DevicePolicyManagerService.java revision 5bb8294f926dcaf4a7288ba4457d84d57bb4ab53
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.devicepolicy; 18 19import static android.Manifest.permission.BIND_DEVICE_ADMIN; 20import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; 21import static android.app.admin.DevicePolicyManager.CODE_ACCOUNTS_NOT_EMPTY; 22import static android.app.admin.DevicePolicyManager.CODE_ADD_MANAGED_PROFILE_DISALLOWED; 23import static android.app.admin.DevicePolicyManager.CODE_CANNOT_ADD_MANAGED_PROFILE; 24import static android.app.admin.DevicePolicyManager.CODE_DEVICE_ADMIN_NOT_SUPPORTED; 25import static android.app.admin.DevicePolicyManager.CODE_HAS_DEVICE_OWNER; 26import static android.app.admin.DevicePolicyManager.CODE_HAS_PAIRED; 27import static android.app.admin.DevicePolicyManager.CODE_MANAGED_USERS_NOT_SUPPORTED; 28import static android.app.admin.DevicePolicyManager.CODE_NONSYSTEM_USER_EXISTS; 29import static android.app.admin.DevicePolicyManager.CODE_NOT_SYSTEM_USER; 30import static android.app.admin.DevicePolicyManager.CODE_NOT_SYSTEM_USER_SPLIT; 31import static android.app.admin.DevicePolicyManager.CODE_OK; 32import static android.app.admin.DevicePolicyManager.CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 33import static android.app.admin.DevicePolicyManager.CODE_SYSTEM_USER; 34import static android.app.admin.DevicePolicyManager.CODE_USER_HAS_PROFILE_OWNER; 35import static android.app.admin.DevicePolicyManager.CODE_USER_NOT_RUNNING; 36import static android.app.admin.DevicePolicyManager.CODE_USER_SETUP_COMPLETED; 37import static android.app.admin.DevicePolicyManager.DELEGATION_APP_RESTRICTIONS; 38import static android.app.admin.DevicePolicyManager.DELEGATION_BLOCK_UNINSTALL; 39import static android.app.admin.DevicePolicyManager.DELEGATION_CERT_INSTALL; 40import static android.app.admin.DevicePolicyManager.DELEGATION_ENABLE_SYSTEM_APP; 41import static android.app.admin.DevicePolicyManager.DELEGATION_KEEP_UNINSTALLED_PACKAGES; 42import static android.app.admin.DevicePolicyManager.DELEGATION_PACKAGE_ACCESS; 43import static android.app.admin.DevicePolicyManager.DELEGATION_PERMISSION_GRANT; 44import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 45import static android.app.admin.DevicePolicyManager.PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 46import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 47import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 48import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 49 50import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.PROVISIONING_ENTRY_POINT_ADB; 51import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 52import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 53import static org.xmlpull.v1.XmlPullParser.END_TAG; 54import static org.xmlpull.v1.XmlPullParser.TEXT; 55 56import android.Manifest.permission; 57import android.accessibilityservice.AccessibilityServiceInfo; 58import android.accounts.Account; 59import android.accounts.AccountManager; 60import android.annotation.NonNull; 61import android.annotation.Nullable; 62import android.annotation.UserIdInt; 63import android.app.Activity; 64import android.app.ActivityManager; 65import android.app.ActivityManagerInternal; 66import android.app.AlarmManager; 67import android.app.AppGlobals; 68import android.app.IActivityManager; 69import android.app.IApplicationThread; 70import android.app.IServiceConnection; 71import android.app.Notification; 72import android.app.NotificationManager; 73import android.app.PendingIntent; 74import android.app.StatusBarManager; 75import android.app.admin.DeviceAdminInfo; 76import android.app.admin.DeviceAdminReceiver; 77import android.app.admin.DevicePolicyManager; 78import android.app.admin.DevicePolicyManagerInternal; 79import android.app.admin.IDevicePolicyManager; 80import android.app.admin.NetworkEvent; 81import android.app.admin.PasswordMetrics; 82import android.app.admin.SystemUpdateInfo; 83import android.app.admin.SecurityLog; 84import android.app.admin.SecurityLog.SecurityEvent; 85import android.app.admin.SystemUpdatePolicy; 86import android.app.backup.IBackupManager; 87import android.app.trust.TrustManager; 88import android.content.BroadcastReceiver; 89import android.content.ComponentName; 90import android.content.Context; 91import android.content.Intent; 92import android.content.IntentFilter; 93import android.content.pm.ActivityInfo; 94import android.content.pm.ApplicationInfo; 95import android.content.pm.IPackageManager; 96import android.content.pm.PackageInfo; 97import android.content.pm.PackageManager; 98import android.content.pm.PackageManager.NameNotFoundException; 99import android.content.pm.PackageManagerInternal; 100import android.content.pm.ParceledListSlice; 101import android.content.pm.ResolveInfo; 102import android.content.pm.ServiceInfo; 103import android.content.pm.StringParceledListSlice; 104import android.content.pm.UserInfo; 105import android.content.res.Resources; 106import android.database.ContentObserver; 107import android.graphics.Bitmap; 108import android.graphics.Color; 109import android.media.AudioManager; 110import android.media.IAudioService; 111import android.net.ConnectivityManager; 112import android.net.IIpConnectivityMetrics; 113import android.net.ProxyInfo; 114import android.net.Uri; 115import android.net.metrics.IpConnectivityLog; 116import android.net.wifi.WifiInfo; 117import android.net.wifi.WifiManager; 118import android.os.Binder; 119import android.os.Build; 120import android.os.Bundle; 121import android.os.Environment; 122import android.os.FileUtils; 123import android.os.Handler; 124import android.os.IBinder; 125import android.os.Looper; 126import android.os.ParcelFileDescriptor; 127import android.os.PersistableBundle; 128import android.os.PowerManager; 129import android.os.PowerManagerInternal; 130import android.os.Process; 131import android.os.RecoverySystem; 132import android.os.RemoteCallback; 133import android.os.RemoteException; 134import android.os.ServiceManager; 135import android.os.SystemClock; 136import android.os.SystemProperties; 137import android.os.UserHandle; 138import android.os.UserManager; 139import android.os.UserManagerInternal; 140import android.os.storage.StorageManager; 141import android.provider.ContactsContract.QuickContact; 142import android.provider.ContactsInternal; 143import android.provider.Settings; 144import android.security.IKeyChainAliasCallback; 145import android.security.IKeyChainService; 146import android.security.KeyChain; 147import android.security.KeyChain.KeyChainConnection; 148import android.service.persistentdata.PersistentDataBlockManager; 149import android.telephony.TelephonyManager; 150import android.text.TextUtils; 151import android.util.ArrayMap; 152import android.util.ArraySet; 153import android.util.Log; 154import android.util.Pair; 155import android.util.Slog; 156import android.util.SparseArray; 157import android.util.Xml; 158import android.view.IWindowManager; 159import android.view.accessibility.AccessibilityManager; 160import android.view.accessibility.IAccessibilityManager; 161import android.view.inputmethod.InputMethodInfo; 162import android.view.inputmethod.InputMethodManager; 163 164import com.android.internal.R; 165import com.android.internal.annotations.GuardedBy; 166import com.android.internal.annotations.VisibleForTesting; 167import com.android.internal.logging.MetricsLogger; 168import com.android.internal.messages.nano.SystemMessageProto.SystemMessage; 169import com.android.internal.notification.SystemNotificationChannels; 170import com.android.internal.os.BackgroundThread; 171import com.android.internal.statusbar.IStatusBarService; 172import com.android.internal.util.DumpUtils; 173import com.android.internal.util.FastXmlSerializer; 174import com.android.internal.util.JournaledFile; 175import com.android.internal.util.Preconditions; 176import com.android.internal.util.XmlUtils; 177import com.android.internal.widget.LockPatternUtils; 178import com.android.server.LocalServices; 179import com.android.server.SystemService; 180import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 181import com.android.server.pm.UserRestrictionsUtils; 182import com.google.android.collect.Sets; 183 184import org.xmlpull.v1.XmlPullParser; 185import org.xmlpull.v1.XmlPullParserException; 186import org.xmlpull.v1.XmlSerializer; 187 188import java.io.File; 189import java.io.FileDescriptor; 190import java.io.FileInputStream; 191import java.io.FileNotFoundException; 192import java.io.FileOutputStream; 193import java.io.IOException; 194import java.io.PrintWriter; 195import java.nio.charset.StandardCharsets; 196import java.text.DateFormat; 197import java.util.ArrayList; 198import java.util.Arrays; 199import java.util.Collection; 200import java.util.Collections; 201import java.util.Date; 202import java.util.List; 203import java.util.Map.Entry; 204import java.util.Set; 205import java.util.concurrent.TimeUnit; 206import java.util.concurrent.atomic.AtomicBoolean; 207 208/** 209 * Implementation of the device policy APIs. 210 */ 211public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 212 213 protected static final String LOG_TAG = "DevicePolicyManager"; 214 215 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 216 217 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 218 219 private static final String TAG_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; 220 221 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 222 223 private static final String TAG_STATUS_BAR = "statusbar"; 224 225 private static final String ATTR_DISABLED = "disabled"; 226 227 private static final String ATTR_NAME = "name"; 228 229 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 230 "do-not-ask-credentials-on-boot"; 231 232 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 233 234 private static final String TAG_LAST_SECURITY_LOG_RETRIEVAL = "last-security-log-retrieval"; 235 236 private static final String TAG_LAST_BUG_REPORT_REQUEST = "last-bug-report-request"; 237 238 private static final String TAG_LAST_NETWORK_LOG_RETRIEVAL = "last-network-log-retrieval"; 239 240 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 241 242 private static final String TAG_CURRENT_INPUT_METHOD_SET = "current-ime-set"; 243 244 private static final String TAG_OWNER_INSTALLED_CA_CERT = "owner-installed-ca-cert"; 245 246 private static final String ATTR_ID = "id"; 247 248 private static final String ATTR_VALUE = "value"; 249 250 private static final String ATTR_ALIAS = "alias"; 251 252 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 253 254 private static final String TAG_PASSWORD_TOKEN_HANDLE = "password-token"; 255 256 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 257 258 private static final long MS_PER_DAY = TimeUnit.DAYS.toMillis(1); 259 260 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 261 262 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 263 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 264 265 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 266 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 267 private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; 268 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 269 private static final String ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED = 270 "device-provisioning-config-applied"; 271 private static final String ATTR_DEVICE_PAIRED = "device-paired"; 272 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 273 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 274 = "application-restrictions-manager"; 275 276 // Comprehensive list of delegations. 277 private static final String DELEGATIONS[] = { 278 DELEGATION_CERT_INSTALL, 279 DELEGATION_APP_RESTRICTIONS, 280 DELEGATION_BLOCK_UNINSTALL, 281 DELEGATION_ENABLE_SYSTEM_APP, 282 DELEGATION_KEEP_UNINSTALLED_PACKAGES, 283 DELEGATION_PACKAGE_ACCESS, 284 DELEGATION_PERMISSION_GRANT 285 }; 286 287 /** 288 * System property whose value is either "true" or "false", indicating whether 289 * device owner is present. 290 */ 291 private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; 292 293 private static final int STATUS_BAR_DISABLE_MASK = 294 StatusBarManager.DISABLE_EXPAND | 295 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 296 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 297 StatusBarManager.DISABLE_SEARCH; 298 299 private static final int STATUS_BAR_DISABLE2_MASK = 300 StatusBarManager.DISABLE2_QUICK_SETTINGS; 301 302 private static final Set<String> SECURE_SETTINGS_WHITELIST; 303 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 304 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 305 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 306 static { 307 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 308 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 309 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 310 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 311 312 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 313 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 314 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 315 316 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 317 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 318 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 319 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 320 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 321 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 322 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 323 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 324 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 325 326 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 327 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 328 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 329 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 330 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 331 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 332 } 333 334 /** 335 * Keyguard features that when set on a profile affect the profile content or challenge only. 336 * These cannot be set on the managed profile's parent DPM instance 337 */ 338 private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = 339 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 340 341 /** Keyguard features that are allowed to be set on a managed profile */ 342 private static final int PROFILE_KEYGUARD_FEATURES = 343 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; 344 345 private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; 346 347 /** 348 * Minimum timeout in milliseconds after which unlocking with weak auth times out, 349 * i.e. the user has to use a strong authentication method like password, PIN or pattern. 350 */ 351 private static final long MINIMUM_STRONG_AUTH_TIMEOUT_MS = TimeUnit.HOURS.toMillis(1); 352 353 /** 354 * Strings logged with {@link 355 * com.android.internal.logging.nano.MetricsProto.MetricsEvent#PROVISIONING_ENTRY_POINT_ADB}. 356 */ 357 private static final String LOG_TAG_PROFILE_OWNER = "profile-owner"; 358 private static final String LOG_TAG_DEVICE_OWNER = "device-owner"; 359 360 final Context mContext; 361 final Injector mInjector; 362 final IPackageManager mIPackageManager; 363 final UserManager mUserManager; 364 final UserManagerInternal mUserManagerInternal; 365 final TelephonyManager mTelephonyManager; 366 private final LockPatternUtils mLockPatternUtils; 367 private final DeviceAdminServiceController mDeviceAdminServiceController; 368 369 /** 370 * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p 371 * is requested for user u. 372 */ 373 private final Set<Pair<String, Integer>> mPackagesToRemove = 374 new ArraySet<Pair<String, Integer>>(); 375 376 final LocalService mLocalService; 377 378 // Stores and loads state on device and profile owners. 379 @VisibleForTesting 380 final Owners mOwners; 381 382 private final Binder mToken = new Binder(); 383 384 /** 385 * Whether or not device admin feature is supported. If it isn't return defaults for all 386 * public methods. 387 */ 388 boolean mHasFeature; 389 390 /** 391 * Whether or not this device is a watch. 392 */ 393 boolean mIsWatch; 394 395 private final CertificateMonitor mCertificateMonitor; 396 private final SecurityLogMonitor mSecurityLogMonitor; 397 private NetworkLogger mNetworkLogger; 398 399 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 400 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 401 402 private SetupContentObserver mSetupContentObserver; 403 404 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 405 @Override 406 public void run() { 407 if(mRemoteBugreportServiceIsActive.get()) { 408 onBugreportFailed(); 409 } 410 } 411 }; 412 413 /** Listens only if mHasFeature == true. */ 414 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 415 416 @Override 417 public void onReceive(Context context, Intent intent) { 418 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 419 && mRemoteBugreportServiceIsActive.get()) { 420 onBugreportFinished(intent); 421 } 422 } 423 }; 424 425 /** Listens only if mHasFeature == true. */ 426 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 427 428 @Override 429 public void onReceive(Context context, Intent intent) { 430 String action = intent.getAction(); 431 mInjector.getNotificationManager().cancel(LOG_TAG, 432 RemoteBugreportUtils.NOTIFICATION_ID); 433 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 434 onBugreportSharingAccepted(); 435 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 436 onBugreportSharingDeclined(); 437 } 438 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 439 } 440 }; 441 442 public static final class Lifecycle extends SystemService { 443 private DevicePolicyManagerService mService; 444 445 public Lifecycle(Context context) { 446 super(context); 447 mService = new DevicePolicyManagerService(context); 448 } 449 450 @Override 451 public void onStart() { 452 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 453 } 454 455 @Override 456 public void onBootPhase(int phase) { 457 mService.systemReady(phase); 458 } 459 460 @Override 461 public void onStartUser(int userHandle) { 462 mService.handleStartUser(userHandle); 463 } 464 465 @Override 466 public void onUnlockUser(int userHandle) { 467 mService.handleUnlockUser(userHandle); 468 } 469 470 @Override 471 public void onStopUser(int userHandle) { 472 mService.handleStopUser(userHandle); 473 } 474 } 475 476 public static class DevicePolicyData { 477 @NonNull PasswordMetrics mActivePasswordMetrics = new PasswordMetrics(); 478 int mFailedPasswordAttempts = 0; 479 480 int mUserHandle; 481 int mPasswordOwner = -1; 482 long mLastMaximumTimeToLock = -1; 483 boolean mUserSetupComplete = false; 484 boolean mPaired = false; 485 int mUserProvisioningState; 486 int mPermissionPolicy; 487 488 boolean mDeviceProvisioningConfigApplied = false; 489 490 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 491 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 492 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 493 494 // TODO(b/35385311): Keep track of metadata in TrustedCertificateStore instead. 495 final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); 496 497 // This is the list of component allowed to start lock task mode. 498 List<String> mLockTaskPackages = new ArrayList<>(); 499 500 boolean mStatusBarDisabled = false; 501 502 ComponentName mRestrictionsProvider; 503 504 // Map of delegate package to delegation scopes 505 final ArrayMap<String, List<String>> mDelegationMap = new ArrayMap<>(); 506 507 boolean doNotAskCredentialsOnBoot = false; 508 509 Set<String> mAffiliationIds = new ArraySet<>(); 510 511 long mLastSecurityLogRetrievalTime = -1; 512 513 long mLastBugReportRequestTime = -1; 514 515 long mLastNetworkLogsRetrievalTime = -1; 516 517 boolean mCurrentInputMethodSet = false; 518 519 // TODO(b/35385311): Keep track of metadata in TrustedCertificateStore instead. 520 Set<String> mOwnerInstalledCaCerts = new ArraySet<>(); 521 522 // Used for initialization of users created by createAndManageUsers. 523 boolean mAdminBroadcastPending = false; 524 PersistableBundle mInitBundle = null; 525 526 long mPasswordTokenHandle = 0; 527 528 public DevicePolicyData(int userHandle) { 529 mUserHandle = userHandle; 530 } 531 } 532 533 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 534 535 final Handler mHandler; 536 final Handler mBackgroundHandler; 537 538 /** Listens only if mHasFeature == true. */ 539 final BroadcastReceiver mReceiver = new BroadcastReceiver() { 540 @Override 541 public void onReceive(Context context, Intent intent) { 542 final String action = intent.getAction(); 543 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 544 getSendingUserId()); 545 546 /* 547 * Network logging would ideally be started in setDeviceOwnerSystemPropertyLocked(), 548 * however it's too early in the boot process to register with IIpConnectivityMetrics 549 * to listen for events. 550 */ 551 if (Intent.ACTION_USER_STARTED.equals(action) 552 && userHandle == mOwners.getDeviceOwnerUserId()) { 553 synchronized (DevicePolicyManagerService.this) { 554 if (isNetworkLoggingEnabledInternalLocked()) { 555 setNetworkLoggingActiveInternal(true); 556 } 557 } 558 } 559 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 560 && userHandle == mOwners.getDeviceOwnerUserId() 561 && getDeviceOwnerRemoteBugreportUri() != null) { 562 IntentFilter filterConsent = new IntentFilter(); 563 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 564 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 565 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 566 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 567 RemoteBugreportUtils.NOTIFICATION_ID, 568 RemoteBugreportUtils.buildNotification(mContext, 569 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 570 UserHandle.ALL); 571 } 572 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 573 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 574 if (VERBOSE_LOG) { 575 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 576 + action + " for user " + userHandle); 577 } 578 mHandler.post(new Runnable() { 579 @Override 580 public void run() { 581 handlePasswordExpirationNotification(userHandle); 582 } 583 }); 584 } 585 586 if (Intent.ACTION_USER_ADDED.equals(action)) { 587 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_ADDED, userHandle); 588 synchronized (DevicePolicyManagerService.this) { 589 // It might take a while for the user to become affiliated. Make security 590 // and network logging unavailable in the meantime. 591 maybePauseDeviceWideLoggingLocked(); 592 } 593 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 594 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_REMOVED, userHandle); 595 synchronized (DevicePolicyManagerService.this) { 596 // Check whether the user is affiliated, *before* removing its data. 597 boolean isRemovedUserAffiliated = isUserAffiliatedWithDeviceLocked(userHandle); 598 removeUserData(userHandle); 599 if (!isRemovedUserAffiliated) { 600 // We discard the logs when unaffiliated users are deleted (so that the 601 // device owner cannot retrieve data about that user after it's gone). 602 discardDeviceWideLogsLocked(); 603 // Resume logging if all remaining users are affiliated. 604 maybeResumeDeviceWideLoggingLocked(); 605 } 606 } 607 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 608 synchronized (DevicePolicyManagerService.this) { 609 // Reset the policy data 610 mUserData.remove(userHandle); 611 sendAdminEnabledBroadcastLocked(userHandle); 612 } 613 handlePackagesChanged(null /* check all admins */, userHandle); 614 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 615 handlePackagesChanged(null /* check all admins */, userHandle); 616 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 617 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 618 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 619 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 620 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 621 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 622 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 623 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 624 clearWipeProfileNotification(); 625 } 626 } 627 628 private void sendUserAddedOrRemovedCommand(String action, int userHandle) { 629 synchronized (DevicePolicyManagerService.this) { 630 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 631 if (deviceOwner != null) { 632 Bundle extras = new Bundle(); 633 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 634 sendAdminCommandLocked(deviceOwner, action, extras, null); 635 } 636 } 637 } 638 }; 639 640 static class ActiveAdmin { 641 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 642 private static final String TAG_TEST_ONLY_ADMIN = "test-only-admin"; 643 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 644 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 645 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 646 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 647 = "disable-bt-contacts-sharing"; 648 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 649 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 650 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 651 private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; 652 private static final String TAG_IS_NETWORK_LOGGING_ENABLED = "is_network_logging_enabled"; 653 private static final String TAG_ACCOUNT_TYPE = "account-type"; 654 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 655 = "permitted-accessiblity-services"; 656 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 657 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 658 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 659 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 660 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 661 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 662 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 663 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 664 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 665 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 666 private static final String TAG_PERMITTED_NOTIFICATION_LISTENERS = 667 "permitted-notification-listeners"; 668 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 669 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 670 private static final String TAG_STRONG_AUTH_UNLOCK_TIMEOUT = "strong-auth-unlock-timeout"; 671 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 672 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 673 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 674 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 675 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 676 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 677 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 678 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 679 private static final String ATTR_VALUE = "value"; 680 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 681 private static final String TAG_POLICIES = "policies"; 682 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 683 "cross-profile-widget-providers"; 684 private static final String TAG_PROVIDER = "provider"; 685 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 686 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 687 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 688 private static final String TAG_DEFAULT_ENABLED_USER_RESTRICTIONS = 689 "default-enabled-user-restrictions"; 690 private static final String TAG_RESTRICTION = "restriction"; 691 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 692 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 693 private static final String TAG_PARENT_ADMIN = "parent-admin"; 694 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 695 private static final String TAG_ORGANIZATION_NAME = "organization-name"; 696 private static final String ATTR_LAST_NETWORK_LOGGING_NOTIFICATION = "last-notification"; 697 private static final String ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS = "num-notifications"; 698 699 final DeviceAdminInfo info; 700 701 702 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 703 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 704 705 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 706 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 707 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 708 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 709 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 710 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 711 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 712 @NonNull 713 PasswordMetrics minimumPasswordMetrics = new PasswordMetrics( 714 DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, DEF_MINIMUM_PASSWORD_LENGTH, 715 DEF_MINIMUM_PASSWORD_LETTERS, DEF_MINIMUM_PASSWORD_UPPER_CASE, 716 DEF_MINIMUM_PASSWORD_LOWER_CASE, DEF_MINIMUM_PASSWORD_NUMERIC, 717 DEF_MINIMUM_PASSWORD_SYMBOLS, DEF_MINIMUM_PASSWORD_NON_LETTER); 718 719 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 720 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 721 722 long strongAuthUnlockTimeout = 0; // admin doesn't participate by default 723 724 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 725 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 726 727 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 728 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 729 730 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 731 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 732 733 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 734 735 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 736 737 boolean encryptionRequested = false; 738 boolean testOnlyAdmin = false; 739 boolean disableCamera = false; 740 boolean disableCallerId = false; 741 boolean disableContactsSearch = false; 742 boolean disableBluetoothContactSharing = true; 743 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 744 boolean requireAutoTime = false; // Can only be set by a device owner. 