From c206a91d320995f37f8abb33188bfd384249da3d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Parm=C3=A9nides=20GV?= Date: Mon, 7 Apr 2014 20:43:34 +0200 Subject: Next step: compile jni sources correctly. --- .../java/se/leap/bitmaskclient/AboutActivity.java | 40 + .../java/se/leap/bitmaskclient/ConfigHelper.java | 194 +++++ .../se/leap/bitmaskclient/ConfigurationWizard.java | 581 ++++++++++++++ .../main/java/se/leap/bitmaskclient/Dashboard.java | 479 +++++++++++ .../leap/bitmaskclient/DownloadFailedDialog.java | 94 +++ app/src/main/java/se/leap/bitmaskclient/EIP.java | 623 +++++++++++++++ .../se/leap/bitmaskclient/EipServiceFragment.java | 306 +++++++ .../java/se/leap/bitmaskclient/LeapHttpClient.java | 77 ++ .../java/se/leap/bitmaskclient/LeapSRPSession.java | 341 ++++++++ .../java/se/leap/bitmaskclient/LogInDialog.java | 151 ++++ .../se/leap/bitmaskclient/NewProviderDialog.java | 123 +++ .../main/java/se/leap/bitmaskclient/PRNGFixes.java | 338 ++++++++ .../main/java/se/leap/bitmaskclient/Provider.java | 212 +++++ .../java/se/leap/bitmaskclient/ProviderAPI.java | 875 +++++++++++++++++++++ .../bitmaskclient/ProviderAPIResultReceiver.java | 56 ++ .../leap/bitmaskclient/ProviderDetailFragment.java | 115 +++ .../se/leap/bitmaskclient/ProviderListAdapter.java | 114 +++ .../se/leap/bitmaskclient/ProviderListContent.java | 112 +++ .../leap/bitmaskclient/ProviderListFragment.java | 234 ++++++ app/src/main/java/se/leap/openvpn/CIDRIP.java | 58 ++ .../main/java/se/leap/openvpn/ConfigParser.java | 569 ++++++++++++++ app/src/main/java/se/leap/openvpn/LICENSE.txt | 24 + app/src/main/java/se/leap/openvpn/LaunchVPN.java | 385 +++++++++ app/src/main/java/se/leap/openvpn/LogWindow.java | 340 ++++++++ .../java/se/leap/openvpn/NetworkSateReceiver.java | 86 ++ app/src/main/java/se/leap/openvpn/OpenVPN.java | 250 ++++++ .../main/java/se/leap/openvpn/OpenVPNThread.java | 130 +++ .../se/leap/openvpn/OpenVpnManagementThread.java | 592 ++++++++++++++ .../main/java/se/leap/openvpn/OpenVpnService.java | 504 ++++++++++++ .../main/java/se/leap/openvpn/ProfileManager.java | 220 ++++++ .../main/java/se/leap/openvpn/ProxyDetection.java | 54 ++ .../main/java/se/leap/openvpn/VPNLaunchHelper.java | 76 ++ app/src/main/java/se/leap/openvpn/VpnProfile.java | 758 ++++++++++++++++++ 33 files changed, 9111 insertions(+) create mode 100644 app/src/main/java/se/leap/bitmaskclient/AboutActivity.java create mode 100644 app/src/main/java/se/leap/bitmaskclient/ConfigHelper.java create mode 100644 app/src/main/java/se/leap/bitmaskclient/ConfigurationWizard.java create mode 100644 app/src/main/java/se/leap/bitmaskclient/Dashboard.java create mode 100644 app/src/main/java/se/leap/bitmaskclient/DownloadFailedDialog.java create mode 100644 app/src/main/java/se/leap/bitmaskclient/EIP.java create mode 100644 app/src/main/java/se/leap/bitmaskclient/EipServiceFragment.java create mode 100644 app/src/main/java/se/leap/bitmaskclient/LeapHttpClient.java create mode 100644 app/src/main/java/se/leap/bitmaskclient/LeapSRPSession.java create mode 100644 app/src/main/java/se/leap/bitmaskclient/LogInDialog.java create mode 100644 app/src/main/java/se/leap/bitmaskclient/NewProviderDialog.java create mode 100644 app/src/main/java/se/leap/bitmaskclient/PRNGFixes.java create mode 100644 app/src/main/java/se/leap/bitmaskclient/Provider.java create mode 100644 app/src/main/java/se/leap/bitmaskclient/ProviderAPI.java create mode 100644 app/src/main/java/se/leap/bitmaskclient/ProviderAPIResultReceiver.java create mode 100644 app/src/main/java/se/leap/bitmaskclient/ProviderDetailFragment.java create mode 100644 app/src/main/java/se/leap/bitmaskclient/ProviderListAdapter.java create mode 100644 app/src/main/java/se/leap/bitmaskclient/ProviderListContent.java create mode 100644 app/src/main/java/se/leap/bitmaskclient/ProviderListFragment.java create mode 100644 app/src/main/java/se/leap/openvpn/CIDRIP.java create mode 100644 app/src/main/java/se/leap/openvpn/ConfigParser.java create mode 100644 app/src/main/java/se/leap/openvpn/LICENSE.txt create mode 100644 app/src/main/java/se/leap/openvpn/LaunchVPN.java create mode 100644 app/src/main/java/se/leap/openvpn/LogWindow.java create mode 100644 app/src/main/java/se/leap/openvpn/NetworkSateReceiver.java create mode 100644 app/src/main/java/se/leap/openvpn/OpenVPN.java create mode 100644 app/src/main/java/se/leap/openvpn/OpenVPNThread.java create mode 100644 app/src/main/java/se/leap/openvpn/OpenVpnManagementThread.java create mode 100644 app/src/main/java/se/leap/openvpn/OpenVpnService.java create mode 100644 app/src/main/java/se/leap/openvpn/ProfileManager.java create mode 100644 app/src/main/java/se/leap/openvpn/ProxyDetection.java create mode 100644 app/src/main/java/se/leap/openvpn/VPNLaunchHelper.java create mode 100644 app/src/main/java/se/leap/openvpn/VpnProfile.java (limited to 'app/src/main/java/se') diff --git a/app/src/main/java/se/leap/bitmaskclient/AboutActivity.java b/app/src/main/java/se/leap/bitmaskclient/AboutActivity.java new file mode 100644 index 00000000..6d025422 --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/AboutActivity.java @@ -0,0 +1,40 @@ +package se.leap.bitmaskclient; + +import android.app.Activity; +import android.app.Fragment; +import android.content.pm.PackageInfo; +import android.content.pm.PackageManager.NameNotFoundException; +import android.os.Bundle; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.TextView; +import se.leap.bitmaskclient.R; + +public class AboutActivity extends Activity { + + final public static String TAG = "aboutFragment"; + final public static int VIEWED = 0; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + setContentView(R.layout.about); + TextView ver = (TextView) findViewById(R.id.version); + + String version; + String name="Openvpn"; + try { + PackageInfo packageinfo = getPackageManager().getPackageInfo(getPackageName(), 0); + version = packageinfo.versionName; + name = getString(R.string.app); + } catch (NameNotFoundException e) { + version = "error fetching version"; + } + + + ver.setText(getString(R.string.version_info,name,version)); + setResult(VIEWED); + } + +} diff --git a/app/src/main/java/se/leap/bitmaskclient/ConfigHelper.java b/app/src/main/java/se/leap/bitmaskclient/ConfigHelper.java new file mode 100644 index 00000000..a8bd3b7a --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/ConfigHelper.java @@ -0,0 +1,194 @@ +/** + * Copyright (c) 2013 LEAP Encryption Access Project and contributers + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ +package se.leap.bitmaskclient; + +import java.io.ByteArrayInputStream; +import java.io.IOException; +import java.math.BigInteger; +import java.io.InputStream; +import java.security.KeyFactory; +import java.security.KeyStore; +import java.security.KeyStoreException; +import java.security.NoSuchAlgorithmException; +import java.security.NoSuchProviderException; +import java.security.cert.CertificateException; +import java.security.cert.CertificateFactory; +import java.security.cert.X509Certificate; +import java.security.interfaces.RSAPrivateKey; +import java.security.spec.InvalidKeySpecException; +import java.security.spec.PKCS8EncodedKeySpec; + +import org.json.JSONException; +import org.json.JSONObject; + +import android.content.Context; +import android.content.SharedPreferences; +import android.util.Base64; + +/** + * Stores constants, and implements auxiliary methods used across all LEAP Android classes. + * + * @author parmegv + * @author MeanderingCode + * + */ +public class ConfigHelper { + private static KeyStore keystore_trusted; + + final public static String NG_1024 = + "eeaf0ab9adb38dd69c33f80afa8fc5e86072618775ff3c0b9ea2314c9c256576d674df7496ea81d3383b4813d692c6e0e0d5d8e250b98be48e495c1d6089dad15dc7d7b46154d6b6ce8ef4ad69b15d4982559b297bcf1885c529f566660e57ec68edbc3c05726cc02fd4cbf4976eaa9afd5138fe8376435b9fc61d2fc0eb06e3"; + final public static BigInteger G = new BigInteger("2"); + + public static boolean checkErroneousDownload(String downloaded_string) { + try { + if(new JSONObject(downloaded_string).has(ProviderAPI.ERRORS) || downloaded_string.isEmpty()) { + return true; + } else { + return false; + } + } catch(JSONException e) { + return false; + } + } + + /** + * Treat the input as the MSB representation of a number, + * and lop off leading zero elements. For efficiency, the + * input is simply returned if no leading zeroes are found. + * + * @param in array to be trimmed + */ + public static byte[] trim(byte[] in) { + if(in.length == 0 || in[0] != 0) + return in; + + int len = in.length; + int i = 1; + while(in[i] == 0 && i < len) + ++i; + byte[] ret = new byte[len - i]; + System.arraycopy(in, i, ret, 0, len - i); + return ret; + } + + public static X509Certificate parseX509CertificateFromString(String certificate_string) { + java.security.cert.Certificate certificate = null; + CertificateFactory cf; + try { + cf = CertificateFactory.getInstance("X.509"); + + certificate_string = certificate_string.replaceFirst("-----BEGIN CERTIFICATE-----", "").replaceFirst("-----END CERTIFICATE-----", "").trim(); + byte[] cert_bytes = Base64.decode(certificate_string, Base64.DEFAULT); + InputStream caInput = new ByteArrayInputStream(cert_bytes); + try { + certificate = cf.generateCertificate(caInput); + System.out.println("ca=" + ((X509Certificate) certificate).getSubjectDN()); + } finally { + caInput.close(); + } + } catch (CertificateException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (IOException e) { + return null; + } + + return (X509Certificate) certificate; + } + + protected static RSAPrivateKey parseRsaKeyFromString(String RsaKeyString) { + RSAPrivateKey key = null; + try { + KeyFactory kf = KeyFactory.getInstance("RSA", "BC"); + + RsaKeyString = RsaKeyString.replaceFirst("-----BEGIN RSA PRIVATE KEY-----", "").replaceFirst("-----END RSA PRIVATE KEY-----", ""); + PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec( Base64.decode(RsaKeyString, Base64.DEFAULT) ); + key = (RSAPrivateKey) kf.generatePrivate(keySpec); + } catch (InvalidKeySpecException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + return null; + } catch (NoSuchAlgorithmException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + return null; + } catch (NoSuchProviderException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + return null; + } + + return key; + } + + /** + * Adds a new X509 certificate given its input stream and its provider name + * @param provider used to store the certificate in the keystore + * @param inputStream from which X509 certificate must be generated. + */ + public static void addTrustedCertificate(String provider, InputStream inputStream) { + CertificateFactory cf; + try { + cf = CertificateFactory.getInstance("X.509"); + X509Certificate cert = + (X509Certificate)cf.generateCertificate(inputStream); + keystore_trusted.setCertificateEntry(provider, cert); + } catch (CertificateException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (KeyStoreException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + + /** + * Adds a new X509 certificate given in its string from and using its provider name + * @param provider used to store the certificate in the keystore + * @param certificate + */ + public static void addTrustedCertificate(String provider, String certificate) { + + try { + X509Certificate cert = ConfigHelper.parseX509CertificateFromString(certificate); + if(keystore_trusted == null) { + keystore_trusted = KeyStore.getInstance("BKS"); + keystore_trusted.load(null); + } + keystore_trusted.setCertificateEntry(provider, cert); + } catch (KeyStoreException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (NoSuchAlgorithmException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (CertificateException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (IOException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + + /** + * @return class wide keystore + */ + public static KeyStore getKeystore() { + return keystore_trusted; + } +} diff --git a/app/src/main/java/se/leap/bitmaskclient/ConfigurationWizard.java b/app/src/main/java/se/leap/bitmaskclient/ConfigurationWizard.java new file mode 100644 index 00000000..f0aac40b --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/ConfigurationWizard.java @@ -0,0 +1,581 @@ +/** + * Copyright (c) 2013 LEAP Encryption Access Project and contributers + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + package se.leap.bitmaskclient; + + + + + + +import android.app.Activity; +import android.app.DialogFragment; +import android.app.Fragment; +import android.app.FragmentManager; +import android.app.FragmentTransaction; +import android.content.BroadcastReceiver; +import android.content.Context; +import android.content.Intent; +import android.content.IntentFilter; +import android.content.SharedPreferences; +import android.content.res.AssetManager; +import android.os.Bundle; +import android.os.Handler; +import android.util.Log; +import android.view.Display; +import android.view.Menu; +import android.view.MenuItem; +import android.view.View.MeasureSpec; +import android.view.View; +import android.view.ViewGroup; +import android.view.WindowManager; +import android.widget.ListAdapter; +import android.widget.ListView; +import android.widget.ProgressBar; +import android.widget.ProgressBar; +import android.widget.RelativeLayout; +import android.widget.TextView; +import java.io.IOException; +import java.net.MalformedURLException; +import java.net.URL; +import java.util.Iterator; +import org.json.JSONException; +import org.json.JSONObject; +import se.leap.bitmaskclient.DownloadFailedDialog.DownloadFailedDialogInterface; +import se.leap.bitmaskclient.NewProviderDialog.NewProviderDialogInterface; +import se.leap.bitmaskclient.ProviderAPIResultReceiver.Receiver; +import se.leap.bitmaskclient.ProviderDetailFragment.ProviderDetailFragmentInterface; +import se.leap.bitmaskclient.ProviderListContent.ProviderItem; +import se.leap.bitmaskclient.R; + +/** + * Activity that builds and shows the list of known available providers. + * + * It also allows the user to enter custom providers with a button. + * + * @author parmegv + * + */ +public class ConfigurationWizard extends Activity +implements ProviderListFragment.Callbacks, NewProviderDialogInterface, ProviderDetailFragmentInterface, DownloadFailedDialogInterface, Receiver { + + private ProgressBar mProgressBar; + private TextView progressbar_description; + private ProviderListFragment provider_list_fragment; + private Intent mConfigState = new Intent(); + + final public static String TAG = "se.leap.bitmaskclient.ConfigurationWizard"; + final public static String TYPE_OF_CERTIFICATE = "type_of_certificate"; + final public static String ANON_CERTIFICATE = "anon_certificate"; + final public static String AUTHED_CERTIFICATE = "authed_certificate"; + + final protected static String PROVIDER_SET = "PROVIDER SET"; + final protected static String SERVICES_RETRIEVED = "SERVICES RETRIEVED"; + + public ProviderAPIResultReceiver providerAPI_result_receiver; + private ProviderAPIBroadcastReceiver_Update providerAPI_broadcast_receiver_update; + + private static SharedPreferences preferences; + private static boolean setting_up_provider = false; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + preferences = getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE); + + setContentView(R.layout.configuration_wizard_activity); + mProgressBar = (ProgressBar) findViewById(R.id.progressbar_configuration_wizard); + mProgressBar.setVisibility(ProgressBar.INVISIBLE); + progressbar_description = (TextView) findViewById(R.id.progressbar_description); + progressbar_description.setVisibility(TextView.INVISIBLE); + providerAPI_result_receiver = new ProviderAPIResultReceiver(new Handler()); + providerAPI_result_receiver.setReceiver(this); + providerAPI_broadcast_receiver_update = new ProviderAPIBroadcastReceiver_Update(); + IntentFilter update_intent_filter = new IntentFilter(ProviderAPI.UPDATE_PROGRESSBAR); + update_intent_filter.addCategory(Intent.CATEGORY_DEFAULT); + registerReceiver(providerAPI_broadcast_receiver_update, update_intent_filter); + + loadPreseededProviders(); + + // Only create our fragments if we're not restoring a saved instance + if ( savedInstanceState == null ){ + // TODO Some welcome screen? + // We will need better flow control when we have more Fragments (e.g. user auth) + provider_list_fragment = ProviderListFragment.newInstance(); + Bundle arguments = new Bundle(); + int configuration_wizard_request_code = getIntent().getIntExtra(Dashboard.REQUEST_CODE, -1); + if(configuration_wizard_request_code == Dashboard.SWITCH_PROVIDER) { + arguments.putBoolean(ProviderListFragment.SHOW_ALL_PROVIDERS, true); + } + provider_list_fragment.setArguments(arguments); + + FragmentManager fragmentManager = getFragmentManager(); + fragmentManager.beginTransaction() + .replace(R.id.configuration_wizard_layout, provider_list_fragment, ProviderListFragment.TAG) + .commit(); + } + + // TODO: If exposing deep links into your app, handle intents here. + } + + @Override + protected void onDestroy() { + super.onDestroy(); + unregisterReceiver(providerAPI_broadcast_receiver_update); + } + + public void refreshProviderList(int top_padding) { + ProviderListFragment new_provider_list_fragment = new ProviderListFragment(); + Bundle top_padding_bundle = new Bundle(); + top_padding_bundle.putInt(ProviderListFragment.TOP_PADDING, top_padding); + new_provider_list_fragment.setArguments(top_padding_bundle); + + FragmentManager fragmentManager = getFragmentManager(); + fragmentManager.beginTransaction() + .replace(R.id.configuration_wizard_layout, new_provider_list_fragment, ProviderListFragment.TAG) + .commit(); + } + + @Override + public void onReceiveResult(int resultCode, Bundle resultData) { + if(resultCode == ProviderAPI.PROVIDER_OK) { + mConfigState.setAction(PROVIDER_SET); + + if (preferences.getBoolean(EIP.ALLOWED_ANON, false)){ + mConfigState.putExtra(SERVICES_RETRIEVED, true); + downloadAnonCert(); + } else { + mProgressBar.incrementProgressBy(1); + mProgressBar.setVisibility(ProgressBar.GONE); + progressbar_description.setVisibility(TextView.GONE); + setResult(RESULT_OK); + showProviderDetails(getCurrentFocus()); + } + } else if(resultCode == ProviderAPI.PROVIDER_NOK) { + //refreshProviderList(0); + String reason_to_fail = resultData.getString(ProviderAPI.ERRORS); + showDownloadFailedDialog(getCurrentFocus(), reason_to_fail); + mProgressBar.setVisibility(ProgressBar.GONE); + progressbar_description.setVisibility(TextView.GONE); + preferences.edit().remove(Provider.KEY).commit(); + setting_up_provider = false; + setResult(RESULT_CANCELED, mConfigState); + } + else if(resultCode == ProviderAPI.CORRECTLY_DOWNLOADED_CERTIFICATE) { + mProgressBar.incrementProgressBy(1); + mProgressBar.setVisibility(ProgressBar.GONE); + progressbar_description.setVisibility(TextView.GONE); + //refreshProviderList(0); + setResult(RESULT_OK); + showProviderDetails(getCurrentFocus()); + } else if(resultCode == ProviderAPI.INCORRECTLY_DOWNLOADED_CERTIFICATE) { + //refreshProviderList(0); + mProgressBar.setVisibility(ProgressBar.GONE); + progressbar_description.setVisibility(TextView.GONE); + //Toast.makeText(getApplicationContext(), R.string.incorrectly_downloaded_certificate_message, Toast.LENGTH_LONG).show(); + setResult(RESULT_CANCELED, mConfigState); + } else if(resultCode == AboutActivity.VIEWED) { + // Do nothing, right now + // I need this for CW to wait for the About activity to end before going back to Dashboard. + } + } + + /** + * Callback method from {@link ProviderListFragment.Callbacks} + * indicating that the item with the given ID was selected. + */ + @Override + public void onItemSelected(String id) { + //TODO Code 2 pane view + // resetOldConnection(); + ProviderItem selected_provider = getProvider(id); + int provider_index = getProviderIndex(id); + + + startProgressBar(provider_index+1); + provider_list_fragment.hideAllBut(provider_index); + + boolean danger_on = true; + if(preferences.contains(ProviderItem.DANGER_ON)) + danger_on = preferences.getBoolean(ProviderItem.DANGER_ON, false); + setUpProvider(selected_provider.providerMainUrl(), danger_on); + } + + @Override + public void onBackPressed() { + if(setting_up_provider) { + stopSettingUpProvider(); + } else { + usualBackButton(); + } + } + + private void stopSettingUpProvider() { + ProviderAPI.stop(); + mProgressBar.setVisibility(ProgressBar.GONE); + mProgressBar.setProgress(0); + progressbar_description.setVisibility(TextView.GONE); + getSharedPreferences(Dashboard.SHARED_PREFERENCES, Activity.MODE_PRIVATE).edit().remove(Provider.KEY).commit(); + setting_up_provider = false; + showAllProviders(); + } + + private void usualBackButton() { + try { + boolean is_provider_set_up = new JSONObject(preferences.getString(Provider.KEY, "no provider")) != null ? true : false; + boolean is_provider_set_up_truly = new JSONObject(preferences.getString(Provider.KEY, "no provider")).length() != 0 ? true : false; + if(!is_provider_set_up || !is_provider_set_up_truly) { + askDashboardToQuitApp(); + } else { + setResult(RESULT_OK); + } + } catch (JSONException e) { + askDashboardToQuitApp(); + super.onBackPressed(); + e.printStackTrace(); + } + super.onBackPressed(); + } + private void askDashboardToQuitApp() { + Intent ask_quit = new Intent(); + ask_quit.putExtra(Dashboard.ACTION_QUIT, Dashboard.ACTION_QUIT); + setResult(RESULT_CANCELED, ask_quit); + } + + private ProviderItem getProvider(String name) { + Iterator providers_iterator = ProviderListContent.ITEMS.iterator(); + while(providers_iterator.hasNext()) { + ProviderItem provider = providers_iterator.next(); + if(provider.name().equalsIgnoreCase(name)) { + return provider; + } + } + return null; + } + + private String getId(String provider_main_url_string) { + try { + URL provider_url = new URL(provider_main_url_string); + URL aux_provider_url; + Iterator providers_iterator = ProviderListContent.ITEMS.iterator(); + while(providers_iterator.hasNext()) { + ProviderItem provider = providers_iterator.next(); + aux_provider_url = new URL(provider.providerMainUrl()); + if(isSameURL(provider_url, aux_provider_url)) { + return provider.name(); + } + } + } catch (MalformedURLException e) { + e.printStackTrace(); + } + return ""; + } + + /** + * Checks, whether 2 urls are pointing to the same location. + * + * @param url a url + * @param baseUrl an other url, that should be compared. + * @return true, if the urls point to the same host and port and use the + * same protocol, false otherwise. + */ + private boolean isSameURL(final URL url, final URL baseUrl) { + if (!url.getProtocol().equals(baseUrl.getProtocol())) { + return false; + } + if (!url.getHost().equals(baseUrl.getHost())) { + return false; + } + if (url.getPort() != baseUrl.getPort()) { + return false; + } + return true; + } + + private void startProgressBar() { + mProgressBar.setVisibility(ProgressBar.VISIBLE); + mProgressBar.setProgress(0); + mProgressBar.setMax(3); + } + + private void startProgressBar(int list_item_index) { + mProgressBar.setVisibility(ProgressBar.VISIBLE); + progressbar_description.setVisibility(TextView.VISIBLE); + mProgressBar.setProgress(0); + mProgressBar.setMax(3); + int measured_height = listItemHeight(list_item_index); + mProgressBar.setTranslationY(measured_height); + progressbar_description.setTranslationY(measured_height + mProgressBar.getHeight()); + } + + private int getProviderIndex(String id) { + int index = 0; + Iterator providers_iterator = ProviderListContent.ITEMS.iterator(); + while(providers_iterator.hasNext()) { + ProviderItem provider = providers_iterator.next(); + if(provider.name().equalsIgnoreCase(id)) { + break; + } else index++; + } + return index; + } + + private int listItemHeight(int list_item_index) { + ListView provider_list_view = (ListView)findViewById(android.R.id.list); + ListAdapter provider_list_adapter = provider_list_view.getAdapter(); + View listItem = provider_list_adapter.getView(0, null, provider_list_view); + listItem.setLayoutParams(new RelativeLayout.LayoutParams( + RelativeLayout.LayoutParams.WRAP_CONTENT, + RelativeLayout.LayoutParams.WRAP_CONTENT)); + WindowManager wm = (WindowManager) getApplicationContext() + .getSystemService(Context.WINDOW_SERVICE); + Display display = wm.getDefaultDisplay(); + int screenWidth = display.getWidth(); // deprecated + + int listViewWidth = screenWidth - 10 - 10; + int widthSpec = MeasureSpec.makeMeasureSpec(listViewWidth, + MeasureSpec.AT_MOST); + listItem.measure(widthSpec, 0); + + return listItem.getMeasuredHeight(); +} + + /** + * Loads providers data from url file contained in the project + * @return true if the file was read correctly + */ + private boolean loadPreseededProviders() { + boolean loaded_preseeded_providers = false; + AssetManager asset_manager = getAssets(); + String[] urls_filepaths = null; + try { + String url_files_folder = "urls"; + //TODO Put that folder in a better place (also inside the "for") + urls_filepaths = asset_manager.list(url_files_folder); + String provider_name = ""; + for(String url_filepath : urls_filepaths) + { + boolean custom = false; + provider_name = url_filepath.subSequence(0, url_filepath.indexOf(".")).toString(); + if(ProviderListContent.ITEMS.isEmpty()) //TODO I have to implement a way of checking if a provider new or is already present in that ITEMS list + ProviderListContent.addItem(new ProviderItem(provider_name, asset_manager.open(url_files_folder + "/" + url_filepath))); + loaded_preseeded_providers = true; + } + } catch (IOException e) { + loaded_preseeded_providers = false; + } + + return loaded_preseeded_providers; + } + + /** + * Asks ProviderAPI to download an anonymous (anon) VPN certificate. + */ + private void downloadAnonCert() { + Intent provider_API_command = new Intent(this, ProviderAPI.class); + + Bundle parameters = new Bundle(); + + parameters.putString(TYPE_OF_CERTIFICATE, ANON_CERTIFICATE); + + provider_API_command.setAction(ProviderAPI.DOWNLOAD_CERTIFICATE); + provider_API_command.putExtra(ProviderAPI.PARAMETERS, parameters); + provider_API_command.putExtra(ProviderAPI.RECEIVER_KEY, providerAPI_result_receiver); + + startService(provider_API_command); + } + + /** + * Open the new provider dialog + */ + public void addAndSelectNewProvider() { + FragmentTransaction fragment_transaction = getFragmentManager().beginTransaction(); + Fragment previous_new_provider_dialog = getFragmentManager().findFragmentByTag(NewProviderDialog.TAG); + if (previous_new_provider_dialog != null) { + fragment_transaction.remove(previous_new_provider_dialog); + } + fragment_transaction.addToBackStack(null); + + DialogFragment newFragment = NewProviderDialog.newInstance(); + newFragment.show(fragment_transaction, NewProviderDialog.TAG); + } + + /** + * Open the new provider dialog with data + */ + public void addAndSelectNewProvider(String main_url, boolean danger_on) { + FragmentTransaction fragment_transaction = getFragmentManager().beginTransaction(); + Fragment previous_new_provider_dialog = getFragmentManager().findFragmentByTag(NewProviderDialog.TAG); + if (previous_new_provider_dialog != null) { + fragment_transaction.remove(previous_new_provider_dialog); + } + + DialogFragment newFragment = NewProviderDialog.newInstance(); + Bundle data = new Bundle(); + data.putString(Provider.MAIN_URL, main_url); + data.putBoolean(ProviderItem.DANGER_ON, danger_on); + newFragment.setArguments(data); + newFragment.show(fragment_transaction, NewProviderDialog.TAG); + } + + /** + * Once selected a provider, this fragment offers the user to log in, + * use it anonymously (if possible) + * or cancel his/her election pressing the back button. + * @param view + * @param reason_to_fail + */ + public void showDownloadFailedDialog(View view, String reason_to_fail) { + FragmentTransaction fragment_transaction = getFragmentManager().beginTransaction(); + Fragment previous_provider_details_dialog = getFragmentManager().findFragmentByTag(DownloadFailedDialog.TAG); + if (previous_provider_details_dialog != null) { + fragment_transaction.remove(previous_provider_details_dialog); + } + fragment_transaction.addToBackStack(null); + + DialogFragment newFragment = DownloadFailedDialog.newInstance(reason_to_fail); + newFragment.show(fragment_transaction, DownloadFailedDialog.TAG); + } + + /** + * Once selected a provider, this fragment offers the user to log in, + * use it anonymously (if possible) + * or cancel his/her election pressing the back button. + * @param view + */ + public void showProviderDetails(View view) { + if(setting_up_provider) { + FragmentTransaction fragment_transaction = getFragmentManager().beginTransaction(); + Fragment previous_provider_details_dialog = getFragmentManager().findFragmentByTag(ProviderDetailFragment.TAG); + if (previous_provider_details_dialog != null) { + fragment_transaction.remove(previous_provider_details_dialog); + } + fragment_transaction.addToBackStack(null); + + DialogFragment newFragment = ProviderDetailFragment.newInstance(); + newFragment.show(fragment_transaction, ProviderDetailFragment.TAG); + } + } + + public void showAndSelectProvider(String provider_main_url, boolean danger_on) { + if(getId(provider_main_url).isEmpty()) + showProvider(provider_main_url, danger_on); + autoSelectProvider(provider_main_url, danger_on); + } + + private void showProvider(final String provider_main_url, final boolean danger_on) { + String provider_name = provider_main_url.replaceFirst("http[s]?://", "").replaceFirst("\\/", "_"); + ProviderItem added_provider = new ProviderItem(provider_name, provider_main_url); + provider_list_fragment.addItem(added_provider); + } + + private void autoSelectProvider(String provider_main_url, boolean danger_on) { + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putBoolean(ProviderItem.DANGER_ON, danger_on).commit(); + onItemSelected(getId(provider_main_url)); + } + + /** + * Asks ProviderAPI to download a new provider.json file + * @param provider_name + * @param provider_main_url + * @param danger_on tells if HTTPS client should bypass certificate errors + */ + public void setUpProvider(String provider_main_url, boolean danger_on) { + Intent provider_API_command = new Intent(this, ProviderAPI.class); + Bundle parameters = new Bundle(); + parameters.putString(Provider.MAIN_URL, provider_main_url); + parameters.putBoolean(ProviderItem.DANGER_ON, danger_on); + + provider_API_command.setAction(ProviderAPI.SET_UP_PROVIDER); + provider_API_command.putExtra(ProviderAPI.PARAMETERS, parameters); + provider_API_command.putExtra(ProviderAPI.RECEIVER_KEY, providerAPI_result_receiver); + + startService(provider_API_command); + setting_up_provider = true; + } + + public void retrySetUpProvider() { + cancelSettingUpProvider(); + if(!ProviderAPI.caCertDownloaded()) { + addAndSelectNewProvider(ProviderAPI.lastProviderMainUrl(), ProviderAPI.lastDangerOn()); + } else { + Intent provider_API_command = new Intent(this, ProviderAPI.class); + + provider_API_command.setAction(ProviderAPI.SET_UP_PROVIDER); + provider_API_command.putExtra(ProviderAPI.RECEIVER_KEY, providerAPI_result_receiver); + + startService(provider_API_command); + } + } + @Override + public boolean onCreateOptionsMenu(Menu menu) { + getMenuInflater().inflate(R.menu.configuration_wizard_activity, menu); + return true; + } + + @Override + public boolean onOptionsItemSelected(MenuItem item){ + switch (item.getItemId()){ + case R.id.about_leap: + startActivityForResult(new Intent(this, AboutActivity.class), 0); + return true; + case R.id.new_provider: + addAndSelectNewProvider(); + return true; + default: + return super.onOptionsItemSelected(item); + } + } + + public void showAllProviders() { + provider_list_fragment = (ProviderListFragment) getFragmentManager().findFragmentByTag(ProviderListFragment.TAG); + if(provider_list_fragment != null) + provider_list_fragment.unhideAll(); + } + + public void cancelSettingUpProvider() { + provider_list_fragment = (ProviderListFragment) getFragmentManager().findFragmentByTag(ProviderListFragment.TAG); + if(provider_list_fragment != null && preferences.contains(ProviderItem.DANGER_ON)) { + provider_list_fragment.removeLastItem(); + } + preferences.edit().remove(Provider.KEY).remove(ProviderItem.DANGER_ON).remove(EIP.ALLOWED_ANON).remove(EIP.KEY).commit(); + } + + @Override + public void login() { + Intent ask_login = new Intent(); + ask_login.putExtra(LogInDialog.VERB, LogInDialog.VERB); + setResult(RESULT_OK, ask_login); + setting_up_provider = false; + finish(); + } + + @Override + public void use_anonymously() { + setResult(RESULT_OK); + setting_up_provider = false; + finish(); + } + + public class ProviderAPIBroadcastReceiver_Update extends BroadcastReceiver { + + @Override + public void onReceive(Context context, Intent intent) { + int update = intent.getIntExtra(ProviderAPI.CURRENT_PROGRESS, 0); + mProgressBar.setProgress(update); + } + } +} diff --git a/app/src/main/java/se/leap/bitmaskclient/Dashboard.java b/app/src/main/java/se/leap/bitmaskclient/Dashboard.java new file mode 100644 index 00000000..b388b84a --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/Dashboard.java @@ -0,0 +1,479 @@ +/** + * Copyright (c) 2013 LEAP Encryption Access Project and contributers + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + package se.leap.bitmaskclient; + +import org.json.JSONException; +import org.json.JSONObject; + +import se.leap.bitmaskclient.R; +import se.leap.bitmaskclient.ProviderAPIResultReceiver.Receiver; +import android.app.Activity; +import android.app.AlertDialog; +import android.app.DialogFragment; +import android.app.Fragment; +import android.app.FragmentManager; +import android.app.FragmentTransaction; +import android.content.Context; +import android.content.DialogInterface; +import android.content.Intent; +import android.content.SharedPreferences; +import android.os.Bundle; +import android.os.Handler; +import android.os.ResultReceiver; +import android.util.Log; +import android.view.Menu; +import android.view.MenuItem; +import android.view.View; +import android.view.ViewGroup; +import android.widget.ProgressBar; +import android.widget.TextView; +import android.widget.Toast; + +/** + * The main user facing Activity of LEAP Android, consisting of status, controls, + * and access to preferences. + * + * @author Sean Leonard + * @author parmegv + */ +public class Dashboard extends Activity implements LogInDialog.LogInDialogInterface,Receiver { + + protected static final int CONFIGURE_LEAP = 0; + protected static final int SWITCH_PROVIDER = 1; + + final public static String SHARED_PREFERENCES = "LEAPPreferences"; + final public static String ACTION_QUIT = "quit"; + public static final String REQUEST_CODE = "request_code"; + + private ProgressBar mProgressBar; + private TextView eipStatus; + private static Context app; + private static SharedPreferences preferences; + private static Provider provider; + + private TextView providerNameTV; + + private boolean authed_eip = false; + + public ProviderAPIResultReceiver providerAPI_result_receiver; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + + app = this; + + PRNGFixes.apply(); + // mProgressBar = (ProgressBar) findViewById(R.id.progressbar_dashboard); + // mProgressBar = (ProgressBar) findViewById(R.id.eipProgress); + // eipStatus = (TextView) findViewById(R.id.eipStatus); + + mProgressBar = (ProgressBar) findViewById(R.id.eipProgress); + + preferences = getSharedPreferences(SHARED_PREFERENCES, MODE_PRIVATE); + + authed_eip = preferences.getBoolean(EIP.AUTHED_EIP, false); + if (preferences.getString(Provider.KEY, "").isEmpty()) + startActivityForResult(new Intent(this,ConfigurationWizard.class),CONFIGURE_LEAP); + else + buildDashboard(); + } + + @Override + protected void onDestroy() { + super.onDestroy(); + } + + @Override + protected void onActivityResult(int requestCode, int resultCode, Intent data){ + if ( requestCode == CONFIGURE_LEAP || requestCode == SWITCH_PROVIDER) { + // It should be equivalent: if ( (requestCode == CONFIGURE_LEAP) || (data!