private void OnPacketArrival(object sender, CaptureEventArgs e)
{
var parsedPacket = Packet.ParsePacket(e.Packet.LinkLayerType, e.Packet.Data);
var ethPacket = (EthernetPacket)parsedPacket;
var injector = Locator.Current.GetService <IInjectorService>();
if (InterceptedMacAddress.Length < 16)
{
InterceptedMacAddress = string.Join(":", Enumerable.Range(0, 6)
.Select(i => ethPacket.SourceHardwareAddress.ToString()
.Substring(i * 2, 2)));
Stop();
Start(InterceptedMacAddress, _deviceAddress);
OnMacDetected?.Invoke(this, new MacDetectedEventArgs {
MacAddress = InterceptedMacAddress
});
injector.SetGamePacketTransferEnabled(true, ethPacket.SourceHardwareAddress.ToString());
SendDebugMessage("Got mac address! " + InterceptedMacAddress + " enabling game packet transfer!");
}
_packetCount++;
injector.Enqueue(ethPacket);
}
private ICaptureDevice SetupPcap()
{
SendDebugMessage("Searching for network devices...");
var devices = CaptureDeviceList.Instance;
var device = devices.FirstOrDefault(d =>
{
d.Open();
try
{
var devMac = d.MacAddress?.ToString();
return(devMac.Equals(_deviceAddress));
}
catch (Exception) { }
finally
{
d.Close();
}
return(false);
});
if (device == null)
{
SendDebugMessage("Invalid network adapter. Please open settings and select a new one.");
return(null);
}
SendDebugMessage(String.Format("Listening on {0}",
((LibPcapLiveDevice)device).Interface.FriendlyName));
device.OnPacketArrival += OnPacketArrival;
device.Open(DeviceMode.Promiscuous, 1);
if (InterceptedMacAddress == null || InterceptedMacAddress.Length < 16)
{
device.Filter = BuildRangeFilter();
}
else
{
var macParts = InterceptedMacAddress.Split(":");
StringBuilder sBuilder = new StringBuilder();
for (var i = 0; i < macParts.Length; i++)
{
sBuilder.Append($"ether[{6 + i}]=0x{macParts[i]}");
if (i < macParts.Length - 1)
{
sBuilder.Append(" and ");
}
}
device.Filter = sBuilder.ToString();
var injector = Locator.Current.GetService <IInjectorService>();
injector.SetGamePacketTransferEnabled(true, InterceptedMacAddress);
OnMacDetected?.Invoke(this, new MacDetectedEventArgs {
MacAddress = InterceptedMacAddress
});
}
return(device);
}