src/gns/test_gns_ns_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_ns_lookup.c
  22  * @brief base testcase for testing a local GNS record lookup through NS
  23  *
  24  */
  25 #include "platform.h"
  26 #include "gnunet_testing_lib-new.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 "gnunet_resolver_service.h"
  32 #include "gnunet_dnsparser_lib.h"
  33 #include "gnunet_gns_service.h"
  34
  35 /* Timeout for entire testcase */
  36 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 20)
  37
  38 /* If number of peers not in config file, use this number */
  39 #define DEFAULT_NUM_PEERS 2
  40
  41 /* test records to resolve */
  42 #define TEST_DOMAIN "www.homepage.gnunet"
  43 #define TEST_DOMAIN_ALT "homepage.gnunet"
  44 #define TEST_DOMAIN_ALT2 "uk.homepage.gnunet"
  45 #define TEST_IP_ALT2 "81.187.252.184"
  46 #define TEST_IP "131.159.74.67"
  47 #define TEST_IP_NS "216.69.185.1" //ns01.domaincontrol.com
  48 #define TEST_RECORD_NAME "homepage"
  49 #define TEST_RECORD_NS "gnunet.org"
  50
  51 /* Globals */
  52
  53
  54 /* Task handle to use to schedule test failure */
  55 GNUNET_SCHEDULER_TaskIdentifier die_task;
  56
  57 /* Global return value (0 for success, anything else for failure) */
  58 static int ok;
  59
  60 static int resolver_working;
  61
  62 static struct GNUNET_NAMESTORE_Handle *namestore_handle;
  63
  64 static struct GNUNET_GNS_Handle *gns_handle;
  65
  66 static struct GNUNET_RESOLVER_RequestHandle *resolver_handle;
  67
  68 const struct GNUNET_CONFIGURATION_Handle *cfg;
  69
  70 /**
  71  * Check if the get_handle is being used, if so stop the request.  Either
  72  * way, schedule the end_badly_cont function which actually shuts down the
  73  * test.
  74  */
  75 static void
  76 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  77 {
  78   die_task = GNUNET_SCHEDULER_NO_TASK;
  79   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Test failed, shutting down...\n");
  80   if (NULL != resolver_handle)
  81   {
  82     GNUNET_RESOLVER_request_cancel (resolver_handle);
  83     resolver_handle = NULL;
  84   }
  85
  86   if (NULL != gns_handle)
  87   {
  88     GNUNET_GNS_disconnect(gns_handle);
  89     gns_handle = NULL;
  90   }
  91
  92   if (NULL != namestore_handle)
  93   {
  94     GNUNET_NAMESTORE_disconnect (namestore_handle);
  95     namestore_handle = NULL;
  96   }
  97   GNUNET_break (0);
  98   GNUNET_SCHEDULER_shutdown ();
  99   ok = 1;
 100 }
 101
 102 static void
 103 end_badly_now ()
 104 {
 105   GNUNET_SCHEDULER_cancel (die_task);
 106   die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
 107 }
 108
 109 static void
 110 end_now ()
 111 {
 112   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Test successful, shutting down...\n");
 113   if (GNUNET_SCHEDULER_NO_TASK != die_task)
 114   {
 115       GNUNET_SCHEDULER_cancel (die_task);
 116       die_task = GNUNET_SCHEDULER_NO_TASK;
 117   }
 118   if (NULL != resolver_handle)
 119   {
 120     GNUNET_RESOLVER_request_cancel (resolver_handle);
 121     resolver_handle = NULL;
 122   }
 123
 124   if (NULL != gns_handle)
 125   {
 126     GNUNET_GNS_disconnect(gns_handle);
 127     gns_handle = NULL;
 128   }
 129
 130   if (NULL != namestore_handle)
 131   {
 132     GNUNET_NAMESTORE_disconnect (namestore_handle);
 133     namestore_handle = NULL;
 134   }
 135   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer!\n");
 136   GNUNET_SCHEDULER_shutdown ();
 137 }
 138
 139 static void
 140 on_lookup_result_alt2 (void *cls, uint32_t rd_count,
 141                  const struct GNUNET_NAMESTORE_RecordData *rd)
 142 {
 143   struct in_addr a;
 144   int i;
 145   char* addr;
 146   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Received alternative results 2\n");
 147   if (rd_count == 0)
 148   {
 149     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 150                 "Lookup failed\n");
 151     ok = 2;
 152   }
 153   else
 154   {
 155     ok = 1;
 156     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 157     for (i=0; i<rd_count; i++)
 158     {
 159       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 160       if (rd[i].record_type == GNUNET_GNS_RECORD_A)
 161       {
 162         memcpy(&a, rd[i].data, sizeof(a));
 163         addr = inet_ntoa(a);
 164         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 165         if (0 == strcmp(addr, TEST_IP_ALT2))
 166         {
