tests/safe-renegotiation/srn5.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 /* Code based on srn0.c.
  24  *
  25  * This tests that clients with support for safe renegotiation is able
  26  * to handshake properly against a server with no support for safe
  27  * renegotiation, but that the client will not be able to complete a
  28  * rehandshake.
  29  */
  30
  31 #ifdef HAVE_CONFIG_H
  32 #include <config.h>
  33 #endif
  34
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include <errno.h>
  39 #include <gnutls/gnutls.h>
  40 #include "../eagain-common.h"
  41 #include "../utils.h"
  42
  43 static void
  44 tls_log_func (int level, const char *str)
  45 {
  46   fprintf (stderr, "|<%d>| %s", level, str);
  47 }
  48
  49 static unsigned char server_cert_pem[] =
  50   "-----BEGIN CERTIFICATE-----\n"
  51   "MIICVjCCAcGgAwIBAgIERiYdMTALBgkqhkiG9w0BAQUwGTEXMBUGA1UEAxMOR251\n"
  52   "VExTIHRlc3QgQ0EwHhcNMDcwNDE4MTMyOTIxWhcNMDgwNDE3MTMyOTIxWjA3MRsw\n"
  53   "GQYDVQQKExJHbnVUTFMgdGVzdCBzZXJ2ZXIxGDAWBgNVBAMTD3Rlc3QuZ251dGxz\n"
  54   "Lm9yZzCBnDALBgkqhkiG9w0BAQEDgYwAMIGIAoGA17pcr6MM8C6pJ1aqU46o63+B\n"
  55   "dUxrmL5K6rce+EvDasTaDQC46kwTHzYWk95y78akXrJutsoKiFV1kJbtple8DDt2\n"
  56   "DZcevensf9Op7PuFZKBroEjOd35znDET/z3IrqVgbtm2jFqab7a+n2q9p/CgMyf1\n"
  57   "tx2S5Zacc1LWn9bIjrECAwEAAaOBkzCBkDAMBgNVHRMBAf8EAjAAMBoGA1UdEQQT\n"
  58   "MBGCD3Rlc3QuZ251dGxzLm9yZzATBgNVHSUEDDAKBggrBgEFBQcDATAPBgNVHQ8B\n"
  59   "Af8EBQMDB6AAMB0GA1UdDgQWBBTrx0Vu5fglyoyNgw106YbU3VW0dTAfBgNVHSME\n"
  60   "GDAWgBTpPBz7rZJu5gakViyi4cBTJ8jylTALBgkqhkiG9w0BAQUDgYEAaFEPTt+7\n"
  61   "bzvBuOf7+QmeQcn29kT6Bsyh1RHJXf8KTk5QRfwp6ogbp94JQWcNQ/S7YDFHglD1\n"
  62   "AwUNBRXwd3riUsMnsxgeSDxYBfJYbDLeohNBsqaPDJb7XailWbMQKfAbFQ8cnOxg\n"
  63   "rOKLUQRWJ0K3HyXRMhbqjdLIaQiCvQLuizo=\n" "-----END CERTIFICATE-----\n";
  64
  65 const gnutls_datum_t server_cert = { server_cert_pem,
  66   sizeof (server_cert_pem)
  67 };
  68
  69 static unsigned char server_key_pem[] =
  70   "-----BEGIN RSA PRIVATE KEY-----\n"
  71   "MIICXAIBAAKBgQDXulyvowzwLqknVqpTjqjrf4F1TGuYvkrqtx74S8NqxNoNALjq\n"
  72   "TBMfNhaT3nLvxqResm62ygqIVXWQlu2mV7wMO3YNlx696ex/06ns+4VkoGugSM53\n"
  73   "fnOcMRP/PciupWBu2baMWppvtr6far2n8KAzJ/W3HZLllpxzUtaf1siOsQIDAQAB\n"
  74   "AoGAYAFyKkAYC/PYF8e7+X+tsVCHXppp8AoP8TEZuUqOZz/AArVlle/ROrypg5kl\n"
  75   "8YunrvUdzH9R/KZ7saNZlAPLjZyFG9beL/am6Ai7q7Ma5HMqjGU8kTEGwD7K+lbG\n"
  76   "iomokKMOl+kkbY/2sI5Czmbm+/PqLXOjtVc5RAsdbgvtmvkCQQDdV5QuU8jap8Hs\n"
  77   "Eodv/tLJ2z4+SKCV2k/7FXSKWe0vlrq0cl2qZfoTUYRnKRBcWxc9o92DxK44wgPi\n"
  78   "oMQS+O7fAkEA+YG+K9e60sj1K4NYbMPAbYILbZxORDecvP8lcphvwkOVUqbmxOGh\n"
  79   "XRmTZUuhBrJhJKKf6u7gf3KWlPl6ShKEbwJASC118cF6nurTjuLf7YKARDjNTEws\n"
  80   "qZEeQbdWYINAmCMj0RH2P0mvybrsXSOD5UoDAyO7aWuqkHGcCLv6FGG+qwJAOVqq\n"
  81   "tXdUucl6GjOKKw5geIvRRrQMhb/m5scb+5iw8A4LEEHPgGiBaF5NtJZLALgWfo5n\n"
  82   "hmC8+G8F0F78znQtPwJBANexu+Tg5KfOnzSILJMo3oXiXhf5PqXIDmbN0BKyCKAQ\n"
  83   "LfkcEcUbVfmDaHpvzwY9VEaoMOKVLitETXdNSxVpvWM=\n"
  84   "-----END RSA PRIVATE KEY-----\n";
  85
  86 const gnutls_datum_t server_key = { server_key_pem,
  87   sizeof (server_key_pem)
  88 };
  89
  90 void doit(void)
  91 {
  92   /* Server stuff. */
  93   gnutls_certificate_credentials_t serverx509cred;
