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/*
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* Copyright (C) 2004-2012 Free Software Foundation, Inc.
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* Copyright (C) 2013 Adam Sampson <ats@offog.org>
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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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4684c1 |
* 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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4684c1 |
* (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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4684c1 |
*
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* You should have received a copy of the GNU General Public License
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4684c1 |
* along with GnuTLS; if not, write to the Free Software Foundation,
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4684c1 |
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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4684c1 |
*/
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/* Parts copied from GnuTLS example programs. */
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4684c1 |
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#ifdef HAVE_CONFIG_H
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4684c1 |
#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(int argc, char **argv)
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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 <sys/socket.h>
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#if !defined(_WIN32)
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#include <sys/wait.h>
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#endif
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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 <sys/wait.h>
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#include <signal.h>
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#include "utils.h"
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static void wrap_db_init(void);
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static void wrap_db_deinit(void);
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static int wrap_db_store(void *dbf, gnutls_datum_t key,
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4684c1 |
gnutls_datum_t data);
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static gnutls_datum_t wrap_db_fetch(void *dbf, gnutls_datum_t key);
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static int wrap_db_delete(void *dbf, gnutls_datum_t key);
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#define TLS_SESSION_CACHE 50
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struct params_res {
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4684c1 |
const char *desc;
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4684c1 |
int enable_db;
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int enable_session_ticket_server;
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4684c1 |
int enable_session_ticket_client;
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int expect_resume;
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};
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pid_t child;
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struct params_res resume_tests[] = {
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4684c1 |
{"try to resume from db", 50, 0, 0, 1},
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4684c1 |
{"try to resume from session ticket", 0, 1, 1, 1},
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4684c1 |
{"try to resume from session ticket (server only)", 0, 1, 0, 0},
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4684c1 |
{"try to resume from session ticket (client only)", 0, 0, 1, 0},
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4684c1 |
{NULL, -1}
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4684c1 |
};
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4684c1 |
|
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4684c1 |
/* A very basic TLS client, with anonymous authentication.
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4684c1 |
*/
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4684c1 |
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#define SESSIONS 2
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#define MAX_BUF 5*1024
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#define MSG "Hello TLS"
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static void tls_log_func(int level, const char *str)
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4684c1 |
{
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4684c1 |
fprintf(stderr, "%s |<%d>| %s", child ? "server" : "client", level,
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4684c1 |
str);
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}
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4684c1 |
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4684c1 |
static void client(int sds[], struct params_res *params)
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4684c1 |
{
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4684c1 |
int ret, ii;
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4684c1 |
gnutls_session_t session;
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char buffer[MAX_BUF + 1];
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gnutls_anon_client_credentials_t anoncred;
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4684c1 |
/* Need to enable anonymous KX specifically. */
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/* variables used in session resuming
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4684c1 |
*/
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int t;
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4684c1 |
gnutls_datum_t session_data;
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if (debug) {
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gnutls_global_set_log_function(tls_log_func);
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4684c1 |
gnutls_global_set_log_level(3);
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4684c1 |
}
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4684c1 |
global_init();
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4684c1 |
gnutls_anon_allocate_client_credentials(&anoncred);
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4684c1 |
for (t = 0; t < SESSIONS; t++) {
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int sd = sds[t];
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/* Initialize TLS session
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4684c1 |
*/
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4684c1 |
gnutls_init(&session,
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GNUTLS_CLIENT | GNUTLS_DATAGRAM);
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4684c1 |
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/* Use default priorities */
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4684c1 |
if (params->enable_session_ticket_client)
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4684c1 |
gnutls_priority_set_direct(session,
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"NONE:+VERS-DTLS1.0:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-DH",
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NULL);
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else
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4684c1 |
gnutls_priority_set_direct(session,
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"NONE:+VERS-DTLS1.0:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-DH:%NO_TICKETS",
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4684c1 |
NULL);
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4684c1 |
