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73 lines
2.4 KiB
C
73 lines
2.4 KiB
C
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// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of the Andrey N. Sabelnikov nor the
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// names of its contributors may be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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#pragma once
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namespace epee
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{
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namespace net_utils
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{
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inline
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bool is_ip_local(boost::uint32_t ip)
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{
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/*
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local ip area
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10.0.0.0 <EFBFBD> 10.255.255.255
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172.16.0.0 <EFBFBD> 172.31.255.255
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192.168.0.0 <EFBFBD> 192.168.255.255
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*/
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if( (ip | 0xffffff00) == 0xffffff0a)
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return true;
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if( (ip | 0xffff0000) == 0xffffa8c0)
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return true;
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if( (ip | 0xffffff00) == 0xffffffac)
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{
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uint32_t second_num = (ip << 8) & 0xff000000;
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if(second_num >= 16 && second_num <= 31 )
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return true;
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}
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return false;
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}
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inline
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bool is_ip_loopback(boost::uint32_t ip)
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{
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if( (ip | 0xffffff00) == 0xffffff7f)
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return true;
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//MAKE_IP
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/*
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loopback ip
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127.0.0.0 <EFBFBD> 127.255.255.255
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*/
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return false;
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}
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}
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}
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