| /* |
| * 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.CODE_ACCOUNTS_NOT_EMPTY; |
| import static android.app.admin.DevicePolicyManager.CODE_ADD_MANAGED_PROFILE_DISALLOWED; |
| import static android.app.admin.DevicePolicyManager.CODE_CANNOT_ADD_MANAGED_PROFILE; |
| import static android.app.admin.DevicePolicyManager.CODE_DEVICE_ADMIN_NOT_SUPPORTED; |
| import static android.app.admin.DevicePolicyManager.CODE_HAS_DEVICE_OWNER; |
| import static android.app.admin.DevicePolicyManager.CODE_HAS_PAIRED; |
| import static android.app.admin.DevicePolicyManager.CODE_MANAGED_USERS_NOT_SUPPORTED; |
| import static android.app.admin.DevicePolicyManager.CODE_NONSYSTEM_USER_EXISTS; |
| import static android.app.admin.DevicePolicyManager.CODE_NOT_SYSTEM_USER; |
| import static android.app.admin.DevicePolicyManager.CODE_NOT_SYSTEM_USER_SPLIT; |
| import static android.app.admin.DevicePolicyManager.CODE_OK; |
| import static android.app.admin.DevicePolicyManager.CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; |
| import static android.app.admin.DevicePolicyManager.CODE_SYSTEM_USER; |
| import static android.app.admin.DevicePolicyManager.CODE_USER_HAS_PROFILE_OWNER; |
| import static android.app.admin.DevicePolicyManager.CODE_USER_NOT_RUNNING; |
| import static android.app.admin.DevicePolicyManager.CODE_USER_SETUP_COMPLETED; |
| 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.MATCH_UNINSTALLED_PACKAGES; |
| |
| import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.PROVISIONING_ENTRY_POINT_ADB; |
| import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; |
| import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; |
| import static org.xmlpull.v1.XmlPullParser.END_TAG; |
| import static org.xmlpull.v1.XmlPullParser.TEXT; |
| |
| import android.Manifest.permission; |
| import android.accessibilityservice.AccessibilityServiceInfo; |
| import android.accounts.Account; |
| import android.accounts.AccountManager; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.annotation.UserIdInt; |
| import android.app.Activity; |
| import android.app.ActivityManager; |
| import android.app.AlarmManager; |
| import android.app.AppGlobals; |
| import android.app.IActivityManager; |
| import android.app.IApplicationThread; |
| import android.app.IServiceConnection; |
| 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.admin.NetworkEvent; |
| import android.app.admin.PasswordMetrics; |
| import android.app.admin.SystemUpdateInfo; |
| import android.app.admin.SecurityLog; |
| import android.app.admin.SecurityLog.SecurityEvent; |
| import android.app.admin.SystemUpdatePolicy; |
| import android.app.backup.IBackupManager; |
| import android.app.trust.TrustManager; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| 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.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.pm.PackageManagerInternal; |
| import android.content.pm.ParceledListSlice; |
| 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.graphics.Color; |
| import android.media.AudioManager; |
| import android.media.IAudioService; |
| import android.net.ConnectivityManager; |
| import android.net.IIpConnectivityMetrics; |
| import android.net.ProxyInfo; |
| import android.net.Uri; |
| import android.net.metrics.IpConnectivityLog; |
| import android.net.wifi.WifiInfo; |
| import android.net.wifi.WifiManager; |
| import android.os.AsyncTask; |
| import android.os.Binder; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.os.Environment; |
| import android.os.FileUtils; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.ParcelFileDescriptor; |
| 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.os.UserManagerInternal; |
| import android.os.storage.StorageManager; |
| 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.service.persistentdata.PersistentDataBlockManager; |
| import android.telephony.TelephonyManager; |
| import android.text.TextUtils; |
| import android.util.ArrayMap; |
| import android.util.ArraySet; |
| import android.util.Log; |
| import android.util.Pair; |
| import android.util.Slog; |
| import android.util.SparseArray; |
| import android.util.Xml; |
| import android.view.IWindowManager; |
| import android.view.accessibility.AccessibilityManager; |
| import android.view.accessibility.IAccessibilityManager; |
| import android.view.inputmethod.InputMethodInfo; |
| import android.view.inputmethod.InputMethodManager; |
| |
| import com.android.internal.R; |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.logging.MetricsLogger; |
| import com.android.internal.statusbar.IStatusBarService; |
| import com.android.internal.util.FastXmlSerializer; |
| import com.android.internal.util.JournaledFile; |
| import com.android.internal.util.ParcelableString; |
| 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 com.android.server.pm.UserRestrictionsUtils; |
| import com.google.android.collect.Sets; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| 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.nio.charset.StandardCharsets; |
| 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.Collection; |
| import java.util.Collections; |
| import java.util.Date; |
| import java.util.List; |
| import java.util.Map.Entry; |
| import java.util.Set; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| /** |
| * Implementation of the device policy APIs. |
| */ |
| public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { |
| |
| private static final String LOG_TAG = "DevicePolicyManager"; |
| |
| 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_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; |
| |
| 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 ATTR_NAME = "name"; |
| |
| private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = |
| "do-not-ask-credentials-on-boot"; |
| |
| private static final String TAG_AFFILIATION_ID = "affiliation-id"; |
| |
| private static final String TAG_LAST_SECURITY_LOG_RETRIEVAL = "last-security-log-retrieval"; |
| |
| private static final String TAG_LAST_BUG_REPORT_REQUEST = "last-bug-report-request"; |
| |
| private static final String TAG_LAST_NETWORK_LOG_RETRIEVAL = "last-network-log-retrieval"; |
| |
| private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; |
| |
| private static final String ATTR_ID = "id"; |
| |
| private static final String ATTR_VALUE = "value"; |
| |
| private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; |
| |
| private static final int REQUEST_EXPIRE_PASSWORD = 5571; |
| |
| private static final long MS_PER_DAY = TimeUnit.DAYS.toMillis(1); |
| |
| private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms |
| |
| private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION |
| = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; |
| |
| private static final int MONITORING_CERT_NOTIFICATION_ID = R.plurals.ssl_ca_cert_warning; |
| private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; |
| private static final int NETWORK_LOGGING_NOTIFICATION_ID = 1002; |
| |
| private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; |
| private static final String ATTR_SETUP_COMPLETE = "setup-complete"; |
| private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; |
| private static final String ATTR_PERMISSION_POLICY = "permission-policy"; |
| private static final String ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED = |
| "device-provisioning-config-applied"; |
| private static final String ATTR_DEVICE_PAIRED = "device-paired"; |
| private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; |
| private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER |
| = "application-restrictions-manager"; |
| |
| /** |
| * System property whose value is either "true" or "false", indicating whether |
| * device owner is present. |
| */ |
| private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; |
| |
| 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> SECURE_SETTINGS_WHITELIST; |
| private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; |
| private static final Set<String> GLOBAL_SETTINGS_WHITELIST; |
| private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; |
| static { |
| SECURE_SETTINGS_WHITELIST = new ArraySet<>(); |
| 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 ArraySet<>(); |
| SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); |
| SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); |
| |
| GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); |
| 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.USB_MASS_STORAGE_ENABLED); |
| GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); |
| GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); |
| GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); |
| |
| GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); |
| GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); |
| GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); |
| GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); |
| GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); |
| GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); |
| } |
| |
| /** |
| * Keyguard features that when set on a managed profile that doesn't have its own challenge will |
| * affect the profile's parent user. These can also be set on the managed profile's parent DPM |
| * instance. |
| */ |
| private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = |
| DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS |
| | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; |
| |
| /** |
| * Keyguard features that when set on a profile affect the profile content or challenge only. |
| * These cannot be set on the managed profile's parent DPM instance |
| */ |
| private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = |
| DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; |
| |
| /** Keyguard features that are allowed to be set on a managed profile */ |
| private static final int PROFILE_KEYGUARD_FEATURES = |
| PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; |
| |
| private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; |
| |
| /** |
| * Minimum timeout in milliseconds after which unlocking with weak auth times out, |
| * i.e. the user has to use a strong authentication method like password, PIN or pattern. |
| */ |
| private static final long MINIMUM_STRONG_AUTH_TIMEOUT_MS = TimeUnit.HOURS.toMillis(1); |
| |
| /** |
| * Strings logged with {@link |
| * com.android.internal.logging.nano.MetricsProto.MetricsEvent#PROVISIONING_ENTRY_POINT_ADB}. |
| */ |
| private static final String LOG_TAG_PROFILE_OWNER = "profile-owner"; |
| private static final String LOG_TAG_DEVICE_OWNER = "device-owner"; |
| |
| final Context mContext; |
| final Injector mInjector; |
| final IPackageManager mIPackageManager; |
| final UserManager mUserManager; |
| final UserManagerInternal mUserManagerInternal; |
| final TelephonyManager mTelephonyManager; |
| private final LockPatternUtils mLockPatternUtils; |
| |
| /** |
| * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p |
| * is requested for user u. |
| */ |
| private final Set<Pair<String, Integer>> mPackagesToRemove = |
| new ArraySet<Pair<String, Integer>>(); |
| |
| final LocalService mLocalService; |
| |
| // Stores and loads state on device and profile owners. |
| @VisibleForTesting |
| final Owners mOwners; |
| |
| private final Binder mToken = new Binder(); |
| |
| /** |
| * Whether or not device admin feature is supported. If it isn't return defaults for all |
| * public methods. |
| */ |
| boolean mHasFeature; |
| |
| /** |
| * Whether or not this device is a watch. |
| */ |
| boolean mIsWatch; |
| |
| private final SecurityLogMonitor mSecurityLogMonitor; |
| private NetworkLogger mNetworkLogger; |
| |
| private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); |
| private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); |
| |
| private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { |
| @Override |
| public void run() { |
| if(mRemoteBugreportServiceIsActive.get()) { |
| onBugreportFailed(); |
| } |
| } |
| }; |
| |
| private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) |
| && mRemoteBugreportServiceIsActive.get()) { |
| onBugreportFinished(intent); |
| } |
| } |
| }; |
| |
| private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| mInjector.getNotificationManager().cancel(LOG_TAG, |
| RemoteBugreportUtils.NOTIFICATION_ID); |
| if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { |
| onBugreportSharingAccepted(); |
| } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { |
| onBugreportSharingDeclined(); |
| } |
| mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); |
| } |
| }; |
| |
| 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) { |
| mService.systemReady(phase); |
| } |
| |
| @Override |
| public void onStartUser(int userHandle) { |
| mService.onStartUser(userHandle); |
| } |
| } |
| |
| public static class DevicePolicyData { |
| @NonNull PasswordMetrics mActivePasswordMetrics = new PasswordMetrics(); |
| int mFailedPasswordAttempts = 0; |
| |
| int mUserHandle; |
| int mPasswordOwner = -1; |
| long mLastMaximumTimeToLock = -1; |
| boolean mUserSetupComplete = false; |
| boolean mPaired = false; |
| int mUserProvisioningState; |
| int mPermissionPolicy; |
| |
| boolean mDeviceProvisioningConfigApplied = false; |
| |
| final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); |
| final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); |
| final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); |
| |
| final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); |
| |
| // 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; |
| |
| String mApplicationRestrictionsManagingPackage; |
| |
| Set<String> mAffiliationIds = new ArraySet<>(); |
| |
| long mLastSecurityLogRetrievalTime = -1; |
| |
| long mLastBugReportRequestTime = -1; |
| |
| long mLastNetworkLogsRetrievalTime = -1; |
| |
| // Used for initialization of users created by createAndManageUsers. |
| boolean mAdminBroadcastPending = false; |
| PersistableBundle mInitBundle = null; |
| |
| public DevicePolicyData(int userHandle) { |
| mUserHandle = userHandle; |
| } |
| } |
| |
| final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); |
| |
| final Handler mHandler; |
| |
| 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()); |
| |
| /* |
| * Network logging would ideally be started in setDeviceOwnerSystemPropertyLocked(), |
| * however it's too early in the boot process to register with IIpConnectivityMetrics |
| * to listen for events. |
| */ |
| if (Intent.ACTION_USER_STARTED.equals(action) |
| && userHandle == mOwners.getDeviceOwnerUserId()) { |
| synchronized (DevicePolicyManagerService.this) { |
| if (isNetworkLoggingEnabledInternalLocked()) { |
| setNetworkLoggingActiveInternal(true); |
| } |
| } |
| } |
| if (Intent.ACTION_BOOT_COMPLETED.equals(action) |
| && userHandle == mOwners.getDeviceOwnerUserId() |
| && getDeviceOwnerRemoteBugreportUri() != null) { |
| IntentFilter filterConsent = new IntentFilter(); |
| filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); |
| filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); |
| mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); |
| mInjector.getNotificationManager().notifyAsUser(LOG_TAG, |
| RemoteBugreportUtils.NOTIFICATION_ID, |
| RemoteBugreportUtils.buildNotification(mContext, |
| DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), |
| UserHandle.ALL); |
| } |
| if (Intent.ACTION_BOOT_COMPLETED.equals(action) |
| || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { |
| if (VERBOSE_LOG) { |
| Slog.v(LOG_TAG, "Sending password expiration notifications for action " |
| + action + " for user " + userHandle); |
| } |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| handlePasswordExpirationNotification(userHandle); |
| } |
| }); |
| } |
| if (Intent.ACTION_USER_UNLOCKED.equals(action) |
| || Intent.ACTION_USER_STARTED.equals(action) |
| || KeyChain.ACTION_TRUST_STORE_CHANGED.equals(action)) { |
| if (!StorageManager.inCryptKeeperBounce()) { |
| new MonitoringCertNotificationTask().execute( |
| intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL)); |
| } |
| } |
| if (Intent.ACTION_USER_ADDED.equals(action)) { |
| sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_ADDED, userHandle); |
| synchronized (DevicePolicyManagerService.this) { |
| // It might take a while for the user to become affiliated. Make security |
| // and network logging unavailable in the meantime. |
| maybePauseDeviceWideLoggingLocked(); |
| } |
| } else if (Intent.ACTION_USER_REMOVED.equals(action)) { |
| sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_REMOVED, userHandle); |
| synchronized (DevicePolicyManagerService.this) { |
| // Check whether the user is affiliated, *before* removing its data. |
| boolean isRemovedUserAffiliated = isUserAffiliatedWithDeviceLocked(userHandle); |
| removeUserData(userHandle); |
| if (!isRemovedUserAffiliated) { |
| // We discard the logs when unaffiliated users are deleted (so that the |
| // device owner cannot retrieve data about that user after it's gone). |
| discardDeviceWideLogsLocked(); |
| // Resume logging if all remaining users are affiliated. |
| maybeResumeDeviceWideLoggingLocked(); |
| } |
| } |
| } else if (Intent.ACTION_USER_STARTED.equals(action)) { |
| synchronized (DevicePolicyManagerService.this) { |
| // Reset the policy data |
| mUserData.remove(userHandle); |
| sendAdminEnabledBroadcastLocked(userHandle); |
| } |
| handlePackagesChanged(null /* check all admins */, userHandle); |
| } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { |
| 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); |
| } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { |
| clearWipeProfileNotification(); |
| } |
| } |
| |
| private void sendUserAddedOrRemovedCommand(String action, int userHandle) { |
| synchronized (DevicePolicyManagerService.this) { |
| ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); |
| if (deviceOwner != null) { |
| Bundle extras = new Bundle(); |
| extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); |
| sendAdminCommandLocked(deviceOwner, action, extras, null); |
| } |
| } |
| } |
| }; |
| |
| static class ActiveAdmin { |
| private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; |
| private static final String TAG_TEST_ONLY_ADMIN = "test-only-admin"; |
| 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_CONTACTS_SEARCH = "disable-contacts-search"; |
| 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_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; |
| private static final String TAG_IS_NETWORK_LOGGING_ENABLED = "is_network_logging_enabled"; |
| 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_STRONG_AUTH_UNLOCK_TIMEOUT = "strong-auth-unlock-timeout"; |
| 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"; |
| private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; |
| private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; |
| private static final String TAG_DEFAULT_ENABLED_USER_RESTRICTIONS = |
| "default-enabled-user-restrictions"; |
| private static final String TAG_RESTRICTION = "restriction"; |
| private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; |
| private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; |
| private static final String TAG_PARENT_ADMIN = "parent-admin"; |
| private static final String TAG_ORGANIZATION_COLOR = "organization-color"; |
| private static final String TAG_ORGANIZATION_NAME = "organization-name"; |
| private static final String ATTR_LAST_NETWORK_LOGGING_NOTIFICATION = "last-notification"; |
| private static final String ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS = "num-notifications"; |
| |
| final DeviceAdminInfo info; |
| |
| |
| static final int DEF_PASSWORD_HISTORY_LENGTH = 0; |
| int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; |
| |
| static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; |
| static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; |
| static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; |
| static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; |
| static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; |
| static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; |
| static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; |
| @NonNull |
| PasswordMetrics minimumPasswordMetrics = new PasswordMetrics( |
| DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, DEF_MINIMUM_PASSWORD_LENGTH, |
| DEF_MINIMUM_PASSWORD_LETTERS, DEF_MINIMUM_PASSWORD_UPPER_CASE, |
| DEF_MINIMUM_PASSWORD_LOWER_CASE, DEF_MINIMUM_PASSWORD_NUMERIC, |
| DEF_MINIMUM_PASSWORD_SYMBOLS, DEF_MINIMUM_PASSWORD_NON_LETTER); |
| |
| static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; |
| long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; |
| |
| long strongAuthUnlockTimeout = 0; // admin doesn't participate by default |
| |
| 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 testOnlyAdmin = false; |
| boolean disableCamera = false; |
| boolean disableCallerId = false; |
| boolean disableContactsSearch = 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. |
| boolean forceEphemeralUsers = false; // Can only be set by a device owner. |
| boolean isNetworkLoggingEnabled = false; // Can only be set by a device owner. |
| |
| // one notification after enabling + 3 more after reboots |
| static final int DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN = 4; |
| int numNetworkLoggingNotifications = 0; |
| long lastNetworkLoggingNotificationTimeMs = 0; // Time in milliseconds since epoch |
| |
| ActiveAdmin parentAdmin; |
| final boolean isParent; |
| |
| static class TrustAgentInfo { |
| public PersistableBundle options; |
| TrustAgentInfo(PersistableBundle bundle) { |
| options = bundle; |
| } |
| } |
| |
| final Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); |
| |
| // 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; |
| |
| // List of package names to keep cached. |
| List<String> keepUninstalledPackages; |
| |
| // TODO: review implementation decisions with frameworks team |
| boolean specifiesGlobalProxy = false; |
| String globalProxySpec = null; |
| String globalProxyExclusionList = null; |
| |
| ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); |
| |
| List<String> crossProfileWidgetProviders; |
| |
| Bundle userRestrictions; |
| |
| // User restrictions that have already been enabled by default for this admin (either when |
| // setting the device or profile owner, or during a system update if one of those "enabled |
| // by default" restrictions is newly added). |
| final Set<String> defaultEnabledRestrictionsAlreadySet = new ArraySet<>(); |
| |
| // Support text provided by the admin to display to the user. |
| CharSequence shortSupportMessage = null; |
| CharSequence longSupportMessage = null; |
| |
| // Background color of confirm credentials screen. Default: teal. |
| static final int DEF_ORGANIZATION_COLOR = Color.parseColor("#00796B"); |
| int organizationColor = DEF_ORGANIZATION_COLOR; |
| |
| // Default title of confirm credentials screen |
| String organizationName = null; |
| |
| ActiveAdmin(DeviceAdminInfo _info, boolean parent) { |
| info = _info; |
| isParent = parent; |
| } |
| |
| ActiveAdmin getParentActiveAdmin() { |
| Preconditions.checkState(!isParent); |
| |
| if (parentAdmin == null) { |
| parentAdmin = new ActiveAdmin(info, /* parent */ true); |
| } |
| return parentAdmin; |
| } |
| |
| boolean hasParentActiveAdmin() { |
| return parentAdmin != null; |
| } |
| |
| int getUid() { return info.getActivityInfo().applicationInfo.uid; } |
| |
| public UserHandle getUserHandle() { |
| return UserHandle.of(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 (minimumPasswordMetrics.quality |
| != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { |
| out.startTag(null, TAG_PASSWORD_QUALITY); |
| out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.quality)); |
| out.endTag(null, TAG_PASSWORD_QUALITY); |
| if (minimumPasswordMetrics.length != DEF_MINIMUM_PASSWORD_LENGTH) { |
| out.startTag(null, TAG_MIN_PASSWORD_LENGTH); |
| out.attribute( |
| null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.length)); |
| 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 (minimumPasswordMetrics.upperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { |
| out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); |
| out.attribute( |
| null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.upperCase)); |
| out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); |
| } |
| if (minimumPasswordMetrics.lowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { |
| out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); |
| out.attribute( |
| null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.lowerCase)); |
| out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); |
| } |
| if (minimumPasswordMetrics.letters != DEF_MINIMUM_PASSWORD_LETTERS) { |
| out.startTag(null, TAG_MIN_PASSWORD_LETTERS); |
| out.attribute( |
| null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.letters)); |
| out.endTag(null, TAG_MIN_PASSWORD_LETTERS); |
| } |
| if (minimumPasswordMetrics.numeric != DEF_MINIMUM_PASSWORD_NUMERIC) { |
| out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); |
| out.attribute( |
| null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.numeric)); |
| out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); |
| } |
| if (minimumPasswordMetrics.symbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { |
| out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); |
| out.attribute( |
| null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.symbols)); |
| out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); |
| } |
| if (minimumPasswordMetrics.nonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { |
| out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); |
| out.attribute( |
| null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.nonLetter)); |
| 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 (strongAuthUnlockTimeout != DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { |
| out.startTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); |
| out.attribute(null, ATTR_VALUE, Long.toString(strongAuthUnlockTimeout)); |
| out.endTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); |
| } |
| 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 (testOnlyAdmin) { |
| out.startTag(null, TAG_TEST_ONLY_ADMIN); |
| out.attribute(null, ATTR_VALUE, Boolean.toString(testOnlyAdmin)); |
| out.endTag(null, TAG_TEST_ONLY_ADMIN); |
| } |
| 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 (disableContactsSearch) { |
| out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); |
| out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); |
| out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); |
| } |
| 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 (forceEphemeralUsers) { |
| out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); |
| out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); |
| out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); |
| } |
| if (isNetworkLoggingEnabled) { |
| out.startTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); |
| out.attribute(null, ATTR_VALUE, Boolean.toString(isNetworkLoggingEnabled)); |
| out.attribute(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS, |
| Integer.toString(numNetworkLoggingNotifications)); |
| out.attribute(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION, |
| Long.toString(lastNetworkLoggingNotificationTimeMs)); |
| out.endTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); |
| } |
| 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); |
| writeAttributeValuesToXml( |
| out, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); |
| 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); |
| writeAttributeValuesToXml(out, TAG_PROVIDER, crossProfileWidgetProviders); |
| out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); |
| } |
| writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, |
| permittedAccessiblityServices); |
| writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); |
| writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); |
| if (hasUserRestrictions()) { |
| UserRestrictionsUtils.writeRestrictions( |
| out, userRestrictions, TAG_USER_RESTRICTIONS); |
| } |
| if (!defaultEnabledRestrictionsAlreadySet.isEmpty()) { |
| out.startTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); |
| writeAttributeValuesToXml( |
| out, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); |
| out.endTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); |
| } |
| if (!TextUtils.isEmpty(shortSupportMessage)) { |
| out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); |
| out.text(shortSupportMessage.toString()); |
| out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); |
| } |
| if (!TextUtils.isEmpty(longSupportMessage)) { |
| out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); |
| out.text(longSupportMessage.toString()); |
| out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); |
| } |
| if (parentAdmin != null) { |
| out.startTag(null, TAG_PARENT_ADMIN); |
| parentAdmin.writeToXml(out); |
| out.endTag(null, TAG_PARENT_ADMIN); |
| } |
| if (organizationColor != DEF_ORGANIZATION_COLOR) { |
| out.startTag(null, TAG_ORGANIZATION_COLOR); |
| out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); |
| out.endTag(null, TAG_ORGANIZATION_COLOR); |
| } |
| if (organizationName != null) { |
| out.startTag(null, TAG_ORGANIZATION_NAME); |
| out.text(organizationName); |
| out.endTag(null, TAG_ORGANIZATION_NAME); |
| } |
| } |
| |
| void writePackageListToXml(XmlSerializer out, String outerTag, |
| List<String> packageList) |
| throws IllegalArgumentException, IllegalStateException, IOException { |
| if (packageList == null) { |
| return; |
| } |
| |
| out.startTag(null, outerTag); |
| writeAttributeValuesToXml(out, TAG_PACKAGE_LIST_ITEM, packageList); |
| out.endTag(null, outerTag); |
| } |
| |
| void writeAttributeValuesToXml(XmlSerializer out, String tag, |
| @NonNull Collection<String> values) throws IOException { |
| for (String value : values) { |
| out.startTag(null, tag); |
| out.attribute(null, ATTR_VALUE, value); |
| out.endTag(null, tag); |
| } |
| } |
| |
| 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)) { |
| minimumPasswordMetrics.quality = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { |
| minimumPasswordMetrics.length = 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)) { |
| minimumPasswordMetrics.upperCase = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { |
| minimumPasswordMetrics.lowerCase = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { |
| minimumPasswordMetrics.letters = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { |
| minimumPasswordMetrics.numeric = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { |
| minimumPasswordMetrics.symbols = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { |
| minimumPasswordMetrics.nonLetter = 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_STRONG_AUTH_UNLOCK_TIMEOUT.equals(tag)) { |
| strongAuthUnlockTimeout = 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_TEST_ONLY_ADMIN.equals(tag)) { |
| testOnlyAdmin = 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_CONTACTS_SEARCH.equals(tag)) { |
| disableContactsSearch = 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_FORCE_EPHEMERAL_USERS.equals(tag)) { |
| forceEphemeralUsers = Boolean.parseBoolean( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_IS_NETWORK_LOGGING_ENABLED.equals(tag)) { |
| isNetworkLoggingEnabled = Boolean.parseBoolean( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| lastNetworkLoggingNotificationTimeMs = Long.parseLong( |
| parser.getAttributeValue(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION)); |
| numNetworkLoggingNotifications = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS)); |
| } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { |
| disabledKeyguardFeatures = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { |
| readAttributeValues( |
| parser, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); |
| } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { |
| trustAgentInfos = getAllTrustAgentInfos(parser, tag); |
| } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { |
| crossProfileWidgetProviders = new ArrayList<>(); |
| readAttributeValues(parser, TAG_PROVIDER, crossProfileWidgetProviders); |
| } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { |
| permittedAccessiblityServices = readPackageList(parser, tag); |
| } else if (TAG_PERMITTED_IMES.equals(tag)) { |
| permittedInputMethods = readPackageList(parser, tag); |
| } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { |
| keepUninstalledPackages = readPackageList(parser, tag); |
| } else if (TAG_USER_RESTRICTIONS.equals(tag)) { |
| userRestrictions = UserRestrictionsUtils.readRestrictions(parser); |
| } else if (TAG_DEFAULT_ENABLED_USER_RESTRICTIONS.equals(tag)) { |
| readAttributeValues( |
| parser, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); |
| } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { |
| type = parser.next(); |
| if (type == XmlPullParser.TEXT) { |
| shortSupportMessage = parser.getText(); |
| } else { |
| Log.w(LOG_TAG, "Missing text when loading short support message"); |
| } |
| } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { |
| type = parser.next(); |
| if (type == XmlPullParser.TEXT) { |
| longSupportMessage = parser.getText(); |
| } else { |
| Log.w(LOG_TAG, "Missing text when loading long support message"); |
| } |
| } else if (TAG_PARENT_ADMIN.equals(tag)) { |
| Preconditions.checkState(!isParent); |
| |
| parentAdmin = new ActiveAdmin(info, /* parent */ true); |
| parentAdmin.readFromXml(parser); |
| } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { |
| organizationColor = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_ORGANIZATION_NAME.equals(tag)) { |
| type = parser.next(); |
| if (type == XmlPullParser.TEXT) { |
| organizationName = parser.getText(); |
| } else { |
| Log.w(LOG_TAG, "Missing text when loading organization name"); |
| } |
| } 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 void readAttributeValues( |
| XmlPullParser parser, String tag, Collection<String> result) |
| throws XmlPullParserException, IOException { |
| result.clear(); |
| int outerDepthDAM = parser.getDepth(); |
| int typeDAM; |
| 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.equals(tagDAM)) { |
| result.add(parser.getAttributeValue(null, ATTR_VALUE)); |
| } else { |
| Slog.e(LOG_TAG, "Expected tag " + tag + " but found " + tagDAM); |
| } |
| } |
| } |
| |
| private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( |
| XmlPullParser parser, String tag) throws XmlPullParserException, IOException { |
| int outerDepthDAM = parser.getDepth(); |
| int typeDAM; |
| final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); |
| 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)) { |
| result.options = PersistableBundle.restoreFromXml(parser); |
| } else { |
| Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); |
| } |
| } |
| return result; |
| } |
| |
| boolean hasUserRestrictions() { |
| return userRestrictions != null && userRestrictions.size() > 0; |
| } |
| |
| Bundle ensureUserRestrictions() { |
| if (userRestrictions == null) { |
| userRestrictions = new Bundle(); |
| } |
| return userRestrictions; |
| } |
| |
| void dump(String prefix, PrintWriter pw) { |
| pw.print(prefix); pw.print("uid="); pw.println(getUid()); |
| pw.print(prefix); pw.print("testOnlyAdmin="); |
| pw.println(testOnlyAdmin); |
| 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(minimumPasswordMetrics.quality)); |
| pw.print(prefix); pw.print("minimumPasswordLength="); |
| pw.println(minimumPasswordMetrics.length); |
| pw.print(prefix); pw.print("passwordHistoryLength="); |
| pw.println(passwordHistoryLength); |
| pw.print(prefix); pw.print("minimumPasswordUpperCase="); |
| pw.println(minimumPasswordMetrics.upperCase); |
| pw.print(prefix); pw.print("minimumPasswordLowerCase="); |
| pw.println(minimumPasswordMetrics.lowerCase); |
| pw.print(prefix); pw.print("minimumPasswordLetters="); |
| pw.println(minimumPasswordMetrics.letters); |
| pw.print(prefix); pw.print("minimumPasswordNumeric="); |
| pw.println(minimumPasswordMetrics.numeric); |
| pw.print(prefix); pw.print("minimumPasswordSymbols="); |
| pw.println(minimumPasswordMetrics.symbols); |
| pw.print(prefix); pw.print("minimumPasswordNonLetter="); |
| pw.println(minimumPasswordMetrics.nonLetter); |
| pw.print(prefix); pw.print("maximumTimeToUnlock="); |
| pw.println(maximumTimeToUnlock); |
| pw.print(prefix); pw.print("strongAuthUnlockTimeout="); |
| pw.println(strongAuthUnlockTimeout); |
| 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("disableContactsSearch="); |
| pw.println(disableContactsSearch); |
| 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("forceEphemeralUsers="); |
| pw.println(forceEphemeralUsers); |
| pw.print(prefix); pw.print("isNetworkLoggingEnabled="); |
| pw.println(isNetworkLoggingEnabled); |
| 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); |
| } |
| if (permittedInputMethods != null) { |
| pw.print(prefix); pw.print("permittedInputMethods="); |
| pw.println(permittedInputMethods); |
| } |
| if (keepUninstalledPackages != null) { |
| pw.print(prefix); pw.print("keepUninstalledPackages="); |
| pw.println(keepUninstalledPackages); |
| } |
| pw.print(prefix); pw.print("organizationColor="); |
| pw.println(organizationColor); |
| if (organizationName != null) { |
| pw.print(prefix); pw.print("organizationName="); |
| pw.println(organizationName); |
| } |
| pw.print(prefix); pw.println("userRestrictions:"); |
| UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); |
| pw.print(prefix); pw.print("defaultEnabledRestrictionsAlreadySet="); |
| pw.println(defaultEnabledRestrictionsAlreadySet); |
| pw.print(prefix); pw.print("isParent="); |
| pw.println(isParent); |
| if (parentAdmin != null) { |
| pw.print(prefix); pw.println("parentAdmin:"); |
| parentAdmin.dump(prefix + " ", pw); |
| } |
| } |
| } |
| |
| private void handlePackagesChanged(String packageName, int userHandle) { |
| boolean removed = false; |
| if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); |
| DevicePolicyData policy = getUserData(userHandle); |
| 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 (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null |
| || mIPackageManager.getReceiverInfo(aa.info.getComponent(), |
| PackageManager.MATCH_DIRECT_BOOT_AWARE |
| | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, |
| userHandle) == null) { |
| removed = true; |
| policy.mAdminList.remove(i); |
| policy.mAdminMap.remove(aa.info.getComponent()); |
| } |
| } |
| } catch (RemoteException re) { |
| // Shouldn't happen |
| } |
| } |
| if (removed) { |
| validatePasswordOwnerLocked(policy); |
| saveSettingsLocked(policy.mUserHandle); |
| } |
| |
| // Check if delegated cert installer or app restrictions managing packages are removed. |
| if (isRemovedPackage(packageName, policy.mDelegatedCertInstallerPackage, userHandle)) { |
| policy.mDelegatedCertInstallerPackage = null; |
| saveSettingsLocked(policy.mUserHandle); |
| } |
| if (isRemovedPackage( |
| packageName, policy.mApplicationRestrictionsManagingPackage, userHandle)) { |
| policy.mApplicationRestrictionsManagingPackage = null; |
| saveSettingsLocked(policy.mUserHandle); |
| } |
| } |
| if (removed) { |
| // The removed admin might have disabled camera, so update user restrictions. |
| pushUserRestrictions(userHandle); |
| } |
| } |
| |
| private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { |
| try { |
| return targetPackage != null |
| && (changedPackage == null || changedPackage.equals(targetPackage)) |
| && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; |
| } catch (RemoteException e) { |
| // Shouldn't happen |
| } |
| |
| return false; |
| } |
| |
| /** |
| * Unit test will subclass it to inject mocks. |
| */ |
| @VisibleForTesting |
| static class Injector { |
| |
| private final Context mContext; |
| |
| Injector(Context context) { |
| mContext = context; |
| } |
| |
| Owners newOwners() { |
| return new Owners(getUserManager(), getUserManagerInternal(), |
| getPackageManagerInternal()); |
| } |
| |
| UserManager getUserManager() { |
| return UserManager.get(mContext); |
| } |
| |
| UserManagerInternal getUserManagerInternal() { |
| return LocalServices.getService(UserManagerInternal.class); |
| } |
| |
| PackageManagerInternal getPackageManagerInternal() { |
| return LocalServices.getService(PackageManagerInternal.class); |
| } |
| |
| NotificationManager getNotificationManager() { |
| return mContext.getSystemService(NotificationManager.class); |
| } |
| |
| IIpConnectivityMetrics getIIpConnectivityMetrics() { |
| return (IIpConnectivityMetrics) IIpConnectivityMetrics.Stub.asInterface( |
| ServiceManager.getService(IpConnectivityLog.SERVICE_NAME)); |
| } |
| |
| PackageManager getPackageManager() { |
| return mContext.getPackageManager(); |
| } |
| |
| PowerManagerInternal getPowerManagerInternal() { |
| return LocalServices.getService(PowerManagerInternal.class); |
| } |
| |
| TelephonyManager getTelephonyManager() { |
| return TelephonyManager.from(mContext); |
| } |
| |
| TrustManager getTrustManager() { |
| return (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); |
| } |
| |
| IWindowManager getIWindowManager() { |
| return IWindowManager.Stub |
| .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); |
| } |
| |
| IActivityManager getIActivityManager() { |
| return ActivityManager.getService(); |
| } |
| |
| IPackageManager getIPackageManager() { |
| return AppGlobals.getPackageManager(); |
| } |
| |
| IBackupManager getIBackupManager() { |
| return IBackupManager.Stub.asInterface( |
| ServiceManager.getService(Context.BACKUP_SERVICE)); |
| } |
| |
| IAudioService getIAudioService() { |
| return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); |
| } |
| |
| boolean isBuildDebuggable() { |
| return Build.IS_DEBUGGABLE; |
| } |
| |
| LockPatternUtils newLockPatternUtils() { |
| return new LockPatternUtils(mContext); |
| } |
| |
| boolean storageManagerIsFileBasedEncryptionEnabled() { |
| return StorageManager.isFileEncryptedNativeOnly(); |
| } |
| |
| boolean storageManagerIsNonDefaultBlockEncrypted() { |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| return StorageManager.isNonDefaultBlockEncrypted(); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| boolean storageManagerIsEncrypted() { |
| return StorageManager.isEncrypted(); |
| } |
| |
| boolean storageManagerIsEncryptable() { |
| return StorageManager.isEncryptable(); |
| } |
| |
| Looper getMyLooper() { |
| return Looper.myLooper(); |
| } |
| |
| WifiManager getWifiManager() { |
| return mContext.getSystemService(WifiManager.class); |
| } |
| |
| long binderClearCallingIdentity() { |
| return Binder.clearCallingIdentity(); |
| } |
| |
| void binderRestoreCallingIdentity(long token) { |
| Binder.restoreCallingIdentity(token); |
| } |
| |
| int binderGetCallingUid() { |
| return Binder.getCallingUid(); |
| } |
| |
| int binderGetCallingPid() { |
| return Binder.getCallingPid(); |
| } |
| |
| UserHandle binderGetCallingUserHandle() { |
| return Binder.getCallingUserHandle(); |
| } |
| |
| boolean binderIsCallingUidMyUid() { |
| return getCallingUid() == Process.myUid(); |
| } |
| |
| final int userHandleGetCallingUserId() { |
| return UserHandle.getUserId(binderGetCallingUid()); |
| } |
| |
| File environmentGetUserSystemDirectory(int userId) { |
| return Environment.getUserSystemDirectory(userId); |
| } |
| |
| void powerManagerGoToSleep(long time, int reason, int flags) { |
| mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); |
| } |
| |
| void powerManagerReboot(String reason) { |
| mContext.getSystemService(PowerManager.class).reboot(reason); |
| } |
| |
| boolean systemPropertiesGetBoolean(String key, boolean def) { |
| return SystemProperties.getBoolean(key, def); |
| } |
| |
| long systemPropertiesGetLong(String key, long def) { |
| return SystemProperties.getLong(key, def); |
| } |
| |
| String systemPropertiesGet(String key, String def) { |
| return SystemProperties.get(key, def); |
| } |
| |
| String systemPropertiesGet(String key) { |
| return SystemProperties.get(key); |
| } |
| |
| void systemPropertiesSet(String key, String value) { |
| SystemProperties.set(key, value); |
| } |
| |
| boolean userManagerIsSplitSystemUser() { |
| return UserManager.isSplitSystemUser(); |
| } |
| |
| String getDevicePolicyFilePathForSystemUser() { |
| return "/data/system/"; |
| } |
| |
| void registerContentObserver(Uri uri, boolean notifyForDescendents, |
| ContentObserver observer, int userHandle) { |
| mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, |
| observer, userHandle); |
| } |
| |
| int settingsSecureGetIntForUser(String name, int def, int userHandle) { |
| return Settings.Secure.getIntForUser(mContext.getContentResolver(), |
| name, def, userHandle); |
| } |
| |
| void settingsSecurePutIntForUser(String name, int value, int userHandle) { |
| Settings.Secure.putIntForUser(mContext.getContentResolver(), |
| name, value, userHandle); |
| } |
| |
| void settingsSecurePutStringForUser(String name, String value, int userHandle) { |
| Settings.Secure.putStringForUser(mContext.getContentResolver(), |
| name, value, userHandle); |
| } |
| |
| void settingsGlobalPutStringForUser(String name, String value, int userHandle) { |
| Settings.Global.putStringForUser(mContext.getContentResolver(), |
| name, value, userHandle); |
| } |
| |
| void settingsSecurePutInt(String name, int value) { |
| Settings.Secure.putInt(mContext.getContentResolver(), name, value); |
| } |
| |
| int settingsGlobalGetInt(String name, int def) { |
| return Settings.Global.getInt(mContext.getContentResolver(), name, def); |
| } |
| |
| void settingsGlobalPutInt(String name, int value) { |
| Settings.Global.putInt(mContext.getContentResolver(), name, value); |
| } |
| |
| void settingsSecurePutString(String name, String value) { |
| Settings.Secure.putString(mContext.getContentResolver(), name, value); |
| } |
| |
| void settingsGlobalPutString(String name, String value) { |
| Settings.Global.putString(mContext.getContentResolver(), name, value); |
| } |
| |
| void securityLogSetLoggingEnabledProperty(boolean enabled) { |
| SecurityLog.setLoggingEnabledProperty(enabled); |
| } |
| |
| boolean securityLogGetLoggingEnabledProperty() { |
| return SecurityLog.getLoggingEnabledProperty(); |
| } |
| |
| boolean securityLogIsLoggingEnabled() { |
| return SecurityLog.isLoggingEnabled(); |
| } |
| } |
| |
| /** |
| * Instantiates the service. |
| */ |
| public DevicePolicyManagerService(Context context) { |
| this(new Injector(context)); |
| } |
| |
| @VisibleForTesting |
| DevicePolicyManagerService(Injector injector) { |
| mInjector = injector; |
| mContext = Preconditions.checkNotNull(injector.mContext); |
| mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); |
| mOwners = Preconditions.checkNotNull(injector.newOwners()); |
| |
| mUserManager = Preconditions.checkNotNull(injector.getUserManager()); |
| mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); |
| mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); |
| mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); |
| |
| mLocalService = new LocalService(); |
| mLockPatternUtils = injector.newLockPatternUtils(); |
| |
| mSecurityLogMonitor = new SecurityLogMonitor(this); |
| |
| mHasFeature = mInjector.getPackageManager() |
| .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); |
| mIsWatch = mInjector.getPackageManager() |
| .hasSystemFeature(PackageManager.FEATURE_WATCH); |
| 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_ADDED); |
| filter.addAction(Intent.ACTION_USER_REMOVED); |
| filter.addAction(Intent.ACTION_USER_STARTED); |
| filter.addAction(Intent.ACTION_USER_UNLOCKED); |
| filter.addAction(KeyChain.ACTION_TRUST_STORE_CHANGED); |
| filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); |
| mContext.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"); |
| mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); |
| filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); |
| mContext.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 |
| */ |
| @NonNull |
| 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 = mInjector.binderClearCallingIdentity(); |
| try { |
| return getUserData(userHandle); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| |
| void removeUserData(int userHandle) { |
| synchronized (this) { |
| if (userHandle == UserHandle.USER_SYSTEM) { |
| Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); |
| return; |
| } |
| mOwners.removeProfileOwner(userHandle); |
| mOwners.writeProfileOwner(userHandle); |
| |
| DevicePolicyData policy = mUserData.get(userHandle); |
| if (policy != null) { |
| mUserData.remove(userHandle); |
| } |
| File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), |
| DEVICE_POLICIES_XML); |
| policyFile.delete(); |
| Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); |
| } |
| updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); |
| } |
| |
| void loadOwners() { |
| synchronized (this) { |
| mOwners.load(); |
| setDeviceOwnerSystemPropertyLocked(); |
| findOwnerComponentIfNecessaryLocked(); |
| migrateUserRestrictionsIfNecessaryLocked(); |
| setDefaultEnabledUserRestrictionsIfNecessaryLocked(); |
| |
| // TODO PO may not have a class name either due to b/17652534. Address that too. |
| |
| updateDeviceOwnerLocked(); |
| } |
| } |
| |
| private void setDefaultEnabledUserRestrictionsIfNecessaryLocked() { |
| final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); |
| if (deviceOwner != null |
| && !UserRestrictionsUtils.getDefaultEnabledForDeviceOwner().equals( |
| deviceOwner.defaultEnabledRestrictionsAlreadySet)) { |
| Slog.i(LOG_TAG,"New user restrictions need to be set by default for the device owner"); |
| |
| if (VERBOSE_LOG) { |
| Slog.d(LOG_TAG,"Default enabled restrictions for DO: " |
| + UserRestrictionsUtils.getDefaultEnabledForDeviceOwner() |
| + ". Restrictions already enabled: " |
| + deviceOwner.defaultEnabledRestrictionsAlreadySet); |
| } |
| |
| Set<String> restrictionsToSet = new ArraySet<>( |
| UserRestrictionsUtils.getDefaultEnabledForDeviceOwner()); |
| restrictionsToSet.removeAll(deviceOwner.defaultEnabledRestrictionsAlreadySet); |
| if (!restrictionsToSet.isEmpty()) { |
| for (String restriction : restrictionsToSet) { |
| deviceOwner.ensureUserRestrictions().putBoolean(restriction, true); |
| } |
| deviceOwner.defaultEnabledRestrictionsAlreadySet.addAll(restrictionsToSet); |
| Slog.i(LOG_TAG, |
| "Enabled the following restrictions by default: " + restrictionsToSet); |
| |
| saveUserRestrictionsLocked(mOwners.getDeviceOwnerUserId()); |
| } |
| } |
| } |
| |
| private void setDeviceOwnerSystemPropertyLocked() { |
| // Device owner may still be provisioned, do not set the read-only system property yet. |
| if (mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) == 0) { |
| return; |
| } |
| // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is |
| // always false at this point. |
| if (StorageManager.inCryptKeeperBounce()) { |
| return; |
| } |
| |
| if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { |
| Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); |
| } else { |
| if (mOwners.hasDeviceOwner()) { |
| mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); |
| Slog.i(LOG_TAG, "Set ro.device_owner property to true"); |
| |
| if (mInjector.securityLogGetLoggingEnabledProperty()) { |
| mSecurityLogMonitor.start(); |
| maybePauseDeviceWideLoggingLocked(); |
| } |
| } else { |
| mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); |
| Slog.i(LOG_TAG, "Set ro.device_owner property to false"); |
| } |
| } |
| } |
| |
| private void findOwnerComponentIfNecessaryLocked() { |
| if (!mOwners.hasDeviceOwner()) { |
| return; |
| } |
| final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); |
| |
| if (!TextUtils.isEmpty(doComponentName.getClassName())) { |
| return; // Already a full component name. |
| } |
| |
| final ComponentName doComponent = findAdminComponentWithPackageLocked( |
| doComponentName.getPackageName(), |
| mOwners.getDeviceOwnerUserId()); |
| if (doComponent == null) { |
| Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); |
| } else { |
| mOwners.setDeviceOwnerWithRestrictionsMigrated( |
| doComponent, |
| mOwners.getDeviceOwnerName(), |
| mOwners.getDeviceOwnerUserId(), |
| !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); |
| mOwners.writeDeviceOwner(); |
| if (VERBOSE_LOG) { |
| Log.v(LOG_TAG, "Device owner component filled in"); |
| } |
| } |
| } |
| |
| /** |
| * We didn't use to persist user restrictions for each owners but only persisted in user |
| * manager. |
| */ |
| private void migrateUserRestrictionsIfNecessaryLocked() { |
| boolean migrated = false; |
| // Migrate for the DO. Basically all restrictions should be considered to be set by DO, |
| // except for the "system controlled" ones. |
| if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { |
| if (VERBOSE_LOG) { |
| Log.v(LOG_TAG, "Migrating DO user restrictions"); |
| } |
| migrated = true; |
| |
| // Migrate user 0 restrictions to DO. |
| final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); |
| |
| migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, |
| /* exceptionList =*/ null, /* isDeviceOwner =*/ true); |
| |
| // Push DO user restrictions to user manager. |
| pushUserRestrictions(UserHandle.USER_SYSTEM); |
| |
| mOwners.setDeviceOwnerUserRestrictionsMigrated(); |
| } |
| |
| // Migrate for POs. |
| |
| // The following restrictions can be set on secondary users by the device owner, so we |
| // assume they're not from the PO. |
| final Set<String> secondaryUserExceptionList = Sets.newArraySet( |
| UserManager.DISALLOW_OUTGOING_CALLS, |
| UserManager.DISALLOW_SMS); |
| |
| for (UserInfo ui : mUserManager.getUsers()) { |
| final int userId = ui.id; |
| if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { |
| if (VERBOSE_LOG) { |
| Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); |
| } |
| migrated = true; |
| |
| final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); |
| |
| final Set<String> exceptionList = |
| (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; |
| |
| migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, |
| exceptionList, /* isDeviceOwner =*/ false); |
| |
| // Note if a secondary user has no PO but has a DA that disables camera, we |
| // don't get here and won't push the camera user restriction to UserManager |
| // here. That's okay because we'll push user restrictions anyway when a user |
| // starts. But we still do it because we want to let user manager persist |
| // upon migration. |
| pushUserRestrictions(userId); |
| |
| mOwners.setProfileOwnerUserRestrictionsMigrated(userId); |
| } |
| } |
| if (VERBOSE_LOG && migrated) { |
| Log.v(LOG_TAG, "User restrictions migrated."); |
| } |
| } |
| |
| private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, |
| Set<String> exceptionList, boolean isDeviceOwner) { |
| final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( |
| user.getIdentifier()); |
| |
| final Bundle newBaseRestrictions = new Bundle(); |
| final Bundle newOwnerRestrictions = new Bundle(); |
| |
| for (String key : origRestrictions.keySet()) { |
| if (!origRestrictions.getBoolean(key)) { |
| continue; |
| } |
| final boolean canOwnerChange = isDeviceOwner |
| ? UserRestrictionsUtils.canDeviceOwnerChange(key) |
| : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); |
| |
| if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { |
| newBaseRestrictions.putBoolean(key, true); |
| } else { |
| newOwnerRestrictions.putBoolean(key, true); |
| } |
| } |
| |
| if (VERBOSE_LOG) { |
| Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); |
| Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); |
| Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); |
| } |
| mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), |
| newBaseRestrictions); |
| |
| if (admin != null) { |
| admin.ensureUserRestrictions().clear(); |
| admin.ensureUserRestrictions().putAll(newOwnerRestrictions); |
| } else { |
| Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); |
| } |
| saveSettingsLocked(user.getIdentifier()); |
| } |
| |
| private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { |
| final DevicePolicyData policy = getUserData(userId); |
| final int n = policy.mAdminList.size(); |
| ComponentName found = null; |
| int nFound = 0; |
| for (int i = 0; i < n; i++) { |
| final ActiveAdmin admin = policy.mAdminList.get(i); |
| if (packageName.equals(admin.info.getPackageName())) { |
| // Found! |
| if (nFound == 0) { |
| found = admin.info.getComponent(); |
| } |
| nFound++; |
| } |
| } |
| if (nFound > 1) { |
| Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); |
| } |
| return found; |
| } |
| |
| /** |
| * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration |
| * reminders. Clears alarm if no expirations are configured. |
| */ |
| private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { |
| final long expiration = getPasswordExpirationLocked(null, userHandle, parent); |
| 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 = mInjector.binderClearCallingIdentity(); |
| try { |
| int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; |
| 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, |
| UserHandle.of(affectedUserHandle)); |
| am.cancel(pi); |
| if (alarmTime != 0) { |
| am.set(AlarmManager.RTC, alarmTime, pi); |
| } |
| } finally { |
| mInjector.binderRestoreCallingIdentity(token); |
| } |
| } |
| |
| 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 getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { |
| if (parent) { |
| enforceManagedProfile(userHandle, "call APIs on the parent profile"); |
| } |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| if (admin != null && parent) { |
| admin = admin.getParentActiveAdmin(); |
| } |
| return admin; |
| } |
| |
| ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) |
| throws SecurityException { |
| final int callingUid = mInjector.binderGetCallingUid(); |
| |
| 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 " |
| + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); |
| } |
| } |
| |
| ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) |
| throws SecurityException { |
| if (parent) { |
| enforceManagedProfile(mInjector.userHandleGetCallingUserId(), |
| "call APIs on the parent profile"); |
| } |
| ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); |
| return parent ? admin.getParentActiveAdmin() : admin; |
| } |
| /** |
| * Find the admin for the component and userId bit of the uid, then check |
| * the admin's uid matches the uid. |
| */ |
| private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { |
| final int userId = UserHandle.getUserId(uid); |
| final DevicePolicyData policy = getUserData(userId); |
| 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 " + uid); |
| } |
| return admin; |
| } |
| |
| 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 " + uid); |
| } |
| 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; |
| } |
| |
| @VisibleForTesting |
| boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, |
| int userId) { |
| final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); |
| final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); |
| |
| if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { |
| return ownsDevice; |
| } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { |
| // DO always has the PO power. |
| return ownsDevice || ownsProfile; |
| } else { |
| return admin.info.usesPolicy(reqPolicy); |
| } |
| } |
| |
| 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, Bundle adminExtras) { |
| final DevicePolicyData policy = getUserData(userHandle); |
| final int count = policy.mAdminList.size(); |
| for (int i = 0; i < count; i++) { |
| final ActiveAdmin admin = policy.mAdminList.get(i); |
| if (admin.info.usesPolicy(reqPolicy)) { |
| sendAdminCommandLocked(admin, action, adminExtras, null); |
| } |
| } |
| } |
| |
| /** |
| * 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, Bundle adminExtras) { |
| int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); |
| for (int profileId : profileIds) { |
| sendAdminCommandLocked(action, reqPolicy, profileId, adminExtras); |
| } |
| } |
| |
| /** |
| * Sends a broadcast to each profile that share the password unlock with the given user id. |
| */ |
| private void sendAdminCommandForLockscreenPoliciesLocked( |
| String action, int reqPolicy, int userHandle) { |
| final Bundle extras = new Bundle(); |
| extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); |
| if (isSeparateProfileChallengeEnabled(userHandle)) { |
| sendAdminCommandLocked(action, reqPolicy, userHandle, extras); |
| } else { |
| sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle, extras); |
| } |
| } |
| |
| void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { |
| final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); |
| DevicePolicyData policy = getUserData(userHandle); |
| if (admin != null && !policy.mRemovingAdmins.contains(adminReceiver)) { |
| policy.mRemovingAdmins.add(adminReceiver); |
| sendAdminCommandLocked(admin, |
| DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, |
| new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| removeAdminArtifacts(adminReceiver, userHandle); |
| removePackageIfRequired(adminReceiver.getPackageName(), userHandle); |
| } |
| }); |
| } |
| } |
| |
| |
| public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, |
| boolean throwForMissiongPermission) { |
| if (!mHasFeature) { |
| return null; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| ActivityInfo ai = null; |
| try { |
| ai = mIPackageManager.getReceiverInfo(adminName, |
| PackageManager.GET_META_DATA | |
| PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | |
| PackageManager.MATCH_DIRECT_BOOT_AWARE | |
| PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); |
| } catch (RemoteException e) { |
| // shouldn't happen. |
| } |
| if (ai == null) { |
| throw new IllegalArgumentException("Unknown admin: " + adminName); |
| } |
| |
| if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { |
| final String message = "DeviceAdminReceiver " + adminName + " must be protected with " |
| + permission.BIND_DEVICE_ADMIN; |
| Slog.w(LOG_TAG, message); |
| if (throwForMissiongPermission && |
| ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { |
| throw new IllegalArgumentException(message); |
| } |
| } |
| |
| try { |
| return new DeviceAdminInfo(mContext, ai); |
| } catch (XmlPullParserException | IOException e) { |
| Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, |
| e); |
| return null; |
| } |
| } |
| |
| private JournaledFile makeJournaledFile(int userHandle) { |
| final String base = userHandle == UserHandle.USER_SYSTEM |
| ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML |
| : new File(mInjector.environmentGetUserSystemDirectory(userHandle), |
| DEVICE_POLICIES_XML).getAbsolutePath(); |
| if (VERBOSE_LOG) { |
| Log.v(LOG_TAG, "Opening " + base); |
| } |
| 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, StandardCharsets.UTF_8.name()); |
| 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.mPaired) { |
| out.attribute(null, ATTR_DEVICE_PAIRED, |
| Boolean.toString(true)); |
| } |
| if (policy.mDeviceProvisioningConfigApplied) { |
| out.attribute(null, ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED, |
| Boolean.toString(true)); |
| } |
| if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { |
| out.attribute(null, ATTR_PROVISIONING_STATE, |
| Integer.toString(policy.mUserProvisioningState)); |
| } |
| 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.mApplicationRestrictionsManagingPackage != null) { |
| out.attribute(null, ATTR_APPLICATION_RESTRICTIONS_MANAGER, |
| policy.mApplicationRestrictionsManagingPackage); |
| } |
| |
| 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"); |
| } |
| |
| // Don't save metrics for FBE devices |
| final PasswordMetrics metrics = policy.mActivePasswordMetrics; |
| if (!mInjector.storageManagerIsFileBasedEncryptionEnabled() && !metrics.isDefault()) { |
| out.startTag(null, "active-password"); |
| out.attribute(null, "quality", Integer.toString(metrics.quality)); |
| out.attribute(null, "length", Integer.toString(metrics.length)); |
| out.attribute(null, "uppercase", Integer.toString(metrics.upperCase)); |
| out.attribute(null, "lowercase", Integer.toString(metrics.lowerCase)); |
| out.attribute(null, "letters", Integer.toString(metrics.letters)); |
| out.attribute(null, "numeric", Integer.toString(metrics.numeric)); |
| out.attribute(null, "symbols", Integer.toString(metrics.symbols)); |
| out.attribute(null, "nonletter", Integer.toString(metrics.nonLetter)); |
| out.endTag(null, "active-password"); |
| } |
| |
| for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { |
| out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); |
| out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); |
| out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); |
| } |
| |
| 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); |
| } |
| |
| for (String id : policy.mAffiliationIds) { |
| out.startTag(null, TAG_AFFILIATION_ID); |
| out.attribute(null, ATTR_ID, id); |
| out.endTag(null, TAG_AFFILIATION_ID); |
| } |
| |
| if (policy.mLastSecurityLogRetrievalTime >= 0) { |
| out.startTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); |
| out.attribute(null, ATTR_VALUE, |
| Long.toString(policy.mLastSecurityLogRetrievalTime)); |
| out.endTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); |
| } |
| |
| if (policy.mLastBugReportRequestTime >= 0) { |
| out.startTag(null, TAG_LAST_BUG_REPORT_REQUEST); |
| out.attribute(null, ATTR_VALUE, |
| Long.toString(policy.mLastBugReportRequestTime)); |
| out.endTag(null, TAG_LAST_BUG_REPORT_REQUEST); |
| } |
| |
| if (policy.mLastNetworkLogsRetrievalTime >= 0) { |
| out.startTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); |
| out.attribute(null, ATTR_VALUE, |
| Long.toString(policy.mLastNetworkLogsRetrievalTime)); |
| out.endTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); |
| } |
| |
| if (policy.mAdminBroadcastPending) { |
| out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); |
| out.attribute(null, ATTR_VALUE, |
| Boolean.toString(policy.mAdminBroadcastPending)); |
| out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); |
| } |
| |
| if (policy.mInitBundle != null) { |
| out.startTag(null, TAG_INITIALIZATION_BUNDLE); |
| policy.mInitBundle.saveToXml(out); |
| out.endTag(null, TAG_INITIALIZATION_BUNDLE); |
| } |
| |
| out.endTag(null, "policies"); |
| |
| out.endDocument(); |
| stream.flush(); |
| FileUtils.sync(stream); |
| stream.close(); |
| journal.commit(); |
| sendChangedNotification(userHandle); |
| } catch (XmlPullParserException | IOException e) { |
| Slog.w(LOG_TAG, "failed writing file", 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 = mInjector.binderClearCallingIdentity(); |
| try { |
| mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| |
| private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { |
| JournaledFile journal = makeJournaledFile(userHandle); |
| FileInputStream stream = null; |
| File file = journal.chooseForRead(); |
| boolean needsRewrite = false; |
| try { |
| stream = new FileInputStream(file); |
| XmlPullParser parser = Xml.newPullParser(); |
| parser.setInput(stream, StandardCharsets.UTF_8.name()); |
