src/gns/test_gns_cname_lookup.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2012 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  * @author Martin Schanzenbach
  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
  35 /**
  36  * Timeout for entire testcase
  37  */
  38 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 20)
  39
  40 /* test records to resolve */
  41 #define TEST_DOMAIN_PLUS "www.gads"
  42 #define TEST_DOMAIN_ZKEY "www2.gads"
  43 #define TEST_DOMAIN_DNS  "www3.gads"
  44 #define TEST_IP_PLUS "127.0.0.1"
  45 #define TEST_IP_ZKEY "127.0.0.2"
  46 #define TEST_IP_DNS  "131.159.74.67"
  47 #define TEST_RECORD_CNAME_SERVER "server.gads"
  48 #define TEST_RECORD_CNAME_PLUS "server.+"
  49 #define TEST_RECORD_CNAME_ZKEY "www.188JSUMKEF25GVU8TTV0PBNNN8JVCPUEDFV1UHJJU884JD25V0T0.zkey"
  50 #define TEST_RECORD_CNAME_DNS "gnunet.org"
  51 #define TEST_RECORD_NAME_SERVER "server"
  52 #define TEST_RECORD_NAME_PLUS "www"
  53 #define TEST_RECORD_NAME_ZKEY "www2"
  54 #define TEST_RECORD_NAME_DNS "www3"
  55
  56 #define KEYFILE_BOB "zonefiles/188JSUMKEF25GVU8TTV0PBNNN8JVCPUEDFV1UHJJU884JD25V0T0.zkey"
  57
  58
  59 /* Task handle to use to schedule test failure */
  60 static GNUNET_SCHEDULER_TaskIdentifier die_task;
  61
  62 /* Global return value (0 for success, anything else for failure) */
  63 static int ok;
  64
  65 static struct GNUNET_NAMESTORE_Handle *namestore_handle;
  66
  67 static struct GNUNET_GNS_Handle *gns_handle;
  68
  69 static const struct GNUNET_CONFIGURATION_Handle *cfg;
  70
  71
  72 /**
  73  * Check if the get_handle is being used, if so stop the request.  Either
  74  * way, schedule the end_badly_cont function which actually shuts down the
  75  * test.
  76  */
  77 static void
  78 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  79 {
  80   die_task = GNUNET_SCHEDULER_NO_TASK;
  81   if (NULL != gns_handle)
  82   {
  83     GNUNET_GNS_disconnect (gns_handle);
  84     gns_handle = NULL;
  85   }
  86   if (NULL != namestore_handle)
  87   {
  88     GNUNET_NAMESTORE_disconnect (namestore_handle);
  89     namestore_handle = NULL;
  90   }
  91   GNUNET_break (0);
  92   GNUNET_SCHEDULER_shutdown ();
  93   ok = 1;
  94 }
  95
  96
  97 static void
  98 end_badly_now ()
  99 {
 100   GNUNET_SCHEDULER_cancel (die_task);
 101   die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
 102 }
 103
 104
 105 static void
 106 shutdown_task (void *cls,
 107                const struct GNUNET_SCHEDULER_TaskContext *tc)
 108 {
 109   GNUNET_GNS_disconnect (gns_handle);
 110   gns_handle = NULL;
 111   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer!\n");
 112   GNUNET_SCHEDULER_shutdown ();
 113 }
 114
 115
 116 static void
 117 on_lookup_result_cname (void *cls,
 118                         uint32_t rd_count,
 119                         const struct GNUNET_NAMESTORE_RecordData *rd)
 120 {
 121   uint32_t i;
 122
 123   if (GNUNET_SCHEDULER_NO_TASK != die_task)
 124   {
 125       GNUNET_SCHEDULER_cancel (die_task);
 126       die_task = GNUNET_SCHEDULER_NO_TASK;
 127   }
 128   GNUNET_NAMESTORE_disconnect (namestore_handle);
 129   namestore_handle = NULL;
 130   if (rd_count == 0)
 131   {
 132     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 133                 "Lookup failed, rp_filtering?\n");
 134     ok = 2;
 135   }
 136   else
 137   {
 138     ok = 1;
 139     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 140     for (i=0; i<rd_count; i++)
 141     {
 142       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 143       if (rd[i].record_type == GNUNET_GNS_RECORD_CNAME)
 144       {
 145         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "CNAME: %s\n", rd[i].data);
 146         if (0 == strcmp(rd[i].data, TEST_RECORD_CNAME_SERVER))
 147         {
 148           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 149                     "%s correctly resolved to %s!\n", TEST_DOMAIN_PLUS, rd[i].data);
 150           ok = 0;
 151         }
 152       }
 153       else
 154       {
 155         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 156       }
 157     }
 158   }
 159   GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
 160 }
 161
 162
 163 static void
 164 on_lookup_result_dns (void *cls,
 165                       uint32_t rd_count,
 166                       const struct GNUNET_NAMESTORE_RecordData *rd)
 167 {
 168   struct in_addr a;
 169   uint32_t i;
 170   char* addr;
 171
 172   if (rd_count == 0)
 173   {
 174     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 175                 "Lookup failed, rp_filtering?\n");
 176     ok = 2;
 177   }
 178   else
 179   {
 180     ok = 1;
 181     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 182     for (i=0; i<rd_count; i++)
 183     {
 184       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 185       if (rd[i].record_type == GNUNET_GNS_RECORD_A)
