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 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded priv_pkey;
  79 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded short_pkey;
  80 struct GNUNET_CRYPTO_RsaPrivateKey *priv_key;
  81 struct GNUNET_CRYPTO_RsaPrivateKey *short_key;
  82
  83 struct GNUNET_CRYPTO_ShortHashCode priv_zone;
  84 struct GNUNET_CRYPTO_ShortHashCode short_zone;
  85
  86 /**
  87  * Check whether peers successfully shut down.
  88  */
  89 static void
  90 shutdown_callback (void *cls, const char *emsg)
  91 {
  92   if (emsg != NULL)
  93   {
  94     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error on shutdown! ret=%d\n", ok);
  95     if (ok == 0)
  96       ok = 2;
  97   }
  98
  99   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "done(ret=%d)!\n", ok);
 100 }
 101
 102 /**
 103  * Called when gns shorten finishes
 104  */
 105 static void
 106 process_shorten_result(void* cls, const char* sname)
 107 {
 108   GNUNET_GNS_disconnect(gns_handle);
 109
 110
 111   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 112               "disconnecting from namestore\n");
 113   GNUNET_NAMESTORE_disconnect (namestore_handle);
 114   ok = 0;
 115
 116   if (sname == NULL)
 117   {
 118     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 119                 "shorten test failed!\n");
 120     ok = 1;
 121   }
 122   else
 123   {
 124     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 125                 "%s shortened to %s\n", (char*)cls, sname);
 126     if (0 != strcmp(sname, TEST_EXPECTED_RESULT))
 127     {
 128       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 129                   "shorten test failed! (wanted: %s got: %s\n",
 130                   (char*)cls, sname);
 131       ok = 1;
 132     }
 133
 134     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "shorten test succeeded!\n");
 135
 136   }
 137
 138   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer1!\n");
 139   GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
 140 }
 141
 142 /**
 143  * Function scheduled to be run on the successful start of services
 144  * tries to shorten the name TEST_DOMAIN using gns
 145  */
 146 static void
 147 commence_testing (void *cls, int32_t success, const char *emsg)
 148 {
 149
 150
 151
 152   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 153               "connecting to gns\n");
 154   gns_handle = GNUNET_GNS_connect(cfg);
 155
 156   if (NULL == gns_handle)
 157   {
 158     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 159                 "failed to connect to gns\n");
 160     ok = 1;
 161     return;
 162   }
 163
 164   GNUNET_GNS_shorten(gns_handle, TEST_DOMAIN,
 165                      &priv_zone,
 166                      &short_zone,
 167                      &process_shorten_result,
 168                      TEST_DOMAIN);
 169
 170 }
 171
 172 /**
 173  * Continuation for the GNUNET_DHT_get_stop call, so that we don't shut
 174  * down the peers without freeing memory associated with GET request.
 175  */
 176 static void
 177 end_badly_cont (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 178 {
 179
 180   if (pg != NULL)
 181     GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
 182   GNUNET_SCHEDULER_cancel (die_task);
 183 }
 184
 185 /**
 186  * Check if the get_handle is being used, if so stop the request.  Either
 187  * way, schedule the end_badly_cont function which actually shuts down the
 188  * test.
