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-new.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 /* Task handle to use to schedule test failure */
  57 GNUNET_SCHEDULER_TaskIdentifier die_task;
  58
  59 /* Global return value (0 for success, anything else for failure) */
  60 static int ok;
  61
  62 static struct GNUNET_NAMESTORE_Handle *namestore_handle;
  63
  64 static struct GNUNET_GNS_Handle *gns_handle;
  65
  66 const struct GNUNET_CONFIGURATION_Handle *cfg;
  67
  68 static unsigned long long max_parallel_lookups;
  69
  70
  71 /**
  72  * Check if the get_handle is being used, if so stop the request.  Either
  73  * way, schedule the end_badly_cont function which actually shuts down the
  74  * test.
  75  */
  76 static void
  77 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  78 {
  79   die_task = GNUNET_SCHEDULER_NO_TASK;
  80   if (NULL != gns_handle)
  81   {
  82     GNUNET_GNS_disconnect(gns_handle);
  83     gns_handle = NULL;
  84   }
  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 static void
  97 end_badly_now ()
  98 {
  99   GNUNET_SCHEDULER_cancel (die_task);
 100   die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
 101 }
 102
 103
 104 static void
 105 on_lookup_result_dummy(void *cls, uint32_t rd_count,
 106                        const struct GNUNET_NAMESTORE_RecordData *rd)
 107 {
 108   if (GNUNET_SCHEDULER_NO_TASK != die_task)
 109   {
 110       GNUNET_SCHEDULER_cancel (die_task);
 111       die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
 112   }
 113   if (rd_count != 0)
 114   {
 115     GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
 116                "Got %d results from dummy lookup! Wanted: 0\n",
 117                rd_count);
 118     ok = -1;
 119   }
 120   fprintf (stderr, ".");
 121 }
 122
 123 static void
 124 on_lookup_result(void *cls, uint32_t rd_count,
 125                  const struct GNUNET_NAMESTORE_RecordData *rd)
 126 {
 127   struct in_addr a;
 128   int i;
 129   char* addr;
 130
 131   if (GNUNET_SCHEDULER_NO_TASK != die_task)
 132   {
 133       GNUNET_SCHEDULER_cancel (die_task);
 134       die_task = GNUNET_SCHEDULER_NO_TASK;
 135   }
 136
 137   GNUNET_NAMESTORE_disconnect (namestore_handle);
 138   namestore_handle = NULL;
 139   if (rd_count == 0)
 140   {
 141     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 142                 "Lookup failed, rp_filtering?\n");
 143     ok = 2;
 144   }
 145   else
 146   {
 147     ok = 1;
 148     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 149     for (i=0; i<rd_count; i++)
 150     {
 151       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 152       if (rd[i].record_type == GNUNET_GNS_RECORD_A)
 153       {
 154         memcpy(&a, rd[i].data, sizeof(a));
 155         addr = inet_ntoa(a);
 156         GNUNET_log (GNUNET_ERROR_TYPE_INFO, "address: %s\n", addr);
 157         if (0 == strcmp(addr, TEST_IP))
 158         {
 159           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 160                     "%s correctly resolved to %s!\n", TEST_DOMAIN, addr);
 161           ok = 0;
 162         }
 163       }
 164       else
 165       {
 166         GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No resolution!\n");
 167       }
 168     }
 169   }
 170   GNUNET_GNS_disconnect(gns_handle);
 171   gns_handle = NULL;
 172   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer!\n");
 173   GNUNET_SCHEDULER_shutdown ();
 174 }
 175
 176
 177 /**
 178  * Function scheduled to be run on the successful start of services
 179  * tries to look up the dns record for TEST_DOMAIN
 180  */
 181 static void
 182 commence_testing (void *cls, int32_t success, const char *emsg)
 183 {
 184   int i;
 185   char lookup_name[MAX_DNS_NAME_LENGTH];
 186
 187
 188   gns_handle = GNUNET_GNS_connect(cfg);
 189
 190   if (NULL == gns_handle)
 191   {
 192     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 193                 "Failed to connect to GNS!\n");
 194     ok = 2;
 195   }
 196
 197
 198   /* Now lookup some non existing records */
 199   for (i=0; i<max_parallel_lookups+TEST_ADDITIONAL_LOOKUPS; i++)
 200   {
 201     GNUNET_snprintf(lookup_name,
 202                     MAX_DNS_NAME_LENGTH,
