src/gns/test_gns_simple_srv_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_srv_lookup.c
  22  * @brief base testcase for testing GNS SRV lookups
  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 "../namestore/namestore.h"
  32 #include "gnunet_dnsparser_lib.h"
  33 #include "gns_protocol.h"
  34 #include "gnunet_gns_service.h"
  35
  36 /* DEFINES */
  37 #define VERBOSE GNUNET_YES
  38
  39 /* Timeout for entire testcase */
  40 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 20)
  41
  42 /* If number of peers not in config file, use this number */
  43 #define DEFAULT_NUM_PEERS 2
  44
  45 /* test records to resolve */
  46 #define TEST_DOMAIN "_sip._tcp.bob.gads"
  47 #define TEST_IP "127.0.0.1"
  48 #define TEST_RECORD_NAME "sipserver"
  49 #define TEST_RECORD_NAME_SRV "_sip._tcp"
  50 #define TEST_SRV_NAME "sipserver.+"
  51 #define TEST_EXPECTED_SRV "sipserver.bob.gads"
  52
  53 #define TEST_AUTHORITY_NAME "bob"
  54
  55 #define KEYFILE_BOB "../namestore/zonefiles/HGU0A0VCU334DN7F2I9UIUMVQMM7JMSD142LIMNUGTTV9R0CF4EG.zkey"
  56
  57 /* Globals */
  58
  59 /* Task handle to use to schedule test failure */
  60 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 const struct GNUNET_CONFIGURATION_Handle *cfg;
  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 static void shutdown_task (void *cls,
 104                            const struct GNUNET_SCHEDULER_TaskContext *tc)
 105 {
 106   GNUNET_GNS_disconnect(gns_handle);
 107   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer!\n");
 108   GNUNET_SCHEDULER_shutdown ();
 109 }
 110
 111 static void
 112 on_lookup_result(void *cls, uint32_t rd_count,
 113                  const struct GNUNET_NAMESTORE_RecordData *rd)
 114 {
 115   int i;
 116   uint16_t *srv_data;
 117   char* srv;
 118
 119   if (GNUNET_SCHEDULER_NO_TASK != die_task)
 120   {
 121       GNUNET_SCHEDULER_cancel (die_task);
 122       die_task = GNUNET_SCHEDULER_NO_TASK;
 123   }
 124
 125   GNUNET_NAMESTORE_disconnect (namestore_handle);
 126   if (rd_count == 0)
 127   {
 128     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 129                 "Lookup failed, rp_filtering?\n");
 130     ok = 2;
 131   }
 132   else
 133   {
 134     ok = 1;
 135     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 136     for (i=0; i<rd_count; i++)
 137     {
 138       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 139       if (rd[i].record_type == GNUNET_GNS_RECORD_SRV)
 140       {
 141         srv_data = (uint16_t*)rd[i].data;
 142         srv = (char*)&srv_data[3];
 143         GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 144                     "Got SRV %s with p=%d,w=%d,port=%d\n",
 145                     srv, srv_data, &srv_data[1], &srv_data[2]);
 146         if (0 == strcmp(srv, TEST_EXPECTED_SRV))
 147         {
 148           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 149                       "%s correctly resolved to %s!\n", TEST_DOMAIN,
 150                       TEST_EXPECTED_SRV);
 151           ok = 0;
 152         }
 153       }
 154     }
 155   }
 156
 157   GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
 158
 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
 170   gns_handle = GNUNET_GNS_connect(cfg);
 171   if (NULL == gns_handle)
 172   {
 173     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 174                 "Failed to connect to GNS!\n");
 175     end_badly_now();
 176     return;
 177   }
 178
 179   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN, GNUNET_GNS_RECORD_SRV,
 180                     GNUNET_NO,
 181                     NULL,
 182                     &on_lookup_result, TEST_DOMAIN);
 183 }
 184
 185
 186 static void
 187 do_check (void *cls,
 188           const struct GNUNET_CONFIGURATION_Handle *ccfg,
 189           struct GNUNET_TESTING_Peer *peer)
 190 {
 191   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
 192   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded bob_pkey;
 193   struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
 194   struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
 195   struct GNUNET_CRYPTO_ShortHashCode bob_hash;
 196   struct GNUNET_CRYPTO_RsaSignature *sig;
 197   char* alice_keyfile;
 198   struct srv_data *srv_data;
 199   struct GNUNET_TIME_Absolute et;
 200
 201   cfg = ccfg;
 202   die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
 203
 204   /* put records into namestore */
