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SharpPcap 라이브러리를 사용하여 패킷을 캡처하려고합니다. 패킷 세부 정보를 반환 할 수 있지만 패킷 내용이 무엇인지 알아보기 위해 문제가 있습니다.SharpPcap - 패킷 캡처 문제가 발생했습니다.
.Data를 사용하여 패킷을 반환하고 메시지를 사용할 때 반환합니다 (System.Byte []). 나는 비트를 사용할 필요가 있으므로
데이터 바이트 배열입니다 내가 답을 발견
string packetData;
private void packetCapturingThreadMethod()
{
Packet packet = null;
int countOfPacketCaptures = 0;
while ((packet = device.GetNextPacket()) != null)
{
packet = device.GetNextPacket();
if (packet is TCPPacket)
{
TCPPacket tcp = (TCPPacket)packet;
myPacket tempPacket = new myPacket();
tempPacket.packetType = "TCP";
tempPacket.sourceAddress = Convert.ToString(tcp.SourceAddress);
tempPacket.destinationAddress = Convert.ToString(tcp.DestinationAddress);
tempPacket.sourcePort = Convert.ToString(tcp.SourcePort);
tempPacket.destinationPort = Convert.ToString(tcp.DestinationPort);
tempPacket.packetMessage = Convert.ToString(tcp.Data);
packetsList.Add(tempPacket);
packetData =
"Type= TCP" +
" Source Address = "+ Convert.ToString(tcp.SourceAddress)+
" Destination Address =" +Convert.ToString(tcp.DestinationAddress)+
" SourcePort =" + Convert.ToString(tcp.SourcePort)+
" SourcePort =" +Convert.ToString(tcp.DestinationPort)+
" Messeage =" + Convert.ToString(tcp.Data);
txtpackets.Invoke(new UpdatetxtpacketsCallback(this.Updatetxtpackets),
new object[] { packetData });
string[] row = { packetsList[countOfPacketCaptures].packetType, packetsList[countOfPacketCaptures].sourceAddress, packetsList[countOfPacketCaptures].destinationAddress, packetsList[countOfPacketCaptures].sourcePort, packetsList[countOfPacketCaptures].destinationPort, packetsList[countOfPacketCaptures].packetMessage };
try { //dgwPacketInfo.Rows.Add(row); countOfPacketCaptures++;
//lblCapturesLabels.Text = Convert.ToString(countOfPacketCaptures);
}
catch (Exception e) { }
}
else if (packet is UDPPacket)
{
UDPPacket udp = (UDPPacket)packet;
myPacket tempPacket = new myPacket();
tempPacket.packetType = "UDP";
tempPacket.sourceAddress = Convert.ToString(udp.SourceAddress);
tempPacket.destinationAddress = Convert.ToString(udp.DestinationAddress);
tempPacket.sourcePort = Convert.ToString(udp.SourcePort);
tempPacket.destinationPort = Convert.ToString(udp.DestinationPort);
tempPacket.packetMessage = udp.Data.ToArray() + "\n";
packetsList.Add(tempPacket);
packetData =
"Type= UDP" +
" Source Address = "+ Convert.ToString(udp.SourceAddress)+
" Destination Address =" +Convert.ToString(udp.DestinationAddress)+
" SourcePort =" + Convert.ToString(udp.SourcePort)+
" SourcePort =" +Convert.ToString(udp.DestinationPort)+
" Messeage =" + udp.Data.ToArray() + "\n";
string[] row = { packetsList[countOfPacketCaptures].packetType, packetsList[countOfPacketCaptures].sourceAddress, packetsList[countOfPacketCaptures].destinationAddress, packetsList[countOfPacketCaptures].sourcePort, packetsList[countOfPacketCaptures].destinationPort, packetsList[countOfPacketCaptures].packetMessage };
try {
//dgwPacketInfo.Rows.Add(row);
//countOfPacketCaptures++;
//lblCapturesLabels.Text = Convert.ToString(countOfPacketCaptures);
txtpackets.Invoke(new UpdatetxtpacketsCallback(this.Updatetxtpackets),
new object[] { packetData });
}
catch (Exception e) { }
}
}
}