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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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4684c1 |
* 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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4684c1 |
* WITHOUT ANY WARRANTY; without even the implied warranty of
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4684c1 |
* 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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* 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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int main()
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{
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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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#include <sys/types.h>
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#include <netinet/in.h>
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#include <sys/socket.h>
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#include <sys/wait.h>
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#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 <assert.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 whether re-key occurs at the expected
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* time.
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*/
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4684c1 |
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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 void client(int fd, const char *prio, unsigned expect_update)
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4684c1 |
{
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int ret;
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4684c1 |
char buffer[MAX_BUF + 1];
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gnutls_certificate_credentials_t x509_cred;
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4684c1 |
gnutls_session_t session;
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unsigned char seq[8];
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unsigned update_happened = 0;
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4684c1 |
global_init();
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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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gnutls_certificate_allocate_credentials(&x509_cred);
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/* Initialize TLS session
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*/
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gnutls_init(&session, GNUTLS_CLIENT);
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/* Use default priorities */
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ret = gnutls_priority_set_direct(session, prio, NULL);
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4684c1 |
if (ret < 0) {
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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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gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
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gnutls_transport_set_int(session, fd);
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/* Perform the TLS handshake
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*/
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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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gnutls_protocol_get_name
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(gnutls_protocol_get_version(session)));
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/* make sure we are not blocked forever */
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gnutls_record_set_timeout(session, 10000);
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assert(gnutls_record_get_state(session, 1, NULL, NULL, NULL, seq) >= 0);
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assert(gnutls_record_set_state(session, 1, (void*)"\x00\x00\x00\x00\x00\xff\xff\xfa") >= 0);
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do {
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do {
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ret = gnutls_record_recv_seq(session, buffer, MAX_BUF, seq);
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} while (ret == GNUTLS_E_AGAIN
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|| ret == GNUTLS_E_INTERRUPTED);
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if (memcmp(seq, "\x00\x00\x00\x00\x00\x00\x00\x01", 8) == 0) {
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update_happened = 1;
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}
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4684c1 |
} while (ret > 0);
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4684c1 |
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if (ret == 0 || ret == GNUTLS_E_TIMEDOUT) {
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if (debug)
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success
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4684c1 |
("client: Peer has closed the TLS connection\n");
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goto end;
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4684c1 |
} else if (ret < 0) {
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4684c1 |
if (ret != 0) {
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fail("client: Error: %s\n", gnutls_strerror(ret));
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exit(1);
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4684c1 |
}
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4684c1 |
}
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4684c1 |
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gnutls_bye(session, GNUTLS_SHUT_WR);
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end:
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close(fd);
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gnutls_deinit(session);
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gnutls_certificate_free_credentials(x509_cred);
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4684c1 |
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4684c1 |
gnutls_global_deinit();
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4684c1 |
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4684c1 |
if (expect_update && update_happened == 0) {
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4684c1 |
fail("no update occurred!\n");
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4684c1 |
exit(1);
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4684c1 |
} else if (!expect_update && update_happened) {
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4684c1 |
fail("update occurred unexpectedly!\n");
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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("detected update!\n");
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|
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4684c1 |
}
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4684c1 |
}
|
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4684c1 |
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4684c1 |
|
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4684c1 |
/* These are global */
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4684c1 |
pid_t child;
|
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4684c1 |
|
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4684c1 |
static void terminate(void)
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4684c1 |
{
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4684c1 |
kill(child, SIGTERM);
|
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4684c1 |
exit(1);
|
|
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4684c1 |
}
|
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4684c1 |
|
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4684c1 |
static void server(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_session_t session;
|
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4684c1 |
gnutls_certificate_credentials_t x509_cred;
|
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Packit Service |
4684c1 |
unsigned i;
|
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4684c1 |
unsigned char seq[8];
|
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4684c1 |
|
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4684c1 |
/* this must be called once in the program
|
|
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4684c1 |
*/
|
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4684c1 |
global_init();
|
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4684c1 |
memset(buffer, 0, sizeof(buffer));
|
|
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4684c1 |
|
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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 |
}
|
|
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4684c1 |
|
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Packit Service |
4684c1 |
gnutls_certificate_allocate_credentials(&x509_cred);
|
|
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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_init(&session, GNUTLS_SERVER);
|
|
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4684c1 |
|
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4684c1 |
/* avoid calling all the priority functions, since the defaults
|
|
Packit Service |
4684c1 |
* are adequate.
|
|
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4684c1 |
*/
|
|
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4684c1 |
ret = gnutls_priority_set_direct(session, prio, NULL);
|
|
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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_CERTIFICATE, x509_cred);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_transport_set_int(session, fd);
|
|
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 |
|
|
Packit Service |
4684c1 |
assert(gnutls_record_get_state(session, 0, NULL, NULL, NULL, seq) >= 0);
|
|
Packit Service |
4684c1 |
assert(gnutls_record_set_state(session, 0, (void*)"\x00\x00\x00\x00\x00\xff\xff\xfa") >= 0);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
memset(buffer, 1, sizeof(buffer));
|
|
Packit Service |
4684c1 |
for (i = 0; i<32; i++) {
|
|
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", (int)sizeof(buffer),
|
|
Packit Service |
4684c1 |
gnutls_strerror(ret));
|
|
Packit Service |
4684c1 |
terminate();
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (ret != sizeof(buffer)) {
|
|
Packit Service |
4684c1 |
fail("Error sending %d byte packet: sent: %d\n", (int)sizeof(buffer),
|
|
Packit Service |
4684c1 |
ret);
|
|
Packit Service |
4684c1 |
terminate();
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
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_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, unsigned exp_update)
|
|
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_STREAM, 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 |
server(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 |
client(fd[0], prio, exp_update);
|
|
Packit Service |
4684c1 |
exit(0);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
#define AES_GCM "NORMAL:-VERS-ALL:+VERS-TLS1.3:-CIPHER-ALL:+AES-128-GCM"
|
|
Packit Service |
4684c1 |
#define CHACHA_POLY1305 "NORMAL:-VERS-ALL:+VERS-TLS1.3:-CIPHER-ALL:+CHACHA20-POLY1305"
|
|
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-gcm", AES_GCM, 1);
|
|
Packit Service |
4684c1 |
if (!gnutls_fips140_mode_enabled()) {
|
|
Packit Service |
4684c1 |
start("chacha20", CHACHA_POLY1305, 0);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
#endif /* _WIN32 */
|