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                     GNUNET_NO,
 167                     NULL,
 168                     &on_lookup_result, TEST_DOMAIN);
 169 }
 170
 171 /**
 172  * Continuation for the GNUNET_DHT_get_stop call, so that we don't shut
 173  * down the peers without freeing memory associated with GET request.
 174  */
 175 static void
 176 end_badly_cont (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 177 {
 178
 179   if (pg != NULL) {
 180     GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
 181   }
 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
 200 static void
 201 put_dht(void *cls, int32_t success, const char *emsg)
 202 {
 203   struct GNSNameRecordBlock *nrb;
 204   struct GNUNET_CRYPTO_ShortHashCode name_hash;
 205   struct GNUNET_CRYPTO_ShortHashCode zone_hash;
 206   struct GNUNET_HashCode xor_hash;
 207   struct GNUNET_HashCode name_hash_double;
 208   struct GNUNET_HashCode zone_hash_double;
 209   uint32_t rd_payload_length;
 210   char* nrb_data = NULL;
 211   struct GNUNET_CRYPTO_RsaSignature *sig;
 212   struct GNUNET_NAMESTORE_RecordData rd;
 213   char* ip = TEST_IP;
 214   struct in_addr *web = GNUNET_malloc(sizeof(struct in_addr));
 215
 216   rd.expiration_time = UINT64_MAX;
 217   GNUNET_assert(1 == inet_pton (AF_INET, ip, web));
 218   rd.data_size = sizeof(struct in_addr);
 219   rd.data = web;
 220   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 221
 222   sig = GNUNET_NAMESTORE_create_signature(bob_key, GNUNET_TIME_UNIT_FOREVER_ABS, TEST_RECORD_NAME,
 223                                           &rd, 1);
 224   rd_payload_length = GNUNET_NAMESTORE_records_get_size (1, &rd);
 225   nrb = GNUNET_malloc(rd_payload_length + strlen(TEST_RECORD_NAME) + 1
 226                       + sizeof(struct GNSNameRecordBlock));
 227   nrb->signature = *sig;
 228   nrb->public_key = bob_pkey;
 229   nrb->rd_count = htonl(1);
 230   memset(&nrb[1], 0, strlen(TEST_RECORD_NAME) + 1);
 231   strcpy((char*)&nrb[1], TEST_RECORD_NAME);
 232   nrb_data = (char*)&nrb[1];
 233   nrb_data += strlen(TEST_RECORD_NAME) + 1;
 234
 235   if (-1 == GNUNET_NAMESTORE_records_serialize (1,
 236                                                 &rd,
 237                                                 rd_payload_length,
 238                                                 nrb_data))
 239   {
 240     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Record serialization failed!\n");
 241     ok = 3;
 242     GNUNET_free (nrb);
 243     return;
 244   }
 245   GNUNET_CRYPTO_short_hash(TEST_RECORD_NAME, strlen(TEST_RECORD_NAME), &name_hash);
 246   GNUNET_CRYPTO_short_hash(&bob_pkey,
 247                      sizeof(struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
 248                      &zone_hash);
 249   GNUNET_CRYPTO_short_hash_double(&zone_hash, &zone_hash_double);
 250   GNUNET_CRYPTO_short_hash_double(&name_hash, &name_hash_double);
 251   GNUNET_CRYPTO_hash_xor(&zone_hash_double, &name_hash_double, &xor_hash);
 252
 253   rd_payload_length += sizeof(struct GNSNameRecordBlock) +
 254     strlen(TEST_RECORD_NAME) + 1;
 255   GNUNET_DHT_put (dht_handle, &xor_hash,
 256                   0,
 257                   GNUNET_DHT_RO_NONE,
 258                   GNUNET_BLOCK_TYPE_GNS_NAMERECORD,
 259                   rd_payload_length,
 260                   (char*)nrb,
 261                   GNUNET_TIME_UNIT_FOREVER_ABS,
 262                   DHT_OPERATION_TIMEOUT,
 263                   NULL,
 264                   NULL);
 265   GNUNET_free (nrb);
 266   GNUNET_SCHEDULER_add_delayed(TIMEOUT, &commence_testing, NULL);
 267 }
 268
 269 static void
 270 do_lookup(void *cls, const struct GNUNET_PeerIdentity *id,
 271           const struct GNUNET_CONFIGURATION_Handle *_cfg,
 272           struct GNUNET_TESTING_Daemon *d, const char *emsg)
 273 {
 274
 275
 276   char* alice_keyfile;
 277   struct GNUNET_CRYPTO_ShortHashCode bob_hash;
 278
 279   cfg = _cfg;
 280
 281   GNUNET_SCHEDULER_cancel (die_task);
 282
 283   /* put records into namestore */
 284   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 285   if (NULL == namestore_handle)
