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/*
* Copyright (C) 2008-2019 TrinityCore <https://www.trinitycore.org/>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program 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 General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef IpNetwork_h__
#define IpNetwork_h__
#include "Define.h"
#include "IpAddress.h"
#include <boost/version.hpp>
#if BOOST_VERSION >= 106600
#include <boost/asio/ip/network_v4.hpp>
#include <boost/asio/ip/network_v6.hpp>
#endif
namespace Trinity
{
namespace Net
{
inline bool IsInNetwork(boost::asio::ip::address_v4 const& networkAddress, boost::asio::ip::address_v4 const& mask, boost::asio::ip::address_v4 const& clientAddress)
{
#if BOOST_VERSION >= 106600
boost::asio::ip::network_v4 network = boost::asio::ip::make_network_v4(networkAddress, mask);
boost::asio::ip::address_v4_range hosts = network.hosts();
return hosts.find(clientAddress) != hosts.end();
#else
return (clientAddress.to_ulong() & mask.to_ulong()) == (networkAddress.to_ulong() & mask.to_ulong());
#endif
}
inline boost::asio::ip::address_v4 GetDefaultNetmaskV4(boost::asio::ip::address_v4 const& networkAddress)
{
if ((address_to_uint(networkAddress) & 0x80000000) == 0)
return boost::asio::ip::address_v4(0xFF000000);
if ((address_to_uint(networkAddress) & 0xC0000000) == 0x80000000)
return boost::asio::ip::address_v4(0xFFFF0000);
if ((address_to_uint(networkAddress) & 0xE0000000) == 0xC0000000)
return boost::asio::ip::address_v4(0xFFFFFF00);
return boost::asio::ip::address_v4(0xFFFFFFFF);
}
inline bool IsInNetwork(boost::asio::ip::address_v6 const& networkAddress, uint16 prefixLength, boost::asio::ip::address_v6 const& clientAddress)
{
#if BOOST_VERSION >= 106600
boost::asio::ip::network_v6 network = boost::asio::ip::make_network_v6(networkAddress, prefixLength);
boost::asio::ip::address_v6_range hosts = network.hosts();
return hosts.find(clientAddress) != hosts.end();
#else
(void)networkAddress;
(void)prefixLength;
(void)clientAddress;
return false;
#endif
}
}
}
#endif // IpNetwork_h__
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