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2014.08.14.

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Norbi Peti 2016-06-15 23:42:34 +02:00
parent 6f855aaa35
commit 8b439e1d81
7 changed files with 294 additions and 286 deletions
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3
Connection forwarder/Connection forwarder.csproj
View file

@ -35,6 +35,9 @@
<Reference Include="Cyotek.Data.Nbt">
<HintPath>..\..\..\..\..\Downloads\Cyotek.Data.Nbt-master\Cyotek.Data.Nbt-master\Cyotek.Data.Nbt\bin\Debug\Cyotek.Data.Nbt.dll</HintPath>
</Reference>
<Reference Include="Nito.Async">
<HintPath>..\..\..\..\..\Downloads\Nito.Async.1.4\Nito.Async.dll</HintPath>
</Reference>
<Reference Include="System" />
<Reference Include="System.Core" />
<Reference Include="System.Xml.Linq" />

110
Connection forwarder/ConnectionThread.cs
View file

@ -6,84 +6,72 @@ using System.Text;
using System.Threading.Tasks;
using Cyotek.Data.Nbt;
using System.Threading;
using System.Net;
namespace Connection_forwarder
{
class ClientConnectionThread
{
public void Run(object sckt)
public Int64 ClientID;
public bool DataChanged = false;
public byte[] DataBuffer;
public void Run(object obj)
{
Thread.CurrentThread.Name = "ConnectionThread";
Form1.Threads.Add(Thread.CurrentThread);
//var connsocket = ((Socket[])sckt)[0];
object connsocket;
if (!Form1.PEVersion)
connsocket = ((object[])sckt)[0] as Socket;
else
connsocket = ((UdpClient)((object[])sckt)[0]);
//var serversock = new Socket(SocketType.Stream, ProtocolType.Tcp);
//serversock.Connect("localhost", Form1.PortNumber);
//while (connsocket.Available > 0)
var serversock = ((Socket)((object[])sckt)[1]);
//new NetworkStream(connsocket).CopyToAsync(new NetworkStream(serversock));
//new NetworkStream(serversock).CopyTo(new NetworkStream(connsocket));
if (!Form1.PEVersion)
Thread.CurrentThread.Name = "ClientConnectionThread";
//Form1.Threads.Add(Thread.CurrentThread);
//IPEndPoint RemoteIP = (IPEndPoint)remip;
IPEndPoint RemoteIP = (IPEndPoint)((object[])obj)[0];
UdpClient connection = (UdpClient)((object[])obj)[1];
ClientID = (Int64)((object[])obj)[2];
//Program.ConnThreads.Add(ClientID, new object[] { Thread.CurrentThread, this }); //Remove it over time
Program.ConnThreads.Add(RemoteIP, new object[] { Thread.CurrentThread, this }); //Remove it over time
//UdpClient listenclient;
//byte[] buffer;
//bool brvar = false;
//UdpClient sendsocket;
var lasttick = Environment.TickCount;
while (Environment.TickCount - lasttick < 60 * 1000)
{
try
{
new NetworkStream(connsocket as Socket).CopyTo(new NetworkStream(serversock));
if (DataChanged)
{ //Now DataBuffer contains the received packet
Console.WriteLine("Data changed...");
Console.WriteLine("PacketID: 0x{0:X}", DataBuffer[0]);
lasttick = Environment.TickCount;
DataChanged = false; //Finished working
}
catch { }
(connsocket as Socket).Close();
serversock.Close();
}
else
{
/*do
{
//new PEPackets(PEPackets.TOCLIENT_LoginStatusPacket, new object[] { 0 }, sendsocket, RemoteIP);
