src/gns/test_gns_simple_mx_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_simple_mx_lookup.c
  22  * @brief base testcase for testing GNS MX lookups
  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 "../namestore/namestore.h"
  32 #include "gnunet_dnsparser_lib.h"
  33 #include "gnunet_gns_service.h"
  34
  35 /* DEFINES */
  36 #define VERBOSE GNUNET_YES
  37
  38 /* Timeout for entire testcase */
  39 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 5)
  40
  41 /* If number of peers not in config file, use this number */
  42 #define DEFAULT_NUM_PEERS 2
  43
  44 /* test records to resolve */
  45 #define TEST_DOMAIN "bob.gnunet"
  46 #define TEST_IP "127.0.0.1"
  47 #define TEST_RECORD_NAME "mail"
  48 #define TEST_MX_NAME "mail.+"
  49 #define TEST_EXPECTED_MX "mail.bob.gnunet"
  50
  51 #define TEST_AUTHORITY_NAME "bob"
  52
  53 /* Globals */
  54
  55 /**
  56  * Directory to store temp data in, defined in config file
  57  */
  58 static char *test_directory;
  59
  60 struct GNUNET_TESTING_Daemon *d1;
  61
  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 whether peers successfully shut down.
  77  */
  78 void
  79 shutdown_callback (void *cls, const char *emsg)
  80 {
  81   if (emsg != NULL)
  82   {
  83     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error on shutdown! ret=%d\n", ok);
  84     if (ok == 0)
  85       ok = 2;
  86   }
  87
  88   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "done(ret=%d)!\n", ok);
  89 }
  90
  91 static void
  92 on_lookup_result(void *cls, uint32_t rd_count,
  93                  const struct GNUNET_NAMESTORE_RecordData *rd)
  94 {
  95   struct in_addr a;
  96   int i;
  97   char* addr;
  98   int mx_found = 0;
  99   int ip_found = 0;
 100   char* mx;
 101
 102   if (rd_count == 0)
 103   {
 104     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 105                 "Lookup failed, rp_filtering?\n");
 106     ok = 2;
 107   }
 108   else
 109   {
 110     ok = 1;
 111     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 112     for (i=0; i<rd_count; i++)
 113     {
 114       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 115       if (rd[i].record_type == GNUNET_GNS_RECORD_TYPE_A)
 116       {
 117         memcpy(&a, rd[i].data, sizeof(a));
 118         addr = inet_ntoa(a);
 119         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 120         if (0 == strcmp(addr, TEST_IP))
 121         {
 122           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 123                     "%s correctly resolved to %s!\n", TEST_DOMAIN, addr);
 124           ip_found = 1;
 125         }
 126       }
 127       else if (rd[i].record_type == GNUNET_GNS_RECORD_MX)
 128       {
 129         mx = (char*)rd[i].data;
 130         if (0 == strcmp(mx, TEST_EXPECTED_MX))
 131         {
 132           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 133                       "%s correctly resolved to %s!\n", TEST_DOMAIN,
 134                       TEST_EXPECTED_MX);
 135           mx_found = 1;
 136         }
 137       }
 138     }
 139   }
 140
 141   if (ip_found && mx_found)
 142   {
 143     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 144                 "Test succeeded!\n");
 145     ok = 0;
 146   }
 147
 148   if (!ip_found && mx_found)
 149   {
 150     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
 151   "Test partially succeeded: A record not passed along!(NOT IMPLEMENTED)\n");
 152     ok = 0;
 153   }
 154
 155   GNUNET_GNS_disconnect(gns_handle);
 156   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer1!\n");
 157   GNUNET_TESTING_daemon_stop (d1, TIMEOUT, &shutdown_callback, NULL,
 158                               GNUNET_YES, GNUNET_NO);
 159 }
 160
 161
 162 /**
 163  * Function scheduled to be run on the successful start of services
 164  * tries to look up the dns record for TEST_DOMAIN
 165  */
 166 static void
 167 commence_testing (void *cls, int32_t success, const char *emsg)
 168 {
 169   GNUNET_NAMESTORE_disconnect(namestore_handle, GNUNET_YES);
 170
 171   gns_handle = GNUNET_GNS_connect(cfg);
 172
 173   if (NULL == gns_handle)
 174   {
 175     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 176                 "Failed to connect to GNS!\n");
 177   }
 178
 179   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN, GNUNET_GNS_RECORD_MX,
 180                     &on_lookup_result, TEST_DOMAIN);
 181 }
 182
 183 /**
 184  * Continuation for the GNUNET_DHT_get_stop call, so that we don't shut
 185  * down the peers without freeing memory associated with GET request.
 186  */
 187 static void
 188 end_badly_cont (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 189 {
 190
 191   if (d1 != NULL)
 192     GNUNET_TESTING_daemon_stop (d1, TIMEOUT, &shutdown_callback, NULL,
 193                                 GNUNET_YES, GNUNET_NO);
 194   GNUNET_SCHEDULER_cancel (die_task);
 195 }
 196
 197 /**
 198  * Check if the get_handle is being used, if so stop the request.  Either
 199  * way, schedule the end_badly_cont function which actually shuts down the
 200  * test.
