public static String hasProLicense(Context context) {
try {
// Get license
String[] license = getProLicenseUnchecked();
if (license == null) return null;
String name = license[0];
String email = license[1];
String signature = license[2];
// Get bytes
byte[] bEmail = email.getBytes("UTF-8");
byte[] bSignature = hex2bytes(signature);
if (bEmail.length == 0 || bSignature.length == 0) {
Util.log(null, Log.ERROR, "Licensing: invalid file");
return null;
}
// Verify license
boolean licensed = verifyData(bEmail, bSignature, getPublicKey(context));
if (licensed) Util.log(null, Log.INFO, "Licensing: ok for " + name);
else Util.log(null, Log.ERROR, "Licensing: invalid for " + name);
// Return result
if (licensed) return name;
} catch (Throwable ex) {
Util.bug(null, ex);
}
return null;
}
@Override
public boolean onCreate() {
try {
String packageName = PrivacyManager.class.getPackage().getName();
File out =
new File(
Environment.getDataDirectory()
+ File.separator
+ "data"
+ File.separator
+ packageName
+ File.separator
+ "meta.xml");
Util.log(null, Log.INFO, "Writing meta=" + out.getAbsolutePath());
InputStream is = getContext().getAssets().open("meta.xml");
OutputStream os = new FileOutputStream(out.getAbsolutePath());
byte[] buffer = new byte[1024];
int read;
while ((read = is.read(buffer)) != -1) os.write(buffer, 0, read);
is.close();
os.flush();
os.close();
out.setReadable(true, false);
} catch (Throwable ex) {
Util.bug(null, ex);
}
return true;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
if (PrivacyService.checkClient()) {
// Set theme
int userId = Util.getUserId(Process.myUid());
String themeName = PrivacyManager.getSetting(userId, PrivacyManager.cSettingTheme, "");
mThemeId = (themeName.equals("Dark") ? R.style.CustomTheme : R.style.CustomTheme_Light);
setTheme(mThemeId);
super.onCreate(savedInstanceState);
} else {
super.onCreate(savedInstanceState);
// Privacy client now available
setContentView(R.layout.reboot);
try {
PackageInfo pInfo = getPackageManager().getPackageInfo(getPackageName(), 0);
TextView tvVersion = (TextView) findViewById(R.id.tvVersion);
tvVersion.setText(pInfo.versionName);
} catch (Throwable ex) {
Util.bug(null, ex);
}
// Show reason
if (PrivacyService.getClient() == null) {
TextView tvRebootClient = (TextView) findViewById(R.id.tvRebootClient);
tvRebootClient.setVisibility(View.VISIBLE);
Requirements.checkCompatibility(this);
} else {
TextView tvRebootClient = (TextView) findViewById(R.id.tvRebootVersion);
tvRebootClient.setVisibility(View.VISIBLE);
Requirements.check(this);
}
}
}
private boolean isAccountAllowed(String accountName, String accountType, int uid) {
try {
String sha1 = Util.sha1(accountName + accountType);
if (PrivacyManager.getSettingBool(uid, Meta.cTypeAccount, sha1, false, true)) return true;
} catch (Throwable ex) {
Util.bug(this, ex);
}
return false;
}
public static boolean isProEnablerInstalled(Context context) {
Version version = getProEnablerVersion(context);
if (version != null
&& isValidProEnablerVersion(version)
&& hasValidProEnablerSignature(context)) {
Util.log(null, Log.INFO, "Licensing: enabler installed");
return true;
}
Util.log(null, Log.INFO, "Licensing: enabler not installed");
return false;
}
public static String[] getProLicenseUnchecked() {
// Get license file name
String storageDir = Environment.getExternalStorageDirectory().getAbsolutePath();
File licenseFile = new File(storageDir + File.separator + LICENSE_FILE_NAME);
if (!licenseFile.exists())
licenseFile =
new File(storageDir + File.separator + ".xprivacy" + File.separator + LICENSE_FILE_NAME);