//connsocket[1] = new Socket(SocketType.Stream, ProtocolType.Tcp); //We still need to connect to the server
//((Socket)connsocket[1]).Connect("localhost", Form1.PortNumber);
//After login loop to receive all messages
} while (false);*/
}
Program.ConnThreads.Remove(RemoteIP);
}
/*private bool done = false;
void saea_Completed(object sender, SocketAsyncEventArgs e)
{
done = true;
}*/
public void SendData(object data)
{
}
}
class ServerConnectionThread
{
public void Run(object sckt)
{
Thread.CurrentThread.Name = "ConnectionThread";
Form1.Threads.Add(Thread.CurrentThread);
object connsocket;
if (!Form1.PEVersion)
connsocket = ((object[])sckt)[0] as Socket;
else
connsocket = ((UdpClient)((object[])sckt)[0]);
//var serversock = new Socket(SocketType.Stream, ProtocolType.Tcp);
//serversock.Connect("localhost", Form1.PortNumber);
//while (connsocket.Available > 0)
Thread.CurrentThread.Name = "ServerConnectionThread";
//Form1.Threads.Add(Thread.CurrentThread);
/*object connsocket;
connsocket = ((UdpClient)((object[])sckt)[0]);
var serversock = ((Socket)((object[])sckt)[1]);
//new NetworkStream(connsocket).CopyToAsync(new NetworkStream(serversock));
try
{
if (!Form1.PEVersion)
new NetworkStream(serversock).CopyTo(new NetworkStream(connsocket as Socket));
/*var nsc = new NetworkStream(connsocket);
var nss = new NetworkStream(serversock);
var tr = new BinaryTagReader(nss, NbtOptions.None);
var tw = new BinaryTagWriter(nsc, NbtOptions.None);
byte[] ba;
while (!tr.ReadString().Contains("Blocks"))
{
nss.CopyTo(nsc);
}
ba = tr.ReadByteArray();
Console.WriteLine("Byte array: " + ba);
for (int i = 0; i < ba.Length; i++)
tw.Write(ba[i]);*/
}
catch
{
}
(connsocket as Socket).Close();
serversock.Close();
serversock.Close();*/
}
}
}

21
Connection forwarder/Form1.cs
View file

@ -17,19 +17,18 @@ namespace Connection_forwarder
{
public static int PortNumber;
public static int PortNumber2;
public static bool PEVersion;
public static List<Thread> Threads = new List<Thread>();
//public static bool PEVersion;
//public static List<Thread> Threads = new List<Thread>();
public Form1()
{
InitializeComponent();
Threads.Add(Thread.CurrentThread);
//Threads.Add(Thread.CurrentThread);
}
private void startbtn_Click(object sender, EventArgs e)
{
var s = new Socket(SocketType.Stream, ProtocolType.Tcp);
//s.Connect("localhost", Int32.Parse(portBox.Text));
s.Bind(new IPEndPoint(IPAddress.Parse("127.0.0.1"), Int32.Parse(portBox.Text)));
s.Listen(2);
s = s.Accept();
@ -45,25 +44,13 @@ namespace Connection_forwarder
{
PortNumber = Int32.Parse(portBox.Text);
PortNumber2 = Int32.Parse(portBox2.Text);
PEVersion = radioButton2.Checked;
//PEVersion = radioButton2.Checked;
new Thread(new ThreadStart(ListenThread.Run)).Start();
startforwardbtn.Enabled = false;
}
private void Form1_FormClosed(object sender, FormClosedEventArgs e)
{
/*for (int i = 1; i < Threads.Count; i++) //For a fairly long time it stopped itself, now it skips that...