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/* put the anonymous credentials to the current session
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4684c1 |
*/
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gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred);
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4684c1 |
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4684c1 |
if (t > 0) {
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4684c1 |
/* if this is not the first time we connect */
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4684c1 |
gnutls_session_set_data(session, session_data.data,
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4684c1 |
session_data.size);
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4684c1 |
gnutls_free(session_data.data);
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4684c1 |
}
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4684c1 |
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gnutls_transport_set_int(session, sd);
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4684c1 |
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4684c1 |
/* Perform the TLS handshake
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4684c1 |
*/
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4684c1 |
gnutls_dtls_set_timeouts(session, 3*1000, 240 * 1000);
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4684c1 |
do {
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4684c1 |
ret = gnutls_handshake(session);
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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 |
gnutls_perror(ret);
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4684c1 |
fail("client: Handshake failed\n");
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4684c1 |
goto end;
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4684c1 |
} else {
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4684c1 |
if (debug)
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4684c1 |
success
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4684c1 |
("client: Handshake was completed\n");
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4684c1 |
}
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4684c1 |
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4684c1 |
if (t == 0) { /* the first time we connect */
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4684c1 |
/* get the session data size */
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4684c1 |
ret =
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4684c1 |
gnutls_session_get_data2(session,
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4684c1 |
&session_data);
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4684c1 |
if (ret < 0)
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4684c1 |
fail("Getting resume data failed\n");
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4684c1 |
} else { /* the second time we connect */
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4684c1 |
|
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Packit Service |
4684c1 |
/* check if we actually resumed the previous session */
|
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4684c1 |
if (gnutls_session_is_resumed(session) != 0) {
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Packit Service |
4684c1 |
if (params->expect_resume) {
|
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Packit Service |
4684c1 |
if (debug)
|
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Packit Service |
4684c1 |
success
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Packit Service |
4684c1 |
("- Previous session was resumed\n");
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|
Packit Service |
4684c1 |
} else
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Packit Service |
4684c1 |
fail("- Previous session was resumed\n");
|
|
Packit Service |
4684c1 |
} else {
|
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Packit Service |
4684c1 |
if (params->expect_resume) {
|
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Packit Service |
4684c1 |
fail("*** Previous session was NOT resumed\n");
|
|
Packit Service |
4684c1 |
} else {
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success
|
|
Packit Service |
4684c1 |
("*** Previous session was NOT resumed (expected)\n");
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
}
|
|
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4684c1 |
|
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4684c1 |
gnutls_record_send(session, MSG, strlen(MSG));
|
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4684c1 |
|
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Packit Service |
4684c1 |
ret = gnutls_record_recv(session, buffer, MAX_BUF);
|
|
Packit Service |
4684c1 |
if (ret == 0) {
|
|
Packit Service |
4684c1 |
if (debug)
|
|
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 |
fail("client: Error: %s\n", gnutls_strerror(ret));
|
|
Packit Service |
4684c1 |
goto end;
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (debug) {
|
|
Packit Service |
4684c1 |
printf("- Received %d bytes: ", ret);
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|
Packit Service |
4684c1 |
for (ii = 0; ii < ret; ii++) {
|
|
Packit Service |
4684c1 |
fputc(buffer[ii], stdout);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
fputs("\n", stdout);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
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Packit Service |
4684c1 |
gnutls_bye(session, GNUTLS_SHUT_RDWR);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
close(sd);
|
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Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_deinit(session);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
end:
|
|
Packit Service |
4684c1 |
gnutls_anon_free_client_credentials(anoncred);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* This is a sample TLS 1.0 echo server, for anonymous authentication only.
|
|
Packit Service |
4684c1 |
*/
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
#define DH_BITS 1024
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* These are global */
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static gnutls_dh_params_t dh_params;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static int generate_dh_params(void)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
const gnutls_datum_t p3 = { (void *) pkcs3, strlen(pkcs3) };
|
|
Packit Service |
4684c1 |
/* Generate Diffie-Hellman parameters - for use with DHE
|
|
Packit Service |
4684c1 |
* kx algorithms. These should be discarded and regenerated
|
|
Packit Service |
4684c1 |
* once a day, once a week or once a month. Depending on the
|
|
Packit Service |
4684c1 |
* security requirements.
|
|
Packit Service |
4684c1 |
*/
|
|
Packit Service |
4684c1 |
gnutls_dh_params_init(&dh_params);
|
|
Packit Service |
4684c1 |
return gnutls_dh_params_import_pkcs3(dh_params, &p3,
|
|
Packit Service |
4684c1 |
GNUTLS_X509_FMT_PEM);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static char buffer[MAX_BUF + 1];
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static void global_stop(void)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success("global stop\n");
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_dh_params_deinit(dh_params);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_global_deinit();
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static void server(int sds[], struct params_res *params)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
gnutls_anon_server_credentials_t anoncred;
|
|
Packit Service |
4684c1 |
static gnutls_datum_t session_ticket_key = { NULL, 0 };
|
|
Packit Service |
4684c1 |
int ret;
|
|
Packit Service |
4684c1 |
size_t t;
|
|
Packit Service |
4684c1 |
gnutls_session_t session;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* this must be called once in the program, it is mostly for the server.
