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- package de.tudarmstadt.informatik.hostage.ui;
- import java.util.ArrayList;
- import java.util.HashMap;
- import android.app.Activity;
- import android.app.ActivityManager;
- import android.app.ActivityManager.RunningServiceInfo;
- import android.content.BroadcastReceiver;
- import android.content.ComponentName;
- import android.content.Context;
- import android.content.Intent;
- import android.content.IntentFilter;
- import android.content.ServiceConnection;
- import android.content.SharedPreferences;
- import android.content.SharedPreferences.Editor;
- import android.net.ConnectivityManager;
- import android.os.Bundle;
- import android.os.IBinder;
- import android.support.v4.content.LocalBroadcastManager;
- import android.view.GestureDetector;
- import android.view.GestureDetector.SimpleOnGestureListener;
- import android.view.Menu;
- import android.view.MenuItem;
- import android.view.MotionEvent;
- import android.view.View;
- import android.view.View.OnTouchListener;
- import android.view.animation.Animation;
- import android.view.animation.AnimationUtils;
- import android.widget.AdapterView;
- import android.widget.AdapterView.OnItemClickListener;
- import android.widget.CheckBox;
- import android.widget.ImageView;
- import android.widget.ListView;
- import android.widget.TextView;
- import android.widget.Toast;
- import android.widget.ToggleButton;
- import android.widget.ViewAnimator;
- import de.tudarmstadt.informatik.hostage.HoneyService;
- import de.tudarmstadt.informatik.hostage.HoneyService.LocalBinder;
- import de.tudarmstadt.informatik.hostage.R;
- import de.tudarmstadt.informatik.hostage.commons.HelperUtils;
- import de.tudarmstadt.informatik.hostage.logging.Logger;
- import de.tudarmstadt.informatik.hostage.logging.SQLLogger;
- /**
- * MainActivity is the central activity for the GUI of the application.
- * MainActivity is launched when the application is first started.
- * It shows the user: <br>
- * - information about the network<br>
- * - light indicators for recorded attacks on each protocol<br>
- * - amount of attacks on each protocols<br>
- * The user can start and stop services.
- * @author Mihai Plasoianu
- * @author Lars Pandikow
- *
- */
- public class MainActivity extends Activity {
- // String constants for whole application
- /**
- * Used for Broadcast between service and GUI. String: "de.tudarmstadt.informatik.hostage.BROADCAST"
- */
- public static final String BROADCAST = "de.tudarmstadt.informatik.hostage.BROADCAST";
- /**
- * Used to store session related data in a SharedPrefereces. String: "de.tudarmstadt.informatik.hostage.SESSION_DATA"
- */
- public static final String SESSION_DATA = "de.tudarmstadt.informatik.hostage.SESSION_DATA";
- public static final String LISTENER = "_LISTENER";
- public static final String HANDLER_COUNT = "_HANDLER_COUNT";
- public static final String SSID = "SSID";
- public static final String BSSID = "BSSID";
- public static final String INTERNAL_IP = "INTERNAL_IP";
- public static final String EXTERNAL_IP = "EXTERNAL_IP";
- /**
- * Integer representing a grey light.
- */
- public static final int LIGHT_GREY = 0x01;
- /**
- * Integer representing a green light.
- */
- public static final int LIGHT_GREEN = 0x02;
- /**
- * Integer representing a red light.
- */
- public static final int LIGHT_RED = 0x03;
- /**
- * Integer representing a yellow light.
