|
Packit |
549fdc |
/*
|
|
Packit |
549fdc |
* Copyright (C) 2014 Red Hat
|
|
Packit |
549fdc |
*
|
|
Packit |
549fdc |
* Author: Nikos Mavrogiannopoulos
|
|
Packit |
549fdc |
*
|
|
Packit |
549fdc |
* This file is part of GnuTLS.
|
|
Packit |
549fdc |
*
|
|
Packit |
549fdc |
* GnuTLS is free software; you can redistribute it and/or modify it
|
|
Packit |
549fdc |
* under the terms of the GNU General Public License as published by
|
|
Packit |
549fdc |
* the Free Software Foundation; either version 3 of the License, or
|
|
Packit |
549fdc |
* (at your option) any later version.
|
|
Packit |
549fdc |
*
|
|
Packit |
549fdc |
* GnuTLS is distributed in the hope that it will be useful, but
|
|
Packit |
549fdc |
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
Packit |
549fdc |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Packit |
549fdc |
* General Public License for more details.
|
|
Packit |
549fdc |
*
|
|
Packit |
549fdc |
* You should have received a copy of the GNU General Public License
|
|
Packit |
549fdc |
* along with GnuTLS; if not, write to the Free Software Foundation,
|
|
Packit |
549fdc |
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
|
Packit |
549fdc |
*/
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
#ifdef HAVE_CONFIG_H
|
|
Packit |
549fdc |
#include <config.h>
|
|
Packit |
549fdc |
#endif
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
#include <stdio.h>
|
|
Packit |
549fdc |
#include <stdlib.h>
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
/* This tests the behavior of server in a low-mtu case scenario */
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
#if defined(_WIN32)
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
int main()
|
|
Packit |
549fdc |
{
|
|
Packit |
549fdc |
exit(77);
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
#else
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
#include <string.h>
|
|
Packit |
549fdc |
#include <sys/types.h>
|
|
Packit |
549fdc |
#include <netinet/in.h>
|
|
Packit |
549fdc |
#include <sys/socket.h>
|
|
Packit |
549fdc |
#include <sys/wait.h>
|
|
Packit |
549fdc |
#include <arpa/inet.h>
|
|
Packit |
549fdc |
#include <unistd.h>
|
|
Packit |
549fdc |
#include <gnutls/gnutls.h>
|
|
Packit |
549fdc |
#include <gnutls/dtls.h>
|
|
Packit |
549fdc |
#include <signal.h>
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
#include "utils.h"
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
static void terminate(void);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
/* This program tests the robustness of record
|
|
Packit |
549fdc |
* decoding.
|
|
Packit |
549fdc |
*/
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
static void server_log_func(int level, const char *str)
|
|
Packit |
549fdc |
{
|
|
Packit |
549fdc |
fprintf(stderr, "server|<%d>| %s", level, str);
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
static void client_log_func(int level, const char *str)
|
|
Packit |
549fdc |
{
|
|
Packit |
549fdc |
fprintf(stderr, "client|<%d>| %s", level, str);
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
static unsigned char server_cert_pem[] =
|
|
Packit |
549fdc |
"-----BEGIN CERTIFICATE-----\n"
|
|
Packit |
549fdc |
"MIICHzCCAaWgAwIBAgIBCTAKBggqhkjOPQQDAjA+MQswCQYDVQQGEwJOTDERMA8G\n"
|
|
Packit |
549fdc |
"A1UEChMIUG9sYXJTU0wxHDAaBgNVBAMTE1BvbGFyc3NsIFRlc3QgRUMgQ0EwHhcN\n"
|
|
Packit |
549fdc |
"MTMwOTI0MTU1MjA0WhcNMjMwOTIyMTU1MjA0WjA0MQswCQYDVQQGEwJOTDERMA8G\n"
|
|
Packit |
549fdc |
"A1UEChMIUG9sYXJTU0wxEjAQBgNVBAMTCWxvY2FsaG9zdDBZMBMGByqGSM49AgEG\n"
|
|
Packit |
549fdc |
