src/gns/test_gns_cname_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_cname_lookup.c
  22  * @brief base testcase for testing a local GNS record lookup
  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 "gnunet_dnsparser_lib.h"
  32 #include "gnunet_gns_service.h"
  33
  34 /* DEFINES */
  35 #define VERBOSE GNUNET_YES
  36
  37 /* Timeout for entire testcase */
  38 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 20)
  39
  40 /* If number of peers not in config file, use this number */
  41 #define DEFAULT_NUM_PEERS 2
  42
  43 /* test records to resolve */
  44 #define TEST_DOMAIN_PLUS "www.gnunet"
  45 #define TEST_DOMAIN_ZKEY "www2.gnunet"
  46 #define TEST_DOMAIN_DNS  "www3.gnunet"
  47 #define TEST_IP_PLUS "127.0.0.1"
  48 #define TEST_IP_ZKEY "127.0.0.2"
  49 #define TEST_IP_DNS  "131.159.74.67"
  50 #define TEST_RECORD_CNAME_SERVER "server.gnunet"
  51 #define TEST_RECORD_CNAME_PLUS "server.+"
  52 #define TEST_RECORD_CNAME_ZKEY "www.188JSUMKEF25GVU8TTV0PBNNN8JVCPUEDFV1UHJJU884JD25V0T0.zkey"
  53 #define TEST_RECORD_CNAME_DNS "gnunet.org"
  54 #define TEST_RECORD_NAME_SERVER "server"
  55 #define TEST_RECORD_NAME_PLUS "www"
  56 #define TEST_RECORD_NAME_ZKEY "www2"
  57 #define TEST_RECORD_NAME_DNS "www3"
  58
  59 #define KEYFILE_BOB "zonefiles/188JSUMKEF25GVU8TTV0PBNNN8JVCPUEDFV1UHJJU884JD25V0T0.zkey"
  60
  61 /* Globals */
  62
  63 /**
  64  * Directory to store temp data in, defined in config file
  65  */
  66 static char *test_directory;
  67
  68 static struct GNUNET_TESTING_PeerGroup *pg;
  69
  70 /* Task handle to use to schedule test failure */
  71 GNUNET_SCHEDULER_TaskIdentifier die_task;
  72
  73 /* Global return value (0 for success, anything else for failure) */
  74 static int ok;
  75
  76 static struct GNUNET_NAMESTORE_Handle *namestore_handle;
  77
  78 static struct GNUNET_GNS_Handle *gns_handle;
  79
  80 const struct GNUNET_CONFIGURATION_Handle *cfg;
  81
  82 /**
  83  * Check whether peers successfully shut down.
  84  */
  85 void
  86 shutdown_callback (void *cls, const char *emsg)
  87 {
  88   if (emsg != NULL)
  89   {
  90     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error on shutdown! ret=%d\n", ok);
  91     if (ok == 0)
  92       ok = 2;
  93   }
  94
  95   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "done(ret=%d)!\n", ok);
  96 }
  97
  98
  99 static void
 100 on_lookup_result_cname (void *cls, uint32_t rd_count,
 101                  const struct GNUNET_NAMESTORE_RecordData *rd)
 102 {
 103   int i;
 104
 105   if (rd_count == 0)
 106   {
 107     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 108                 "Lookup failed, rp_filtering?\n");
 109     ok = 2;
 110   }
 111   else
 112   {
 113     ok = 1;
 114     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 115     for (i=0; i<rd_count; i++)
 116     {
 117       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 118       if (rd[i].record_type == GNUNET_GNS_RECORD_CNAME)
 119       {
 120         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CNAME: %s\n", rd[i].data);
 121         if (0 == strcmp(rd[i].data, TEST_RECORD_CNAME_SERVER))
 122         {
 123           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 124                     "%s correctly resolved to %s!\n", TEST_DOMAIN_PLUS, rd[i].data);
 125           ok = 0;
 126         }
 127       }
 128       else
 129       {
 130         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 131       }
 132     }
 133   }
 134   GNUNET_GNS_disconnect(gns_handle);
 135   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer1!\n");
 136   GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
 137 }
 138
 139 static void
 140 on_lookup_result_dns (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
 147   if (rd_count == 0)
 148   {
 149     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 150                 "Lookup failed, rp_filtering?\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_DNS))
 166         {
 167           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 168                     "%s correctly resolved to %s!\n", TEST_DOMAIN_DNS, addr);
 169           ok = 0;
 170         }
 171       }
 172       else
 173       {
 174         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 175       }
