/// <summary>
/// Connects to the management interface.
/// </summary>
public void connect()
{
m_logs.logLine(OVPNLogEventArgs.LogType.MGNMT, "Connecting to management interface");
m_logs.logDebugLine(1, "Connecting to management interface");
try
{
m_tcpC.Connect(m_host, m_port);
}
catch (SocketException e)
{
m_logs.logDebugLine(1, "Connection failed: " + e.Message);
throw; // new ApplicationException("Could not connect to socket: " + e.Message);
}
m_sread = new StreamReader(m_tcpC.GetStream());
m_swrite = new StreamWriter(m_tcpC.GetStream());
m_reader = new Thread(new ThreadStart(readerThread));
m_reader.Name = "management interface reader thread";
m_reader.Start();
m_connected = true;
}
/// <summary>
/// Start the OpenVPN binary.
/// </summary>
public void start()
{
m_logs.logDebugLine(1, "Starting OpenVPN");
m_logs.logLine(OVPNLogEventArgs.LogType.MGNMT, "Starting OpenVPN...");
m_process = new Process();
m_process.StartInfo = m_psi;
m_process.Exited += new EventHandler(this.exited_event);
m_process.EnableRaisingEvents = true;
try
{
m_process.Start();
} catch (System.ComponentModel.Win32Exception) {
m_logs.logLine(OVPNLogEventArgs.LogType.MGNMT, "Could not start OpenVPN");
return;
}
m_logs.logDebugLine(1, "Started");
m_logs.logLine(OVPNLogEventArgs.LogType.MGNMT, "OpenVPN is running");
running = true;
}
/// <summary>
/// We got a synchronous message.
/// </summary>
/// <param name="msg">The message</param>
public void cb_syncEvent(string msg)
{
// the reaction depends on what we are waiting for
switch (m_state)
{
// the number of SmartCards
case WaitState.PKCS11_GET_COUNT:
m_pkcs11count = m_ovpnMParser.getPKCS11IDCount(msg);
if (m_pkcs11count == -1)
{
m_logs.logLine(OVPNLogEventArgs.LogType.MGNMT,
"Could not determine the number of pkcs11-ids:\"" +
msg + "\"");
releaseLock();
}
else if (m_pkcs11count == 0)
{
m_logs.logLine(OVPNLogEventArgs.LogType.MGNMT,
"No pkcs11-ids were found");
int id = m_ovpn.getKeyID(new List <PKCS11Detail>());
if (id == OVPNNeedCardIDEventArgs.RETRY)
{
m_ovpnComm.send("pkcs11-id-count");
}
else
{
releaseLock();
}
}
else
{
m_logs.logLine(OVPNLogEventArgs.LogType.MGNMT,
"Got " + m_pkcs11count + " PKCS11-IDs");
m_pkcs11details.Clear();
releaseLock();
setLock(WaitState.PKCS11_GET_KEYS);
m_ovpnComm.send("pkcs11-id-get 0");
}
break;
case WaitState.PKCS11_GET_KEYS:
PKCS11Detail d = m_ovpnMParser.getPKCS11ID(msg);
if (d != null)
{
m_pkcs11details.Add(d);
if (d.Number < m_pkcs11count - 1)
{
m_ovpnComm.send("pkcs11-id-get " + (d.Number + 1));
}
else
{
releaseLock();
int kid = m_ovpn.getKeyID(m_pkcs11details);
if (kid == OVPNNeedCardIDEventArgs.RETRY)
{
setLock(WaitState.PKCS11_GET_COUNT);
m_ovpnComm.send("pkcs11-id-count");
}
else if (kid != OVPNNeedCardIDEventArgs.NONE)
{
m_ovpnComm.send("needstr 'pkcs11-id-request' '" +
m_pkcs11details[kid].Id + "'");
}
}
}
// error in parsing
else
{
m_logs.logDebugLine(1,
"Error while parsing pkcs11-id-get: \"" +
msg + "\"");
releaseLock();
}
break;
// logging was turned on, wait for log lines
case WaitState.LOG_ON_ALL_1:
setLock(WaitState.LOG_ON_ALL_2,true);
break;
// logging was turned on
case WaitState.LOG_ON:
case WaitState.LOG_ON_ALL_2:
releaseLock();
string[] m = msg.Split("\n".ToCharArray());
for (int i = 0; i < m.GetUpperBound(0) - 1; ++i)
{
addLog(m[i]);
}
setLock(WaitState.STATE);
m_ovpnComm.send("state on");
break;
// "state" was set
case WaitState.STATE:
releaseLock();
if (m_releaselock)
{
setLock(WaitState.HOLD_RELEASE);
m_ovpnComm.send("hold release");
m_releaselock = false;
}
break;
// hold relese was executed
case WaitState.HOLD_RELEASE:
releaseLock();
break;
// we sent a signal
case WaitState.SIGNAL:
releaseLock();
break;
// something else happened (this should not happen)
// we release the lock
default:
releaseLock();
break;
}
}
