Route Socket Connections through an SSH Object

See more Socket/SSL/TLS Examples

Demonstrates Socket.UseSsh, which configures a socket to route subsequent Connect calls through an already connected and authenticated Ssh object using SSH port forwarding.

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    boolean success = false;

    CkSsh ssh = new CkSsh();

    //  Connect and authenticate a standalone SSH object.
    success = ssh.Connect("ssh.example.com",22);
    if (success == false) {
        System.out.println(ssh.lastErrorText());
        return;
        }

    //  The SSH password should come from a secure source rather than being hard-coded.
    String sshPassword = "mySshPassword";
    success = ssh.AuthenticatePw("sshUser",sshPassword);
    if (success == false) {
        System.out.println(ssh.lastErrorText());
        return;
        }

    CkSocket socket = new CkSocket();

    //  Route subsequent Connect calls through the already connected and authenticated SSH object.  The
    //  destination is reached by SSH port forwarding rather than by a direct TCP connection.
    success = socket.UseSsh(ssh);
    if (success == false) {
        System.out.println(socket.lastErrorText());
        return;
        }

    //  Connect to the destination through the SSH tunnel.
    boolean bTls = false;
    int maxWaitMs = 5000;
    success = socket.Connect("db.internal",5432,bTls,maxWaitMs);
    if (success == false) {
        System.out.println(socket.lastErrorText());
        return;
        }

    System.out.println("Connected to the destination through the SSH tunnel.");
  }
}