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Diffstat (limited to 'src/se/leap/openvpn/LaunchVPN.java')
-rw-r--r-- | src/se/leap/openvpn/LaunchVPN.java | 367 |
1 files changed, 367 insertions, 0 deletions
diff --git a/src/se/leap/openvpn/LaunchVPN.java b/src/se/leap/openvpn/LaunchVPN.java new file mode 100644 index 00000000..3df2aacb --- /dev/null +++ b/src/se/leap/openvpn/LaunchVPN.java @@ -0,0 +1,367 @@ +/* + * 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.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.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";; + + private static final int START_VPN_PROFILE= 70; + + + 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 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<VpnProfile> vpnlist = mPM.getProfiles(); + + Vector<String> vpnnames=new Vector<String>(); + for (VpnProfile vpnProfile : vpnlist) { + vpnnames.add(vpnProfile.mName); + } + + + + ArrayAdapter<String> adapter = new ArrayAdapter<String>(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: + * + * <ul> + * <li>{@link android.content.Intent#EXTRA_SHORTCUT_INTENT} The shortcut intent.</li> + * <li>{@link android.content.Intent#EXTRA_SHORTCUT_NAME} The text that will be displayed with + * the shortcut.</li> + * <li>{@link android.content.Intent#EXTRA_SHORTCUT_ICON} The shortcut's icon, if provided as a + * bitmap, <i>or</i> {@link android.content.Intent#EXTRA_SHORTCUT_ICON_RESOURCE} if provided as + * a drawable resource.</li> + * </ul> + * + * 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", true); + + if(!mhideLog && showlogwindow) + showLogWindow(); + new startOpenVpnThread().start(); + } + } else if (resultCode == Activity.RESULT_CANCELED) { + // User does not want us to start, so we just vanish + 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()); + finish(); + + } + + } + + +} |