| |
| 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 paired = parser.getAttributeValue(null, ATTR_DEVICE_PAIRED); |
| if (paired != null && Boolean.toString(true).equals(paired)) { |
| policy.mPaired = true; |
| } |
| String deviceProvisioningConfigApplied = parser.getAttributeValue(null, |
| ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED); |
| if (deviceProvisioningConfigApplied != null |
| && Boolean.toString(true).equals(deviceProvisioningConfigApplied)) { |
| policy.mDeviceProvisioningConfigApplied = true; |
| } |
| String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); |
| if (!TextUtils.isEmpty(provisioningState)) { |
| policy.mUserProvisioningState = Integer.parseInt(provisioningState); |
| } |
| 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); |
| policy.mApplicationRestrictionsManagingPackage = parser.getAttributeValue(null, |
| ATTR_APPLICATION_RESTRICTIONS_MANAGER); |
| |
| type = parser.next(); |
| int outerDepth = parser.getDepth(); |
| policy.mLockTaskPackages.clear(); |
| policy.mAdminList.clear(); |
| policy.mAdminMap.clear(); |
| policy.mAffiliationIds.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, |
| /* throwForMissionPermission= */ false); |
| if (VERBOSE_LOG |
| && (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, /* parent */ false); |
| 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 (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { |
| policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); |
| } 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 if (TAG_AFFILIATION_ID.equals(tag)) { |
| policy.mAffiliationIds.add(parser.getAttributeValue(null, ATTR_ID)); |
| } else if (TAG_LAST_SECURITY_LOG_RETRIEVAL.equals(tag)) { |
| policy.mLastSecurityLogRetrievalTime = Long.parseLong( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_LAST_BUG_REPORT_REQUEST.equals(tag)) { |
| policy.mLastBugReportRequestTime = Long.parseLong( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_LAST_NETWORK_LOG_RETRIEVAL.equals(tag)) { |
| policy.mLastNetworkLogsRetrievalTime = Long.parseLong( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { |
| String pending = parser.getAttributeValue(null, ATTR_VALUE); |
| policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); |
| } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { |
| policy.mInitBundle = PersistableBundle.restoreFromXml(parser); |
| } else if ("active-password".equals(tag)) { |
| if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { |
| // Remove this from FBE devices |
| needsRewrite = true; |
| } else { |
| final PasswordMetrics m = policy.mActivePasswordMetrics; |
| m.quality = Integer.parseInt(parser.getAttributeValue(null, "quality")); |
| m.length = Integer.parseInt(parser.getAttributeValue(null, "length")); |
| m.upperCase = Integer.parseInt(parser.getAttributeValue(null, "uppercase")); |
| m.lowerCase = Integer.parseInt(parser.getAttributeValue(null, "lowercase")); |
| m.letters = Integer.parseInt(parser.getAttributeValue(null, "letters")); |
| m.numeric = Integer.parseInt(parser.getAttributeValue(null, "numeric")); |
| m.symbols = Integer.parseInt(parser.getAttributeValue(null, "symbols")); |
| m.nonLetter = Integer.parseInt(parser.getAttributeValue(null, "nonletter")); |
| } |
| } else { |
| Slog.w(LOG_TAG, "Unknown tag: " + tag); |
| XmlUtils.skipCurrentTag(parser); |
| } |
| } |
| } catch (FileNotFoundException e) { |
| // Don't be noisy, this is normal if we haven't defined any policies. |
| } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException |
| | 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()); |
| |
| // Might need to upgrade the file by rewriting it |
| if (needsRewrite) { |
| saveSettingsLocked(userHandle); |
| } |
| |
| validatePasswordOwnerLocked(policy); |
| updateMaximumTimeToLockLocked(userHandle); |
| updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); |
| if (policy.mStatusBarDisabled) { |
| setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); |
| } |
| } |
| |
| private void updateLockTaskPackagesLocked(List<String> packages, int userId) { |
| long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| mInjector.getIActivityManager() |
| .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); |
| } catch (RemoteException e) { |
| // Not gonna happen. |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| |
| private void updateDeviceOwnerLocked() { |
| long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| // TODO This is to prevent DO from getting "clear data"ed, but it should also check the |
| // user id and also protect all other DAs too. |
| final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); |
| if (deviceOwnerComponent != null) { |
| mInjector.getIActivityManager() |
| .updateDeviceOwner(deviceOwnerComponent.getPackageName()); |
| } |
| } catch (RemoteException e) { |
| // Not gonna happen. |
| } finally { |
| mInjector.binderRestoreCallingIdentity(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: |
| case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: |
| 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; |
| } |
| } |
| } |
| |
| @VisibleForTesting |
| void systemReady(int phase) { |
| if (!mHasFeature) { |
| return; |
| } |
| switch (phase) { |
| case SystemService.PHASE_LOCK_SETTINGS_READY: |
| onLockSettingsReady(); |
| break; |
| case SystemService.PHASE_BOOT_COMPLETED: |
| ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. |
| break; |
| } |
| } |
| |
| private void onLockSettingsReady() { |
| getUserData(UserHandle.USER_SYSTEM); |
| loadOwners(); |
| cleanUpOldUsers(); |
| |
| onStartUser(UserHandle.USER_SYSTEM); |
| |
| // Register an observer for watching for user setup complete. |
| new SetupContentObserver(mHandler).register(); |
| // Initialize the user setup state, to handle the upgrade case. |
| updateUserSetupCompleteAndPaired(); |
| |
| List<String> packageList; |
| synchronized (this) { |
| packageList = getKeepUninstalledPackagesLocked(); |
| } |
| if (packageList != null) { |
| mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); |
| } |
| |
| synchronized (this) { |
| // push the force-ephemeral-users policy to the user manager. |
| ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); |
| if (deviceOwner != null) { |
| mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); |
| } |
| } |
| } |
| |
| private void ensureDeviceOwnerUserStarted() { |
| final int userId; |
| synchronized (this) { |
| if (!mOwners.hasDeviceOwner()) { |
| return; |
| } |
| userId = mOwners.getDeviceOwnerUserId(); |
| } |
| if (VERBOSE_LOG) { |
| Log.v(LOG_TAG, "Starting non-system DO user: " + userId); |
| } |
| if (userId != UserHandle.USER_SYSTEM) { |
| try { |
| mInjector.getIActivityManager().startUserInBackground(userId); |
| |
| // STOPSHIP Prevent the DO user from being killed. |
| |
| } catch (RemoteException e) { |
| Slog.w(LOG_TAG, "Exception starting user", e); |
| } |
| } |
| } |
| |
| private void onStartUser(int userId) { |
| updateScreenCaptureDisabledInWindowManager(userId, |
| getScreenCaptureDisabled(null, userId)); |
| pushUserRestrictions(userId); |
| } |
| |
| 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 = mOwners.getProfileOwnerKeys(); |
| usersWithData = new ArraySet<>(); |
| for (int i = 0; i < mUserData.size(); i++) { |
| usersWithData.add(mUserData.keyAt(i)); |
| } |
| } |
| List<UserInfo> allUsers = mUserManager.getUsers(); |
| |
| Set<Integer> deletedUsers = new ArraySet<>(); |
| 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) { |
| final Bundle adminExtras = new Bundle(); |
| adminExtras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); |
| |
| synchronized (this) { |
| final long now = System.currentTimeMillis(); |
| |
| List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( |
| userHandle, /* parent */ false); |
| final int N = admins.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = admins.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, adminExtras, null); |
| } |
| } |
| setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); |
| } |
| } |
| |
| private class MonitoringCertNotificationTask extends AsyncTask<Integer, Void, Void> { |
| @Override |
| protected Void doInBackground(Integer... params) { |
| int userHandle = params[0]; |
| |
| if (userHandle == UserHandle.USER_ALL) { |
| for (UserInfo userInfo : mUserManager.getUsers(true)) { |
| manageNotification(userInfo.getUserHandle()); |
| } |
| } else { |
| manageNotification(UserHandle.of(userHandle)); |
| } |
| return null; |
| } |
| |
| private void manageNotification(UserHandle userHandle) { |
| if (!mUserManager.isUserUnlocked(userHandle)) { |
| return; |
| } |
| |
| // Call out to KeyChain to check for CAs which are waiting for approval. |
| final List<String> pendingCertificates; |
| try { |
| pendingCertificates = getInstalledCaCertificates(userHandle); |
| } catch (RemoteException | RuntimeException e) { |
| Log.e(LOG_TAG, "Could not retrieve certificates from KeyChain service", e); |
| return; |
| } |
| |
| synchronized (DevicePolicyManagerService.this) { |
| final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); |
| |
| // Remove deleted certificates. Flush xml if necessary. |
| if (policy.mAcceptedCaCertificates.retainAll(pendingCertificates)) { |
| saveSettingsLocked(userHandle.getIdentifier()); |
| } |
| // Trim to approved certificates. |
| pendingCertificates.removeAll(policy.mAcceptedCaCertificates); |
| } |
| |
| if (pendingCertificates.isEmpty()) { |
| mInjector.getNotificationManager().cancelAsUser( |
| null, MONITORING_CERT_NOTIFICATION_ID, userHandle); |
| return; |
| } |
| |
| // Build and show a warning notification |
| int smallIconId; |
| String contentText; |
| int parentUserId = userHandle.getIdentifier(); |
| if (getProfileOwner(userHandle.getIdentifier()) != null) { |
| contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, |
| getProfileOwnerName(userHandle.getIdentifier())); |
| smallIconId = R.drawable.stat_sys_certificate_info; |
| parentUserId = getProfileParentId(userHandle.getIdentifier()); |
| } else if (getDeviceOwnerUserId() == userHandle.getIdentifier()) { |
| contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, |
| getDeviceOwnerName()); |
| 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; |
| } |
| |
| final int numberOfCertificates = pendingCertificates.size(); |
| 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"); |
| dialogIntent.putExtra(Settings.EXTRA_NUMBER_OF_CERTIFICATES, numberOfCertificates); |
| dialogIntent.putExtra(Intent.EXTRA_USER_ID, userHandle.getIdentifier()); |
| PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, |
| dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, |
| new UserHandle(parentUserId)); |
| |
| final Context userContext; |
| try { |
| final String packageName = mContext.getPackageName(); |
| userContext = mContext.createPackageContextAsUser(packageName, 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.getResources().getQuantityText( |
| R.plurals.ssl_ca_cert_warning, numberOfCertificates)) |
| .setContentText(contentText) |
| .setContentIntent(notifyIntent) |
| .setPriority(Notification.PRIORITY_HIGH) |
| .setShowWhen(false) |
| .setColor(mContext.getColor( |
| com.android.internal.R.color.system_notification_accent_color)) |
| .build(); |
| |
| mInjector.getNotificationManager().notifyAsUser( |
| null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); |
| } |
| |
| private List<String> getInstalledCaCertificates(UserHandle userHandle) |
| throws RemoteException, RuntimeException { |
| KeyChainConnection conn = null; |
| try { |
| conn = KeyChain.bindAsUser(mContext, userHandle); |
| List<ParcelableString> aliases = conn.getService().getUserCaAliases().getList(); |
| List<String> result = new ArrayList<>(aliases.size()); |
| for (int i = 0; i < aliases.size(); i++) { |
| result.add(aliases.get(i).string); |
| } |
| return result; |
| } catch (InterruptedException e) { |
| Thread.currentThread().interrupt(); |
| return null; |
| } catch (AssertionError e) { |
| throw new RuntimeException(e); |
| } finally { |
| if (conn != null) { |
| conn.close(); |
| } |
| } |
| } |
| } |
| |
| /** |
| * @param adminReceiver The admin to add |
| * @param refreshing true = update an active admin, no error |
| */ |
| @Override |
| 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); |
| enforceFullCrossUsersPermission(userHandle); |
| |
| DevicePolicyData policy = getUserData(userHandle); |
| DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, |
| /* throwForMissionPermission= */ true); |
| if (info == null) { |
| throw new IllegalArgumentException("Bad admin: " + adminReceiver); |
| } |
| if (!info.getActivityInfo().applicationInfo.isInternal()) { |
| throw new IllegalArgumentException("Only apps in internal storage can be active admin: " |
| + adminReceiver); |
| } |
| synchronized (this) { |
| long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| final ActiveAdmin existingAdmin |
| = getActiveAdminUncheckedLocked(adminReceiver, userHandle); |
| if (!refreshing && existingAdmin != null) { |
| throw new IllegalArgumentException("Admin is already added"); |
| } |
| if (policy.mRemovingAdmins.contains(adminReceiver)) { |
| throw new IllegalArgumentException( |
| "Trying to set an admin which is being removed"); |
| } |
| ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); |
| newAdmin.testOnlyAdmin = |
| (existingAdmin != null) ? existingAdmin.testOnlyAdmin |
| : isPackageTestOnly(adminReceiver.getPackageName(), userHandle); |
| 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 { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| @Override |
| public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized (this) { |
| return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; |
| } |
| } |
| |
| @Override |
| public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized (this) { |
| DevicePolicyData policyData = getUserData(userHandle); |
| return policyData.mRemovingAdmins.contains(adminReceiver); |
| } |
| } |
| |
| @Override |
| public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized (this) { |
| ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); |
| if (administrator == null) { |
| throw new SecurityException("No active admin " + adminReceiver); |
| } |
| return administrator.info.usesPolicy(policyId); |
| } |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public List<ComponentName> getActiveAdmins(int userHandle) { |
| if (!mHasFeature) { |
| return Collections.EMPTY_LIST; |
| } |
| |
| enforceFullCrossUsersPermission(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; |
| } |
| } |
| |
| @Override |
| public boolean packageHasActiveAdmins(String packageName, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| enforceFullCrossUsersPermission(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 forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); |
| enforceShell("forceRemoveActiveAdmin"); |
| long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| synchronized (this) { |
| if (!isAdminTestOnlyLocked(adminReceiver, userHandle)) { |
| throw new SecurityException("Attempt to remove non-test admin " |
| + adminReceiver + " " + userHandle); |
| } |
| |
| // If admin is a device or profile owner tidy that up first. |
| if (isDeviceOwner(adminReceiver, userHandle)) { |
| clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); |
| clearDeviceOwnerUserRestrictionLocked(UserHandle.of(userHandle)); |
| } |
| if (isProfileOwner(adminReceiver, userHandle)) { |
| final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, |
| userHandle, /* parent */ false); |
| clearProfileOwnerLocked(admin, userHandle); |
| } |
| } |
| // Remove the admin skipping sending the broadcast. |
| removeAdminArtifacts(adminReceiver, userHandle); |
| Slog.i(LOG_TAG, "Admin " + adminReceiver + " removed from user " + userHandle); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| |
| // It's temporary solution to clear DISALLOW_ADD_USER after CTS |
| // STOPSHIP(b/31952368) when the restriction is moved from system to the device owner, |
| // it can be removed. |
| private void clearDeviceOwnerUserRestrictionLocked(UserHandle userHandle) { |
| if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_USER, userHandle)) { |
| mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_USER, false, userHandle); |
| } |
| } |
| |
| /** |
| * Return if a given package has testOnly="true", in which case we'll relax certain rules |
| * for CTS. |
| * |
| * DO NOT use this method except in {@link #setActiveAdmin}. Use {@link #isAdminTestOnlyLocked} |
| * to check wehter an active admin is test-only or not. |
| * |
| * The system allows this flag to be changed when an app is updated, which is not good |
| * for us. So we persist the flag in {@link ActiveAdmin} when an admin is first installed, |
| * and used the persisted version in actual checks. (See b/31382361 and b/28928996) |
| */ |
| private boolean isPackageTestOnly(String packageName, int userHandle) { |
| final ApplicationInfo ai; |
| try { |
| ai = mIPackageManager.getApplicationInfo(packageName, |
| (PackageManager.MATCH_DIRECT_BOOT_AWARE |
| | PackageManager.MATCH_DIRECT_BOOT_UNAWARE), userHandle); |
| } catch (RemoteException e) { |
| throw new IllegalStateException(e); |
| } |
| if (ai == null) { |
| throw new IllegalStateException("Couldn't find package: " |
| + packageName + " on user " + userHandle); |
| } |
| return (ai.flags & ApplicationInfo.FLAG_TEST_ONLY) != 0; |
| } |
| |
| /** |
| * See {@link #isPackageTestOnly}. |
| */ |
| private boolean isAdminTestOnlyLocked(ComponentName who, int userHandle) { |
| final ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return (admin != null) && admin.testOnlyAdmin; |
| } |
| |
| private void enforceShell(String method) { |
| final int callingUid = Binder.getCallingUid(); |
| if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { |
| throw new SecurityException("Non-shell user attempted to call " + method); |
| } |
| } |
| |
| @Override |
| public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| enforceUserUnlocked(userHandle); |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); |
| if (admin == null) { |
| return; |
| } |
| // Active device/profile owners must remain active admins. |
| if (isDeviceOwner(adminReceiver, userHandle) |
| || isProfileOwner(adminReceiver, userHandle)) { |
| Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + |
| adminReceiver); |
| return; |
| } |
| if (admin.getUid() != mInjector.binderGetCallingUid()) { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); |
| } |
| long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| removeActiveAdminLocked(adminReceiver, userHandle); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| @Override |
| public boolean isSeparateProfileChallengeAllowed(int userHandle) { |
| ComponentName profileOwner = getProfileOwner(userHandle); |
| // Profile challenge is supported on N or newer release. |
| return profileOwner != null && |
| getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; |
| } |
| |
| @Override |
| public void setPasswordQuality(ComponentName who, int quality, boolean parent) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| validateQualityConstant(quality); |
| |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked( |
| who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); |
| if (ap.minimumPasswordMetrics.quality != quality) { |
| ap.minimumPasswordMetrics.quality = quality; |
| saveSettingsLocked(mInjector.userHandleGetCallingUserId()); |
| } |
| } |
| } |
| |
| @Override |
| public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { |
| if (!mHasFeature) { |
| return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized (this) { |
| int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); |
| return admin != null ? admin.minimumPasswordMetrics.quality : mode; |
| } |
| |
| // Return the strictest policy across all participating admins. |
| List<ActiveAdmin> admins = |
| getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); |
| final int N = admins.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = admins.get(i); |
| if (mode < admin.minimumPasswordMetrics.quality) { |
| mode = admin.minimumPasswordMetrics.quality; |
| } |
| } |
| return mode; |
| } |
| } |
| |
| private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( |
| int userHandle, boolean parent) { |
| if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { |
| // If this user has a separate challenge, only return its restrictions. |
| return getUserDataUnchecked(userHandle).mAdminList; |
| } else { |
| // Return all admins for this user and the profiles that are visible from this |
| // user that do not use a separate work challenge. |
| ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); |
| for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { |
| DevicePolicyData policy = getUserData(userInfo.id); |
| if (!userInfo.isManagedProfile()) { |
| admins.addAll(policy.mAdminList); |
| } else { |
| // For managed profiles, we always include the policies set on the parent |
| // profile. Additionally, we include the ones set on the managed profile |
| // if no separate challenge is in place. |
| boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (admin.hasParentActiveAdmin()) { |
| admins.add(admin.getParentActiveAdmin()); |
| } |
| if (!hasSeparateChallenge) { |
| admins.add(admin); |
| } |
| } |
| } |
| } |
| return admins; |
| } |
| } |
| |
| private boolean isSeparateProfileChallengeEnabled(int userHandle) { |
| long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override |
| public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked( |
| who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); |
| if (ap.minimumPasswordMetrics.length != length) { |
| ap.minimumPasswordMetrics.length = length; |
| saveSettingsLocked(mInjector.userHandleGetCallingUserId()); |
| } |
| } |
| } |
| |
| @Override |
| public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); |
| return admin != null ? admin.minimumPasswordMetrics.length : length; |
| } |
| |
| // Return the strictest policy across all participating admins. |
| List<ActiveAdmin> admins = |
| getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); |
| final int N = admins.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = admins.get(i); |
| if (length < admin.minimumPasswordMetrics.length) { |
| length = admin.minimumPasswordMetrics.length; |
| } |
| } |
| return length; |
| } |
| } |
| |
| @Override |
| public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked( |
| who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); |
| if (ap.passwordHistoryLength != length) { |
| ap.passwordHistoryLength = length; |
| saveSettingsLocked(mInjector.userHandleGetCallingUserId()); |
| } |
| } |
| } |
| |
| @Override |
| public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); |
| return admin != null ? admin.passwordHistoryLength : length; |
| } |
| |
| // Return the strictest policy across all participating admins. |
| List<ActiveAdmin> admins = |
| getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); |
| final int N = admins.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = admins.get(i); |
| if (length < admin.passwordHistoryLength) { |
| length = admin.passwordHistoryLength; |
| } |
| } |
| |
| return length; |
| } |
| } |
| |
| @Override |
| public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); |
| final int userHandle = mInjector.userHandleGetCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked( |
| who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); |
| // 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, set the alarm on the appropriate user. |
| setExpirationAlarmCheckLocked(mContext, userHandle, parent); |
| } |
| } |
| |
| /** |
| * Return a single admin's expiration cycle time, or the min of all cycle times. |
| * Returns 0 if not configured. |
| */ |
| @Override |
| public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { |
| if (!mHasFeature) { |
| return 0L; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized (this) { |
| long timeout = 0L; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); |
| return admin != null ? admin.passwordExpirationTimeout : timeout; |
| } |
| |
| // Return the strictest policy across all participating admins. |
| List<ActiveAdmin> admins = |
| getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); |
| final int N = admins.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = admins.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 |
| || activeAdmin.crossProfileWidgetProviders.isEmpty()) { |
| 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 (mInjector.binderIsCallingUidMyUid()) { |
| 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, boolean parent) { |
| long timeout = 0L; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); |
| return admin != null ? admin.passwordExpirationDate : timeout; |
| } |
| |
| // Return the strictest policy across all participating admins. |
| List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); |
| final int N = admins.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = admins.get(i); |
| if (timeout == 0L || (admin.passwordExpirationDate != 0 |
| && timeout > admin.passwordExpirationDate)) { |
| timeout = admin.passwordExpirationDate; |
| } |
| } |
| return timeout; |
| } |
| |
| @Override |
| public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { |
| if (!mHasFeature) { |
| return 0L; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized (this) { |
| return getPasswordExpirationLocked(who, userHandle, parent); |
| } |
| } |
| |
| @Override |
| public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked( |
| who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); |
| if (ap.minimumPasswordMetrics.upperCase != length) { |
| ap.minimumPasswordMetrics.upperCase = length; |
| saveSettingsLocked(mInjector.userHandleGetCallingUserId()); |
| } |
| } |
| } |
| |
| @Override |
| public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); |
| return admin != null ? admin.minimumPasswordMetrics.upperCase : length; |
| } |
| |
| // Return the strictest policy across all participating admins. |
| List<ActiveAdmin> admins = |
| getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); |
| final int N = admins.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = admins.get(i); |
| if (length < admin.minimumPasswordMetrics.upperCase) { |
| length = admin.minimumPasswordMetrics.upperCase; |
| } |
| } |
| return length; |
| } |
| } |
| |
| @Override |
| public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked( |
| who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); |
| if (ap.minimumPasswordMetrics.lowerCase != length) { |
| ap.minimumPasswordMetrics.lowerCase = length; |
| saveSettingsLocked(mInjector.userHandleGetCallingUserId()); |
| } |
| } |
| } |
| |
| @Override |
| public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); |
| return admin != null ? admin.minimumPasswordMetrics.lowerCase : length; |
| } |
| |
| // Return the strictest policy across all participating admins. |
| List<ActiveAdmin> admins = |
| getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); |
| final int N = admins.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = admins.get(i); |
| if (length < admin.minimumPasswordMetrics.lowerCase) { |
| length = admin.minimumPasswordMetrics.lowerCase; |
| } |
| } |
| return length; |
| } |
| } |
| |
| @Override |
| public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked( |
| who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); |
| if (ap.minimumPasswordMetrics.letters != length) { |
| ap.minimumPasswordMetrics.letters = length; |
| saveSettingsLocked(mInjector.userHandleGetCallingUserId()); |
| } |
| } |
| } |
| |
| @Override |
| public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); |
| return admin != null ? admin.minimumPasswordMetrics.letters : length; |
| } |
| |
| // Return the strictest policy across all participating admins. |
| List<ActiveAdmin> admins = |
| getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); |
| final int N = admins.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = admins.get(i); |
| if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { |
| continue; |
| } |
| if (length < admin.minimumPasswordMetrics.letters) { |
| length = admin.minimumPasswordMetrics.letters; |
| } |
| } |
| return length; |
| } |
| } |
| |
| @Override |
| public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked( |
| who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); |
| if (ap.minimumPasswordMetrics.numeric != length) { |
| ap.minimumPasswordMetrics.numeric = length; |
| saveSettingsLocked(mInjector.userHandleGetCallingUserId()); |
| } |
| } |
| } |
| |
| @Override |
| public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); |
| return admin != null ? admin.minimumPasswordMetrics.numeric : length; |
| } |
| |
| // Return the strictest policy across all participating admins. |
| List<ActiveAdmin> admins = |
| getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); |
| final int N = admins.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = admins.get(i); |
| if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { |
| continue; |
| } |
| if (length < admin.minimumPasswordMetrics.numeric) { |
| length = admin.minimumPasswordMetrics.numeric; |
| } |
| } |
| return length; |
| } |
| } |
| |
| @Override |
| public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked( |
| who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); |
| if (ap.minimumPasswordMetrics.symbols != length) { |
| ap.minimumPasswordMetrics.symbols = length; |
| saveSettingsLocked(mInjector.userHandleGetCallingUserId()); |
| } |
| } |
| } |
| |
| @Override |
| public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); |
| return admin != null ? admin.minimumPasswordMetrics.symbols : length; |
| } |
| |
| // Return the strictest policy across all participating admins. |
| List<ActiveAdmin> admins = |
| getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); |
| final int N = admins.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = admins.get(i); |
| if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { |
| continue; |
| } |
| if (length < admin.minimumPasswordMetrics.symbols) { |
| length = admin.minimumPasswordMetrics.symbols; |
| } |
| } |
| return length; |
| } |
| } |
| |
| @Override |
| public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked( |
| who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); |
| if (ap.minimumPasswordMetrics.nonLetter != length) { |
| ap.minimumPasswordMetrics.nonLetter = length; |
| saveSettingsLocked(mInjector.userHandleGetCallingUserId()); |
| } |
| } |
| } |
| |
| @Override |
| public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); |
| return admin != null ? admin.minimumPasswordMetrics.nonLetter : length; |
| } |
| |
| // Return the strictest policy across all participating admins. |
| List<ActiveAdmin> admins = |
| getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); |
| final int N = admins.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = admins.get(i); |
| if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { |
| continue; |
| } |
| if (length < admin.minimumPasswordMetrics.nonLetter) { |
| length = admin.minimumPasswordMetrics.nonLetter; |
| } |
| } |
| return length; |
| } |
| } |
| |
| @Override |
| public boolean isActivePasswordSufficient(int userHandle, boolean parent) { |
| if (!mHasFeature) { |
| return true; |
| } |
| enforceFullCrossUsersPermission(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_LIMIT_PASSWORD, parent); |
| DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); |
| return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); |
| } |
| } |
| |
| @Override |
| public boolean isProfileActivePasswordSufficientForParent(int userHandle) { |
| if (!mHasFeature) { |
| return true; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); |
| |
| synchronized (this) { |
| int targetUser = getProfileParentId(userHandle); |
| DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); |
| return isActivePasswordSufficientForUserLocked(policy, targetUser, false); |
| } |
| } |
| |
| private boolean isActivePasswordSufficientForUserLocked( |
| DevicePolicyData policy, int userHandle, boolean parent) { |
| enforceUserUnlocked(userHandle, parent); |
| |
| final int requiredPasswordQuality = getPasswordQuality(null, userHandle, parent); |
| if (policy.mActivePasswordMetrics.quality < requiredPasswordQuality) { |
| return false; |
| } |
| if (requiredPasswordQuality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC |
| && policy.mActivePasswordMetrics.length < getPasswordMinimumLength( |
| null, userHandle, parent)) { |
| return false; |
| } |
| if (requiredPasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { |
| return true; |
| } |
| return policy.mActivePasswordMetrics.upperCase >= getPasswordMinimumUpperCase( |
| null, userHandle, parent) |
| && policy.mActivePasswordMetrics.lowerCase >= getPasswordMinimumLowerCase( |
| null, userHandle, parent) |
| && policy.mActivePasswordMetrics.letters >= getPasswordMinimumLetters( |
| null, userHandle, parent) |
| && policy.mActivePasswordMetrics.numeric >= getPasswordMinimumNumeric( |
| null, userHandle, parent) |
| && policy.mActivePasswordMetrics.symbols >= getPasswordMinimumSymbols( |
| null, userHandle, parent) |
| && policy.mActivePasswordMetrics.nonLetter >= getPasswordMinimumNonLetter( |
| null, userHandle, parent); |
| } |
| |
| @Override |
| public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized (this) { |
| if (!isCallerWithSystemUid()) { |
| // 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, parent); |
| } |
| |
| DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); |
| |
| return policy.mFailedPasswordAttempts; |
