/// <summary>
/// Disconnect and close ktlstunnel.
/// </summary>
public void Terminate()
{
Disconnect();
if (TunnelProcess != null)
{
TunnelProcess.Terminate();
TunnelProcess = null;
}
}
/// <summary>
/// Clean up the KMOD process and socket.
/// </summary>
private void CleanUpKmod()
{
if (m_kmodProc != null)
{
m_kmodProc.Terminate();
m_kmodProc = null;
}
if (m_kmodSock != null)
{
m_kmodSock.Close();
m_kmodSock = null;
}
}
/// <summary>
/// Create a listening socket and spawn ktlstunnel process.
/// </summary>
public void BeginTls(string extraParams)
{
IPEndPoint endPoint = new IPEndPoint(IPAddress.Loopback, 0);
Sock = new Socket(endPoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
Sock.Bind(endPoint);
Sock.Listen(1);
/* Create a logging dir for ktlstunnel, if it does not exist */
if (!Directory.Exists(Misc.GetKtlstunnelLogFilePath()))
{
Directory.CreateDirectory(Misc.GetKtlstunnelLogFilePath());
}
// Start ktlstunnel as such.
// ktlstunnel localhost ((IPEndPoint)Listener.LocalEndPoint).Port Host Port [-r host:port]
String loggingPath = "-L " + "\"" + Misc.GetKtlstunnelLogFilePath() + "ktlstunnel-" + Base.GetLogFileName() + "\" ";
String loggingLevel = "";
#if false
if (Misc.ApplicationSettings.ktlstunnelLoggingLevel == 1)
{
loggingLevel = "-l minimal ";
loggingLevel += loggingPath;
}
else if (Misc.ApplicationSettings.ktlstunnelLoggingLevel == 2)
{
loggingLevel = "-l debug ";
loggingLevel += loggingPath;
}
#endif
loggingLevel = "-l minimal ";
loggingLevel += loggingPath;
string startupLine = "\"" + Base.GetKwmInstallationPath() + @"ktlstunnel\ktlstunnel.exe" + "\" " +
loggingLevel +
"localhost " + ((IPEndPoint)Sock.LocalEndPoint).Port.ToString() + " " +
Host + " " + Port + " " + extraParams;
Logging.Log("Starting ktlstunnel.exe : " + startupLine);
TunnelProcess = new RawProcess(startupLine);
TunnelProcess.InheritHandles = false;
TunnelProcess.CreationFlags = (uint)Syscalls.CREATION_FLAGS.CREATE_NO_WINDOW;
TunnelProcess.Start();
}
/// <summary>
/// Start kmod and connect to it.
/// </summary>
private void StartKmod()
{
FileStream file = null;
Socket listenSock = null;
RegistryKey kwmRegKey = null;
try
{
// Get the path to the kmod executable in the registry.
kwmRegKey = Base.GetKwmLMRegKey();
String Kmod = "\"" + (String)kwmRegKey.GetValue("InstallDir", @"C:\Program Files\Teambox\Teambox Manager") + "\\kmod\\kmod.exe\"";
// The directory where KMOD will save logs and its database for use with the kwm.
String KmodDir = Misc.GetKmodDirPath();
Directory.CreateDirectory(KmodDir);
// Start listening for kmod to connect when it'll be started.
IPEndPoint endPoint = new IPEndPoint(IPAddress.Loopback, 0);
listenSock = new Socket(endPoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
listenSock.Bind(endPoint);
listenSock.Listen(1);
int port = ((IPEndPoint)listenSock.LocalEndPoint).Port;
// Start KMOD in debugging mode if our settings say so.
//String debug = Misc.ApplicationSettings.ktlstunnelLoggingLevel > 0 ? " -l 3" : "";
String debug = "-l 3";
String args = " -C kmod_connect -p " + port + debug + " -m 20000 -k \"" + KmodDir + "\"";
String cmdLine = Kmod + args;
Logging.Log("About to start kmod.exe: " + cmdLine);
m_kmodProc = new RawProcess(cmdLine);
m_kmodProc.InheritHandles = false;
m_kmodProc.CreationFlags = (uint)Syscalls.CREATION_FLAGS.CREATE_NO_WINDOW;
m_kmodProc.Start();
// Wait for KMOD to connect for about 10 seconds.
DateTime startTime = DateTime.Now;
while (true)
{
SelectSockets select = new SelectSockets();
select.AddRead(listenSock);
SetSelectTimeout(startTime, 10000, select, "no KMOD connection received");
Block(select);
if (select.InRead(listenSock))
{
m_kmodSock = listenSock.Accept();
m_kmodSock.Blocking = false;
break;
}
}
// Read the authentication data.
byte[] authSockData = new byte[32];
byte[] authFileData = new byte[32];
startTime = DateTime.Now;
int nbRead = 0;
while (nbRead != 32)
{
SelectSockets select = new SelectSockets();
select.AddRead(m_kmodSock);
SetSelectTimeout(startTime, 2000, select, "no authentication data received");
Block(select);
int r = Base.SockRead(m_kmodSock, authSockData, nbRead, 32 - nbRead);
if (r > 0)
{
nbRead += r;
}
}
file = File.Open(KmodDir + "\\connect_secret", FileMode.Open);
file.Read(authFileData, 0, 32);
if (!Base.ByteArrayEqual(authFileData, authSockData))
{
throw new Exception("invalid authentication data received");
}
// Set the transport.
m_transport = new K3pTransport(m_kmodSock);
}
finally
{
if (file != null)
{
file.Close();
}
if (listenSock != null)
{
listenSock.Close();
}
if (kwmRegKey != null)
{
kwmRegKey.Close();
}
}
}
