Atsuhiko Yamanaka skribis:
> +-From: Paul Ebermann <[email protected]> --
> |_Date: Thu, 28 Apr 2011 03:04:12 +0200 __
> |
> |I am outside this network, but I have an IP address of one of those
> gateway nodes. To
> |access any of the non-gateway nodes, our program until now opened an JSch
> Session
> |(gateway) to the gateway node, and then used
> |
> | gateway.setPortForwardingL(localPort, ipNode, 22);
> |
> |with a random local port. Then it opened a new Session:
> |
> | jsch.getSession(username, "127.0.0.1", localPort);
> |
> |This worked fine (but seemed to neccesiate
> setConfig("StrictHostKeyChecking", "no"),
> | since all connections now did go to 127.0.0.1).
>
> The following will be better in that scenario,
>
> int localPort = gateway.setPortForwardingL(0, ipNode, 22);
> Session session = jsch.getSession(username, "127.0.0.1", localPort);
> session.setHostKeyAlias(ipNode);
Ah, thanks, seems like a good idea.
> And then, the following change my do the trick,
>
> public void connect(SocketFactory ignore, String host,
> int port, int timeout)
> throws Exception {
> activator.logInfo("setup tunnel through gateway to " +
> host +":"+port + "...");
> channel =
> (ChannelDirectTCPIP)gateway.openChannel("direct-tcpip");
> channel.setHost(host);
> channel.setPort(port);
> iStream = channel.getInputStream(); // !!
> oStream = channel.getOutputStream(); // !!
> channel.connect();
> // iStream = channel.getInputStream();
> // oStream = channel.getOutputStream();
> activator.logInfo("tunnel to "+host +":"+port + "
> established.");
> }
Yes, it works this way!
Thanks. (I now feel a bit stupid to have used quite some hours to search the
problem ...
which then could be solved by moving one line.)
(I've added a not to each of the get/set stream methods of Channel in my
documentation
that they should be called before connecting.)
Paŭlo
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