 201  */
 202 static void
 203 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 204 {
 205   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failing test with error: `%s'!\n",
 206               (char *) cls);
 207   GNUNET_SCHEDULER_add_now (&end_badly_cont, NULL);
 208   ok = 1;
 209 }
 210
 211 static void
 212 do_lookup(void *cls, const struct GNUNET_PeerIdentity *id,
 213           const struct GNUNET_CONFIGURATION_Handle *cfg,
 214           struct GNUNET_TESTING_Daemon *d, const char *emsg)
 215 {
 216   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
 217   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded bob_pkey;
 218   struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
 219   struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
 220   GNUNET_HashCode bob_hash;
 221   struct GNUNET_CRYPTO_RsaSignature *sig;
 222   char* alice_keyfile;
 223
 224   GNUNET_SCHEDULER_cancel (die_task);
 225
 226   /* put records into namestore */
 227   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 228   if (NULL == namestore_handle)
 229   {
 230     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 231     ok = -1;
 232     return;
 233   }
 234
 235   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 236                                                           "ZONEKEY",
 237                                                           &alice_keyfile))
 238   {
 239     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 240     ok = -1;
 241     return;
 242   }
 243
 244   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
 245   bob_key = GNUNET_CRYPTO_rsa_key_create ();
 246
 247   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 248   GNUNET_CRYPTO_rsa_key_get_public (bob_key, &bob_pkey);
 249
 250   struct GNUNET_NAMESTORE_RecordData rd;
 251   char* ip = TEST_IP;
 252   struct in_addr *mail = GNUNET_malloc(sizeof(struct in_addr));
 253   rd.expiration = GNUNET_TIME_absolute_get_forever ();
 254   GNUNET_assert(1 == inet_pton (AF_INET, ip, mail));
 255
 256   GNUNET_CRYPTO_hash(&bob_pkey, sizeof(bob_pkey), &bob_hash);
 257
 258   rd.data_size = sizeof(GNUNET_HashCode);
 259   rd.data = &bob_hash;
 260   rd.record_type = GNUNET_GNS_RECORD_PKEY;
 261
 262   GNUNET_NAMESTORE_record_create (namestore_handle,
 263                                   alice_key,
 264                                   TEST_AUTHORITY_NAME,
 265                                   &rd,
 266                                   NULL,
 267                                   NULL);
 268
 269   rd.data_size = sizeof(struct in_addr);
 270   rd.data = mail;
 271   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 272   sig = GNUNET_NAMESTORE_create_signature(bob_key,
 273                                           GNUNET_TIME_absolute_get_forever(),
 274                                           TEST_RECORD_NAME,
 275                                           &rd, 1);
 276
 277   GNUNET_NAMESTORE_record_put (namestore_handle,
 278                                &bob_pkey,
 279                                TEST_RECORD_NAME,
 280                                rd.expiration,
 281                                1,
 282                                &rd,
 283                                sig,
 284                                NULL,
 285                                NULL);
 286
 287   rd.data_size = strlen(TEST_MX_NAME)+1;
 288   rd.data = TEST_MX_NAME;
 289   rd.record_type = GNUNET_GNS_RECORD_MX;
 290   sig = GNUNET_NAMESTORE_create_signature(bob_key,
 291                                           GNUNET_TIME_absolute_get_forever(),
 292                                           "+",
 293                                           &rd, 1);
 294   GNUNET_NAMESTORE_record_put (namestore_handle,
 295                                &bob_pkey,
 296                                "+",
 297                                rd.expiration,
 298                                1,
 299                                &rd,
 300                                sig,
 301                                &commence_testing,
 302                                NULL);
 303   GNUNET_free(mail);
 304   GNUNET_free(sig);
 305   GNUNET_CRYPTO_rsa_key_free(bob_key);
 306   GNUNET_CRYPTO_rsa_key_free(alice_key);
 307 }
 308
 309 static void
 310 run (void *cls, char *const *args, const char *cfgfile,
 311      const struct GNUNET_CONFIGURATION_Handle *c)
 312 {
 313   cfg = c;
 314    /* Get path from configuration file */
 315   if (GNUNET_YES !=
 316       GNUNET_CONFIGURATION_get_value_string (cfg, "paths", "servicehome",
 317                                              &test_directory))
 318   {
 319     ok = 404;
 320     return;
 321   }
 322
 323
 324   /* Set up a task to end testing if peer start fails */
 325   die_task =
 326       GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly,
 327                                     "didn't start all daemons in reasonable amount of time!!!");
 328
 329   /* Start alice */
 330   d1 = GNUNET_TESTING_daemon_start(cfg, TIMEOUT, GNUNET_NO, NULL, NULL, 0,
 331                                    NULL, NULL, NULL, &do_lookup, NULL);
 332 }
 333
 334 static int
 335 check ()
 336 {
 337   int ret;
 338
 339   /* Arguments for GNUNET_PROGRAM_run */
 340   char *const argv[] = { "test-gns-simple-delegated-lookup", /* Name to give running binary */
 341     "-c",
 342     "test_gns_simple_lookup.conf",       /* Config file to use */
 343 #if VERBOSE
 344     "-L", "DEBUG",
 345 #endif
 346     NULL
 347   };
 348   struct GNUNET_GETOPT_CommandLineOption options[] = {
 349     GNUNET_GETOPT_OPTION_END
 350   };
 351   /* Run the run function as a new program */
 352   ret =
 353       GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
 354                           "test-gns-simple-delegated-lookup", "nohelp", options, &run,
 355                           &ok);
 356   if (ret != GNUNET_OK)
 357   {
 358     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
 359                 "`test-gns-simple-delegated-lookup': Failed with error code %d\n", ret);
 360   }
 361   return ok;
 362 }
 363
 364 int
 365 main (int argc, char *argv[])
 366 {
 367   int ret;
 368
 369   GNUNET_log_setup ("test-gns-simple-lookup",
 370 #if VERBOSE
 371                     "DEBUG",
 372 #else
 373                     "WARNING",
 374 #endif
 375                     NULL);
 376   ret = check ();
 377   /**
 378    * Need to remove base directory, subdirectories taken care
 379    * of by the testing framework.
 380    */
 381   return ret;
 382 }
 383
 384 /* end of test_gns_twopeer.c */