| } |
| } |
| |
| @Override |
| public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { |
| if (!mHasFeature) { |
| return; |
| } |
| 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_WIPE_DATA, parent); |
| ActiveAdmin ap = getActiveAdminForCallerLocked( |
| who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); |
| if (ap.maximumFailedPasswordsForWipe != num) { |
| ap.maximumFailedPasswordsForWipe = num; |
| saveSettingsLocked(mInjector.userHandleGetCallingUserId()); |
| } |
| } |
| } |
| |
| @Override |
| public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized (this) { |
| ActiveAdmin admin = (who != null) |
| ? getActiveAdminUncheckedLocked(who, userHandle, parent) |
| : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); |
| return admin != null ? admin.maximumFailedPasswordsForWipe : 0; |
| } |
| } |
| |
| @Override |
| public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { |
| if (!mHasFeature) { |
| return UserHandle.USER_NULL; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized (this) { |
| ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( |
| userHandle, parent); |
| return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; |
| } |
| } |
| |
| /** |
| * Returns the admin with the strictest policy on maximum failed passwords for: |
| * <ul> |
| * <li>this user if it has a separate profile challenge, or |
| * <li>this user and all profiles that don't have their own challenge otherwise. |
| * </ul> |
| * <p>If the policy for the primary and any other profile are equal, it returns the admin for |
| * the primary profile. |
| * Returns {@code null} if no participating admin has that policy set. |
| */ |
| private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( |
| int userHandle, boolean parent) { |
| int count = 0; |
| ActiveAdmin strictestAdmin = null; |
| |
| // Return the strictest policy across all participating admins. |
| List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); |
| final int N = admins.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = admins.get(i); |
| 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. |
| int userId = admin.getUserHandle().getIdentifier(); |
| if (count == 0 || |
| count > admin.maximumFailedPasswordsForWipe || |
| (count == admin.maximumFailedPasswordsForWipe && |
| getUserInfo(userId).isPrimary())) { |
| count = admin.maximumFailedPasswordsForWipe; |
| strictestAdmin = admin; |
| } |
| } |
| return strictestAdmin; |
| } |
| |
| private UserInfo getUserInfo(@UserIdInt int userId) { |
| final long token = mInjector.binderClearCallingIdentity(); |
| try { |
| return mUserManager.getUserInfo(userId); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { |
| if (!mHasFeature) { |
| return false; |
| } |
| final int callingUid = mInjector.binderGetCallingUid(); |
| final int userHandle = mInjector.userHandleGetCallingUserId(); |
| |
| String password = passwordOrNull != null ? passwordOrNull : ""; |
| |
| // Password resetting to empty/null is not allowed for managed profiles. |
| if (TextUtils.isEmpty(password)) { |
| enforceNotManagedProfile(userHandle, "clear the active password"); |
| } |
| |
| int quality; |
| synchronized (this) { |
| // If caller has PO (or DO) it can change the password, so see if that's the case first. |
| ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( |
| null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); |
| final boolean preN; |
| if (admin != null) { |
| preN = getTargetSdk(admin.info.getPackageName(), |
| userHandle) <= android.os.Build.VERSION_CODES.M; |
| } else { |
| // Otherwise, make sure the caller has any active admin with the right policy. |
| admin = getActiveAdminForCallerLocked(null, |
| DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); |
| preN = getTargetSdk(admin.info.getPackageName(), |
| userHandle) <= android.os.Build.VERSION_CODES.M; |
| |
| // As of N, password resetting to empty/null is not allowed anymore. |
| // TODO Should we allow DO/PO to set an empty password? |
| if (TextUtils.isEmpty(password)) { |
| if (!preN) { |
| throw new SecurityException("Cannot call with null password"); |
| } else { |
| Slog.e(LOG_TAG, "Cannot call with null password"); |
| return false; |
| } |
| } |
| // As of N, password cannot be changed by the admin if it is already set. |
| if (isLockScreenSecureUnchecked(userHandle)) { |
| if (!preN) { |
| throw new SecurityException("Admin cannot change current password"); |
| } else { |
| Slog.e(LOG_TAG, "Admin cannot change current password"); |
| return false; |
| } |
| } |
| } |
| // Do not allow to reset password when current user has a managed profile |
| if (!isManagedProfile(userHandle)) { |
| for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { |
| if (userInfo.isManagedProfile()) { |
| if (!preN) { |
| throw new IllegalStateException( |
| "Cannot reset password on user has managed profile"); |
| } else { |
| Slog.e(LOG_TAG, "Cannot reset password on user has managed profile"); |
| return false; |
| } |
| } |
| } |
| } |
| // Do not allow to reset password when user is locked |
| if (!mUserManager.isUserUnlocked(userHandle)) { |
| if (!preN) { |
| throw new IllegalStateException("Cannot reset password when user is locked"); |
| } else { |
| Slog.e(LOG_TAG, "Cannot reset password when user is locked"); |
| return false; |
| } |
| } |
| |
| quality = getPasswordQuality(null, userHandle, /* parent */ false); |
| if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { |
| quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; |
| } |
| final PasswordMetrics metrics = PasswordMetrics.computeForPassword(password); |
| if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { |
| final int realQuality = metrics.quality; |
| 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, /* parent */ false); |
| 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 neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); |
| if(metrics.letters < neededLetters) { |
| Slog.w(LOG_TAG, "resetPassword: number of letters " + metrics.letters |
| + " does not meet required number of letters " + neededLetters); |
| return false; |
| } |
| int neededNumeric = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); |
| if (metrics.numeric < neededNumeric) { |
| Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + metrics.numeric |
| + " does not meet required number of numerical digits " |
| + neededNumeric); |
| return false; |
| } |
| int neededLowerCase = getPasswordMinimumLowerCase( |
| null, userHandle, /* parent */ false); |
| if (metrics.lowerCase < neededLowerCase) { |
| Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " |
| + metrics.lowerCase |
| + " does not meet required number of lowercase letters " |
| + neededLowerCase); |
| return false; |
| } |
| int neededUpperCase = getPasswordMinimumUpperCase( |
| null, userHandle, /* parent */ false); |
| if (metrics.upperCase < neededUpperCase) { |
| Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " |
| + metrics.upperCase |
| + " does not meet required number of uppercase letters " |
| + neededUpperCase); |
| return false; |
| } |
| int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); |
| if (metrics.symbols < neededSymbols) { |
| Slog.w(LOG_TAG, "resetPassword: number of special symbols " + metrics.symbols |
| + " does not meet required number of special symbols " + neededSymbols); |
| return false; |
| } |
| int neededNonLetter = getPasswordMinimumNonLetter( |
| null, userHandle, /* parent */ false); |
| if (metrics.nonLetter < neededNonLetter) { |
| Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " |
| + metrics.nonLetter |
| + " does not meet required number of non-letter characters " |
| + neededNonLetter); |
| return false; |
| } |
| } |
| } |
| |
| 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 = isCallerDeviceOwner(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. |
| final long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| if (!TextUtils.isEmpty(password)) { |
| mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); |
| } else { |
| mLockPatternUtils.clearLock(userHandle); |
| } |
| boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; |
| if (requireEntry) { |
| mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, |
| UserHandle.USER_ALL); |
| } |
| synchronized (this) { |
| int newOwner = requireEntry ? callingUid : -1; |
| if (policy.mPasswordOwner != newOwner) { |
| policy.mPasswordOwner = newOwner; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| |
| return true; |
| } |
| |
| private boolean isLockScreenSecureUnchecked(int userId) { |
| long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| return mLockPatternUtils.isSecure(userId); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| |
| private void setDoNotAskCredentialsOnBoot() { |
| synchronized (this) { |
| DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); |
| if (!policyData.doNotAskCredentialsOnBoot) { |
| policyData.doNotAskCredentialsOnBoot = true; |
| saveSettingsLocked(UserHandle.USER_SYSTEM); |
| } |
| } |
| } |
| |
| @Override |
| public boolean getDoNotAskCredentialsOnBoot() { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); |
| synchronized (this) { |
| DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); |
| return policyData.doNotAskCredentialsOnBoot; |
| } |
| } |
| |
| @Override |
| public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = mInjector.userHandleGetCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked( |
| who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); |
| if (ap.maximumTimeToUnlock != timeMs) { |
| ap.maximumTimeToUnlock = timeMs; |
| saveSettingsLocked(userHandle); |
| updateMaximumTimeToLockLocked(userHandle); |
| } |
| } |
| } |
| |
| void updateMaximumTimeToLockLocked(int userHandle) { |
| // Calculate the min timeout for all profiles - including the ones with a separate |
| // challenge. Ideally if the timeout only affected the profile challenge we'd lock that |
| // challenge only and keep the screen on. However there is no easy way of doing that at the |
| // moment so we set the screen off timeout regardless of whether it affects the parent user |
| // or the profile challenge only. |
| long timeMs = Long.MAX_VALUE; |
| int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); |
| for (int profileId : profileIds) { |
| DevicePolicyData policy = getUserDataUnchecked(profileId); |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (admin.maximumTimeToUnlock > 0 |
| && timeMs > admin.maximumTimeToUnlock) { |
| timeMs = admin.maximumTimeToUnlock; |
| } |
| // If userInfo.id is a managed profile, we also need to look at |
| // the policies set on the parent. |
| if (admin.hasParentActiveAdmin()) { |
| final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); |
| if (parentAdmin.maximumTimeToUnlock > 0 |
| && timeMs > parentAdmin.maximumTimeToUnlock) { |
| timeMs = parentAdmin.maximumTimeToUnlock; |
| } |
| } |
| } |
| } |
| |
| // We only store the last maximum time to lock on the parent profile. So if calling from a |
| // managed profile, retrieve the policy for the parent. |
| DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); |
| if (policy.mLastMaximumTimeToLock == timeMs) { |
| return; |
| } |
| policy.mLastMaximumTimeToLock = timeMs; |
| |
| final long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { |
| // Make sure KEEP_SCREEN_ON is disabled, since that |
| // would allow bypassing of the maximum time to lock. |
| mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); |
| } |
| |
| mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( |
| (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override |
| public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized (this) { |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); |
| return admin != null ? admin.maximumTimeToUnlock : 0; |
| } |
| // Return the strictest policy across all participating admins. |
| List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( |
| userHandle, parent); |
| return getMaximumTimeToLockPolicyFromAdmins(admins); |
| } |
| } |
| |
| @Override |
| public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized (this) { |
| // All admins for this user. |
| ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); |
| for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { |
| DevicePolicyData policy = getUserData(userInfo.id); |
| admins.addAll(policy.mAdminList); |
| // If it is a managed profile, it may have parent active admins |
| if (userInfo.isManagedProfile()) { |
| for (ActiveAdmin admin : policy.mAdminList) { |
| if (admin.hasParentActiveAdmin()) { |
| admins.add(admin.getParentActiveAdmin()); |
| } |
| } |
| } |
| } |
| return getMaximumTimeToLockPolicyFromAdmins(admins); |
| } |
| } |
| |
| private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { |
| long time = 0; |
| final int N = admins.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = admins.get(i); |
| if (time == 0) { |
| time = admin.maximumTimeToUnlock; |
| } else if (admin.maximumTimeToUnlock != 0 |
| && time > admin.maximumTimeToUnlock) { |
| time = admin.maximumTimeToUnlock; |
| } |
| } |
| return time; |
| } |
| |
| @Override |
| public void setRequiredStrongAuthTimeout(ComponentName who, long timeoutMs, |
| boolean parent) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| Preconditions.checkArgument(timeoutMs >= 0, "Timeout must not be a negative number."); |
| // timeoutMs with value 0 means that the admin doesn't participate |
| // timeoutMs is clamped to the interval in case the internal constants change in the future |
| final long minimumStrongAuthTimeout = getMinimumStrongAuthTimeoutMs(); |
| if (timeoutMs != 0 && timeoutMs < minimumStrongAuthTimeout) { |
| timeoutMs = minimumStrongAuthTimeout; |
| } |
| if (timeoutMs > DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { |
| timeoutMs = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; |
| } |
| |
| final int userHandle = mInjector.userHandleGetCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, parent); |
| if (ap.strongAuthUnlockTimeout != timeoutMs) { |
| ap.strongAuthUnlockTimeout = timeoutMs; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| /** |
| * Return a single admin's strong auth unlock timeout or minimum value (strictest) of all |
| * admins if who is null. |
| * Returns 0 if not configured for the provided admin. |
| */ |
| @Override |
| public long getRequiredStrongAuthTimeout(ComponentName who, int userId, boolean parent) { |
| if (!mHasFeature) { |
| return DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; |
| } |
| enforceFullCrossUsersPermission(userId); |
| synchronized (this) { |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userId, parent); |
| return admin != null ? admin.strongAuthUnlockTimeout : 0; |
| } |
| |
| // Return the strictest policy across all participating admins. |
| List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userId, parent); |
| |
| long strongAuthUnlockTimeout = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; |
| for (int i = 0; i < admins.size(); i++) { |
| final long timeout = admins.get(i).strongAuthUnlockTimeout; |
| if (timeout != 0) { // take only participating admins into account |
| strongAuthUnlockTimeout = Math.min(timeout, strongAuthUnlockTimeout); |
| } |
| } |
| return Math.max(strongAuthUnlockTimeout, getMinimumStrongAuthTimeoutMs()); |
| } |
| } |
| |
| private long getMinimumStrongAuthTimeoutMs() { |
| if (!mInjector.isBuildDebuggable()) { |
| return MINIMUM_STRONG_AUTH_TIMEOUT_MS; |
| } |
| // ideally the property was named persist.sys.min_strong_auth_timeout, but system property |
| // name cannot be longer than 31 characters |
| return Math.min(mInjector.systemPropertiesGetLong("persist.sys.min_str_auth_timeo", |
| MINIMUM_STRONG_AUTH_TIMEOUT_MS), |
| MINIMUM_STRONG_AUTH_TIMEOUT_MS); |
| } |
| |
| @Override |
| public void lockNow(int flags, boolean parent) { |
| if (!mHasFeature) { |
| return; |
| } |
| |
| final int callingUserId = mInjector.userHandleGetCallingUserId(); |
| 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_FORCE_LOCK, parent); |
| |
| final long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| // Evict key |
| if ((flags & DevicePolicyManager.FLAG_EVICT_CE_KEY) != 0) { |
| enforceManagedProfile(callingUserId, "set FLAG_EVICT_CE_KEY"); |
| if (!isProfileOwner(admin.info.getComponent(), callingUserId)) { |
| throw new SecurityException( |
| "Only profile owner admins can set FLAG_EVICT_CE_KEY"); |
| } |
| if (parent) { |
| throw new IllegalArgumentException( |
| "Cannot set FLAG_EVICT_CE_KEY for the parent"); |
| } |
| if (!mInjector.storageManagerIsFileBasedEncryptionEnabled()) { |
| throw new UnsupportedOperationException( |
| "FLAG_EVICT_CE_KEY only applies to FBE devices"); |
| } |
| mUserManager.evictCredentialEncryptionKey(callingUserId); |
| } |
| |
| // Lock all users unless this is a managed profile with a separate challenge |
| final int userToLock = (parent || !isSeparateProfileChallengeEnabled(callingUserId) |
| ? UserHandle.USER_ALL : callingUserId); |
| mLockPatternUtils.requireStrongAuth( |
| STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); |
| |
| // Require authentication for the device or profile |
| if (userToLock == UserHandle.USER_ALL) { |
| // Power off the display |
| mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), |
| PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); |
| mInjector.getIWindowManager().lockNow(null); |
| } else { |
| mInjector.getTrustManager().setDeviceLockedForUser(userToLock, true); |
| } |
| } catch (RemoteException e) { |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| @Override |
| public void enforceCanManageCaCerts(ComponentName who) { |
| if (who == null) { |
| if (!isCallerDelegatedCertInstaller()) { |
| mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); |
| } |
| } else { |
| enforceProfileOrDeviceOwner(who); |
| } |
| } |
| |
| private void enforceProfileOrDeviceOwner(ComponentName who) { |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| } |
| } |
| |
| private void enforceCanManageInstalledKeys(ComponentName who) { |
| if (who == null) { |
| if (!isCallerDelegatedCertInstaller()) { |
| throw new SecurityException("who == null, but caller is not cert installer"); |
| } |
| } else { |
| enforceProfileOrDeviceOwner(who); |
| } |
| } |
| |
| private boolean isCallerDelegatedCertInstaller() { |
| final int callingUid = mInjector.binderGetCallingUid(); |
| final int userHandle = UserHandle.getUserId(callingUid); |
| synchronized (this) { |
| final DevicePolicyData policy = getUserData(userHandle); |
| if (policy.mDelegatedCertInstallerPackage == null) { |
| return false; |
| } |
| |
| try { |
| int uid = mInjector.getPackageManager().getPackageUidAsUser( |
| policy.mDelegatedCertInstallerPackage, userHandle); |
| return uid == callingUid; |
| } catch (NameNotFoundException e) { |
| return false; |
| } |
| } |
| } |
| |
| @Override |
| public boolean approveCaCert(String alias, int userId, boolean approval) { |
| enforceManageUsers(); |
| synchronized (this) { |
| Set<String> certs = getUserData(userId).mAcceptedCaCertificates; |
| boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); |
| if (!changed) { |
| return false; |
| } |
| saveSettingsLocked(userId); |
| } |
| new MonitoringCertNotificationTask().execute(userId); |
| return true; |
| } |
| |
| @Override |
| public boolean isCaCertApproved(String alias, int userId) { |
| enforceManageUsers(); |
| synchronized (this) { |
| return getUserData(userId).mAcceptedCaCertificates.contains(alias); |
| } |
| } |
| |
| private void removeCaApprovalsIfNeeded(int userId) { |
| for (UserInfo userInfo : mUserManager.getProfiles(userId)) { |
| boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); |
| if (userInfo.isManagedProfile()){ |
| isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); |
| } |
| if (!isSecure) { |
| synchronized (this) { |
| getUserData(userInfo.id).mAcceptedCaCertificates.clear(); |
| saveSettingsLocked(userInfo.id); |
| } |
| |
| new MonitoringCertNotificationTask().execute(userInfo.id); |
| } |
| } |
| } |
| |
| @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 = mInjector.binderClearCallingIdentity(); |
| 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 { |
| mInjector.binderRestoreCallingIdentity(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 uninstallCaCerts(ComponentName admin, String[] aliases) { |
| enforceCanManageCaCerts(admin); |
| |
| final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); |
| final long id = mInjector.binderClearCallingIdentity(); |
| try { |
| final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); |
| try { |
| for (int i = 0 ; i < aliases.length; i++) { |
| keyChainConnection.getService().deleteCaCertificate(aliases[i]); |
| } |
| } 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 { |
| mInjector.binderRestoreCallingIdentity(id); |
| } |
| } |
| |
| @Override |
| public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, byte[] chain, |
| String alias, boolean requestAccess) { |
| enforceCanManageInstalledKeys(who); |
| |
| final int callingUid = mInjector.binderGetCallingUid(); |
| final long id = mInjector.binderClearCallingIdentity(); |
| try { |
| final KeyChainConnection keyChainConnection = |
| KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); |
| try { |
| IKeyChainService keyChain = keyChainConnection.getService(); |
| if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { |
| return false; |
| } |
| if (requestAccess) { |
| keyChain.setGrant(callingUid, alias, true); |
| } |
| return true; |
| } 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 { |
| mInjector.binderRestoreCallingIdentity(id); |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean removeKeyPair(ComponentName who, String alias) { |
| enforceCanManageInstalledKeys(who); |
| |
| 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.removeKeyPair(alias); |
| } catch (RemoteException e) { |
| Log.e(LOG_TAG, "Removing keypair", e); |
| } finally { |
| keyChainConnection.close(); |
| } |
| } catch (InterruptedException e) { |
| Log.w(LOG_TAG, "Interrupted while removing keypair", e); |
| Thread.currentThread().interrupt(); |
| } finally { |
| Binder.restoreCallingIdentity(id); |
| } |
| return false; |
| } |
| |
| @Override |
| public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, |
| final IBinder response) { |
| // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. |
| if (!isCallerWithSystemUid()) { |
| return; |
| } |
| |
| final UserHandle caller = mInjector.binderGetCallingUserHandle(); |
| // If there is a profile owner, redirect to that; otherwise query the device owner. |
| ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); |
| if (aliasChooser == null && caller.isSystem()) { |
| ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); |
| if (deviceOwnerAdmin != null) { |
| aliasChooser = deviceOwnerAdmin.info.getComponent(); |
| } |
| } |
| if (aliasChooser == null) { |
| sendPrivateKeyAliasResponse(null, response); |
| return; |
| } |
| |
| Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); |
| intent.setComponent(aliasChooser); |
| intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); |
| intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); |
| intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); |
| intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); |
| intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); |
| |
| final long id = mInjector.binderClearCallingIdentity(); |
| 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 { |
| mInjector.binderRestoreCallingIdentity(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); |
| if (getTargetSdk(who.getPackageName(), userHandle) >= Build.VERSION_CODES.N) { |
| if (installerPackage != null && |
| !isPackageInstalledForUser(installerPackage, userHandle)) { |
| throw new IllegalArgumentException("Package " + installerPackage |
| + " is not installed on the current user"); |
| } |
| } |
| 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; |
| } |
| } |
| |
| /** |
| * @return {@code true} if the package is installed and set as always-on, {@code false} if it is |
| * not installed and therefore not available. |
| * |
| * @throws SecurityException if the caller is not a profile or device owner. |
| * @throws UnsupportedOperationException if the package does not support being set as always-on. |
| */ |
| @Override |
| public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) |
| throws SecurityException { |
| enforceProfileOrDeviceOwner(admin); |
| |
| final int userId = mInjector.userHandleGetCallingUserId(); |
| final long token = mInjector.binderClearCallingIdentity(); |
| try { |
| if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { |
| return false; |
| } |
| ConnectivityManager connectivityManager = (ConnectivityManager) |
| mContext.getSystemService(Context.CONNECTIVITY_SERVICE); |
| if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { |
| throw new UnsupportedOperationException(); |
| } |
| } finally { |
| mInjector.binderRestoreCallingIdentity(token); |
| } |
| return true; |
| } |
| |
| @Override |
| public String getAlwaysOnVpnPackage(ComponentName admin) |
| throws SecurityException { |
| enforceProfileOrDeviceOwner(admin); |
| |
| final int userId = mInjector.userHandleGetCallingUserId(); |
| final long token = mInjector.binderClearCallingIdentity(); |
| try{ |
| ConnectivityManager connectivityManager = (ConnectivityManager) |
| mContext.getSystemService(Context.CONNECTIVITY_SERVICE); |
| return connectivityManager.getAlwaysOnVpnPackageForUser(userId); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(token); |
| } |
| } |
| |
| private void wipeDataNoLock(boolean wipeExtRequested, String reason, boolean force) { |
| wtfIfInLock(); |
| |
| if (wipeExtRequested) { |
| StorageManager sm = (StorageManager) mContext.getSystemService( |
| Context.STORAGE_SERVICE); |
| sm.wipeAdoptableDisks(); |
| } |
| try { |
| RecoverySystem.rebootWipeUserData(mContext, false /* shutdown */, reason, force); |
| } catch (IOException | SecurityException e) { |
| Slog.w(LOG_TAG, "Failed requesting data wipe", e); |
| } |
| } |
| |
| @Override |
| public void wipeData(int flags) { |
| if (!mHasFeature) { |
| return; |
| } |
| final int userHandle = mInjector.userHandleGetCallingUserId(); |
| enforceFullCrossUsersPermission(userHandle); |
| |
| final String source; |
| 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); |
| source = admin.info.getComponent().flattenToShortString(); |
| |
| long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| final String restriction; |
| if (userHandle == UserHandle.USER_SYSTEM) { |
| restriction = UserManager.DISALLOW_FACTORY_RESET; |
| } else if (isManagedProfile(userHandle)) { |
| restriction = UserManager.DISALLOW_REMOVE_MANAGED_PROFILE; |
| } else { |
| restriction = UserManager.DISALLOW_REMOVE_USER; |
| } |
| if (isAdminAffectedByRestriction( |
| admin.info.getComponent(), restriction, userHandle)) { |
| throw new SecurityException("Cannot wipe data. " + restriction |
| + " restriction is set for user " + userHandle); |
| } |
| |
| if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { |
| if (!isDeviceOwner(admin.info.getComponent(), userHandle)) { |
| 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(); |
| } |
| } |
| |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| final boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; |
| wipeDeviceNoLock(wipeExtRequested, userHandle, |
| "DevicePolicyManager.wipeData() from " + source, /*force=*/ true); |
| } |
| |
| private void wipeDeviceNoLock( |
| boolean wipeExtRequested, final int userHandle, String reason, boolean force) { |
| wtfIfInLock(); |
| |
| long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| // TODO If split user is enabled and the device owner is set in the primary user (rather |
| // than system), we should probably trigger factory reset. Current code just remove |
| // that user (but still clears FRP...) |
| if (userHandle == UserHandle.USER_SYSTEM) { |
| wipeDataNoLock(wipeExtRequested, reason, force); |
| } else { |
| try { |
| IActivityManager am = mInjector.getIActivityManager(); |
| if (am.getCurrentUser().id == userHandle) { |
| am.switchUser(UserHandle.USER_SYSTEM); |
| } |
| |
| boolean userRemoved = force |
| ? mUserManagerInternal.removeUserEvenWhenDisallowed(userHandle) |
| : mUserManager.removeUser(userHandle); |
| if (!userRemoved) { |
| Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); |
| } else if (isManagedProfile(userHandle)) { |
| sendWipeProfileNotification(); |
| } |
| } catch (RemoteException re) { |
| // Shouldn't happen |
| } |
| } |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| |
| private void sendWipeProfileNotification() { |
| String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); |
| Notification notification = new Notification.Builder(mContext) |
| .setSmallIcon(android.R.drawable.stat_sys_warning) |
| .setContentTitle(mContext.getString(R.string.work_profile_deleted)) |
| .setContentText(contentText) |
| .setColor(mContext.getColor(R.color.system_notification_accent_color)) |
| .setStyle(new Notification.BigTextStyle().bigText(contentText)) |
| .build(); |
| mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); |
| } |
| |
| private void clearWipeProfileNotification() { |
| mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); |
| } |
| |
| @Override |
| public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BIND_DEVICE_ADMIN, null); |
| |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); |
| if (admin == null) { |
| result.sendResult(null); |
| 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) { |
| result.sendResult(getResultExtras(false)); |
| } |
| }, null, Activity.RESULT_OK, null, null); |
| } |
| } |
| |
| @Override |
| public void setActivePasswordState(PasswordMetrics metrics, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BIND_DEVICE_ADMIN, null); |
| |
| // If the managed profile doesn't have a separate password, set the metrics to default |
| if (isManagedProfile(userHandle) && !isSeparateProfileChallengeEnabled(userHandle)) { |
| metrics = new PasswordMetrics(); |
| } |
| |
| validateQualityConstant(metrics.quality); |
| DevicePolicyData policy = getUserData(userHandle); |
| synchronized (this) { |
| policy.mActivePasswordMetrics = metrics; |
| } |
| } |
| |
| @Override |
| public void reportPasswordChanged(@UserIdInt int userId) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceFullCrossUsersPermission(userId); |
| |
| // Managed Profile password can only be changed when it has a separate challenge. |
| if (!isSeparateProfileChallengeEnabled(userId)) { |
| enforceNotManagedProfile(userId, "set the active password"); |
| } |
| |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BIND_DEVICE_ADMIN, null); |
| |
| DevicePolicyData policy = getUserData(userId); |
| |
| long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| synchronized (this) { |
| policy.mFailedPasswordAttempts = 0; |
| saveSettingsLocked(userId); |
| updatePasswordExpirationsLocked(userId); |
| setExpirationAlarmCheckLocked(mContext, userId, /* parent */ false); |
| |
| // Send a broadcast to each profile using this password as its primary unlock. |
| sendAdminCommandForLockscreenPoliciesLocked( |
| DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userId); |
| } |
| removeCaApprovalsIfNeeded(userId); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * Called any time the device password is updated. Resets all password expiration clocks. |
| */ |
| private void updatePasswordExpirationsLocked(int userHandle) { |
| ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); |
| List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( |
| userHandle, /* parent */ false); |
| final int N = admins.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = admins.get(i); |
| if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { |
| affectedUserIds.add(admin.getUserHandle().getIdentifier()); |
| long timeout = admin.passwordExpirationTimeout; |
| long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; |
| admin.passwordExpirationDate = expiration; |
| } |
| } |
| for (int affectedUserId : affectedUserIds) { |
| saveSettingsLocked(affectedUserId); |
| } |
| } |
| |
| @Override |
| public void reportFailedPasswordAttempt(int userHandle) { |
| enforceFullCrossUsersPermission(userHandle); |
| if (!isSeparateProfileChallengeEnabled(userHandle)) { |
| enforceNotManagedProfile(userHandle, |
| "report failed password attempt if separate profile challenge is not in place"); |
| } |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BIND_DEVICE_ADMIN, null); |
| |
| final long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| boolean wipeData = false; |
| int identifier = 0; |
| synchronized (this) { |
| DevicePolicyData policy = getUserData(userHandle); |
| policy.mFailedPasswordAttempts++; |
| saveSettingsLocked(userHandle); |
| if (mHasFeature) { |
| ActiveAdmin strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( |
| userHandle, /* parent */ false); |
| 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(); |
| } |
| |
| sendAdminCommandForLockscreenPoliciesLocked( |
| DeviceAdminReceiver.ACTION_PASSWORD_FAILED, |
| DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); |
| } |
| } |
| if (wipeData) { |
| // Call without holding lock. |
| wipeDeviceNoLock(false, identifier, "reportFailedPasswordAttempt()", false); |
| } |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| |
| if (mInjector.securityLogIsLoggingEnabled()) { |
| SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, |
| /*method strength*/ 1); |
| } |
| } |
| |
| @Override |
| public void reportSuccessfulPasswordAttempt(int userHandle) { |
| enforceFullCrossUsersPermission(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 = mInjector.binderClearCallingIdentity(); |
