mirror of
https://github.com/mfontanini/libtins
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125 lines
3.9 KiB
C++
125 lines
3.9 KiB
C++
/*
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* libtins is a net packet wrapper library for crafting and
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* interpreting sniffed packets.
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*
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* Copyright (C) 2011 Nasel
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef TINS_IPADDRESS_H
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#define TINS_IPADDRESS_H
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#include <string>
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#include <iostream>
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#include <stdint.h>
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namespace Tins {
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/**
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* \class IPv4Address
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* \brief Abstraction of an IPv4 address.
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*/
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class IPv4Address {
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public:
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/**
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* The address size.
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*/
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static const size_t address_size = sizeof(uint32_t);
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/**
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* \brief Constructor taking a const char*.
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*
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* Constructs an IPv4Address from a dotted-notation address
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* cstring. If the pointer provided is null, then a default
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* IPv4Address object is constructed, which corresponds to
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* the 0.0.0.0 address.
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*
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* \param ip const char* containing the dotted-notation address.
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*/
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IPv4Address(const char *ip = 0);
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/**
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* \brief Constructor taking a std::string.
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*
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* Constructs an IPv4Address from a dotted-notation std::strings
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*
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* \param ip std::string containing the dotted-notation address.
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*/
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IPv4Address(const std::string &ip);
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/**
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* \brief Constructor taking a IP address represented as a
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* big endian integer.
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*
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* This constructor should be used internally by PDUs that
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* handle IP addresses. The provided integer <b>must</b> be
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* be in big endian.
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*/
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explicit IPv4Address(uint32_t ip);
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/**
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* \brief User defined conversion to big endian integral value.
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*/
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operator uint32_t() const;
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/**
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* \brief Retrieve the string representation of this address.
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*
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* \return std::string containing the representation of this address.
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*/
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std::string to_string() const;
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/**
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* \brief Compare this IPv4Address for equality.
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*
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* \param rhs The address to be compared.
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* \return bool indicating whether this address equals rhs.
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*/
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bool operator==(const IPv4Address &rhs) const {
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return ip_addr == rhs.ip_addr;
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}
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/**
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* \brief Compare this IPv4Address for inequality.
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*
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* \param rhs The address to be compared.
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* \return bool indicating whether this address is distinct
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* from rhs.
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*/
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bool operator!=(const IPv4Address &rhs) const {
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return !(*this == rhs);
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}
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/**
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* \brief Writes this address to a std::ostream.
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*
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* This method writes addr in a dotted-string notation address
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* to the std::ostream argument.
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*
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* \param output The std::ostream in which to write the address.
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* \param addr The IPv4Address to be written.
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* \return std::stream& pointing to output.
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*/
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friend std::ostream &operator<<(std::ostream &output, const IPv4Address &addr);
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private:
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uint32_t ip_to_int(const std::string &ip);
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uint32_t ip_addr;
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};
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};
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#endif // TINS_IPADDRESS_H
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