- */
- public static final int LIGHT_YELLOW = 0x04;
- private HoneyService mService;
- private boolean serviceBound;
- private SharedPreferences pref;
- private Editor editor;
- private Logger logger;
- // variables for the swipe animation
- private ViewAnimator viewAnimator;
- private GestureDetector gestureDetector;
- private Animation animFlipInLR;
- private Animation animFlipOutLR;
- private Animation animFlipInRL;
- private Animation animFlipOutRL;
- private ListView listView;
- private ListViewAdapter adapter;
-
- private String protocolClicked;
-
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
-
- // Create dynamic view elements
- initViewAnimator();
- initListView();
- // Initialize Class variables
- pref = getSharedPreferences(MainActivity.SESSION_DATA, Context.MODE_PRIVATE);
- logger = new SQLLogger(this);
- editor = pref.edit();
- }
- @Override
- public boolean onCreateOptionsMenu(Menu menu) {
- getMenuInflater().inflate(R.menu.main, menu);
- return true;
- }
-
- @Override
- public boolean onOptionsItemSelected(MenuItem item) {
- // Handle item selection
- switch (item.getItemId()) {
- case R.id.action_settings:
- startActivity(new Intent(this, SettingsActivity.class));
- break;
- case R.id.action_about:
- startActivity(new Intent(this, AboutActivity.class));
- break;
- default:
- }
- return super.onOptionsItemSelected(item);
- }
- @Override
- protected void onStart() {
- super.onStart();
- //Register Broadcast Receiver
- registerReceiver();
- registerNetReceiver();
- // Bind service if running, else check for connection change and delete sessionData
- if (isServiceRunning()) {
- bindService(getServiceIntent(), mConnection, BIND_AUTO_CREATE);
- } else {
- String bssid_old = pref.getString(MainActivity.BSSID, "");
- String bssid_new = HelperUtils.getBSSID(this);
- if(bssid_new == null || !bssid_new.equals(bssid_old)){
- deleteSessionData();
- }
- }
- // Update UI
- updateUI();
- updateConnectionInfo();
- }
- @Override
- protected void onStop() {
- //Unbind running service
- if (isServiceRunning()) {
- unbindService(mConnection);
- }
- // Unregister Broadcast Receiver
- unregisterNetReceiver();
- unregisterReceiver();
- super.onStop();
- }
-
- @Override
- protected void onDestroy(){
- super.onDestroy();
- // If service not running delete session data
- if(!isServiceRunning()){
- deleteSessionData();
- }
- }
- /**
- * Called when User presses on/off button
- * @param view
- */
- public void buttonOnOffClick(View view) {
- if (((ToggleButton) view).isChecked()) {
- if (isParanoid()) {
- protocolClicked = "PANIC";
- } else {
- protocolClicked = "SMB";
- }
- startAndBind();
- } else {
- mService.stopListeners();
- stopAndUnbind();
- }
- }
-
- /**
- * Starts the ViewLog activity, when the Button is pressed
- * @see ViewLog
- * @param view View elements which triggers the method call.
- */
- public void showLog(View view){
- startActivity(new Intent(this, ViewLog.class));
- }
- /**
- * If mobile phone is connected to a wireless network starts the background service ands binds itself to it.
- * Else notifies the user that service could not be started.
- */
- private void startAndBind() {
- if(HelperUtils.getBSSID(this) != null){
- startService(getServiceIntent());
- bindService();
- } else{
- ToggleButton button = (ToggleButton) findViewById(R.id.toggleButtonOnOff);
- button.setChecked(false);
- Toast.makeText(getApplicationContext(), "To start a service, first connect to a wireless network.", Toast.LENGTH_SHORT).show();
- }
- }
-
- /**
- * Binds service to Activity
- * @see HoneyService
- */
- private void bindService(){
- bindService(getServiceIntent(), mConnection, BIND_AUTO_CREATE);
- serviceBound = true;
- }
- /**
- * Stops service and unbinds it.
- * @see HoneyService
- */
- private void stopAndUnbind() {
- unbindService();
- stopService(getServiceIntent());
- }
-
- /**
- * Unbinds service.
- * @see HoneyService
- */
- private void unbindService(){
- unbindService(mConnection);
- serviceBound = false;
- }
-
- /**
- * Connection to bind the background service
- * @see HoneyService
- */
- private ServiceConnection mConnection = new ServiceConnection() {
- /**
- * After the service is bound, check which has been clicked and start it.
- * @see android.content.ServiceConnection#onServiceConnected(android.content.ComponentName)
- */
- @Override
- public void onServiceConnected(ComponentName name, IBinder service) {
- mService = ((LocalBinder) service).getService();
- if(protocolClicked != null && protocolClicked.equals("PANIC")){
- mService.startListeners();
- }else if (protocolClicked != null){
- mService.toggleListener(protocolClicked);
- }
- protocolClicked = null;
- }
-
- /**
- * After the service is unbound, delete reference.
