private void Device_OnPacketArrival(object sender, PacketCapture e)
{
if (e.GetPacket().LinkLayerType != PacketDotNet.LinkLayers.Ethernet)
{
return;
}
var packet = Packet.ParsePacket(e.GetPacket().LinkLayerType, e.GetPacket().Data);
var ethernetPacket = (EthernetPacket)packet;
var requestItem = new PCAPFeatureExtractionRequestItem(ethernetPacket.PayloadPacket.Bytes);
_packetPredictions.Add(_mlEngine.Predict(requestItem));
}
private void InsertPacketToQueue(object sender, PacketCapture e)
{
var packet = PacketDotNet.Packet.ParsePacket(e.GetPacket().LinkLayerType, e.GetPacket().Data);
lock (_packetsQueueLock)
{
_packets.Enqueue(packet);
}
}
/// <summary>
/// Prints the time and length of each received packet
/// </summary>
private static void device_OnPacketArrival(object sender, PacketCapture e)
{
var time = e.Header.Timeval.Date;
var len = e.Data.Length;
var rawPacket = e.GetPacket();
Console.WriteLine("{0}:{1}:{2},{3} Len={4}",
time.Hour, time.Minute, time.Second, time.Millisecond, len);
Console.WriteLine(rawPacket.ToString());
}
private static void Device_OnPacketArrival(object sender, PacketCapture e)
{
var device = (WinpkFilterDevice)sender;
var packet = e.GetPacket().GetPacket();
if (packet.PayloadPacket is IPPacket ip)
{
Console.WriteLine(ip.ToString(StringOutputType.Colored));
}
device.SendPacket(e.Data, e.Header);
}
private void device_OnPacketArrival(object sender, PacketCapture e)
{
if (!sniffEnabled)
{
return;
}
lock (packetQueue) {
packetQueue.Add(e.GetPacket());
}
}
private static void device_OnPacketArrival(object sender, PacketCapture e)
{
var rawPacket = e.GetPacket();
var packet = PacketDotNet.Packet.ParsePacket(rawPacket.LinkLayerType, rawPacket.Data);
if (packet is PacketDotNet.EthernetPacket eth)
{
Console.WriteLine("Original Eth packet: " + eth.ToString());
//Manipulate ethernet parameters
eth.SourceHardwareAddress = PhysicalAddress.Parse("00-11-22-33-44-55");
eth.DestinationHardwareAddress = PhysicalAddress.Parse("00-99-88-77-66-55");
var ip = packet.Extract <PacketDotNet.IPPacket>();
if (ip != null)
{
Console.WriteLine("Original IP packet: " + ip.ToString());
//manipulate IP parameters
ip.SourceAddress = System.Net.IPAddress.Parse("1.2.3.4");
ip.DestinationAddress = System.Net.IPAddress.Parse("44.33.22.11");
ip.TimeToLive = 11;
var tcp = packet.Extract <PacketDotNet.TcpPacket>();
if (tcp != null)
{
Console.WriteLine("Original TCP packet: " + tcp.ToString());
//manipulate TCP parameters
tcp.SourcePort = 9999;
tcp.DestinationPort = 8888;
tcp.Synchronize = !tcp.Synchronize;
tcp.Finished = !tcp.Finished;
tcp.Acknowledgment = !tcp.Acknowledgment;
tcp.WindowSize = 500;
tcp.AcknowledgmentNumber = 800;
tcp.SequenceNumber = 800;
}
var udp = packet.Extract <PacketDotNet.UdpPacket>();
if (udp != null)
{
Console.WriteLine("Original UDP packet: " + udp.ToString());
//manipulate UDP parameters
udp.SourcePort = 9999;
udp.DestinationPort = 8888;
}
}
Console.WriteLine("Manipulated Eth packet: " + eth.ToString());
}
}
/// <summary>
/// Prints the time and length of each received packet
/// </summary>
private static void device_OnPacketArrival(object sender, PacketCapture e)
{
PacketCount++;
var rawPacket = e.GetPacket();
var p = PacketDotNet.Packet.ParsePacket(rawPacket.LinkLayerType, rawPacket.Data);
var tcpPacket = p.Extract <TcpPacket>();
if (tcpPacket != null)
{
log.Debug("passing packet to TcpConnectionManager");
tcpConnectionManager.ProcessPacket(rawPacket.Timeval,
tcpPacket);
}
}
/// <summary>
/// Prints the time and length of each received packet
/// </summary>
private static void device_OnPacketArrival(object sender, PacketCapture e)
{
// print out periodic statistics about this device
var Now = DateTime.Now; // cache 'DateTime.Now' for minor reduction in cpu overhead
var interval = Now - LastStatisticsOutput;
if (interval > LastStatisticsInterval)
{
Console.WriteLine("device_OnPacketArrival: " + e.Device.Statistics);
LastStatisticsOutput = Now;
}
// lock QueueLock to prevent multiple threads accessing PacketQueue at
// the same time
lock (QueueLock)
{
PacketQueue.Add(e.GetPacket());
}
}
/// <summary>
/// Prints the source and dest MAC addresses of each received Ethernet frame
/// </summary>
private static void device_OnPacketArrival(object sender, PacketCapture e)
{
packetIndex++;
var rawPacket = e.GetPacket();
