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-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_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.gads"
  45 #define TEST_DOMAIN_ZKEY "www2.gads"
  46 #define TEST_DOMAIN_DNS  "www3.gads"
  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.gads"
  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 /* Task handle to use to schedule test failure */
  64 GNUNET_SCHEDULER_TaskIdentifier die_task;
  65
  66 /* Global return value (0 for success, anything else for failure) */
  67 static int ok;
  68
  69 static struct GNUNET_NAMESTORE_Handle *namestore_handle;
  70
  71 static struct GNUNET_GNS_Handle *gns_handle;
  72
  73 const struct GNUNET_CONFIGURATION_Handle *cfg;
  74
  75 /**
  76  * Check if the get_handle is being used, if so stop the request.  Either
  77  * way, schedule the end_badly_cont function which actually shuts down the
  78  * test.
  79  */
  80 static void
  81 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  82 {
  83   die_task = GNUNET_SCHEDULER_NO_TASK;
  84   if (NULL != gns_handle)
  85   {
  86     GNUNET_GNS_disconnect(gns_handle);
  87     gns_handle = NULL;
  88   }
  89
  90   if (NULL != namestore_handle)
  91   {
  92     GNUNET_NAMESTORE_disconnect (namestore_handle);
  93     namestore_handle = NULL;
  94   }
  95   GNUNET_break (0);
  96   GNUNET_SCHEDULER_shutdown ();
  97   ok = 1;
  98 }
  99
 100 static void
 101 end_badly_now ()
 102 {
 103   GNUNET_SCHEDULER_cancel (die_task);
 104   die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
 105 }
 106
 107
 108 static void
 109 on_lookup_result_cname (void *cls, uint32_t rd_count,
 110                  const struct GNUNET_NAMESTORE_RecordData *rd)
 111 {
 112   int i;
 113
 114   if (GNUNET_SCHEDULER_NO_TASK != die_task)
 115   {
 116       GNUNET_SCHEDULER_cancel (die_task);
 117       die_task = GNUNET_SCHEDULER_NO_TASK;
 118   }
 119
 120   GNUNET_NAMESTORE_disconnect (namestore_handle);
 121   namestore_handle = NULL;
 122   if (rd_count == 0)
 123   {
 124     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 125                 "Lookup failed, rp_filtering?\n");
 126     ok = 2;
 127   }
 128   else
 129   {
 130     ok = 1;
 131     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 132     for (i=0; i<rd_count; i++)
 133     {
 134       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 135       if (rd[i].record_type == GNUNET_GNS_RECORD_CNAME)
 136       {
 137         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CNAME: %s\n", rd[i].data);
 138         if (0 == strcmp(rd[i].data, TEST_RECORD_CNAME_SERVER))
 139         {
 140           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 141                     "%s correctly resolved to %s!\n", TEST_DOMAIN_PLUS, rd[i].data);
 142           ok = 0;
 143         }
 144       }
 145       else
 146       {
 147         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 148       }
 149     }
 150   }
 151   GNUNET_GNS_disconnect(gns_handle);
 152   gns_handle = NULL;
 153   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer!\n");
 154   GNUNET_SCHEDULER_shutdown ();
 155 }
 156
 157 static void
 158 on_lookup_result_dns (void *cls, uint32_t rd_count,
 159                  const struct GNUNET_NAMESTORE_RecordData *rd)
 160 {
 161   struct in_addr a;
 162   int i;
 163   char* addr;
 164
 165   if (rd_count == 0)
 166   {
 167     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 168                 "Lookup failed, rp_filtering?\n");
 169     ok = 2;
 170   }
 171   else
 172   {
 173     ok = 1;
 174     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 175     for (i=0; i<rd_count; i++)
 176     {
 177       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 178       if (rd[i].record_type == GNUNET_GNS_RECORD_A)
 179       {
 180         memcpy(&a, rd[i].data, sizeof(a));
 181         addr = inet_ntoa(a);
 182         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 183         if (0 == strcmp(addr, TEST_IP_DNS))
 184         {
 185           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 186                     "%s correctly resolved to %s!\n", TEST_DOMAIN_DNS, addr);
 187           ok = 0;
 188         }
 189       }
 190       else