{
try
{
Threads[i].Abort();
}
catch
{
}
}
Application.Exit();
Application.ExitThread();*/
Environment.Exit(0);
}
}

321
Connection forwarder/ListenThread.cs
View file

@ -1,4 +1,5 @@
using System;
using Nito.Async;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
@ -14,174 +15,178 @@ namespace Connection_forwarder
public static void Run()
{
Thread.CurrentThread.Name = "ListenThread";
Form1.Threads.Add(Thread.CurrentThread);
Socket listensocket;
//UdpClient listenclient = new UdpClient(Form1.PortNumber2);
UdpClient listenclient;
if (!Form1.PEVersion)
{
//var listensocket = new Socket(SocketType.Stream, ProtocolType.Tcp);
listensocket = new Socket(SocketType.Stream, ProtocolType.Tcp);
listensocket.Bind(new IPEndPoint(IPAddress.Parse("127.0.0.1"), Form1.PortNumber2));
}
else
{
listensocket = new Socket(SocketType.Dgram, ProtocolType.Udp); //Just for it to not give "no object" error
//listensocket.Bind(new IPEndPoint(IPAddress.Parse("127.0.0.1"), Form1.PortNumber2));
//listensocket.Bind(new IPEndPoint(Program.GetLocalIP(), Form1.PortNumber2));
}
//Form1.Threads.Add(Thread.CurrentThread);
UdpClient connection;
var RemoteIP = new IPEndPoint(IPAddress.Any, Form1.PortNumber2);
connection = new UdpClient(Form1.PortNumber2);
while (true)
{
if (!Form1.PEVersion)
{
listensocket.Listen(10);
//var connsocket = listensocket.Accept();
Socket[] connsocket = new Socket[2];
connsocket[0] = listensocket.Accept();
connsocket[1] = new Socket(SocketType.Stream, ProtocolType.Tcp);
connsocket[1].Connect("localhost", Form1.PortNumber);
new Thread(new ParameterizedThreadStart(new ClientConnectionThread().Run)).Start(connsocket);
new Thread(new ParameterizedThreadStart(new ServerConnectionThread().Run)).Start(connsocket);
}
else
/*
* PE connection:
* When player joins start a thread and open connection to server
* When player leaves or times out disconnect from the server with matching data sent
*
* So basically handle the PE join here to know when to start a new thread
*/
do
{
//connection.Connect(new IPEndPoint(IPAddress.Any, Form1.PortNumber2));
byte[] buffer;
buffer = connection.Receive(ref RemoteIP); //Receive the packet ID to determine IP
/*
* PE connection:
* When player joins start a thread and open connection to server
* When player leaves or times out disconnect from the server with matching data sent
* Or receive all data and send it to the matching ConnectionThread determined by Client ID
*
* So basically handle the PE join here to know when to start a new thread
* Actually the Client ID is not used later on...
* So determine IP every time and send the packet to matching thread
*/
//connection.Connect(RemoteIP);
//connection.Send(buffer, buffer.Length);
//connection.Close();
//if (Program.ConnThreads.ContainsKey(RemoteIP))
//if (Program.ConnThreads.ContainsKey(PEPackets.GetClientID(buffer)))
//break; //Let the ConnectionThread handle the request - By detecting packet type...
bool brvar = false;
//Int64 cid;
Console.WriteLine("Received packet: 0x{0:X}", buffer[0]);
//if (buffer[0] != PEPackets.TOSERVER_ID_OPEN_CONNECTION_REQUEST_1 && Program.ConnThreads.ContainsKey(cid = PEPackets.GetClientID(buffer)))
if (buffer[0] != PEPackets.TOSERVER_ID_OPEN_CONNECTION_REQUEST_1 && Program.ConnThreads.ContainsKey(RemoteIP))
{