= null && data.hasExtra(STOP_FIRST))) { + if ( resultCode == RESULT_OK ){ + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putInt(EIP.PARSED_SERIAL, 0).commit(); + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putBoolean(EIP.AUTHED_EIP, authed_eip).commit(); + Intent updateEIP = new Intent(getApplicationContext(), EIP.class); + updateEIP.setAction(EIP.ACTION_UPDATE_EIP_SERVICE); + startService(updateEIP); + buildDashboard(); + invalidateOptionsMenu(); + if(data != null && data.hasExtra(LogInDialog.VERB)) { + View view = ((ViewGroup)findViewById(android.R.id.content)).getChildAt(0); + logInDialog(view, Bundle.EMPTY); + } + } else if(resultCode == RESULT_CANCELED && data.hasExtra(ACTION_QUIT)) { + finish(); + } else + configErrorDialog(); + } + } + + /** + * Dialog shown when encountering a configuration error. Such errors require + * reconfiguring LEAP or aborting the application. + */ + private void configErrorDialog() { + AlertDialog.Builder alertBuilder = new AlertDialog.Builder(getAppContext()); + alertBuilder.setTitle(getResources().getString(R.string.setup_error_title)); + alertBuilder + .setMessage(getResources().getString(R.string.setup_error_text)) + .setCancelable(false) + .setPositiveButton(getResources().getString(R.string.setup_error_configure_button), new DialogInterface.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + startActivityForResult(new Intent(getAppContext(),ConfigurationWizard.class),CONFIGURE_LEAP); + } + }) + .setNegativeButton(getResources().getString(R.string.setup_error_close_button), new DialogInterface.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + SharedPreferences.Editor prefsEdit = getSharedPreferences(SHARED_PREFERENCES, MODE_PRIVATE).edit(); + prefsEdit.remove(Provider.KEY).commit(); + finish(); + } + }) + .show(); + } + + /** + * Inflates permanent UI elements of the View and contains logic for what + * service dependent UI elements to include. + */ + private void buildDashboard() { + provider = Provider.getInstance(); + provider.init( this ); + + setContentView(R.layout.client_dashboard); + + providerNameTV = (TextView) findViewById(R.id.providerName); + providerNameTV.setText(provider.getDomain()); + providerNameTV.setTextSize(28); + + mProgressBar = (ProgressBar) findViewById(R.id.eipProgress); + + FragmentManager fragMan = getFragmentManager(); + if ( provider.hasEIP()){ + EipServiceFragment eipFragment = new EipServiceFragment(); + fragMan.beginTransaction().replace(R.id.servicesCollection, eipFragment, EipServiceFragment.TAG).commit(); + } + } + + @Override + public boolean onPrepareOptionsMenu(Menu menu) { + JSONObject provider_json; + try { + provider_json = new JSONObject(getSharedPreferences(SHARED_PREFERENCES, MODE_PRIVATE).getString(Provider.KEY, "")); + JSONObject service_description = provider_json.getJSONObject(Provider.SERVICE); + + if(service_description.getBoolean(Provider.ALLOW_REGISTRATION)) { + if(authed_eip) { + menu.findItem(R.id.login_button).setVisible(false); + menu.findItem(R.id.logout_button).setVisible(true); + } else { + menu.findItem(R.id.login_button).setVisible(true); + menu.findItem(R.id.logout_button).setVisible(false); + } + } + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + return true; + } + + @Override + public boolean onCreateOptionsMenu(Menu menu) { + getMenuInflater().inflate(R.menu.client_dashboard, menu); + return true; + } + + @Override + public boolean onOptionsItemSelected(MenuItem item){ + Intent intent; + switch (item.getItemId()){ + case R.id.about_leap: + intent = new Intent(this, AboutActivity.class); + startActivity(intent); + return true; + case R.id.switch_provider: + if (Provider.getInstance().hasEIP()){ + if (getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).getBoolean(EIP.AUTHED_EIP, false)){ + logOut(); + } + eipStop(); + } + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().remove(Provider.KEY).commit(); + startActivityForResult(new Intent(this,ConfigurationWizard.class), SWITCH_PROVIDER); + return true; + case R.id.login_button: + View view = ((ViewGroup)findViewById(android.R.id.content)).getChildAt(0); + logInDialog(view, Bundle.EMPTY); + return true; + case R.id.logout_button: + logOut(); + return true; + default: + return super.onOptionsItemSelected(item); + } + + } + + @Override + public void authenticate(String username, String password) { + mProgressBar = (ProgressBar) findViewById(R.id.eipProgress); + eipStatus = (TextView) findViewById(R.id.eipStatus); + + providerAPI_result_receiver = new ProviderAPIResultReceiver(new Handler()); + providerAPI_result_receiver.setReceiver(this); + + Intent provider_API_command = new Intent(this, ProviderAPI.class); + + Bundle parameters = new Bundle(); + parameters.putString(LogInDialog.USERNAME, username); + parameters.putString(LogInDialog.PASSWORD, password); + + JSONObject provider_json; + try { + provider_json = new JSONObject(preferences.getString(Provider.KEY, "")); + parameters.putString(Provider.API_URL, provider_json.getString(Provider.API_URL) + "/" + provider_json.getString(Provider.API_VERSION)); + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + + provider_API_command.setAction(ProviderAPI.SRP_AUTH); + provider_API_command.putExtra(ProviderAPI.PARAMETERS, parameters); + provider_API_command.putExtra(ProviderAPI.RECEIVER_KEY, providerAPI_result_receiver); + + mProgressBar.setVisibility(ProgressBar.VISIBLE); + eipStatus.setText(R.string.authenticating_message); + //mProgressBar.setMax(4); + startService(provider_API_command); + } + + public void cancelAuthedEipOn() { + EipServiceFragment eipFragment = (EipServiceFragment) getFragmentManager().findFragmentByTag(EipServiceFragment.TAG); + eipFragment.checkEipSwitch(false); + } + + /** + * Asks ProviderAPI to log out. + */ + public void logOut() { + providerAPI_result_receiver = new ProviderAPIResultReceiver(new Handler()); + providerAPI_result_receiver.setReceiver(this); + Intent provider_API_command = new Intent(this, ProviderAPI.class); + + Bundle parameters = new Bundle(); + + JSONObject provider_json; + try { + provider_json = new JSONObject(preferences.getString(Provider.KEY, "")); + parameters.putString(Provider.API_URL, provider_json.getString(Provider.API_URL) + "/" + provider_json.getString(Provider.API_VERSION)); + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + + provider_API_command.setAction(ProviderAPI.LOG_OUT); + provider_API_command.putExtra(ProviderAPI.PARAMETERS, parameters); + provider_API_command.putExtra(ProviderAPI.RECEIVER_KEY, providerAPI_result_receiver); + + if(mProgressBar == null) mProgressBar = (ProgressBar) findViewById(R.id.eipProgress); + mProgressBar.setVisibility(ProgressBar.VISIBLE); + if(eipStatus == null) eipStatus = (TextView) findViewById(R.id.eipStatus); + eipStatus.setText(R.string.logout_message); + // eipStatus.setText("Starting to logout"); + + startService(provider_API_command); + //mProgressBar.setMax(1); + + } + + /** + * Shows the log in dialog. + * @param view from which the dialog is created. + */ + public void logInDialog(View view, Bundle resultData) { + FragmentTransaction fragment_transaction = getFragmentManager().beginTransaction(); + Fragment previous_log_in_dialog = getFragmentManager().findFragmentByTag(LogInDialog.TAG); + if (previous_log_in_dialog != null) { + fragment_transaction.remove(previous_log_in_dialog); + } + fragment_transaction.addToBackStack(null); + + DialogFragment newFragment = LogInDialog.newInstance(); + if(resultData != null && !resultData.isEmpty()) { + newFragment.setArguments(resultData); + } + newFragment.show(fragment_transaction, LogInDialog.TAG); + } + + /** + * Asks ProviderAPI to download an authenticated OpenVPN certificate. + * @param session_id cookie for the server to allow us to download the certificate. + */ + private void downloadAuthedUserCertificate(/*Cookie session_id*/) { + providerAPI_result_receiver = new ProviderAPIResultReceiver(new Handler()); + providerAPI_result_receiver.setReceiver(this); + + Intent provider_API_command = new Intent(this, ProviderAPI.class); + + Bundle parameters = new Bundle(); + parameters.putString(ConfigurationWizard.TYPE_OF_CERTIFICATE, ConfigurationWizard.AUTHED_CERTIFICATE); + /*parameters.putString(ConfigHelper.SESSION_ID_COOKIE_KEY, session_id.getName()); + parameters.putString(ConfigHelper.SESSION_ID_KEY, session_id.getValue());*/ + + provider_API_command.setAction(ProviderAPI.DOWNLOAD_CERTIFICATE); + provider_API_command.putExtra(ProviderAPI.PARAMETERS, parameters); + provider_API_command.putExtra(ProviderAPI.RECEIVER_KEY, providerAPI_result_receiver); + + startService(provider_API_command); + } + + @Override + public void onReceiveResult(int resultCode, Bundle resultData) { + if(resultCode == ProviderAPI.SRP_AUTHENTICATION_SUCCESSFUL){ + String session_id_cookie_key = resultData.getString(ProviderAPI.SESSION_ID_COOKIE_KEY); + String session_id_string = resultData.getString(ProviderAPI.SESSION_ID_KEY); + setResult(RESULT_OK); + + authed_eip = true; + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putBoolean(EIP.AUTHED_EIP, authed_eip).commit(); + + invalidateOptionsMenu(); + mProgressBar.setVisibility(ProgressBar.GONE); + changeStatusMessage(resultCode); + + //Cookie session_id = new BasicClientCookie(session_id_cookie_key, session_id_string); + downloadAuthedUserCertificate(/*session_id*/); + } else if(resultCode == ProviderAPI.SRP_AUTHENTICATION_FAILED) { + logInDialog(getCurrentFocus(), resultData); + } else if(resultCode == ProviderAPI.LOGOUT_SUCCESSFUL) { + authed_eip = false; + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putBoolean(EIP.AUTHED_EIP, authed_eip).commit(); + mProgressBar.setVisibility(ProgressBar.GONE); + mProgressBar.setProgress(0); + invalidateOptionsMenu(); + setResult(RESULT_OK); + changeStatusMessage(resultCode); + + } else if(resultCode == ProviderAPI.LOGOUT_FAILED) { + setResult(RESULT_CANCELED); + changeStatusMessage(resultCode); + mProgressBar.setVisibility(ProgressBar.GONE); + } else if(resultCode == ProviderAPI.CORRECTLY_DOWNLOADED_CERTIFICATE) { + setResult(RESULT_OK); + changeStatusMessage(resultCode); + mProgressBar.setVisibility(ProgressBar.GONE); + if(EipServiceFragment.isEipSwitchChecked()) + eipStart(); + } else if(resultCode == ProviderAPI.INCORRECTLY_DOWNLOADED_CERTIFICATE) { + setResult(RESULT_CANCELED); + changeStatusMessage(resultCode); + mProgressBar.setVisibility(ProgressBar.GONE); + } + } + + private void changeStatusMessage(final int previous_result_code) { + // TODO Auto-generated method stub + ResultReceiver eip_status_receiver = new ResultReceiver(new Handler()){ + protected void onReceiveResult(int resultCode, Bundle resultData){ + super.onReceiveResult(resultCode, resultData); + String request = resultData.getString(EIP.REQUEST_TAG); + if (request.equalsIgnoreCase(EIP.ACTION_IS_EIP_RUNNING)){ + if (resultCode == Activity.RESULT_OK){ + + switch(previous_result_code){ + case ProviderAPI.SRP_AUTHENTICATION_SUCCESSFUL: eipStatus.setText(R.string.succesful_authentication_message); break; + case ProviderAPI.SRP_AUTHENTICATION_FAILED: eipStatus.setText(R.string.authentication_failed_message); break; + case ProviderAPI.CORRECTLY_DOWNLOADED_CERTIFICATE: eipStatus.setText(R.string.authed_secured_status); break; + case ProviderAPI.INCORRECTLY_DOWNLOADED_CERTIFICATE: eipStatus.setText(R.string.incorrectly_downloaded_certificate_message); break; + case ProviderAPI.LOGOUT_SUCCESSFUL: eipStatus.setText(R.string.anonymous_secured_status); break; + case ProviderAPI.LOGOUT_FAILED: eipStatus.setText(R.string.log_out_failed_message); break; + + } + } + else if(resultCode == Activity.RESULT_CANCELED){ + + switch(previous_result_code){ + + case ProviderAPI.SRP_AUTHENTICATION_SUCCESSFUL: eipStatus.setText(R.string.succesful_authentication_message); break; + case ProviderAPI.SRP_AUTHENTICATION_FAILED: eipStatus.setText(R.string.authentication_failed_message); break; + case ProviderAPI.CORRECTLY_DOWNLOADED_CERTIFICATE: eipStatus.setText(R.string.future_authed_secured_status); break; + case ProviderAPI.INCORRECTLY_DOWNLOADED_CERTIFICATE: eipStatus.setText(R.string.incorrectly_downloaded_certificate_message); break; + case ProviderAPI.LOGOUT_SUCCESSFUL: eipStatus.setText(R.string.future_anonymous_secured_status); break; + case ProviderAPI.LOGOUT_FAILED: eipStatus.setText(R.string.log_out_failed_message); break; + } + } + } + + } + }; + eipIsRunning(eip_status_receiver); + } + + /** + * For retrieving the base application Context in classes that don't extend + * Android's Activity class + * + * @return Application Context as defined by this for Dashboard instance + */ + public static Context getAppContext() { + return app; + } + + + @Override + public void startActivityForResult(Intent intent, int requestCode) { + intent.putExtra(Dashboard.REQUEST_CODE, requestCode); + super.startActivityForResult(intent, requestCode); + } + /** + * Send a command to EIP + * + * @param action A valid String constant from EIP class representing an Intent + * filter for the EIP class + */ + private void eipIsRunning(ResultReceiver eip_receiver){ + // TODO validate "action"...how do we get the list of intent-filters for a class via Android API? + Intent eip_intent = new Intent(this, EIP.class); + eip_intent.setAction(EIP.ACTION_IS_EIP_RUNNING); + eip_intent.putExtra(EIP.RECEIVER_TAG, eip_receiver); + startService(eip_intent); + } + + /** + * Send a command to EIP + * + */ + private void eipStop(){ + // TODO validate "action"...how do we get the list of intent-filters for a class via Android API? + Intent eip_intent = new Intent(this, EIP.class); + eip_intent.setAction(EIP.ACTION_STOP_EIP); + // eip_intent.putExtra(EIP.RECEIVER_TAG, eip_receiver); + startService(eip_intent); + + } + + private void eipStart(){ + Intent eip_intent = new Intent(this, EIP.class); + eip_intent.setAction(EIP.ACTION_START_EIP); + eip_intent.putExtra(EIP.RECEIVER_TAG, EipServiceFragment.getReceiver()); + startService(eip_intent); + + } +} diff --git a/app/src/main/java/se/leap/bitmaskclient/DownloadFailedDialog.java b/app/src/main/java/se/leap/bitmaskclient/DownloadFailedDialog.java new file mode 100644 index 00000000..f78002b0 --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/DownloadFailedDialog.java @@ -0,0 +1,94 @@ +/** + * Copyright (c) 2013 LEAP Encryption Access Project and contributers + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ +package se.leap.bitmaskclient; + +import se.leap.bitmaskclient.R; +import se.leap.bitmaskclient.NewProviderDialog.NewProviderDialogInterface; +import se.leap.bitmaskclient.ProviderListContent.ProviderItem; +import android.app.Activity; +import android.app.AlertDialog; +import android.app.Dialog; +import android.app.DialogFragment; +import android.content.DialogInterface; +import android.os.Bundle; + +/** + * Implements a dialog to show why a download failed. + * + * @author parmegv + * + */ +public class DownloadFailedDialog extends DialogFragment { + + public static String TAG = "downloaded_failed_dialog"; + private String reason_to_fail; + /** + * @return a new instance of this DialogFragment. + */ + public static DialogFragment newInstance(String reason_to_fail) { + DownloadFailedDialog dialog_fragment = new DownloadFailedDialog(); + dialog_fragment.reason_to_fail = reason_to_fail; + return dialog_fragment; + } + + @Override + public Dialog onCreateDialog(Bundle savedInstanceState) { + AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); + + builder.setMessage(reason_to_fail) + .setPositiveButton(R.string.retry, new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + dismiss(); + interface_with_ConfigurationWizard.retrySetUpProvider(); + } + }) + .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + interface_with_ConfigurationWizard.cancelSettingUpProvider(); + dialog.dismiss(); + } + }); + + // Create the AlertDialog object and return it + return builder.create(); + } + + public interface DownloadFailedDialogInterface { + public void retrySetUpProvider(); + public void cancelSettingUpProvider(); + } + + DownloadFailedDialogInterface interface_with_ConfigurationWizard; + + @Override + public void onAttach(Activity activity) { + super.onAttach(activity); + try { + interface_with_ConfigurationWizard = (DownloadFailedDialogInterface) activity; + } catch (ClassCastException e) { + throw new ClassCastException(activity.toString() + + " must implement NoticeDialogListener"); + } + } + + @Override + public void onCancel(DialogInterface dialog) { + interface_with_ConfigurationWizard.cancelSettingUpProvider(); + dialog.dismiss(); + } + +} diff --git a/app/src/main/java/se/leap/bitmaskclient/EIP.java b/app/src/main/java/se/leap/bitmaskclient/EIP.java new file mode 100644 index 00000000..e773e3b9 --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/EIP.java @@ -0,0 +1,623 @@ +/** + * Copyright (c) 2013 LEAP Encryption Access Project and contributers + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + package se.leap.bitmaskclient; + +import java.util.Calendar; +import java.util.Collection; +import java.util.HashMap; +import java.util.HashSet; +import java.util.Iterator; +import java.util.NoSuchElementException; +import java.util.Set; +import java.util.TreeMap; +import java.util.Vector; + +import org.json.JSONArray; +import org.json.JSONException; +import org.json.JSONObject; + +import se.leap.bitmaskclient.R; +import se.leap.openvpn.ConfigParser; +import se.leap.openvpn.ConfigParser.ConfigParseError; +import se.leap.openvpn.LaunchVPN; +import se.leap.openvpn.OpenVpnManagementThread; +import se.leap.openvpn.OpenVpnService; +import se.leap.openvpn.OpenVpnService.LocalBinder; +import se.leap.openvpn.ProfileManager; +import se.leap.openvpn.VpnProfile; +import android.app.Activity; +import android.app.IntentService; +import android.content.ComponentName; +import android.content.Context; +import android.content.Intent; +import android.content.ServiceConnection; +import android.drm.DrmStore.Action; +import android.os.Bundle; +import android.os.IBinder; +import android.os.ResultReceiver; +import android.util.Log; + +/** + * EIP is the abstract base class for interacting with and managing the Encrypted + * Internet Proxy connection. Connections are started, stopped, and queried through + * this IntentService. + * Contains logic for parsing eip-service.json from the provider, configuring and selecting + * gateways, and controlling {@link .openvpn.OpenVpnService} connections. + * + * @author Sean Leonard + */ +public final class EIP extends IntentService { + + public final static String AUTHED_EIP = "authed eip"; + public final static String ACTION_START_EIP = "se.leap.bitmaskclient.START_EIP"; + public final static String ACTION_STOP_EIP = "se.leap.bitmaskclient.STOP_EIP"; + public final static String ACTION_UPDATE_EIP_SERVICE = "se.leap.bitmaskclient.UPDATE_EIP_SERVICE"; + public final static String ACTION_IS_EIP_RUNNING = "se.leap.bitmaskclient.IS_RUNNING"; + public final static String EIP_NOTIFICATION = "EIP_NOTIFICATION"; + public final static String ALLOWED_ANON = "allow_anonymous"; + public final static String CERTIFICATE = "cert"; + public final static String PRIVATE_KEY = "private_key"; + public final static String KEY = "eip"; + public final static String PARSED_SERIAL = "eip_parsed_serial"; + public final static String SERVICE_API_PATH = "config/eip-service.json"; + public final static String RECEIVER_TAG = "receiverTag"; + public final static String REQUEST_TAG = "requestTag"; + public final static String TAG = "se.leap.bitmaskclient.EIP"; + + + private static Context context; + private static ResultReceiver mReceiver; + private static OpenVpnService mVpnService; + private static boolean mBound = false; + // Used to store actions to "resume" onServiceConnection + private static String mPending = null; + + private static int parsedEipSerial; + private static JSONObject eipDefinition = null; + + private static OVPNGateway activeGateway = null; + + public EIP(){ + super("LEAPEIP"); + } + + @Override + public void onCreate() { + super.onCreate(); + + context = getApplicationContext(); + + updateEIPService(); + + this.retreiveVpnService(); + } + + @Override + public void onDestroy() { + unbindService(mVpnServiceConn); + mBound = false; + + super.onDestroy(); + } + + @Override + protected void onHandleIntent(Intent intent) { + String action = intent.getAction(); + mReceiver = intent.getParcelableExtra(RECEIVER_TAG); + + if ( action == ACTION_IS_EIP_RUNNING ) + this.isRunning(); + if ( action == ACTION_UPDATE_EIP_SERVICE ) + this.updateEIPService(); + else if ( action == ACTION_START_EIP ) + this.startEIP(); + else if ( action == ACTION_STOP_EIP ) + this.stopEIP(); + } + + /** + * Sends an Intent to bind OpenVpnService. + * Used when OpenVpnService isn't bound but might be running. + */ + private boolean retreiveVpnService() { + Intent bindIntent = new Intent(this,OpenVpnService.class); + bindIntent.setAction(OpenVpnService.RETRIEVE_SERVICE); + return bindService(bindIntent, mVpnServiceConn, BIND_AUTO_CREATE); + } + + private static ServiceConnection mVpnServiceConn = new ServiceConnection() { + @Override + public void onServiceConnected(ComponentName name, IBinder service) { + LocalBinder binder = (LocalBinder) service; + mVpnService = binder.getService(); + mBound = true; + + if (mReceiver != null && mPending != null) { + + boolean running = mVpnService.isRunning(); + + int resultCode = Activity.RESULT_CANCELED; + + if (mPending.equals(ACTION_IS_EIP_RUNNING)){ + resultCode = (running) ? Activity.RESULT_OK : Activity.RESULT_CANCELED; + + } + else if (mPending.equals(ACTION_START_EIP)){ + resultCode = (running) ? Activity.RESULT_OK : Activity.RESULT_CANCELED; + } + else if (mPending.equals(ACTION_STOP_EIP)){ + resultCode = (running) ? Activity.RESULT_CANCELED + : Activity.RESULT_OK; + } + Bundle resultData = new Bundle(); + resultData.putString(REQUEST_TAG, ACTION_IS_EIP_RUNNING); + mReceiver.send(resultCode, resultData); + + mPending = null; + } + } + + @Override + public void onServiceDisconnected(ComponentName name) { + mBound = false; + + if (mReceiver != null){ + Bundle resultData = new Bundle(); + resultData.putString(REQUEST_TAG, EIP_NOTIFICATION); + mReceiver.send(Activity.RESULT_CANCELED, resultData); + } + } + + + }; + + /** + * Attempts to determine if OpenVpnService has an established VPN connection + * through the bound ServiceConnection. If there is no bound service, this + * method will attempt to bind a running OpenVpnService and send + * Activity.RESULT_CANCELED to the ResultReceiver that made the + * request. + * Note: If the request to bind OpenVpnService is successful, the ResultReceiver + * will be notified in {@link onServiceConnected()} + */ + + private void isRunning() { + Bundle resultData = new Bundle(); + resultData.putString(REQUEST_TAG, ACTION_IS_EIP_RUNNING); + int resultCode = Activity.RESULT_CANCELED; + if (mBound) { + resultCode = (mVpnService.isRunning()) ? Activity.RESULT_OK : Activity.RESULT_CANCELED; + + if (mReceiver != null){ + mReceiver.send(resultCode, resultData); + } + } else { + mPending = ACTION_IS_EIP_RUNNING; + boolean retrieved_vpn_service = retreiveVpnService(); + try { + Thread.sleep(1000); + } catch (InterruptedException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + boolean running = false; + try { + running = mVpnService.isRunning(); + } catch (NullPointerException e){ + e.printStackTrace(); + } + + if (retrieved_vpn_service && running && mReceiver != null){ + mReceiver.send(Activity.RESULT_OK, resultData); + } + else{ + mReceiver.send(Activity.RESULT_CANCELED, resultData); + } + } + } + + /** + * Initiates an EIP connection by selecting a gateway and preparing and sending an + * Intent to {@link se.leap.openvpn.LaunchVPN} + */ + private void startEIP() { + activeGateway = selectGateway(); + + Intent intent = new Intent(this,LaunchVPN.class); + intent.setAction(Intent.ACTION_MAIN); + intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); + intent.putExtra(LaunchVPN.EXTRA_KEY, activeGateway.mVpnProfile.getUUID().toString() ); + intent.putExtra(LaunchVPN.EXTRA_NAME, activeGateway.mVpnProfile.getName() ); + intent.putExtra(RECEIVER_TAG, mReceiver); + startActivity(intent); + mPending = ACTION_START_EIP; + } + + /** + * Disconnects the EIP connection gracefully through the bound service or forcefully + * if there is no bound service. Sends a message to the requesting ResultReceiver. + */ + private void stopEIP() { + if (mBound) + mVpnService.onRevoke(); + else + OpenVpnManagementThread.stopOpenVPN(); + + if (mReceiver != null){ + Bundle resultData = new Bundle(); + resultData.putString(REQUEST_TAG, ACTION_STOP_EIP); + mReceiver.send(Activity.RESULT_OK, resultData); + } + } + + /** + * Loads eip-service.json from SharedPreferences and calls {@link updateGateways()} + * to parse gateway definitions. + * TODO Implement API call to refresh eip-service.json from the provider + */ + private void updateEIPService() { + try { + eipDefinition = new JSONObject(getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).getString(KEY, "")); + parsedEipSerial = getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).getInt(PARSED_SERIAL, 0); + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + if(parsedEipSerial == 0) { + // Delete all vpn profiles + ProfileManager vpl = ProfileManager.getInstance(context); + VpnProfile[] profiles = (VpnProfile[]) vpl.getProfiles().toArray(new VpnProfile[vpl.getProfiles().size()]); + for (int current_profile = 0; current_profile < profiles.length; current_profile++){ + vpl.removeProfile(context, profiles[current_profile]); + } + } + if (eipDefinition.optInt("serial") > parsedEipSerial) + updateGateways(); + } + + /** + * Choose a gateway to connect to based on timezone from system locale data + * + * @return The gateway to connect to + */ + private OVPNGateway selectGateway() { + // TODO Remove String arg constructor in favor of findGatewayByName(String) + + Calendar cal = Calendar.getInstance(); + int localOffset = cal.get(Calendar.ZONE_OFFSET) / 3600000; + TreeMap> offsets = new TreeMap>(); + JSONObject locationsObjects = null; + Iterator locations = null; + try { + locationsObjects = eipDefinition.getJSONObject("locations"); + locations = locationsObjects.keys(); + } catch (JSONException e1) { + // TODO Auto-generated catch block + e1.printStackTrace(); + } + + while (locations.hasNext()) { + String locationName = locations.next(); + JSONObject location = null; + try { + location = locationsObjects.getJSONObject(locationName); + + // Distance along the numberline of Prime Meridian centric, assumes UTC-11 through UTC+12 + int dist = Math.abs(localOffset - location.optInt("timezone")); + // Farther than 12 timezones and it's shorter around the "back" + if (dist > 12) + dist = 12 - (dist -12); // Well i'll be. Absolute values make equations do funny things. + + Set set = offsets.get(dist); + if (set == null) set = new HashSet(); + set.add(locationName); + offsets.put(dist, set); + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + + + String closestLocation = offsets.isEmpty() ? "" : offsets.firstEntry().getValue().iterator().next(); + JSONArray gateways = null; + String chosenHost = null; + try { + gateways = eipDefinition.getJSONArray("gateways"); + for (int i = 0; i < gateways.length(); i++) { + JSONObject gw = gateways.getJSONObject(i); + if ( gw.getString("location").equalsIgnoreCase(closestLocation) || closestLocation.isEmpty()){ + chosenHost = gw.getString("host"); + break; + } + } + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + + return new OVPNGateway(chosenHost); + } + + /** + * Walk the list of gateways defined in eip-service.json and parse them into + * OVPNGateway objects. + * TODO Store the OVPNGateways (as Serializable) in SharedPreferences + */ + private void updateGateways(){ + JSONArray gatewaysDefined = null; + + try { + gatewaysDefined = eipDefinition.getJSONArray("gateways"); + } catch (JSONException e1) { + // TODO Auto-generated catch block + e1.printStackTrace(); + } + + for ( int i=0 ; i < gatewaysDefined.length(); i++ ){ + + JSONObject gw = null; + + try { + gw = gatewaysDefined.getJSONObject(i); + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + + try { + if ( gw.getJSONObject("capabilities").getJSONArray("transport").toString().contains("openvpn") ){ + new OVPNGateway(gw); + } + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putInt(PARSED_SERIAL, eipDefinition.optInt(Provider.API_RETURN_SERIAL)).commit(); + } + + /** + * OVPNGateway provides objects defining gateways and their options and metadata. + * Each instance contains a VpnProfile for OpenVPN specific data and member + * variables describing capabilities and location + * + * @author Sean Leonard + */ + private class OVPNGateway { + + private String TAG = "OVPNGateway"; + + private String mName; + private VpnProfile mVpnProfile; + private JSONObject mGateway; + private HashMap>> options = new HashMap>>(); + + + /** + * Attempts to retrieve a VpnProfile by name and build an OVPNGateway around it. + * FIXME This needs to become a findGatewayByName() method + * + * @param name The hostname of the gateway to inflate + */ + private OVPNGateway(String name){ + mName = name; + + this.loadVpnProfile(); + } + + private void loadVpnProfile() { + ProfileManager vpl = ProfileManager.getInstance(context); + + try { + if ( mName == null ) + mVpnProfile = vpl.getProfiles().iterator().next(); + else + mVpnProfile = vpl.getProfileByName(mName); + } catch (NoSuchElementException e) { + updateEIPService(); + this.loadVpnProfile(); // FIXME catch infinite loops + } catch (Exception e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + + /** + * Build a gateway object from a JSON OpenVPN gateway definition in eip-service.json + * and create a VpnProfile belonging to it. + * + * @param gateway The JSON OpenVPN gateway definition to parse + */ + protected OVPNGateway(JSONObject gateway){ + + mGateway = gateway; + + // Currently deletes VpnProfile for host, if there already is one, and builds new + ProfileManager vpl = ProfileManager.getInstance(context); + Collection profiles = vpl.getProfiles(); + for (Iterator it = profiles.iterator(); it.hasNext(); ){ + VpnProfile p = it.next(); + try { + if ( p.mName.equalsIgnoreCase( gateway.getString("host") ) ){ + it.remove(); + vpl.removeProfile(context, p); + } + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + + this.parseOptions(); + this.createVPNProfile(); + + setUniqueProfileName(vpl); + vpl.addProfile(mVpnProfile); + vpl.saveProfile(context, mVpnProfile); + vpl.saveProfileList(context); + } + + /** + * Attempts to create a unique profile name from the hostname of the gateway + * + * @param profileManager + */ + private void setUniqueProfileName(ProfileManager profileManager) { + int i=0; + + String newname; + try { + newname = mGateway.getString("host"); + while(profileManager.getProfileByName(newname)!