mirror of
https://github.com/mfontanini/libtins
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72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
/*
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* Copyright (c) 2014, Matias Fontanini
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <stdexcept>
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#include <cstring>
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#include "exceptions.h"
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#include "pktap.h"
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#include "internals.h"
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namespace Tins {
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PKTAP::PKTAP(const uint8_t* buffer, uint32_t total_sz)
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{
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if (total_sz < sizeof(pktap_header)) {
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throw malformed_packet();
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}
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memcpy(&header_, buffer, sizeof(header_));
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uint32_t header_length = header_.length;
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if (header_length > total_sz) {
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throw malformed_packet();
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}
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buffer += header_length;
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total_sz -= header_length;
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if (header_.next && total_sz > 0) {
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inner_pdu(
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Internals::pdu_from_dlt_flag(
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header_.dlt,
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buffer,
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total_sz
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)
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);
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}
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}
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uint32_t PKTAP::header_size() const
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{
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return sizeof(header_);
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}
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void PKTAP::write_serialization(uint8_t *buffer, uint32_t total_sz, const PDU *parent)
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{
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throw std::runtime_error("PKTAP cannot be serialized");
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}
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} // Tins
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