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/*
* Copyright (C) 2019 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 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 <string.h>
#include <errno.h>
#include <assert.h>
#include <gnutls/gnutls.h>
#include "utils.h"
#include "eagain-common.h"
#include "cert-common.h"
/* This tests TLS1.3 and gnutls_session_get_data2() when no
* callback with gnutls_transport_set_pull_timeout_function()
* is set */
const char *side;
static void tls_log_func(int level, const char *str)
{
fprintf(stderr, "%s|<%d>| %s", side, level, str);
}
static time_t mytime(time_t *t)
{
time_t then = 1461671166;
if (t)
*t = then;
return then;
}
static ssize_t server_pull_fail(gnutls_transport_ptr_t tr, void *data,
size_t len)
{
fail("unexpected call to pull callback detected\n");
return -1;
}
void doit(void)
{
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;
gnutls_datum_t data;
char buf[128];
/* General init. */
global_init();
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(6);
gnutls_global_set_time_function(mytime);
assert(gnutls_certificate_allocate_credentials(&serverx509cred) >= 0);
assert(gnutls_certificate_set_x509_key_mem(serverx509cred, &server_cert,
&server_key,
GNUTLS_X509_FMT_PEM) >= 0);
assert(gnutls_init(&server, GNUTLS_SERVER) >= 0);
gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, serverx509cred);
assert(gnutls_set_default_priority(server) >= 0);
gnutls_transport_set_push_function(server, server_push);
gnutls_transport_set_pull_function(server, server_pull);
gnutls_transport_set_ptr(server, server);
assert(gnutls_certificate_allocate_credentials(&clientx509cred) >= 0);
assert(gnutls_certificate_set_x509_trust_mem(clientx509cred, &ca_cert,
GNUTLS_X509_FMT_PEM) >= 0);
assert(gnutls_init(&client, GNUTLS_CLIENT) >= 0);
assert(gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE,
clientx509cred) >= 0);
assert(gnutls_priority_set_direct(
client, "NORMAL:-VERS-ALL:+VERS-TLS1.3", NULL) >= 0);
gnutls_transport_set_push_function(client, client_push);
gnutls_transport_set_pull_function(client, client_pull);
gnutls_transport_set_ptr(client, client);
HANDSHAKE(client, server);
ret = gnutls_record_recv(client, buf, sizeof(buf));
if (ret < 0 && ret != GNUTLS_E_AGAIN) {
fail("unexpected error: %s\n", gnutls_strerror(ret));
}
gnutls_transport_set_pull_function(server, server_pull_fail);
ret = gnutls_session_get_data2(client, &data);
if (ret != 0) {
fail("unexpected error: %s\n", gnutls_strerror(ret));
}
gnutls_free(data.data);
gnutls_transport_set_pull_function(server, server_pull);
ret = gnutls_record_recv(client, buf, sizeof(buf));
if (ret < 0 && ret != GNUTLS_E_AGAIN) {
fail("unexpected error: %s\n", gnutls_strerror(ret));
}
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);
gnutls_global_deinit();
}
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