mirror of
https://github.com/mfontanini/libtins
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113 lines
3.6 KiB
C++
113 lines
3.6 KiB
C++
/*
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* Copyright (c) 2014, Matias Fontanini
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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
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* met:
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*
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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
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* 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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <algorithm>
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#include "macros.h"
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#ifndef WIN32
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#include <arpa/inet.h>
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#ifdef BSD
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#include <sys/socket.h>
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#endif
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#else
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#include <ws2tcpip.h>
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#include <mstcpip.h>
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#endif
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#include <limits>
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#include <sstream>
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#include "ipv6_address.h"
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#include "address_range.h"
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namespace Tins {
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const IPv6Address loopback_address = "::1";
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const AddressRange<IPv6Address> multicast_range = IPv6Address("ff00::") / 8;
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IPv6Address::IPv6Address() {
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std::fill(address, address + address_size, 0);
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}
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IPv6Address::IPv6Address(const char *addr) {
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init(addr);
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}
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IPv6Address::IPv6Address(const_iterator ptr) {
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std::copy(ptr, ptr + address_size, address);
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}
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IPv6Address::IPv6Address(const std::string &addr) {
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init(addr.c_str());
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}
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void IPv6Address::init(const char *addr) {
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#ifdef WIN32
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// mingw on linux somehow doesn't have InetPton
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#ifdef _MSC_VER
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if(InetPtonA(AF_INET6, addr, address) != 1)
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throw malformed_address();
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#else
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ULONG dummy1;
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USHORT dummy2;
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// Maybe change this, mingw doesn't have any other conversion function
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if(RtlIpv6StringToAddressExA(addr, (IN6_ADDR*)address, &dummy1, &dummy2) != NO_ERROR)
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throw malformed_address();
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#endif
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#else
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if(inet_pton(AF_INET6, addr, address) == 0)
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throw malformed_address();
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#endif
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}
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std::string IPv6Address::to_string() const {
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char buffer[INET6_ADDRSTRLEN];
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#ifdef WIN32
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// mingw on linux somehow doesn't have InetNtop
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#ifdef _MSC_VER
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if(InetNtopA(AF_INET6, (PVOID)address, buffer, sizeof(buffer)) != 0)
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throw malformed_address();
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#else
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ULONG sz = sizeof(buffer);
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if(RtlIpv6AddressToStringExA((const IN6_ADDR*)address, 0, 0, buffer, &sz) != NO_ERROR)
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throw malformed_address();
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#endif
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#else
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if(inet_ntop(AF_INET6, address, buffer, sizeof(buffer)) == 0)
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throw malformed_address();
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#endif
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return buffer;
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}
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bool IPv6Address::is_loopback() const {
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return loopback_address == *this;
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}
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bool IPv6Address::is_multicast() const {
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return multicast_range.contains(*this);
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}
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}
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