"CCqGSM49AwEHA0IABDfMVtl2CR5acj7HWS3/IG7ufPkGkXTQrRS192giWWKSTuUA\n"
|
|
Packit |
549fdc |
"2CMR/+ov0jRdXRa9iojCa3cNVc2KKg76Aci07f+jgZ0wgZowCQYDVR0TBAIwADAd\n"
|
|
Packit |
549fdc |
"BgNVHQ4EFgQUUGGlj9QH2deCAQzlZX+MY0anE74wbgYDVR0jBGcwZYAUnW0gJEkB\n"
|
|
Packit |
549fdc |
"PyvLeLUZvH4kydv7NnyhQqRAMD4xCzAJBgNVBAYTAk5MMREwDwYDVQQKEwhQb2xh\n"
|
|
Packit |
549fdc |
"clNTTDEcMBoGA1UEAxMTUG9sYXJzc2wgVGVzdCBFQyBDQYIJAMFD4n5iQ8zoMAoG\n"
|
|
Packit |
549fdc |
"CCqGSM49BAMCA2gAMGUCMQCaLFzXptui5WQN8LlO3ddh1hMxx6tzgLvT03MTVK2S\n"
|
|
Packit |
549fdc |
"C12r0Lz3ri/moSEpNZWqPjkCMCE2f53GXcYLqyfyJR078c/xNSUU5+Xxl7VZ414V\n"
|
|
Packit |
549fdc |
"fGa5kHvHARBPc8YAIVIqDvHH1Q==\n"
|
|
Packit |
549fdc |
"-----END CERTIFICATE-----\n";
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
const gnutls_datum_t server_cert = { server_cert_pem,
|
|
Packit |
549fdc |
sizeof(server_cert_pem)
|
|
Packit |
549fdc |
};
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
static unsigned char server_key_pem[] =
|
|
Packit |
549fdc |
"-----BEGIN EC PRIVATE KEY-----\n"
|
|
Packit |
549fdc |
"MHcCAQEEIPEqEyB2AnCoPL/9U/YDHvdqXYbIogTywwyp6/UfDw6noAoGCCqGSM49\n"
|
|
Packit |
549fdc |
"AwEHoUQDQgAEN8xW2XYJHlpyPsdZLf8gbu58+QaRdNCtFLX3aCJZYpJO5QDYIxH/\n"
|
|
Packit |
549fdc |
"6i/SNF1dFr2KiMJrdw1VzYoqDvoByLTt/w==\n"
|
|
Packit |
549fdc |
"-----END EC PRIVATE KEY-----\n";
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
const gnutls_datum_t server_key = { server_key_pem,
|
|
Packit |
549fdc |
sizeof(server_key_pem)
|
|
Packit |
549fdc |
};
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
/* A very basic TLS client, with anonymous authentication.
|
|
Packit |
549fdc |
*/
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
#define MAX_BUF 1024
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
static int mtu = 0;
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
static void client(int fd, const char *prio)
|
|
Packit |
549fdc |
{
|
|
Packit |
549fdc |
int ret;
|
|
Packit |
549fdc |
char buffer[MAX_BUF + 1];
|
|
Packit |
549fdc |
gnutls_anon_client_credentials_t anoncred;
|
|
Packit |
549fdc |
gnutls_certificate_credentials_t x509_cred;
|
|
Packit |
549fdc |
gnutls_session_t session;
|
|
Packit |
549fdc |
/* Need to enable anonymous KX specifically. */
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
global_init();
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
if (debug) {
|
|
Packit |
549fdc |
gnutls_global_set_log_function(client_log_func);
|
|
Packit |
549fdc |
gnutls_global_set_log_level(6);
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
gnutls_anon_allocate_client_credentials(&anoncred);
|
|
Packit |
549fdc |
gnutls_certificate_allocate_credentials(&x509_cred);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
/* Initialize TLS session
|
|
Packit |
549fdc |
*/
|
|
Packit |
549fdc |
gnutls_init(&session, GNUTLS_CLIENT | GNUTLS_DATAGRAM);
|
|
Packit |
549fdc |
// gnutls_dtls_set_mtu(session, 104);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
/* Use default priorities */
|
|
Packit |
549fdc |
gnutls_priority_set_direct(session, prio, NULL);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
/* put the anonymous credentials to the current session
|
|
Packit |
549fdc |
*/
|
|
Packit |
549fdc |
gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred);
|
|
Packit |
549fdc |
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
gnutls_transport_set_int(session, fd);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
/* Perform the TLS handshake
|
|
Packit |
549fdc |
*/
|
|
Packit |
549fdc |
do {
|
|
Packit |
549fdc |
ret = gnutls_handshake(session);
