internal static bool CheckConnection(Socket Sock)
{
string text = Sock.RemoteEndPoint.ToString().Split(new char[]
{
':'
})[0];
if (text == AntiDDosSystem.mLastIpBlocked)
{
return(false);
}
else
{
if (AntiDDosSystem.GetConnectionAmount(text) > 10 && text != "127.0.0.1" && text != ServerConfiguration.ProxyIP && !ServerConfiguration.DDoSProtectionEnabled)
{
Process[] peerblockrunning = Process.GetProcessesByName("peerblock");
if (peerblockrunning.Length == 0)
{
}
else
{
Console.ForegroundColor = ConsoleColor.Blue;
Console.WriteLine("PeerBlock is running! Adding IP to PeerBlock blacklist!");
Console.ForegroundColor = ConsoleColor.White;
using (System.IO.StreamWriter file = new System.IO.StreamWriter(@"ddos.p2p", true))
{
file.Write("DDoS IP:" + text + "-" + text + "\n");
}
uint msg = RegisterWindowMessage("PeerBlockLoadLists");
SendMessage(HWND_BROADCAST, msg, IntPtr.Zero, IntPtr.Zero);
}
Console.ForegroundColor = ConsoleColor.Blue;
Console.WriteLine(text + " was banned by Anti-DDoS system.");
Console.ForegroundColor = ConsoleColor.White;
Logging.LogDDoS(text + " - " + DateTime.Now.ToString());
AntiDDosSystem.mLastIpBlocked = text;
return(false);
}
else
{
int num = AntiDDosSystem.GetFreeConnectionID();
if (num < 0)
{
return(false);
}
else
{
AntiDDosSystem.mConnectionStorage[num] = text;
return(true);
}
}
}
}
public Class114(string string_0, int int_2, int maxConnections, SocketsManager class113_1)
{
this.int_1 = Process.GetCurrentProcess().Id;
this.socket_0 = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint localEP = new IPEndPoint(IPAddress.Parse(Essential.GetConfig().data["game.tcp.bindip"]), int_2);
this.socket_0.Bind(localEP);
this.socket_0.Listen(133337);
this.asyncCallback_0 = new AsyncCallback(this.method_4);
this.class113_0 = class113_1;
AntiDDosSystem.SetupTcpAuthorization(20000);
Logging.WriteLine("Listening for connections on port: " + int_2 + " | Max connections is: 133337");
}
private void method_9(bool bool_1)
{
if (!this.bool_0 && bool_1)
{
this.bool_0 = true;
try
{
base.Shutdown(SocketShutdown.Both);
base.Close();
base.Dispose();
}
catch
{
}
Array.Clear(this.mDataBuffer, 0, this.mDataBuffer.Length);
this.mDataBuffer = null;
this.mDataReceivedCallback = null;
this.mRouteReceivedDataCallback = null;
Essential.GetSocketsManager().method_6(this.uint_0);
AntiDDosSystem.FreeConnection(this.string_0);
}
}
private void method_4(IAsyncResult iasyncResult_0)
{
if (this.bool_0)
{
try
{
int num = this.class113_0.method_4();
if (num > -1)
{
Socket socket = ((Socket)iasyncResult_0.AsyncState).EndAccept(iasyncResult_0);
if (AntiDDosSystem.CheckConnection(socket))
{
this.class113_0.method_5(socket.DuplicateAndClose(this.int_1), num);
}
else
{
try
{
socket.Shutdown(SocketShutdown.Both);
socket.Close();
socket.Dispose();
}
catch
{
}
}
}
}
catch (Exception ex)
{
Logging.LogException("[TCPListener.OnRequest]: Could not handle new connection request: " + ex.ToString());
}
finally
{
this.method_3();
}
}
}
