| /* |
| * Copyright (C) 2010 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 com.android.server.devicepolicy; |
| |
| import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; |
| import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; |
| import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; |
| import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; |
| import static android.content.pm.PackageManager.GET_UNINSTALLED_PACKAGES; |
| |
| import android.Manifest.permission; |
| import android.accessibilityservice.AccessibilityServiceInfo; |
| import android.accounts.AccountManager; |
| import android.app.Activity; |
| import android.app.ActivityManagerNative; |
| import android.app.AlarmManager; |
| import android.app.AppGlobals; |
| import android.app.IActivityManager; |
| import android.app.Notification; |
| import android.app.NotificationManager; |
| import android.app.PendingIntent; |
| import android.app.StatusBarManager; |
| import android.app.admin.DeviceAdminInfo; |
| import android.app.admin.DeviceAdminReceiver; |
| import android.app.admin.DevicePolicyManager; |
| import android.app.admin.DevicePolicyManagerInternal; |
| import android.app.admin.IDevicePolicyManager; |
| import android.app.backup.IBackupManager; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.IPackageManager; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.ServiceInfo; |
| import android.content.pm.UserInfo; |
| import android.database.ContentObserver; |
| import android.graphics.Bitmap; |
| import android.hardware.usb.UsbManager; |
| import android.media.AudioManager; |
| import android.media.IAudioService; |
| import android.net.ConnectivityManager; |
| import android.net.ProxyInfo; |
| import android.net.Uri; |
| import android.os.AsyncTask; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.os.Environment; |
| import android.os.FileUtils; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.PersistableBundle; |
| import android.os.PowerManager; |
| import android.os.PowerManagerInternal; |
| import android.os.Process; |
| import android.os.RecoverySystem; |
| import android.os.RemoteCallback; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.SystemClock; |
| import android.os.SystemProperties; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.provider.ContactsContract.QuickContact; |
| import android.provider.ContactsInternal; |
| import android.provider.Settings; |
| import android.security.Credentials; |
| import android.security.IKeyChainAliasCallback; |
| import android.security.IKeyChainService; |
| import android.security.KeyChain; |
| import android.security.KeyChain.KeyChainConnection; |
| import android.text.TextUtils; |
| import android.service.persistentdata.PersistentDataBlockManager; |
| import android.util.Log; |
| import android.util.PrintWriterPrinter; |
| import android.util.Printer; |
| import android.util.Slog; |
| import android.util.SparseArray; |
| import android.util.Xml; |
| import android.view.accessibility.AccessibilityManager; |
| import android.view.accessibility.IAccessibilityManager; |
| import android.view.inputmethod.InputMethodInfo; |
| import android.view.inputmethod.InputMethodManager; |
| import android.view.IWindowManager; |
| |
| import com.android.internal.R; |
| import com.android.internal.os.storage.ExternalStorageFormatter; |
| import com.android.internal.statusbar.IStatusBarService; |
| import com.android.internal.util.FastXmlSerializer; |
| import com.android.internal.util.JournaledFile; |
| import com.android.internal.util.Preconditions; |
| import com.android.internal.util.XmlUtils; |
| import com.android.internal.widget.LockPatternUtils; |
| import com.android.server.LocalServices; |
| import com.android.server.SystemService; |
| import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| |
| import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; |
| import static org.xmlpull.v1.XmlPullParser.END_TAG; |
| import static org.xmlpull.v1.XmlPullParser.TEXT; |
| |
| import org.xmlpull.v1.XmlPullParserException; |
| import org.xmlpull.v1.XmlSerializer; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.File; |
| import java.io.FileDescriptor; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.security.cert.CertificateException; |
| import java.security.cert.CertificateFactory; |
| import java.security.cert.X509Certificate; |
| import java.text.DateFormat; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.Date; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map.Entry; |
| import java.util.Set; |
| |
| /** |
| * Implementation of the device policy APIs. |
| */ |
| public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { |
| |
| private static final String LOG_TAG = "DevicePolicyManagerService"; |
| |
| private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE |
| |
| private static final String DEVICE_POLICIES_XML = "device_policies.xml"; |
| |
| private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; |
| |
| private static final String TAG_STATUS_BAR = "statusbar"; |
| |
| private static final String ATTR_DISABLED = "disabled"; |
| |
| private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = |
| "do-not-ask-credentials-on-boot"; |
| |
| private static final int REQUEST_EXPIRE_PASSWORD = 5571; |
| |
| private static final long MS_PER_DAY = 86400 * 1000; |
| |
| private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms |
| |
| protected static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION |
| = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; |
| |
| private static final int MONITORING_CERT_NOTIFICATION_ID = R.string.ssl_ca_cert_warning; |
| |
| private static final boolean DBG = false; |
| |
| private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; |
| private static final String ATTR_SETUP_COMPLETE = "setup-complete"; |
| private static final String ATTR_PREFERRED_SETUP_ACTIVITY = "setup-activity"; |
| private static final String ATTR_PERMISSION_POLICY = "permission-policy"; |
| |
| private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; |
| |
| private static final int STATUS_BAR_DISABLE_MASK = |
| StatusBarManager.DISABLE_EXPAND | |
| StatusBarManager.DISABLE_NOTIFICATION_ICONS | |
| StatusBarManager.DISABLE_NOTIFICATION_ALERTS | |
| StatusBarManager.DISABLE_SEARCH; |
| |
| private static final int STATUS_BAR_DISABLE2_MASK = |
| StatusBarManager.DISABLE2_QUICK_SETTINGS; |
| |
| private static final Set<String> DEVICE_OWNER_USER_RESTRICTIONS; |
| static { |
| DEVICE_OWNER_USER_RESTRICTIONS = new HashSet(); |
| DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_USB_FILE_TRANSFER); |
| DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_TETHERING); |
| DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_FACTORY_RESET); |
| DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_ADD_USER); |
| DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_CELL_BROADCASTS); |
| DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS); |
| DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_MOUNT_PHYSICAL_MEDIA); |
| DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_UNMUTE_MICROPHONE); |
| DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_ADJUST_VOLUME); |
| DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_SMS); |
| DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_SAFE_BOOT); |
| } |
| |
| // The following user restrictions cannot be changed by any active admin, including device |
| // owner and profile owner. |
| private static final Set<String> IMMUTABLE_USER_RESTRICTIONS; |
| static { |
| IMMUTABLE_USER_RESTRICTIONS = new HashSet(); |
| IMMUTABLE_USER_RESTRICTIONS.add(UserManager.DISALLOW_WALLPAPER); |
| } |
| |
| private static final Set<String> SECURE_SETTINGS_WHITELIST; |
| private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; |
| private static final Set<String> GLOBAL_SETTINGS_WHITELIST; |
| static { |
| SECURE_SETTINGS_WHITELIST = new HashSet(); |
| SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); |
| SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); |
| SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); |
| |
| SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new HashSet(); |
| SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); |
| SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); |
| |
| GLOBAL_SETTINGS_WHITELIST = new HashSet(); |
| GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); |
| GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); |
| GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); |
| GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); |
| GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); |
| GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.MODE_RINGER); |
| GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.NETWORK_PREFERENCE); |
| GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); |
| GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); |
| GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); |
| } |
| |
| // Keyguard features that when set of a profile will affect the profiles |
| // parent user. |
| private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = |
| DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS |
| | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; |
| |
| // Keyguard features that are allowed to be set on a managed profile |
| private static final int PROFILE_KEYGUARD_FEATURES = |
| PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER |
| | DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; |
| |
| final Context mContext; |
| final UserManager mUserManager; |
| final PowerManager.WakeLock mWakeLock; |
| |
| final LocalService mLocalService; |
| |
| final PowerManager mPowerManager; |
| final PowerManagerInternal mPowerManagerInternal; |
| |
| IWindowManager mIWindowManager; |
| NotificationManager mNotificationManager; |
| |
| // Stores and loads state on device and profile owners. |
| private DeviceOwner mDeviceOwner; |
| |
| private final Binder mToken = new Binder(); |
| |
| /** |
| * Whether or not device admin feature is supported. If it isn't return defaults for all |
| * public methods. |
| */ |
| private boolean mHasFeature; |
| |
| public static final class Lifecycle extends SystemService { |
| private DevicePolicyManagerService mService; |
| |
| public Lifecycle(Context context) { |
| super(context); |
| mService = new DevicePolicyManagerService(context); |
| } |
| |
| @Override |
| public void onStart() { |
| publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); |
| } |
| |
| @Override |
| public void onBootPhase(int phase) { |
| if (phase == PHASE_LOCK_SETTINGS_READY) { |
| mService.systemReady(); |
| } |
| } |
| } |
| |
| public static class DevicePolicyData { |
| int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; |
| int mActivePasswordLength = 0; |
| int mActivePasswordUpperCase = 0; |
| int mActivePasswordLowerCase = 0; |
| int mActivePasswordLetters = 0; |
| int mActivePasswordNumeric = 0; |
| int mActivePasswordSymbols = 0; |
| int mActivePasswordNonLetter = 0; |
| int mFailedPasswordAttempts = 0; |
| |
| int mUserHandle; |
| int mPasswordOwner = -1; |
| long mLastMaximumTimeToLock = -1; |
| boolean mUserSetupComplete = false; |
| int mPermissionPolicy; |
| |
| final HashMap<ComponentName, ActiveAdmin> mAdminMap = new HashMap<>(); |
| final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); |
| final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); |
| |
| // This is the list of component allowed to start lock task mode. |
| List<String> mLockTaskPackages = new ArrayList<>(); |
| |
| boolean mStatusBarDisabled = false; |
| |
| ComponentName mRestrictionsProvider; |
| |
| String mDelegatedCertInstallerPackage; |
| |
| boolean doNotAskCredentialsOnBoot = false; |
| |
| ComponentName mPreferredSetupActivity; |
| |
| public DevicePolicyData(int userHandle) { |
| mUserHandle = userHandle; |
| } |
| } |
| |
| final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); |
| |
| Handler mHandler = new Handler(); |
| |
| BroadcastReceiver mReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| final String action = intent.getAction(); |
| final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, |
| getSendingUserId()); |
| if (Intent.ACTION_BOOT_COMPLETED.equals(action) |
| || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { |
| if (DBG) Slog.v(LOG_TAG, "Sending password expiration notifications for action " |
| + action + " for user " + userHandle); |
| mHandler.post(new Runnable() { |
| public void run() { |
| handlePasswordExpirationNotification(userHandle); |
| } |
| }); |
| } |
| if (Intent.ACTION_BOOT_COMPLETED.equals(action) |
| || KeyChain.ACTION_STORAGE_CHANGED.equals(action)) { |
| new MonitoringCertNotificationTask().execute(intent); |
| } |
| if (Intent.ACTION_USER_REMOVED.equals(action)) { |
| removeUserData(userHandle); |
| } else if (Intent.ACTION_USER_STARTED.equals(action) |
| || Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { |
| |
| if (Intent.ACTION_USER_STARTED.equals(action)) { |
| // Reset the policy data |
| synchronized (DevicePolicyManagerService.this) { |
| mUserData.remove(userHandle); |
| } |
| } |
| handlePackagesChanged(null /* check all admins */, userHandle); |
| } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) |
| || (Intent.ACTION_PACKAGE_ADDED.equals(action) |
| && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { |
| handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); |
| } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) |
| && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { |
| handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); |
| } |
| } |
| }; |
| |
| static class ActiveAdmin { |
| private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; |
| private static final String TAG_DISABLE_CAMERA = "disable-camera"; |
| private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; |
| private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING |
| = "disable-bt-contacts-sharing"; |
| private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; |
| private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; |
| private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; |
| private static final String TAG_ACCOUNT_TYPE = "account-type"; |
| private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES |
| = "permitted-accessiblity-services"; |
| private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; |
| private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; |
| private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; |
| private static final String TAG_TRUST_AGENT_COMPONENT = "component"; |
| private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; |
| private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; |
| private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; |
| private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; |
| private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; |
| private static final String TAG_PERMITTED_IMES = "permitted-imes"; |
| private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; |
| private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; |
| private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; |
| private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; |
| private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; |
| private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; |
| private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; |
| private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; |
| private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; |
| private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; |
| private static final String ATTR_VALUE = "value"; |
| private static final String TAG_PASSWORD_QUALITY = "password-quality"; |
| private static final String TAG_POLICIES = "policies"; |
| private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = |
| "cross-profile-widget-providers"; |
| private static final String TAG_PROVIDER = "provider"; |
| private static final String TAG_PACKAGE_LIST_ITEM = "item"; |
| |
| final DeviceAdminInfo info; |
| |
| int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; |
| |
| static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; |
| int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; |
| |
| static final int DEF_PASSWORD_HISTORY_LENGTH = 0; |
| int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; |
| |
| static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; |
| int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; |
| |
| static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; |
| int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; |
| |
| static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; |
| int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; |
| |
| static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; |
| int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; |
| |
| static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; |
| int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; |
| |
| static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; |
| int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; |
| |
| static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; |
| long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; |
| |
| static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; |
| int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; |
| |
| static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; |
| long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; |
| |
| static final long DEF_PASSWORD_EXPIRATION_DATE = 0; |
| long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; |
| |
| static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none |
| |
| int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; |
| |
| boolean encryptionRequested = false; |
| boolean disableCamera = false; |
| boolean disableCallerId = false; |
| boolean disableBluetoothContactSharing = true; |
| boolean disableScreenCapture = false; // Can only be set by a device/profile owner. |
| boolean requireAutoTime = false; // Can only be set by a device owner. |
| |
| static class TrustAgentInfo { |
| public PersistableBundle options; |
| TrustAgentInfo(PersistableBundle bundle) { |
| options = bundle; |
| } |
| } |
| |
| Set<String> accountTypesWithManagementDisabled = new HashSet<String>(); |
| |
| // The list of permitted accessibility services package namesas set by a profile |
| // or device owner. Null means all accessibility services are allowed, empty means |
| // none except system services are allowed. |
| List<String> permittedAccessiblityServices; |
| |
| // The list of permitted input methods package names as set by a profile or device owner. |
| // Null means all input methods are allowed, empty means none except system imes are |
| // allowed. |
| List<String> permittedInputMethods; |
| |
| // TODO: review implementation decisions with frameworks team |
| boolean specifiesGlobalProxy = false; |
| String globalProxySpec = null; |
| String globalProxyExclusionList = null; |
| |
| HashMap<String, TrustAgentInfo> trustAgentInfos = new HashMap<String, TrustAgentInfo>(); |
| |
| List<String> crossProfileWidgetProviders; |
| |
| ActiveAdmin(DeviceAdminInfo _info) { |
| info = _info; |
| } |
| |
| int getUid() { return info.getActivityInfo().applicationInfo.uid; } |
| |
| public UserHandle getUserHandle() { |
| return new UserHandle(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); |
| } |
| |
| void writeToXml(XmlSerializer out) |
| throws IllegalArgumentException, IllegalStateException, IOException { |
| out.startTag(null, TAG_POLICIES); |
| info.writePoliciesToXml(out); |
| out.endTag(null, TAG_POLICIES); |
| if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { |
| out.startTag(null, TAG_PASSWORD_QUALITY); |
| out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); |
| out.endTag(null, TAG_PASSWORD_QUALITY); |
| if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { |
| out.startTag(null, TAG_MIN_PASSWORD_LENGTH); |
| out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); |
| out.endTag(null, TAG_MIN_PASSWORD_LENGTH); |
| } |
| if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { |
| out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); |
| out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); |
| out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); |
| } |
| if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { |
| out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); |
| out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); |
| out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); |
| } |
| if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { |
| out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); |
| out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); |
| out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); |
| } |
| if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { |
| out.startTag(null, TAG_MIN_PASSWORD_LETTERS); |
| out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); |
| out.endTag(null, TAG_MIN_PASSWORD_LETTERS); |
| } |
| if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { |
| out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); |
| out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); |
| out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); |
| } |
| if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { |
| out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); |
| out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); |
| out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); |
| } |
| if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { |
| out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); |
| out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); |
| out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); |
| } |
| } |
| if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { |
| out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); |
| out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); |
| out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); |
| } |
| if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { |
| out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); |
| out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); |
| out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); |
| } |
| if (specifiesGlobalProxy) { |
| out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); |
| out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); |
| out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); |
| if (globalProxySpec != null) { |
| out.startTag(null, TAG_GLOBAL_PROXY_SPEC); |
| out.attribute(null, ATTR_VALUE, globalProxySpec); |
| out.endTag(null, TAG_GLOBAL_PROXY_SPEC); |
| } |
| if (globalProxyExclusionList != null) { |
| out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); |
| out.attribute(null, ATTR_VALUE, globalProxyExclusionList); |
| out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); |
| } |
| } |
| if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { |
| out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); |
| out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); |
| out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); |
| } |
| if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { |
| out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); |
| out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); |
| out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); |
| } |
| if (encryptionRequested) { |
| out.startTag(null, TAG_ENCRYPTION_REQUESTED); |
| out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); |
| out.endTag(null, TAG_ENCRYPTION_REQUESTED); |
| } |
| if (disableCamera) { |
| out.startTag(null, TAG_DISABLE_CAMERA); |
| out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); |
| out.endTag(null, TAG_DISABLE_CAMERA); |
| } |
| if (disableCallerId) { |
| out.startTag(null, TAG_DISABLE_CALLER_ID); |
| out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); |
| out.endTag(null, TAG_DISABLE_CALLER_ID); |
| } |
| if (disableBluetoothContactSharing) { |
| out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); |
| out.attribute(null, ATTR_VALUE, |
| Boolean.toString(disableBluetoothContactSharing)); |
| out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); |
| } |
| if (disableScreenCapture) { |
| out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); |