- * @see android.content.ServiceConnection#onServiceDisconnected(android.content.ComponentName)
- */
- @Override
- public void onServiceDisconnected(ComponentName name) {
- mService = null;
- }
- };
-
- /**
- * Returns an intent to start HoneyService.
- * @return An Intent to start HoneyService
- */
- private Intent getServiceIntent() {
- return new Intent(this, HoneyService.class);
- }
- /**
- * Checks if user selected paranoid mode.
- * @return True when paranoid mode is selected, else returns false.
- */
- private boolean isParanoid() {
- return ((CheckBox) findViewById(R.id.checkBoxParanoid)).isChecked();
- }
- /**
- * Initializes the ListView. Creating its contents dynamic from protocol protocols.xml
- * @see /res/values/protocols.xml
- */
- private void initListView() {
- ArrayList<HashMap<String, String>> data = new ArrayList<HashMap<String, String>>();
- for (String protocol : getResources().getStringArray(R.array.protocols)) {
- HashMap<String, String> d = new HashMap<String, String>();
- d.put("light", String.valueOf(R.drawable.light_grey));
- d.put("protocol", protocol);
- d.put("connections", "-");
- data.add(d);
- }
- listView = (ListView) findViewById(R.id.listViewProtocols);
- adapter = new ListViewAdapter(getLayoutInflater(), data);
- listView.setAdapter(adapter);
- listView.setOnTouchListener(new OnTouchListener() {
- @Override
- public boolean onTouch(View v, MotionEvent event) {
- return gestureDetector.onTouchEvent(event);
- }
- });
- listView.setOnItemClickListener(new OnItemClickListener() {
- @Override
- public void onItemClick(AdapterView<?> parent, View view,
- int position, long id) {
- String protocolName = (String) ((HashMap<?, ?>) adapter
- .getItem(position)).get("protocol");
- if (isServiceRunning()) {
- mService.toggleListener(protocolName);
- if(!mService.hasRunningListeners()){
- stopAndUnbind();
- }
- }else{
- protocolClicked = protocolName;
- startAndBind();
- }
- }
- });
- }
- /**
- * Checks if a HoneService instance is running.
- * @return True if HonerService is running, else false.
- * @see HonerService
- */
- private boolean isServiceRunning() {
- ActivityManager manager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
- for (RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) {
- if (service.service.getClassName().equals(HoneyService.class.getName())) {
- return true;
- }
- }
- return false;
- }
-
- /**
- * Deletes all session related Data.
- */
- private void deleteSessionData(){
- editor.clear();
- editor.commit();
- }
- /**
- * Register broadcast receiver for custom broadcast.
- * @see MainActivity#BROADCAST
- */
- private void registerReceiver() {
- LocalBroadcastManager.getInstance(this).registerReceiver(mReceiver,
- new IntentFilter(BROADCAST));
- }
- /**
- * Unregisters broadcast receiver for custom broadcast.
- * @see MainActivity#BROADCAST
- */
- private void unregisterReceiver() {
- LocalBroadcastManager.getInstance(this).unregisterReceiver(mReceiver);
- }
-
- /**
- * Receiver for custom broadcast.
- * @see MainActivity#BROADCAST
- */
- private BroadcastReceiver mReceiver = new BroadcastReceiver() {
- @Override
- public void onReceive(Context context, Intent intent) {
- // Update user interface.
- updateUI();
- }
- };
- /**
- * Register broadcast receiver for network state changes.
- * @see ConnectivityManager#CONNECTIVITY_ACTION
- */
- private void registerNetReceiver() {
- IntentFilter intent = new IntentFilter();
- intent.addAction(ConnectivityManager.CONNECTIVITY_ACTION); //"android.net.conn.CONNECTIVITY_CHANGE"
- registerReceiver(netReceiver, intent);
- }
- /**
- * Unregister broadcast receiver for network state changes.
- */
- private void unregisterNetReceiver() {
- unregisterReceiver(netReceiver);
- }
- /**
- * Receiver for network state change events.