 189  */
 190 static void
 191 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 192 {
 193   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failing test with error: `%s'!\n",
 194               (char *) cls);
 195   GNUNET_SCHEDULER_add_now (&end_badly_cont, NULL);
 196   ok = 1;
 197 }
 198
 199 static void
 200 do_shorten(void *cls, const struct GNUNET_PeerIdentity *id,
 201           const struct GNUNET_CONFIGURATION_Handle *_cfg,
 202           struct GNUNET_TESTING_Daemon *d, const char *emsg)
 203 {
 204   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded our_pkey;
 205   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
 206   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded bob_pkey;
 207   struct GNUNET_CRYPTO_RsaPrivateKey *our_key;
 208   struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
 209   struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
 210   struct GNUNET_CRYPTO_ShortHashCode bob_hash;
 211   struct GNUNET_CRYPTO_ShortHashCode alice_hash;
 212   struct GNUNET_CRYPTO_RsaSignature *sig;
 213   char* our_keyfile;
 214   char* private_keyfile;
 215   char* shorten_keyfile;
 216
 217   cfg = _cfg;
 218
 219   GNUNET_SCHEDULER_cancel (die_task);
 220
 221   /* put records into namestore */
 222   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 223   if (NULL == namestore_handle)
 224   {
 225     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 226     ok = -1;
 227     return;
 228   }
 229
 230   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 231                                                           "ZONEKEY",
 232                                                           &our_keyfile))
 233   {
 234     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 235     ok = -1;
 236     return;
 237   }
 238
 239   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 240                                                             "SHORTEN_ZONEKEY",
 241                                                             &shorten_keyfile))
 242   {
 243     GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
 244                "Failed to get shorten zone key from cfg\n");
 245     ok = -1;
 246     return;
 247   }
 248
 249   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 250                                                             "PRIVATE_ZONEKEY",
 251                                                             &private_keyfile))
 252   {
 253     GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
 254                "Failed to get private zone key from cfg\n");
 255     ok = -1;
 256     return;
 257   }
 258
 259   our_key = GNUNET_CRYPTO_rsa_key_create_from_file (our_keyfile);
 260   GNUNET_free(our_keyfile);
 261
 262   bob_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_BOB);
 263   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_ALICE);
 264   priv_key = GNUNET_CRYPTO_rsa_key_create_from_file (private_keyfile);
 265   short_key = GNUNET_CRYPTO_rsa_key_create_from_file (shorten_keyfile);
 266
 267   GNUNET_free(shorten_keyfile);
 268   GNUNET_free(private_keyfile);
 269
 270   GNUNET_CRYPTO_rsa_key_get_public (our_key, &our_pkey);
 271   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 272   GNUNET_CRYPTO_rsa_key_get_public (bob_key, &bob_pkey);
 273   GNUNET_CRYPTO_rsa_key_get_public (priv_key, &priv_pkey);
 274   GNUNET_CRYPTO_rsa_key_get_public (short_key, &short_pkey);
 275
 276   GNUNET_CRYPTO_short_hash(&priv_pkey, sizeof(priv_pkey), &priv_zone);
 277   GNUNET_CRYPTO_short_hash(&short_pkey, sizeof(short_pkey), &short_zone);
 278
 279   struct GNUNET_NAMESTORE_RecordData rd;
 280   char* ip = TEST_IP;
 281   struct in_addr *web = GNUNET_malloc(sizeof(struct in_addr));
 282   rd.expiration_time = UINT64_MAX;
 283   GNUNET_assert(1 == inet_pton (AF_INET, ip, web));
 284
 285   GNUNET_CRYPTO_short_hash(&bob_pkey, sizeof(bob_pkey), &bob_hash);
 286
 287   rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
 288   rd.data = &bob_hash;
 289   rd.record_type = GNUNET_GNS_RECORD_PKEY;
 290   rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
 291
 292   /* put bob into our zone */
 293   GNUNET_NAMESTORE_record_create (namestore_handle,
 294                                   our_key,
 295                                   TEST_AUTHORITY_BOB,
 296                                   &rd,
 297                                   NULL,
 298                                   NULL);
 299
 300   /* put alice into bobs zone */
 301   GNUNET_CRYPTO_short_hash(&alice_pkey, sizeof(alice_pkey), &alice_hash);
 302   rd.data = &alice_hash;
 303   sig = GNUNET_NAMESTORE_create_signature(bob_key,