745 boolean forceEphemeralUsers = false; // Can only be set by a device owner. 746 boolean isNetworkLoggingEnabled = false; // Can only be set by a device owner. 747 748 // one notification after enabling + one more after reboots 749 static final int DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN = 2; 750 int numNetworkLoggingNotifications = 0; 751 long lastNetworkLoggingNotificationTimeMs = 0; // Time in milliseconds since epoch 752 753 ActiveAdmin parentAdmin; 754 final boolean isParent; 755 756 static class TrustAgentInfo { 757 public PersistableBundle options; 758 TrustAgentInfo(PersistableBundle bundle) { 759 options = bundle; 760 } 761 } 762 763 final Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 764 765 // The list of permitted accessibility services package namesas set by a profile 766 // or device owner. Null means all accessibility services are allowed, empty means 767 // none except system services are allowed. 768 List<String> permittedAccessiblityServices; 769 770 // The list of permitted input methods package names as set by a profile or device owner. 771 // Null means all input methods are allowed, empty means none except system imes are 772 // allowed. 773 List<String> permittedInputMethods; 774 775 // The list of packages allowed to use a NotificationListenerService to receive events for 776 // notifications from this user. Null means that all packages are allowed. Empty list means 777 // that only packages from the system are allowed. 778 List<String> permittedNotificationListeners; 779 780 // List of package names to keep cached. 781 List<String> keepUninstalledPackages; 782 783 // TODO: review implementation decisions with frameworks team 784 boolean specifiesGlobalProxy = false; 785 String globalProxySpec = null; 786 String globalProxyExclusionList = null; 787 788 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 789 790 List<String> crossProfileWidgetProviders; 791 792 Bundle userRestrictions; 793 794 // User restrictions that have already been enabled by default for this admin (either when 795 // setting the device or profile owner, or during a system update if one of those "enabled 796 // by default" restrictions is newly added). 797 final Set<String> defaultEnabledRestrictionsAlreadySet = new ArraySet<>(); 798 799 // Support text provided by the admin to display to the user. 800 CharSequence shortSupportMessage = null; 801 CharSequence longSupportMessage = null; 802 803 // Background color of confirm credentials screen. Default: teal. 804 static final int DEF_ORGANIZATION_COLOR = Color.parseColor("#00796B"); 805 int organizationColor = DEF_ORGANIZATION_COLOR; 806 807 // Default title of confirm credentials screen 808 String organizationName = null; 809 810 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 811 info = _info; 812 isParent = parent; 813 } 814 815 ActiveAdmin getParentActiveAdmin() { 816 Preconditions.checkState(!isParent); 817 818 if (parentAdmin == null) { 819 parentAdmin = new ActiveAdmin(info, /* parent */ true); 820 } 821 return parentAdmin; 822 } 823 824 boolean hasParentActiveAdmin() { 825 return parentAdmin != null; 826 } 827 828 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 829 830 public UserHandle getUserHandle() { 831 return UserHandle.of(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 832 } 833 834 void writeToXml(XmlSerializer out) 835 throws IllegalArgumentException, IllegalStateException, IOException { 836 out.startTag(null, TAG_POLICIES); 837 info.writePoliciesToXml(out); 838 out.endTag(null, TAG_POLICIES); 839 if (minimumPasswordMetrics.quality 840 != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 841 out.startTag(null, TAG_PASSWORD_QUALITY); 842 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.quality)); 843 out.endTag(null, TAG_PASSWORD_QUALITY); 844 if (minimumPasswordMetrics.length != DEF_MINIMUM_PASSWORD_LENGTH) { 845 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 846 out.attribute( 847 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.length)); 848 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 849 } 850 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 851 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 852 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 853 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 854 } 855 if (minimumPasswordMetrics.upperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 856 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 857 out.attribute( 858 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.upperCase)); 859 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 860 } 861 if (minimumPasswordMetrics.lowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 862 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 863 out.attribute( 864 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.lowerCase)); 865 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 866 } 867 if (minimumPasswordMetrics.letters != DEF_MINIMUM_PASSWORD_LETTERS) { 868 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 869 out.attribute( 870 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.letters)); 871 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 872 } 873 if (minimumPasswordMetrics.numeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 874 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 875 out.attribute( 876 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.numeric)); 877 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 878 } 879 if (minimumPasswordMetrics.symbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 880 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 881 out.attribute( 882 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.symbols)); 883 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 884 } 885 if (minimumPasswordMetrics.nonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 886 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 887 out.attribute( 888 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.nonLetter)); 889 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 890 } 891 } 892 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 893 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 894 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 895 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 896 } 897 if (strongAuthUnlockTimeout != DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 898 out.startTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 899 out.attribute(null, ATTR_VALUE, Long.toString(strongAuthUnlockTimeout)); 900 out.endTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 901 } 902 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 903 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 904 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 905 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 906 } 907 if (specifiesGlobalProxy) { 908 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 909 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 910 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 911 if (globalProxySpec != null) { 912 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 913 out.attribute(null, ATTR_VALUE, globalProxySpec); 914 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 915 } 916 if (globalProxyExclusionList != null) { 917 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 918 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 919 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 920 } 921 } 922 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 923 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 924 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 925 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 926 } 927 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 928 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 929 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 930 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 931 } 932 if (encryptionRequested) { 933 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 934 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 935 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 936 } 937 if (testOnlyAdmin) { 938 out.startTag(null, TAG_TEST_ONLY_ADMIN); 939 out.attribute(null, ATTR_VALUE, Boolean.toString(testOnlyAdmin)); 940 out.endTag(null, TAG_TEST_ONLY_ADMIN); 941 } 942 if (disableCamera) { 943 out.startTag(null, TAG_DISABLE_CAMERA); 944 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 945 out.endTag(null, TAG_DISABLE_CAMERA); 946 } 947 if (disableCallerId) { 948 out.startTag(null, TAG_DISABLE_CALLER_ID); 949 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 950 out.endTag(null, TAG_DISABLE_CALLER_ID); 951 } 952 if (disableContactsSearch) { 953 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 954 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 955 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 956 } 957 if (!disableBluetoothContactSharing) { 958 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 959 out.attribute(null, ATTR_VALUE, 960 Boolean.toString(disableBluetoothContactSharing)); 961 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 962 } 963 if (disableScreenCapture) { 964 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 965 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 966 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 967 } 968 if (requireAutoTime) { 969 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 970 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 971 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 972 } 973 if (forceEphemeralUsers) { 974 out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); 975 out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); 976 out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); 977 } 978 if (isNetworkLoggingEnabled) { 979 out.startTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 980 out.attribute(null, ATTR_VALUE, Boolean.toString(isNetworkLoggingEnabled)); 981 out.attribute(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS, 982 Integer.toString(numNetworkLoggingNotifications)); 983 out.attribute(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION, 984 Long.toString(lastNetworkLoggingNotificationTimeMs)); 985 out.endTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 986 } 987 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 988 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 989 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 990 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 991 } 992 if (!accountTypesWithManagementDisabled.isEmpty()) { 993 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 994 writeAttributeValuesToXml( 995 out, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 996 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 997 } 998 if (!trustAgentInfos.isEmpty()) { 999 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 1000 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 1001 for (Entry<String, TrustAgentInfo> entry : set) { 1002 TrustAgentInfo trustAgentInfo = entry.getValue(); 1003 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 1004 out.attribute(null, ATTR_VALUE, entry.getKey()); 1005 if (trustAgentInfo.options != null) { 1006 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 1007 try { 1008 trustAgentInfo.options.saveToXml(out); 1009 } catch (XmlPullParserException e) { 1010 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 1011 } 1012 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 1013 } 1014 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 1015 } 1016 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 1017 } 1018 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 1019 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 1020 writeAttributeValuesToXml(out, TAG_PROVIDER, crossProfileWidgetProviders); 1021 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 1022 } 1023 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 1024 permittedAccessiblityServices); 1025 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 1026 writePackageListToXml(out, TAG_PERMITTED_NOTIFICATION_LISTENERS, 1027 permittedNotificationListeners); 1028 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 1029 if (hasUserRestrictions()) { 1030 UserRestrictionsUtils.writeRestrictions( 1031 out, userRestrictions, TAG_USER_RESTRICTIONS); 1032 } 1033 if (!defaultEnabledRestrictionsAlreadySet.isEmpty()) { 1034 out.startTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 1035 writeAttributeValuesToXml( 1036 out, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 1037 out.endTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 1038 } 1039 if (!TextUtils.isEmpty(shortSupportMessage)) { 1040 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 1041 out.text(shortSupportMessage.toString()); 1042 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 1043 } 1044 if (!TextUtils.isEmpty(longSupportMessage)) { 1045 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 1046 out.text(longSupportMessage.toString()); 1047 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 1048 } 1049 if (parentAdmin != null) { 1050 out.startTag(null, TAG_PARENT_ADMIN); 1051 parentAdmin.writeToXml(out); 1052 out.endTag(null, TAG_PARENT_ADMIN); 1053 } 1054 if (organizationColor != DEF_ORGANIZATION_COLOR) { 1055 out.startTag(null, TAG_ORGANIZATION_COLOR); 1056 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 1057 out.endTag(null, TAG_ORGANIZATION_COLOR); 1058 } 1059 if (organizationName != null) { 1060 out.startTag(null, TAG_ORGANIZATION_NAME); 1061 out.text(organizationName); 1062 out.endTag(null, TAG_ORGANIZATION_NAME); 1063 } 1064 } 1065 1066 void writePackageListToXml(XmlSerializer out, String outerTag, 1067 List<String> packageList) 1068 throws IllegalArgumentException, IllegalStateException, IOException { 1069 if (packageList == null) { 1070 return; 1071 } 1072 1073 out.startTag(null, outerTag); 1074 writeAttributeValuesToXml(out, TAG_PACKAGE_LIST_ITEM, packageList); 1075 out.endTag(null, outerTag); 1076 } 1077 1078 void writeAttributeValuesToXml(XmlSerializer out, String tag, 1079 @NonNull Collection<String> values) throws IOException { 1080 for (String value : values) { 1081 out.startTag(null, tag); 1082 out.attribute(null, ATTR_VALUE, value); 1083 out.endTag(null, tag); 1084 } 1085 } 1086 1087 void readFromXml(XmlPullParser parser) 1088 throws XmlPullParserException, IOException { 1089 int outerDepth = parser.getDepth(); 1090 int type; 1091 while ((type=parser.next()) != END_DOCUMENT 1092 && (type != END_TAG || parser.getDepth() > outerDepth)) { 1093 if (type == END_TAG || type == TEXT) { 1094 continue; 1095 } 1096 String tag = parser.getName(); 1097 if (TAG_POLICIES.equals(tag)) { 1098 info.readPoliciesFromXml(parser); 1099 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 1100 minimumPasswordMetrics.quality = Integer.parseInt( 1101 parser.getAttributeValue(null, ATTR_VALUE)); 1102 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 1103 minimumPasswordMetrics.length = Integer.parseInt( 1104 parser.getAttributeValue(null, ATTR_VALUE)); 1105 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 1106 passwordHistoryLength = Integer.parseInt( 1107 parser.getAttributeValue(null, ATTR_VALUE)); 1108 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 1109 minimumPasswordMetrics.upperCase = Integer.parseInt( 1110 parser.getAttributeValue(null, ATTR_VALUE)); 1111 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 1112 minimumPasswordMetrics.lowerCase = Integer.parseInt( 1113 parser.getAttributeValue(null, ATTR_VALUE)); 1114 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 1115 minimumPasswordMetrics.letters = Integer.parseInt( 1116 parser.getAttributeValue(null, ATTR_VALUE)); 1117 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 1118 minimumPasswordMetrics.numeric = Integer.parseInt( 1119 parser.getAttributeValue(null, ATTR_VALUE)); 1120 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 1121 minimumPasswordMetrics.symbols = Integer.parseInt( 1122 parser.getAttributeValue(null, ATTR_VALUE)); 1123 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 1124 minimumPasswordMetrics.nonLetter = Integer.parseInt( 1125 parser.getAttributeValue(null, ATTR_VALUE)); 1126 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 1127 maximumTimeToUnlock = Long.parseLong( 1128 parser.getAttributeValue(null, ATTR_VALUE)); 1129 } else if (TAG_STRONG_AUTH_UNLOCK_TIMEOUT.equals(tag)) { 1130 strongAuthUnlockTimeout = Long.parseLong( 1131 parser.getAttributeValue(null, ATTR_VALUE)); 1132 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 1133 maximumFailedPasswordsForWipe = Integer.parseInt( 1134 parser.getAttributeValue(null, ATTR_VALUE)); 1135 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 1136 specifiesGlobalProxy = Boolean.parseBoolean( 1137 parser.getAttributeValue(null, ATTR_VALUE)); 1138 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 1139 globalProxySpec = 1140 parser.getAttributeValue(null, ATTR_VALUE); 1141 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 1142 globalProxyExclusionList = 1143 parser.getAttributeValue(null, ATTR_VALUE); 1144 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 1145 passwordExpirationTimeout = Long.parseLong( 1146 parser.getAttributeValue(null, ATTR_VALUE)); 1147 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 1148 passwordExpirationDate = Long.parseLong( 1149 parser.getAttributeValue(null, ATTR_VALUE)); 1150 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 1151 encryptionRequested = Boolean.parseBoolean( 1152 parser.getAttributeValue(null, ATTR_VALUE)); 1153 } else if (TAG_TEST_ONLY_ADMIN.equals(tag)) { 1154 testOnlyAdmin = Boolean.parseBoolean( 1155 parser.getAttributeValue(null, ATTR_VALUE)); 1156 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 1157 disableCamera = Boolean.parseBoolean( 1158 parser.getAttributeValue(null, ATTR_VALUE)); 1159 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 1160 disableCallerId = Boolean.parseBoolean( 1161 parser.getAttributeValue(null, ATTR_VALUE)); 1162 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 1163 disableContactsSearch = Boolean.parseBoolean( 1164 parser.getAttributeValue(null, ATTR_VALUE)); 1165 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 1166 disableBluetoothContactSharing = Boolean.parseBoolean(parser 1167 .getAttributeValue(null, ATTR_VALUE)); 1168 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 1169 disableScreenCapture = Boolean.parseBoolean( 1170 parser.getAttributeValue(null, ATTR_VALUE)); 1171 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 1172 requireAutoTime = Boolean.parseBoolean( 1173 parser.getAttributeValue(null, ATTR_VALUE)); 1174 } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) { 1175 forceEphemeralUsers = Boolean.parseBoolean( 1176 parser.getAttributeValue(null, ATTR_VALUE)); 1177 } else if (TAG_IS_NETWORK_LOGGING_ENABLED.equals(tag)) { 1178 isNetworkLoggingEnabled = Boolean.parseBoolean( 1179 parser.getAttributeValue(null, ATTR_VALUE)); 1180 lastNetworkLoggingNotificationTimeMs = Long.parseLong( 1181 parser.getAttributeValue(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION)); 1182 numNetworkLoggingNotifications = Integer.parseInt( 1183 parser.getAttributeValue(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS)); 1184 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 1185 disabledKeyguardFeatures = Integer.parseInt( 1186 parser.getAttributeValue(null, ATTR_VALUE)); 1187 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 1188 readAttributeValues( 1189 parser, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 1190 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 1191 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 1192 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 1193 crossProfileWidgetProviders = new ArrayList<>(); 1194 readAttributeValues(parser, TAG_PROVIDER, crossProfileWidgetProviders); 1195 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 1196 permittedAccessiblityServices = readPackageList(parser, tag); 1197 } else if (TAG_PERMITTED_IMES.equals(tag)) { 1198 permittedInputMethods = readPackageList(parser, tag); 1199 } else if (TAG_PERMITTED_NOTIFICATION_LISTENERS.equals(tag)) { 1200 permittedNotificationListeners = readPackageList(parser, tag); 1201 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 1202 keepUninstalledPackages = readPackageList(parser, tag); 1203 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 1204 userRestrictions = UserRestrictionsUtils.readRestrictions(parser); 1205 } else if (TAG_DEFAULT_ENABLED_USER_RESTRICTIONS.equals(tag)) { 1206 readAttributeValues( 1207 parser, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 1208 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 1209 type = parser.next(); 1210 if (type == XmlPullParser.TEXT) { 1211 shortSupportMessage = parser.getText(); 1212 } else { 1213 Log.w(LOG_TAG, "Missing text when loading short support message"); 1214 } 1215 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 1216 type = parser.next(); 1217 if (type == XmlPullParser.TEXT) { 1218 longSupportMessage = parser.getText(); 1219 } else { 1220 Log.w(LOG_TAG, "Missing text when loading long support message"); 1221 } 1222 } else if (TAG_PARENT_ADMIN.equals(tag)) { 1223 Preconditions.checkState(!isParent); 1224 1225 parentAdmin = new ActiveAdmin(info, /* parent */ true); 1226 parentAdmin.readFromXml(parser); 1227 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 1228 organizationColor = Integer.parseInt( 1229 parser.getAttributeValue(null, ATTR_VALUE)); 1230 } else if (TAG_ORGANIZATION_NAME.equals(tag)) { 1231 type = parser.next(); 1232 if (type == XmlPullParser.TEXT) { 1233 organizationName = parser.getText(); 1234 } else { 1235 Log.w(LOG_TAG, "Missing text when loading organization name"); 1236 } 1237 } else { 1238 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 1239 XmlUtils.skipCurrentTag(parser); 1240 } 1241 } 1242 } 1243 1244 private List<String> readPackageList(XmlPullParser parser, 1245 String tag) throws XmlPullParserException, IOException { 1246 List<String> result = new ArrayList<String>(); 1247 int outerDepth = parser.getDepth(); 1248 int outerType; 1249 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 1250 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1251 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 1252 continue; 1253 } 1254 String outerTag = parser.getName(); 1255 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 1256 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 1257 if (packageName != null) { 1258 result.add(packageName); 1259 } else { 1260 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 1261 } 1262 } else { 1263 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 1264 } 1265 } 1266 return result; 1267 } 1268 1269 private void readAttributeValues( 1270 XmlPullParser parser, String tag, Collection<String> result) 1271 throws XmlPullParserException, IOException { 1272 result.clear(); 1273 int outerDepthDAM = parser.getDepth(); 1274 int typeDAM; 1275 while ((typeDAM=parser.next()) != END_DOCUMENT 1276 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1277 if (typeDAM == END_TAG || typeDAM == TEXT) { 1278 continue; 1279 } 1280 String tagDAM = parser.getName(); 1281 if (tag.equals(tagDAM)) { 1282 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1283 } else { 1284 Slog.e(LOG_TAG, "Expected tag " + tag + " but found " + tagDAM); 1285 } 1286 } 1287 } 1288 1289 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1290 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1291 int outerDepthDAM = parser.getDepth(); 1292 int typeDAM; 1293 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1294 while ((typeDAM=parser.next()) != END_DOCUMENT 1295 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1296 if (typeDAM == END_TAG || typeDAM == TEXT) { 1297 continue; 1298 } 1299 String tagDAM = parser.getName(); 1300 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1301 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1302 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1303 result.put(component, trustAgentInfo); 1304 } else { 1305 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1306 } 1307 } 1308 return result; 1309 } 1310 1311 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1312 throws XmlPullParserException, IOException { 1313 int outerDepthDAM = parser.getDepth(); 1314 int typeDAM; 1315 TrustAgentInfo result = new TrustAgentInfo(null); 1316 while ((typeDAM=parser.next()) != END_DOCUMENT 1317 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1318 if (typeDAM == END_TAG || typeDAM == TEXT) { 1319 continue; 1320 } 1321 String tagDAM = parser.getName(); 1322 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1323 result.options = PersistableBundle.restoreFromXml(parser); 1324 } else { 1325 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1326 } 1327 } 1328 return result; 1329 } 1330 1331 boolean hasUserRestrictions() { 1332 return userRestrictions != null && userRestrictions.size() > 0; 1333 } 1334 1335 Bundle ensureUserRestrictions() { 1336 if (userRestrictions == null) { 1337 userRestrictions = new Bundle(); 1338 } 1339 return userRestrictions; 1340 } 1341 1342 void dump(String prefix, PrintWriter pw) { 1343 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1344 pw.print(prefix); pw.print("testOnlyAdmin="); 1345 pw.println(testOnlyAdmin); 1346 pw.print(prefix); pw.println("policies:"); 1347 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1348 if (pols != null) { 1349 for (int i=0; i<pols.size(); i++) { 1350 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1351 } 1352 } 1353 pw.print(prefix); pw.print("passwordQuality=0x"); 1354 pw.println(Integer.toHexString(minimumPasswordMetrics.quality)); 1355 pw.print(prefix); pw.print("minimumPasswordLength="); 1356 pw.println(minimumPasswordMetrics.length); 1357 pw.print(prefix); pw.print("passwordHistoryLength="); 1358 pw.println(passwordHistoryLength); 1359 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1360 pw.println(minimumPasswordMetrics.upperCase); 1361 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1362 pw.println(minimumPasswordMetrics.lowerCase); 1363 pw.print(prefix); pw.print("minimumPasswordLetters="); 1364 pw.println(minimumPasswordMetrics.letters); 1365 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1366 pw.println(minimumPasswordMetrics.numeric); 1367 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1368 pw.println(minimumPasswordMetrics.symbols); 1369 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1370 pw.println(minimumPasswordMetrics.nonLetter); 1371 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1372 pw.println(maximumTimeToUnlock); 1373 pw.print(prefix); pw.print("strongAuthUnlockTimeout="); 1374 pw.println(strongAuthUnlockTimeout); 1375 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1376 pw.println(maximumFailedPasswordsForWipe); 1377 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1378 pw.println(specifiesGlobalProxy); 1379 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1380 pw.println(passwordExpirationTimeout); 1381 pw.print(prefix); pw.print("passwordExpirationDate="); 1382 pw.println(passwordExpirationDate); 1383 if (globalProxySpec != null) { 1384 pw.print(prefix); pw.print("globalProxySpec="); 1385 pw.println(globalProxySpec); 1386 } 1387 if (globalProxyExclusionList != null) { 1388 pw.print(prefix); pw.print("globalProxyEclusionList="); 1389 pw.println(globalProxyExclusionList); 1390 } 1391 pw.print(prefix); pw.print("encryptionRequested="); 1392 pw.println(encryptionRequested); 1393 pw.print(prefix); pw.print("disableCamera="); 1394 pw.println(disableCamera); 1395 pw.print(prefix); pw.print("disableCallerId="); 1396 pw.println(disableCallerId); 1397 pw.print(prefix); pw.print("disableContactsSearch="); 1398 pw.println(disableContactsSearch); 1399 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1400 pw.println(disableBluetoothContactSharing); 1401 pw.print(prefix); pw.print("disableScreenCapture="); 1402 pw.println(disableScreenCapture); 1403 pw.print(prefix); pw.print("requireAutoTime="); 1404 pw.println(requireAutoTime); 1405 pw.print(prefix); pw.print("forceEphemeralUsers="); 1406 pw.println(forceEphemeralUsers); 1407 pw.print(prefix); pw.print("isNetworkLoggingEnabled="); 1408 pw.println(isNetworkLoggingEnabled); 1409 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1410 pw.println(disabledKeyguardFeatures); 1411 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1412 pw.println(crossProfileWidgetProviders); 1413 if (permittedAccessiblityServices != null) { 1414 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1415 pw.println(permittedAccessiblityServices); 1416 } 1417 if (permittedInputMethods != null) { 1418 pw.print(prefix); pw.print("permittedInputMethods="); 1419 pw.println(permittedInputMethods); 1420 } 1421 if (permittedNotificationListeners != null) { 1422 pw.print(prefix); pw.print("permittedNotificationListeners="); 1423 pw.println(permittedNotificationListeners); 1424 } 1425 if (keepUninstalledPackages != null) { 1426 pw.print(prefix); pw.print("keepUninstalledPackages="); 1427 pw.println(keepUninstalledPackages); 1428 } 1429 pw.print(prefix); pw.print("organizationColor="); 1430 pw.println(organizationColor); 1431 if (organizationName != null) { 1432 pw.print(prefix); pw.print("organizationName="); 1433 pw.println(organizationName); 1434 } 1435 pw.print(prefix); pw.println("userRestrictions:"); 1436 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1437 pw.print(prefix); pw.print("defaultEnabledRestrictionsAlreadySet="); 1438 pw.println(defaultEnabledRestrictionsAlreadySet); 1439 pw.print(prefix); pw.print("isParent="); 1440 pw.println(isParent); 1441 if (parentAdmin != null) { 1442 pw.print(prefix); pw.println("parentAdmin:"); 1443 parentAdmin.dump(prefix + " ", pw); 1444 } 1445 } 1446 } 1447 1448 private void handlePackagesChanged(@Nullable String packageName, int userHandle) { 1449 boolean removedAdmin = false; 1450 if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 1451 DevicePolicyData policy = getUserData(userHandle); 1452 synchronized (this) { 1453 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1454 ActiveAdmin aa = policy.mAdminList.get(i); 1455 try { 1456 // If we're checking all packages or if the specific one we're checking matches, 1457 // then check if the package and receiver still exist. 