//Handle packets and send data to matching thread
//(new Task(((ClientConnectionThread)Program.ConnThreads[cid][1]).SendData, buffer)).Start(new LimitedConcurrencyLevelTaskScheduler(1));
//new ListenThread().MemberwiseClone();
while (((ClientConnectionThread)Program.ConnThreads[RemoteIP][1]).DataChanged)
; //Wait until thread finishes
((ClientConnectionThread)Program.ConnThreads[RemoteIP][1]).DataBuffer = buffer;
((ClientConnectionThread)Program.ConnThreads[RemoteIP][1]).DataChanged = true;
break;
}
else if (buffer[0] != PEPackets.TOSERVER_ID_OPEN_CONNECTION_REQUEST_1)
break;
for (int i = 0; i < PEPackets.MAGIC.Length; i++)
{
if (buffer[i + 1] != PEPackets.MAGIC[i])
{
Console.WriteLine("There is no magic for this client...");
brvar = true;
break;
}
}
if (brvar)
break;
Console.WriteLine("Magic accepted.");
//var sendsocket = new UdpClient(Form1.PortNumber2);
//sendsocket.EnableBroadcast = true;
connection.Connect(RemoteIP); //Make it only communicate with the currently joining player
if (buffer[PEPackets.MAGIC.Length + 1] != PEPackets.ProtocolVer)
{
new PEPackets(PEPackets.TOCLIENT_ID_INCOMPATIBLE_PROTOCOL_VERSION, new object[] { PEPackets.ProtocolVer, PEPackets.MAGIC, 0x00000000372cdc9e }, connection, RemoteIP); //ID_INCOMPATIBLE_PROTOCOL_VERSION (0x1A)
break;
}
new PEPackets(PEPackets.TOCLIENT_ID_OPEN_CONNECTION_REPLY_1, new object[] { PEPackets.MAGIC, 0x00000000372cdc9e, 0, 1447 }, connection, RemoteIP);
//sendsocket.Close();
Console.WriteLine("Open connection 1 succeed.");
/*
* We must handle the open connection 2 here in order to obtain ClientID
*/
//byte[] buffer = new byte[1500];
byte[] buffer;
var RemoteIP=new IPEndPoint(IPAddress.Any, Form1.PortNumber2);
listenclient = new UdpClient(Form1.PortNumber2);
buffer = listenclient.Receive(ref RemoteIP);
listenclient.Close();
//RemoteIP.Port = 19132;
//Console.WriteLine(String.Format("Hex: %x", buffer[0]));
//Console.WriteLine("Hex: {0:X}", buffer[0]);
//bool stop = false;
buffer = connection.Receive(ref RemoteIP);
Console.WriteLine("Received packet: " + buffer[0]);
if (buffer[0] != PEPackets.TOSERVER_ID_OPEN_CONNECTION_REQUEST_2)
break;
for (int i = 0; i < PEPackets.MAGIC.Length; i++)
{
if (buffer[i + 1] != PEPackets.MAGIC[i])
{
Console.WriteLine("There is no magic for this client...");
brvar = true;
break;
}
}
if (brvar)
break;
byte[] bufferPart = new byte[5];
Console.WriteLine("Extracting data...");
Array.Copy(buffer, PEPackets.MAGIC.Length + 1, bufferPart, 0, 5);
for (int i = 0; i < bufferPart.Length; i++)
{
if (bufferPart[i] != 0x00)
{
brvar = true;
break;
}
}
if (brvar)
break;
Array.Copy(buffer, PEPackets.MAGIC.Length + 6, bufferPart = new byte[2], 0, 2);
short ServerPortFromClient = BitConverter.ToInt16(bufferPart, 0);
Console.WriteLine("ServerPortFromClient: " + ServerPortFromClient);
Array.Copy(buffer, PEPackets.MAGIC.Length + 8, bufferPart, 0, 2);
short MTUSize = BitConverter.ToInt16(bufferPart, 0);
Console.WriteLine("MTUSize: " + MTUSize);
Array.Copy(buffer, PEPackets.MAGIC.Length + 10, bufferPart = new byte[8], 0, 8);
long ClientID = BitConverter.ToInt64(bufferPart, 0);
Console.WriteLine("ClientID: " + ClientID);
//sendsocket = new UdpClient(Form1.PortNumber2);
//sendsocket.Connect(RemoteIP);