 304                                           GNUNET_TIME_UNIT_FOREVER_ABS,
 305                                           TEST_AUTHORITY_ALICE,
 306                                           &rd, 1);
 307
 308   GNUNET_NAMESTORE_record_put (namestore_handle,
 309                                &bob_pkey,
 310                                TEST_AUTHORITY_ALICE,
 311                                GNUNET_TIME_UNIT_FOREVER_ABS,
 312                                1,
 313                                &rd,
 314                                sig,
 315                                NULL,
 316                                NULL);
 317   GNUNET_free(sig);
 318   /* put www A record and PSEU into alice's zone */
 319
 320   rd.data_size = sizeof(struct in_addr);
 321   rd.data = web;
 322   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 323   sig = GNUNET_NAMESTORE_create_signature(alice_key,
 324                                           GNUNET_TIME_UNIT_FOREVER_ABS,
 325                                           TEST_RECORD_NAME,
 326                                           &rd, 1);
 327
 328   GNUNET_NAMESTORE_record_put (namestore_handle,
 329                                &alice_pkey,
 330                                TEST_RECORD_NAME,
 331                                GNUNET_TIME_UNIT_FOREVER_ABS,
 332                                1,
 333                                &rd,
 334                                sig,
 335                                NULL,
 336                                NULL);
 337
 338   rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
 339   rd.data = &alice_hash;
 340   rd.record_type = GNUNET_GNS_RECORD_PKEY;
 341   GNUNET_free(sig);
 342
 343   GNUNET_NAMESTORE_record_create (namestore_handle,
 344                                our_key,
 345                                TEST_ALICE_PSEU,
 346                                &rd,
 347                                &commence_testing,
 348                                NULL);
 349
 350   GNUNET_free(web);
 351   GNUNET_CRYPTO_rsa_key_free(our_key);
 352   GNUNET_CRYPTO_rsa_key_free(bob_key);
 353   GNUNET_CRYPTO_rsa_key_free(alice_key);
 354   GNUNET_CRYPTO_rsa_key_free(priv_key);
 355   GNUNET_CRYPTO_rsa_key_free(short_key);
 356 }
 357
 358 static void
 359 run (void *cls, char *const *args, const char *cfgfile,
 360      const struct GNUNET_CONFIGURATION_Handle *c)
 361 {
 362   cfg = c;
 363    /* Get path from configuration file */
 364   if (GNUNET_YES !=
 365       GNUNET_CONFIGURATION_get_value_string (cfg, "paths", "servicehome",
 366                                              &test_directory))
 367   {
 368     ok = 404;
 369     return;
 370   }
 371
 372
 373   /* Set up a task to end testing if peer start fails */
 374   die_task =
 375       GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly,
 376                                     "didn't start all daemons in reasonable amount of time!!!");
 377
 378   /* Start alice */
 379   pg = GNUNET_TESTING_daemons_start(cfg, 1, 1, 1, TIMEOUT,
 380                                     NULL, NULL, &do_shorten, NULL,
 381                                     NULL, NULL, NULL);
 382 }
 383
 384 static int
 385 check ()
 386 {
 387   int ret;
 388
 389   /* Arguments for GNUNET_PROGRAM_run */
 390   char *const argv[] = { "test-gns-simple-shorten", /* Name to give running binary */
 391     "-c",
 392     "test_gns_simple_lookup.conf",       /* Config file to use */
 393 #if VERBOSE
 394     "-L", "DEBUG",
 395 #endif
 396     NULL
 397   };
 398   struct GNUNET_GETOPT_CommandLineOption options[] = {
 399     GNUNET_GETOPT_OPTION_END
 400   };
 401   /* Run the run function as a new program */
 402   ret =
 403       GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
 404                           "test-gns-simple-shorten", "nohelp", options, &run,
 405                           &ok);
 406   if (ret != GNUNET_OK)
 407   {
 408     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
 409                 "`test-gns-simple-shorten': Failed with error code %d\n", ret);
 410   }
 411   return ok;
 412 }
 413
 414 int
 415 main (int argc, char *argv[])
 416 {
 417   int ret;
 418
 419   GNUNET_log_setup ("test-gns-simple-shorten",
 420 #if VERBOSE
 421                     "DEBUG",
 422 #else
 423                     "WARNING",
 424 #endif
 425                     NULL);
 426   ret = check ();
 427   /**
 428    * Need to remove base directory, subdirectories taken care
 429    * of by the testing framework.
 430    */
 431   return ret;
 432 }
 433
 434 /* end of test_gns_twopeer.c */