 191       {
 192         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 193       }
 194     }
 195   }
 196
 197   GNUNET_GNS_lookup (gns_handle, TEST_DOMAIN_PLUS, GNUNET_GNS_RECORD_CNAME,
 198                      GNUNET_YES,
 199                      NULL,
 200                      &on_lookup_result_cname, TEST_DOMAIN_PLUS);
 201 }
 202
 203 static void
 204 on_lookup_result_zkey (void *cls, uint32_t rd_count,
 205                  const struct GNUNET_NAMESTORE_RecordData *rd)
 206 {
 207   struct in_addr a;
 208   int i;
 209   char* addr;
 210
 211   if (rd_count == 0)
 212   {
 213     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 214                 "Lookup failed, rp_filtering?\n");
 215     ok = 2;
 216   }
 217   else
 218   {
 219     ok = 1;
 220     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 221     for (i=0; i<rd_count; i++)
 222     {
 223       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 224       if (rd[i].record_type == GNUNET_GNS_RECORD_A)
 225       {
 226         memcpy(&a, rd[i].data, sizeof(a));
 227         addr = inet_ntoa(a);
 228         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 229         if (0 == strcmp(addr, TEST_IP_ZKEY))
 230         {
 231           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 232                     "%s correctly resolved to %s!\n", TEST_DOMAIN_ZKEY, addr);
 233           ok = 0;
 234         }
 235       }
 236       else
 237       {
 238         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 239       }
 240     }
 241   }
 242
 243   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN_DNS, GNUNET_GNS_RECORD_A,
 244                     GNUNET_YES,
 245                     NULL,
 246                     &on_lookup_result_dns, TEST_DOMAIN_DNS);
 247 }
 248
 249 static void
 250 on_lookup_result_plus (void *cls, uint32_t rd_count,
 251                  const struct GNUNET_NAMESTORE_RecordData *rd)
 252 {
 253   struct in_addr a;
 254   int i;
 255   char* addr;
 256
 257   if (rd_count == 0)
 258   {
 259     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 260                 "Lookup failed, rp_filtering?\n");
 261     ok = 2;
 262   }
 263   else
 264   {
 265     ok = 1;
 266     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 267     for (i=0; i<rd_count; i++)
 268     {
 269       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 270       if (rd[i].record_type == GNUNET_GNS_RECORD_A)
 271       {
 272         memcpy(&a, rd[i].data, sizeof(a));
 273         addr = inet_ntoa(a);
 274         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 275         if (0 == strcmp(addr, TEST_IP_PLUS))
 276         {
 277           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 278                     "%s correctly resolved to %s!\n", TEST_DOMAIN_PLUS, addr);
 279           ok = 0;
 280         }
 281       }
 282       else
 283       {
 284         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 285       }
 286     }
 287   }
 288
 289   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN_ZKEY, GNUNET_GNS_RECORD_A,
 290                     GNUNET_YES,
 291                     NULL,
 292                     &on_lookup_result_zkey, TEST_DOMAIN_ZKEY);
 293 }
 294
 295 /**
 296  * Function scheduled to be run on the successful start of services
 297  * tries to look up the dns record for TEST_DOMAIN
 298  */
 299 static void
 300 commence_testing (void *cls, int32_t success, const char *emsg)
 301 {
 302   gns_handle = GNUNET_GNS_connect(cfg);
 303   if (NULL == gns_handle)
 304   {
 305     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 306                 "Failed to connect to GNS!\n");
 307     end_badly_now ();
 308     return;
 309   }
 310
 311   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN_PLUS, GNUNET_GNS_RECORD_A,
 312                     GNUNET_YES,
 313                     NULL,
 314                     &on_lookup_result_plus, TEST_DOMAIN_PLUS);
 315 }
 316
 317
 318 static void
 319 do_check (void *cls,
 320           const struct GNUNET_CONFIGURATION_Handle *ccfg,
 321           struct GNUNET_TESTING_Peer *peer)
 322 {
 323   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
 324   struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
