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 /* Timeout for entire testcase */
  37 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 20)
  38
  39 /* test records to resolve */
  40 #define TEST_DOMAIN "_sip._tcp.bob.gads"
  41 #define TEST_IP "127.0.0.1"
  42 #define TEST_RECORD_NAME "sipserver"
  43 #define TEST_RECORD_NAME_SRV "_sip._tcp"
  44 #define TEST_SRV_NAME "sipserver.+"
  45 #define TEST_EXPECTED_SRV "sipserver.bob.gads"
  46
  47 #define TEST_AUTHORITY_NAME "bob"
  48
  49 #define KEYFILE_BOB "../namestore/zonefiles/HGU0A0VCU334DN7F2I9UIUMVQMM7JMSD142LIMNUGTTV9R0CF4EG.zkey"
  50
  51 /* Globals */
  52
  53 /* Task handle to use to schedule test failure */
  54 GNUNET_SCHEDULER_TaskIdentifier die_task;
  55
  56 /* Global return value (0 for success, anything else for failure) */
  57 static int ok;
  58
  59 static struct GNUNET_NAMESTORE_Handle *namestore_handle;
  60
  61 static struct GNUNET_GNS_Handle *gns_handle;
  62
  63 const struct GNUNET_CONFIGURATION_Handle *cfg;
  64
  65 /**
  66  * Check if the get_handle is being used, if so stop the request.  Either
  67  * way, schedule the end_badly_cont function which actually shuts down the
  68  * test.
  69  */
  70 static void
  71 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  72 {
  73   die_task = GNUNET_SCHEDULER_NO_TASK;
  74   if (NULL != gns_handle)
  75   {
  76     GNUNET_GNS_disconnect(gns_handle);
  77     gns_handle = NULL;
  78   }
  79
  80   if (NULL != namestore_handle)
  81   {
  82     GNUNET_NAMESTORE_disconnect (namestore_handle);
  83     namestore_handle = NULL;
  84   }
  85   GNUNET_break (0);
  86   GNUNET_SCHEDULER_shutdown ();
  87   ok = 1;
  88 }
  89
  90 static void
  91 end_badly_now ()
  92 {
  93   GNUNET_SCHEDULER_cancel (die_task);
  94   die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
  95 }
  96
  97 static void shutdown_task (void *cls,
  98                            const struct GNUNET_SCHEDULER_TaskContext *tc)
  99 {
 100   GNUNET_GNS_disconnect(gns_handle);
 101   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Shutting down peer!\n");
 102   GNUNET_SCHEDULER_shutdown ();
 103 }
 104
 105 static void
 106 on_lookup_result(void *cls, uint32_t rd_count,
 107                  const struct GNUNET_NAMESTORE_RecordData *rd)
 108 {
 109   int i;
 110   uint16_t *srv_data;
 111   char* srv;
 112
 113   if (GNUNET_SCHEDULER_NO_TASK != die_task)
 114   {
 115       GNUNET_SCHEDULER_cancel (die_task);
 116       die_task = GNUNET_SCHEDULER_NO_TASK;
 117   }
 118
 119   GNUNET_NAMESTORE_disconnect (namestore_handle);
 120   if (rd_count == 0)
 121   {
 122     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 123                 "Lookup failed, rp_filtering?\n");
 124     ok = 2;
 125   }
 126   else
 127   {
 128     ok = 1;
 129     GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
 130     for (i=0; i<rd_count; i++)
 131     {
 132       GNUNET_log (GNUNET_ERROR_TYPE_INFO, "type: %d\n", rd[i].record_type);
 133       if (rd[i].record_type == GNUNET_GNS_RECORD_SRV)
 134       {
 135         srv_data = (uint16_t*)rd[i].data;
 136         srv = (char*)&srv_data[3];
 137         GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 138                     "Got SRV %s with p=%d,w=%d,port=%d\n",
 139                     srv, srv_data, &srv_data[1], &srv_data[2]);
 140         if (0 == strcmp(srv, TEST_EXPECTED_SRV))
 141         {
 142           GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 143                       "%s correctly resolved to %s!\n", TEST_DOMAIN,
 144                       TEST_EXPECTED_SRV);
 145           ok = 0;
 146         }
 147       }
 148     }
 149   }
 150
 151   GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
 152
 153 }
 154
 155
 156 /**
 157  * Function scheduled to be run on the successful start of services
 158  * tries to look up the dns record for TEST_DOMAIN
 159  */
 160 static void
 161 commence_testing (void *cls, int32_t success, const char *emsg)
 162 {
 163
 164   gns_handle = GNUNET_GNS_connect(cfg);
 165   if (NULL == gns_handle)
 166   {
 167     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 168                 "Failed to connect to GNS!\n");
 169     end_badly_now();
 170     return;
 171   }
 172
 173   GNUNET_GNS_lookup(gns_handle, TEST_DOMAIN, GNUNET_GNS_RECORD_SRV,
 174                     GNUNET_NO,
 175                     NULL,
 176                     &on_lookup_result, TEST_DOMAIN);
 177 }
 178
 179
 180 static void
 181 do_check (void *cls,
 182           const struct GNUNET_CONFIGURATION_Handle *ccfg,
 183           struct GNUNET_TESTING_Peer *peer)
 184 {
 185   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded alice_pkey;
 186   struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded bob_pkey;
 187   struct GNUNET_CRYPTO_RsaPrivateKey *alice_key;