 203                     "www.doesnotexist-%d.bob.gnunet", i);
 204     GNUNET_GNS_lookup(gns_handle, lookup_name, GNUNET_GNS_RECORD_A,
 205                       GNUNET_NO,
 206                       NULL,
 207                       &on_lookup_result_dummy, NULL);
 208   }
 209
 210   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN, GNUNET_GNS_RECORD_A,
 211                     GNUNET_NO,
 212                     NULL,
 213                     &on_lookup_result, TEST_DOMAIN);
 214 }
 215
 216
 217
 218 static void
 219 do_check (void *cls,
 220           const struct GNUNET_CONFIGURATION_Handle *ccfg,
 221           struct GNUNET_TESTING_Peer *peer)
 222 {
 223   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
 224   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded bob_pkey;
 225   struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
 226   struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
 227   char* alice_keyfile;
 228   struct GNUNET_CRYPTO_ShortHashCode bob_hash;
 229
 230   cfg = ccfg;
 231   die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
 232
 233
 234   /* put records into namestore */
 235   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 236   if (NULL == namestore_handle)
 237   {
 238     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 239     end_badly_now();
 240     return;
 241   }
 242
 243   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 244                                                           "ZONEKEY",
 245                                                           &alice_keyfile))
 246   {
 247     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 248     end_badly_now();
 249     return;
 250   }
 251
 252   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (cfg, "gns",
 253                                              "MAX_PARALLEL_BACKGROUND_QUERIES",
 254                                              &max_parallel_lookups))
 255   {
 256     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get max queries from cfg\n");
 257     end_badly_now();
 258     GNUNET_free (alice_keyfile);
 259     return;
 260   }
 261
 262   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
 263   bob_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_BOB);
 264
 265   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 266   GNUNET_CRYPTO_rsa_key_get_public (bob_key, &bob_pkey);
 267
 268   GNUNET_free(alice_keyfile);
 269
 270   struct GNUNET_NAMESTORE_RecordData rd;
 271   char* ip = TEST_IP;
 272   struct in_addr *web = GNUNET_malloc(sizeof(struct in_addr));
 273   rd.expiration_time = UINT64_MAX;
 274   GNUNET_assert(1 == inet_pton (AF_INET, ip, web));
 275   rd.data_size = sizeof(struct in_addr);
 276   rd.data = web;
 277   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 278   rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
 279
 280   GNUNET_NAMESTORE_record_create (namestore_handle,
 281                                   alice_key,
 282                                   TEST_RECORD_NAME,
 283                                   &rd,
 284                                   NULL,
 285                                   NULL);
 286
 287   GNUNET_CRYPTO_short_hash(&bob_pkey, sizeof(bob_pkey), &bob_hash);
 288   rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
 289   rd.data = &bob_hash;
 290   rd.record_type = GNUNET_GNS_RECORD_PKEY;
 291
 292   GNUNET_NAMESTORE_record_create (namestore_handle,
 293                                   alice_key,
 294                                   TEST_AUTHORITY_NAME,
 295                                   &rd,
 296                                   &commence_testing,
 297                                   NULL);
 298
 299   GNUNET_CRYPTO_rsa_key_free(alice_key);
 300   GNUNET_CRYPTO_rsa_key_free(bob_key);
 301   GNUNET_free(web);
 302
 303 }
 304
 305
 306 int
 307 main (int argc, char *argv[])
 308 {
 309   ok = 1;
 310
 311   GNUNET_log_setup ("test-gns-max-queries",
 312 #if VERBOSE
 313                     "DEBUG",
 314 #else
 315                     "WARNING",
 316 #endif
 317                     NULL);
 318   GNUNET_TESTING_peer_run ("test-gns-max-queries", "test_gns_simple_lookup.conf", &do_check, NULL);
 319   return ok;
 320 }
 321
 322
 323 /* end of test_gns_simple_zkey_lookup.c */