// Get imported license file name
String importedLicense =
getUserDataDirectory(Process.myUid()) + File.separator + LICENSE_FILE_NAME;
// Import license file
if (licenseFile.exists()) {
try {
File out = new File(importedLicense);
Util.log(null, Log.WARN, "Licensing: importing " + out.getAbsolutePath());
InputStream is = new FileInputStream(licenseFile.getAbsolutePath());
OutputStream os = new FileOutputStream(out.getAbsolutePath());
byte[] buffer = new byte[1024];
int read;
while ((read = is.read(buffer)) != -1) os.write(buffer, 0, read);
is.close();
os.flush();
os.close();
// Protect license file
setPermissions(out.getAbsolutePath(), 0700, Process.myUid(), Process.myUid());
licenseFile.delete();
} catch (Throwable ex) {
Util.bug(null, ex);
}
}
// Check license file
licenseFile = new File(importedLicense);
if (licenseFile.exists()) {
// Read license
try {
IniFile iniFile = new IniFile(licenseFile);
String name = iniFile.get("name", "");
String email = iniFile.get("email", "");
String signature = iniFile.get("signature", "");
return new String[] {name, email, signature};
} catch (Throwable ex) {
bug(null, ex);
return null;
}
} else Util.log(null, Log.INFO, "Licensing: no license file");
return null;
}
@Override
protected void after(MethodHookParam param) throws Throwable {
String methodName = param.method.getName();
if (methodName.equals("getAddress")) {
if (param.getResult() != null && isRestricted(param))
param.setResult(PrivacyManager.getDefacedProp("MAC"));
} else Util.log(this, Log.WARN, "Unknown method=" + methodName);
}
@Override
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
if (sUriMatcher.match(uri) == TYPE_RESTRICTION) {
// Check access
enforcePermission();
// Get arguments
String restrictionName = selection;
int uid = values.getAsInteger(COL_UID);
String methodName = values.getAsString(COL_METHOD);
boolean allowed = !Boolean.parseBoolean(values.getAsString(COL_RESTRICTED));
// Update
updateRestriction(uid, restrictionName, methodName, allowed);
return 1; // rows
} else if (sUriMatcher.match(uri) == TYPE_USAGE) {
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
// Get arguments
int uid = values.getAsInteger(COL_UID);
String restrictionName = values.getAsString(PrivacyProvider.COL_RESTRICTION);
String methodName = values.getAsString(COL_METHOD);
boolean restricted = false;
if (values.containsKey(PrivacyProvider.COL_RESTRICTED))
restricted = values.getAsBoolean(PrivacyProvider.COL_RESTRICTED);
long timeStamp = values.getAsLong(PrivacyProvider.COL_USED);
Util.log(
null,
Log.INFO,
String.format(
"Update usage data %d/%s/%s=%b", uid, restrictionName, methodName, restricted));
// Update usage data
if (methodName != null) updateUsage(uid, restrictionName, methodName, restricted, timeStamp);
return 1;
} else if (sUriMatcher.match(uri) == TYPE_SETTING) {
// Check access
enforcePermission();
// Get arguments
String settingName = selection;
// Update setting
SharedPreferences prefs =
getContext().getSharedPreferences(PREF_SETTINGS, Context.MODE_WORLD_READABLE);
SharedPreferences.Editor editor = prefs.edit();
editor.putString(getSettingPref(settingName), values.getAsString(COL_VALUE));
editor.apply();
setPrefFileReadable(PREF_SETTINGS);
return 1;
}
throw new IllegalArgumentException(uri.toString());
}
public static String getSelfVersionName(Context context) {
try {
String self = Util.class.getPackage().getName();
PackageManager pm = context.getPackageManager();
PackageInfo pInfo = pm.getPackageInfo(self, 0);
return pInfo.versionName;
} catch (NameNotFoundException ex) {
Util.bug(null, ex);
return null;
}
}