| try { |
| policy.mFailedPasswordAttempts = 0; |
| policy.mPasswordOwner = -1; |
| saveSettingsLocked(userHandle); |
| if (mHasFeature) { |
| sendAdminCommandForLockscreenPoliciesLocked( |
| DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, |
| DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); |
| } |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| if (mInjector.securityLogIsLoggingEnabled()) { |
| SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, |
| /*method strength*/ 1); |
| } |
| } |
| |
| @Override |
| public void reportFailedFingerprintAttempt(int userHandle) { |
| enforceFullCrossUsersPermission(userHandle); |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BIND_DEVICE_ADMIN, null); |
| if (mInjector.securityLogIsLoggingEnabled()) { |
| SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, |
| /*method strength*/ 0); |
| } |
| } |
| |
| @Override |
| public void reportSuccessfulFingerprintAttempt(int userHandle) { |
| enforceFullCrossUsersPermission(userHandle); |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BIND_DEVICE_ADMIN, null); |
| if (mInjector.securityLogIsLoggingEnabled()) { |
| SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, |
| /*method strength*/ 0); |
| } |
| } |
| |
| @Override |
| public void reportKeyguardDismissed(int userHandle) { |
| enforceFullCrossUsersPermission(userHandle); |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BIND_DEVICE_ADMIN, null); |
| |
| if (mInjector.securityLogIsLoggingEnabled()) { |
| SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); |
| } |
| } |
| |
| @Override |
| public void reportKeyguardSecured(int userHandle) { |
| enforceFullCrossUsersPermission(userHandle); |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BIND_DEVICE_ADMIN, null); |
| |
| if (mInjector.securityLogIsLoggingEnabled()) { |
| SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); |
| } |
| } |
| |
| @Override |
| public ComponentName setGlobalProxy(ComponentName who, String proxySpec, |
| String exclusionList) { |
| if (!mHasFeature) { |
| return null; |
| } |
| synchronized(this) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| |
| // Only check if system user has set global proxy. We don't allow other users to set it. |
| DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); |
| 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 system, don't set the global proxy. Fail silently. |
| if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { |
| 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 = mInjector.binderClearCallingIdentity(); |
| try { |
| resetGlobalProxyLocked(policy); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(origId); |
| } |
| return null; |
| } |
| } |
| |
| @Override |
| public ComponentName getGlobalProxyAdmin(int userHandle) { |
| if (!mHasFeature) { |
| return null; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| synchronized(this) { |
| DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); |
| // 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; |
| } |
| |
| @Override |
| public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| } |
| long token = mInjector.binderClearCallingIdentity(); |
| try { |
| ConnectivityManager connectivityManager = (ConnectivityManager) |
| mContext.getSystemService(Context.CONNECTIVITY_SERVICE); |
| connectivityManager.setGlobalProxy(proxyInfo); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(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(); |
| |
| ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); |
| if (!proxyProperties.isValid()) { |
| Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); |
| return; |
| } |
| mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); |
| mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); |
| mInjector.settingsGlobalPutString(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). |
| */ |
| @Override |
| 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 system user can set storage encryption |
| if (userHandle != UserHandle.USER_SYSTEM) { |
| Slog.w(LOG_TAG, "Only owner/system user 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_SYSTEM); |
| // (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. |
| */ |
| @Override |
| public boolean getStorageEncryption(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| enforceFullCrossUsersPermission(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. |
| */ |
| @Override |
| public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { |
| if (!mHasFeature) { |
| // Ok to return current status. |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| |
| // It's not critical here, but let's make sure the package name is correct, in case |
| // we start using it for different purposes. |
| ensureCallerPackage(callerPackage); |
| |
| final ApplicationInfo ai; |
| try { |
| ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); |
| } catch (RemoteException e) { |
| throw new SecurityException(e); |
| } |
| |
| boolean legacyApp = false; |
| if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { |
| legacyApp = true; |
| } |
| |
| final int rawStatus = getEncryptionStatus(); |
| if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { |
| return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; |
| } |
| return rawStatus; |
| } |
| |
| /** |
| * 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}, |
| * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or |
| * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. |
| */ |
| private int getEncryptionStatus() { |
| if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { |
| return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; |
| } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { |
| return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; |
| } else if (mInjector.storageManagerIsEncrypted()) { |
| return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; |
| } else if (mInjector.storageManagerIsEncryptable()) { |
| 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. |
| */ |
| @Override |
| 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). |
| */ |
| @Override |
| 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(final int userHandle, |
| final boolean disabled) { |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| try { |
| mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); |
| } catch (RemoteException e) { |
| Log.w(LOG_TAG, "Unable to notify WindowManager.", e); |
| } |
| } |
| }); |
| } |
| |
| /** |
| * Set whether auto time is required by the specified admin (must be device owner). |
| */ |
| @Override |
| 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 = mInjector.binderClearCallingIdentity(); |
| try { |
| mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| /** |
| * Returns whether or not auto time is required by the device owner. |
| */ |
| @Override |
| public boolean getAutoTimeRequired() { |
| if (!mHasFeature) { |
| return false; |
| } |
| synchronized (this) { |
| ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); |
| return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; |
| } |
| } |
| |
| @Override |
| public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| // Allow setting this policy to true only if there is a split system user. |
| if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { |
| throw new UnsupportedOperationException( |
| "Cannot force ephemeral users on systems without split system user."); |
| } |
| boolean removeAllUsers = false; |
| synchronized (this) { |
| final ActiveAdmin deviceOwner = |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { |
| deviceOwner.forceEphemeralUsers = forceEphemeralUsers; |
| saveSettingsLocked(mInjector.userHandleGetCallingUserId()); |
| mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); |
| removeAllUsers = forceEphemeralUsers; |
| } |
| } |
| if (removeAllUsers) { |
| long identitity = mInjector.binderClearCallingIdentity(); |
| try { |
| mUserManagerInternal.removeAllUsers(); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(identitity); |
| } |
| } |
| } |
| |
| @Override |
| public boolean getForceEphemeralUsers(ComponentName who) { |
| if (!mHasFeature) { |
| return false; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| final ActiveAdmin deviceOwner = |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| return deviceOwner.forceEphemeralUsers; |
| } |
| } |
| |
| private void ensureDeviceOwnerAndAllUsersAffiliated(ComponentName who) throws SecurityException { |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| if (!areAllUsersAffiliatedWithDeviceLocked()) { |
| throw new SecurityException("Not all users are affiliated."); |
| } |
| } |
| } |
| |
| @Override |
| public boolean requestBugreport(ComponentName who) { |
| if (!mHasFeature) { |
| return false; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| |
| // TODO: If an unaffiliated user is removed, the admin will be able to request a bugreport |
| // which could still contain data related to that user. Should we disallow that, e.g. until |
| // next boot? Might not be needed given that this still requires user consent. |
| ensureDeviceOwnerAndAllUsersAffiliated(who); |
| |
| if (mRemoteBugreportServiceIsActive.get() |
| || (getDeviceOwnerRemoteBugreportUri() != null)) { |
| Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); |
| return false; |
| } |
| |
| final long currentTime = System.currentTimeMillis(); |
| synchronized (this) { |
| DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); |
| if (currentTime > policyData.mLastBugReportRequestTime) { |
| policyData.mLastBugReportRequestTime = currentTime; |
| saveSettingsLocked(UserHandle.USER_SYSTEM); |
| } |
| } |
| |
| final long callingIdentity = mInjector.binderClearCallingIdentity(); |
| try { |
| mInjector.getIActivityManager().requestBugReport( |
| ActivityManager.BUGREPORT_OPTION_REMOTE); |
| |
| mRemoteBugreportServiceIsActive.set(true); |
| mRemoteBugreportSharingAccepted.set(false); |
| registerRemoteBugreportReceivers(); |
| mInjector.getNotificationManager().notifyAsUser(LOG_TAG, |
| RemoteBugreportUtils.NOTIFICATION_ID, |
| RemoteBugreportUtils.buildNotification(mContext, |
| DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); |
| mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, |
| RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); |
| return true; |
| } catch (RemoteException re) { |
| // should never happen |
| Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); |
| return false; |
| } finally { |
| mInjector.binderRestoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { |
| Intent intent = new Intent(action); |
| intent.setComponent(mOwners.getDeviceOwnerComponent()); |
| if (extras != null) { |
| intent.putExtras(extras); |
| } |
| mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); |
| } |
| |
| private synchronized String getDeviceOwnerRemoteBugreportUri() { |
| return mOwners.getDeviceOwnerRemoteBugreportUri(); |
| } |
| |
| private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, |
| String bugreportHash) { |
| mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); |
| } |
| |
| private void registerRemoteBugreportReceivers() { |
| try { |
| IntentFilter filterFinished = new IntentFilter( |
| DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, |
| RemoteBugreportUtils.BUGREPORT_MIMETYPE); |
| mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); |
| } catch (IntentFilter.MalformedMimeTypeException e) { |
| // should never happen, as setting a constant |
| Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); |
| } |
| IntentFilter filterConsent = new IntentFilter(); |
| filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); |
| filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); |
| mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); |
| } |
| |
| private void onBugreportFinished(Intent intent) { |
| mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); |
| mRemoteBugreportServiceIsActive.set(false); |
| Uri bugreportUri = intent.getData(); |
| String bugreportUriString = null; |
| if (bugreportUri != null) { |
| bugreportUriString = bugreportUri.toString(); |
| } |
| String bugreportHash = intent.getStringExtra( |
| DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); |
| if (mRemoteBugreportSharingAccepted.get()) { |
| shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); |
| mInjector.getNotificationManager().cancel(LOG_TAG, |
| RemoteBugreportUtils.NOTIFICATION_ID); |
| } else { |
| setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); |
| mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, |
| RemoteBugreportUtils.buildNotification(mContext, |
| DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), |
| UserHandle.ALL); |
| } |
| mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); |
| } |
| |
| private void onBugreportFailed() { |
| mRemoteBugreportServiceIsActive.set(false); |
| mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, |
| RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); |
| mRemoteBugreportSharingAccepted.set(false); |
| setDeviceOwnerRemoteBugreportUriAndHash(null, null); |
| mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); |
| Bundle extras = new Bundle(); |
| extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, |
| DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); |
| sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); |
| mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); |
| mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); |
| } |
| |
| private void onBugreportSharingAccepted() { |
| mRemoteBugreportSharingAccepted.set(true); |
| String bugreportUriString = null; |
| String bugreportHash = null; |
| synchronized (this) { |
| bugreportUriString = getDeviceOwnerRemoteBugreportUri(); |
| bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); |
| } |
| if (bugreportUriString != null) { |
| shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); |
| } else if (mRemoteBugreportServiceIsActive.get()) { |
| mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, |
| RemoteBugreportUtils.buildNotification(mContext, |
| DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), |
| UserHandle.ALL); |
| } |
| } |
| |
| private void onBugreportSharingDeclined() { |
| if (mRemoteBugreportServiceIsActive.get()) { |
| mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, |
| RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); |
| mRemoteBugreportServiceIsActive.set(false); |
| mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); |
| mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); |
| } |
| mRemoteBugreportSharingAccepted.set(false); |
| setDeviceOwnerRemoteBugreportUriAndHash(null, null); |
| sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); |
| } |
| |
| private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, |
| String bugreportHash) { |
| ParcelFileDescriptor pfd = null; |
| try { |
| if (bugreportUriString == null) { |
| throw new FileNotFoundException(); |
| } |
| Uri bugreportUri = Uri.parse(bugreportUriString); |
| pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); |
| |
| synchronized (this) { |
| Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); |
| intent.setComponent(mOwners.getDeviceOwnerComponent()); |
| intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); |
| intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); |
| mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), |
| bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION); |
| mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); |
| } |
| } catch (FileNotFoundException e) { |
| Bundle extras = new Bundle(); |
| extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, |
| DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); |
| sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); |
| } finally { |
| try { |
| if (pfd != null) { |
| pfd.close(); |
| } |
| } catch (IOException ex) { |
| // Ignore |
| } |
| mRemoteBugreportSharingAccepted.set(false); |
| setDeviceOwnerRemoteBugreportUriAndHash(null, null); |
| } |
| } |
| |
| /** |
| * Disables all device cameras according to the specified admin. |
| */ |
| @Override |
| public void setCameraDisabled(ComponentName who, boolean disabled) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = mInjector.userHandleGetCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); |
| if (ap.disableCamera != disabled) { |
| ap.disableCamera = disabled; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| // Tell the user manager that the restrictions have changed. |
| pushUserRestrictions(userHandle); |
| } |
| |
| /** |
| * Gets whether or not all device cameras are disabled for a given admin, or disabled for any |
| * active admins. |
| */ |
| @Override |
| public boolean getCameraDisabled(ComponentName who, int userHandle) { |
| return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); |
| } |
| |
| private boolean getCameraDisabled(ComponentName who, int userHandle, |
| boolean mergeDeviceOwnerRestriction) { |
| if (!mHasFeature) { |
| return false; |
| } |
| synchronized (this) { |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return (admin != null) ? admin.disableCamera : false; |
| } |
| // First, see if DO has set it. If so, it's device-wide. |
| if (mergeDeviceOwnerRestriction) { |
| final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); |
| if (deviceOwner != null && deviceOwner.disableCamera) { |
| return true; |
| } |
| } |
| |
| // Then check each device admin on the user. |
| 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; |
| } |
| } |
| |
| @Override |
| public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = mInjector.userHandleGetCallingUserId(); |
| if (isManagedProfile(userHandle)) { |
| if (parent) { |
| which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; |
| } else { |
| which = which & PROFILE_KEYGUARD_FEATURES; |
| } |
| } |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked( |
| who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); |
| if (ap.disabledKeyguardFeatures != which) { |
| ap.disabledKeyguardFeatures = which; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| /** |
| * Gets the disabled state for features in keyguard for the given admin, |
| * or the aggregate of all active admins if who is null. |
| */ |
| @Override |
| public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| final long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| synchronized (this) { |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); |
| return (admin != null) ? admin.disabledKeyguardFeatures : 0; |
| } |
| |
| final List<ActiveAdmin> admins; |
| if (!parent && isManagedProfile(userHandle)) { |
| // If we are being asked about a managed profile, just return keyguard features |
| // disabled by admins in the profile. |
| admins = getUserDataUnchecked(userHandle).mAdminList; |
| } else { |
| // Otherwise return those set by admins in the user and its profiles. |
| admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); |
| } |
| |
| int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; |
| final int N = admins.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = admins.get(i); |
| int userId = admin.getUserHandle().getIdentifier(); |
| boolean isRequestedUser = !parent && (userId == userHandle); |
| if (isRequestedUser || !isManagedProfile(userId)) { |
| // If we are being asked explicitly 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 { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override |
| public void setKeepUninstalledPackages(ComponentName who, List<String> packageList) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| Preconditions.checkNotNull(packageList, "packageList is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| admin.keepUninstalledPackages = packageList; |
| saveSettingsLocked(userHandle); |
| mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); |
| } |
| } |
| |
| @Override |
| public List<String> getKeepUninstalledPackages(ComponentName who) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| if (!mHasFeature) { |
| return null; |
| } |
| // TODO In split system user mode, allow apps on user 0 to query the list |
| synchronized (this) { |
| // Check if this is the device owner who is calling |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| return getKeepUninstalledPackagesLocked(); |
| } |
| } |
| |
| private List<String> getKeepUninstalledPackagesLocked() { |
| ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); |
| return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; |
| } |
| |
| @Override |
| public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { |
| if (!mHasFeature) { |
| return false; |
| } |
| if (admin == null |
| || !isPackageInstalledForUser(admin.getPackageName(), userId)) { |
| throw new IllegalArgumentException("Invalid component " + admin |
| + " for device owner"); |
| } |
| final boolean hasIncompatibleAccountsOrNonAdb = |
| hasIncompatibleAccountsOrNonAdbNoLock(userId, admin); |
| synchronized (this) { |
| enforceCanSetDeviceOwnerLocked(admin, userId, hasIncompatibleAccountsOrNonAdb); |
| final ActiveAdmin activeAdmin = getActiveAdminUncheckedLocked(admin, userId); |
| if (activeAdmin == null |
| || getUserData(userId).mRemovingAdmins.contains(admin)) { |
| throw new IllegalArgumentException("Not active admin: " + admin); |
| } |
| |
| // Shutting down backup manager service permanently. |
| long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| if (mInjector.getIBackupManager() != null) { |
| mInjector.getIBackupManager() |
| .setBackupServiceActive(UserHandle.USER_SYSTEM, false); |
| } |
| } catch (RemoteException e) { |
| throw new IllegalStateException("Failed deactivating backup service.", e); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| |
| if (isAdb()) { |
| // Log device owner provisioning was started using adb. |
| MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_DEVICE_OWNER); |
| } |
| |
| mOwners.setDeviceOwner(admin, ownerName, userId); |
| mOwners.writeDeviceOwner(); |
| updateDeviceOwnerLocked(); |
| setDeviceOwnerSystemPropertyLocked(); |
| |
| final Set<String> restrictions = |
| UserRestrictionsUtils.getDefaultEnabledForDeviceOwner(); |
| if (!restrictions.isEmpty()) { |
| for (String restriction : restrictions) { |
| activeAdmin.ensureUserRestrictions().putBoolean(restriction, true); |
| } |
| activeAdmin.defaultEnabledRestrictionsAlreadySet.addAll(restrictions); |
| Slog.i(LOG_TAG, "Enabled the following restrictions by default: " + restrictions); |
| |
| saveUserRestrictionsLocked(userId); |
| } |
| |
| ident = mInjector.binderClearCallingIdentity(); |
| try { |
| // TODO Send to system too? |
| mContext.sendBroadcastAsUser( |
| new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED), |
| UserHandle.of(userId)); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| Slog.i(LOG_TAG, "Device owner set: " + admin + " on user " + userId); |
| return true; |
| } |
| } |
| |
| @Override |
| public boolean hasDeviceOwner() { |
| enforceDeviceOwnerOrManageUsers(); |
| return mOwners.hasDeviceOwner(); |
| } |
| |
| boolean isDeviceOwner(ActiveAdmin admin) { |
| return isDeviceOwner(admin.info.getComponent(), admin.getUserHandle().getIdentifier()); |
| } |
| |
| public boolean isDeviceOwner(ComponentName who, int userId) { |
| synchronized (this) { |
| return mOwners.hasDeviceOwner() |
| && mOwners.getDeviceOwnerUserId() == userId |
| && mOwners.getDeviceOwnerComponent().equals(who); |
| } |
| } |
| |
| private boolean isDeviceOwnerPackage(String packageName, int userId) { |
| synchronized (this) { |
| return mOwners.hasDeviceOwner() |
| && mOwners.getDeviceOwnerUserId() == userId |
| && mOwners.getDeviceOwnerPackageName().equals(packageName); |
| } |
| } |
| |
| public boolean isProfileOwner(ComponentName who, int userId) { |
| final ComponentName profileOwner = getProfileOwner(userId); |
| return who != null && who.equals(profileOwner); |
| } |
| |
| @Override |
| public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { |
| if (!mHasFeature) { |
| return null; |
| } |
| if (!callingUserOnly) { |
| enforceManageUsers(); |
| } |
| synchronized (this) { |
| if (!mOwners.hasDeviceOwner()) { |
| return null; |
| } |
| if (callingUserOnly && mInjector.userHandleGetCallingUserId() != |
| mOwners.getDeviceOwnerUserId()) { |
| return null; |
| } |
| return mOwners.getDeviceOwnerComponent(); |
| } |
| } |
| |
| @Override |
| public int getDeviceOwnerUserId() { |
| if (!mHasFeature) { |
| return UserHandle.USER_NULL; |
| } |
| enforceManageUsers(); |
| synchronized (this) { |
| return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; |
| } |
| } |
| |
| /** |
| * Returns the "name" of the device owner. It'll work for non-DO users too, but requires |
| * MANAGE_USERS. |
| */ |
| @Override |
| public String getDeviceOwnerName() { |
| if (!mHasFeature) { |
| return null; |
| } |
| enforceManageUsers(); |
| synchronized (this) { |
| if (!mOwners.hasDeviceOwner()) { |
| return null; |
| } |
| // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) |
| // Should setDeviceOwner/ProfileOwner still take a name? |
| String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); |
| return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); |
| } |
| } |
| |
| /** Returns the active device owner or {@code null} if there is no device owner. */ |
| @VisibleForTesting |
| ActiveAdmin getDeviceOwnerAdminLocked() { |
| ComponentName component = mOwners.getDeviceOwnerComponent(); |
| if (component == null) { |
| return null; |
| } |
| |
| DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); |
| final int n = policy.mAdminList.size(); |
| for (int i = 0; i < n; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (component.equals(admin.info.getComponent())) { |
| return admin; |
| } |
| } |
| Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); |
| return null; |
| } |
| |
| @Override |
| public void clearDeviceOwner(String packageName) { |
| Preconditions.checkNotNull(packageName, "packageName is null"); |
| final int callingUid = mInjector.binderGetCallingUid(); |
| try { |
| int uid = mInjector.getPackageManager().getPackageUidAsUser(packageName, |
| UserHandle.getUserId(callingUid)); |
| if (uid != callingUid) { |
| throw new SecurityException("Invalid packageName"); |
| } |
| } catch (NameNotFoundException e) { |
| throw new SecurityException(e); |
| } |
| synchronized (this) { |
| final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); |
| final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); |
| if (!mOwners.hasDeviceOwner() |
| || !deviceOwnerComponent.getPackageName().equals(packageName) |
| || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { |
| throw new SecurityException( |
| "clearDeviceOwner can only be called by the device owner"); |
| } |
| enforceUserUnlocked(deviceOwnerUserId); |
| |
| final ActiveAdmin admin = getDeviceOwnerAdminLocked(); |
| long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| clearDeviceOwnerLocked(admin, deviceOwnerUserId); |
| removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); |
| Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); |
| mContext.sendBroadcastAsUser(intent, UserHandle.of(deviceOwnerUserId)); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| Slog.i(LOG_TAG, "Device owner removed: " + deviceOwnerComponent); |
| } |
| } |
| |
| private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { |
| if (admin != null) { |
| admin.disableCamera = false; |
| admin.userRestrictions = null; |
| admin.defaultEnabledRestrictionsAlreadySet.clear(); |
| admin.forceEphemeralUsers = false; |
| admin.isNetworkLoggingEnabled = false; |
| mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); |
| final DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); |
| policyData.mLastSecurityLogRetrievalTime = -1; |
| policyData.mLastBugReportRequestTime = -1; |
| policyData.mLastNetworkLogsRetrievalTime = -1; |
| saveSettingsLocked(UserHandle.USER_SYSTEM); |
| } |
| clearUserPoliciesLocked(userId); |
| |
| mOwners.clearDeviceOwner(); |
| mOwners.writeDeviceOwner(); |
| updateDeviceOwnerLocked(); |
| |
| mInjector.securityLogSetLoggingEnabledProperty(false); |
| mSecurityLogMonitor.stop(); |
| setNetworkLoggingActiveInternal(false); |
| |
| try { |
| if (mInjector.getIBackupManager() != null) { |
| // Reactivate backup service. |
| mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); |
| } |
| } catch (RemoteException e) { |
| throw new IllegalStateException("Failed reactivating backup service.", e); |
| } |
| } |
| |
| @Override |
| public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| if (who == null |
| || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { |
| throw new IllegalArgumentException("Component " + who |
| + " not installed for userId:" + userHandle); |
| } |
| final boolean hasIncompatibleAccountsOrNonAdb = |
| hasIncompatibleAccountsOrNonAdbNoLock(userHandle, who); |
| synchronized (this) { |
| enforceCanSetProfileOwnerLocked(who, userHandle, hasIncompatibleAccountsOrNonAdb); |
| |
| if (getActiveAdminUncheckedLocked(who, userHandle) == null |
| || getUserData(userHandle).mRemovingAdmins.contains(who)) { |
| throw new IllegalArgumentException("Not active admin: " + who); |
| } |
| |
| if (isAdb()) { |
| // Log profile owner provisioning was started using adb. |
| MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_PROFILE_OWNER); |
| } |
| |
| mOwners.setProfileOwner(who, ownerName, userHandle); |
| mOwners.writeProfileOwner(userHandle); |
| Slog.i(LOG_TAG, "Profile owner set: " + who + " on user " + userHandle); |
| |
| return true; |
| } |
| } |
| |
| @Override |
| public void clearProfileOwner(ComponentName who) { |
| if (!mHasFeature) { |
| return; |
| } |
| final UserHandle callingUser = mInjector.binderGetCallingUserHandle(); |
| final int userId = callingUser.getIdentifier(); |
| enforceNotManagedProfile(userId, "clear profile owner"); |
| enforceUserUnlocked(userId); |
| // Check if this is the profile owner who is calling |
| final ActiveAdmin admin = |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| synchronized (this) { |
| final long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| clearProfileOwnerLocked(admin, userId); |
| removeActiveAdminLocked(who, userId); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| Slog.i(LOG_TAG, "Profile owner " + who + " removed from user " + userId); |
| } |
| } |
| |
| public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { |
| if (admin != null) { |
| admin.disableCamera = false; |
| admin.userRestrictions = null; |
| admin.defaultEnabledRestrictionsAlreadySet.clear(); |
| } |
| clearUserPoliciesLocked(userId); |
| mOwners.removeProfileOwner(userId); |
| mOwners.writeProfileOwner(userId); |
| } |
| |
| @Override |
| public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| if (!mHasFeature) { |
| return; |
| } |
| |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| long token = mInjector.binderClearCallingIdentity(); |
| try { |
| mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(token); |
| } |
| } |
| } |
| |
| @Override |
| public CharSequence getDeviceOwnerLockScreenInfo() { |
| return mLockPatternUtils.getDeviceOwnerInfo(); |
| } |
| |
| private void clearUserPoliciesLocked(int userId) { |
| // Reset some of the user-specific policies |
| DevicePolicyData policy = getUserData(userId); |
| policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; |
| policy.mDelegatedCertInstallerPackage = null; |
| policy.mApplicationRestrictionsManagingPackage = null; |
| policy.mStatusBarDisabled = false; |
| policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; |
| saveSettingsLocked(userId); |
| |
| try { |
| mIPackageManager.updatePermissionFlagsForAllApps( |
| PackageManager.FLAG_PERMISSION_POLICY_FIXED, |
| 0 /* flagValues */, userId); |
| pushUserRestrictions(userId); |
| } catch (RemoteException re) { |
| // Shouldn't happen. |
| } |
| } |
| |
| @Override |
| public boolean hasUserSetupCompleted() { |
| return hasUserSetupCompleted(UserHandle.getCallingUserId()); |
| } |
| |
| // This checks only if the Setup Wizard has run. Since Wear devices pair before |
| // completing Setup Wizard, and pairing involves transferring user data, calling |
| // logic may want to check mIsWatch or mPaired in addition to hasUserSetupCompleted(). |
| private boolean hasUserSetupCompleted(int userHandle) { |
| if (!mHasFeature) { |
| return true; |
| } |
| return getUserData(userHandle).mUserSetupComplete; |
| } |
| |
| private boolean hasPaired(int userHandle) { |
| if (!mHasFeature) { |
| return true; |
| } |
| return getUserData(userHandle).mPaired; |
| } |
| |
| @Override |
| public int getUserProvisioningState() { |
| if (!mHasFeature) { |
| return DevicePolicyManager.STATE_USER_UNMANAGED; |
| } |
| int userHandle = mInjector.userHandleGetCallingUserId(); |
| return getUserProvisioningState(userHandle); |
| } |
| |
| private int getUserProvisioningState(int userHandle) { |
| return getUserData(userHandle).mUserProvisioningState; |
| } |
| |
| @Override |
| public void setUserProvisioningState(int newState, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| |
| if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) |
| && getManagedUserId(userHandle) == -1) { |
| // No managed device, user or profile, so setting provisioning state makes no sense. |
| throw new IllegalStateException("Not allowed to change provisioning state unless a " |
| + "device or profile owner is set."); |
| } |
| |
| synchronized (this) { |
| boolean transitionCheckNeeded = true; |
| |
| // Calling identity/permission checks. |
| if (isAdb()) { |
| // ADB shell can only move directly from un-managed to finalized as part of directly |
| // setting profile-owner or device-owner. |
| if (getUserProvisioningState(userHandle) != |