=null) { + i++; + if(i==1) + newname = getString(R.string.converted_profile); + else + newname = getString(R.string.converted_profile_i,i); + } + + mVpnProfile.mName=newname; + } catch (JSONException e) { + // TODO Auto-generated catch block + Log.v(TAG,"Couldn't read gateway name for profile creation!"); + e.printStackTrace(); + } + } + + /** + * FIXME This method is really the outline of the refactoring needed in se.leap.openvpn.ConfigParser + */ + private void parseOptions(){ + + // FIXME move these to a common API (& version) definition place, like ProviderAPI or ConfigHelper + String common_options = "openvpn_configuration"; + String remote = "ip_address"; + String ports = "ports"; + String protos = "protocols"; + String capabilities = "capabilities"; + String location_key = "location"; + String locations = "locations"; + + Vector arg = new Vector(); + Vector> args = new Vector>(); + + try { + JSONObject def = (JSONObject) eipDefinition.get(common_options); + Iterator keys = def.keys(); + Vector> value = new Vector>(); + while ( keys.hasNext() ){ + String key = keys.next().toString(); + + arg.add(key); + for ( String word : def.getString(key).split(" ") ) + arg.add(word); + value.add( (Vector) arg.clone() ); + options.put(key, (Vector>) value.clone()); + value.clear(); + arg.clear(); + } + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + + try { + arg.add(remote); + arg.add(mGateway.getString(remote)); + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + args.add((Vector) arg.clone()); + options.put("remote", (Vector>) args.clone() ); + arg.clear(); + args.clear(); + + + + try { + + arg.add(location_key); + String locationText = ""; + locationText = eipDefinition.getJSONObject(locations).getJSONObject(mGateway.getString(location_key)).getString("name"); + arg.add(locationText); + + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + args.add((Vector) arg.clone()); + options.put("location", (Vector>) args.clone() ); + + arg.clear(); + args.clear(); + JSONArray protocolsJSON = null; + arg.add("proto"); + try { + protocolsJSON = mGateway.getJSONObject(capabilities).getJSONArray(protos); + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + Vector protocols = new Vector(); + for ( int i=0; i) arg.clone()); + options.put("proto", (Vector>) args.clone()); + arg.clear(); + args.clear(); + + + String port = null; + arg.add("port"); + try { + port = mGateway.getJSONObject(capabilities).getJSONArray(ports).optString(0); + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + arg.add(port); + args.add((Vector) arg.clone()); + options.put("port", (Vector>) args.clone()); + args.clear(); + arg.clear(); + } + + /** + * Create and attach the VpnProfile to our gateway object + */ + protected void createVPNProfile(){ + try { + ConfigParser cp = new ConfigParser(); + cp.setDefinition(options); + VpnProfile vp = cp.convertProfile(); + mVpnProfile = vp; + Log.v(TAG,"Created VPNProfile"); + } catch (ConfigParseError e) { + // FIXME We didn't get a VpnProfile! Error handling! and log level + Log.v(TAG,"Error createing VPNProfile"); + e.printStackTrace(); + } + } + } + +} diff --git a/app/src/main/java/se/leap/bitmaskclient/EipServiceFragment.java b/app/src/main/java/se/leap/bitmaskclient/EipServiceFragment.java new file mode 100644 index 00000000..b4cb541a --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/EipServiceFragment.java @@ -0,0 +1,306 @@ +package se.leap.bitmaskclient; + +import se.leap.bitmaskclient.R; +import se.leap.openvpn.LogWindow; +import se.leap.openvpn.OpenVPN; +import se.leap.openvpn.OpenVPN.StateListener; +import android.app.Activity; +import android.app.AlertDialog; +import android.app.Fragment; +import android.content.DialogInterface; +import android.content.Intent; +import android.os.Bundle; +import android.os.Handler; +import android.os.ResultReceiver; +import android.util.Log; +import android.view.LayoutInflater; +import android.view.MotionEvent; +import android.view.View; +import android.view.View.OnClickListener; +import android.view.ViewGroup; +import android.widget.CompoundButton.OnCheckedChangeListener; +import android.widget.CompoundButton; +import android.widget.RelativeLayout; +import android.widget.Switch; +import android.widget.TextView; + +public class EipServiceFragment extends Fragment implements StateListener, OnCheckedChangeListener { + + protected static final String IS_EIP_PENDING = "is_eip_pending"; + + private View eipFragment; + private static Switch eipSwitch; + private View eipDetail; + private TextView eipStatus; + + private boolean eipAutoSwitched = true; + + private boolean mEipStartPending = false; + + private boolean set_switch_off = false; + + private static EIPReceiver mEIPReceiver; + + + public static String TAG = "se.leap.bitmask.EipServiceFragment"; + + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup container, + Bundle savedInstanceState) { + + eipFragment = inflater.inflate(R.layout.eip_service_fragment, container, false); + + eipDetail = ((RelativeLayout) eipFragment.findViewById(R.id.eipDetail)); + eipDetail.setVisibility(View.VISIBLE); + + View eipSettings = eipFragment.findViewById(R.id.eipSettings); + eipSettings.setVisibility(View.GONE); // FIXME too! + + if (mEipStartPending) + eipFragment.findViewById(R.id.eipProgress).setVisibility(View.VISIBLE); + + eipStatus = (TextView) eipFragment.findViewById(R.id.eipStatus); + + eipSwitch = (Switch) eipFragment.findViewById(R.id.eipSwitch); + + + eipSwitch.setOnTouchListener(new View.OnTouchListener() { + @Override + public boolean onTouch(View v, MotionEvent event) { + eipAutoSwitched = false; + return false; + } + }); + eipSwitch.setOnCheckedChangeListener(this); + + + return eipFragment; + } + + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + + mEIPReceiver = new EIPReceiver(new Handler()); + + if (savedInstanceState != null) + mEipStartPending = savedInstanceState.getBoolean(IS_EIP_PENDING); + } + + @Override + public void onResume() { + super.onResume(); + + OpenVPN.addStateListener(this); + if(set_switch_off) { + eipSwitch.setChecked(false); + set_switch_off = false; + } + } + + protected void setSwitchOff(boolean value) { + set_switch_off = value; + } + + @Override + public void onPause() { + super.onPause(); + + OpenVPN.removeStateListener(this); + } + + @Override + public void onSaveInstanceState(Bundle outState) { + super.onSaveInstanceState(outState); + outState.putBoolean(IS_EIP_PENDING, mEipStartPending); + } + + @Override + public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { + if (buttonView.equals(eipSwitch) && !eipAutoSwitched){ + boolean allowed_anon = getActivity().getSharedPreferences(Dashboard.SHARED_PREFERENCES, Activity.MODE_PRIVATE).getBoolean(EIP.ALLOWED_ANON, false); + String certificate = getActivity().getSharedPreferences(Dashboard.SHARED_PREFERENCES, Activity.MODE_PRIVATE).getString(EIP.CERTIFICATE, ""); + if(allowed_anon || !certificate.isEmpty()) { + if (isChecked){ + mEipStartPending = true; + eipFragment.findViewById(R.id.eipProgress).setVisibility(View.VISIBLE); + ((TextView) eipFragment.findViewById(R.id.eipStatus)).setText(R.string.eip_status_start_pending); + eipCommand(EIP.ACTION_START_EIP); + } else { + if (mEipStartPending){ + AlertDialog.Builder alertBuilder = new AlertDialog.Builder(getActivity()); + alertBuilder.setTitle(getResources().getString(R.string.eip_cancel_connect_title)); + alertBuilder + .setMessage(getResources().getString(R.string.eip_cancel_connect_text)) + .setPositiveButton(getResources().getString(R.string.eip_cancel_connect_cancel), new DialogInterface.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + eipCommand(EIP.ACTION_STOP_EIP); + mEipStartPending = false; + } + }) + .setNegativeButton(getResources().getString(R.string.eip_cancel_connect_false), new DialogInterface.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + eipAutoSwitched = true; + eipSwitch.setChecked(true); + eipAutoSwitched = false; + } + }) + .show(); + } else { + eipCommand(EIP.ACTION_STOP_EIP); + } + } + } + else { + Dashboard dashboard = (Dashboard)getActivity(); + Bundle waiting_on_login = new Bundle(); + waiting_on_login.putBoolean(IS_EIP_PENDING, true); + dashboard.logInDialog(getActivity().getCurrentFocus(), waiting_on_login); + } + } + else { + if(!eipSwitch.isChecked()) + eipStatus.setText(R.string.state_noprocess); + } + eipAutoSwitched = true; + } + + + + /** + * Send a command to EIP + * + * @param action A valid String constant from EIP class representing an Intent + * filter for the EIP class + */ + private void eipCommand(String action){ + // TODO validate "action"...how do we get the list of intent-filters for a class via Android API? + Intent vpnIntent = new Intent(action); + vpnIntent.putExtra(EIP.RECEIVER_TAG, mEIPReceiver); + getActivity().startService(vpnIntent); + } + + @Override + public void updateState(final String state, final String logmessage, final int localizedResId) { + // Note: "states" are not organized anywhere...collected state strings: + // NOPROCESS,NONETWORK,BYTECOUNT,AUTH_FAILED + some parsing thing ( WAIT(?),AUTH,GET_CONFIG,ASSIGN_IP,CONNECTED,SIGINT ) + getActivity().runOnUiThread(new Runnable() { + + @Override + public void run() { + if (eipStatus != null) { + boolean switchState = true; + String statusMessage = ""; + String prefix = getString(localizedResId); + if (state.equals("CONNECTED")){ + + statusMessage = getString(R.string.eip_state_connected); + getActivity().findViewById(R.id.eipProgress).setVisibility(View.GONE); + mEipStartPending = false; + } else if (state.equals("BYTECOUNT")) { + statusMessage = getString(R.string.eip_state_connected); getActivity().findViewById(R.id.eipProgress).setVisibility(View.GONE); + mEipStartPending = false; + + } else if ( (state.equals("NOPROCESS") && !mEipStartPending ) || state.equals("EXITING") && !mEipStartPending || state.equals("FATAL")) { + statusMessage = getString(R.string.eip_state_not_connected); + getActivity().findViewById(R.id.eipProgress).setVisibility(View.GONE); + mEipStartPending = false; + switchState = false; + } else if (state.equals("NOPROCESS")){ + statusMessage = logmessage; + } else if (state.equals("ASSIGN_IP")){ //don't show assigning message in eipStatus + statusMessage = (String) eipStatus.getText(); + } + else { + statusMessage = prefix + " " + logmessage; + } + + eipAutoSwitched = true; + eipSwitch.setChecked(switchState); + eipAutoSwitched = false; + eipStatus.setText(statusMessage); + } + } + }); + } + + + /** + * Inner class for handling messages related to EIP status and control requests + * + * @author Sean Leonard + */ + protected class EIPReceiver extends ResultReceiver { + + protected EIPReceiver(Handler handler){ + super(handler); + } + + @Override + protected void onReceiveResult(int resultCode, Bundle resultData) { + super.onReceiveResult(resultCode, resultData); + + String request = resultData.getString(EIP.REQUEST_TAG); + boolean checked = false; + + if (request == EIP.ACTION_IS_EIP_RUNNING) { + switch (resultCode){ + case Activity.RESULT_OK: + checked = true; + break; + case Activity.RESULT_CANCELED: + checked = false; + break; + } + } else if (request == EIP.ACTION_START_EIP) { + switch (resultCode){ + case Activity.RESULT_OK: + checked = true; + break; + case Activity.RESULT_CANCELED: + checked = false; + eipFragment.findViewById(R.id.eipProgress).setVisibility(View.GONE); + break; + } + } else if (request == EIP.ACTION_STOP_EIP) { + switch (resultCode){ + case Activity.RESULT_OK: + checked = false; + break; + case Activity.RESULT_CANCELED: + checked = true; + break; + } + } else if (request == EIP.EIP_NOTIFICATION) { + switch (resultCode){ + case Activity.RESULT_OK: + checked = true; + break; + case Activity.RESULT_CANCELED: + checked = false; + break; + } + } + + eipAutoSwitched = true; + eipSwitch.setChecked(checked); + eipAutoSwitched = false; + } + } + + + public static EIPReceiver getReceiver() { + return mEIPReceiver; + } + + public static boolean isEipSwitchChecked() { + return eipSwitch.isChecked(); + } + + public void checkEipSwitch(boolean checked) { + eipSwitch.setChecked(checked); + onCheckedChanged(eipSwitch, checked); + } +} diff --git a/app/src/main/java/se/leap/bitmaskclient/LeapHttpClient.java b/app/src/main/java/se/leap/bitmaskclient/LeapHttpClient.java new file mode 100644 index 00000000..885b5105 --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/LeapHttpClient.java @@ -0,0 +1,77 @@ +/** + * Copyright (c) 2013 LEAP Encryption Access Project and contributers + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + package se.leap.bitmaskclient; + +import java.security.KeyStore; + +import org.apache.http.conn.ClientConnectionManager; +import org.apache.http.conn.scheme.PlainSocketFactory; +import org.apache.http.conn.scheme.Scheme; +import org.apache.http.conn.scheme.SchemeRegistry; +import org.apache.http.conn.ssl.SSLSocketFactory; +import org.apache.http.impl.client.DefaultHttpClient; +import org.apache.http.impl.conn.SingleClientConnManager; +import android.content.Context; + +/** + * Implements an HTTP client, enabling LEAP Android app to manage its own runtime keystore or bypass default Android security measures. + * + * @author rafa + * + */ +public class LeapHttpClient extends DefaultHttpClient { + + private static LeapHttpClient client; + + /** + * If the class scope client is null, it creates one and imports, if existing, the main certificate from Shared Preferences. + * @param context + * @return the new client. + */ + public static LeapHttpClient getInstance(String cert_string) { + if(client == null) { + if(cert_string != null) { + ConfigHelper.addTrustedCertificate("provider_ca_certificate", cert_string); + } + } + return client; + } + + @Override + protected ClientConnectionManager createClientConnectionManager() { + SchemeRegistry registry = new SchemeRegistry(); + registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80)); + registry.register(new Scheme("https", newSslSocketFactory(), 443)); + + return new SingleClientConnManager(getParams(), registry); + } + + /** + * Uses keystore from ConfigHelper for the SSLSocketFactory. + * @return + */ + private SSLSocketFactory newSslSocketFactory() { + try { + KeyStore trusted = ConfigHelper.getKeystore(); + SSLSocketFactory sf = new SSLSocketFactory(trusted); + + return sf; + } catch (Exception e) { + throw new AssertionError(e); + } + } +} diff --git a/app/src/main/java/se/leap/bitmaskclient/LeapSRPSession.java b/app/src/main/java/se/leap/bitmaskclient/LeapSRPSession.java new file mode 100644 index 00000000..a317d95e --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/LeapSRPSession.java @@ -0,0 +1,341 @@ +/** + * Copyright (c) 2013 LEAP Encryption Access Project and contributers + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + package se.leap.bitmaskclient; + +import java.io.UnsupportedEncodingException; +import java.math.BigInteger; +import java.security.MessageDigest; +import java.security.NoSuchAlgorithmException; +import java.security.SecureRandom; +import java.util.Arrays; + +import org.jboss.security.srp.SRPParameters; + +/** + * Implements all SRP algorithm logic. + * + * It's derived from JBoss implementation, with adjustments to make it work with LEAP platform. + * + * @author parmegv + * + */ +public class LeapSRPSession { + + private static String token = ""; + + final public static String SALT = "salt"; + final public static String M1 = "M1"; + final public static String M2 = "M2"; + final public static String TOKEN = "token"; + final public static String AUTHORIZATION_HEADER= "Authorization"; + + private SRPParameters params; + private String username; + private String password; + private BigInteger N; + private byte[] N_bytes; + private BigInteger g; + private BigInteger x; + private BigInteger v; + private BigInteger a; + private BigInteger A; + private byte[] K; + private SecureRandom pseudoRng; + /** The M1 = H(H(N) xor H(g) | H(U) | s | A | B | K) hash */ + private MessageDigest clientHash; + /** The M2 = H(A | M | K) hash */ + private MessageDigest serverHash; + + private static int A_LEN; + + /** Creates a new SRP server session object from the username, password + verifier, + @param username, the user ID + @param password, the user clear text password + @param params, the SRP parameters for the session + */ + public LeapSRPSession(String username, String password, SRPParameters params) + { + this(username, password, params, null); + } + + /** Creates a new SRP server session object from the username, password + verifier, + @param username, the user ID + @param password, the user clear text password + @param params, the SRP parameters for the session + @param abytes, the random exponent used in the A public key + */ + public LeapSRPSession(String username, String password, SRPParameters params, + byte[] abytes) { + this.params = params; + this.g = new BigInteger(1, params.g); + N_bytes = ConfigHelper.trim(params.N); + this.N = new BigInteger(1, N_bytes); + this.username = username; + this.password = password; + + try { + pseudoRng = SecureRandom.getInstance("SHA1PRNG"); + } catch (NoSuchAlgorithmException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + + if( abytes != null ) { + A_LEN = 8*abytes.length; + /* TODO Why did they put this condition? + if( 8*abytes.length != A_LEN ) + throw new IllegalArgumentException("The abytes param must be " + +(A_LEN/8)+" in length, abytes.length="+abytes.length); + */ + this.a = new BigInteger(abytes); + } + else + A_LEN = 64; + + serverHash = newDigest(); + clientHash = newDigest(); + } + + /** + * Calculates the parameter x of the SRP-6a algorithm. + * @param username + * @param password + * @param salt the salt of the user + * @return x + */ + public byte[] calculatePasswordHash(String username, String password, byte[] salt) + { + //password = password.replaceAll("\\\\", "\\\\\\\\"); + // Calculate x = H(s | H(U | ':' | password)) + MessageDigest x_digest = newDigest(); + // Try to convert the username to a byte[] using ISO-8859-1 + byte[] user = null; + byte[] password_bytes = null; + byte[] colon = {}; + String encoding = "ISO-8859-1"; + try { + user = ConfigHelper.trim(username.getBytes(encoding)); + colon = ConfigHelper.trim(":".getBytes(encoding)); + password_bytes = ConfigHelper.trim(password.getBytes(encoding)); + } + catch(UnsupportedEncodingException e) { + // Use the default platform encoding + user = ConfigHelper.trim(username.getBytes()); + colon = ConfigHelper.trim(":".getBytes()); + password_bytes = ConfigHelper.trim(password.getBytes()); + } + + // Build the hash + x_digest.update(user); + x_digest.update(colon); + x_digest.update(password_bytes); + byte[] h = x_digest.digest(); + + x_digest.reset(); + x_digest.update(salt); + x_digest.update(h); + byte[] x_digest_bytes = x_digest.digest(); + + return x_digest_bytes; + } + + /** + * Calculates the parameter V of the SRP-6a algorithm. + * @param k_string constant k predefined by the SRP server implementation. + * @return the value of V + */ + private BigInteger calculateV(String k_string) { + BigInteger k = new BigInteger(k_string, 16); + BigInteger v = k.multiply(g.modPow(x, N)); // g^x % N + return v; + } + + /** + * Calculates the trimmed xor from two BigInteger numbers + * @param b1 the positive source to build first BigInteger + * @param b2 the positive source to build second BigInteger + * @param length + * @return + */ + public byte[] xor(byte[] b1, byte[] b2) + { + //TODO Check if length matters in the order, when b2 is smaller than b1 or viceversa + byte[] xor_digest = new BigInteger(1, b1).xor(new BigInteger(1, b2)).toByteArray(); + return ConfigHelper.trim(xor_digest); + } + + /** + * @returns The exponential residue (parameter A) to be sent to the server. + */ + public byte[] exponential() { + byte[] Abytes = null; + if(A == null) { + /* If the random component of A has not been specified use a random + number */ + if( a == null ) { + BigInteger one = BigInteger.ONE; + do { + a = new BigInteger(A_LEN, pseudoRng); + } while(a.compareTo(one) <= 0); + } + A = g.modPow(a, N); + Abytes = ConfigHelper.trim(A.toByteArray()); + } + return Abytes; + } + + /** + * Calculates the parameter M1, to be sent to the SRP server. + * It also updates hashes of client and server for further calculations in other methods. + * It uses a predefined k. + * @param salt_bytes + * @param Bbytes the parameter received from the server, in bytes + * @return the parameter M1 + * @throws NoSuchAlgorithmException + */ + public byte[] response(byte[] salt_bytes, byte[] Bbytes) throws NoSuchAlgorithmException { + // Calculate x = H(s | H(U | ':' | password)) + byte[] M1 = null; + if(new BigInteger(1, Bbytes).mod(new BigInteger(1, N_bytes)) != BigInteger.ZERO) { + byte[] xb = calculatePasswordHash(username, password, ConfigHelper.trim(salt_bytes)); + this.x = new BigInteger(1, xb); + + // Calculate v = kg^x mod N + String k_string = "bf66c44a428916cad64aa7c679f3fd897ad4c375e9bbb4cbf2f5de241d618ef0"; + this.v = calculateV(k_string); + + // H(N) + byte[] digest_of_n = newDigest().digest(N_bytes); + + // H(g) + byte[] digest_of_g = newDigest().digest(params.g); + + // clientHash = H(N) xor H(g) + byte[] xor_digest = xor(digest_of_n, digest_of_g); + clientHash.update(xor_digest); + + // clientHash = H(N) xor H(g) | H(U) + byte[] username_digest = newDigest().digest(ConfigHelper.trim(username.getBytes())); + username_digest = ConfigHelper.trim(username_digest); + clientHash.update(username_digest); + + // clientHash = H(N) xor H(g) | H(U) | s + clientHash.update(ConfigHelper.trim(salt_bytes)); + + K = null; + + // clientHash = H(N) xor H(g) | H(U) | A + byte[] Abytes = ConfigHelper.trim(A.toByteArray()); + clientHash.update(Abytes); + + // clientHash = H(N) xor H(g) | H(U) | s | A | B + Bbytes = ConfigHelper.trim(Bbytes); + clientHash.update(Bbytes); + + // Calculate S = (B - kg^x) ^ (a + u * x) % N + BigInteger S = calculateS(Bbytes); + byte[] S_bytes = ConfigHelper.trim(S.toByteArray()); + + // K = SessionHash(S) + String hash_algorithm = params.hashAlgorithm; + MessageDigest sessionDigest = MessageDigest.getInstance(hash_algorithm); + K = ConfigHelper.trim(sessionDigest.digest(S_bytes)); + + // clientHash = H(N) xor H(g) | H(U) | A | B | K + clientHash.update(K); + + M1 = ConfigHelper.trim(clientHash.digest()); + + // serverHash = Astr + M + K + serverHash.update(Abytes); + serverHash.update(M1); + serverHash.update(K); + + } + return M1; + } + + /** + * It calculates the parameter S used by response() to obtain session hash K. + * @param Bbytes the parameter received from the server, in bytes + * @return the parameter S + */ + private BigInteger calculateS(byte[] Bbytes) { + byte[] Abytes = ConfigHelper.trim(A.toByteArray()); + Bbytes = ConfigHelper.trim(Bbytes); + byte[] u_bytes = getU(Abytes, Bbytes); + + BigInteger B = new BigInteger(1, Bbytes); + BigInteger u = new BigInteger(1, u_bytes); + + BigInteger B_minus_v = B.subtract(v); + BigInteger a_ux = a.add(u.multiply(x)); + BigInteger S = B_minus_v.modPow(a_ux, N); + return S; + } + + /** + * It calculates the parameter u used by calculateS to obtain S. + * @param Abytes the exponential residue sent to the server + * @param Bbytes the parameter received from the server, in bytes + * @return + */ + public byte[] getU(byte[] Abytes, byte[] Bbytes) { + MessageDigest u_digest = newDigest(); + u_digest.update(ConfigHelper.trim(Abytes)); + u_digest.update(ConfigHelper.trim(Bbytes)); + byte[] u_digest_bytes = u_digest.digest(); + return ConfigHelper.trim(new BigInteger(1, u_digest_bytes).toByteArray()); + } + + /** + * @param M2 The server's response to the client's challenge + * @returns True if and only if the server's response was correct. + */ + public boolean verify(byte[] M2) + { + // M2 = H(A | M1 | K) + M2 = ConfigHelper.trim(M2); + byte[] myM2 = ConfigHelper.trim(serverHash.digest()); + boolean valid = Arrays.equals(M2, myM2); + return valid; + } + + protected static void setToken(String token) { + LeapSRPSession.token = token; + } + + protected static String getToken() { + return token; + } + + /** + * @return a new SHA-256 digest. + */ + public MessageDigest newDigest() + { + MessageDigest md = null; + try { + md = MessageDigest.getInstance("SHA-256"); + } catch (NoSuchAlgorithmException e) { + e.printStackTrace(); + } + return md; + } +} diff --git a/app/src/main/java/se/leap/bitmaskclient/LogInDialog.java b/app/src/main/java/se/leap/bitmaskclient/LogInDialog.java new file mode 100644 index 00000000..a28c9049 --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/LogInDialog.java @@ -0,0 +1,151 @@ +/** + * Copyright (c) 2013 LEAP Encryption Access Project and contributers + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + package se.leap.bitmaskclient; + +import se.leap.bitmaskclient.R; +import android.R.color; +import android.app.Activity; +import android.app.AlertDialog; +import android.app.DialogFragment; +import android.content.DialogInterface; +import android.content.res.ColorStateList; +import android.os.Bundle; +import android.provider.CalendarContract.Colors; +import android.view.LayoutInflater; +import android.view.View; +import android.view.animation.AlphaAnimation; +import android.view.animation.BounceInterpolator; +import android.widget.EditText; +import android.widget.TextView; + +/** + * Implements the log in dialog, currently without progress dialog. + * + * It returns to the previous fragment when finished, and sends username and password to the authenticate method. + * + * It also notifies the user if the password is not valid. + * + * @author parmegv + * + */ +public class LogInDialog extends DialogFragment { + + + final public static String TAG = "logInDialog"; + final public static String VERB = "log in"; + final public static String USERNAME = "username"; + final public static String PASSWORD = "password"; + final public static String USERNAME_MISSING = "username missing"; + final public static String PASSWORD_INVALID_LENGTH = "password_invalid_length"; + + private static boolean is_eip_pending = false; + + public AlertDialog onCreateDialog(Bundle savedInstanceState) { + AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); + LayoutInflater inflater = getActivity().getLayoutInflater(); + View log_in_dialog_view = inflater.inflate(R.layout.log_in_dialog, null); + + final TextView user_message = (TextView)log_in_dialog_view.findViewById(R.id.user_message); + if(getArguments() != null && getArguments().containsKey(getResources().getString(R.string.user_message))) { + user_message.setText(getArguments().getString(getResources().getString(R.string.user_message))); + } else { + user_message.setVisibility(View.GONE); + } + + final EditText username_field = (EditText)log_in_dialog_view.findViewById(R.id.username_entered); + if(getArguments() != null && getArguments().containsKey(USERNAME)) { + String username = getArguments().getString(USERNAME); + username_field.setText(username); + } + if (getArguments() != null && getArguments().containsKey(USERNAME_MISSING)) { + username_field.setError(getResources().getString(R.string.username_ask)); + } + + final EditText password_field = (EditText)log_in_dialog_view.findViewById(R.id.password_entered); + if(!username_field.getText().toString().isEmpty() && password_field.isFocusable()) { + password_field.requestFocus(); + } + if (getArguments() != null && getArguments().containsKey(PASSWORD_INVALID_LENGTH)) { + password_field.setError(getResources().getString(R.string.error_not_valid_password_user_message)); + } + if(getArguments() != null && getArguments().getBoolean(EipServiceFragment.IS_EIP_PENDING, false)) { + is_eip_pending = true; + } + + + builder.setView(log_in_dialog_view) + .setPositiveButton(R.string.login_button, new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + String username = username_field.getText().toString(); + String password = password_field.getText().toString(); + dialog.dismiss(); + interface_with_Dashboard.authenticate(username, password); + } + }) + .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + dialog.cancel(); + } + }); + + return builder.create(); + } + + /** + * Interface used to communicate LogInDialog with Dashboard. + * + * @author parmegv + * + */ + public interface LogInDialogInterface { + /** + * Starts authentication process. + * @param username + * @param password + */ + public void authenticate(String username, String password); + public void cancelAuthedEipOn(); + } + + LogInDialogInterface interface_with_Dashboard; + + /** + * @return a new instance of this DialogFragment. + */ + public static DialogFragment newInstance() { + LogInDialog dialog_fragment = new LogInDialog(); + return dialog_fragment; + } + + @Override + public void onAttach(Activity activity) { + super.onAttach(activity); + try { + interface_with_Dashboard = (LogInDialogInterface) activity; + } catch (ClassCastException e) { + throw new ClassCastException(activity.toString() + + " must implement LogInDialogListener"); + } + } + + @Override + public void onCancel(DialogInterface dialog) { + if(is_eip_pending) + interface_with_Dashboard.cancelAuthedEipOn(); + super.onCancel(dialog); + } +} diff --git a/app/src/main/java/se/leap/bitmaskclient/NewProviderDialog.java b/app/src/main/java/se/leap/bitmaskclient/NewProviderDialog.java new file mode 100644 index 00000000..cf09c64b --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/NewProviderDialog.java @@ -0,0 +1,123 @@ +/** + * Copyright (c) 2013 LEAP Encryption Access Project and contributers + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + package se.leap.bitmaskclient; + +import se.leap.bitmaskclient.ProviderListContent.ProviderItem; +import se.leap.bitmaskclient.R; +import android.app.Activity; +import android.app.AlertDialog; +import android.app.Dialog; +import android.app.DialogFragment; +import android.content.DialogInterface; +import android.content.Intent; +import android.os.Bundle; +import android.view.LayoutInflater; +import android.view.View; +import android.widget.CheckBox; +import android.widget.EditText; +import android.widget.Toast; + +/** + * Implements the new custom provider dialog. + * + * @author parmegv + * + */ +public class NewProviderDialog extends DialogFragment { + + final public static String TAG = "newProviderDialog"; + + public interface NewProviderDialogInterface { + public void showAndSelectProvider(String url_provider, boolean danger_on); + } + + NewProviderDialogInterface interface_with_ConfigurationWizard; + + /** + * @return a new instance of this DialogFragment. + */ + public static DialogFragment newInstance() { + NewProviderDialog dialog_fragment = new NewProviderDialog(); + return dialog_fragment; + } + + @Override + public void onAttach(Activity activity) { + super.onAttach(activity); + try { + interface_with_ConfigurationWizard = (NewProviderDialogInterface) activity; + } catch (ClassCastException e) { + throw new ClassCastException(activity.toString() + + " must implement NoticeDialogListener"); + } + } + + @Override + public Dialog onCreateDialog(Bundle savedInstanceState) { + AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); + LayoutInflater inflater = getActivity().getLayoutInflater(); + View new_provider_dialog_view = inflater.inflate(R.layout.new_provider_dialog, null); + final EditText url_input_field = (EditText)new_provider_dialog_view.findViewById(R.id.new_provider_url); + if(getArguments() != null && getArguments().containsKey(Provider.MAIN_URL)) { + url_input_field.setText(getArguments().getString(Provider.MAIN_URL)); + } + final CheckBox danger_checkbox = (CheckBox)new_provider_dialog_view.findViewById(R.id.danger_checkbox); + if(getArguments() != null && getArguments().containsKey(ProviderItem.DANGER_ON)) { + danger_checkbox.setActivated(getArguments().getBoolean(ProviderItem.DANGER_ON)); + } + + builder.setView(new_provider_dialog_view) + .setMessage(R.string.introduce_new_provider) + .setPositiveButton(R.string.save, new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + String entered_url = url_input_field.getText().toString().trim(); + if(!entered_url.startsWith("https://")) { + if (entered_url.startsWith("http://")){ + entered_url = entered_url.substring("http://".length()); + } + entered_url = "https://".concat(entered_url); + } + boolean danger_on = danger_checkbox.isChecked(); + if(validURL(entered_url)) { + interface_with_ConfigurationWizard.showAndSelectProvider(entered_url, danger_on); + Toast.makeText(getActivity().getApplicationContext(), R.string.valid_url_entered, Toast.LENGTH_LONG).show(); + } else { + url_input_field.setText(""); + danger_checkbox.setChecked(false); + Toast.makeText(getActivity().getApplicationContext(), R.string.not_valid_url_entered, Toast.LENGTH_LONG).show();; + } + } + }) + .