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/*
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* Copyright (C) 2008-2012 Free Software Foundation, Inc.
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*
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* Author: Simon Josefsson, 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 General Public License
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* along with GnuTLS; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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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 "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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static int handshake = 0;
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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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void doit(void)
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{
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/* Server stuff. */
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gnutls_anon_server_credentials_t s_anoncred;
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const gnutls_datum_t p3 =
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{ (unsigned char *) pkcs3, strlen(pkcs3) };
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static gnutls_dh_params_t dh_params;
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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_anon_client_credentials_t c_anoncred;
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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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ssize_t ns;
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int ret, transferred = 0, msglen;
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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(2);
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/* Init server */
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gnutls_anon_allocate_server_credentials(&s_anoncred);
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gnutls_dh_params_init(&dh_params);
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gnutls_dh_params_import_pkcs3(dh_params, &p3, GNUTLS_X509_FMT_PEM);
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gnutls_anon_set_server_dh_params(s_anoncred, dh_params);
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gnutls_init(&server, GNUTLS_SERVER);
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ret =
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gnutls_priority_set_direct(server,
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"NONE:+VERS-TLS-ALL:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-DH",
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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_ANON, s_anoncred);
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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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gnutls_anon_allocate_client_credentials(&c_anoncred);
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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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"NONE:+VERS-TLS-ALL:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-DH",
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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(client, GNUTLS_CRD_ANON, c_anoncred);
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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 = 1;
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HANDSHAKE(client, server);
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handshake = 0;
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if (debug)
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success("Handshake established\n");
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msglen = strlen(MSG);
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TRANSFER(client, server, MSG, msglen, buffer, MAX_BUF);
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if (debug)
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fputs("\n", stdout);
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gnutls_bye(client, GNUTLS_SHUT_WR);
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gnutls_bye(server, GNUTLS_SHUT_WR);
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gnutls_deinit(client);
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gnutls_deinit(server);
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gnutls_anon_free_client_credentials(c_anoncred);
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gnutls_anon_free_server_credentials(s_anoncred);
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gnutls_dh_params_deinit(dh_params);
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gnutls_global_deinit();
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}
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