 176     }
 177   }
 178
 179   GNUNET_GNS_lookup (gns_handle, TEST_DOMAIN_PLUS, GNUNET_GNS_RECORD_CNAME,
 180                      GNUNET_YES,
 181                      NULL,
 182                      &on_lookup_result_cname, TEST_DOMAIN_PLUS);
 183 }
 184
 185 static void
 186 on_lookup_result_zkey (void *cls, uint32_t rd_count,
 187                  const struct GNUNET_NAMESTORE_RecordData *rd)
 188 {
 189   struct in_addr a;
 190   int i;
 191   char* addr;
 192
 193   if (rd_count == 0)
 194   {
 195     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 196                 "Lookup failed, rp_filtering?\n");
 197     ok = 2;
 198   }
 199   else
 200   {
 201     ok = 1;
 202     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 203     for (i=0; i<rd_count; i++)
 204     {
 205       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 206       if (rd[i].record_type == GNUNET_GNS_RECORD_A)
 207       {
 208         memcpy(&a, rd[i].data, sizeof(a));
 209         addr = inet_ntoa(a);
 210         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 211         if (0 == strcmp(addr, TEST_IP_ZKEY))
 212         {
 213           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 214                     "%s correctly resolved to %s!\n", TEST_DOMAIN_ZKEY, addr);
 215           ok = 0;
 216         }
 217       }
 218       else
 219       {
 220         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 221       }
 222     }
 223   }
 224
 225   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN_DNS, GNUNET_GNS_RECORD_A,
 226                     GNUNET_YES,
 227                     NULL,
 228                     &on_lookup_result_dns, TEST_DOMAIN_DNS);
 229 }
 230
 231 static void
 232 on_lookup_result_plus (void *cls, uint32_t rd_count,
 233                  const struct GNUNET_NAMESTORE_RecordData *rd)
 234 {
 235   struct in_addr a;
 236   int i;
 237   char* addr;
 238
 239   if (rd_count == 0)
 240   {
 241     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 242                 "Lookup failed, rp_filtering?\n");
 243     ok = 2;
 244   }
 245   else
 246   {
 247     ok = 1;
 248     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 249     for (i=0; i<rd_count; i++)
 250     {
 251       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 252       if (rd[i].record_type == GNUNET_GNS_RECORD_A)
 253       {
 254         memcpy(&a, rd[i].data, sizeof(a));
 255         addr = inet_ntoa(a);
 256         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 257         if (0 == strcmp(addr, TEST_IP_PLUS))
 258         {
 259           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 260                     "%s correctly resolved to %s!\n", TEST_DOMAIN_PLUS, addr);
 261           ok = 0;
 262         }
 263       }
 264       else
 265       {
 266         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 267       }
 268     }
 269   }
 270
 271   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN_ZKEY, GNUNET_GNS_RECORD_A,
 272                     GNUNET_YES,
 273                     NULL,
 274                     &on_lookup_result_zkey, TEST_DOMAIN_ZKEY);
 275 }
 276
 277
 278 static void
 279 disco_ns (void* cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 280 {
 281   GNUNET_NAMESTORE_disconnect (namestore_handle);
 282 }
 283
 284 /**
 285  * Function scheduled to be run on the successful start of services
 286  * tries to look up the dns record for TEST_DOMAIN
 287  */
 288 static void
 289 commence_testing (void *cls, int32_t success, const char *emsg)
 290 {
 291
 292   GNUNET_SCHEDULER_add_now (disco_ns, NULL);
 293
 294   gns_handle = GNUNET_GNS_connect(cfg);
 295
 296   if (NULL == gns_handle)
 297   {
 298     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 299                 "Failed to connect to GNS!\n");
 300     ok = 2;
 301   }
 302
 303   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN_PLUS, GNUNET_GNS_RECORD_A,
 304                     GNUNET_YES,
 305                     NULL,
 306                     &on_lookup_result_plus, TEST_DOMAIN_PLUS);
 307 }
 308
 309
 310 /**
 311  * Continuation for the GNUNET_DHT_get_stop call, so that we don't shut
 312  * down the peers without freeing memory associated with GET request.
