Exemplo n.º 1
0
/**
 * Process regex requests.
 *
 * @param cls closure
 * @param server the initialized server
 * @param cfg configuration to use
 */
static void
run (void *cls, struct GNUNET_SERVER_Handle *server,
     const struct GNUNET_CONFIGURATION_Handle *cfg)
{
  static const struct GNUNET_SERVER_MessageHandler handlers[] = {
    {&handle_announce, NULL, GNUNET_MESSAGE_TYPE_REGEX_ANNOUNCE, 0},
    {&handle_search, NULL, GNUNET_MESSAGE_TYPE_REGEX_SEARCH, 0},
    {NULL, NULL, 0, 0}
  };

  my_private_key = GNUNET_CRYPTO_eddsa_key_create_from_configuration (cfg);
  if (NULL == my_private_key)
  {
    GNUNET_SCHEDULER_shutdown ();
    return;
  }
  dht = GNUNET_DHT_connect (cfg, 1024);
  if (NULL == dht)
  {
    GNUNET_free (my_private_key);
    my_private_key = NULL;
    GNUNET_SCHEDULER_shutdown ();
    return;
  }
  GNUNET_SCHEDULER_add_shutdown (&cleanup_task,
				 NULL);
  nc = GNUNET_SERVER_notification_context_create (server, 1);
  stats = GNUNET_STATISTICS_create ("regex", cfg);
  GNUNET_SERVER_add_handlers (server, handlers);
  GNUNET_SERVER_disconnect_notify (server,
                                   &handle_client_disconnect,
                                   NULL);
}
Exemplo n.º 2
0
static void
run (void *cls,
     const struct GNUNET_CONFIGURATION_Handle *cfg,
     struct GNUNET_TESTING_Peer *peer)
{
  struct GNUNET_HashCode hash;
  char *data;
  size_t data_size = 42;

  GNUNET_assert (ok == 1);
  OKPP;
  die_task =
      GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
                                    (GNUNET_TIME_UNIT_MINUTES, 1), &end_badly,
                                    NULL);


  memset (&hash, 42, sizeof (struct GNUNET_HashCode));
  data = GNUNET_malloc (data_size);
  memset (data, 43, data_size);
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Called test_put!\n");
  dht_handle = GNUNET_DHT_connect (cfg, 100);
  GNUNET_assert (dht_handle != NULL);
  GNUNET_DHT_put (dht_handle, &hash, 1, GNUNET_DHT_RO_NONE,
                  GNUNET_BLOCK_TYPE_TEST, data_size, data,
                  GNUNET_TIME_relative_to_absolute (TOTAL_TIMEOUT),
                  &test_get, NULL);
  GNUNET_free (data);
}
Exemplo n.º 3
0
/**
 * Initialize the DHT subsystem.
 *
 * @param c Configuration.
 */
void
GCD_init (const struct GNUNET_CONFIGURATION_Handle *c)
{
  LOG (GNUNET_ERROR_TYPE_DEBUG, "init\n");
  if (GNUNET_OK !=
      GNUNET_CONFIGURATION_get_value_number (c, "CADET",
                                             "DHT_REPLICATION_LEVEL",
                                             &dht_replication_level))
  {
    GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_WARNING, "CADET",
                               "DHT_REPLICATION_LEVEL", "USING DEFAULT");
    dht_replication_level = 3;
  }

  if (GNUNET_OK !=
      GNUNET_CONFIGURATION_get_value_time (c, "CADET", "ID_ANNOUNCE_TIME",
                                           &id_announce_time))
  {
    GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR, "CADET",
                               "ID_ANNOUNCE_TIME", "MISSING");
    GNUNET_SCHEDULER_shutdown ();
    return;
  }

  dht_handle = GNUNET_DHT_connect (c, 64);
  if (NULL == dht_handle)
  {
    GNUNET_break (0);
  }

  announce_delay = GNUNET_TIME_UNIT_SECONDS;
  announce_id_task = GNUNET_SCHEDULER_add_now (&announce_id, NULL);
  get_requests = GNUNET_CONTAINER_multihashmap32_create (32);
}
Exemplo n.º 4
0
/**
 * Testbed has provided us with the configuration to access one
 * of the peers and it is time to do "some" connect operation to
 * "some" subsystem of the peer.  For this example, we connect
 * to the DHT subsystem.  Testbed doesn't know which subsystem,
 * so we need these adapters to do the actual connecting (and
 * possibly pass additional options to the subsystem connect
 * function, such as the "ht_len" argument for the DHT).
 *
 * @param cls closure
 * @param cfg peer configuration (here: peer[0]
 * @return NULL on error, otherwise some handle to access the
 *         subsystem
 */
static void *
dht_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
{
  struct MyContext *ctxt = cls;