@SuppressLint("NewApi")
public static int getAppId(int uid) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1)
try {
// UserHandle: public static final int getAppId(int uid)
Method method = (Method) UserHandle.class.getDeclaredMethod("getAppId", int.class);
uid = (Integer) method.invoke(null, uid);
} catch (Throwable ex) {
Util.bug(null, ex);
}
return uid;
}
public static Version getProEnablerVersion(Context context) {
try {
String proPackageName = context.getPackageName() + ".pro";
PackageManager pm = context.getPackageManager();
PackageInfo pi = pm.getPackageInfo(proPackageName, 0);
return new Version(pi.versionName);
} catch (NameNotFoundException ignored) {
} catch (Throwable ex) {
Util.bug(null, ex);
}
return null;
}
@Override
protected void before(MethodHookParam param) throws Throwable {
if (mMethod == Methods.addGeofences || mMethod == Methods.removeGeofences) {
if (isRestricted(param)) param.setResult(null);
} else if (mMethod == Methods.getLastLocation) {
// Do nothing
} else if (mMethod == Methods.removeLocationUpdates) {
if (isRestricted(param)) removeLocationListener(param);
} else if (mMethod == Methods.requestLocationUpdates) {
if (isRestricted(param)) replaceLocationListener(param);
} else Util.log(this, Log.WARN, "Unknown method=" + param.method.getName());
}
public static void setPermissions(String path, int mode, int uid, int gid) {
try {
// frameworks/base/core/java/android/os/FileUtils.java
Class<?> fileUtils = Class.forName("android.os.FileUtils");
Method setPermissions =
fileUtils.getMethod("setPermissions", String.class, int.class, int.class, int.class);
setPermissions.invoke(null, path, mode, uid, gid);
Util.log(
null,
Log.WARN,
"Changed permission path="
+ path
+ " mode="
+ Integer.toOctalString(mode)
+ " uid="
+ uid
+ " gid="
+ gid);
} catch (Throwable ex) {
Util.bug(null, ex);
}
}
public static boolean hasLBE() {
if (!mHasLBEDetermined) {
mHasLBEDetermined = true;
try {
File apps = new File(Environment.getDataDirectory() + File.separator + "app");
File[] files = (apps == null ? null : apps.listFiles());
if (files != null)
for (File file : files) if (file.getName().startsWith("com.lbe.security")) mHasLBE = true;
} catch (Throwable ex) {
Util.bug(null, ex);
}
}
return mHasLBE;
}
@Override
protected void after(MethodHookParam param) throws Throwable {
if (mMethod == Methods.addGeofences || mMethod == Methods.removeGeofences) {
// Do nothing
} else if (mMethod == Methods.getLastLocation) {
Location location = (Location) param.getResult();
if (location != null && isRestricted(param))
param.setResult(PrivacyManager.getDefacedLocation(Binder.getCallingUid(), location));
} else if (mMethod == Methods.removeLocationUpdates) {
// Do nothing
} else if (mMethod == Methods.requestLocationUpdates) {
// Do nothing
} else Util.log(this, Log.WARN, "Unknown method=" + param.method.getName());
}
@Override
protected void after(MethodHookParam param) throws Throwable {
if (mMethod != Methods.addGeofence
&& mMethod != Methods.addNmeaListener
&& mMethod != Methods.addProximityAlert
&& mMethod != Methods.removeUpdates
&& mMethod != Methods.requestLocationUpdates
&& mMethod != Methods.requestSingleUpdate)
if (mMethod == Methods.isProviderEnabled) {
if (isRestricted(param)) param.setResult(false);
} else if (mMethod == Methods.getGpsStatus) {
if (param.getResult() != null && isRestricted(param)) {
GpsStatus status = (GpsStatus) param.getResult();
// private GpsSatellite mSatellites[]
try {
Field mSatellites = status.getClass().getDeclaredField("mSatellites");
mSatellites.setAccessible(true);
mSatellites.set(status, new GpsSatellite[0]);
