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/*
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* Copyright (C) 2012 Free Software Foundation, Inc.
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* Copyright (C) 2017 Red Hat, Inc.
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*
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* Author: Nikos Mavrogiannopoulos
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*
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* This file is part of GnuTLS.
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*
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* GnuTLS is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* GnuTLS is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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4684c1 |
* General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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4684c1 |
* along with this program. If not, see <https://www.gnu.org/licenses/>
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#if defined(_WIN32)
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4684c1 |
int main()
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4684c1 |
{
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exit(77);
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}
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#else
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#include <string.h>
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4684c1 |
#include <sys/types.h>
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4684c1 |
#include <netinet/in.h>
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4684c1 |
#include <sys/socket.h>
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#include <sys/wait.h>
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4684c1 |
#include <arpa/inet.h>
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#include <unistd.h>
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#include <gnutls/gnutls.h>
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#include <gnutls/dtls.h>
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#include <signal.h>
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#include "utils.h"
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#include "cert-common.h"
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static void terminate(void);
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/* This program tests the robustness of record
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* decoding.
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*/
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static void server_log_func(int level, const char *str)
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4684c1 |
{
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fprintf(stderr, "server|<%d>| %s", level, str);
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}
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static void client_log_func(int level, const char *str)
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{
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fprintf(stderr, "client|<%d>| %s", level, str);
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}
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#define MAX_BUF 1024
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static int to_send = -1;
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static int mtu = 0;
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static ssize_t
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push(gnutls_transport_ptr_t tr, const void *data, size_t len)
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4684c1 |
{
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int fd = (long int) tr;
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return send(fd, data, len, 0);
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}
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#define RECORD_HEADER_SIZE (5+8)
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static ssize_t
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push_crippled(gnutls_transport_ptr_t tr, const void *data, size_t len)
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4684c1 |
{
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4684c1 |
int fd = (long int) tr;
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4684c1 |
int _len, ret;
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4684c1 |
uint8_t *_data = (void *) data;
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4684c1 |
if (to_send == -1)
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return send(fd, data, len, 0);
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4684c1 |
else {
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4684c1 |
#if 0
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4684c1 |
_len =
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4684c1 |
((uint8_t *) data)[11] << 8 | ((uint8_t *) data)[12];
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4684c1 |
fprintf(stderr, "mtu: %d, len: %d", mtu, (int) _len);
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4684c1 |
fprintf(stderr, " send: %d\n", (int) to_send);
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4684c1 |
#endif
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4684c1 |
_len = to_send;
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4684c1 |
_data[11] = _len >> 8;
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_data[12] = _len;
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/* correct len */
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ret = send(fd, data, RECORD_HEADER_SIZE + _len, 0);
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4684c1 |
if (ret < 0)
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return ret;
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4684c1 |
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4684c1 |
return len;