| out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); |
| out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); |
| } |
| if (requireAutoTime) { |
| out.startTag(null, TAG_REQUIRE_AUTO_TIME); |
| out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); |
| out.endTag(null, TAG_REQUIRE_AUTO_TIME); |
| } |
| if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { |
| out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); |
| out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); |
| out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); |
| } |
| if (!accountTypesWithManagementDisabled.isEmpty()) { |
| out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); |
| for (String ac : accountTypesWithManagementDisabled) { |
| out.startTag(null, TAG_ACCOUNT_TYPE); |
| out.attribute(null, ATTR_VALUE, ac); |
| out.endTag(null, TAG_ACCOUNT_TYPE); |
| } |
| out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); |
| } |
| if (!trustAgentInfos.isEmpty()) { |
| Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); |
| out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); |
| for (Entry<String, TrustAgentInfo> entry : set) { |
| TrustAgentInfo trustAgentInfo = entry.getValue(); |
| out.startTag(null, TAG_TRUST_AGENT_COMPONENT); |
| out.attribute(null, ATTR_VALUE, entry.getKey()); |
| if (trustAgentInfo.options != null) { |
| out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); |
| try { |
| trustAgentInfo.options.saveToXml(out); |
| } catch (XmlPullParserException e) { |
| Log.e(LOG_TAG, "Failed to save TrustAgent options", e); |
| } |
| out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); |
| } |
| out.endTag(null, TAG_TRUST_AGENT_COMPONENT); |
| } |
| out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); |
| } |
| if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { |
| out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); |
| final int providerCount = crossProfileWidgetProviders.size(); |
| for (int i = 0; i < providerCount; i++) { |
| String provider = crossProfileWidgetProviders.get(i); |
| out.startTag(null, TAG_PROVIDER); |
| out.attribute(null, ATTR_VALUE, provider); |
| out.endTag(null, TAG_PROVIDER); |
| } |
| out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); |
| } |
| writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, |
| permittedAccessiblityServices); |
| writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); |
| } |
| |
| void writePackageListToXml(XmlSerializer out, String outerTag, |
| List<String> packageList) |
| throws IllegalArgumentException, IllegalStateException, IOException { |
| if (packageList == null) { |
| return; |
| } |
| |
| out.startTag(null, outerTag); |
| for (String packageName : packageList) { |
| out.startTag(null, TAG_PACKAGE_LIST_ITEM); |
| out.attribute(null, ATTR_VALUE, packageName); |
| out.endTag(null, TAG_PACKAGE_LIST_ITEM); |
| } |
| out.endTag(null, outerTag); |
| } |
| |
| void readFromXml(XmlPullParser parser) |
| throws XmlPullParserException, IOException { |
| int outerDepth = parser.getDepth(); |
| int type; |
| while ((type=parser.next()) != END_DOCUMENT |
| && (type != END_TAG || parser.getDepth() > outerDepth)) { |
| if (type == END_TAG || type == TEXT) { |
| continue; |
| } |
| String tag = parser.getName(); |
| if (TAG_POLICIES.equals(tag)) { |
| info.readPoliciesFromXml(parser); |
| } else if (TAG_PASSWORD_QUALITY.equals(tag)) { |
| passwordQuality = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { |
| minimumPasswordLength = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { |
| passwordHistoryLength = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { |
| minimumPasswordUpperCase = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { |
| minimumPasswordLowerCase = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { |
| minimumPasswordLetters = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { |
| minimumPasswordNumeric = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { |
| minimumPasswordSymbols = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { |
| minimumPasswordNonLetter = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { |
| maximumTimeToUnlock = Long.parseLong( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { |
| maximumFailedPasswordsForWipe = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { |
| specifiesGlobalProxy = Boolean.parseBoolean( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { |
| globalProxySpec = |
| parser.getAttributeValue(null, ATTR_VALUE); |
| } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { |
| globalProxyExclusionList = |
| parser.getAttributeValue(null, ATTR_VALUE); |
| } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { |
| passwordExpirationTimeout = Long.parseLong( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { |
| passwordExpirationDate = Long.parseLong( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { |
| encryptionRequested = Boolean.parseBoolean( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_DISABLE_CAMERA.equals(tag)) { |
| disableCamera = Boolean.parseBoolean( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { |
| disableCallerId = Boolean.parseBoolean( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { |
| disableBluetoothContactSharing = Boolean.parseBoolean(parser |
| .getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { |
| disableScreenCapture = Boolean.parseBoolean( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { |
| requireAutoTime= Boolean.parseBoolean( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { |
| disabledKeyguardFeatures = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { |
| accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); |
| } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { |
| trustAgentInfos = getAllTrustAgentInfos(parser, tag); |
| } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { |
| crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); |
| } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { |
| permittedAccessiblityServices = readPackageList(parser, tag); |
| } else if (TAG_PERMITTED_IMES.equals(tag)) { |
| permittedInputMethods = readPackageList(parser, tag); |
| } else { |
| Slog.w(LOG_TAG, "Unknown admin tag: " + tag); |
| XmlUtils.skipCurrentTag(parser); |
| } |
| } |
| } |
| |
| private List<String> readPackageList(XmlPullParser parser, |
| String tag) throws XmlPullParserException, IOException { |
| List<String> result = new ArrayList<String>(); |
| int outerDepth = parser.getDepth(); |
| int outerType; |
| while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT |
| && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
| if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { |
| continue; |
| } |
| String outerTag = parser.getName(); |
| if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { |
| String packageName = parser.getAttributeValue(null, ATTR_VALUE); |
| if (packageName != null) { |
| result.add(packageName); |
| } else { |
| Slog.w(LOG_TAG, "Package name missing under " + outerTag); |
| } |
| } else { |
| Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); |
| } |
| } |
| return result; |
| } |
| |
| private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) |
| throws XmlPullParserException, IOException { |
| int outerDepthDAM = parser.getDepth(); |
| int typeDAM; |
| Set<String> result = new HashSet<String>(); |
| while ((typeDAM=parser.next()) != END_DOCUMENT |
| && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { |
| if (typeDAM == END_TAG || typeDAM == TEXT) { |
| continue; |
| } |
| String tagDAM = parser.getName(); |
| if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { |
| result.add(parser.getAttributeValue(null, ATTR_VALUE)); |
| } else { |
| Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); |
| } |
| } |
| return result; |
| } |
| |
| private HashMap<String, TrustAgentInfo> getAllTrustAgentInfos( |
| XmlPullParser parser, String tag) throws XmlPullParserException, IOException { |
| int outerDepthDAM = parser.getDepth(); |
| int typeDAM; |
| HashMap<String, TrustAgentInfo> result = new HashMap<String, TrustAgentInfo>(); |
| while ((typeDAM=parser.next()) != END_DOCUMENT |
| && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { |
| if (typeDAM == END_TAG || typeDAM == TEXT) { |
| continue; |
| } |
| String tagDAM = parser.getName(); |
| if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { |
| final String component = parser.getAttributeValue(null, ATTR_VALUE); |
| final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); |
| result.put(component, trustAgentInfo); |
| } else { |
| Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); |
| } |
| } |
| return result; |
| } |
| |
| private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) |
| throws XmlPullParserException, IOException { |
| int outerDepthDAM = parser.getDepth(); |
| int typeDAM; |
| TrustAgentInfo result = new TrustAgentInfo(null); |
| while ((typeDAM=parser.next()) != END_DOCUMENT |
| && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { |
| if (typeDAM == END_TAG || typeDAM == TEXT) { |
| continue; |
| } |
| String tagDAM = parser.getName(); |
| if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { |
| PersistableBundle bundle = new PersistableBundle(); |
| bundle.restoreFromXml(parser); |
| result.options = bundle; |
| } else { |
| Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); |
| } |
| } |
| return result; |
| } |
| |
| private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) |
| throws XmlPullParserException, IOException { |
| int outerDepthDAM = parser.getDepth(); |
| int typeDAM; |
| ArrayList<String> result = null; |
| while ((typeDAM=parser.next()) != END_DOCUMENT |
| && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { |
| if (typeDAM == END_TAG || typeDAM == TEXT) { |
| continue; |
| } |
| String tagDAM = parser.getName(); |
| if (TAG_PROVIDER.equals(tagDAM)) { |
| final String provider = parser.getAttributeValue(null, ATTR_VALUE); |
| if (result == null) { |
| result = new ArrayList<>(); |
| } |
| result.add(provider); |
| } else { |
| Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); |
| } |
| } |
| return result; |
| } |
| |
| void dump(String prefix, PrintWriter pw) { |
| pw.print(prefix); pw.print("uid="); pw.println(getUid()); |
| pw.print(prefix); pw.println("policies:"); |
| ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); |
| if (pols != null) { |
| for (int i=0; i<pols.size(); i++) { |
| pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); |
| } |
| } |
| pw.print(prefix); pw.print("passwordQuality=0x"); |
| pw.println(Integer.toHexString(passwordQuality)); |
| pw.print(prefix); pw.print("minimumPasswordLength="); |
| pw.println(minimumPasswordLength); |
| pw.print(prefix); pw.print("passwordHistoryLength="); |
| pw.println(passwordHistoryLength); |
| pw.print(prefix); pw.print("minimumPasswordUpperCase="); |
| pw.println(minimumPasswordUpperCase); |
| pw.print(prefix); pw.print("minimumPasswordLowerCase="); |
| pw.println(minimumPasswordLowerCase); |
| pw.print(prefix); pw.print("minimumPasswordLetters="); |
| pw.println(minimumPasswordLetters); |
| pw.print(prefix); pw.print("minimumPasswordNumeric="); |
| pw.println(minimumPasswordNumeric); |
| pw.print(prefix); pw.print("minimumPasswordSymbols="); |
| pw.println(minimumPasswordSymbols); |
| pw.print(prefix); pw.print("minimumPasswordNonLetter="); |
| pw.println(minimumPasswordNonLetter); |
| pw.print(prefix); pw.print("maximumTimeToUnlock="); |
| pw.println(maximumTimeToUnlock); |
| pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); |
| pw.println(maximumFailedPasswordsForWipe); |
| pw.print(prefix); pw.print("specifiesGlobalProxy="); |
| pw.println(specifiesGlobalProxy); |
| pw.print(prefix); pw.print("passwordExpirationTimeout="); |
| pw.println(passwordExpirationTimeout); |
| pw.print(prefix); pw.print("passwordExpirationDate="); |
| pw.println(passwordExpirationDate); |
| if (globalProxySpec != null) { |
| pw.print(prefix); pw.print("globalProxySpec="); |
| pw.println(globalProxySpec); |
| } |
| if (globalProxyExclusionList != null) { |
| pw.print(prefix); pw.print("globalProxyEclusionList="); |
| pw.println(globalProxyExclusionList); |
| } |
| pw.print(prefix); pw.print("encryptionRequested="); |
| pw.println(encryptionRequested); |
| pw.print(prefix); pw.print("disableCamera="); |
| pw.println(disableCamera); |
| pw.print(prefix); pw.print("disableCallerId="); |
| pw.println(disableCallerId); |
| pw.print(prefix); pw.print("disableBluetoothContactSharing="); |
| pw.println(disableBluetoothContactSharing); |
| pw.print(prefix); pw.print("disableScreenCapture="); |
| pw.println(disableScreenCapture); |
| pw.print(prefix); pw.print("requireAutoTime="); |
| pw.println(requireAutoTime); |
| pw.print(prefix); pw.print("disabledKeyguardFeatures="); |
| pw.println(disabledKeyguardFeatures); |
| pw.print(prefix); pw.print("crossProfileWidgetProviders="); |
| pw.println(crossProfileWidgetProviders); |
| if (!(permittedAccessiblityServices == null)) { |
| pw.print(prefix); pw.print("permittedAccessibilityServices="); |
| pw.println(permittedAccessiblityServices.toString()); |
| } |
| if (!(permittedInputMethods == null)) { |
| pw.print(prefix); pw.print("permittedInputMethods="); |
| pw.println(permittedInputMethods.toString()); |
| } |
| } |
| } |
| |
| private void handlePackagesChanged(String packageName, int userHandle) { |
| boolean removed = false; |
| if (DBG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); |
| DevicePolicyData policy = getUserData(userHandle); |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| synchronized (this) { |
| for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { |
| ActiveAdmin aa = policy.mAdminList.get(i); |
| try { |
| // If we're checking all packages or if the specific one we're checking matches, |
| // then check if the package and receiver still exist. |
| final String adminPackage = aa.info.getPackageName(); |
| if (packageName == null || packageName.equals(adminPackage)) { |
| if (pm.getPackageInfo(adminPackage, 0, userHandle) == null |
| || pm.getReceiverInfo(aa.info.getComponent(), 0, userHandle) |
| == null) { |
| removed = true; |
| policy.mAdminList.remove(i); |
| policy.mAdminMap.remove(aa.info.getComponent()); |
| } |
| } |
| } catch (RemoteException re) { |
| // Shouldn't happen |
| } |
| } |
| if (removed) { |
| validatePasswordOwnerLocked(policy); |
| syncDeviceCapabilitiesLocked(policy); |
| saveSettingsLocked(policy.mUserHandle); |
| } |
| |
| if (policy.mDelegatedCertInstallerPackage != null && |
| (packageName == null |
| || packageName.equals(policy.mDelegatedCertInstallerPackage))) { |
| try { |
| // Check if delegated cert installer package is removed. |
| if (pm.getPackageInfo( |
| policy.mDelegatedCertInstallerPackage, 0, userHandle) == null) { |
| policy.mDelegatedCertInstallerPackage = null; |
| saveSettingsLocked(policy.mUserHandle); |
| } |
| } catch (RemoteException e) { |
| // Shouldn't happen |
| } |
| } |
| } |
| } |
| |
| /** |
| * Instantiates the service. |
| */ |
| public DevicePolicyManagerService(Context context) { |
| mContext = context; |
| mUserManager = UserManager.get(mContext); |
| mHasFeature = context.getPackageManager().hasSystemFeature( |
| PackageManager.FEATURE_DEVICE_ADMIN); |
| mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); |
| mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class); |
| mWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "DPM"); |
| mLocalService = new LocalService(); |
| if (!mHasFeature) { |
| // Skip the rest of the initialization |
| return; |
| } |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_BOOT_COMPLETED); |
| filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); |
| filter.addAction(Intent.ACTION_USER_REMOVED); |
| filter.addAction(Intent.ACTION_USER_STARTED); |
| filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); |
| filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); |
| context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); |
| filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_PACKAGE_CHANGED); |
| filter.addAction(Intent.ACTION_PACKAGE_REMOVED); |
| filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); |
| filter.addAction(Intent.ACTION_PACKAGE_ADDED); |
| filter.addDataScheme("package"); |
| context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); |
| |
| LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); |
| } |
| |
| /** |
| * Creates and loads the policy data from xml. |
| * @param userHandle the user for whom to load the policy data |
| * @return |
| */ |
| DevicePolicyData getUserData(int userHandle) { |
| synchronized (this) { |
| DevicePolicyData policy = mUserData.get(userHandle); |
| if (policy == null) { |
| policy = new DevicePolicyData(userHandle); |
| mUserData.append(userHandle, policy); |
| loadSettingsLocked(policy, userHandle); |
| } |
| return policy; |
| } |
| } |
| |
| /** |
| * Creates and loads the policy data from xml for data that is shared between |
| * various profiles of a user. In contrast to {@link #getUserData(int)} |
| * it allows access to data of users other than the calling user. |
| * |
| * This function should only be used for shared data, e.g. everything regarding |
| * passwords and should be removed once multiple screen locks are present. |
| * @param userHandle the user for whom to load the policy data |
| * @return |
| */ |
| DevicePolicyData getUserDataUnchecked(int userHandle) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| return getUserData(userHandle); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| void removeUserData(int userHandle) { |
| synchronized (this) { |
| if (userHandle == UserHandle.USER_OWNER) { |
| Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); |
| return; |
| } |
| if (mDeviceOwner != null) { |
| mDeviceOwner.removeProfileOwner(userHandle); |
| mDeviceOwner.writeOwnerFile(); |
| } |
| |
| DevicePolicyData policy = mUserData.get(userHandle); |
| if (policy != null) { |
| mUserData.remove(userHandle); |
| } |
| File policyFile = new File(Environment.getUserSystemDirectory(userHandle), |
| DEVICE_POLICIES_XML); |
| policyFile.delete(); |
| Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); |
| } |
| updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); |
| } |
| |
| void loadDeviceOwner() { |
| synchronized (this) { |
| mDeviceOwner = DeviceOwner.load(); |
| updateDeviceOwnerLocked(); |
| } |
| } |
| |
| /** |
| * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration |
| * reminders. Clears alarm if no expirations are configured. |
| */ |
| protected void setExpirationAlarmCheckLocked(Context context, DevicePolicyData policy) { |
| final long expiration = getPasswordExpirationLocked(null, policy.mUserHandle); |
| final long now = System.currentTimeMillis(); |
| final long timeToExpire = expiration - now; |
| final long alarmTime; |
| if (expiration == 0) { |
| // No expirations are currently configured: Cancel alarm. |
| alarmTime = 0; |
| } else if (timeToExpire <= 0) { |
| // The password has already expired: Repeat every 24 hours. |
| alarmTime = now + MS_PER_DAY; |
| } else { |
| // Selecting the next alarm time: Roll forward to the next 24 hour multiple before |
| // the expiration time. |
| long alarmInterval = timeToExpire % MS_PER_DAY; |
| if (alarmInterval == 0) { |
| alarmInterval = MS_PER_DAY; |
| } |
| alarmTime = now + alarmInterval; |
| } |
| |
| long token = Binder.clearCallingIdentity(); |
| try { |
| AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); |
| PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, |
| new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), |
| PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, |
| new UserHandle(policy.mUserHandle)); |
| am.cancel(pi); |
| if (alarmTime != 0) { |
| am.set(AlarmManager.RTC, alarmTime, pi); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| private IWindowManager getWindowManager() { |
| if (mIWindowManager == null) { |
| IBinder b = ServiceManager.getService(Context.WINDOW_SERVICE); |
| mIWindowManager = IWindowManager.Stub.asInterface(b); |
| } |
| return mIWindowManager; |
| } |
| |
| private NotificationManager getNotificationManager() { |
| if (mNotificationManager == null) { |
| mNotificationManager = |
| (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE); |
| } |
| return mNotificationManager; |
| } |
| |
| ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { |
| ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); |
| if (admin != null |
| && who.getPackageName().equals(admin.info.getActivityInfo().packageName) |
| && who.getClassName().equals(admin.info.getActivityInfo().name)) { |
| return admin; |
| } |
| return null; |
| } |
| |
| ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) |
| throws SecurityException { |
| final int callingUid = Binder.getCallingUid(); |
| |
| ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); |
| if (result != null) { |
| return result; |
| } |
| |
| if (who != null) { |
| final int userId = UserHandle.getUserId(callingUid); |
| final DevicePolicyData policy = getUserData(userId); |
| ActiveAdmin admin = policy.mAdminMap.get(who); |
| if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { |
| throw new SecurityException("Admin " + admin.info.getComponent() |
| + " does not own the device"); |
| } |
| if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { |
| throw new SecurityException("Admin " + admin.info.getComponent() |
| + " does not own the profile"); |
| } |
| throw new SecurityException("Admin " + admin.info.getComponent() |
| + " did not specify uses-policy for: " |
| + admin.info.getTagForPolicy(reqPolicy)); |
| } else { |
| throw new SecurityException("No active admin owned by uid " |
| + Binder.getCallingUid() + " for policy #" + reqPolicy); |
| } |
| } |
| |
| private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, |
| int uid) { |
| // Try to find an admin which can use reqPolicy |
| final int userId = UserHandle.getUserId(uid); |
| final DevicePolicyData policy = getUserData(userId); |
| if (who != null) { |
| ActiveAdmin admin = policy.mAdminMap.get(who); |
| if (admin == null) { |
| throw new SecurityException("No active admin " + who); |
| } |
| if (admin.getUid() != uid) { |
| throw new SecurityException("Admin " + who + " is not owned by uid " |
| + Binder.getCallingUid()); |
| } |
| if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { |
| return admin; |
| } |
| } else { |
| for (ActiveAdmin admin : policy.mAdminList) { |
| if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, |
| userId)) { |
| return admin; |
| } |
| } |
| } |
| |
| return null; |
| } |
| |
| private boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, |
| int userId) { |
| boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); |
| boolean ownsProfile = (getProfileOwner(userId) != null |
| && getProfileOwner(userId).getPackageName() |
| .equals(admin.info.getPackageName())); |
| boolean ownsInitialization = isDeviceInitializer(admin.info.getPackageName()) |
| && !hasUserSetupCompleted(userId); |
| |
| if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { |
| if (ownsDevice || (userId == UserHandle.USER_OWNER && ownsInitialization)) { |
| return true; |
| } |
| } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { |
| if (ownsDevice || ownsProfile || ownsInitialization) { |
| return true; |
| } |
| } else { |
| if (admin.info.usesPolicy(reqPolicy)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| void sendAdminCommandLocked(ActiveAdmin admin, String action) { |
| sendAdminCommandLocked(admin, action, null); |
| } |
| |
| void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { |
| sendAdminCommandLocked(admin, action, null, result); |
| } |
| |
| /** |
| * Send an update to one specific admin, get notified when that admin returns a result. |
| */ |
| void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, |
| BroadcastReceiver result) { |
| Intent intent = new Intent(action); |
| intent.setComponent(admin.info.getComponent()); |
| if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { |
| intent.putExtra("expiration", admin.passwordExpirationDate); |
| } |
| if (adminExtras != null) { |
| intent.putExtras(adminExtras); |
| } |
| if (result != null) { |
| mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), |
| null, result, mHandler, Activity.RESULT_OK, null, null); |
| } else { |
| mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); |
| } |
| } |
| |
| /** |
| * Send an update to all admins of a user that enforce a specified policy. |
| */ |
