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/*
* Copyright (C) 2016 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>
/* In this test we check whether the server will bail out after receiving
* a bunch of warning alerts without a client hello.
*/
#if defined(_WIN32)
/* socketpair isn't supported on Win32. */
int main(int argc, char **argv)
{
exit(77);
}
#else
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#if !defined(_WIN32)
#include <sys/wait.h>
#endif
#include <unistd.h>
#include <assert.h>
#include <gnutls/gnutls.h>
#include "utils.h"
#include "cert-common.h"
pid_t child;
static void tls_log_func(int level, const char *str)
{
fprintf(stderr, "%s |<%d>| %s", child ? "server" : "client", level,
str);
}
static unsigned char tls_alert[] =
"\x15\x03\x03\x00\x02\x00\x0A";
static void client(int sd)
{
int ret;
unsigned i;
/* send a list of warning alerts */
for (i=0;i<128;i++) {
ret = send(sd, tls_alert, sizeof(tls_alert)-1, 0);
if (ret < 0)
fail("error sending hello\n");
}
close(sd);
}
static void server(int sd)
{
gnutls_certificate_credentials_t x509_cred;
gnutls_session_t session;
int ret;
unsigned loops;
/* this must be called once in the program
*/
global_init();
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(6);
gnutls_certificate_allocate_credentials(&x509_cred);
gnutls_certificate_set_x509_trust_mem(x509_cred, &ca3_cert,
GNUTLS_X509_FMT_PEM);
gnutls_certificate_set_x509_key_mem(x509_cred, &server_ca3_localhost_cert,
&server_ca3_key,
GNUTLS_X509_FMT_PEM);
if (debug)
success("Launched, generating DH parameters...\n");
gnutls_init(&session, GNUTLS_SERVER);
/* avoid calling all the priority functions, since the defaults
* are adequate.
*/
assert(gnutls_priority_set_direct(session, "NORMAL:-VERS-ALL:+VERS-TLS1.2", NULL)>=0);
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
gnutls_transport_set_int(session, sd);
loops = 0;
do {
ret = gnutls_handshake(session);
loops++;
if (loops > 64)
fail("Too many loops in the handshake!\n");
} while (ret == GNUTLS_E_INTERRUPTED || ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_WARNING_ALERT_RECEIVED);
if (ret != GNUTLS_E_UNEXPECTED_PACKET) {
fail("server: Handshake didn't fail with expected code (failed with %d)\n", ret);
}
close(sd);
gnutls_deinit(session);
gnutls_certificate_free_credentials(x509_cred);
gnutls_global_deinit();
if (debug)
success("server: finished\n");
}
void doit(void)
{
int sockets[2];
int err;
err = socketpair(AF_UNIX, SOCK_STREAM, 0, sockets);
if (err == -1) {
perror("socketpair");
fail("socketpair failed\n");
return;
}
child = fork();
if (child < 0) {
perror("fork");
fail("fork");
return;
}
if (child) {
int status;
server(sockets[0]);
wait(&status);
check_wait_status(status);
} else {
client(sockets[1]);
exit(0);
}
}
#endif /* _WIN32 */
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