|
|
Packit Service |
4684c1 |
*/
|
|
Packit Service |
4684c1 |
if (debug) {
|
|
Packit Service |
4684c1 |
gnutls_global_set_log_function(tls_log_func);
|
|
Packit Service |
4684c1 |
gnutls_global_set_log_level(3);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
global_init();
|
|
Packit Service |
4684c1 |
gnutls_anon_allocate_server_credentials(&anoncred);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success("Launched, generating DH parameters...\n");
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_anon_set_server_dh_params(anoncred, dh_params);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (params->enable_db) {
|
|
Packit Service |
4684c1 |
wrap_db_init();
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (params->enable_session_ticket_server)
|
|
Packit Service |
4684c1 |
gnutls_session_ticket_key_generate(&session_ticket_key);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
for (t = 0; t < SESSIONS; t++) {
|
|
Packit Service |
4684c1 |
int sd = sds[t];
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_init(&session, GNUTLS_SERVER | GNUTLS_DATAGRAM);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_priority_set_direct(session,
|
|
Packit Service |
4684c1 |
"NONE:+VERS-DTLS1.0:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-DH",
|
|
Packit Service |
4684c1 |
NULL);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred);
|
|
Packit Service |
4684c1 |
gnutls_dh_set_prime_bits(session, DH_BITS);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (params->enable_db) {
|
|
Packit Service |
4684c1 |
gnutls_db_set_retrieve_function(session, wrap_db_fetch);
|
|
Packit Service |
4684c1 |
gnutls_db_set_remove_function(session, wrap_db_delete);
|
|
Packit Service |
4684c1 |
gnutls_db_set_store_function(session, wrap_db_store);
|
|
Packit Service |
4684c1 |
gnutls_db_set_ptr(session, NULL);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (params->enable_session_ticket_server)
|
|
Packit Service |
4684c1 |
gnutls_session_ticket_enable_server(session,
|
|
Packit Service |
4684c1 |
&session_ticket_key);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_transport_set_int(session, sd);
|
|
Packit Service |
4684c1 |
gnutls_dtls_set_timeouts(session, 3*1000, 240 * 1000);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
do {
|
|
Packit Service |
4684c1 |
ret = gnutls_handshake(session);
|
|
Packit Service |
4684c1 |
} while (ret < 0 && (ret == GNUTLS_E_INTERRUPTED||ret == GNUTLS_E_AGAIN));
|
|
Packit Service |
4684c1 |
if (ret < 0) {
|
|
Packit Service |
4684c1 |
close(sd);
|
|
Packit Service |
4684c1 |
gnutls_deinit(session);
|
|
Packit Service |
4684c1 |
kill(child, SIGTERM);
|
|
Packit Service |
4684c1 |
fail("server: Handshake has failed (%s)\n\n",
|
|
Packit Service |
4684c1 |
gnutls_strerror(ret));
|
|
Packit Service |
4684c1 |
return;
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success("server: Handshake was completed\n");
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* see the Getting peer's information example */
|
|
Packit Service |
4684c1 |
/* print_info(session); */
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
for (;;) {
|
|
Packit Service |
4684c1 |
memset(buffer, 0, MAX_BUF + 1);
|
|
Packit Service |
4684c1 |
ret = gnutls_record_recv(session, buffer, MAX_BUF);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (ret == 0) {
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success
|
|
Packit Service |
4684c1 |
("server: Peer has closed the GnuTLS connection\n");
|
|
Packit Service |
4684c1 |
break;
|
|
Packit Service |
4684c1 |
} else if (ret < 0) {
|
|
Packit Service |
4684c1 |
kill(child, SIGTERM);
|
|
Packit Service |
4684c1 |
fail("server: Received corrupted data(%d). Closing...\n", ret);
|
|
Packit Service |
4684c1 |
break;
|
|
Packit Service |
4684c1 |
} else if (ret > 0) {
|
|
Packit Service |
4684c1 |
/* echo data back to the client
|
|
Packit Service |
4684c1 |
*/
|
|
Packit Service |
4684c1 |
gnutls_record_send(session, buffer,
|
|
Packit Service |
4684c1 |
strlen(buffer));
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
/* do not 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(sd);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_deinit(session);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (params->enable_db) {
|
|
Packit Service |
4684c1 |
wrap_db_deinit();
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_free(session_ticket_key.data);
|
|
Packit Service |
4684c1 |