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
if (ret < 0) {
|
|
Packit |
549fdc |
fail("client: Handshake failed: %s (%d)\n", gnutls_strerror(ret), ret);
|
|
Packit |
549fdc |
exit(1);
|
|
Packit |
549fdc |
} else {
|
|
Packit |
549fdc |
if (debug)
|
|
Packit |
549fdc |
success("client: Handshake was completed\n");
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
if (debug)
|
|
Packit |
549fdc |
success("client: TLS version is: %s\n",
|
|
Packit |
549fdc |
gnutls_protocol_get_name
|
|
Packit |
549fdc |
(gnutls_protocol_get_version(session)));
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
do {
|
|
Packit |
549fdc |
do {
|
|
Packit |
549fdc |
ret = gnutls_record_recv(session, buffer, MAX_BUF);
|
|
Packit |
549fdc |
} while (ret == GNUTLS_E_AGAIN
|
|
Packit |
549fdc |
|| ret == GNUTLS_E_INTERRUPTED);
|
|
Packit |
549fdc |
} while (ret > 0);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
if (ret == 0) {
|
|
Packit |
549fdc |
if (debug)
|
|
Packit |
549fdc |
success
|
|
Packit |
549fdc |
("client: Peer has closed the TLS connection\n");
|
|
Packit |
549fdc |
goto end;
|
|
Packit |
549fdc |
} else if (ret < 0) {
|
|
Packit |
549fdc |
if (ret != 0) {
|
|
Packit |
549fdc |
fail("client: Error: %s\n", gnutls_strerror(ret));
|
|
Packit |
549fdc |
exit(1);
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
gnutls_bye(session, GNUTLS_SHUT_WR);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
end:
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
close(fd);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
gnutls_deinit(session);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
gnutls_anon_free_client_credentials(anoncred);
|
|
Packit |
549fdc |
gnutls_certificate_free_credentials(x509_cred);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
gnutls_global_deinit();
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
/* These are global */
|
|
Packit |
549fdc |
pid_t child;
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
static void terminate(void)
|
|
Packit |
549fdc |
{
|
|
Packit |
549fdc |
kill(child, SIGTERM);
|
|
Packit |
549fdc |
exit(1);
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
static void server(int fd, const char *prio)
|
|
Packit |
549fdc |
{
|
|
Packit |
549fdc |
int ret;
|
|
Packit |
549fdc |
char buffer[MAX_BUF + 1];
|
|
Packit |
549fdc |
gnutls_session_t session;
|
|
Packit |
549fdc |
gnutls_anon_server_credentials_t anoncred;
|
|
Packit |
549fdc |
gnutls_certificate_credentials_t x509_cred;
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
/* this must be called once in the program
|
|
Packit |
549fdc |
*/
|
|
Packit |
549fdc |
global_init();
|
|
Packit |
549fdc |
memset(buffer, 0, sizeof(buffer));
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
if (debug) {
|
|
Packit |
549fdc |
gnutls_global_set_log_function(server_log_func);
|
|
Packit |
549fdc |
gnutls_global_set_log_level(6);
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
gnutls_certificate_allocate_credentials(&x509_cred);
|
|
Packit |
549fdc |
gnutls_certificate_set_x509_key_mem(x509_cred, &server_cert,
|
|
Packit |
549fdc |
&server_key,
|
|
Packit |
549fdc |
GNUTLS_X509_FMT_PEM);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
gnutls_anon_allocate_server_credentials(&anoncred);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
gnutls_init(&session, GNUTLS_SERVER | GNUTLS_DATAGRAM);
|
|
Packit |
549fdc |
gnutls_dtls_set_mtu(session, 104);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
/* avoid calling all the priority functions, since the defaults
|
|
Packit |
549fdc |
* are adequate.
