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/*
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* Copyright (C) 2017-2018 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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* 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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#include <string.h>
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#include <errno.h>
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#include <gnutls/gnutls.h>
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#include <gnutls/crypto.h>
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#include <assert.h>
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#include "cert-common.h"
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#include "utils.h"
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#define RANDOMIZE
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#include "eagain-common.h"
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const char *side = "";
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static void tls_log_func(int level, const char *str)
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{
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fprintf(stderr, "%s|<%d>| %s", side, level, str);
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}
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#define MAX_BUF 1024
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#define MSG "Hello TLS, and hi and how are you and more data here... and more... and even more and even more more data..."
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static unsigned key_update_msg_inc = 0;
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static unsigned key_update_msg_out = 0;
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static int hsk_callback(gnutls_session_t session, unsigned int htype,
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unsigned post, unsigned int incoming, const gnutls_datum_t *msg)
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{
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assert(post == GNUTLS_HOOK_PRE);
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assert(msg->size == 1);
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if (htype == GNUTLS_HANDSHAKE_KEY_UPDATE) {
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if (incoming)
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key_update_msg_inc++;
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else
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key_update_msg_out++;
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}
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return 0;
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}
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static void run(const char *name, unsigned test)
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{
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/* Server stuff. */
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gnutls_certificate_credentials_t ccred;
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gnutls_certificate_credentials_t scred;
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gnutls_session_t server;
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int sret, cret;
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/* Client stuff. */
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gnutls_session_t client;
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/* Need to enable anonymous KX specifically. */
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char buffer[MAX_BUF + 1];
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int ret, transferred = 0;
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/* General init. */
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global_init();
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gnutls_global_set_log_function(tls_log_func);
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if (debug)
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gnutls_global_set_log_level(9);
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/* Init server */
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assert(gnutls_certificate_allocate_credentials(&scred) >= 0);
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assert(gnutls_certificate_set_x509_key_mem(scred,
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&server_ca3_localhost_cert,
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&server_ca3_key,
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GNUTLS_X509_FMT_PEM) >= 0);
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assert(gnutls_init(&server, GNUTLS_SERVER) >= 0);
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ret =
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gnutls_priority_set_direct(server,
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"NORMAL:-VERS-TLS-ALL:+VERS-TLS1.3",
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NULL);
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if (ret < 0)
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exit(1);
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gnutls_credentials_set(server, GNUTLS_CRD_CERTIFICATE, scred);
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gnutls_transport_set_push_function(server, server_push);
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gnutls_transport_set_pull_function(server, server_pull);
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gnutls_transport_set_ptr(server, server);
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/* Init client */
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assert(gnutls_certificate_allocate_credentials(&ccred) >= 0);
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assert(gnutls_certificate_set_x509_trust_mem
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(ccred, &ca3_cert, GNUTLS_X509_FMT_PEM) >= 0);
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gnutls_init(&client, GNUTLS_CLIENT);
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ret =
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gnutls_priority_set_direct(client,
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"NORMAL:-VERS-TLS-ALL:+VERS-TLS1.3",
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NULL);
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assert(ret >= 0);
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ret = gnutls_credentials_set(client, GNUTLS_CRD_CERTIFICATE, ccred);
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if (ret < 0)
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exit(1);
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gnutls_transport_set_push_function(client, client_push);
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gnutls_transport_set_pull_function(client, client_pull);
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gnutls_transport_set_ptr(client, client);
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HANDSHAKE(client, server);
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if (debug)
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success("Handshake established\n");
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switch (test) {
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4684c1 |
case 0:
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4684c1 |
case 1:
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success("%s: updating client's key\n", name);
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do {
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ret = gnutls_session_key_update(client, 0);
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} while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
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/* server receives the client key update and sends data */
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TRANSFER(client, server, MSG, strlen(MSG), buffer, MAX_BUF);
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TRANSFER(server, client, MSG, strlen(MSG), buffer, MAX_BUF);
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EMPTY_BUF(server, client, buffer, MAX_BUF);
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if (test != 0)
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break;
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4684c1 |
sec_sleep(2);
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4684c1 |
FALLTHROUGH;
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4684c1 |
case 2:
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success("%s: updating server's key\n", name);
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do {
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ret = gnutls_session_key_update(server, 0);
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} while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
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if (ret < 0)