new PEPackets(PEPackets.TOCLIENT_ID_OPEN_CONNECTION_REPLY_2, new object[] { PEPackets.MAGIC, 0x00000000372cdc9e, Form1.PortNumber2, 1464, 0 }, connection, RemoteIP);
//sendsocket.Close();
//listenclient = new UdpClient(Form1.PortNumber2);
//buffer = listenclient.Receive(ref RemoteIP);
buffer = connection.Receive(ref RemoteIP);
//Console.WriteLine("Received: 0x{0:X}", buffer[0]);
//Console.WriteLine("Second byte: 0x{0:X}", buffer[1]);
//listenclient.Close();
while (buffer[0] != 0x84)
{ //Send NACK back
Console.WriteLine("Received packet: 0x{0:X}", buffer[0]);
Console.WriteLine("Incorrect packet. Resending...");
var tmpreta = PEPackets.DecodeDataPacket(buffer);
if (tmpreta == null)
break;
byte[] Counta = PEPackets.IntTo3Byte((int)tmpreta[1]);
//new PEPackets(0xA0, new object[] { (short)1, true, 0x84 }, connection, RemoteIP);
new PEPackets(0xA0, new object[] { (short)1, true, Counta }, connection, RemoteIP);
buffer = connection.Receive(ref RemoteIP);
}
/*
* Custom packet 0x84:
* Count field (3 bytes) and then data payload:
* Encapsulation ID (1 byte) (=0x00) and then length then data packet:
* Status (1 byte/8 bits)
*/
//var tmp = BitConverter.GetBytes(0x84).ToList<byte>();
//Console.WriteLine("Remove 1st byte from: " + tmp[0] + ", " + tmp[1] + ", " + tmp[2] + ", " + tmp[3]);
//tmp.RemoveAt(3); //We only need 3 bytes
//new PEPackets(0xC0, new object[] { (short)1, true, tmp.ToArray() }, connection, RemoteIP); //Send ACK
var lasttick = Environment.TickCount;
do
{
bool brvar = false;
if (buffer[0] != PEPackets.TOSERVER_ID_OPEN_CONNECTION_REQUEST_1)
var tmpret = PEPackets.DecodeDataPacket(buffer);
if (tmpret == null)
break;
for (int i = 0; i < PEPackets.MAGIC.Length; i++)
{
if (buffer[i + 1] != PEPackets.MAGIC[i])
{
Console.WriteLine("There is no magic for this client...");
brvar = true;
break;
}
}
if (brvar)
break;
Console.WriteLine("Magic accepted.");
//var sendsocket = new Socket(SocketType.Dgram, ProtocolType.Udp);
var sendsocket = new UdpClient(Form1.PortNumber2);
//sendsocket.Connect(RemoteIP);
sendsocket.EnableBroadcast = true;
//sendsocket.Connect(IPAddress.Broadcast, RemoteIP.Port);
sendsocket.Connect(RemoteIP);
if (buffer[PEPackets.MAGIC.Length + 1] != PEPackets.ProtocolVer)
{
new PEPackets(PEPackets.TOCLIENT_ID_INCOMPATIBLE_PROTOCOL_VERSION, new object[] { PEPackets.ProtocolVer, PEPackets.MAGIC, 0x00000000372cdc9e }, sendsocket, RemoteIP); //ID_INCOMPATIBLE_PROTOCOL_VERSION (0x1A)
break;
}
new PEPackets(PEPackets.TOCLIENT_ID_OPEN_CONNECTION_REPLY_1, new object[] { PEPackets.MAGIC, 0x00000000372cdc9e, 0, 1447 }, sendsocket, RemoteIP);
sendsocket.Close();
Console.WriteLine("Open connection 1 succeed.");
Console.WriteLine("Count: " + (int)tmpret[1]);
Console.WriteLine("EncapsulationID: " + tmpret[0]);
Console.WriteLine("Count2: " + tmpret[3]);
byte[] Count = PEPackets.IntTo3Byte((int)tmpret[1]);
Console.WriteLine("Count 1st byte: " + Count[0]);
new PEPackets(0xC0, new object[] { (short)1, true, Count }, connection, RemoteIP);
} while ((buffer = connection.Receive(ref RemoteIP))[0] == 0x84 && Environment.TickCount - lasttick < 6000 * 1000);
//-----------------------------
var threadvar = new Object[3];
listenclient = new UdpClient(Form1.PortNumber2);
buffer = listenclient.Receive(ref RemoteIP);
listenclient.Close();
//RemoteIP.Port = 19132;
if (buffer[0] != PEPackets.TOSERVER_ID_OPEN_CONNECTION_REQUEST_2)