 313  */
 314 static void
 315 end_badly_cont (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 316 {
 317
 318   if (pg != NULL)
 319     GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
 320   GNUNET_SCHEDULER_cancel (die_task);
 321 }
 322
 323 /**
 324  * Check if the get_handle is being used, if so stop the request.  Either
 325  * way, schedule the end_badly_cont function which actually shuts down the
 326  * test.
 327  */
 328 static void
 329 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 330 {
 331   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failing test with error: `%s'!\n",
 332               (char *) cls);
 333   GNUNET_SCHEDULER_add_now (&end_badly_cont, NULL);
 334   ok = 1;
 335 }
 336
 337 static void
 338 do_lookup(void *cls, const struct GNUNET_PeerIdentity *id,
 339           const struct GNUNET_CONFIGURATION_Handle *_cfg,
 340           struct GNUNET_TESTING_Daemon *d, const char *emsg)
 341 {
 342   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
 343   struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
 344   struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
 345   char* alice_keyfile;
 346
 347   cfg = _cfg;
 348
 349   GNUNET_SCHEDULER_cancel (die_task);
 350
 351   /* put records into namestore */
 352   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 353   if (NULL == namestore_handle)
 354   {
 355     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 356     ok = -1;
 357     return;
 358   }
 359
 360   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 361                                                           "ZONEKEY",
 362                                                           &alice_keyfile))
 363   {
 364     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 365     ok = -1;
 366     return;
 367   }
 368
 369   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
 370
 371   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 372
 373   GNUNET_free(alice_keyfile);
 374
 375   bob_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_BOB);
 376
 377   struct GNUNET_NAMESTORE_RecordData rd;
 378   char* ip = TEST_IP_PLUS;
 379   struct in_addr *web = GNUNET_malloc(sizeof(struct in_addr));
 380   rd.expiration_time = UINT64_MAX;
 381   GNUNET_assert(1 == inet_pton (AF_INET, ip, web));
 382   rd.data_size = sizeof(struct in_addr);
 383   rd.data = web;
 384   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 385   rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
 386
 387   GNUNET_NAMESTORE_record_create (namestore_handle,
 388                                   alice_key,
 389                                   TEST_RECORD_NAME_SERVER,
 390                                   &rd,
 391                                   NULL,
 392                                   NULL);
 393
 394   rd.data_size = strlen (TEST_RECORD_CNAME_PLUS);
 395   rd.data = TEST_RECORD_CNAME_PLUS;
 396   rd.record_type = GNUNET_GNS_RECORD_CNAME;
 397
 398   GNUNET_NAMESTORE_record_create (namestore_handle,
 399                                   alice_key,
 400                                   TEST_RECORD_NAME_PLUS,
 401                                   &rd,
 402                                   NULL,
 403                                   NULL);
 404
 405   rd.data_size = strlen (TEST_RECORD_CNAME_ZKEY);
 406   rd.data = TEST_RECORD_CNAME_ZKEY;
 407   rd.record_type = GNUNET_GNS_RECORD_CNAME;
 408
 409   GNUNET_NAMESTORE_record_create (namestore_handle,
 410                                   alice_key,
 411                                   TEST_RECORD_NAME_ZKEY,