| DevicePolicyManager.STATE_USER_UNMANAGED |
| || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { |
| throw new IllegalStateException("Not allowed to change provisioning state " |
| + "unless current provisioning state is unmanaged, and new state is " |
| + "finalized."); |
| } |
| transitionCheckNeeded = false; |
| } else { |
| // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. |
| enforceCanManageProfileAndDeviceOwners(); |
| } |
| |
| final DevicePolicyData policyData = getUserData(userHandle); |
| if (transitionCheckNeeded) { |
| // Optional state transition check for non-ADB case. |
| checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); |
| } |
| policyData.mUserProvisioningState = newState; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| |
| private void checkUserProvisioningStateTransition(int currentState, int newState) { |
| // Valid transitions for normal use-cases. |
| switch (currentState) { |
| case DevicePolicyManager.STATE_USER_UNMANAGED: |
| // Can move to any state from unmanaged (except itself as an edge case).. |
| if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { |
| return; |
| } |
| break; |
| case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: |
| case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: |
| // Can only move to finalized from these states. |
| if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { |
| return; |
| } |
| break; |
| case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: |
| // Current user has a managed-profile, but current user is not managed, so |
| // rather than moving to finalized state, go back to unmanaged once |
| // profile provisioning is complete. |
| if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { |
| return; |
| } |
| break; |
| case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: |
| // Cannot transition out of finalized. |
| break; |
| } |
| |
| // Didn't meet any of the accepted state transition checks above, throw appropriate error. |
| throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " |
| + "from state [" + currentState + "]"); |
| } |
| |
| @Override |
| public void setProfileEnabled(ComponentName who) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| // Check if this is the profile owner who is calling |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| final int userId = UserHandle.getCallingUserId(); |
| enforceManagedProfile(userId, "enable the profile"); |
| // Check if the profile is already enabled. |
| UserInfo managedProfile = getUserInfo(userId); |
| if (managedProfile.isEnabled()) { |
| Slog.e(LOG_TAG, |
| "setProfileEnabled is called when the profile is already enabled"); |
| return; |
| } |
| long id = mInjector.binderClearCallingIdentity(); |
| try { |
| mUserManager.setUserEnabled(userId); |
| UserInfo parent = mUserManager.getProfileParent(userId); |
| Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); |
| intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | |
| Intent.FLAG_RECEIVER_FOREGROUND); |
| mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(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 = mInjector.binderClearCallingIdentity(); |
| try { |
| mUserManager.setUserName(userId, profileName); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(id); |
| } |
| } |
| |
| @Override |
| public ComponentName getProfileOwner(int userHandle) { |
| if (!mHasFeature) { |
| return null; |
| } |
| |
| synchronized (this) { |
| return mOwners.getProfileOwnerComponent(userHandle); |
| } |
| } |
| |
| // Returns the active profile owner for this user or null if the current user has no |
| // profile owner. |
| @VisibleForTesting |
| ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { |
| ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); |
| 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; |
| } |
| enforceManageUsers(); |
| 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 = mInjector.binderClearCallingIdentity(); |
| 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 { |
| mInjector.binderRestoreCallingIdentity(token); |
| } |
| } |
| |
| /** |
| * Calls wtfStack() if called with the DPMS lock held. |
| */ |
| private void wtfIfInLock() { |
| if (Thread.holdsLock(this)) { |
| Slog.wtfStack(LOG_TAG, "Shouldn't be called with DPMS lock held"); |
| } |
| } |
| |
| /** |
| * 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 unless hasIncompatibleAccountsOrNonAdb is true. |
| */ |
| private void enforceCanSetProfileOwnerLocked(@Nullable ComponentName owner, int userHandle, |
| boolean hasIncompatibleAccountsOrNonAdb) { |
| UserInfo info = 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 (mOwners.hasProfileOwner(userHandle)) { |
| throw new IllegalStateException("Trying to set the profile owner, but profile owner " |
| + "is already set."); |
| } |
| if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { |
| throw new IllegalStateException("Trying to set the profile owner, but the user " |
| + "already has a device owner."); |
| } |
| if (isAdb()) { |
| if ((mIsWatch || hasUserSetupCompleted(userHandle)) |
| && hasIncompatibleAccountsOrNonAdb) { |
| throw new IllegalStateException("Not allowed to set the profile owner because " |
| + "there are already some accounts on the profile"); |
| } |
| return; |
| } |
| enforceCanManageProfileAndDeviceOwners(); |
| if ((mIsWatch || hasUserSetupCompleted(userHandle)) && !isCallerWithSystemUid()) { |
| 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. |
| */ |
| private void enforceCanSetDeviceOwnerLocked(@Nullable ComponentName owner, int userId, |
| boolean hasIncompatibleAccountsOrNonAdb) { |
| if (!isAdb()) { |
| enforceCanManageProfileAndDeviceOwners(); |
| } |
| |
| final int code = checkDeviceOwnerProvisioningPreConditionLocked( |
| owner, userId, isAdb(), hasIncompatibleAccountsOrNonAdb); |
| switch (code) { |
| case CODE_OK: |
| return; |
| case CODE_HAS_DEVICE_OWNER: |
| throw new IllegalStateException( |
| "Trying to set the device owner, but device owner is already set."); |
| case CODE_USER_HAS_PROFILE_OWNER: |
| throw new IllegalStateException("Trying to set the device owner, but the user " |
| + "already has a profile owner."); |
| case CODE_USER_NOT_RUNNING: |
| throw new IllegalStateException("User not running: " + userId); |
| case CODE_NOT_SYSTEM_USER: |
| throw new IllegalStateException("User is not system user"); |
| case CODE_USER_SETUP_COMPLETED: |
| throw new IllegalStateException( |
| "Cannot set the device owner if the device is already set-up"); |
| case CODE_NONSYSTEM_USER_EXISTS: |
| throw new IllegalStateException("Not allowed to set the device owner because there " |
| + "are already several users on the device"); |
| case CODE_ACCOUNTS_NOT_EMPTY: |
| throw new IllegalStateException("Not allowed to set the device owner because there " |
| + "are already some accounts on the device"); |
| case CODE_HAS_PAIRED: |
| throw new IllegalStateException("Not allowed to set the device owner because this " |
| + "device has already paired"); |
| default: |
| throw new IllegalStateException("Unexpected @ProvisioningPreCondition " + code); |
| } |
| } |
| |
| private void enforceUserUnlocked(int userId) { |
| // Since we're doing this operation on behalf of an app, we only |
| // want to use the actual "unlocked" state. |
| Preconditions.checkState(mUserManager.isUserUnlocked(userId), |
| "User must be running and unlocked"); |
| } |
| |
| private void enforceUserUnlocked(@UserIdInt int userId, boolean parent) { |
| if (parent) { |
| enforceUserUnlocked(getProfileParentId(userId)); |
| } else { |
| enforceUserUnlocked(userId); |
| } |
| } |
| |
| private void enforceManageUsers() { |
| final int callingUid = mInjector.binderGetCallingUid(); |
| if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); |
| } |
| } |
| |
| private void enforceFullCrossUsersPermission(int userHandle) { |
| enforceSystemUserOrPermission(userHandle, |
| android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); |
| } |
| |
| private void enforceCrossUsersPermission(int userHandle) { |
| enforceSystemUserOrPermission(userHandle, |
| android.Manifest.permission.INTERACT_ACROSS_USERS); |
| } |
| |
| private void enforceSystemUserOrPermission(int userHandle, String permission) { |
| if (userHandle < 0) { |
| throw new IllegalArgumentException("Invalid userId " + userHandle); |
| } |
| final int callingUid = mInjector.binderGetCallingUid(); |
| if (userHandle == UserHandle.getUserId(callingUid)) { |
| return; |
| } |
| if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { |
| mContext.enforceCallingOrSelfPermission(permission, |
| "Must be system or have " + permission + " permission"); |
| } |
| } |
| |
| private void enforceManagedProfile(int userHandle, String message) { |
| if(!isManagedProfile(userHandle)) { |
| throw new SecurityException("You can not " + message + " outside a managed profile."); |
| } |
| } |
| |
| private void enforceNotManagedProfile(int userHandle, String message) { |
| if(isManagedProfile(userHandle)) { |
| throw new SecurityException("You can not " + message + " for a managed profile."); |
| } |
| } |
| |
| private void enforceDeviceOwnerOrManageUsers() { |
| synchronized (this) { |
| if (getActiveAdminWithPolicyForUidLocked(null, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, |
| mInjector.binderGetCallingUid()) != null) { |
| return; |
| } |
| } |
| enforceManageUsers(); |
| } |
| |
| private void enforceProfileOwnerOrSystemUser(ComponentName admin) { |
| synchronized (this) { |
| if (getActiveAdminWithPolicyForUidLocked(admin, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()) |
| != null) { |
| return; |
| } |
| } |
| Preconditions.checkState(isCallerWithSystemUid(), |
| "Only profile owner, device owner and system may call this method."); |
| } |
| |
| private void ensureCallerPackage(@Nullable String packageName) { |
| if (packageName == null) { |
| Preconditions.checkState(isCallerWithSystemUid(), |
| "Only caller can omit package name"); |
| } else { |
| final int callingUid = mInjector.binderGetCallingUid(); |
| final int userId = mInjector.userHandleGetCallingUserId(); |
| try { |
| final ApplicationInfo ai = mIPackageManager.getApplicationInfo( |
| packageName, 0, userId); |
| Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); |
| } catch (RemoteException e) { |
| // Shouldn't happen |
| } |
| } |
| } |
| |
| private boolean isCallerWithSystemUid() { |
| return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); |
| } |
| |
| private int getProfileParentId(int userHandle) { |
| final long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| UserInfo parentUser = mUserManager.getProfileParent(userHandle); |
| return parentUser != null ? parentUser.id : userHandle; |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| |
| private int getCredentialOwner(int userHandle, boolean parent) { |
| final long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| if (parent) { |
| UserInfo parentProfile = mUserManager.getProfileParent(userHandle); |
| if (parentProfile != null) { |
| userHandle = parentProfile.id; |
| } |
| } |
| return mUserManager.getCredentialOwnerProfile(userHandle); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| |
| private boolean isManagedProfile(int userHandle) { |
| final UserInfo user = getUserInfo(userHandle); |
| return user != null && user.isManagedProfile(); |
| } |
| |
| private void enableIfNecessary(String packageName, int userId) { |
| try { |
| ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, |
| PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, |
| userId); |
| if (ai.enabledSetting |
| == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { |
| mIPackageManager.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=" |
| + mInjector.binderGetCallingPid() |
| + ", uid=" + mInjector.binderGetCallingUid()); |
| return; |
| } |
| |
| synchronized (this) { |
| pw.println("Current Device Policy Manager state:"); |
| mOwners.dump(" ", pw); |
| int userCount = mUserData.size(); |
| for (int u = 0; u < userCount; u++) { |
| DevicePolicyData policy = getUserData(mUserData.keyAt(u)); |
| pw.println(); |
| pw.println(" Enabled Device Admins (User " + policy.mUserHandle |
| + ", provisioningState: " + policy.mUserProvisioningState + "):"); |
| 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()) { |
| pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " |
| + policy.mRemovingAdmins); |
| } |
| |
| pw.println(" "); |
| pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); |
| } |
| pw.println(); |
| pw.println("Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); |
| } |
| } |
| |
| private String getEncryptionStatusName(int encryptionStatus) { |
| switch (encryptionStatus) { |
| case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: |
| return "inactive"; |
| case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: |
| return "block default key"; |
| case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: |
| return "block"; |
| case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: |
| return "per-user"; |
| case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: |
| return "unsupported"; |
| case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: |
| return "activating"; |
| default: |
| return "unknown"; |
| } |
| } |
| |
| @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); |
| |
| long id = mInjector.binderClearCallingIdentity(); |
| try { |
| mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); |
| } catch (RemoteException re) { |
| // Shouldn't happen |
| } finally { |
| mInjector.binderRestoreCallingIdentity(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); |
| |
| long id = mInjector.binderClearCallingIdentity(); |
| try { |
| mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); |
| } catch (RemoteException re) { |
| // Shouldn't happen |
| } finally { |
| mInjector.binderRestoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, |
| String packageName) { |
| Preconditions.checkNotNull(admin, "ComponentName is null"); |
| |
| final int userHandle = mInjector.userHandleGetCallingUserId(); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| if (packageName != null && !isPackageInstalledForUser(packageName, userHandle)) { |
| return false; |
| } |
| DevicePolicyData policy = getUserData(userHandle); |
| policy.mApplicationRestrictionsManagingPackage = packageName; |
| saveSettingsLocked(userHandle); |
| return true; |
| } |
| } |
| |
| @Override |
| public String getApplicationRestrictionsManagingPackage(ComponentName admin) { |
| Preconditions.checkNotNull(admin, "ComponentName is null"); |
| |
| final int userHandle = mInjector.userHandleGetCallingUserId(); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| DevicePolicyData policy = getUserData(userHandle); |
| return policy.mApplicationRestrictionsManagingPackage; |
| } |
| } |
| |
| @Override |
| public boolean isCallerApplicationRestrictionsManagingPackage() { |
| final int callingUid = mInjector.binderGetCallingUid(); |
| final int userHandle = UserHandle.getUserId(callingUid); |
| synchronized (this) { |
| final DevicePolicyData policy = getUserData(userHandle); |
| if (policy.mApplicationRestrictionsManagingPackage == null) { |
| return false; |
| } |
| |
| try { |
| int uid = mInjector.getPackageManager().getPackageUidAsUser( |
| policy.mApplicationRestrictionsManagingPackage, userHandle); |
| return uid == callingUid; |
| } catch (NameNotFoundException e) { |
| return false; |
| } |
| } |
| } |
| |
| private void enforceCanManageApplicationRestrictions(ComponentName who) { |
| if (who != null) { |
| enforceProfileOrDeviceOwner(who); |
| } else if (!isCallerApplicationRestrictionsManagingPackage()) { |
| throw new SecurityException( |
| "No admin component given, and caller cannot manage application restrictions " |
| + "for other apps."); |
| } |
| } |
| |
| @Override |
| public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { |
| enforceCanManageApplicationRestrictions(who); |
| |
| final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); |
| final long id = mInjector.binderClearCallingIdentity(); |
| try { |
| mUserManager.setApplicationRestrictions(packageName, settings, userHandle); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(id); |
| } |
| } |
| |
| @Override |
| public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, |
| PersistableBundle args, boolean parent) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(admin, "admin is null"); |
| Preconditions.checkNotNull(agent, "agent is null"); |
| final int userHandle = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin ap = getActiveAdminForCallerLocked(admin, |
| DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); |
| ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); |
| saveSettingsLocked(userHandle); |
| } |
| } |
| |
| @Override |
| public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, |
| ComponentName agent, int userHandle, boolean parent) { |
| if (!mHasFeature) { |
| return null; |
| } |
| Preconditions.checkNotNull(agent, "agent null"); |
| enforceFullCrossUsersPermission(userHandle); |
| |
| synchronized (this) { |
| final String componentName = agent.flattenToString(); |
| if (admin != null) { |
| final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); |
| if (ap == null) return null; |
| TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); |
| if (trustAgentInfo == null || trustAgentInfo.options == null) return null; |
| List<PersistableBundle> result = new ArrayList<>(); |
| result.add(trustAgentInfo.options); |
| return result; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| 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. |
| List<ActiveAdmin> admins = |
| getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); |
| boolean allAdminsHaveOptions = true; |
| final int N = admins.size(); |
| for (int i = 0; i < N; i++) { |
| final ActiveAdmin active = admins.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<>(); |
| } |
| 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 (!isCallerWithSystemUid()) { |
| throw new SecurityException("Only the system can query the permission provider"); |
| } |
| DevicePolicyData userData = getUserData(userHandle); |
| return userData != null ? userData.mRestrictionsProvider : null; |
| } |
| } |
| |
| @Override |
| 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); |
| |
| long id = mInjector.binderClearCallingIdentity(); |
| try { |
| UserInfo parent = mUserManager.getProfileParent(callingUserId); |
| if (parent == null) { |
| Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " |
| + "parent"); |
| return; |
| } |
| if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { |
| mIPackageManager.addCrossProfileIntentFilter( |
| filter, who.getPackageName(), callingUserId, parent.id, 0); |
| } |
| if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { |
| mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), |
| parent.id, callingUserId, 0); |
| } |
| } catch (RemoteException re) { |
| // Shouldn't happen |
| } finally { |
| mInjector.binderRestoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public void clearCrossProfileIntentFilters(ComponentName who) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| int callingUserId = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| long id = mInjector.binderClearCallingIdentity(); |
| try { |
| UserInfo parent = mUserManager.getProfileParent(callingUserId); |
| if (parent == null) { |
| Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " |
| + "parent"); |
| return; |
| } |
| // Removing those that go from the managed profile to the parent. |
| mIPackageManager.clearCrossProfileIntentFilters( |
| callingUserId, who.getPackageName()); |
| // And those that go from the parent 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. |
| mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); |
| } catch (RemoteException re) { |
| // Shouldn't happen |
| } finally { |
| mInjector.binderRestoreCallingIdentity(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) { |
| long id = mInjector.binderClearCallingIdentity(); |
| 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 = getUserInfo(userIdToCheck); |
| if (user.isManagedProfile()) { |
| userIdToCheck = user.profileGroupId; |
| } |
| |
| for (String enabledPackage : enabledPackages) { |
| boolean systemService = false; |
| try { |
| ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( |
| enabledPackage, PackageManager.MATCH_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 { |
| mInjector.binderRestoreCallingIdentity(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 = mInjector.binderClearCallingIdentity(); |
| try { |
| UserInfo user = getUserInfo(userId); |
| if (user.isManagedProfile()) { |
| userId = user.profileGroupId; |
| } |
| AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); |
| enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( |
| AccessibilityServiceInfo.FEEDBACK_ALL_MASK); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(id); |
| } |
| |
| if (enabledServices != null) { |
| List<String> enabledPackages = new ArrayList<String>(); |
| for (AccessibilityServiceInfo service : enabledServices) { |
| enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); |
| } |
| if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, |
| userId)) { |
| 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. |
| int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); |
| for (int profileId : profileIds) { |
| // Just loop though all admins, only device or profiles |
| // owners can have permitted lists set. |
| DevicePolicyData policy = getUserDataUnchecked(profileId); |
| 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<>(fromAdmin); |
| } else { |
| result.retainAll(fromAdmin); |
| } |
| } |
| } |
| } |
| |
| // If we have a permitted list add all system accessibility services. |
| if (result != null) { |
| long id = mInjector.binderClearCallingIdentity(); |
| try { |
| UserInfo user = getUserInfo(userId); |
| if (user.isManagedProfile()) { |
| userId = user.profileGroupId; |
| } |
| AccessibilityManager accessibilityManager = |
| getAccessibilityManagerForUser(userId); |
| List<AccessibilityServiceInfo> installedServices = |
| accessibilityManager.getInstalledAccessibilityServiceList(); |
| |
| 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 { |
| mInjector.binderRestoreCallingIdentity(id); |
| } |
| } |
| |
| return result; |
| } |
| } |
| |
| @Override |
| public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, |
| int userHandle) { |
| if (!mHasFeature) { |
| return true; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| Preconditions.checkStringNotEmpty(packageName, "packageName is null"); |
| if (!isCallerWithSystemUid()){ |
| throw new SecurityException( |
| "Only the system can query if an accessibility service is disabled by admin"); |
| } |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| if (admin == null) { |
| return false; |
| } |
| if (admin.permittedAccessiblityServices == null) { |
| return true; |
| } |
| return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), |
| admin.permittedAccessiblityServices, userHandle); |
| } |
| } |
| |
| private boolean checkCallerIsCurrentUserOrProfile() { |
| int callingUserId = UserHandle.getCallingUserId(); |
| long token = mInjector.binderClearCallingIdentity(); |
| try { |
| UserInfo currentUser; |
| UserInfo callingUser = getUserInfo(callingUserId); |
| try { |
| currentUser = mInjector.getIActivityManager().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 { |
| mInjector.binderRestoreCallingIdentity(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 = |
| mContext.getSystemService(InputMethodManager.class); |
| 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, |
| mInjector.binderGetCallingUserHandle().getIdentifier())) { |
| 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 = mInjector.getIActivityManager().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. |
| int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); |
| for (int profileId : profileIds) { |
| // Just loop though all admins, only device or profiles |
| // owners can have permitted lists set. |
| DevicePolicyData policy = getUserDataUnchecked(profileId); |
| 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 = |
| mContext.getSystemService(InputMethodManager.class); |
| List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); |
| long id = mInjector.binderClearCallingIdentity(); |
| try { |
| 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 { |
| mInjector.binderRestoreCallingIdentity(id); |
| } |
| } |
| return result; |
| } |
| } |
| |
| @Override |
| public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, |
| int userHandle) { |
| if (!mHasFeature) { |
| return true; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| Preconditions.checkStringNotEmpty(packageName, "packageName is null"); |
| if (!isCallerWithSystemUid()) { |
| throw new SecurityException( |
| "Only the system can query if an input method is disabled by admin"); |
| } |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| if (admin == null) { |
| return false; |
| } |
| if (admin.permittedInputMethods == null) { |
| return true; |
| } |
| return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), |
| admin.permittedInputMethods, userHandle); |
| } |
| } |
| |
| private void sendAdminEnabledBroadcastLocked(int userHandle) { |
| DevicePolicyData policyData = getUserData(userHandle); |
| if (policyData.mAdminBroadcastPending) { |
| // Send the initialization data to profile owner and delete the data |
| ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); |
| if (admin != null) { |
| PersistableBundle initBundle = policyData.mInitBundle; |
| sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, |
| initBundle == null ? null : new Bundle(initBundle), null); |
| } |
| policyData.mInitBundle = null; |
| policyData.mAdminBroadcastPending = false; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| |
| @Override |
| public UserHandle createAndManageUser(ComponentName admin, String name, |
| ComponentName profileOwner, PersistableBundle adminExtras, int flags) { |
| Preconditions.checkNotNull(admin, "admin is null"); |
| Preconditions.checkNotNull(profileOwner, "profileOwner is null"); |
| if (!admin.getPackageName().equals(profileOwner.getPackageName())) { |
| throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " |
| + admin + " are not in the same package"); |
| } |
| // Only allow the system user to use this method |
| if (!mInjector.binderGetCallingUserHandle().isSystem()) { |
| throw new SecurityException("createAndManageUser was called from non-system user"); |
| } |
| if (!mInjector.userManagerIsSplitSystemUser() |
| && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { |
| throw new IllegalArgumentException( |
| "Ephemeral users are only supported on systems with a split system user."); |
| } |
| // Create user. |
| UserHandle user = null; |
| synchronized (this) { |
| getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| |
| final long id = mInjector.binderClearCallingIdentity(); |
| try { |
| int userInfoFlags = 0; |
| if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { |
| userInfoFlags |= UserInfo.FLAG_EPHEMERAL; |
| } |
| UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, |
| userInfoFlags); |
| if (userInfo != null) { |
| user = userInfo.getUserHandle(); |
| } |
| } finally { |
| mInjector.binderRestoreCallingIdentity(id); |
| } |
| } |
| if (user == null) { |
| return null; |
| } |
| // Set admin. |
| final long id = mInjector.binderClearCallingIdentity(); |
| try { |
| final String adminPkg = admin.getPackageName(); |
| |
| final int userHandle = user.getIdentifier(); |
| try { |
| // Install the profile owner if not present. |
| if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { |
| mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle, |
| PackageManager.INSTALL_REASON_POLICY); |
| } |
| } catch (RemoteException e) { |
| Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " |
| + "removing created user", e); |
| mUserManager.removeUser(user.getIdentifier()); |
| return null; |
| } |
| |
| setActiveAdmin(profileOwner, true, userHandle); |
| // User is not started yet, the broadcast by setActiveAdmin will not be received. |
| // So we store adminExtras for broadcasting when the user starts for first time. |
| synchronized(this) { |
| DevicePolicyData policyData = getUserData(userHandle); |
| policyData.mInitBundle = adminExtras; |
| policyData.mAdminBroadcastPending = true; |
| saveSettingsLocked(userHandle); |
| } |
| final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); |
| setProfileOwner(profileOwner, ownerName, userHandle); |
| |
| if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { |
| Settings.Secure.putIntForUser(mContext.getContentResolver(), |
| Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); |
| } |
| |
| return user; |
| } finally { |
| mInjector.binderRestoreCallingIdentity(id); |
| } |
| } |
| |
| @Override |
| public boolean removeUser(ComponentName who, UserHandle userHandle) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| } |
| |
| final int callingUserId = mInjector.userHandleGetCallingUserId(); |
| final long id = mInjector.binderClearCallingIdentity(); |
| try { |
| String restriction = isManagedProfile(userHandle.getIdentifier()) |
| ? UserManager.DISALLOW_REMOVE_MANAGED_PROFILE |
| : UserManager.DISALLOW_REMOVE_USER; |
| if (isAdminAffectedByRestriction(who, restriction, callingUserId)) { |
| Log.w(LOG_TAG, "The device owner cannot remove a user because " |
| + restriction + " is enabled, and was not set by the device owner"); |
| return false; |
| } |
| return mUserManagerInternal.removeUserEvenWhenDisallowed(userHandle.getIdentifier()); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(id); |
| } |
| } |
| |
| private boolean isAdminAffectedByRestriction( |
| ComponentName admin, String userRestriction, int userId) { |
| switch(mUserManager.getUserRestrictionSource(userRestriction, UserHandle.of(userId))) { |
| case UserManager.RESTRICTION_NOT_SET: |
| return false; |
| case UserManager.RESTRICTION_SOURCE_DEVICE_OWNER: |
| return !isDeviceOwner(admin, userId); |
| case UserManager.RESTRICTION_SOURCE_PROFILE_OWNER: |
| return !isProfileOwner(admin, userId); |
| default: |
| return true; |
| } |
| } |
| |
| @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 = mInjector.binderClearCallingIdentity(); |
| try { |
| int userId = UserHandle.USER_SYSTEM; |
| if (userHandle != null) { |
| userId = userHandle.getIdentifier(); |
| } |
| return mInjector.getIActivityManager().switchUser(userId); |
| } catch (RemoteException e) { |
| Log.e(LOG_TAG, "Couldn't switch user", e); |
| return false; |
| } finally { |
| mInjector.binderRestoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public Bundle getApplicationRestrictions(ComponentName who, String packageName) { |
| enforceCanManageApplicationRestrictions(who); |
| |
| final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); |
| final long id = mInjector.binderClearCallingIdentity(); |
| 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 { |
| mInjector.binderRestoreCallingIdentity(id); |
| } |
| } |
| |
| @Override |
| public String[] setPackagesSuspended(ComponentName who, String[] packageNames, |
| boolean suspended) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| int callingUserId = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| long id = mInjector.binderClearCallingIdentity(); |
| try { |
| return mIPackageManager.setPackagesSuspendedAsUser( |
| packageNames, suspended, callingUserId); |
| } catch (RemoteException re) { |
| // Shouldn't happen. |
| Slog.e(LOG_TAG, "Failed talking to the package manager", re); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(id); |
| } |
| return packageNames; |
| } |
| } |
| |
| @Override |
| public boolean isPackageSuspended(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 = mInjector.binderClearCallingIdentity(); |
| try { |
| return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); |
| } catch (RemoteException re) { |
| // Shouldn't happen. |
| Slog.e(LOG_TAG, "Failed talking to the package manager", re); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(id); |
| } |
| return false; |
| } |
| } |
| |
| @Override |
| public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| if (!UserRestrictionsUtils.isValidRestriction(key)) { |
| return; |
| } |
| |
| final int userHandle = mInjector.userHandleGetCallingUserId(); |
| synchronized (this) { |
| final ActiveAdmin activeAdmin = |
| getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| final boolean isDeviceOwner = isDeviceOwner(who, userHandle); |
| if (isDeviceOwner) { |
| if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { |
| throw new SecurityException("Device owner cannot set user restriction " + key); |
| } |
| } else { // profile owner |
| if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { |
| throw new SecurityException("Profile owner cannot set user restriction " + key); |
| } |
| } |
| |
| // Save the restriction to ActiveAdmin. |
| final Bundle restrictions = activeAdmin.ensureUserRestrictions(); |
| if (enabledFromThisOwner) { |
| restrictions.putBoolean(key, true); |
| } else { |
| restrictions.remove(key); |
| } |
| saveUserRestrictionsLocked(userHandle); |
| } |
| } |
| |
| private void saveUserRestrictionsLocked(int userId) { |
| saveSettingsLocked(userId); |
| pushUserRestrictions(userId); |
| sendChangedNotification(userId); |
| } |
| |
| private void pushUserRestrictions(int userId) { |
| synchronized (this) { |
| final boolean isDeviceOwner = mOwners.isDeviceOwnerUserId(userId); |
| final Bundle userRestrictions; |
| // Whether device owner enforces camera restriction. |
| boolean disallowCameraGlobally = false; |
| |
| if (isDeviceOwner) { |