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + dialog.cancel(); + } + }); + // Create the AlertDialog object and return it + return builder.create(); + } + + /** + * Checks if the entered url is valid or not. + * @param entered_url + * @return true if it's not empty nor contains only the protocol. + */ + boolean validURL(String entered_url) { + //return !entered_url.isEmpty() && entered_url.matches("http[s]?://.+") && !entered_url.replaceFirst("http[s]?://", "").isEmpty(); + return android.util.Patterns.WEB_URL.matcher(entered_url).matches(); + } +} diff --git a/app/src/main/java/se/leap/bitmaskclient/PRNGFixes.java b/app/src/main/java/se/leap/bitmaskclient/PRNGFixes.java new file mode 100644 index 00000000..a046f01f --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/PRNGFixes.java @@ -0,0 +1,338 @@ +package se.leap.bitmaskclient; + +/* + * This software is provided 'as-is', without any express or implied + * warranty. In no event will Google be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, as long as the origin is not misrepresented. + * + * Source: http://android-developers.blogspot.de/2013/08/some-securerandom-thoughts.html + */ + +import android.os.Build; +import android.os.Process; +import android.util.Log; + +import java.io.ByteArrayOutputStream; +import java.io.DataInputStream; +import java.io.DataOutputStream; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.OutputStream; +import java.io.UnsupportedEncodingException; +import java.security.NoSuchAlgorithmException; +import java.security.Provider; +import java.security.SecureRandom; +import java.security.SecureRandomSpi; +import java.security.Security; + +/** + * Fixes for the output of the default PRNG having low entropy. + * + * The fixes need to be applied via {@link #apply()} before any use of Java + * Cryptography Architecture primitives. A good place to invoke them is in the + * application's {@code onCreate}. + */ +public final class PRNGFixes { + + private static final int VERSION_CODE_JELLY_BEAN = 16; + private static final int VERSION_CODE_JELLY_BEAN_MR2 = 18; + private static final byte[] BUILD_FINGERPRINT_AND_DEVICE_SERIAL = + getBuildFingerprintAndDeviceSerial(); + + /** Hidden constructor to prevent instantiation. */ + private PRNGFixes() {} + + /** + * Applies all fixes. + * + * @throws SecurityException if a fix is needed but could not be applied. + */ + public static void apply() { + applyOpenSSLFix(); + installLinuxPRNGSecureRandom(); + } + + /** + * Applies the fix for OpenSSL PRNG having low entropy. Does nothing if the + * fix is not needed. + * + * @throws SecurityException if the fix is needed but could not be applied. + */ + private static void applyOpenSSLFix() throws SecurityException { + if ((Build.VERSION.SDK_INT < VERSION_CODE_JELLY_BEAN) + || (Build.VERSION.SDK_INT > VERSION_CODE_JELLY_BEAN_MR2)) { + // No need to apply the fix + return; + } + + try { + // Mix in the device- and invocation-specific seed. + Class.forName("org.apache.harmony.xnet.provider.jsse.NativeCrypto") + .getMethod("RAND_seed", byte[].class) + .invoke(null, generateSeed()); + + // Mix output of Linux PRNG into OpenSSL's PRNG + int bytesRead = (Integer) Class.forName( + "org.apache.harmony.xnet.provider.jsse.NativeCrypto") + .getMethod("RAND_load_file", String.class, long.class) + .invoke(null, "/dev/urandom", 1024); + if (bytesRead != 1024) { + throw new IOException( + "Unexpected number of bytes read from Linux PRNG: " + + bytesRead); + } + } catch (Exception e) { + throw new SecurityException("Failed to seed OpenSSL PRNG", e); + } + } + + /** + * Installs a Linux PRNG-backed {@code SecureRandom} implementation as the + * default. Does nothing if the implementation is already the default or if + * there is not need to install the implementation. + * + * @throws SecurityException if the fix is needed but could not be applied. + */ + private static void installLinuxPRNGSecureRandom() + throws SecurityException { + if (Build.VERSION.SDK_INT > VERSION_CODE_JELLY_BEAN_MR2) { + // No need to apply the fix + return; + } + + // Install a Linux PRNG-based SecureRandom implementation as the + // default, if not yet installed. + Provider[] secureRandomProviders = + Security.getProviders("SecureRandom.SHA1PRNG"); + if ((secureRandomProviders == null) + || (secureRandomProviders.length < 1) + || (!LinuxPRNGSecureRandomProvider.class.equals( + secureRandomProviders[0].getClass()))) { + Security.insertProviderAt(new LinuxPRNGSecureRandomProvider(), 1); + } + + // Assert that new SecureRandom() and + // SecureRandom.getInstance("SHA1PRNG") return a SecureRandom backed + // by the Linux PRNG-based SecureRandom implementation. + SecureRandom rng1 = new SecureRandom(); + if (!LinuxPRNGSecureRandomProvider.class.equals( + rng1.getProvider().getClass())) { + throw new SecurityException( + "new SecureRandom() backed by wrong Provider: " + + rng1.getProvider().getClass()); + } + + SecureRandom rng2; + try { + rng2 = SecureRandom.getInstance("SHA1PRNG"); + } catch (NoSuchAlgorithmException e) { + throw new SecurityException("SHA1PRNG not available", e); + } + if (!LinuxPRNGSecureRandomProvider.class.equals( + rng2.getProvider().getClass())) { + throw new SecurityException( + "SecureRandom.getInstance(\"SHA1PRNG\") backed by wrong" + + " Provider: " + rng2.getProvider().getClass()); + } + } + + /** + * {@code Provider} of {@code SecureRandom} engines which pass through + * all requests to the Linux PRNG. + */ + private static class LinuxPRNGSecureRandomProvider extends Provider { + + public LinuxPRNGSecureRandomProvider() { + super("LinuxPRNG", + 1.0, + "A Linux-specific random number provider that uses" + + " /dev/urandom"); + // Although /dev/urandom is not a SHA-1 PRNG, some apps + // explicitly request a SHA1PRNG SecureRandom and we thus need to + // prevent them from getting the default implementation whose output + // may have low entropy. + put("SecureRandom.SHA1PRNG", LinuxPRNGSecureRandom.class.getName()); + put("SecureRandom.SHA1PRNG ImplementedIn", "Software"); + } + } + + /** + * {@link SecureRandomSpi} which passes all requests to the Linux PRNG + * ({@code /dev/urandom}). + */ + public static class LinuxPRNGSecureRandom extends SecureRandomSpi { + + /* + * IMPLEMENTATION NOTE: Requests to generate bytes and to mix in a seed + * are passed through to the Linux PRNG (/dev/urandom). Instances of + * this class seed themselves by mixing in the current time, PID, UID, + * build fingerprint, and hardware serial number (where available) into + * Linux PRNG. + * + * Concurrency: Read requests to the underlying Linux PRNG are + * serialized (on sLock) to ensure that multiple threads do not get + * duplicated PRNG output. + */ + + private static final File URANDOM_FILE = new File("/dev/urandom"); + + private static final Object sLock = new Object(); + + /** + * Input stream for reading from Linux PRNG or {@code null} if not yet + * opened. + * + * @GuardedBy("sLock") + */ + private static DataInputStream sUrandomIn; + + /** + * Output stream for writing to Linux PRNG or {@code null} if not yet + * opened. + * + * @GuardedBy("sLock") + */ + private static OutputStream sUrandomOut; + + /** + * Whether this engine instance has been seeded. This is needed because + * each instance needs to seed itself if the client does not explicitly + * seed it. + */ + private boolean mSeeded; + + @Override + protected void engineSetSeed(byte[] bytes) { + try { + OutputStream out; + synchronized (sLock) { + out = getUrandomOutputStream(); + } + out.write(bytes); + out.flush(); + } catch (IOException e) { + // On a small fraction of devices /dev/urandom is not writable. + // Log and ignore. + Log.w(PRNGFixes.class.getSimpleName(), + "Failed to mix seed into " + URANDOM_FILE); + } finally { + mSeeded = true; + } + } + + @Override + protected void engineNextBytes(byte[] bytes) { + if (!mSeeded) { + // Mix in the device- and invocation-specific seed. + engineSetSeed(generateSeed()); + } + + try { + DataInputStream in; + synchronized (sLock) { + in = getUrandomInputStream(); + } + synchronized (in) { + in.readFully(bytes); + } + } catch (IOException e) { + throw new SecurityException( + "Failed to read from " + URANDOM_FILE, e); + } + } + + @Override + protected byte[] engineGenerateSeed(int size) { + byte[] seed = new byte[size]; + engineNextBytes(seed); + return seed; + } + + private DataInputStream getUrandomInputStream() { + synchronized (sLock) { + if (sUrandomIn == null) { + // NOTE: Consider inserting a BufferedInputStream between + // DataInputStream and FileInputStream if you need higher + // PRNG output performance and can live with future PRNG + // output being pulled into this process prematurely. + try { + sUrandomIn = new DataInputStream( + new FileInputStream(URANDOM_FILE)); + } catch (IOException e) { + throw new SecurityException("Failed to open " + + URANDOM_FILE + " for reading", e); + } + } + return sUrandomIn; + } + } + + private OutputStream getUrandomOutputStream() throws IOException { + synchronized (sLock) { + if (sUrandomOut == null) { + sUrandomOut = new FileOutputStream(URANDOM_FILE); + } + return sUrandomOut; + } + } + } + + /** + * Generates a device- and invocation-specific seed to be mixed into the + * Linux PRNG. + */ + private static byte[] generateSeed() { + try { + ByteArrayOutputStream seedBuffer = new ByteArrayOutputStream(); + DataOutputStream seedBufferOut = + new DataOutputStream(seedBuffer); + seedBufferOut.writeLong(System.currentTimeMillis()); + seedBufferOut.writeLong(System.nanoTime()); + seedBufferOut.writeInt(Process.myPid()); + seedBufferOut.writeInt(Process.myUid()); + seedBufferOut.write(BUILD_FINGERPRINT_AND_DEVICE_SERIAL); + seedBufferOut.close(); + return seedBuffer.toByteArray(); + } catch (IOException e) { + throw new SecurityException("Failed to generate seed", e); + } + } + + /** + * Gets the hardware serial number of this device. + * + * @return serial number or {@code null} if not available. + */ + private static String getDeviceSerialNumber() { + // We're using the Reflection API because Build.SERIAL is only available + // since API Level 9 (Gingerbread, Android 2.3). + try { + return (String) Build.class.getField("SERIAL").get(null); + } catch (Exception ignored) { + return null; + } + } + + private static byte[] getBuildFingerprintAndDeviceSerial() { + StringBuilder result = new StringBuilder(); + String fingerprint = Build.FINGERPRINT; + if (fingerprint != null) { + result.append(fingerprint); + } + String serial = getDeviceSerialNumber(); + if (serial != null) { + result.append(serial); + } + try { + return result.toString().getBytes("UTF-8"); + } catch (UnsupportedEncodingException e) { + throw new RuntimeException("UTF-8 encoding not supported"); + } + } +} diff --git a/app/src/main/java/se/leap/bitmaskclient/Provider.java b/app/src/main/java/se/leap/bitmaskclient/Provider.java new file mode 100644 index 00000000..216f4261 --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/Provider.java @@ -0,0 +1,212 @@ +/** + * Copyright (c) 2013 LEAP Encryption Access Project and contributers + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ +package se.leap.bitmaskclient; + +import java.io.Serializable; +import java.util.Arrays; +import java.util.Locale; + +import org.json.JSONArray; +import org.json.JSONException; +import org.json.JSONObject; + +import android.content.Context; +import android.app.Activity; +import android.content.SharedPreferences; + +/** + * @author Sean Leonard + * + */ +public final class Provider implements Serializable { + + private static final long serialVersionUID = 6003835972151761353L; + + private static Provider instance = null; + + // We'll access our preferences here + private static SharedPreferences preferences = null; + // Represents our Provider's provider.json + private static JSONObject definition = null; + + final public static String + API_URL = "api_uri", + API_VERSION = "api_version", + ALLOW_REGISTRATION = "allow_registration", + API_RETURN_SERIAL = "serial", + SERVICE = "service", + KEY = "provider", + CA_CERT = "ca_cert", + NAME = "name", + DESCRIPTION = "description", + DOMAIN = "domain", + MAIN_URL = "main_url", + DOT_JSON_URL = "provider_json_url" + ; + + // Array of what API versions we understand + protected static final String[] API_VERSIONS = {"1"}; // I assume we might encounter arbitrary version "numbers" + // Some API pieces we want to know about + private static final String API_TERM_SERVICES = "services"; + private static final String API_TERM_NAME = "name"; + private static final String API_TERM_DOMAIN = "domain"; + private static final String API_TERM_DEFAULT_LANGUAGE = "default_language"; + protected static final String[] API_EIP_TYPES = {"openvpn"}; + + private static final String PREFS_EIP_NAME = null; + + + + // What, no individual fields?! We're going to gamble on org.json.JSONObject and JSONArray + // Supporting multiple API versions will probably break this paradigm, + // Forcing me to write a real constructor and rewrite getters/setters + // Also will refactor if i'm instantiating the same local variables all the time + + /** + * + */ + private Provider() {} + + protected static Provider getInstance(){ + if(instance==null){ + instance = new Provider(); + } + return instance; + } + + protected void init(Activity activity) { + + // Load our preferences from SharedPreferences + // If there's nothing there, we will end up returning a rather empty object + // to whoever called getInstance() and they can run the First Run Wizard + //preferences = context.getgetPreferences(0); // 0 == MODE_PRIVATE, but we don't extend Android's classes... + + // Load SharedPreferences + preferences = activity.getSharedPreferences(Dashboard.SHARED_PREFERENCES,Context.MODE_PRIVATE); + // Inflate our provider.json data + try { + definition = new JSONObject( preferences.getString(Provider.KEY, "") ); + } catch (JSONException e) { + // TODO: handle exception + + // FIXME!! We want "real" data!! + } + } + + protected String getDomain(){ + String domain = "Null"; + try { + domain = definition.getString(API_TERM_DOMAIN); + } catch (JSONException e) { + domain = "Null"; + e.printStackTrace(); + } + return domain; + } + + protected String getName(){ + // Should we pass the locale in, or query the system here? + String lang = Locale.getDefault().getLanguage(); + String name = "Null"; // Should it actually /be/ null, for error conditions? + try { + name = definition.getJSONObject(API_TERM_NAME).getString(lang); + } catch (JSONException e) { + // TODO: Nesting try/catch blocks? Crazy + // Maybe you should actually handle exception? + try { + name = definition.getJSONObject(API_TERM_NAME).getString( definition.getString(API_TERM_DEFAULT_LANGUAGE) ); + } catch (JSONException e2) { + // TODO: Will you handle the exception already? + } + } + + return name; + } + + protected String getDescription(){ + String lang = Locale.getDefault().getLanguage(); + String desc = null; + try { + desc = definition.getJSONObject("description").getString(lang); + } catch (JSONException e) { + // TODO: handle exception!! + try { + desc = definition.getJSONObject("description").getString( definition.getString("default_language") ); + } catch (JSONException e2) { + // TODO: i can't believe you're doing it again! + } + } + + return desc; + } + + protected boolean hasEIP() { + JSONArray services = null; + try { + services = definition.getJSONArray(API_TERM_SERVICES); // returns ["openvpn"] + } catch (Exception e) { + // TODO: handle exception + } + for (int i=0;i. + */ + package se.leap.bitmaskclient; + +import java.io.DataOutputStream; +import java.io.FileNotFoundException; +import java.io.IOException; +import java.io.InputStream; +import java.io.UnsupportedEncodingException; +import java.math.BigInteger; +import java.net.CookieHandler; +import java.net.CookieManager; +import java.net.CookiePolicy; +import java.net.MalformedURLException; +import java.net.SocketTimeoutException; +import java.net.URISyntaxException; +import java.net.URL; +import java.net.URLConnection; +import java.net.URLEncoder; +import java.net.UnknownHostException; +import java.security.KeyManagementException; +import java.security.KeyStore; +import java.security.KeyStoreException; +import java.security.NoSuchAlgorithmException; +import java.security.SecureRandom; +import java.security.cert.CertificateEncodingException; +import java.security.cert.CertificateException; +import java.security.cert.X509Certificate; +import java.security.interfaces.RSAPrivateKey; +import java.util.HashMap; +import java.util.Iterator; +import java.util.Map; +import java.util.Scanner; + +import javax.net.ssl.HostnameVerifier; +import javax.net.ssl.HttpsURLConnection; +import javax.net.ssl.KeyManager; +import javax.net.ssl.SSLContext; +import javax.net.ssl.SSLSession; +import javax.net.ssl.TrustManager; +import javax.net.ssl.TrustManagerFactory; +import javax.net.ssl.X509TrustManager; + +import org.apache.http.client.ClientProtocolException; +import org.jboss.security.srp.SRPParameters; +import org.json.JSONException; +import org.json.JSONObject; + +import se.leap.bitmaskclient.R; +import se.leap.bitmaskclient.ProviderListContent.ProviderItem; +import android.app.IntentService; +import android.content.Intent; +import android.os.Bundle; +import android.os.Handler; +import android.os.ResultReceiver; +import android.util.Base64; +import android.util.Log; + + +/** + * Implements HTTP api methods used to manage communications with the provider server. + * + * It's an IntentService because it downloads data from the Internet, so it operates in the background. + * + * @author parmegv + * @author MeanderingCode + * + */ +public class ProviderAPI extends IntentService { + + private Handler mHandler; + + final public static String + SET_UP_PROVIDER = "setUpProvider", + DOWNLOAD_NEW_PROVIDER_DOTJSON = "downloadNewProviderDotJSON", + SRP_REGISTER = "srpRegister", + SRP_AUTH = "srpAuth", + LOG_OUT = "logOut", + DOWNLOAD_CERTIFICATE = "downloadUserAuthedCertificate", + PARAMETERS = "parameters", + RESULT_KEY = "result", + RECEIVER_KEY = "receiver", + SESSION_ID_COOKIE_KEY = "session_id_cookie_key", + SESSION_ID_KEY = "session_id", + ERRORS = "errors", + UPDATE_PROGRESSBAR = "update_progressbar", + CURRENT_PROGRESS = "current_progress", + TAG = "provider_api_tag" + ; + + final public static int + CUSTOM_PROVIDER_ADDED = 0, + SRP_AUTHENTICATION_SUCCESSFUL = 3, + SRP_AUTHENTICATION_FAILED = 4, + SRP_REGISTRATION_SUCCESSFUL = 5, + SRP_REGISTRATION_FAILED = 6, + LOGOUT_SUCCESSFUL = 7, + LOGOUT_FAILED = 8, + CORRECTLY_DOWNLOADED_CERTIFICATE = 9, + INCORRECTLY_DOWNLOADED_CERTIFICATE = 10, + PROVIDER_OK = 11, + PROVIDER_NOK = 12, + CORRECTLY_DOWNLOADED_ANON_CERTIFICATE = 13, + INCORRECTLY_DOWNLOADED_ANON_CERTIFICATE = 14 + ; + + private static boolean + CA_CERT_DOWNLOADED = false, + PROVIDER_JSON_DOWNLOADED = false, + EIP_SERVICE_JSON_DOWNLOADED = false + ; + + private static String last_provider_main_url; + private static boolean last_danger_on = false; + private static boolean setting_up_provider = true; + + public static void stop() { + setting_up_provider = false; + } + + public ProviderAPI() { + super("ProviderAPI"); + Log.v("ClassName", "Provider API"); + } + + @Override + public void onCreate() { + super.onCreate(); + mHandler = new Handler(); + CookieHandler.setDefault(new CookieManager(null, CookiePolicy.ACCEPT_ORIGINAL_SERVER) ); + } + + public static String lastProviderMainUrl() { + return last_provider_main_url; + } + + public static boolean lastDangerOn() { + return last_danger_on; + } + + private String formatErrorMessage(final int toast_string_id) { + return "{ \"" + ERRORS + "\" : \""+getResources().getString(toast_string_id)+"\" }"; + } + + @Override + protected void onHandleIntent(Intent command) { + final ResultReceiver receiver = command.getParcelableExtra(RECEIVER_KEY); + String action = command.getAction(); + Bundle parameters = command.getBundleExtra(PARAMETERS); + setting_up_provider = true; + + if(action.equalsIgnoreCase(SET_UP_PROVIDER)) { + Bundle result = setUpProvider(parameters); + if(setting_up_provider) { + if(result.getBoolean(RESULT_KEY)) { + receiver.send(PROVIDER_OK, result); + } else { + receiver.send(PROVIDER_NOK, result); + } + } + } else if (action.equalsIgnoreCase(SRP_AUTH)) { + Bundle session_id_bundle = authenticateBySRP(parameters); + if(session_id_bundle.getBoolean(RESULT_KEY)) { + receiver.send(SRP_AUTHENTICATION_SUCCESSFUL, session_id_bundle); + } else { + receiver.send(SRP_AUTHENTICATION_FAILED, session_id_bundle); + } + } else if (action.equalsIgnoreCase(LOG_OUT)) { + if(logOut(parameters)) { + receiver.send(LOGOUT_SUCCESSFUL, Bundle.EMPTY); + } else { + receiver.send(LOGOUT_FAILED, Bundle.EMPTY); + } + } else if (action.equalsIgnoreCase(DOWNLOAD_CERTIFICATE)) { + if(getNewCert(parameters)) { + receiver.send(CORRECTLY_DOWNLOADED_CERTIFICATE, Bundle.EMPTY); + } else { + receiver.send(INCORRECTLY_DOWNLOADED_CERTIFICATE, Bundle.EMPTY); + } + } + } + + /** + * Starts the authentication process using SRP protocol. + * + * @param task containing: username, password and api url. + * @return a bundle with a boolean value mapped to a key named RESULT_KEY, and which is true if authentication was successful. + */ + private Bundle authenticateBySRP(Bundle task) { + Bundle session_id_bundle = new Bundle(); + int progress = 0; + + String username = (String) task.get(LogInDialog.USERNAME); + String password = (String) task.get(LogInDialog.PASSWORD); + if(validUserLoginData(username, password)) { + + String authentication_server = (String) task.get(Provider.API_URL); + + SRPParameters params = new SRPParameters(new BigInteger(ConfigHelper.NG_1024, 16).toByteArray(), ConfigHelper.G.toByteArray(), BigInteger.ZERO.toByteArray(), "SHA-256"); + LeapSRPSession client = new LeapSRPSession(username, password, params); + byte[] A = client.exponential(); + broadcast_progress(progress++); + try { + JSONObject saltAndB = sendAToSRPServer(authentication_server, username, new BigInteger(1, A).toString(16)); + if(saltAndB.length() > 0) { + String salt = saltAndB.getString(LeapSRPSession.SALT); + broadcast_progress(progress++); + byte[] Bbytes = new BigInteger(saltAndB.getString("B"), 16).toByteArray(); + byte[] M1 = client.response(new BigInteger(salt, 16).toByteArray(), Bbytes); + if(M1 != null) { + broadcast_progress(progress++); + JSONObject session_idAndM2 = sendM1ToSRPServer(authentication_server, username, M1); + if(session_idAndM2.has(LeapSRPSession.M2) && client.verify((byte[])session_idAndM2.get(LeapSRPSession.M2))) { + session_id_bundle.putBoolean(RESULT_KEY, true); + broadcast_progress(progress++); + } else { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_bad_user_password_user_message)); + session_id_bundle.putString(LogInDialog.USERNAME, username); + } + } else { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putString(LogInDialog.USERNAME, username); + session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_srp_math_error_user_message)); + } + broadcast_progress(progress++); + } else { + session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_bad_user_password_user_message)); + session_id_bundle.putString(LogInDialog.USERNAME, username); + session_id_bundle.putBoolean(RESULT_KEY, false); + } + } catch (ClientProtocolException e) { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_client_http_user_message)); + session_id_bundle.putString(LogInDialog.USERNAME, username); + } catch (IOException e) { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_io_exception_user_message)); + session_id_bundle.putString(LogInDialog.USERNAME, username); + } catch (JSONException e) { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_json_exception_user_message)); + session_id_bundle.putString(LogInDialog.USERNAME, username); + } catch (NoSuchAlgorithmException e) { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_no_such_algorithm_exception_user_message)); + session_id_bundle.putString(LogInDialog.USERNAME, username); + } catch (KeyManagementException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (KeyStoreException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (CertificateException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } else { + if(!wellFormedPassword(password)) { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putString(LogInDialog.USERNAME, username); + session_id_bundle.putBoolean(LogInDialog.PASSWORD_INVALID_LENGTH, true); + } + if(username.isEmpty()) { + session_id_bundle.putBoolean(RESULT_KEY, false); + session_id_bundle.putBoolean(LogInDialog.USERNAME_MISSING, true); + } + } + + return session_id_bundle; + } + + /** + * Sets up an intent with the progress value passed as a parameter + * and sends it as a broadcast. + * @param progress + */ + private void broadcast_progress(int progress) { + Intent intentUpdate = new Intent(); + intentUpdate.setAction(UPDATE_PROGRESSBAR); + intentUpdate.addCategory(Intent.CATEGORY_DEFAULT); + intentUpdate.putExtra(CURRENT_PROGRESS, progress); + sendBroadcast(intentUpdate); + } + + /** + * Validates parameters entered by the user to log in + * @param entered_username + * @param entered_password + * @return true if both parameters are present and the entered password length is greater or equal to eight (8). + */ + private boolean validUserLoginData(String entered_username, String entered_password) { + return !(entered_username.isEmpty()) && wellFormedPassword(entered_password); + } + + /** + * Validates a password + * @param entered_password + * @return true if the entered password length is greater or equal to eight (8). + */ + private boolean wellFormedPassword(String entered_password) { + return entered_password.length() >= 8; + } + + /** + * Sends an HTTP POST request to the authentication server with the SRP Parameter A. + * @param server_url + * @param username + * @param clientA First SRP parameter sent + * @return response from authentication server + * @throws ClientProtocolException + * @throws IOException + * @throws JSONException + * @throws CertificateException + * @throws NoSuchAlgorithmException + * @throws KeyStoreException + * @throws KeyManagementException + */ + private JSONObject sendAToSRPServer(String server_url, String username, String clientA) throws ClientProtocolException, IOException, JSONException, KeyManagementException, KeyStoreException, NoSuchAlgorithmException, CertificateException { + Map parameters = new HashMap(); + parameters.put("login", username); + parameters.put("A", clientA); + return sendToServer(server_url + "/sessions.json", "POST", parameters); + + /*HttpPost post = new HttpPost(server_url + "/sessions.json" + "?" + "login=" + username + "&&" + "A=" + clientA); + return sendToServer(post);*/ + } + + /** + * Sends an HTTP PUT request to the authentication server with the SRP Parameter M1 (or simply M). + * @param server_url + * @param username + * @param m1 Second SRP parameter sent + * @return response from authentication server + * @throws ClientProtocolException + * @throws IOException + * @throws JSONException + * @throws CertificateException + * @throws NoSuchAlgorithmException + * @throws KeyStoreException + * @throws KeyManagementException + */ + private JSONObject sendM1ToSRPServer(String server_url, String username, byte[] m1) throws ClientProtocolException, IOException, JSONException, KeyManagementException, KeyStoreException, NoSuchAlgorithmException, CertificateException { + Map parameters = new HashMap(); + parameters.put("client_auth", new BigInteger(1, ConfigHelper.trim(m1)).toString(16)); + + //HttpPut put = new HttpPut(server_url + "/sessions/" + username +".json" + "?" + "client_auth" + "=" + new BigInteger(1, ConfigHelper.trim(m1)).toString(16)); + JSONObject json_response = sendToServer(server_url + "/sessions/" + username +".json", "PUT", parameters); + + JSONObject session_idAndM2 = new JSONObject(); + if(json_response.length() > 0) { + byte[] M2_not_trimmed = new BigInteger(json_response.getString(LeapSRPSession.M2), 16).toByteArray(); + /*Cookie session_id_cookie = LeapHttpClient.getInstance(getApplicationContext()).getCookieStore().getCookies().get(0); + session_idAndM2.put(ConfigHelper.SESSION_ID_COOKIE_KEY, session_id_cookie.getName()); + session_idAndM2.put(ConfigHelper.SESSION_ID_KEY, session_id_cookie.getValue());*/ + session_idAndM2.put(LeapSRPSession.M2, ConfigHelper.trim(M2_not_trimmed)); + CookieHandler.setDefault(null); // we don't need cookies anymore + String token = json_response.getString(LeapSRPSession.TOKEN); + LeapSRPSession.setToken(token); + } + return session_idAndM2; + } + + /** + * Executes an HTTP request expecting a JSON response. + * @param url + * @param request_method + * @param parameters + * @return response from authentication server + * @throws IOException + * @throws JSONException + * @throws MalformedURLException + * @throws CertificateException + * @throws NoSuchAlgorithmException + * @throws KeyStoreException + * @throws KeyManagementException + */ + private JSONObject sendToServer(String url, String request_method, Map parameters) throws JSONException, MalformedURLException, IOException, KeyManagementException, KeyStoreException, NoSuchAlgorithmException, CertificateException { + JSONObject json_response; + InputStream is = null; + HttpsURLConnection urlConnection = (HttpsURLConnection)new URL(url).openConnection(); + urlConnection.setRequestMethod(request_method); + urlConnection.setChunkedStreamingMode(0); + urlConnection.setSSLSocketFactory(getProviderSSLSocketFactory()); + try { + + DataOutputStream writer = new DataOutputStream(urlConnection.getOutputStream()); + writer.writeBytes(formatHttpParameters(parameters)); + writer.close(); + + is = urlConnection.getInputStream(); + String plain_response = new Scanner(is).useDelimiter("\\A").next(); + json_response = new JSONObject(plain_response); + } finally { + InputStream error_stream = urlConnection.getErrorStream(); + if(error_stream != null) { + String error_response = new Scanner(error_stream).useDelimiter("\\A").next(); + urlConnection.disconnect(); + Log.d("Error", error_response); + json_response = new JSONObject(error_response); + if(!json_response.isNull(ERRORS) || json_response.has(ERRORS)) { + return new JSONObject(); + } + } + } + + return json_response; + } + + private String formatHttpParameters(Map parameters) throws UnsupportedEncodingException { + StringBuilder result = new StringBuilder(); + boolean first = true; + + Iterator parameter_iterator = parameters.keySet().iterator(); + while(parameter_iterator.hasNext()) { + if(first) + first = false; + else + result.append("&&"); + + String key = parameter_iterator.next(); + String value = parameters.get(key); + + result.append(URLEncoder.encode(key, "UTF-8")); + result.append("="); + result.append(URLEncoder.encode(value, "UTF-8")); + } + + return result.toString(); + } + + + + + /** + * Downloads a provider.json from a given URL, adding a