1458 final String adminPackage = aa.info.getPackageName(); 1459 if (packageName == null || packageName.equals(adminPackage)) { 1460 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1461 || mIPackageManager.getReceiverInfo(aa.info.getComponent(), 1462 PackageManager.MATCH_DIRECT_BOOT_AWARE 1463 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 1464 userHandle) == null) { 1465 removedAdmin = true; 1466 policy.mAdminList.remove(i); 1467 policy.mAdminMap.remove(aa.info.getComponent()); 1468 } 1469 } 1470 } catch (RemoteException re) { 1471 // Shouldn't happen. 1472 } 1473 } 1474 if (removedAdmin) { 1475 validatePasswordOwnerLocked(policy); 1476 } 1477 1478 boolean removedDelegate = false; 1479 1480 // Check if a delegate was removed. 1481 for (int i = policy.mDelegationMap.size() - 1; i >= 0; i--) { 1482 final String delegatePackage = policy.mDelegationMap.keyAt(i); 1483 if (isRemovedPackage(packageName, delegatePackage, userHandle)) { 1484 policy.mDelegationMap.removeAt(i); 1485 removedDelegate = true; 1486 } 1487 } 1488 1489 // If it's an owner package, we may need to refresh the bound connection. 1490 final ComponentName owner = getOwnerComponent(userHandle); 1491 if ((packageName != null) && (owner != null) 1492 && (owner.getPackageName().equals(packageName))) { 1493 startOwnerService(userHandle, "package-broadcast"); 1494 } 1495 1496 // Persist updates if the removed package was an admin or delegate. 1497 if (removedAdmin || removedDelegate) { 1498 saveSettingsLocked(policy.mUserHandle); 1499 } 1500 } 1501 if (removedAdmin) { 1502 // The removed admin might have disabled camera, so update user restrictions. 1503 pushUserRestrictions(userHandle); 1504 } 1505 } 1506 1507 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1508 try { 1509 return targetPackage != null 1510 && (changedPackage == null || changedPackage.equals(targetPackage)) 1511 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1512 } catch (RemoteException e) { 1513 // Shouldn't happen 1514 } 1515 1516 return false; 1517 } 1518 1519 /** 1520 * Unit test will subclass it to inject mocks. 1521 */ 1522 @VisibleForTesting 1523 static class Injector { 1524 1525 public final Context mContext; 1526 1527 Injector(Context context) { 1528 mContext = context; 1529 } 1530 1531 Context createContextAsUser(UserHandle user) throws PackageManager.NameNotFoundException { 1532 final String packageName = mContext.getPackageName(); 1533 return mContext.createPackageContextAsUser(packageName, 0, user); 1534 } 1535 1536 Resources getResources() { 1537 return mContext.getResources(); 1538 } 1539 1540 Owners newOwners() { 1541 return new Owners(getUserManager(), getUserManagerInternal(), 1542 getPackageManagerInternal()); 1543 } 1544 1545 UserManager getUserManager() { 1546 return UserManager.get(mContext); 1547 } 1548 1549 UserManagerInternal getUserManagerInternal() { 1550 return LocalServices.getService(UserManagerInternal.class); 1551 } 1552 1553 PackageManagerInternal getPackageManagerInternal() { 1554 return LocalServices.getService(PackageManagerInternal.class); 1555 } 1556 1557 NotificationManager getNotificationManager() { 1558 return mContext.getSystemService(NotificationManager.class); 1559 } 1560 1561 IIpConnectivityMetrics getIIpConnectivityMetrics() { 1562 return (IIpConnectivityMetrics) IIpConnectivityMetrics.Stub.asInterface( 1563 ServiceManager.getService(IpConnectivityLog.SERVICE_NAME)); 1564 } 1565 1566 PackageManager getPackageManager() { 1567 return mContext.getPackageManager(); 1568 } 1569 1570 PowerManagerInternal getPowerManagerInternal() { 1571 return LocalServices.getService(PowerManagerInternal.class); 1572 } 1573 1574 TelephonyManager getTelephonyManager() { 1575 return TelephonyManager.from(mContext); 1576 } 1577 1578 TrustManager getTrustManager() { 1579 return (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 1580 } 1581 1582 AlarmManager getAlarmManager() { 1583 return (AlarmManager) mContext.getSystemService(AlarmManager.class); 1584 } 1585 1586 IWindowManager getIWindowManager() { 1587 return IWindowManager.Stub 1588 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1589 } 1590 1591 IActivityManager getIActivityManager() { 1592 return ActivityManager.getService(); 1593 } 1594 1595 IPackageManager getIPackageManager() { 1596 return AppGlobals.getPackageManager(); 1597 } 1598 1599 IBackupManager getIBackupManager() { 1600 return IBackupManager.Stub.asInterface( 1601 ServiceManager.getService(Context.BACKUP_SERVICE)); 1602 } 1603 1604 IAudioService getIAudioService() { 1605 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1606 } 1607 1608 boolean isBuildDebuggable() { 1609 return Build.IS_DEBUGGABLE; 1610 } 1611 1612 LockPatternUtils newLockPatternUtils() { 1613 return new LockPatternUtils(mContext); 1614 } 1615 1616 boolean storageManagerIsFileBasedEncryptionEnabled() { 1617 return StorageManager.isFileEncryptedNativeOnly(); 1618 } 1619 1620 boolean storageManagerIsNonDefaultBlockEncrypted() { 1621 long identity = Binder.clearCallingIdentity(); 1622 try { 1623 return StorageManager.isNonDefaultBlockEncrypted(); 1624 } finally { 1625 Binder.restoreCallingIdentity(identity); 1626 } 1627 } 1628 1629 boolean storageManagerIsEncrypted() { 1630 return StorageManager.isEncrypted(); 1631 } 1632 1633 boolean storageManagerIsEncryptable() { 1634 return StorageManager.isEncryptable(); 1635 } 1636 1637 Looper getMyLooper() { 1638 return Looper.myLooper(); 1639 } 1640 1641 WifiManager getWifiManager() { 1642 return mContext.getSystemService(WifiManager.class); 1643 } 1644 1645 long binderClearCallingIdentity() { 1646 return Binder.clearCallingIdentity(); 1647 } 1648 1649 void binderRestoreCallingIdentity(long token) { 1650 Binder.restoreCallingIdentity(token); 1651 } 1652 1653 int binderGetCallingUid() { 1654 return Binder.getCallingUid(); 1655 } 1656 1657 int binderGetCallingPid() { 1658 return Binder.getCallingPid(); 1659 } 1660 1661 UserHandle binderGetCallingUserHandle() { 1662 return Binder.getCallingUserHandle(); 1663 } 1664 1665 boolean binderIsCallingUidMyUid() { 1666 return getCallingUid() == Process.myUid(); 1667 } 1668 1669 final int userHandleGetCallingUserId() { 1670 return UserHandle.getUserId(binderGetCallingUid()); 1671 } 1672 1673 File environmentGetUserSystemDirectory(int userId) { 1674 return Environment.getUserSystemDirectory(userId); 1675 } 1676 1677 void powerManagerGoToSleep(long time, int reason, int flags) { 1678 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1679 } 1680 1681 void powerManagerReboot(String reason) { 1682 mContext.getSystemService(PowerManager.class).reboot(reason); 1683 } 1684 1685 void recoverySystemRebootWipeUserData(boolean shutdown, String reason, boolean force) 1686 throws IOException { 1687 RecoverySystem.rebootWipeUserData(mContext, shutdown, reason, force); 1688 } 1689 1690 boolean systemPropertiesGetBoolean(String key, boolean def) { 1691 return SystemProperties.getBoolean(key, def); 1692 } 1693 1694 long systemPropertiesGetLong(String key, long def) { 1695 return SystemProperties.getLong(key, def); 1696 } 1697 1698 String systemPropertiesGet(String key, String def) { 1699 return SystemProperties.get(key, def); 1700 } 1701 1702 String systemPropertiesGet(String key) { 1703 return SystemProperties.get(key); 1704 } 1705 1706 void systemPropertiesSet(String key, String value) { 1707 SystemProperties.set(key, value); 1708 } 1709 1710 boolean userManagerIsSplitSystemUser() { 1711 return UserManager.isSplitSystemUser(); 1712 } 1713 1714 String getDevicePolicyFilePathForSystemUser() { 1715 return "/data/system/"; 1716 } 1717 1718 PendingIntent pendingIntentGetActivityAsUser(Context context, int requestCode, 1719 @NonNull Intent intent, int flags, Bundle options, UserHandle user) { 1720 return PendingIntent.getActivityAsUser( 1721 context, requestCode, intent, flags, options, user); 1722 } 1723 1724 void registerContentObserver(Uri uri, boolean notifyForDescendents, 1725 ContentObserver observer, int userHandle) { 1726 mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, 1727 observer, userHandle); 1728 } 1729 1730 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1731 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1732 name, def, userHandle); 1733 } 1734 1735 String settingsSecureGetStringForUser(String name, int userHandle) { 1736 return Settings.Secure.getStringForUser(mContext.getContentResolver(), name, 1737 userHandle); 1738 } 1739 1740 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1741 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1742 name, value, userHandle); 1743 } 1744 1745 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1746 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1747 name, value, userHandle); 1748 } 1749 1750 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1751 Settings.Global.putStringForUser(mContext.getContentResolver(), 1752 name, value, userHandle); 1753 } 1754 1755 void settingsSecurePutInt(String name, int value) { 1756 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1757 } 1758 1759 int settingsGlobalGetInt(String name, int def) { 1760 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1761 } 1762 1763 void settingsGlobalPutInt(String name, int value) { 1764 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1765 } 1766 1767 void settingsSecurePutString(String name, String value) { 1768 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1769 } 1770 1771 void settingsGlobalPutString(String name, String value) { 1772 Settings.Global.putString(mContext.getContentResolver(), name, value); 1773 } 1774 1775 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1776 SecurityLog.setLoggingEnabledProperty(enabled); 1777 } 1778 1779 boolean securityLogGetLoggingEnabledProperty() { 1780 return SecurityLog.getLoggingEnabledProperty(); 1781 } 1782 1783 boolean securityLogIsLoggingEnabled() { 1784 return SecurityLog.isLoggingEnabled(); 1785 } 1786 1787 KeyChainConnection keyChainBindAsUser(UserHandle user) throws InterruptedException { 1788 return KeyChain.bindAsUser(mContext, user); 1789 } 1790 } 1791 1792 /** 1793 * Instantiates the service. 1794 */ 1795 public DevicePolicyManagerService(Context context) { 1796 this(new Injector(context)); 1797 } 1798 1799 @VisibleForTesting 1800 DevicePolicyManagerService(Injector injector) { 1801 mInjector = injector; 1802 mContext = Preconditions.checkNotNull(injector.mContext); 1803 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1804 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1805 1806 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1807 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1808 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1809 mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); 1810 1811 mLocalService = new LocalService(); 1812 mLockPatternUtils = injector.newLockPatternUtils(); 1813 1814 // TODO: why does SecurityLogMonitor need to be created even when mHasFeature == false? 1815 mSecurityLogMonitor = new SecurityLogMonitor(this); 1816 1817 mHasFeature = mInjector.getPackageManager() 1818 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1819 mIsWatch = mInjector.getPackageManager() 1820 .hasSystemFeature(PackageManager.FEATURE_WATCH); 1821 mBackgroundHandler = BackgroundThread.getHandler(); 1822 1823 // Needed when mHasFeature == false, because it controls the certificate warning text. 1824 mCertificateMonitor = new CertificateMonitor(this, mInjector, mBackgroundHandler); 1825 1826 mDeviceAdminServiceController = new DeviceAdminServiceController(this); 1827 1828 if (!mHasFeature) { 1829 // Skip the rest of the initialization 1830 return; 1831 } 1832 1833 IntentFilter filter = new IntentFilter(); 1834 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1835 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1836 filter.addAction(Intent.ACTION_USER_ADDED); 1837 filter.addAction(Intent.ACTION_USER_REMOVED); 1838 filter.addAction(Intent.ACTION_USER_STARTED); 1839 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1840 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1841 filter = new IntentFilter(); 1842 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1843 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1844 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1845 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1846 filter.addDataScheme("package"); 1847 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1848 filter = new IntentFilter(); 1849 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1850 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1851 1852 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1853 1854 mSetupContentObserver = new SetupContentObserver(mHandler); 1855 } 1856 1857 /** 1858 * Creates and loads the policy data from xml. 1859 * @param userHandle the user for whom to load the policy data 1860 * @return 1861 */ 1862 @NonNull 1863 DevicePolicyData getUserData(int userHandle) { 1864 synchronized (this) { 1865 DevicePolicyData policy = mUserData.get(userHandle); 1866 if (policy == null) { 1867 policy = new DevicePolicyData(userHandle); 1868 mUserData.append(userHandle, policy); 1869 loadSettingsLocked(policy, userHandle); 1870 } 1871 return policy; 1872 } 1873 } 1874 1875 /** 1876 * Creates and loads the policy data from xml for data that is shared between 1877 * various profiles of a user. In contrast to {@link #getUserData(int)} 1878 * it allows access to data of users other than the calling user. 1879 * 1880 * This function should only be used for shared data, e.g. everything regarding 1881 * passwords and should be removed once multiple screen locks are present. 1882 * @param userHandle the user for whom to load the policy data 1883 * @return 1884 */ 1885 DevicePolicyData getUserDataUnchecked(int userHandle) { 1886 long ident = mInjector.binderClearCallingIdentity(); 1887 try { 1888 return getUserData(userHandle); 1889 } finally { 1890 mInjector.binderRestoreCallingIdentity(ident); 1891 } 1892 } 1893 1894 void removeUserData(int userHandle) { 1895 synchronized (this) { 1896 if (userHandle == UserHandle.USER_SYSTEM) { 1897 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1898 return; 1899 } 1900 mOwners.removeProfileOwner(userHandle); 1901 mOwners.writeProfileOwner(userHandle); 1902 1903 DevicePolicyData policy = mUserData.get(userHandle); 1904 if (policy != null) { 1905 mUserData.remove(userHandle); 1906 } 1907 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1908 DEVICE_POLICIES_XML); 1909 policyFile.delete(); 1910 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1911 } 1912 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1913 } 1914 1915 void loadOwners() { 1916 synchronized (this) { 1917 mOwners.load(); 1918 setDeviceOwnerSystemPropertyLocked(); 1919 findOwnerComponentIfNecessaryLocked(); 1920 migrateUserRestrictionsIfNecessaryLocked(); 1921 maybeSetDefaultDeviceOwnerUserRestrictionsLocked(); 1922 1923 // TODO PO may not have a class name either due to b/17652534. Address that too. 1924 1925 updateDeviceOwnerLocked(); 1926 } 1927 } 1928 1929 /** Apply default restrictions that haven't been applied to device owners yet. */ 1930 private void maybeSetDefaultDeviceOwnerUserRestrictionsLocked() { 1931 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 1932 if (deviceOwner != null) { 1933 maybeSetDefaultRestrictionsForAdminLocked(mOwners.getDeviceOwnerUserId(), 1934 deviceOwner, UserRestrictionsUtils.getDefaultEnabledForDeviceOwner()); 1935 } 1936 } 1937 1938 /** Apply default restrictions that haven't been applied to profile owners yet. */ 1939 private void maybeSetDefaultProfileOwnerUserRestrictions() { 1940 synchronized (this) { 1941 for (final int userId : mOwners.getProfileOwnerKeys()) { 1942 final ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 1943 // The following restrictions used to be applied to managed profiles by different 1944 // means (via Settings or by disabling components). Now they are proper user 1945 // restrictions so we apply them to managed profile owners. Non-managed secondary 1946 // users didn't have those restrictions so we skip them to keep existing behavior. 1947 if (profileOwner == null || !mUserManager.isManagedProfile(userId)) { 1948 continue; 1949 } 1950 maybeSetDefaultRestrictionsForAdminLocked(userId, profileOwner, 1951 UserRestrictionsUtils.getDefaultEnabledForManagedProfiles()); 1952 ensureUnknownSourcesRestrictionForProfileOwnerLocked( 1953 userId, profileOwner, false /* newOwner */); 1954 } 1955 } 1956 } 1957 1958 /** 1959 * Checks whether {@link UserManager#DISALLOW_INSTALL_UNKNOWN_SOURCES} should be added to the 1960 * set of restrictions for this profile owner. 1961 */ 1962 private void ensureUnknownSourcesRestrictionForProfileOwnerLocked(int userId, 1963 ActiveAdmin profileOwner, boolean newOwner) { 1964 if (newOwner || mInjector.settingsSecureGetIntForUser( 1965 Settings.Secure.UNKNOWN_SOURCES_DEFAULT_REVERSED, 0, userId) != 0) { 1966 profileOwner.ensureUserRestrictions().putBoolean( 1967 UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, true); 1968 saveUserRestrictionsLocked(userId); 1969 mInjector.settingsSecurePutIntForUser( 1970 Settings.Secure.UNKNOWN_SOURCES_DEFAULT_REVERSED, 0, userId); 1971 } 1972 } 1973 1974 /** 1975 * Apply default restrictions that haven't been applied to a given admin yet. 1976 */ 1977 private void maybeSetDefaultRestrictionsForAdminLocked( 1978 int userId, ActiveAdmin admin, Set<String> defaultRestrictions) { 1979 if (defaultRestrictions.equals(admin.defaultEnabledRestrictionsAlreadySet)) { 1980 return; // The same set of default restrictions has been already applied. 1981 } 1982 Slog.i(LOG_TAG, "New user restrictions need to be set by default for user " + userId); 1983 1984 if (VERBOSE_LOG) { 1985 Slog.d(LOG_TAG,"Default enabled restrictions: " 1986 + defaultRestrictions 1987 + ". Restrictions already enabled: " 1988 + admin.defaultEnabledRestrictionsAlreadySet); 1989 } 1990 1991 final Set<String> restrictionsToSet = new ArraySet<>(defaultRestrictions); 1992 restrictionsToSet.removeAll(admin.defaultEnabledRestrictionsAlreadySet); 1993 if (!restrictionsToSet.isEmpty()) { 1994 for (final String restriction : restrictionsToSet) { 1995 admin.ensureUserRestrictions().putBoolean(restriction, true); 1996 } 1997 admin.defaultEnabledRestrictionsAlreadySet.addAll(restrictionsToSet); 1998 Slog.i(LOG_TAG, "Enabled the following restrictions by default: " + restrictionsToSet); 1999 saveUserRestrictionsLocked(userId); 2000 } 2001 } 2002 2003 private void setDeviceOwnerSystemPropertyLocked() { 2004 final boolean deviceProvisioned = 2005 mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) != 0; 2006 // If the device is not provisioned and there is currently no device owner, do not set the 2007 // read-only system property yet, since Device owner may still be provisioned. For Wear 2008 // devices, if there is already a device owner then it's OK to set the property to true now, 2009 // regardless the provision state. 2010 final boolean isWatchWithDeviceOwner = mIsWatch && mOwners.hasDeviceOwner(); 2011 if (!isWatchWithDeviceOwner && !deviceProvisioned) { 2012 return; 2013 } 2014 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 2015 // always false at this point. 2016 if (StorageManager.inCryptKeeperBounce()) { 2017 return; 2018 } 2019 2020 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 2021 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 2022 } else { 2023 if (mOwners.hasDeviceOwner()) { 2024 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 2025 Slog.i(LOG_TAG, "Set ro.device_owner property to true"); 2026 2027 if (mInjector.securityLogGetLoggingEnabledProperty()) { 2028 mSecurityLogMonitor.start(); 2029 maybePauseDeviceWideLoggingLocked(); 2030 } 2031 } else { 2032 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 2033 Slog.i(LOG_TAG, "Set ro.device_owner property to false"); 2034 } 2035 } 2036 } 2037 2038 private void findOwnerComponentIfNecessaryLocked() { 2039 if (!mOwners.hasDeviceOwner()) { 2040 return; 2041 } 2042 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 2043 2044 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 2045 return; // Already a full component name. 2046 } 2047 2048 final ComponentName doComponent = findAdminComponentWithPackageLocked( 2049 doComponentName.getPackageName(), 2050 mOwners.getDeviceOwnerUserId()); 2051 if (doComponent == null) { 2052 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 2053 } else { 2054 mOwners.setDeviceOwnerWithRestrictionsMigrated( 2055 doComponent, 2056 mOwners.getDeviceOwnerName(), 2057 mOwners.getDeviceOwnerUserId(), 2058 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 2059 mOwners.writeDeviceOwner(); 2060 if (VERBOSE_LOG) { 2061 Log.v(LOG_TAG, "Device owner component filled in"); 2062 } 2063 } 2064 } 2065 2066 /** 2067 * We didn't use to persist user restrictions for each owners but only persisted in user 2068 * manager. 2069 */ 2070 private void migrateUserRestrictionsIfNecessaryLocked() { 2071 boolean migrated = false; 2072 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 2073 // except for the "system controlled" ones. 2074 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 2075 if (VERBOSE_LOG) { 2076 Log.v(LOG_TAG, "Migrating DO user restrictions"); 2077 } 2078 migrated = true; 2079 2080 // Migrate user 0 restrictions to DO. 2081 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 2082 2083 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 2084 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 2085 2086 // Push DO user restrictions to user manager. 2087 pushUserRestrictions(UserHandle.USER_SYSTEM); 2088 2089 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 2090 } 2091 2092 // Migrate for POs. 2093 2094 // The following restrictions can be set on secondary users by the device owner, so we 2095 // assume they're not from the PO. 2096 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 2097 UserManager.DISALLOW_OUTGOING_CALLS, 2098 UserManager.DISALLOW_SMS); 2099 2100 for (UserInfo ui : mUserManager.getUsers()) { 2101 final int userId = ui.id; 2102 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 2103 if (VERBOSE_LOG) { 2104 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 2105 } 2106 migrated = true; 2107 2108 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 2109 2110 final Set<String> exceptionList = 2111 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 2112 2113 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 2114 exceptionList, /* isDeviceOwner =*/ false); 2115 2116 // Note if a secondary user has no PO but has a DA that disables camera, we 2117 // don't get here and won't push the camera user restriction to UserManager 2118 // here. That's okay because we'll push user restrictions anyway when a user 2119 // starts. But we still do it because we want to let user manager persist 2120 // upon migration. 2121 pushUserRestrictions(userId); 2122 2123 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 2124 } 2125 } 2126 if (VERBOSE_LOG && migrated) { 2127 Log.v(LOG_TAG, "User restrictions migrated."); 2128 } 2129 } 2130 2131 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 2132 Set<String> exceptionList, boolean isDeviceOwner) { 2133 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 2134 user.getIdentifier()); 2135 2136 final Bundle newBaseRestrictions = new Bundle(); 2137 final Bundle newOwnerRestrictions = new Bundle(); 2138 2139 for (String key : origRestrictions.keySet()) { 2140 if (!origRestrictions.getBoolean(key)) { 2141 continue; 2142 } 2143 final boolean canOwnerChange = isDeviceOwner 2144 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 2145 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 2146 2147 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 2148 newBaseRestrictions.putBoolean(key, true); 2149 } else { 2150 newOwnerRestrictions.putBoolean(key, true); 2151 } 2152 } 2153 2154 if (VERBOSE_LOG) { 2155 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 2156 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 2157 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 2158 } 2159 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 2160 newBaseRestrictions); 2161 2162 if (admin != null) { 2163 admin.ensureUserRestrictions().clear(); 2164 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 2165 } else { 2166 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 2167 } 2168 saveSettingsLocked(user.getIdentifier()); 2169 } 2170 2171 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 2172 final DevicePolicyData policy = getUserData(userId); 2173 final int n = policy.mAdminList.size(); 2174 ComponentName found = null; 2175 int nFound = 0; 2176 for (int i = 0; i < n; i++) { 2177 final ActiveAdmin admin = policy.mAdminList.get(i); 2178 if (packageName.equals(admin.info.getPackageName())) { 2179 // Found! 2180 if (nFound == 0) { 2181 found = admin.info.getComponent(); 2182 } 2183 nFound++; 2184 } 2185 } 2186 if (nFound > 1) { 2187 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 2188 } 2189 return found; 2190 } 2191 2192 /** 2193 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 2194 * reminders. Clears alarm if no expirations are configured. 2195 */ 2196 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 2197 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 2198 final long now = System.currentTimeMillis(); 2199 final long timeToExpire = expiration - now; 2200 final long alarmTime; 2201 if (expiration == 0) { 2202 // No expirations are currently configured: Cancel alarm. 2203 alarmTime = 0; 2204 } else if (timeToExpire <= 0) { 2205 // The password has already expired: Repeat every 24 hours. 2206 alarmTime = now + MS_PER_DAY; 2207 } else { 2208 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 2209 // the expiration time. 2210 long alarmInterval = timeToExpire % MS_PER_DAY; 2211 if (alarmInterval == 0) { 2212 alarmInterval = MS_PER_DAY; 2213 } 2214 alarmTime = now + alarmInterval; 2215 } 2216 2217 long token = mInjector.binderClearCallingIdentity(); 2218 try { 2219 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 2220 AlarmManager am = mInjector.getAlarmManager(); 2221 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 2222 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 2223 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 2224 UserHandle.of(affectedUserHandle)); 2225 am.cancel(pi); 2226 if (alarmTime != 0) { 2227 am.set(AlarmManager.RTC, alarmTime, pi); 2228 } 2229 } finally { 2230 mInjector.binderRestoreCallingIdentity(token); 2231 } 2232 } 2233 2234 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 2235 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 2236 if (admin != null 2237 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 2238 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 2239 return admin; 2240 } 2241 return null; 2242 } 2243 2244 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 2245 if (parent) { 2246 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 2247 } 2248 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2249 if (admin != null && parent) { 2250 admin = admin.getParentActiveAdmin(); 2251 } 2252 return admin; 2253 } 2254 2255 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 2256 throws SecurityException { 2257 final int callingUid = mInjector.binderGetCallingUid(); 2258 2259 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 2260 if (result != null) { 2261 return result; 2262 } 2263 2264 if (who != null) { 2265 final int userId = UserHandle.getUserId(callingUid); 2266 final DevicePolicyData policy = getUserData(userId); 2267 ActiveAdmin admin = policy.mAdminMap.get(who); 2268 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2269 throw new SecurityException("Admin " + admin.info.getComponent() 2270 + " does not own the device"); 2271 } 2272 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2273 throw new SecurityException("Admin " + admin.info.getComponent() 2274 + " does not own the profile"); 2275 } 2276 throw new SecurityException("Admin " + admin.info.getComponent() 2277 + " did not specify uses-policy for: " 2278 + admin.info.getTagForPolicy(reqPolicy)); 2279 } else { 2280 throw new SecurityException("No active admin owned by uid " 2281 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 2282 } 2283 } 2284 2285 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 2286 throws SecurityException { 2287 if (parent) { 2288 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 2289 "call APIs on the parent profile"); 2290 } 2291 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 2292 return parent ? admin.getParentActiveAdmin() : admin; 2293 } 2294 /** 2295 * Find the admin for the component and userId bit of the uid, then check 2296 * the admin's uid matches the uid. 2297 */ 2298 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 2299 final int userId = UserHandle.getUserId(uid); 2300 final DevicePolicyData policy = getUserData(userId); 2301 ActiveAdmin admin = policy.mAdminMap.get(who); 2302 if (admin == null) { 2303 throw new SecurityException("No active admin " + who); 2304 } 2305 if (admin.getUid() != uid) { 2306 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2307 } 2308 return admin; 2309 } 2310 2311 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 2312 int uid) { 2313 // Try to find an admin which can use reqPolicy 2314 final int userId = UserHandle.getUserId(uid); 2315 final DevicePolicyData policy = getUserData(userId); 2316 if (who != null) { 2317 ActiveAdmin admin = policy.mAdminMap.get(who); 2318 if (admin == null) { 2319 throw new SecurityException("No active admin " + who); 2320 } 2321 if (admin.getUid() != uid) { 2322 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2323 } 2324 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 2325 return admin; 2326 } 2327 } else { 2328 for (ActiveAdmin admin : policy.mAdminList) { 2329 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 2330 userId)) { 2331 return admin; 2332 } 2333 } 2334 } 2335 2336 return null; 2337 } 2338 2339 @VisibleForTesting 2340 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 2341 int userId) { 2342 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 2343 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 2344 2345 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2346 return ownsDevice; 2347 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2348 // DO always has the PO power. 