| void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { |
| final DevicePolicyData policy = getUserData(userHandle); |
| final int count = policy.mAdminList.size(); |
| if (count > 0) { |
| for (int i = 0; i < count; i++) { |
| final ActiveAdmin admin = policy.mAdminList.get(i); |
| if (admin.info.usesPolicy(reqPolicy)) { |
| sendAdminCommandLocked(admin, action); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Send an update intent to all admins of a user and its profiles. Only send to admins that |
| * enforce a specified policy. |
| */ |
| private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, |
| int userHandle) { |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo ui : profiles) { |
| int id = ui.id; |
| sendAdminCommandLocked(action, reqPolicy, id); |
| } |
| } |
| |
| void removeActiveAdminLocked(final ComponentName adminReceiver, int userHandle) { |
| final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); |
| if (admin != null) { |
| synchronized (this) { |
| getUserData(userHandle).mRemovingAdmins.add(adminReceiver); |
| } |
| sendAdminCommandLocked(admin, |
| DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, |
| new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| synchronized (DevicePolicyManagerService.this) { |
| int userHandle = admin.getUserHandle().getIdentifier(); |
| DevicePolicyData policy = getUserData(userHandle); |
| boolean doProxyCleanup = admin.info.usesPolicy( |
| DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); |
| policy.mAdminList.remove(admin); |
| policy.mAdminMap.remove(adminReceiver); |
| validatePasswordOwnerLocked(policy); |
| syncDeviceCapabilitiesLocked(policy); |
| if (doProxyCleanup) { |
| resetGlobalProxyLocked(getUserData(userHandle)); |
| } |
| saveSettingsLocked(userHandle); |
| updateMaximumTimeToLockLocked(policy); |
| policy.mRemovingAdmins.remove(adminReceiver); |
| } |
| } |
| }); |
| } |
| } |
| |
| public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle) { |
| if (!mHasFeature) { |
| return null; |
| } |
| enforceCrossUserPermission(userHandle); |
| Intent resolveIntent = new Intent(); |
| resolveIntent.setComponent(adminName); |
| List<ResolveInfo> infos = mContext.getPackageManager().queryBroadcastReceivers( |
| resolveIntent, |
| PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, |
| userHandle); |
| if (infos == null || infos.size() <= 0) { |
| throw new IllegalArgumentException("Unknown admin: " + adminName); |
| } |
| |
| try { |
| return new DeviceAdminInfo(mContext, infos.get(0)); |
| } catch (XmlPullParserException e) { |
| Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, |
| e); |
| return null; |
| } catch (IOException e) { |
| Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, |
| e); |
| return null; |
| } |
| } |
| |
| private static JournaledFile makeJournaledFile(int userHandle) { |
| final String base = userHandle == 0 |
| ? "/data/system/" + DEVICE_POLICIES_XML |
| : new File(Environment.getUserSystemDirectory(userHandle), DEVICE_POLICIES_XML) |
| .getAbsolutePath(); |
| return new JournaledFile(new File(base), new File(base + ".tmp")); |
| } |
| |
| private void saveSettingsLocked(int userHandle) { |
| DevicePolicyData policy = getUserData(userHandle); |
| JournaledFile journal = makeJournaledFile(userHandle); |
| FileOutputStream stream = null; |
| try { |
| stream = new FileOutputStream(journal.chooseForWrite(), false); |
| XmlSerializer out = new FastXmlSerializer(); |
| out.setOutput(stream, "utf-8"); |
| out.startDocument(null, true); |
| |
| out.startTag(null, "policies"); |
| if (policy.mRestrictionsProvider != null) { |
| out.attribute(null, ATTR_PERMISSION_PROVIDER, |
| policy.mRestrictionsProvider.flattenToString()); |
| } |
| if (policy.mUserSetupComplete) { |
| out.attribute(null, ATTR_SETUP_COMPLETE, |
| Boolean.toString(true)); |
| } |
| if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { |
| out.attribute(null, ATTR_PERMISSION_POLICY, |
| Integer.toString(policy.mPermissionPolicy)); |
| } |
| if (policy.mDelegatedCertInstallerPackage != null) { |
| out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, |
| policy.mDelegatedCertInstallerPackage); |
| } |
| if (policy.mPreferredSetupActivity != null) { |
| out.attribute(null, ATTR_PREFERRED_SETUP_ACTIVITY, |
| policy.mPreferredSetupActivity.flattenToString()); |
| } else { |
| out.attribute(null, ATTR_PREFERRED_SETUP_ACTIVITY, ""); |
| } |
| |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin ap = policy.mAdminList.get(i); |
| if (ap != null) { |
| out.startTag(null, "admin"); |
| out.attribute(null, "name", ap.info.getComponent().flattenToString()); |
| ap.writeToXml(out); |
| out.endTag(null, "admin"); |
| } |
| } |
| |
| if (policy.mPasswordOwner >= 0) { |
| out.startTag(null, "password-owner"); |
| out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); |
| out.endTag(null, "password-owner"); |
| } |
| |
| if (policy.mFailedPasswordAttempts != 0) { |
| out.startTag(null, "failed-password-attempts"); |
| out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); |
| out.endTag(null, "failed-password-attempts"); |
| } |
| |
| if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 |
| || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 |
| || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 |
| || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { |
| out.startTag(null, "active-password"); |
| out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); |
| out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); |
| out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); |
| out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); |
| out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); |
| out.attribute(null, "numeric", Integer |
| .toString(policy.mActivePasswordNumeric)); |
| out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); |
| out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); |
| out.endTag(null, "active-password"); |
| } |
| |
| for (int i=0; i<policy.mLockTaskPackages.size(); i++) { |
| String component = policy.mLockTaskPackages.get(i); |
| out.startTag(null, TAG_LOCK_TASK_COMPONENTS); |
| out.attribute(null, "name", component); |
| out.endTag(null, TAG_LOCK_TASK_COMPONENTS); |
| } |
| |
| if (policy.mStatusBarDisabled) { |
| out.startTag(null, TAG_STATUS_BAR); |
| out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); |
| out.endTag(null, TAG_STATUS_BAR); |
| } |
| |
| if (policy.doNotAskCredentialsOnBoot) { |
| out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); |
| out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); |
| } |
| |
| out.endTag(null, "policies"); |
| |
| out.endDocument(); |
| stream.flush(); |
| FileUtils.sync(stream); |
| stream.close(); |
| journal.commit(); |
| sendChangedNotification(userHandle); |
| } catch (IOException e) { |
| try { |
| if (stream != null) { |
| stream.close(); |
| } |
| } catch (IOException ex) { |
| // Ignore |
| } |
| journal.rollback(); |
| } |
| } |
| |
| private void sendChangedNotification(int userHandle) { |
| Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); |
| intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { |
| JournaledFile journal = makeJournaledFile(userHandle); |
| FileInputStream stream = null; |
| File file = journal.chooseForRead(); |
| try { |
| stream = new FileInputStream(file); |
| XmlPullParser parser = Xml.newPullParser(); |
| parser.setInput(stream, null); |
| |
| int type; |
| while ((type=parser.next()) != XmlPullParser.END_DOCUMENT |
| && type != XmlPullParser.START_TAG) { |
| } |
| String tag = parser.getName(); |
| if (!"policies".equals(tag)) { |
| throw new XmlPullParserException( |
| "Settings do not start with policies tag: found " + tag); |
| } |
| |
| // Extract the permission provider component name if available |
| String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); |
| if (permissionProvider != null) { |
| policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); |
| } |
| String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); |
| if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { |
| policy.mUserSetupComplete = true; |
| } |
| String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); |
| if (!TextUtils.isEmpty(permissionPolicy)) { |
| policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); |
| } |
| policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, |
| ATTR_DELEGATED_CERT_INSTALLER); |
| String preferredSetupActivity = |
| parser.getAttributeValue(null, ATTR_PREFERRED_SETUP_ACTIVITY); |
| if (preferredSetupActivity != null) { |
| policy.mPreferredSetupActivity = |
| ComponentName.unflattenFromString(preferredSetupActivity); |
| } |
| |
| type = parser.next(); |
| int outerDepth = parser.getDepth(); |
| policy.mLockTaskPackages.clear(); |
| policy.mAdminList.clear(); |
| policy.mAdminMap.clear(); |
| while ((type=parser.next()) != XmlPullParser.END_DOCUMENT |
| && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
| if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { |
| continue; |
| } |
| tag = parser.getName(); |
| if ("admin".equals(tag)) { |
| String name = parser.getAttributeValue(null, "name"); |
| try { |
| DeviceAdminInfo dai = findAdmin( |
| ComponentName.unflattenFromString(name), userHandle); |
| if (DBG && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) |
| != userHandle)) { |
| Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " |
| + dai.getActivityInfo().applicationInfo.uid + " for user " |
| + userHandle); |
| } |
| if (dai != null) { |
| ActiveAdmin ap = new ActiveAdmin(dai); |
| ap.readFromXml(parser); |
| policy.mAdminMap.put(ap.info.getComponent(), ap); |
| } |
| } catch (RuntimeException e) { |
| Slog.w(LOG_TAG, "Failed loading admin " + name, e); |
| } |
| } else if ("failed-password-attempts".equals(tag)) { |
| policy.mFailedPasswordAttempts = Integer.parseInt( |
| parser.getAttributeValue(null, "value")); |
| } else if ("password-owner".equals(tag)) { |
| policy.mPasswordOwner = Integer.parseInt( |
| parser.getAttributeValue(null, "value")); |
| } else if ("active-password".equals(tag)) { |
| policy.mActivePasswordQuality = Integer.parseInt( |
| parser.getAttributeValue(null, "quality")); |
| policy.mActivePasswordLength = Integer.parseInt( |
| parser.getAttributeValue(null, "length")); |
| policy.mActivePasswordUpperCase = Integer.parseInt( |
| parser.getAttributeValue(null, "uppercase")); |
| policy.mActivePasswordLowerCase = Integer.parseInt( |
| parser.getAttributeValue(null, "lowercase")); |
| policy.mActivePasswordLetters = Integer.parseInt( |
| parser.getAttributeValue(null, "letters")); |
| policy.mActivePasswordNumeric = Integer.parseInt( |
| parser.getAttributeValue(null, "numeric")); |
| policy.mActivePasswordSymbols = Integer.parseInt( |
| parser.getAttributeValue(null, "symbols")); |
| policy.mActivePasswordNonLetter = Integer.parseInt( |
| parser.getAttributeValue(null, "nonletter")); |
| } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { |
| policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); |
| } else if (TAG_STATUS_BAR.equals(tag)) { |
| policy.mStatusBarDisabled = Boolean.parseBoolean( |
| parser.getAttributeValue(null, ATTR_DISABLED)); |
| } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { |
| policy.doNotAskCredentialsOnBoot = true; |
| } else { |
| Slog.w(LOG_TAG, "Unknown tag: " + tag); |
| XmlUtils.skipCurrentTag(parser); |
| } |
| } |
| } catch (NullPointerException e) { |
| Slog.w(LOG_TAG, "failed parsing " + file + " " + e); |
| } catch (NumberFormatException e) { |
| Slog.w(LOG_TAG, "failed parsing " + file + " " + e); |
| } catch (XmlPullParserException e) { |
| Slog.w(LOG_TAG, "failed parsing " + file + " " + e); |
| } catch (FileNotFoundException e) { |
| // Don't be noisy, this is normal if we haven't defined any policies. |
| } catch (IOException e) { |
| Slog.w(LOG_TAG, "failed parsing " + file + " " + e); |
| } catch (IndexOutOfBoundsException e) { |
| Slog.w(LOG_TAG, "failed parsing " + file + " " + e); |
| } |
| try { |
| if (stream != null) { |
| stream.close(); |
| } |
| } catch (IOException e) { |
| // Ignore |
| } |
| |
| // Generate a list of admins from the admin map |
| policy.mAdminList.addAll(policy.mAdminMap.values()); |
| |
| // Validate that what we stored for the password quality matches |
| // sufficiently what is currently set. Note that this is only |
| // a sanity check in case the two get out of sync; this should |
| // never normally happen. |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| LockPatternUtils utils = new LockPatternUtils(mContext); |
| if (utils.getActivePasswordQuality(userHandle) < policy.mActivePasswordQuality) { |
| Slog.w(LOG_TAG, "Active password quality 0x" |
| + Integer.toHexString(policy.mActivePasswordQuality) |
| + " does not match actual quality 0x" |
| + Integer.toHexString(utils.getActivePasswordQuality(userHandle))); |
| policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; |
| policy.mActivePasswordLength = 0; |
| policy.mActivePasswordUpperCase = 0; |
| policy.mActivePasswordLowerCase = 0; |
| policy.mActivePasswordLetters = 0; |
| policy.mActivePasswordNumeric = 0; |
| policy.mActivePasswordSymbols = 0; |
| policy.mActivePasswordNonLetter = 0; |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| |
| validatePasswordOwnerLocked(policy); |
| syncDeviceCapabilitiesLocked(policy); |
| updateMaximumTimeToLockLocked(policy); |
| addDeviceInitializerToLockTaskPackagesLocked(userHandle); |
| updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); |
| if (policy.mStatusBarDisabled) { |
| setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); |
| } |
| updatePreferredSetupActivityLocked(userHandle); |
| } |
| |
| private void updateLockTaskPackagesLocked(List<String> packages, int userId) { |
| IActivityManager am = ActivityManagerNative.getDefault(); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| am.updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); |
| } catch (RemoteException e) { |
| // Not gonna happen. |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| private void updateDeviceOwnerLocked() { |
| IActivityManager am = ActivityManagerNative.getDefault(); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| am.updateDeviceOwner(getDeviceOwner()); |
| } catch (RemoteException e) { |
| // Not gonna happen. |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| static void validateQualityConstant(int quality) { |
| switch (quality) { |
| case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: |
| case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: |
| case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: |
| case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: |
| case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: |
| case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: |
| case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: |
| case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: |
| return; |
| } |
| throw new IllegalArgumentException("Invalid quality constant: 0x" |
| + Integer.toHexString(quality)); |
| } |
| |
| void validatePasswordOwnerLocked(DevicePolicyData policy) { |
| if (policy.mPasswordOwner >= 0) { |
| boolean haveOwner = false; |
| for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { |
| if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { |
| haveOwner = true; |
| break; |
| } |
| } |
| if (!haveOwner) { |
| Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner |
| + " no longer active; disabling"); |
| policy.mPasswordOwner = -1; |
| } |
| } |
| } |
| |
| /** |
| * Pushes down policy information to the system for any policies related to general device |
| * capabilities that need to be enforced by lower level services (e.g. Camera services). |
| */ |
| void syncDeviceCapabilitiesLocked(DevicePolicyData policy) { |
| // Ensure the status of the camera is synced down to the system. Interested native services |
| // should monitor this value and act accordingly. |
| String cameraPropertyForUser = SYSTEM_PROP_DISABLE_CAMERA_PREFIX + policy.mUserHandle; |
| boolean systemState = SystemProperties.getBoolean(cameraPropertyForUser, false); |
| boolean cameraDisabled = getCameraDisabled(null, policy.mUserHandle); |
| if (cameraDisabled != systemState) { |
| long token = Binder.clearCallingIdentity(); |
| try { |
| String value = cameraDisabled ? "1" : "0"; |
| if (DBG) Slog.v(LOG_TAG, "Change in camera state [" |
| + cameraPropertyForUser + "] = " + value); |
| SystemProperties.set(cameraPropertyForUser, value); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| } |
| |
| public void systemReady() { |
| if (!mHasFeature) { |
| return; |
| } |
| getUserData(UserHandle.USER_OWNER); |
| loadDeviceOwner(); |
| cleanUpOldUsers(); |
| // Register an observer for watching for user setup complete. |
| new SetupContentObserver(mHandler).register(mContext.getContentResolver()); |
| // Initialize the user setup state, to handle the upgrade case. |
| updateUserSetupComplete(); |
| |
| // Update the screen capture disabled cache in the window manager |
| List<UserInfo> users = mUserManager.getUsers(true); |
| final int N = users.size(); |
| for (int i = 0; i < N; i++) { |
| int userHandle = users.get(i).id; |
| updateScreenCaptureDisabledInWindowManager(userHandle, |
| getScreenCaptureDisabled(null, userHandle)); |
| } |
| } |
| |
| private void cleanUpOldUsers() { |
| // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled |
| // before reboot |
| Set<Integer> usersWithProfileOwners; |
| Set<Integer> usersWithData; |
| synchronized(this) { |
| usersWithProfileOwners = mDeviceOwner != null |
| ? mDeviceOwner.getProfileOwnerKeys() : new HashSet<Integer>(); |
| usersWithData = new HashSet<Integer>(); |
| for (int i = 0; i < mUserData.size(); i++) { |
| usersWithData.add(mUserData.keyAt(i)); |
| } |
| } |
| List<UserInfo> allUsers = mUserManager.getUsers(); |
| |
| Set<Integer> deletedUsers = new HashSet<Integer>(); |
| deletedUsers.addAll(usersWithProfileOwners); |
| deletedUsers.addAll(usersWithData); |
| for (UserInfo userInfo : allUsers) { |
| deletedUsers.remove(userInfo.id); |
| } |
| for (Integer userId : deletedUsers) { |
| removeUserData(userId); |
| } |
| } |
| |
| private void handlePasswordExpirationNotification(int userHandle) { |
| synchronized (this) { |
| final long now = System.currentTimeMillis(); |
| |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo ui : profiles) { |
| int profileUserHandle = ui.id; |
| final DevicePolicyData policy = getUserData(profileUserHandle); |
| final int count = policy.mAdminList.size(); |
| if (count > 0) { |
| for (int i = 0; i < count; i++) { |
| final ActiveAdmin admin = policy.mAdminList.get(i); |
| if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) |
| && admin.passwordExpirationTimeout > 0L |
| && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS |
| && admin.passwordExpirationDate > 0L) { |
| sendAdminCommandLocked(admin, |
| DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); |
| } |
| } |
| } |
| } |
| setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); |
| } |
| } |
| |
| private class MonitoringCertNotificationTask extends AsyncTask<Intent, Void, Void> { |
| @Override |
| protected Void doInBackground(Intent... params) { |
| int userHandle = params[0].getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); |
| |
| if (userHandle == UserHandle.USER_ALL) { |
| for (UserInfo userInfo : mUserManager.getUsers()) { |
| manageNotification(userInfo.getUserHandle()); |
| } |
| } else { |
| manageNotification(new UserHandle(userHandle)); |
| } |
| return null; |
| } |
| |
| private void manageNotification(UserHandle userHandle) { |
| if (!mUserManager.isUserRunning(userHandle)) { |
| return; |
| } |
| |
| // Call out to KeyChain to check for user-added CAs |
| boolean hasCert = false; |
| try { |
| KeyChainConnection kcs = KeyChain.bindAsUser(mContext, userHandle); |
| try { |
| if (!kcs.getService().getUserCaAliases().getList().isEmpty()) { |
| hasCert = true; |
| } |
| } catch (RemoteException e) { |
| Log.e(LOG_TAG, "Could not connect to KeyChain service", e); |
| } finally { |
| kcs.close(); |
| } |
| } catch (InterruptedException e) { |
| Thread.currentThread().interrupt(); |
| } catch (RuntimeException e) { |
| Log.e(LOG_TAG, "Could not connect to KeyChain service", e); |
| } |
| if (!hasCert) { |
| getNotificationManager().cancelAsUser( |
| null, MONITORING_CERT_NOTIFICATION_ID, userHandle); |
| return; |
| } |
| |
| // Build and show a warning notification |
| int smallIconId; |
| String contentText; |
| final String ownerName = getDeviceOwnerName(); |
| if (isManagedProfile(userHandle.getIdentifier())) { |
| contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_administrator); |
| smallIconId = R.drawable.stat_sys_certificate_info; |
| } else if (ownerName != null) { |
| contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, ownerName); |
| smallIconId = R.drawable.stat_sys_certificate_info; |
| } else { |
| contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); |
| smallIconId = android.R.drawable.stat_sys_warning; |
| } |
| |
| Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); |
| dialogIntent.setFlags( |
| Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); |
| dialogIntent.setPackage("com.android.settings"); |
| PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, |
| dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, userHandle); |
| |
| final Context userContext; |
| try { |
| userContext = mContext.createPackageContextAsUser("android", 0, userHandle); |
| } catch (PackageManager.NameNotFoundException e) { |
| Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); |
| return; |
| } |
| final Notification noti = new Notification.Builder(userContext) |
| .setSmallIcon(smallIconId) |
| .setContentTitle(mContext.getString(R.string.ssl_ca_cert_warning)) |
| .setContentText(contentText) |
| .setContentIntent(notifyIntent) |
| .setPriority(Notification.PRIORITY_HIGH) |
| .setShowWhen(false) |
| .setColor(mContext.getColor( |
| com.android.internal.R.color.system_notification_accent_color)) |
| .build(); |
| |
| getNotificationManager().notifyAsUser( |
| null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); |
| } |
| } |
| |
| /** |
| * @param adminReceiver The admin to add |
| * @param refreshing true = update an active admin, no error |
| */ |
| public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| setActiveAdmin(adminReceiver, refreshing, userHandle, null); |
| } |
| |
| private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, |
| Bundle onEnableData) { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); |
| enforceCrossUserPermission(userHandle); |
| |
| DevicePolicyData policy = getUserData(userHandle); |
| DeviceAdminInfo info = findAdmin(adminReceiver, userHandle); |
| if (info == null) { |
| throw new IllegalArgumentException("Bad admin: " + adminReceiver); |
| } |
| synchronized (this) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| if (!refreshing |
| && getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null) { |
| throw new IllegalArgumentException("Admin is already added"); |
| } |
| ActiveAdmin newAdmin = new ActiveAdmin(info); |
| policy.mAdminMap.put(adminReceiver, newAdmin); |
| int replaceIndex = -1; |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i < N; i++) { |
| ActiveAdmin oldAdmin = policy.mAdminList.get(i); |
| if (oldAdmin.info.getComponent().equals(adminReceiver)) { |
| replaceIndex = i; |
| break; |
| } |
| } |
| if (replaceIndex == -1) { |
| policy.mAdminList.add(newAdmin); |
| enableIfNecessary(info.getPackageName(), userHandle); |
| } else { |
| policy.mAdminList.set(replaceIndex, newAdmin); |
| } |
| saveSettingsLocked(userHandle); |
| sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, |
| onEnableData, null); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; |
| } |
| } |
| |
| @Override |
| public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| DevicePolicyData policyData = getUserData(userHandle); |
| return policyData.mRemovingAdmins.contains(adminReceiver); |
| } |
| } |
| |
| public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); |
| if (administrator == null) { |
| throw new SecurityException("No active admin " + adminReceiver); |
| } |
| return administrator.info.usesPolicy(policyId); |
| } |
| } |
| |
| @SuppressWarnings("unchecked") |
| public List<ComponentName> getActiveAdmins(int userHandle) { |
| if (!mHasFeature) { |
| return Collections.EMPTY_LIST; |
| } |
| |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| DevicePolicyData policy = getUserData(userHandle); |
