tests/srp/mini-srp.c

   1 /*
   2  * Copyright (C) 2012 Free Software Foundation, Inc.
   3  *
   4  * Author: Nikos Mavrogiannopoulos
   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
  30 #if defined(_WIN32)
  31
  32 int main()
  33 {
  34   exit(77);
  35 }
  36
  37 #else
  38
  39 #include <string.h>
  40 #include <sys/types.h>
  41 #include <netinet/in.h>
  42 #include <sys/socket.h>
  43 #include <sys/wait.h>
  44 #include <arpa/inet.h>
  45 #include <unistd.h>
  46 #include <gnutls/gnutls.h>
  47
  48 #include "utils.h"
  49
  50 static void terminate(void);
  51
  52 /* This program tests the SRP and SRP-RSA ciphersuites.
  53  */
  54
  55 static void
  56 server_log_func (int level, const char *str)
  57 {
  58   fprintf (stderr, "server|<%d>| %s", level, str);
  59 }
  60
  61 static void
  62 client_log_func (int level, const char *str)
  63 {
  64   fprintf (stderr, "client|<%d>| %s", level, str);
  65 }
  66
  67 static unsigned char server_cert_pem[] =
  68   "-----BEGIN CERTIFICATE-----\n"
  69   "MIICVjCCAcGgAwIBAgIERiYdMTALBgkqhkiG9w0BAQUwGTEXMBUGA1UEAxMOR251\n"
  70   "VExTIHRlc3QgQ0EwHhcNMDcwNDE4MTMyOTIxWhcNMDgwNDE3MTMyOTIxWjA3MRsw\n"
  71   "GQYDVQQKExJHbnVUTFMgdGVzdCBzZXJ2ZXIxGDAWBgNVBAMTD3Rlc3QuZ251dGxz\n"
  72   "Lm9yZzCBnDALBgkqhkiG9w0BAQEDgYwAMIGIAoGA17pcr6MM8C6pJ1aqU46o63+B\n"
  73   "dUxrmL5K6rce+EvDasTaDQC46kwTHzYWk95y78akXrJutsoKiFV1kJbtple8DDt2\n"
  74   "DZcevensf9Op7PuFZKBroEjOd35znDET/z3IrqVgbtm2jFqab7a+n2q9p/CgMyf1\n"
  75   "tx2S5Zacc1LWn9bIjrECAwEAAaOBkzCBkDAMBgNVHRMBAf8EAjAAMBoGA1UdEQQT\n"
  76   "MBGCD3Rlc3QuZ251dGxzLm9yZzATBgNVHSUEDDAKBggrBgEFBQcDATAPBgNVHQ8B\n"
  77   "Af8EBQMDB6AAMB0GA1UdDgQWBBTrx0Vu5fglyoyNgw106YbU3VW0dTAfBgNVHSME\n"
  78   "GDAWgBTpPBz7rZJu5gakViyi4cBTJ8jylTALBgkqhkiG9w0BAQUDgYEAaFEPTt+7\n"
  79   "bzvBuOf7+QmeQcn29kT6Bsyh1RHJXf8KTk5QRfwp6ogbp94JQWcNQ/S7YDFHglD1\n"
  80   "AwUNBRXwd3riUsMnsxgeSDxYBfJYbDLeohNBsqaPDJb7XailWbMQKfAbFQ8cnOxg\n"
  81   "rOKLUQRWJ0K3HyXRMhbqjdLIaQiCvQLuizo=\n" "-----END CERTIFICATE-----\n";
  82
  83 const gnutls_datum_t server_cert = { server_cert_pem,
  84   sizeof (server_cert_pem)
  85 };
  86
  87 static unsigned char server_key_pem[] =
  88   "-----BEGIN RSA PRIVATE KEY-----\n"
  89   "MIICXAIBAAKBgQDXulyvowzwLqknVqpTjqjrf4F1TGuYvkrqtx74S8NqxNoNALjq\n"
  90   "TBMfNhaT3nLvxqResm62ygqIVXWQlu2mV7wMO3YNlx696ex/06ns+4VkoGugSM53\n"
  91   "fnOcMRP/PciupWBu2baMWppvtr6far2n8KAzJ/W3HZLllpxzUtaf1siOsQIDAQAB\n"
  92   "AoGAYAFyKkAYC/PYF8e7+X+tsVCHXppp8AoP8TEZuUqOZz/AArVlle/ROrypg5kl\n"
  93   "8YunrvUdzH9R/KZ7saNZlAPLjZyFG9beL/am6Ai7q7Ma5HMqjGU8kTEGwD7K+lbG\n"
  94   "iomokKMOl+kkbY/2sI5Czmbm+/PqLXOjtVc5RAsdbgvtmvkCQQDdV5QuU8jap8Hs\n"
  95   "Eodv/tLJ2z4+SKCV2k/7FXSKWe0vlrq0cl2qZfoTUYRnKRBcWxc9o92DxK44wgPi\n"
  96   "oMQS+O7fAkEA+YG+K9e60sj1K4NYbMPAbYILbZxORDecvP8lcphvwkOVUqbmxOGh\n"
  97   "XRmTZUuhBrJhJKKf6u7gf3KWlPl6ShKEbwJASC118cF6nurTjuLf7YKARDjNTEws\n"
