87 lines
2.7 KiB
C
87 lines
2.7 KiB
C
/*
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* ZeroTier SDK - Network Virtualization Everywhere
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* Copyright (C) 2011-2017 ZeroTier, Inc. https://www.zerotier.com/
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* --
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*
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* You can be released from the requirements of the license by purchasing
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* a commercial license. Buying such a license is mandatory as soon as you
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* develop commercial closed-source software that incorporates or links
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* directly against ZeroTier software without disclosing the source code
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* of your own application.
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*/
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/**
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* @file
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*
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* Misc utilities
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*/
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#ifndef LIBZT_UTILITIES_H
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#define LIBZT_UTILITIES_H
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#include "InetAddress.hpp"
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/**
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* @brief Returns masked address for subnet comparisons
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*
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* @usage For internal use only.
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* @param socket_type
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* @return
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*/
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bool ipv6_in_subnet(ZeroTier::InetAddress *subnet, ZeroTier::InetAddress *addr);
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/**
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* @brief Convert protocol numbers to human-readable strings
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*
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* @usage For internal use only.
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* @param proto
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* @return
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*/
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char *beautify_eth_proto_nums(int proto);
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/**
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* @brief Convert a struct sockaddr to a ZeroTier::InetAddress
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*
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* @usage For internal use only.
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* @param socket_family
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* @param addr
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* @param inet
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* @return
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*/
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void sockaddr2inet(int socket_family, const struct sockaddr *addr, ZeroTier::InetAddress *inet);
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/**
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* @brief Convert a raw MAC address byte array into a human-readable string
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*
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* @usage For internal use only.
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* @param macbuf
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* @param len
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* @param addr
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* @return
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*/
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void mac2str(char *macbuf, int len, unsigned char* addr);
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#if defined(STACK_LWIP) && defined(LIBZT_IPV6)
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#define IP6_ADDR2(ipaddr, a,b,c,d,e,f,g,h) do { (ipaddr)->addr[0] = ZeroTier::Utils::hton((u32_t)((a & 0xffff) << 16) | (b & 0xffff)); \
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(ipaddr)->addr[1] = ZeroTier::Utils::hton(((c & 0xffff) << 16) | (d & 0xffff)); \
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(ipaddr)->addr[2] = ZeroTier::Utils::hton(((e & 0xffff) << 16) | (f & 0xffff)); \
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(ipaddr)->addr[3] = ZeroTier::Utils::hton(((g & 0xffff) << 16) | (h & 0xffff)); } while(0)
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#endif
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#endif // _H
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