src/gns/test_gns_max_queries.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_max_queries.c
  22  * @brief base testcase for testing GNS background queries
  23  * in particular query replacement and clean shutdown
  24  */
  25 #include "platform.h"
  26 #include "gnunet_testing_lib.h"
  27 #include "gnunet_core_service.h"
  28 #include "block_dns.h"
  29 #include "gns.h"
  30 #include "gnunet_signatures.h"
  31 #include "gnunet_namestore_service.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, 20)
  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 "www.gnunet"
  46 #define TEST_DOMAIN_NACK "doesnotexist.bob.gnunet"
  47 #define TEST_IP "127.0.0.1"
  48 #define TEST_RECORD_NAME "www"
  49 #define TEST_ADDITIONAL_LOOKUPS 5
  50 #define TEST_AUTHORITY_NAME "bob"
  51
  52 #define KEYFILE_BOB "../namestore/zonefiles/HGU0A0VCU334DN7F2I9UIUMVQMM7JMSD142LIMNUGTTV9R0CF4EG.zkey"
  53
  54 /* Globals */
  55
  56 /**
  57  * Directory to store temp data in, defined in config file
  58  */
  59 static char *test_directory;
  60
  61 static struct GNUNET_TESTING_PeerGroup *pg;
  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 static unsigned long long max_parallel_lookups;
  76
  77 /**
  78  * Check whether peers successfully shut down.
  79  */
  80 void
  81 shutdown_callback (void *cls, const char *emsg)
  82 {
  83   if (emsg != NULL)
  84   {
  85     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error on shutdown! ret=%d\n", ok);
  86     if (ok == 0)
  87       ok = 2;
  88   }
  89
  90   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "done(ret=%d)!\n", ok);
  91 }
  92
  93 static void
  94 on_lookup_result_dummy(void *cls, uint32_t rd_count,
  95                        const struct GNUNET_NAMESTORE_RecordData *rd)
  96 {
  97   if (rd_count != 0)
  98   {
  99     GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
 100                "Got %d results from dummy lookup! Wanted: 0\n",
 101                rd_count);
 102     ok = -1;
 103   }
 104 }
 105
 106 static void
 107 on_lookup_result(void *cls, uint32_t rd_count,
 108                  const struct GNUNET_NAMESTORE_RecordData *rd)
 109 {
 110   struct in_addr a;
 111   int i;
 112   char* addr;
 113
 114   GNUNET_NAMESTORE_disconnect (namestore_handle);
 115   if (rd_count == 0)
 116   {
 117     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 118                 "Lookup failed, rp_filtering?\n");
 119     ok = 2;
 120   }
 121   else
 122   {
 123     ok = 1;
 124     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 125     for (i=0; i<rd_count; i++)
 126     {
 127       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 128       if (rd[i].record_type == GNUNET_GNS_RECORD_A)
 129       {
 130         memcpy(&a, rd[i].data, sizeof(a));
 131         addr = inet_ntoa(a);
 132         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 133         if (0 == strcmp(addr, TEST_IP))
 134         {
 135           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 136                     "%s correctly resolved to %s!\n", TEST_DOMAIN, addr);
 137           ok = 0;
 138         }
 139       }
 140       else
 141       {
 142         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 143       }
 144     }
 145   }
 146   GNUNET_GNS_disconnect(gns_handle);
 147   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer1!\n");
 148   //GNUNET_TESTING_daemon_stop (d1, TIMEOUT, &shutdown_callback, NULL,
 149   //                            GNUNET_YES, GNUNET_NO);
 150   GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
 151 }
 152
 153
 154 /**
 155  * Function scheduled to be run on the successful start of services
 156  * tries to look up the dns record for TEST_DOMAIN
 157  */
 158 static void
 159 commence_testing (void *cls, int32_t success, const char *emsg)
 160 {
 161   int i;
 162   char lookup_name[MAX_DNS_NAME_LENGTH];
 163
 164
 165   gns_handle = GNUNET_GNS_connect(cfg);
 166
 167   if (NULL == gns_handle)
 168   {
 169     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 170                 "Failed to connect to GNS!\n");
 171     ok = 2;
 172   }
 173
 174
 175   /* Now lookup some non existing records */
 176   for (i=0; i<max_parallel_lookups+TEST_ADDITIONAL_LOOKUPS; i++)
 177   {
 178     GNUNET_snprintf(lookup_name,
 179                     MAX_DNS_NAME_LENGTH,
 180                     "www.doesnotexist-%d.bob.gnunet", i);
 181     GNUNET_GNS_lookup(gns_handle, lookup_name, GNUNET_GNS_RECORD_A,
 182                       GNUNET_NO,
 183                       NULL,
 184                       &on_lookup_result_dummy, NULL);
 185   }
 186
 187   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN, GNUNET_GNS_RECORD_A,
 188                     GNUNET_NO,
 189                     NULL,
 190                     &on_lookup_result, TEST_DOMAIN);
 191 }
 192
 193
 194 /**
 195  * Continuation for the GNUNET_DHT_get_stop call, so that we don't shut
 196  * down the peers without freeing memory associated with GET request.
 197  */
 198 static void
 199 end_badly_cont (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 200 {
 201
 202   if (pg != NULL)
 203     GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
 204   GNUNET_SCHEDULER_cancel (die_task);
 205 }
 206
 207 /**
 208  * Check if the get_handle is being used, if so stop the request.  Either
 209  * way, schedule the end_badly_cont function which actually shuts down the
 210  * test.