  98   "qZEeQbdWYINAmCMj0RH2P0mvybrsXSOD5UoDAyO7aWuqkHGcCLv6FGG+qwJAOVqq\n"
  99   "tXdUucl6GjOKKw5geIvRRrQMhb/m5scb+5iw8A4LEEHPgGiBaF5NtJZLALgWfo5n\n"
 100   "hmC8+G8F0F78znQtPwJBANexu+Tg5KfOnzSILJMo3oXiXhf5PqXIDmbN0BKyCKAQ\n"
 101   "LfkcEcUbVfmDaHpvzwY9VEaoMOKVLitETXdNSxVpvWM=\n"
 102   "-----END RSA PRIVATE KEY-----\n";
 103
 104 const gnutls_datum_t server_key = { server_key_pem,
 105   sizeof (server_key_pem)
 106 };
 107
 108
 109 static void
 110 client (int fd, const char* prio)
 111 {
 112   int ret;
 113   gnutls_session_t session;
 114   gnutls_srp_client_credentials_t srp_cred;
 115   gnutls_certificate_credentials_t x509_cred;
 116   /* Need to enable anonymous KX specifically. */
 117
 118   gnutls_global_init ();
 119
 120   if (debug)
 121     {
 122       gnutls_global_set_log_function (client_log_func);
 123       gnutls_global_set_log_level (4711);
 124     }
 125
 126   gnutls_srp_allocate_client_credentials (&srp_cred);
 127   gnutls_certificate_allocate_credentials (&x509_cred);
 128
 129   gnutls_srp_set_client_credentials (srp_cred, "test", "test");
 130
 131   /* Initialize TLS session
 132    */
 133   gnutls_init (&session, GNUTLS_CLIENT);
 134
 135   /* Use default priorities */
 136   gnutls_priority_set_direct (session, prio, NULL);
 137
 138   /* put the anonymous credentials to the current session
 139    */
 140   gnutls_credentials_set (session, GNUTLS_CRD_SRP, srp_cred);
 141   gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, x509_cred);
 142
 143   gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) fd);
 144
 145   /* Perform the TLS handshake
 146    */
 147   do
 148     {
 149       ret = gnutls_handshake (session);
 150     }
 151   while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
 152
 153   if (ret < 0)
 154     {
 155       fail ("client: Handshake failed\n");
 156       gnutls_perror (ret);
 157       exit(1);
 158     }
 159   else
 160     {
 161       if (debug)
 162         success ("client: Handshake was completed\n");
 163     }
 164
 165   if (debug)
 166     success ("client: TLS version is: %s\n",
 167              gnutls_protocol_get_name (gnutls_protocol_get_version
 168                                        (session)));
 169
 170   gnutls_bye (session, GNUTLS_SHUT_WR);
 171
 172   close (fd);
 173
 174   gnutls_deinit (session);
 175
 176   gnutls_srp_free_client_credentials (srp_cred);
 177   gnutls_certificate_free_credentials (x509_cred);
 178
 179   gnutls_global_deinit ();
 180 }
 181
 182
 183 /* These are global */
 184 gnutls_srp_server_credentials_t s_srp_cred;
 185 gnutls_certificate_credentials_t s_x509_cred;
 186 pid_t child;
 187
 188 static gnutls_session_t
 189 initialize_tls_session (const char* prio)
 190 {
 191   gnutls_session_t session;
 192
 193   gnutls_init (&session, GNUTLS_SERVER);
 194
 195   /* avoid calling all the priority functions, since the defaults
 196    * are adequate.