2349 return ownsDevice || ownsProfile; 2350 } else { 2351 return admin.info.usesPolicy(reqPolicy); 2352 } 2353 } 2354 2355 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 2356 sendAdminCommandLocked(admin, action, null); 2357 } 2358 2359 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 2360 sendAdminCommandLocked(admin, action, null, result); 2361 } 2362 2363 /** 2364 * Send an update to one specific admin, get notified when that admin returns a result. 2365 */ 2366 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 2367 BroadcastReceiver result) { 2368 Intent intent = new Intent(action); 2369 intent.setComponent(admin.info.getComponent()); 2370 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 2371 intent.putExtra("expiration", admin.passwordExpirationDate); 2372 } 2373 if (adminExtras != null) { 2374 intent.putExtras(adminExtras); 2375 } 2376 if (result != null) { 2377 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2378 null, result, mHandler, Activity.RESULT_OK, null, null); 2379 } else { 2380 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2381 } 2382 } 2383 2384 /** 2385 * Send an update to all admins of a user that enforce a specified policy. 2386 */ 2387 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle, Bundle adminExtras) { 2388 final DevicePolicyData policy = getUserData(userHandle); 2389 final int count = policy.mAdminList.size(); 2390 for (int i = 0; i < count; i++) { 2391 final ActiveAdmin admin = policy.mAdminList.get(i); 2392 if (admin.info.usesPolicy(reqPolicy)) { 2393 sendAdminCommandLocked(admin, action, adminExtras, null); 2394 } 2395 } 2396 } 2397 2398 /** 2399 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2400 * enforce a specified policy. 2401 */ 2402 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2403 int userHandle, Bundle adminExtras) { 2404 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 2405 for (int profileId : profileIds) { 2406 sendAdminCommandLocked(action, reqPolicy, profileId, adminExtras); 2407 } 2408 } 2409 2410 /** 2411 * Sends a broadcast to each profile that share the password unlock with the given user id. 2412 */ 2413 private void sendAdminCommandForLockscreenPoliciesLocked( 2414 String action, int reqPolicy, int userHandle) { 2415 final Bundle extras = new Bundle(); 2416 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 2417 if (isSeparateProfileChallengeEnabled(userHandle)) { 2418 sendAdminCommandLocked(action, reqPolicy, userHandle, extras); 2419 } else { 2420 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle, extras); 2421 } 2422 } 2423 2424 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2425 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2426 DevicePolicyData policy = getUserData(userHandle); 2427 if (admin != null && !policy.mRemovingAdmins.contains(adminReceiver)) { 2428 policy.mRemovingAdmins.add(adminReceiver); 2429 sendAdminCommandLocked(admin, 2430 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2431 new BroadcastReceiver() { 2432 @Override 2433 public void onReceive(Context context, Intent intent) { 2434 removeAdminArtifacts(adminReceiver, userHandle); 2435 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2436 } 2437 }); 2438 } 2439 } 2440 2441 2442 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2443 boolean throwForMissiongPermission) { 2444 if (!mHasFeature) { 2445 return null; 2446 } 2447 enforceFullCrossUsersPermission(userHandle); 2448 ActivityInfo ai = null; 2449 try { 2450 ai = mIPackageManager.getReceiverInfo(adminName, 2451 PackageManager.GET_META_DATA | 2452 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | 2453 PackageManager.MATCH_DIRECT_BOOT_AWARE | 2454 PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); 2455 } catch (RemoteException e) { 2456 // shouldn't happen. 2457 } 2458 if (ai == null) { 2459 throw new IllegalArgumentException("Unknown admin: " + adminName); 2460 } 2461 2462 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2463 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2464 + permission.BIND_DEVICE_ADMIN; 2465 Slog.w(LOG_TAG, message); 2466 if (throwForMissiongPermission && 2467 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2468 throw new IllegalArgumentException(message); 2469 } 2470 } 2471 2472 try { 2473 return new DeviceAdminInfo(mContext, ai); 2474 } catch (XmlPullParserException | IOException e) { 2475 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2476 e); 2477 return null; 2478 } 2479 } 2480 2481 private JournaledFile makeJournaledFile(int userHandle) { 2482 final String base = userHandle == UserHandle.USER_SYSTEM 2483 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2484 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2485 DEVICE_POLICIES_XML).getAbsolutePath(); 2486 if (VERBOSE_LOG) { 2487 Log.v(LOG_TAG, "Opening " + base); 2488 } 2489 return new JournaledFile(new File(base), new File(base + ".tmp")); 2490 } 2491 2492 private void saveSettingsLocked(int userHandle) { 2493 DevicePolicyData policy = getUserData(userHandle); 2494 JournaledFile journal = makeJournaledFile(userHandle); 2495 FileOutputStream stream = null; 2496 try { 2497 stream = new FileOutputStream(journal.chooseForWrite(), false); 2498 XmlSerializer out = new FastXmlSerializer(); 2499 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2500 out.startDocument(null, true); 2501 2502 out.startTag(null, "policies"); 2503 if (policy.mRestrictionsProvider != null) { 2504 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2505 policy.mRestrictionsProvider.flattenToString()); 2506 } 2507 if (policy.mUserSetupComplete) { 2508 out.attribute(null, ATTR_SETUP_COMPLETE, 2509 Boolean.toString(true)); 2510 } 2511 if (policy.mPaired) { 2512 out.attribute(null, ATTR_DEVICE_PAIRED, 2513 Boolean.toString(true)); 2514 } 2515 if (policy.mDeviceProvisioningConfigApplied) { 2516 out.attribute(null, ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED, 2517 Boolean.toString(true)); 2518 } 2519 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2520 out.attribute(null, ATTR_PROVISIONING_STATE, 2521 Integer.toString(policy.mUserProvisioningState)); 2522 } 2523 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2524 out.attribute(null, ATTR_PERMISSION_POLICY, 2525 Integer.toString(policy.mPermissionPolicy)); 2526 } 2527 2528 // Serialize delegations. 2529 for (int i = 0; i < policy.mDelegationMap.size(); ++i) { 2530 final String delegatePackage = policy.mDelegationMap.keyAt(i); 2531 final List<String> scopes = policy.mDelegationMap.valueAt(i); 2532 2533 // Every "delegation" tag serializes the information of one delegate-scope pair. 2534 for (String scope : scopes) { 2535 out.startTag(null, "delegation"); 2536 out.attribute(null, "delegatePackage", delegatePackage); 2537 out.attribute(null, "scope", scope); 2538 out.endTag(null, "delegation"); 2539 } 2540 } 2541 2542 final int N = policy.mAdminList.size(); 2543 for (int i=0; i<N; i++) { 2544 ActiveAdmin ap = policy.mAdminList.get(i); 2545 if (ap != null) { 2546 out.startTag(null, "admin"); 2547 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2548 ap.writeToXml(out); 2549 out.endTag(null, "admin"); 2550 } 2551 } 2552 2553 if (policy.mPasswordOwner >= 0) { 2554 out.startTag(null, "password-owner"); 2555 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2556 out.endTag(null, "password-owner"); 2557 } 2558 2559 if (policy.mFailedPasswordAttempts != 0) { 2560 out.startTag(null, "failed-password-attempts"); 2561 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2562 out.endTag(null, "failed-password-attempts"); 2563 } 2564 2565 // Don't save metrics for FBE devices 2566 final PasswordMetrics metrics = policy.mActivePasswordMetrics; 2567 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled() && !metrics.isDefault()) { 2568 out.startTag(null, "active-password"); 2569 out.attribute(null, "quality", Integer.toString(metrics.quality)); 2570 out.attribute(null, "length", Integer.toString(metrics.length)); 2571 out.attribute(null, "uppercase", Integer.toString(metrics.upperCase)); 2572 out.attribute(null, "lowercase", Integer.toString(metrics.lowerCase)); 2573 out.attribute(null, "letters", Integer.toString(metrics.letters)); 2574 out.attribute(null, "numeric", Integer.toString(metrics.numeric)); 2575 out.attribute(null, "symbols", Integer.toString(metrics.symbols)); 2576 out.attribute(null, "nonletter", Integer.toString(metrics.nonLetter)); 2577 out.endTag(null, "active-password"); 2578 } 2579 2580 for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { 2581 out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2582 out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); 2583 out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2584 } 2585 2586 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2587 String component = policy.mLockTaskPackages.get(i); 2588 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2589 out.attribute(null, "name", component); 2590 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2591 } 2592 2593 if (policy.mStatusBarDisabled) { 2594 out.startTag(null, TAG_STATUS_BAR); 2595 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2596 out.endTag(null, TAG_STATUS_BAR); 2597 } 2598 2599 if (policy.doNotAskCredentialsOnBoot) { 2600 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2601 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2602 } 2603 2604 for (String id : policy.mAffiliationIds) { 2605 out.startTag(null, TAG_AFFILIATION_ID); 2606 out.attribute(null, ATTR_ID, id); 2607 out.endTag(null, TAG_AFFILIATION_ID); 2608 } 2609 2610 if (policy.mLastSecurityLogRetrievalTime >= 0) { 2611 out.startTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2612 out.attribute(null, ATTR_VALUE, 2613 Long.toString(policy.mLastSecurityLogRetrievalTime)); 2614 out.endTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2615 } 2616 2617 if (policy.mLastBugReportRequestTime >= 0) { 2618 out.startTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2619 out.attribute(null, ATTR_VALUE, 2620 Long.toString(policy.mLastBugReportRequestTime)); 2621 out.endTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2622 } 2623 2624 if (policy.mLastNetworkLogsRetrievalTime >= 0) { 2625 out.startTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2626 out.attribute(null, ATTR_VALUE, 2627 Long.toString(policy.mLastNetworkLogsRetrievalTime)); 2628 out.endTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2629 } 2630 2631 if (policy.mAdminBroadcastPending) { 2632 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2633 out.attribute(null, ATTR_VALUE, 2634 Boolean.toString(policy.mAdminBroadcastPending)); 2635 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2636 } 2637 2638 if (policy.mInitBundle != null) { 2639 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2640 policy.mInitBundle.saveToXml(out); 2641 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2642 } 2643 2644 if (policy.mPasswordTokenHandle != 0) { 2645 out.startTag(null, TAG_PASSWORD_TOKEN_HANDLE); 2646 out.attribute(null, ATTR_VALUE, 2647 Long.toString(policy.mPasswordTokenHandle)); 2648 out.endTag(null, TAG_PASSWORD_TOKEN_HANDLE); 2649 } 2650 2651 if (policy.mCurrentInputMethodSet) { 2652 out.startTag(null, TAG_CURRENT_INPUT_METHOD_SET); 2653 out.endTag(null, TAG_CURRENT_INPUT_METHOD_SET); 2654 } 2655 2656 for (final String cert : policy.mOwnerInstalledCaCerts) { 2657 out.startTag(null, TAG_OWNER_INSTALLED_CA_CERT); 2658 out.attribute(null, ATTR_ALIAS, cert); 2659 out.endTag(null, TAG_OWNER_INSTALLED_CA_CERT); 2660 } 2661 2662 out.endTag(null, "policies"); 2663 2664 out.endDocument(); 2665 stream.flush(); 2666 FileUtils.sync(stream); 2667 stream.close(); 2668 journal.commit(); 2669 sendChangedNotification(userHandle); 2670 } catch (XmlPullParserException | IOException e) { 2671 Slog.w(LOG_TAG, "failed writing file", e); 2672 try { 2673 if (stream != null) { 2674 stream.close(); 2675 } 2676 } catch (IOException ex) { 2677 // Ignore 2678 } 2679 journal.rollback(); 2680 } 2681 } 2682 2683 private void sendChangedNotification(int userHandle) { 2684 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2685 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2686 long ident = mInjector.binderClearCallingIdentity(); 2687 try { 2688 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2689 } finally { 2690 mInjector.binderRestoreCallingIdentity(ident); 2691 } 2692 } 2693 2694 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2695 JournaledFile journal = makeJournaledFile(userHandle); 2696 FileInputStream stream = null; 2697 File file = journal.chooseForRead(); 2698 boolean needsRewrite = false; 2699 try { 2700 stream = new FileInputStream(file); 2701 XmlPullParser parser = Xml.newPullParser(); 2702 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2703 2704 int type; 2705 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2706 && type != XmlPullParser.START_TAG) { 2707 } 2708 String tag = parser.getName(); 2709 if (!"policies".equals(tag)) { 2710 throw new XmlPullParserException( 2711 "Settings do not start with policies tag: found " + tag); 2712 } 2713 2714 // Extract the permission provider component name if available 2715 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2716 if (permissionProvider != null) { 2717 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2718 } 2719 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2720 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2721 policy.mUserSetupComplete = true; 2722 } 2723 String paired = parser.getAttributeValue(null, ATTR_DEVICE_PAIRED); 2724 if (paired != null && Boolean.toString(true).equals(paired)) { 2725 policy.mPaired = true; 2726 } 2727 String deviceProvisioningConfigApplied = parser.getAttributeValue(null, 2728 ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED); 2729 if (deviceProvisioningConfigApplied != null 2730 && Boolean.toString(true).equals(deviceProvisioningConfigApplied)) { 2731 policy.mDeviceProvisioningConfigApplied = true; 2732 } 2733 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2734 if (!TextUtils.isEmpty(provisioningState)) { 2735 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2736 } 2737 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2738 if (!TextUtils.isEmpty(permissionPolicy)) { 2739 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2740 } 2741 // Check for delegation compatibility with pre-O. 2742 // TODO(edmanp) remove in P. 2743 { 2744 final String certDelegate = parser.getAttributeValue(null, 2745 ATTR_DELEGATED_CERT_INSTALLER); 2746 if (certDelegate != null) { 2747 List<String> scopes = policy.mDelegationMap.get(certDelegate); 2748 if (scopes == null) { 2749 scopes = new ArrayList<>(); 2750 policy.mDelegationMap.put(certDelegate, scopes); 2751 } 2752 if (!scopes.contains(DELEGATION_CERT_INSTALL)) { 2753 scopes.add(DELEGATION_CERT_INSTALL); 2754 needsRewrite = true; 2755 } 2756 } 2757 final String appRestrictionsDelegate = parser.getAttributeValue(null, 2758 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2759 if (appRestrictionsDelegate != null) { 2760 List<String> scopes = policy.mDelegationMap.get(appRestrictionsDelegate); 2761 if (scopes == null) { 2762 scopes = new ArrayList<>(); 2763 policy.mDelegationMap.put(appRestrictionsDelegate, scopes); 2764 } 2765 if (!scopes.contains(DELEGATION_APP_RESTRICTIONS)) { 2766 scopes.add(DELEGATION_APP_RESTRICTIONS); 2767 needsRewrite = true; 2768 } 2769 } 2770 } 2771 2772 type = parser.next(); 2773 int outerDepth = parser.getDepth(); 2774 policy.mLockTaskPackages.clear(); 2775 policy.mAdminList.clear(); 2776 policy.mAdminMap.clear(); 2777 policy.mAffiliationIds.clear(); 2778 policy.mOwnerInstalledCaCerts.clear(); 2779 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2780 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2781 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2782 continue; 2783 } 2784 tag = parser.getName(); 2785 if ("admin".equals(tag)) { 2786 String name = parser.getAttributeValue(null, "name"); 2787 try { 2788 DeviceAdminInfo dai = findAdmin( 2789 ComponentName.unflattenFromString(name), userHandle, 2790 /* throwForMissionPermission= */ false); 2791 if (VERBOSE_LOG 2792 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2793 != userHandle)) { 2794 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2795 + dai.getActivityInfo().applicationInfo.uid + " for user " 2796 + userHandle); 2797 } 2798 if (dai != null) { 2799 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2800 ap.readFromXml(parser); 2801 policy.mAdminMap.put(ap.info.getComponent(), ap); 2802 } 2803 } catch (RuntimeException e) { 2804 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2805 } 2806 } else if ("delegation".equals(tag)) { 2807 // Parse delegation info. 2808 final String delegatePackage = parser.getAttributeValue(null, 2809 "delegatePackage"); 2810 final String scope = parser.getAttributeValue(null, "scope"); 2811 2812 // Get a reference to the scopes list for the delegatePackage. 2813 List<String> scopes = policy.mDelegationMap.get(delegatePackage); 2814 // Or make a new list if none was found. 2815 if (scopes == null) { 2816 scopes = new ArrayList<>(); 2817 policy.mDelegationMap.put(delegatePackage, scopes); 2818 } 2819 // Add the new scope to the list of delegatePackage if it's not already there. 2820 if (!scopes.contains(scope)) { 2821 scopes.add(scope); 2822 } 2823 } else if ("failed-password-attempts".equals(tag)) { 2824 policy.mFailedPasswordAttempts = Integer.parseInt( 2825 parser.getAttributeValue(null, "value")); 2826 } else if ("password-owner".equals(tag)) { 2827 policy.mPasswordOwner = Integer.parseInt( 2828 parser.getAttributeValue(null, "value")); 2829 } else if (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { 2830 policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); 2831 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2832 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2833 } else if (TAG_STATUS_BAR.equals(tag)) { 2834 policy.mStatusBarDisabled = Boolean.parseBoolean( 2835 parser.getAttributeValue(null, ATTR_DISABLED)); 2836 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2837 policy.doNotAskCredentialsOnBoot = true; 2838 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2839 policy.mAffiliationIds.add(parser.getAttributeValue(null, ATTR_ID)); 2840 } else if (TAG_LAST_SECURITY_LOG_RETRIEVAL.equals(tag)) { 2841 policy.mLastSecurityLogRetrievalTime = Long.parseLong( 2842 parser.getAttributeValue(null, ATTR_VALUE)); 2843 } else if (TAG_LAST_BUG_REPORT_REQUEST.equals(tag)) { 2844 policy.mLastBugReportRequestTime = Long.parseLong( 2845 parser.getAttributeValue(null, ATTR_VALUE)); 2846 } else if (TAG_LAST_NETWORK_LOG_RETRIEVAL.equals(tag)) { 2847 policy.mLastNetworkLogsRetrievalTime = Long.parseLong( 2848 parser.getAttributeValue(null, ATTR_VALUE)); 2849 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2850 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2851 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2852 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2853 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2854 } else if ("active-password".equals(tag)) { 2855 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 2856 // Remove this from FBE devices 2857 needsRewrite = true; 2858 } else { 2859 final PasswordMetrics m = policy.mActivePasswordMetrics; 2860 m.quality = Integer.parseInt(parser.getAttributeValue(null, "quality")); 2861 m.length = Integer.parseInt(parser.getAttributeValue(null, "length")); 2862 m.upperCase = Integer.parseInt(parser.getAttributeValue(null, "uppercase")); 2863 m.lowerCase = Integer.parseInt(parser.getAttributeValue(null, "lowercase")); 2864 m.letters = Integer.parseInt(parser.getAttributeValue(null, "letters")); 2865 m.numeric = Integer.parseInt(parser.getAttributeValue(null, "numeric")); 2866 m.symbols = Integer.parseInt(parser.getAttributeValue(null, "symbols")); 2867 m.nonLetter = Integer.parseInt(parser.getAttributeValue(null, "nonletter")); 2868 } 2869 } else if (TAG_PASSWORD_TOKEN_HANDLE.equals(tag)) { 2870 policy.mPasswordTokenHandle = Long.parseLong( 2871 parser.getAttributeValue(null, ATTR_VALUE)); 2872 } else if (TAG_CURRENT_INPUT_METHOD_SET.equals(tag)) { 2873 policy.mCurrentInputMethodSet = true; 2874 } else if (TAG_OWNER_INSTALLED_CA_CERT.equals(tag)) { 2875 policy.mOwnerInstalledCaCerts.add(parser.getAttributeValue(null, ATTR_ALIAS)); 2876 } else { 2877 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2878 XmlUtils.skipCurrentTag(parser); 2879 } 2880 } 2881 } catch (FileNotFoundException e) { 2882 // Don't be noisy, this is normal if we haven't defined any policies. 2883 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2884 | IndexOutOfBoundsException e) { 2885 Slog.w(LOG_TAG, "failed parsing " + file, e); 2886 } 2887 try { 2888 if (stream != null) { 2889 stream.close(); 2890 } 2891 } catch (IOException e) { 2892 // Ignore 2893 } 2894 2895 // Generate a list of admins from the admin map 2896 policy.mAdminList.addAll(policy.mAdminMap.values()); 2897 2898 // Might need to upgrade the file by rewriting it 2899 if (needsRewrite) { 2900 saveSettingsLocked(userHandle); 2901 } 2902 2903 validatePasswordOwnerLocked(policy); 2904 updateMaximumTimeToLockLocked(userHandle); 2905 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2906 if (policy.mStatusBarDisabled) { 2907 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2908 } 2909 } 2910 2911 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2912 long ident = mInjector.binderClearCallingIdentity(); 2913 try { 2914 mInjector.getIActivityManager() 2915 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2916 } catch (RemoteException e) { 2917 // Not gonna happen. 2918 } finally { 2919 mInjector.binderRestoreCallingIdentity(ident); 2920 } 2921 } 2922 2923 private void updateDeviceOwnerLocked() { 2924 long ident = mInjector.binderClearCallingIdentity(); 2925 try { 2926 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2927 // user id and also protect all other DAs too. 2928 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2929 if (deviceOwnerComponent != null) { 2930 mInjector.getIActivityManager() 2931 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2932 } 2933 } catch (RemoteException e) { 2934 // Not gonna happen. 2935 } finally { 2936 mInjector.binderRestoreCallingIdentity(ident); 2937 } 2938 } 2939 2940 static void validateQualityConstant(int quality) { 2941 switch (quality) { 2942 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2943 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2944 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2945 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2946 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2947 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2948 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2949 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2950 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2951 return; 2952 } 2953 throw new IllegalArgumentException("Invalid quality constant: 0x" 2954 + Integer.toHexString(quality)); 2955 } 2956 2957 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2958 if (policy.mPasswordOwner >= 0) { 2959 boolean haveOwner = false; 2960 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2961 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2962 haveOwner = true; 2963 break; 2964 } 2965 } 2966 if (!haveOwner) { 2967 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2968 + " no longer active; disabling"); 2969 policy.mPasswordOwner = -1; 2970 } 2971 } 2972 } 2973 2974 @VisibleForTesting 2975 void systemReady(int phase) { 2976 if (!mHasFeature) { 2977 return; 2978 } 2979 switch (phase) { 2980 case SystemService.PHASE_LOCK_SETTINGS_READY: 2981 onLockSettingsReady(); 2982 break; 2983 case SystemService.PHASE_BOOT_COMPLETED: 2984 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2985 break; 2986 } 2987 } 2988 2989 private void onLockSettingsReady() { 2990 getUserData(UserHandle.USER_SYSTEM); 2991 loadOwners(); 2992 cleanUpOldUsers(); 2993 maybeSetDefaultProfileOwnerUserRestrictions(); 2994 handleStartUser(UserHandle.USER_SYSTEM); 2995 2996 // Register an observer for watching for user setup complete and settings changes. 2997 mSetupContentObserver.register(); 2998 // Initialize the user setup state, to handle the upgrade case. 2999 updateUserSetupCompleteAndPaired(); 3000 3001 List<String> packageList; 3002 synchronized (this) { 3003 packageList = getKeepUninstalledPackagesLocked(); 3004 } 3005 if (packageList != null) { 3006 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 3007 } 3008 3009 synchronized (this) { 3010 // push the force-ephemeral-users policy to the user manager. 3011 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 3012 if (deviceOwner != null) { 3013 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 3014 } 3015 } 3016 } 3017 3018 private void ensureDeviceOwnerUserStarted() { 3019 final int userId; 3020 synchronized (this) { 3021 if (!mOwners.hasDeviceOwner()) { 3022 return; 3023 } 3024 userId = mOwners.getDeviceOwnerUserId(); 3025 } 3026 if (VERBOSE_LOG) { 3027 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 3028 } 3029 if (userId != UserHandle.USER_SYSTEM) { 3030 try { 3031 mInjector.getIActivityManager().startUserInBackground(userId); 3032 3033 // STOPSHIP Prevent the DO user from being killed. 3034 3035 } catch (RemoteException e) { 3036 Slog.w(LOG_TAG, "Exception starting user", e); 3037 } 3038 } 3039 } 3040 3041 void handleStartUser(int userId) { 3042 updateScreenCaptureDisabledInWindowManager(userId, 3043 getScreenCaptureDisabled(null, userId)); 3044 pushUserRestrictions(userId); 3045 3046 startOwnerService(userId, "start-user"); 3047 } 3048 3049 void handleUnlockUser(int userId) { 3050 startOwnerService(userId, "unlock-user"); 3051 } 3052 3053 void handleStopUser(int userId) { 3054 stopOwnerService(userId, "stop-user"); 3055 } 3056 3057 private void startOwnerService(int userId, String actionForLog) { 3058 final ComponentName owner = getOwnerComponent(userId); 3059 if (owner != null) { 3060 mDeviceAdminServiceController.startServiceForOwner( 3061 owner.getPackageName(), userId, actionForLog); 3062 } 3063 } 3064 3065 private void stopOwnerService(int userId, String actionForLog) { 3066 mDeviceAdminServiceController.stopServiceForOwner(userId, actionForLog); 3067 } 3068 3069 private void cleanUpOldUsers() { 3070 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 3071 // before reboot 3072 Set<Integer> usersWithProfileOwners; 3073 Set<Integer> usersWithData; 3074 synchronized(this) { 3075 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 3076 usersWithData = new ArraySet<>(); 3077 for (int i = 0; i < mUserData.size(); i++) { 3078 usersWithData.add(mUserData.keyAt(i)); 3079 } 3080 } 3081 List<UserInfo> allUsers = mUserManager.getUsers(); 3082 3083 Set<Integer> deletedUsers = new ArraySet<>(); 3084 deletedUsers.addAll(usersWithProfileOwners); 3085 deletedUsers.addAll(usersWithData); 3086 for (UserInfo userInfo : allUsers) { 3087 deletedUsers.remove(userInfo.id); 3088 } 3089 for (Integer userId : deletedUsers) { 3090 removeUserData(userId); 3091 } 3092 } 3093 3094 private void handlePasswordExpirationNotification(int userHandle) { 3095 final Bundle adminExtras = new Bundle(); 3096 adminExtras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 3097 3098 synchronized (this) { 3099 final long now = System.currentTimeMillis(); 3100 3101 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 3102 userHandle, /* parent */ false); 3103 final int N = admins.size(); 3104 for (int i = 0; i < N; i++) { 3105 ActiveAdmin admin = admins.get(i); 3106 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 3107 && admin.passwordExpirationTimeout > 0L 3108 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 3109 && admin.passwordExpirationDate > 0L) { 3110 sendAdminCommandLocked(admin, 3111 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING, adminExtras, null); 3112 } 3113 } 3114 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 3115 } 3116 } 3117 3118 /** 3119 * Clean up internal state when the set of installed trusted CA certificates changes. 3120 * 3121 * @param userHandle user to check for. This must be a real user and not, for example, 3122 * {@link UserHandle#ALL}. 3123 * @param installedCertificates the full set of certificate authorities currently installed for 3124 * {@param userHandle}. After calling this function, {@code mAcceptedCaCertificates} will 3125 * correspond to some subset of this. 3126 */ 3127 protected void onInstalledCertificatesChanged(final UserHandle userHandle, 3128 final @NonNull Collection<String> installedCertificates) { 3129 if (!mHasFeature) { 3130 return; 3131 } 3132 enforceManageUsers(); 3133 3134 synchronized (this) { 3135 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 3136 3137 boolean changed = false; 3138 changed |= policy.mAcceptedCaCertificates.retainAll(installedCertificates); 3139 changed |= policy.mOwnerInstalledCaCerts.retainAll(installedCertificates); 3140 if (changed) { 3141 saveSettingsLocked(userHandle.getIdentifier()); 3142 } 3143 } 3144 } 3145 3146 /** 3147 * Internal method used by {@link CertificateMonitor}. 