 167           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 168                     "%s correctly resolved to %s!\n", TEST_DOMAIN, addr);
 169           ok = 0;
 170         }
 171       }
 172       else
 173       {
 174         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 175       }
 176     }
 177   }
 178   end_now ();
 179 }
 180
 181 static void
 182 on_lookup_result_alt (void *cls, uint32_t rd_count,
 183                  const struct GNUNET_NAMESTORE_RecordData *rd)
 184 {
 185   struct in_addr a;
 186   int i;
 187   char* addr;
 188   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Received alternative results\n");
 189   if (rd_count == 0)
 190   {
 191     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 192                 "Lookup failed\n");
 193     ok = 2;
 194   }
 195   else
 196   {
 197     ok = 1;
 198     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 199     for (i=0; i<rd_count; i++)
 200     {
 201       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 202       if (rd[i].record_type == GNUNET_GNS_RECORD_A)
 203       {
 204         memcpy(&a, rd[i].data, sizeof(a));
 205         addr = inet_ntoa(a);
 206         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 207         if (0 == strcmp(addr, TEST_IP))
 208         {
 209           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 210                     "%s correctly resolved to %s!\n", TEST_DOMAIN, addr);
 211           ok = 0;
 212         }
 213       }
 214       else
 215       {
 216         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 217       }
 218     }
 219   }
 220
 221   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN_ALT2, GNUNET_GNS_RECORD_A,
 222                     GNUNET_YES,
 223                     NULL,
 224                     &on_lookup_result_alt2, TEST_DOMAIN_ALT2);
 225 }
 226
 227 static void
 228 on_lookup_result(void *cls, uint32_t rd_count,
 229                  const struct GNUNET_NAMESTORE_RecordData *rd)
 230 {
 231   struct in_addr a;
 232   int i;
 233   char* addr;
 234   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Received results\n");
 235   if (rd_count == 0)
 236   {
 237     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 238                 "Lookup failed\n");
 239     ok = 2;
 240   }
 241   else
 242   {
 243     ok = 1;
 244     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 245     for (i=0; i<rd_count; i++)
 246     {
 247       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 248       if (rd[i].record_type == GNUNET_GNS_RECORD_A)
 249       {
 250         memcpy(&a, rd[i].data, sizeof(a));
 251         addr = inet_ntoa(a);
 252         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 253         if (0 == strcmp(addr, TEST_IP))
 254         {
 255           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 256                     "%s correctly resolved to %s!\n", TEST_DOMAIN, addr);
 257           ok = 0;
 258         }
 259       }
 260       else
 261       {
 262         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 263       }
 264     }
 265   }
 266
 267   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN_ALT, GNUNET_GNS_RECORD_A,
 268                     GNUNET_YES,
 269                     NULL,
 270                     &on_lookup_result_alt, TEST_DOMAIN_ALT);
 271 }
 272
 273
 274 static void
 275 start_lookup (void)
 276 {
 277   GNUNET_NAMESTORE_disconnect (namestore_handle);
 278   namestore_handle = NULL;
 279
 280   gns_handle = GNUNET_GNS_connect(cfg);
 281   if (NULL == gns_handle)
 282   {
 283     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 284                 "Failed to connect to GNS!\n");
 285     end_badly_now ();
 286     return;
 287   }
 288
 289   GNUNET_GNS_lookup (gns_handle, TEST_DOMAIN, GNUNET_GNS_RECORD_A,
 290                      GNUNET_YES,
 291                      NULL,
 292                      &on_lookup_result, TEST_DOMAIN);
 293 }
 294
 295
 296 static void
 297 handle_dns_test (void *cls,
 298                  const struct sockaddr *addr,
 299                  socklen_t addrlen)
 300 {
 301   struct sockaddr_in* sai;
 302   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Received DNS response\n");
 303   resolver_handle = NULL;
 304   if (NULL == addr)
 305   {
 306     /* end of results */
 307     if (GNUNET_YES != resolver_working)
 308     {
 309       ok = 0;
 310       GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