} catch (Throwable ex) {
Util.bug(null, ex);
}
}
} else if (mMethod == Methods.getLastLocation || mMethod == Methods.getLastKnownLocation) {
Location location = (Location) param.getResult();
if (location != null && isRestricted(param))
param.setResult(PrivacyManager.getDefacedLocation(Binder.getCallingUid(), location));
} else if (mMethod == Methods.getProviders) {
if (param.getResult() != null && isRestricted(param))
param.setResult(new ArrayList<String>());
} else if (mMethod == Methods.sendExtraCommand) {
if (isRestricted(param)) param.setResult(false);
} else Util.log(this, Log.WARN, "Unknown method=" + param.method.getName());
}
private void removeLocationListener(MethodHookParam param) {
if (param.args.length >= 1
&& param.args[0] != null
&& LocationListener.class.isAssignableFrom(param.args[0].getClass())) {
LocationListener listener = (LocationListener) param.args[0];
synchronized (mListener) {
XLocationListener xlistener = mListener.get(listener);
if (xlistener == null) Util.log(this, Log.WARN, "Not found count=" + mListener.size());
else {
param.args[0] = xlistener;
mListener.remove(listener);
}
}
} else param.setResult(null);
}
@Override
public int delete(Uri uri, String where, String[] selectionArgs) {
// Check access
enforcePermission();
if (sUriMatcher.match(uri) == TYPE_RESTRICTION) {
int rows = 0;
// Get argument
int uid = Integer.parseInt(selectionArgs[0]);
// Method restrictions
SharedPreferences prefs =
getContext().getSharedPreferences(PREF_RESTRICTION, Context.MODE_WORLD_READABLE);
SharedPreferences.Editor editor = prefs.edit();
for (String restrictionName : PrivacyManager.getRestrictions(true)) {
for (PrivacyManager.MethodDescription md : PrivacyManager.getMethods(restrictionName)) {
rows++;
editor.remove(getExceptionPref(uid, restrictionName, md.getMethodName()));
}
}
editor.apply();
setPrefFileReadable(PREF_RESTRICTION);
// Group restrictions
for (String restrictionName : PrivacyManager.getRestrictions(true)) {
rows++;
updateRestriction(uid, restrictionName, null, true);
}
return rows;
} else if (sUriMatcher.match(uri) == TYPE_SETTING && selectionArgs == null) {
int rows = 0;
SharedPreferences prefs =
getContext().getSharedPreferences(PREF_SETTINGS, Context.MODE_WORLD_READABLE);
SharedPreferences.Editor editor = prefs.edit();
for (String pref : prefs.getAll().keySet()) {
rows++;
editor.remove(pref);
Util.log(null, Log.INFO, "Removed setting=" + pref);
}
editor.apply();
setPrefFileReadable(PREF_SETTINGS);
return rows;
}
throw new IllegalArgumentException(uri.toString());
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.app, menu);
// Launch
PackageManager pm = getPackageManager();
if (pm.getLaunchIntentForPackage(mAppInfo.getPackageName()) == null)
menu.findItem(R.id.menu_app_launch).setEnabled(false);
// Play
boolean hasMarketLink = Util.hasMarketLink(this, mAppInfo.getPackageName());
menu.findItem(R.id.menu_app_store).setEnabled(hasMarketLink);
return true;
}
private void replaceLocationListener(MethodHookParam param) throws Throwable {
if (param.args.length >= 2
&& param.args[1] != null
&& LocationListener.class.isAssignableFrom(param.args[1].getClass())) {
if (!(param.args[1] instanceof XLocationListener)) {
LocationListener listener = (LocationListener) param.args[1];
if (listener != null) {
XLocationListener xListener = new XLocationListener(listener);
synchronized (mListener) {
mListener.put(listener, xListener);
Util.log(this, Log.INFO, "Added count=" + mListener.size());
}
param.args[1] = xListener;
}
}
} else param.setResult(null);
}