- */
- private BroadcastReceiver netReceiver = new BroadcastReceiver() {
- @Override
- public void onReceive(Context context, Intent intent) {
- String bssid_old = pref.getString(BSSID, "");
- String bssid_new = HelperUtils.getBSSID(context);
- if ((bssid_new == null || !bssid_new.equals(bssid_old)) && serviceBound) {
- Toast.makeText(getApplicationContext(),"Connection changed! Services stopped!", Toast.LENGTH_LONG).show();
- unbindService();
- }
- updateConnectionInfo();
- }
- };
- /**
- * Updates Information shown by the GUI.
- */
- private void updateUI() {
- boolean activeListeners = false;
- boolean activeHandlers = false;
- boolean yellowLight = false;
-
- //Check for all protocols if listeners are active and attacks have been recorded
- //Update protocol lights and connection information.
- for(String protocol : getResources().getStringArray(R.array.protocols)){
- //Check if protocol is active
- if(pref.getBoolean(protocol + LISTENER, false)){
- activeListeners = true;
- int handlerCount = pref.getInt(protocol + HANDLER_COUNT, 0);
- //Check if attacks have been recorded in this session.
- if(handlerCount > 0){
- activeHandlers = true;
- updateProtocolLight(LIGHT_RED, protocol);
- updateProtocolConnections(handlerCount, protocol);
- } else{
- //Check if the bssid of the wireless network has already been recorded as infected.
- if(logger.bssidSeen(protocol, HelperUtils.getBSSID(getApplicationContext()))){
- updateProtocolLight(LIGHT_YELLOW, protocol);
- yellowLight = true;
- } else{
- updateProtocolLight(LIGHT_GREEN, protocol);
- }
- updateProtocolConnections(0, protocol);
- }
- }else{
- updateProtocolLight(LIGHT_GREY, protocol);
- }
- }
- //Update the big attack indicator.
- if (activeListeners) {
- if (activeHandlers) {
- updateStatusLight(LIGHT_RED);
- } else {
- if(yellowLight){
- updateStatusLight(LIGHT_YELLOW);
- } else {
- updateStatusLight(LIGHT_GREEN);
- }
- }
- ((ToggleButton) findViewById(R.id.toggleButtonOnOff))
- .setChecked(true);
- findViewById(R.id.checkBoxParanoid).setEnabled(false);
- } else {
- updateStatusLight(LIGHT_GREY);
- ((ToggleButton) findViewById(R.id.toggleButtonOnOff))
- .setChecked(false);
- findViewById(R.id.checkBoxParanoid).setEnabled(true);
- }
- }
- /**
- * Sets the big light indicator.
- * @param light Integer code to set the light color.
- * @see MainActivity#LIGHT_GREY
- * @see MainActivity#LIGHT_GREEN
- * @see MainActivity#LIGHT_RED
- * @see MainActivity#LIGHT_YELLOW
- */
- private void updateStatusLight(int light) {
- switch (light) {
- case LIGHT_GREY:
- ((ImageView) findViewById(R.id.imageViewLight))
- .setImageResource(R.drawable.light_grey_large);
- break;
- case LIGHT_GREEN:
- ((ImageView) findViewById(R.id.imageViewLight))
- .setImageResource(R.drawable.light_green_large);
- break;
- case LIGHT_RED:
- ((ImageView) findViewById(R.id.imageViewLight))
- .setImageResource(R.drawable.light_red_large);
- break;
- case LIGHT_YELLOW:
- ((ImageView) findViewById(R.id.imageViewLight))
- .setImageResource(R.drawable.light_yellow_large);
- break;
- }
- }
- /**
- * Sets the light indicator for a given protocol.
- * @param light Integer code to set the light color.
- * @param protocolName Name of the protocol which should be updated.
- */
- private void updateProtocolLight(int light, String protocolName) {
- for (int i = 0; i < adapter.getCount(); ++i) {
- HashMap<String, String> d = (HashMap<String, String>) adapter
- .getItem(i);
- if (d.get("protocol").equals(protocolName)) {
- switch (light) {
- case LIGHT_GREY:
- d.put("light", String.valueOf(R.drawable.light_grey));
- d.put("connections", "-");
- break;
- case LIGHT_GREEN:
- d.put("light", String.valueOf(R.drawable.light_green));
- break;
- case LIGHT_RED:
- d.put("light", String.valueOf(R.drawable.light_red));
- break;
- case LIGHT_YELLOW:
- d.put("light", String.valueOf(R.drawable.light_yellow));
- break;
- }
- }
- }
- adapter.notifyDataSetChanged();
- }
- /**
- * Sets the connections count for a given protocol
- * @param connections New value for recorded connections.
