src/gns/test_gns_simple_shorten.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2009 Christian Grothoff (and other contributing authors)
   4
   5      GNUnet is free software; you can redistribute it and/or modify
   6      it under the terms of the GNU General Public License as published
   7      by the Free Software Foundation; either version 3, or (at your
   8      option) any later version.
   9
  10      GNUnet is distributed in the hope that it will be useful, but
  11      WITHOUT ANY WARRANTY; without even the implied warranty of
  12      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13      General Public License for more details.
  14
  15      You should have received a copy of the GNU General Public License
  16      along with GNUnet; see the file COPYING.  If not, write to the
  17      Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18      Boston, MA 02111-1307, USA.
  19 */
  20 /**
  21  * @file gns/test_gns_simple_shorten.c
  22  * @brief basic shorten test for gns api
  23  *
  24  */
  25 #include "platform.h"
  26 #include "gnunet_testing_lib.h"
  27 #include "gnunet_core_service.h"
  28 #include "block_dns.h"
  29 #include "gnunet_signatures.h"
  30 #include "gnunet_namestore_service.h"
  31 #include "../namestore/namestore.h"
  32 #include "gnunet_dnsparser_lib.h"
  33 #include "gnunet_gns_service.h"
  34
  35 /* DEFINES */
  36 #define VERBOSE GNUNET_YES
  37
  38 /* Timeout for entire testcase */
  39 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 20)
  40
  41 /* If number of peers not in config file, use this number */
  42 #define DEFAULT_NUM_PEERS 2
  43
  44 /* test records to resolve */
  45 #define TEST_DOMAIN "www.alice.bob.gnunet"
  46 #define TEST_IP "127.0.0.1"
  47 #define TEST_RECORD_NAME "www"
  48
  49 #define TEST_AUTHORITY_BOB "bob"
  50 #define TEST_AUTHORITY_ALICE "alice"
  51 #define TEST_ALICE_PSEU "carol"
  52 #define TEST_EXPECTED_RESULT "www.carol.gnunet"
  53
  54 #define KEYFILE_BOB "../namestore/zonefiles/HGU0A0VCU334DN7F2I9UIUMVQMM7JMSD142LIMNUGTTV9R0CF4EG.zkey"
  55 #define KEYFILE_ALICE "../namestore/zonefiles/N0UJMP015AFUNR2BTNM3FKPBLG38913BL8IDMCO2H0A1LIB81960.zkey"
  56
  57 /* Globals */
  58
  59 /**
  60  * Directory to store temp data in, defined in config file
  61  */
  62 static char *test_directory;
  63
  64 static struct GNUNET_TESTING_PeerGroup *pg;
  65
  66 /* Task handle to use to schedule test failure */
  67 GNUNET_SCHEDULER_TaskIdentifier die_task;
  68
  69 /* Global return value (0 for success, anything else for failure) */
  70 static int ok;
  71
  72 static struct GNUNET_NAMESTORE_Handle *namestore_handle;
  73
  74 static struct GNUNET_GNS_Handle *gns_handle;
  75
  76 const struct GNUNET_CONFIGURATION_Handle *cfg;
  77
  78 /**
  79  * Check whether peers successfully shut down.
  80  */
  81 static void
  82 shutdown_callback (void *cls, const char *emsg)
  83 {
  84   if (emsg != NULL)
  85   {
  86     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error on shutdown! ret=%d\n", ok);
  87     if (ok == 0)
  88       ok = 2;
  89   }
  90
  91   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "done(ret=%d)!\n", ok);
  92 }
  93
  94 /**
  95  * Called when gns shorten finishes
  96  */
  97 static void
  98 process_shorten_result(void* cls, const char* sname)
  99 {
 100   GNUNET_GNS_disconnect(gns_handle);
 101
 102   ok = 0;
 103
 104   if (sname == NULL)
 105   {
 106     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 107                 "shorten test failed!\n");
 108     ok = 1;
 109   }
 110   else
 111   {
 112     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 113                 "%s shortened to %s\n", (char*)cls, sname);
 114     if (0 != strcmp(sname, TEST_EXPECTED_RESULT))
 115     {
 116       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 117                   "shorten test failed! (wanted: %s got: %s\n",
 118                   (char*)cls, sname);
 119       ok = 1;
 120     }
 121
 122     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "shorten test succeeded!\n");
 123
 124   }
 125
 126   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer1!\n");
 127   GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
 128 }
 129
 130 /**
 131  * Function scheduled to be run on the successful start of services
 132  * tries to shorten the name TEST_DOMAIN using gns
 133  */
 134 static void
 135 commence_testing (void *cls, int32_t success, const char *emsg)
 136 {
 137
 138
 139
 140   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 141               "disconnecting from namestore\n");
 142   GNUNET_NAMESTORE_disconnect(namestore_handle, GNUNET_YES);
 143
 144   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 145               "connecting to gns\n");
 146   gns_handle = GNUNET_GNS_connect(cfg);
 147
 148   if (NULL == gns_handle)
 149   {
 150     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 151                 "failed to connect to gns\n");
 152     ok = 1;
 153     return;
 154   }
 155
 156   GNUNET_GNS_shorten(gns_handle, TEST_DOMAIN, &process_shorten_result,
 157                      TEST_DOMAIN);
 158
 159 }
 160
 161 /**
 162  * Continuation for the GNUNET_DHT_get_stop call, so that we don't shut
 163  * down the peers without freeing memory associated with GET request.
