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.gnunet"
  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.gnunet"
  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
 104 on_lookup_result(void *cls, uint32_t rd_count,
 105                  const struct GNUNET_NAMESTORE_RecordData *rd)
 106 {
 107   int i;
 108   uint16_t *srv_data;
 109   char* srv;
 110
 111   if (GNUNET_SCHEDULER_NO_TASK != die_task)
 112   {
 113       GNUNET_SCHEDULER_cancel (die_task);
 114       die_task = GNUNET_SCHEDULER_NO_TASK;
 115   }
 116
 117   GNUNET_NAMESTORE_disconnect (namestore_handle);
 118   if (rd_count == 0)
 119   {
 120     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 121                 "Lookup failed, rp_filtering?\n");
 122     ok = 2;
 123   }
 124   else
 125   {
 126     ok = 1;
 127     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 128     for (i=0; i<rd_count; i++)
 129     {
 130       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 131       if (rd[i].record_type == GNUNET_GNS_RECORD_SRV)
 132       {
 133         srv_data = (uint16_t*)rd[i].data;
 134         srv = (char*)&srv_data[3];
 135         GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 136                     "Got SRV %s with p=%d,w=%d,port=%d\n",
 137                     srv, srv_data, &srv_data[1], &srv_data[2]);
 138         if (0 == strcmp(srv, TEST_EXPECTED_SRV))
 139         {
 140           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 141                       "%s correctly resolved to %s!\n", TEST_DOMAIN,
 142                       TEST_EXPECTED_SRV);
 143           ok = 0;
 144         }
 145       }
 146     }
 147   }
 148
 149   GNUNET_GNS_disconnect(gns_handle);
 150   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer!\n");
 151   GNUNET_SCHEDULER_shutdown ();
 152 }
 153
 154
 155 /**
 156  * Function scheduled to be run on the successful start of services
 157  * tries to look up the dns record for TEST_DOMAIN
 158  */
 159 static void
 160 commence_testing (void *cls, int32_t success, const char *emsg)
 161 {
 162
 163   gns_handle = GNUNET_GNS_connect(cfg);
 164   if (NULL == gns_handle)
 165   {
 166     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 167                 "Failed to connect to GNS!\n");
 168     end_badly_now();
 169     return;
 170   }
 171
 172   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN, GNUNET_GNS_RECORD_SRV,
 173                     GNUNET_NO,
 174                     NULL,
 175                     &on_lookup_result, TEST_DOMAIN);
 176 }
 177
 178
 179 static void
 180 do_check (void *cls,
 181           const struct GNUNET_CONFIGURATION_Handle *ccfg,
 182           struct GNUNET_TESTING_Peer *peer)
 183 {
 184   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
 185   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded bob_pkey;
 186   struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
 187   struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
 188   struct GNUNET_CRYPTO_ShortHashCode bob_hash;
 189   struct GNUNET_CRYPTO_RsaSignature *sig;
 190   char* alice_keyfile;
 191   struct srv_data *srv_data;
 192   struct GNUNET_TIME_Absolute et;
 193
 194   cfg = ccfg;
 195   die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
 196
 197   /* put records into namestore */
 198   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 199   if (NULL == namestore_handle)
 200   {
 201     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 202     end_badly_now();
 203     return;
 204   }
 205
 206   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 207                                                           "ZONEKEY",
 208                                                           &alice_keyfile))
 209   {
 210     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 211     end_badly_now();
 212     return;
 213   }
 214
 215   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
 216   bob_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_BOB);
 217
 218   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 219   GNUNET_CRYPTO_rsa_key_get_public (bob_key, &bob_pkey);
 220
 221   struct GNUNET_NAMESTORE_RecordData rd;
 222   char* ip = TEST_IP;
 223   struct in_addr *sipserver = GNUNET_malloc (sizeof (struct in_addr));
 224   srv_data = GNUNET_malloc (sizeof (struct srv_data) + strlen (TEST_SRV_NAME) + 1);
 225   uint16_t srv_weight = 60;
 226   uint16_t srv_prio = 50;
 227   uint16_t srv_port = 5060;
 228
 229   rd.expiration_time = UINT64_MAX;
 230   GNUNET_assert(1 == inet_pton (AF_INET, ip, sipserver));
 231
 232   GNUNET_CRYPTO_short_hash(&bob_pkey, sizeof(bob_pkey), &bob_hash);
 233
 234   rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
 235   rd.data = &bob_hash;
 236   rd.record_type = GNUNET_GNS_RECORD_PKEY;
 237   rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
 238
 239   GNUNET_NAMESTORE_record_create (namestore_handle,
 240                                   alice_key,
 241                                   TEST_AUTHORITY_NAME,
 242                                   &rd,
 243                                   NULL,
 244                                   NULL);
 245
 246   rd.data_size = sizeof (struct in_addr);
 247   rd.data = sipserver;
 248   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 249   sig = GNUNET_NAMESTORE_create_signature(bob_key,
 250                                           GNUNET_TIME_UNIT_FOREVER_ABS,
 251                                           TEST_RECORD_NAME,
 252                                           &rd, 1);
 253   et.abs_value = rd.expiration_time;
 254   GNUNET_NAMESTORE_record_put (namestore_handle,
 255                                &bob_pkey,
 256                                TEST_RECORD_NAME,
 257                                et,
 258                                1,
 259                                &rd,
 260                                sig,
 261                                NULL,
 262                                NULL);
 263   GNUNET_free (sig);
 264
 265   rd.data_size = sizeof (struct srv_data)+strlen(TEST_SRV_NAME)+1;
 266   srv_data->port = srv_port;
 267   srv_data->prio = srv_prio;
 268   srv_data->weight = srv_weight;
 269   strcpy((char*)&srv_data[1], TEST_SRV_NAME);
 270   rd.data = srv_data;
 271   rd.record_type = GNUNET_GNS_RECORD_SRV;
 272   sig = GNUNET_NAMESTORE_create_signature(bob_key,
 273                                           GNUNET_TIME_UNIT_FOREVER_ABS,
 274                                           TEST_RECORD_NAME_SRV,
 275                                           &rd, 1);
 276   et.abs_value = rd.expiration_time;
 277   GNUNET_NAMESTORE_record_put (namestore_handle,
 278                                &bob_pkey,
 279                                TEST_RECORD_NAME_SRV,
 280                                et,
 281                                1,
 282                                &rd,
 283                                sig,
 284                                &commence_testing,
 285                                NULL);
 286   GNUNET_free (alice_keyfile);
 287   GNUNET_free (srv_data);
 288   GNUNET_free (sipserver);
 289   GNUNET_free (sig);
 290   GNUNET_CRYPTO_rsa_key_free (bob_key);
 291   GNUNET_CRYPTO_rsa_key_free (alice_key);
 292 }
 293
 294
 295
 296 int
 297 main (int argc, char *argv[])
 298 {
 299   ok = 1;
 300
 301   GNUNET_log_setup ("test-gns-simple-srv-lookup",
 302 #if VERBOSE
 303                     "DEBUG",
 304 #else
 305                     "WARNING",
 306 #endif
 307                     NULL);
 308   GNUNET_TESTING_peer_run ("test-gns-simple-srv-lookup", "test_gns_simple_lookup.conf", &do_check, NULL);
 309   GNUNET_DISK_directory_remove ("test-gns-simple-srv-lookup");
 310   return ok;
 311 }
 312
 313 /* end of test_gns_simple_srv_lookup.c */