gnutls_anon_free_server_credentials(anoncred);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success("server: finished\n");
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
void doit(void)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
int i, err;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
signal(SIGCHLD, SIG_IGN);
|
|
Packit Service |
4684c1 |
signal(SIGPIPE, SIG_IGN);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
generate_dh_params();
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
for (i = 0; resume_tests[i].desc; i++) {
|
|
Packit Service |
4684c1 |
int client_sds[SESSIONS], server_sds[SESSIONS];
|
|
Packit Service |
4684c1 |
int j;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
printf("%s\n", resume_tests[i].desc);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
for (j = 0; j < SESSIONS; j++) {
|
|
Packit Service |
4684c1 |
int sockets[2];
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
err = socketpair(AF_UNIX, SOCK_STREAM, 0, sockets);
|
|
Packit Service |
4684c1 |
if (err == -1) {
|
|
Packit Service |
4684c1 |
perror("socketpair");
|
|
Packit Service |
4684c1 |
fail("socketpair failed\n");
|
|
Packit Service |
4684c1 |
return;
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
server_sds[j] = sockets[0];
|
|
Packit Service |
4684c1 |
client_sds[j] = sockets[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 |
return;
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (child) {
|
|
Packit Service |
4684c1 |
int status = 0;
|
|
Packit Service |
4684c1 |
/* parent */
|
|
Packit Service |
4684c1 |
for (j = 0; j < SESSIONS; j++)
|
|
Packit Service |
4684c1 |
close(client_sds[j]);
|
|
Packit Service |
4684c1 |
server(server_sds, &resume_tests[i]);
|
|
Packit Service |
4684c1 |
wait(&status);
|
|
Packit Service |
4684c1 |
check_wait_status(status);
|
|
Packit Service |
4684c1 |
} else {
|
|
Packit Service |
4684c1 |
for (j = 0; j < SESSIONS; j++)
|
|
Packit Service |
4684c1 |
close(server_sds[j]);
|
|
Packit Service |
4684c1 |
client(client_sds, &resume_tests[i]);
|
|
Packit Service |
4684c1 |
gnutls_global_deinit();
|
|
Packit Service |
4684c1 |
exit(0);
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
global_stop();
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* Functions and other stuff needed for session resuming.
|
|
Packit Service |
4684c1 |
* This is done using a very simple list which holds session ids
|
|
Packit Service |
4684c1 |
* and session data.
|
|
Packit Service |
4684c1 |
*/
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
#define MAX_SESSION_ID_SIZE 32
|
|
Packit Service |
4684c1 |
#define MAX_SESSION_DATA_SIZE 1024
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
typedef struct {
|
|
Packit Service |
4684c1 |
unsigned char session_id[MAX_SESSION_ID_SIZE];
|
|
Packit Service |
4684c1 |
unsigned int session_id_size;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
char session_data[MAX_SESSION_DATA_SIZE];
|
|
Packit Service |
4684c1 |
int session_data_size;
|
|
Packit Service |
4684c1 |
} CACHE;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static CACHE *cache_db;
|
|
Packit Service |
4684c1 |
static int cache_db_ptr = 0;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static void wrap_db_init(void)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* allocate cache_db */
|
|
Packit Service |
4684c1 |
cache_db = calloc(1, TLS_SESSION_CACHE * sizeof(CACHE));
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static void wrap_db_deinit(void)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
free(cache_db);
|
|
Packit Service |
4684c1 |
cache_db = NULL;
|
|
Packit Service |
4684c1 |
return;
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static int
|
|
Packit Service |
4684c1 |
wrap_db_store(void *dbf, gnutls_datum_t key, gnutls_datum_t data)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success("resume db storing... (%d-%d)\n", key.size,
|
|
Packit Service |
4684c1 |
data.size);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (debug) {
|
|
Packit Service |
4684c1 |
unsigned int i;
|
|
Packit Service |
4684c1 |
printf("key:\n");
|
|
Packit Service |
4684c1 |
for (i = 0; i < key.size; i++) {
|
|
Packit Service |
4684c1 |
printf("%02x ", key.data[i] & 0xFF);
|
|
Packit Service |
4684c1 |
if ((i + 1) % 16 == 0)
|
|
Packit Service |
4684c1 |
printf("\n");
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
printf("\n");
|
|
Packit Service |
4684c1 |
printf("data:\n");
|
|
Packit Service |
4684c1 |
for (i = 0; i < data.size; i++) {
|
|
Packit Service |
