tests/mini.c

   1 /*
   2  * Copyright (C) 2008, 2010 Free Software Foundation, Inc.
   3  *
   4  * Author: Simon Josefsson
   5  *
   6  * This file is part of GnuTLS.
   7  *
   8  * GnuTLS is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 3 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * GnuTLS is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with GnuTLS; if not, write to the Free Software Foundation,
  20  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include <config.h>
  25 #endif
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30 #include <errno.h>
  31 #include <gnutls/gnutls.h>
  32 #include "eagain-common.h"
  33
  34 #include "utils.h"
  35
  36 static void
  37 tls_log_func (int level, const char *str)
  38 {
  39   fprintf (stderr, "|<%d>| %s", level, str);
  40 }
  41
  42 #define MAX_BUF 1024
  43 #define MSG "Hello TLS"
  44
  45 void
  46 doit (void)
  47 {
  48   /* Server stuff. */
  49   gnutls_anon_server_credentials_t s_anoncred;
  50   const gnutls_datum_t p3 = { (char *) pkcs3, strlen (pkcs3) };
  51   static gnutls_dh_params_t dh_params;
  52   gnutls_session_t server;
  53   int sret = GNUTLS_E_AGAIN;
  54   /* Client stuff. */
  55   gnutls_anon_client_credentials_t c_anoncred;
  56   gnutls_session_t client;
  57   int cret = GNUTLS_E_AGAIN;
  58   /* Need to enable anonymous KX specifically. */
  59   char buffer[MAX_BUF + 1];
  60   ssize_t ns;
  61   int ret, transferred = 0, msglen;
  62
  63   /* General init. */
  64   gnutls_global_init ();
  65   gnutls_global_set_log_function (tls_log_func);
  66   if (debug)
  67     gnutls_global_set_log_level (4711);
  68
  69   /* Init server */
  70   gnutls_anon_allocate_server_credentials (&s_anoncred);
  71   gnutls_dh_params_init (&dh_params);
  72   gnutls_dh_params_import_pkcs3 (dh_params, &p3, GNUTLS_X509_FMT_PEM);
  73   gnutls_anon_set_server_dh_params (s_anoncred, dh_params);
  74   gnutls_init (&server, GNUTLS_SERVER);
  75   gnutls_priority_set_direct (server, "NONE:+VERS-TLS-ALL:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-DH", NULL);
  76   gnutls_credentials_set (server, GNUTLS_CRD_ANON, s_anoncred);
  77   gnutls_dh_set_prime_bits (server, 1024);
  78   gnutls_transport_set_push_function (server, server_push);
  79   gnutls_transport_set_pull_function (server, server_pull);
  80   gnutls_transport_set_ptr (server, (gnutls_transport_ptr_t)server);
  81
  82   /* Init client */
  83   gnutls_anon_allocate_client_credentials (&c_anoncred);
  84   gnutls_init (&client, GNUTLS_CLIENT);
  85   gnutls_priority_set_direct (client, "NONE:+VERS-TLS-ALL:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+ANON-DH", NULL);
  86   gnutls_credentials_set (client, GNUTLS_CRD_ANON, c_anoncred);
  87   gnutls_transport_set_push_function (client, client_push);
  88   gnutls_transport_set_pull_function (client, client_pull);
  89   gnutls_transport_set_ptr (client, (gnutls_transport_ptr_t)client);
  90
  91   HANDSHAKE(client, server);
  92
  93   if (debug)
  94     success ("Handshake established\n");
  95
  96   msglen = strlen(MSG);
  97   TRANSFER(client, server, MSG, msglen, buffer, MAX_BUF);
  98   if (debug)
  99     fputs ("\n", stdout);
 100
 101   gnutls_bye (client, GNUTLS_SHUT_RDWR);
 102   gnutls_bye (server, GNUTLS_SHUT_RDWR);
 103
 104   gnutls_deinit (client);
 105   gnutls_deinit (server);
 106
 107   gnutls_anon_free_client_credentials (c_anoncred);
 108   gnutls_anon_free_server_credentials (s_anoncred);
 109
 110   gnutls_dh_params_deinit (dh_params);
 111
 112   gnutls_global_deinit ();
 113 }