  94   gnutls_session_t server;
  95   int sret = GNUTLS_E_AGAIN;
  96   /* Client stuff. */
  97   gnutls_certificate_credentials_t clientx509cred;
  98   gnutls_session_t client;
  99   int cret = GNUTLS_E_AGAIN;
 100
 101   /* General init. */
 102   gnutls_global_init ();
 103   gnutls_global_set_log_function (tls_log_func);
 104   if (debug) gnutls_global_set_log_level (2);
 105
 106   /* Init server */
 107   gnutls_certificate_allocate_credentials (&serverx509cred);
 108   gnutls_certificate_set_x509_key_mem (serverx509cred,
 109                                        &server_cert, &server_key,
 110                                        GNUTLS_X509_FMT_PEM);
 111   gnutls_init (&server, GNUTLS_SERVER);
 112   gnutls_credentials_set (server, GNUTLS_CRD_CERTIFICATE, serverx509cred);
 113   gnutls_priority_set_direct (server, "NORMAL:%DISABLE_SAFE_RENEGOTIATION",
 114                               NULL);
 115   gnutls_transport_set_push_function (server, server_push);
 116   gnutls_transport_set_pull_function (server, server_pull);
 117   gnutls_transport_set_ptr (server, (gnutls_transport_ptr_t)server);
 118
 119   /* Init client */
 120   gnutls_certificate_allocate_credentials (&clientx509cred);
 121   gnutls_init (&client, GNUTLS_CLIENT);
 122   gnutls_credentials_set (client, GNUTLS_CRD_CERTIFICATE, clientx509cred);
 123   gnutls_priority_set_direct (client, "NORMAL", NULL);
 124   gnutls_transport_set_push_function (client, client_push);
 125   gnutls_transport_set_pull_function (client, client_pull);
 126   gnutls_transport_set_ptr (client, (gnutls_transport_ptr_t)client);
 127
 128   HANDSHAKE(client, server);
 129
 130   if (gnutls_safe_renegotiation_status (client))
 131     {
 132       tls_log_func (0, "Client thinks it is using safe renegotiation!\n");
 133       exit(1);
 134     }
 135
 136   if (gnutls_safe_renegotiation_status (server))
 137     {
 138       tls_log_func (0, "Server thinks it is using safe renegotiation!\n");
 139       exit(1);
 140     }
 141
 142   sret = gnutls_rehandshake (server);
 143   if (debug)
 144     {
 145       tls_log_func (0, "gnutls_rehandshake (server)...\n");
 146       tls_log_func (0, gnutls_strerror (sret));
 147       tls_log_func (0, "\n");
 148     }
 149
 150   {
 151     ssize_t n;
 152     char b[1];
 153     n = gnutls_record_recv (client, b, 1);
 154     if (n != GNUTLS_E_REHANDSHAKE)
 155       abort ();
 156   }
 157
 158   HANDSHAKE_EXPECT(client, server, GNUTLS_E_UNSAFE_RENEGOTIATION_DENIED, GNUTLS_E_AGAIN);
 159
 160   if (gnutls_safe_renegotiation_status (client) ||
 161       gnutls_safe_renegotiation_status (server))
 162     {
 163       tls_log_func (0,
 164                     "Rehandshaked session not using safe renegotiation!\n");
 165       exit(1);
 166     }
 167
 168   gnutls_bye (client, GNUTLS_SHUT_RDWR);
 169   gnutls_bye (server, GNUTLS_SHUT_RDWR);
 170
 171   gnutls_deinit (client);
 172   gnutls_deinit (server);
 173
 174   gnutls_certificate_free_credentials (serverx509cred);
 175   gnutls_certificate_free_credentials (clientx509cred);
 176
 177   gnutls_global_deinit ();
 178
 179   if (debug)
 180     {
 181       puts ("Self-test successful");
 182     }
 183
 184   return;
 185 }