 205   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 206   if (NULL == namestore_handle)
 207   {
 208     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 209     end_badly_now();
 210     return;
 211   }
 212
 213   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 214                                                           "ZONEKEY",
 215                                                           &alice_keyfile))
 216   {
 217     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 218     end_badly_now();
 219     return;
 220   }
 221
 222   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
 223   bob_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_BOB);
 224
 225   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 226   GNUNET_CRYPTO_rsa_key_get_public (bob_key, &bob_pkey);
 227
 228   struct GNUNET_NAMESTORE_RecordData rd;
 229   char* ip = TEST_IP;
 230   struct in_addr *sipserver = GNUNET_malloc (sizeof (struct in_addr));
 231   srv_data = GNUNET_malloc (sizeof (struct srv_data) + strlen (TEST_SRV_NAME) + 1);
 232   uint16_t srv_weight = 60;
 233   uint16_t srv_prio = 50;
 234   uint16_t srv_port = 5060;
 235
 236   rd.expiration_time = UINT64_MAX;
 237   GNUNET_assert(1 == inet_pton (AF_INET, ip, sipserver));
 238
 239   GNUNET_CRYPTO_short_hash(&bob_pkey, sizeof(bob_pkey), &bob_hash);
 240
 241   rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
 242   rd.data = &bob_hash;
 243   rd.record_type = GNUNET_GNS_RECORD_PKEY;
 244   rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
 245
 246   GNUNET_NAMESTORE_record_create (namestore_handle,
 247                                   alice_key,
 248                                   TEST_AUTHORITY_NAME,
 249                                   &rd,
 250                                   NULL,
 251                                   NULL);
 252
 253   rd.data_size = sizeof (struct in_addr);
 254   rd.data = sipserver;
 255   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 256   sig = GNUNET_NAMESTORE_create_signature(bob_key,
 257                                           GNUNET_TIME_UNIT_FOREVER_ABS,
 258                                           TEST_RECORD_NAME,
 259                                           &rd, 1);
 260   et.abs_value = rd.expiration_time;
 261   GNUNET_NAMESTORE_record_put (namestore_handle,
 262                                &bob_pkey,
 263                                TEST_RECORD_NAME,
 264                                et,
 265                                1,
 266                                &rd,
 267                                sig,
 268                                NULL,
 269                                NULL);
 270   GNUNET_free (sig);
 271
 272   rd.data_size = sizeof (struct srv_data)+strlen(TEST_SRV_NAME)+1;
 273   srv_data->port = srv_port;
 274   srv_data->prio = srv_prio;
 275   srv_data->weight = srv_weight;
 276   strcpy((char*)&srv_data[1], TEST_SRV_NAME);
 277   rd.data = srv_data;
 278   rd.record_type = GNUNET_GNS_RECORD_SRV;
 279   sig = GNUNET_NAMESTORE_create_signature(bob_key,
 280                                           GNUNET_TIME_UNIT_FOREVER_ABS,
 281                                           TEST_RECORD_NAME_SRV,
 282                                           &rd, 1);
 283   et.abs_value = rd.expiration_time;
 284   GNUNET_NAMESTORE_record_put (namestore_handle,
 285                                &bob_pkey,
 286                                TEST_RECORD_NAME_SRV,
 287                                et,
 288                                1,
 289                                &rd,
 290                                sig,
 291                                &commence_testing,
 292                                NULL);
 293   GNUNET_free (alice_keyfile);
 294   GNUNET_free (srv_data);
 295   GNUNET_free (sipserver);
 296   GNUNET_free (sig);
 297   GNUNET_CRYPTO_rsa_key_free (bob_key);
 298   GNUNET_CRYPTO_rsa_key_free (alice_key);
 299 }
 300
 301
 302
 303 int
 304 main (int argc, char *argv[])
 305 {
 306   ok = 1;
 307
 308   GNUNET_log_setup ("test-gns-simple-srv-lookup",
 309 #if VERBOSE
 310                     "DEBUG",
 311 #else
 312                     "WARNING",
 313 #endif
 314                     NULL);
 315   GNUNET_TESTING_peer_run ("test-gns-simple-srv-lookup", "test_gns_simple_lookup.conf", &do_check, NULL);
 316   GNUNET_DISK_directory_remove ("test-gns-simple-srv-lookup");
 317   return ok;
 318 }
 319
 320 /* end of test_gns_simple_srv_lookup.c */