| final int N = policy.mAdminList.size(); |
| if (N <= 0) { |
| return null; |
| } |
| ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); |
| for (int i=0; i<N; i++) { |
| res.add(policy.mAdminList.get(i).info.getComponent()); |
| } |
| return res; |
| } |
| } |
| |
| public boolean packageHasActiveAdmins(String packageName, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| DevicePolicyData policy = getUserData(userHandle); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |
| |
| public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); |
| if (admin == null) { |
| return; |
| } |
| if (admin.getUid() != Binder.getCallingUid()) { |
| // Active device owners must remain active admins. |
| if (isDeviceOwner(adminReceiver.getPackageName())) { |
| return; |
| } |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); |
| } |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| removeActiveAdminLocked(adminReceiver, userHandle); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| public void setPasswordQuality(ComponentName who, int quality) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| validateQualityConstant(quality); |
| |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (ap.passwordQuality != quality) { |
| ap.passwordQuality = quality; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| public int getPasswordQuality(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.passwordQuality : mode; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserDataUnchecked(userInfo.id); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (mode < admin.passwordQuality) { |
| mode = admin.passwordQuality; |
| } |
| } |
| } |
| return mode; |
| } |
| } |
| |
| public void setPasswordMinimumLength(ComponentName who, int length) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (ap.minimumPasswordLength != length) { |
| ap.minimumPasswordLength = length; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| public int getPasswordMinimumLength(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.minimumPasswordLength : length; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserDataUnchecked(userInfo.id); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (length < admin.minimumPasswordLength) { |
| length = admin.minimumPasswordLength; |
| } |
| } |
| } |
| return length; |
| } |
| } |
| |
| public void setPasswordHistoryLength(ComponentName who, int length) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (ap.passwordHistoryLength != length) { |
| ap.passwordHistoryLength = length; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| public int getPasswordHistoryLength(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.passwordHistoryLength : length; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserDataUnchecked(userInfo.id); |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (length < admin.passwordHistoryLength) { |
| length = admin.passwordHistoryLength; |
| } |
| } |
| } |
| return length; |
| } |
| } |
| |
| public void setPasswordExpirationTimeout(ComponentName who, long timeout) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD); |
| // Calling this API automatically bumps the expiration date |
| final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; |
| ap.passwordExpirationDate = expiration; |
| ap.passwordExpirationTimeout = timeout; |
| if (timeout > 0L) { |
| Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " |
| + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) |
| .format(new Date(expiration))); |
| } |
| saveSettingsLocked(userHandle); |
| // in case this is the first one |
| setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); |
| } |
| } |
| |
| /** |
| * Return a single admin's expiration cycle time, or the min of all cycle times. |
| * Returns 0 if not configured. |
| */ |
| public long getPasswordExpirationTimeout(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0L; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| long timeout = 0L; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.passwordExpirationTimeout : timeout; |
| } |
| |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserDataUnchecked(userInfo.id); |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (timeout == 0L || (admin.passwordExpirationTimeout != 0L |
| && timeout > admin.passwordExpirationTimeout)) { |
| timeout = admin.passwordExpirationTimeout; |
| } |
| } |
| } |
| return timeout; |
| } |
| } |
| |
| @Override |
| public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { |
| final int userId = UserHandle.getCallingUserId(); |
| List<String> changedProviders = null; |
| |
| synchronized (this) { |
| ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| if (activeAdmin.crossProfileWidgetProviders == null) { |
| activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); |
| } |
| List<String> providers = activeAdmin.crossProfileWidgetProviders; |
| if (!providers.contains(packageName)) { |
| providers.add(packageName); |
| changedProviders = new ArrayList<>(providers); |
| saveSettingsLocked(userId); |
| } |
| } |
| |
| if (changedProviders != null) { |
| mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { |
| final int userId = UserHandle.getCallingUserId(); |
| List<String> changedProviders = null; |
| |
| synchronized (this) { |
| ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| if (activeAdmin.crossProfileWidgetProviders == null) { |
| return false; |
| } |
| List<String> providers = activeAdmin.crossProfileWidgetProviders; |
| if (providers.remove(packageName)) { |
| changedProviders = new ArrayList<>(providers); |
| saveSettingsLocked(userId); |
| } |
| } |
| |
| if (changedProviders != null) { |
| mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public List<String> getCrossProfileWidgetProviders(ComponentName admin) { |
| synchronized (this) { |
| ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| if (activeAdmin.crossProfileWidgetProviders == null |
| || activeAdmin.crossProfileWidgetProviders.isEmpty()) { |
| return null; |
| } |
| if (Binder.getCallingUid() == Process.myUid()) { |
| return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); |
| } else { |
| return activeAdmin.crossProfileWidgetProviders; |
| } |
| } |
| } |
| |
| /** |
| * Return a single admin's expiration date/time, or the min (soonest) for all admins. |
| * Returns 0 if not configured. |
| */ |
| private long getPasswordExpirationLocked(ComponentName who, int userHandle) { |
| long timeout = 0L; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.passwordExpirationDate : timeout; |
| } |
| |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserDataUnchecked(userInfo.id); |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (timeout == 0L || (admin.passwordExpirationDate != 0 |
| && timeout > admin.passwordExpirationDate)) { |
| timeout = admin.passwordExpirationDate; |
| } |
| } |
| } |
| return timeout; |
| } |
| |
| public long getPasswordExpiration(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0L; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| return getPasswordExpirationLocked(who, userHandle); |
| } |
| } |
| |
| public void setPasswordMinimumUpperCase(ComponentName who, int length) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (ap.minimumPasswordUpperCase != length) { |
| ap.minimumPasswordUpperCase = length; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| public int getPasswordMinimumUpperCase(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.minimumPasswordUpperCase : length; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserDataUnchecked(userInfo.id); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (length < admin.minimumPasswordUpperCase) { |
| length = admin.minimumPasswordUpperCase; |
| } |
| } |
| } |
| return length; |
| } |
| } |
| |
| public void setPasswordMinimumLowerCase(ComponentName who, int length) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (ap.minimumPasswordLowerCase != length) { |
| ap.minimumPasswordLowerCase = length; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| public int getPasswordMinimumLowerCase(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.minimumPasswordLowerCase : length; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserDataUnchecked(userInfo.id); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (length < admin.minimumPasswordLowerCase) { |
| length = admin.minimumPasswordLowerCase; |
| } |
| } |
| } |
| return length; |
| } |
| } |
| |
| public void setPasswordMinimumLetters(ComponentName who, int length) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (ap.minimumPasswordLetters != length) { |
| ap.minimumPasswordLetters = length; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| public int getPasswordMinimumLetters(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.minimumPasswordLetters : length; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserDataUnchecked(userInfo.id); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { |
| continue; |
| } |
| if (length < admin.minimumPasswordLetters) { |
| length = admin.minimumPasswordLetters; |
| } |
| } |
| } |
| return length; |
| } |
| } |
| |
| public void setPasswordMinimumNumeric(ComponentName who, int length) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (ap.minimumPasswordNumeric != length) { |
| ap.minimumPasswordNumeric = length; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| public int getPasswordMinimumNumeric(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.minimumPasswordNumeric : length; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserDataUnchecked(userInfo.id); |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { |
| continue; |
| } |
| if (length < admin.minimumPasswordNumeric) { |
| length = admin.minimumPasswordNumeric; |
| } |
| } |
| } |
| return length; |
| } |
| } |
| |
| public void setPasswordMinimumSymbols(ComponentName who, int length) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (ap.minimumPasswordSymbols != length) { |
| ap.minimumPasswordSymbols = length; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| public int getPasswordMinimumSymbols(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.minimumPasswordSymbols : length; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserDataUnchecked(userInfo.id); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { |
| continue; |
| } |
| if (length < admin.minimumPasswordSymbols) { |
| length = admin.minimumPasswordSymbols; |
| } |
| } |
| } |
| return length; |
| } |
| } |
| |
| public void setPasswordMinimumNonLetter(ComponentName who, int length) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (ap.minimumPasswordNonLetter != length) { |
| ap.minimumPasswordNonLetter = length; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| public int getPasswordMinimumNonLetter(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.minimumPasswordNonLetter : length; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserDataUnchecked(userInfo.id); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { |
| continue; |
| } |
| if (length < admin.minimumPasswordNonLetter) { |
| length = admin.minimumPasswordNonLetter; |
| } |
| } |
| } |
| return length; |
| } |
| } |
| |
| public boolean isActivePasswordSufficient(int userHandle) { |
| if (!mHasFeature) { |
| return true; |
| } |
| enforceCrossUserPermission(userHandle); |
| |
| synchronized (this) { |
| |
| // The active password is stored in the user that runs the launcher |
| // If the user this is called from is part of a profile group, that is the parent |
| // of the group. |
| UserInfo parent = getProfileParent(userHandle); |
| int id = (parent == null) ? userHandle : parent.id; |
| DevicePolicyData policy = getUserDataUnchecked(id); |
| |
| // This API can only be called by an active device admin, |
| // so try to retrieve it to check that the caller is one. |
| getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (policy.mActivePasswordQuality < getPasswordQuality(null, userHandle) |
| || policy.mActivePasswordLength < getPasswordMinimumLength(null, userHandle)) { |
| return false; |
| } |
| if (policy.mActivePasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { |
| return true; |
| } |
| return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase(null, userHandle) |
| && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase(null, userHandle) |
| && policy.mActivePasswordLetters >= getPasswordMinimumLetters(null, userHandle) |
| && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric(null, userHandle) |
| && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols(null, userHandle) |
| && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter(null, userHandle); |
| } |
| } |
| |
| public int getCurrentFailedPasswordAttempts(int userHandle) { |
| synchronized (this) { |
| // This API can only be called by an active device admin, |
| // so try to retrieve it to check that the caller is one. |
| getActiveAdminForCallerLocked(null, |
| DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); |
| |
| // The active password is stored in the parent. |
| UserInfo parent = getProfileParent(userHandle); |
| int id = (parent == null) ? userHandle : parent.id; |
| DevicePolicyData policy = getUserDataUnchecked(id); |
| |
| return policy.mFailedPasswordAttempts; |
| } |
| } |
| |
| public void setMaximumFailedPasswordsForWipe(ComponentName who, int num) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| // This API can only be called by an active device admin, |
| // so try to retrieve it to check that the caller is one. |
| getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_WIPE_DATA); |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); |
| if (ap.maximumFailedPasswordsForWipe != num) { |
| ap.maximumFailedPasswordsForWipe = num; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| @Override |
| public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| ActiveAdmin admin = (who != null) ? getActiveAdminUncheckedLocked(who, userHandle) |
| : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); |
| return admin != null ? admin.maximumFailedPasswordsForWipe : 0; |
| } |
| } |
| |
| @Override |
| public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle) { |
| if (!mHasFeature) { |
| return UserHandle.USER_NULL; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); |
| return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; |
| } |
| } |
| |
| /** |
| * Returns the admin with the strictest policy on maximum failed passwords for this user and all |
| * profiles that are visible from this user. If the policy for the primary and any other profile |
| * are equal, it returns the admin for the primary profile. |
| * Returns {@code null} if none of them have that policy set. |
| */ |
| private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked(int userHandle) { |
| int count = 0; |
| ActiveAdmin strictestAdmin = null; |
| for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { |
| DevicePolicyData policy = getUserDataUnchecked(userInfo.id); |
| for (ActiveAdmin admin : policy.mAdminList) { |
| if (admin.maximumFailedPasswordsForWipe == |
| ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { |
| continue; // No max number of failed passwords policy set for this profile. |
| } |
| |
| // We always favor the primary profile if several profiles have the same value set. |
| if (count == 0 || |
| count > admin.maximumFailedPasswordsForWipe || |
| (userInfo.isPrimary() && count >= admin.maximumFailedPasswordsForWipe)) { |
| count = admin.maximumFailedPasswordsForWipe; |
| strictestAdmin = admin; |
| } |
| } |
| } |
| return strictestAdmin; |
| } |
| |
| public boolean resetPassword(String passwordOrNull, int flags) { |
| if (!mHasFeature) { |
| return false; |
| } |
| final int userHandle = UserHandle.getCallingUserId(); |
| enforceNotManagedProfile(userHandle, "reset the password"); |
| |
| String password = passwordOrNull != null ? passwordOrNull : ""; |
| |
| int quality; |
| synchronized (this) { |
| // This api can only be called by an active device admin, |
| // so try to retrieve it to check that the caller is one. |
| getActiveAdminForCallerLocked(null, |
| DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); |
| quality = getPasswordQuality(null, userHandle); |
| if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { |
| int realQuality = LockPatternUtils.computePasswordQuality(password); |
| if (realQuality < quality |
| && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { |
| Slog.w(LOG_TAG, "resetPassword: password quality 0x" |
| + Integer.toHexString(realQuality) |
| + " does not meet required quality 0x" |
| + Integer.toHexString(quality)); |
| return false; |
| } |
| quality = Math.max(realQuality, quality); |
| } |
| int length = getPasswordMinimumLength(null, userHandle); |
| if (password.length() < length) { |
| Slog.w(LOG_TAG, "resetPassword: password length " + password.length() |
| + " does not meet required length " + length); |
| return false; |
| } |
| if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { |
| int letters = 0; |
| int uppercase = 0; |
| int lowercase = 0; |
| int numbers = 0; |
| int symbols = 0; |
| int nonletter = 0; |
| for (int i = 0; i < password.length(); i++) { |
| char c = password.charAt(i); |
| if (c >= 'A' && c <= 'Z') { |
| letters++; |
| uppercase++; |
| } else if (c >= 'a' && c <= 'z') { |
| letters++; |
| lowercase++; |
| } else if (c >= '0' && c <= '9') { |
| numbers++; |
| nonletter++; |
| } else { |
| symbols++; |
| nonletter++; |
| } |
| } |
| int neededLetters = getPasswordMinimumLetters(null, userHandle); |
| if(letters < neededLetters) { |
| Slog.w(LOG_TAG, "resetPassword: number of letters " + letters |
| + " does not meet required number of letters " + neededLetters); |
| return false; |
| } |
| int neededNumbers = getPasswordMinimumNumeric(null, userHandle); |
| if (numbers < neededNumbers) { |
| Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers |
| + " does not meet required number of numerical digits " |
| + neededNumbers); |
| return false; |
| } |
| int neededLowerCase = getPasswordMinimumLowerCase(null, userHandle); |
| if (lowercase < neededLowerCase) { |
| Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase |
| + " does not meet required number of lowercase letters " |
| + neededLowerCase); |
| return false; |
| } |
| int neededUpperCase = getPasswordMinimumUpperCase(null, userHandle); |
| if (uppercase < neededUpperCase) { |
| Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase |
| + " does not meet required number of uppercase letters " |
| + neededUpperCase); |
| return false; |
| } |
| int neededSymbols = getPasswordMinimumSymbols(null, userHandle); |
| if (symbols < neededSymbols) { |
| Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols |
| + " does not meet required number of special symbols " + neededSymbols); |
| return false; |
| } |
| int neededNonLetter = getPasswordMinimumNonLetter(null, userHandle); |
| if (nonletter < neededNonLetter) { |
| Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter |
| + " does not meet required number of non-letter characters " |
| + neededNonLetter); |
| return false; |
| } |
| } |
| } |
| |
| int callingUid = Binder.getCallingUid(); |
| DevicePolicyData policy = getUserData(userHandle); |
| if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { |
| Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); |
| return false; |
| } |
| |
| boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwnerOrInitializer(callingUid); |
| boolean doNotAskCredentialsOnBoot = |
| (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; |
| if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { |
| setDoNotAskCredentialsOnBoot(); |
| } |
| |
| // Don't do this with the lock held, because it is going to call |
| // back in to the service. |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| LockPatternUtils utils = new LockPatternUtils(mContext); |
| if (!TextUtils.isEmpty(password)) { |
| utils.saveLockPassword(password, null, quality, userHandle); |
| } else { |
| utils.clearLock(userHandle); |
| } |
| boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; |
| if (requireEntry) { |
| utils.requireCredentialEntry(UserHandle.USER_ALL); |
| } |
| synchronized (this) { |
| int newOwner = requireEntry ? callingUid : -1; |
| if (policy.mPasswordOwner != newOwner) { |
| policy.mPasswordOwner = newOwner; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| |
| return true; |
| } |
| |
| private void setDoNotAskCredentialsOnBoot() { |
| synchronized (this) { |
| DevicePolicyData policyData = getUserData(UserHandle.USER_OWNER); |
| if (!policyData.doNotAskCredentialsOnBoot) { |
| policyData.doNotAskCredentialsOnBoot = true; |
| saveSettingsLocked(UserHandle.USER_OWNER); |
| } |
| } |
| } |
| |
| public boolean getDoNotAskCredentialsOnBoot() { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); |
| synchronized (this) { |
| DevicePolicyData policyData = getUserData(UserHandle.USER_OWNER); |
| return policyData.doNotAskCredentialsOnBoot; |
| } |
| } |
| |
| public void setMaximumTimeToLock(ComponentName who, long timeMs) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_FORCE_LOCK); |
| if (ap.maximumTimeToUnlock != timeMs) { |
| ap.maximumTimeToUnlock = timeMs; |
| saveSettingsLocked(userHandle); |
| updateMaximumTimeToLockLocked(getUserData(userHandle)); |
| } |
| } |
| } |
| |
| void updateMaximumTimeToLockLocked(DevicePolicyData policy) { |
| long timeMs = getMaximumTimeToLock(null, policy.mUserHandle); |
| if (policy.mLastMaximumTimeToLock == timeMs) { |
| return; |
| } |
| |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| if (timeMs <= 0) { |
| timeMs = Integer.MAX_VALUE; |
| } else { |
| // Make sure KEEP_SCREEN_ON is disabled, since that |
| // would allow bypassing of the maximum time to lock. |
| Settings.Global.putInt(mContext.getContentResolver(), |
| Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); |
| } |
| |
| policy.mLastMaximumTimeToLock = timeMs; |
| mPowerManagerInternal.setMaximumScreenOffTimeoutFromDeviceAdmin((int)timeMs); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| public long getMaximumTimeToLock(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| long time = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.maximumTimeToUnlock : time; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserDataUnchecked(userInfo.id); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (time == 0) { |
| time = admin.maximumTimeToUnlock; |
| } else if (admin.maximumTimeToUnlock != 0 |
| && time > admin.maximumTimeToUnlock) { |
| time = admin.maximumTimeToUnlock; |
| } |
| } |
| } |
| return time; |
| } |
| } |
| |
| public void lockNow() { |
| if (!mHasFeature) { |
| return; |
| } |
| synchronized (this) { |
| // This API can only be called by an active device admin, |
| // so try to retrieve it to check that the caller is one. |
| getActiveAdminForCallerLocked(null, |
| DeviceAdminInfo.USES_POLICY_FORCE_LOCK); |
| lockNowUnchecked(); |
| } |
| } |
| |
| private void lockNowUnchecked() { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| // Power off the display |
| mPowerManager.goToSleep(SystemClock.uptimeMillis(), |
| PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); |
| // Ensure the device is locked |
| new LockPatternUtils(mContext).requireCredentialEntry(UserHandle.USER_ALL); |
| getWindowManager().lockNow(null); |
| } catch (RemoteException e) { |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| private boolean isExtStorageEncrypted() { |
| String state = SystemProperties.get("vold.decrypt"); |
| return !"".equals(state); |
| } |
| |
| @Override |
| public void enforceCanManageCaCerts(ComponentName who) { |
| if (who == null) { |
| if (!isCallerDelegatedCertInstaller()) { |
| mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); |
| } |
| } else { |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| } |
| } |
| } |
| |
| private boolean isCallerDelegatedCertInstaller() { |
| final int callingUid = Binder.getCallingUid(); |
| final int userHandle = UserHandle.getUserId(callingUid); |
| synchronized (this) { |
| final DevicePolicyData policy = getUserData(userHandle); |
| if (policy.mDelegatedCertInstallerPackage == null) { |
| return false; |
| } |
| |
| try { |
| int uid = mContext.getPackageManager().getPackageUid( |
| policy.mDelegatedCertInstallerPackage, userHandle); |
| return uid == callingUid; |
| } catch (NameNotFoundException e) { |
| return false; |
| } |
| } |
| } |
| |
| @Override |
| public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { |
| enforceCanManageCaCerts(admin); |
| |
| byte[] pemCert; |
| try { |
