src/gns/test_gns_dht_delegated_lookup.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_dht_delegated_lookup.c
  22  * @brief test for record lookup via DHT
  23  *
  24  */
  25 #include "platform.h"
  26 #include "gnunet_testing_lib.h"
  27 #include "gnunet_core_service.h"
  28 #include "block_gns.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_dht_service.h"
  34 #include "gnunet_gns_service.h"
  35
  36 /* DEFINES */
  37 #define VERBOSE GNUNET_YES
  38
  39 /* Timeout for entire testcase */
  40 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 20)
  41
  42 /* If number of peers not in config file, use this number */
  43 #define DEFAULT_NUM_PEERS 2
  44
  45 /* test records to resolve */
  46 #define TEST_DOMAIN "www.bob.gnunet"
  47 #define TEST_IP "127.0.0.1"
  48 #define TEST_RECORD_NAME "www"
  49
  50 #define TEST_AUTHORITY_NAME "bob"
  51
  52 #define DHT_OPERATION_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
  53
  54 #define KEYFILE_BOB "../namestore/zonefiles/HGU0A0VCU334DN7F2I9UIUMVQMM7JMSD142LIMNUGTTV9R0CF4EG.zkey"
  55
  56 /* Globals */
  57
  58 /**
  59  * Directory to store temp data in, defined in config file
  60  */
  61 static char *test_directory;
  62
  63 static struct GNUNET_TESTING_PeerGroup *pg;
  64
  65 /* Task handle to use to schedule test failure */
  66 GNUNET_SCHEDULER_TaskIdentifier die_task;
  67
  68 /* Global return value (0 for success, anything else for failure) */
  69 static int ok;
  70
  71 static struct GNUNET_NAMESTORE_Handle *namestore_handle;
  72
  73 static struct GNUNET_GNS_Handle *gns_handle;
  74
  75 static struct GNUNET_DHT_Handle *dht_handle;
  76
  77 const struct GNUNET_CONFIGURATION_Handle *cfg;
  78
  79 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
  80 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded bob_pkey;
  81 struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
  82 struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
  83
  84 /**
  85  * Check whether peers successfully shut down.
  86  */
  87 void
  88 shutdown_callback (void *cls, const char *emsg)
  89 {
  90   if (emsg != NULL)
  91   {
  92     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error on shutdown! ret=%d\n", ok);
  93     if (ok == 0)
  94       ok = 2;
  95   }
  96
  97   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "done(ret=%d)!\n", ok);
  98 }
  99
 100
 101 static void
 102 on_lookup_result(void *cls, uint32_t rd_count,
 103                  const struct GNUNET_NAMESTORE_RecordData *rd)
 104 {
 105   struct in_addr a;
 106   int i;
 107   char* addr;
 108
 109   if (rd_count == 0)
 110   {
 111     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 112                 "Lookup failed, rp_filtering?\n");
 113     ok = 2;
 114   }
 115   else
 116   {
 117     ok = 1;
 118     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 119     for (i=0; i<rd_count; i++)
 120     {
 121       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 122       if (rd[i].record_type == GNUNET_GNS_RECORD_TYPE_A)
 123       {
 124         memcpy(&a, rd[i].data, sizeof(a));
 125         addr = inet_ntoa(a);
 126         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 127         if (0 == strcmp(addr, TEST_IP))
 128         {
 129           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 130                     "%s correctly resolved to %s!\n", TEST_DOMAIN, addr);
 131           ok = 0;
 132         }
 133       }
 134       else
 135       {
 136         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 137       }
 138     }
 139   }
 140   GNUNET_GNS_disconnect(gns_handle);
 141   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer1!\n");
 142   //GNUNET_TESTING_daemon_stop (d1, TIMEOUT, &shutdown_callback, NULL,
 143   //                            GNUNET_YES, GNUNET_NO);
 144   GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
 145 }
 146
 147
 148 /**
 149  * Function scheduled to be run on the successful start of services
 150  * tries to look up the dns record for TEST_DOMAIN
 151  */
 152 static void
 153 commence_testing (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 154 {
 155   GNUNET_NAMESTORE_disconnect(namestore_handle, GNUNET_YES);
 156
 157   gns_handle = GNUNET_GNS_connect(cfg);
 158
 159   if (NULL == gns_handle)
 160   {
 161     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 162                 "Failed to connect to GNS!\n");
 163   }
 164
 165   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN, GNUNET_GNS_RECORD_TYPE_A,
 166                     &on_lookup_result, TEST_DOMAIN);
 167 }
 168
 169 /**
 170  * Continuation for the GNUNET_DHT_get_stop call, so that we don't shut
 171  * down the peers without freeing memory associated with GET request.
