/* * Copyright (C) 2008 The Android Open Source Project * * 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 se.leap.openvpn; import java.io.IOException; import java.util.Collection; import java.util.Vector; import se.leap.leapclient.ConfigHelper; import se.leap.leapclient.EIP; import se.leap.leapclient.R; import android.app.Activity; import android.app.AlertDialog; import android.app.ListActivity; import android.content.ActivityNotFoundException; import android.content.DialogInterface; import android.content.DialogInterface.OnClickListener; import android.content.Intent; import android.content.SharedPreferences; import android.net.VpnService; import android.os.Bundle; import android.os.Parcelable; import android.os.ResultReceiver; import android.preference.PreferenceManager; import android.text.InputType; import android.text.method.PasswordTransformationMethod; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.ArrayAdapter; import android.widget.EditText; import android.widget.ListView; import android.widget.TextView; /** * This Activity actually handles two stages of a launcher shortcut's life cycle. * * 1. Your application offers to provide shortcuts to the launcher. When * the user installs a shortcut, an activity within your application * generates the actual shortcut and returns it to the launcher, where it * is shown to the user as an icon. * * 2. Any time the user clicks on an installed shortcut, an intent is sent. * Typically this would then be handled as necessary by an activity within * your application. * * We handle stage 1 (creating a shortcut) by simply sending back the information (in the form * of an {@link android.content.Intent} that the launcher will use to create the shortcut. * * You can also implement this in an interactive way, by having your activity actually present * UI for the user to select the specific nature of the shortcut, such as a contact, picture, URL, * media item, or action. * * We handle stage 2 (responding to a shortcut) in this sample by simply displaying the contents * of the incoming {@link android.content.Intent}. * * In a real application, you would probably use the shortcut intent to display specific content * or start a particular operation. */ public class LaunchVPN extends ListActivity implements OnItemClickListener { public static final String EXTRA_KEY = "se.leap.openvpn.shortcutProfileUUID"; public static final String EXTRA_NAME = "se.leap.openvpn.shortcutProfileName"; public static final String EXTRA_HIDELOG = "se.leap.openvpn.showNoLogWindow";; public static final int START_VPN_PROFILE= 70; // Dashboard, maybe more, want to know! private ResultReceiver mReceiver; private ProfileManager mPM; private VpnProfile mSelectedProfile; private boolean mhideLog=false; private boolean mCmfixed=false; @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); mPM =ProfileManager.getInstance(this); } @Override protected void onStart() { super.onStart(); // Resolve the intent final Intent intent = getIntent(); final String action = intent.getAction(); // If something wants feedback, they sent us a Receiver mReceiver = intent.getParcelableExtra(ConfigHelper.RECEIVER_TAG); // If the intent is a request to create a shortcut, we'll do that and exit if(Intent.ACTION_MAIN.equals(action)) { // we got called to be the starting point, most likely a shortcut String shortcutUUID = intent.getStringExtra( EXTRA_KEY); String shortcutName = intent.getStringExtra( EXTRA_NAME); mhideLog = intent.getBooleanExtra(EXTRA_HIDELOG, false); VpnProfile profileToConnect = ProfileManager.get(shortcutUUID); if(shortcutName != null && profileToConnect ==null) profileToConnect = ProfileManager.getInstance(this).getProfileByName(shortcutName); if(profileToConnect ==null) { OpenVPN.logError(R.string.shortcut_profile_notfound); // show Log window to display error showLogWindow(); finish(); return; } mSelectedProfile = profileToConnect; launchVPN(); } else if (Intent.ACTION_CREATE_SHORTCUT.equals(action)) { createListView(); } } private void createListView() { ListView lv = getListView(); //lv.setTextFilterEnabled(true); Collection vpnlist = mPM.getProfiles(); Vector vpnnames=new Vector(); for (VpnProfile vpnProfile : vpnlist) { vpnnames.add(vpnProfile.mName); } ArrayAdapter adapter = new ArrayAdapter(this,android.R.layout.simple_list_item_1,vpnnames); lv.setAdapter(adapter); lv.setOnItemClickListener(this); } /** * This function creates a shortcut and returns it to the caller. There are actually two * intents that you will send back. * * The first intent serves as a container for the shortcut and is returned to the launcher by * setResult(). This intent must contain three fields: * *
    *
  • {@link android.content.Intent#EXTRA_SHORTCUT_INTENT} The shortcut intent.
    • *
  • {@link android.content.Intent#EXTRA_SHORTCUT_NAME} The text that will be displayed with * the shortcut.
    • *
  • {@link android.content.Intent#EXTRA_SHORTCUT_ICON} The shortcut's icon, if provided as a * bitmap, or {@link android.content.Intent#EXTRA_SHORTCUT_ICON_RESOURCE} if provided as * a drawable resource.