break;
brvar = false;
for (int i = 0; i < PEPackets.MAGIC.Length; i++)
{
if (buffer[i + 1] != PEPackets.MAGIC[i])
{
Console.WriteLine("There is no magic for this client...");
brvar = true;
break;
}
}
if (brvar)
break;
byte[] bufferPart = new byte[5];
Array.Copy(buffer, PEPackets.MAGIC.Length + 1, bufferPart, 0, 5);
//if (bufferPart != BitConverter.GetBytes(0x043f57fefd))
for (int i = 0; i < bufferPart.Length; i++)
{
if (bufferPart[i] != 0x00)
{
brvar = true;
break;
}
}
if (brvar)
break;
Array.Copy(buffer, PEPackets.MAGIC.Length + 6, bufferPart = new byte[2], 0, 2);
//if (bufferPart != BitConverter.GetBytes((short)19132))
//var bytes = BitConverter.GetBytes((short)19132);
/*for (int i = 0; i < 2; i++)
{
if (bufferPart[i] != bytes[i])
{
brvar = true;
break;
}
}
if (brvar)
break;*/
short ServerPortFromClient = BitConverter.ToInt16(bufferPart, 0);
Console.WriteLine("ServerPortFromClient: " + ServerPortFromClient);
Array.Copy(buffer, PEPackets.MAGIC.Length + 8, bufferPart, 0, 2);
//if (bufferPart != BitConverter.GetBytes((short)1464))
short MTUSize = BitConverter.ToInt16(bufferPart, 0);
Console.WriteLine("MTUSize: " + MTUSize);
Array.Copy(buffer, PEPackets.MAGIC.Length + 10, bufferPart = new byte[8], 0, 8);
//long ClientID = Convert.ToInt64(bufferPart);
long ClientID = BitConverter.ToInt64(bufferPart, 0);
Console.WriteLine("ClientID: " + ClientID);
sendsocket = new UdpClient(Form1.PortNumber2);
//sendsocket.EnableBroadcast = true;
sendsocket.Connect(RemoteIP);
new PEPackets(PEPackets.TOCLIENT_ID_OPEN_CONNECTION_REPLY_2, new object[] { PEPackets.MAGIC, 0x00000000372cdc9e, Form1.PortNumber2, 1464, 0 }, sendsocket, RemoteIP);
sendsocket.Close();
listenclient = new UdpClient(Form1.PortNumber2);
buffer = listenclient.Receive(ref RemoteIP);
Console.WriteLine("Received: 0x{0:X}", buffer[0]);
Console.WriteLine("Second byte: 0x{0:X}", buffer[1]);
listenclient.Close();
sendsocket = new UdpClient(Form1.PortNumber2);
//sendsocket.EnableBroadcast = true;
sendsocket.Connect(RemoteIP);
new PEPackets(PEPackets.TOCLIENT_LoginStatusPacket, new object[] { 0 }, sendsocket, RemoteIP);
sendsocket.Close();
//-----------------------------
/*object[] connsocket = new object[2];
//if(buffer[0]==PEPackets)
connsocket[0] = listenclient;
connsocket[1] = new Socket(SocketType.Stream, ProtocolType.Tcp); //We still need to connect to the server
((Socket)connsocket[1]).Connect("localhost", Form1.PortNumber);
new Thread(new ParameterizedThreadStart(new ClientConnectionThread().Run)).Start(connsocket);
new Thread(new ParameterizedThreadStart(new ServerConnectionThread().Run)).Start(connsocket);*/
} while (false);
}
//for (int i = 0; i < 2; i++)
//new Thread(new ParameterizedThreadStart(new ClientConnectionThread().Run)).Start(connsocket);
//var serversock = new Socket(SocketType.Stream, ProtocolType.Tcp);
//serversock.Connect("localhost", Form1.PortNumber);
//new Thread(new ParameterizedThreadStart(new ServerConnectionThread().Run)).Start(serversock);
//new Thread(new ParameterizedThreadStart(new ServerConnectionThread().Run)).Start(connsocket);
connection.Close();
connection = new UdpClient(Form1.PortNumber2);
threadvar[0] = RemoteIP;
threadvar[1] = connection;
threadvar[2] = ClientID;
