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 static void shutdown_task (void *cls,
 108                            const struct GNUNET_SCHEDULER_TaskContext *tc)
 109 {
 110   GNUNET_GNS_disconnect(gns_handle);
 111   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer!\n");
 112   GNUNET_SCHEDULER_shutdown ();
 113 }
 114
 115 static void
 116 on_lookup_result_cname (void *cls, uint32_t rd_count,
 117                  const struct GNUNET_NAMESTORE_RecordData *rd)
 118 {
 119   int i;
 120
 121   if (GNUNET_SCHEDULER_NO_TASK != die_task)
 122   {
 123       GNUNET_SCHEDULER_cancel (die_task);
 124       die_task = GNUNET_SCHEDULER_NO_TASK;
 125   }
 126
 127   GNUNET_NAMESTORE_disconnect (namestore_handle);
 128   namestore_handle = NULL;
 129   if (rd_count == 0)
 130   {
 131     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 132                 "Lookup failed, rp_filtering?\n");
 133     ok = 2;
 134   }
 135   else
 136   {
 137     ok = 1;
 138     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 139     for (i=0; i<rd_count; i++)
 140     {
 141       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 142       if (rd[i].record_type == GNUNET_GNS_RECORD_CNAME)
 143       {
 144         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CNAME: %s\n", rd[i].data);
 145         if (0 == strcmp(rd[i].data, TEST_RECORD_CNAME_SERVER))
 146         {
 147           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 148                     "%s correctly resolved to %s!\n", TEST_DOMAIN_PLUS, rd[i].data);
 149           ok = 0;
 150         }
 151       }
 152       else
 153       {
 154         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 155       }
 156     }
 157   }
 158   GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
 159 }
 160
 161 static void
 162 on_lookup_result_dns (void *cls, uint32_t rd_count,
 163                  const struct GNUNET_NAMESTORE_RecordData *rd)
 164 {
 165   struct in_addr a;
 166   int i;
 167   char* addr;
 168
 169   if (rd_count == 0)
 170   {
 171     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 172                 "Lookup failed, rp_filtering?\n");
 173     ok = 2;
 174   }
 175   else
 176   {
 177     ok = 1;
 178     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 179     for (i=0; i<rd_count; i++)
 180     {
 181       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 182       if (rd[i].record_type == GNUNET_GNS_RECORD_A)
 183       {
 184         memcpy(&a, rd[i].data, sizeof(a));
 185         addr = inet_ntoa(a);
 186         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 187         if (0 == strcmp(addr, TEST_IP_DNS))
 188         {
 189           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 190                     "%s correctly resolved to %s!\n", TEST_DOMAIN_DNS, addr);
 191           ok = 0;
 192         }
 193       }
 194       else
 195       {
 196         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 197       }
 198     }
 199   }
 200
 201   GNUNET_GNS_lookup (gns_handle, TEST_DOMAIN_PLUS, GNUNET_GNS_RECORD_CNAME,
 202                      GNUNET_YES,
 203                      NULL,
 204                      &on_lookup_result_cname, TEST_DOMAIN_PLUS);
 205 }
 206
 207 static void
 208 on_lookup_result_zkey (void *cls, uint32_t rd_count,
 209                  const struct GNUNET_NAMESTORE_RecordData *rd)
 210 {
 211   struct in_addr a;
 212   int i;
 213   char* addr;
 214
 215   if (rd_count == 0)
 216   {
 217     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 218                 "Lookup failed, rp_filtering?\n");
 219     ok = 2;
 220   }
 221   else
 222   {
 223     ok = 1;
 224     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 225     for (i=0; i<rd_count; i++)
 226     {
 227       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 228       if (rd[i].record_type == GNUNET_GNS_RECORD_A)
 229       {
 230         memcpy(&a, rd[i].data, sizeof(a));
 231         addr = inet_ntoa(a);
 232         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 233         if (0 == strcmp(addr, TEST_IP_ZKEY))
 234         {
 235           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 236                     "%s correctly resolved to %s!\n", TEST_DOMAIN_ZKEY, addr);
 237           ok = 0;
 238         }
 239       }
 240       else
 241       {
 242         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 243       }
 244     }
 245   }
 246
 247   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN_DNS, GNUNET_GNS_RECORD_A,
 248                     GNUNET_YES,
 249                     NULL,
 250                     &on_lookup_result_dns, TEST_DOMAIN_DNS);
 251 }
 252
 253 static void
 254 on_lookup_result_plus (void *cls, uint32_t rd_count,
 255                  const struct GNUNET_NAMESTORE_RecordData *rd)
 256 {
 257   struct in_addr a;
 258   int i;
 259   char* addr;
 260
 261   if (rd_count == 0)
 262   {
 263     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 264                 "Lookup failed, rp_filtering?\n");
 265     ok = 2;
 266   }
 267   else
 268   {
 269     ok = 1;
 270     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 271     for (i=0; i<rd_count; i++)
 272     {
 273       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 274       if (rd[i].record_type == GNUNET_GNS_RECORD_A)
 275       {
 276         memcpy(&a, rd[i].data, sizeof(a));
 277         addr = inet_ntoa(a);
 278         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 279         if (0 == strcmp(addr, TEST_IP_PLUS))
 280         {
 281           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 282                     "%s correctly resolved to %s!\n", TEST_DOMAIN_PLUS, addr);