3148 */ 3149 protected Set<String> getAcceptedCaCertificates(final UserHandle userHandle) { 3150 if (!mHasFeature) { 3151 return Collections.<String> emptySet(); 3152 } 3153 synchronized (this) { 3154 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 3155 return policy.mAcceptedCaCertificates; 3156 } 3157 } 3158 3159 /** 3160 * @param adminReceiver The admin to add 3161 * @param refreshing true = update an active admin, no error 3162 */ 3163 @Override 3164 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 3165 if (!mHasFeature) { 3166 return; 3167 } 3168 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 3169 } 3170 3171 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 3172 Bundle onEnableData) { 3173 mContext.enforceCallingOrSelfPermission( 3174 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3175 enforceFullCrossUsersPermission(userHandle); 3176 3177 DevicePolicyData policy = getUserData(userHandle); 3178 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 3179 /* throwForMissionPermission= */ true); 3180 if (info == null) { 3181 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 3182 } 3183 if (!info.getActivityInfo().applicationInfo.isInternal()) { 3184 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 3185 + adminReceiver); 3186 } 3187 if (info.getActivityInfo().applicationInfo.isInstantApp()) { 3188 throw new IllegalArgumentException("Instant apps cannot be device admins: " 3189 + adminReceiver); 3190 } 3191 synchronized (this) { 3192 long ident = mInjector.binderClearCallingIdentity(); 3193 try { 3194 final ActiveAdmin existingAdmin 3195 = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3196 if (!refreshing && existingAdmin != null) { 3197 throw new IllegalArgumentException("Admin is already added"); 3198 } 3199 if (policy.mRemovingAdmins.contains(adminReceiver)) { 3200 throw new IllegalArgumentException( 3201 "Trying to set an admin which is being removed"); 3202 } 3203 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 3204 newAdmin.testOnlyAdmin = 3205 (existingAdmin != null) ? existingAdmin.testOnlyAdmin 3206 : isPackageTestOnly(adminReceiver.getPackageName(), userHandle); 3207 policy.mAdminMap.put(adminReceiver, newAdmin); 3208 int replaceIndex = -1; 3209 final int N = policy.mAdminList.size(); 3210 for (int i=0; i < N; i++) { 3211 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 3212 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 3213 replaceIndex = i; 3214 break; 3215 } 3216 } 3217 if (replaceIndex == -1) { 3218 policy.mAdminList.add(newAdmin); 3219 enableIfNecessary(info.getPackageName(), userHandle); 3220 } else { 3221 policy.mAdminList.set(replaceIndex, newAdmin); 3222 } 3223 saveSettingsLocked(userHandle); 3224 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 3225 onEnableData, null); 3226 } finally { 3227 mInjector.binderRestoreCallingIdentity(ident); 3228 } 3229 } 3230 } 3231 3232 @Override 3233 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 3234 if (!mHasFeature) { 3235 return false; 3236 } 3237 enforceFullCrossUsersPermission(userHandle); 3238 synchronized (this) { 3239 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 3240 } 3241 } 3242 3243 @Override 3244 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 3245 if (!mHasFeature) { 3246 return false; 3247 } 3248 enforceFullCrossUsersPermission(userHandle); 3249 synchronized (this) { 3250 DevicePolicyData policyData = getUserData(userHandle); 3251 return policyData.mRemovingAdmins.contains(adminReceiver); 3252 } 3253 } 3254 3255 @Override 3256 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 3257 if (!mHasFeature) { 3258 return false; 3259 } 3260 enforceFullCrossUsersPermission(userHandle); 3261 synchronized (this) { 3262 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3263 if (administrator == null) { 3264 throw new SecurityException("No active admin " + adminReceiver); 3265 } 3266 return administrator.info.usesPolicy(policyId); 3267 } 3268 } 3269 3270 @Override 3271 @SuppressWarnings("unchecked") 3272 public List<ComponentName> getActiveAdmins(int userHandle) { 3273 if (!mHasFeature) { 3274 return Collections.EMPTY_LIST; 3275 } 3276 3277 enforceFullCrossUsersPermission(userHandle); 3278 synchronized (this) { 3279 DevicePolicyData policy = getUserData(userHandle); 3280 final int N = policy.mAdminList.size(); 3281 if (N <= 0) { 3282 return null; 3283 } 3284 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 3285 for (int i=0; i<N; i++) { 3286 res.add(policy.mAdminList.get(i).info.getComponent()); 3287 } 3288 return res; 3289 } 3290 } 3291 3292 @Override 3293 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 3294 if (!mHasFeature) { 3295 return false; 3296 } 3297 enforceFullCrossUsersPermission(userHandle); 3298 synchronized (this) { 3299 DevicePolicyData policy = getUserData(userHandle); 3300 final int N = policy.mAdminList.size(); 3301 for (int i=0; i<N; i++) { 3302 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 3303 return true; 3304 } 3305 } 3306 return false; 3307 } 3308 } 3309 3310 public void forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { 3311 if (!mHasFeature) { 3312 return; 3313 } 3314 Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); 3315 enforceShell("forceRemoveActiveAdmin"); 3316 long ident = mInjector.binderClearCallingIdentity(); 3317 try { 3318 synchronized (this) { 3319 if (!isAdminTestOnlyLocked(adminReceiver, userHandle)) { 3320 throw new SecurityException("Attempt to remove non-test admin " 3321 + adminReceiver + " " + userHandle); 3322 } 3323 3324 // If admin is a device or profile owner tidy that up first. 3325 if (isDeviceOwner(adminReceiver, userHandle)) { 3326 clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); 3327 } 3328 if (isProfileOwner(adminReceiver, userHandle)) { 3329 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, 3330 userHandle, /* parent */ false); 3331 clearProfileOwnerLocked(admin, userHandle); 3332 } 3333 } 3334 // Remove the admin skipping sending the broadcast. 3335 removeAdminArtifacts(adminReceiver, userHandle); 3336 Slog.i(LOG_TAG, "Admin " + adminReceiver + " removed from user " + userHandle); 3337 } finally { 3338 mInjector.binderRestoreCallingIdentity(ident); 3339 } 3340 } 3341 3342 private void clearDeviceOwnerUserRestrictionLocked(UserHandle userHandle) { 3343 // ManagedProvisioning/DPC sets DISALLOW_ADD_USER. Clear to recover to the original state 3344 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_USER, userHandle)) { 3345 mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_USER, false, userHandle); 3346 } 3347 } 3348 3349 /** 3350 * Return if a given package has testOnly="true", in which case we'll relax certain rules 3351 * for CTS. 3352 * 3353 * DO NOT use this method except in {@link #setActiveAdmin}. Use {@link #isAdminTestOnlyLocked} 3354 * to check wehter an active admin is test-only or not. 3355 * 3356 * The system allows this flag to be changed when an app is updated, which is not good 3357 * for us. So we persist the flag in {@link ActiveAdmin} when an admin is first installed, 3358 * and used the persisted version in actual checks. (See b/31382361 and b/28928996) 3359 */ 3360 private boolean isPackageTestOnly(String packageName, int userHandle) { 3361 final ApplicationInfo ai; 3362 try { 3363 ai = mIPackageManager.getApplicationInfo(packageName, 3364 (PackageManager.MATCH_DIRECT_BOOT_AWARE 3365 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE), userHandle); 3366 } catch (RemoteException e) { 3367 throw new IllegalStateException(e); 3368 } 3369 if (ai == null) { 3370 throw new IllegalStateException("Couldn't find package: " 3371 + packageName + " on user " + userHandle); 3372 } 3373 return (ai.flags & ApplicationInfo.FLAG_TEST_ONLY) != 0; 3374 } 3375 3376 /** 3377 * See {@link #isPackageTestOnly}. 3378 */ 3379 private boolean isAdminTestOnlyLocked(ComponentName who, int userHandle) { 3380 final ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3381 return (admin != null) && admin.testOnlyAdmin; 3382 } 3383 3384 private void enforceShell(String method) { 3385 final int callingUid = Binder.getCallingUid(); 3386 if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { 3387 throw new SecurityException("Non-shell user attempted to call " + method); 3388 } 3389 } 3390 3391 @Override 3392 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 3393 if (!mHasFeature) { 3394 return; 3395 } 3396 enforceFullCrossUsersPermission(userHandle); 3397 enforceUserUnlocked(userHandle); 3398 synchronized (this) { 3399 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3400 if (admin == null) { 3401 return; 3402 } 3403 // Active device/profile owners must remain active admins. 3404 if (isDeviceOwner(adminReceiver, userHandle) 3405 || isProfileOwner(adminReceiver, userHandle)) { 3406 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 3407 adminReceiver); 3408 return; 3409 } 3410 if (admin.getUid() != mInjector.binderGetCallingUid()) { 3411 mContext.enforceCallingOrSelfPermission( 3412 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3413 } 3414 long ident = mInjector.binderClearCallingIdentity(); 3415 try { 3416 removeActiveAdminLocked(adminReceiver, userHandle); 3417 } finally { 3418 mInjector.binderRestoreCallingIdentity(ident); 3419 } 3420 } 3421 } 3422 3423 @Override 3424 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 3425 ComponentName profileOwner = getProfileOwner(userHandle); 3426 // Profile challenge is supported on N or newer release. 3427 return profileOwner != null && 3428 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 3429 } 3430 3431 @Override 3432 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 3433 if (!mHasFeature) { 3434 return; 3435 } 3436 Preconditions.checkNotNull(who, "ComponentName is null"); 3437 validateQualityConstant(quality); 3438 3439 synchronized (this) { 3440 ActiveAdmin ap = getActiveAdminForCallerLocked( 3441 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3442 if (ap.minimumPasswordMetrics.quality != quality) { 3443 ap.minimumPasswordMetrics.quality = quality; 3444 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3445 } 3446 } 3447 } 3448 3449 @Override 3450 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 3451 if (!mHasFeature) { 3452 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3453 } 3454 enforceFullCrossUsersPermission(userHandle); 3455 synchronized (this) { 3456 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3457 3458 if (who != null) { 3459 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3460 return admin != null ? admin.minimumPasswordMetrics.quality : mode; 3461 } 3462 3463 // Return the strictest policy across all participating admins. 3464 List<ActiveAdmin> admins = 3465 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3466 final int N = admins.size(); 3467 for (int i = 0; i < N; i++) { 3468 ActiveAdmin admin = admins.get(i); 3469 if (mode < admin.minimumPasswordMetrics.quality) { 3470 mode = admin.minimumPasswordMetrics.quality; 3471 } 3472 } 3473 return mode; 3474 } 3475 } 3476 3477 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 3478 int userHandle, boolean parent) { 3479 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 3480 // If this user has a separate challenge, only return its restrictions. 3481 return getUserDataUnchecked(userHandle).mAdminList; 3482 } else { 3483 // Return all admins for this user and the profiles that are visible from this 3484 // user that do not use a separate work challenge. 3485 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 3486 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3487 DevicePolicyData policy = getUserData(userInfo.id); 3488 if (!userInfo.isManagedProfile()) { 3489 admins.addAll(policy.mAdminList); 3490 } else { 3491 // For managed profiles, we always include the policies set on the parent 3492 // profile. Additionally, we include the ones set on the managed profile 3493 // if no separate challenge is in place. 3494 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 3495 final int N = policy.mAdminList.size(); 3496 for (int i = 0; i < N; i++) { 3497 ActiveAdmin admin = policy.mAdminList.get(i); 3498 if (admin.hasParentActiveAdmin()) { 3499 admins.add(admin.getParentActiveAdmin()); 3500 } 3501 if (!hasSeparateChallenge) { 3502 admins.add(admin); 3503 } 3504 } 3505 } 3506 } 3507 return admins; 3508 } 3509 } 3510 3511 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 3512 long ident = mInjector.binderClearCallingIdentity(); 3513 try { 3514 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 3515 } finally { 3516 mInjector.binderRestoreCallingIdentity(ident); 3517 } 3518 } 3519 3520 @Override 3521 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 3522 if (!mHasFeature) { 3523 return; 3524 } 3525 Preconditions.checkNotNull(who, "ComponentName is null"); 3526 synchronized (this) { 3527 ActiveAdmin ap = getActiveAdminForCallerLocked( 3528 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3529 if (ap.minimumPasswordMetrics.length != length) { 3530 ap.minimumPasswordMetrics.length = length; 3531 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3532 } 3533 } 3534 } 3535 3536 @Override 3537 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 3538 if (!mHasFeature) { 3539 return 0; 3540 } 3541 enforceFullCrossUsersPermission(userHandle); 3542 synchronized (this) { 3543 int length = 0; 3544 3545 if (who != null) { 3546 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3547 return admin != null ? admin.minimumPasswordMetrics.length : length; 3548 } 3549 3550 // Return the strictest policy across all participating admins. 3551 List<ActiveAdmin> admins = 3552 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3553 final int N = admins.size(); 3554 for (int i = 0; i < N; i++) { 3555 ActiveAdmin admin = admins.get(i); 3556 if (length < admin.minimumPasswordMetrics.length) { 3557 length = admin.minimumPasswordMetrics.length; 3558 } 3559 } 3560 return length; 3561 } 3562 } 3563 3564 @Override 3565 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3566 if (!mHasFeature) { 3567 return; 3568 } 3569 Preconditions.checkNotNull(who, "ComponentName is null"); 3570 synchronized (this) { 3571 ActiveAdmin ap = getActiveAdminForCallerLocked( 3572 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3573 if (ap.passwordHistoryLength != length) { 3574 ap.passwordHistoryLength = length; 3575 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3576 } 3577 } 3578 } 3579 3580 @Override 3581 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3582 if (!mHasFeature) { 3583 return 0; 3584 } 3585 enforceFullCrossUsersPermission(userHandle); 3586 synchronized (this) { 3587 int length = 0; 3588 3589 if (who != null) { 3590 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3591 return admin != null ? admin.passwordHistoryLength : length; 3592 } 3593 3594 // Return the strictest policy across all participating admins. 3595 List<ActiveAdmin> admins = 3596 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3597 final int N = admins.size(); 3598 for (int i = 0; i < N; i++) { 3599 ActiveAdmin admin = admins.get(i); 3600 if (length < admin.passwordHistoryLength) { 3601 length = admin.passwordHistoryLength; 3602 } 3603 } 3604 3605 return length; 3606 } 3607 } 3608 3609 @Override 3610 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3611 if (!mHasFeature) { 3612 return; 3613 } 3614 Preconditions.checkNotNull(who, "ComponentName is null"); 3615 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3616 final int userHandle = mInjector.userHandleGetCallingUserId(); 3617 synchronized (this) { 3618 ActiveAdmin ap = getActiveAdminForCallerLocked( 3619 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3620 // Calling this API automatically bumps the expiration date 3621 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3622 ap.passwordExpirationDate = expiration; 3623 ap.passwordExpirationTimeout = timeout; 3624 if (timeout > 0L) { 3625 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3626 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3627 .format(new Date(expiration))); 3628 } 3629 saveSettingsLocked(userHandle); 3630 3631 // in case this is the first one, set the alarm on the appropriate user. 3632 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3633 } 3634 } 3635 3636 /** 3637 * Return a single admin's expiration cycle time, or the min of all cycle times. 3638 * Returns 0 if not configured. 3639 */ 3640 @Override 3641 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3642 if (!mHasFeature) { 3643 return 0L; 3644 } 3645 enforceFullCrossUsersPermission(userHandle); 3646 synchronized (this) { 3647 long timeout = 0L; 3648 3649 if (who != null) { 3650 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3651 return admin != null ? admin.passwordExpirationTimeout : timeout; 3652 } 3653 3654 // Return the strictest policy across all participating admins. 3655 List<ActiveAdmin> admins = 3656 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3657 final int N = admins.size(); 3658 for (int i = 0; i < N; i++) { 3659 ActiveAdmin admin = admins.get(i); 3660 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3661 && timeout > admin.passwordExpirationTimeout)) { 3662 timeout = admin.passwordExpirationTimeout; 3663 } 3664 } 3665 return timeout; 3666 } 3667 } 3668 3669 @Override 3670 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3671 final int userId = UserHandle.getCallingUserId(); 3672 List<String> changedProviders = null; 3673 3674 synchronized (this) { 3675 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3676 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3677 if (activeAdmin.crossProfileWidgetProviders == null) { 3678 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3679 } 3680 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3681 if (!providers.contains(packageName)) { 3682 providers.add(packageName); 3683 changedProviders = new ArrayList<>(providers); 3684 saveSettingsLocked(userId); 3685 } 3686 } 3687 3688 if (changedProviders != null) { 3689 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3690 return true; 3691 } 3692 3693 return false; 3694 } 3695 3696 @Override 3697 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3698 final int userId = UserHandle.getCallingUserId(); 3699 List<String> changedProviders = null; 3700 3701 synchronized (this) { 3702 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3703 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3704 if (activeAdmin.crossProfileWidgetProviders == null 3705 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3706 return false; 3707 } 3708 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3709 if (providers.remove(packageName)) { 3710 changedProviders = new ArrayList<>(providers); 3711 saveSettingsLocked(userId); 3712 } 3713 } 3714 3715 if (changedProviders != null) { 3716 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3717 return true; 3718 } 3719 3720 return false; 3721 } 3722 3723 @Override 3724 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3725 synchronized (this) { 3726 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3727 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3728 if (activeAdmin.crossProfileWidgetProviders == null 3729 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3730 return null; 3731 } 3732 if (mInjector.binderIsCallingUidMyUid()) { 3733 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3734 } else { 3735 return activeAdmin.crossProfileWidgetProviders; 3736 } 3737 } 3738 } 3739 3740 /** 3741 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3742 * Returns 0 if not configured. 3743 */ 3744 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3745 long timeout = 0L; 3746 3747 if (who != null) { 3748 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3749 return admin != null ? admin.passwordExpirationDate : timeout; 3750 } 3751 3752 // Return the strictest policy across all participating admins. 3753 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3754 final int N = admins.size(); 3755 for (int i = 0; i < N; i++) { 3756 ActiveAdmin admin = admins.get(i); 3757 if (timeout == 0L || (admin.passwordExpirationDate != 0 3758 && timeout > admin.passwordExpirationDate)) { 3759 timeout = admin.passwordExpirationDate; 3760 } 3761 } 3762 return timeout; 3763 } 3764 3765 @Override 3766 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3767 if (!mHasFeature) { 3768 return 0L; 3769 } 3770 enforceFullCrossUsersPermission(userHandle); 3771 synchronized (this) { 3772 return getPasswordExpirationLocked(who, userHandle, parent); 3773 } 3774 } 3775 3776 @Override 3777 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3778 if (!mHasFeature) { 3779 return; 3780 } 3781 Preconditions.checkNotNull(who, "ComponentName is null"); 3782 synchronized (this) { 3783 ActiveAdmin ap = getActiveAdminForCallerLocked( 3784 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3785 if (ap.minimumPasswordMetrics.upperCase != length) { 3786 ap.minimumPasswordMetrics.upperCase = length; 3787 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3788 } 3789 } 3790 } 3791 3792 @Override 3793 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3794 if (!mHasFeature) { 3795 return 0; 3796 } 3797 enforceFullCrossUsersPermission(userHandle); 3798 synchronized (this) { 3799 int length = 0; 3800 3801 if (who != null) { 3802 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3803 return admin != null ? admin.minimumPasswordMetrics.upperCase : length; 3804 } 3805 3806 // Return the strictest policy across all participating admins. 3807 List<ActiveAdmin> admins = 3808 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3809 final int N = admins.size(); 3810 for (int i = 0; i < N; i++) { 3811 ActiveAdmin admin = admins.get(i); 3812 if (length < admin.minimumPasswordMetrics.upperCase) { 3813 length = admin.minimumPasswordMetrics.upperCase; 3814 } 3815 } 3816 return length; 3817 } 3818 } 3819 3820 @Override 3821 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3822 Preconditions.checkNotNull(who, "ComponentName is null"); 3823 synchronized (this) { 3824 ActiveAdmin ap = getActiveAdminForCallerLocked( 3825 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3826 if (ap.minimumPasswordMetrics.lowerCase != length) { 3827 ap.minimumPasswordMetrics.lowerCase = length; 3828 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3829 } 3830 } 3831 } 3832 3833 @Override 3834 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3835 if (!mHasFeature) { 3836 return 0; 3837 } 3838 enforceFullCrossUsersPermission(userHandle); 3839 synchronized (this) { 3840 int length = 0; 3841 3842 if (who != null) { 3843 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3844 return admin != null ? admin.minimumPasswordMetrics.lowerCase : length; 3845 } 3846 3847 // Return the strictest policy across all participating admins. 3848 List<ActiveAdmin> admins = 3849 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3850 final int N = admins.size(); 3851 for (int i = 0; i < N; i++) { 3852 ActiveAdmin admin = admins.get(i); 3853 if (length < admin.minimumPasswordMetrics.lowerCase) { 3854 length = admin.minimumPasswordMetrics.lowerCase; 3855 } 3856 } 3857 return length; 3858 } 3859 } 3860 3861 @Override 3862 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3863 if (!mHasFeature) { 3864 return; 3865 } 3866 Preconditions.checkNotNull(who, "ComponentName is null"); 3867 synchronized (this) { 3868 ActiveAdmin ap = getActiveAdminForCallerLocked( 3869 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3870 if (ap.minimumPasswordMetrics.letters != length) { 3871 ap.minimumPasswordMetrics.letters = length; 3872 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3873 } 3874 } 3875 } 3876 3877 @Override 3878 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3879 if (!mHasFeature) { 3880 return 0; 3881 } 3882 enforceFullCrossUsersPermission(userHandle); 3883 synchronized (this) { 3884 int length = 0; 3885 3886 if (who != null) { 3887 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3888 return admin != null ? admin.minimumPasswordMetrics.letters : length; 3889 } 3890 3891 // Return the strictest policy across all participating admins. 3892 List<ActiveAdmin> admins = 3893 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3894 final int N = admins.size(); 3895 for (int i = 0; i < N; i++) { 3896 ActiveAdmin admin = admins.get(i); 3897 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3898 continue; 3899 } 3900 if (length < admin.minimumPasswordMetrics.letters) { 3901 length = admin.minimumPasswordMetrics.letters; 3902 } 3903 } 3904 return length; 3905 } 3906 } 3907 3908 @Override 3909 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3910 if (!mHasFeature) { 3911 return; 3912 } 3913 Preconditions.checkNotNull(who, "ComponentName is null"); 3914 synchronized (this) { 3915 ActiveAdmin ap = getActiveAdminForCallerLocked( 3916 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3917 if (ap.minimumPasswordMetrics.numeric != length) { 3918 ap.minimumPasswordMetrics.numeric = length; 3919 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3920 } 3921 } 3922 } 3923 3924 @Override 3925 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3926 if (!mHasFeature) { 3927 return 0; 3928 } 3929 enforceFullCrossUsersPermission(userHandle); 3930 synchronized (this) { 3931 int length = 0; 3932 3933 if (who != null) { 3934 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3935 return admin != null ? admin.minimumPasswordMetrics.numeric : length; 3936 } 3937 3938 // Return the strictest policy across all participating admins. 3939 List<ActiveAdmin> admins = 3940 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3941 final int N = admins.size(); 3942 for (int i = 0; i < N; i++) { 3943 ActiveAdmin admin = admins.get(i); 3944 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3945 continue; 3946 } 3947 if (length < admin.minimumPasswordMetrics.numeric) { 3948 length = admin.minimumPasswordMetrics.numeric; 3949 } 3950 } 3951 return length; 3952 } 3953 } 3954 3955 @Override 3956 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3957 if (!mHasFeature) { 3958 return; 3959 } 3960 Preconditions.checkNotNull(who, "ComponentName is null"); 3961 synchronized (this) { 3962 ActiveAdmin ap = getActiveAdminForCallerLocked( 3963 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3964 if (ap.minimumPasswordMetrics.symbols != length) { 3965 ap.minimumPasswordMetrics.symbols = length; 3966 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3967 } 3968 } 3969 } 3970 3971 @Override 3972 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3973 if (!mHasFeature) { 3974 return 0; 3975 } 3976 enforceFullCrossUsersPermission(userHandle); 3977 synchronized (this) { 3978 int length = 0; 3979 3980 if (who != null) { 3981 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3982 return admin != null ? admin.minimumPasswordMetrics.symbols : length; 3983 } 3984 3985 // Return the strictest policy across all participating admins. 3986 List<ActiveAdmin> admins = 3987 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3988 final int N = admins.size(); 3989 for (int i = 0; i < N; i++) { 3990 ActiveAdmin admin = admins.get(i); 3991 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3992 continue; 3993 } 3994 if (length < admin.minimumPasswordMetrics.symbols) { 3995 length = admin.minimumPasswordMetrics.symbols; 3996 } 3997 } 3998 return length; 3999 } 4000 } 4001 4002 @Override 4003 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 4004 if (!mHasFeature) { 4005 return; 4006 } 4007 Preconditions.checkNotNull(who, "ComponentName is null"); 4008 synchronized (this) { 4009 ActiveAdmin ap = getActiveAdminForCallerLocked( 4010 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 4011 if (ap.minimumPasswordMetrics.nonLetter != length) { 4012 ap.minimumPasswordMetrics.nonLetter = length; 4013 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 4014 } 4015 } 4016 } 4017 4018 @Override 4019 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 4020 if (!mHasFeature) { 4021 return 0; 4022 } 4023 enforceFullCrossUsersPermission(userHandle); 4024 synchronized (this) { 4025 int length = 0; 4026 4027 if (who != null) { 4028 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4029 return admin != null ? admin.minimumPasswordMetrics.nonLetter : length; 4030 } 4031 4032 // Return the strictest policy across all participating admins. 