| X509Certificate cert = parseCert(certBuffer); |
| pemCert = Credentials.convertToPem(cert); |
| } catch (CertificateException ce) { |
| Log.e(LOG_TAG, "Problem converting cert", ce); |
| return false; |
| } catch (IOException ioe) { |
| Log.e(LOG_TAG, "Problem reading cert", ioe); |
| return false; |
| } |
| |
| final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); |
| final long id = Binder.clearCallingIdentity(); |
| try { |
| final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); |
| try { |
| keyChainConnection.getService().installCaCertificate(pemCert); |
| return true; |
| } catch (RemoteException e) { |
| Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); |
| } finally { |
| keyChainConnection.close(); |
| } |
| } catch (InterruptedException e1) { |
| Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); |
| Thread.currentThread().interrupt(); |
| } finally { |
| Binder.restoreCallingIdentity(id); |
| } |
| return false; |
| } |
| |
| private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { |
| CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); |
| return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( |
| certBuffer)); |
| } |
| |
| @Override |
| public void uninstallCaCert(ComponentName admin, String alias) { |
| enforceCanManageCaCerts(admin); |
| |
| final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); |
| final long id = Binder.clearCallingIdentity(); |
| try { |
| final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); |
| try { |
| keyChainConnection.getService().deleteCaCertificate(alias); |
| } catch (RemoteException e) { |
| Log.e(LOG_TAG, "from CaCertUninstaller: ", e); |
| } finally { |
| keyChainConnection.close(); |
| } |
| } catch (InterruptedException ie) { |
| Log.w(LOG_TAG, "CaCertUninstaller: ", ie); |
| Thread.currentThread().interrupt(); |
| } finally { |
| Binder.restoreCallingIdentity(id); |
| } |
| } |
| |
| @Override |
| public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, String alias) { |
| if (who == null) { |
| if (!isCallerDelegatedCertInstaller()) { |
| throw new SecurityException("who == null, but caller is not cert installer"); |
| } |
| } else { |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| } |
| } |
| final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); |
| final long id = Binder.clearCallingIdentity(); |
| try { |
| final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); |
| try { |
| IKeyChainService keyChain = keyChainConnection.getService(); |
| return keyChain.installKeyPair(privKey, cert, alias); |
| } catch (RemoteException e) { |
| Log.e(LOG_TAG, "Installing certificate", e); |
| } finally { |
| keyChainConnection.close(); |
| } |
| } catch (InterruptedException e) { |
| Log.w(LOG_TAG, "Interrupted while installing certificate", e); |
| Thread.currentThread().interrupt(); |
| } finally { |
| Binder.restoreCallingIdentity(id); |
| } |
| return false; |
| } |
| |
| @Override |
| public void choosePrivateKeyAlias(final int uid, final String host, int port, final String url, |
| final String alias, final IBinder response) { |
| // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. |
| if (UserHandle.getAppId(Binder.getCallingUid()) != Process.SYSTEM_UID) { |
| return; |
| } |
| |
| final UserHandle caller = Binder.getCallingUserHandle(); |
| final ComponentName profileOwner = getProfileOwner(caller.getIdentifier()); |
| |
| if (profileOwner == null) { |
| sendPrivateKeyAliasResponse(null, response); |
| return; |
| } |
| |
| Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); |
| intent.setComponent(profileOwner); |
| intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); |
| intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_HOST, host); |
| intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_PORT, port); |
| intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URL, url); |
| intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); |
| intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); |
| |
| final long id = Binder.clearCallingIdentity(); |
| try { |
| mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| final String chosenAlias = getResultData(); |
| sendPrivateKeyAliasResponse(chosenAlias, response); |
| } |
| }, null, Activity.RESULT_OK, null, null); |
| } finally { |
| Binder.restoreCallingIdentity(id); |
| } |
| } |
| |
| private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { |
| final IKeyChainAliasCallback keyChainAliasResponse = |
| IKeyChainAliasCallback.Stub.asInterface(responseBinder); |
| new AsyncTask<Void, Void, Void>() { |
| @Override |
| protected Void doInBackground(Void... unused) { |
| try { |
| keyChainAliasResponse.alias(alias); |
| } catch (Exception e) { |
| // Catch everything (not just RemoteException): caller could throw a |
| // RuntimeException back across processes. |
| Log.e(LOG_TAG, "error while responding to callback", e); |
| } |
| return null; |
| } |
| }.execute(); |
| } |
| |
| @Override |
| public void setCertInstallerPackage(ComponentName who, String installerPackage) |
| throws SecurityException { |
| int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| DevicePolicyData policy = getUserData(userHandle); |
| policy.mDelegatedCertInstallerPackage = installerPackage; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| |
| @Override |
| public String getCertInstallerPackage(ComponentName who) throws SecurityException { |
| int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| DevicePolicyData policy = getUserData(userHandle); |
| return policy.mDelegatedCertInstallerPackage; |
| } |
| } |
| |
| private void wipeDataLocked(boolean wipeExtRequested, String reason) { |
| // TODO: wipe all public volumes on device |
| |
| // If the SD card is encrypted and non-removable, we have to force a wipe. |
| boolean forceExtWipe = !Environment.isExternalStorageRemovable() && isExtStorageEncrypted(); |
| |
| // Note: we can only do the wipe via ExternalStorageFormatter if the volume is not emulated. |
| if ((forceExtWipe || wipeExtRequested) && !Environment.isExternalStorageEmulated()) { |
| Intent intent = new Intent(ExternalStorageFormatter.FORMAT_AND_FACTORY_RESET); |
| intent.putExtra(ExternalStorageFormatter.EXTRA_ALWAYS_RESET, true); |
| intent.putExtra(Intent.EXTRA_REASON, reason); |
| intent.setComponent(ExternalStorageFormatter.COMPONENT_NAME); |
| mWakeLock.acquire(10000); |
| mContext.startService(intent); |
| } else { |
| try { |
| RecoverySystem.rebootWipeUserData(mContext, reason); |
| } catch (IOException | SecurityException e) { |
| Slog.w(LOG_TAG, "Failed requesting data wipe", e); |
| } |
| } |
| } |
| |
| @Override |
| public void wipeData(int flags, final int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| // This API can only be called by an active device admin, |
| // so try to retrieve it to check that the caller is one. |
| final ActiveAdmin admin = getActiveAdminForCallerLocked(null, |
| DeviceAdminInfo.USES_POLICY_WIPE_DATA); |
| |
| final String source; |
| final ComponentName cname = admin.info.getComponent(); |
| if (cname != null) { |
| source = cname.flattenToShortString(); |
| } else { |
| source = admin.info.getPackageName(); |
| } |
| |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { |
| boolean ownsInitialization = isDeviceInitializer(admin.info.getPackageName()) |
| && !hasUserSetupCompleted(userHandle); |
| if (userHandle != UserHandle.USER_OWNER |
| || !(isDeviceOwner(admin.info.getPackageName()) |
| || ownsInitialization)) { |
| throw new SecurityException( |
| "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); |
| } |
| PersistentDataBlockManager manager = (PersistentDataBlockManager) |
| mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); |
| if (manager != null) { |
| manager.wipe(); |
| } |
| } |
| boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; |
| wipeDeviceOrUserLocked(wipeExtRequested, userHandle, |
| "DevicePolicyManager.wipeData() from " + source); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, String reason) { |
| if (userHandle == UserHandle.USER_OWNER) { |
| wipeDataLocked(wipeExtRequested, reason); |
| } else { |
| mHandler.post(new Runnable() { |
| public void run() { |
| try { |
| IActivityManager am = ActivityManagerNative.getDefault(); |
| if (am.getCurrentUser().id == userHandle) { |
| am.switchUser(UserHandle.USER_OWNER); |
| } |
| if (!mUserManager.removeUser(userHandle)) { |
| Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); |
| } |
| } catch (RemoteException re) { |
| // Shouldn't happen |
| } |
| } |
| }); |
| } |
| } |
| |
| public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BIND_DEVICE_ADMIN, null); |
| |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); |
| if (admin == null) { |
| try { |
| result.sendResult(null); |
| } catch (RemoteException e) { |
| } |
| return; |
| } |
| Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); |
| intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); |
| intent.setComponent(admin.info.getComponent()); |
| mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), |
| null, new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| try { |
| result.sendResult(getResultExtras(false)); |
| } catch (RemoteException e) { |
| } |
| } |
| }, null, Activity.RESULT_OK, null, null); |
| } |
| } |
| |
| public void setActivePasswordState(int quality, int length, int letters, int uppercase, |
| int lowercase, int numbers, int symbols, int nonletter, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| enforceNotManagedProfile(userHandle, "set the active password"); |
| |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BIND_DEVICE_ADMIN, null); |
| DevicePolicyData p = getUserData(userHandle); |
| |
| validateQualityConstant(quality); |
| |
| synchronized (this) { |
| if (p.mActivePasswordQuality != quality || p.mActivePasswordLength != length |
| || p.mFailedPasswordAttempts != 0 || p.mActivePasswordLetters != letters |
| || p.mActivePasswordUpperCase != uppercase |
| || p.mActivePasswordLowerCase != lowercase |
| || p.mActivePasswordNumeric != numbers |
| || p.mActivePasswordSymbols != symbols |
| || p.mActivePasswordNonLetter != nonletter) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| p.mActivePasswordQuality = quality; |
| p.mActivePasswordLength = length; |
| p.mActivePasswordLetters = letters; |
| p.mActivePasswordLowerCase = lowercase; |
| p.mActivePasswordUpperCase = uppercase; |
| p.mActivePasswordNumeric = numbers; |
| p.mActivePasswordSymbols = symbols; |
| p.mActivePasswordNonLetter = nonletter; |
| p.mFailedPasswordAttempts = 0; |
| saveSettingsLocked(userHandle); |
| updatePasswordExpirationsLocked(userHandle); |
| setExpirationAlarmCheckLocked(mContext, p); |
| sendAdminCommandToSelfAndProfilesLocked( |
| DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Called any time the device password is updated. Resets all password expiration clocks. |
| */ |
| private void updatePasswordExpirationsLocked(int userHandle) { |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| int profileId = userInfo.id; |
| DevicePolicyData policy = getUserDataUnchecked(profileId); |
| final int N = policy.mAdminList.size(); |
| if (N > 0) { |
| for (int i=0; i<N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { |
| long timeout = admin.passwordExpirationTimeout; |
| long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; |
| admin.passwordExpirationDate = expiration; |
| } |
| } |
| } |
| saveSettingsLocked(profileId); |
| } |
| } |
| |
| public void reportFailedPasswordAttempt(int userHandle) { |
| enforceCrossUserPermission(userHandle); |
| enforceNotManagedProfile(userHandle, "report failed password attempt"); |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BIND_DEVICE_ADMIN, null); |
| |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| boolean wipeData = false; |
| int identifier = 0; |
| synchronized (this) { |
| DevicePolicyData policy = getUserData(userHandle); |
| policy.mFailedPasswordAttempts++; |
| saveSettingsLocked(userHandle); |
| if (mHasFeature) { |
| ActiveAdmin strictestAdmin = |
| getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); |
| int max = strictestAdmin != null |
| ? strictestAdmin.maximumFailedPasswordsForWipe : 0; |
| if (max > 0 && policy.mFailedPasswordAttempts >= max) { |
| // Wipe the user/profile associated with the policy that was violated. This |
| // is not necessarily calling user: if the policy that fired was from a |
| // managed profile rather than the main user profile, we wipe former only. |
| wipeData = true; |
| identifier = strictestAdmin.getUserHandle().getIdentifier(); |
| } |
| sendAdminCommandToSelfAndProfilesLocked( |
| DeviceAdminReceiver.ACTION_PASSWORD_FAILED, |
| DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); |
| } |
| } |
| if (wipeData) { |
| // Call without holding lock. |
| wipeDeviceOrUserLocked(false, identifier, |
| "reportFailedPasswordAttempt()"); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| public void reportSuccessfulPasswordAttempt(int userHandle) { |
| enforceCrossUserPermission(userHandle); |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BIND_DEVICE_ADMIN, null); |
| |
| synchronized (this) { |
| DevicePolicyData policy = getUserData(userHandle); |
| if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| policy.mFailedPasswordAttempts = 0; |
| policy.mPasswordOwner = -1; |
| saveSettingsLocked(userHandle); |
| if (mHasFeature) { |
| sendAdminCommandToSelfAndProfilesLocked( |
| DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, |
| DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| } |
| |
| public ComponentName setGlobalProxy(ComponentName who, String proxySpec, |
| String exclusionList) { |
| if (!mHasFeature) { |
| return null; |
| } |
| synchronized(this) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| |
| // Only check if owner has set global proxy. We don't allow other users to set it. |
| DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); |
| ActiveAdmin admin = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); |
| |
| // Scan through active admins and find if anyone has already |
| // set the global proxy. |
| Set<ComponentName> compSet = policy.mAdminMap.keySet(); |
| for (ComponentName component : compSet) { |
| ActiveAdmin ap = policy.mAdminMap.get(component); |
| if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { |
| // Another admin already sets the global proxy |
| // Return it to the caller. |
| return component; |
| } |
| } |
| |
| // If the user is not the owner, don't set the global proxy. Fail silently. |
| if (UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { |
| Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " |
| + UserHandle.getCallingUserId() + " is not permitted."); |
| return null; |
| } |
| if (proxySpec == null) { |
| admin.specifiesGlobalProxy = false; |
| admin.globalProxySpec = null; |
| admin.globalProxyExclusionList = null; |
| } else { |
| |
| admin.specifiesGlobalProxy = true; |
| admin.globalProxySpec = proxySpec; |
| admin.globalProxyExclusionList = exclusionList; |
| } |
| |
| // Reset the global proxy accordingly |
| // Do this using system permissions, as apps cannot write to secure settings |
| long origId = Binder.clearCallingIdentity(); |
| try { |
| resetGlobalProxyLocked(policy); |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| return null; |
| } |
| } |
| |
| public ComponentName getGlobalProxyAdmin(int userHandle) { |
| if (!mHasFeature) { |
| return null; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized(this) { |
| DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); |
| // Scan through active admins and find if anyone has already |
| // set the global proxy. |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin ap = policy.mAdminList.get(i); |
| if (ap.specifiesGlobalProxy) { |
| // Device admin sets the global proxy |
| // Return it to the caller. |
| return ap.info.getComponent(); |
| } |
| } |
| } |
| // No device admin sets the global proxy. |
| return null; |
| } |
| |
| public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| } |
| long token = Binder.clearCallingIdentity(); |
| try { |
| ConnectivityManager connectivityManager = (ConnectivityManager) |
| mContext.getSystemService(Context.CONNECTIVITY_SERVICE); |
| connectivityManager.setGlobalProxy(proxyInfo); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| private void resetGlobalProxyLocked(DevicePolicyData policy) { |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin ap = policy.mAdminList.get(i); |
| if (ap.specifiesGlobalProxy) { |
| saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); |
| return; |
| } |
| } |
| // No device admins defining global proxies - reset global proxy settings to none |
| saveGlobalProxyLocked(null, null); |
| } |
| |
| private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { |
| if (exclusionList == null) { |
| exclusionList = ""; |
| } |
| if (proxySpec == null) { |
| proxySpec = ""; |
| } |
| // Remove white spaces |
| proxySpec = proxySpec.trim(); |
| String data[] = proxySpec.split(":"); |
| int proxyPort = 8080; |
| if (data.length > 1) { |
| try { |
| proxyPort = Integer.parseInt(data[1]); |
| } catch (NumberFormatException e) {} |
| } |
| exclusionList = exclusionList.trim(); |
| ContentResolver res = mContext.getContentResolver(); |
| |
| ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); |
| if (!proxyProperties.isValid()) { |
| Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); |
| return; |
| } |
| Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); |
| Settings.Global.putInt(res, Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); |
| Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, |
| exclusionList); |
| } |
| |
| /** |
| * Set the storage encryption request for a single admin. Returns the new total request |
| * status (for all admins). |
| */ |
| public int setStorageEncryption(ComponentName who, boolean encrypt) { |
| if (!mHasFeature) { |
| return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| // Check for permissions |
| // Only owner can set storage encryption |
| if (userHandle != UserHandle.USER_OWNER |
| || UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { |
| Slog.w(LOG_TAG, "Only owner is allowed to set storage encryption. User " |
| + UserHandle.getCallingUserId() + " is not permitted."); |
| return 0; |
| } |
| |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_ENCRYPTED_STORAGE); |
| |
| // Quick exit: If the filesystem does not support encryption, we can exit early. |
| if (!isEncryptionSupported()) { |
| return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; |
| } |
| |
| // (1) Record the value for the admin so it's sticky |
| if (ap.encryptionRequested != encrypt) { |
| ap.encryptionRequested = encrypt; |
| saveSettingsLocked(userHandle); |
| } |
| |
| DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); |
| // (2) Compute "max" for all admins |
| boolean newRequested = false; |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| newRequested |= policy.mAdminList.get(i).encryptionRequested; |
| } |
| |
| // Notify OS of new request |
| setEncryptionRequested(newRequested); |
| |
| // Return the new global request status |
| return newRequested |
| ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE |
| : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; |
| } |
| } |
| |
| /** |
| * Get the current storage encryption request status for a given admin, or aggregate of all |
| * active admins. |
| */ |
| public boolean getStorageEncryption(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| // Check for permissions if a particular caller is specified |
| if (who != null) { |
| // When checking for a single caller, status is based on caller's request |
| ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); |
| return ap != null ? ap.encryptionRequested : false; |
| } |
| |
| // If no particular caller is specified, return the aggregate set of requests. |
| // This is short circuited by returning true on the first hit. |
| DevicePolicyData policy = getUserData(userHandle); |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| if (policy.mAdminList.get(i).encryptionRequested) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |
| |
| /** |
| * Get the current encryption status of the device. |
| */ |
| public int getStorageEncryptionStatus(int userHandle) { |
| if (!mHasFeature) { |
| // Ok to return current status. |
| } |
| enforceCrossUserPermission(userHandle); |
| return getEncryptionStatus(); |
| } |
| |
| /** |
| * Hook to low-levels: This should report if the filesystem supports encrypted storage. |
| */ |
| private boolean isEncryptionSupported() { |
| // Note, this can be implemented as |
| // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; |
| // But is provided as a separate internal method if there's a faster way to do a |
| // simple check for supported-or-not. |
| return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; |
| } |
| |
| /** |
| * Hook to low-levels: Reporting the current status of encryption. |
| * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, |
| * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, |
| * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, or |
| * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. |
| */ |
| private int getEncryptionStatus() { |
| String status = SystemProperties.get("ro.crypto.state", "unsupported"); |
| if ("encrypted".equalsIgnoreCase(status)) { |
| final long token = Binder.clearCallingIdentity(); |
| try { |
| return LockPatternUtils.isDeviceEncrypted() |
| ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE |
| : DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } else if ("unencrypted".equalsIgnoreCase(status)) { |
| return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; |
| } else { |
| return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; |
| } |
| } |
| |
| /** |
| * Hook to low-levels: If needed, record the new admin setting for encryption. |
| */ |
| private void setEncryptionRequested(boolean encrypt) { |
| } |
| |
| |
| /** |
| * Set whether the screen capture is disabled for the user managed by the specified admin. |
| */ |
| public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| if (ap.disableScreenCapture != disabled) { |
| ap.disableScreenCapture = disabled; |
| saveSettingsLocked(userHandle); |
| updateScreenCaptureDisabledInWindowManager(userHandle, disabled); |
| } |
| } |
| } |
| |
| /** |
| * Returns whether or not screen capture is disabled for a given admin, or disabled for any |
| * active admin (if given admin is null). |
| */ |
| public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| synchronized (this) { |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return (admin != null) ? admin.disableScreenCapture : false; |
| } |
| |
| DevicePolicyData policy = getUserData(userHandle); |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (admin.disableScreenCapture) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |
| |
| private void updateScreenCaptureDisabledInWindowManager(int userHandle, boolean disabled) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| getWindowManager().setScreenCaptureDisabled(userHandle, disabled); |
| } catch (RemoteException e) { |
| Log.w(LOG_TAG, "Unable to notify WindowManager.", e); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * Set whether auto time is required by the specified admin (must be device owner). |
| */ |
| public void setAutoTimeRequired(ComponentName who, boolean required) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| if (admin.requireAutoTime != required) { |
| admin.requireAutoTime = required; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| |
| // Turn AUTO_TIME on in settings if it is required |
| if (required) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| Settings.Global.putInt(mContext.getContentResolver(), |
| Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| /** |
| * Returns whether or not auto time is required by the device owner. |
| */ |
| public boolean getAutoTimeRequired() { |
| if (!mHasFeature) { |
| return false; |
| } |
| synchronized (this) { |
| ActiveAdmin deviceOwner = getDeviceOwnerAdmin(); |
| return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; |
| } |
| } |
| |
| /** |
| * The system property used to share the state of the camera. The native camera service |
| * is expected to read this property and act accordingly. The userId should be appended |
| * to this key. |
| */ |
| public static final String SYSTEM_PROP_DISABLE_CAMERA_PREFIX = "sys.secpolicy.camera.off_"; |
| |
| /** |
