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76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
// Copyright (c) 2014, The Monero Project
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//
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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 modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2006-2013, Andrey N. Sabelnikov
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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(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 — 10.255.255.255
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172.16.0.0 — 172.31.255.255
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192.168.0.0 — 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(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 — 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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