/*
* 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 <assert.h>
#include <gnutls/gnutls.h>
#include "eagain-common.h"
#include "cert-common.h"
#include "utils.h"
const char *side = "";
static void tls_log_func(int level, const char *str)
{
fprintf(stderr, "%s|<%d>| %s", side, level, str);
}
/* This tests gnutls_record_set_timeout() operation
*/
#define MAX_BUF 16384
static char b1[MAX_BUF + 1];
static char buffer[MAX_BUF + 1];
static unsigned int expected_val = -1;
static unsigned int called = 1;
static int pull_timeout_func(gnutls_transport_ptr_t ptr, unsigned int ms)
{
called = 1;
if (ms == 0 && expected_val != 0) {
fail("Expected timeout value: %u, got %u\n", expected_val, ms);
exit(1);
} else if (ms != expected_val && ms == GNUTLS_INDEFINITE_TIMEOUT) {
fail("Expected timeout value: %u, got %u\n", expected_val, ms);
exit(1);
}
return 1;
}
#define MAX_VALS 4
static const int vals[MAX_VALS] = {0, 1000, 5000, GNUTLS_INDEFINITE_TIMEOUT};
static void start(const char *prio)
{
/* 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, i;
/* Need to enable anonymous KX specifically. */
int transferred = 0;
success("trying %s\n", prio);
/* General init. */
global_init();
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(4711);
/* 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_credentials_set(server, GNUTLS_CRD_CERTIFICATE,
serverx509cred);
assert(gnutls_priority_set_direct(server, prio, NULL) >= 0);
gnutls_transport_set_push_function(server, server_push);
gnutls_transport_set_pull_function(server, server_pull);
gnutls_transport_set_ptr(server, server);
/* Init client */
assert(gnutls_certificate_allocate_credentials(&clientx509cred)>=0);
gnutls_init(&client, GNUTLS_CLIENT);
assert(gnutls_priority_set_direct(client, prio, NULL) >= 0);
assert(gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE,
clientx509cred)>=0);
gnutls_transport_set_push_function(client, client_push);
gnutls_transport_set_pull_function(client, client_pull);
gnutls_transport_set_pull_timeout_function(client, pull_timeout_func);
gnutls_transport_set_ptr(client, client);
memset(b1, 0, sizeof(b1));
HANDSHAKE(client, server);
if (debug)
success("Handshake established\n");
memset(b1, 1, MAX_BUF);
/* Try sending various other sizes */
for (i = 1; i < 128; i++) {
called = 0;
gnutls_record_set_timeout(client, vals[i%MAX_VALS]);
expected_val = vals[i%MAX_VALS];
TRANSFER(client, server, b1, i, buffer, MAX_BUF);
if (called == 0 && expected_val != 0) {
fail("pull timeout callback was not called for %d!\n", vals[i%MAX_VALS]);
exit(1);
} else if (called != 0 && expected_val == 0) {
fail("pull timeout callback was called for %d!\n", vals[i%MAX_VALS]);
exit(1);
}
}
if (debug)
fputs("\n", stdout);
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();
reset_buffers();
}
void doit(void)
{
start("NORMAL:-VERS-ALL:+VERS-TLS1.2");
start("NORMAL:-VERS-ALL:+VERS-TLS1.3");
start("NORMAL");
}