 286   {
 287     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 288     ok = -1;
 289     return;
 290   }
 291
 292   /* dht */
 293   dht_handle = GNUNET_DHT_connect(cfg, 1);
 294   if (NULL == dht_handle)
 295   {
 296     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to dht\n");
 297     ok = -1;
 298     return;
 299   }
 300
 301   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 302                                                           "ZONEKEY",
 303                                                           &alice_keyfile))
 304   {
 305     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 306     ok = -1;
 307     return;
 308   }
 309
 310   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
 311   bob_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_BOB);
 312
 313   GNUNET_free(alice_keyfile);
 314
 315   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 316   GNUNET_CRYPTO_rsa_key_get_public (bob_key, &bob_pkey);
 317   GNUNET_CRYPTO_short_hash(&bob_pkey, sizeof(bob_pkey), &bob_hash);
 318
 319   struct GNUNET_NAMESTORE_RecordData rd;
 320   rd.expiration_time = UINT64_MAX;
 321   rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
 322   rd.data = &bob_hash;
 323   rd.record_type = GNUNET_GNS_RECORD_PKEY;
 324
 325   GNUNET_NAMESTORE_record_create (namestore_handle,
 326                                   alice_key,
 327                                   TEST_AUTHORITY_NAME,
 328                                   &rd,
 329                                   &put_dht,
 330                                   NULL);
 331
 332
 333
 334 }
 335
 336 static void
 337 run (void *cls, char *const *args, const char *cfgfile,
 338      const struct GNUNET_CONFIGURATION_Handle *c)
 339 {
 340   cfg = c;
 341    /* Get path from configuration file */
 342   if (GNUNET_YES !=
 343       GNUNET_CONFIGURATION_get_value_string (cfg, "paths", "servicehome",
 344                                              &test_directory))
 345   {
 346     ok = 404;
 347     return;
 348   }
 349
 350
 351   /* Set up a task to end testing if peer start fails */
 352   die_task =
 353       GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly,
 354                                     "didn't start all daemons in reasonable amount of time!!!");
 355
 356   /* Start alice */
 357   //d1 = GNUNET_TESTING_daemon_start(cfg, TIMEOUT, GNUNET_NO, NULL, NULL, 0,
 358   //                                 NULL, NULL, NULL, &do_lookup, NULL);
 359   pg = GNUNET_TESTING_daemons_start(cfg, 1, 1, 1, TIMEOUT,
 360                                NULL, NULL, &do_lookup, NULL, NULL, NULL, NULL);
 361 }
 362
 363 static int
 364 check ()
 365 {
 366   int ret;
 367
 368   /* Arguments for GNUNET_PROGRAM_run */
 369   char *const argv[] = { "test-gns-dht-delegated-lookup", /* Name to give running binary */
 370     "-c",
 371     "test_gns_simple_lookup.conf",       /* Config file to use */
 372 #if VERBOSE
 373     "-L", "DEBUG",
 374 #endif
 375     NULL
 376   };
 377   struct GNUNET_GETOPT_CommandLineOption options[] = {
 378     GNUNET_GETOPT_OPTION_END
 379   };
 380   /* Run the run function as a new program */
 381   ret =
 382       GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
 383                           "test-gns-dht-delegated-lookup", "nohelp", options, &run,
 384                           &ok);
 385   if (ret != GNUNET_OK)
 386   {
 387     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
 388                 "`test-gns-dht-delegated-lookup': Failed with error code %d\n", ret);
 389   }
 390   return ok;
 391 }
 392
 393 int
 394 main (int argc, char *argv[])
 395 {
 396   int ret;
 397
 398   GNUNET_log_setup ("test-gns-simple-lookup",
 399 #if VERBOSE
 400                     "DEBUG",
 401 #else
 402                     "WARNING",
 403 #endif
 404                     NULL);
 405   ret = check ();
 406   /**
 407    * Need to remove base directory, subdirectories taken care
 408    * of by the testing framework.
 409    */
 410   return ret;
 411 }
 412
 413 /* end of test_gns_twopeer.c */