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

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initial version
author Carl Byington <carl@five-ten-sg.com>
date Thu, 22 May 2014 10:41:19 -0700
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-1:000000000000 0:0ce5cc452d02
1
2 package com.trilead.ssh2.channel;
3
4 import java.io.IOException;
5 import java.net.Socket;
6
7 import com.trilead.ssh2.log.Logger;
8
9
10 /**
11 * RemoteAcceptThread.
12 *
13 * @author Christian Plattner, plattner@trilead.com
14 * @version $Id: RemoteAcceptThread.java,v 1.1 2007/10/15 12:49:56 cplattne Exp $
15 */
16 public class RemoteAcceptThread extends Thread {
17 private static final Logger log = Logger.getLogger(RemoteAcceptThread.class);
18
19 Channel c;
20
21 String remoteConnectedAddress;
22 int remoteConnectedPort;
23 String remoteOriginatorAddress;
24 int remoteOriginatorPort;
25 String targetAddress;
26 int targetPort;
27
28 Socket s;
29
30 public RemoteAcceptThread(Channel c, String remoteConnectedAddress, int remoteConnectedPort,
31 String remoteOriginatorAddress, int remoteOriginatorPort, String targetAddress, int targetPort) {
32 this.c = c;
33 this.remoteConnectedAddress = remoteConnectedAddress;
34 this.remoteConnectedPort = remoteConnectedPort;
35 this.remoteOriginatorAddress = remoteOriginatorAddress;
36 this.remoteOriginatorPort = remoteOriginatorPort;
37 this.targetAddress = targetAddress;
38 this.targetPort = targetPort;
39
40 if (log.isEnabled())
41 log.log(20, "RemoteAcceptThread: " + remoteConnectedAddress + "/" + remoteConnectedPort + ", R: "
42 + remoteOriginatorAddress + "/" + remoteOriginatorPort);
43 }
44
45 public void run() {
46 try {
47 c.cm.sendOpenConfirmation(c);
48 s = new Socket(targetAddress, targetPort);
49 StreamForwarder r2l = new StreamForwarder(c, null, s, c.getStdoutStream(), s.getOutputStream(),
50 "RemoteToLocal");
51 StreamForwarder l2r = new StreamForwarder(c, null, null, s.getInputStream(), c.getStdinStream(),
52 "LocalToRemote");
53 /* No need to start two threads, one can be executed in the current thread */
54 r2l.setDaemon(true);
55 r2l.start();
56 l2r.run();
57
58 while (r2l.isAlive()) {
59 try {
60 r2l.join();
61 }
62 catch (InterruptedException e) {
63 }
64 }
65
66 /* If the channel is already closed, then this is a no-op */
67 c.cm.closeChannel(c, "EOF on both streams reached.", true);
68 s.close();
69 }
70 catch (IOException e) {
71 log.log(50, "IOException in proxy code: " + e.getMessage());
72
73 try {
74 c.cm.closeChannel(c, "IOException in proxy code (" + e.getMessage() + ")", true);
75 }
76 catch (IOException e1) {
77 }
78
79 try {
80 if (s != null)
81 s.close();
82 }
83 catch (IOException e1) {
84 }
85 }
86 }
87 }