    • *
* * If you use a simple drawable resource, note that you must wrapper it using * {@link android.content.Intent.ShortcutIconResource}, as shown below. This is required so * that the launcher can access resources that are stored in your application's .apk file. If * you return a bitmap, such as a thumbnail, you can simply put the bitmap into the extras * bundle using {@link android.content.Intent#EXTRA_SHORTCUT_ICON}. * * The shortcut intent can be any intent that you wish the launcher to send, when the user * clicks on the shortcut. Typically this will be {@link android.content.Intent#ACTION_VIEW} * with an appropriate Uri for your content, but any Intent will work here as long as it * triggers the desired action within your Activity. * @param profile */ private void setupShortcut(VpnProfile profile) { // First, set up the shortcut intent. For this example, we simply create an intent that // will bring us directly back to this activity. A more typical implementation would use a // data Uri in order to display a more specific result, or a custom action in order to // launch a specific operation. Intent shortcutIntent = new Intent(Intent.ACTION_MAIN); shortcutIntent.setClass(this, LaunchVPN.class); shortcutIntent.putExtra(EXTRA_KEY,profile.getUUID().toString()); // Then, set up the container intent (the response to the caller) Intent intent = new Intent(); intent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent); intent.putExtra(Intent.EXTRA_SHORTCUT_NAME, profile.getName()); Parcelable iconResource = Intent.ShortcutIconResource.fromContext( this, R.drawable.icon); intent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, iconResource); // Now, return the result to the launcher setResult(RESULT_OK, intent); } @Override public void onItemClick(AdapterView parent, View view, int position, long id) { String profilename = ((TextView) view).getText().toString(); VpnProfile profile = mPM.getProfileByName(profilename); // if (Intent.ACTION_CREATE_SHORTCUT.equals(action)) { setupShortcut(profile); finish(); return; // } } private void askForPW(final int type) { final EditText entry = new EditText(this); entry.setSingleLine(); entry.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD); entry.setTransformationMethod(new PasswordTransformationMethod()); AlertDialog.Builder dialog = new AlertDialog.Builder(this); dialog.setTitle("Need " + getString(type)); dialog.setMessage("Enter the password for profile " + mSelectedProfile.mName); dialog.setView(entry); dialog.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { String pw = entry.getText().toString(); if(type == R.string.password) { mSelectedProfile.mTransientPW = pw; } else { mSelectedProfile.mTransientPCKS12PW = pw; } onActivityResult(START_VPN_PROFILE, Activity.RESULT_OK, null); } }); dialog.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { finish(); } }); dialog.create().show(); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if(requestCode==START_VPN_PROFILE) { if(resultCode == Activity.RESULT_OK) { int needpw = mSelectedProfile.needUserPWInput(); if(needpw !=0) { askForPW(needpw); } else { SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this); boolean showlogwindow = prefs.getBoolean("showlogwindow", false); if(!mhideLog && showlogwindow) showLogWindow(); new startOpenVpnThread().start(); } } else if (resultCode == Activity.RESULT_CANCELED) { // User does not want us to start, so we just vanish (well, now we tell our receiver, then vanish) Bundle resultData = new Bundle(); // For now, nothing else is calling, so this "request" string is good enough resultData.putString(ConfigHelper.REQUEST_TAG, EIP.ACTION_START_EIP); mReceiver.send(RESULT_CANCELED, resultData); finish(); } } } void showLogWindow() { Intent startLW = new Intent(getBaseContext(),LogWindow.class); startLW.addFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT); startActivity(startLW); } void showConfigErrorDialog(int vpnok) { AlertDialog.Builder d = new AlertDialog.Builder(this); d.setTitle(R.string.config_error_found); d.setMessage(vpnok); d.setPositiveButton(android.R.string.ok, new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { finish(); } }); d.show(); } void launchVPN () { int vpnok = mSelectedProfile.checkProfile(this); if(vpnok!= R.string.no_error_found) { showConfigErrorDialog(vpnok); return; } Intent intent = VpnService.prepare(this); // Check if we want to fix /dev/tun SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this); boolean usecm9fix = prefs.getBoolean("useCM9Fix", false); boolean loadTunModule = prefs.getBoolean("loadTunModule", false); if(loadTunModule) execeuteSUcmd("insmod /system/lib/modules/tun.ko"); if(usecm9fix && !mCmfixed ) { execeuteSUcmd("chown system /dev/tun"); } if (intent != null) { // Start the query try { startActivityForResult(intent, START_VPN_PROFILE); } catch (ActivityNotFoundException ane) { // Shame on you Sony! At least one user reported that // an official Sony Xperia Arc S image triggers this exception OpenVPN.logError(R.string.no_vpn_support_image); showLogWindow(); } } else { onActivityResult(START_VPN_PROFILE, Activity.RESULT_OK, null); } } private void execeuteSUcmd(String command) { ProcessBuilder pb = new ProcessBuilder(new String[] {"su","-c",command}); try { Process p = pb.start(); int ret = p.waitFor(); if(ret ==0) mCmfixed=true; } catch (InterruptedException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } private class startOpenVpnThread extends Thread { @Override public void run() { VPNLaunchHelper.startOpenVpn(mSelectedProfile, getBaseContext()); // Tell whom-it-may-concern that we started VPN Bundle resultData = new Bundle(); // For now, nothing else is calling, so this "request" string is good enough resultData.putString(ConfigHelper.REQUEST_TAG, EIP.ACTION_START_EIP); mReceiver.send(RESULT_OK, resultData); finish(); } } }