mirror of
https://github.com/mfontanini/libtins
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132 lines
3.8 KiB
C++
132 lines
3.8 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 __RADIOTAP_H
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#define __RADIOTAP_H
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#include <stdexcept>
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#include "pdu.h"
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namespace Tins {
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/**
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* \brief Class that represents the IEEE 802.11 radio tap header.
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*/
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class RadioTap : public PDU {
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public:
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/**
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* Creates an instance of RadioTap.
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* \param iface The name of the interface in which to send this PDU.
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*/
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RadioTap(const std::string &iface) throw (std::runtime_error);
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/**
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* Creates an instance of RadioTap.
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* \param iface_index The index of the interface in which to send this PDU.
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*/
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RadioTap(uint32_t iface_index);
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/* Setters */
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/**
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* \sa PDU::send()
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*/
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bool send(PacketSender* sender);
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/**
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* \brief Setter for the version field.
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* \param new_version The new version.
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*/
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void version(uint8_t new_version);
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/**
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* \brief Setter for the padding field.
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* \param new_padding The new padding.
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*/
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void padding(uint8_t new_padding);
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/**
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* \brief Setter for the length field.
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* \param new_length The new length.
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*/
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void length(uint8_t new_length);
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/**
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* \brief Setter for the present field.
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* \param new_present The new present.
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*/
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void present(uint8_t new_present);
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/* Getters */
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/**
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* \brief Getter for the version field.
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* \return The version field.
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*/
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inline uint8_t version() const { return _radio.it_version; }
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/**
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* \brief Getter for the padding field.
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* \return The padding field.
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*/
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inline uint8_t padding() const { return _radio.it_pad; }
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/**
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* \brief Getter for the length field.
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* \return The length field.
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*/
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inline uint8_t length() const { return _radio.it_len; }
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/**
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* \brief Getter for the present field.
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* \return The present field.
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*/
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inline uint8_t present() const { return _radio.it_present; }
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/**
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* \brief Returns the 802.11 frame's header length.
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*
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* \return An uint32_t with the header's size.
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* \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 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::RADIOTAP; }
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private:
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struct radiotap_hdr {
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u_int8_t it_version;
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u_int8_t it_pad;
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u_int16_t it_len;
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u_int32_t it_present;
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} __attribute__((__packed__));
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void write_serialization(uint8_t *buffer, uint32_t total_sz, const PDU *parent);
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radiotap_hdr _radio;
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uint32_t _iface_index;
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};
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};
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#endif
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