 164  */
 165 static void
 166 end_badly_cont (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 167 {
 168
 169   if (pg != NULL)
 170     GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
 171   GNUNET_SCHEDULER_cancel (die_task);
 172 }
 173
 174 /**
 175  * Check if the get_handle is being used, if so stop the request.  Either
 176  * way, schedule the end_badly_cont function which actually shuts down the
 177  * test.
 178  */
 179 static void
 180 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 181 {
 182   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failing test with error: `%s'!\n",
 183               (char *) cls);
 184   GNUNET_SCHEDULER_add_now (&end_badly_cont, NULL);
 185   ok = 1;
 186 }
 187
 188 static void
 189 do_shorten(void *cls, const struct GNUNET_PeerIdentity *id,
 190           const struct GNUNET_CONFIGURATION_Handle *_cfg,
 191           struct GNUNET_TESTING_Daemon *d, const char *emsg)
 192 {
 193   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded our_pkey;
 194   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
 195   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded bob_pkey;
 196   struct GNUNET_CRYPTO_RsaPrivateKey *our_key;
 197   struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
 198   struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
 199   struct GNUNET_CRYPTO_ShortHashCode bob_hash;
 200   struct GNUNET_CRYPTO_ShortHashCode alice_hash;
 201   struct GNUNET_CRYPTO_RsaSignature *sig;
 202   char* our_keyfile;
 203
 204   cfg = _cfg;
 205
 206   GNUNET_SCHEDULER_cancel (die_task);
 207
 208   /* put records into namestore */
 209   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 210   if (NULL == namestore_handle)
 211   {
 212     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 213     ok = -1;
 214     return;
 215   }
 216
 217   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 218                                                           "ZONEKEY",
 219                                                           &our_keyfile))
 220   {
 221     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 222     ok = -1;
 223     return;
 224   }
 225
 226   our_key = GNUNET_CRYPTO_rsa_key_create_from_file (our_keyfile);
 227   GNUNET_free(our_keyfile);
 228
 229   bob_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_BOB);
 230   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_ALICE);
 231
 232   GNUNET_CRYPTO_rsa_key_get_public (our_key, &our_pkey);
 233   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 234   GNUNET_CRYPTO_rsa_key_get_public (bob_key, &bob_pkey);
 235
 236   struct GNUNET_NAMESTORE_RecordData rd;
 237   char* ip = TEST_IP;
 238   struct in_addr *web = GNUNET_malloc(sizeof(struct in_addr));
 239   rd.expiration_time = UINT64_MAX;
 240   GNUNET_assert(1 == inet_pton (AF_INET, ip, web));
 241
 242   GNUNET_CRYPTO_short_hash(&bob_pkey, sizeof(bob_pkey), &bob_hash);
 243
 244   rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
 245   rd.data = &bob_hash;
 246   rd.record_type = GNUNET_GNS_RECORD_PKEY;
 247
 248   /* put bob into our zone */
 249   GNUNET_NAMESTORE_record_create (namestore_handle,
 250                                   our_key,
 251                                   TEST_AUTHORITY_BOB,
 252                                   &rd,
 253                                   NULL,
 254                                   NULL);
 255
 256   /* put alice into bobs zone */
 257   GNUNET_CRYPTO_short_hash(&alice_pkey, sizeof(alice_pkey), &alice_hash);
 258   rd.data = &alice_hash;
 259   sig = GNUNET_NAMESTORE_create_signature(bob_key,
 260                                           GNUNET_TIME_UNIT_FOREVER_ABS,
 261                                           TEST_AUTHORITY_ALICE,
 262                                           &rd, 1);
 263
 264   GNUNET_NAMESTORE_record_put (namestore_handle,
 265                                &bob_pkey,
 266                                TEST_AUTHORITY_ALICE,
 267                                GNUNET_TIME_UNIT_FOREVER_ABS,