| * Disables all device cameras according to the specified admin. |
| */ |
| public void setCameraDisabled(ComponentName who, boolean disabled) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); |
| if (ap.disableCamera != disabled) { |
| ap.disableCamera = disabled; |
| saveSettingsLocked(userHandle); |
| } |
| syncDeviceCapabilitiesLocked(getUserData(userHandle)); |
| } |
| } |
| |
| /** |
| * Gets whether or not all device cameras are disabled for a given admin, or disabled for any |
| * active admins. |
| */ |
| public boolean getCameraDisabled(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| synchronized (this) { |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return (admin != null) ? admin.disableCamera : false; |
| } |
| |
| DevicePolicyData policy = getUserData(userHandle); |
| // Determine whether or not the device camera is disabled for any active admins. |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (admin.disableCamera) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |
| |
| /** |
| * Selectively disable keyguard features. |
| */ |
| public void setKeyguardDisabledFeatures(ComponentName who, int which) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| if (isManagedProfile(userHandle)) { |
| which = which & PROFILE_KEYGUARD_FEATURES; |
| } |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); |
| if (ap.disabledKeyguardFeatures != which) { |
| ap.disabledKeyguardFeatures = which; |
| saveSettingsLocked(userHandle); |
| } |
| syncDeviceCapabilitiesLocked(getUserData(userHandle)); |
| } |
| } |
| |
| /** |
| * Gets the disabled state for features in keyguard for the given admin, |
| * or the aggregate of all active admins if who is null. |
| */ |
| public int getKeyguardDisabledFeatures(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| synchronized (this) { |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return (admin != null) ? admin.disabledKeyguardFeatures : 0; |
| } |
| |
| UserInfo user = mUserManager.getUserInfo(userHandle); |
| final List<UserInfo> profiles; |
| if (user.isManagedProfile()) { |
| // If we are being asked about a managed profile just return |
| // keyguard features disabled by admins in the profile. |
| profiles = new ArrayList<UserInfo>(1); |
| profiles.add(user); |
| } else { |
| // Otherwise return those set by admins in the user |
| // and its profiles. |
| profiles = mUserManager.getProfiles(userHandle); |
| } |
| |
| // Determine which keyguard features are disabled by any active admin. |
| int which = 0; |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserData(userInfo.id); |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (userInfo.id == userHandle || !userInfo.isManagedProfile()) { |
| // If we are being asked explictly about this user |
| // return all disabled features even if its a managed profile. |
| which |= admin.disabledKeyguardFeatures; |
| } else { |
| // Otherwise a managed profile is only allowed to disable |
| // some features on the parent user. |
| which |= (admin.disabledKeyguardFeatures |
| & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); |
| } |
| } |
| } |
| return which; |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override |
| public boolean setDeviceOwner(String packageName, String ownerName) { |
| if (!mHasFeature) { |
| return false; |
| } |
| if (packageName == null |
| || !DeviceOwner.isInstalled(packageName, mContext.getPackageManager())) { |
| throw new IllegalArgumentException("Invalid package name " + packageName |
| + " for device owner"); |
| } |
| synchronized (this) { |
| enforceCanSetDeviceOwner(); |
| |
| // Shutting down backup manager service permanently. |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| IBackupManager ibm = IBackupManager.Stub.asInterface( |
| ServiceManager.getService(Context.BACKUP_SERVICE)); |
| ibm.setBackupServiceActive(UserHandle.USER_OWNER, false); |
| } catch (RemoteException e) { |
| throw new IllegalStateException("Failed deactivating backup service.", e); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| |
| if (mDeviceOwner == null) { |
| // Device owner is not set and does not exist, set it. |
| mDeviceOwner = DeviceOwner.createWithDeviceOwner(packageName, ownerName); |
| } else { |
| // Device owner state already exists, update it. |
| mDeviceOwner.setDeviceOwner(packageName, ownerName); |
| } |
| mDeviceOwner.writeOwnerFile(); |
| updateDeviceOwnerLocked(); |
| return true; |
| } |
| } |
| |
| @Override |
| public boolean isDeviceOwner(String packageName) { |
| if (!mHasFeature) { |
| return false; |
| } |
| synchronized (this) { |
| return mDeviceOwner != null |
| && mDeviceOwner.hasDeviceOwner() |
| && mDeviceOwner.getDeviceOwnerPackageName().equals(packageName); |
| } |
| } |
| |
| @Override |
| public String getDeviceOwner() { |
| if (!mHasFeature) { |
| return null; |
| } |
| synchronized (this) { |
| if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { |
| return mDeviceOwner.getDeviceOwnerPackageName(); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public String getDeviceOwnerName() { |
| if (!mHasFeature) { |
| return null; |
| } |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); |
| synchronized (this) { |
| if (mDeviceOwner == null || !mDeviceOwner.hasDeviceOwner()) { |
| return null; |
| } |
| String deviceOwnerPackage = mDeviceOwner.getDeviceOwnerPackageName(); |
| return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_OWNER); |
| } |
| } |
| |
| // Returns the active device owner or null if there is no device owner. |
| private ActiveAdmin getDeviceOwnerAdmin() { |
| String deviceOwnerPackageName = getDeviceOwner(); |
| if (deviceOwnerPackageName == null) { |
| return null; |
| } |
| |
| DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); |
| final int n = policy.mAdminList.size(); |
| for (int i = 0; i < n; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (deviceOwnerPackageName.equals(admin.info.getPackageName())) { |
| return admin; |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public void clearDeviceOwner(String packageName) { |
| Preconditions.checkNotNull(packageName, "packageName is null"); |
| try { |
| int uid = mContext.getPackageManager().getPackageUid(packageName, 0); |
| if (uid != Binder.getCallingUid()) { |
| throw new SecurityException("Invalid packageName"); |
| } |
| } catch (NameNotFoundException e) { |
| throw new SecurityException(e); |
| } |
| if (!isDeviceOwner(packageName)) { |
| throw new SecurityException("clearDeviceOwner can only be called by the device owner"); |
| } |
| synchronized (this) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| clearUserRestrictions(new UserHandle(UserHandle.USER_OWNER)); |
| if (mDeviceOwner != null) { |
| mDeviceOwner.clearDeviceOwner(); |
| mDeviceOwner.writeOwnerFile(); |
| updateDeviceOwnerLocked(); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| @Override |
| public boolean setDeviceInitializer(ComponentName who, ComponentName initializer, |
| String ownerName) { |
| if (!mHasFeature) { |
| return false; |
| } |
| if (initializer == null || !DeviceOwner.isInstalled( |
| initializer.getPackageName(), mContext.getPackageManager())) { |
| throw new IllegalArgumentException("Invalid component name " + initializer |
| + " for device initializer"); |
| } |
| synchronized (this) { |
| enforceCanSetDeviceInitializer(who); |
| |
| if (mDeviceOwner != null && mDeviceOwner.hasDeviceInitializer()) { |
| throw new IllegalStateException( |
| "Trying to set device initializer but device initializer is already set."); |
| } |
| |
| if (mDeviceOwner == null) { |
| // Device owner state does not exist, create it. |
| mDeviceOwner = DeviceOwner.createWithDeviceInitializer(initializer, ownerName); |
| } else { |
| // Device owner already exists, update it. |
| mDeviceOwner.setDeviceInitializer(initializer, ownerName); |
| } |
| |
| addDeviceInitializerToLockTaskPackagesLocked(UserHandle.USER_OWNER); |
| mDeviceOwner.writeOwnerFile(); |
| return true; |
| } |
| } |
| |
| private void enforceCanSetDeviceInitializer(ComponentName who) { |
| if (who == null) { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); |
| if (hasUserSetupCompleted(UserHandle.USER_OWNER)) { |
| throw new IllegalStateException( |
| "Trying to set device initializer but device is already provisioned."); |
| } |
| } else { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| } |
| } |
| |
| @Override |
| public boolean isDeviceInitializer(String packageName) { |
| if (!mHasFeature) { |
| return false; |
| } |
| synchronized (this) { |
| return mDeviceOwner != null |
| && mDeviceOwner.hasDeviceInitializer() |
| && mDeviceOwner.getDeviceInitializerPackageName().equals(packageName); |
| } |
| } |
| |
| @Override |
| public String getDeviceInitializer() { |
| if (!mHasFeature) { |
| return null; |
| } |
| synchronized (this) { |
| if (mDeviceOwner != null && mDeviceOwner.hasDeviceInitializer()) { |
| return mDeviceOwner.getDeviceInitializerPackageName(); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public ComponentName getDeviceInitializerComponent() { |
| if (!mHasFeature) { |
| return null; |
| } |
| synchronized (this) { |
| if (mDeviceOwner != null && mDeviceOwner.hasDeviceInitializer()) { |
| return mDeviceOwner.getDeviceInitializerComponent(); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public void clearDeviceInitializer(ComponentName who) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, UserHandle.getCallingUserId()); |
| |
| if (admin.getUid() != Binder.getCallingUid()) { |
| throw new SecurityException("Admin " + who + " is not owned by uid " |
| + Binder.getCallingUid()); |
| } |
| |
| if (!isDeviceInitializer(admin.info.getPackageName()) |
| && !isDeviceOwner(admin.info.getPackageName())) { |
| throw new SecurityException( |
| "clearDeviceInitializer can only be called by the device initializer/owner"); |
| } |
| synchronized (this) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| if (mDeviceOwner != null) { |
| mDeviceOwner.clearDeviceInitializer(); |
| mDeviceOwner.writeOwnerFile(); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| @Override |
| public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| if (who == null |
| || !DeviceOwner.isInstalledForUser(who.getPackageName(), userHandle)) { |
| throw new IllegalArgumentException("Component " + who |
| + " not installed for userId:" + userHandle); |
| } |
| synchronized (this) { |
| enforceCanSetProfileOwner(userHandle); |
| if (mDeviceOwner == null) { |
| // Device owner state does not exist, create it. |
| mDeviceOwner = DeviceOwner.createWithProfileOwner(who, ownerName, |
| userHandle); |
| } else { |
| // Device owner state already exists, update it. |
| mDeviceOwner.setProfileOwner(who, ownerName, userHandle); |
| } |
| mDeviceOwner.writeOwnerFile(); |
| return true; |
| } |
| } |
| |
| @Override |
| public void clearProfileOwner(ComponentName who) { |
| if (!mHasFeature) { |
| return; |
| } |
| UserHandle callingUser = Binder.getCallingUserHandle(); |
| int userId = callingUser.getIdentifier(); |
| // Check if this is the profile owner who is calling |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| synchronized (this) { |
| // Reset some of the profile-owner policies |
| DevicePolicyData policy = getUserData(userId); |
| policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; |
| policy.mDelegatedCertInstallerPackage = null; |
| policy.mStatusBarDisabled = false; |
| saveSettingsLocked(userId); |
| |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| clearUserRestrictions(callingUser); |
| if (mDeviceOwner != null) { |
| mDeviceOwner.removeProfileOwner(userId); |
| mDeviceOwner.writeOwnerFile(); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| private void clearUserRestrictions(UserHandle userHandle) { |
| AudioManager audioManager = |
| (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); |
| Bundle userRestrictions = mUserManager.getUserRestrictions(); |
| mUserManager.setUserRestrictions(new Bundle(), userHandle); |
| if (userRestrictions.getBoolean(UserManager.DISALLOW_ADJUST_VOLUME)) { |
| audioManager.setMasterMute(false, 0); |
| } |
| if (userRestrictions.getBoolean(UserManager.DISALLOW_UNMUTE_MICROPHONE)) { |
| audioManager.setMicrophoneMute(false); |
| } |
| } |
| |
| @Override |
| public boolean hasUserSetupCompleted() { |
| return hasUserSetupCompleted(UserHandle.getCallingUserId()); |
| } |
| |
| private boolean hasUserSetupCompleted(int userHandle) { |
| if (!mHasFeature) { |
| return true; |
| } |
| DevicePolicyData policy = getUserData(userHandle); |
| // If policy is null, return true, else check if the setup has completed. |
| return policy == null || policy.mUserSetupComplete; |
| } |
| |
| @Override |
| public boolean setUserEnabled(ComponentName who) { |
| if (!mHasFeature) { |
| return false; |
| } |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| int userId = UserHandle.getCallingUserId(); |
| |
| ActiveAdmin activeAdmin = |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| if (!isDeviceInitializer(activeAdmin.info.getPackageName())) { |
| throw new SecurityException( |
| "This method can only be called by device initializers"); |
| } |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| if (!isDeviceOwner(activeAdmin.info.getPackageName())) { |
| IPackageManager ipm = AppGlobals.getPackageManager(); |
| ipm.setComponentEnabledSetting(who, |
| PackageManager.COMPONENT_ENABLED_STATE_DISABLED, |
| PackageManager.DONT_KILL_APP, userId); |
| |
| removeActiveAdmin(who, userId); |
| } |
| |
| if (userId == UserHandle.USER_OWNER) { |
| Settings.Global.putInt(mContext.getContentResolver(), |
| Settings.Global.DEVICE_PROVISIONED, 1); |
| } |
| Settings.Secure.putIntForUser(mContext.getContentResolver(), |
| Settings.Secure.USER_SETUP_COMPLETE, 1, userId); |
| } catch (RemoteException e) { |
| Log.i(LOG_TAG, "Can't talk to package manager", e); |
| return false; |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| return true; |
| } |
| } |
| |
| @Override |
| public void setProfileEnabled(ComponentName who) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| // Check if this is the profile owner who is calling |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| int userId = UserHandle.getCallingUserId(); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| mUserManager.setUserEnabled(userId); |
| Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); |
| intent.putExtra(Intent.EXTRA_USER, new UserHandle(userHandle)); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | |
| Intent.FLAG_RECEIVER_FOREGROUND); |
| // TODO This should send to parent of profile (which is always owner at the moment). |
| mContext.sendBroadcastAsUser(intent, UserHandle.OWNER); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public void setProfileName(ComponentName who, String profileName) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| int userId = UserHandle.getCallingUserId(); |
| // Check if this is the profile owner (includes device owner). |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| mUserManager.setUserName(userId, profileName); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| |
| @Override |
| public ComponentName getProfileOwner(int userHandle) { |
| if (!mHasFeature) { |
| return null; |
| } |
| |
| synchronized (this) { |
| if (mDeviceOwner != null) { |
| return mDeviceOwner.getProfileOwnerComponent(userHandle); |
| } |
| } |
| return null; |
| } |
| |
| // Returns the active profile owner for this user or null if the current user has no |
| // profile owner. |
| private ActiveAdmin getProfileOwnerAdmin(int userHandle) { |
| ComponentName profileOwner = |
| mDeviceOwner != null ? mDeviceOwner.getProfileOwnerComponent(userHandle) : null; |
| if (profileOwner == null) { |
| return null; |
| } |
| DevicePolicyData policy = getUserData(userHandle); |
| final int n = policy.mAdminList.size(); |
| for (int i = 0; i < n; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (profileOwner.equals(admin.info.getComponent())) { |
| return admin; |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public String getProfileOwnerName(int userHandle) { |
| if (!mHasFeature) { |
| return null; |
| } |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); |
| ComponentName profileOwner = getProfileOwner(userHandle); |
| if (profileOwner == null) { |
| return null; |
| } |
| return getApplicationLabel(profileOwner.getPackageName(), userHandle); |
| } |
| |
| /** |
| * Canonical name for a given package. |
| */ |
| private String getApplicationLabel(String packageName, int userHandle) { |
| long token = Binder.clearCallingIdentity(); |
| try { |
| final Context userContext; |
| try { |
| UserHandle handle = new UserHandle(userHandle); |
| userContext = mContext.createPackageContextAsUser(packageName, 0, handle); |
| } catch (PackageManager.NameNotFoundException nnfe) { |
| Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); |
| return null; |
| } |
| ApplicationInfo appInfo = userContext.getApplicationInfo(); |
| CharSequence result = null; |
| if (appInfo != null) { |
| PackageManager pm = userContext.getPackageManager(); |
| result = pm.getApplicationLabel(appInfo); |
| } |
| return result != null ? result.toString() : null; |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| /** |
| * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS |
| * permission. |
| * The profile owner can only be set before the user setup phase has completed, |
| * except for: |
| * - SYSTEM_UID |
| * - adb if there are not accounts. |
| */ |
| private void enforceCanSetProfileOwner(int userHandle) { |
| UserInfo info = mUserManager.getUserInfo(userHandle); |
| if (info == null) { |
| // User doesn't exist. |
| throw new IllegalArgumentException( |
| "Attempted to set profile owner for invalid userId: " + userHandle); |
| } |
| if (info.isGuest()) { |
| throw new IllegalStateException("Cannot set a profile owner on a guest"); |
| } |
| if (getProfileOwner(userHandle) != null) { |
| throw new IllegalStateException("Trying to set the profile owner, but profile owner " |
| + "is already set."); |
| } |
| int callingUid = Binder.getCallingUid(); |
| if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { |
| if (hasUserSetupCompleted(userHandle) && |
| AccountManager.get(mContext).getAccountsAsUser(userHandle).length > 0) { |
| throw new IllegalStateException("Not allowed to set the profile owner because " |
| + "there are already some accounts on the profile"); |
| } |
| return; |
| } |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); |
| if (hasUserSetupCompleted(userHandle) |
| && UserHandle.getAppId(callingUid) != Process.SYSTEM_UID) { |
| throw new IllegalStateException("Cannot set the profile owner on a user which is " |
| + "already set-up"); |
| } |
| } |
| |
| /** |
| * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS |
| * permission. |
| * The device owner can only be set before the setup phase of the primary user has completed, |
| * except for adb if no accounts or additional users are present on the device. |
| */ |
| private void enforceCanSetDeviceOwner() { |
| if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { |
| throw new IllegalStateException("Trying to set the device owner, but device owner " |
| + "is already set."); |
| } |
| int callingUid = Binder.getCallingUid(); |
| if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { |
| if (!hasUserSetupCompleted(UserHandle.USER_OWNER)) { |
| return; |
| } |
| if (mUserManager.getUserCount() > 1) { |
| throw new IllegalStateException("Not allowed to set the device owner because there " |
| + "are already several users on the device"); |
| } |
| if (AccountManager.get(mContext).getAccounts().length > 0) { |
| throw new IllegalStateException("Not allowed to set the device owner because there " |
| + "are already some accounts on the device"); |
| } |
| return; |
| } |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); |
| if (hasUserSetupCompleted(UserHandle.USER_OWNER)) { |
| throw new IllegalStateException("Cannot set the device owner if the device is " |
| + "already set-up"); |
| } |
| } |
| |
| private void enforceCrossUserPermission(int userHandle) { |
| if (userHandle < 0) { |
| throw new IllegalArgumentException("Invalid userId " + userHandle); |
| } |
| final int callingUid = Binder.getCallingUid(); |
| if (userHandle == UserHandle.getUserId(callingUid)) return; |
| if (callingUid != Process.SYSTEM_UID && callingUid != 0) { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, "Must be system or have" |
| + " INTERACT_ACROSS_USERS_FULL permission"); |
| } |
| } |
| |
| private void enforceSystemProcess(String message) { |
| if (Binder.getCallingUid() != Process.SYSTEM_UID) { |
| throw new SecurityException(message); |
| } |
| } |
| |
| private void enforceNotManagedProfile(int userHandle, String message) { |
| if(isManagedProfile(userHandle)) { |
| throw new SecurityException("You can not " + message + " for a managed profile. "); |
| } |
| } |
| |
| private UserInfo getProfileParent(int userHandle) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| return mUserManager.getProfileParent(userHandle); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| private boolean isManagedProfile(int userHandle) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| return mUserManager.getUserInfo(userHandle).isManagedProfile(); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| private void enableIfNecessary(String packageName, int userId) { |
| try { |
| IPackageManager ipm = AppGlobals.getPackageManager(); |
| ApplicationInfo ai = ipm.getApplicationInfo(packageName, |
| PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, |
| userId); |
| if (ai.enabledSetting |
| == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { |
| ipm.setApplicationEnabledSetting(packageName, |
| PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, |
| PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); |
| } |
| } catch (RemoteException e) { |
| } |
| } |
| |
| @Override |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) |
| != PackageManager.PERMISSION_GRANTED) { |
| |
| pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid()); |
| return; |
| } |
| |
| final Printer p = new PrintWriterPrinter(pw); |
| |
| synchronized (this) { |
| p.println("Current Device Policy Manager state:"); |
| if (mDeviceOwner != null) { |
| mDeviceOwner.dump(" ", pw); |
| } |
| int userCount = mUserData.size(); |
| for (int u = 0; u < userCount; u++) { |
| DevicePolicyData policy = getUserData(mUserData.keyAt(u)); |
| p.println(" Enabled Device Admins (User " + policy.mUserHandle + "):"); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin ap = policy.mAdminList.get(i); |
| if (ap != null) { |
| pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); |
| pw.println(":"); |
| ap.dump(" ", pw); |
| } |
| } |
| if (!policy.mRemovingAdmins.isEmpty()) { |
| p.println(" Removing Device Admins (User " + policy.mUserHandle + "): " |
| + policy.mRemovingAdmins); |
| } |
| |
| pw.println(" "); |
| pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); |
| } |
| } |
| } |
| |
| @Override |
| public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, |
| ComponentName activity) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| long id = Binder.clearCallingIdentity(); |
| try { |
| pm.addPersistentPreferredActivity(filter, activity, userHandle); |
| } catch (RemoteException re) { |
| // Shouldn't happen |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| long id = Binder.clearCallingIdentity(); |
| try { |
| pm.clearPackagePersistentPreferredActivities(packageName, userHandle); |
| } catch (RemoteException re) { |
| // Shouldn't happen |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public void setPreferredSetupActivity(ComponentName who, ComponentName activity) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| ActiveAdmin activeAdmin = |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| if (!isDeviceInitializer(activeAdmin.info.getPackageName())) { |
| throw new SecurityException( |
| "This method can only be called by device initializers"); |
| } |
| int userHandle = UserHandle.getCallingUserId(); |
| DevicePolicyData userData = getUserData(userHandle); |
| userData.mPreferredSetupActivity = activity; |
| saveSettingsLocked(userHandle); |
| updatePreferredSetupActivityLocked(userHandle); |
| } |
| } |
| |
| private void updatePreferredSetupActivityLocked(int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| IActivityManager am = ActivityManagerNative.getDefault(); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| am.updatePreferredSetupActivity( |
