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path: root/src/transport/test_transport_api_blacklisting.c
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/*
     This file is part of GNUnet.
     Copyright (C) 2009, 2010, 2011, 2016 GNUnet e.V.

     GNUnet is free software: you can redistribute it and/or modify it
     under the terms of the GNU Affero General Public License as published
     by the Free Software Foundation, either version 3 of the License,
     or (at your option) any later version.

     GNUnet is distributed in the hope that it will be useful, but
     WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Affero General Public License for more details.

     You should have received a copy of the GNU Affero General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.

     SPDX-License-Identifier: AGPL3.0-or-later
 */

/**
 * @file transport/test_transport_api_blacklisting.c
 * @brief test for the blacklisting API
 * @author Matthias Wachs
 * @author Christian Grothoff
 */
#include "platform.h"
#include "gnunet_transport_service.h"
#include "transport-testing.h"

#define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 30)

static struct GNUNET_TRANSPORT_TESTING_ConnectCheckContext *ccc;

static int connected;

static int blacklist_request_p1;

static int blacklist_request_p2;

static struct GNUNET_TRANSPORT_Blacklist *blacklist_p1;

static struct GNUNET_TRANSPORT_Blacklist *blacklist_p2;

static struct GNUNET_SCHEDULER_Task *shutdown_task;


static void
end(void *cls)
{
  shutdown_task = NULL;
  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
             "Stopping\n");
  if ((GNUNET_YES == blacklist_request_p1) &&
      (GNUNET_YES == blacklist_request_p2) &&
      (GNUNET_NO == connected))
    {
      GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
                 "Peers were never connected, success\n");
      ccc->global_ret = GNUNET_OK;
    }
  else
    {
      GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
                 "Peers were not connected, fail\n");
      ccc->global_ret = GNUNET_SYSERR;
    }
  GNUNET_SCHEDULER_shutdown();
}


static void
custom_shutdown(void *cls)
{
  if (NULL != shutdown_task)
    {
      GNUNET_SCHEDULER_cancel(shutdown_task);
      shutdown_task = NULL;
    }
  if (NULL != blacklist_p1)
    {
      GNUNET_TRANSPORT_blacklist_cancel(blacklist_p1);
      blacklist_p1 = NULL;
    }
  if (NULL != blacklist_p2)
    {
      GNUNET_TRANSPORT_blacklist_cancel(blacklist_p2);
      blacklist_p2 = NULL;
    }
}


static void
notify_receive(void *cls,
               struct GNUNET_TRANSPORT_TESTING_PeerContext *receiver,
               const struct GNUNET_PeerIdentity *sender,
               const struct GNUNET_TRANSPORT_TESTING_TestMessage *message)
{
  GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
             "Unexpectedly even received the message despite blacklist\n");
  connected = GNUNET_YES;
  GNUNET_SCHEDULER_cancel(shutdown_task);
  end(NULL);
}


static void
notify_connect(void *cls,
               struct GNUNET_TRANSPORT_TESTING_PeerContext *me,
               const struct GNUNET_PeerIdentity *other)
{
  GNUNET_TRANSPORT_TESTING_log_connect(cls,
                                       me,
                                       other);
  GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
             "Peers connected despite blacklist!\n");
  connected = GNUNET_YES; /* this test now failed */
  GNUNET_SCHEDULER_cancel(shutdown_task);
  end(NULL);
}


static int
blacklist_cb(void *cls,
             const struct GNUNET_PeerIdentity *pid)
{
  struct GNUNET_TRANSPORT_TESTING_PeerContext *p = cls;
  int res = GNUNET_SYSERR;

  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
             "Peer %u: Blacklist request for peer `%s'\n",
             p->no,
             GNUNET_i2s(pid));

  if (p == ccc->p[0])
    {
      blacklist_request_p1 = GNUNET_YES;
      res = GNUNET_OK;
    }
  if (p == ccc->p[1])
    {
      blacklist_request_p2 = GNUNET_YES;
      res = GNUNET_SYSERR;
    }

  if ((GNUNET_YES == blacklist_request_p2) &&
      (GNUNET_YES == blacklist_request_p1) &&
      (NULL == shutdown_task))
    {
      shutdown_task
        = GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 3),
                                       &end,
                                       NULL);
    }
  return res;
}


static void
start_blacklist(void *cls)
{
  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
             "Starting blacklists\n");
  blacklist_p1 = GNUNET_TRANSPORT_blacklist(ccc->p[0]->cfg,
                                            &blacklist_cb,
                                            ccc->p[0]);
  GNUNET_assert(NULL != blacklist_p1);
  blacklist_p2 = GNUNET_TRANSPORT_blacklist(ccc->p[1]->cfg,
                                            &blacklist_cb,
                                            ccc->p[1]);
  GNUNET_assert(NULL != blacklist_p2);
}


int
main(int argc,
     char *argv[])
{
  struct GNUNET_TRANSPORT_TESTING_SendClosure sc = {
    .num_messages = 1
  };
  struct GNUNET_TRANSPORT_TESTING_ConnectCheckContext my_ccc = {
    .pre_connect_task = &start_blacklist,
    .connect_continuation = &GNUNET_TRANSPORT_TESTING_simple_send,
    .connect_continuation_cls = &sc,
    .config_file = "test_transport_api_data.conf",
    .rec = &notify_receive,
    .nc = &notify_connect,
    .nd = &GNUNET_TRANSPORT_TESTING_log_disconnect,
    .shutdown_task = &custom_shutdown,
    .timeout = TIMEOUT,
    .bi_directional = GNUNET_YES
  };

  ccc = &my_ccc;
  if (GNUNET_OK !=
      GNUNET_TRANSPORT_TESTING_main(2,
                                    &GNUNET_TRANSPORT_TESTING_connect_check,
                                    ccc))
    return 1;
  return 0;
}


/* end of transport_api_blacklisting.c */