 412                                   &rd,
 413                                   NULL,
 414                                   NULL);
 415
 416   rd.data_size = strlen (TEST_RECORD_CNAME_DNS);
 417   rd.data = TEST_RECORD_CNAME_DNS;
 418   rd.record_type = GNUNET_GNS_RECORD_CNAME;
 419
 420   GNUNET_NAMESTORE_record_create (namestore_handle,
 421                                   alice_key,
 422                                   TEST_RECORD_NAME_DNS,
 423                                   &rd,
 424                                   NULL,
 425                                   NULL);
 426
 427   GNUNET_assert(1 == inet_pton (AF_INET, TEST_IP_ZKEY, web));
 428   rd.data_size = sizeof(struct in_addr);
 429   rd.data = web;
 430   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 431
 432   GNUNET_NAMESTORE_record_create (namestore_handle,
 433                                   bob_key,
 434                                   TEST_RECORD_NAME_PLUS,
 435                                   &rd,
 436                                   &commence_testing,
 437                                   NULL);
 438
 439   GNUNET_CRYPTO_rsa_key_free(alice_key);
 440   GNUNET_CRYPTO_rsa_key_free(bob_key);
 441   GNUNET_free(web);
 442
 443 }
 444
 445 static void
 446 run (void *cls, char *const *args, const char *cfgfile,
 447      const struct GNUNET_CONFIGURATION_Handle *c)
 448 {
 449   cfg = c;
 450    /* Get path from configuration file */
 451   if (GNUNET_YES !=
 452       GNUNET_CONFIGURATION_get_value_string (cfg, "paths", "servicehome",
 453                                              &test_directory))
 454   {
 455     ok = 404;
 456     return;
 457   }
 458
 459
 460   /* Set up a task to end testing if peer start fails */
 461   die_task =
 462       GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly,
 463                                     "didn't start all daemons in reasonable amount of time!!!");
 464
 465   /* Start alice */
 466   pg = GNUNET_TESTING_daemons_start(cfg, 1, 1, 1, TIMEOUT,
 467                                     NULL, NULL, &do_lookup, NULL,
 468                                     NULL, NULL, NULL);
 469 }
 470
 471 static int
 472 check ()
 473 {
 474   int ret;
 475
 476   /* Arguments for GNUNET_PROGRAM_run */
 477   char *const argv[] = { "test-gns-simple-lookup", /* Name to give running binary */
 478     "-c",
 479     "test_gns_simple_lookup.conf",       /* Config file to use */
 480 #if VERBOSE
 481     "-L", "DEBUG",
 482 #endif
 483     NULL
 484   };
 485   struct GNUNET_GETOPT_CommandLineOption options[] = {
 486     GNUNET_GETOPT_OPTION_END
 487   };
 488   /* Run the run function as a new program */
 489   ret =
 490       GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
 491                           "test-gns-simple-lookup", "nohelp", options, &run,
 492                           &ok);
 493   if (ret != GNUNET_OK)
 494   {
 495     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
 496                 "`test-gns-simple-lookup': Failed with error code %d\n", ret);
 497   }
 498   return ok;
 499 }
 500
 501 int
 502 main (int argc, char *argv[])
 503 {
 504   int ret;
 505
 506   GNUNET_log_setup ("test-gns-simple-lookup",
 507 #if VERBOSE
 508                     "DEBUG",
 509 #else
 510                     "WARNING",
 511 #endif
 512                     NULL);
 513   ret = check ();
 514   /**
 515    * Need to remove base directory, subdirectories taken care
 516    * of by the testing framework.
 517    */
 518   return ret;
 519 }
 520
 521 /* end of test_gns_twopeer.c */