//private TcpClient client;
//private Dictionary<string, object> targetInfo;
//private object userConfigJson;
//private Form1 form1;
public Tunnel(Socket client, Dictionary <string, object> targetInfo, ConfigJson userConfigJson, Form1 form)
{
_client = client;
_userConfigJson = userConfigJson;
_targetInfo = targetInfo;
_form = form;
enCodeRc4 = new RC4(userConfigJson.passport);
deCodeRc4 = new RC4(userConfigJson.passport);
_form.SetLogTextBox("Tunnel");
NetworkStream clientStream = new NetworkStream(_client);
TunnelStart(clientStream, new byte[1], 0);
//_remote = new Socket(AddressFamily.InterNetwork,
// SocketType.Stream,
// ProtocolType.Tcp);
//Thread sendTargetThread = null;
//NetworkStream clientStream = new NetworkStream(client);
//try
//{
// _remote.Connect(_userConfigJson.server, _userConfigJson.port);
// NetworkStream remoteStream = new NetworkStream(_remote);
// SendTargetInfoToRemote(_targetInfo, remoteStream, enCodeRc4);
// _form.SetLogTextBox("send target Info");
// sendTargetThread = new Thread(ThreadForTarget);
// sendTargetThread.Start(new ArrayList { clientStream, remoteStream, enCodeRc4 });
// LoopReceiveAndSend(remoteStream, clientStream, deCodeRc4);
//}
//catch (Exception e)
//{
// _form.SetLogTextBox("传输异常结束: " + e.ToString());
//}
//Dispose();
}
public Tunnel(TcpClient client, NetworkStream clientStream, Dictionary <string, object> targetInfo, ConfigJson userConfigJson, Form1 form1, byte[] sendData, int sendDataSize)
{
tcpClient = client;
_userConfigJson = userConfigJson;
_targetInfo = targetInfo;
_form = form1;
enCodeRc4 = new RC4(userConfigJson.passport);
deCodeRc4 = new RC4(userConfigJson.passport);
_form.SetLogTextBox("http Tunnel");
TunnelStart(clientStream, sendData, sendDataSize);
}
private void ThreadForTarget(object socketList)
{
ArrayList arrayList = socketList as ArrayList;
Socket clientSock = arrayList[0] as Socket;
Socket targetSock = arrayList[1] as Socket;
RC4 enCodeRc4 = arrayList[2] as RC4;
try
{
LoopReceiveAndSend(clientSock, targetSock, enCodeRc4);
} catch (Exception)
{
mainForm.SetLogTextBox("发送给目标数据异常");
}
}
private void ThreadForTarget(object socketList)
{
ArrayList arrayList = socketList as ArrayList;
// Socket clientSock = arrayList[0] as Socket;
// Socket targetSock = arrayList[1] as Socket;
NetworkStream clientStream = arrayList[0] as NetworkStream;
NetworkStream targetStream = arrayList[1] as NetworkStream;
RC4 enCodeRc4 = arrayList[2] as RC4;
try
{
LoopReceiveAndSend(clientStream, targetStream, enCodeRc4);
}
catch (Exception)
{
}
}
private void LoopReceiveAndSend(Socket reviceSock, Socket sendSock, RC4 enCodeRc4)
{
while (true)
{
if (reviceSock.Poll(1, SelectMode.SelectRead) && reviceSock.Available == 0)
{
break;
}
byte[] data = new byte[4096 * 10];
int tlength = reviceSock.Receive(data);
byte[] sendData = data.Take(tlength).ToArray();
int sendLength = sendSock.Send(enCodeRc4.Encrypt(sendData), 0, tlength, SocketFlags.None);
// mainForm.SetLogTextBox(System.Text.Encoding.ASCII.GetString(_data));
if (tlength != sendLength)
{
break;
}
}
}
private void LoopReceiveAndSend(NetworkStream reviceStream, NetworkStream sendStream, RC4 enCodeRc4)
{
while (true)
{
if (!reviceStream.CanRead || !sendStream.CanWrite)
{
break;
}
byte[] data = new byte[4096 * 10];
try
{
int tlength = reviceStream.Read(data, 0, data.Length);
byte[] sendData = data.Take(tlength).ToArray();
sendStream.Write(enCodeRc4.Encrypt(sendData), 0, tlength);
} catch (Exception)
{
break;
}
// mainForm.SetLogTextBox(System.Text.Encoding.ASCII.GetString(_data));
}
}
private void SendTargetInfoToRemote(Dictionary <string, object> targetInfo, NetworkStream remoteStream, RC4 enCodeRc4)
{
// lenth addrLength addr port md5
byte[] sendData = new byte[512];
string addr = (string)targetInfo["addr"];
byte[] addrLength = Utils.ShortToHByte((short)addr.Length);
byte[] port = Utils.ShortToHByte((short)targetInfo["port"]);
MD5 md5Hash = MD5.Create();
string md5 = Utils.GetMd5Hash(md5Hash, (string)targetInfo["addr"]);
byte[] md5b = Utils.GetBytes(md5);
sbyte length = (sbyte)(2 + 2 + 32 + (sbyte)(addr.Length));
byte[] bLength = BitConverter.GetBytes((sbyte)length);
byte[] encode = new byte[4 + 32 + addr.Length];
// bLength.CopyTo(encode, 0);
addrLength.CopyTo(encode, 0);
byte[] tmpAddr = Utils.GetBytes(addr);
tmpAddr.CopyTo(encode, 2);
port.CopyTo(encode, 2 + addr.Length);
md5b.CopyTo(encode, 4 + addr.Length);
byte[] rcEncode = enCodeRc4.Encrypt(encode);
rcEncode.CopyTo(sendData, 1);
sendData[0] = (byte)length;
remoteStream.Write(sendData, 0, addr.Length + 5 + 32);
}
private void SendTargetInfoToRemote(Dictionary <string, object> targetInfo, Socket remoteSock, RC4 enCodeRc4)
{
// lenth addrLength addr port md5
byte[] sendData = new byte[512];
string addr = (string)targetInfo["addr"];
byte[] addrLength = ShortToHByte((short)addr.Length);
byte[] port = ShortToHByte((short)targetInfo["port"]);
MD5 md5Hash = MD5.Create();
string md5 = GetMd5Hash(md5Hash, (string)targetInfo["addr"]);
byte[] md5b = GetBytes(md5);
sbyte length = (sbyte)(2 + 2 + 32 + (sbyte)(addr.Length));
byte[] bLength = BitConverter.GetBytes((sbyte)length);
byte[] encode = new byte[4 + 32 + addr.Length];
// bLength.CopyTo(encode, 0);
addrLength.CopyTo(encode, 0);
byte[] tmpAddr = GetBytes(addr);
tmpAddr.CopyTo(encode, 2);
port.CopyTo(encode, 2 + addr.Length);
md5b.CopyTo(encode, 4 + addr.Length);
byte[] rcEncode = enCodeRc4.Encrypt(encode);
rcEncode.CopyTo(sendData, 1);
sendData[0] = (byte)length;
mainForm.SetLogTextBox(BitConverter.ToString(sendData));
remoteSock.Send(sendData, 0, addr.Length + 5 + 32, SocketFlags.None);
}