 325   struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
 326   char* alice_keyfile;
 327
 328   cfg = ccfg;
 329   die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
 330
 331
 332   /* put records into namestore */
 333   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 334   if (NULL == namestore_handle)
 335   {
 336     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 337     end_badly_now ();
 338     return;
 339   }
 340
 341   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 342                                                           "ZONEKEY",
 343                                                           &alice_keyfile))
 344   {
 345     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 346     end_badly_now ();
 347     return;
 348   }
 349
 350   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
 351
 352   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 353
 354   GNUNET_free(alice_keyfile);
 355
 356   bob_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_BOB);
 357
 358   struct GNUNET_NAMESTORE_RecordData rd;
 359   char* ip = TEST_IP_PLUS;
 360   struct in_addr *web = GNUNET_malloc(sizeof(struct in_addr));
 361   rd.expiration_time = UINT64_MAX;
 362   GNUNET_assert(1 == inet_pton (AF_INET, ip, web));
 363   rd.data_size = sizeof(struct in_addr);
 364   rd.data = web;
 365   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 366   rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
 367
 368   GNUNET_NAMESTORE_record_create (namestore_handle,
 369                                   alice_key,
 370                                   TEST_RECORD_NAME_SERVER,
 371                                   &rd,
 372                                   NULL,
 373                                   NULL);
 374
 375   rd.data_size = strlen (TEST_RECORD_CNAME_PLUS);
 376   rd.data = TEST_RECORD_CNAME_PLUS;
 377   rd.record_type = GNUNET_GNS_RECORD_CNAME;
 378
 379   GNUNET_NAMESTORE_record_create (namestore_handle,
 380                                   alice_key,
 381                                   TEST_RECORD_NAME_PLUS,
 382                                   &rd,
 383                                   NULL,
 384                                   NULL);
 385
 386   rd.data_size = strlen (TEST_RECORD_CNAME_ZKEY);
 387   rd.data = TEST_RECORD_CNAME_ZKEY;
 388   rd.record_type = GNUNET_GNS_RECORD_CNAME;
 389
 390   GNUNET_NAMESTORE_record_create (namestore_handle,
 391                                   alice_key,
 392                                   TEST_RECORD_NAME_ZKEY,
 393                                   &rd,
 394                                   NULL,
 395                                   NULL);
 396
 397   rd.data_size = strlen (TEST_RECORD_CNAME_DNS);
 398   rd.data = TEST_RECORD_CNAME_DNS;
 399   rd.record_type = GNUNET_GNS_RECORD_CNAME;
 400
 401   GNUNET_NAMESTORE_record_create (namestore_handle,
 402                                   alice_key,
 403                                   TEST_RECORD_NAME_DNS,
 404                                   &rd,
 405                                   NULL,
 406                                   NULL);
 407
 408   GNUNET_assert(1 == inet_pton (AF_INET, TEST_IP_ZKEY, web));
 409   rd.data_size = sizeof(struct in_addr);
 410   rd.data = web;
 411   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 412
 413   GNUNET_NAMESTORE_record_create (namestore_handle,
 414                                   bob_key,
 415                                   TEST_RECORD_NAME_PLUS,
 416                                   &rd,
 417                                   &commence_testing,
 418                                   NULL);
 419
 420   GNUNET_CRYPTO_rsa_key_free(alice_key);
 421   GNUNET_CRYPTO_rsa_key_free(bob_key);
 422   GNUNET_free(web);
 423
 424 }
 425
 426 int
 427 main (int argc, char *argv[])
 428 {
 429   ok = 1;
 430
 431   GNUNET_log_setup ("test-gns-simple-cname-lookup",
 432 #if VERBOSE
 433                     "DEBUG",
 434 #else
 435                     "WARNING",
 436 #endif
 437                     NULL);
 438   GNUNET_TESTING_peer_run ("test-gns-simple-cname-lookup", "test_gns_simple_lookup.conf", &do_check, NULL);
 439   return ok;
 440 }
 441
 442 /* end of test_gns_simple_cname_lookup.c */