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/*
* Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
* Please refer to the LICENSE.txt for licensing details.
*/
package ch.ethz.ssh2.channel;
import java.io.IOException;
import java.net.Socket;
import ch.ethz.ssh2.log.Logger;
/**
* RemoteAcceptThread.
*
* @author Christian Plattner
* @version $Id: RemoteAcceptThread.java 41 2011-06-02 10:36:41Z dkocher@sudo.ch $
*/
public class RemoteAcceptThread extends Thread
{
private static final Logger log = Logger.getLogger(RemoteAcceptThread.class);
Channel c;
String remoteConnectedAddress;
int remoteConnectedPort;
String remoteOriginatorAddress;
int remoteOriginatorPort;
String targetAddress;
int targetPort;
Socket s;
public RemoteAcceptThread(Channel c, String remoteConnectedAddress, int remoteConnectedPort,
String remoteOriginatorAddress, int remoteOriginatorPort, String targetAddress, int targetPort)
{
this.c = c;
this.remoteConnectedAddress = remoteConnectedAddress;
this.remoteConnectedPort = remoteConnectedPort;
this.remoteOriginatorAddress = remoteOriginatorAddress;
this.remoteOriginatorPort = remoteOriginatorPort;
this.targetAddress = targetAddress;
this.targetPort = targetPort;
log.debug("RemoteAcceptThread: " + remoteConnectedAddress + "/" + remoteConnectedPort + ", R: "
+ remoteOriginatorAddress + "/" + remoteOriginatorPort);
}
@Override
public void run()
{
try
{
c.cm.sendOpenConfirmation(c);
s = new Socket(targetAddress, targetPort);
StreamForwarder r2l = new StreamForwarder(c, null, null, c.getStdoutStream(), s.getOutputStream(),
"RemoteToLocal");
StreamForwarder l2r = new StreamForwarder(c, null, null, s.getInputStream(), c.getStdinStream(),
"LocalToRemote");
/* No need to start two threads, one can be executed in the current thread */
r2l.setDaemon(true);
r2l.start();
l2r.run();
while (r2l.isAlive())
{
try
{
r2l.join();
}
catch (InterruptedException ignored)
{
}
}
/* If the channel is already closed, then this is a no-op */
c.cm.closeChannel(c, "EOF on both streams reached.", true);
s.close();
}
catch (IOException e)
{
log.warning("IOException in proxy code: " + e.getMessage());
try
{
c.cm.closeChannel(c, "IOException in proxy code (" + e.getMessage() + ")", true);
}
catch (IOException ignored)
{
}
try
{
if (s != null)
s.close();
}
catch (IOException ignored)
{
}
}
}
}
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