  /* Use the provided configuration to connect to service */
  dht_handle = GNUNET_DHT_connect (cfg, ctxt->ht_len);
  return dht_handle;
}
Exemplo n.º 5
0
/**
 * Main function that will be run by the scheduler.
 *
 * @param cls closure
 * @param args remaining command-line arguments
 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
 * @param c configuration
 */
static void
run (void *cls, char *const *args, const char *cfgfile,
     const struct GNUNET_CONFIGURATION_Handle *c)
{
  struct GNUNET_TIME_Relative timeout;
  struct GNUNET_TIME_Absolute expiration;
  GNUNET_HashCode key;

  cfg = c;

  if ((query_key == NULL) || (data == NULL))
  {
    FPRINTF (stderr, "%s",  _("Must provide KEY and DATA for DHT put!\n"));
    ret = 1;
    return;
  }

  dht_handle = GNUNET_DHT_connect (cfg, 1);
  if (dht_handle == NULL)
  {
    FPRINTF (stderr, _("Could not connect to %s service!\n"), "DHT");
    ret = 1;
    return;
  }
  else if (verbose)
    FPRINTF (stderr, _("Connected to %s service!\n"), "DHT");

  if (query_type == GNUNET_BLOCK_TYPE_ANY)      /* Type of data not set */
    query_type = GNUNET_BLOCK_TYPE_TEST;

  GNUNET_CRYPTO_hash (query_key, strlen (query_key), &key);

  timeout =
      GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, timeout_request);
  expiration =
      GNUNET_TIME_relative_to_absolute (GNUNET_TIME_relative_multiply
                                        (GNUNET_TIME_UNIT_SECONDS,
                                         expiration_seconds));

  if (verbose)
    FPRINTF (stderr, _("Issuing put request for `%s' with data `%s'!\n"),
             query_key, data);
  GNUNET_DHT_put (dht_handle, &key, replication, GNUNET_DHT_RO_NONE, query_type,
                  strlen (data), data, expiration, timeout, &message_sent_cont,
                  NULL);

}
Exemplo n.º 6
0
/**
 * Process GNS requests.
 *
 * @param cls closure)
 * @param server the initialized server
 * @param c configuration to use
 */
static void
run (void *cls, struct GNUNET_SERVER_Handle *server,
     const struct GNUNET_CONFIGURATION_Handle *c)
{
  
  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Initializing GNS\n");
  
  char* keyfile;
  struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pkey;
  unsigned long long max_parallel_bg_queries = 0;
  unsigned long long default_lookup_timeout_secs = 0;
  int ignore_pending = GNUNET_NO;

  static const struct GNUNET_SERVER_MessageHandler handlers[] = {
    {&handle_shorten, NULL, GNUNET_MESSAGE_TYPE_GNS_SHORTEN, 0},
    {&handle_lookup, NULL, GNUNET_MESSAGE_TYPE_GNS_LOOKUP, 0},
    {&handle_get_authority, NULL, GNUNET_MESSAGE_TYPE_GNS_GET_AUTH, 0}
  };

  GNS_cfg = c;

  if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (c, "gns",
                                             "ZONEKEY", &keyfile))
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "No private key for root zone specified!\n");
    GNUNET_SCHEDULER_shutdown ();
    return;
  }

  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
             "Using keyfile %s for root zone.\n", keyfile);

  zone_key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
  GNUNET_CRYPTO_rsa_key_get_public (zone_key, &pkey);

  GNUNET_CRYPTO_short_hash(&pkey,
                     sizeof(struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
                     &zone_hash);
  GNUNET_free(keyfile);
  
  /**
   * handle to our local namestore
   */
  namestore_handle = GNUNET_NAMESTORE_connect(c);

  if (NULL == namestore_handle)
  {
    //FIXME do error handling;
    GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
               "Failed to connect to the namestore!\n");
    GNUNET_SCHEDULER_shutdown ();
    return;
  }
  
  

  auto_import_pkey = GNUNET_NO;

  if (GNUNET_YES ==
      GNUNET_CONFIGURATION_get_value_yesno (c, "gns",
                                            "AUTO_IMPORT_PKEY"))
  {
    GNUNET_log(GNUNET_ERROR_TYPE_INFO,
               "Automatic PKEY import is enabled.\n");
    auto_import_pkey = GNUNET_YES;