 311                   "System resolver not working. Test inconclusive!\n");
 312       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer1!\n");
 313       end_now ();
 314       return;
 315     }
 316     GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Starting lookup \n");
 317     start_lookup ();
 318     return;
 319   }
 320
 321   if (addrlen == sizeof (struct sockaddr_in))
 322   {
 323     sai = (struct sockaddr_in*) addr;
 324     if (0 == strcmp (TEST_IP, inet_ntoa (sai->sin_addr)))
 325     {
 326       resolver_working = GNUNET_YES;
 327       GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Resolver is working\n");
 328     }
 329
 330   }
 331 }
 332
 333
 334
 335
 336 /**
 337  * Function scheduled to be run on the successful start of services
 338  * tries to look up the dns record for TEST_DOMAIN
 339  */
 340 static void
 341 commence_testing (void *cls, int32_t success, const char *emsg)
 342 {
 343   resolver_working = GNUNET_NO;
 344   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Resolving NS record\n");
 345   GNUNET_RESOLVER_connect (cfg);
 346   resolver_handle = GNUNET_RESOLVER_ip_get (TEST_RECORD_NS,
 347                                             AF_INET,
 348                                             TIMEOUT,
 349                                             &handle_dns_test,
 350                                             NULL);
 351 }
 352
 353 static void
 354 do_check (void *cls,
 355           const struct GNUNET_CONFIGURATION_Handle *ccfg,
 356           struct GNUNET_TESTING_Peer *peer)
 357 {
 358   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
 359   struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
 360   char* alice_keyfile;
 361
 362   cfg = ccfg;
 363   die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
 364
 365   /* put records into namestore */
 366   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Connecting to namestore\n");
 367   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 368   if (NULL == namestore_handle)
 369   {
 370     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 371     end_badly_now ();
 372     return;
 373   }
 374
 375   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 376                                                           "ZONEKEY",
 377                                                           &alice_keyfile))
 378   {
 379     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 380     end_badly_now ();
 381     return;
 382   }
 383
 384   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
 385
 386   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 387
 388   GNUNET_free(alice_keyfile);
 389
 390   struct GNUNET_NAMESTORE_RecordData rd;
 391   char* ip = TEST_IP_NS;
 392   struct in_addr *ns = GNUNET_malloc(sizeof(struct in_addr));
 393   rd.expiration_time = UINT64_MAX;
 394   GNUNET_assert(1 == inet_pton (AF_INET, ip, ns));
 395   rd.data_size = sizeof(struct in_addr);
 396   rd.data = ns;
 397   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 398   rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
 399
 400   GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Creating records\n");
 401   GNUNET_NAMESTORE_record_create (namestore_handle,
 402                                   alice_key,
 403                                   TEST_RECORD_NAME,
 404                                   &rd,
 405                                   NULL,
 406                                   NULL);
 407
 408   rd.data_size = strlen (TEST_RECORD_NS);
 409   rd.data = TEST_RECORD_NS;
 410   rd.record_type = GNUNET_GNS_RECORD_NS;
 411
 412   GNUNET_NAMESTORE_record_create (namestore_handle,
 413                                   alice_key,
 414                                   TEST_RECORD_NAME,
 415                                   &rd,
 416                                   &commence_testing,
 417                                   NULL);
 418   GNUNET_CRYPTO_rsa_key_free(alice_key);
 419   GNUNET_free(ns);
 420
 421 }
 422
 423 int
 424 main (int argc, char *argv[])
 425 {
 426   ok = 1;
 427
 428   GNUNET_log_setup ("test-gns-simple-ns-lookup",
 429 #if VERBOSE
 430                     "DEBUG",
 431 #else
 432                     "WARNING",
 433 #endif
 434                     NULL);
 435   GNUNET_TESTING_peer_run ("test-gns-simple-ns-lookup", "test_gns_simple_lookup.conf", &do_check, NULL);
 436   return ok;
 437 }
 438
 439 /* end of test_gns_simple_ns_lookup.c */