 172  */
 173 static void
 174 end_badly_cont (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 175 {
 176
 177   if (pg != NULL) {
 178     GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
 179   }
 180   GNUNET_SCHEDULER_cancel (die_task);
 181 }
 182
 183 /**
 184  * Check if the get_handle is being used, if so stop the request.  Either
 185  * way, schedule the end_badly_cont function which actually shuts down the
 186  * test.
 187  */
 188 static void
 189 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 190 {
 191   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failing test with error: `%s'!\n",
 192               (char *) cls);
 193   GNUNET_SCHEDULER_add_now (&end_badly_cont, NULL);
 194   ok = 1;
 195 }
 196
 197
 198 static void
 199 put_dht(void *cls, int32_t success, const char *emsg)
 200 {
 201   struct GNSNameRecordBlock *nrb;
 202   struct GNUNET_CRYPTO_ShortHashCode name_hash;
 203   struct GNUNET_CRYPTO_ShortHashCode zone_hash;
 204   GNUNET_HashCode xor_hash;
 205   GNUNET_HashCode name_hash_double;
 206   GNUNET_HashCode zone_hash_double;
 207   uint32_t rd_payload_length;
 208   char* nrb_data = NULL;
 209   struct GNUNET_CRYPTO_RsaSignature *sig;
 210   struct GNUNET_NAMESTORE_RecordData rd;
 211   char* ip = TEST_IP;
 212   struct in_addr *web = GNUNET_malloc(sizeof(struct in_addr));
 213
 214   rd.expiration = GNUNET_TIME_absolute_get_forever ();
 215   GNUNET_assert(1 == inet_pton (AF_INET, ip, web));
 216   rd.data_size = sizeof(struct in_addr);
 217   rd.data = web;
 218   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 219
 220   sig = GNUNET_NAMESTORE_create_signature(bob_key, GNUNET_TIME_absolute_get_forever(), TEST_RECORD_NAME,
 221                                           &rd, 1);
 222   rd_payload_length = GNUNET_NAMESTORE_records_get_size (1, &rd);
 223   nrb = GNUNET_malloc(rd_payload_length + strlen(TEST_RECORD_NAME) + 1
 224                       + sizeof(struct GNSNameRecordBlock));
 225   nrb->signature = *sig;
 226   nrb->public_key = bob_pkey;
 227   nrb->rd_count = htonl(1);
 228   memset(&nrb[1], 0, strlen(TEST_RECORD_NAME) + 1);
 229   strcpy((char*)&nrb[1], TEST_RECORD_NAME);
 230   nrb_data = (char*)&nrb[1];
 231   nrb_data += strlen(TEST_RECORD_NAME) + 1;
 232
 233   if (-1 == GNUNET_NAMESTORE_records_serialize (1,
 234                                                 &rd,
 235                                                 rd_payload_length,
 236                                                 nrb_data))
 237   {
 238     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Record serialization failed!\n");
 239     ok = 3;
 240     GNUNET_free (nrb);
 241     return;
 242   }
 243   GNUNET_CRYPTO_short_hash(TEST_RECORD_NAME, strlen(TEST_RECORD_NAME), &name_hash);
 244   GNUNET_CRYPTO_short_hash(&bob_pkey,
 245                      sizeof(struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
 246                      &zone_hash);
 247   GNUNET_CRYPTO_short_hash_double(&zone_hash, &zone_hash_double);
 248   GNUNET_CRYPTO_short_hash_double(&name_hash, &name_hash_double);
 249   GNUNET_CRYPTO_hash_xor(&zone_hash_double, &name_hash_double, &xor_hash);
 250
 251   rd_payload_length += sizeof(struct GNSNameRecordBlock) +
 252     strlen(TEST_RECORD_NAME) + 1;
 253   GNUNET_DHT_put (dht_handle, &xor_hash,
 254                   0,
 255                   GNUNET_DHT_RO_NONE,
 256                   GNUNET_BLOCK_TYPE_GNS_NAMERECORD,
 257                   rd_payload_length,
 258                   (char*)nrb,
 259                   rd.expiration,
 260                   DHT_OPERATION_TIMEOUT,
 261                   NULL,
 262                   NULL);
 263   GNUNET_free (nrb);
 264   GNUNET_SCHEDULER_add_delayed(TIMEOUT, &commence_testing, NULL);
 265 }
 266
 267 static void
 268 do_lookup(void *cls, const struct GNUNET_PeerIdentity *id,
 269           const struct GNUNET_CONFIGURATION_Handle *_cfg,
 270           struct GNUNET_TESTING_Daemon *d, const char *emsg)
 271 {
 272
 273
 274   char* alice_keyfile;
 275   struct GNUNET_CRYPTO_ShortHashCode bob_hash;
 276
 277   cfg = _cfg;
 278
 279   GNUNET_SCHEDULER_cancel (die_task);
 280
 281   /* put records into namestore */
