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_TYPE_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_TYPE_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_TYPE_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_TYPE_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_TYPE_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_TYPE_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_TYPE_A,
 272                     GNUNET_YES,
 273                     NULL,
 274                     &on_lookup_result_zkey, TEST_DOMAIN_ZKEY);
 275 }
 276
 277
 278 /**
 279  * Function scheduled to be run on the successful start of services
 280  * tries to look up the dns record for TEST_DOMAIN
 281  */
 282 static void
 283 commence_testing (void *cls, int32_t success, const char *emsg)
 284 {
 285
 286
 287   GNUNET_NAMESTORE_disconnect(namestore_handle, GNUNET_YES);
 288
 289   gns_handle = GNUNET_GNS_connect(cfg);
 290
 291   if (NULL == gns_handle)
 292   {
 293     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 294                 "Failed to connect to GNS!\n");
 295     ok = 2;
 296   }
 297
 298   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN_PLUS, GNUNET_GNS_RECORD_TYPE_A,
 299                     GNUNET_YES,
 300                     NULL,
 301                     &on_lookup_result_plus, TEST_DOMAIN_PLUS);
 302 }
 303
 304
 305 /**
 306  * Continuation for the GNUNET_DHT_get_stop call, so that we don't shut
 307  * down the peers without freeing memory associated with GET request.
 308  */
 309 static void
 310 end_badly_cont (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 311 {
 312
 313   if (pg != NULL)
 314     GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
 315   GNUNET_SCHEDULER_cancel (die_task);
 316 }
 317
 318 /**
 319  * Check if the get_handle is being used, if so stop the request.  Either
 320  * way, schedule the end_badly_cont function which actually shuts down the
 321  * test.
 322  */
 323 static void
 324 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 325 {
 326   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failing test with error: `%s'!\n",
 327               (char *) cls);
 328   GNUNET_SCHEDULER_add_now (&end_badly_cont, NULL);
 329   ok = 1;
 330 }
 331
 332 static void
 333 do_lookup(void *cls, const struct GNUNET_PeerIdentity *id,
 334           const struct GNUNET_CONFIGURATION_Handle *_cfg,
 335           struct GNUNET_TESTING_Daemon *d, const char *emsg)
 336 {
 337   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
 338   struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
 339   struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
 340   char* alice_keyfile;
 341
 342   cfg = _cfg;
 343
 344   GNUNET_SCHEDULER_cancel (die_task);
 345
 346   /* put records into namestore */
 347   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 348   if (NULL == namestore_handle)
 349   {
 350     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 351     ok = -1;
 352     return;
 353   }
 354
 355   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 356                                                           "ZONEKEY",
 357                                                           &alice_keyfile))
 358   {
 359     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 360     ok = -1;
 361     return;
 362   }
 363
 364   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
 365
 366   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 367
 368   GNUNET_free(alice_keyfile);
 369
 370   bob_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_BOB);
 371
 372   struct GNUNET_NAMESTORE_RecordData rd;
 373   char* ip = TEST_IP_PLUS;
 374   struct in_addr *web = GNUNET_malloc(sizeof(struct in_addr));
 375   rd.expiration_time = UINT64_MAX;
 376   GNUNET_assert(1 == inet_pton (AF_INET, ip, web));
 377   rd.data_size = sizeof(struct in_addr);
 378   rd.data = web;
 379   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 380   rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
 381
 382   GNUNET_NAMESTORE_record_create (namestore_handle,
 383                                   alice_key,
 384                                   TEST_RECORD_NAME_SERVER,
 385                                   &rd,
 386                                   NULL,
 387                                   NULL);
 388