 197    */
 198   gnutls_priority_set_direct (session, prio, NULL);
 199
 200   gnutls_credentials_set (session, GNUTLS_CRD_SRP, s_srp_cred);
 201   gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, s_x509_cred);
 202
 203   return session;
 204 }
 205
 206 static void terminate(void)
 207 {
 208 int status;
 209
 210   kill(child, SIGTERM);
 211   wait(&status);
 212   exit(1);
 213 }
 214
 215 static void
 216 server (int fd, const char* prio)
 217 {
 218 int ret;
 219 gnutls_session_t session;
 220
 221   /* this must be called once in the program
 222    */
 223   gnutls_global_init ();
 224
 225   if (debug)
 226     {
 227       gnutls_global_set_log_function (server_log_func);
 228       gnutls_global_set_log_level (4711);
 229     }
 230
 231   gnutls_srp_allocate_server_credentials (&s_srp_cred);
 232   gnutls_srp_set_server_credentials_file (s_srp_cred, "tpasswd",
 233                                           "tpasswd.conf");
 234
 235   gnutls_certificate_allocate_credentials (&s_x509_cred);
 236   gnutls_certificate_set_x509_key_mem (s_x509_cred,
 237                                        &server_cert, &server_key,
 238                                        GNUTLS_X509_FMT_PEM);
 239
 240   session = initialize_tls_session (prio);
 241
 242   gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) fd);
 243
 244   do
 245     {
 246       ret = gnutls_handshake (session);
 247     }
 248   while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
 249   if (ret < 0)
 250     {
 251       close (fd);
 252       gnutls_deinit (session);
 253       fail ("server: Handshake has failed (%s)\n\n", gnutls_strerror (ret));
 254       terminate();
 255     }
 256   if (debug)
 257     success ("server: Handshake was completed\n");
 258
 259   if (debug)
 260     success ("server: TLS version is: %s\n",
 261              gnutls_protocol_get_name (gnutls_protocol_get_version
 262                                        (session)));
 263
 264   /* do not wait for the peer to close the connection.
 265    */
 266   gnutls_bye (session, GNUTLS_SHUT_WR);
 267
 268   close (fd);
 269   gnutls_deinit (session);
 270
 271   gnutls_srp_free_server_credentials (s_srp_cred);
 272   gnutls_certificate_free_credentials (s_x509_cred);
 273
 274   gnutls_global_deinit ();
 275
 276   if (debug)
 277     success ("server: finished\n");
 278 }
 279
 280 static void start (const char* prio)
 281 {
 282   int fd[2];
 283   int ret;
 284
 285   ret = socketpair(AF_LOCAL, SOCK_STREAM, 0, fd);
 286   if (ret < 0)
 287     {
 288       perror("socketpair");
 289       exit(1);
 290     }
 291
 292   child = fork ();
 293   if (child < 0)
 294     {
 295       perror ("fork");
 296       fail ("fork");