 283           ok = 0;
 284         }
 285       }
 286       else
 287       {
 288         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 289       }
 290     }
 291   }
 292
 293   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN_ZKEY, GNUNET_GNS_RECORD_A,
 294                     GNUNET_YES,
 295                     NULL,
 296                     &on_lookup_result_zkey, TEST_DOMAIN_ZKEY);
 297 }
 298
 299 /**
 300  * Function scheduled to be run on the successful start of services
 301  * tries to look up the dns record for TEST_DOMAIN
 302  */
 303 static void
 304 commence_testing (void *cls, int32_t success, const char *emsg)
 305 {
 306   gns_handle = GNUNET_GNS_connect(cfg);
 307   if (NULL == gns_handle)
 308   {
 309     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 310                 "Failed to connect to GNS!\n");
 311     end_badly_now ();
 312     return;
 313   }
 314
 315   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN_PLUS, GNUNET_GNS_RECORD_A,
 316                     GNUNET_YES,
 317                     NULL,
 318                     &on_lookup_result_plus, TEST_DOMAIN_PLUS);
 319 }
 320
 321
 322 static void
 323 do_check (void *cls,
 324           const struct GNUNET_CONFIGURATION_Handle *ccfg,
 325           struct GNUNET_TESTING_Peer *peer)
 326 {
 327   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
 328   struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
 329   struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
 330   char* alice_keyfile;
 331
 332   cfg = ccfg;
 333   die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
 334
 335
 336   /* put records into namestore */
 337   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 338   if (NULL == namestore_handle)
 339   {
 340     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 341     end_badly_now ();
 342     return;
 343   }
 344
 345   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 346                                                           "ZONEKEY",
 347                                                           &alice_keyfile))
 348   {
 349     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 350     end_badly_now ();
 351     return;
 352   }
 353
 354   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
 355
 356   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 357
 358   GNUNET_free(alice_keyfile);
 359
 360   bob_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_BOB);
 361
 362   struct GNUNET_NAMESTORE_RecordData rd;
 363   char* ip = TEST_IP_PLUS;
 364   struct in_addr *web = GNUNET_malloc(sizeof(struct in_addr));
 365   rd.expiration_time = UINT64_MAX;
 366   GNUNET_assert(1 == inet_pton (AF_INET, ip, web));
 367   rd.data_size = sizeof(struct in_addr);
 368   rd.data = web;
 369   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 370   rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
 371
 372   GNUNET_NAMESTORE_record_create (namestore_handle,
 373                                   alice_key,
 374                                   TEST_RECORD_NAME_SERVER,
 375                                   &rd,
 376                                   NULL,
 377                                   NULL);
 378
 379   rd.data_size = strlen (TEST_RECORD_CNAME_PLUS);
 380   rd.data = TEST_RECORD_CNAME_PLUS;
 381   rd.record_type = GNUNET_GNS_RECORD_CNAME;
 382
 383   GNUNET_NAMESTORE_record_create (namestore_handle,
 384                                   alice_key,
 385                                   TEST_RECORD_NAME_PLUS,
 386                                   &rd,
 387                                   NULL,
 388                                   NULL);
 389
 390   rd.data_size = strlen (TEST_RECORD_CNAME_ZKEY);
 391   rd.data = TEST_RECORD_CNAME_ZKEY;
 392   rd.record_type = GNUNET_GNS_RECORD_CNAME;
 393
 394   GNUNET_NAMESTORE_record_create (namestore_handle,
 395                                   alice_key,
 396                                   TEST_RECORD_NAME_ZKEY,
 397                                   &rd,
 398                                   NULL,
 399                                   NULL);
 400
 401   rd.data_size = strlen (TEST_RECORD_CNAME_DNS);
 402   rd.data = TEST_RECORD_CNAME_DNS;
 403   rd.record_type = GNUNET_GNS_RECORD_CNAME;
 404
 405   GNUNET_NAMESTORE_record_create (namestore_handle,
 406                                   alice_key,
 407                                   TEST_RECORD_NAME_DNS,
 408                                   &rd,
 409                                   NULL,
 410                                   NULL);
 411
 412   GNUNET_assert(1 == inet_pton (AF_INET, TEST_IP_ZKEY, web));
 413   rd.data_size = sizeof(struct in_addr);
 414   rd.data = web;
 415   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 416
 417   GNUNET_NAMESTORE_record_create (namestore_handle,
 418                                   bob_key,
 419                                   TEST_RECORD_NAME_PLUS,
 420                                   &rd,
 421                                   &commence_testing,
 422                                   NULL);
 423
 424   GNUNET_CRYPTO_rsa_key_free(alice_key);
 425   GNUNET_CRYPTO_rsa_key_free(bob_key);
 426   GNUNET_free(web);
 427
 428 }
 429
 430 int
 431 main (int argc, char *argv[])
 432 {
 433   ok = 1;
 434
 435   GNUNET_log_setup ("test-gns-simple-cname-lookup",
 436 #if VERBOSE
 437                     "DEBUG",
 438 #else
 439                     "WARNING",
 440 #endif
 441                     NULL);
 442   GNUNET_TESTING_peer_run ("test-gns-simple-cname-lookup", "test_gns_simple_lookup.conf", &do_check, NULL);
 443   return ok;
 444 }
 445
 446 /* end of test_gns_simple_cname_lookup.c */