|
|
Packit |
549fdc |
*/
|
|
Packit |
549fdc |
gnutls_priority_set_direct(session, prio, NULL);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred);
|
|
Packit |
549fdc |
gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
gnutls_transport_set_int(session, fd);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
do {
|
|
Packit |
549fdc |
ret = gnutls_handshake(session);
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
|
|
Packit |
549fdc |
if (ret < 0) {
|
|
Packit |
549fdc |
close(fd);
|
|
Packit |
549fdc |
gnutls_deinit(session);
|
|
Packit |
549fdc |
fail("server: Handshake has failed (%s)\n\n",
|
|
Packit |
549fdc |
gnutls_strerror(ret));
|
|
Packit |
549fdc |
terminate();
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
if (debug)
|
|
Packit |
549fdc |
success("server: Handshake was completed\n");
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
if (debug)
|
|
Packit |
549fdc |
success("server: TLS version is: %s\n",
|
|
Packit |
549fdc |
gnutls_protocol_get_name
|
|
Packit |
549fdc |
(gnutls_protocol_get_version(session)));
|
|
Packit |
549fdc |
mtu = gnutls_dtls_get_mtu(session);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
do {
|
|
Packit |
549fdc |
ret =
|
|
Packit |
549fdc |
gnutls_record_send(session, buffer,
|
|
Packit |
549fdc |
gnutls_dtls_get_data_mtu(session));
|
|
Packit |
549fdc |
} while (ret == GNUTLS_E_AGAIN
|
|
Packit |
549fdc |
|| ret == GNUTLS_E_INTERRUPTED);
|
|
Packit |
549fdc |
if (ret < 0) {
|
|
Packit |
549fdc |
fail("Error sending packet: %s\n",
|
|
Packit |
549fdc |
gnutls_strerror(ret));
|
|
Packit |
549fdc |
terminate();
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
/* do not wait for the peer to close the connection.
|
|
Packit |
549fdc |
*/
|
|
Packit |
549fdc |
gnutls_bye(session, GNUTLS_SHUT_WR);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
close(fd);
|
|
Packit |
549fdc |
gnutls_deinit(session);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
gnutls_anon_free_server_credentials(anoncred);
|
|
Packit |
549fdc |
gnutls_certificate_free_credentials(x509_cred);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
gnutls_global_deinit();
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
if (debug)
|
|
Packit |
549fdc |
success("server: finished\n");
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
static void start(const char *prio)
|
|
Packit |
549fdc |
{
|
|
Packit |
549fdc |
int fd[2];
|
|
Packit |
549fdc |
int ret;
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
ret = socketpair(AF_UNIX, SOCK_STREAM, 0, fd);
|
|
Packit |
549fdc |
if (ret < 0) {
|
|
Packit |
549fdc |
perror("socketpair");
|
|
Packit |
549fdc |
exit(1);
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
child = fork();
|
|
Packit |
549fdc |
if (child < 0) {
|
|
Packit |
549fdc |
perror("fork");
|
|
Packit |
549fdc |
fail("fork");
|
|
Packit |
549fdc |
exit(1);
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
if (child) {
|
|
Packit |
549fdc |
/* parent */
|
|
Packit |
549fdc |
close(fd[1]);
|
|
Packit |
549fdc |
server(fd[0], prio);
|
|
Packit |
549fdc |
kill(child, SIGTERM);
|
|
Packit |
549fdc |
} else {
|
|
Packit |
549fdc |
close(fd[0]);
|
|
Packit |
549fdc |
client(fd[1], prio);
|
|
Packit |
549fdc |
exit(0);
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
#define AES_GCM "NONE:+VERS-DTLS1.2:-CIPHER-ALL:+ECDHE-ECDSA:+AES-128-GCM:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-ECDH:+CURVE-ALL"
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
static void ch_handler(int sig)
|
|
Packit |
549fdc |
{
|
|
Packit |
549fdc |
int status;
|
|
Packit |
549fdc |
wait(&status);
|
|
Packit |
549fdc |
check_wait_status(status);
|
|
Packit |
549fdc |
return;
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
void doit(void)
|
|
Packit |
549fdc |
{
|
|
Packit |
549fdc |
signal(SIGCHLD, ch_handler);
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
start(AES_GCM);
|
|
Packit |
549fdc |
}
|
|
Packit |
549fdc |
|
|
Packit |
549fdc |
#endif /* _WIN32 */
|