mirror of
https://github.com/mfontanini/libtins
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107 lines
2.8 KiB
C++
107 lines
2.8 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_PACKET_WRITER_H
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#define TINS_PACKET_WRITER_H
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#include <string>
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#include <iterator>
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#include <pcap.h>
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namespace Tins {
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class PDU;
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/**
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* \class PacketWriter
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* \brief Writes PDUs to a pcap format file.
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*/
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class PacketWriter {
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public:
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/**
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* \brief The type of PDUs that will be written to this file.
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*
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* This flag should match the type of the lowest layer PDU to be
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* written.
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*/
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enum LinkType {
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RADIOTAP = DLT_IEEE802_11_RADIO,
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ETH2 = DLT_EN10MB
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};
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/**
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* \brief Constructs a PacketWriter.
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* \param file_name The file in which to store the written PDUs.
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* \param lt The link type which will be written to this file.
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* \sa LinkType.
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*/
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PacketWriter(const std::string &file_name, LinkType lt);
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/**
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* Destructor.
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*/
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~PacketWriter();
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/**
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* \brief Writes a PDU to this file.
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*/
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void write(PDU &pdu);
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/**
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* \brief Writes all the PDUs in the range [start, end)
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* \param start A forward iterator pointing to the first PDU
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* to be written.
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* \param end A forward iterator pointing to one past the last
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* PDU in the range.
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*/
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template<typename ForwardIterator>
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void write(ForwardIterator start, ForwardIterator end) {
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typedef typename std::iterator_traits<ForwardIterator>::value_type value_type;
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typedef derefer<value_type> deref_type;
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while(start != end)
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write(deref_type::deref(*start++));
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}
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private:
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template<typename T>
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struct derefer {
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static T &deref(T &value) {
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return value;
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}
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};
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template<typename T>
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struct derefer<T*> {
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static T &deref(T *value) {
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return *value;
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}
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};
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// You shall not copy
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PacketWriter(const PacketWriter&);
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PacketWriter& operator=(const PacketWriter&);
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pcap_t *handle;
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pcap_dumper_t *dumper;
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};
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}
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#endif // TINS_PACKET_WRITER_H
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