diff src/ch/ethz/ssh2/channel/RemoteAcceptThread.java @ 273:91a31873c42a ganymed

start conversion from trilead to ganymed
author Carl Byington <carl@five-ten-sg.com>
date Fri, 18 Jul 2014 11:21:46 -0700
parents
children 071eccdff8ea
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/ch/ethz/ssh2/channel/RemoteAcceptThread.java	Fri Jul 18 11:21:46 2014 -0700
@@ -0,0 +1,105 @@
+/*
+ * 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 119 2014-04-12 20:30:58Z 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, e, true);
+			}
+			catch (IOException ignored)
+			{
+			}
+			try
+			{
+				if (s != null)
+					s.close();
+			}
+			catch (IOException ignored)
+			{
+			}
+		}
+	}
+}