4033 List<ActiveAdmin> admins = 4034 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 4035 final int N = admins.size(); 4036 for (int i = 0; i < N; i++) { 4037 ActiveAdmin admin = admins.get(i); 4038 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 4039 continue; 4040 } 4041 if (length < admin.minimumPasswordMetrics.nonLetter) { 4042 length = admin.minimumPasswordMetrics.nonLetter; 4043 } 4044 } 4045 return length; 4046 } 4047 } 4048 4049 @Override 4050 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 4051 if (!mHasFeature) { 4052 return true; 4053 } 4054 enforceFullCrossUsersPermission(userHandle); 4055 4056 synchronized (this) { 4057 // This API can only be called by an active device admin, 4058 // so try to retrieve it to check that the caller is one. 4059 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 4060 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 4061 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 4062 } 4063 } 4064 4065 @Override 4066 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 4067 if (!mHasFeature) { 4068 return true; 4069 } 4070 enforceFullCrossUsersPermission(userHandle); 4071 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 4072 4073 synchronized (this) { 4074 int targetUser = getProfileParentId(userHandle); 4075 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 4076 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 4077 } 4078 } 4079 4080 private boolean isActivePasswordSufficientForUserLocked( 4081 DevicePolicyData policy, int userHandle, boolean parent) { 4082 enforceUserUnlocked(userHandle, parent); 4083 4084 final int requiredPasswordQuality = getPasswordQuality(null, userHandle, parent); 4085 if (policy.mActivePasswordMetrics.quality < requiredPasswordQuality) { 4086 return false; 4087 } 4088 if (requiredPasswordQuality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC 4089 && policy.mActivePasswordMetrics.length < getPasswordMinimumLength( 4090 null, userHandle, parent)) { 4091 return false; 4092 } 4093 if (requiredPasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4094 return true; 4095 } 4096 return policy.mActivePasswordMetrics.upperCase >= getPasswordMinimumUpperCase( 4097 null, userHandle, parent) 4098 && policy.mActivePasswordMetrics.lowerCase >= getPasswordMinimumLowerCase( 4099 null, userHandle, parent) 4100 && policy.mActivePasswordMetrics.letters >= getPasswordMinimumLetters( 4101 null, userHandle, parent) 4102 && policy.mActivePasswordMetrics.numeric >= getPasswordMinimumNumeric( 4103 null, userHandle, parent) 4104 && policy.mActivePasswordMetrics.symbols >= getPasswordMinimumSymbols( 4105 null, userHandle, parent) 4106 && policy.mActivePasswordMetrics.nonLetter >= getPasswordMinimumNonLetter( 4107 null, userHandle, parent); 4108 } 4109 4110 @Override 4111 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 4112 enforceFullCrossUsersPermission(userHandle); 4113 synchronized (this) { 4114 if (!isCallerWithSystemUid()) { 4115 // This API can only be called by an active device admin, 4116 // so try to retrieve it to check that the caller is one. 4117 getActiveAdminForCallerLocked( 4118 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 4119 } 4120 4121 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 4122 4123 return policy.mFailedPasswordAttempts; 4124 } 4125 } 4126 4127 @Override 4128 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 4129 if (!mHasFeature) { 4130 return; 4131 } 4132 Preconditions.checkNotNull(who, "ComponentName is null"); 4133 synchronized (this) { 4134 // This API can only be called by an active device admin, 4135 // so try to retrieve it to check that the caller is one. 4136 getActiveAdminForCallerLocked( 4137 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 4138 ActiveAdmin ap = getActiveAdminForCallerLocked( 4139 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 4140 if (ap.maximumFailedPasswordsForWipe != num) { 4141 ap.maximumFailedPasswordsForWipe = num; 4142 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 4143 } 4144 } 4145 } 4146 4147 @Override 4148 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 4149 if (!mHasFeature) { 4150 return 0; 4151 } 4152 enforceFullCrossUsersPermission(userHandle); 4153 synchronized (this) { 4154 ActiveAdmin admin = (who != null) 4155 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 4156 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 4157 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 4158 } 4159 } 4160 4161 @Override 4162 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 4163 if (!mHasFeature) { 4164 return UserHandle.USER_NULL; 4165 } 4166 enforceFullCrossUsersPermission(userHandle); 4167 synchronized (this) { 4168 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4169 userHandle, parent); 4170 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 4171 } 4172 } 4173 4174 /** 4175 * Returns the admin with the strictest policy on maximum failed passwords for: 4176 * <ul> 4177 * <li>this user if it has a separate profile challenge, or 4178 * <li>this user and all profiles that don't have their own challenge otherwise. 4179 * </ul> 4180 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 4181 * the primary profile. 4182 * Returns {@code null} if no participating admin has that policy set. 4183 */ 4184 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 4185 int userHandle, boolean parent) { 4186 int count = 0; 4187 ActiveAdmin strictestAdmin = null; 4188 4189 // Return the strictest policy across all participating admins. 4190 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 4191 final int N = admins.size(); 4192 for (int i = 0; i < N; i++) { 4193 ActiveAdmin admin = admins.get(i); 4194 if (admin.maximumFailedPasswordsForWipe == 4195 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 4196 continue; // No max number of failed passwords policy set for this profile. 4197 } 4198 4199 // We always favor the primary profile if several profiles have the same value set. 4200 int userId = admin.getUserHandle().getIdentifier(); 4201 if (count == 0 || 4202 count > admin.maximumFailedPasswordsForWipe || 4203 (count == admin.maximumFailedPasswordsForWipe && 4204 getUserInfo(userId).isPrimary())) { 4205 count = admin.maximumFailedPasswordsForWipe; 4206 strictestAdmin = admin; 4207 } 4208 } 4209 return strictestAdmin; 4210 } 4211 4212 private UserInfo getUserInfo(@UserIdInt int userId) { 4213 final long token = mInjector.binderClearCallingIdentity(); 4214 try { 4215 return mUserManager.getUserInfo(userId); 4216 } finally { 4217 mInjector.binderRestoreCallingIdentity(token); 4218 } 4219 } 4220 @Override 4221 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 4222 final int callingUid = mInjector.binderGetCallingUid(); 4223 final int userHandle = mInjector.userHandleGetCallingUserId(); 4224 4225 String password = passwordOrNull != null ? passwordOrNull : ""; 4226 4227 // Password resetting to empty/null is not allowed for managed profiles. 4228 if (TextUtils.isEmpty(password)) { 4229 enforceNotManagedProfile(userHandle, "clear the active password"); 4230 } 4231 4232 synchronized (this) { 4233 // If caller has PO (or DO) it can change the password, so see if that's the case first. 4234 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 4235 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 4236 final boolean preN; 4237 if (admin != null) { 4238 final int targetSdk = getTargetSdk(admin.info.getPackageName(), userHandle); 4239 if (targetSdk >= Build.VERSION_CODES.O) { 4240 throw new SecurityException("resetPassword() is deprecated for DPC targeting O" 4241 + " or later"); 4242 } 4243 preN = targetSdk <= android.os.Build.VERSION_CODES.M; 4244 } else { 4245 // Otherwise, make sure the caller has any active admin with the right policy. 4246 admin = getActiveAdminForCallerLocked(null, 4247 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 4248 preN = getTargetSdk(admin.info.getPackageName(), 4249 userHandle) <= android.os.Build.VERSION_CODES.M; 4250 4251 // As of N, password resetting to empty/null is not allowed anymore. 4252 // TODO Should we allow DO/PO to set an empty password? 4253 if (TextUtils.isEmpty(password)) { 4254 if (!preN) { 4255 throw new SecurityException("Cannot call with null password"); 4256 } else { 4257 Slog.e(LOG_TAG, "Cannot call with null password"); 4258 return false; 4259 } 4260 } 4261 // As of N, password cannot be changed by the admin if it is already set. 4262 if (isLockScreenSecureUnchecked(userHandle)) { 4263 if (!preN) { 4264 throw new SecurityException("Admin cannot change current password"); 4265 } else { 4266 Slog.e(LOG_TAG, "Admin cannot change current password"); 4267 return false; 4268 } 4269 } 4270 } 4271 // Do not allow to reset password when current user has a managed profile 4272 if (!isManagedProfile(userHandle)) { 4273 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4274 if (userInfo.isManagedProfile()) { 4275 if (!preN) { 4276 throw new IllegalStateException( 4277 "Cannot reset password on user has managed profile"); 4278 } else { 4279 Slog.e(LOG_TAG, "Cannot reset password on user has managed profile"); 4280 return false; 4281 } 4282 } 4283 } 4284 } 4285 // Do not allow to reset password when user is locked 4286 if (!mUserManager.isUserUnlocked(userHandle)) { 4287 if (!preN) { 4288 throw new IllegalStateException("Cannot reset password when user is locked"); 4289 } else { 4290 Slog.e(LOG_TAG, "Cannot reset password when user is locked"); 4291 return false; 4292 } 4293 } 4294 } 4295 4296 return resetPasswordInternal(password, 0, null, flags, callingUid, userHandle); 4297 } 4298 4299 private boolean resetPasswordInternal(String password, long tokenHandle, byte[] token, 4300 int flags, int callingUid, int userHandle) { 4301 int quality; 4302 synchronized (this) { 4303 quality = getPasswordQuality(null, userHandle, /* parent */ false); 4304 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 4305 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 4306 } 4307 final PasswordMetrics metrics = PasswordMetrics.computeForPassword(password); 4308 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 4309 final int realQuality = metrics.quality; 4310 if (realQuality < quality 4311 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4312 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 4313 + Integer.toHexString(realQuality) 4314 + " does not meet required quality 0x" 4315 + Integer.toHexString(quality)); 4316 return false; 4317 } 4318 quality = Math.max(realQuality, quality); 4319 } 4320 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 4321 if (password.length() < length) { 4322 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 4323 + " does not meet required length " + length); 4324 return false; 4325 } 4326 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4327 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 4328 if(metrics.letters < neededLetters) { 4329 Slog.w(LOG_TAG, "resetPassword: number of letters " + metrics.letters 4330 + " does not meet required number of letters " + neededLetters); 4331 return false; 4332 } 4333 int neededNumeric = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 4334 if (metrics.numeric < neededNumeric) { 4335 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + metrics.numeric 4336 + " does not meet required number of numerical digits " 4337 + neededNumeric); 4338 return false; 4339 } 4340 int neededLowerCase = getPasswordMinimumLowerCase( 4341 null, userHandle, /* parent */ false); 4342 if (metrics.lowerCase < neededLowerCase) { 4343 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " 4344 + metrics.lowerCase 4345 + " does not meet required number of lowercase letters " 4346 + neededLowerCase); 4347 return false; 4348 } 4349 int neededUpperCase = getPasswordMinimumUpperCase( 4350 null, userHandle, /* parent */ false); 4351 if (metrics.upperCase < neededUpperCase) { 4352 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " 4353 + metrics.upperCase 4354 + " does not meet required number of uppercase letters " 4355 + neededUpperCase); 4356 return false; 4357 } 4358 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 4359 if (metrics.symbols < neededSymbols) { 4360 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + metrics.symbols 4361 + " does not meet required number of special symbols " + neededSymbols); 4362 return false; 4363 } 4364 int neededNonLetter = getPasswordMinimumNonLetter( 4365 null, userHandle, /* parent */ false); 4366 if (metrics.nonLetter < neededNonLetter) { 4367 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " 4368 + metrics.nonLetter 4369 + " does not meet required number of non-letter characters " 4370 + neededNonLetter); 4371 return false; 4372 } 4373 } 4374 } 4375 4376 DevicePolicyData policy = getUserData(userHandle); 4377 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 4378 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 4379 return false; 4380 } 4381 4382 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 4383 boolean doNotAskCredentialsOnBoot = 4384 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 4385 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 4386 setDoNotAskCredentialsOnBoot(); 4387 } 4388 4389 // Don't do this with the lock held, because it is going to call 4390 // back in to the service. 4391 final long ident = mInjector.binderClearCallingIdentity(); 4392 final boolean result; 4393 try { 4394 if (token == null) { 4395 if (!TextUtils.isEmpty(password)) { 4396 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 4397 } else { 4398 mLockPatternUtils.clearLock(null, userHandle); 4399 } 4400 result = true; 4401 } else { 4402 result = mLockPatternUtils.setLockCredentialWithToken(password, 4403 TextUtils.isEmpty(password) ? LockPatternUtils.CREDENTIAL_TYPE_NONE 4404 : LockPatternUtils.CREDENTIAL_TYPE_PASSWORD, 4405 tokenHandle, token, userHandle); 4406 } 4407 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 4408 if (requireEntry) { 4409 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 4410 UserHandle.USER_ALL); 4411 } 4412 synchronized (this) { 4413 int newOwner = requireEntry ? callingUid : -1; 4414 if (policy.mPasswordOwner != newOwner) { 4415 policy.mPasswordOwner = newOwner; 4416 saveSettingsLocked(userHandle); 4417 } 4418 } 4419 } finally { 4420 mInjector.binderRestoreCallingIdentity(ident); 4421 } 4422 return result; 4423 } 4424 4425 private boolean isLockScreenSecureUnchecked(int userId) { 4426 long ident = mInjector.binderClearCallingIdentity(); 4427 try { 4428 return mLockPatternUtils.isSecure(userId); 4429 } finally { 4430 mInjector.binderRestoreCallingIdentity(ident); 4431 } 4432 } 4433 4434 private void setDoNotAskCredentialsOnBoot() { 4435 synchronized (this) { 4436 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4437 if (!policyData.doNotAskCredentialsOnBoot) { 4438 policyData.doNotAskCredentialsOnBoot = true; 4439 saveSettingsLocked(UserHandle.USER_SYSTEM); 4440 } 4441 } 4442 } 4443 4444 @Override 4445 public boolean getDoNotAskCredentialsOnBoot() { 4446 mContext.enforceCallingOrSelfPermission( 4447 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 4448 synchronized (this) { 4449 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4450 return policyData.doNotAskCredentialsOnBoot; 4451 } 4452 } 4453 4454 @Override 4455 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 4456 if (!mHasFeature) { 4457 return; 4458 } 4459 Preconditions.checkNotNull(who, "ComponentName is null"); 4460 final int userHandle = mInjector.userHandleGetCallingUserId(); 4461 synchronized (this) { 4462 ActiveAdmin ap = getActiveAdminForCallerLocked( 4463 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4464 if (ap.maximumTimeToUnlock != timeMs) { 4465 ap.maximumTimeToUnlock = timeMs; 4466 saveSettingsLocked(userHandle); 4467 updateMaximumTimeToLockLocked(userHandle); 4468 } 4469 } 4470 } 4471 4472 void updateMaximumTimeToLockLocked(int userHandle) { 4473 // Calculate the min timeout for all profiles - including the ones with a separate 4474 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 4475 // challenge only and keep the screen on. However there is no easy way of doing that at the 4476 // moment so we set the screen off timeout regardless of whether it affects the parent user 4477 // or the profile challenge only. 4478 long timeMs = Long.MAX_VALUE; 4479 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 4480 for (int profileId : profileIds) { 4481 DevicePolicyData policy = getUserDataUnchecked(profileId); 4482 final int N = policy.mAdminList.size(); 4483 for (int i = 0; i < N; i++) { 4484 ActiveAdmin admin = policy.mAdminList.get(i); 4485 if (admin.maximumTimeToUnlock > 0 4486 && timeMs > admin.maximumTimeToUnlock) { 4487 timeMs = admin.maximumTimeToUnlock; 4488 } 4489 // If userInfo.id is a managed profile, we also need to look at 4490 // the policies set on the parent. 4491 if (admin.hasParentActiveAdmin()) { 4492 final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); 4493 if (parentAdmin.maximumTimeToUnlock > 0 4494 && timeMs > parentAdmin.maximumTimeToUnlock) { 4495 timeMs = parentAdmin.maximumTimeToUnlock; 4496 } 4497 } 4498 } 4499 } 4500 4501 // We only store the last maximum time to lock on the parent profile. So if calling from a 4502 // managed profile, retrieve the policy for the parent. 4503 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 4504 if (policy.mLastMaximumTimeToLock == timeMs) { 4505 return; 4506 } 4507 policy.mLastMaximumTimeToLock = timeMs; 4508 4509 final long ident = mInjector.binderClearCallingIdentity(); 4510 try { 4511 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 4512 // Make sure KEEP_SCREEN_ON is disabled, since that 4513 // would allow bypassing of the maximum time to lock. 4514 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 4515 } 4516 4517 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 4518 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 4519 } finally { 4520 mInjector.binderRestoreCallingIdentity(ident); 4521 } 4522 } 4523 4524 @Override 4525 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 4526 if (!mHasFeature) { 4527 return 0; 4528 } 4529 enforceFullCrossUsersPermission(userHandle); 4530 synchronized (this) { 4531 if (who != null) { 4532 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4533 return admin != null ? admin.maximumTimeToUnlock : 0; 4534 } 4535 // Return the strictest policy across all participating admins. 4536 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4537 userHandle, parent); 4538 return getMaximumTimeToLockPolicyFromAdmins(admins); 4539 } 4540 } 4541 4542 @Override 4543 public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { 4544 if (!mHasFeature) { 4545 return 0; 4546 } 4547 enforceFullCrossUsersPermission(userHandle); 4548 synchronized (this) { 4549 // All admins for this user. 4550 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 4551 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4552 DevicePolicyData policy = getUserData(userInfo.id); 4553 admins.addAll(policy.mAdminList); 4554 // If it is a managed profile, it may have parent active admins 4555 if (userInfo.isManagedProfile()) { 4556 for (ActiveAdmin admin : policy.mAdminList) { 4557 if (admin.hasParentActiveAdmin()) { 4558 admins.add(admin.getParentActiveAdmin()); 4559 } 4560 } 4561 } 4562 } 4563 return getMaximumTimeToLockPolicyFromAdmins(admins); 4564 } 4565 } 4566 4567 private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { 4568 long time = 0; 4569 final int N = admins.size(); 4570 for (int i = 0; i < N; i++) { 4571 ActiveAdmin admin = admins.get(i); 4572 if (time == 0) { 4573 time = admin.maximumTimeToUnlock; 4574 } else if (admin.maximumTimeToUnlock != 0 4575 && time > admin.maximumTimeToUnlock) { 4576 time = admin.maximumTimeToUnlock; 4577 } 4578 } 4579 return time; 4580 } 4581 4582 @Override 4583 public void setRequiredStrongAuthTimeout(ComponentName who, long timeoutMs, 4584 boolean parent) { 4585 if (!mHasFeature) { 4586 return; 4587 } 4588 Preconditions.checkNotNull(who, "ComponentName is null"); 4589 Preconditions.checkArgument(timeoutMs >= 0, "Timeout must not be a negative number."); 4590 // timeoutMs with value 0 means that the admin doesn't participate 4591 // timeoutMs is clamped to the interval in case the internal constants change in the future 4592 final long minimumStrongAuthTimeout = getMinimumStrongAuthTimeoutMs(); 4593 if (timeoutMs != 0 && timeoutMs < minimumStrongAuthTimeout) { 4594 timeoutMs = minimumStrongAuthTimeout; 4595 } 4596 if (timeoutMs > DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 4597 timeoutMs = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4598 } 4599 4600 final int userHandle = mInjector.userHandleGetCallingUserId(); 4601 synchronized (this) { 4602 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4603 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, parent); 4604 if (ap.strongAuthUnlockTimeout != timeoutMs) { 4605 ap.strongAuthUnlockTimeout = timeoutMs; 4606 saveSettingsLocked(userHandle); 4607 } 4608 } 4609 } 4610 4611 /** 4612 * Return a single admin's strong auth unlock timeout or minimum value (strictest) of all 4613 * admins if who is null. 4614 * Returns 0 if not configured for the provided admin. 4615 */ 4616 @Override 4617 public long getRequiredStrongAuthTimeout(ComponentName who, int userId, boolean parent) { 4618 if (!mHasFeature) { 4619 return DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4620 } 4621 enforceFullCrossUsersPermission(userId); 4622 synchronized (this) { 4623 if (who != null) { 4624 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userId, parent); 4625 return admin != null ? admin.strongAuthUnlockTimeout : 0; 4626 } 4627 4628 // Return the strictest policy across all participating admins. 4629 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userId, parent); 4630 4631 long strongAuthUnlockTimeout = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4632 for (int i = 0; i < admins.size(); i++) { 4633 final long timeout = admins.get(i).strongAuthUnlockTimeout; 4634 if (timeout != 0) { // take only participating admins into account 4635 strongAuthUnlockTimeout = Math.min(timeout, strongAuthUnlockTimeout); 4636 } 4637 } 4638 return Math.max(strongAuthUnlockTimeout, getMinimumStrongAuthTimeoutMs()); 4639 } 4640 } 4641 4642 private long getMinimumStrongAuthTimeoutMs() { 4643 if (!mInjector.isBuildDebuggable()) { 4644 return MINIMUM_STRONG_AUTH_TIMEOUT_MS; 4645 } 4646 // ideally the property was named persist.sys.min_strong_auth_timeout, but system property 4647 // name cannot be longer than 31 characters 4648 return Math.min(mInjector.systemPropertiesGetLong("persist.sys.min_str_auth_timeo", 4649 MINIMUM_STRONG_AUTH_TIMEOUT_MS), 4650 MINIMUM_STRONG_AUTH_TIMEOUT_MS); 4651 } 4652 4653 @Override 4654 public void lockNow(int flags, boolean parent) { 4655 if (!mHasFeature) { 4656 return; 4657 } 4658 4659 final int callingUserId = mInjector.userHandleGetCallingUserId(); 4660 synchronized (this) { 4661 // This API can only be called by an active device admin, 4662 // so try to retrieve it to check that the caller is one. 4663 final ActiveAdmin admin = getActiveAdminForCallerLocked( 4664 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4665 4666 final long ident = mInjector.binderClearCallingIdentity(); 4667 try { 4668 // Evict key 4669 if ((flags & DevicePolicyManager.FLAG_EVICT_CREDENTIAL_ENCRYPTION_KEY) != 0) { 4670 enforceManagedProfile( 4671 callingUserId, "set FLAG_EVICT_CREDENTIAL_ENCRYPTION_KEY"); 4672 if (!isProfileOwner(admin.info.getComponent(), callingUserId)) { 4673 throw new SecurityException("Only profile owner admins can set " 4674 + "FLAG_EVICT_CREDENTIAL_ENCRYPTION_KEY"); 4675 } 4676 if (parent) { 4677 throw new IllegalArgumentException( 4678 "Cannot set FLAG_EVICT_CREDENTIAL_ENCRYPTION_KEY for the parent"); 4679 } 4680 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 4681 throw new UnsupportedOperationException( 4682 "FLAG_EVICT_CREDENTIAL_ENCRYPTION_KEY only applies to FBE devices"); 4683 } 4684 mUserManager.evictCredentialEncryptionKey(callingUserId); 4685 } 4686 4687 // Lock all users unless this is a managed profile with a separate challenge 4688 final int userToLock = (parent || !isSeparateProfileChallengeEnabled(callingUserId) 4689 ? UserHandle.USER_ALL : callingUserId); 4690 mLockPatternUtils.requireStrongAuth( 4691 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 4692 4693 // Require authentication for the device or profile 4694 if (userToLock == UserHandle.USER_ALL) { 4695 // Power off the display 4696 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 4697 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 4698 mInjector.getIWindowManager().lockNow(null); 4699 } else { 4700 mInjector.getTrustManager().setDeviceLockedForUser(userToLock, true); 4701 } 4702 } catch (RemoteException e) { 4703 } finally { 4704 mInjector.binderRestoreCallingIdentity(ident); 4705 } 4706 } 4707 } 4708 4709 @Override 4710 public void enforceCanManageCaCerts(ComponentName who, String callerPackage) { 4711 if (who == null) { 4712 if (!isCallerDelegate(callerPackage, DELEGATION_CERT_INSTALL)) { 4713 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4714 } 4715 } else { 4716 enforceProfileOrDeviceOwner(who); 4717 } 4718 } 4719 4720 private void enforceProfileOrDeviceOwner(ComponentName who) { 4721 synchronized (this) { 4722 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4723 } 4724 } 4725 4726 @Override 4727 public boolean approveCaCert(String alias, int userId, boolean approval) { 4728 enforceManageUsers(); 4729 synchronized (this) { 4730 Set<String> certs = getUserData(userId).mAcceptedCaCertificates; 4731 boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); 4732 if (!changed) { 4733 return false; 4734 } 4735 saveSettingsLocked(userId); 4736 } 4737 mCertificateMonitor.onCertificateApprovalsChanged(userId); 4738 return true; 4739 } 4740 4741 @Override 4742 public boolean isCaCertApproved(String alias, int userId) { 4743 enforceManageUsers(); 4744 synchronized (this) { 4745 return getUserData(userId).mAcceptedCaCertificates.contains(alias); 4746 } 4747 } 4748 4749 private void removeCaApprovalsIfNeeded(int userId) { 4750 for (UserInfo userInfo : mUserManager.getProfiles(userId)) { 4751 boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); 4752 if (userInfo.isManagedProfile()){ 4753 isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); 4754 } 4755 if (!isSecure) { 4756 synchronized (this) { 4757 getUserData(userInfo.id).mAcceptedCaCertificates.clear(); 4758 saveSettingsLocked(userInfo.id); 4759 } 4760 mCertificateMonitor.onCertificateApprovalsChanged(userId); 4761 } 4762 } 4763 } 4764 4765 @Override 4766 public boolean installCaCert(ComponentName admin, String callerPackage, byte[] certBuffer) 4767 throws RemoteException { 4768 if (!mHasFeature) { 4769 return false; 4770 } 4771 enforceCanManageCaCerts(admin, callerPackage); 4772 4773 final String alias; 4774 4775 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 4776 final long id = mInjector.binderClearCallingIdentity(); 4777 try { 4778 alias = mCertificateMonitor.installCaCert(userHandle, certBuffer); 4779 if (alias == null) { 4780 Log.w(LOG_TAG, "Problem installing cert"); 4781 return false; 4782 } 4783 } finally { 4784 mInjector.binderRestoreCallingIdentity(id); 4785 } 4786 4787 synchronized (this) { 4788 getUserData(userHandle.getIdentifier()).mOwnerInstalledCaCerts.add(alias); 4789 saveSettingsLocked(userHandle.getIdentifier()); 4790 } 4791 return true; 4792 } 4793 4794 @Override 4795 public void uninstallCaCerts(ComponentName admin, String callerPackage, String[] aliases) { 4796 if (!mHasFeature) { 4797 return; 4798 } 4799 enforceCanManageCaCerts(admin, callerPackage); 4800 4801 final int userId = mInjector.userHandleGetCallingUserId(); 4802 final long id = mInjector.binderClearCallingIdentity(); 4803 try { 4804 mCertificateMonitor.uninstallCaCerts(UserHandle.of(userId), aliases); 4805 } finally { 4806 mInjector.binderRestoreCallingIdentity(id); 4807 } 4808 4809 synchronized (this) { 4810 if (getUserData(userId).mOwnerInstalledCaCerts.removeAll(Arrays.asList(aliases))) { 4811 saveSettingsLocked(userId); 4812 } 4813 } 4814 } 4815 4816 @Override 4817 public boolean installKeyPair(ComponentName who, String callerPackage, byte[] privKey, 4818 byte[] cert, byte[] chain, String alias, boolean requestAccess) { 4819 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 4820 DELEGATION_CERT_INSTALL); 4821 4822 4823 final int callingUid = mInjector.binderGetCallingUid(); 4824 final long id = mInjector.binderClearCallingIdentity(); 4825 try { 4826 final KeyChainConnection keyChainConnection = 4827 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4828 try { 4829 IKeyChainService keyChain = keyChainConnection.getService(); 4830 if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { 4831 return false; 4832 } 4833 if (requestAccess) { 4834 keyChain.setGrant(callingUid, alias, true); 4835 } 4836 return true; 4837 } catch (RemoteException e) { 4838 Log.e(LOG_TAG, "Installing certificate", e); 4839 } finally { 4840 keyChainConnection.close(); 4841 } 4842 } catch (InterruptedException e) { 4843 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4844 Thread.currentThread().interrupt(); 4845 } finally { 4846 mInjector.binderRestoreCallingIdentity(id); 4847 } 4848 return false; 4849 } 4850 4851 @Override 4852 public boolean removeKeyPair(ComponentName who, String callerPackage, String alias) { 4853 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 4854 DELEGATION_CERT_INSTALL); 4855 4856 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4857 final long id = Binder.clearCallingIdentity(); 4858 try { 4859 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4860 try { 4861 IKeyChainService keyChain = keyChainConnection.getService(); 4862 return keyChain.removeKeyPair(alias); 4863 } catch (RemoteException e) { 4864 Log.e(LOG_TAG, "Removing keypair", e); 4865 } finally { 4866 keyChainConnection.close(); 4867 } 4868 } catch (InterruptedException e) { 4869 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4870 Thread.currentThread().interrupt(); 4871 } finally { 4872 Binder.restoreCallingIdentity(id); 4873 } 4874 return false; 4875 } 4876 4877 @Override 4878 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4879 final IBinder response) { 4880 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4881 if (!isCallerWithSystemUid()) { 4882 return; 4883 } 4884 4885 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4886 // If there is a profile owner, redirect to that; otherwise query the device owner. 4887 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4888 if (aliasChooser == null && caller.isSystem()) { 4889 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4890 if (deviceOwnerAdmin != null) { 4891 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4892 } 4893 } 4894 if (aliasChooser == null) { 4895 sendPrivateKeyAliasResponse(null, response); 4896 return; 4897 } 4898 4899 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4900 intent.setComponent(aliasChooser); 4901 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4902 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4903 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4904 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4905 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4906 4907 final long id = mInjector.binderClearCallingIdentity(); 4908 try { 4909 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4910 @Override 4911 public void onReceive(Context context, Intent intent) { 4912 final String chosenAlias = getResultData(); 4913 sendPrivateKeyAliasResponse(chosenAlias, response); 4914 } 4915 }, null, Activity.RESULT_OK, null, null); 4916 } finally { 4917 mInjector.binderRestoreCallingIdentity(id); 4918 } 4919 } 4920 4921 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4922 final IKeyChainAliasCallback keyChainAliasResponse = 4923 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4924 // Send the response. It's OK to do this from the main thread because IKeyChainAliasCallback 4925 // is oneway, which means it won't block if the recipient lives in another process. 