| getUserData(userHandle).mPreferredSetupActivity, userHandle); |
| } catch (RemoteException e) { |
| // Not gonna happen. |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override |
| public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| mUserManager.setApplicationRestrictions(packageName, settings, userHandle); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, |
| PersistableBundle args) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(admin, "admin is null"); |
| Preconditions.checkNotNull(agent, "agent is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| enforceNotManagedProfile(userHandle, "set trust agent configuration"); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked(admin, |
| DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); |
| ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); |
| saveSettingsLocked(userHandle); |
| syncDeviceCapabilitiesLocked(getUserData(userHandle)); |
| } |
| } |
| |
| public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, |
| ComponentName agent, int userHandle) { |
| if (!mHasFeature) { |
| return null; |
| } |
| Preconditions.checkNotNull(agent, "agent null"); |
| enforceCrossUserPermission(userHandle); |
| |
| synchronized (this) { |
| final String componentName = agent.flattenToString(); |
| if (admin != null) { |
| final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle); |
| if (ap == null) return null; |
| TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); |
| if (trustAgentInfo == null || trustAgentInfo.options == null) return null; |
| List<PersistableBundle> result = new ArrayList<PersistableBundle>(); |
| result.add(trustAgentInfo.options); |
| return result; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| final List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| List<PersistableBundle> result = null; |
| |
| // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track |
| // of the options. If any admin doesn't have options, discard options for the rest |
| // and return null. |
| boolean allAdminsHaveOptions = true; |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserDataUnchecked(userInfo.id); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i < N; i++) { |
| final ActiveAdmin active = policy.mAdminList.get(i); |
| final boolean disablesTrust = (active.disabledKeyguardFeatures |
| & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; |
| final TrustAgentInfo info = active.trustAgentInfos.get(componentName); |
| if (info != null && info.options != null && !info.options.isEmpty()) { |
| if (disablesTrust) { |
| if (result == null) { |
| result = new ArrayList<PersistableBundle>(); |
| } |
| result.add(info.options); |
| } else { |
| Log.w(LOG_TAG, "Ignoring admin " + active.info |
| + " because it has trust options but doesn't declare " |
| + "KEYGUARD_DISABLE_TRUST_AGENTS"); |
| } |
| } else if (disablesTrust) { |
| allAdminsHaveOptions = false; |
| break; |
| } |
| } |
| } |
| return allAdminsHaveOptions ? result : null; |
| } |
| } |
| |
| @Override |
| public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| int userHandle = UserHandle.getCallingUserId(); |
| DevicePolicyData userData = getUserData(userHandle); |
| userData.mRestrictionsProvider = permissionProvider; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| |
| @Override |
| public ComponentName getRestrictionsProvider(int userHandle) { |
| synchronized (this) { |
| if (Binder.getCallingUid() != Process.SYSTEM_UID) { |
| throw new SecurityException("Only the system can query the permission provider"); |
| } |
| DevicePolicyData userData = getUserData(userHandle); |
| return userData != null ? userData.mRestrictionsProvider : null; |
| } |
| } |
| |
| public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| int callingUserId = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| long id = Binder.clearCallingIdentity(); |
| try { |
| if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { |
| pm.addCrossProfileIntentFilter(filter, who.getPackageName(), callingUserId, |
| UserHandle.USER_OWNER, 0); |
| } |
| if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { |
| pm.addCrossProfileIntentFilter(filter, who.getPackageName(), |
| UserHandle.USER_OWNER, callingUserId, 0); |
| } |
| } catch (RemoteException re) { |
| // Shouldn't happen |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| public void clearCrossProfileIntentFilters(ComponentName who) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| int callingUserId = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| long id = Binder.clearCallingIdentity(); |
| try { |
| // Removing those that go from the managed profile to the primary user. |
| pm.clearCrossProfileIntentFilters(callingUserId, who.getPackageName()); |
| // And those that go from the primary user to the managed profile. |
| // If we want to support multiple managed profiles, we will have to only remove |
| // those that have callingUserId as their target. |
| pm.clearCrossProfileIntentFilters(UserHandle.USER_OWNER, who.getPackageName()); |
| } catch (RemoteException re) { |
| // Shouldn't happen |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| /** |
| * @return true if all packages in enabledPackages are either in the list |
| * permittedList or are a system app. |
| */ |
| private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, |
| List<String> permittedList) { |
| int userIdToCheck = UserHandle.getCallingUserId(); |
| long id = Binder.clearCallingIdentity(); |
| try { |
| // If we have an enabled packages list for a managed profile the packages |
| // we should check are installed for the parent user. |
| UserInfo user = mUserManager.getUserInfo(userIdToCheck); |
| if (user.isManagedProfile()) { |
| userIdToCheck = user.profileGroupId; |
| } |
| |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| for (String enabledPackage : enabledPackages) { |
| boolean systemService = false; |
| try { |
| ApplicationInfo applicationInfo = pm.getApplicationInfo(enabledPackage, |
| PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); |
| systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; |
| } catch (RemoteException e) { |
| Log.i(LOG_TAG, "Can't talk to package managed", e); |
| } |
| if (!systemService && !permittedList.contains(enabledPackage)) { |
| return false; |
| } |
| } |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| return true; |
| } |
| |
| private AccessibilityManager getAccessibilityManagerForUser(int userId) { |
| // Not using AccessibilityManager.getInstance because that guesses |
| // at the user you require based on callingUid and caches for a given |
| // process. |
| IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); |
| IAccessibilityManager service = iBinder == null |
| ? null : IAccessibilityManager.Stub.asInterface(iBinder); |
| return new AccessibilityManager(mContext, service, userId); |
| } |
| |
| @Override |
| public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { |
| if (!mHasFeature) { |
| return false; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| |
| if (packageList != null) { |
| int userId = UserHandle.getCallingUserId(); |
| List<AccessibilityServiceInfo> enabledServices = null; |
| long id = Binder.clearCallingIdentity(); |
| try { |
| UserInfo user = mUserManager.getUserInfo(userId); |
| if (user.isManagedProfile()) { |
| userId = user.profileGroupId; |
| } |
| AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); |
| enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( |
| AccessibilityServiceInfo.FEEDBACK_ALL_MASK); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| |
| if (enabledServices != null) { |
| List<String> enabledPackages = new ArrayList<String>(); |
| for (AccessibilityServiceInfo service : enabledServices) { |
| enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); |
| } |
| if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { |
| Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " |
| + "because it contains already enabled accesibility services."); |
| return false; |
| } |
| } |
| } |
| |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| admin.permittedAccessiblityServices = packageList; |
| saveSettingsLocked(UserHandle.getCallingUserId()); |
| } |
| return true; |
| } |
| |
| @Override |
| public List getPermittedAccessibilityServices(ComponentName who) { |
| if (!mHasFeature) { |
| return null; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| return admin.permittedAccessiblityServices; |
| } |
| } |
| |
| @Override |
| public List getPermittedAccessibilityServicesForUser(int userId) { |
| if (!mHasFeature) { |
| return null; |
| } |
| synchronized (this) { |
| List<String> result = null; |
| // If we have multiple profiles we return the intersection of the |
| // permitted lists. This can happen in cases where we have a device |
| // and profile owner. |
| List<UserInfo> profiles = mUserManager.getProfiles(userId); |
| final int PROFILES_SIZE = profiles.size(); |
| for (int i = 0; i < PROFILES_SIZE; ++i) { |
| // Just loop though all admins, only device or profiles |
| // owners can have permitted lists set. |
| DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); |
| final int N = policy.mAdminList.size(); |
| for (int j = 0; j < N; j++) { |
| ActiveAdmin admin = policy.mAdminList.get(j); |
| List<String> fromAdmin = admin.permittedAccessiblityServices; |
| if (fromAdmin != null) { |
| if (result == null) { |
| result = new ArrayList<String>(fromAdmin); |
| } else { |
| result.retainAll(fromAdmin); |
| } |
| } |
| } |
| } |
| |
| // If we have a permitted list add all system accessibility services. |
| if (result != null) { |
| long id = Binder.clearCallingIdentity(); |
| try { |
| UserInfo user = mUserManager.getUserInfo(userId); |
| if (user.isManagedProfile()) { |
| userId = user.profileGroupId; |
| } |
| AccessibilityManager accessibilityManager = |
| getAccessibilityManagerForUser(userId); |
| List<AccessibilityServiceInfo> installedServices = |
| accessibilityManager.getInstalledAccessibilityServiceList(); |
| |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| if (installedServices != null) { |
| for (AccessibilityServiceInfo service : installedServices) { |
| ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; |
| ApplicationInfo applicationInfo = serviceInfo.applicationInfo; |
| if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { |
| result.add(serviceInfo.packageName); |
| } |
| } |
| } |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| |
| return result; |
| } |
| } |
| |
| private boolean checkCallerIsCurrentUserOrProfile() { |
| int callingUserId = UserHandle.getCallingUserId(); |
| long token = Binder.clearCallingIdentity(); |
| try { |
| UserInfo currentUser; |
| UserInfo callingUser = mUserManager.getUserInfo(callingUserId); |
| try { |
| currentUser = ActivityManagerNative.getDefault().getCurrentUser(); |
| } catch (RemoteException e) { |
| Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); |
| return false; |
| } |
| |
| if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { |
| Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " |
| + "of a user that isn't the foreground user."); |
| return false; |
| } |
| if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { |
| Slog.e(LOG_TAG, "Cannot set permitted input methods " |
| + "of a user that isn't the foreground user."); |
| return false; |
| } |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean setPermittedInputMethods(ComponentName who, List packageList) { |
| if (!mHasFeature) { |
| return false; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| |
| // TODO When InputMethodManager supports per user calls remove |
| // this restriction. |
| if (!checkCallerIsCurrentUserOrProfile()) { |
| return false; |
| } |
| |
| if (packageList != null) { |
| // InputMethodManager fetches input methods for current user. |
| // So this can only be set when calling user is the current user |
| // or parent is current user in case of managed profiles. |
| InputMethodManager inputMethodManager = (InputMethodManager) mContext |
| .getSystemService(Context.INPUT_METHOD_SERVICE); |
| List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); |
| |
| if (enabledImes != null) { |
| List<String> enabledPackages = new ArrayList<String>(); |
| for (InputMethodInfo ime : enabledImes) { |
| enabledPackages.add(ime.getPackageName()); |
| } |
| if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { |
| Slog.e(LOG_TAG, "Cannot set permitted input methods, " |
| + "because it contains already enabled input method."); |
| return false; |
| } |
| } |
| } |
| |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| admin.permittedInputMethods = packageList; |
| saveSettingsLocked(UserHandle.getCallingUserId()); |
| } |
| return true; |
| } |
| |
| @Override |
| public List getPermittedInputMethods(ComponentName who) { |
| if (!mHasFeature) { |
| return null; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| return admin.permittedInputMethods; |
| } |
| } |
| |
| @Override |
| public List getPermittedInputMethodsForCurrentUser() { |
| UserInfo currentUser; |
| try { |
| currentUser = ActivityManagerNative.getDefault().getCurrentUser(); |
| } catch (RemoteException e) { |
| Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); |
| // Activity managed is dead, just allow all IMEs |
| return null; |
| } |
| |
| int userId = currentUser.id; |
| synchronized (this) { |
| List<String> result = null; |
| // If we have multiple profiles we return the intersection of the |
| // permitted lists. This can happen in cases where we have a device |
| // and profile owner. |
| List<UserInfo> profiles = mUserManager.getProfiles(userId); |
| final int PROFILES_SIZE = profiles.size(); |
| for (int i = 0; i < PROFILES_SIZE; ++i) { |
| // Just loop though all admins, only device or profiles |
| // owners can have permitted lists set. |
| DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); |
| final int N = policy.mAdminList.size(); |
| for (int j = 0; j < N; j++) { |
| ActiveAdmin admin = policy.mAdminList.get(j); |
| List<String> fromAdmin = admin.permittedInputMethods; |
| if (fromAdmin != null) { |
| if (result == null) { |
| result = new ArrayList<String>(fromAdmin); |
| } else { |
| result.retainAll(fromAdmin); |
| } |
| } |
| } |
| } |
| |
| // If we have a permitted list add all system input methods. |
| if (result != null) { |
| InputMethodManager inputMethodManager = (InputMethodManager) mContext |
| .getSystemService(Context.INPUT_METHOD_SERVICE); |
| List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); |
| long id = Binder.clearCallingIdentity(); |
| try { |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| if (imes != null) { |
| for (InputMethodInfo ime : imes) { |
| ServiceInfo serviceInfo = ime.getServiceInfo(); |
| ApplicationInfo applicationInfo = serviceInfo.applicationInfo; |
| if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { |
| result.add(serviceInfo.packageName); |
| } |
| } |
| } |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| return result; |
| } |
| } |
| |
| @Override |
| public UserHandle createUser(ComponentName who, String name) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| UserInfo userInfo = mUserManager.createUser(name, 0 /* flags */); |
| if (userInfo != null) { |
| return userInfo.getUserHandle(); |
| } |
| return null; |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public UserHandle createAndInitializeUser(ComponentName who, String name, |
| String ownerName, ComponentName profileOwnerComponent, Bundle adminExtras) { |
| UserHandle user = createUser(who, name); |
| if (user == null) { |
| return null; |
| } |
| long id = Binder.clearCallingIdentity(); |
| try { |
| String profileOwnerPkg = profileOwnerComponent.getPackageName(); |
| final IPackageManager ipm = AppGlobals.getPackageManager(); |
| IActivityManager activityManager = ActivityManagerNative.getDefault(); |
| |
| final int userHandle = user.getIdentifier(); |
| try { |
| // Install the profile owner if not present. |
| if (!ipm.isPackageAvailable(profileOwnerPkg, userHandle)) { |
| ipm.installExistingPackageAsUser(profileOwnerPkg, userHandle); |
| } |
| |
| // Start user in background. |
| activityManager.startUserInBackground(userHandle); |
| } catch (RemoteException e) { |
| Slog.e(LOG_TAG, "Failed to make remote calls for configureUser", e); |
| } |
| |
| setActiveAdmin(profileOwnerComponent, true, userHandle, adminExtras); |
| setProfileOwner(profileOwnerComponent, ownerName, userHandle); |
| return user; |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| |
| @Override |
| public boolean removeUser(ComponentName who, UserHandle userHandle) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| return mUserManager.removeUser(userHandle.getIdentifier()); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public boolean switchUser(ComponentName who, UserHandle userHandle) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| int userId = UserHandle.USER_OWNER; |
| if (userHandle != null) { |
| userId = userHandle.getIdentifier(); |
| } |
| return ActivityManagerNative.getDefault().switchUser(userId); |
| } catch (RemoteException e) { |
| Log.e(LOG_TAG, "Couldn't switch user", e); |
| return false; |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public Bundle getApplicationRestrictions(ComponentName who, String packageName) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); |
| |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); |
| // if no restrictions were saved, mUserManager.getApplicationRestrictions |
| // returns null, but DPM method should return an empty Bundle as per JavaDoc |
| return bundle != null ? bundle : Bundle.EMPTY; |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public void setUserRestriction(ComponentName who, String key, boolean enabled) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); |
| final int userHandle = user.getIdentifier(); |
| synchronized (this) { |
| ActiveAdmin activeAdmin = |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| boolean isDeviceOwner = isDeviceOwner(activeAdmin.info.getPackageName()); |
| if (!isDeviceOwner && userHandle != UserHandle.USER_OWNER |
| && DEVICE_OWNER_USER_RESTRICTIONS.contains(key)) { |
| throw new SecurityException("Profile owners cannot set user restriction " + key); |
| } |
| if (IMMUTABLE_USER_RESTRICTIONS.contains(key)) { |
| throw new SecurityException("User restriction " + key + " cannot be changed"); |
| } |
| boolean alreadyRestricted = mUserManager.hasUserRestriction(key, user); |
| |
| IAudioService iAudioService = null; |
| if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key) |
| || UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { |
| iAudioService = IAudioService.Stub.asInterface( |
| ServiceManager.getService(Context.AUDIO_SERVICE)); |
| } |
| |
| if (enabled && !alreadyRestricted) { |
| try { |
| if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { |
| iAudioService.setMicrophoneMute(true, who.getPackageName()); |
| } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { |
| iAudioService.setMasterMute(true, 0, who.getPackageName()); |
| } |
| } catch (RemoteException re) { |
| Slog.e(LOG_TAG, "Failed to talk to AudioService.", re); |
| } |
| } |
| long id = Binder.clearCallingIdentity(); |
| try { |
| if (enabled && !alreadyRestricted) { |
| if (UserManager.DISALLOW_CONFIG_WIFI.equals(key)) { |
| Settings.Secure.putIntForUser(mContext.getContentResolver(), |
| Settings.Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 0, |
| userHandle); |
| } else if (UserManager.DISALLOW_USB_FILE_TRANSFER.equals(key)) { |
| UsbManager manager = |
| (UsbManager) mContext.getSystemService(Context.USB_SERVICE); |
| manager.setCurrentFunction("none", false); |
| } else if (UserManager.DISALLOW_SHARE_LOCATION.equals(key)) { |
| Settings.Secure.putIntForUser(mContext.getContentResolver(), |
| Settings.Secure.LOCATION_MODE, Settings.Secure.LOCATION_MODE_OFF, |
| userHandle); |
| Settings.Secure.putStringForUser(mContext.getContentResolver(), |
| Settings.Secure.LOCATION_PROVIDERS_ALLOWED, "", |
| userHandle); |
| } else if (UserManager.DISALLOW_DEBUGGING_FEATURES.equals(key)) { |
| // Only disable adb if changing for primary user, since it is global |
| if (userHandle == UserHandle.USER_OWNER) { |
| Settings.Global.putStringForUser(mContext.getContentResolver(), |
| Settings.Global.ADB_ENABLED, "0", userHandle); |
| } |
| } else if (UserManager.ENSURE_VERIFY_APPS.equals(key)) { |
| Settings.Global.putStringForUser(mContext.getContentResolver(), |
| Settings.Global.PACKAGE_VERIFIER_ENABLE, "1", |
| userHandle); |
| Settings.Global.putStringForUser(mContext.getContentResolver(), |
| Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, "1", |
| userHandle); |
| } else if (UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES.equals(key)) { |
| Settings.Secure.putIntForUser(mContext.getContentResolver(), |
| Settings.Secure.INSTALL_NON_MARKET_APPS, 0, |
| userHandle); |
| } |
| } |
| mUserManager.setUserRestriction(key, enabled, user); |
| if (enabled != alreadyRestricted) { |
| if (UserManager.DISALLOW_SHARE_LOCATION.equals(key)) { |
| // Send out notifications however as some clients may want to reread the |
| // value which actually changed due to a restriction having been applied. |
| final String property = Settings.Secure.SYS_PROP_SETTING_VERSION; |
| long version = SystemProperties.getLong(property, 0) + 1; |
| SystemProperties.set(property, Long.toString(version)); |
| |
| final String name = Settings.Secure.LOCATION_PROVIDERS_ALLOWED; |
| Uri url = Uri.withAppendedPath(Settings.Secure.CONTENT_URI, name); |
| mContext.getContentResolver().notifyChange(url, null, true, userHandle); |
| } |
| } |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| if (!enabled && alreadyRestricted) { |
| try { |
| if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { |
| iAudioService.setMicrophoneMute(false, who.getPackageName()); |
| } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { |
| iAudioService.setMasterMute(false, 0, who.getPackageName()); |
| } |
| } catch (RemoteException re) { |
| Slog.e(LOG_TAG, "Failed to talk to AudioService.", re); |
| } |
| } |
| sendChangedNotification(userHandle); |
| } |
| } |
| |
| @Override |
| public boolean setApplicationHidden(ComponentName who, String packageName, |
| boolean hidden) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| int callingUserId = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| return pm.setApplicationHiddenSettingAsUser(packageName, hidden, callingUserId); |
| } catch (RemoteException re) { |
| // shouldn't happen |
| Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| return false; |
| } |
| } |
| |
| @Override |
| public boolean isApplicationHidden(ComponentName who, String packageName) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| int callingUserId = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| return pm.getApplicationHiddenSettingAsUser(packageName, callingUserId); |
| } catch (RemoteException re) { |
| // shouldn't happen |
| Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| return false; |
| } |
| } |
| |
| @Override |
| public void enableSystemApp(ComponentName who, String packageName) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| // This API can only be called by an active device admin, |
| // so try to retrieve it to check that the caller is one. |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| int userId = UserHandle.getCallingUserId(); |
| long id = Binder.clearCallingIdentity(); |
| |
| try { |
| if (DBG) { |
| Slog.v(LOG_TAG, "installing " + packageName + " for " |
| + userId); |
| } |
| |
| UserManager um = UserManager.get(mContext); |
| UserInfo primaryUser = um.getProfileParent(userId); |
| |
| // Call did not come from a managed profile |
| if (primaryUser == null) { |
| primaryUser = um.getUserInfo(userId); |
| } |
| |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| if (!isSystemApp(pm, packageName, primaryUser.id)) { |
| throw new IllegalArgumentException("Only system apps can be enabled this way."); |
| } |
| |
| // Install the app. |
| pm.installExistingPackageAsUser(packageName, userId); |
| |
| } catch (RemoteException re) { |
| // shouldn't happen |
| Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public int enableSystemAppWithIntent(ComponentName who, Intent intent) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| // This API can only be called by an active device admin, |
| // so try to retrieve it to check that the caller is one. |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| int userId = UserHandle.getCallingUserId(); |
