private async Task StartSocket(Models.SocketType socketType)
{
if (!Spoofers.ContainsKey(socketType))
{
return;
}
// Get all local ip addresses
socketType.IPEndPoint = new IPEndPoint(IPAddress.Any, socketType.Port);
var result = new Socket(
AddressFamily.InterNetwork,
System.Net.Sockets.SocketType.Dgram,
ProtocolType.Udp);
// Bind the socket to start receiving
result.Bind(socketType.IPEndPoint);
if (socketType.MulticastAddress != null)
{
var multicastOption = new MulticastOption(socketType.MulticastAddress, IPAddress.Any);
result.SetSocketOption(
SocketOptionLevel.IP,
SocketOptionName.AddMembership,
multicastOption);
}
socketType.Socket = result;
await Task.CompletedTask;
}
private void AddSpoofer(Models.SocketType socketType, ISpoofer spoofer, bool run)
{
if (!run)
{
return;
}
if (!Spoofers.ContainsKey(socketType))
{
SocketTypes.Add(socketType);
Spoofers.Add(socketType, new List <ISpoofer>());
}
var socketRef = Spoofers[socketType];
socketRef.Add(spoofer);
}
public async Task ReadCallback(IAsyncResult result, Models.SocketType socketType)
{
// Retrieve the state object and the handler socket
// from the asynchronous state object.
SpooferPacket state = (SpooferPacket)result.AsyncState;
Socket socket = socketType.Socket;
// Read data from the client socket.
int length = socket.EndReceiveFrom(result, ref socketType.IPEndPoint);
if (length > 0)
{
foreach (var handler in Spoofers[socketType])
{
await Task.Run(() => handler.HandlePacket(state));
}
}
else
{
await Controller.Log(Name, "Couldn't read packet({0}). Dumping Hex {1}{2}",
length,
Environment.NewLine,
ElCazador.Worker.Utils.Hex.Dump(state.Buffer));
}
// Fetch new packets
state = new SpooferPacket();
socket.BeginReceiveFrom(
state.Buffer,
0,
SpooferPacket.BUFFER_SIZE,
SocketFlags.None,
ref socketType.IPEndPoint,
new AsyncCallback(async(ar) => await ReadCallback(ar, socketType)),
state);
}
public NBNSSpoofer(IWorkerController controller, SpooferSettings settings, Models.SocketType socketType)
: base(controller, settings, socketType)
{
}
internal BaseSpoofer(IWorkerController controller, SpooferSettings settings, Models.SocketType socketType)
{
Settings = settings;
SocketType = socketType;
Controller = controller;
}