var packet = PacketDotNet.Packet.ParsePacket(rawPacket.LinkLayerType, rawPacket.Data);
var ethernetPacket = packet.Extract <EthernetPacket>();
if (ethernetPacket != null)
{
Console.WriteLine("{0} At: {1}:{2}: MAC:{3} -> MAC:{4}",
packetIndex,
e.Header.Timeval.Date.ToString(),
e.Header.Timeval.Date.Millisecond,
ethernetPacket.SourceHardwareAddress,
ethernetPacket.DestinationHardwareAddress);
}
}
/// <summary>
/// Prints the time and length of each received packet
/// </summary>
private static void device_OnPacketArrival(object sender, PacketCapture e)
{
#if false
var time = e.Packet.Timeval.Date;
var len = e.Packet.Data.Length;
Console.WriteLine("{0}:{1}:{2},{3} Len={4}",
time.Hour, time.Minute, time.Second, time.Millisecond, len);
Console.WriteLine(e.Packet.ToString());
#endif
var rawPacket = e.GetPacket();
var p = PacketDotNet.Packet.ParsePacket(rawPacket.LinkLayerType, rawPacket.Data);
var tcpPacket = p.Extract <TcpPacket>();
if (tcpPacket == null)
{
return;
}
log.Debug("passing packet to TcpConnectionManager");
tcpConnectionManager.ProcessPacket(rawPacket.Timeval,
tcpPacket);
}
/// <summary>
/// Prints the time, length, src ip, src port, dst ip and dst port
/// for each TCP/IP packet received on the network
/// </summary>
private static void device_OnPacketArrival(object sender, PacketCapture e)
{
var time = e.Header.Timeval.Date;
var len = e.Data.Length;
var rawPacket = e.GetPacket();
var packet = PacketDotNet.Packet.ParsePacket(rawPacket.LinkLayerType, rawPacket.Data);
var tcpPacket = packet.Extract <PacketDotNet.TcpPacket>();
if (tcpPacket != null)
{
var ipPacket = (PacketDotNet.IPPacket)tcpPacket.ParentPacket;
System.Net.IPAddress srcIp = ipPacket.SourceAddress;
System.Net.IPAddress dstIp = ipPacket.DestinationAddress;
int srcPort = tcpPacket.SourcePort;
int dstPort = tcpPacket.DestinationPort;
Console.WriteLine("{0}:{1}:{2},{3} Len={4} {5}:{6} -> {7}:{8}",
time.Hour, time.Minute, time.Second, time.Millisecond, len,
srcIp, srcPort, dstIp, dstPort);
}
}
private void LiveDevice_OnPacketArrival(object sender, PacketCapture e)
{
var packet = e.GetPacket();
if (IsWindows)
{
ReceivedPackets += BitConverter.ToInt64(packet.Data, 0);
ReceivedBytes += BitConverter.ToInt64(packet.Data, 8);
}
else
{
ReceivedPackets++;
ReceivedBytes += packet.PacketLength;
}
var args = new StatisticsEventArgs(
this,
packet.Timeval,
ReceivedPackets,
ReceivedBytes
);
OnPcapStatistics?.Invoke(this, args);
}
/// <summary>
/// Handle incoming packets
/// </summary>
private static void device_OnPacketArrival(object sender, PacketCapture e)
{
var rawPacket = e.GetPacket();
var time = rawPacket.Timeval.Date;
var len = rawPacket.Data.Length;
Console.WriteLine("{0}:{1}:{2},{3} Len={4}",
time.Hour, time.Minute, time.Second, time.Millisecond, len);
// parse the incoming packet
var packet = PacketDotNet.Packet.ParsePacket(rawPacket.LinkLayerType, rawPacket.Data);
if (packet == null)
{
return;
}
var wol = packet.Extract <WakeOnLanPacket>();
if (wol.PayloadData != null)
{
PrintHex(wol.DestinationAddress.GetAddressBytes());
}
}
/// <summary>
/// Prints the time and length of each received packet
/// </summary>
private static void device_OnPacketArrival(object sender, PacketCapture e)
{
//var device = (ICaptureDevice)sender;
// write the packet to the file
var rawPacket = e.GetPacket();
captureFileWriter.Write(rawPacket);
Console.WriteLine("Packet dumped to file.");
if (rawPacket.LinkLayerType == PacketDotNet.LinkLayers.Ethernet)
{
var packet = PacketDotNet.Packet.ParsePacket(rawPacket.LinkLayerType, rawPacket.Data);
var ethernetPacket = (EthernetPacket)packet;
Console.WriteLine("{0} At: {1}:{2}: MAC:{3} -> MAC:{4}",
packetIndex,
rawPacket.Timeval.Date.ToString(),
rawPacket.Timeval.Date.Millisecond,
ethernetPacket.SourceHardwareAddress,
ethernetPacket.DestinationHardwareAddress);
packetIndex++;
}
}
internal void OnPacketArrival(object _, PacketCapture e)
{
PacketOperation((ILiveDevice)e.Device, (WinpkFilterHeader)e.Header, e.GetPacket().GetPacket());
}
void HandleDeviceOnPacketArrival(object sender, PacketCapture e)
{
Console.WriteLine("got packet " + e.GetPacket().ToString());
capturedPackets++;
}
private void ProcessPcapPacket(object sender, PacketCapture e)
{
var packet = PacketDotNet.Packet.ParsePacket(e.GetPacket().LinkLayerType, e.GetPacket().Data);
ProcessPacket(packet);
}