new provider using the given name. + * @param task containing a boolean meaning if the provider is custom or not, another boolean meaning if the user completely trusts this provider, the provider name and its provider.json url. + * @return a bundle with a boolean value mapped to a key named RESULT_KEY, and which is true if the update was successful. + */ + private Bundle setUpProvider(Bundle task) { + int progress = 0; + Bundle current_download = new Bundle(); + + if(task != null && task.containsKey(ProviderItem.DANGER_ON) && task.containsKey(Provider.MAIN_URL)) { + last_danger_on = task.getBoolean(ProviderItem.DANGER_ON); + last_provider_main_url = task.getString(Provider.MAIN_URL); + CA_CERT_DOWNLOADED = PROVIDER_JSON_DOWNLOADED = EIP_SERVICE_JSON_DOWNLOADED = false; + } + + if(!CA_CERT_DOWNLOADED) + current_download = downloadCACert(last_provider_main_url, last_danger_on); + if(CA_CERT_DOWNLOADED || (current_download.containsKey(RESULT_KEY) && current_download.getBoolean(RESULT_KEY))) { + broadcast_progress(progress++); + CA_CERT_DOWNLOADED = true; + if(!PROVIDER_JSON_DOWNLOADED) + current_download = getAndSetProviderJson(last_provider_main_url); + if(PROVIDER_JSON_DOWNLOADED || (current_download.containsKey(RESULT_KEY) && current_download.getBoolean(RESULT_KEY))) { + broadcast_progress(progress++); + PROVIDER_JSON_DOWNLOADED = true; + current_download = getAndSetEipServiceJson(); + if(current_download.containsKey(RESULT_KEY) && current_download.getBoolean(RESULT_KEY)) { + broadcast_progress(progress++); + EIP_SERVICE_JSON_DOWNLOADED = true; + } + } + } + + return current_download; + } + + private Bundle downloadCACert(String provider_main_url, boolean danger_on) { + Bundle result = new Bundle(); + String cert_string = downloadWithCommercialCA(provider_main_url + "/ca.crt", danger_on); + + if(validCertificate(cert_string) && setting_up_provider) { + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putString(Provider.CA_CERT, cert_string).commit(); + result.putBoolean(RESULT_KEY, true); + } else { + String reason_to_fail = pickErrorMessage(cert_string); + result.putString(ERRORS, reason_to_fail); + result.putBoolean(RESULT_KEY, false); + } + + return result; + } + + + public static boolean caCertDownloaded() { + return CA_CERT_DOWNLOADED; + } + + private boolean validCertificate(String cert_string) { + boolean result = false; + if(!ConfigHelper.checkErroneousDownload(cert_string)) { + X509Certificate certCert = ConfigHelper.parseX509CertificateFromString(cert_string); + try { + Base64.encodeToString( certCert.getEncoded(), Base64.DEFAULT); + result = true; + } catch (CertificateEncodingException e) { + Log.d(TAG, e.getLocalizedMessage()); + } + } + + return result; + } + + private Bundle getAndSetProviderJson(String provider_main_url) { + Bundle result = new Bundle(); + + if(setting_up_provider) { + String provider_dot_json_string = downloadWithProviderCA(provider_main_url + "/provider.json", true); + + try { + JSONObject provider_json = new JSONObject(provider_dot_json_string); + String name = provider_json.getString(Provider.NAME); + //TODO setProviderName(name); + + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putString(Provider.KEY, provider_json.toString()).commit(); + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putBoolean(EIP.ALLOWED_ANON, provider_json.getJSONObject(Provider.SERVICE).getBoolean(EIP.ALLOWED_ANON)).commit(); + + result.putBoolean(RESULT_KEY, true); + } catch (JSONException e) { + //TODO Error message should be contained in that provider_dot_json_string + String reason_to_fail = pickErrorMessage(provider_dot_json_string); + result.putString(ERRORS, reason_to_fail); + result.putBoolean(RESULT_KEY, false); + } + } + return result; + } + + + + public static boolean providerJsonDownloaded() { + return PROVIDER_JSON_DOWNLOADED; + } + + private Bundle getAndSetEipServiceJson() { + Bundle result = new Bundle(); + String eip_service_json_string = ""; + if(setting_up_provider) { + try { + JSONObject provider_json = new JSONObject(getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).getString(Provider.KEY, "")); + String eip_service_url = provider_json.getString(Provider.API_URL) + "/" + provider_json.getString(Provider.API_VERSION) + "/" + EIP.SERVICE_API_PATH; + eip_service_json_string = downloadWithProviderCA(eip_service_url, true); + JSONObject eip_service_json = new JSONObject(eip_service_json_string); + eip_service_json.getInt(Provider.API_RETURN_SERIAL); + + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putString(EIP.KEY, eip_service_json.toString()).commit(); + + result.putBoolean(RESULT_KEY, true); + } catch (JSONException e) { + String reason_to_fail = pickErrorMessage(eip_service_json_string); + result.putString(ERRORS, reason_to_fail); + result.putBoolean(RESULT_KEY, false); + } + } + return result; + } + + public static boolean eipServiceDownloaded() { + return EIP_SERVICE_JSON_DOWNLOADED; + } + + /** + * Interprets the error message as a JSON object and extract the "errors" keyword pair. + * If the error message is not a JSON object, then it is returned untouched. + * @param string_json_error_message + * @return final error message + */ + private String pickErrorMessage(String string_json_error_message) { + String error_message = ""; + try { + JSONObject json_error_message = new JSONObject(string_json_error_message); + error_message = json_error_message.getString(ERRORS); + } catch (JSONException e) { + // TODO Auto-generated catch block + error_message = string_json_error_message; + } + + return error_message; + } + + /** + * Tries to download the contents of the provided url using commercially validated CA certificate from chosen provider. + * + * If danger_on flag is true, SSL exceptions will be managed by futher methods that will try to use some bypass methods. + * @param string_url + * @param danger_on if the user completely trusts this provider + * @return + */ + private String downloadWithCommercialCA(String string_url, boolean danger_on) { + + String json_file_content = ""; + + URL provider_url = null; + int seconds_of_timeout = 1; + try { + provider_url = new URL(string_url); + URLConnection url_connection = provider_url.openConnection(); + url_connection.setConnectTimeout(seconds_of_timeout*1000); + if(!LeapSRPSession.getToken().isEmpty()) + url_connection.addRequestProperty(LeapSRPSession.AUTHORIZATION_HEADER, "Token token = " + LeapSRPSession.getToken()); + json_file_content = new Scanner(url_connection.getInputStream()).useDelimiter("\\A").next(); + } catch (MalformedURLException e) { + json_file_content = formatErrorMessage(R.string.malformed_url); + } catch(SocketTimeoutException e) { + json_file_content = formatErrorMessage(R.string.server_unreachable_message); + } catch (IOException e) { + if(provider_url != null) { + json_file_content = downloadWithProviderCA(string_url, danger_on); + } else { + json_file_content = formatErrorMessage(R.string.certificate_error); + } + } catch (Exception e) { + if(provider_url != null && danger_on) { + json_file_content = downloadWithProviderCA(string_url, danger_on); + } + } + + return json_file_content; + } + + /** + * Tries to download the contents of the provided url using not commercially validated CA certificate from chosen provider. + * @param url as a string + * @param danger_on true to download CA certificate in case it has not been downloaded. + * @return an empty string if it fails, the url content if not. + */ + private String downloadWithProviderCA(String url_string, boolean danger_on) { + String json_file_content = ""; + + try { + URL url = new URL(url_string); + // Tell the URLConnection to use a SocketFactory from our SSLContext + HttpsURLConnection urlConnection = + (HttpsURLConnection)url.openConnection(); + urlConnection.setSSLSocketFactory(getProviderSSLSocketFactory()); + if(!LeapSRPSession.getToken().isEmpty()) + urlConnection.addRequestProperty(LeapSRPSession.AUTHORIZATION_HEADER, "Token token=" + LeapSRPSession.getToken()); + json_file_content = new Scanner(urlConnection.getInputStream()).useDelimiter("\\A").next(); + } catch (CertificateException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (UnknownHostException e) { + json_file_content = formatErrorMessage(R.string.server_unreachable_message); + } catch (IOException e) { + // The downloaded certificate doesn't validate our https connection. + if(danger_on) { + json_file_content = downloadWithoutCA(url_string); + } else { + json_file_content = formatErrorMessage(R.string.certificate_error); + } + } catch (KeyStoreException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (NoSuchAlgorithmException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (KeyManagementException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + return json_file_content; + } + + private javax.net.ssl.SSLSocketFactory getProviderSSLSocketFactory() throws KeyStoreException, NoSuchAlgorithmException, CertificateException, IOException, KeyManagementException { + String provider_cert_string = getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).getString(Provider.CA_CERT,""); + + java.security.cert.Certificate provider_certificate = ConfigHelper.parseX509CertificateFromString(provider_cert_string); + + // Create a KeyStore containing our trusted CAs + String keyStoreType = KeyStore.getDefaultType(); + KeyStore keyStore = KeyStore.getInstance(keyStoreType); + keyStore.load(null, null); + keyStore.setCertificateEntry("provider_ca_certificate", provider_certificate); + + // Create a TrustManager that trusts the CAs in our KeyStore + String tmfAlgorithm = TrustManagerFactory.getDefaultAlgorithm(); + TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmfAlgorithm); + tmf.init(keyStore); + + // Create an SSLContext that uses our TrustManager + SSLContext context = SSLContext.getInstance("TLS"); + context.init(null, tmf.getTrustManagers(), null); + + return context.getSocketFactory(); + } + + /** + * Downloads the string that's in the url with any certificate. + */ + private String downloadWithoutCA(String url_string) { + String string = ""; + try { + + HostnameVerifier hostnameVerifier = new HostnameVerifier() { + @Override + public boolean verify(String hostname, SSLSession session) { + return true; + } + }; + + class DefaultTrustManager implements X509TrustManager { + + @Override + public void checkClientTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {} + + @Override + public void checkServerTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {} + + @Override + public X509Certificate[] getAcceptedIssuers() { + return null; + } + } + + SSLContext context = SSLContext.getInstance("TLS"); + context.init(new KeyManager[0], new TrustManager[] {new DefaultTrustManager()}, new SecureRandom()); + + URL url = new URL(url_string); + HttpsURLConnection urlConnection = (HttpsURLConnection)url.openConnection(); + urlConnection.setSSLSocketFactory(context.getSocketFactory()); + urlConnection.setHostnameVerifier(hostnameVerifier); + string = new Scanner(urlConnection.getInputStream()).useDelimiter("\\A").next(); + System.out.println("String ignoring certificate = " + string); + } catch (FileNotFoundException e) { + e.printStackTrace(); + string = formatErrorMessage(R.string.server_unreachable_message); + } catch (IOException e) { + // The downloaded certificate doesn't validate our https connection. + e.printStackTrace(); + string = formatErrorMessage(R.string.certificate_error); + } catch (NoSuchAlgorithmException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (KeyManagementException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + return string; + } + + /** + * Logs out from the api url retrieved from the task. + * @param task containing api url from which the user will log out + * @return true if there were no exceptions + */ + private boolean logOut(Bundle task) { + try { + String delete_url = task.getString(Provider.API_URL) + "/logout"; + int progress = 0; + + HttpsURLConnection urlConnection = (HttpsURLConnection)new URL(delete_url).openConnection(); + urlConnection.setRequestMethod("DELETE"); + urlConnection.setSSLSocketFactory(getProviderSSLSocketFactory()); + + int responseCode = urlConnection.getResponseCode(); + broadcast_progress(progress++); + LeapSRPSession.setToken(""); + Log.d(TAG, Integer.toString(responseCode)); + } catch (ClientProtocolException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + return false; + } catch (IndexOutOfBoundsException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + return false; + } catch (IOException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + return false; + } catch (KeyManagementException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (KeyStoreException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (NoSuchAlgorithmException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (CertificateException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + return true; + } + + /** + * Downloads a new OpenVPN certificate, attaching authenticated cookie for authenticated certificate. + * + * @param task containing the type of the certificate to be downloaded + * @return true if certificate was downloaded correctly, false if provider.json or danger_on flag are not present in SharedPreferences, or if the certificate url could not be parsed as a URI, or if there was an SSL error. + */ + private boolean getNewCert(Bundle task) { + + try { + String type_of_certificate = task.getString(ConfigurationWizard.TYPE_OF_CERTIFICATE); + JSONObject provider_json = new JSONObject(getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).getString(Provider.KEY, "")); + + String provider_main_url = provider_json.getString(Provider.API_URL); + URL new_cert_string_url = new URL(provider_main_url + "/" + provider_json.getString(Provider.API_VERSION) + "/" + EIP.CERTIFICATE); + + boolean danger_on = getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).getBoolean(ProviderItem.DANGER_ON, false); + + String cert_string = downloadWithProviderCA(new_cert_string_url.toString(), danger_on); + + if(!cert_string.isEmpty()) { + if(ConfigHelper.checkErroneousDownload(cert_string)) { + String reason_to_fail = provider_json.getString(ERRORS); + //result.putString(ConfigHelper.ERRORS_KEY, reason_to_fail); + //result.putBoolean(ConfigHelper.RESULT_KEY, false); + return false; + } else { + + // API returns concatenated cert & key. Split them for OpenVPN options + String certificateString = null, keyString = null; + String[] certAndKey = cert_string.split("(?<=-\n)"); + for (int i=0; i < certAndKey.length-1; i++){ + if ( certAndKey[i].contains("KEY") ) { + keyString = certAndKey[i++] + certAndKey[i]; + } + else if ( certAndKey[i].contains("CERTIFICATE") ) { + certificateString = certAndKey[i++] + certAndKey[i]; + } + } + try { + RSAPrivateKey keyCert = ConfigHelper.parseRsaKeyFromString(keyString); + keyString = Base64.encodeToString( keyCert.getEncoded(), Base64.DEFAULT ); + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putString(EIP.PRIVATE_KEY, "-----BEGIN RSA PRIVATE KEY-----\n"+keyString+"-----END RSA PRIVATE KEY-----").commit(); + + X509Certificate certCert = ConfigHelper.parseX509CertificateFromString(certificateString); + certificateString = Base64.encodeToString( certCert.getEncoded(), Base64.DEFAULT); + getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putString(EIP.CERTIFICATE, "-----BEGIN CERTIFICATE-----\n"+certificateString+"-----END CERTIFICATE-----").commit(); + + return true; + } catch (CertificateException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + return false; + } + } + } else { + return false; + } + } catch (IOException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + return false; + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + return false; + } /*catch (URISyntaxException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + return false; + }*/ + } +} diff --git a/app/src/main/java/se/leap/bitmaskclient/ProviderAPIResultReceiver.java b/app/src/main/java/se/leap/bitmaskclient/ProviderAPIResultReceiver.java new file mode 100644 index 00000000..7b256124 --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/ProviderAPIResultReceiver.java @@ -0,0 +1,56 @@ +/** + * Copyright (c) 2013 LEAP Encryption Access Project and contributers + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + package se.leap.bitmaskclient; + +import android.os.Bundle; +import android.os.Handler; +import android.os.ResultReceiver; + +/** + * Implements the ResultReceiver needed by Activities using ProviderAPI to receive the results of its operations. + * @author parmegv + * + */ +public class ProviderAPIResultReceiver extends ResultReceiver { + private Receiver mReceiver; + + public ProviderAPIResultReceiver(Handler handler) { + super(handler); + // TODO Auto-generated constructor stub + } + + public void setReceiver(Receiver receiver) { + mReceiver = receiver; + } + + /** + * Interface to enable ProviderAPIResultReceiver to receive results from the ProviderAPI IntentService. + * @author parmegv + * + */ + public interface Receiver { + public void onReceiveResult(int resultCode, Bundle resultData); + } + + @Override + protected void onReceiveResult(int resultCode, Bundle resultData) { + if (mReceiver != null) { + mReceiver.onReceiveResult(resultCode, resultData); + } + } + +} diff --git a/app/src/main/java/se/leap/bitmaskclient/ProviderDetailFragment.java b/app/src/main/java/se/leap/bitmaskclient/ProviderDetailFragment.java new file mode 100644 index 00000000..c067ce2b --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/ProviderDetailFragment.java @@ -0,0 +1,115 @@ +package se.leap.bitmaskclient; + +import org.json.JSONException; +import org.json.JSONObject; + +import se.leap.bitmaskclient.R; +import se.leap.bitmaskclient.ProviderListContent.ProviderItem; + +import android.app.Activity; +import android.app.AlertDialog; +import android.app.Dialog; +import android.app.DialogFragment; +import android.content.DialogInterface; +import android.content.SharedPreferences; +import android.os.Bundle; +import android.view.LayoutInflater; +import android.view.View; +import android.widget.TextView; + +public class ProviderDetailFragment extends DialogFragment { + + final public static String TAG = "providerDetailFragment"; + + @Override + public Dialog onCreateDialog(Bundle savedInstanceState) { + AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); + try { + + LayoutInflater inflater = getActivity().getLayoutInflater(); + View provider_detail_view = inflater.inflate(R.layout.provider_detail_fragment, null); + + JSONObject provider_json = new JSONObject(getActivity().getSharedPreferences(Dashboard.SHARED_PREFERENCES, getActivity().MODE_PRIVATE).getString(Provider.KEY, "")); + + final TextView domain = (TextView)provider_detail_view.findViewById(R.id.provider_detail_domain); + domain.setText(provider_json.getString(Provider.DOMAIN)); + final TextView name = (TextView)provider_detail_view.findViewById(R.id.provider_detail_name); + name.setText(provider_json.getJSONObject(Provider.NAME).getString("en")); + final TextView description = (TextView)provider_detail_view.findViewById(R.id.provider_detail_description); + description.setText(provider_json.getJSONObject(Provider.DESCRIPTION).getString("en")); + + builder.setView(provider_detail_view); + builder.setTitle(R.string.provider_details_fragment_title); + + if(anon_allowed(provider_json)) { + builder.setPositiveButton(R.string.use_anonymously_button, new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + interface_with_configuration_wizard.use_anonymously(); + } + }); + } + + if(registration_allowed(provider_json)) { + builder.setNegativeButton(R.string.login_button, new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + interface_with_configuration_wizard.login(); + } + }); + } + + return builder.create(); + } catch (JSONException e) { + return null; + } + } + + private boolean anon_allowed(JSONObject provider_json) { + try { + JSONObject service_description = provider_json.getJSONObject(Provider.SERVICE); + return service_description.has(EIP.ALLOWED_ANON) && service_description.getBoolean(EIP.ALLOWED_ANON); + } catch (JSONException e) { + return false; + } + } + + private boolean registration_allowed(JSONObject provider_json) { + try { + JSONObject service_description = provider_json.getJSONObject(Provider.SERVICE); + return service_description.has(Provider.ALLOW_REGISTRATION) && service_description.getBoolean(Provider.ALLOW_REGISTRATION); + } catch (JSONException e) { + return false; + } + } + + @Override + public void onCancel(DialogInterface dialog) { + super.onCancel(dialog); + SharedPreferences.Editor editor = getActivity().getSharedPreferences(Dashboard.SHARED_PREFERENCES, Activity.MODE_PRIVATE).edit(); + editor.remove(Provider.KEY).remove(ProviderItem.DANGER_ON).remove(EIP.ALLOWED_ANON).remove(EIP.KEY).commit(); + interface_with_configuration_wizard.showAllProviders(); + } + + public static DialogFragment newInstance() { + ProviderDetailFragment provider_detail_fragment = new ProviderDetailFragment(); + return provider_detail_fragment; + } + + @Override + public void onAttach(Activity activity) { + super.onAttach(activity); + try { + interface_with_configuration_wizard = (ProviderDetailFragmentInterface) activity; + } catch (ClassCastException e) { + throw new ClassCastException(activity.toString() + + " must implement LogInDialogListener"); + } + } + + public interface ProviderDetailFragmentInterface { + public void login(); + public void use_anonymously(); + public void showAllProviders(); + } + + ProviderDetailFragmentInterface interface_with_configuration_wizard; +} diff --git a/app/src/main/java/se/leap/bitmaskclient/ProviderListAdapter.java b/app/src/main/java/se/leap/bitmaskclient/ProviderListAdapter.java new file mode 100644 index 00000000..43bba085 --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/ProviderListAdapter.java @@ -0,0 +1,114 @@ +package se.leap.bitmaskclient; + +import java.util.List; + +import android.content.Context; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.ArrayAdapter; +import android.widget.TwoLineListItem; + +public class ProviderListAdapter extends ArrayAdapter { + private static boolean[] hidden = null; + + public void hide(int position) { + hidden[getRealPosition(position)] = true; + notifyDataSetChanged(); + notifyDataSetInvalidated(); + } + + public void unHide(int position) { + hidden[getRealPosition(position)] = false; + notifyDataSetChanged(); + notifyDataSetInvalidated(); + } + + public void unHideAll() { + for (int provider_index = 0; provider_index < hidden.length; provider_index++) + hidden[provider_index] = false; + } + + private int getRealPosition(int position) { + int hElements = getHiddenCountUpTo(position); + int diff = 0; + for(int i=0;i objects) { + super(mContext, layout, objects); + if(hidden == null) { + hidden = new boolean[objects.size()]; + for (int i = 0; i < objects.size(); i++) + hidden[i] = false; + } + } + + public ProviderListAdapter(Context mContext, int layout, List objects, boolean show_all_providers) { + super(mContext, layout, objects); + if(show_all_providers) { + hidden = new boolean[objects.size()]; + for (int i = 0; i < objects.size(); i++) + hidden[i] = false; + } + } + + @Override + public void add(T item) { + super.add(item); + boolean[] new_hidden = new boolean[hidden.length+1]; + System.arraycopy(hidden, 0, new_hidden, 0, hidden.length); + new_hidden[hidden.length] = false; + hidden = new_hidden; + } + + @Override + public void remove(T item) { + super.remove(item); + boolean[] new_hidden = new boolean[hidden.length-1]; + System.arraycopy(hidden, 0, new_hidden, 0, hidden.length-1); + hidden = new_hidden; + } + + @Override + public View getView(int index, View convertView, ViewGroup parent) { + TwoLineListItem row; + int position = getRealPosition(index); + if (convertView == null) { + LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE); + row = (TwoLineListItem)inflater.inflate(R.layout.provider_list_item, null); + } else { + row = (TwoLineListItem)convertView; + } + ProviderListContent.ProviderItem data = ProviderListContent.ITEMS.get(position); + row.getText1().setText(data.domain()); + row.getText2().setText(data.name()); + + return row; + } +} diff --git a/app/src/main/java/se/leap/bitmaskclient/ProviderListContent.java b/app/src/main/java/se/leap/bitmaskclient/ProviderListContent.java new file mode 100644 index 00000000..e1ca4f9a --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/ProviderListContent.java @@ -0,0 +1,112 @@ +/** + * Copyright (c) 2013 LEAP Encryption Access Project and contributers + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + package se.leap.bitmaskclient; + +import java.io.IOException; +import java.io.InputStream; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.net.URL; +import java.net.MalformedURLException; + +import org.json.JSONException; +import org.json.JSONObject; + +/** + * Models the provider list shown in the ConfigurationWizard. + * + * @author parmegv + * + */ +public class ProviderListContent { + + public static List ITEMS = new ArrayList(); + + public static Map ITEM_MAP = new HashMap(); + + /** + * Adds a new provider item to the end of the items map, and to the items list. + * @param item + */ + public static void addItem(ProviderItem item) { + ITEMS.add(item); + ITEM_MAP.put(String.valueOf(ITEMS.size()), item); + } + public static void removeItem(ProviderItem item) { + ITEMS.remove(item); + ITEM_MAP.remove(item); + } + + /** + * A provider item. + */ + public static class ProviderItem { + final public static String CUSTOM = "custom"; + final public static String DANGER_ON = "danger_on"; + private String provider_main_url; + private String name; + + /** + * @param name of the provider + * @param urls_file_input_stream file input stream linking with the assets url file + * @param custom if it's a new provider entered by the user or not + * @param danger_on if the user trusts completely the new provider + */ + public ProviderItem(String name, InputStream urls_file_input_stream) { + + try { + byte[] urls_file_bytes = new byte[urls_file_input_stream.available()]; + urls_file_input_stream.read(urls_file_bytes); + String urls_file_content = new String(urls_file_bytes); + JSONObject file_contents = new JSONObject(urls_file_content); + provider_main_url = file_contents.getString(Provider.MAIN_URL); + this.name = name; + } catch (JSONException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (IOException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + + /** + * @param name of the provider + * @param provider_main_url used to download provider.json file of the provider + * @param provider_json already downloaded + * @param custom if it's a new provider entered by the user or not + */ + public ProviderItem(String name, String provider_main_url) { + this.name = name; + this.provider_main_url = provider_main_url; + } + + public String name() { return name; } + + public String providerMainUrl() { return provider_main_url; } + + public String domain() { + try { + return new URL(provider_main_url).getHost(); + } catch (MalformedURLException e) { + return provider_main_url.replaceFirst("http[s]?://", "").replaceFirst("/.*", ""); + } + } + } +} diff --git a/app/src/main/java/se/leap/bitmaskclient/ProviderListFragment.java b/app/src/main/java/se/leap/bitmaskclient/ProviderListFragment.java new file mode 100644 index 00000000..db414d87 --- /dev/null +++ b/app/src/main/java/se/leap/bitmaskclient/ProviderListFragment.java @@ -0,0 +1,234 @@ +/** + * Copyright (c) 2013 LEAP Encryption Access Project and contributers + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + package se.leap.bitmaskclient; + +import se.leap.bitmaskclient.R; +import se.leap.bitmaskclient.ProviderListContent.ProviderItem; +import android.app.Activity; +import android.app.ListFragment; +import android.os.Bundle; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.ListView; + +/** + * A list fragment representing a list of Providers. This fragment + * also supports tablet devices by allowing list items to be given an + * 'activated' state upon selection. This helps indicate which item is + * currently being viewed in a {@link DashboardFragment}. + *