- * @param protocolName Name of the protocol which should be updated.
- */
- private void updateProtocolConnections(int connections, String protocolName) {
- for (int i = 0; i < adapter.getCount(); ++i) {
- HashMap<String, String> d = ((HashMap<String, String>) adapter
- .getItem(i));
- if (d.get("protocol").equals(protocolName)) {
- d.put("connections", String.valueOf(connections));
- }
- }
- adapter.notifyDataSetChanged();
- }
- /**
- * Gets Information about connection state and updates the GUI.
- */
- private void updateConnectionInfo() {
- //Get text fields
- TextView ssidView = (TextView) findViewById(R.id.textViewSSIDValue);
- TextView bssidView = (TextView) findViewById(R.id.textViewBSSIDValue);
- TextView internalIPView = (TextView) findViewById(R.id.textViewInternalIPValue);
- TextView externalIPView = (TextView) findViewById(R.id.textViewExternalIPValue);
-
- //Update the connection information
- HelperUtils.updateConnectionInfo(this);
-
- //Get connection information
- String ssid = pref.getString(SSID, "-");
- String bssid = pref.getString(BSSID, "-");
- String internalIP = pref.getString(INTERNAL_IP, "-");
- String externalIP = pref.getString(EXTERNAL_IP, "-");
- //Set text fields
- if (ssid != null)
- ssidView.setText(ssid);
- else
- ssidView.setText("-");
-
- if (bssid != null)
- bssidView.setText(bssid);
- else
- bssidView.setText("-");
-
- if (internalIP != null)
- internalIPView.setText(internalIP);
- else
- internalIPView.setText("-");
-
- if (externalIP != null)
- externalIPView.setText(externalIP);
- else
- externalIPView.setText("-");
- }
- /*############# Help functions for animation ##################*/
-
- @Override
- public boolean onTouchEvent(MotionEvent event) {
- return gestureDetector.onTouchEvent(event);
- }
-
- /**
- * Initializes variables for screen animation
- */
- private void initViewAnimator() {
- viewAnimator = (ViewAnimator) findViewById(R.id.viewAnimator);
- gestureDetector = new GestureDetector(this, simpleOnGestureListener);
- animFlipInLR = AnimationUtils.loadAnimation(this,
- R.anim.in_left_to_right);
- animFlipOutLR = AnimationUtils.loadAnimation(this,
- R.anim.out_left_to_right);
- animFlipInRL = AnimationUtils.loadAnimation(this,
- R.anim.in_right_to_left);
- animFlipOutRL = AnimationUtils.loadAnimation(this,
- R.anim.out_right_to_left);
- }
-
- /**
- * Called when a swipe to the Left is registered.
- */
- private void swipeRightToLeft() {
- if (viewAnimator.getDisplayedChild() == 0) {
- viewAnimator.setInAnimation(animFlipInRL);
- viewAnimator.setOutAnimation(animFlipOutRL);
- viewAnimator.setDisplayedChild(1);
- }
- }
- /**
- * Called when a swipe to the Right is registered.
- */
- private void swipeLeftToRight() {
- if (viewAnimator.getDisplayedChild() == 1) {
- viewAnimator.setInAnimation(animFlipInLR);
- viewAnimator.setOutAnimation(animFlipOutLR);
- viewAnimator.setDisplayedChild(0);
- }
- }
- SimpleOnGestureListener simpleOnGestureListener = new SimpleOnGestureListener() {
- @Override
- public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
- float velocityY) {
- float sensitvity = 50;
- if ((e1.getX() - e2.getX()) > sensitvity) {
- swipeRightToLeft();
- } else if ((e2.getX() - e1.getX()) > sensitvity) {
- swipeLeftToRight();
- }
- return true;
- }
- };
- }
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