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4684c1 |
}
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4684c1 |
}
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4684c1 |
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4684c1 |
static void client(int fd, const char *prio)
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4684c1 |
{
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4684c1 |
int ret;
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4684c1 |
char buffer[MAX_BUF + 1];
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4684c1 |
gnutls_anon_client_credentials_t anoncred;
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4684c1 |
gnutls_certificate_credentials_t x509_cred;
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4684c1 |
gnutls_session_t session;
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4684c1 |
/* Need to enable anonymous KX specifically. */
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4684c1 |
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4684c1 |
global_init();
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4684c1 |
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4684c1 |
if (debug) {
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4684c1 |
gnutls_global_set_log_function(client_log_func);
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4684c1 |
gnutls_global_set_log_level(7);
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4684c1 |
}
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4684c1 |
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gnutls_anon_allocate_client_credentials(&anoncred);
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4684c1 |
gnutls_certificate_allocate_credentials(&x509_cred);
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4684c1 |
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/* Initialize TLS session
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*/
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4684c1 |
gnutls_init(&session, GNUTLS_CLIENT | GNUTLS_DATAGRAM);
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4684c1 |
gnutls_dtls_set_mtu(session, 1500);
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4684c1 |
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4684c1 |
/* Use default priorities */
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4684c1 |
ret = gnutls_priority_set_direct(session, prio, NULL);
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4684c1 |
if (ret < 0) {
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4684c1 |
fail("error in priority '%s': %s\n", prio, gnutls_strerror(ret));
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4684c1 |
exit(1);
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4684c1 |
}
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4684c1 |
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4684c1 |
/* put the anonymous credentials to the current session
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4684c1 |
*/
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4684c1 |
gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred);
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4684c1 |
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
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4684c1 |
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4684c1 |
gnutls_transport_set_int(session, fd);
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4684c1 |
gnutls_transport_set_push_function(session, push);
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4684c1 |
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4684c1 |
/* Perform the TLS handshake
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4684c1 |
*/
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4684c1 |
do {
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4684c1 |
ret = gnutls_handshake(session);
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4684c1 |
}
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4684c1 |
while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
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4684c1 |
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4684c1 |
if (ret < 0) {
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4684c1 |
fail("client: Handshake failed\n");
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4684c1 |
gnutls_perror(ret);
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4684c1 |
exit(1);
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4684c1 |
} else {
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4684c1 |
if (debug)
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4684c1 |
success("client: Handshake was completed\n");
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4684c1 |
}
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4684c1 |
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4684c1 |
if (debug)
|
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4684c1 |
success("client: TLS version is: %s\n",
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4684c1 |
gnutls_protocol_get_name
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|
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4684c1 |
(gnutls_protocol_get_version(session)));
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4684c1 |
|
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4684c1 |
/* make sure we are not blocked forever */
|
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4684c1 |
gnutls_record_set_timeout(session, 10000);
|
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4684c1 |
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4684c1 |
do {
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4684c1 |
do {
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Packit Service |
4684c1 |
ret = gnutls_record_recv(session, buffer, MAX_BUF);
|
|
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4684c1 |
} while (ret == GNUTLS_E_AGAIN
|
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4684c1 |
