/// <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 = KwmReg.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 = KwmPath.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 = KwmCfg.Cur.KtlstunnelLoggingLevel > 0 ? " -l 3" : "";
String args = " -C kmod_connect -p " + port + debug + " -m 20000 -k \"" + KmodDir + "\"";
String cmdLine = Kmod + args;
KLogging.Log("About to start kmod.exe: " + cmdLine);
m_kmodProc = new KProcess(cmdLine);
m_kmodProc.InheritHandles = false;
m_kmodProc.CreationFlags = (uint)KSyscalls.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 = KSocket.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 (!KUtil.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();
}
}
/// <summary>
/// Accept a connection after the call to select.
/// </summary>
private void AfterSelectListen(SelectSockets selectSockets)
{
if (!selectSockets.InRead(ListenSock)) return;
Socket sock = null;
try
{
sock = ListenSock.Accept();
sock.Blocking = false;
}
catch (Exception)
{
return;
}
EAnpServerThreadChannel c = new EAnpServerThreadChannel(this, sock);
ChannelTree[c.ChannelID] = c;
}
