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/*
* Copyright (C) 2015 Red Hat, 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>
#include <string.h>
#include <errno.h>
#include <gnutls/gnutls.h>
#include <gnutls/dtls.h>
#include "utils.h"
#include "eagain-common.h"
#include "cert-common.h"
/* This tests whether the server reacts as expected on various client
* hello TLS versions */
void _gnutls_hello_set_default_version(gnutls_session_t session,
unsigned char major,
unsigned char minor);
const char *side;
static void tls_log_func(int level, const char *str)
{
fprintf(stderr, "%s|<%d>| %s", side, level, str);
}
static void try(unsigned char major, unsigned char minor, int ret1, int ret2)
{
int ret;
/* Server stuff. */
gnutls_certificate_credentials_t serverx509cred;
gnutls_session_t server;
int sret = GNUTLS_E_AGAIN;
/* Client stuff. */
gnutls_certificate_credentials_t clientx509cred;
gnutls_session_t client;
int cret = GNUTLS_E_AGAIN;
/* General init. */
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(6);
/* Init server */
gnutls_certificate_allocate_credentials(&serverx509cred);
gnutls_certificate_set_x509_key_mem(serverx509cred,
&server_cert, &server_key,
GNUTLS_X509_FMT_PEM);
gnutls_init(&server, GNUTLS_SERVER|GNUTLS_DATAGRAM | GNUTLS_NONBLOCK);
gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE,
serverx509cred);
gnutls_priority_set_direct(server,
"NORMAL",
NULL);
gnutls_transport_set_push_function(server, server_push);
gnutls_transport_set_pull_function(server, server_pull);
gnutls_transport_set_pull_timeout_function(server,
server_pull_timeout_func);
gnutls_transport_set_ptr(server, server);
/* Init client */
ret = gnutls_certificate_allocate_credentials(&clientx509cred);
if (ret < 0)
exit(1);
ret = gnutls_certificate_set_x509_trust_mem(clientx509cred, &ca_cert, GNUTLS_X509_FMT_PEM);
if (ret < 0)
exit(1);
ret = gnutls_init(&client, GNUTLS_CLIENT|GNUTLS_DATAGRAM | GNUTLS_NONBLOCK);
if (ret < 0)
exit(1);
ret = gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE,
clientx509cred);
if (ret < 0)
exit(1);
ret = gnutls_priority_set_direct(client, "NORMAL", NULL);
if (ret < 0)
exit(1);
gnutls_transport_set_push_function(client, client_push);
gnutls_transport_set_pull_function(client, client_pull);
gnutls_transport_set_pull_timeout_function(client,
client_pull_timeout_func);
gnutls_transport_set_ptr(client, client);
_gnutls_hello_set_default_version(client, major, minor);
HANDSHAKE_DTLS_EXPECT(client, server, ret1, ret2);
gnutls_bye(client, GNUTLS_SHUT_RDWR);
gnutls_bye(server, GNUTLS_SHUT_RDWR);
gnutls_deinit(client);
gnutls_deinit(server);
gnutls_certificate_free_credentials(serverx509cred);
gnutls_certificate_free_credentials(clientx509cred);
}
void doit(void)
{
global_init();
try(255, 255, GNUTLS_E_AGAIN, GNUTLS_E_UNSUPPORTED_VERSION_PACKET);
reset_buffers();
try(255, 128, GNUTLS_E_AGAIN, GNUTLS_E_UNSUPPORTED_VERSION_PACKET);
reset_buffers();
try(254, 128, 0, 0);
reset_buffers();
try(252, 64, 0, 0);
reset_buffers();
gnutls_global_deinit();
}
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