99 lines
3.3 KiB
C++
99 lines
3.3 KiB
C++
/*
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Copyright (C) 2011 Srivats P.
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This file is part of "Ostinato"
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This is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#include "tcppdml.h"
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#include "hexdump.pb.h"
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#include "tcp.pb.h"
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PdmlTcpProtocol::PdmlTcpProtocol()
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{
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ostProtoId_ = OstProto::Protocol::kTcpFieldNumber;
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fieldMap_.insert("tcp.srcport", OstProto::Tcp::kSrcPortFieldNumber);
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fieldMap_.insert("tcp.dstport", OstProto::Tcp::kDstPortFieldNumber);
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fieldMap_.insert("tcp.seq", OstProto::Tcp::kSeqNumFieldNumber);
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fieldMap_.insert("tcp.ack", OstProto::Tcp::kAckNumFieldNumber);
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fieldMap_.insert("tcp.hdr_len", OstProto::Tcp::kHdrlenRsvdFieldNumber);
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fieldMap_.insert("tcp.flags", OstProto::Tcp::kFlagsFieldNumber);
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fieldMap_.insert("tcp.window_size", OstProto::Tcp::kWindowFieldNumber);
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fieldMap_.insert("tcp.checksum", OstProto::Tcp::kCksumFieldNumber);
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fieldMap_.insert("tcp.urgent_pointer", OstProto::Tcp::kUrgPtrFieldNumber);
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}
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PdmlProtocol* PdmlTcpProtocol::createInstance()
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{
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return new PdmlTcpProtocol();
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}
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void PdmlTcpProtocol::unknownFieldHandler(QString name, int /*pos*/,
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int /*size*/, const QXmlStreamAttributes &attributes,
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OstProto::Protocol *pbProto, OstProto::Stream* /*stream*/)
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{
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if (name == "tcp.options")
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options_ = QByteArray::fromHex(attributes.value("value").toString().toUtf8());
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else if (name == "")
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{
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if (attributes.value("show").toString().startsWith("Acknowledgement number"))
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{
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bool isOk;
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OstProto::Tcp *tcp = pbProto->MutableExtension(OstProto::tcp);
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tcp->set_ack_num(attributes.value("value").toString().toUInt(&isOk, kBaseHex));
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}
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#if 0
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else if (attributes.value("show").toString().startsWith("TCP segment data"))
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{
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segmentData_ = QByteArray::fromHex(attributes.value("value").toString().toUtf8());
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stream->mutable_core()->mutable_name()->insert(0,
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segmentData_.constData(), segmentData_.size());
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}
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#endif
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}
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}
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void PdmlTcpProtocol::postProtocolHandler(OstProto::Protocol *pbProto,
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OstProto::Stream *stream)
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{
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OstProto::Tcp *tcp = pbProto->MutableExtension(OstProto::tcp);
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qDebug("Tcp: post\n");
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tcp->set_is_override_src_port(true);
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tcp->set_is_override_dst_port(true);
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tcp->set_is_override_hdrlen(true);
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tcp->set_is_override_cksum(true);
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if (options_.size())
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{
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OstProto::Protocol *proto = stream->add_protocol();
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proto->mutable_protocol_id()->set_id(
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OstProto::Protocol::kHexDumpFieldNumber);
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OstProto::HexDump *hexDump = proto->MutableExtension(OstProto::hexDump);
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hexDump->mutable_content()->append(options_.constData(),
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options_.size());
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hexDump->set_pad_until_end(false);
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options_.resize(0);
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}
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}
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