  }

  dht_max_update_interval = GNUNET_GNS_DHT_MAX_UPDATE_INTERVAL;

  if (GNUNET_OK ==
      GNUNET_CONFIGURATION_get_value_number (c, "gns",
                                             "ZONE_PUT_INTERVAL",
                                             &dht_max_update_interval))
  {
    GNUNET_log(GNUNET_ERROR_TYPE_INFO,
               "DHT zone update interval: %d\n",
               dht_max_update_interval);
  }
  
  max_record_put_interval = 1;

  if (GNUNET_OK ==
      GNUNET_CONFIGURATION_get_value_number (c, "gns",
                                             "RECORD_PUT_INTERVAL",
                                             &max_record_put_interval))
  {
    GNUNET_log(GNUNET_ERROR_TYPE_INFO,
               "Record put interval: %d\n",
               max_record_put_interval);
  }
  
  if (GNUNET_OK ==
      GNUNET_CONFIGURATION_get_value_number (c, "gns",
                                            "MAX_PARALLEL_BACKGROUND_QUERIES",
                                            &max_parallel_bg_queries))
  {
    GNUNET_log(GNUNET_ERROR_TYPE_INFO,
               "Number of allowed parallel background queries: %d\n",
               max_parallel_bg_queries);
  }

  if (GNUNET_YES ==
      GNUNET_CONFIGURATION_get_value_yesno (c, "gns",
                                            "AUTO_IMPORT_CONFIRMATION_REQ"))
  {
    GNUNET_log(GNUNET_ERROR_TYPE_INFO,
               "Auto import requires user confirmation\n");
    ignore_pending = GNUNET_YES;
  }

  if (GNUNET_OK ==
      GNUNET_CONFIGURATION_get_value_number(c, "gns",
                                            "DEFAULT_LOOKUP_TIMEOUT",
                                            &default_lookup_timeout_secs))
  {
    GNUNET_log(GNUNET_ERROR_TYPE_INFO,
               "Default lookup timeout: %ds\n", default_lookup_timeout_secs);
    default_lookup_timeout = GNUNET_TIME_relative_multiply(
                                            GNUNET_TIME_UNIT_SECONDS,
                                            default_lookup_timeout_secs);
  }
  
  /**
   * handle to the dht
   */
  dht_handle = GNUNET_DHT_connect(c,
                       //max_parallel_bg_queries); //FIXME get ht_len from cfg
                       1024);

  if (NULL == dht_handle)
  {
    GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Could not connect to DHT!\n");
  }
  
  if (gns_resolver_init(namestore_handle, dht_handle, zone_hash,
                        max_parallel_bg_queries,
                        ignore_pending)
      == GNUNET_SYSERR)
  {
    GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
               "Unable to initialize resolver!\n");
    GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
    return;
  }

  if (GNUNET_YES ==
      GNUNET_CONFIGURATION_get_value_yesno (c, "gns", "HIJACK_DNS"))
  {
    GNUNET_log(GNUNET_ERROR_TYPE_INFO,
               "DNS hijacking enabled... connecting to service.\n");

    if (gns_interceptor_init(zone_hash, zone_key, c) == GNUNET_SYSERR)
    {
      GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
               "Failed to enable the dns interceptor!\n");
    }
  }
  
  /**
   * Schedule periodic put
   * for our records
   * We have roughly an hour for all records;
   */
  record_put_interval = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS,
                                                      1);
  zone_update_taskid = GNUNET_SCHEDULER_add_now (&update_zone_dht_start, NULL);

  GNUNET_SERVER_add_handlers (server, handlers);
  
  //FIXME
  //GNUNET_SERVER_disconnect_notify (server,
  //                                 &client_disconnect_notification,
  //                                 NULL);

  nc = GNUNET_SERVER_notification_context_create (server, 1);

  GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task,
                                NULL);
}
Exemplo n.º 7
0
/**
 * Adapter function called to establish a connection to
 * the DHT service.
 *
 * @param cls closure
 * @param cfg configuration of the peer to connect to; will be available until
 *          GNUNET_TESTBED_operation_done() is called on the operation returned
 *          from GNUNET_TESTBED_service_connect()
 * @return service handle to return in 'op_result', NULL on error
 */
static void * 
dht_connect_adapter (void *cls,
		     const struct GNUNET_CONFIGURATION_Handle *cfg)
{
  return GNUNET_DHT_connect (cfg, 16);
}