diff src/com/trilead/ssh2/channel/RemoteAcceptThread.java @ 0:0ce5cc452d02

initial version
author Carl Byington <carl@five-ten-sg.com>
date Thu, 22 May 2014 10:41:19 -0700
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/com/trilead/ssh2/channel/RemoteAcceptThread.java	Thu May 22 10:41:19 2014 -0700
@@ -0,0 +1,87 @@
+
+package com.trilead.ssh2.channel;
+
+import java.io.IOException;
+import java.net.Socket;
+
+import com.trilead.ssh2.log.Logger;
+
+
+/**
+ * RemoteAcceptThread.
+ *
+ * @author Christian Plattner, plattner@trilead.com
+ * @version $Id: RemoteAcceptThread.java,v 1.1 2007/10/15 12:49:56 cplattne Exp $
+ */
+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;
+
+        if (log.isEnabled())
+            log.log(20, "RemoteAcceptThread: " + remoteConnectedAddress + "/" + remoteConnectedPort + ", R: "
+                    + remoteOriginatorAddress + "/" + remoteOriginatorPort);
+    }
+
+    public void run() {
+        try {
+            c.cm.sendOpenConfirmation(c);
+            s = new Socket(targetAddress, targetPort);
+            StreamForwarder r2l = new StreamForwarder(c, null, s, 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 e) {
+                }
+            }
+
+            /* 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.log(50, "IOException in proxy code: " + e.getMessage());
+
+            try {
+                c.cm.closeChannel(c, "IOException in proxy code (" + e.getMessage() + ")", true);
+            }
+            catch (IOException e1) {
+            }
+
+            try {
+                if (s != null)
+                    s.close();
+            }
+            catch (IOException e1) {
+            }
+        }
+    }
+}