private void replaceLocationListener(MethodHookParam param, int arg) throws Throwable {
if (param.args.length > arg
&& param.args[arg] != null
&& LocationListener.class.isAssignableFrom(param.args[arg].getClass())) {
if (!(param.args[arg] instanceof XLocationListener)) {
LocationListener listener = (LocationListener) param.args[arg];
if (listener != null) {
XLocationListener xListener = new XLocationListener(listener);
synchronized (mListener) {
mListener.put(listener, xListener);
Util.log(
this,
Log.INFO,
"Added count=" + mListener.size() + " uid=" + Binder.getCallingUid());
}
param.args[arg] = xListener;
}
}
} else
// Intent
param.setResult(null);
}
@Override
protected void before(MethodHookParam param) throws Throwable {
if (mMethod == Methods.exec) {
// Get programs
String[] progs = null;
if (param.args.length > 0 && param.args[0] != null)
if (String.class.isAssignableFrom(param.args[0].getClass()))
progs = new String[] {(String) param.args[0]};
else progs = (String[]) param.args[0];
// Check programs
if (progs != null) {
String command = TextUtils.join(" ", progs);
if ((mCommand == null && !command.contains("sh ") && !command.contains("su "))
|| (mCommand != null && command.contains(mCommand + " ")))
if (isRestricted(param, mCommand == null ? getMethodName() : mCommand))
param.setThrowable(new IOException());
}
} else if (mMethod == Methods.load || mMethod == Methods.loadLibrary) {
// Skip pre Android
if (Process.myUid() != 0)
if (isRestricted(param)) param.setResult(new UnsatisfiedLinkError());
} else Util.log(this, Log.WARN, "Unknown method=" + param.method.getName());
}
@Override
protected void before(MethodHookParam param) throws Throwable {
if (mMethod == Methods.getNfcAdapter) {
if (isRestricted(param)) param.setResult(null);
} else Util.log(this, Log.WARN, "Unknown method=" + param.method.getName());
}
@Override
@SuppressWarnings("unchecked")
protected void after(XParam param) throws Throwable {
if (mMethod != Methods.addOnAccountsUpdatedListener
&& mMethod != Methods.removeOnAccountsUpdatedListener) {
int uid = Binder.getCallingUid();
if (mMethod == Methods.blockingGetAuthToken) {
if (param.args.length > 0 && param.args[0] != null) {
Account account = (Account) param.args[0];
if (param.getResult() != null
&& isRestrictedExtra(param, account == null ? null : account.name))
if (!isAccountAllowed(account, uid)) param.setResult(null);
}
} else if (mMethod == Methods.getAccounts) {
if (param.getResult() != null && isRestricted(param)) {
Account[] accounts = (Account[]) param.getResult();
param.setResult(filterAccounts(accounts, uid));
}
} else if (mMethod == Methods.getAccountsByType
|| mMethod == Methods.getAccountsByTypeForPackage) {
if (param.args.length > 0)
if (param.getResult() != null && isRestrictedExtra(param, (String) param.args[0])) {
Account[] accounts = (Account[]) param.getResult();
param.setResult(filterAccounts(accounts, uid));
}
} else if (mMethod == Methods.getAccountsByTypeAndFeatures) {
if (param.args.length > 0)
if (param.getResult() != null && isRestrictedExtra(param, (String) param.args[0])) {
AccountManagerFuture<Account[]> future =
(AccountManagerFuture<Account[]>) param.getResult();
param.setResult(new XFutureAccount(future, uid));
}
} else if (mMethod == Methods.getAuthenticatorTypes) {
if (param.getResult() != null && isRestricted(param))
param.setResult(new AuthenticatorDescription[0]);
} else if (mMethod == Methods.getAuthToken) {
if (param.args.length > 0) {
Account account = (Account) param.args[0];
if (param.getResult() != null
&& isRestrictedExtra(param, account == null ? null : account.name)) {