new Thread(new ParameterizedThreadStart(new ClientConnectionThread().Run)).Start(threadvar);
//new Thread(new ParameterizedThreadStart(new ServerConnectionThread().Run)).Start(threadvar);
//new ActionThread().Do(new ClientConnectionThread().Run(threadvar));
} while (false);
}
}
}

29
Connection forwarder/PCPackets.cs
View file

@ -9,8 +9,6 @@ namespace Connection_forwarder
{
class PCPackets
{
//public static List<PCPacket> Packets = new List<PCPacket>();
//public static readonly Dictionary<string, byte> PacketNames = new Dictionary<string, byte>();
/* http://wiki.vg/Pre-release_protocol */
/// <summary>
/// <para>Gamemode Unsigned Byte 0: survival, 1: creative, 2: adventure. Bit 3 (0x8) is the hardcore flag</para>
@ -139,13 +137,6 @@ namespace Connection_forwarder
public PCPackets(byte packetid, object[] data, Socket sock)
{
//Prepare all possible packets
//Packets.Add(new PCPacket(0x02, "Chat"));
//Packets[0].Function = Packets[0].Callback;
/*Packets[0].Function = delegate(object[] asd)
{
return;
};*/
var tmp=new List<byte>();
tmp.Add(packetid);
for(int i=0; i<data.Length; i++)
@ -174,24 +165,4 @@ namespace Connection_forwarder
sock.Send(tmp.ToArray());
}
}
/*class PCPacket
{
public byte PacketID { get; private set; }
public object[] Contents { get; set; }
public string PacketName { get; private set; }
internal delegate void FunctionT(params object[] asd);
public FunctionT Function;
//public PCPacket(byte packetid, params object[] contents)
public PCPacket(byte packetid, string packetname)
{
PacketID = packetid;
PacketName = packetname;
}
internal bool Callback(Type[] types, object[] parameters)
{
return true;
}
}*/
}

89
Connection forwarder/PEPackets.cs
View file

@ -11,9 +11,6 @@ namespace Connection_forwarder
{
class PEPackets
{
//public static byte[] MAGIC = BitConverter.GetBytes(0x00ffff00fefefefefdfdfdfd12345678);
//public static readonly MAGIC MAGIC = (char)Convert.ChangeType("0x00ffff00fefefefefdfdfdfd12345678", typeof(char));
//public static readonly MAGIC MAGIC = new byte[16] { 0x00, 0xff, 0xff, 0x00, 0xfe, 0xfe, 0xfe, 0xfe, 0xfd, 0xfd, 0xfd, 0xfd, 0x12, 0x34, 0x56, 0x78 };
public static readonly byte[] MAGIC = new byte[16] { 0, 255, 255, 0, 254, 254, 254, 254, 253, 253, 253, 253, 18, 52, 86, 120 };
public const byte ProtocolVer = 5;
/// <summary>
@ -50,7 +47,9 @@ namespace Connection_forwarder
{
if (!data[i].GetType().IsSubclassOf(typeof(Array)))
{
if (data[i].GetType() == typeof(bool))
if (data[i].GetType() == typeof(byte))
tmp.Add((byte)data[i]);
else if (data[i].GetType() == typeof(bool))
tmp.AddRange(BitConverter.GetBytes((bool)data[i]));
else if (data[i].GetType() == typeof(char))
tmp.AddRange(BitConverter.GetBytes((char)data[i]));
@ -70,14 +69,14 @@ namespace Connection_forwarder
tmp.AddRange(BitConverter.GetBytes((ushort)data[i]));
else if (data[i].GetType() == typeof(ushort))
tmp.AddRange(BitConverter.GetBytes((ushort)data[i]));
else if (data[i].GetType() == typeof(byte))
tmp.Add((byte)data[i]);
}
else
{
for (int j = 0; j < ((Array)data[i]).Length; j++)
{
if (((Array)data[i]).GetValue(j).GetType() == typeof(bool))
if (((Array)data[i]).GetValue(j).GetType() == typeof(byte))
tmp.Add((byte)((Array)data[i]).GetValue(j));
else if (((Array)data[i]).GetValue(j).GetType() == typeof(bool))
tmp.AddRange(BitConverter.GetBytes((bool)((Array)data[i]).GetValue(j)));