 211  */
 212 static void
 213 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 214 {
 215   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failing test with error: `%s'!\n",
 216               (char *) cls);
 217   GNUNET_SCHEDULER_add_now (&end_badly_cont, NULL);
 218   ok = 1;
 219 }
 220
 221 static void
 222 do_lookup(void *cls, const struct GNUNET_PeerIdentity *id,
 223           const struct GNUNET_CONFIGURATION_Handle *_cfg,
 224           struct GNUNET_TESTING_Daemon *d, const char *emsg)
 225 {
 226   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
 227   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded bob_pkey;
 228   struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
 229   struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
 230   char* alice_keyfile;
 231   struct GNUNET_CRYPTO_ShortHashCode bob_hash;
 232
 233   cfg = _cfg;
 234
 235   GNUNET_SCHEDULER_cancel (die_task);
 236
 237   /* put records into namestore */
 238   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 239   if (NULL == namestore_handle)
 240   {
 241     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 242     ok = -1;
 243     return;
 244   }
 245
 246   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 247                                                           "ZONEKEY",
 248                                                           &alice_keyfile))
 249   {
 250     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 251     ok = -1;
 252     return;
 253   }
 254
 255   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (cfg, "gns",
 256                                              "MAX_PARALLEL_BACKGROUND_QUERIES",
 257                                              &max_parallel_lookups))
 258   {
 259     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get max queries from cfg\n");
 260     ok = -1;
 261     GNUNET_free (alice_keyfile);
 262     return;
 263   }
 264
 265   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
 266   bob_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_BOB);
 267
 268   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 269   GNUNET_CRYPTO_rsa_key_get_public (bob_key, &bob_pkey);
 270
 271   GNUNET_free(alice_keyfile);
 272
 273   struct GNUNET_NAMESTORE_RecordData rd;
 274   char* ip = TEST_IP;
 275   struct in_addr *web = GNUNET_malloc(sizeof(struct in_addr));
 276   rd.expiration_time = UINT64_MAX;
 277   GNUNET_assert(1 == inet_pton (AF_INET, ip, web));
 278   rd.data_size = sizeof(struct in_addr);
 279   rd.data = web;
 280   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 281   rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
 282
 283   GNUNET_NAMESTORE_record_create (namestore_handle,
 284                                   alice_key,
 285                                   TEST_RECORD_NAME,
 286                                   &rd,
 287                                   NULL,
 288                                   NULL);
 289
 290   GNUNET_CRYPTO_short_hash(&bob_pkey, sizeof(bob_pkey), &bob_hash);
 291   rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
 292   rd.data = &bob_hash;
 293   rd.record_type = GNUNET_GNS_RECORD_PKEY;
 294
 295   GNUNET_NAMESTORE_record_create (namestore_handle,
 296                                   alice_key,
 297                                   TEST_AUTHORITY_NAME,
 298                                   &rd,
 299                                   &commence_testing,
 300                                   NULL);
 301
 302   GNUNET_CRYPTO_rsa_key_free(alice_key);
 303   GNUNET_CRYPTO_rsa_key_free(bob_key);
 304   GNUNET_free(web);
 305
 306 }
 307
 308 static void
 309 run (void *cls, char *const *args, const char *cfgfile,
 310      const struct GNUNET_CONFIGURATION_Handle *c)
 311 {
 312   cfg = c;
 313    /* Get path from configuration file */
 314   if (GNUNET_YES !=
 315       GNUNET_CONFIGURATION_get_value_string (cfg, "paths", "servicehome",
 316                                              &test_directory))
 317   {
 318     ok = 404;
 319     return;
 320   }
 321
 322
 323   /* Set up a task to end testing if peer start fails */
 324   die_task =
 325       GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly,
 326                                     "didn't start all daemons in reasonable amount of time!!!");
 327
 328   /* Start alice */
 329   //d1 = GNUNET_TESTING_daemon_start(cfg, TIMEOUT, GNUNET_NO, NULL, NULL, 0,
 330   //                                 NULL, NULL, NULL, &do_lookup, NULL);
 331   pg = GNUNET_TESTING_daemons_start(cfg, 1, 1, 1, TIMEOUT,
 332                                     NULL, NULL, &do_lookup, NULL,
 333                                     NULL, NULL, NULL);
 334 }
 335
 336 static int
 337 check ()
 338 {
 339   int ret;
 340
 341   /* Arguments for GNUNET_PROGRAM_run */
 342   char *const argv[] = { "test-gns-max-queries", /* Name to give running binary */
 343     "-c",
 344     "test_gns_simple_lookup.conf",       /* Config file to use */
 345 #if VERBOSE
 346     "-L", "DEBUG",
 347 #endif
 348     NULL
 349   };
 350   struct GNUNET_GETOPT_CommandLineOption options[] = {
 351     GNUNET_GETOPT_OPTION_END
 352   };
 353   /* Run the run function as a new program */
 354   ret =
 355       GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
 356                           "test-gns-max-queries", "nohelp", options, &run,
 357                           &ok);
 358   if (ret != GNUNET_OK)
 359   {
 360     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
 361                 "`test-gns-simple-lookup': Failed with error code %d\n", ret);
 362   }
 363   return ok;
 364 }
 365
 366 int
 367 main (int argc, char *argv[])
 368 {
 369   int ret;
 370
 371   GNUNET_log_setup ("test-gns-simple-lookup",
 372 #if VERBOSE
 373                     "DEBUG",
 374 #else
 375                     "WARNING",
 376 #endif
 377                     NULL);
 378   ret = check ();
 379   /**
 380    * Need to remove base directory, subdirectories taken care
 381    * of by the testing framework.
 382    */
 383   return ret;
 384 }
 385
 386 /* end of test_gns_twopeer.c */