public TCPHandler()
{
_socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
_acceptEventArgs = new SocketAsyncEventArgs();
_clients = new Dictionary <string, TCPClient>();
_instance = this;
}
public void Send(bool encrypted)
{
var buffer = (BitBuffer != null) ? BitBuffer.Bytes : ByteBuffer.Bytes;
byte[] array = null;
if (!encrypted)
{
array = new byte[buffer.Length + 6];
Array.Copy(BitConverter.GetBytes(buffer.Length + 2), 0, array, 0, 4);
array[4] = 0;
array[5] = (byte)Data.Get <int>("type");
Array.Copy(buffer, 0, array, 6, buffer.Length);
}
else
{
array = new byte[buffer.Length + 4 + 4 + 1];
Array.Copy(BitConverter.GetBytes(buffer.Length + 5), 0, array, 0, 4);
array[4] = 1;
Array.Copy(BitConverter.GetBytes(0x13371337), 0, array, 5, 4);
var iv = DWCrypto.CalculateInitialVector(0x13371337);
var key = DWRouter.GetGlobalKey(Data);
var crypted = DWCrypto.Encrypt(iv, key, buffer);
Array.Resize(ref array, crypted.Length + 4 + 4 + 1);
Array.Copy(BitConverter.GetBytes(array.Length - 4), 0, array, 0, 4);
Array.Copy(crypted, 0, array, 9, crypted.Length);
}
//Log.Debug("sending a reply");
Data.Arguments["handled"] = true;
MessageData message = new MessageData("none");
message["data"] = array;
message["cid"] = Data["cid"];
TCPHandler.Net_TcpSend(message);
}
public void handlePacket(MessageData data)
{
var buffer = data.Get <byte[]>("data");
var source = data.Get <EndPoint>("source");
var stream = new MemoryStream(buffer);
var reader = new BinaryReader(stream);
var time = data.Get <DateTime>("time");
var delay = (DateTime.Now - time).TotalMilliseconds;
var delay2 = DateTime.Now;
try
{
while (stream.Position < stream.Length)
{
var origin = 0;
var len = 0;
if (_bytesRead == 0)
{
_totalBytes = 0;
try
{
_totalBytes = reader.ReadInt32();
}
catch
{
_totalBytes = 0;
}
//Log.Info("GOT A PACKET OF SIZE " + _totalBytes.ToString("X"));
if (_totalBytes == 0xC8)
{
_totalBytes = 0;
break;
}
if (_totalBytes > (256 * 1024))
{
Log.Error("LENGTH IS XBOX");
break;
}
if (_totalBytes == 0 || _totalBytes < 0)
{
//TCPHandler.sendPacket(message, client);
MessageData packet = new MessageData("none");
packet["data"] = new byte[4];
packet["cid"] = data.Get <string>("cid");
TCPHandler.Net_TcpSend(packet);
continue;
}
_messageBuffer = new MemoryStream();
origin += 4;
len -= 4;
}
len += Math.Min((buffer.Length - (int)stream.Position), (_totalBytes - _bytesRead));
var newBytes = reader.ReadBytes(len);
_messageBuffer.Write(newBytes, 0, len);
_bytesRead += len;
if (_bytesRead > _totalBytes)
{
//Debugger.Break();
}
if (_bytesRead >= _totalBytes)
{
_bytesRead = 0;
_messageBuffer.Position = 0;
var breader = new BinaryReader(_messageBuffer);
_totalBytes--;
var pdtype = breader.ReadByte();
var encrypted = (pdtype == 1); // can be 0, 1 and 0xFF
var ptype = 0xFF;
byte[] pdata = null;
if (pdtype == 0xFF)
{
// TODO: handle this one
Log.Debug("Got a 0xFF pdtype!");
//return;
continue;
}
var initTime = DateTime.Now;
if (!encrypted)
{
ptype = breader.ReadByte();
_totalBytes -= 1;
pdata = breader.ReadBytes(_totalBytes);
}
else
{
try
{
var key = GetGlobalKey(data);
var iv = DWCrypto.CalculateInitialVector(breader.ReadUInt32());
var edata = breader.ReadBytes(_totalBytes - 4);
var ddata = DWCrypto.Decrypt(iv, key, edata);
var dstream = new MemoryStream(ddata);
var dreader = new BinaryReader(dstream);
// TODO: find out why this hash isn't just truncated SHA-1
var hash = dreader.ReadUInt32();
ptype = dreader.ReadByte();
pdata = dreader.ReadBytes((int)(dstream.Length - 5));
dreader.Close();
dstream.Close();
}
catch { }
}
var initTime2 = DateTime.Now;
var delay3 = (DateTime.Now - delay2).TotalMilliseconds;
//Log.Debug("Received a " + _totalBytes + " byte packet (type " + ptype + ") from DemonWare - delay " + delay + "ms. delay after reading " + delay3 + "ms.");
/*
* var message = Messages.NewMessage("dw.packet-received");
* message["data"] = pdata;
* message["type"] = ptype;
