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/*
* Copyright (C) 2012 Free Software Foundation, Inc.
* Copyright (C) 2017 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 <gnutls/gnutls.h>
#include <assert.h>
#include "utils.h"
#include "cert-common.h"
#include "eagain-common.h"
/* This program tests whether re-key occurs at the expected
* time.
*/
const char *testname = "";
const char *side = "";
static void tls_log_func(int level, const char *str)
{
fprintf(stderr, "%s|<%d>| %s", side, level, str);
}
#define MAX_BUF 1024
static void start(const char *name, const char *prio, unsigned exp_update)
{
int sret, cret;
gnutls_certificate_credentials_t scred, ccred;
gnutls_session_t server, client;
char buffer[MAX_BUF + 1];
unsigned char seq[8];
unsigned update_happened = 0;
unsigned i;
testname = name;
success("== test %s ==\n", testname);
global_init();
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(9);
/* Init Server */
assert(gnutls_certificate_allocate_credentials(&scred) >= 0);
assert(gnutls_certificate_set_x509_key_mem(scred,
&server_cert,
&server_key,
GNUTLS_X509_FMT_PEM) >= 0);
gnutls_init(&server, GNUTLS_SERVER);
/* avoid calling all the priority functions, since the defaults
* are adequate.
*/
sret = gnutls_priority_set_direct(server, prio, NULL);
if (sret < 0) {
fail("error in priority '%s': %s\n", prio,
gnutls_strerror(sret));
}
gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, scred);
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_certificate_allocate_credentials(&ccred);
assert(gnutls_certificate_set_x509_trust_mem
(ccred, &ca3_cert, GNUTLS_X509_FMT_PEM) >= 0);
gnutls_init(&client, GNUTLS_CLIENT);
cret = gnutls_priority_set_direct(client, prio, NULL);
if (cret < 0)
fail("cannot set TLS 1.3 priorities\n");
gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE, ccred);
gnutls_transport_set_push_function(client, client_push);
gnutls_transport_set_pull_function(client, client_pull);
gnutls_transport_set_ptr(client, client);
/* Perform handshake */
HANDSHAKE(client, server);
if (debug)
success("Handshake established\n");
assert(gnutls_record_get_state(server, 0, NULL, NULL, NULL, seq) >= 0);
assert(gnutls_record_set_state
(server, 0, (void *)"\x00\x00\x00\x00\x00\xff\xff\xfa") >= 0);
assert(gnutls_record_get_state(client, 1, NULL, NULL, NULL, seq) >= 0);
assert(gnutls_record_set_state
(client, 1, (void *)"\x00\x00\x00\x00\x00\xff\xff\xfa") >= 0);
memset(buffer, 1, sizeof(buffer));
for (i = 0; i < 32; i++) {
usleep(10000); /* some systems like FreeBSD have their buffers full during this send */
do {
sret =
gnutls_record_send(server, buffer, sizeof(buffer));
} while (sret == GNUTLS_E_AGAIN
|| sret == GNUTLS_E_INTERRUPTED);
if (sret < 0) {
fail("Error sending %d byte packet: %s\n",
(int)sizeof(buffer), gnutls_strerror(sret));
}
if (sret != sizeof(buffer)) {
fail("Error sending %d byte packet: sent: %d\n",
(int)sizeof(buffer), sret);
}
do {
cret =
gnutls_record_recv_seq(client, buffer, MAX_BUF,
seq);
} while (cret == GNUTLS_E_AGAIN
|| cret == GNUTLS_E_INTERRUPTED);
if (memcmp(seq, "\x00\x00\x00\x00\x00\x00\x00\x01", 8) == 0) {
update_happened = 1;
}
}
gnutls_bye(client, GNUTLS_SHUT_WR);
gnutls_bye(server, GNUTLS_SHUT_WR);
gnutls_deinit(client);
gnutls_deinit(server);
gnutls_certificate_free_credentials(scred);
gnutls_certificate_free_credentials(ccred);
gnutls_global_deinit();
reset_buffers();
if (exp_update && update_happened == 0) {
fail("no update occurred!\n");
} else if (!exp_update && update_happened) {
fail("update occurred unexpectedly!\n");
} else {
if (debug)
success("detected update!\n");
}
}
#define AES_GCM "NORMAL:-VERS-ALL:+VERS-TLS1.3:-CIPHER-ALL:+AES-128-GCM"
#define CHACHA_POLY1305 "NORMAL:-VERS-ALL:+VERS-TLS1.3:-CIPHER-ALL:+CHACHA20-POLY1305"
void doit(void)
{
start("aes-gcm", AES_GCM, 1);
if (!gnutls_fips140_mode_enabled()) {
start("chacha20", CHACHA_POLY1305, 0);
}
}
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