| long id = Binder.clearCallingIdentity(); |
| |
| try { |
| UserManager um = UserManager.get(mContext); |
| UserInfo primaryUser = um.getProfileParent(userId); |
| |
| // Call did not come from a managed profile. |
| if (primaryUser == null) { |
| primaryUser = um.getUserInfo(userId); |
| } |
| |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| List<ResolveInfo> activitiesToEnable = pm.queryIntentActivities(intent, |
| intent.resolveTypeIfNeeded(mContext.getContentResolver()), |
| 0, // no flags |
| primaryUser.id); |
| |
| if (DBG) Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); |
| int numberOfAppsInstalled = 0; |
| if (activitiesToEnable != null) { |
| for (ResolveInfo info : activitiesToEnable) { |
| if (info.activityInfo != null) { |
| String packageName = info.activityInfo.packageName; |
| if (isSystemApp(pm, packageName, primaryUser.id)) { |
| numberOfAppsInstalled++; |
| pm.installExistingPackageAsUser(packageName, userId); |
| } else { |
| Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" |
| + " system app"); |
| } |
| } |
| } |
| } |
| return numberOfAppsInstalled; |
| } catch (RemoteException e) { |
| // shouldn't happen |
| Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); |
| return 0; |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| private boolean isSystemApp(IPackageManager pm, String packageName, int userId) |
| throws RemoteException { |
| ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, |
| userId); |
| if (appInfo == null) { |
| throw new IllegalArgumentException("The application " + packageName + |
| " is not present on this device"); |
| } |
| return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; |
| } |
| |
| @Override |
| public void setAccountManagementDisabled(ComponentName who, String accountType, |
| boolean disabled) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| if (disabled) { |
| ap.accountTypesWithManagementDisabled.add(accountType); |
| } else { |
| ap.accountTypesWithManagementDisabled.remove(accountType); |
| } |
| saveSettingsLocked(UserHandle.getCallingUserId()); |
| } |
| } |
| |
| @Override |
| public String[] getAccountTypesWithManagementDisabled() { |
| return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); |
| } |
| |
| @Override |
| public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { |
| enforceCrossUserPermission(userId); |
| if (!mHasFeature) { |
| return null; |
| } |
| synchronized (this) { |
| DevicePolicyData policy = getUserData(userId); |
| final int N = policy.mAdminList.size(); |
| HashSet<String> resultSet = new HashSet<String>(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| resultSet.addAll(admin.accountTypesWithManagementDisabled); |
| } |
| return resultSet.toArray(new String[resultSet.size()]); |
| } |
| } |
| |
| @Override |
| public void setUninstallBlocked(ComponentName who, String packageName, |
| boolean uninstallBlocked) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userId = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| pm.setBlockUninstallForUser(packageName, uninstallBlocked, userId); |
| } catch (RemoteException re) { |
| // Shouldn't happen. |
| Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public boolean isUninstallBlocked(ComponentName who, String packageName) { |
| // This function should return true if and only if the package is blocked by |
| // setUninstallBlocked(). It should still return false for other cases of blocks, such as |
| // when the package is a system app, or when it is an active device admin. |
| final int userId = UserHandle.getCallingUserId(); |
| |
| synchronized (this) { |
| if (who != null) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| } |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| return pm.getBlockUninstallForUser(packageName, userId); |
| } catch (RemoteException re) { |
| // Shouldn't happen. |
| Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| if (admin.disableCallerId != disabled) { |
| admin.disableCallerId = disabled; |
| saveSettingsLocked(UserHandle.getCallingUserId()); |
| } |
| } |
| } |
| |
| @Override |
| public boolean getCrossProfileCallerIdDisabled(ComponentName who) { |
| if (!mHasFeature) { |
| return false; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| return admin.disableCallerId; |
| } |
| } |
| |
| @Override |
| public boolean getCrossProfileCallerIdDisabledForUser(int userId) { |
| // TODO: Should there be a check to make sure this relationship is within a profile group? |
| //enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); |
| synchronized (this) { |
| ActiveAdmin admin = getProfileOwnerAdmin(userId); |
| return (admin != null) ? admin.disableCallerId : false; |
| } |
| } |
| |
| @Override |
| public void startManagedQuickContact(String actualLookupKey, long actualContactId, |
| Intent originalIntent) { |
| final Intent intent = QuickContact.rebuildManagedQuickContactsIntent( |
| actualLookupKey, actualContactId, originalIntent); |
| final int callingUserId = UserHandle.getCallingUserId(); |
| |
| final long ident = Binder.clearCallingIdentity(); |
| try { |
| synchronized (this) { |
| final int managedUserId = getManagedUserId(callingUserId); |
| if (managedUserId < 0) { |
| return; |
| } |
| if (getCrossProfileCallerIdDisabledForUser(managedUserId)) { |
| if (VERBOSE_LOG) { |
| Log.v(LOG_TAG, |
| "Cross-profile contacts access disabled for user " + managedUserId); |
| } |
| return; |
| } |
| ContactsInternal.startQuickContactWithErrorToastForUser( |
| mContext, intent, new UserHandle(managedUserId)); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * @return the user ID of the managed user that is linked to the current user, if any. |
| * Otherwise -1. |
| */ |
| public int getManagedUserId(int callingUserId) { |
| if (VERBOSE_LOG) { |
| Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); |
| } |
| |
| for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { |
| if (ui.id == callingUserId || !ui.isManagedProfile()) { |
| continue; // Caller user self, or not a managed profile. Skip. |
| } |
| if (VERBOSE_LOG) { |
| Log.v(LOG_TAG, "Managed user=" + ui.id); |
| } |
| return ui.id; |
| } |
| if (VERBOSE_LOG) { |
| Log.v(LOG_TAG, "Managed user not found."); |
| } |
| return -1; |
| } |
| |
| @Override |
| public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| if (admin.disableBluetoothContactSharing != disabled) { |
| admin.disableBluetoothContactSharing = disabled; |
| saveSettingsLocked(UserHandle.getCallingUserId()); |
| } |
| } |
| } |
| |
| @Override |
| public boolean getBluetoothContactSharingDisabled(ComponentName who) { |
| if (!mHasFeature) { |
| return false; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| return admin.disableBluetoothContactSharing; |
| } |
| } |
| |
| @Override |
| public boolean getBluetoothContactSharingDisabledForUser(int userId) { |
| // TODO: Should there be a check to make sure this relationship is |
| // within a profile group? |
| // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); |
| synchronized (this) { |
| ActiveAdmin admin = getProfileOwnerAdmin(userId); |
| return (admin != null) ? admin.disableBluetoothContactSharing : false; |
| } |
| } |
| |
| /** |
| * Sets which packages may enter lock task mode. |
| * |
| * This function can only be called by the device owner. |
| * @param packages The list of packages allowed to enter lock task mode. |
| */ |
| public void setLockTaskPackages(ComponentName who, String[] packages) |
| throws SecurityException { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| |
| int userHandle = Binder.getCallingUserHandle().getIdentifier(); |
| setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); |
| } |
| } |
| |
| private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { |
| DevicePolicyData policy = getUserData(userHandle); |
| policy.mLockTaskPackages = packages; |
| |
| // Store the settings persistently. |
| saveSettingsLocked(userHandle); |
| updateLockTaskPackagesLocked(packages, userHandle); |
| } |
| |
| /** |
| * This function returns the list of components allowed to start the task lock mode. |
| */ |
| public String[] getLockTaskPackages(ComponentName who) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| int userHandle = Binder.getCallingUserHandle().getIdentifier(); |
| final List<String> packages = getLockTaskPackagesLocked(userHandle); |
| return packages.toArray(new String[packages.size()]); |
| } |
| } |
| |
| private List<String> getLockTaskPackagesLocked(int userHandle) { |
| final DevicePolicyData policy = getUserData(userHandle); |
| return policy.mLockTaskPackages; |
| } |
| |
| /** |
| * This function lets the caller know whether the given package is allowed to start the |
| * lock task mode. |
| * @param pkg The package to check |
| */ |
| public boolean isLockTaskPermitted(String pkg) { |
| // Get current user's devicepolicy |
| int uid = Binder.getCallingUid(); |
| int userHandle = UserHandle.getUserId(uid); |
| DevicePolicyData policy = getUserData(userHandle); |
| synchronized (this) { |
| for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { |
| String lockTaskPackage = policy.mLockTaskPackages.get(i); |
| |
| // If the given package equals one of the packages stored our list, |
| // we allow this package to start lock task mode. |
| if (lockTaskPackage.equals(pkg)) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { |
| if (Binder.getCallingUid() != Process.SYSTEM_UID) { |
| throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); |
| } |
| synchronized (this) { |
| final DevicePolicyData policy = getUserData(userHandle); |
| Bundle adminExtras = new Bundle(); |
| adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); |
| for (ActiveAdmin admin : policy.mAdminList) { |
| boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); |
| boolean ownsProfile = (getProfileOwner(userHandle) != null |
| && getProfileOwner(userHandle).equals(admin.info.getPackageName())); |
| if (ownsDevice || ownsProfile) { |
| if (isEnabled) { |
| sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, |
| adminExtras, null); |
| } else { |
| sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); |
| } |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void setGlobalSetting(ComponentName who, String setting, String value) { |
| final ContentResolver contentResolver = mContext.getContentResolver(); |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| |
| if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { |
| // BLUETOOTH_ON and WIFI_ON used to be supported but not any more. We do not want to |
| // throw a SecurityException not to break apps. |
| if (!Settings.Global.BLUETOOTH_ON.equals(setting) |
| && !Settings.Global.WIFI_ON.equals(setting)) { |
| throw new SecurityException(String.format( |
| "Permission denial: device owners cannot update %1$s", setting)); |
| } |
| } |
| |
| if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { |
| // ignore if it contradicts an existing policy |
| long timeMs = getMaximumTimeToLock(who, UserHandle.getCallingUserId()); |
| if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { |
| return; |
| } |
| } |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| Settings.Global.putString(contentResolver, setting, value); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public void setSecureSetting(ComponentName who, String setting, String value) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| int callingUserId = UserHandle.getCallingUserId(); |
| final ContentResolver contentResolver = mContext.getContentResolver(); |
| |
| synchronized (this) { |
| ActiveAdmin activeAdmin = |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| if (isDeviceOwner(activeAdmin.info.getPackageName())) { |
| if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { |
| throw new SecurityException(String.format( |
| "Permission denial: Device owners cannot update %1$s", setting)); |
| } |
| } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { |
| throw new SecurityException(String.format( |
| "Permission denial: Profile owners cannot update %1$s", setting)); |
| } |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| Settings.Secure.putStringForUser(contentResolver, setting, value, callingUserId); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public void setMasterVolumeMuted(ComponentName who, boolean on) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| IAudioService iAudioService = IAudioService.Stub.asInterface( |
| ServiceManager.getService(Context.AUDIO_SERVICE)); |
| try { |
| iAudioService.setMasterMute(on, 0, who.getPackageName()); |
| } catch (RemoteException re) { |
| Slog.e(LOG_TAG, "Failed to setMasterMute", re); |
| } |
| } |
| } |
| |
| @Override |
| public boolean isMasterVolumeMuted(ComponentName who) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| AudioManager audioManager = |
| (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); |
| return audioManager.isMasterMute(); |
| } |
| } |
| |
| @Override |
| public void setUserIcon(ComponentName who, Bitmap icon) { |
| synchronized (this) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| int userId = UserHandle.getCallingUserId(); |
| long id = Binder.clearCallingIdentity(); |
| try { |
| mUserManager.setUserIcon(userId, icon); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public void sendDeviceInitializerStatus(int statusCode, String description) { |
| synchronized (this) { |
| String packageName = getDeviceInitializer(); |
| if (packageName == null) { |
| throw new SecurityException("No device initializers"); |
| } |
| UserHandle callingUser = Binder.getCallingUserHandle(); |
| int deviceInitializerUid = -1; |
| try { |
| deviceInitializerUid = mContext.getPackageManager().getPackageUid( |
| packageName, callingUser.getIdentifier()); |
| } catch (NameNotFoundException e) { |
| throw new SecurityException(e); |
| } |
| if (Binder.getCallingUid() != deviceInitializerUid) { |
| throw new SecurityException("Caller must be a device initializer"); |
| } |
| long id = Binder.clearCallingIdentity(); |
| try { |
| Intent intent = new Intent( |
| DevicePolicyManager.ACTION_SEND_DEVICE_INITIALIZER_STATUS); |
| intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_INITIALIZER_STATUS_CODE, |
| statusCode); |
| intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_INITIALIZER_STATUS_DESCRIPTION, |
| description); |
| mContext.sendBroadcastAsUser(intent, callingUser, |
| android.Manifest.permission.RECEIVE_DEVICE_INITIALIZER_STATUS); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| } |
| final int userId = UserHandle.getCallingUserId(); |
| LockPatternUtils utils = new LockPatternUtils(mContext); |
| |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| // disallow disabling the keyguard if a password is currently set |
| if (disabled && utils.isSecure(userId)) { |
| return false; |
| } |
| utils.setLockScreenDisabled(disabled, userId); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { |
| int userId = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| DevicePolicyData policy = getUserData(userId); |
| if (policy.mStatusBarDisabled != disabled) { |
| if (!setStatusBarDisabledInternal(disabled, userId)) { |
| return false; |
| } |
| policy.mStatusBarDisabled = disabled; |
| saveSettingsLocked(userId); |
| } |
| } |
| return true; |
| } |
| |
| private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( |
| ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); |
| if (statusBarService != null) { |
| int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; |
| int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; |
| statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); |
| statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); |
| return true; |
| } |
| } catch (RemoteException e) { |
| Slog.e(LOG_TAG, "Failed to disable the status bar", e); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| return false; |
| } |
| |
| /** |
| * We need to update the internal state of whether a user has completed setup once. After |
| * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes |
| * as we don't trust any apps that might try to reset it. |
| * <p> |
| * Unfortunately, we don't know which user's setup state was changed, so we write all of |
| * them. |
| */ |
| void updateUserSetupComplete() { |
| List<UserInfo> users = mUserManager.getUsers(true); |
| ContentResolver resolver = mContext.getContentResolver(); |
| final int N = users.size(); |
| for (int i = 0; i < N; i++) { |
| int userHandle = users.get(i).id; |
| if (Settings.Secure.getIntForUser(resolver, Settings.Secure.USER_SETUP_COMPLETE, 0, |
| userHandle) != 0) { |
| DevicePolicyData policy = getUserData(userHandle); |
| if (!policy.mUserSetupComplete) { |
| policy.mUserSetupComplete = true; |
| synchronized (this) { |
| // Clear the preferred setup activity. |
| policy.mPreferredSetupActivity = null; |
| updatePreferredSetupActivityLocked(userHandle); |
| // The DeviceInitializer was whitelisted but now should be removed. |
| removeDeviceInitializerFromLockTaskPackages(userHandle); |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| } |
| } |
| |
| private void addDeviceInitializerToLockTaskPackagesLocked(int userHandle) { |
| if (hasUserSetupCompleted(userHandle)) { |
| return; |
| } |
| |
| final String deviceInitializerPackage = getDeviceInitializer(); |
| if (deviceInitializerPackage == null) { |
| return; |
| } |
| |
| final List<String> packages = getLockTaskPackagesLocked(userHandle); |
| if (!packages.contains(deviceInitializerPackage)) { |
| packages.add(deviceInitializerPackage); |
| setLockTaskPackagesLocked(userHandle, packages); |
| } |
| } |
| |
| private void removeDeviceInitializerFromLockTaskPackages(int userHandle) { |
| final String deviceInitializerPackage = getDeviceInitializer(); |
| if (deviceInitializerPackage == null) { |
| return; |
| } |
| |
| List<String> packages = getLockTaskPackagesLocked(userHandle); |
| if (packages.remove(deviceInitializerPackage)) { |
| setLockTaskPackagesLocked(userHandle, packages); |
| } |
| } |
| |
| private class SetupContentObserver extends ContentObserver { |
| |
| private final Uri mUserSetupComplete = Settings.Secure.getUriFor( |
| Settings.Secure.USER_SETUP_COMPLETE); |
| |
| public SetupContentObserver(Handler handler) { |
| super(handler); |
| } |
| |
| void register(ContentResolver resolver) { |
| resolver.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); |
| } |
| |
| @Override |
| public void onChange(boolean selfChange, Uri uri) { |
| if (mUserSetupComplete.equals(uri)) { |
| updateUserSetupComplete(); |
| } |
| } |
| } |
| |
| private final class LocalService extends DevicePolicyManagerInternal { |
| private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; |
| |
| @Override |
| public List<String> getCrossProfileWidgetProviders(int profileId) { |
| synchronized (DevicePolicyManagerService.this) { |
| if (mDeviceOwner == null) { |
| return Collections.emptyList(); |
| } |
| ComponentName ownerComponent = mDeviceOwner.getProfileOwnerComponent(profileId); |
| if (ownerComponent == null) { |
| return Collections.emptyList(); |
| } |
| |
| DevicePolicyData policy = getUserDataUnchecked(profileId); |
| ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); |
| |
| if (admin == null || admin.crossProfileWidgetProviders == null |
| || admin.crossProfileWidgetProviders.isEmpty()) { |
| return Collections.emptyList(); |
| } |
| |
| return admin.crossProfileWidgetProviders; |
| } |
| } |
| |
| @Override |
| public void addOnCrossProfileWidgetProvidersChangeListener( |
| OnCrossProfileWidgetProvidersChangeListener listener) { |
| synchronized (DevicePolicyManagerService.this) { |
| if (mWidgetProviderListeners == null) { |
| mWidgetProviderListeners = new ArrayList<>(); |
| } |
| if (!mWidgetProviderListeners.contains(listener)) { |
| mWidgetProviderListeners.add(listener); |
| } |
| } |
| } |
| |
| @Override |
| public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { |
| final int userId = UserHandle.getUserId(uid); |
| synchronized(DevicePolicyManagerService.this) { |
| return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; |
| } |
| } |
| |
| private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { |
| final List<OnCrossProfileWidgetProvidersChangeListener> listeners; |
| synchronized (DevicePolicyManagerService.this) { |
| listeners = new ArrayList<>(mWidgetProviderListeners); |
| } |
| final int listenerCount = listeners.size(); |
| for (int i = 0; i < listenerCount; i++) { |
| OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); |
| listener.onCrossProfileWidgetProvidersChanged(userId, packages); |
| } |
| } |
| } |
| |
| /** |
| * Returns true if specified admin is allowed to limit passwords and has a |
| * {@code passwordQuality} of at least {@code minPasswordQuality} |
| */ |
| private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { |
| if (admin.passwordQuality < minPasswordQuality) { |
| return false; |
| } |
| return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| } |
| |
| @Override |
| public void setSystemUpdatePolicy(ComponentName who, PersistableBundle policy) { |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| if (policy == null) { |
| mDeviceOwner.clearSystemUpdatePolicy(); |
| } else { |
| mDeviceOwner.setSystemUpdatePolicy(policy); |
| } |
| mDeviceOwner.writeOwnerFile(); |
| } |
| mContext.sendBroadcastAsUser( |
| new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), |
| UserHandle.OWNER); |
| } |
| |
| @Override |
| public PersistableBundle getSystemUpdatePolicy() { |
| synchronized (this) { |
| return mDeviceOwner.getSystemUpdatePolicy(); |
| } |
| } |
| |
| /** |
| * Checks if the caller of the method is the device owner app or device initialization app. |
| * |
| * @param callerUid UID of the caller. |
| * @return true if the caller is the device owner app or device initializer. |
| */ |
| private boolean isCallerDeviceOwnerOrInitializer(int callerUid) { |
| String[] pkgs = mContext.getPackageManager().getPackagesForUid(callerUid); |
| for (String pkg : pkgs) { |
| if (isDeviceOwner(pkg) || isDeviceInitializer(pkg)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public void notifyPendingSystemUpdate(long updateReceivedTime) { |
| mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, |
| "Only the system update service can broadcast update information"); |
| |
| if (UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { |
| Slog.w(LOG_TAG, "Only the system update service in the primary user" + |
| "can broadcast update information."); |
| return; |
| } |
| Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); |
| intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, |
| updateReceivedTime); |
| |
| synchronized (this) { |
| String deviceOwnerPackage = getDeviceOwner(); |
| if (deviceOwnerPackage == null) { |
| return; |
| } |
| |
| try { |
| ActivityInfo[] receivers = mContext.getPackageManager().getPackageInfo( |
| deviceOwnerPackage, PackageManager.GET_RECEIVERS).receivers; |
| if (receivers != null) { |
| for (int i = 0; i < receivers.length; i++) { |
| if (permission.BIND_DEVICE_ADMIN.equals(receivers[i].permission)) { |
| intent.setComponent(new ComponentName(deviceOwnerPackage, |
| receivers[i].name)); |
| mContext.sendBroadcastAsUser(intent, UserHandle.OWNER); |
| } |
| } |
| } |
| } catch (NameNotFoundException e) { |
| Log.e(LOG_TAG, "Cannot find device owner package", e); |
| } |
| } |
| } |
| |
| @Override |
| public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { |
| int userId = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| DevicePolicyData userPolicy = getUserData(userId); |
| if (userPolicy.mPermissionPolicy != policy) { |
| userPolicy.mPermissionPolicy = policy; |
| saveSettingsLocked(userId); |
| } |
| } |
| } |
| |
| @Override |
| public int getPermissionPolicy(ComponentName admin) throws RemoteException { |
| int userId = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| DevicePolicyData userPolicy = getUserData(userId); |
| return userPolicy.mPermissionPolicy; |
| } |
| } |
| |
| @Override |
| public boolean setPermissionGranted(ComponentName admin, String packageName, |
| String permission, boolean granted) throws RemoteException { |
| UserHandle user = Binder.getCallingUserHandle(); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| if (granted) { |
| mContext.getPackageManager().grantPermission(packageName, permission, user); |
| } else { |
| mContext.getPackageManager().revokePermission(packageName, permission, user); |
| } |
| return true; |
| } catch (SecurityException se) { |
| return false; |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| } |