else if (((Array)data[i]).GetValue(j).GetType() == typeof(char))
tmp.AddRange(BitConverter.GetBytes((char)((Array)data[i]).GetValue(j)));
@ -97,23 +96,73 @@ namespace Connection_forwarder
tmp.AddRange(BitConverter.GetBytes((ushort)((Array)data[i]).GetValue(j)));
else if (((Array)data[i]).GetValue(j).GetType() == typeof(ushort))
tmp.AddRange(BitConverter.GetBytes((ushort)((Array)data[i]).GetValue(j)));
else if (((Array)data[i]).GetValue(j).GetType() == typeof(byte))
tmp.Add((byte)((Array)data[i]).GetValue(j));
else Console.WriteLine("Unknown type in array: " + ((Array)data[i]).GetValue(j).GetType());
}
}
}
//sock.Send(tmp.ToArray());
//sock.SendTo(tmp.ToArray(), ep);
//sock.Send(tmp.ToArray(), tmp.Count, ep);
sock.Send(tmp.ToArray(), tmp.Count);
try
{
sock.Send(tmp.ToArray(), tmp.Count, ep);
}
catch
{
sock.Send(tmp.ToArray(), tmp.Count);
}
}
internal static Int64 GetClientID(byte[] buffer)
{ //ClientID is in open connection request 2 and in data packets
switch(buffer[0])
{
case 0x84:
byte[] tmp = new byte[8];
Array.Copy(buffer, 17, tmp, 0, 8);
return BitConverter.ToInt64(tmp, 0);
default:
Console.WriteLine("Unable to get ClientID: " + buffer);
return 0;
}
}
public static object[] DecodeDataPacket(byte[] data)
{
byte[] tmp;
//Array.Copy(data, 1, tmp = new byte[4], 1, 3); //Leave the first byte 0 so it will (hopefully) give the correct 4-bit representation
Array.Copy(data, 1, tmp = new byte[4], 0, 3); //Nope, it starts at the first byte
int Count = BitConverter.ToInt32(tmp, 0);
byte EncapsulationID = data[4];
short length;
int Count2;
int Unknown;
switch(EncapsulationID)
{
case 0x00:
length = BitConverter.ToInt16(data, 5);
Array.Copy(data, 7, tmp=new byte[data.Length-8], 0, data.Length-8); //7. byte: data +1
return new object[] { EncapsulationID, Count, length, tmp };
case 0x40:
length = BitConverter.ToInt16(data, 5);
Array.Copy(data, 7, tmp = new byte[4], 0, 3); //7. byte: Count(?)
Count2 = BitConverter.ToInt32(tmp, 0);
Array.Copy(data, 10, tmp=new byte[data.Length-11], 0, data.Length - 11); //10. byte: data + Count +1
return new object[] { EncapsulationID, Count, length, Count2, tmp };
case 0x60:
length = BitConverter.ToInt16(data, 5);
Array.Copy(data, 7, tmp = new byte[4], 0, 3); //7. byte: Count(?)
Count2 = BitConverter.ToInt32(tmp, 0);
Unknown = BitConverter.ToInt32(data, 10); //10. byte: Unknown
Array.Copy(data, 14, tmp=new byte[data.Length-15], 0, data.Length - 15); //14. byte: data +1
return new object[] { EncapsulationID, Count, length, Count2, tmp };
default:
return null;
}
}
public static byte[] IntTo3Byte(int i)
{
byte[] tmp = BitConverter.GetBytes(i);
byte[] ret = new byte[3];
//Array.Copy(tmp, 1, ret, 0, 3);
Array.Copy(tmp, 0, ret, 0, 3);
return ret;
}
}
/*class MAGIC
{
public static implicit operator MAGIC(byte[] c)
{
return (MAGIC)c;
}
}*/
}

7
Connection forwarder/Program.cs
View file

@ -3,6 +3,7 @@ using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
@ -29,11 +30,15 @@ namespace Connection_forwarder
{
if (ip.AddressFamily == AddressFamily.InterNetwork)
{
//localIP = ip.ToString();
localIP = ip;
}
}
return localIP;
}
/// <summary>
//// Int64: ClientID
/// IP
/// </summary>
public static Dictionary<IPEndPoint, Object[]> ConnThreads = new Dictionary<IPEndPoint, Object[]>();
}
}