examples.RemotePF Maven / Gradle / Ivy
/*
* Copyright 2010-2012 sshj contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package examples;
import net.schmizz.sshj.SSHClient;
import net.schmizz.sshj.connection.channel.forwarded.RemotePortForwarder.Forward;
import net.schmizz.sshj.connection.channel.forwarded.SocketForwardingConnectListener;
import java.io.IOException;
import java.net.InetSocketAddress;
/**
* This example demonstrates remote port forwarding i.e. when the remote host is made to listen on a specific address
* and port; and forwards us incoming connections.
*/
public class RemotePF {
public static void main(String... args)
throws IOException {
SSHClient client = new SSHClient();
client.loadKnownHosts();
client.connect("localhost");
try {
client.authPublickey(System.getProperty("user.name"));
/*
* We make _server_ listen on port 8080, which forwards all connections to us as a channel, and we further
* forward all such channels to google.com:80
*/
client.getRemotePortForwarder().bind(
// where the server should listen
new Forward(8080),
// what we do with incoming connections that are forwarded to us
new SocketForwardingConnectListener(new InetSocketAddress("google.com", 80)));
client.getTransport().setHeartbeatInterval(30);
// Something to hang on to so that the forwarding stays
client.getTransport().join();
} finally {
client.disconnect();
}
}
}