/usr/include/tins/dot11/dot11_beacon.h is in libtins-dev 1.1-1.
This file is owned by root:root, with mode 0o644.
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* Copyright (c) 2012, Matias Fontanini
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef TINS_DOT11_DOT11_BEACON_H
#define TINS_DOT11_DOT11_BEACON_H
#include "../dot11/dot11_mgmt.h"
namespace Tins {
/**
* \brief Class representing an 802.11 Beacon.
*
*/
class Dot11Beacon : public Dot11ManagementFrame {
public:
/**
* \brief This PDU's flag.
*/
static const PDU::PDUType pdu_flag = PDU::DOT11_BEACON;
/**
* \brief Constructor for creating a 802.11 Beacon.
*
* Constructs a 802.11 Beacon taking destination and source
* hardware address.
*
* \param dst_hw_addr The destination hardware address.
* \param src_hw_addr The source hardware address.
*/
Dot11Beacon(const address_type &dst_hw_addr = address_type(),
const address_type &src_hw_addr = address_type());
/**
* \brief Constructs a Dot11Beacon object from a buffer and adds
* all identifiable PDUs found in the buffer as children of this
* one.
*
* If the next PDU is not recognized, then a RawPDU is used.
*
* If there is not enough size for the header in the buffer
* or the input data is malformed, a malformed_packet exception
* is thrown.
*
* \param buffer The buffer from which this PDU will be constructed.
* \param total_sz The total size of the buffer.
*/
Dot11Beacon(const uint8_t *buffer, uint32_t total_sz);
/**
* \brief Getter for the timestamp field.
*
* \return The stored timestamp value.
*/
uint64_t timestamp() const { return Endian::le_to_host(_body.timestamp); }
/**
* \brief Getter for the interval field.
*
* \return The stored interval value.
*/
uint16_t interval() const { return Endian::le_to_host(_body.interval); }
/**
* \brief Getter for the Capabilities Information structure.
*
* \return A constant refereence to the stored Capabilities
* Information field.
*/
const capability_information& capabilities() const { return _body.capability; }
/**
* \brief Getter for the Capabilities Information.
*
* \return A refereence to the stored Capabilities Information
* field.
*/
capability_information& capabilities() { return _body.capability; }
/**
* \brief Setter for the timestamp field.
*
* \param new_timestamp The timestamp to be set.
*/
void timestamp(uint64_t new_timestamp);
/**
* \brief Setter for the interval field.
*
* \param new_interval The interval to be set.
*/
void interval(uint16_t new_interval);
/**
* \brief Returns the frame's header length.
*
* \return An uint32_t with the header's size.
* \sa PDU::header_size()
*/
uint32_t header_size() const;
/**
* \brief Check wether this PDU matches the specified flag.
* \param flag The flag to match
* \sa PDU::matches_flag
*/
bool matches_flag(PDUType flag) const {
return flag == pdu_flag || Dot11ManagementFrame::matches_flag(flag);
}
/**
* \brief Clones this PDU.
*
* \sa PDU::clone
*/
Dot11Beacon *clone() const {
return new Dot11Beacon(*this);
}
/**
* \brief Getter for the PDU's type.
* \sa PDU::pdu_type
*/
PDUType pdu_type() const { return pdu_flag; }
private:
TINS_BEGIN_PACK
struct BeaconBody {
uint64_t timestamp;
uint16_t interval;
capability_information capability;
} TINS_END_PACK;
uint32_t write_fixed_parameters(uint8_t *buffer, uint32_t total_sz);
BeaconBody _body;
};
} // namespace Tins
#endif // TINS_DOT11_DOT11_BEACON_H
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