 389   rd.data_size = strlen (TEST_RECORD_CNAME_PLUS);
 390   rd.data = TEST_RECORD_CNAME_PLUS;
 391   rd.record_type = GNUNET_GNS_RECORD_TYPE_CNAME;
 392
 393   GNUNET_NAMESTORE_record_create (namestore_handle,
 394                                   alice_key,
 395                                   TEST_RECORD_NAME_PLUS,
 396                                   &rd,
 397                                   NULL,
 398                                   NULL);
 399
 400   rd.data_size = strlen (TEST_RECORD_CNAME_ZKEY);
 401   rd.data = TEST_RECORD_CNAME_ZKEY;
 402   rd.record_type = GNUNET_GNS_RECORD_TYPE_CNAME;
 403
 404   GNUNET_NAMESTORE_record_create (namestore_handle,
 405                                   alice_key,
 406                                   TEST_RECORD_NAME_ZKEY,
 407                                   &rd,
 408                                   NULL,
 409                                   NULL);
 410
 411   rd.data_size = strlen (TEST_RECORD_CNAME_DNS);
 412   rd.data = TEST_RECORD_CNAME_DNS;
 413   rd.record_type = GNUNET_GNS_RECORD_TYPE_CNAME;
 414
 415   GNUNET_NAMESTORE_record_create (namestore_handle,
 416                                   alice_key,
 417                                   TEST_RECORD_NAME_DNS,
 418                                   &rd,
 419                                   NULL,
 420                                   NULL);
 421
 422   GNUNET_assert(1 == inet_pton (AF_INET, TEST_IP_ZKEY, web));
 423   rd.data_size = sizeof(struct in_addr);
 424   rd.data = web;
 425   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 426
 427   GNUNET_NAMESTORE_record_create (namestore_handle,
 428                                   bob_key,
 429                                   TEST_RECORD_NAME_PLUS,
 430                                   &rd,
 431                                   &commence_testing,
 432                                   NULL);
 433
 434   GNUNET_CRYPTO_rsa_key_free(alice_key);
 435   GNUNET_CRYPTO_rsa_key_free(bob_key);
 436   GNUNET_free(web);
 437
 438 }
 439
 440 static void
 441 run (void *cls, char *const *args, const char *cfgfile,
 442      const struct GNUNET_CONFIGURATION_Handle *c)
 443 {
 444   cfg = c;
 445    /* Get path from configuration file */
 446   if (GNUNET_YES !=
 447       GNUNET_CONFIGURATION_get_value_string (cfg, "paths", "servicehome",
 448                                              &test_directory))
 449   {
 450     ok = 404;
 451     return;
 452   }
 453
 454
 455   /* Set up a task to end testing if peer start fails */
 456   die_task =
 457       GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly,
 458                                     "didn't start all daemons in reasonable amount of time!!!");
 459
 460   /* Start alice */
 461   pg = GNUNET_TESTING_daemons_start(cfg, 1, 1, 1, TIMEOUT,
 462                                     NULL, NULL, &do_lookup, NULL,
 463                                     NULL, NULL, NULL);
 464 }
 465
 466 static int
 467 check ()
 468 {
 469   int ret;
 470
 471   /* Arguments for GNUNET_PROGRAM_run */
 472   char *const argv[] = { "test-gns-simple-lookup", /* Name to give running binary */
 473     "-c",
 474     "test_gns_simple_lookup.conf",       /* Config file to use */
 475 #if VERBOSE
 476     "-L", "DEBUG",
 477 #endif
 478     NULL
 479   };
 480   struct GNUNET_GETOPT_CommandLineOption options[] = {
 481     GNUNET_GETOPT_OPTION_END
 482   };
 483   /* Run the run function as a new program */
 484   ret =
 485       GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
 486                           "test-gns-simple-lookup", "nohelp", options, &run,
 487                           &ok);
 488   if (ret != GNUNET_OK)
 489   {
 490     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
 491                 "`test-gns-simple-lookup': Failed with error code %d\n", ret);
 492   }
 493   return ok;
 494 }
 495
 496 int
 497 main (int argc, char *argv[])
 498 {
 499   int ret;
 500
 501   GNUNET_log_setup ("test-gns-simple-lookup",
 502 #if VERBOSE
 503                     "DEBUG",
 504 #else
 505                     "WARNING",
 506 #endif
 507                     NULL);
 508   ret = check ();
 509   /**
 510    * Need to remove base directory, subdirectories taken care
 511    * of by the testing framework.
 512    */
 513   return ret;
 514 }
 515
 516 /* end of test_gns_twopeer.c */