package org.krakenapps.pcap.decoder.smb.comparser;
import org.krakenapps.pcap.decoder.smb.SmbSession;
import org.krakenapps.pcap.decoder.smb.request.ReadMPXRequest;
import org.krakenapps.pcap.decoder.smb.response.ReadMPXResponse;
import org.krakenapps.pcap.decoder.smb.structure.SmbData;
import org.krakenapps.pcap.decoder.smb.structure.SmbHeader;
import org.krakenapps.pcap.util.Buffer;
import org.krakenapps.pcap.util.ByteOrderConverter;
public class ReadMPXParser implements SmbDataParser{
@Override
public SmbData parseRequest(SmbHeader h,Buffer b , SmbSession session) {
ReadMPXRequest data = new ReadMPXRequest();
data.setWordCount(b.get());
data.setFid(ByteOrderConverter.swap(b.getShort()));
data.setOffset(ByteOrderConverter.swap(b.getInt()));
data.setMaxCountOfBytesToReturn(ByteOrderConverter.swap(b.getShort()));
data.setMinCountOfBytesToReturn(ByteOrderConverter.swap(b.getShort()));
data.setTimeout(ByteOrderConverter.swap(b.getInt()));
data.setReserved(ByteOrderConverter.swap(b.getShort()));// it only 0x0000
data.setByteCount(ByteOrderConverter.swap(b.getShort()));
return data;
}
@Override
public SmbData parseResponse(SmbHeader h,Buffer b ,SmbSession session) {
ReadMPXResponse data = new ReadMPXResponse();
byte []pad;
byte []datas;
data.setWordCount(b.get());
data.setOffset(ByteOrderConverter.swap(b.getInt()));
data.setCount(ByteOrderConverter.swap(b.getShort()));
data.setRemaining(ByteOrderConverter.swap(b.getShort()));
data.setDataCompactionMode(ByteOrderConverter.swap(b.getShort()));
data.setReserved(ByteOrderConverter.swap(b.getShort()));
data.setDataLength(ByteOrderConverter.swap(b.getShort()));
data.setDataOffset(ByteOrderConverter.swap(b.getShort()));
data.setByteCount(ByteOrderConverter.swap(b.getShort()));
if(b.readableBytes() != data.getByteCount()){
data.setMalformed(true);
return data;
}
pad = new byte[data.getDataOffset()-(32+19)];
if(pad.length !=0){
b.gets(pad);
}
datas = new byte[data.getDataLength()];
data.setPad(pad);
data.setData(datas);
return data;
}
}