 282   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 283   if (NULL == namestore_handle)
 284   {
 285     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 286     ok = -1;
 287     return;
 288   }
 289
 290   /* dht */
 291   dht_handle = GNUNET_DHT_connect(cfg, 1);
 292   if (NULL == dht_handle)
 293   {
 294     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to dht\n");
 295     ok = -1;
 296     return;
 297   }
 298
 299   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 300                                                           "ZONEKEY",
 301                                                           &alice_keyfile))
 302   {
 303     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 304     ok = -1;
 305     return;
 306   }
 307
 308   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
 309   bob_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_BOB);
 310
 311   GNUNET_free(alice_keyfile);
 312
 313   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 314   GNUNET_CRYPTO_rsa_key_get_public (bob_key, &bob_pkey);
 315   GNUNET_CRYPTO_short_hash(&bob_pkey, sizeof(bob_pkey), &bob_hash);
 316
 317   struct GNUNET_NAMESTORE_RecordData rd;
 318   rd.expiration = GNUNET_TIME_absolute_get_forever ();
 319   rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
 320   rd.data = &bob_hash;
 321   rd.record_type = GNUNET_GNS_RECORD_PKEY;
 322
 323   GNUNET_NAMESTORE_record_create (namestore_handle,
 324                                   alice_key,
 325                                   TEST_AUTHORITY_NAME,
 326                                   &rd,
 327                                   &put_dht,
 328                                   NULL);
 329
 330
 331
 332 }
 333
 334 static void
 335 run (void *cls, char *const *args, const char *cfgfile,
 336      const struct GNUNET_CONFIGURATION_Handle *c)
 337 {
 338   cfg = c;
 339    /* Get path from configuration file */
 340   if (GNUNET_YES !=
 341       GNUNET_CONFIGURATION_get_value_string (cfg, "paths", "servicehome",
 342                                              &test_directory))
 343   {
 344     ok = 404;
 345     return;
 346   }
 347
 348
 349   /* Set up a task to end testing if peer start fails */
 350   die_task =
 351       GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly,
 352                                     "didn't start all daemons in reasonable amount of time!!!");
 353
 354   /* Start alice */
 355   //d1 = GNUNET_TESTING_daemon_start(cfg, TIMEOUT, GNUNET_NO, NULL, NULL, 0,
 356   //                                 NULL, NULL, NULL, &do_lookup, NULL);
 357   pg = GNUNET_TESTING_daemons_start(cfg, 1, 1, 1, TIMEOUT,
 358                                NULL, NULL, &do_lookup, NULL, NULL, NULL, NULL);
 359 }
 360
 361 static int
 362 check ()
 363 {
 364   int ret;
 365
 366   /* Arguments for GNUNET_PROGRAM_run */
 367   char *const argv[] = { "test-gns-dht-delegated-lookup", /* Name to give running binary */
 368     "-c",
 369     "test_gns_simple_lookup.conf",       /* Config file to use */
 370 #if VERBOSE
 371     "-L", "DEBUG",
 372 #endif
 373     NULL
 374   };
 375   struct GNUNET_GETOPT_CommandLineOption options[] = {
 376     GNUNET_GETOPT_OPTION_END
 377   };
 378   /* Run the run function as a new program */
 379   ret =
 380       GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
 381                           "test-gns-dht-delegated-lookup", "nohelp", options, &run,
 382                           &ok);
 383   if (ret != GNUNET_OK)
 384   {
 385     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
 386                 "`test-gns-dht-delegated-lookup': Failed with error code %d\n", ret);
 387   }
 388   return ok;
 389 }
 390
 391 int
 392 main (int argc, char *argv[])
 393 {
 394   int ret;
 395
 396   GNUNET_log_setup ("test-gns-simple-lookup",
 397 #if VERBOSE
 398                     "DEBUG",
 399 #else
 400                     "WARNING",
 401 #endif
 402                     NULL);
 403   ret = check ();
 404   /**
 405    * Need to remove base directory, subdirectories taken care
 406    * of by the testing framework.
 407    */
 408   return ret;
 409 }
 410
 411 /* end of test_gns_twopeer.c */