 188   struct GNUNET_CRYPTO_RsaPrivateKey *bob_key;
 189   struct GNUNET_CRYPTO_ShortHashCode bob_hash;
 190   struct GNUNET_CRYPTO_RsaSignature *sig;
 191   char* alice_keyfile;
 192   struct srv_data *srv_data;
 193   struct GNUNET_TIME_Absolute et;
 194
 195   cfg = ccfg;
 196   die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
 197
 198   /* put records into namestore */
 199   namestore_handle = GNUNET_NAMESTORE_connect(cfg);
 200   if (NULL == namestore_handle)
 201   {
 202     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
 203     end_badly_now();
 204     return;
 205   }
 206
 207   if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
 208                                                           "ZONEKEY",
 209                                                           &alice_keyfile))
 210   {
 211     GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
 212     end_badly_now();
 213     return;
 214   }
 215
 216   alice_key = GNUNET_CRYPTO_rsa_key_create_from_file (alice_keyfile);
 217   bob_key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE_BOB);
 218
 219   GNUNET_CRYPTO_rsa_key_get_public (alice_key, &alice_pkey);
 220   GNUNET_CRYPTO_rsa_key_get_public (bob_key, &bob_pkey);
 221
 222   struct GNUNET_NAMESTORE_RecordData rd;
 223   char* ip = TEST_IP;
 224   struct in_addr *sipserver = GNUNET_malloc (sizeof (struct in_addr));
 225   srv_data = GNUNET_malloc (sizeof (struct srv_data) + strlen (TEST_SRV_NAME) + 1);
 226   uint16_t srv_weight = 60;
 227   uint16_t srv_prio = 50;
 228   uint16_t srv_port = 5060;
 229
 230   rd.expiration_time = UINT64_MAX;
 231   GNUNET_assert(1 == inet_pton (AF_INET, ip, sipserver));
 232
 233   GNUNET_CRYPTO_short_hash(&bob_pkey, sizeof(bob_pkey), &bob_hash);
 234
 235   rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
 236   rd.data = &bob_hash;
 237   rd.record_type = GNUNET_GNS_RECORD_PKEY;
 238   rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
 239
 240   GNUNET_NAMESTORE_record_create (namestore_handle,
 241                                   alice_key,
 242                                   TEST_AUTHORITY_NAME,
 243                                   &rd,
 244                                   NULL,
 245                                   NULL);
 246
 247   rd.data_size = sizeof (struct in_addr);
 248   rd.data = sipserver;
 249   rd.record_type = GNUNET_DNSPARSER_TYPE_A;
 250   sig = GNUNET_NAMESTORE_create_signature(bob_key,
 251                                           GNUNET_TIME_UNIT_FOREVER_ABS,
 252                                           TEST_RECORD_NAME,
 253                                           &rd, 1);
 254   et.abs_value = rd.expiration_time;
 255   GNUNET_NAMESTORE_record_put (namestore_handle,
 256                                &bob_pkey,
 257                                TEST_RECORD_NAME,
 258                                et,
 259                                1,
 260                                &rd,
 261                                sig,
 262                                NULL,
 263                                NULL);
 264   GNUNET_free (sig);
 265
 266   rd.data_size = sizeof (struct srv_data)+strlen(TEST_SRV_NAME)+1;
 267   srv_data->port = srv_port;
 268   srv_data->prio = srv_prio;
 269   srv_data->weight = srv_weight;
 270   strcpy((char*)&srv_data[1], TEST_SRV_NAME);
 271   rd.data = srv_data;
 272   rd.record_type = GNUNET_GNS_RECORD_SRV;
 273   sig = GNUNET_NAMESTORE_create_signature(bob_key,
 274                                           GNUNET_TIME_UNIT_FOREVER_ABS,
 275                                           TEST_RECORD_NAME_SRV,
 276                                           &rd, 1);
 277   et.abs_value = rd.expiration_time;
 278   GNUNET_NAMESTORE_record_put (namestore_handle,
 279                                &bob_pkey,
 280                                TEST_RECORD_NAME_SRV,
 281                                et,
 282                                1,
 283                                &rd,
 284                                sig,
 285                                &commence_testing,
 286                                NULL);
 287   GNUNET_free (alice_keyfile);
 288   GNUNET_free (srv_data);
 289   GNUNET_free (sipserver);
 290   GNUNET_free (sig);
 291   GNUNET_CRYPTO_rsa_key_free (bob_key);
 292   GNUNET_CRYPTO_rsa_key_free (alice_key);
 293 }
 294
 295
 296 int
 297 main (int argc, char *argv[])
 298 {
 299   ok = 1;
 300   GNUNET_log_setup ("test-gns-simple-srv-lookup",
 301                     "WARNING",
 302                     NULL);
 303   GNUNET_TESTING_peer_run ("test-gns-simple-srv-lookup", "test_gns_simple_lookup.conf", &do_check, NULL);
 304   GNUNET_DISK_directory_remove ("test-gns-simple-srv-lookup");
 305   return ok;
 306 }
 307
 308 /* end of test_gns_simple_srv_lookup.c */