4926 try { 4927 keyChainAliasResponse.alias(alias); 4928 } catch (Exception e) { 4929 // Caller could throw RuntimeException or RemoteException back across processes. Catch 4930 // everything just to be sure. 4931 Log.e(LOG_TAG, "error while responding to callback", e); 4932 } 4933 } 4934 4935 /** 4936 * Determine whether DPMS should check if a delegate package is already installed before 4937 * granting it new delegations via {@link #setDelegatedScopes}. 4938 */ 4939 private static boolean shouldCheckIfDelegatePackageIsInstalled(String delegatePackage, 4940 int targetSdk, List<String> scopes) { 4941 // 1) Never skip is installed check from N. 4942 if (targetSdk >= Build.VERSION_CODES.N) { 4943 return true; 4944 } 4945 // 2) Skip if DELEGATION_CERT_INSTALL is the only scope being given. 4946 if (scopes.size() == 1 && scopes.get(0).equals(DELEGATION_CERT_INSTALL)) { 4947 return false; 4948 } 4949 // 3) Skip if all previously granted scopes are being cleared. 4950 if (scopes.isEmpty()) { 4951 return false; 4952 } 4953 // Otherwise it should check that delegatePackage is installed. 4954 return true; 4955 } 4956 4957 /** 4958 * Set the scopes of a device owner or profile owner delegate. 4959 * 4960 * @param who the device owner or profile owner. 4961 * @param delegatePackage the name of the delegate package. 4962 * @param scopes the list of delegation scopes to be given to the delegate package. 4963 */ 4964 @Override 4965 public void setDelegatedScopes(ComponentName who, String delegatePackage, 4966 List<String> scopes) throws SecurityException { 4967 Preconditions.checkNotNull(who, "ComponentName is null"); 4968 Preconditions.checkStringNotEmpty(delegatePackage, "Delegate package is null or empty"); 4969 Preconditions.checkCollectionElementsNotNull(scopes, "Scopes"); 4970 // Remove possible duplicates. 4971 scopes = new ArrayList(new ArraySet(scopes)); 4972 // Ensure given scopes are valid. 4973 if (scopes.retainAll(Arrays.asList(DELEGATIONS))) { 4974 throw new IllegalArgumentException("Unexpected delegation scopes"); 4975 } 4976 4977 // Retrieve the user ID of the calling process. 4978 final int userId = mInjector.userHandleGetCallingUserId(); 4979 synchronized (this) { 4980 // Ensure calling process is device/profile owner. 4981 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4982 // Ensure the delegate is installed (skip this for DELEGATION_CERT_INSTALL in pre-N). 4983 if (shouldCheckIfDelegatePackageIsInstalled(delegatePackage, 4984 getTargetSdk(who.getPackageName(), userId), scopes)) { 4985 // Throw when the delegate package is not installed. 4986 if (!isPackageInstalledForUser(delegatePackage, userId)) { 4987 throw new IllegalArgumentException("Package " + delegatePackage 4988 + " is not installed on the current user"); 4989 } 4990 } 4991 4992 // Set the new delegate in user policies. 4993 final DevicePolicyData policy = getUserData(userId); 4994 if (!scopes.isEmpty()) { 4995 policy.mDelegationMap.put(delegatePackage, new ArrayList<>(scopes)); 4996 } else { 4997 // Remove any delegation info if the given scopes list is empty. 4998 policy.mDelegationMap.remove(delegatePackage); 4999 } 5000 5001 // Notify delegate package of updates. 5002 final Intent intent = new Intent( 5003 DevicePolicyManager.ACTION_APPLICATION_DELEGATION_SCOPES_CHANGED); 5004 // Only call receivers registered with Context#registerReceiver (don’t wake delegate). 5005 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 5006 // Limit components this intent resolves to to the delegate package. 5007 intent.setPackage(delegatePackage); 5008 // Include the list of delegated scopes as an extra. 5009 intent.putStringArrayListExtra(DevicePolicyManager.EXTRA_DELEGATION_SCOPES, 5010 (ArrayList<String>) scopes); 5011 // Send the broadcast. 5012 mContext.sendBroadcastAsUser(intent, UserHandle.of(userId)); 5013 5014 // Persist updates. 5015 saveSettingsLocked(userId); 5016 } 5017 } 5018 5019 /** 5020 * Get the delegation scopes given to a delegate package by a device owner or profile owner. 5021 * 5022 * A DO/PO can get the scopes of any package. A non DO/PO package can get its own scopes by 5023 * passing in {@code null} as the {@code who} parameter and its own name as the 5024 * {@code delegatepackage}. 5025 * 5026 * @param who the device owner or profile owner, or {@code null} if the caller is 5027 * {@code delegatePackage}. 5028 * @param delegatePackage the name of the delegate package whose scopes are to be retrieved. 5029 * @return a list of the delegation scopes currently given to {@code delegatePackage}. 5030 */ 5031 @Override 5032 @NonNull 5033 public List<String> getDelegatedScopes(ComponentName who, 5034 String delegatePackage) throws SecurityException { 5035 Preconditions.checkNotNull(delegatePackage, "Delegate package is null"); 5036 5037 // Retrieve the user ID of the calling process. 5038 final int callingUid = mInjector.binderGetCallingUid(); 5039 final int userId = UserHandle.getUserId(callingUid); 5040 synchronized (this) { 5041 // Ensure calling process is device/profile owner. 5042 if (who != null) { 5043 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5044 // Or ensure calling process is delegatePackage itself. 5045 } else { 5046 int uid = 0; 5047 try { 5048 uid = mInjector.getPackageManager() 5049 .getPackageUidAsUser(delegatePackage, userId); 5050 } catch(NameNotFoundException e) { 5051 } 5052 if (uid != callingUid) { 5053 throw new SecurityException("Caller with uid " + callingUid + " is not " 5054 + delegatePackage); 5055 } 5056 } 5057 final DevicePolicyData policy = getUserData(userId); 5058 // Retrieve the scopes assigned to delegatePackage, or null if no scope was given. 5059 final List<String> scopes = policy.mDelegationMap.get(delegatePackage); 5060 return scopes == null ? Collections.EMPTY_LIST : scopes; 5061 } 5062 } 5063 5064 /** 5065 * Get a list of packages that were given a specific delegation scopes by a device owner or 5066 * profile owner. 5067 * 5068 * @param who the device owner or profile owner. 5069 * @param scope the scope whose delegates are to be retrieved. 5070 * @return a list of the delegate packages currently given the {@code scope} delegation. 5071 */ 5072 @NonNull 5073 public List<String> getDelegatePackages(ComponentName who, String scope) 5074 throws SecurityException { 5075 Preconditions.checkNotNull(who, "ComponentName is null"); 5076 Preconditions.checkNotNull(scope, "Scope is null"); 5077 if (!Arrays.asList(DELEGATIONS).contains(scope)) { 5078 throw new IllegalArgumentException("Unexpected delegation scope: " + scope); 5079 } 5080 5081 // Retrieve the user ID of the calling process. 5082 final int userId = mInjector.userHandleGetCallingUserId(); 5083 synchronized (this) { 5084 // Ensure calling process is device/profile owner. 5085 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5086 final DevicePolicyData policy = getUserData(userId); 5087 5088 // Create a list to hold the resulting delegate packages. 5089 final List<String> delegatePackagesWithScope = new ArrayList<>(); 5090 // Add all delegations containing scope to the result list. 5091 for (int i = 0; i < policy.mDelegationMap.size(); i++) { 5092 if (policy.mDelegationMap.valueAt(i).contains(scope)) { 5093 delegatePackagesWithScope.add(policy.mDelegationMap.keyAt(i)); 5094 } 5095 } 5096 return delegatePackagesWithScope; 5097 } 5098 } 5099 5100 /** 5101 * Check whether a caller application has been delegated a given scope via 5102 * {@link #setDelegatedScopes} to access privileged APIs on the behalf of a profile owner or 5103 * device owner. 5104 * <p> 5105 * This is done by checking that {@code callerPackage} was granted {@code scope} delegation and 5106 * then comparing the calling UID with the UID of {@code callerPackage} as reported by 5107 * {@link PackageManager#getPackageUidAsUser}. 5108 * 5109 * @param callerPackage the name of the package that is trying to invoke a function in the DPMS. 5110 * @param scope the delegation scope to be checked. 5111 * @return {@code true} if the calling process is a delegate of {@code scope}. 5112 */ 5113 private boolean isCallerDelegate(String callerPackage, String scope) { 5114 Preconditions.checkNotNull(callerPackage, "callerPackage is null"); 5115 if (!Arrays.asList(DELEGATIONS).contains(scope)) { 5116 throw new IllegalArgumentException("Unexpected delegation scope: " + scope); 5117 } 5118 5119 // Retrieve the UID and user ID of the calling process. 5120 final int callingUid = mInjector.binderGetCallingUid(); 5121 final int userId = UserHandle.getUserId(callingUid); 5122 synchronized (this) { 5123 // Retrieve user policy data. 5124 final DevicePolicyData policy = getUserData(userId); 5125 // Retrieve the list of delegation scopes granted to callerPackage. 5126 final List<String> scopes = policy.mDelegationMap.get(callerPackage); 5127 // Check callingUid only if callerPackage has the required scope delegation. 5128 if (scopes != null && scopes.contains(scope)) { 5129 try { 5130 // Retrieve the expected UID for callerPackage. 5131 final int uid = mInjector.getPackageManager() 5132 .getPackageUidAsUser(callerPackage, userId); 5133 // Return true if the caller is actually callerPackage. 5134 return uid == callingUid; 5135 } catch (NameNotFoundException e) { 5136 // Ignore. 5137 } 5138 } 5139 return false; 5140 } 5141 } 5142 5143 /** 5144 * Throw a security exception if a ComponentName is given and it is not a device/profile owner 5145 * or if the calling process is not a delegate of the given scope. 5146 * 5147 * @param who the device owner of profile owner, or null if {@code callerPackage} is a 5148 * {@code scope} delegate. 5149 * @param callerPackage the name of the calling package. Required if {@code who} is 5150 * {@code null}. 5151 * @param reqPolicy the policy used in the API whose access permission is being checked. 5152 * @param scope the delegation scope corresponding to the API being checked. 5153 * @throws SecurityException if {@code who} is given and is not an owner for {@code reqPolicy}; 5154 * or when {@code who} is {@code null} and {@code callerPackage} is not a delegate 5155 * of {@code scope}. 5156 */ 5157 private void enforceCanManageScope(ComponentName who, String callerPackage, int reqPolicy, 5158 String scope) { 5159 // If a ComponentName is given ensure it is a device or profile owner according to policy. 5160 if (who != null) { 5161 synchronized (this) { 5162 getActiveAdminForCallerLocked(who, reqPolicy); 5163 } 5164 // If no ComponentName is given ensure calling process has scope delegation. 5165 } else if (!isCallerDelegate(callerPackage, scope)) { 5166 throw new SecurityException("Caller with uid " + mInjector.binderGetCallingUid() 5167 + " is not a delegate of scope " + scope + "."); 5168 } 5169 } 5170 5171 /** 5172 * Helper function to preserve delegation behavior pre-O when using the deprecated functions 5173 * {@code #setCertInstallerPackage} and {@code #setApplicationRestrictionsManagingPackage}. 5174 */ 5175 private void setDelegatedScopePreO(ComponentName who, 5176 String delegatePackage, String scope) { 5177 Preconditions.checkNotNull(who, "ComponentName is null"); 5178 5179 final int userId = mInjector.userHandleGetCallingUserId(); 5180 synchronized(this) { 5181 // Ensure calling process is device/profile owner. 5182 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5183 final DevicePolicyData policy = getUserData(userId); 5184 5185 if (delegatePackage != null) { 5186 // Set package as a delegate for scope if it is not already one. 5187 List<String> scopes = policy.mDelegationMap.get(delegatePackage); 5188 if (scopes == null) { 5189 scopes = new ArrayList<>(); 5190 } 5191 if (!scopes.contains(scope)) { 5192 scopes.add(scope); 5193 setDelegatedScopes(who, delegatePackage, scopes); 5194 } 5195 } 5196 5197 // Clear any existing scope delegates. 5198 for (int i = 0; i < policy.mDelegationMap.size(); i++) { 5199 final String currentPackage = policy.mDelegationMap.keyAt(i); 5200 final List<String> currentScopes = policy.mDelegationMap.valueAt(i); 5201 5202 if (!currentPackage.equals(delegatePackage) && currentScopes.contains(scope)) { 5203 final List<String> newScopes = new ArrayList(currentScopes); 5204 newScopes.remove(scope); 5205 setDelegatedScopes(who, currentPackage, newScopes); 5206 } 5207 } 5208 } 5209 } 5210 5211 @Override 5212 public void setCertInstallerPackage(ComponentName who, String installerPackage) 5213 throws SecurityException { 5214 setDelegatedScopePreO(who, installerPackage, DELEGATION_CERT_INSTALL); 5215 } 5216 5217 @Override 5218 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 5219 final List<String> delegatePackages = getDelegatePackages(who, DELEGATION_CERT_INSTALL); 5220 return delegatePackages.size() > 0 ? delegatePackages.get(0) : null; 5221 } 5222 5223 /** 5224 * @return {@code true} if the package is installed and set as always-on, {@code false} if it is 5225 * not installed and therefore not available. 5226 * 5227 * @throws SecurityException if the caller is not a profile or device owner. 5228 * @throws UnsupportedOperationException if the package does not support being set as always-on. 5229 */ 5230 @Override 5231 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) 5232 throws SecurityException { 5233 enforceProfileOrDeviceOwner(admin); 5234 5235 final int userId = mInjector.userHandleGetCallingUserId(); 5236 final long token = mInjector.binderClearCallingIdentity(); 5237 try { 5238 if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { 5239 return false; 5240 } 5241 ConnectivityManager connectivityManager = (ConnectivityManager) 5242 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5243 if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { 5244 throw new UnsupportedOperationException(); 5245 } 5246 } finally { 5247 mInjector.binderRestoreCallingIdentity(token); 5248 } 5249 return true; 5250 } 5251 5252 @Override 5253 public String getAlwaysOnVpnPackage(ComponentName admin) 5254 throws SecurityException { 5255 enforceProfileOrDeviceOwner(admin); 5256 5257 final int userId = mInjector.userHandleGetCallingUserId(); 5258 final long token = mInjector.binderClearCallingIdentity(); 5259 try{ 5260 ConnectivityManager connectivityManager = (ConnectivityManager) 5261 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5262 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 5263 } finally { 5264 mInjector.binderRestoreCallingIdentity(token); 5265 } 5266 } 5267 5268 private void forceWipeDeviceNoLock(boolean wipeExtRequested, String reason) { 5269 wtfIfInLock(); 5270 5271 if (wipeExtRequested) { 5272 StorageManager sm = (StorageManager) mContext.getSystemService( 5273 Context.STORAGE_SERVICE); 5274 sm.wipeAdoptableDisks(); 5275 } 5276 try { 5277 mInjector.recoverySystemRebootWipeUserData( 5278 /*shutdown=*/ false, reason, /*force=*/ true); 5279 } catch (IOException | SecurityException e) { 5280 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 5281 } 5282 } 5283 5284 private void forceWipeUser(int userId) { 5285 try { 5286 IActivityManager am = mInjector.getIActivityManager(); 5287 if (am.getCurrentUser().id == userId) { 5288 am.switchUser(UserHandle.USER_SYSTEM); 5289 } 5290 5291 boolean userRemoved = mUserManagerInternal.removeUserEvenWhenDisallowed(userId); 5292 if (!userRemoved) { 5293 Slog.w(LOG_TAG, "Couldn't remove user " + userId); 5294 } else if (isManagedProfile(userId)) { 5295 sendWipeProfileNotification(); 5296 } 5297 } catch (RemoteException re) { 5298 // Shouldn't happen 5299 } 5300 } 5301 5302 @Override 5303 public void wipeData(int flags) { 5304 if (!mHasFeature) { 5305 return; 5306 } 5307 enforceFullCrossUsersPermission(mInjector.userHandleGetCallingUserId()); 5308 5309 final ActiveAdmin admin; 5310 synchronized (this) { 5311 admin = getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_WIPE_DATA); 5312 } 5313 String reason = "DevicePolicyManager.wipeData() from " 5314 + admin.info.getComponent().flattenToShortString(); 5315 wipeDataNoLock( 5316 admin.info.getComponent(), flags, reason, admin.getUserHandle().getIdentifier()); 5317 } 5318 5319 private void wipeDataNoLock(ComponentName admin, int flags, String reason, int userId) { 5320 wtfIfInLock(); 5321 5322 long ident = mInjector.binderClearCallingIdentity(); 5323 try { 5324 // First check whether the admin is allowed to wipe the device/user/profile. 5325 final String restriction; 5326 if (userId == UserHandle.USER_SYSTEM) { 5327 restriction = UserManager.DISALLOW_FACTORY_RESET; 5328 } else if (isManagedProfile(userId)) { 5329 restriction = UserManager.DISALLOW_REMOVE_MANAGED_PROFILE; 5330 } else { 5331 restriction = UserManager.DISALLOW_REMOVE_USER; 5332 } 5333 if (isAdminAffectedByRestriction(admin, restriction, userId)) { 5334 throw new SecurityException("Cannot wipe data. " + restriction 5335 + " restriction is set for user " + userId); 5336 } 5337 5338 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 5339 if (!isDeviceOwner(admin, userId)) { 5340 throw new SecurityException( 5341 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 5342 } 5343 PersistentDataBlockManager manager = (PersistentDataBlockManager) 5344 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 5345 if (manager != null) { 5346 manager.wipe(); 5347 } 5348 } 5349 5350 // TODO If split user is enabled and the device owner is set in the primary user 5351 // (rather than system), we should probably trigger factory reset. Current code just 5352 // removes that user (but still clears FRP...) 5353 if (userId == UserHandle.USER_SYSTEM) { 5354 forceWipeDeviceNoLock(/*wipeExtRequested=*/ (flags & WIPE_EXTERNAL_STORAGE) != 0, 5355 reason); 5356 } else { 5357 forceWipeUser(userId); 5358 } 5359 } finally { 5360 mInjector.binderRestoreCallingIdentity(ident); 5361 } 5362 } 5363 5364 private void sendWipeProfileNotification() { 5365 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 5366 Notification notification = 5367 new Notification.Builder(mContext, SystemNotificationChannels.DEVICE_ADMIN) 5368 .setSmallIcon(android.R.drawable.stat_sys_warning) 5369 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 5370 .setContentText(contentText) 5371 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 5372 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 5373 .build(); 5374 mInjector.getNotificationManager().notify(SystemMessage.NOTE_PROFILE_WIPED, notification); 5375 } 5376 5377 private void clearWipeProfileNotification() { 5378 mInjector.getNotificationManager().cancel(SystemMessage.NOTE_PROFILE_WIPED); 5379 } 5380 5381 @Override 5382 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 5383 if (!mHasFeature) { 5384 return; 5385 } 5386 enforceFullCrossUsersPermission(userHandle); 5387 mContext.enforceCallingOrSelfPermission( 5388 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5389 5390 synchronized (this) { 5391 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 5392 if (admin == null) { 5393 result.sendResult(null); 5394 return; 5395 } 5396 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 5397 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 5398 intent.setComponent(admin.info.getComponent()); 5399 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 5400 null, new BroadcastReceiver() { 5401 @Override 5402 public void onReceive(Context context, Intent intent) { 5403 result.sendResult(getResultExtras(false)); 5404 } 5405 }, null, Activity.RESULT_OK, null, null); 5406 } 5407 } 5408 5409 @Override 5410 public void setActivePasswordState(PasswordMetrics metrics, int userHandle) { 5411 if (!mHasFeature) { 5412 return; 5413 } 5414 enforceFullCrossUsersPermission(userHandle); 5415 mContext.enforceCallingOrSelfPermission( 5416 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5417 5418 // If the managed profile doesn't have a separate password, set the metrics to default 5419 if (isManagedProfile(userHandle) && !isSeparateProfileChallengeEnabled(userHandle)) { 5420 metrics = new PasswordMetrics(); 5421 } 5422 5423 validateQualityConstant(metrics.quality); 5424 DevicePolicyData policy = getUserData(userHandle); 5425 synchronized (this) { 5426 policy.mActivePasswordMetrics = metrics; 5427 } 5428 } 5429 5430 @Override 5431 public void reportPasswordChanged(@UserIdInt int userId) { 5432 if (!mHasFeature) { 5433 return; 5434 } 5435 enforceFullCrossUsersPermission(userId); 5436 5437 // Managed Profile password can only be changed when it has a separate challenge. 5438 if (!isSeparateProfileChallengeEnabled(userId)) { 5439 enforceNotManagedProfile(userId, "set the active password"); 5440 } 5441 5442 mContext.enforceCallingOrSelfPermission( 5443 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5444 5445 DevicePolicyData policy = getUserData(userId); 5446 5447 long ident = mInjector.binderClearCallingIdentity(); 5448 try { 5449 synchronized (this) { 5450 policy.mFailedPasswordAttempts = 0; 5451 saveSettingsLocked(userId); 5452 updatePasswordExpirationsLocked(userId); 5453 setExpirationAlarmCheckLocked(mContext, userId, /* parent */ false); 5454 5455 // Send a broadcast to each profile using this password as its primary unlock. 5456 sendAdminCommandForLockscreenPoliciesLocked( 5457 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 5458 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userId); 5459 } 5460 removeCaApprovalsIfNeeded(userId); 5461 } finally { 5462 mInjector.binderRestoreCallingIdentity(ident); 5463 } 5464 } 5465 5466 /** 5467 * Called any time the device password is updated. Resets all password expiration clocks. 5468 */ 5469 private void updatePasswordExpirationsLocked(int userHandle) { 5470 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 5471 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 5472 userHandle, /* parent */ false); 5473 final int N = admins.size(); 5474 for (int i = 0; i < N; i++) { 5475 ActiveAdmin admin = admins.get(i); 5476 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 5477 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 5478 long timeout = admin.passwordExpirationTimeout; 5479 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 5480 admin.passwordExpirationDate = expiration; 5481 } 5482 } 5483 for (int affectedUserId : affectedUserIds) { 5484 saveSettingsLocked(affectedUserId); 5485 } 5486 } 5487 5488 @Override 5489 public void reportFailedPasswordAttempt(int userHandle) { 5490 enforceFullCrossUsersPermission(userHandle); 5491 if (!isSeparateProfileChallengeEnabled(userHandle)) { 5492 enforceNotManagedProfile(userHandle, 5493 "report failed password attempt if separate profile challenge is not in place"); 5494 } 5495 mContext.enforceCallingOrSelfPermission( 5496 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5497 5498 boolean wipeData = false; 5499 ActiveAdmin strictestAdmin = null; 5500 final long ident = mInjector.binderClearCallingIdentity(); 5501 try { 5502 synchronized (this) { 5503 DevicePolicyData policy = getUserData(userHandle); 5504 policy.mFailedPasswordAttempts++; 5505 saveSettingsLocked(userHandle); 5506 if (mHasFeature) { 5507 strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 5508 userHandle, /* parent */ false); 5509 int max = strictestAdmin != null 5510 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 5511 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 5512 wipeData = true; 5513 } 5514 5515 sendAdminCommandForLockscreenPoliciesLocked( 5516 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 5517 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5518 } 5519 } 5520 } finally { 5521 mInjector.binderRestoreCallingIdentity(ident); 5522 } 5523 5524 if (wipeData && strictestAdmin != null) { 5525 final int userId = strictestAdmin.getUserHandle().getIdentifier(); 5526 Slog.i(LOG_TAG, "Max failed password attempts policy reached for admin: " 5527 + strictestAdmin.info.getComponent().flattenToShortString() 5528 + ". Calling wipeData for user " + userId); 5529 5530 // Attempt to wipe the device/user/profile associated with the admin, as if the 5531 // admin had called wipeData(). That way we can check whether the admin is actually 5532 // allowed to wipe the device (e.g. a regular device admin shouldn't be able to wipe the 5533 // device if the device owner has set DISALLOW_FACTORY_RESET, but the DO should be 5534 // able to do so). 5535 // IMPORTANT: Call without holding the lock to prevent deadlock. 5536 try { 5537 wipeDataNoLock(strictestAdmin.info.getComponent(), 5538 /*flags=*/ 0, 5539 /*reason=*/ "reportFailedPasswordAttempt()", 5540 userId); 5541 } catch (SecurityException e) { 5542 Slog.w(LOG_TAG, "Failed to wipe user " + userId 5543 + " after max failed password attempts reached.", e); 5544 } 5545 } 5546 5547 if (mInjector.securityLogIsLoggingEnabled()) { 5548 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5549 /*method strength*/ 1); 5550 } 5551 } 5552 5553 @Override 5554 public void reportSuccessfulPasswordAttempt(int userHandle) { 5555 enforceFullCrossUsersPermission(userHandle); 5556 mContext.enforceCallingOrSelfPermission( 5557 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5558 5559 synchronized (this) { 5560 DevicePolicyData policy = getUserData(userHandle); 5561 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 5562 long ident = mInjector.binderClearCallingIdentity(); 5563 try { 5564 policy.mFailedPasswordAttempts = 0; 5565 policy.mPasswordOwner = -1; 5566 saveSettingsLocked(userHandle); 5567 if (mHasFeature) { 5568 sendAdminCommandForLockscreenPoliciesLocked( 5569 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 5570 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5571 } 5572 } finally { 5573 mInjector.binderRestoreCallingIdentity(ident); 5574 } 5575 } 5576 } 5577 5578 if (mInjector.securityLogIsLoggingEnabled()) { 5579 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5580 /*method strength*/ 1); 5581 } 5582 } 5583 5584 @Override 5585 public void reportFailedFingerprintAttempt(int userHandle) { 5586 enforceFullCrossUsersPermission(userHandle); 5587 mContext.enforceCallingOrSelfPermission( 5588 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5589 if (mInjector.securityLogIsLoggingEnabled()) { 5590 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5591 /*method strength*/ 0); 5592 } 5593 } 5594 5595 @Override 5596 public void reportSuccessfulFingerprintAttempt(int userHandle) { 5597 enforceFullCrossUsersPermission(userHandle); 5598 mContext.enforceCallingOrSelfPermission( 5599 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5600 if (mInjector.securityLogIsLoggingEnabled()) { 5601 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5602 /*method strength*/ 0); 5603 } 5604 } 5605 5606 @Override 5607 public void reportKeyguardDismissed(int userHandle) { 5608 enforceFullCrossUsersPermission(userHandle); 5609 mContext.enforceCallingOrSelfPermission( 5610 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5611 5612 if (mInjector.securityLogIsLoggingEnabled()) { 5613 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 5614 } 5615 } 5616 5617 @Override 5618 public void reportKeyguardSecured(int userHandle) { 5619 enforceFullCrossUsersPermission(userHandle); 5620 mContext.enforceCallingOrSelfPermission( 5621 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5622 5623 if (mInjector.securityLogIsLoggingEnabled()) { 5624 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 5625 } 5626 } 5627 5628 @Override 5629 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 5630 String exclusionList) { 5631 if (!mHasFeature) { 5632 return null; 5633 } 5634 synchronized(this) { 5635 Preconditions.checkNotNull(who, "ComponentName is null"); 5636 5637 // Only check if system user has set global proxy. We don't allow other users to set it. 5638 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5639 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5640 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 5641 5642 // Scan through active admins and find if anyone has already 5643 // set the global proxy. 5644 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 5645 for (ComponentName component : compSet) { 5646 ActiveAdmin ap = policy.mAdminMap.get(component); 5647 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 5648 // Another admin already sets the global proxy 5649 // Return it to the caller. 5650 return component; 5651 } 5652 } 5653 5654 // If the user is not system, don't set the global proxy. Fail silently. 5655 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 5656 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 5657 + UserHandle.getCallingUserId() + " is not permitted."); 5658 return null; 5659 } 5660 if (proxySpec == null) { 5661 admin.specifiesGlobalProxy = false; 5662 admin.globalProxySpec = null; 5663 admin.globalProxyExclusionList = null; 5664 } else { 5665 5666 admin.specifiesGlobalProxy = true; 5667 admin.globalProxySpec = proxySpec; 5668 admin.globalProxyExclusionList = exclusionList; 5669 } 5670 5671 // Reset the global proxy accordingly 5672 // Do this using system permissions, as apps cannot write to secure settings 5673 long origId = mInjector.binderClearCallingIdentity(); 5674 try { 5675 resetGlobalProxyLocked(policy); 5676 } finally { 5677 mInjector.binderRestoreCallingIdentity(origId); 5678 } 5679 return null; 5680 } 5681 } 5682 5683 @Override 5684 public ComponentName getGlobalProxyAdmin(int userHandle) { 5685 if (!mHasFeature) { 5686 return null; 5687 } 5688 enforceFullCrossUsersPermission(userHandle); 5689 synchronized(this) { 5690 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5691 // Scan through active admins and find if anyone has already 5692 // set the global proxy. 5693 final int N = policy.mAdminList.size(); 5694 for (int i = 0; i < N; i++) { 5695 ActiveAdmin ap = policy.mAdminList.get(i); 5696 if (ap.specifiesGlobalProxy) { 5697 // Device admin sets the global proxy 5698 // Return it to the caller. 