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fail("error in key update: %s\n", gnutls_strerror(ret));
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/* client receives the key update and sends data */
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TRANSFER(client, server, MSG, strlen(MSG), buffer, MAX_BUF);
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4684c1 |
TRANSFER(server, client, MSG, strlen(MSG), buffer, MAX_BUF);
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4684c1 |
EMPTY_BUF(server, client, buffer, MAX_BUF);
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4684c1 |
if (test != 0)
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4684c1 |
break;
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4684c1 |
sec_sleep(2);
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4684c1 |
FALLTHROUGH;
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4684c1 |
case 3:
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4684c1 |
success("%s: updating client's key and asking server\n", name);
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do {
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4684c1 |
ret = gnutls_session_key_update(client, GNUTLS_KU_PEER);
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4684c1 |
} while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
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4684c1 |
if (ret < 0)
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fail("error in key update: %s\n", gnutls_strerror(ret));
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4684c1 |
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/* server receives the client key update and sends data */
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TRANSFER(client, server, MSG, strlen(MSG), buffer, MAX_BUF);
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4684c1 |
TRANSFER(server, client, MSG, strlen(MSG), buffer, MAX_BUF);
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4684c1 |
EMPTY_BUF(server, client, buffer, MAX_BUF);
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4684c1 |
if (test != 0)
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4684c1 |
break;
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4684c1 |
sec_sleep(2);
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4684c1 |
FALLTHROUGH;
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Packit Service |
4684c1 |
case 4:
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4684c1 |
success("%s: updating server's key and asking client\n", name);
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4684c1 |
do {
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4684c1 |
ret = gnutls_session_key_update(server, GNUTLS_KU_PEER);
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4684c1 |
} while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
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4684c1 |
if (ret < 0)
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4684c1 |
fail("error in key update: %s\n", gnutls_strerror(ret));
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4684c1 |
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Packit Service |
4684c1 |
TRANSFER(client, server, MSG, strlen(MSG), buffer, MAX_BUF);
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Packit Service |
4684c1 |
TRANSFER(server, client, MSG, strlen(MSG), buffer, MAX_BUF);
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Packit Service |
4684c1 |
EMPTY_BUF(server, client, buffer, MAX_BUF);
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Packit Service |
4684c1 |
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Packit Service |
4684c1 |
sec_sleep(2);
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Packit Service |
4684c1 |
break;
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Packit Service |
4684c1 |
case 5:
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4684c1 |
success("%s: client cork\n", name);
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4684c1 |
gnutls_record_cork(client);
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Packit Service |
4684c1 |
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Packit Service |
4684c1 |
/* server sends key update */
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Packit Service |
4684c1 |
do {
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Packit Service |
4684c1 |
ret = gnutls_session_key_update(server, GNUTLS_KU_PEER);
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Packit Service |
4684c1 |
} while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
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Packit Service |
4684c1 |
if (ret < 0)
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4684c1 |
fail("error in key update: %s\n", gnutls_strerror(ret));
|
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Packit Service |
4684c1 |
|
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Packit Service |
4684c1 |
/* client has data in the corked buffer */
|
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4684c1 |
do {
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Packit Service |
4684c1 |
ret = gnutls_record_send(client, MSG, strlen(MSG));
|
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Packit Service |
4684c1 |
} while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
|
|
Packit Service |
4684c1 |
if (ret < 0)
|
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Packit Service |
4684c1 |
fail("cannot send: %s\n", gnutls_strerror(ret));
|
|
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4684c1 |
|
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Packit Service |
4684c1 |
/* client receives key update */
|
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Packit Service |
4684c1 |
EMPTY_BUF(server, client, buffer, MAX_BUF);
|
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Packit Service |
4684c1 |
|
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Packit Service |
4684c1 |
/* client uncorks and sends key update */
|
|
Packit Service |
4684c1 |
do {
|
|
Packit Service |
4684c1 |
ret = gnutls_record_uncork(client, GNUTLS_RECORD_WAIT);
|
|
Packit Service |
4684c1 |
} while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
|
|
Packit Service |
4684c1 |
if (ret < 0)
|
|
Packit Service |
4684c1 |
fail("cannot send: %s\n", gnutls_strerror(ret));
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
EMPTY_BUF(server, client, buffer, MAX_BUF);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
sec_sleep(2);
|
|
Packit Service |
4684c1 |
break;
|
|
Packit Service |
4684c1 |
case 6:
|
|
Packit Service |
4684c1 |
key_update_msg_inc = 0;
|
|
Packit Service |
4684c1 |
key_update_msg_out = 0;
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
success("%s: callbacks are called\n", name);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_handshake_set_hook_function(client, -1, GNUTLS_HOOK_PRE, hsk_callback);
|
|
Packit Service |
4684c1 |
gnutls_handshake_set_hook_function(server, -1, GNUTLS_HOOK_PRE, hsk_callback);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
do {
|
|
Packit Service |
4684c1 |
ret = gnutls_session_key_update(client, GNUTLS_KU_PEER);
|
|
Packit Service |
4684c1 |
} while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
|
|
Packit Service |
4684c1 |
if (ret < 0)
|
|
Packit Service |
4684c1 |
fail("error in key update: %s\n", gnutls_strerror(ret));
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
/* server receives the client key update and sends data */
|
|
Packit Service |
4684c1 |
TRANSFER(client, server, MSG, strlen(MSG), buffer, MAX_BUF);
|
|
Packit Service |
4684c1 |
TRANSFER(server, client, MSG, strlen(MSG), buffer, MAX_BUF);
|
|
Packit Service |
4684c1 |
EMPTY_BUF(server, client, buffer, MAX_BUF);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
assert(key_update_msg_inc == 2);
|
|
Packit Service |
4684c1 |
assert(key_update_msg_out == 2);
|
|
Packit Service |
4684c1 |
break;
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_bye(client, GNUTLS_SHUT_WR);
|
|
Packit Service |
4684c1 |
gnutls_bye(server, GNUTLS_SHUT_WR);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_deinit(client);
|
|
Packit Service |
4684c1 |
gnutls_deinit(server);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_certificate_free_credentials(scred);
|
|
Packit Service |
4684c1 |
gnutls_certificate_free_credentials(ccred);
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
gnutls_global_deinit();
|
|
Packit Service |
4684c1 |
reset_buffers();
|
|
Packit Service |
4684c1 |
}
|
|
Packit Service |
4684c1 |
|
|
Packit Service |
4684c1 |
void doit(void)
|
|
Packit Service |
4684c1 |
{
|
|
Packit Service |
4684c1 |
run("single", 1);
|
|
Packit Service |
4684c1 |
run("single", 2);
|
|
Packit Service |
4684c1 |
run("single", 3);
|
|
Packit Service |
4684c1 |
run("single", 4);
|
|
Packit Service |
4684c1 |
run("single", 5);
|
|
Packit Service |
4684c1 |
run("single", 6);
|
|
Packit Service |
4684c1 |
run("all", 0); /* all one after each other */
|
|
Packit Service |
4684c1 |
}
|