private void RspHttpHandshakeReceive()
{
httpProxyState = new HttpProxyState(true);
httpProxyState.httpAuthUser = _config.authUser;
httpProxyState.httpAuthPass = _config.authPass;
byte[] remoteHeaderSendBuffer = null;
int err = httpProxyState.HandshakeReceive(_firstPacket, _firstPacketLength, ref remoteHeaderSendBuffer);
if (err == 1)
{
_local.BeginReceive(connetionRecvBuffer, 0, _firstPacket.Length, 0,
new AsyncCallback(HttpHandshakeRecv), null);
}
else if (err == 2)
{
string dataSend = "HTTP/1.1 407 Proxy Authentication Required\r\nProxy-Authenticate: Basic realm=\"RRR\"\r\n\r\n";
dataSend += "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN" +
" \"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd\">" +
"<HTML>" +
" <HEAD>" +
" <TITLE>Error</TITLE>" +
" <META HTTP-EQUIV=\"Content-Type\" CONTENT=\"text/html; charset=ISO-8859-1\">" +
" </HEAD>" +
" <BODY><H1>407 Proxy Authentication Required.</H1></BODY>" +
"</HTML>";
byte[] httpData = System.Text.Encoding.UTF8.GetBytes(dataSend);
_local.BeginSend(httpData, 0, httpData.Length, 0, new AsyncCallback(HttpHandshakeAuthEndSend), null);
}
else if (err == 3)
{
Connect();
}
else if (err == 4)
{
Connect();
}
else if (err == 0)
{
string dataSend = "HTTP/1.1 200 Connection Established\r\n\r\n";
byte[] httpData = System.Text.Encoding.UTF8.GetBytes(dataSend);
_local.BeginSend(httpData, 0, httpData.Length, 0, new AsyncCallback(StartConnect), null);
}
}
// 2 sides connection start
private void StartPipe()
{
if (closed)
{
return;
}
try
{
// set mark
connectionTCPIdle = true;
connectionUDPIdle = true;
remoteTCPIdle = true;
remoteUDPIdle = true;
remoteTDPIdle = true;
remoteUDPRecvBufferLength = 0;
SetObfsPlugin();
ResetTimeout(TTL);
// remote ready
if (connectionUDP == null) // TCP
{
if (server.tcp_over_udp &&
remoteTDP != null)
{
doRemoteTDPRecv();
}
else if (httpProxyState != null)
{
RemoteSend(remoteHeaderSendBuffer, remoteHeaderSendBuffer.Length);
remoteHeaderSendBuffer = null;
httpProxyState = null;
}
}
else // UDP
{
if (
!server.udp_over_tcp &&
remoteUDP != null)
{
if (socks5RemotePort == 0)
CloseSocket(ref remote);
remoteHeaderSendBuffer = null;
}
else
{
if (remoteHeaderSendBuffer != null)
{
RemoteSend(remoteHeaderSendBuffer, remoteHeaderSendBuffer.Length);
remoteHeaderSendBuffer = null;
}
}
}
// remote recv first
doRemoteTCPRecv();
doRemoteUDPRecv();
// connection recv last
doConnectionTCPRecv();
doConnectionUDPRecv();
}
catch (Exception e)
{
LogSocketException(e);
if (!Logging.LogSocketException(server.remarks, server.server, e))
Logging.LogUsefulException(e);
this.Close();
}
}
private void RspHttpHandshakeReceive()
{
command = 1; // Set TCP connect command
httpProxyState = new HttpProxyState();
int err = httpProxyState.HandshakeReceive(_firstPacket, _firstPacketLength, ref remoteHeaderSendBuffer);
if (err == 1)
{
connection.BeginReceive(connetionRecvBuffer, 0, _firstPacket.Length, 0,
new AsyncCallback(HttpHandshakeRecv), null);
}
else if (err == 0)
{
string dataSend = "HTTP/1.1 200 Connection Established\r\n\r\n";
byte[] httpData = System.Text.Encoding.UTF8.GetBytes(dataSend);
connection.BeginSend(httpData, 0, httpData.Length, 0, new AsyncCallback(StartConnect), null);
}
}
private void RspHttpHandshakeReceive()
