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/*
* Copyright (C) 2023 Red Hat, Inc.
*
* Author: Daiki Ueno
*
* 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 Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include "utils.h"
#include "cert-common.h"
#include "eagain-common.h"
/* This program tests whether forced extended master secret is
* negotiated as expected.
*/
const char *side;
static void tls_log_func(int level, const char *str)
{
fprintf(stderr, "%s|<%d>| %s", side, level, str);
}
static void
try(const char *name, const char *sprio, const char *cprio, int serr, int cerr)
{
int sret, cret;
gnutls_certificate_credentials_t scred, ccred;
gnutls_session_t server, client;
success("Running %s\n", name);
assert(gnutls_certificate_allocate_credentials(&scred) >= 0);
assert(gnutls_certificate_set_x509_key_mem
(scred, &server_ca3_localhost_cert,
&server_ca3_key, GNUTLS_X509_FMT_PEM) >= 0);
assert(gnutls_certificate_allocate_credentials(&ccred) >= 0);
assert(gnutls_certificate_set_x509_trust_mem
(ccred, &ca3_cert, GNUTLS_X509_FMT_PEM) >= 0);
assert(gnutls_init(&server, GNUTLS_SERVER) >= 0);
assert(gnutls_init(&client, GNUTLS_CLIENT) >= 0);
gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, scred);
gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE, ccred);
gnutls_transport_set_push_function(server, server_push);
gnutls_transport_set_pull_function(server, server_pull);
gnutls_transport_set_ptr(server, server);
assert(gnutls_priority_set_direct(server, sprio, 0) >= 0);
gnutls_transport_set_push_function(client, client_push);
gnutls_transport_set_pull_function(client, client_pull);
gnutls_transport_set_ptr(client, client);
assert(gnutls_priority_set_direct(client, cprio, 0) >= 0);
HANDSHAKE_EXPECT(client, server, cerr, serr);
gnutls_deinit(server);
gnutls_deinit(client);
gnutls_certificate_free_credentials(scred);
gnutls_certificate_free_credentials(ccred);
reset_buffers();
}
#define AES_GCM "NORMAL:-VERS-ALL:+VERS-TLS1.2"
void doit(void)
{
global_init();
/* General init. */
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(2);
try("default", AES_GCM ":%FORCE_SESSION_HASH",
AES_GCM ":%FORCE_SESSION_HASH", 0, 0);
try("both force EMS", AES_GCM ":%FORCE_SESSION_HASH",
AES_GCM ":%FORCE_SESSION_HASH", 0, 0);
try("neither negotiates EMS", AES_GCM ":%NO_SESSION_HASH",
AES_GCM ":%NO_SESSION_HASH", 0, 0);
try("server doesn't negotiate EMS, client forces EMS",
AES_GCM ":%NO_SESSION_HASH", AES_GCM ":%FORCE_SESSION_HASH",
GNUTLS_E_AGAIN, GNUTLS_E_INSUFFICIENT_SECURITY);
try("server forces EMS, client doesn't negotiate EMS",
AES_GCM ":%FORCE_SESSION_HASH", AES_GCM ":%NO_SESSION_HASH",
GNUTLS_E_INSUFFICIENT_SECURITY, GNUTLS_E_AGAIN);
gnutls_global_deinit();
}
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