| final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); |
| if (deviceOwner == null) { |
| return; // Shouldn't happen. |
| } |
| userRestrictions = deviceOwner.userRestrictions; |
| // DO can disable camera globally. |
| disallowCameraGlobally = deviceOwner.disableCamera; |
| } else { |
| final ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); |
| userRestrictions = profileOwner != null ? profileOwner.userRestrictions : null; |
| } |
| |
| // Whether any admin enforces camera restriction. |
| final int cameraRestrictionScope = |
| getCameraRestrictionScopeLocked(userId, disallowCameraGlobally); |
| |
| mUserManagerInternal.setDevicePolicyUserRestrictions(userId, userRestrictions, |
| isDeviceOwner, cameraRestrictionScope); |
| } |
| } |
| |
| /** |
| * Get the scope of camera restriction for a given user if any. |
| */ |
| private int getCameraRestrictionScopeLocked(int userId, boolean disallowCameraGlobally) { |
| if (disallowCameraGlobally) { |
| return UserManagerInternal.CAMERA_DISABLED_GLOBALLY; |
| } else if (getCameraDisabled( |
| /* who= */ null, userId, /* mergeDeviceOwnerRestriction= */ false)) { |
| return UserManagerInternal.CAMERA_DISABLED_LOCALLY; |
| } |
| return UserManagerInternal.CAMERA_NOT_DISABLED; |
| } |
| |
| @Override |
| public Bundle getUserRestrictions(ComponentName who) { |
| if (!mHasFeature) { |
| return null; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| return activeAdmin.userRestrictions; |
| } |
| } |
| |
| @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 = mInjector.binderClearCallingIdentity(); |
| try { |
| return mIPackageManager.setApplicationHiddenSettingAsUser( |
| packageName, hidden, callingUserId); |
| } catch (RemoteException re) { |
| // shouldn't happen |
| Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(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 = mInjector.binderClearCallingIdentity(); |
| try { |
| return mIPackageManager.getApplicationHiddenSettingAsUser( |
| packageName, callingUserId); |
| } catch (RemoteException re) { |
| // shouldn't happen |
| Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(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 = mInjector.binderClearCallingIdentity(); |
| |
| try { |
| if (VERBOSE_LOG) { |
| Slog.v(LOG_TAG, "installing " + packageName + " for " |
| + userId); |
| } |
| |
| int parentUserId = getProfileParentId(userId); |
| if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { |
| throw new IllegalArgumentException("Only system apps can be enabled this way."); |
| } |
| |
| // Install the app. |
| mIPackageManager.installExistingPackageAsUser(packageName, userId, |
| PackageManager.INSTALL_REASON_POLICY); |
| |
| } catch (RemoteException re) { |
| // shouldn't happen |
| Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(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 = mInjector.binderClearCallingIdentity(); |
| |
| try { |
| int parentUserId = getProfileParentId(userId); |
| List<ResolveInfo> activitiesToEnable = mIPackageManager |
| .queryIntentActivities(intent, |
| intent.resolveTypeIfNeeded(mContext.getContentResolver()), |
| PackageManager.MATCH_DIRECT_BOOT_AWARE |
| | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, |
| parentUserId) |
| .getList(); |
| |
| if (VERBOSE_LOG) { |
| 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(mIPackageManager, packageName, parentUserId)) { |
| numberOfAppsInstalled++; |
| mIPackageManager.installExistingPackageAsUser(packageName, userId, |
| PackageManager.INSTALL_REASON_POLICY); |
| } 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 { |
| mInjector.binderRestoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| private boolean isSystemApp(IPackageManager pm, String packageName, int userId) |
| throws RemoteException { |
| ApplicationInfo appInfo = pm.getApplicationInfo(packageName, MATCH_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) { |
| enforceFullCrossUsersPermission(userId); |
| if (!mHasFeature) { |
| return null; |
| } |
| synchronized (this) { |
| DevicePolicyData policy = getUserData(userId); |
| final int N = policy.mAdminList.size(); |
| ArraySet<String> resultSet = new ArraySet<>(); |
| 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 = mInjector.binderClearCallingIdentity(); |
| try { |
| mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); |
| } catch (RemoteException re) { |
| // Shouldn't happen. |
| Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(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 = mInjector.binderClearCallingIdentity(); |
| try { |
| return mIPackageManager.getBlockUninstallForUser(packageName, userId); |
| } catch (RemoteException re) { |
| // Shouldn't happen. |
| Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(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(mInjector.userHandleGetCallingUserId()); |
| } |
| } |
| } |
| |
| @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) { |
| enforceCrossUsersPermission(userId); |
| synchronized (this) { |
| ActiveAdmin admin = getProfileOwnerAdminLocked(userId); |
| return (admin != null) ? admin.disableCallerId : false; |
| } |
| } |
| |
| @Override |
| public void setCrossProfileContactsSearchDisabled(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.disableContactsSearch != disabled) { |
| admin.disableContactsSearch = disabled; |
| saveSettingsLocked(mInjector.userHandleGetCallingUserId()); |
| } |
| } |
| } |
| |
| @Override |
| public boolean getCrossProfileContactsSearchDisabled(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.disableContactsSearch; |
| } |
| } |
| |
| @Override |
| public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { |
| enforceCrossUsersPermission(userId); |
| synchronized (this) { |
| ActiveAdmin admin = getProfileOwnerAdminLocked(userId); |
| return (admin != null) ? admin.disableContactsSearch : false; |
| } |
| } |
| |
| @Override |
| public void startManagedQuickContact(String actualLookupKey, long actualContactId, |
| boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { |
| final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, |
| actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); |
| final int callingUserId = UserHandle.getCallingUserId(); |
| |
| final long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| synchronized (this) { |
| final int managedUserId = getManagedUserId(callingUserId); |
| if (managedUserId < 0) { |
| return; |
| } |
| if (isCrossProfileQuickContactDisabled(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 { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * @return true if cross-profile QuickContact is disabled |
| */ |
| private boolean isCrossProfileQuickContactDisabled(int userId) { |
| return getCrossProfileCallerIdDisabledForUser(userId) |
| && getCrossProfileContactsSearchDisabledForUser(userId); |
| } |
| |
| /** |
| * @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 = getProfileOwnerAdminLocked(userId); |
| return (admin != null) ? admin.disableBluetoothContactSharing : false; |
| } |
| } |
| |
| /** |
| * Sets which packages may enter lock task mode. |
| * |
| * <p>This function can only be called by the device owner or alternatively by the profile owner |
| * in case the user is affiliated. |
| * |
| * @param packages The list of packages allowed to enter lock task mode. |
| */ |
| @Override |
| public void setLockTaskPackages(ComponentName who, String[] packages) |
| throws SecurityException { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| final int userHandle = mInjector.userHandleGetCallingUserId(); |
| if (isUserAffiliatedWithDeviceLocked(userHandle)) { |
| setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); |
| } else { |
| throw new SecurityException("Admin " + who + |
| " is neither the device owner or affiliated user's profile owner."); |
| } |
| } |
| } |
| |
| 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. |
| */ |
| @Override |
| public String[] getLockTaskPackages(ComponentName who) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| int userHandle = mInjector.binderGetCallingUserHandle().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 |
| */ |
| @Override |
| public boolean isLockTaskPermitted(String pkg) { |
| // Get current user's devicepolicy |
| int uid = mInjector.binderGetCallingUid(); |
| 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 (!isCallerWithSystemUid()) { |
| 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) { |
| final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); |
| final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); |
| 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) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| |
| // Some settings are no supported any more. However we do not want to throw a |
| // SecurityException to avoid breaking apps. |
| if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { |
| Log.i(LOG_TAG, "Global setting no longer supported: " + setting); |
| return; |
| } |
| |
| if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { |
| throw new SecurityException(String.format( |
| "Permission denial: device owners cannot update %1$s", setting)); |
| } |
| |
| if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { |
| // ignore if it contradicts an existing policy |
| long timeMs = getMaximumTimeToLock( |
| who, mInjector.userHandleGetCallingUserId(), /* parent */ false); |
| if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { |
| return; |
| } |
| } |
| |
| long id = mInjector.binderClearCallingIdentity(); |
| try { |
| mInjector.settingsGlobalPutString(setting, value); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public void setSecureSetting(ComponentName who, String setting, String value) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| int callingUserId = mInjector.userHandleGetCallingUserId(); |
| |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| if (isDeviceOwner(who, callingUserId)) { |
| if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { |
| throw new SecurityException(String.format( |
| "Permission denial: Device owners cannot update %1$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 = mInjector.binderClearCallingIdentity(); |
| try { |
| mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public void setMasterVolumeMuted(ComponentName who, boolean on) { |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| setUserRestriction(who, UserManager.DISALLLOW_UNMUTE_DEVICE, on); |
| } |
| } |
| |
| @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 = mInjector.binderClearCallingIdentity(); |
| try { |
| mUserManagerInternal.setUserIcon(userId, icon); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(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(); |
| |
| long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| // disallow disabling the keyguard if a password is currently set |
| if (disabled && mLockPatternUtils.isSecure(userId)) { |
| return false; |
| } |
| mLockPatternUtils.setLockScreenDisabled(disabled, userId); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(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 = mInjector.binderClearCallingIdentity(); |
| 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 { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| return false; |
| } |
| |
| /** |
| * We need to update the internal state of whether a user has completed setup or a |
| * device has paired once. After that, we ignore any changes that reset the |
| * Settings.Secure.USER_SETUP_COMPLETE or Settings.Secure.DEVICE_PAIRED change |
| * as we don't trust any apps that might try to reset them. |
| * <p> |
| * Unfortunately, we don't know which user's setup state was changed, so we write all of |
| * them. |
| */ |
| void updateUserSetupCompleteAndPaired() { |
| List<UserInfo> users = mUserManager.getUsers(true); |
| final int N = users.size(); |
| for (int i = 0; i < N; i++) { |
| int userHandle = users.get(i).id; |
| if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, |
| userHandle) != 0) { |
| DevicePolicyData policy = getUserData(userHandle); |
| if (!policy.mUserSetupComplete) { |
| policy.mUserSetupComplete = true; |
| synchronized (this) { |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| if (mIsWatch && mInjector.settingsSecureGetIntForUser(Settings.Secure.DEVICE_PAIRED, 0, |
| userHandle) != 0) { |
| DevicePolicyData policy = getUserData(userHandle); |
| if (!policy.mPaired) { |
| policy.mPaired = true; |
| synchronized (this) { |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| } |
| } |
| |
| private class SetupContentObserver extends ContentObserver { |
| |
| private final Uri mUserSetupComplete = Settings.Secure.getUriFor( |
| Settings.Secure.USER_SETUP_COMPLETE); |
| private final Uri mDeviceProvisioned = Settings.Global.getUriFor( |
| Settings.Global.DEVICE_PROVISIONED); |
| private final Uri mPaired = Settings.Secure.getUriFor(Settings.Secure.DEVICE_PAIRED); |
| |
| public SetupContentObserver(Handler handler) { |
| super(handler); |
| } |
| |
| void register() { |
| mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); |
| mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); |
| if (mIsWatch) { |
| mInjector.registerContentObserver(mPaired, false, this, UserHandle.USER_ALL); |
| } |
| } |
| |
| @Override |
| public void onChange(boolean selfChange, Uri uri) { |
| if (mUserSetupComplete.equals(uri) || (mIsWatch && mPaired.equals(uri))) { |
| updateUserSetupCompleteAndPaired(); |
| } else if (mDeviceProvisioned.equals(uri)) { |
| synchronized (DevicePolicyManagerService.this) { |
| // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property |
| // is delayed until device is marked as provisioned. |
| setDeviceOwnerSystemPropertyLocked(); |
| } |
| } |
| } |
| } |
| |
| @VisibleForTesting |
| final class LocalService extends DevicePolicyManagerInternal { |
| private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; |
| |
| @Override |
| public List<String> getCrossProfileWidgetProviders(int profileId) { |
| synchronized (DevicePolicyManagerService.this) { |
| if (mOwners == null) { |
| return Collections.emptyList(); |
| } |
| ComponentName ownerComponent = mOwners.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) { |
| 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); |
| } |
| } |
| |
| @Override |
| public Intent createShowAdminSupportIntent(int userId, boolean useDefaultIfNoAdmin) { |
| // This method is called from AM with its lock held, so don't take the DPMS lock. |
| // b/29242568 |
| |
| ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); |
| if (profileOwner != null) { |
| return createShowAdminSupportIntent(profileOwner, userId); |
| } |
| |
| final Pair<Integer, ComponentName> deviceOwner = |
| mOwners.getDeviceOwnerUserIdAndComponent(); |
| if (deviceOwner != null && deviceOwner.first == userId) { |
| return createShowAdminSupportIntent(deviceOwner.second, userId); |
| } |
| |
| // We're not specifying the device admin because there isn't one. |
| if (useDefaultIfNoAdmin) { |
| return createShowAdminSupportIntent(null, userId); |
| } |
| return null; |
| } |
| |
| @Override |
| public Intent createUserRestrictionSupportIntent(int userId, String userRestriction) { |
| int source; |
| long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| source = mUserManager.getUserRestrictionSource(userRestriction, |
| UserHandle.of(userId)); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| if ((source & UserManager.RESTRICTION_SOURCE_SYSTEM) != 0) { |
| /* |
| * In this case, the user restriction is enforced by the system. |
| * So we won't show an admin support intent, even if it is also |
| * enforced by a profile/device owner. |
| */ |
| return null; |
| } |
| boolean enforcedByDo = (source & UserManager.RESTRICTION_SOURCE_DEVICE_OWNER) != 0; |
| boolean enforcedByPo = (source & UserManager.RESTRICTION_SOURCE_PROFILE_OWNER) != 0; |
| if (enforcedByDo && enforcedByPo) { |
| // In this case, we'll show an admin support dialog that does not |
| // specify the admin. |
| return createShowAdminSupportIntent(null, userId); |
| } else if (enforcedByPo) { |
| final ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); |
| if (profileOwner != null) { |
| return createShowAdminSupportIntent(profileOwner, userId); |
| } |
| // This could happen if another thread has changed the profile owner since we called |
| // getUserRestrictionSource |
| return null; |
| } else if (enforcedByDo) { |
| final Pair<Integer, ComponentName> deviceOwner |
| = mOwners.getDeviceOwnerUserIdAndComponent(); |
| if (deviceOwner != null) { |
| return createShowAdminSupportIntent(deviceOwner.second, deviceOwner.first); |
| } |
| // This could happen if another thread has changed the device owner since we called |
| // getUserRestrictionSource |
| return null; |
| } |
| return null; |
| } |
| |
| private Intent createShowAdminSupportIntent(ComponentName admin, int userId) { |
| // This method is called with AMS lock held, so don't take DPMS lock |
| final Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); |
| intent.putExtra(Intent.EXTRA_USER_ID, userId); |
| intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, admin); |
| intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| return intent; |
| } |
| } |
| |
| /** |
| * Returns true if specified admin is allowed to limit passwords and has a |
| * {@code minimumPasswordMetrics.quality} of at least {@code minPasswordQuality} |
| */ |
| private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { |
| if (admin.minimumPasswordMetrics.quality < minPasswordQuality) { |
| return false; |
| } |
| return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| } |
| |
| @Override |
| public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { |
| if (policy != null && !policy.isValid()) { |
| throw new IllegalArgumentException("Invalid system update policy."); |
| } |
| synchronized (this) { |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| if (policy == null) { |
| mOwners.clearSystemUpdatePolicy(); |
| } else { |
| mOwners.setSystemUpdatePolicy(policy); |
| } |
| mOwners.writeDeviceOwner(); |
| } |
| mContext.sendBroadcastAsUser( |
| new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), |
| UserHandle.SYSTEM); |
| } |
| |
| @Override |
| public SystemUpdatePolicy getSystemUpdatePolicy() { |
| if (UserManager.isDeviceInDemoMode(mContext)) { |
| // Pretending to have an automatic update policy when the device is in retail demo |
| // mode. This will allow the device to download and install an ota without |
| // any user interaction. |
| return SystemUpdatePolicy.createAutomaticInstallPolicy(); |
| } |
| synchronized (this) { |
| SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); |
| if (policy != null && !policy.isValid()) { |
| Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); |
| return null; |
| } |
| return policy; |
| } |
| } |
| |
| /** |
| * Checks if the caller of the method is the device owner app. |
| * |
| * @param callerUid UID of the caller. |
| * @return true if the caller is the device owner app |
| */ |
| @VisibleForTesting |
| boolean isCallerDeviceOwner(int callerUid) { |
| synchronized (this) { |
| if (!mOwners.hasDeviceOwner()) { |
| return false; |
| } |
| if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { |
| return false; |
| } |
| final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() |
| .getPackageName(); |
| final String[] pkgs = mInjector.getPackageManager().getPackagesForUid(callerUid); |
| |
| for (String pkg : pkgs) { |
| if (deviceOwnerPackageName.equals(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_SYSTEM) { |
| Slog.w(LOG_TAG, "Only the system update service in the system user " + |
| "can broadcast update information."); |
| return; |
| } |
| |
| if (!mOwners.saveSystemUpdateInfo(updateReceivedTime)) { |
| // Received time hasn't changed, don't send duplicate notification. |
| return; |
| } |
| |
| final Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); |
| intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, updateReceivedTime); |
| |
| final long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| synchronized (this) { |
| // Broadcast to device owner first if there is one. |
| if (mOwners.hasDeviceOwner()) { |
| final UserHandle deviceOwnerUser = |
| UserHandle.of(mOwners.getDeviceOwnerUserId()); |
| intent.setComponent(mOwners.getDeviceOwnerComponent()); |
| mContext.sendBroadcastAsUser(intent, deviceOwnerUser); |
| } |
| } |
| // Get running users. |
| final int runningUserIds[]; |
| try { |
| runningUserIds = mInjector.getIActivityManager().getRunningUserIds(); |
| } catch (RemoteException e) { |
| // Shouldn't happen. |
| Log.e(LOG_TAG, "Could not retrieve the list of running users", e); |
| return; |
| } |
| // Send broadcasts to corresponding profile owners if any. |
| for (final int userId : runningUserIds) { |
| synchronized (this) { |
| final ComponentName profileOwnerPackage = |
| mOwners.getProfileOwnerComponent(userId); |
| if (profileOwnerPackage != null) { |
| intent.setComponent(profileOwnerPackage); |
| mContext.sendBroadcastAsUser(intent, UserHandle.of(userId)); |
| } |
| } |
| } |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override |
| public SystemUpdateInfo getPendingSystemUpdate(ComponentName admin) { |
| Preconditions.checkNotNull(admin, "ComponentName is null"); |
| enforceProfileOrDeviceOwner(admin); |
| |
| return mOwners.getSystemUpdateInfo(); |
| } |
| |
| @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 setPermissionGrantState(ComponentName admin, String packageName, |
| String permission, int grantState) throws RemoteException { |
| UserHandle user = mInjector.binderGetCallingUserHandle(); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| if (getTargetSdk(packageName, user.getIdentifier()) |
| < android.os.Build.VERSION_CODES.M) { |
| return false; |
| } |
| final PackageManager packageManager = mInjector.getPackageManager(); |
| switch (grantState) { |
| case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { |
| mInjector.getPackageManagerInternal().grantRuntimePermission(packageName, |
| permission, user.getIdentifier(), true /* override policy */); |
| packageManager.updatePermissionFlags(permission, packageName, |
| PackageManager.FLAG_PERMISSION_POLICY_FIXED, |
| PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); |
| } break; |
| |
| case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { |
| mInjector.getPackageManagerInternal().revokeRuntimePermission(packageName, |
| permission, user.getIdentifier(), true /* override policy */); |
| packageManager.updatePermissionFlags(permission, packageName, |
| PackageManager.FLAG_PERMISSION_POLICY_FIXED, |
| PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); |
| } break; |
| |
| case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { |
| packageManager.updatePermissionFlags(permission, packageName, |
| PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); |
| } break; |
| } |
| return true; |
| } catch (SecurityException se) { |
| return false; |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| @Override |
| public int getPermissionGrantState(ComponentName admin, String packageName, |
| String permission) throws RemoteException { |
| PackageManager packageManager = mInjector.getPackageManager(); |
| |
| UserHandle user = mInjector.binderGetCallingUserHandle(); |
| enforceProfileOwnerOrSystemUser(admin); |
| synchronized (this) { |
| long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| int granted = mIPackageManager.checkPermission(permission, |
| packageName, user.getIdentifier()); |
| int permFlags = packageManager.getPermissionFlags(permission, packageName, user); |
| if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) |
| != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { |
| // Not controlled by policy |
| return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; |
| } else { |
| // Policy controlled so return result based on permission grant state |
| return granted == PackageManager.PERMISSION_GRANTED |
| ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED |
| : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; |
| } |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| boolean isPackageInstalledForUser(String packageName, int userHandle) { |
| try { |
| PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, |
| userHandle); |
| return (pi != null) && (pi.applicationInfo.flags != 0); |
| } catch (RemoteException re) { |
| throw new RuntimeException("Package manager has died", re); |
| } |
| } |
| |
| @Override |
| public boolean isProvisioningAllowed(String action, String packageName) { |
| Preconditions.checkNotNull(packageName); |
| |
| final int callingUid = mInjector.binderGetCallingUid(); |
| final long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| final int uidForPackage = mInjector.getPackageManager().getPackageUidAsUser( |
| packageName, UserHandle.getUserId(callingUid)); |
| Preconditions.checkArgument(callingUid == uidForPackage, |
| "Caller uid doesn't match the one for the provided package."); |
| } catch (NameNotFoundException e) { |
| throw new IllegalArgumentException("Invalid package provided " + packageName, e); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| |
| return checkProvisioningPreConditionSkipPermission(action, packageName) == CODE_OK; |
| } |
| |
| @Override |
| public int checkProvisioningPreCondition(String action, String packageName) { |
| Preconditions.checkNotNull(packageName); |
| enforceCanManageProfileAndDeviceOwners(); |
| return checkProvisioningPreConditionSkipPermission(action, packageName); |
| } |
| |
| private int checkProvisioningPreConditionSkipPermission(String action, String packageName) { |
| if (!mHasFeature) { |
| return CODE_DEVICE_ADMIN_NOT_SUPPORTED; |
| } |
| |
| final int callingUserId = mInjector.userHandleGetCallingUserId(); |
| if (action != null) { |
| switch (action) { |
| case DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE: |
| return checkManagedProfileProvisioningPreCondition(packageName, callingUserId); |
| case DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE: |
| return checkDeviceOwnerProvisioningPreCondition(callingUserId); |
| case DevicePolicyManager.ACTION_PROVISION_MANAGED_USER: |
| return checkManagedUserProvisioningPreCondition(callingUserId); |
| case DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE: |
| return checkManagedShareableDeviceProvisioningPreCondition(callingUserId); |
| } |
| } |
| throw new IllegalArgumentException("Unknown provisioning action " + action); |
| } |
| |
| /** |
| * The device owner can only be set before the setup phase of the primary user has completed, |
| * except for adb command if no accounts or additional users are present on the device. |
| */ |
| private int checkDeviceOwnerProvisioningPreConditionLocked(@Nullable ComponentName owner, |
| int deviceOwnerUserId, boolean isAdb, boolean hasIncompatibleAccountsOrNonAdb) { |
| if (mOwners.hasDeviceOwner()) { |
| return CODE_HAS_DEVICE_OWNER; |
| } |
| if (mOwners.hasProfileOwner(deviceOwnerUserId)) { |
| return CODE_USER_HAS_PROFILE_OWNER; |
| } |
| if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { |
| return CODE_USER_NOT_RUNNING; |
| } |
| if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { |
| return CODE_HAS_PAIRED; |
| } |
| if (isAdb) { |
| // if shell command runs after user setup completed check device status. Otherwise, OK. |
| if (mIsWatch || hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { |
| if (!mInjector.userManagerIsSplitSystemUser()) { |
| if (mUserManager.getUserCount() > 1) { |
| return CODE_NONSYSTEM_USER_EXISTS; |
| } |
| if (hasIncompatibleAccountsOrNonAdb) { |
| return CODE_ACCOUNTS_NOT_EMPTY; |
| } |
| } else { |
| // STOPSHIP Do proper check in split user mode |
| } |
| } |
| return CODE_OK; |
| } else { |
| if (!mInjector.userManagerIsSplitSystemUser()) { |
| // In non-split user mode, DO has to be user 0 |
| if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { |
| return CODE_NOT_SYSTEM_USER; |
| } |
| // In non-split user mode, only provision DO before setup wizard completes |
| if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { |
| return CODE_USER_SETUP_COMPLETED; |
| } |
| } else { |
| // STOPSHIP Do proper check in split user mode |
| } |
| return CODE_OK; |
| } |
| } |
| |
| private int checkDeviceOwnerProvisioningPreCondition(int deviceOwnerUserId) { |
| synchronized (this) { |
| // hasIncompatibleAccountsOrNonAdb doesn't matter since the caller is not adb. |
| return checkDeviceOwnerProvisioningPreConditionLocked(/* owner unknown */ null, |
| deviceOwnerUserId, /* isAdb= */ false, |
| /* hasIncompatibleAccountsOrNonAdb=*/ true); |
| } |
| } |
| |
| private int checkManagedProfileProvisioningPreCondition(String packageName, int callingUserId) { |
| if (!hasFeatureManagedUsers()) { |
| return CODE_MANAGED_USERS_NOT_SUPPORTED; |
| } |
| if (callingUserId == UserHandle.USER_SYSTEM |
| && mInjector.userManagerIsSplitSystemUser()) { |
| // Managed-profiles cannot be setup on the system user. |
| return CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; |
| } |
| if (getProfileOwner(callingUserId) != null) { |
| // Managed user cannot have a managed profile. |
| return CODE_USER_HAS_PROFILE_OWNER; |
| } |
| |
| final long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| final UserHandle callingUserHandle = UserHandle.of(callingUserId); |
| if (mUserManager.hasUserRestriction( |
| UserManager.DISALLOW_ADD_MANAGED_PROFILE, callingUserHandle)) { |
| // The DO can initiate provisioning if the restriction was set by the DO. |
| if (!isDeviceOwnerPackage(packageName, callingUserId) |
| || isAdminAffectedByRestriction(mOwners.getDeviceOwnerComponent(), |
| UserManager.DISALLOW_ADD_MANAGED_PROFILE, callingUserId)) { |
| // Caller is not DO or the restriction was set by the system. |
| return CODE_ADD_MANAGED_PROFILE_DISALLOWED; |
| } |
| } |
| |
| // TODO: Allow it if the caller is the DO? DO could just call removeUser() before |
| // provisioning, so not strictly required... |
| boolean canRemoveProfile = !mUserManager.hasUserRestriction( |
| UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, callingUserHandle); |
| if (!mUserManager.canAddMoreManagedProfiles(callingUserId, canRemoveProfile)) { |
| return CODE_CANNOT_ADD_MANAGED_PROFILE; |
| } |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| return CODE_OK; |
| } |
| |
| private int checkManagedUserProvisioningPreCondition(int callingUserId) { |
| if (!hasFeatureManagedUsers()) { |
| return CODE_MANAGED_USERS_NOT_SUPPORTED; |
| } |
| if (!mInjector.userManagerIsSplitSystemUser()) { |
| // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. |
| return CODE_NOT_SYSTEM_USER_SPLIT; |
| } |
| if (callingUserId == UserHandle.USER_SYSTEM) { |
| // System user cannot be a managed user. |
| return CODE_SYSTEM_USER; |
| } |
| if (hasUserSetupCompleted(callingUserId)) { |
| return CODE_USER_SETUP_COMPLETED; |
| } |
| if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { |
| return CODE_HAS_PAIRED; |
| } |
| return CODE_OK; |
| } |
| |
| private int checkManagedShareableDeviceProvisioningPreCondition(int callingUserId) { |
| if (!mInjector.userManagerIsSplitSystemUser()) { |
| // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. |
| return CODE_NOT_SYSTEM_USER_SPLIT; |
| } |
| return checkDeviceOwnerProvisioningPreCondition(callingUserId); |
| } |
| |
| private boolean hasFeatureManagedUsers() { |
| try { |
| return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); |
| } catch (RemoteException e) { |
| return false; |
| } |
| } |
| |
| @Override |
| public String getWifiMacAddress(ComponentName admin) { |
| // Make sure caller has DO. |
| synchronized (this) { |
| getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| } |
| |
| final long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); |
| if (wifiInfo == null) { |
| return null; |
| } |
| return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * Returns the target sdk version number that the given packageName was built for |
| * in the given user. |
| */ |
| private int getTargetSdk(String packageName, int userId) { |
| final ApplicationInfo ai; |
| try { |
| ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); |
| final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; |
| return targetSdkVersion; |
| } catch (RemoteException e) { |
| // Shouldn't happen |
| return 0; |
| } |
| } |
| |
| @Override |
| public boolean isManagedProfile(ComponentName admin) { |
| enforceProfileOrDeviceOwner(admin); |
| return isManagedProfile(mInjector.userHandleGetCallingUserId()); |
| } |
| |
| @Override |
| public boolean isSystemOnlyUser(ComponentName admin) { |
| synchronized (this) { |
| getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| } |
| final int callingUserId = mInjector.userHandleGetCallingUserId(); |
| return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; |
| } |
| |
| @Override |
| public void reboot(ComponentName admin) { |
| Preconditions.checkNotNull(admin); |
| // Make sure caller has DO. |
| synchronized (this) { |
| getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| } |
| long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| // Make sure there are no ongoing calls on the device. |
| if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { |
| throw new IllegalStateException("Cannot be called with ongoing call on the device"); |
| } |
| mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override |
| public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = mInjector.userHandleGetCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminForUidLocked(who, |
| mInjector.binderGetCallingUid()); |
| if (!TextUtils.equals(admin.shortSupportMessage, message)) { |
| admin.shortSupportMessage = message; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| @Override |