4684c1 |
printf("%02x ", data.data[i] & 0xFF);
|
|
Packit Service |
4684c1 |
if ((i + 1) % 16 == 0)
|
|
Packit Service |
4684c1 |
printf("\n");
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
printf("\n");
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (cache_db == NULL)
|
|
Packit Service |
4684c1 |
return -1;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (key.size > MAX_SESSION_ID_SIZE)
|
|
Packit Service |
4684c1 |
return -1;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (data.size > MAX_SESSION_DATA_SIZE)
|
|
Packit Service |
4684c1 |
return -1;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
memcpy(cache_db[cache_db_ptr].session_id, key.data, key.size);
|
|
Packit Service |
4684c1 |
cache_db[cache_db_ptr].session_id_size = key.size;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
memcpy(cache_db[cache_db_ptr].session_data, data.data, data.size);
|
|
Packit Service |
4684c1 |
cache_db[cache_db_ptr].session_data_size = data.size;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
cache_db_ptr++;
|
|
Packit Service |
4684c1 |
cache_db_ptr %= TLS_SESSION_CACHE;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
return 0;
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static gnutls_datum_t wrap_db_fetch(void *dbf, gnutls_datum_t key)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
gnutls_datum_t res = { NULL, 0 };
|
|
Packit Service |
4684c1 |
unsigned i;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success("resume db fetch... (%d)\n", key.size);
|
|
Packit Service |
4684c1 |
if (debug) {
|
|
Packit Service |
4684c1 |
printf("key:\n");
|
|
Packit Service |
4684c1 |
for (i = 0; i < key.size; i++) {
|
|
Packit Service |
4684c1 |
printf("%02x ", key.data[i] & 0xFF);
|
|
Packit Service |
4684c1 |
if ((i + 1) % 16 == 0)
|
|
Packit Service |
4684c1 |
printf("\n");
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
printf("\n");
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (cache_db == NULL)
|
|
Packit Service |
4684c1 |
return res;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
for (i = 0; i < TLS_SESSION_CACHE; i++) {
|
|
Packit Service |
4684c1 |
if (key.size == cache_db[i].session_id_size &&
|
|
Packit Service |
4684c1 |
memcmp(key.data, cache_db[i].session_id,
|
|
Packit Service |
4684c1 |
key.size) == 0) {
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success
|
|
Packit Service |
4684c1 |
("resume db fetch... return info\n");
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
res.size = cache_db[i].session_data_size;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
res.data = gnutls_malloc(res.size);
|
|
Packit Service |
4684c1 |
if (res.data == NULL)
|
|
Packit Service |
4684c1 |
return res;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
memcpy(res.data, cache_db[i].session_data,
|
|
Packit Service |
4684c1 |
res.size);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (debug) {
|
|
Packit Service |
4684c1 |
unsigned j;
|
|
Packit Service |
4684c1 |
printf("data:\n");
|
|
Packit Service |
4684c1 |
for (j = 0; j < res.size; j++) {
|
|
Packit Service |
4684c1 |
printf("%02x ",
|
|
Packit Service |
4684c1 |
res.data[j] & 0xFF);
|
|
Packit Service |
4684c1 |
if ((j + 1) % 16 == 0)
|
|
Packit Service |
4684c1 |
printf("\n");
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
printf("\n");
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
return res;
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (debug)
|
|
Packit Service |
4684c1 |
success("resume db fetch... NOT FOUND\n");
|
|
Packit Service |
4684c1 |
return res;
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
static int wrap_db_delete(void *dbf, gnutls_datum_t key)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
int i;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
if (cache_db == NULL)
|
|
Packit Service |
4684c1 |
return -1;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
for (i = 0; i < TLS_SESSION_CACHE; i++) {
|
|
Packit Service |
4684c1 |
if (key.size == cache_db[i].session_id_size &&
|
|
Packit Service |
4684c1 |
memcmp(key.data, cache_db[i].session_id,
|
|
Packit Service |
4684c1 |
key.size) == 0) {
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
cache_db[i].session_id_size = 0;
|
|
Packit Service |
4684c1 |
cache_db[i].session_data_size = 0;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
return 0;
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
return -1;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
#endif /* _WIN32 */
|