AccountManagerFuture<Bundle> future = (AccountManagerFuture<Bundle>) param.getResult();
param.setResult(new XFutureBundle(future, uid));
}
}
} else if (mMethod == Methods.getAuthTokenByFeatures) {
if (param.getResult() != null && isRestricted(param, (String) param.args[0])) {
AccountManagerFuture<Bundle> future = (AccountManagerFuture<Bundle>) param.getResult();
param.setResult(new XFutureBundle(future, uid));
}
} else if (mMethod == Methods.hasFeatures) {
if (param.args.length > 0 && param.args[0] != null) {
Account account = (Account) param.args[0];
if (param.getResult() != null
&& isRestrictedExtra(param, account == null ? null : account.name))
if (!isAccountAllowed(account, uid)) param.setResult(new XFutureBoolean());
}
} else Util.log(this, Log.WARN, "Unknown method=" + param.method.getName());
}
}
@Override
@SuppressWarnings("unchecked")
protected void before(XParam param) throws Throwable {
if (mMethod == Methods.addOnAccountsUpdatedListener) {
if (param.args.length > 0 && param.args[0] != null)
if (isRestricted(param)) {
int uid = Binder.getCallingUid();
OnAccountsUpdateListener listener = (OnAccountsUpdateListener) param.args[0];
XOnAccountsUpdateListener xListener;
synchronized (mListener) {
xListener = mListener.get(listener);
if (xListener == null) {
xListener = new XOnAccountsUpdateListener(listener, uid);
mListener.put(listener, xListener);
Util.log(this, Log.WARN, "Added count=" + mListener.size() + " uid=" + uid);
}
}
param.args[0] = xListener;
}
} else if (mMethod == Methods.removeOnAccountsUpdatedListener) {
if (param.args.length > 0 && param.args[0] != null)
synchronized (mListener) {
OnAccountsUpdateListener listener = (OnAccountsUpdateListener) param.args[0];
XOnAccountsUpdateListener xListener = mListener.get(listener);
if (xListener != null) {
param.args[0] = xListener;
Util.log(
this,
Log.WARN,
"Removed count=" + mListener.size() + " uid=" + Binder.getCallingUid());
}
}
} else if (mMethod == Methods.getAccountsByTypeAndFeatures) {
if (param.args.length > 2 && param.args[2] != null)
if (isRestrictedExtra(param, (String) param.args[0])) {
AccountManagerCallback<Account[]> callback =
(AccountManagerCallback<Account[]>) param.args[2];
param.args[2] = new XAccountManagerCallbackAccount(callback, Binder.getCallingUid());
}
} else if (mMethod == Methods.getAuthToken) {
if (param.args.length > 0) {
Account account = (Account) param.args[0];
for (int i = 0; i < param.args.length; i++)
if (param.args[i] instanceof AccountManagerCallback<?>)
if (isRestricted(param, account == null ? null : account.name)) {
AccountManagerCallback<Bundle> callback =
(AccountManagerCallback<Bundle>) param.args[i];
param.args[i] = new XAccountManagerCallbackBundle(callback, Binder.getCallingUid());
}
}
} else if (mMethod == Methods.getAuthTokenByFeatures) {
if (param.args.length > 0)
for (int i = 0; i < param.args.length; i++)
if (param.args[i] instanceof AccountManagerCallback<?>)
if (isRestricted(param, (String) param.args[0])) {
AccountManagerCallback<Bundle> callback =
(AccountManagerCallback<Bundle>) param.args[i];
param.args[i] = new XAccountManagerCallbackBundle(callback, Binder.getCallingUid());
}
} else if (mMethod == Methods.hasFeatures) {
if (param.args.length > 0) {
Account account = (Account) param.args[0];
for (int i = 0; i < param.args.length; i++)
if (param.args[i] instanceof AccountManagerCallback<?>)
if (isRestricted(param, account == null ? null : account.name)) {
AccountManagerCallback<Boolean> callback =
(AccountManagerCallback<Boolean>) param.args[i];
param.args[i] = new XAccountManagerCallbackBoolean(callback);
}
}
}
}
