mirror of
https://github.com/mfontanini/libtins
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124 lines
3.6 KiB
C++
124 lines
3.6 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_RAWPDU_H
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#define TINS_RAWPDU_H
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#include <vector>
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#include "pdu.h"
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namespace Tins {
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/** \brief Represents a PDU which holds raw data.
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*
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* In order to send payloads over TCP, UDP, or other transport layer or
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* higher level protocols, RawPDU can be used as a wrapper for raw byte arrays.
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*/
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class RawPDU : public PDU {
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public:
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/**
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* The type used to store the payload.
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*/
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typedef std::vector<uint8_t> payload_type;
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/**
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* This PDU's flag.
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*/
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static const PDU::PDUType pdu_flag = PDU::RAW;
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/**
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* \brief Creates an instance of RawPDU.
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*
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* The payload is copied, therefore the original payload's memory
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* must be freed by the user.
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* \param pload The payload which the RawPDU will contain.
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* \param size The size of the payload.
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*/
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RawPDU(const uint8_t *pload, uint32_t size);
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/**
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* \brief Setter for the payload field
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* \param pload The payload to be set.
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*/
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void payload(const payload_type &pload);
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/**
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* \brief Setter for the payload field
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* \param start The start of the new payload.
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* \param end The end of the new payload.
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*/
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template<typename ForwardIterator>
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void payload(ForwardIterator start, ForwardIterator end) {
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_payload.assign(start, end);
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}
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/**
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* \brief Const getter for the payload.
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* \return The RawPDU's payload.
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*/
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const payload_type &payload() const { return _payload; }
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/**
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* \brief Non-const getter for the payload.
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* \return The RawPDU's payload.
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*/
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payload_type &payload() { return _payload; }
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/**
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* \brief Returns the header size.
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*
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* This returns the same as RawPDU::payload_size().
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*
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* This metod overrides PDU::header_size. \sa PDU::header_size
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*/
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uint32_t header_size() const;
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/**
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* \brief Returns the payload size.
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*
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* \return uint32_t containing the payload size.
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*/
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uint32_t payload_size() const {
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return _payload.size();
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}
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/**
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* \brief Getter for the PDU's type.
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* \sa PDU::pdu_type
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*/
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PDUType pdu_type() const { return PDU::RAW; }
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/**
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* \sa PDU::clone
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*/
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RawPDU *clone() const {
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return new RawPDU(*this);
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}
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private:
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void write_serialization(uint8_t *buffer, uint32_t total_sz, const PDU *parent);
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payload_type _payload;
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};
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};
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#endif // TINS_RAWPDU_H
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