private void ChangeHttpHost(Stream source, Stream dest)
{
try
{
replacementRequired = true;
dest.WriteByte(tmpByte);
int i;
for (i = 1; i < httpHostHeaderLine.Length; i++)
{
tmpByte = (byte)source.ReadByte();
StreamLogger.Write(ep1, ep2, tmpByte);
dest.WriteByte(tmpByte);
if (tmpByte != httpHostHeaderLine[i])
{
replacementRequired = false;
break;
}
}
if (replacementRequired)
{
replacementRequired = false;
Log.Write(Enums.LogType.Info, "Host detected! Replacing...");
string tmpStr = "";
do
{
tmpByte = (byte)source.ReadByte();
tmpStr += (char)tmpByte;
} while (tmpByte != (byte)'\n');
Log.Write(Enums.LogType.Info, "Host received: " + tmpStr
.Replace('\r', ' ')
.Replace('\n', ' '));
tmpStr = "";
for (i = 0; i < httpHostReplacement.Length; i++)
{
tmpStr += (char)httpHostReplacement[i];
StreamLogger.Write(ep1, ep2, httpHostReplacement[i]);
dest.WriteByte(httpHostReplacement[i]);
}
Log.Write(Enums.LogType.Info, "Replaced with: " + tmpStr);
dest.WriteByte((byte)'\r');
StreamLogger.Write(ep1, ep2, (byte)'\r');
dest.WriteByte((byte)'\n');
StreamLogger.Write(ep1, ep2, (byte)'\n');
}
}
catch { }
}
private void ThreadLoop(object obj)
{
long lastData = DateTime.Now.Ticks / 10000;
long tmp;
while (main.Status == 1)
{
tmp = DateTime.Now.Ticks / 10000 - lastData;
if (tmp >= main.Timeout)
{
main.ActiveConnections--;
Log.Write(Enums.LogType.Info, "Connection timed out");
StreamLogger.EndLogging(ep1, ep2);
StreamLogger.EndLogging(ep2, ep1);
break;
}
try
{
if (client1.Available > 0) //client1 -> client2
{
lastData = DateTime.Now.Ticks / 10000;
tmpByte = (byte)client1.GetStream().ReadByte();
StreamLogger.Write(ep1, ep2, tmpByte);
if (tmpByte != httpHostHeaderLine[0] || !main.HttpProtocol)
{
client2.GetStream().WriteByte(tmpByte);
}
else
{
ChangeHttpHost(client1.GetStream(), client2.GetStream());
}
}
if (client2.Available > 0) //client1 <- client2
{
tmpByte = (byte)client2.GetStream().ReadByte();
StreamLogger.Write(ep2, ep1, tmpByte);
lastData = DateTime.Now.Ticks / 10000;
if (tmpByte != httpHostHeaderLine[0] || !main.HttpProtocol)
{
client1.GetStream().WriteByte(tmpByte);
}
else
{
ChangeHttpHost(client2.GetStream(), client1.GetStream());
}
}
Thread.Sleep(new TimeSpan(main.TicksBetweenBytes));
errorCounter = 0;
}
catch
{
errorCounter++;
if (errorCounter == 200)
{
Log.Write(Enums.LogType.Warning, "Connection closed");
StreamLogger.EndLogging(ep1, ep2);
StreamLogger.EndLogging(ep2, ep1);
client1.Close();
client2.Close();
main.ActiveConnections--;
break;
}
}
}
}
private void ThreadLoopSsl(object obj)
{
SslStream ssl;
ssl = new SslStream(client2.GetStream(), true, null, null, EncryptionPolicy.AllowNoEncryption);
Log.Write(Enums.LogType.Info, "Encrypted: " + ssl.IsEncrypted);
ssl.AuthenticateAsClient(main.Connection1.Host, null, System.Security.Authentication.SslProtocols.Tls12, false);
Log.Write(Enums.LogType.Info, "Encrypted (after Auth): " + ssl.IsEncrypted);
long lastData = DateTime.Now.Ticks / 10000;
long tmp;
while (main.Status == 1)
{
tmp = DateTime.Now.Ticks / 10000 - lastData;
if (tmp >= main.Timeout)
{
main.ActiveConnections--;
Log.Write(Enums.LogType.Info, "Connection timed out");
break;
}
try
{
if (client1.Available > 0) //client1 -> client2
{
lastData = DateTime.Now.Ticks / 10000;
tmpByte = (byte)client1.GetStream().ReadByte();
StreamLogger.Write(ep1, ep2, tmpByte);
if (tmpByte != httpHostHeaderLine[0] || !main.HttpProtocol)
{
ssl.WriteByte(tmpByte);
}
else
{
ChangeHttpHost(client1.GetStream(), ssl);
}
}
if (client2.Available > 0) //client1 <- client2
{
tmpByte = (byte)ssl.ReadByte();
lastData = DateTime.Now.Ticks / 10000;
if (tmpByte != httpHostHeaderLine[0] || !main.HttpProtocol)
{
client1.GetStream().WriteByte(tmpByte);
}
else
{
ChangeHttpHost(ssl, client1.GetStream());
}
}
Thread.Sleep(new TimeSpan(main.TicksBetweenBytes));
errorCounter = 0;
}
catch (Exception e)
{
Log.Write(Enums.LogType.Error, e.Message);
errorCounter++;
if (errorCounter == 200)
{
Log.Write(Enums.LogType.Warning, "Connection closed");
ssl.Close();
client1.Close();
client2.Close();
main.ActiveConnections--;
break;
}
}
}
}