+ * Activities containing this fragment MUST implement the {@link Callbacks} + * interface. + */ +public class ProviderListFragment extends ListFragment { + + public static String TAG = "provider_list_fragment"; + public static String SHOW_ALL_PROVIDERS = "show_all_providers"; + public static String TOP_PADDING = "top padding from providerlistfragment"; + private ProviderListAdapter content_adapter; + + /** + * The serialization (saved instance state) Bundle key representing the + * activated item position. Only used on tablets. + */ + private static final String STATE_ACTIVATED_POSITION = "activated_position"; + + /** + * The fragment's current callback object, which is notified of list item + * clicks. + */ + private Callbacks mCallbacks = sDummyCallbacks; + + /** + * The current activated item position. Only used on tablets. + */ + private int mActivatedPosition = ListView.INVALID_POSITION; + + /** + * A callback interface that all activities containing this fragment must + * implement. This mechanism allows activities to be notified of item + * selections. + */ + public interface Callbacks { + /** + * Callback for when an item has been selected. + */ + public void onItemSelected(String id); + } + + /** + * A dummy implementation of the {@link Callbacks} interface that does + * nothing. Used only when this fragment is not attached to an activity. + */ + private static Callbacks sDummyCallbacks = new Callbacks() { + @Override + public void onItemSelected(String id) { + } + }; + + /** + * Mandatory empty constructor for the fragment manager to instantiate the + * fragment (e.g. upon screen orientation changes). + */ + public ProviderListFragment() { + } + + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + if(getArguments().containsKey(SHOW_ALL_PROVIDERS)) + content_adapter = new ProviderListAdapter( + getActivity(), + R.layout.provider_list_item, + ProviderListContent.ITEMS, getArguments().getBoolean(SHOW_ALL_PROVIDERS)); + else + content_adapter = new ProviderListAdapter( + getActivity(), + R.layout.provider_list_item, + ProviderListContent.ITEMS); + + + setListAdapter(content_adapter); + } + + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle bundle) { + return inflater.inflate(R.layout.provider_list_fragment, container, false); + } + + @Override + public void onViewCreated(View view, Bundle savedInstanceState) { + super.onViewCreated(view, savedInstanceState); + + // Restore the previously serialized activated item position. + if (savedInstanceState != null + && savedInstanceState.containsKey(STATE_ACTIVATED_POSITION)) { + setActivatedPosition(savedInstanceState.getInt(STATE_ACTIVATED_POSITION)); + } + if(getArguments() != null && getArguments().containsKey(TOP_PADDING)) { + int topPadding = getArguments().getInt(TOP_PADDING); + View current_view = getView(); + getView().setPadding(current_view.getPaddingLeft(), topPadding, current_view.getPaddingRight(), current_view.getPaddingBottom()); + } + } + + @Override + public void onAttach(Activity activity) { + super.onAttach(activity); + + // Activities containing this fragment must implement its callbacks. + if (!(activity instanceof Callbacks)) { + throw new IllegalStateException("Activity must implement fragment's callbacks."); + } + + mCallbacks = (Callbacks) activity; + } + + @Override + public void onDetach() { + super.onDetach(); + + // Reset the active callbacks interface to the dummy implementation. + mCallbacks = sDummyCallbacks; + } + + @Override + public void onListItemClick(ListView listView, View view, int position, long id) { + super.onListItemClick(listView, view, position, id); + + // Notify the active callbacks interface (the activity, if the + // fragment is attached to one) that an item has been selected. + mCallbacks.onItemSelected(ProviderListContent.ITEMS.get(position).name()); + + for(int item_position = 0; item_position < listView.getCount(); item_position++) { + if(item_position != position) + content_adapter.hide(item_position); + } + } + + @Override + public void onSaveInstanceState(Bundle outState) { + super.onSaveInstanceState(outState); + if (mActivatedPosition != ListView.INVALID_POSITION) { + // Serialize and persist the activated item position. + outState.putInt(STATE_ACTIVATED_POSITION, mActivatedPosition); + } + } + + public void notifyAdapter() { + content_adapter.notifyDataSetChanged(); + } + /** + * Turns on activate-on-click mode. When this mode is on, list items will be + * given the 'activated' state when touched. + */ + public void setActivateOnItemClick(boolean activateOnItemClick) { + // When setting CHOICE_MODE_SINGLE, ListView will automatically + // give items the 'activated' state when touched. + getListView().setChoiceMode(activateOnItemClick + ? ListView.CHOICE_MODE_SINGLE + : ListView.CHOICE_MODE_NONE); + } + + private void setActivatedPosition(int position) { + if (position == ListView.INVALID_POSITION) { + getListView().setItemChecked(mActivatedPosition, false); + } else { + getListView().setItemChecked(position, true); + } + + mActivatedPosition = position; + } + + public void removeLastItem() { + unhideAll(); + content_adapter.remove(content_adapter.getItem(content_adapter.getCount()-1)); + content_adapter.notifyDataSetChanged(); + } + + public void addItem(ProviderItem provider) { + content_adapter.add(provider); + content_adapter.notifyDataSetChanged(); + } + + public void hideAllBut(int position) { + int real_count = content_adapter.getCount(); + for(int i = 0; i < real_count;) + if(i != position) { + content_adapter.hide(i); + position--; + real_count--; + } else { + i++; + } + } + + public void unhideAll() { + if(content_adapter != null) { + content_adapter.unHideAll(); + content_adapter.notifyDataSetChanged(); + } + } + + /** + * @return a new instance of this ListFragment. + */ + public static ProviderListFragment newInstance() { + return new ProviderListFragment(); + } +} diff --git a/app/src/main/java/se/leap/openvpn/CIDRIP.java b/app/src/main/java/se/leap/openvpn/CIDRIP.java new file mode 100644 index 00000000..8c4b6709 --- /dev/null +++ b/app/src/main/java/se/leap/openvpn/CIDRIP.java @@ -0,0 +1,58 @@ +package se.leap.openvpn; + +class CIDRIP{ + String mIp; + int len; + public CIDRIP(String ip, String mask){ + mIp=ip; + long netmask=getInt(mask); + + // Add 33. bit to ensure the loop terminates + netmask += 1l << 32; + + int lenZeros = 0; + while((netmask & 0x1) == 0) { + lenZeros++; + netmask = netmask >> 1; + } + // Check if rest of netmask is only 1s + if(netmask != (0x1ffffffffl >> lenZeros)) { + // Asume no CIDR, set /32 + len=32; + } else { + len =32 -lenZeros; + } + + } + @Override + public String toString() { + return String.format("%s/%d",mIp,len); + } + + public boolean normalise(){ + long ip=getInt(mIp); + + long newip = ip & (0xffffffffl << (32 -len)); + if (newip != ip){ + mIp = String.format("%d.%d.%d.%d", (newip & 0xff000000) >> 24,(newip & 0xff0000) >> 16, (newip & 0xff00) >> 8 ,newip & 0xff); + return true; + } else { + return false; + } + } + static long getInt(String ipaddr) { + String[] ipt = ipaddr.split("\\."); + long ip=0; + + ip += Long.parseLong(ipt[0])<< 24; + ip += Integer.parseInt(ipt[1])<< 16; + ip += Integer.parseInt(ipt[2])<< 8; + ip += Integer.parseInt(ipt[3]); + + return ip; + } + public long getInt() { + return getInt(mIp); + } + +} \ No newline at end of file diff --git a/app/src/main/java/se/leap/openvpn/ConfigParser.java b/app/src/main/java/se/leap/openvpn/ConfigParser.java new file mode 100644 index 00000000..df4eae1b --- /dev/null +++ b/app/src/main/java/se/leap/openvpn/ConfigParser.java @@ -0,0 +1,569 @@ +package se.leap.openvpn; + +import java.io.BufferedReader; +import java.io.IOException; +import java.io.Reader; +import java.util.HashMap; +import java.util.Locale; +import java.util.Vector; + +//! Openvpn Config FIle Parser, probably not 100% accurate but close enough + +// And rember, this is valid :) +// -- +// bar +// +public class ConfigParser { + + + private HashMap>> options = new HashMap>>(); + public void parseConfig(Reader reader) throws IOException, ConfigParseError { + + + BufferedReader br =new BufferedReader(reader); + + @SuppressWarnings("unused") + int lineno=0; + + while (true){ + String line = br.readLine(); + if(line==null) + break; + lineno++; + Vector args = parseline(line); + if(args.size() ==0) + continue; + + + if(args.get(0).startsWith("--")) + args.set(0, args.get(0).substring(2)); + + checkinlinefile(args,br); + + String optionname = args.get(0); + if(!options.containsKey(optionname)) { + options.put(optionname, new Vector>()); + } + options.get(optionname).add(args); + } + } + public void setDefinition(HashMap>> args) { + options = args; + } + + private void checkinlinefile(Vector args, BufferedReader br) throws IOException, ConfigParseError { + String arg0 = args.get(0); + // CHeck for + if(arg0.startsWith("<") && arg0.endsWith(">")) { + String argname = arg0.substring(1, arg0.length()-1); + String inlinefile = VpnProfile.INLINE_TAG; + + String endtag = String.format("",argname); + do { + String line = br.readLine(); + if(line==null){ + throw new ConfigParseError(String.format("No endtag for starttag <%s> found",argname,argname)); + } + if(line.equals(endtag)) + break; + else { + inlinefile+=line; + inlinefile+= "\n"; + } + } while(true); + + args.clear(); + args.add(argname); + args.add(inlinefile); + } + + } + + enum linestate { + initial, + readin_single_quote + , reading_quoted, reading_unquoted, done} + + private boolean space(char c) { + // I really hope nobody is using zero bytes inside his/her config file + // to sperate parameter but here we go: + return Character.isWhitespace(c) || c == '\0'; + + } + + public class ConfigParseError extends Exception { + private static final long serialVersionUID = -60L; + + public ConfigParseError(String msg) { + super(msg); + } + } + + + // adapted openvpn's parse function to java + private Vector parseline(String line) throws ConfigParseError { + Vector parameters = new Vector(); + + if (line.length()==0) + return parameters; + + + linestate state = linestate.initial; + boolean backslash = false; + char out=0; + + int pos=0; + String currentarg=""; + + do { + // Emulate the c parsing ... + char in; + if(pos < line.length()) + in = line.charAt(pos); + else + in = '\0'; + + if (!backslash && in == '\\' && state != linestate.readin_single_quote) + { + backslash = true; + } + else + { + if (state == linestate.initial) + { + if (!space (in)) + { + if (in == ';' || in == '#') /* comment */ + break; + if (!backslash && in == '\"') + state = linestate.reading_quoted; + else if (!backslash && in == '\'') + state = linestate.readin_single_quote; + else + { + out = in; + state = linestate.reading_unquoted; + } + } + } + else if (state == linestate.reading_unquoted) + { + if (!backslash && space (in)) + state = linestate.done; + else + out = in; + } + else if (state == linestate.reading_quoted) + { + if (!backslash && in == '\"') + state = linestate.done; + else + out = in; + } + else if (state == linestate.readin_single_quote) + { + if (in == '\'') + state = linestate.done; + else + out = in; + } + + if (state == linestate.done) + { + /* ASSERT (parm_len > 0); */ + state = linestate.initial; + parameters.add(currentarg); + currentarg = ""; + out =0; + } + + if (backslash && out!=0) + { + if (!(out == '\\' || out == '\"' || space (out))) + { + throw new ConfigParseError("Options warning: Bad backslash ('\\') usage"); + } + } + backslash = false; + } + + /* store parameter character */ + if (out!=0) + { + currentarg+=out; + } + } while (pos++ < line.length()); + + return parameters; + } + + + final String[] unsupportedOptions = { "config", + "connection", + "proto-force", + "remote-random", + "tls-server" + + }; + + // Ignore all scripts + // in most cases these won't work and user who wish to execute scripts will + // figure out themselves + final String[] ignoreOptions = { "tls-client", + "askpass", + "auth-nocache", + "up", + "down", + "route-up", + "ipchange", + "route-up", + "route-pre-down", + "auth-user-pass-verify", + "dhcp-release", + "dhcp-renew", + "dh", + "management-hold", + "management", + "management-query-passwords", + "pause-exit", + "persist-key", + "register-dns", + "route-delay", + "route-gateway", + "route-metric", + "route-method", + "status", + "script-security", + "show-net-up", + "suppress-timestamps", + "tmp-dir", + "tun-ipv6", + "topology", + "win-sys", + }; + + + // This method is far too long + public VpnProfile convertProfile() throws ConfigParseError{ + boolean noauthtypeset=true; + VpnProfile np = new VpnProfile("converted Profile"); + // Pull, client, tls-client + np.clearDefaults(); + + // XXX we are always client + if(/*options.containsKey("client") || options.containsKey("pull")*/ true) { + np.mUsePull=true; + options.remove("pull"); + options.remove("client"); + } + + Vector secret = getOption("secret", 1, 2); + if(secret!=null) + { + np.mAuthenticationType=VpnProfile.TYPE_STATICKEYS; + noauthtypeset=false; + np.mUseTLSAuth=true; + np.mTLSAuthFilename=secret.get(1); + if(secret.size()==3) + np.mTLSAuthDirection=secret.get(2); + + } + + Vector> routes = getAllOption("route", 1, 4); + if(routes!=null) { + String routeopt = ""; + for(Vector route:routes){ + String netmask = "255.255.255.255"; + if(route.size() >= 3) + netmask = route.get(2); + String net = route.get(1); + try { + CIDRIP cidr = new CIDRIP(net, netmask); + routeopt+=cidr.toString() + " "; + } catch (ArrayIndexOutOfBoundsException aioob) { + throw new ConfigParseError("Could not parse netmask of route " + netmask); + } catch (NumberFormatException ne) { + throw new ConfigParseError("Could not parse netmask of route " + netmask); + } + + } + np.mCustomRoutes=routeopt; + } + + // Also recognize tls-auth [inline] direction ... + Vector> tlsauthoptions = getAllOption("tls-auth", 1, 2); + if(tlsauthoptions!=null) { + for(Vector tlsauth:tlsauthoptions) { + if(tlsauth!=null) + { + if(!tlsauth.get(1).equals("[inline]")) { + np.mTLSAuthFilename=tlsauth.get(1); + np.mUseTLSAuth=true; + } + if(tlsauth.size()==3) + np.mTLSAuthDirection=tlsauth.get(2); + } + } + } + + Vector direction = getOption("key-direction", 1, 1); + if(direction!=null) + np.mTLSAuthDirection=direction.get(1); + + + if(getAllOption("redirect-gateway", 0, 5) != null) + np.mUseDefaultRoute=true; + + Vector dev =getOption("dev",1,1); + Vector devtype =getOption("dev-type",1,1); + + if( (devtype !=null && devtype.get(1).equals("tun")) || + (dev!=null && dev.get(1).startsWith("tun")) || + (devtype ==null && dev == null) ) { + //everything okay + } else { + throw new ConfigParseError("Sorry. Only tun mode is supported. See the FAQ for more detail"); + } + + + + Vector mode =getOption("mode",1,1); + if (mode != null){ + if(!mode.get(1).equals("p2p")) + throw new ConfigParseError("Invalid mode for --mode specified, need p2p"); + } + + Vector port = getOption("port", 1,1); + if(port!=null){ + np.mServerPort = port.get(1); + } + + Vector proto = getOption("proto", 1,1); + if(proto!=null){ + np.mUseUdp=isUdpProto(proto.get(1));; + } + + // Parse remote config + Vector remote = getOption("remote",1,3); + if(remote != null){ + switch (remote.size()) { + case 4: + np.mUseUdp=isUdpProto(remote.get(3)); + case 3: + np.mServerPort = remote.get(2); + case 2: + np.mServerName = remote.get(1); + } + } + + // Parse remote config + Vector location = getOption("location",0,2); + if(location != null && location.size() == 2){ + np.mLocation = location.get(1).replace("__", ", "); + } + + Vector> dhcpoptions = getAllOption("dhcp-option", 2, 2); + if(dhcpoptions!=null) { + for(Vector dhcpoption:dhcpoptions) { + String type=dhcpoption.get(1); + String arg = dhcpoption.get(2); + if(type.equals("DOMAIN")) { + np.mSearchDomain=dhcpoption.get(2); + } else if(type.equals("DNS")) { + np.mOverrideDNS=true; + if(np.mDNS1.equals(VpnProfile.DEFAULT_DNS1)) + np.mDNS1=arg; + else + np.mDNS2=arg; + } + } + } + + Vector ifconfig = getOption("ifconfig", 2, 2); + if(ifconfig!=null) { + CIDRIP cidr = new CIDRIP(ifconfig.get(1), ifconfig.get(2)); + np.mIPv4Address=cidr.toString(); + } + + if(getOption("remote-random-hostname", 0, 0)!=null) + np.mUseRandomHostname=true; + + if(getOption("float", 0, 0)!=null) + np.mUseFloat=true; + + if(getOption("comp-lzo", 0, 1)!=null) + np.mUseLzo=true; + + Vector cipher = getOption("cipher", 1, 1); + if(cipher!=null) + np.mCipher= cipher.get(1); + + Vector ca = getOption("ca",1,1); + if(ca!=null){ + np.mCaFilename = ca.get(1); + } + + Vector cert = getOption("cert",1,1); + if(cert!=null){ + np.mClientCertFilename = cert.get(1); + np.mAuthenticationType = VpnProfile.TYPE_CERTIFICATES; + noauthtypeset=false; + } + Vector key= getOption("key",1,1); + if(key!=null) + np.mClientKeyFilename=key.get(1); + + Vector pkcs12 = getOption("pkcs12",1,1); + if(pkcs12!=null) { + np.mPKCS12Filename = pkcs12.get(1); + np.mAuthenticationType = VpnProfile.TYPE_KEYSTORE; + noauthtypeset=false; + } + + Vector tlsremote = getOption("tls-remote",1,1); + if(tlsremote!=null){ + np.mRemoteCN = tlsremote.get(1); + np.mCheckRemoteCN=true; + } + + Vector verb = getOption("verb",1,1); + if(verb!=null){ + np.mVerb=verb.get(1); + } + + + if(getOption("nobind", 0, 0) != null) + np.mNobind=true; + + if(getOption("persist-tun", 0,0) != null) + np.mPersistTun=true; + + Vector connectretry = getOption("connect-retry", 1, 1); + if(connectretry!=null) + np.mConnectRetry =connectretry.get(1); + + Vector connectretrymax = getOption("connect-retry-max", 1, 1); + if(connectretrymax!=null) + np.mConnectRetryMax =connectretrymax.get(1); + + Vector> remotetls = getAllOption("remote-cert-tls", 1, 1); + if(remotetls!=null) + if(remotetls.get(0).get(1).equals("server")) + np.mExpectTLSCert=true; + else + options.put("remotetls",remotetls); + + Vector authuser = getOption("auth-user-pass",0,1); + if(authuser !=null){ + if(noauthtypeset) { + np.mAuthenticationType=VpnProfile.TYPE_USERPASS; + } else if(np.mAuthenticationType==VpnProfile.TYPE_CERTIFICATES) { + np.mAuthenticationType=VpnProfile.TYPE_USERPASS_CERTIFICATES; + } else if(np.mAuthenticationType==VpnProfile.TYPE_KEYSTORE) { + np.mAuthenticationType=VpnProfile.TYPE_USERPASS_KEYSTORE; + } + if(authuser.size()>1) { + // Set option value to password get to get canche to embed later. + np.mUsername=null; + np.mPassword=authuser.get(1); + useEmbbedUserAuth(np,authuser.get(1)); + } + + } + + + // Check the other options + + checkIgnoreAndInvalidOptions(np); + fixup(np); + + return np; + } + + private boolean isUdpProto(String proto) throws ConfigParseError { + boolean isudp; + if(proto.equals("udp") || proto.equals("udp6")) + isudp=true; + else if (proto.equals("tcp-client") || + proto.equals("tcp") || + proto.equals("tcp6") || + proto.endsWith("tcp6-client")) + isudp =false; + else + throw new ConfigParseError("Unsupported option to --proto " + proto); + return isudp; + } + + static public void useEmbbedUserAuth(VpnProfile np,String inlinedata) + { + String data = inlinedata.replace(VpnProfile.INLINE_TAG, ""); + String[] parts = data.split("\n"); + if(parts.length >= 2) { + np.mUsername=parts[0]; + np.mPassword=parts[1]; + } + } + + private void checkIgnoreAndInvalidOptions(VpnProfile np) throws ConfigParseError { + for(String option:unsupportedOptions) + if(options.containsKey(option)) + throw new ConfigParseError(String.format("Unsupported Option %s encountered in config file. Aborting",option)); + + for(String option:ignoreOptions) + // removing an item which is not in the map is no error + options.remove(option); + + if(options.size()> 0) { + String custom = "# These Options were found in the config file do not map to config settings:\n"; + + for(Vector> option:options.values()) { + for(Vector optionsline: option) { + for (String arg : optionsline) + custom+= VpnProfile.openVpnEscape(arg) + " "; + } + custom+="\n"; + + } + np.mCustomConfigOptions = custom; + np.mUseCustomConfig=true; + + } + } + + + private void fixup(VpnProfile np) { + if(np.mRemoteCN.equals(np.mServerName)) { + np.mRemoteCN=""; + } + } + + private Vector getOption(String option, int minarg, int maxarg) throws ConfigParseError { + Vector> alloptions = getAllOption(option, minarg, maxarg); + if(alloptions==null) + return null; + else + return alloptions.lastElement(); + } + + + private Vector> getAllOption(String option, int minarg, int maxarg) throws ConfigParseError { + Vector> args = options.get(option); + if(args==null) + return null; + + for(Vector optionline:args) + + if(optionline.size()< (minarg+1) || optionline.size() > maxarg+1) { + String err = String.format(Locale.getDefault(),"Option %s has %d parameters, expected between %d and %d", + option,optionline.size()-1,minarg,maxarg ); + throw new ConfigParseError(err); + } + options.remove(option); + return args; + } + +} + + + + diff --git a/app/src/main/java/se/leap/openvpn/LICENSE.txt b/app/src/main/java/se/leap/openvpn/LICENSE.txt new file mode 100644 index 00000000..d897edea --- /dev/null +++ b/app/src/main/java/se/leap/openvpn/LICENSE.txt @@ -0,0 +1,24 @@ +License for OpenVPN for Android. Please note that the thirdparty libraries/executables may have other license (OpenVPN, lzo, OpenSSL, Google Breakpad) + +Copyright (c) 2012-2013, Arne Schwabe + All rights reserved. + +If you need a non GPLv2 license of the source please contact me. + +This program is free software; you can redistribute it and/or +modify it under the terms of the GNU General Public License +as published by the Free Software Foundation; either version 2 +of the License, or (at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + +In addition, as a special exception, the copyright holders give +permission to link the code of portions of this program with the +OpenSSL library. diff --git a/app/src/main/java/se/leap/openvpn/LaunchVPN.java b/app/src/main/java/se/leap/openvpn/LaunchVPN.java new file mode 100644 index 00000000..89f2d372 --- /dev/null +++ b/app/src/main/java/se/leap/openvpn/LaunchVPN.java @@ -0,0 +1,385 @@ +/* + * 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.bitmaskclient.ConfigHelper; +import se.leap.bitmaskclient.EIP; +import se.leap.bitmaskclient.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(EIP.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(EIP.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(EIP.REQUEST_TAG, EIP.ACTION_START_EIP); + mReceiver.send(RESULT_OK, resultData); + finish(); + + } + + } + + +} diff --git a/app/src/main/java/se/leap/openvpn/LogWindow.java b/app/src/main/java/se/leap/openvpn/LogWindow.java new file mode 100644 index 00000000..b87c4999 --- /dev/null +++ b/app/src/main/java/se/leap/openvpn/LogWindow.java @@ -0,0 +1,340 @@ +package se.leap.openvpn; + +import java.util.Vector; + +import se.leap.bitmaskclient.R; + +import android.app.AlertDialog; +import android.app.AlertDialog.Builder; +import android.app.ListActivity; +import android.content.ClipData; +import android.content.ClipboardManager; +import android.content.Context; +import android.content.DialogInterface; +import android.content.DialogInterface.OnClickListener; +import android.content.Intent; +import android.database.DataSetObserver; +import android.os.Bundle; +import android.os.Handler; +import android.os.Handler.Callback; +import android.os.Message; +import android.view.Menu; +import android.view.MenuInflater; +import android.view.MenuItem; +import android.view.View; +import android.view.ViewGroup; +import android.widget.AdapterView; +import android.widget.AdapterView.OnItemLongClickListener; +import android.widget.ListAdapter; +import android.widget.ListView; +import android.widget.TextView; +import android.widget.Toast; +import se.leap.openvpn.OpenVPN.LogItem; +import se.leap.openvpn.OpenVPN.LogListener; +import se.leap.openvpn.OpenVPN.StateListener; + +public class LogWindow extends ListActivity implements StateListener { + private static final int START_VPN_CONFIG = 0; + private String[] mBconfig=null; + + + class LogWindowListAdapter implements ListAdapter, LogListener, Callback { + + private static final int MESSAGE_NEWLOG = 0; + + private static final int MESSAGE_CLEARLOG = 1; + + private Vector myEntries=new Vector(); + + private Handler mHandler; + + private Vector observers=new Vector(); + + + public LogWindowListAdapter() { + initLogBuffer(); + + if (mHandler == null) { + mHandler = new Handler(this); + } + + OpenVPN.addLogListener(this); + } + + + + private void initLogBuffer() { + myEntries.clear(); + for (LogItem litem : OpenVPN.getlogbuffer()) { + myEntries.add(litem.getString(getContext())); + } + } + + String getLogStr() { + String str = ""; + for(String entry:myEntries) { + str+=entry + '\n'; + } + return str; + } + + + private void shareLog() { + Intent shareIntent = new Intent(Intent.ACTION_SEND); + shareIntent.putExtra(Intent.EXTRA_TEXT, getLogStr()); + shareIntent.putExtra(Intent.EXTRA_SUBJECT, getString(R.string.bitmask_openvpn_log_file)); + shareIntent.setType("text/plain"); + startActivity(Intent.createChooser(shareIntent, "Send Logfile")); + } + + @Override + public void registerDataSetObserver(DataSetObserver observer) { + observers.add(observer); + + } + + @Override + public void unregisterDataSetObserver(DataSetObserver observer) { + observers.remove(observer); + } + + @Override + public int getCount() { + return myEntries.size(); + } + + @Override + public Object getItem(int position) { + return myEntries.get(position); + } + + @Override + public long getItemId(int position) { + return position; + } + + @Override + public boolean hasStableIds() { + return true; + } + + @Override + public View getView(int position, View convertView, ViewGroup parent) { + TextView v; + if(convertView==null) + v = new TextView(getBaseContext()); + else + v = (TextView) convertView; + v.setText(myEntries.get(position)); + return v; + } + + @Override + public int getItemViewType(int position) { + return 0; + } + + @Override + public int getViewTypeCount() { + return 1; + } + + @Override + public boolean isEmpty() { + return myEntries.isEmpty(); + + } + + @Override + public boolean areAllItemsEnabled() { + return true; + } + + @Override + public boolean isEnabled(int position) { + return true; + } + + @Override + public void newLog(LogItem logmessage) { + Message msg = Message.obtain(); + msg.what=MESSAGE_NEWLOG; + Bundle mbundle=new Bundle(); + mbundle.putString("logmessage", logmessage.getString(getBaseContext())); + msg.setData(mbundle); + mHandler.sendMessage(msg); + } + + @Override + public boolean handleMessage(Message msg) { + // We have been called + if(msg.what==MESSAGE_NEWLOG) { + + String logmessage = msg.getData().getString("logmessage"); + myEntries.add(logmessage); + + for (DataSetObserver observer : observers) { + observer.onChanged(); + } + } else if (msg.what == MESSAGE_CLEARLOG) { + initLogBuffer(); + for (DataSetObserver observer : observers) { + observer.onInvalidated(); + } + } + + return true; + } + + void clearLog() { + // Actually is probably called from GUI Thread as result of the user + // pressing a button. But better safe than sorry + OpenVPN.clearLog(); + OpenVPN.logMessage(0,"","Log cleared."); + mHandler.sendEmptyMessage(MESSAGE_CLEARLOG); + } + } + + + + private LogWindowListAdapter ladapter; + private TextView mSpeedView; + + @Override + public boolean onOptionsItemSelected(MenuItem item) { + if(item.getItemId()==R.id.clearlog) { + ladapter.clearLog(); + return true; + } else if(item.getItemId()==R.id.cancel){ + Builder builder = new AlertDialog.Builder(this); + builder.setTitle(R.string.title_cancel); + builder.setMessage(R.string.cancel_connection_query); + builder.setNegativeButton(android.R.string.no, null); + builder.setPositiveButton(android.R.string.yes, new OnClickListener() { + + @Override + public void onClick(DialogInterface dialog, int which) { + ProfileManager.setConntectedVpnProfileDisconnected(getApplicationContext()); + OpenVpnManagementThread.stopOpenVPN(); + } + }); + + builder.show(); + return true; + } else if(item.getItemId()==R.id.info) { + if(mBconfig==null) + OpenVPN.triggerLogBuilderConfig(); + + } else if(item.getItemId()==R.id.send) { + ladapter.shareLog(); + } + + return super.onOptionsItemSelected(item); + + } + + protected Context getContext() { + return this; + } + + @Override + public boolean onCreateOptionsMenu(Menu menu) { + MenuInflater inflater = getMenuInflater(); + inflater.inflate(R.menu.logmenu, menu); + return true; + } + + + @Override + protected void onResume() { + super.onResume(); + OpenVPN.addStateListener(this); + } + + @Override + protected void onActivityResult(int requestCode, int resultCode, Intent data) { + if (requestCode == START_VPN_CONFIG && resultCode==RESULT_OK) { + String configuredVPN = data.getStringExtra(VpnProfile.EXTRA_PROFILEUUID); + + final VpnProfile profile = ProfileManager.get(configuredVPN); + ProfileManager.getInstance(this).saveProfile(this, profile); + // Name could be modified, reset List adapter + + AlertDialog.Builder dialog = new AlertDialog.Builder(this); + dialog.setTitle(R.string.configuration_changed); + dialog.setMessage(R.string.restart_vpn_after_change); + + + dialog.setPositiveButton(R.string.restart, + new DialogInterface.OnClickListener() { + @Override + public void onClick(DialogInterface dialog, int which) { + Intent intent = new Intent(getBaseContext(), LaunchVPN.class); + intent.putExtra(LaunchVPN.EXTRA_KEY, profile.getUUIDString()); + intent.setAction(Intent.ACTION_MAIN); + startActivity(intent); + } + + + }); + dialog.setNegativeButton(R.string.ignore, null); + dialog.create().show(); + } + super.onActivityResult(requestCode, resultCode, data); + } + + @Override + protected void onStop() { + super.onStop(); + OpenVPN.removeStateListener(this); + } + + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + + setContentView(R.layout.logwindow); + ListView lv = getListView(); + + lv.setOnItemLongClickListener(new OnItemLongClickListener() { + + @Override + public boolean onItemLongClick(AdapterView parent, View view, + int position, long id) { + ClipboardManager clipboard = (ClipboardManager) + getSystemService(Context.CLIPBOARD_SERVICE); + ClipData clip = ClipData.newPlainText("Log Entry",((TextView) view).getText()); + clipboard.setPrimaryClip(clip); + Toast.makeText(getBaseContext(), R.string.copied_entry, Toast.LENGTH_SHORT).show(); + return true; + } + }); + + ladapter = new LogWindowListAdapter(); + lv.setAdapter(ladapter); + + mSpeedView = (TextView) findViewById(R.id.speed); + } + + @Override + public void updateState(final String status,final String logmessage, final int resid) { + runOnUiThread(new Runnable() { + + @Override + public void run() { + String prefix=getString(resid) + ":"; + if (status.equals("BYTECOUNT") || status.equals("NOPROCESS") ) + prefix=""; + mSpeedView.setText(prefix + logmessage); + } + }); + + } + + @Override + protected void onDestroy() { + super.onDestroy(); + OpenVPN.removeLogListener(ladapter); + } + +} diff --git a/app/src/main/java/se/leap/openvpn/NetworkSateReceiver.java b/app/src/main/java/se/leap/openvpn/NetworkSateReceiver.java new file mode 100644 index 00000000..777402b4 --- /dev/null +++ b/app/src/main/java/se/leap/openvpn/NetworkSateReceiver.java @@ -0,0 +1,86 @@ +package se.leap.openvpn; + +import android.content.BroadcastReceiver; +import android.content.Context; +import android.content.Intent; +import android.content.SharedPreferences; +import android.net.ConnectivityManager; +import android.net.NetworkInfo; +import android.net.NetworkInfo.State; +import android.preference.PreferenceManager; +import se.leap.bitmaskclient.R; + +public class NetworkSateReceiver extends BroadcastReceiver { + private int lastNetwork=-1; + private OpenVpnManagementThread mManangement; + + private String lastStateMsg=null; + + public NetworkSateReceiver(OpenVpnManagementThread managementThread) { + super(); + mManangement = managementThread; + } + + @Override + public void onReceive(Context context, Intent intent) { + NetworkInfo networkInfo = getCurrentNetworkInfo(context); + SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context); + boolean sendusr1 = prefs.getBoolean("netchangereconnect", true); + + String netstatestring; + if(networkInfo==null) + netstatestring = "not connected"; + else { + String subtype = networkInfo.getSubtypeName(); + if(subtype==null) + subtype = ""; + String extrainfo = networkInfo.getExtraInfo(); + if(extrainfo==null) + extrainfo=""; + + /* + if(networkInfo.getType()==android.net.ConnectivityManager.TYPE_WIFI) { + WifiManager wifiMgr = (WifiManager) context.getSystemService(Context.WIFI_SERVICE); + WifiInfo wifiinfo = wifiMgr.getConnectionInfo(); + extrainfo+=wifiinfo.getBSSID(); + + subtype += wifiinfo.getNetworkId(); + }*/ + + + + netstatestring = String.format("%2$s %4$s to %1$s %3$s",networkInfo.getTypeName(), + networkInfo.getDetailedState(),extrainfo,subtype ); + } + + + + if(networkInfo!=null && networkInfo.getState() == State.CONNECTED) { + int newnet = networkInfo.getType(); + + if(sendusr1 && lastNetwork!=newnet) + mManangement.reconnect(); + + lastNetwork = newnet; + } else if (networkInfo==null) { + // Not connected, stop openvpn, set last connected network to no network + lastNetwork=-1; + if(sendusr1) + mManangement.signalusr1(); + } + + if(!netstatestring.equals(lastStateMsg)) + OpenVPN.logInfo(R.string.netstatus, netstatestring); + lastStateMsg=netstatestring; + + } + + private NetworkInfo getCurrentNetworkInfo(Context context) { + ConnectivityManager conn = (ConnectivityManager) + context.getSystemService(Context.CONNECTIVITY_SERVICE); + + NetworkInfo networkInfo = conn.getActiveNetworkInfo(); + return networkInfo; + } + +} diff --git a/app/src/main/java/se/leap/openvpn/OpenVPN.java b/app/src/main/java/se/leap/openvpn/OpenVPN.java new file mode 100644 index 00000000..8acdc423 --- /dev/null +++ b/app/src/main/java/se/leap/openvpn/OpenVPN.java @@ -0,0 +1,250 @@ +package se.leap.openvpn; + +import java.util.LinkedList; +import java.util.Locale; +import java.util.Vector; + +import se.leap.bitmaskclient.R; + + +import android.content.Context; +import android.os.Build; +import android.util.Log; + +public class OpenVPN { + + + public static LinkedList logbuffer; + + private static Vector logListener; + private static Vector stateListener; + private static String[] mBconfig; + + private static String mLaststatemsg; + + private static String mLaststate; + + private static int mLastStateresid=R.string.state_noprocess; + public static String TAG="se.leap.openvpn.OpenVPN"; + + static { + logbuffer = new LinkedList(); + logListener = new Vector(); + stateListener = new Vector(); + logInformation(); + } + + public static class LogItem { + public static final int ERROR = 1; + public static final int INFO = 2; + public static final int VERBOSE = 3; + + private Object [] mArgs = null; + private String mMessage = null; + private int mRessourceId; + // Default log priority + int mLevel = INFO; + + public LogItem(int ressourceId, Object[] args) { + mRessourceId = ressourceId; + mArgs = args; + } + + + public LogItem(int loglevel,int ressourceId, Object[] args) { + mRessourceId = ressourceId; + mArgs = args; + mLevel = loglevel; + } + + + public LogItem(String message) { + + mMessage = message; + } + + public LogItem(int loglevel, String msg) { + mLevel = loglevel; + mMessage = msg; + } + + + public LogItem(int loglevel, int ressourceId) { + mRessourceId =ressourceId; + mLevel = loglevel; + } + + + public String getString(Context c) { + if(mMessage !=null) { + return mMessage; + } else { + if(c!=null) { + if(mArgs == null) + return c.getString(mRessourceId); + else + return c.getString(mRessourceId,mArgs); + } else { + String str = String.format(Locale.ENGLISH,"Log (no context) resid %d", mRessourceId); + if(mArgs !=null) + for(Object o:mArgs) + str += "|" + o.toString(); + return str; + } + } + } + } + + private static final int MAXLOGENTRIES = 500; + + + public static final String MANAGMENT_PREFIX = "M:"; + + + + + + + public interface LogListener { + void newLog(LogItem logItem); + } + + public interface StateListener { + void updateState(String state, String logmessage, int localizedResId); + } + + synchronized static void logMessage(int level,String prefix, String message) + { + newlogItem(new LogItem(prefix + message)); + Log.d("OpenVPN log item", message); + } + + synchronized static void clearLog() { + logbuffer.clear(); + logInformation(); + } + + private static void logInformation() { + + logInfo(R.string.mobile_info,Build.MODEL, Build.BOARD,Build.BRAND,Build.VERSION.SDK_INT); + } + + public synchronized static void addLogListener(LogListener ll){ + logListener.add(ll); + } + + public synchronized static void removeLogListener(LogListener ll) { + logListener.remove(ll); + } + + + public synchronized static void addStateListener(StateListener sl){ + stateListener.add(sl); + if(mLaststate!