SSH Tunnel Authenticate with a SecureString Password

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Demonstrates the Chilkat SshTunnel.AuthenticateSecPw method, which authenticates using SecureString login and password objects. The first argument is the login and the second is the password.

// 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;

    //  Demonstrates the SshTunnel.AuthenticateSecPw method, which authenticates using SecureString
    //  login and password objects.  The 1st argument is the login and the 2nd is the password.

    CkSshTunnel tunnel = new CkSshTunnel();

    //  The tunnel forwards accepted local connections to this destination through the SSH server.
    tunnel.put_DestHostname("db.internal.example.com");
    tunnel.put_DestPort(5432);

    //  Connect to the SSH server.  This performs the TCP/proxy connection and SSH handshake, but
    //  does not authenticate yet.
    int sshPort = 22;
    success = tunnel.Connect("ssh.example.com",sshPort);
    if (success == false) {
        Log.i(TAG, tunnel.lastErrorText());
        return;
        }

    //  Normally you would not hard-code the password in source.  You should instead obtain it
    //  from an interactive prompt, environment variable, or a secrets vault.
    String password = "mySshPassword";

    //  Place the login and password into SecureString objects.
    CkSecureString secureLogin = new CkSecureString();
    secureLogin.Append("mySshLogin");
    CkSecureString securePassword = new CkSecureString();
    securePassword.Append(password);

    success = tunnel.AuthenticateSecPw(secureLogin,securePassword);
    if (success == false) {
        Log.i(TAG, tunnel.lastErrorText());
        return;
        }

    Log.i(TAG, "Authenticated with secure strings.");

    //  After authenticating, call BeginAccepting to start listening for local connections to forward.

    boolean waitForThreadExit = true;
    success = tunnel.CloseTunnel(waitForThreadExit);
    if (success == false) {
        Log.i(TAG, tunnel.lastErrorText());
        return;
        }


  }

  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."
  }
}