|| ret == GNUTLS_E_INTERRUPTED);
|
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4684c1 |
} while (ret > 0);
|
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4684c1 |
|
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4684c1 |
if (ret == 0 || ret == GNUTLS_E_TIMEDOUT) {
|
|
Packit Service |
4684c1 |
if (debug)
|
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Packit Service |
4684c1 |
success
|
|
Packit Service |
4684c1 |
("client: Peer has closed the TLS connection\n");
|
|
Packit Service |
4684c1 |
goto end;
|
|
Packit Service |
4684c1 |
} else if (ret < 0) {
|
|
Packit Service |
4684c1 |
if (ret != 0) {
|
|
Packit Service |
4684c1 |
fail("client: Error: %s\n", gnutls_strerror(ret));
|
|
Packit Service |
4684c1 |
exit(1);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
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Packit Service |
4684c1 |
gnutls_bye(session, GNUTLS_SHUT_WR);
|
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4684c1 |
|
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Packit Service |
4684c1 |
end:
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
close(fd);
|
|
Packit Service |
4684c1 |
|
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Packit Service |
4684c1 |
gnutls_deinit(session);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_anon_free_client_credentials(anoncred);
|
|
Packit Service |
4684c1 |
gnutls_certificate_free_credentials(x509_cred);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_global_deinit();
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
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Packit Service |
4684c1 |
|
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Packit Service |
4684c1 |
/* These are global */
|
|
Packit Service |
4684c1 |
pid_t child;
|
|
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4684c1 |
|
|
Packit Service |
4684c1 |
static void terminate(void)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
kill(child, SIGTERM);
|
|
Packit Service |
4684c1 |
exit(1);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static void server(int fd, const char *prio)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
int ret;
|
|
Packit Service |
4684c1 |
char buffer[MAX_BUF + 1];
|
|
Packit Service |
4684c1 |
gnutls_session_t session;
|
|
Packit Service |
4684c1 |
gnutls_anon_server_credentials_t anoncred;
|
|
Packit Service |
4684c1 |
gnutls_certificate_credentials_t x509_cred;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* this must be called once in the program
|
|
Packit Service |
4684c1 |
*/
|
|
Packit Service |
4684c1 |
global_init();
|
|
Packit Service |
4684c1 |
memset(buffer, 0, sizeof(buffer));
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (debug) {
|
|
Packit Service |
4684c1 |
gnutls_global_set_log_function(server_log_func);
|
|
Packit Service |
4684c1 |
gnutls_global_set_log_level(4711);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_certificate_allocate_credentials(&x509_cred);
|
|
Packit Service |
4684c1 |
gnutls_certificate_set_x509_key_mem(x509_cred, &server_cert,
|
|
Packit Service |
4684c1 |
&server_key,
|
|
Packit Service |
4684c1 |
GNUTLS_X509_FMT_PEM);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_anon_allocate_server_credentials(&anoncred);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_init(&session, GNUTLS_SERVER | GNUTLS_DATAGRAM);
|
|
Packit Service |
4684c1 |
gnutls_dtls_set_mtu(session, 1500);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* avoid calling all the priority functions, since the defaults
|
|
Packit Service |
4684c1 |
* are adequate.
|
|
Packit Service |
4684c1 |
*/
|
|
Packit Service |
4684c1 |
ret = gnutls_priority_set_direct(session, prio, NULL);
|
|
Packit Service |
4684c1 |
if (ret < 0) {
|
|
Packit Service |
4684c1 |
fail("error in priority '%s': %s\n", prio, gnutls_strerror(ret));
|
|
Packit Service |
4684c1 |
exit(1);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred);
|
|
Packit Service |
4684c1 |
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_transport_set_int(session, fd);
|
|
Packit Service |
4684c1 |
gnutls_transport_set_push_function(session, push_crippled);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
do {
|
|
Packit Service |
4684c1 |
ret = gnutls_handshake(session);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
|
|
Packit Service |
4684c1 |
if (ret < 0) {
|
|
Packit Service |
4684c1 |
close(fd);
|
|
Packit Service |
4684c1 |
gnutls_deinit(session);
|
|
Packit Service |
4684c1 |
fail("server: Handshake has failed (%s)\n\n",
|
|
Packit Service |
4684c1 |
gnutls_strerror(ret));
|
|
Packit Service |
4684c1 |
terminate();
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success("server: Handshake was completed\n");
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success("server: TLS version is: %s\n",
|
|
Packit Service |
4684c1 |
gnutls_protocol_get_name
|
|
Packit Service |
4684c1 |
(gnutls_protocol_get_version(session)));
|
|
Packit Service |
4684c1 |
mtu = gnutls_dtls_get_mtu(session);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
do {
|
|
Packit Service |
4684c1 |
usleep(10000); /* some systems like FreeBSD have their buffers full during this send */
|
|
Packit Service |
4684c1 |
do {
|
|
Packit Service |
4684c1 |
ret =
|
|
Packit Service |
4684c1 |
gnutls_record_send(session, buffer,
|
|
Packit Service |
4684c1 |
sizeof(buffer));
|
|
Packit Service |
4684c1 |
} while (ret == GNUTLS_E_AGAIN
|
|
Packit Service |
4684c1 |
|| ret == GNUTLS_E_INTERRUPTED);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (ret < 0) {
|
|
Packit Service |
4684c1 |
fail("Error sending %d byte packet: %s\n", to_send,
|
|
Packit Service |
4684c1 |
gnutls_strerror(ret));
|
|
Packit Service |
4684c1 |
terminate();
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
to_send++;
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
while (to_send < 64);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
to_send = -1;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* wait for the peer to close the connection.