=null) + sl.updateState(mLaststate, mLaststatemsg, mLastStateresid); + } + + private static int getLocalizedState(String state){ + if (state.equals("CONNECTING")) + return R.string.state_connecting; + else if (state.equals("WAIT")) + return R.string.state_wait; + else if (state.equals("AUTH")) + return R.string.state_auth; + else if (state.equals("GET_CONFIG")) + return R.string.state_get_config; + else if (state.equals("ASSIGN_IP")) + return R.string.state_assign_ip; + else if (state.equals("ADD_ROUTES")) + return R.string.state_add_routes; + else if (state.equals("CONNECTED")) + return R.string.state_connected; + else if (state.equals("RECONNECTING")) + return R.string.state_reconnecting; + else if (state.equals("EXITING")) + return R.string.state_exiting; + else if (state.equals("RESOLVE")) + return R.string.state_resolve; + else if (state.equals("TCP_CONNECT")) + return R.string.state_tcp_connect; + else if (state.equals("FATAL")) + return R.string.eip_state_not_connected; + else + return R.string.unknown_state; + + } + + public synchronized static void removeStateListener(StateListener sl) { + stateListener.remove(sl); + } + + + synchronized public static LogItem[] getlogbuffer() { + + // The stoned way of java to return an array from a vector + // brought to you by eclipse auto complete + return (LogItem[]) logbuffer.toArray(new LogItem[logbuffer.size()]); + + } + public static void logBuilderConfig(String[] bconfig) { + mBconfig = bconfig; + } + public static void triggerLogBuilderConfig() { + if(mBconfig==null) { + logMessage(0, "", "No active interface"); + } else { + for (String item : mBconfig) { + logMessage(0, "", item); + } + } + + } + + public static void updateStateString (String state, String msg) { + int rid = getLocalizedState(state); + updateStateString(state, msg,rid); + } + + public synchronized static void updateStateString(String state, String msg, int resid) { + if (! "BYTECOUNT".equals(state)) { + mLaststate= state; + mLaststatemsg = msg; + mLastStateresid = resid; + + for (StateListener sl : stateListener) { + sl.updateState(state,msg,resid); + } + } + } + + public static void logInfo(String message) { + newlogItem(new LogItem(LogItem.INFO, message)); + } + + public static void logInfo(int ressourceId, Object... args) { + newlogItem(new LogItem(LogItem.INFO, ressourceId, args)); + } + + private static void newlogItem(LogItem logItem) { + logbuffer.addLast(logItem); + if(logbuffer.size()>MAXLOGENTRIES) + logbuffer.removeFirst(); + + for (LogListener ll : logListener) { + ll.newLog(logItem); + } + } + + public static void logError(String msg) { + newlogItem(new LogItem(LogItem.ERROR, msg)); + + } + + public static void logError(int ressourceId) { + newlogItem(new LogItem(LogItem.ERROR, ressourceId)); + } + public static void logError(int ressourceId, Object... args) { + newlogItem(new LogItem(LogItem.ERROR, ressourceId,args)); + } + +} diff --git a/app/src/main/java/se/leap/openvpn/OpenVPNThread.java b/app/src/main/java/se/leap/openvpn/OpenVPNThread.java new file mode 100644 index 00000000..ffd21732 --- /dev/null +++ b/app/src/main/java/se/leap/openvpn/OpenVPNThread.java @@ -0,0 +1,130 @@ +package se.leap.openvpn; + +import java.io.BufferedReader; +import java.io.BufferedWriter; +import java.io.FileWriter; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.util.LinkedList; + +import se.leap.bitmaskclient.R; + +import android.util.Log; +import se.leap.openvpn.OpenVPN.LogItem; + +public class OpenVPNThread implements Runnable { + private static final String DUMP_PATH_STRING = "Dump path: "; + private static final String TAG = "OpenVPN"; + private String[] mArgv; + private Process mProcess; + private String mNativeDir; + private OpenVpnService mService; + private String mDumpPath; + + public OpenVPNThread(OpenVpnService service,String[] argv, String nativelibdir) + { + mArgv = argv; + mNativeDir = nativelibdir; + mService = service; + } + + public void stopProcess() { + mProcess.destroy(); + } + + + + @Override + public void run() { + try { + Log.i(TAG, "Starting openvpn"); + startOpenVPNThreadArgs(mArgv); + Log.i(TAG, "Giving up"); + } catch (Exception e) { + e.printStackTrace(); + Log.e(TAG, "OpenVPNThread Got " + e.toString()); + } finally { + int exitvalue = 0; + try { + exitvalue = mProcess.waitFor(); + } catch ( IllegalThreadStateException ite) { + OpenVPN.logError("Illegal Thread state: " + ite.getLocalizedMessage()); + } catch (InterruptedException ie) { + OpenVPN.logError("InterruptedException: " + ie.getLocalizedMessage()); + } + if( exitvalue != 0) + OpenVPN.logError("Process exited with exit value " + exitvalue); + +// OpenVPN.updateStateString("NOPROCESS","No process running.", R.string.state_noprocess); fixes bug #4565 + if(mDumpPath!=null) { + try { + BufferedWriter logout = new BufferedWriter(new FileWriter(mDumpPath + ".log")); + for(LogItem li :OpenVPN.getlogbuffer()){ + logout.write(li.getString(null) + "\n"); + } + logout.close(); + OpenVPN.logError(R.string.minidump_generated); + } catch (IOException e) { + OpenVPN.logError("Writing minidump log: " +e.getLocalizedMessage()); + } + } + + mService.processDied(); + Log.i(TAG, "Exiting"); + } + } + + private void startOpenVPNThreadArgs(String[] argv) { + LinkedList argvlist = new LinkedList(); + + for(String arg:argv) + argvlist.add(arg); + + ProcessBuilder pb = new ProcessBuilder(argvlist); + // Hack O rama + + // Hack until I find a good way to get the real library path + String applibpath = argv[0].replace("/cache/" + VpnProfile.MINIVPN , "/lib"); + + String lbpath = pb.environment().get("LD_LIBRARY_PATH"); + if(lbpath==null) + lbpath = applibpath; + else + lbpath = lbpath + ":" + applibpath; + + if (!applibpath.equals(mNativeDir)) { + lbpath = lbpath + ":" + mNativeDir; + } + + pb.environment().put("LD_LIBRARY_PATH", lbpath); + pb.redirectErrorStream(true); + try { + mProcess = pb.start(); + // Close the output, since we don't need it + mProcess.getOutputStream().close(); + InputStream in = mProcess.getInputStream(); + BufferedReader br = new BufferedReader(new InputStreamReader(in)); + + while(true) { + String logline = br.readLine(); + if(logline==null) + return; + + if (logline.startsWith(DUMP_PATH_STRING)) + mDumpPath = logline.substring(DUMP_PATH_STRING.length()); + + + OpenVPN.logMessage(0, "P:", logline); + } + + + } catch (IOException e) { + OpenVPN.logMessage(0, "", "Error reading from output of OpenVPN process"+ e.getLocalizedMessage()); + e.printStackTrace(); + stopProcess(); + } + + + } +} diff --git a/app/src/main/java/se/leap/openvpn/OpenVpnManagementThread.java b/app/src/main/java/se/leap/openvpn/OpenVpnManagementThread.java new file mode 100644 index 00000000..27a3db65 --- /dev/null +++ b/app/src/main/java/se/leap/openvpn/OpenVpnManagementThread.java @@ -0,0 +1,592 @@ +package se.leap.openvpn; + +import java.io.FileDescriptor; +import java.io.IOException; +import java.io.InputStream; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.net.InetSocketAddress; +import java.net.SocketAddress; +import java.security.InvalidKeyException; +import java.security.NoSuchAlgorithmException; +import java.security.PrivateKey; +import java.util.LinkedList; +import java.util.Vector; + +import javax.crypto.BadPaddingException; +import javax.crypto.Cipher; +import javax.crypto.IllegalBlockSizeException; +import javax.crypto.NoSuchPaddingException; + +import se.leap.bitmaskclient.R; +import android.content.SharedPreferences; +import android.net.LocalServerSocket; +import android.net.LocalSocket; +import android.os.Build; +import android.os.ParcelFileDescriptor; +import android.preference.PreferenceManager; +import android.util.Base64; +import android.util.Log; + +public class OpenVpnManagementThread implements Runnable { + + private static final String TAG = "openvpn"; + private LocalSocket mSocket; + private VpnProfile mProfile; + private OpenVpnService mOpenVPNService; + private LinkedList mFDList=new LinkedList(); + private int mBytecountinterval=2; + private long mLastIn=0; + private long mLastOut=0; + private LocalServerSocket mServerSocket; + private boolean mReleaseHold=true; + private boolean mWaitingForRelease=false; + private long mLastHoldRelease=0; + + private static Vector active=new Vector(); + + static private native void jniclose(int fdint); + static private native byte[] rsasign(byte[] input,int pkey) throws InvalidKeyException; + + public OpenVpnManagementThread(VpnProfile profile, LocalServerSocket mgmtsocket, OpenVpnService openVpnService) { + mProfile = profile; + mServerSocket = mgmtsocket; + mOpenVPNService = openVpnService; + + + SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(openVpnService); + boolean managemeNetworkState = prefs.getBoolean("netchangereconnect", true); + if(managemeNetworkState) + mReleaseHold=false; + + } + + static { + System.loadLibrary("opvpnutil"); + } + + public void managmentCommand(String cmd) { + if(mSocket!=null) { + try { + mSocket.getOutputStream().write(cmd.getBytes()); + mSocket.getOutputStream().flush(); + } catch (IOException e) { + // Ignore socket stack traces + } + } + } + + + @Override + public void run() { + Log.i(TAG, "Managment Socket Thread started"); + byte [] buffer =new byte[2048]; + // mSocket.setSoTimeout(5); // Setting a timeout cannot be that bad + + String pendingInput=""; + active.add(this); + + try { + // Wait for a client to connect + mSocket= mServerSocket.accept(); + InputStream instream = mSocket.getInputStream(); + + while(true) { + int numbytesread = instream.read(buffer); + if(numbytesread==-1) + return; + + FileDescriptor[] fds = null; + try { + fds = mSocket.getAncillaryFileDescriptors(); + } catch (IOException e) { + OpenVPN.logMessage(0, "", "Error reading fds from socket" + e.getLocalizedMessage()); + e.printStackTrace(); + } + if(fds!=null){ + + for (FileDescriptor fd : fds) { + + mFDList.add(fd); + } + } + + String input = new String(buffer,0,numbytesread,"UTF-8"); + + pendingInput += input; + + pendingInput=processInput(pendingInput); + + + + } + } catch (IOException e) { + e.printStackTrace(); + } + active.remove(this); + } + + //! Hack O Rama 2000! + private void protectFileDescriptor(FileDescriptor fd) { + Exception exp=null; + try { + Method getInt = FileDescriptor.class.getDeclaredMethod("getInt$"); + int fdint = (Integer) getInt.invoke(fd); + + // You can even get more evil by parsing toString() and extract the int from that :) + + mOpenVPNService.protect(fdint); + + //ParcelFileDescriptor pfd = ParcelFileDescriptor.fromFd(fdint); + //pfd.close(); + jniclose(fdint); + return; + } catch (NoSuchMethodException e) { + exp =e; + } catch (IllegalArgumentException e) { + exp =e; + } catch (IllegalAccessException e) { + exp =e; + } catch (InvocationTargetException e) { + exp =e; + } catch (NullPointerException e) { + exp =e; + } + if(exp!=null) { + exp.printStackTrace(); + Log.d("Openvpn", "Failed to retrieve fd from socket: " + fd); + OpenVPN.logMessage(0, "", "Failed to retrieve fd from socket: " + exp.getLocalizedMessage()); + } + } + + private String processInput(String pendingInput) { + + + while(pendingInput.contains("\n")) { + String[] tokens = pendingInput.split("\\r?\\n", 2); + processCommand(tokens[0]); + if(tokens.length == 1) + // No second part, newline was at the end + pendingInput=""; + else + pendingInput=tokens[1]; + } + return pendingInput; + } + + + private void processCommand(String command) { + Log.d(TAG, "processCommand: " + command); + + if (command.startsWith(">") && command.contains(":")) { + String[] parts = command.split(":",2); + String cmd = parts[0].substring(1); + String argument = parts[1]; + if(cmd.equals("INFO")) { + // Ignore greeting from mgmt + //logStatusMessage(command); + }else if (cmd.equals("PASSWORD")) { + processPWCommand(argument); + } else if (cmd.equals("HOLD")) { + handleHold(); + } else if (cmd.equals("NEED-OK")) { + processNeedCommand(argument); + } else if (cmd.equals("BYTECOUNT")){ + processByteCount(argument); + } else if (cmd.equals("STATE")) { + processState(argument); + } else if (cmd.equals("FATAL")){ + processState(","+cmd+","); //handles FATAL as state + } else if (cmd.equals("PROXY")) { + processProxyCMD(argument); + } else if (cmd.equals("LOG")) { + String[] args = argument.split(",",3); + // 0 unix time stamp + // 1 log level N,I,E etc. + // 2 log message + OpenVPN.logMessage(0, "", args[2]); + } else if (cmd.equals("RSA_SIGN")) { + processSignCommand(argument); + } else { + OpenVPN.logMessage(0, "MGMT:", "Got unrecognized command" + command); + Log.i(TAG, "Got unrecognized command" + command); + } + } else if (command.startsWith("SUCCESS:")) { //Fixes bug LEAP #4565 + if (command.equals("SUCCESS: signal SIGINT thrown")){ + Log.d(TAG, "SUCCESS: signal SIGINT thrown"); + processState(",EXITING,SIGINT,,"); + } + } else { + Log.i(TAG, "Got unrecognized line from managment" + command); + OpenVPN.logMessage(0, "MGMT:", "Got unrecognized line from management:" + command); + } + } + private void handleHold() { + if(mReleaseHold) { + releaseHoldCmd(); + } else { + mWaitingForRelease=true; + OpenVPN.updateStateString("NONETWORK", "",R.string.state_nonetwork); + } + } + private void releaseHoldCmd() { + if ((System.currentTimeMillis()- mLastHoldRelease) < 5000) { + try { + Thread.sleep(3000); + } catch (InterruptedException e) {} + + } + mWaitingForRelease=false; + mLastHoldRelease = System.currentTimeMillis(); + managmentCommand("hold release\n"); + managmentCommand("bytecount " + mBytecountinterval + "\n"); + managmentCommand("state on\n"); + } + + public void releaseHold() { + mReleaseHold=true; + if(mWaitingForRelease) + releaseHoldCmd(); + + } + + private void processProxyCMD(String argument) { + String[] args = argument.split(",",3); + SocketAddress proxyaddr = ProxyDetection.detectProxy(mProfile); + + + if(args.length >= 2) { + String proto = args[1]; + if(proto.equals("UDP")) { + proxyaddr=null; + } + } + + if(proxyaddr instanceof InetSocketAddress ){ + InetSocketAddress isa = (InetSocketAddress) proxyaddr; + + OpenVPN.logInfo(R.string.using_proxy, isa.getHostName(),isa.getPort()); + + String proxycmd = String.format("proxy HTTP %s %d\n", isa.getHostName(),isa.getPort()); + managmentCommand(proxycmd); + } else { + managmentCommand("proxy NONE\n"); + } + + } + private void processState(String argument) { + String[] args = argument.split(",",3); + String currentstate = args[1]; + if(args[2].equals(",,")){ + OpenVPN.updateStateString(currentstate,""); + } + else if (args[2].endsWith(",,")){ //fixes LEAP Bug #4546 + args[2] = (String) args[2].subSequence(0, args[2].length()-2); + Log.d(TAG, "processState() STATE: "+ currentstate + " msg: " + args[2]); + OpenVPN.updateStateString(currentstate,args[2]); + } + else{ + OpenVPN.updateStateString(currentstate,args[2]); + } + } + + private static int repeated_byte_counts = 0; + private void processByteCount(String argument) { + // >BYTECOUNT:{BYTES_IN},{BYTES_OUT} + int comma = argument.indexOf(','); + long in = Long.parseLong(argument.substring(0, comma)); + long out = Long.parseLong(argument.substring(comma+1)); + + long diffin = in - mLastIn; + long diffout = out - mLastOut; + if(diffin == 0 && diffout == 0) + repeated_byte_counts++; + if(repeated_byte_counts > 3) + Log.d("OpenVPN log", "Repeated byte count = " + repeated_byte_counts); + mLastIn=in; + mLastOut=out; + + String netstat = String.format("In: %8s, %8s/s Out %8s, %8s/s", + humanReadableByteCount(in, false), + humanReadableByteCount(diffin, false), + humanReadableByteCount(out, false), + humanReadableByteCount(diffout, false)); + OpenVPN.updateStateString("BYTECOUNT",netstat); + + + } + + // From: http://stackoverflow.com/questions/3758606/how-to-convert-byte-size-into-human-readable-format-in-java + public static String humanReadableByteCount(long bytes, boolean si) { + int unit = si ? 1000 : 1024; + if (bytes < unit) return bytes + " B"; + int exp = (int) (Math.log(bytes) / Math.log(unit)); + String pre = (si ? "kMGTPE" : "KMGTPE").charAt(exp-1) + (si ? "" : "i"); + return String.format("%.1f %sB", bytes / Math.pow(unit, exp), pre); + } + + private void processNeedCommand(String argument) { + int p1 =argument.indexOf('\''); + int p2 = argument.indexOf('\'',p1+1); + + String needed = argument.substring(p1+1, p2); + String extra = argument.split(":",2)[1]; + + String status = "ok"; + + + if (needed.equals("PROTECTFD")) { + FileDescriptor fdtoprotect = mFDList.pollFirst(); + protectFileDescriptor(fdtoprotect); + } else if (needed.equals("DNSSERVER")) { + mOpenVPNService.addDNS(extra); + }else if (needed.equals("DNSDOMAIN")){ + mOpenVPNService.setDomain(extra); + } else if (needed.equals("ROUTE")) { + String[] routeparts = extra.split(" "); + mOpenVPNService.addRoute(routeparts[0], routeparts[1]); + } else if (needed.equals("ROUTE6")) { + mOpenVPNService.addRoutev6(extra); + } else if (needed.equals("IFCONFIG")) { + String[] ifconfigparts = extra.split(" "); + int mtu = Integer.parseInt(ifconfigparts[2]); + mOpenVPNService.setLocalIP(ifconfigparts[0], ifconfigparts[1],mtu,ifconfigparts[3]); + } else if (needed.equals("IFCONFIG6")) { + mOpenVPNService.setLocalIPv6(extra); + + } else if (needed.equals("OPENTUN")) { + if(sendTunFD(needed,extra)) + return; + else + status="cancel"; + // This not nice or anything but setFileDescriptors accepts only FilDescriptor class :( + + } else { + Log.e(TAG,"Unkown needok command " + argument); + return; + } + + String cmd = String.format("needok '%s' %s\n", needed, status); + managmentCommand(cmd); + } + + private boolean sendTunFD (String needed, String extra) { + Exception exp = null; + if(!extra.equals("tun")) { + // We only support tun + String errmsg = String.format("Devicetype %s requested, but only tun is possible with the Android API, sorry!",extra); + OpenVPN.logMessage(0, "", errmsg ); + + return false; + } + ParcelFileDescriptor pfd = mOpenVPNService.openTun(); + if(pfd==null) + return false; + + Method setInt; + int fdint = pfd.getFd(); + try { + setInt = FileDescriptor.class.getDeclaredMethod("setInt$",int.class); + FileDescriptor fdtosend = new FileDescriptor(); + + setInt.invoke(fdtosend,fdint); + + FileDescriptor[] fds = {fdtosend}; + mSocket.setFileDescriptorsForSend(fds); + + Log.d("Openvpn", "Sending FD tosocket: " + fdtosend + " " + fdint + " " + pfd); + // Trigger a send so we can close the fd on our side of the channel + // The API documentation fails to mention that it will not reset the file descriptor to + // be send and will happily send the file descriptor on every write ... + String cmd = String.format("needok '%s' %s\n", needed, "ok"); + managmentCommand(cmd); + + // Set the FileDescriptor to null to stop this mad behavior + mSocket.setFileDescriptorsForSend(null); + + pfd.close(); + + return true; + } catch (NoSuchMethodException e) { + exp =e; + } catch (IllegalArgumentException e) { + exp =e; + } catch (IllegalAccessException e) { + exp =e; + } catch (InvocationTargetException e) { + exp =e; + } catch (IOException e) { + exp =e; + } + if(exp!=null) { + OpenVPN.logMessage(0,"", "Could not send fd over socket:" + exp.getLocalizedMessage()); + exp.printStackTrace(); + } + return false; + } + + private void processPWCommand(String argument) { + //argument has the form Need 'Private Key' password + // or ">PASSWORD:Verification Failed: '%s' ['%s']" + String needed; + + + + try{ + + int p1 = argument.indexOf('\''); + int p2 = argument.indexOf('\'',p1+1); + needed = argument.substring(p1+1, p2); + if (argument.startsWith("Verification Failed")) { + proccessPWFailed(needed, argument.substring(p2+1)); + return; + } + } catch (StringIndexOutOfBoundsException sioob) { + OpenVPN.logMessage(0, "", "Could not parse management Password command: " + argument); + return; + } + + String pw=null; + + if(needed.equals("Private Key")) { + pw = mProfile.getPasswordPrivateKey(); + } else if (needed.equals("Auth")) { + String usercmd = String.format("username '%s' %s\n", + needed, VpnProfile.openVpnEscape(mProfile.mUsername)); + managmentCommand(usercmd); + pw = mProfile.getPasswordAuth(); + } + if(pw!=null) { + String cmd = String.format("password '%s' %s\n", needed, VpnProfile.openVpnEscape(pw)); + managmentCommand(cmd); + } else { + OpenVPN.logMessage(0, OpenVPN.MANAGMENT_PREFIX, String.format("Openvpn requires Authentication type '%s' but no password/key information available", needed)); + } + + } + + + + + private void proccessPWFailed(String needed, String args) { + OpenVPN.updateStateString("AUTH_FAILED", needed + args,R.string.state_auth_failed); + } + private void logStatusMessage(String command) { + OpenVPN.logMessage(0,"MGMT:", command); + } + + + public static boolean stopOpenVPN() { + boolean sendCMD=false; + for (OpenVpnManagementThread mt: active){ + mt.managmentCommand("signal SIGINT\n"); + sendCMD=true; + try { + if(mt.mSocket !=null) + mt.mSocket.close(); + } catch (IOException e) { + // Ignore close error on already closed socket + } + } + return sendCMD; + } + + public void signalusr1() { + mReleaseHold=false; + if(!mWaitingForRelease) + managmentCommand("signal SIGUSR1\n"); + } + + public void reconnect() { + signalusr1(); + releaseHold(); + } + + private void processSignCommand(String b64data) { + + PrivateKey privkey = mProfile.getKeystoreKey(); + Exception err =null; + + byte[] data = Base64.decode(b64data, Base64.DEFAULT); + + // The Jelly Bean *evil* Hack + // 4.2 implements the RSA/ECB/PKCS1PADDING in the OpenSSLprovider + if(Build.VERSION.SDK_INT==16){ + processSignJellyBeans(privkey,data); + return; + } + + + try{ + + + Cipher rsasinger = Cipher.getInstance("RSA/ECB/PKCS1PADDING"); + + rsasinger.init(Cipher.ENCRYPT_MODE, privkey); + + byte[] signed_bytes = rsasinger.doFinal(data); + String signed_string = Base64.encodeToString(signed_bytes, Base64.NO_WRAP); + managmentCommand("rsa-sig\n"); + managmentCommand(signed_string); + managmentCommand("\nEND\n"); + } catch (NoSuchAlgorithmException e){ + err =e; + } catch (InvalidKeyException e) { + err =e; + } catch (NoSuchPaddingException e) { + err =e; + } catch (IllegalBlockSizeException e) { + err =e; + } catch (BadPaddingException e) { + err =e; + } + if(err !=null) { + OpenVPN.logError(R.string.error_rsa_sign,err.getClass().toString(),err.getLocalizedMessage()); + } + + } + + + private void processSignJellyBeans(PrivateKey privkey, byte[] data) { + Exception err =null; + try { + Method[] allm = privkey.getClass().getSuperclass().getDeclaredMethods(); + System.out.println(allm); + Method getKey = privkey.getClass().getSuperclass().getDeclaredMethod("getOpenSSLKey"); + getKey.setAccessible(true); + + // Real object type is OpenSSLKey + Object opensslkey = getKey.invoke(privkey); + + getKey.setAccessible(false); + + Method getPkeyContext = opensslkey.getClass().getDeclaredMethod("getPkeyContext"); + + // integer pointer to EVP_pkey + getPkeyContext.setAccessible(true); + int pkey = (Integer) getPkeyContext.invoke(opensslkey); + getPkeyContext.setAccessible(false); + + byte[] signed_bytes = rsasign(data, pkey); + String signed_string = Base64.encodeToString(signed_bytes, Base64.NO_WRAP); + managmentCommand("rsa-sig\n"); + managmentCommand(signed_string); + managmentCommand("\nEND\n"); + + } catch (NoSuchMethodException e) { + err=e; + } catch (IllegalArgumentException e) { + err=e; + } catch (IllegalAccessException e) { + err=e; + } catch (InvocationTargetException e) { + err=e; + } catch (InvalidKeyException e) { + err=e; + } + if(err !=null) { + OpenVPN.logError(R.string.error_rsa_sign,err.getClass().toString(),err.getLocalizedMessage()); + } + + } +} diff --git a/app/src/main/java/se/leap/openvpn/OpenVpnService.java b/app/src/main/java/se/leap/openvpn/OpenVpnService.java new file mode 100644 index 00000000..b5c9c798 --- /dev/null +++ b/app/src/main/java/se/leap/openvpn/OpenVpnService.java @@ -0,0 +1,504 @@ +package se.leap.openvpn; + +import java.io.IOException; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.util.Vector; + +import se.leap.bitmaskclient.Dashboard; +import se.leap.bitmaskclient.R; +import android.annotation.TargetApi; +import android.app.Notification; +import android.app.NotificationManager; +import android.app.PendingIntent; +import android.content.Context; +import android.content.Intent; +import android.content.IntentFilter; +import android.net.ConnectivityManager; +import android.net.LocalServerSocket; +import android.net.LocalSocket; +import android.net.LocalSocketAddress; +import android.net.VpnService; +import android.os.Binder; +import android.os.Handler.Callback; +import android.os.Build; +import android.os.IBinder; +import android.os.Message; +import android.os.ParcelFileDescriptor; +import se.leap.openvpn.OpenVPN.StateListener; + +public class OpenVpnService extends VpnService implements StateListener, Callback { + public static final String START_SERVICE = "se.leap.openvpn.START_SERVICE"; + public static final String RETRIEVE_SERVICE = "se.leap.openvpn.RETRIEVE_SERVICE"; + + private Thread mProcessThread=null; + + private Vector mDnslist=new Vector(); + + private VpnProfile mProfile; + + private String mDomain=null; + + private Vector mRoutes=new Vector(); + private Vector mRoutesv6=new Vector(); + + private CIDRIP mLocalIP=null; + + private OpenVpnManagementThread mSocketManager; + + private Thread mSocketManagerThread; + private int mMtu; + private String mLocalIPv6=null; + private NetworkSateReceiver mNetworkStateReceiver; + private NotificationManager mNotificationManager; + + private boolean mDisplayBytecount=false; + + private boolean mStarting=false; + + private long mConnecttime; + + + private static final int OPENVPN_STATUS = 1; + + public static final int PROTECT_FD = 0; + + private final IBinder mBinder = new LocalBinder(); + + public class LocalBinder extends Binder { + public OpenVpnService getService() { + // Return this instance of LocalService so clients can call public methods + return OpenVpnService.this; + } + } + + @Override + public IBinder onBind(Intent intent) { + String action = intent.getAction(); + if( action !=null && (action.equals(START_SERVICE) || action.equals(RETRIEVE_SERVICE)) ) + return mBinder; + else + return super.onBind(intent); + } + + @Override + public void onRevoke() { + OpenVpnManagementThread.stopOpenVPN(); + endVpnService(); + } + + // Similar to revoke but do not try to stop process + public void processDied() { + endVpnService(); + } + + private void endVpnService() { + mProcessThread=null; + OpenVPN.logBuilderConfig(null); + ProfileManager.setConntectedVpnProfileDisconnected(this); + if(!mStarting) { + stopSelf(); + stopForeground(true); + } + } + + private void showNotification(String state, String msg, String tickerText, boolean lowpriority, long when, boolean persistant) { + String ns = Context.NOTIFICATION_SERVICE; + mNotificationManager = (NotificationManager) getSystemService(ns); + int icon; + if (state.equals("NOPROCESS") || state.equals("AUTH_FAILED") || state.equals("NONETWORK") || state.equals("EXITING")){ + icon = R.drawable.ic_vpn_disconnected; + }else{ + icon = R.drawable.ic_stat_vpn; + } + + android.app.Notification.Builder nbuilder = new Notification.Builder(this); + + nbuilder.setContentTitle(getString(R.string.notifcation_title,mProfile.mLocation)); + nbuilder.setContentText(msg); + nbuilder.setOnlyAlertOnce(true); + nbuilder.setOngoing(persistant); + nbuilder.setContentIntent(getLogPendingIntent()); + nbuilder.setSmallIcon(icon); + if(when !=0) + nbuilder.setWhen(when); + + + // Try to set the priority available since API 16 (Jellybean) + jbNotificationExtras(lowpriority, nbuilder); + if(tickerText!=null) + nbuilder.setTicker(tickerText); + + @SuppressWarnings("deprecation") + Notification notification = nbuilder.getNotification(); + + + mNotificationManager.notify(OPENVPN_STATUS, notification); + } + + @TargetApi(Build.VERSION_CODES.JELLY_BEAN) + private void jbNotificationExtras(boolean lowpriority, + android.app.Notification.Builder nbuilder) { + try { + if(lowpriority) { + Method setpriority = nbuilder.getClass().getMethod("setPriority", int.class); + // PRIORITY_MIN == -2 + setpriority.invoke(nbuilder, -2 ); + + nbuilder.setUsesChronometer(true); + /* PendingIntent cancelconnet=null; + + nbuilder.addAction(android.R.drawable.ic_menu_close_clear_cancel, + getString(R.string.cancel_connection),cancelconnet); */ + } + + //ignore exception + } catch (NoSuchMethodException nsm) { + } catch (IllegalArgumentException e) { + } catch (IllegalAccessException e) { + } catch (InvocationTargetException e) { + } + + } + + PendingIntent getLogPendingIntent() { + // Let the configure Button show the Dashboard + Intent intent = new Intent(Dashboard.getAppContext(),Dashboard.class); + intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); + PendingIntent startLW = PendingIntent.getActivity(getApplicationContext(), 0, intent, PendingIntent.FLAG_UPDATE_CURRENT); + intent.addFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT); + return startLW; + + } + + + private LocalServerSocket openManagmentInterface(int tries) { + // Could take a while to open connection + String socketname = (getCacheDir().getAbsolutePath() + "/" + "mgmtsocket"); + LocalSocket sock = new LocalSocket(); + + while(tries > 0 && !sock.isConnected()) { + try { + sock.bind(new LocalSocketAddress(socketname, + LocalSocketAddress.Namespace.FILESYSTEM)); + } catch (IOException e) { + // wait 300 ms before retrying + try { Thread.sleep(300); + } catch (InterruptedException e1) {} + + } + tries--; + } + + try { + LocalServerSocket lss = new LocalServerSocket(sock.getFileDescriptor()); + return lss; + } catch (IOException e) { + e.printStackTrace(); + } + return null; + + + } + + void registerNetworkStateReceiver() { + // Registers BroadcastReceiver to track network connection changes. + IntentFilter filter = new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION); + mNetworkStateReceiver = new NetworkSateReceiver(mSocketManager); + this.registerReceiver(mNetworkStateReceiver, filter); + } + + + @Override + public int onStartCommand(Intent intent, int flags, int startId) { + + if( intent != null && intent.getAction() !=null && + (intent.getAction().equals(START_SERVICE) || intent.getAction().equals(RETRIEVE_SERVICE)) ) + return START_NOT_STICKY; + + + // Extract information from the intent. + String prefix = getPackageName(); + String[] argv = intent.getStringArrayExtra(prefix + ".ARGV"); + String nativelibdir = intent.getStringExtra(prefix + ".nativelib"); + String profileUUID = intent.getStringExtra(prefix + ".profileUUID"); + + mProfile = ProfileManager.get(profileUUID); + + //showNotification("Starting VPN " + mProfile.mName,"Starting VPN " + mProfile.mName, false,0); + + + OpenVPN.addStateListener(this); + + // Set a flag that we are starting a new VPN + mStarting=true; + // Stop the previous session by interrupting the thread. + if(OpenVpnManagementThread.stopOpenVPN()){ + // an old was asked to exit, wait 2s + try { + Thread.sleep(1000); + } catch (InterruptedException e) { + } + } + + if (mProcessThread!=null) { + mProcessThread.interrupt(); + try { + Thread.sleep(1000); + } catch (InterruptedException e) { + } + } + // An old running VPN should now be exited + mStarting=false; + + + // Open the Management Interface + LocalServerSocket mgmtsocket = openManagmentInterface(8); + + if(mgmtsocket!=null) { + // start a Thread that handles incoming messages of the managment socket + mSocketManager = new OpenVpnManagementThread(mProfile,mgmtsocket,this); + mSocketManagerThread = new Thread(mSocketManager,"OpenVPNMgmtThread"); + mSocketManagerThread.start(); + OpenVPN.logInfo("started Socket Thread"); + registerNetworkStateReceiver(); + } + + + // Start a new session by creating a new thread. + OpenVPNThread processThread = new OpenVPNThread(this, argv,nativelibdir); + + mProcessThread = new Thread(processThread, "OpenVPNProcessThread"); + mProcessThread.start(); + + ProfileManager.setConnectedVpnProfile(this, mProfile); + + return START_NOT_STICKY; + } + + @Override + public void onDestroy() { + if (mProcessThread != null) { + mSocketManager.managmentCommand("signal SIGINT\n"); + + mProcessThread.interrupt(); + } + if (mNetworkStateReceiver!= null) { + this.unregisterReceiver(mNetworkStateReceiver); + } + + } + + + + public ParcelFileDescriptor openTun() { + Builder builder = new Builder(); + + if(mLocalIP==null && mLocalIPv6==null) { + OpenVPN.logMessage(0, "", getString(R.string.opentun_no_ipaddr)); + return null; + } + + if(mLocalIP!=null) { + builder.addAddress(mLocalIP.mIp, mLocalIP.len); + } + + if(mLocalIPv6!