 186       {
 187         memcpy(&a, rd[i].data, sizeof(a));
 188         addr = inet_ntoa(a);
 189         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 190         if (0 == strcmp(addr, TEST_IP_DNS))
 191         {
 192           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 193                     "%s correctly resolved to %s!\n", TEST_DOMAIN_DNS, addr);
 194           ok = 0;
 195         }
 196       }
 197       else
 198       {
 199         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 200       }
 201     }
 202   }
 203   GNUNET_GNS_lookup (gns_handle, TEST_DOMAIN_PLUS, GNUNET_GNS_RECORD_CNAME,
 204                      GNUNET_YES,
 205                      NULL,
 206                      &on_lookup_result_cname, TEST_DOMAIN_PLUS);
 207 }
 208
 209
 210 static void
 211 on_lookup_result_zkey (void *cls, uint32_t rd_count,
 212                        const struct GNUNET_NAMESTORE_RecordData *rd)
 213 {
 214   struct in_addr a;
 215   uint32_t i;
 216   char* addr;
 217
 218   if (rd_count == 0)
 219   {
 220     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 221                 "Lookup failed, rp_filtering?\n");
 222     ok = 2;
 223   }
 224   else
 225   {
 226     ok = 1;
 227     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 228                 "name: %s\n", (char*)cls);
 229     for (i=0; i<rd_count; i++)
 230     {
 231       GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 232                   "type: %d\n", rd[i].record_type);
 233       if (rd[i].record_type == GNUNET_GNS_RECORD_A)
 234       {
 235         memcpy (&a, rd[i].data, sizeof(a));
 236         addr = inet_ntoa(a);
 237         GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 238                     "address: %s\n", addr);
 239         if (0 == strcmp (addr, TEST_IP_ZKEY))
 240         {
 241           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 242                       "%s correctly resolved to %s!\n",
 243                       TEST_DOMAIN_ZKEY, addr);
 244           ok = 0;
 245         }
 246       }
 247       else
 248       {
 249         GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 250                     "No resolution!\n");
 251       }
 252     }
 253
 254   GNUNET_GNS_lookup (gns_handle, TEST_DOMAIN_DNS, GNUNET_GNS_RECORD_A,
 255                      GNUNET_YES,
 256                      NULL,
 257                      &on_lookup_result_dns, TEST_DOMAIN_DNS);
 258 }
 259
 260
 261 static void
 262 on_lookup_result_plus (void *cls, uint32_t rd_count,
 263                        const struct GNUNET_NAMESTORE_RecordData *rd)
 264 {
 265   struct in_addr a;
 266   uint32_t i;
 267   char* addr;
 268
 269   if (rd_count == 0)
 270   {
 271     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 272                 "Lookup failed, rp_filtering?\n");
 273     ok = 2;
 274   }
 275   else
 276   {
 277     ok = 1;
 278     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 279     for (i=0; i<rd_count; i++)
 280     {
 281       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 282       if (rd[i].record_type == GNUNET_GNS_RECORD_A)
 283       {
 284         memcpy(&a, rd[i].data, sizeof(a));
 285         addr = inet_ntoa(a);
 286         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 287         if (0 == strcmp(addr, TEST_IP_PLUS))
 288         {
 289           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 290                     "%s correctly resolved to %s!\n", TEST_DOMAIN_PLUS, addr);
 291           ok = 0;
 292         }
 293       }
 294       else
 295       {
 296         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 297       }
 298     }
 299   }
 300   GNUNET_GNS_lookup (gns_handle, TEST_DOMAIN_ZKEY, GNUNET_GNS_RECORD_A,
 301                      GNUNET_YES,
 302                      NULL,
 303                      &on_lookup_result_zkey, TEST_DOMAIN_ZKEY);
 304 }
 305
 306
 307 /**
 308  * Function scheduled to be run on the successful start of services
 309  * tries to look up the dns record for TEST_DOMAIN
 310  *
 311  * @param cls closure
 312  * @param success GNUNET_SYSERR on failure (including timeout/queue drop/failure to validate)
 313  *                GNUNET_NO if content was already there or not found
 314  *                GNUNET_YES (or other positive value) on success
 315  * @param emsg NULL on success, otherwise an error message
 316  */
 317 static void
 318 commence_testing (void *cls, int32_t success, const char *emsg)
 319 {
 320   if (NULL != emsg)
 321   {
 322     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 323                 "Failed to store record in namestore: %s\n",
 324                 emsg);
 325     end_badly_now ();
 326     return;
 327   }
 328   gns_handle = GNUNET_GNS_connect(cfg);
 329   if (NULL == gns_handle)
 330   {
