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// Copyright (c) 2014, The Monero Project
// 
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
// 
// 1. Redistributions of source code must retain the above copyright notice, this list of
//    conditions and the following disclaimer.
// 
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
//    of conditions and the following disclaimer in the documentation and/or other
//    materials provided with the distribution.
// 
// 3. Neither the name of the copyright holder nor the names of its contributors may be
//    used to endorse or promote products derived from this software without specific
//    prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// 
// Parts of this file are originally copyright (c) 2006-2013, Andrey N. Sabelnikov

#pragma once

namespace epee
{
  namespace net_utils
  {
    inline
    bool is_ip_local(uint32_t ip)
    {
      /*
      local ip area
      10.0.0.0 — 10.255.255.255 
      172.16.0.0 — 172.31.255.255 
      192.168.0.0 — 192.168.255.255 
      */
      if( (ip | 0xffffff00) == 0xffffff0a)
        return true;

      if( (ip | 0xffff0000) == 0xffffa8c0)
        return true;

      if( (ip | 0xffffff00) == 0xffffffac)
      {
        uint32_t second_num = (ip << 8) & 0xff000000;
        if(second_num >= 16 && second_num <= 31 )
          return true;
      }
      return false;
    }
    inline
    bool is_ip_loopback(uint32_t ip)
    {
      if( (ip | 0xffffff00) == 0xffffff7f)
        return true;
      //MAKE_IP
      /*
      loopback ip
      127.0.0.0 — 127.255.255.255 
      */
      return false;
    }
   
  }
}