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.

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    boolean success = false;

    CkSsh ssh = new CkSsh();

    //  Connect and authenticate a standalone SSH object.
    success = ssh.Connect("ssh.example.com",22);
    if (success == false) {
        Log.i(TAG, 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) {
        Log.i(TAG, 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) {
        Log.i(TAG, 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) {
        Log.i(TAG, socket.lastErrorText());
        return;
        }

    Log.i(TAG, "Connected to the destination through the SSH tunnel.");

  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}