 297       exit(1);
 298     }
 299
 300   if (child)
 301     {
 302       int status;
 303       /* parent */
 304       server (fd[0], prio);
 305       wait (&status);
 306       if (WEXITSTATUS(status) != 0)
 307         fail("Child died with status %d\n", WEXITSTATUS(status));
 308     }
 309   else
 310     {
 311       client (fd[1], prio);
 312       exit(0);
 313     }
 314 }
 315
 316 const char* tpasswd_file = "test:CsrY0PxYlYCAa8UuWUrcjpqBvG6ImlAdGwEUh3tN2DSDBbMWTvnUl7A8Hw7l0zFHwyLH5rh0llrmu/v.Df2FjDEGy0s0rYR5ARE2XlXPl66xhevHj5vitD0Qvq/J0x1v0zMWJSgq/Ah2MoOrw9aBEsQUgf9MddiHQKjE3Vetoq3:3h3cfS0WrBgPUsldDASSK0:1\n"
 317   "test2:1J14yVX4iBa97cySs2/SduwnSbHxiz7WieE761psJQDxkc5flpumEwXbAgK5PrSZ0aZ6q7zyrAN1apJR1QQPAdyScJ6Jw4zjDP7AnezUVGbUNMJXhsI0NPwSc0c/415XfrnM1139yjWCr1qkcYMoN4bALppMMLB8glJkxy7t.3cmH9MkRRAjXXdUgAvHw2ZFLmB/8TlZDhnDS78xCSgLQs.oubZEEIgOWl7BT2.aW76fW3yKWdVrrHQDYPtR4hKx:11rUG9wSMLHe2Cu2p7dmFY:2\n"
 318   "test3:LVJZDDuElMHuRt5/fcx64AhJ4erhFvbIhv/XCtD0tJI3OC6yEBzthZ1FSqblri9qtsvboPApbFHwP9WEluGtCOuzOON4LS8sSeQDBO.PaqjTnsmXKPYMKa.SuLXFuRTtdiFRwX2ZRy3GIWoCvxJtPDWCEYGBWfnjjGEYmQWvo534JVtVDyMaFItYlMTOtBSgsg488oJ5hIAU6jVyIQZGPVv8OHsPCpEt2UlTixzI9nAgQ0WL5ShKaAq0dksF/AY7UMKm0oHbtZeqAx6YcBzLbBhNvcEqYzH95ONpr.cUh91iRhVzdVscsFweSCtWsQrVT4zmSRwdsljeFQPqFbdeK:iWkELSVg3JxmyEq.XbjAW:3\n";
 319
 320 const char* tpasswd_conf_file = "1:Ewl2hcjiutMd3Fu2lgFnUXWSc67TVyy2vwYCKoS9MLsrdJVT9RgWTCuEqWJrfB6uE3LsE9GkOlaZabS7M29sj5TnzUqOLJMjiwEzArfiLr9WbMRANlF68N5AVLcPWvNx6Zjl3m5Scp0BzJBz9TkgfhzKJZ.WtP3Mv/67I/0wmRZ:2\n"
 321   "2:dUyyhxav9tgnyIg65wHxkzkb7VIPh4o0lkwfOKiPp4rVJrzLRYVBtb76gKlaO7ef5LYGEw3G.4E0jbMxcYBetDy2YdpiP/3GWJInoBbvYHIRO9uBuxgsFKTKWu7RnR7yTau/IrFTdQ4LY/q.AvoCzMxV0PKvD9Odso/LFIItn8PbTov3VMn/ZEH2SqhtpBUkWtmcIkEflhX/YY/fkBKfBbe27/zUaKUUZEUYZ2H2nlCL60.JIPeZJSzsu/xHDVcx:2\n"
 322   "3:2iQzj1CagQc/5ctbuJYLWlhtAsPHc7xWVyCPAKFRLWKADpASkqe9djWPFWTNTdeJtL8nAhImCn3Sr/IAdQ1FrGw0WvQUstPx3FO9KNcXOwisOQ1VlL.gheAHYfbYyBaxXL.NcJx9TUwgWDT0hRzFzqSrdGGTN3FgSTA1v4QnHtEygNj3eZ.u0MThqWUaDiP87nqha7XnT66bkTCkQ8.7T8L4KZjIImrNrUftedTTBi.WCi.zlrBxDuOM0da0JbUkQlXqvp0yvJAPpC11nxmmZOAbQOywZGmu9nhZNuwTlxjfIro0FOdthaDTuZRL9VL7MRPUDo/DQEyW.d4H.UIlzp:2\n";
 323
 324 void
 325 doit (void)
 326 {
 327 FILE * fd;
 328
 329   fd = fopen("tpasswd.conf", "w");
 330   if (fd == NULL)
 331     exit(1);
 332
 333   fwrite(tpasswd_conf_file, 1, strlen(tpasswd_conf_file), fd);
 334   fclose(fd);
 335
 336   fd = fopen("tpasswd", "w");
 337   if (fd == NULL)
 338     exit(1);
 339
 340   fwrite(tpasswd_file, 1, strlen(tpasswd_file), fd);
 341   fclose(fd);
 342
 343   start("NORMAL:-KX-ALL:+SRP");
 344   start("NORMAL:-KX-ALL:+SRP-RSA");
 345
 346   remove("tpasswd");
 347   remove("tpasswd.conf");
 348 }
 349
 350 #endif /* _WIN32 */