 268                                1,
 269                                &rd,
 270                                sig,
 271                                NULL,
 272                                NULL);
 273   GNUNET_free(sig);
 274   /* put www A record and PSEU into alice's zone */
 275
 276   rd.data_size = sizeof(struct in_addr);
 277   rd.data = web;
 278   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 279   sig = GNUNET_NAMESTORE_create_signature(alice_key,
 280                                           GNUNET_TIME_UNIT_FOREVER_ABS,
 281                                           TEST_RECORD_NAME,
 282                                           &rd, 1);
 283
 284   GNUNET_NAMESTORE_record_put (namestore_handle,
 285                                &alice_pkey,
 286                                TEST_RECORD_NAME,
 287                                GNUNET_TIME_UNIT_FOREVER_ABS,
 288                                1,
 289                                &rd,
 290                                sig,
 291                                NULL,
 292                                NULL);
 293
 294   rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
 295   rd.data = &alice_hash;
 296   rd.record_type = GNUNET_GNS_RECORD_PKEY;
 297   GNUNET_free(sig);
 298
 299   GNUNET_NAMESTORE_record_create (namestore_handle,
 300                                our_key,
 301                                TEST_ALICE_PSEU,
 302                                &rd,
 303                                &commence_testing,
 304                                NULL);
 305
 306   GNUNET_free(web);
 307   GNUNET_CRYPTO_rsa_key_free(our_key);
 308   GNUNET_CRYPTO_rsa_key_free(bob_key);
 309   GNUNET_CRYPTO_rsa_key_free(alice_key);
 310 }
 311
 312 static void
 313 run (void *cls, char *const *args, const char *cfgfile,
 314      const struct GNUNET_CONFIGURATION_Handle *c)
 315 {
 316   cfg = c;
 317    /* Get path from configuration file */
 318   if (GNUNET_YES !=
 319       GNUNET_CONFIGURATION_get_value_string (cfg, "paths", "servicehome",
 320                                              &test_directory))
 321   {
 322     ok = 404;
 323     return;
 324   }
 325
 326
 327   /* Set up a task to end testing if peer start fails */
 328   die_task =
 329       GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly,
 330                                     "didn't start all daemons in reasonable amount of time!!!");
 331
 332   /* Start alice */
 333   pg = GNUNET_TESTING_daemons_start(cfg, 1, 1, 1, TIMEOUT,
 334                                     NULL, NULL, &do_shorten, NULL,
 335                                     NULL, NULL, NULL);
 336 }
 337
 338 static int
 339 check ()
 340 {
 341   int ret;
 342
 343   /* Arguments for GNUNET_PROGRAM_run */
 344   char *const argv[] = { "test-gns-simple-shorten", /* Name to give running binary */
 345     "-c",
 346     "test_gns_simple_lookup.conf",       /* Config file to use */
 347 #if VERBOSE
 348     "-L", "DEBUG",
 349 #endif
 350     NULL
 351   };
 352   struct GNUNET_GETOPT_CommandLineOption options[] = {
 353     GNUNET_GETOPT_OPTION_END
 354   };
 355   /* Run the run function as a new program */
 356   ret =
 357       GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
 358                           "test-gns-simple-shorten", "nohelp", options, &run,
 359                           &ok);
 360   if (ret != GNUNET_OK)
 361   {
 362     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
 363                 "`test-gns-simple-shorten': Failed with error code %d\n", ret);
 364   }
 365   return ok;
 366 }
 367
 368 int
 369 main (int argc, char *argv[])
 370 {
 371   int ret;
 372
 373   GNUNET_log_setup ("test-gns-simple-shorten",
 374 #if VERBOSE
 375                     "DEBUG",
 376 #else
 377                     "WARNING",
 378 #endif
 379                     NULL);
 380   ret = check ();
 381   /**
 382    * Need to remove base directory, subdirectories taken care
 383    * of by the testing framework.
 384    */
 385   return ret;
 386 }
 387
 388 /* end of test_gns_twopeer.c */