{
command = 1; // Set TCP connect command
httpProxyState = new HttpProxyState();
httpProxyState.httpAuthString = httpAuthString;
int err = httpProxyState.HandshakeReceive(_firstPacket, _firstPacketLength, ref remoteHeaderSendBuffer);
if (err == 1)
{
connection.BeginReceive(connetionRecvBuffer, 0, _firstPacket.Length, 0,
new AsyncCallback(HttpHandshakeRecv), null);
}
else if (err == 2)
{
string dataSend = "HTTP/1.1 407 Proxy Authentication Required\r\nProxy-Authenticate: Basic realm=\"SSR\"\r\n\r\n";
byte[] httpData = System.Text.Encoding.UTF8.GetBytes(dataSend);
connection.BeginSend(httpData, 0, httpData.Length, 0, new AsyncCallback(HttpHandshakeAuthEndSend), null);
}
else if (err == 3)
{
Connect();
}
else if (err == 4)
{
Connect();
}
else if (err == 0)
{
string dataSend = "HTTP/1.1 200 Connection Established\r\n\r\n";
byte[] httpData = System.Text.Encoding.UTF8.GetBytes(dataSend);
connection.BeginSend(httpData, 0, httpData.Length, 0, new AsyncCallback(StartConnect), null);
}
}
// 2 sides connection start
private void StartPipe()
{
if (closed)
{
return;
}
try
{
// set mark
connectionTCPIdle = true;
connectionUDPIdle = true;
remoteTCPIdle = true;
remoteUDPIdle = true;
remoteTDPIdle = true;
remoteUDPRecvBufferLength = 0;
SetObfsPlugin();
ResetTimeout(TTL);
// remote ready
if (connectionUDP == null) // TCP
{
if (server.tcp_over_udp &&
remoteTDP != null)
{
doRemoteTDPRecv();
}
else if (connectionSendBufferList != null && connectionSendBufferList.Count > 0)
{
foreach (byte[] buffer in connectionSendBufferList)
{
if (server.tcp_over_udp &&
remoteTDP != null)
{
RemoteTDPSend(buffer, buffer.Length);
}
else
{
RemoteSend(buffer, buffer.Length);
}
}
}
else if (httpProxyState != null)
{
detector.OnSend(remoteHeaderSendBuffer, remoteHeaderSendBuffer.Length);
RemoteSend(remoteHeaderSendBuffer, remoteHeaderSendBuffer.Length);
if (remoteHeaderSendBuffer != null)
{
byte[] data = new byte[remoteHeaderSendBuffer.Length];
Array.Copy(remoteHeaderSendBuffer, data, data.Length);
connectionSendBufferList.Add(data);
}
//if (httpProxyState.httpProxy)
//{
// byte[] buffer = new byte[0];
// int buffer_len = 0;
// httpProxyState.ParseHttpRequest(buffer, ref buffer_len);
// if (remoteHeaderSendBuffer != null && remoteHeaderSendBuffer.Length > 0)
// {
// RemoteSend(remoteHeaderSendBuffer, remoteHeaderSendBuffer.Length);
// byte[] data = new byte[remoteHeaderSendBuffer.Length];
// Array.Copy(remoteHeaderSendBuffer, data, data.Length);
// connectionSendBufferList.Add(data);
// }
//}
remoteHeaderSendBuffer = null;
if (!httpProxyState.httpProxy)
{
httpProxyState = null;
}
}
}
else // UDP
{
if (
!server.udp_over_tcp &&
remoteUDP != null)
{
if (socks5RemotePort == 0)
CloseSocket(ref remote);
remoteHeaderSendBuffer = null;
}
else
{
if (remoteHeaderSendBuffer != null)
{
RemoteSend(remoteHeaderSendBuffer, remoteHeaderSendBuffer.Length);
remoteHeaderSendBuffer = null;
}
}
}
this.State = ConnectState.CONNECTED;
// remote recv first
doRemoteTCPRecv();
doRemoteUDPRecv();
// connection recv last
doConnectionTCPRecv();
doConnectionUDPRecv();
}
catch (Exception e)
{
LogSocketException(e);
if (!Logging.LogSocketException(server.remarks, server.server, e))
Logging.LogUsefulException(e);
this.Close();
}
}
