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/*
* Copyright (C) 2008-2012 Free Software Foundation, Inc.
*
* Author: Simon Josefsson
*
* 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, 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 <gnutls/gnutls.h>
#include "eagain-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 test attempts to transfer various sizes using AES-128-CBC.
*/
#define MAX_BUF 32 * 1024
#define MAX_SEND 16384
static char buffer1[MAX_BUF + 1];
static char buffer[MAX_BUF + 1];
static void try_send(gnutls_session_t client, gnutls_session_t server, void *b1,
ssize_t b1_size, void *b2, ssize_t b2_size,
gnutls_range_st *range)
{
int ret, recvd;
/* Try sending various other sizes */
ret = gnutls_record_send_range(client, b1, b1_size, range);
if (ret < 0) {
fprintf(stderr, "Error sending %d bytes: %s\n", (int)b1_size,
gnutls_strerror(ret));
exit(1);
}
if (ret != b1_size) {
fprintf(stderr, "Couldn't send %d bytes\n", (int)b1_size);
exit(1);
}
recvd = 0;
do {
ret = gnutls_record_recv(server, b2, b2_size);
if (ret < 0) {
fprintf(stderr, "Error receiving %d bytes: %s\n",
(int)b2_size, gnutls_strerror(ret));
exit(1);
}
recvd += ret;
} while (recvd < b1_size);
if (recvd != b1_size) {
fprintf(stderr, "Couldn't receive %d bytes, received %d\n",
(int)b1_size, recvd);
exit(1);
}
}
void doit(void)
{
/* Server stuff. */
gnutls_anon_server_credentials_t s_anoncred;
const gnutls_datum_t p3 = { (unsigned char *)pkcs3, strlen(pkcs3) };
static gnutls_dh_params_t dh_params;
gnutls_session_t server;
int sret = GNUTLS_E_AGAIN;
/* Client stuff. */
gnutls_anon_client_credentials_t c_anoncred;
gnutls_session_t client;
int cret = GNUTLS_E_AGAIN;
/* Need to enable anonymous KX specifically. */
gnutls_range_st range;
/* General init. */
global_init();
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(4711);
/* Init server */
gnutls_anon_allocate_server_credentials(&s_anoncred);
gnutls_dh_params_init(&dh_params);
gnutls_dh_params_import_pkcs3(dh_params, &p3, GNUTLS_X509_FMT_PEM);
gnutls_anon_set_server_dh_params(s_anoncred, dh_params);
gnutls_init(&server, GNUTLS_SERVER);
gnutls_priority_set_direct(
server,
"NONE:+VERS-TLS1.2:+AES-128-CBC:+MAC-ALL:+SIGN-ALL:+COMP-NULL:+ANON-DH",
NULL);
gnutls_credentials_set(server, GNUTLS_CRD_ANON, s_anoncred);
gnutls_transport_set_push_function(server, server_push);
gnutls_transport_set_pull_function(server, server_pull);
gnutls_transport_set_ptr(server, server);
/* Init client */
gnutls_anon_allocate_client_credentials(&c_anoncred);
gnutls_init(&client, GNUTLS_CLIENT);
gnutls_priority_set_direct(
client,
"NONE:+VERS-TLS1.2:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-NULL:+ANON-DH",
NULL);
gnutls_credentials_set(client, GNUTLS_CRD_ANON, c_anoncred);
gnutls_transport_set_push_function(client, client_push);
gnutls_transport_set_pull_function(client, client_pull);
gnutls_transport_set_ptr(client, client);
memset(buffer1, 0, sizeof(buffer1));
HANDSHAKE(client, server);
if (debug)
success("Handshake established\n");
memset(buffer1, 1, MAX_BUF);
range.low = 1024;
range.high = MAX_SEND;
try_send(client, server, buffer1, MAX_SEND, buffer, MAX_BUF, &range);
try_send(client, server, buffer1, 1024, buffer, MAX_BUF, &range);
try_send(client, server, buffer1, 4096, buffer, MAX_BUF, &range);
/*try_send(client, server, buffer1, 128, buffer, MAX_BUF, &range) */;
if (debug)
fputs("\n", stdout);
gnutls_bye(client, GNUTLS_SHUT_RDWR);
gnutls_bye(server, GNUTLS_SHUT_RDWR);
gnutls_deinit(client);
gnutls_deinit(server);
gnutls_anon_free_client_credentials(c_anoncred);
gnutls_anon_free_server_credentials(s_anoncred);
gnutls_dh_params_deinit(dh_params);
gnutls_global_deinit();
}
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