| public CharSequence getShortSupportMessage(@NonNull ComponentName who) { |
| if (!mHasFeature) { |
| return null; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminForUidLocked(who, |
| mInjector.binderGetCallingUid()); |
| return admin.shortSupportMessage; |
| } |
| } |
| |
| @Override |
| public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = mInjector.userHandleGetCallingUserId(); |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminForUidLocked(who, |
| mInjector.binderGetCallingUid()); |
| if (!TextUtils.equals(admin.longSupportMessage, message)) { |
| admin.longSupportMessage = message; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| @Override |
| public CharSequence getLongSupportMessage(@NonNull ComponentName who) { |
| if (!mHasFeature) { |
| return null; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminForUidLocked(who, |
| mInjector.binderGetCallingUid()); |
| return admin.longSupportMessage; |
| } |
| } |
| |
| @Override |
| public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return null; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| if (!isCallerWithSystemUid()) { |
| throw new SecurityException("Only the system can query support message for user"); |
| } |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| if (admin != null) { |
| return admin.shortSupportMessage; |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return null; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| if (!isCallerWithSystemUid()) { |
| throw new SecurityException("Only the system can query support message for user"); |
| } |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| if (admin != null) { |
| return admin.longSupportMessage; |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public void setOrganizationColor(@NonNull ComponentName who, int color) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = mInjector.userHandleGetCallingUserId(); |
| enforceManagedProfile(userHandle, "set organization color"); |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| admin.organizationColor = color; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| |
| @Override |
| public void setOrganizationColorForUser(int color, int userId) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceFullCrossUsersPermission(userId); |
| enforceManageUsers(); |
| enforceManagedProfile(userId, "set organization color"); |
| synchronized (this) { |
| ActiveAdmin admin = getProfileOwnerAdminLocked(userId); |
| admin.organizationColor = color; |
| saveSettingsLocked(userId); |
| } |
| } |
| |
| @Override |
| public int getOrganizationColor(@NonNull ComponentName who) { |
| if (!mHasFeature) { |
| return ActiveAdmin.DEF_ORGANIZATION_COLOR; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| return admin.organizationColor; |
| } |
| } |
| |
| @Override |
| public int getOrganizationColorForUser(int userHandle) { |
| if (!mHasFeature) { |
| return ActiveAdmin.DEF_ORGANIZATION_COLOR; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| enforceManagedProfile(userHandle, "get organization color"); |
| synchronized (this) { |
| ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); |
| return (profileOwner != null) |
| ? profileOwner.organizationColor |
| : ActiveAdmin.DEF_ORGANIZATION_COLOR; |
| } |
| } |
| |
| @Override |
| public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| final int userHandle = mInjector.userHandleGetCallingUserId(); |
| |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| if (!TextUtils.equals(admin.organizationName, text)) { |
| admin.organizationName = (text == null || text.length() == 0) |
| ? null : text.toString(); |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| @Override |
| public CharSequence getOrganizationName(@NonNull ComponentName who) { |
| if (!mHasFeature) { |
| return null; |
| } |
| Preconditions.checkNotNull(who, "ComponentName is null"); |
| enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); |
| synchronized(this) { |
| ActiveAdmin admin = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| return admin.organizationName; |
| } |
| } |
| |
| @Override |
| public CharSequence getDeviceOwnerOrganizationName() { |
| if (!mHasFeature) { |
| return null; |
| } |
| enforceDeviceOwnerOrManageUsers(); |
| synchronized(this) { |
| final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); |
| return deviceOwnerAdmin == null ? null : deviceOwnerAdmin.organizationName; |
| } |
| } |
| |
| @Override |
| public CharSequence getOrganizationNameForUser(int userHandle) { |
| if (!mHasFeature) { |
| return null; |
| } |
| enforceFullCrossUsersPermission(userHandle); |
| enforceManagedProfile(userHandle, "get organization name"); |
| synchronized (this) { |
| ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); |
| return (profileOwner != null) |
| ? profileOwner.organizationName |
| : null; |
| } |
| } |
| |
| @Override |
| public void setAffiliationIds(ComponentName admin, List<String> ids) { |
| if (!mHasFeature) { |
| return; |
| } |
| |
| Preconditions.checkNotNull(admin); |
| Preconditions.checkCollectionElementsNotNull(ids, "ids"); |
| |
| final Set<String> affiliationIds = new ArraySet<String>(ids); |
| Preconditions.checkArgument( |
| !affiliationIds.contains(""), "ids must not contain empty strings"); |
| |
| final int callingUserId = mInjector.userHandleGetCallingUserId(); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| getUserData(callingUserId).mAffiliationIds = affiliationIds; |
| saveSettingsLocked(callingUserId); |
| if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { |
| // Affiliation ids specified by the device owner are additionally stored in |
| // UserHandle.USER_SYSTEM's DevicePolicyData. |
| getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; |
| saveSettingsLocked(UserHandle.USER_SYSTEM); |
| } |
| |
| // Affiliation status for any user, not just the calling user, might have changed. |
| // The device owner user will still be affiliated after changing its affiliation ids, |
| // but as a result of that other users might become affiliated or un-affiliated. |
| maybePauseDeviceWideLoggingLocked(); |
| maybeResumeDeviceWideLoggingLocked(); |
| } |
| } |
| |
| @Override |
| public List<String> getAffiliationIds(ComponentName admin) { |
| if (!mHasFeature) { |
| return Collections.emptyList(); |
| } |
| |
| Preconditions.checkNotNull(admin); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| return new ArrayList<String>( |
| getUserData(mInjector.userHandleGetCallingUserId()).mAffiliationIds); |
| } |
| } |
| |
| @Override |
| public boolean isAffiliatedUser() { |
| if (!mHasFeature) { |
| return false; |
| } |
| |
| synchronized (this) { |
| return isUserAffiliatedWithDeviceLocked(mInjector.userHandleGetCallingUserId()); |
| } |
| } |
| |
| private boolean isUserAffiliatedWithDeviceLocked(int userId) { |
| if (!mOwners.hasDeviceOwner()) { |
| return false; |
| } |
| if (userId == mOwners.getDeviceOwnerUserId()) { |
| // The user that the DO is installed on is always affiliated with the device. |
| return true; |
| } |
| if (userId == UserHandle.USER_SYSTEM) { |
| // The system user is always affiliated in a DO device, even if the DO is set on a |
| // different user. This could be the case if the DO is set in the primary user |
| // of a split user device. |
| return true; |
| } |
| final ComponentName profileOwner = getProfileOwner(userId); |
| if (profileOwner == null) { |
| return false; |
| } |
| final Set<String> userAffiliationIds = getUserData(userId).mAffiliationIds; |
| final Set<String> deviceAffiliationIds = |
| getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; |
| for (String id : userAffiliationIds) { |
| if (deviceAffiliationIds.contains(id)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private boolean areAllUsersAffiliatedWithDeviceLocked() { |
| final long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| final List<UserInfo> userInfos = mUserManager.getUsers(); |
| for (int i = 0; i < userInfos.size(); i++) { |
| int userId = userInfos.get(i).id; |
| if (!isUserAffiliatedWithDeviceLocked(userId)) { |
| Slog.d(LOG_TAG, "User id " + userId + " not affiliated."); |
| return false; |
| } |
| } |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(admin); |
| |
| synchronized (this) { |
| getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { |
| return; |
| } |
| mInjector.securityLogSetLoggingEnabledProperty(enabled); |
| if (enabled) { |
| mSecurityLogMonitor.start(); |
| maybePauseDeviceWideLoggingLocked(); |
| } else { |
| mSecurityLogMonitor.stop(); |
| } |
| } |
| } |
| |
| @Override |
| public boolean isSecurityLoggingEnabled(ComponentName admin) { |
| if (!mHasFeature) { |
| return false; |
| } |
| |
| Preconditions.checkNotNull(admin); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| return mInjector.securityLogGetLoggingEnabledProperty(); |
| } |
| } |
| |
| private synchronized void recordSecurityLogRetrievalTime() { |
| final long currentTime = System.currentTimeMillis(); |
| DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); |
| if (currentTime > policyData.mLastSecurityLogRetrievalTime) { |
| policyData.mLastSecurityLogRetrievalTime = currentTime; |
| saveSettingsLocked(UserHandle.USER_SYSTEM); |
| } |
| } |
| |
| @Override |
| public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { |
| if (!mHasFeature) { |
| return null; |
| } |
| |
| Preconditions.checkNotNull(admin); |
| ensureDeviceOwnerAndAllUsersAffiliated(admin); |
| |
| if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs) |
| || !mInjector.securityLogGetLoggingEnabledProperty()) { |
| return null; |
| } |
| |
| recordSecurityLogRetrievalTime(); |
| |
| ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); |
| try { |
| SecurityLog.readPreviousEvents(output); |
| return new ParceledListSlice<SecurityEvent>(output); |
| } catch (IOException e) { |
| Slog.w(LOG_TAG, "Fail to read previous events" , e); |
| return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); |
| } |
| } |
| |
| @Override |
| public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { |
| if (!mHasFeature) { |
| return null; |
| } |
| |
| Preconditions.checkNotNull(admin); |
| ensureDeviceOwnerAndAllUsersAffiliated(admin); |
| |
| if (!mInjector.securityLogGetLoggingEnabledProperty()) { |
| return null; |
| } |
| |
| recordSecurityLogRetrievalTime(); |
| |
| List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); |
| return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; |
| } |
| |
| private void enforceCanManageDeviceAdmin() { |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, |
| null); |
| } |
| |
| private void enforceCanManageProfileAndDeviceOwners() { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); |
| } |
| |
| private void enforceCallerSystemUserHandle() { |
| final int callingUid = mInjector.binderGetCallingUid(); |
| final int userId = UserHandle.getUserId(callingUid); |
| if (userId != UserHandle.USER_SYSTEM) { |
| throw new SecurityException("Caller has to be in user 0"); |
| } |
| } |
| |
| @Override |
| public boolean isUninstallInQueue(final String packageName) { |
| enforceCanManageDeviceAdmin(); |
| final int userId = mInjector.userHandleGetCallingUserId(); |
| Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); |
| synchronized (this) { |
| return mPackagesToRemove.contains(packageUserPair); |
| } |
| } |
| |
| @Override |
| public void uninstallPackageWithActiveAdmins(final String packageName) { |
| enforceCanManageDeviceAdmin(); |
| Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); |
| |
| final int userId = mInjector.userHandleGetCallingUserId(); |
| |
| enforceUserUnlocked(userId); |
| |
| final ComponentName profileOwner = getProfileOwner(userId); |
| if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { |
| throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); |
| } |
| |
| final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); |
| if (getDeviceOwnerUserId() == userId && deviceOwner != null |
| && packageName.equals(deviceOwner.getPackageName())) { |
| throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); |
| } |
| |
| final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); |
| synchronized (this) { |
| mPackagesToRemove.add(packageUserPair); |
| } |
| |
| // All active admins on the user. |
| final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); |
| |
| // Active admins in the target package. |
| final List<ComponentName> packageActiveAdmins = new ArrayList<>(); |
| if (allActiveAdmins != null) { |
| for (ComponentName activeAdmin : allActiveAdmins) { |
| if (packageName.equals(activeAdmin.getPackageName())) { |
| packageActiveAdmins.add(activeAdmin); |
| removeActiveAdmin(activeAdmin, userId); |
| } |
| } |
| } |
| if (packageActiveAdmins.size() == 0) { |
| startUninstallIntent(packageName, userId); |
| } else { |
| mHandler.postDelayed(new Runnable() { |
| @Override |
| public void run() { |
| for (ComponentName activeAdmin : packageActiveAdmins) { |
| removeAdminArtifacts(activeAdmin, userId); |
| } |
| startUninstallIntent(packageName, userId); |
| } |
| }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. |
| } |
| } |
| |
| @Override |
| public boolean isDeviceProvisioned() { |
| return !TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT)); |
| } |
| |
| private void removePackageIfRequired(final String packageName, final int userId) { |
| if (!packageHasActiveAdmins(packageName, userId)) { |
| // Will not do anything if uninstall was not requested or was already started. |
| startUninstallIntent(packageName, userId); |
| } |
| } |
| |
| private void startUninstallIntent(final String packageName, final int userId) { |
| final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); |
| synchronized (this) { |
| if (!mPackagesToRemove.contains(packageUserPair)) { |
| // Do nothing if uninstall was not requested or was already started. |
| return; |
| } |
| mPackagesToRemove.remove(packageUserPair); |
| } |
| try { |
| if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { |
| // Package does not exist. Nothing to do. |
| return; |
| } |
| } catch (RemoteException re) { |
| Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); |
| } |
| |
| try { // force stop the package before uninstalling |
| mInjector.getIActivityManager().forceStopPackage(packageName, userId); |
| } catch (RemoteException re) { |
| Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); |
| } |
| final Uri packageURI = Uri.parse("package:" + packageName); |
| final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); |
| uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); |
| } |
| |
| /** |
| * Removes the admin from the policy. Ideally called after the admin's |
| * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. |
| * |
| * @param adminReceiver The admin to remove |
| * @param userHandle The user for which this admin has to be removed. |
| */ |
| private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { |
| synchronized (this) { |
| final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); |
| if (admin == null) { |
| return; |
| } |
| final DevicePolicyData policy = getUserData(userHandle); |
| final boolean doProxyCleanup = admin.info.usesPolicy( |
| DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); |
| policy.mAdminList.remove(admin); |
| policy.mAdminMap.remove(adminReceiver); |
| validatePasswordOwnerLocked(policy); |
| if (doProxyCleanup) { |
| resetGlobalProxyLocked(policy); |
| } |
| saveSettingsLocked(userHandle); |
| updateMaximumTimeToLockLocked(userHandle); |
| policy.mRemovingAdmins.remove(adminReceiver); |
| |
| Slog.i(LOG_TAG, "Device admin " + adminReceiver + " removed from user " + userHandle); |
| } |
| // The removed admin might have disabled camera, so update user |
| // restrictions. |
| pushUserRestrictions(userHandle); |
| } |
| |
| @Override |
| public void setDeviceProvisioningConfigApplied() { |
| enforceManageUsers(); |
| synchronized (this) { |
| DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); |
| policy.mDeviceProvisioningConfigApplied = true; |
| saveSettingsLocked(UserHandle.USER_SYSTEM); |
| } |
| } |
| |
| @Override |
| public boolean isDeviceProvisioningConfigApplied() { |
| enforceManageUsers(); |
| synchronized (this) { |
| final DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); |
| return policy.mDeviceProvisioningConfigApplied; |
| } |
| } |
| |
| /** |
| * Force update internal persistent state from Settings.Secure.USER_SETUP_COMPLETE. |
| * |
| * It's added for testing only. Please use this API carefully if it's used by other system app |
| * and bare in mind Settings.Secure.USER_SETUP_COMPLETE can be modified by user and other system |
| * apps. |
| */ |
| @Override |
| public void forceUpdateUserSetupComplete() { |
| enforceCanManageProfileAndDeviceOwners(); |
| enforceCallerSystemUserHandle(); |
| // no effect if it's called from user build |
| if (!mInjector.isBuildDebuggable()) { |
| return; |
| } |
| final int userId = UserHandle.USER_SYSTEM; |
| boolean isUserCompleted = mInjector.settingsSecureGetIntForUser( |
| Settings.Secure.USER_SETUP_COMPLETE, 0, userId) != 0; |
| DevicePolicyData policy = getUserData(userId); |
| policy.mUserSetupComplete = isUserCompleted; |
| synchronized (this) { |
| saveSettingsLocked(userId); |
| } |
| } |
| |
| // TODO(b/22388012): When backup is available for secondary users and profiles, consider |
| // whether there are any privacy/security implications of enabling the backup service here |
| // if there are other users or profiles unmanaged or managed by a different entity (i.e. not |
| // affiliated). |
| @Override |
| public void setBackupServiceEnabled(ComponentName admin, boolean enabled) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(admin); |
| synchronized (this) { |
| getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| } |
| |
| final long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| IBackupManager ibm = mInjector.getIBackupManager(); |
| if (ibm != null) { |
| ibm.setBackupServiceActive(UserHandle.USER_SYSTEM, enabled); |
| } |
| } catch (RemoteException e) { |
| throw new IllegalStateException( |
| "Failed " + (enabled ? "" : "de") + "activating backup service.", e); |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| |
| @Override |
| public boolean isBackupServiceEnabled(ComponentName admin) { |
| Preconditions.checkNotNull(admin); |
| if (!mHasFeature) { |
| return true; |
| } |
| synchronized (this) { |
| try { |
| getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| IBackupManager ibm = mInjector.getIBackupManager(); |
| return ibm != null && ibm.isBackupServiceActive(UserHandle.USER_SYSTEM); |
| } catch (RemoteException e) { |
| throw new IllegalStateException("Failed requesting backup service state.", e); |
| } |
| } |
| } |
| |
| @Override |
| public boolean bindDeviceAdminServiceAsUser( |
| @NonNull ComponentName admin, @NonNull IApplicationThread caller, |
| @Nullable IBinder activtiyToken, @NonNull Intent serviceIntent, |
| @NonNull IServiceConnection connection, int flags, @UserIdInt int targetUserId) { |
| if (!mHasFeature) { |
| return false; |
| } |
| Preconditions.checkNotNull(admin); |
| Preconditions.checkNotNull(caller); |
| Preconditions.checkNotNull(serviceIntent); |
| Preconditions.checkArgument( |
| serviceIntent.getComponent() != null || serviceIntent.getPackage() != null, |
| "Service intent must be explicit (with a package name or component): " |
| + serviceIntent); |
| Preconditions.checkNotNull(connection); |
| Preconditions.checkArgument(mInjector.userHandleGetCallingUserId() != targetUserId, |
| "target user id must be different from the calling user id"); |
| |
| if (!getBindDeviceAdminTargetUsers(admin).contains(UserHandle.of(targetUserId))) { |
| throw new SecurityException("Not allowed to bind to target user id"); |
| } |
| |
| final String targetPackage; |
| synchronized (this) { |
| targetPackage = getOwnerPackageNameForUserLocked(targetUserId); |
| } |
| |
| final long callingIdentity = mInjector.binderClearCallingIdentity(); |
| try { |
| // Validate and sanitize the incoming service intent. |
| final Intent sanitizedIntent = |
| createCrossUserServiceIntent(serviceIntent, targetPackage, targetUserId); |
| if (sanitizedIntent == null) { |
| // Fail, cannot lookup the target service. |
| return false; |
| } |
| // Ask ActivityManager to bind it. Notice that we are binding the service with the |
| // caller app instead of DevicePolicyManagerService. |
| return mInjector.getIActivityManager().bindService( |
| caller, activtiyToken, serviceIntent, |
| serviceIntent.resolveTypeIfNeeded(mContext.getContentResolver()), |
| connection, flags, mContext.getOpPackageName(), |
| targetUserId) != 0; |
| } catch (RemoteException ex) { |
| // Same process, should not happen. |
| } finally { |
| mInjector.binderRestoreCallingIdentity(callingIdentity); |
| } |
| |
| // Failed to bind. |
| return false; |
| } |
| |
| @Override |
| public @NonNull List<UserHandle> getBindDeviceAdminTargetUsers(@NonNull ComponentName admin) { |
| if (!mHasFeature) { |
| return Collections.emptyList(); |
| } |
| Preconditions.checkNotNull(admin); |
| ArrayList<UserHandle> targetUsers = new ArrayList<>(); |
| |
| synchronized (this) { |
| ActiveAdmin callingOwner = getActiveAdminForCallerLocked( |
| admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| final int callingUserId = mInjector.userHandleGetCallingUserId(); |
| final boolean isCallerDeviceOwner = isDeviceOwner(callingOwner); |
| final boolean isCallerManagedProfile = isManagedProfile(callingUserId); |
| if ((!isCallerDeviceOwner && !isCallerManagedProfile) |
| || !isUserAffiliatedWithDeviceLocked(callingUserId)) { |
| return targetUsers; |
| } |
| |
| final long callingIdentity = mInjector.binderClearCallingIdentity(); |
| try { |
| String callingOwnerPackage = callingOwner.info.getComponent().getPackageName(); |
| for (int userId : mUserManager.getProfileIdsWithDisabled(callingUserId)) { |
| if (userId == callingUserId) { |
| continue; |
| } |
| |
| // We only allow the device owner and a managed profile owner to bind to each |
| // other. |
| if ((isCallerManagedProfile && userId == mOwners.getDeviceOwnerUserId()) |
| || (isCallerDeviceOwner && isManagedProfile(userId))) { |
| String targetOwnerPackage = getOwnerPackageNameForUserLocked(userId); |
| |
| // Both must be the same package and be affiliated in order to bind. |
| if (callingOwnerPackage.equals(targetOwnerPackage) |
| && isUserAffiliatedWithDeviceLocked(userId)) { |
| targetUsers.add(UserHandle.of(userId)); |
| } |
| } |
| } |
| } finally { |
| mInjector.binderRestoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| return targetUsers; |
| } |
| |
| /** |
| * Return true if a given user has any accounts that'll prevent installing a device or profile |
| * owner {@code owner}. |
| * - If the user has no accounts, then return false. |
| * - Otherwise, if the owner is unknown (== null), or is not test-only, then return true. |
| * - Otherwise, if there's any account that does not have ..._ALLOWED, or does have |
| * ..._DISALLOWED, return true. |
| * - Otherwise return false. |
| * |
| * If the caller is *not* ADB, it also returns true. The returned value shouldn't be used |
| * when the caller is not ADB. |
| * |
| * DO NOT CALL IT WITH THE DPMS LOCK HELD. |
| */ |
| private boolean hasIncompatibleAccountsOrNonAdbNoLock( |
| int userId, @Nullable ComponentName owner) { |
| if (!isAdb()) { |
| return true; |
| } |
| wtfIfInLock(); |
| |
| final long token = mInjector.binderClearCallingIdentity(); |
| try { |
| final AccountManager am = AccountManager.get(mContext); |
| final Account accounts[] = am.getAccountsAsUser(userId); |
| if (accounts.length == 0) { |
| return false; |
| } |
| synchronized (this) { |
| if (owner == null || !isAdminTestOnlyLocked(owner, userId)) { |
| Log.w(LOG_TAG, |
| "Non test-only owner can't be installed with existing accounts."); |
| return true; |
| } |
| } |
| |
| final String[] feature_allow = |
| { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_ALLOWED }; |
| final String[] feature_disallow = |
| { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_DISALLOWED }; |
| |
| boolean compatible = true; |
| for (Account account : accounts) { |
| if (hasAccountFeatures(am, account, feature_disallow)) { |
| Log.e(LOG_TAG, account + " has " + feature_disallow[0]); |
| compatible = false; |
| break; |
| } |
| if (!hasAccountFeatures(am, account, feature_allow)) { |
| Log.e(LOG_TAG, account + " doesn't have " + feature_allow[0]); |
| compatible = false; |
| break; |
| } |
| } |
| if (compatible) { |
| Log.w(LOG_TAG, "All accounts are compatible"); |
| } else { |
| Log.e(LOG_TAG, "Found incompatible accounts"); |
| } |
| return !compatible; |
| } finally { |
| mInjector.binderRestoreCallingIdentity(token); |
| } |
| } |
| |
| private boolean hasAccountFeatures(AccountManager am, Account account, String[] features) { |
| try { |
| return am.hasFeatures(account, features, null, null).getResult(); |
| } catch (Exception e) { |
| Log.w(LOG_TAG, "Failed to get account feature", e); |
| return false; |
| } |
| } |
| |
| private boolean isAdb() { |
| final int callingUid = mInjector.binderGetCallingUid(); |
| return callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; |
| } |
| |
| @Override |
| public synchronized void setNetworkLoggingEnabled(ComponentName admin, boolean enabled) { |
| if (!mHasFeature) { |
| return; |
| } |
| Preconditions.checkNotNull(admin); |
| getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| |
| if (enabled == isNetworkLoggingEnabledInternalLocked()) { |
| // already in the requested state |
| return; |
| } |
| ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); |
| deviceOwner.isNetworkLoggingEnabled = enabled; |
| if (!enabled) { |
| deviceOwner.numNetworkLoggingNotifications = 0; |
| deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; |
| } |
| saveSettingsLocked(mInjector.userHandleGetCallingUserId()); |
| |
| setNetworkLoggingActiveInternal(enabled); |
| } |
| |
| private synchronized void setNetworkLoggingActiveInternal(boolean active) { |
| final long callingIdentity = mInjector.binderClearCallingIdentity(); |
| try { |
| if (active) { |
| mNetworkLogger = new NetworkLogger(this, mInjector.getPackageManagerInternal()); |
| if (!mNetworkLogger.startNetworkLogging()) { |
| mNetworkLogger = null; |
| Slog.wtf(LOG_TAG, "Network logging could not be started due to the logging" |
| + " service not being available yet."); |
| } |
| maybePauseDeviceWideLoggingLocked(); |
| sendNetworkLoggingNotificationLocked(); |
| } else { |
| if (mNetworkLogger != null && !mNetworkLogger.stopNetworkLogging()) { |
| Slog.wtf(LOG_TAG, "Network logging could not be stopped due to the logging" |
| + " service not being available yet."); |
| } |
| mNetworkLogger = null; |
| mInjector.getNotificationManager().cancel(NETWORK_LOGGING_NOTIFICATION_ID); |
| } |
| } finally { |
| mInjector.binderRestoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| /** Pauses security and network logging if there are unaffiliated users on the device */ |
| private void maybePauseDeviceWideLoggingLocked() { |
| if (!areAllUsersAffiliatedWithDeviceLocked()) { |
| Slog.i(LOG_TAG, "There are unaffiliated users, security and network logging will be " |
| + "paused if enabled."); |
| mSecurityLogMonitor.pause(); |
| if (mNetworkLogger != null) { |
| mNetworkLogger.pause(); |
| } |
| } |
| } |
| |
| /** Resumes security and network logging (if they are enabled) if all users are affiliated */ |
| private void maybeResumeDeviceWideLoggingLocked() { |
| if (areAllUsersAffiliatedWithDeviceLocked()) { |
| final long ident = mInjector.binderClearCallingIdentity(); |
| try { |
| mSecurityLogMonitor.resume(); |
| if (mNetworkLogger != null) { |
| mNetworkLogger.resume(); |
| } |
| } finally { |
| mInjector.binderRestoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| /** Deletes any security and network logs that might have been collected so far */ |
| private void discardDeviceWideLogsLocked() { |
| mSecurityLogMonitor.discardLogs(); |
| if (mNetworkLogger != null) { |
| mNetworkLogger.discardLogs(); |
| } |
| // TODO: We should discard pre-boot security logs here too, as otherwise those |
| // logs (which might contain data from the user just removed) will be |
| // available after next boot. |
| } |
| |
| @Override |
| public boolean isNetworkLoggingEnabled(ComponentName admin) { |
| if (!mHasFeature) { |
| return false; |
| } |
| synchronized (this) { |
| enforceDeviceOwnerOrManageUsers(); |
| return isNetworkLoggingEnabledInternalLocked(); |
| } |
| } |
| |
| private boolean isNetworkLoggingEnabledInternalLocked() { |
| ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); |
| return (deviceOwner != null) && deviceOwner.isNetworkLoggingEnabled; |
| } |
| |
| /* |
| * A maximum of 1200 events are returned, and the total marshalled size is in the order of |
| * 100kB, so returning a List instead of ParceledListSlice is acceptable. |
| * Ideally this would be done with ParceledList, however it only supports homogeneous types. |
| * |
| * @see NetworkLoggingHandler#MAX_EVENTS_PER_BATCH |
| */ |
| @Override |
| public List<NetworkEvent> retrieveNetworkLogs(ComponentName admin, long batchToken) { |
| if (!mHasFeature) { |
| return null; |
| } |
| Preconditions.checkNotNull(admin); |
| ensureDeviceOwnerAndAllUsersAffiliated(admin); |
| |
| synchronized (this) { |
| if (mNetworkLogger == null |
| || !isNetworkLoggingEnabledInternalLocked()) { |
| return null; |
| } |
| |
| final long currentTime = System.currentTimeMillis(); |
| DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); |
| if (currentTime > policyData.mLastNetworkLogsRetrievalTime) { |
| policyData.mLastNetworkLogsRetrievalTime = currentTime; |
| saveSettingsLocked(UserHandle.USER_SYSTEM); |
| } |
| return mNetworkLogger.retrieveLogs(batchToken); |
| } |
| } |
| |
| private void sendNetworkLoggingNotificationLocked() { |
| final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); |
| if (deviceOwner == null || !deviceOwner.isNetworkLoggingEnabled) { |
| return; |
| } |
| if (deviceOwner.numNetworkLoggingNotifications >= |
| ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { |
| return; |
| } |
| final long now = System.currentTimeMillis(); |
| if (now - deviceOwner.lastNetworkLoggingNotificationTimeMs < MS_PER_DAY) { |
| return; |
| } |
| deviceOwner.numNetworkLoggingNotifications++; |
| if (deviceOwner.numNetworkLoggingNotifications |
| >= ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { |
| deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; |
| } else { |
| deviceOwner.lastNetworkLoggingNotificationTimeMs = now; |
| } |
| final Intent intent = new Intent(DevicePolicyManager.ACTION_SHOW_DEVICE_MONITORING_DIALOG); |
| intent.setPackage("com.android.systemui"); |
| final PendingIntent pendingIntent = PendingIntent.getBroadcastAsUser(mContext, 0, intent, 0, |
| UserHandle.CURRENT); |
| Notification notification = new Notification.Builder(mContext) |
| .setSmallIcon(R.drawable.ic_qs_network_logging) |
| .setContentTitle(mContext.getString(R.string.network_logging_notification_title)) |
| .setContentText(mContext.getString(R.string.network_logging_notification_text)) |
| .setTicker(mContext.getString(R.string.network_logging_notification_title)) |
| .setShowWhen(true) |
| .setContentIntent(pendingIntent) |
| .build(); |
| mInjector.getNotificationManager().notify(NETWORK_LOGGING_NOTIFICATION_ID, notification); |
| saveSettingsLocked(mOwners.getDeviceOwnerUserId()); |
| } |
| |
| /** |
| * Return the package name of owner in a given user. |
| */ |
| private String getOwnerPackageNameForUserLocked(int userId) { |
| return mOwners.getDeviceOwnerUserId() == userId |
| ? mOwners.getDeviceOwnerPackageName() |
| : mOwners.getProfileOwnerPackage(userId); |
| } |
| |
| /** |
| * @param rawIntent Original service intent specified by caller. It must be explicit. |
| * @param expectedPackageName The expected package name of the resolved service. |
| * @return Intent that have component explicitly set. {@code null} if no service is resolved |
| * with the given intent. |
| * @throws SecurityException if the intent is resolved to an invalid service. |
| */ |
| private Intent createCrossUserServiceIntent( |
| @NonNull Intent rawIntent, @NonNull String expectedPackageName, |
| @UserIdInt int targetUserId) throws RemoteException, SecurityException { |
| ResolveInfo info = mIPackageManager.resolveService( |
| rawIntent, |
| rawIntent.resolveTypeIfNeeded(mContext.getContentResolver()), |
| 0, // flags |
| targetUserId); |
| if (info == null || info.serviceInfo == null) { |
| Log.e(LOG_TAG, "Fail to look up the service: " + rawIntent |
| + " or user " + targetUserId + " is not running"); |
| return null; |
| } |
| if (!expectedPackageName.equals(info.serviceInfo.packageName)) { |
| throw new SecurityException("Only allow to bind service in " + expectedPackageName); |
| } |
| if (info.serviceInfo.exported) { |
| throw new SecurityException("The service must be unexported"); |
| } |
| // It is the system server to bind the service, it would be extremely dangerous if it |
| // can be exploited to bind any service. Set the component explicitly to make sure we |
| // do not bind anything accidentally. |
| rawIntent.setComponent(info.serviceInfo.getComponentName()); |
| return rawIntent; |
| } |
| |
| @Override |
| public long getLastSecurityLogRetrievalTime() { |
| enforceDeviceOwnerOrManageUsers(); |
| return getUserData(UserHandle.USER_SYSTEM).mLastSecurityLogRetrievalTime; |
| } |
| |
| @Override |
| public long getLastBugReportRequestTime() { |
| enforceDeviceOwnerOrManageUsers(); |
| return getUserData(UserHandle.USER_SYSTEM).mLastBugReportRequestTime; |
| } |
| |
| @Override |
| public long getLastNetworkLogRetrievalTime() { |
| enforceDeviceOwnerOrManageUsers(); |
| return getUserData(UserHandle.USER_SYSTEM).mLastNetworkLogsRetrievalTime; |
| } |
| } |