=null) { + String[] ipv6parts = mLocalIPv6.split("/"); + builder.addAddress(ipv6parts[0],Integer.parseInt(ipv6parts[1])); + } + + + for (String dns : mDnslist ) { + try { + builder.addDnsServer(dns); + } catch (IllegalArgumentException iae) { + OpenVPN.logError(R.string.dns_add_error, dns,iae.getLocalizedMessage()); + } + } + + + builder.setMtu(mMtu); + + + for (CIDRIP route:mRoutes) { + try { + builder.addRoute(route.mIp, route.len); + } catch (IllegalArgumentException ia) { + OpenVPN.logMessage(0, "", getString(R.string.route_rejected) + route + " " + ia.getLocalizedMessage()); + } + } + + for(String v6route:mRoutesv6) { + try { + String[] v6parts = v6route.split("/"); + builder.addRoute(v6parts[0],Integer.parseInt(v6parts[1])); + } catch (IllegalArgumentException ia) { + OpenVPN.logMessage(0, "", getString(R.string.route_rejected) + v6route + " " + ia.getLocalizedMessage()); + } + } + + if(mDomain!=null) + builder.addSearchDomain(mDomain); + + String bconfig[] = new String[6]; + + bconfig[0]= getString(R.string.last_openvpn_tun_config); + bconfig[1] = getString(R.string.local_ip_info,mLocalIP.mIp,mLocalIP.len,mLocalIPv6, mMtu); + bconfig[2] = getString(R.string.dns_server_info, joinString(mDnslist)); + bconfig[3] = getString(R.string.dns_domain_info, mDomain); + bconfig[4] = getString(R.string.routes_info, joinString(mRoutes)); + bconfig[5] = getString(R.string.routes_info6, joinString(mRoutesv6)); + + String session = mProfile.mLocation; + /* we don't want the IP address in the notification bar + if(mLocalIP!=null && mLocalIPv6!=null) + session = getString(R.string.session_ipv6string,session, mLocalIP, mLocalIPv6); + else if (mLocalIP !=null) + session= getString(R.string.session_ipv4string, session, mLocalIP); + */ + builder.setSession(session); + + + OpenVPN.logBuilderConfig(bconfig); + + // No DNS Server, log a warning + if(mDnslist.size()==0) + OpenVPN.logInfo(R.string.warn_no_dns); + + // Reset information + mDnslist.clear(); + mRoutes.clear(); + mRoutesv6.clear(); + mLocalIP=null; + mLocalIPv6=null; + mDomain=null; + + builder.setConfigureIntent(getLogPendingIntent()); + + try { + ParcelFileDescriptor pfd = builder.establish(); + return pfd; + } catch (Exception e) { + OpenVPN.logMessage(0, "", getString(R.string.tun_open_error)); + OpenVPN.logMessage(0, "", getString(R.string.error) + e.getLocalizedMessage()); + OpenVPN.logMessage(0, "", getString(R.string.tun_error_helpful)); + return null; + } + + } + + + // Ugly, but java has no such method + private String joinString(Vector vec) { + String ret = ""; + if(vec.size() > 0){ + ret = vec.get(0).toString(); + for(int i=1;i < vec.size();i++) { + ret = ret + ", " + vec.get(i).toString(); + } + } + return ret; + } + + + + + + + public void addDNS(String dns) { + mDnslist.add(dns); + } + + + public void setDomain(String domain) { + if(mDomain==null) { + mDomain=domain; + } + } + + + public void addRoute(String dest, String mask) { + CIDRIP route = new CIDRIP(dest, mask); + if(route.len == 32 && !mask.equals("255.255.255.255")) { + OpenVPN.logMessage(0, "", getString(R.string.route_not_cidr,dest,mask)); + } + + if(route.normalise()) + OpenVPN.logMessage(0, "", getString(R.string.route_not_netip,dest,route.len,route.mIp)); + + mRoutes.add(route); + } + + public void addRoutev6(String extra) { + mRoutesv6.add(extra); + } + + + public void setLocalIP(String local, String netmask,int mtu, String mode) { + mLocalIP = new CIDRIP(local, netmask); + mMtu = mtu; + + if(mLocalIP.len == 32 && !netmask.equals("255.255.255.255")) { + // get the netmask as IP + long netint = CIDRIP.getInt(netmask); + if(Math.abs(netint - mLocalIP.getInt()) ==1) { + if(mode.equals("net30")) + mLocalIP.len=30; + else + mLocalIP.len=31; + } else { + OpenVPN.logMessage(0, "", getString(R.string.ip_not_cidr, local,netmask,mode)); + } + } + } + + public void setLocalIPv6(String ipv6addr) { + mLocalIPv6 = ipv6addr; + } + + public boolean isRunning() { + if (mStarting == true || mProcessThread != null) + return true; + else + return false; + } + + @Override + public void updateState(String state,String logmessage, int resid) { + // If the process is not running, ignore any state, + // Notification should be invisible in this state + if(mProcessThread==null) + return; + if("CONNECTED".equals(state)) { + mNotificationManager.cancel(OPENVPN_STATUS); + } else if(!"BYTECOUNT".equals(state)) { + + // Other notifications are shown, + // This also mean we are no longer connected, ignore bytecount messages until next + // CONNECTED + String ticker = getString(resid); + boolean persist = false; + if (("NOPROCESS".equals(state) ) || ("EXITING").equals(state)){ + showNotification(state, getString(R.string.eip_state_not_connected), ticker, false, 0, persist); + } + else if (state.equals("GET_CONFIG") || state.equals("ASSIGN_IP")){ //don't show them in the notification message + } + else{ + persist = true; + showNotification(state, getString(resid) +" " + logmessage,ticker,false,0,persist); + } + } + } + + @Override + public boolean handleMessage(Message msg) { + Runnable r = msg.getCallback(); + if(r!=null){ + r.run(); + return true; + } else { + return false; + } + } +} diff --git a/app/src/main/java/se/leap/openvpn/ProfileManager.java b/app/src/main/java/se/leap/openvpn/ProfileManager.java new file mode 100644 index 00000000..b9eb3ab6 --- /dev/null +++ b/app/src/main/java/se/leap/openvpn/ProfileManager.java @@ -0,0 +1,220 @@ +package se.leap.openvpn; + +import java.io.FileNotFoundException; +import java.io.IOException; +import java.io.ObjectInputStream; +import java.io.ObjectOutputStream; +import java.io.StreamCorruptedException; +import java.util.Collection; +import java.util.HashMap; +import java.util.HashSet; +import java.util.Set; +import android.app.Activity; +import android.content.Context; +import android.content.SharedPreferences; +import android.content.SharedPreferences.Editor; +import android.preference.PreferenceManager; + +public class ProfileManager { + private static final String PREFS_NAME = "VPNList"; + + + + private static final String ONBOOTPROFILE = "onBootProfile"; + + + + private static ProfileManager instance; + + + + private static VpnProfile mLastConnectedVpn=null; + private HashMap profiles=new HashMap(); + private static VpnProfile tmpprofile=null; + + + public static VpnProfile get(String key) { + if (tmpprofile!=null && tmpprofile.getUUIDString().equals(key)) + return tmpprofile; + + if(instance==null) + return null; + return instance.profiles.get(key); + + } + + + + private ProfileManager() { } + + private static void checkInstance(Context context) { + if(instance == null) { + instance = new ProfileManager(); + instance.loadVPNList(context); + } + } + + synchronized public static ProfileManager getInstance(Context context) { + checkInstance(context); + return instance; + } + + public static void setConntectedVpnProfileDisconnected(Context c) { + SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(c); + Editor prefsedit = prefs.edit(); + prefsedit.putString(ONBOOTPROFILE, null); + prefsedit.apply(); + + } + + public static void setConnectedVpnProfile(Context c, VpnProfile connectedrofile) { + SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(c); + Editor prefsedit = prefs.edit(); + + prefsedit.putString(ONBOOTPROFILE, connectedrofile.getUUIDString()); + prefsedit.apply(); + mLastConnectedVpn=connectedrofile; + + } + + public static VpnProfile getOnBootProfile(Context c) { + SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(c); + + boolean useStartOnBoot = prefs.getBoolean("restartvpnonboot", false); + + + String mBootProfileUUID = prefs.getString(ONBOOTPROFILE,null); + if(useStartOnBoot && mBootProfileUUID!=null) + return get(c, mBootProfileUUID); + else + return null; + } + + + + + public Collection getProfiles() { + return profiles.values(); + } + + public VpnProfile getProfileByName(String name) { + for (VpnProfile vpnp : profiles.values()) { + if(vpnp.getName().equals(name)) { + return vpnp; + } + } + return null; + } + + public void saveProfileList(Context context) { + SharedPreferences sharedprefs = context.getSharedPreferences(PREFS_NAME,Activity.MODE_PRIVATE); + Editor editor = sharedprefs.edit(); + editor.putStringSet("vpnlist", profiles.keySet()); + + // For reasing I do not understand at all + // Android saves my prefs file only one time + // if I remove the debug code below :( + int counter = sharedprefs.getInt("counter", 0); + editor.putInt("counter", counter+1); + editor.apply(); + + } + + public void addProfile(VpnProfile profile) { + profiles.put(profile.getUUID().toString(),profile); + + } + + public static void setTemporaryProfile(VpnProfile tmp) { + ProfileManager.tmpprofile = tmp; + } + + + public void saveProfile(Context context,VpnProfile profile) { + // First let basic settings save its state + + ObjectOutputStream vpnfile; + try { + vpnfile = new ObjectOutputStream(context.openFileOutput((profile.getUUID().toString() + ".vp"),Activity.MODE_PRIVATE)); + + vpnfile.writeObject(profile); + vpnfile.flush(); + vpnfile.close(); + } catch (FileNotFoundException e) { + + e.printStackTrace(); + throw new RuntimeException(e); + } catch (IOException e) { + + e.printStackTrace(); + throw new RuntimeException(e); + + } + } + + + private void loadVPNList(Context context) { + profiles = new HashMap(); + SharedPreferences listpref = context.getSharedPreferences(PREFS_NAME,Activity.MODE_PRIVATE); + Set vlist = listpref.getStringSet("vpnlist", null); + Exception exp =null; + if(vlist==null){ + vlist = new HashSet(); + } + + for (String vpnentry : vlist) { + try { + ObjectInputStream vpnfile = new ObjectInputStream(context.openFileInput(vpnentry + ".vp")); + VpnProfile vp = ((VpnProfile) vpnfile.readObject()); + + // Sanity check + if(vp==null || vp.mName==null || vp.getUUID()==null) + continue; + + profiles.put(vp.getUUID().toString(), vp); + + } catch (StreamCorruptedException e) { + exp=e; + } catch (FileNotFoundException e) { + exp=e; + } catch (IOException e) { + exp=e; + } catch (ClassNotFoundException e) { + exp=e; + } + if(exp!=null) { + exp.printStackTrace(); + } + } + } + + public int getNumberOfProfiles() { + return profiles.size(); + } + + + + public void removeProfile(Context context,VpnProfile profile) { + String vpnentry = profile.getUUID().toString(); + profiles.remove(vpnentry); + saveProfileList(context); + context.deleteFile(vpnentry + ".vp"); + if(mLastConnectedVpn==profile) + mLastConnectedVpn=null; + + } + + + + public static VpnProfile get(Context context, String profileUUID) { + checkInstance(context); + return get(profileUUID); + } + + + + public static VpnProfile getLastConnectedVpn() { + return mLastConnectedVpn; + } + +} diff --git a/app/src/main/java/se/leap/openvpn/ProxyDetection.java b/app/src/main/java/se/leap/openvpn/ProxyDetection.java new file mode 100644 index 00000000..c7b3d196 --- /dev/null +++ b/app/src/main/java/se/leap/openvpn/ProxyDetection.java @@ -0,0 +1,54 @@ +package se.leap.openvpn; + +import java.net.InetSocketAddress; +import java.net.MalformedURLException; +import java.net.Proxy; +import java.net.ProxySelector; +import java.net.SocketAddress; +import java.net.URISyntaxException; +import java.net.URL; +import java.util.List; + +import se.leap.bitmaskclient.R; + +public class ProxyDetection { + static SocketAddress detectProxy(VpnProfile vp) { + // Construct a new url with https as protocol + try { + URL url = new URL(String.format("https://%s:%s",vp.mServerName,vp.mServerPort)); + Proxy proxy = getFirstProxy(url); + + if(proxy==null) + return null; + SocketAddress addr = proxy.address(); + if (addr instanceof InetSocketAddress) { + return addr; + } + + } catch (MalformedURLException e) { + OpenVPN.logError(R.string.getproxy_error,e.getLocalizedMessage()); + } catch (URISyntaxException e) { + OpenVPN.logError(R.string.getproxy_error,e.getLocalizedMessage()); + } + return null; + } + + static Proxy getFirstProxy(URL url) throws URISyntaxException { + System.setProperty("java.net.useSystemProxies", "true"); + + List proxylist = ProxySelector.getDefault().select(url.toURI()); + + + if (proxylist != null) { + for (Proxy proxy: proxylist) { + SocketAddress addr = proxy.address(); + + if (addr != null) { + return proxy; + } + } + + } + return null; + } +} \ No newline at end of file diff --git a/app/src/main/java/se/leap/openvpn/VPNLaunchHelper.java b/app/src/main/java/se/leap/openvpn/VPNLaunchHelper.java new file mode 100644 index 00000000..418cf7e9 --- /dev/null +++ b/app/src/main/java/se/leap/openvpn/VPNLaunchHelper.java @@ -0,0 +1,76 @@ +package se.leap.openvpn; + +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.InputStream; + +import se.leap.bitmaskclient.R; + +import android.content.Context; +import android.content.Intent; +import android.os.Build; + +public class VPNLaunchHelper { + static private boolean writeMiniVPN(Context context) { + File mvpnout = new File(context.getCacheDir(),VpnProfile.MINIVPN); + if (mvpnout.exists() && mvpnout.canExecute()) + return true; + + IOException e2 = null; + + try { + InputStream mvpn; + + try { + mvpn = context.getAssets().open("minivpn." + Build.CPU_ABI); + } + catch (IOException errabi) { + OpenVPN.logInfo("Failed getting assets for archicture " + Build.CPU_ABI); + e2=errabi; + mvpn = context.getAssets().open("minivpn." + Build.CPU_ABI2); + + } + + + FileOutputStream fout = new FileOutputStream(mvpnout); + + byte buf[]= new byte[4096]; + + int lenread = mvpn.read(buf); + while(lenread> 0) { + fout.write(buf, 0, lenread); + lenread = mvpn.read(buf); + } + fout.close(); + + if(!mvpnout.setExecutable(true)) { + OpenVPN.logMessage(0, "","Failed to set minivpn executable"); + return false; + } + + + return true; + } catch (IOException e) { + if(e2!=null) + OpenVPN.logMessage(0, "",e2.getLocalizedMessage()); + OpenVPN.logMessage(0, "",e.getLocalizedMessage()); + e.printStackTrace(); + return false; + } + } + + + public static void startOpenVpn(VpnProfile startprofile, Context context) { + if(!writeMiniVPN(context)) { + OpenVPN.logMessage(0, "", "Error writing minivpn binary"); + return; + } + OpenVPN.logMessage(0, "", context.getString(R.string.building_configration)); + + Intent startVPN = startprofile.prepareIntent(context); + if(startVPN!=null) + context.startService(startVPN); + + } +} diff --git a/app/src/main/java/se/leap/openvpn/VpnProfile.java b/app/src/main/java/se/leap/openvpn/VpnProfile.java new file mode 100644 index 00000000..481819ad --- /dev/null +++ b/app/src/main/java/se/leap/openvpn/VpnProfile.java @@ -0,0 +1,758 @@ +package se.leap.openvpn; + +import java.io.ByteArrayInputStream; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import java.io.FileReader; +import java.io.FileWriter; +import java.io.IOException; +import java.io.InputStream; +import java.io.Serializable; +import java.security.PrivateKey; +import java.security.cert.Certificate; +import java.security.cert.CertificateException; +import java.security.cert.CertificateFactory; +import java.security.cert.X509Certificate; +import java.util.Collection; +import java.util.UUID; +import java.util.Vector; + +import org.spongycastle.util.io.pem.PemObject; +import org.spongycastle.util.io.pem.PemWriter; + +import se.leap.bitmaskclient.ConfigHelper; +import se.leap.bitmaskclient.Dashboard; +import se.leap.bitmaskclient.EIP; +import se.leap.bitmaskclient.Provider; +import se.leap.bitmaskclient.R; + +import android.content.Context; +import android.content.Intent; +import android.content.SharedPreferences; +import android.content.pm.ApplicationInfo; +import android.preference.PreferenceManager; +import android.security.KeyChain; +import android.security.KeyChainException; + +public class VpnProfile implements Serializable{ + // Parcable + /** + * + */ + private static final long serialVersionUID = 7085688938959334563L; + static final int TYPE_CERTIFICATES=0; + static final int TYPE_PKCS12=1; + static final int TYPE_KEYSTORE=2; + public static final int TYPE_USERPASS = 3; + public static final int TYPE_STATICKEYS = 4; + public static final int TYPE_USERPASS_CERTIFICATES = 5; + public static final int TYPE_USERPASS_PKCS12 = 6; + public static final int TYPE_USERPASS_KEYSTORE = 7; + + // Don't change this, not all parts of the program use this constant + public static final String EXTRA_PROFILEUUID = "se.leap.bitmaskclient.profileUUID"; // TODO this feels wrong. See Issue #1494 + public static final String INLINE_TAG = "[[INLINE]]"; + private static final String OVPNCONFIGFILE = "android.conf"; + + protected transient String mTransientPW=null; + protected transient String mTransientPCKS12PW=null; + private transient PrivateKey mPrivateKey; + protected boolean profileDleted=false; + + + public static String DEFAULT_DNS1="131.234.137.23"; + public static String DEFAULT_DNS2="131.234.137.24"; + + // Public attributes, since I got mad with getter/setter + // set members to default values + private UUID mUuid; + public int mAuthenticationType = TYPE_CERTIFICATES ; + public String mName; + public String mLocation; + public String mAlias; + public String mClientCertFilename; + public String mTLSAuthDirection=""; + public String mTLSAuthFilename; + public String mClientKeyFilename; + public String mCaFilename; + public boolean mUseLzo=true; + public String mServerPort= "1194" ; + public boolean mUseUdp = true; + public String mPKCS12Filename; + public String mPKCS12Password; + public boolean mUseTLSAuth = false; + public String mServerName = "openvpn.blinkt.de" ; + public String mDNS1=DEFAULT_DNS1; + public String mDNS2=DEFAULT_DNS2; + public String mIPv4Address; + public String mIPv6Address; + public boolean mOverrideDNS=false; + public String mSearchDomain="blinkt.de"; + public boolean mUseDefaultRoute=true; + public boolean mUsePull=true; + public String mCustomRoutes; + public boolean mCheckRemoteCN=false; + public boolean mExpectTLSCert=true; + public String mRemoteCN=""; + public String mPassword=""; + public String mUsername=""; + public boolean mRoutenopull=false; + public boolean mUseRandomHostname=false; + public boolean mUseFloat=false; + public boolean mUseCustomConfig=false; + public String mCustomConfigOptions=""; + public String mVerb="1"; + public String mCipher=""; + public boolean mNobind=false; + public boolean mUseDefaultRoutev6=true; + public String mCustomRoutesv6=""; + public String mKeyPassword=""; + public boolean mPersistTun = false; + public String mConnectRetryMax="5"; + public String mConnectRetry="10"; + public boolean mUserEditable=true; + + static final String MINIVPN = "miniopenvpn"; + + + + + + + public void clearDefaults() { + mServerName="unkown"; + mUsePull=false; + mUseLzo=false; + mUseDefaultRoute=false; + mUseDefaultRoutev6=false; + mExpectTLSCert=false; + mPersistTun = false; + } + + + public static String openVpnEscape(String unescaped) { + if(unescaped==null) + return null; + String escapedString = unescaped.replace("\\", "\\\\"); + escapedString = escapedString.replace("\"","\\\""); + escapedString = escapedString.replace("\n","\\n"); + + if (escapedString.equals(unescaped) && !escapedString.contains(" ") && !escapedString.contains("#")) + return unescaped; + else + return '"' + escapedString + '"'; + } + + + static final String OVPNCONFIGCA = "android-ca.pem"; + static final String OVPNCONFIGUSERCERT = "android-user.pem"; + + + public VpnProfile(String name) { + mUuid = UUID.randomUUID(); + mName = name; + } + + public UUID getUUID() { + return mUuid; + + } + + public String getName() { + return mName; + } + + + public String getConfigFile(Context context) + { + + File cacheDir= context.getCacheDir(); + String cfg=""; + + // Enable managment interface + cfg += "# Enables connection to GUI\n"; + cfg += "management "; + + cfg +=cacheDir.getAbsolutePath() + "/" + "mgmtsocket"; + cfg += " unix\n"; + cfg += "management-client\n"; + // Not needed, see updated man page in 2.3 + //cfg += "management-signal\n"; + cfg += "management-query-passwords\n"; + cfg += "management-hold\n\n"; + + /* tmp-dir patched out :) + cfg+="# /tmp does not exist on Android\n"; + cfg+="tmp-dir "; + cfg+=cacheDir.getAbsolutePath(); + cfg+="\n\n"; */ + + cfg+="# Log window is better readable this way\n"; + cfg+="suppress-timestamps\n"; + + + + boolean useTLSClient = (mAuthenticationType != TYPE_STATICKEYS); + + if(useTLSClient && mUsePull) + cfg+="client\n"; + else if (mUsePull) + cfg+="pull\n"; + else if(useTLSClient) + cfg+="tls-client\n"; + + + cfg+="verb " + mVerb + "\n"; + + if(mConnectRetryMax ==null) { + mConnectRetryMax="5"; + } + + if(!mConnectRetryMax.equals("-1")) + cfg+="connect-retry-max " + mConnectRetryMax+ "\n"; + + if(mConnectRetry==null) + mConnectRetry="10"; + + + cfg+="connect-retry " + mConnectRetry + "\n"; + + cfg+="resolv-retry 60\n"; + + + + // We cannot use anything else than tun + cfg+="dev tun\n"; + + // Server Address + cfg+="remote "; + cfg+=mServerName; + cfg+=" "; + cfg+=mServerPort; + if(mUseUdp) + cfg+=" udp\n"; + else + cfg+=" tcp-client\n"; + + + + + switch(mAuthenticationType) { + case VpnProfile.TYPE_USERPASS_CERTIFICATES: + cfg+="auth-user-pass\n"; + case VpnProfile.TYPE_CERTIFICATES: + /*// Ca + cfg+=insertFileData("ca",mCaFilename); + + // Client Cert + Key + cfg+=insertFileData("key",mClientKeyFilename); + cfg+=insertFileData("cert",mClientCertFilename); +*/ + // FIXME This is all we need...The whole switch statement can go... + SharedPreferences preferences = context.getSharedPreferences(Dashboard.SHARED_PREFERENCES, context.MODE_PRIVATE); + cfg+="\n"+preferences.getString(Provider.CA_CERT, "")+"\n\n"; + cfg+="\n"+preferences.getString(EIP.PRIVATE_KEY, "")+"\n\n"; + cfg+="\n"+preferences.getString(EIP.CERTIFICATE, "")+"\n\n"; + + break; + case VpnProfile.TYPE_USERPASS_PKCS12: + cfg+="auth-user-pass\n"; + case VpnProfile.TYPE_PKCS12: + cfg+=insertFileData("pkcs12",mPKCS12Filename); + break; + + case VpnProfile.TYPE_USERPASS_KEYSTORE: + cfg+="auth-user-pass\n"; + case VpnProfile.TYPE_KEYSTORE: + cfg+="ca " + cacheDir.getAbsolutePath() + "/" + OVPNCONFIGCA + "\n"; + cfg+="cert " + cacheDir.getAbsolutePath() + "/" + OVPNCONFIGUSERCERT + "\n"; + cfg+="management-external-key\n"; + + break; + case VpnProfile.TYPE_USERPASS: + cfg+="auth-user-pass\n"; + cfg+=insertFileData("ca",mCaFilename); + } + + if(mUseLzo) { + cfg+="comp-lzo\n"; + } + + if(mUseTLSAuth) { + if(mAuthenticationType==TYPE_STATICKEYS) + cfg+=insertFileData("secret",mTLSAuthFilename); + else + cfg+=insertFileData("tls-auth",mTLSAuthFilename); + + if(nonNull(mTLSAuthDirection)) { + cfg+= "key-direction "; + cfg+= mTLSAuthDirection; + cfg+="\n"; + } + + } + + if(!mUsePull ) { + if(nonNull(mIPv4Address)) + cfg +="ifconfig " + cidrToIPAndNetmask(mIPv4Address) + "\n"; + + if(nonNull(mIPv6Address)) + cfg +="ifconfig-ipv6 " + mIPv6Address + "\n"; + } + + if(mUsePull && mRoutenopull) + cfg += "route-nopull\n"; + + String routes = ""; + int numroutes=0; + if(mUseDefaultRoute) + routes += "route 0.0.0.0 0.0.0.0\n"; + else + for(String route:getCustomRoutes()) { + routes += "route " + route + "\n"; + numroutes++; + } + + + if(mUseDefaultRoutev6) + cfg += "route-ipv6 ::/0\n"; + else + for(String route:getCustomRoutesv6()) { + routes += "route-ipv6 " + route + "\n"; + numroutes++; + } + + // Round number to next 100 + if(numroutes> 90) { + numroutes = ((numroutes / 100)+1) * 100; + cfg+="# Alot of routes are set, increase max-routes\n"; + cfg+="max-routes " + numroutes + "\n"; + } + cfg+=routes; + + if(mOverrideDNS || !mUsePull) { + if(nonNull(mDNS1)) + cfg+="dhcp-option DNS " + mDNS1 + "\n"; + if(nonNull(mDNS2)) + cfg+="dhcp-option DNS " + mDNS2 + "\n"; + if(nonNull(mSearchDomain)) + cfg+="dhcp-option DOMAIN " + mSearchDomain + "\n"; + + } + + if(mNobind) + cfg+="nobind\n"; + + + + // Authentication + if(mCheckRemoteCN) { + if(mRemoteCN == null || mRemoteCN.equals("") ) + cfg+="tls-remote " + mServerName + "\n"; + else + cfg += "tls-remote " + openVpnEscape(mRemoteCN) + "\n"; + } + if(mExpectTLSCert) + cfg += "remote-cert-tls server\n"; + + + if(nonNull(mCipher)){ + cfg += "cipher " + mCipher + "\n"; + } + + + // Obscure Settings dialog + if(mUseRandomHostname) + cfg += "#my favorite options :)\nremote-random-hostname\n"; + + if(mUseFloat) + cfg+= "float\n"; + + if(mPersistTun) { + cfg+= "persist-tun\n"; + cfg+= "# persist-tun also sets persist-remote-ip to avoid DNS resolve problem\n"; + cfg+= "persist-remote-ip\n"; + } + + SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context); + boolean usesystemproxy = prefs.getBoolean("usesystemproxy", true); + if(usesystemproxy) { + cfg+= "# Use system proxy setting\n"; + cfg+= "management-query-proxy\n"; + } + + + if(mUseCustomConfig) { + cfg += "# Custom configuration options\n"; + cfg += "# You are on your on own here :)\n"; + cfg += mCustomConfigOptions; + cfg += "\n"; + + } + + + + return cfg; + } + + //! Put inline data inline and other data as normal escaped filename + private String insertFileData(String cfgentry, String filedata) { + if(filedata==null) { + return String.format("%s %s\n",cfgentry,"missing"); + }else if(filedata.startsWith(VpnProfile.INLINE_TAG)){ + String datawoheader = filedata.substring(VpnProfile.INLINE_TAG.length()); + return String.format("<%s>\n%s\n\n",cfgentry,datawoheader,cfgentry); + } else { + return String.format("%s %s\n",cfgentry,openVpnEscape(filedata)); + } + } + + private boolean nonNull(String val) { + if(val == null || val.equals("")) + return false; + else + return true; + } + + private Collection getCustomRoutes() { + Vector cidrRoutes=new Vector(); + if(mCustomRoutes==null) { + // No routes set, return empty vector + return cidrRoutes; + } + for(String route:mCustomRoutes.split("[\n \t]")) { + if(!route.equals("")) { + String cidrroute = cidrToIPAndNetmask(route); + if(cidrRoutes == null) + return null; + + cidrRoutes.add(cidrroute); + } + } + + return cidrRoutes; + } + + private Collection getCustomRoutesv6() { + Vector cidrRoutes=new Vector(); + if(mCustomRoutesv6==null) { + // No routes set, return empty vector + return cidrRoutes; + } + for(String route:mCustomRoutesv6.split("[\n \t]")) { + if(!route.equals("")) { + cidrRoutes.add(route); + } + } + + return cidrRoutes; + } + + + + private String cidrToIPAndNetmask(String route) { + String[] parts = route.split("/"); + + // No /xx, assume /32 as netmask + if (parts.length ==1) + parts = (route + "/32").split("/"); + + if (parts.length!=2) + return null; + int len; + try { + len = Integer.parseInt(parts[1]); + } catch(NumberFormatException ne) { + return null; + } + if (len <0 || len >32) + return null; + + + long nm = 0xffffffffl; + nm = (nm << (32-len)) & 0xffffffffl; + + String netmask =String.format("%d.%d.%d.%d", (nm & 0xff000000) >> 24,(nm & 0xff0000) >> 16, (nm & 0xff00) >> 8 ,nm & 0xff ); + return parts[0] + " " + netmask; + } + + + + private String[] buildOpenvpnArgv(File cacheDir) + { + Vector args = new Vector(); + + // Add fixed paramenters + //args.add("/data/data/se.leap.openvpn/lib/openvpn"); + args.add(cacheDir.getAbsolutePath() +"/" + VpnProfile.MINIVPN); + + args.add("--config"); + args.add(cacheDir.getAbsolutePath() + "/" + OVPNCONFIGFILE); + // Silences script security warning + + args.add("script-security"); + args.add("0"); + + + return (String[]) args.toArray(new String[args.size()]); + } + + public Intent prepareIntent(Context context) { + String prefix = context.getPackageName(); + + Intent intent = new Intent(context,OpenVpnService.class); + + if(mAuthenticationType == VpnProfile.TYPE_KEYSTORE || mAuthenticationType == VpnProfile.TYPE_USERPASS_KEYSTORE) { + /*if(!saveCertificates(context)) + return null;*/ + } + + intent.putExtra(prefix + ".ARGV" , buildOpenvpnArgv(context.getCacheDir())); + intent.putExtra(prefix + ".profileUUID", mUuid.toString()); + + ApplicationInfo info = context.getApplicationInfo(); + intent.putExtra(prefix +".nativelib",info.nativeLibraryDir); + + try { + FileWriter cfg = new FileWriter(context.getCacheDir().getAbsolutePath() + "/" + OVPNCONFIGFILE); + cfg.write(getConfigFile(context)); + cfg.flush(); + cfg.close(); + } catch (IOException e) { + e.printStackTrace(); + } + + return intent; + } + + private boolean saveCertificates(Context context) { + PrivateKey privateKey = null; + X509Certificate[] cachain=null; + try { + privateKey = KeyChain.getPrivateKey(context,mAlias); + mPrivateKey = privateKey; + + cachain = KeyChain.getCertificateChain(context, mAlias); + if(cachain.length <= 1 && !nonNull(mCaFilename)) + OpenVPN.logMessage(0, "", context.getString(R.string.keychain_nocacert)); + + for(X509Certificate cert:cachain) { + OpenVPN.logInfo(R.string.cert_from_keystore,cert.getSubjectDN()); + } + + + + + if(nonNull(mCaFilename)) { + try { + Certificate cacert = getCacertFromFile(); + X509Certificate[] newcachain = new X509Certificate[cachain.length+1]; + for(int i=0;i= 1){ + X509Certificate usercert = cachain[0]; + + FileWriter userout = new FileWriter(context.getCacheDir().getAbsolutePath() + "/" + VpnProfile.OVPNCONFIGUSERCERT); + + PemWriter upw = new PemWriter(userout); + upw.writeObject(new PemObject("CERTIFICATE", usercert.getEncoded())); + upw.close(); + + } + + return true; + } catch (InterruptedException e) { + e.printStackTrace(); + } catch (FileNotFoundException e) { + e.printStackTrace(); + } catch (CertificateException e) { + e.printStackTrace(); + } catch (IOException e) { + e.printStackTrace(); + } catch (KeyChainException e) { + OpenVPN.logMessage(0,"",context.getString(R.string.keychain_access)); + } + return false; + } + private Certificate getCacertFromFile() throws FileNotFoundException, CertificateException { + CertificateFactory certFact = CertificateFactory.getInstance("X.509"); + + InputStream inStream; + + if(mCaFilename.startsWith(INLINE_TAG)) + inStream = new ByteArrayInputStream(mCaFilename.replace(INLINE_TAG,"").getBytes()); + else + inStream = new FileInputStream(mCaFilename); + + return certFact.generateCertificate(inStream); + } + + + //! Return an error if somethign is wrong + public int checkProfile(Context context) { +/* if(mAuthenticationType==TYPE_KEYSTORE || mAuthenticationType==TYPE_USERPASS_KEYSTORE) { + if(mAlias==null) + return R.string.no_keystore_cert_selected; + }*/ + + if(!mUsePull) { + if(mIPv4Address == null || cidrToIPAndNetmask(mIPv4Address) == null) + return R.string.ipv4_format_error; + } + if(isUserPWAuth() && !nonNull(mUsername)) { + return R.string.error_empty_username; + } + if(!mUseDefaultRoute && getCustomRoutes()==null) + return R.string.custom_route_format_error; + + // Everything okay + return R.string.no_error_found; + + } + + //! Openvpn asks for a "Private Key", this should be pkcs12 key + // + public String getPasswordPrivateKey() { + if(mTransientPCKS12PW!=null) { + String pwcopy = mTransientPCKS12PW; + mTransientPCKS12PW=null; + return pwcopy; + } + switch (mAuthenticationType) { + case TYPE_PKCS12: + case TYPE_USERPASS_PKCS12: + return mPKCS12Password; + + case TYPE_CERTIFICATES: + case TYPE_USERPASS_CERTIFICATES: + return mKeyPassword; + + case TYPE_USERPASS: + case TYPE_STATICKEYS: + default: + return null; + } + } + private boolean isUserPWAuth() { + switch(mAuthenticationType) { + case TYPE_USERPASS: + case TYPE_USERPASS_CERTIFICATES: + case TYPE_USERPASS_KEYSTORE: + case TYPE_USERPASS_PKCS12: + return true; + default: + return false; + + } + } + + + public boolean requireTLSKeyPassword() { + if(!nonNull(mClientKeyFilename)) + return false; + + String data = ""; + if(mClientKeyFilename.startsWith(INLINE_TAG)) + data = mClientKeyFilename; + else { + char[] buf = new char[2048]; + FileReader fr; + try { + fr = new FileReader(mClientKeyFilename); + int len = fr.read(buf); + while(len > 0 ) { + data += new String(buf,0,len); + len = fr.read(buf); + } + fr.close(); + } catch (FileNotFoundException e) { + return false; + } catch (IOException e) { + return false; + } + + } + + if(data.contains("Proc-Type: 4,ENCRYPTED")) + return true; + else if(data.contains("-----BEGIN ENCRYPTED PRIVATE KEY-----")) + return true; + else + return false; + } + + public int needUserPWInput() { + if((mAuthenticationType == TYPE_PKCS12 || mAuthenticationType == TYPE_USERPASS_PKCS12)&& + (mPKCS12Password == null || mPKCS12Password.equals(""))) { + if(mTransientPCKS12PW==null) + return R.string.pkcs12_file_encryption_key; + } + + if(mAuthenticationType == TYPE_CERTIFICATES || mAuthenticationType == TYPE_USERPASS_CERTIFICATES) { + if(requireTLSKeyPassword() && !nonNull(mKeyPassword)) + if(mTransientPCKS12PW==null) { + return R.string.private_key_password; + } + } + + if(isUserPWAuth() && (mPassword.equals("") || mPassword == null)) { + if(mTransientPW==null) + return R.string.password; + + } + return 0; + } + + public String getPasswordAuth() { + if(mTransientPW!=null) { + String pwcopy = mTransientPW; + mTransientPW=null; + return pwcopy; + } else { + return mPassword; + } + } + + + // Used by the Array Adapter + @Override + public String toString() { + return mName; + } + + + public String getUUIDString() { + return mUuid.toString(); + } + + + public PrivateKey getKeystoreKey() { + return mPrivateKey; + } + + + +} + + + + -- cgit v1.2.3