|
|
Packit Service |
4684c1 |
*/
|
|
Packit Service |
4684c1 |
gnutls_bye(session, GNUTLS_SHUT_WR);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
close(fd);
|
|
Packit Service |
4684c1 |
gnutls_deinit(session);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_anon_free_server_credentials(anoncred);
|
|
Packit Service |
4684c1 |
gnutls_certificate_free_credentials(x509_cred);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_global_deinit();
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success("server: finished\n");
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static void start(const char *name, const char *prio)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
int fd[2];
|
|
Packit Service |
4684c1 |
int ret, status = 0;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
ret = socketpair(AF_UNIX, SOCK_DGRAM, 0, fd);
|
|
Packit Service |
4684c1 |
if (ret < 0) {
|
|
Packit Service |
4684c1 |
perror("socketpair");
|
|
Packit Service |
4684c1 |
exit(1);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
child = fork();
|
|
Packit Service |
4684c1 |
if (child < 0) {
|
|
Packit Service |
4684c1 |
perror("fork");
|
|
Packit Service |
4684c1 |
fail("fork");
|
|
Packit Service |
4684c1 |
exit(1);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (child) {
|
|
Packit Service |
4684c1 |
/* parent */
|
|
Packit Service |
4684c1 |
success("trying: %s\n", name);
|
|
Packit Service |
4684c1 |
close(fd[0]);
|
|
Packit Service |
4684c1 |
client(fd[1], prio);
|
|
Packit Service |
4684c1 |
wait(&status);
|
|
Packit Service |
4684c1 |
check_wait_status(status);
|
|
Packit Service |
4684c1 |
} else {
|
|
Packit Service |
4684c1 |
close(fd[1]);
|
|
Packit Service |
4684c1 |
server(fd[0], prio);
|
|
Packit Service |
4684c1 |
exit(0);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
#define AES_CBC "NONE:+VERS-DTLS1.0:-CIPHER-ALL:+AES-128-CBC:+SHA1:+SIGN-ALL:+COMP-ALL:+ANON-ECDH:+CURVE-ALL"
|
|
Packit Service |
4684c1 |
#define AES_CBC_SHA256 "NONE:+VERS-DTLS1.2:-CIPHER-ALL:+RSA:+AES-128-CBC:+AES-256-CBC:+SHA256:+SIGN-ALL:+COMP-ALL:+ANON-ECDH:+CURVE-ALL"
|
|
Packit Service |
4684c1 |
#define AES_GCM "NONE:+VERS-DTLS1.2:-CIPHER-ALL:+RSA:+AES-128-GCM:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-ECDH:+CURVE-ALL"
|
|
Packit Service |
4684c1 |
#define AES_CCM "NONE:+VERS-DTLS1.2:-CIPHER-ALL:+RSA:+AES-128-CCM:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-ECDH:+CURVE-ALL"
|
|
Packit Service |
4684c1 |
#define AES_CCM_8 "NONE:+VERS-DTLS1.2:-CIPHER-ALL:+RSA:+AES-128-CCM-8:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-ECDH:+CURVE-ALL"
|
|
Packit Service |
4684c1 |
#define CHACHA_POLY1305 "NONE:+VERS-DTLS1.2:-CIPHER-ALL:+RSA:+CHACHA20-POLY1305:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ECDHE-RSA:+CURVE-ALL"
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static void ch_handler(int sig)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
return;
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
void doit(void)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
signal(SIGCHLD, ch_handler);
|
|
Packit Service |
4684c1 |
signal(SIGPIPE, SIG_IGN);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
start("aes-cbc", AES_CBC);
|
|
Packit Service |
4684c1 |
start("aes-cbc-sha256", AES_CBC_SHA256);
|
|
Packit Service |
4684c1 |
start("aes-gcm", AES_GCM);
|
|
Packit Service |
4684c1 |
start("aes-ccm", AES_CCM);
|
|
Packit Service |
4684c1 |
start("aes-ccm-8", AES_CCM_8);
|
|
Packit Service |
4684c1 |
if (!gnutls_fips140_mode_enabled()) {
|
|
Packit Service |
4684c1 |
start("chacha20", CHACHA_POLY1305);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
#endif /* _WIN32 */
|