* check whether we can crash the library by adding many extensions */
|
|
Packit |
549fdc |
for (i=0;i<64;i++) {
|
|
Packit |
549fdc |
ret = gnutls_ext_register("ext_serverxx", TLSEXT_TYPE_SAMPLE+i+1, GNUTLS_EXT_TLS, ext_recv_server_params, ext_send_server_params, NULL, NULL, NULL);
|
|
Packit |
549fdc |
if (ret < 0) {
|
|
Packit |
549fdc |
success("failed registering extension no %d (expected)\n", i+1);
|
|
Packit |
549fdc |
break;
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
close(sd);
|
|
Packit |
549fdc |
gnutls_deinit(session);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
gnutls_certificate_free_credentials(serverx509cred);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
gnutls_global_deinit();
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
if (debug)
|
|
Packit |
549fdc |
success("server: finished\n");
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
void doit(void)
|
|
Packit |
549fdc |
{
|
|
Packit |
549fdc |
pid_t child;
|
|
Packit |
549fdc |
int sockets[2];
|
|
Packit |
549fdc |
int err;
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
signal(SIGPIPE, SIG_IGN);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
err = socketpair(AF_UNIX, SOCK_STREAM, 0, sockets);
|
|
Packit |
549fdc |
if (err == -1) {
|
|
Packit |
549fdc |
perror("socketpair");
|
|
Packit |
549fdc |
fail("socketpair failed\n");
|
|
Packit |
549fdc |
return;
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
child = fork();
|
|
Packit |
549fdc |
if (child < 0) {
|
|
Packit |
549fdc |
perror("fork");
|
|
Packit |
549fdc |
fail("fork");
|
|
Packit |
549fdc |
return;
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
if (child) {
|
|
Packit |
549fdc |
int status;
|
|
Packit |
549fdc |
/* parent */
|
|
Packit |
549fdc |
close(sockets[1]);
|
|
Packit |
549fdc |
server(sockets[0]);
|
|
Packit |
549fdc |
wait(&status);
|
|
Packit |
549fdc |
} else {
|
|
Packit |
549fdc |
close(sockets[0]);
|
|
Packit |
549fdc |
client(sockets[1]);
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
#endif /* _WIN32 */
|