* message["crypt"] = encrypted;
* message["source"] = source;
* message["cid"] = data["cid"];
* message["delay"] = delay;
* message["time"] = DateTime.Now;
* message.SendNow();
*/
MessageData message = new MessageData("none");
message["data"] = pdata;
message["type"] = ptype;
message["crypt"] = encrypted;
message["source"] = source;
message["cid"] = data["cid"];
message["ci"] = data["ci"];
message["delay"] = delay;
message["time"] = DateTime.Now;
redirectPacket(message);
/*var msec = (int)((DateTime.Now - initTime).TotalMilliseconds);
* var state = GetPerfState(ptype);
* state.Add(msec);
*
* msec = (int)((DateTime.Now - initTime2).TotalMilliseconds);
* var state2 = GetPerfState(ptype + 1000);
* state2.Add(msec);
*
* Log.Debug("service " + ptype + " min " + state.Min + "/" + state2.Min + " max " + state.Max + "/" + state2.Max);*/
}
}
}
catch (Exception ex)
{
Log.Error(ex.ToString());
// disconnect to prevent further pollution of system
TCPHandler.ForceDisconnect(data);
}
reader.Close();
}
private void redirectPacket(MessageData data)
{
data.Arguments["handled"] = false;
var type = data.Get <int>("type");
var crypt = data.Get <bool>("crypt");
bool routed = false;
try
{
if (!crypt && (type == 28 || type == 12 || type == 26))
{
DWAuther.DW_PacketReceived(data);
routed = true;
//Log.Debug("got auth packet");
}
if (crypt && type == 28)
{
DWGroups.DW_PacketReceived(data);
routed = true;
}
if (type == 7)
{
DWLobby.DW_PacketReceived(data);
routed = true;
//Log.Debug("got lobby packet");
}
if (type == 6)
{
DWMessaging.DW_PacketReceived(data);
routed = true;
//Log.Debug("got service packet");
}
if (type == 21)
{
DWMatch.DW_PacketReceived(data);
routed = true;
//Log.Debug("got match packet");
}
if ((type == 10) || (type == 18) || (type == 23) || (type == 8 || type == 50 || type == 4 || type == 58))
{
DWStorage.DW_PacketReceived(data);
routed = true;
//Log.Debug("got storage packet");
}
if (type == 12 && crypt)
{
DWTitles.DW_PacketReceived(data);
routed = true;
//Log.Debug("got Title packet");
}
if (type == 8)
{
DWProfiles.DW_PacketReceived(data);
routed = true;
}
if (type == 27)
{
DWDML.DW_PacketReceived(data);
}
if (type == 67)
{
DWEventLog.DW_PacketReceived(data);
}
}
catch (Exception e)
{
Log.Error("Exception: " + e.ToString());
}
/*if(routed == false)
* {
* Log.Debug("UNHANDLED PACKET: " + type);
* }*/
try
{
if (crypt && !data.Get <bool>("handled"))
{
DWRouter.Unknown(data, DWRouter.GetMessage(data));
}
}
catch
{
Log.Error("UNKNOWN FAILED, THIS CONNECTION CAN BE CONSIDERED DEAD.");
// disconnect to prevent pollution of system
TCPHandler.ForceDisconnect(data);
}
}
static void Main(string[] args)
{
Log.Initialize("DWServer.log", LogLevel.Data | LogLevel.Info | LogLevel.Error | LogLevel.Debug | LogLevel.Verbose, true);
Log.Info("Starting DW server");
var game = (args.Length == 1) ? args[0] : "t5";
if (game == "t5")
{
Game = TitleID.T5;
}
else if (game == "iw5")
{
Game = TitleID.IW5;
}
/*
* TCPHandler ipServer = new TCPHandler(3074);
* ipServer.Start();
* TCPHandler ipServer3 = new TCPHandler(3077);
* ipServer3.Start();
*/
Database.Initialize();
DWRouter.OnStart();
//TCPHandler.OnStart();
var handler = new TCPHandler();
//default: 3074, deviain
handler.Start((game == "t5") ? 3074 : 3078);
Heatmap.StartThread();
HttpHandler.Start();
/*MessageData server2 = new MessageData("none");
* server2.Arguments["name"] = "demonware2";
* server2.Arguments["port"] = (int)3077;
* TCPHandler.Net_TcpListen("none", server2);*/
new Thread(() =>
{
while (true)
{
Thread.Sleep(30000);
try
{
DWMatch.CleanSessions();
}
catch (Exception e)
{
Log.Error(e.ToString());
}
}
}).Start();
new Thread(() =>
{
while (true)
{
Thread.Sleep(30000);//30000
try
{
DWGroups.updateCache();
}
catch (Exception e)
{
Log.Error(e.ToString());
}
}
}).Start();
while (true)
{
try
{
Log.WriteAway();
}
catch (Exception e) { Log.Error(e.ToString()); }
Thread.Sleep(1000);
}
}