 331     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 332                 "Failed to connect to GNS!\n");
 333     end_badly_now ();
 334     return;
 335   }
 336   GNUNET_GNS_lookup (gns_handle, TEST_DOMAIN_PLUS, GNUNET_GNS_RECORD_A,
 337                      GNUNET_YES,
 338                      NULL,
 339                      &on_lookup_result_plus, TEST_DOMAIN_PLUS);
 340 }
 341
 342
 343 static void
 344 do_check (void *cls,
 345           const struct GNUNET_CONFIGURATION_Handle *ccfg,
 346           struct GNUNET_TESTING_Peer *peer)
 347 {
 348   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
 349   struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
 350   struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
 351   char* alice_keyfile;
 352   struct GNUNET_NAMESTORE_RecordData rd;
 353   const char* ip = TEST_IP_PLUS;
 354   struct in_addr web;
 355
 356   cfg = ccfg;
 357   die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
 358
 359   /* put records into namestore */
 360   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 361   if (NULL == namestore_handle)
 362   {
 363     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 364                 "Failed to connect to namestore\n");
 365     end_badly_now ();
 366     return;
 367   }
 368
 369   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 370                                                           "ZONEKEY",
 371                                                           &alice_keyfile))
 372   {
 373     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 374                 "Failed to get key from cfg\n");
 375     end_badly_now ();
 376     return;
 377   }
 378
 379   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
 380   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 381   GNUNET_free(alice_keyfile);
 382
 383   bob_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_BOB);
 384
 385   rd.expiration_time = UINT64_MAX;
 386   GNUNET_assert(1 == inet_pton (AF_INET, ip, &web));
 387   rd.data_size = sizeof(struct in_addr);
 388   rd.data = &web;
 389   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 390   rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
 391
 392   GNUNET_NAMESTORE_record_create (namestore_handle,
 393                                   alice_key,
 394                                   TEST_RECORD_NAME_SERVER,
 395                                   &rd,
 396                                   NULL,
 397                                   NULL);
 398
 399   rd.data_size = strlen (TEST_RECORD_CNAME_PLUS);
 400   rd.data = TEST_RECORD_CNAME_PLUS;
 401   rd.record_type = GNUNET_GNS_RECORD_CNAME;
 402
 403   GNUNET_NAMESTORE_record_create (namestore_handle,
 404                                   alice_key,
 405                                   TEST_RECORD_NAME_PLUS,
 406                                   &rd,
 407                                   NULL,
 408                                   NULL);
 409
 410   rd.data_size = strlen (TEST_RECORD_CNAME_ZKEY);
 411   rd.data = TEST_RECORD_CNAME_ZKEY;
 412   rd.record_type = GNUNET_GNS_RECORD_CNAME;
 413
 414   GNUNET_NAMESTORE_record_create (namestore_handle,
 415                                   alice_key,
 416                                   TEST_RECORD_NAME_ZKEY,
 417                                   &rd,
 418                                   NULL,
 419                                   NULL);
 420
 421   rd.data_size = strlen (TEST_RECORD_CNAME_DNS);
 422   rd.data = TEST_RECORD_CNAME_DNS;
 423   rd.record_type = GNUNET_GNS_RECORD_CNAME;
 424
 425   GNUNET_NAMESTORE_record_create (namestore_handle,
 426                                   alice_key,
 427                                   TEST_RECORD_NAME_DNS,
 428                                   &rd,
 429                                   NULL,
 430                                   NULL);
 431
 432   GNUNET_assert(1 == inet_pton (AF_INET, TEST_IP_ZKEY, &web));
 433   rd.data_size = sizeof(struct in_addr);
 434   rd.data = &web;
 435   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 436
 437   GNUNET_NAMESTORE_record_create (namestore_handle,
 438                                   bob_key,
 439                                   TEST_RECORD_NAME_PLUS,
 440                                   &rd,
 441                                   &commence_testing,
 442                                   NULL);
 443   GNUNET_CRYPTO_rsa_key_free(alice_key);
 444   GNUNET_CRYPTO_rsa_key_free(bob_key);
 445 }
 446
 447
 448 int
 449 main (int argc, char *argv[])
 450 {
 451   ok = 1;
 452
 453   GNUNET_log_setup ("test-gns-simple-cname-lookup",
 454                     "WARNING",
 455                     NULL);
 456   GNUNET_TESTING_peer_run ("test-gns-simple-cname-lookup", "test_gns_simple_lookup.conf", &do_check, NULL);
 457   return ok;
 458 }
 459
 460 /* end of test_gns_cname_lookup.c */