5699 return ap.info.getComponent(); 5700 } 5701 } 5702 } 5703 // No device admin sets the global proxy. 5704 return null; 5705 } 5706 5707 @Override 5708 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 5709 synchronized (this) { 5710 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5711 } 5712 long token = mInjector.binderClearCallingIdentity(); 5713 try { 5714 ConnectivityManager connectivityManager = (ConnectivityManager) 5715 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5716 connectivityManager.setGlobalProxy(proxyInfo); 5717 } finally { 5718 mInjector.binderRestoreCallingIdentity(token); 5719 } 5720 } 5721 5722 private void resetGlobalProxyLocked(DevicePolicyData policy) { 5723 final int N = policy.mAdminList.size(); 5724 for (int i = 0; i < N; i++) { 5725 ActiveAdmin ap = policy.mAdminList.get(i); 5726 if (ap.specifiesGlobalProxy) { 5727 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 5728 return; 5729 } 5730 } 5731 // No device admins defining global proxies - reset global proxy settings to none 5732 saveGlobalProxyLocked(null, null); 5733 } 5734 5735 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 5736 if (exclusionList == null) { 5737 exclusionList = ""; 5738 } 5739 if (proxySpec == null) { 5740 proxySpec = ""; 5741 } 5742 // Remove white spaces 5743 proxySpec = proxySpec.trim(); 5744 String data[] = proxySpec.split(":"); 5745 int proxyPort = 8080; 5746 if (data.length > 1) { 5747 try { 5748 proxyPort = Integer.parseInt(data[1]); 5749 } catch (NumberFormatException e) {} 5750 } 5751 exclusionList = exclusionList.trim(); 5752 5753 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 5754 if (!proxyProperties.isValid()) { 5755 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 5756 return; 5757 } 5758 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 5759 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 5760 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 5761 exclusionList); 5762 } 5763 5764 /** 5765 * Set the storage encryption request for a single admin. Returns the new total request 5766 * status (for all admins). 5767 */ 5768 @Override 5769 public int setStorageEncryption(ComponentName who, boolean encrypt) { 5770 if (!mHasFeature) { 5771 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5772 } 5773 Preconditions.checkNotNull(who, "ComponentName is null"); 5774 final int userHandle = UserHandle.getCallingUserId(); 5775 synchronized (this) { 5776 // Check for permissions 5777 // Only system user can set storage encryption 5778 if (userHandle != UserHandle.USER_SYSTEM) { 5779 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 5780 + UserHandle.getCallingUserId() + " is not permitted."); 5781 return 0; 5782 } 5783 5784 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5785 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 5786 5787 // Quick exit: If the filesystem does not support encryption, we can exit early. 5788 if (!isEncryptionSupported()) { 5789 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5790 } 5791 5792 // (1) Record the value for the admin so it's sticky 5793 if (ap.encryptionRequested != encrypt) { 5794 ap.encryptionRequested = encrypt; 5795 saveSettingsLocked(userHandle); 5796 } 5797 5798 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5799 // (2) Compute "max" for all admins 5800 boolean newRequested = false; 5801 final int N = policy.mAdminList.size(); 5802 for (int i = 0; i < N; i++) { 5803 newRequested |= policy.mAdminList.get(i).encryptionRequested; 5804 } 5805 5806 // Notify OS of new request 5807 setEncryptionRequested(newRequested); 5808 5809 // Return the new global request status 5810 return newRequested 5811 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5812 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5813 } 5814 } 5815 5816 /** 5817 * Get the current storage encryption request status for a given admin, or aggregate of all 5818 * active admins. 5819 */ 5820 @Override 5821 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5822 if (!mHasFeature) { 5823 return false; 5824 } 5825 enforceFullCrossUsersPermission(userHandle); 5826 synchronized (this) { 5827 // Check for permissions if a particular caller is specified 5828 if (who != null) { 5829 // When checking for a single caller, status is based on caller's request 5830 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5831 return ap != null ? ap.encryptionRequested : false; 5832 } 5833 5834 // If no particular caller is specified, return the aggregate set of requests. 5835 // This is short circuited by returning true on the first hit. 5836 DevicePolicyData policy = getUserData(userHandle); 5837 final int N = policy.mAdminList.size(); 5838 for (int i = 0; i < N; i++) { 5839 if (policy.mAdminList.get(i).encryptionRequested) { 5840 return true; 5841 } 5842 } 5843 return false; 5844 } 5845 } 5846 5847 /** 5848 * Get the current encryption status of the device. 5849 */ 5850 @Override 5851 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5852 if (!mHasFeature) { 5853 // Ok to return current status. 5854 } 5855 enforceFullCrossUsersPermission(userHandle); 5856 5857 // It's not critical here, but let's make sure the package name is correct, in case 5858 // we start using it for different purposes. 5859 ensureCallerPackage(callerPackage); 5860 5861 final ApplicationInfo ai; 5862 try { 5863 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5864 } catch (RemoteException e) { 5865 throw new SecurityException(e); 5866 } 5867 5868 boolean legacyApp = false; 5869 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5870 legacyApp = true; 5871 } 5872 5873 final int rawStatus = getEncryptionStatus(); 5874 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5875 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5876 } 5877 return rawStatus; 5878 } 5879 5880 /** 5881 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5882 */ 5883 private boolean isEncryptionSupported() { 5884 // Note, this can be implemented as 5885 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5886 // But is provided as a separate internal method if there's a faster way to do a 5887 // simple check for supported-or-not. 5888 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5889 } 5890 5891 /** 5892 * Hook to low-levels: Reporting the current status of encryption. 5893 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5894 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5895 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5896 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5897 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5898 */ 5899 private int getEncryptionStatus() { 5900 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5901 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5902 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5903 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5904 } else if (mInjector.storageManagerIsEncrypted()) { 5905 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5906 } else if (mInjector.storageManagerIsEncryptable()) { 5907 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5908 } else { 5909 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5910 } 5911 } 5912 5913 /** 5914 * Hook to low-levels: If needed, record the new admin setting for encryption. 5915 */ 5916 private void setEncryptionRequested(boolean encrypt) { 5917 } 5918 5919 /** 5920 * Set whether the screen capture is disabled for the user managed by the specified admin. 5921 */ 5922 @Override 5923 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5924 if (!mHasFeature) { 5925 return; 5926 } 5927 Preconditions.checkNotNull(who, "ComponentName is null"); 5928 final int userHandle = UserHandle.getCallingUserId(); 5929 synchronized (this) { 5930 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5931 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5932 if (ap.disableScreenCapture != disabled) { 5933 ap.disableScreenCapture = disabled; 5934 saveSettingsLocked(userHandle); 5935 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5936 } 5937 } 5938 } 5939 5940 /** 5941 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5942 * active admin (if given admin is null). 5943 */ 5944 @Override 5945 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 5946 if (!mHasFeature) { 5947 return false; 5948 } 5949 synchronized (this) { 5950 if (who != null) { 5951 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5952 return (admin != null) ? admin.disableScreenCapture : false; 5953 } 5954 5955 DevicePolicyData policy = getUserData(userHandle); 5956 final int N = policy.mAdminList.size(); 5957 for (int i = 0; i < N; i++) { 5958 ActiveAdmin admin = policy.mAdminList.get(i); 5959 if (admin.disableScreenCapture) { 5960 return true; 5961 } 5962 } 5963 return false; 5964 } 5965 } 5966 5967 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 5968 final boolean disabled) { 5969 mHandler.post(new Runnable() { 5970 @Override 5971 public void run() { 5972 try { 5973 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 5974 } catch (RemoteException e) { 5975 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 5976 } 5977 } 5978 }); 5979 } 5980 5981 /** 5982 * Set whether auto time is required by the specified admin (must be device or profile owner). 5983 */ 5984 @Override 5985 public void setAutoTimeRequired(ComponentName who, boolean required) { 5986 if (!mHasFeature) { 5987 return; 5988 } 5989 Preconditions.checkNotNull(who, "ComponentName is null"); 5990 final int userHandle = UserHandle.getCallingUserId(); 5991 synchronized (this) { 5992 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5993 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5994 if (admin.requireAutoTime != required) { 5995 admin.requireAutoTime = required; 5996 saveSettingsLocked(userHandle); 5997 } 5998 } 5999 6000 // Turn AUTO_TIME on in settings if it is required 6001 if (required) { 6002 long ident = mInjector.binderClearCallingIdentity(); 6003 try { 6004 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 6005 } finally { 6006 mInjector.binderRestoreCallingIdentity(ident); 6007 } 6008 } 6009 } 6010 6011 /** 6012 * Returns whether or not auto time is required by the device owner or any profile owner. 6013 */ 6014 @Override 6015 public boolean getAutoTimeRequired() { 6016 if (!mHasFeature) { 6017 return false; 6018 } 6019 synchronized (this) { 6020 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6021 if (deviceOwner != null && deviceOwner.requireAutoTime) { 6022 // If the device owner enforces auto time, we don't need to check the PO's 6023 return true; 6024 } 6025 6026 // Now check to see if any profile owner on any user enforces auto time 6027 for (Integer userId : mOwners.getProfileOwnerKeys()) { 6028 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 6029 if (profileOwner != null && profileOwner.requireAutoTime) { 6030 return true; 6031 } 6032 } 6033 6034 return false; 6035 } 6036 } 6037 6038 @Override 6039 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 6040 if (!mHasFeature) { 6041 return; 6042 } 6043 Preconditions.checkNotNull(who, "ComponentName is null"); 6044 // Allow setting this policy to true only if there is a split system user. 6045 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 6046 throw new UnsupportedOperationException( 6047 "Cannot force ephemeral users on systems without split system user."); 6048 } 6049 boolean removeAllUsers = false; 6050 synchronized (this) { 6051 final ActiveAdmin deviceOwner = 6052 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6053 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 6054 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 6055 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 6056 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 6057 removeAllUsers = forceEphemeralUsers; 6058 } 6059 } 6060 if (removeAllUsers) { 6061 long identitity = mInjector.binderClearCallingIdentity(); 6062 try { 6063 mUserManagerInternal.removeAllUsers(); 6064 } finally { 6065 mInjector.binderRestoreCallingIdentity(identitity); 6066 } 6067 } 6068 } 6069 6070 @Override 6071 public boolean getForceEphemeralUsers(ComponentName who) { 6072 if (!mHasFeature) { 6073 return false; 6074 } 6075 Preconditions.checkNotNull(who, "ComponentName is null"); 6076 synchronized (this) { 6077 final ActiveAdmin deviceOwner = 6078 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6079 return deviceOwner.forceEphemeralUsers; 6080 } 6081 } 6082 6083 private void ensureDeviceOwnerAndAllUsersAffiliated(ComponentName who) throws SecurityException { 6084 synchronized (this) { 6085 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6086 if (!areAllUsersAffiliatedWithDeviceLocked()) { 6087 throw new SecurityException("Not all users are affiliated."); 6088 } 6089 } 6090 } 6091 6092 @Override 6093 public boolean requestBugreport(ComponentName who) { 6094 if (!mHasFeature) { 6095 return false; 6096 } 6097 Preconditions.checkNotNull(who, "ComponentName is null"); 6098 6099 // TODO: If an unaffiliated user is removed, the admin will be able to request a bugreport 6100 // which could still contain data related to that user. Should we disallow that, e.g. until 6101 // next boot? Might not be needed given that this still requires user consent. 6102 ensureDeviceOwnerAndAllUsersAffiliated(who); 6103 6104 if (mRemoteBugreportServiceIsActive.get() 6105 || (getDeviceOwnerRemoteBugreportUri() != null)) { 6106 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 6107 return false; 6108 } 6109 6110 final long currentTime = System.currentTimeMillis(); 6111 synchronized (this) { 6112 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 6113 if (currentTime > policyData.mLastBugReportRequestTime) { 6114 policyData.mLastBugReportRequestTime = currentTime; 6115 saveSettingsLocked(UserHandle.USER_SYSTEM); 6116 } 6117 } 6118 6119 final long callingIdentity = mInjector.binderClearCallingIdentity(); 6120 try { 6121 mInjector.getIActivityManager().requestBugReport( 6122 ActivityManager.BUGREPORT_OPTION_REMOTE); 6123 6124 mRemoteBugreportServiceIsActive.set(true); 6125 mRemoteBugreportSharingAccepted.set(false); 6126 registerRemoteBugreportReceivers(); 6127 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 6128 RemoteBugreportUtils.NOTIFICATION_ID, 6129 RemoteBugreportUtils.buildNotification(mContext, 6130 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 6131 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 6132 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 6133 return true; 6134 } catch (RemoteException re) { 6135 // should never happen 6136 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 6137 return false; 6138 } finally { 6139 mInjector.binderRestoreCallingIdentity(callingIdentity); 6140 } 6141 } 6142 6143 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 6144 Intent intent = new Intent(action); 6145 intent.setComponent(mOwners.getDeviceOwnerComponent()); 6146 if (extras != null) { 6147 intent.putExtras(extras); 6148 } 6149 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 6150 } 6151 6152 private synchronized String getDeviceOwnerRemoteBugreportUri() { 6153 return mOwners.getDeviceOwnerRemoteBugreportUri(); 6154 } 6155 6156 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 6157 String bugreportHash) { 6158 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 6159 } 6160 6161 private void registerRemoteBugreportReceivers() { 6162 try { 6163 IntentFilter filterFinished = new IntentFilter( 6164 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 6165 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 6166 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 6167 } catch (IntentFilter.MalformedMimeTypeException e) { 6168 // should never happen, as setting a constant 6169 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 6170 } 6171 IntentFilter filterConsent = new IntentFilter(); 6172 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 6173 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 6174 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 6175 } 6176 6177 private void onBugreportFinished(Intent intent) { 6178 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 6179 mRemoteBugreportServiceIsActive.set(false); 6180 Uri bugreportUri = intent.getData(); 6181 String bugreportUriString = null; 6182 if (bugreportUri != null) { 6183 bugreportUriString = bugreportUri.toString(); 6184 } 6185 String bugreportHash = intent.getStringExtra( 6186 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 6187 if (mRemoteBugreportSharingAccepted.get()) { 6188 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 6189 mInjector.getNotificationManager().cancel(LOG_TAG, 6190 RemoteBugreportUtils.NOTIFICATION_ID); 6191 } else { 6192 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 6193 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 6194 RemoteBugreportUtils.buildNotification(mContext, 6195 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 6196 UserHandle.ALL); 6197 } 6198 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6199 } 6200 6201 private void onBugreportFailed() { 6202 mRemoteBugreportServiceIsActive.set(false); 6203 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 6204 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 6205 mRemoteBugreportSharingAccepted.set(false); 6206 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6207 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 6208 Bundle extras = new Bundle(); 6209 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 6210 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 6211 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 6212 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 6213 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6214 } 6215 6216 private void onBugreportSharingAccepted() { 6217 mRemoteBugreportSharingAccepted.set(true); 6218 String bugreportUriString = null; 6219 String bugreportHash = null; 6220 synchronized (this) { 6221 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 6222 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 6223 } 6224 if (bugreportUriString != null) { 6225 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 6226 } else if (mRemoteBugreportServiceIsActive.get()) { 6227 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 6228 RemoteBugreportUtils.buildNotification(mContext, 6229 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 6230 UserHandle.ALL); 6231 } 6232 } 6233 6234 private void onBugreportSharingDeclined() { 6235 if (mRemoteBugreportServiceIsActive.get()) { 6236 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 6237 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 6238 mRemoteBugreportServiceIsActive.set(false); 6239 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 6240 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6241 } 6242 mRemoteBugreportSharingAccepted.set(false); 6243 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6244 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 6245 } 6246 6247 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 6248 String bugreportHash) { 6249 ParcelFileDescriptor pfd = null; 6250 try { 6251 if (bugreportUriString == null) { 6252 throw new FileNotFoundException(); 6253 } 6254 Uri bugreportUri = Uri.parse(bugreportUriString); 6255 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 6256 6257 synchronized (this) { 6258 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 6259 intent.setComponent(mOwners.getDeviceOwnerComponent()); 6260 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 6261 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 6262 intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 6263 6264 LocalServices.getService(ActivityManagerInternal.class) 6265 .grantUriPermissionFromIntent(Process.SHELL_UID, 6266 mOwners.getDeviceOwnerComponent().getPackageName(), 6267 intent, mOwners.getDeviceOwnerUserId()); 6268 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 6269 } 6270 } catch (FileNotFoundException e) { 6271 Bundle extras = new Bundle(); 6272 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 6273 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 6274 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 6275 } finally { 6276 try { 6277 if (pfd != null) { 6278 pfd.close(); 6279 } 6280 } catch (IOException ex) { 6281 // Ignore 6282 } 6283 mRemoteBugreportSharingAccepted.set(false); 6284 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6285 } 6286 } 6287 6288 /** 6289 * Disables all device cameras according to the specified admin. 6290 */ 6291 @Override 6292 public void setCameraDisabled(ComponentName who, boolean disabled) { 6293 if (!mHasFeature) { 6294 return; 6295 } 6296 Preconditions.checkNotNull(who, "ComponentName is null"); 6297 final int userHandle = mInjector.userHandleGetCallingUserId(); 6298 synchronized (this) { 6299 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 6300 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 6301 if (ap.disableCamera != disabled) { 6302 ap.disableCamera = disabled; 6303 saveSettingsLocked(userHandle); 6304 } 6305 } 6306 // Tell the user manager that the restrictions have changed. 6307 pushUserRestrictions(userHandle); 6308 } 6309 6310 /** 6311 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 6312 * active admins. 6313 */ 6314 @Override 6315 public boolean getCameraDisabled(ComponentName who, int userHandle) { 6316 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 6317 } 6318 6319 private boolean getCameraDisabled(ComponentName who, int userHandle, 6320 boolean mergeDeviceOwnerRestriction) { 6321 if (!mHasFeature) { 6322 return false; 6323 } 6324 synchronized (this) { 6325 if (who != null) { 6326 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6327 return (admin != null) ? admin.disableCamera : false; 6328 } 6329 // First, see if DO has set it. If so, it's device-wide. 6330 if (mergeDeviceOwnerRestriction) { 6331 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6332 if (deviceOwner != null && deviceOwner.disableCamera) { 6333 return true; 6334 } 6335 } 6336 6337 // Then check each device admin on the user. 6338 DevicePolicyData policy = getUserData(userHandle); 6339 // Determine whether or not the device camera is disabled for any active admins. 6340 final int N = policy.mAdminList.size(); 6341 for (int i = 0; i < N; i++) { 6342 ActiveAdmin admin = policy.mAdminList.get(i); 6343 if (admin.disableCamera) { 6344 return true; 6345 } 6346 } 6347 return false; 6348 } 6349 } 6350 6351 @Override 6352 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 6353 if (!mHasFeature) { 6354 return; 6355 } 6356 Preconditions.checkNotNull(who, "ComponentName is null"); 6357 final int userHandle = mInjector.userHandleGetCallingUserId(); 6358 if (isManagedProfile(userHandle)) { 6359 if (parent) { 6360 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 6361 } else { 6362 which = which & PROFILE_KEYGUARD_FEATURES; 6363 } 6364 } 6365 synchronized (this) { 6366 ActiveAdmin ap = getActiveAdminForCallerLocked( 6367 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 6368 if (ap.disabledKeyguardFeatures != which) { 6369 ap.disabledKeyguardFeatures = which; 6370 saveSettingsLocked(userHandle); 6371 } 6372 } 6373 } 6374 6375 /** 6376 * Gets the disabled state for features in keyguard for the given admin, 6377 * or the aggregate of all active admins if who is null. 6378 */ 6379 @Override 6380 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 6381 if (!mHasFeature) { 6382 return 0; 6383 } 6384 enforceFullCrossUsersPermission(userHandle); 6385 final long ident = mInjector.binderClearCallingIdentity(); 6386 try { 6387 synchronized (this) { 6388 if (who != null) { 6389 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 6390 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 6391 } 6392 6393 final List<ActiveAdmin> admins; 6394 if (!parent && isManagedProfile(userHandle)) { 6395 // If we are being asked about a managed profile, just return keyguard features 6396 // disabled by admins in the profile. 6397 admins = getUserDataUnchecked(userHandle).mAdminList; 6398 } else { 6399 // Otherwise return those set by admins in the user and its profiles. 6400 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 6401 } 6402 6403 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 6404 final int N = admins.size(); 6405 for (int i = 0; i < N; i++) { 6406 ActiveAdmin admin = admins.get(i); 6407 int userId = admin.getUserHandle().getIdentifier(); 6408 boolean isRequestedUser = !parent && (userId == userHandle); 6409 if (isRequestedUser || !isManagedProfile(userId)) { 6410 // If we are being asked explicitly about this user 6411 // return all disabled features even if its a managed profile. 6412 which |= admin.disabledKeyguardFeatures; 6413 } else { 6414 // Otherwise a managed profile is only allowed to disable 6415 // some features on the parent user. 6416 which |= (admin.disabledKeyguardFeatures 6417 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 6418 } 6419 } 6420 return which; 6421 } 6422 } finally { 6423 mInjector.binderRestoreCallingIdentity(ident); 6424 } 6425 } 6426 6427 @Override 6428 public void setKeepUninstalledPackages(ComponentName who, String callerPackage, 6429 List<String> packageList) { 6430 if (!mHasFeature) { 6431 return; 6432 } 6433 Preconditions.checkNotNull(packageList, "packageList is null"); 6434 final int userHandle = UserHandle.getCallingUserId(); 6435 synchronized (this) { 6436 // Ensure the caller is a DO or a keep uninstalled packages delegate. 6437 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 6438 DELEGATION_KEEP_UNINSTALLED_PACKAGES); 6439 // Get the device owner 6440 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6441 // Set list of packages to be kept even if uninstalled. 6442 deviceOwner.keepUninstalledPackages = packageList; 6443 // Save settings. 6444 saveSettingsLocked(userHandle); 6445 // Notify package manager. 6446 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 6447 } 6448 } 6449 6450 @Override 6451 public List<String> getKeepUninstalledPackages(ComponentName who, String callerPackage) { 6452 if (!mHasFeature) { 6453 return null; 6454 } 6455 // TODO In split system user mode, allow apps on user 0 to query the list 6456 synchronized (this) { 6457 // Ensure the caller is a DO or a keep uninstalled packages delegate. 6458 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 6459 DELEGATION_KEEP_UNINSTALLED_PACKAGES); 6460 return getKeepUninstalledPackagesLocked(); 6461 } 6462 } 6463 6464 private List<String> getKeepUninstalledPackagesLocked() { 6465 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6466 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 6467 } 6468 6469 @Override 6470 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 6471 if (!mHasFeature) { 6472 return false; 6473 } 6474 if (admin == null 6475 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 6476 throw new IllegalArgumentException("Invalid component " + admin 6477 + " for device owner"); 6478 } 6479 final boolean hasIncompatibleAccountsOrNonAdb = 6480 hasIncompatibleAccountsOrNonAdbNoLock(userId, admin); 6481 synchronized (this) { 6482 enforceCanSetDeviceOwnerLocked(admin, userId, hasIncompatibleAccountsOrNonAdb); 6483 final ActiveAdmin activeAdmin = getActiveAdminUncheckedLocked(admin, userId); 6484 if (activeAdmin == null 6485 || getUserData(userId).mRemovingAdmins.contains(admin)) { 6486 throw new IllegalArgumentException("Not active admin: " + admin); 6487 } 6488 6489 // Shutting down backup manager service permanently. 6490 long ident = mInjector.binderClearCallingIdentity(); 6491 try { 6492 if (mInjector.getIBackupManager() != null) { 6493 mInjector.getIBackupManager() 6494 .setBackupServiceActive(UserHandle.USER_SYSTEM, false); 6495 } 6496 } catch (RemoteException e) { 6497 throw new IllegalStateException("Failed deactivating backup service.", e); 6498 } finally { 6499 mInjector.binderRestoreCallingIdentity(ident); 6500 } 6501 6502 if (isAdb()) { 6503 // Log device owner provisioning was started using adb. 6504 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_DEVICE_OWNER); 6505 } 6506 6507 mOwners.setDeviceOwner(admin, ownerName, userId); 6508 mOwners.writeDeviceOwner(); 6509 updateDeviceOwnerLocked(); 6510 setDeviceOwnerSystemPropertyLocked(); 6511 6512 final Set<String> restrictions = 6513 UserRestrictionsUtils.getDefaultEnabledForDeviceOwner(); 6514 if (!restrictions.isEmpty()) { 6515 for (String restriction : restrictions) { 6516 activeAdmin.ensureUserRestrictions().putBoolean(restriction, true); 6517 } 6518 activeAdmin.defaultEnabledRestrictionsAlreadySet.addAll(restrictions); 6519 Slog.i(LOG_TAG, "Enabled the following restrictions by default: " + restrictions); 6520 6521 saveUserRestrictionsLocked(userId); 6522 } 6523 6524 ident = mInjector.binderClearCallingIdentity(); 6525 try { 6526 // TODO Send to system too? 6527 mContext.sendBroadcastAsUser( 6528 new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED) 6529 .addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND), 6530 UserHandle.of(userId)); 6531 } finally { 6532 mInjector.binderRestoreCallingIdentity(ident); 6533 } 6534 mDeviceAdminServiceController.startServiceForOwner( 6535 admin.getPackageName(), userId, "set-device-owner"); 6536 6537 Slog.i(LOG_TAG, "Device owner set: " + admin + " on user " + userId); 6538 return true; 6539 } 6540 } 6541 6542 @Override 6543 public boolean hasDeviceOwner() { 6544 enforceDeviceOwnerOrManageUsers(); 6545 return mOwners.hasDeviceOwner(); 6546 } 6547 6548 boolean isDeviceOwner(ActiveAdmin admin) { 6549 return isDeviceOwner(admin.info.getComponent(), admin.getUserHandle().getIdentifier()); 6550 } 6551 6552 public boolean isDeviceOwner(ComponentName who, int userId) { 6553 synchronized (this) { 6554 return mOwners.hasDeviceOwner() 6555 && mOwners.getDeviceOwnerUserId() == userId 6556 && mOwners.getDeviceOwnerComponent().equals(who); 6557 } 6558 } 6559 6560 private boolean isDeviceOwnerPackage(String packageName, int userId) { 6561 synchronized (this) { 6562 return mOwners.hasDeviceOwner() 6563 && mOwners.getDeviceOwnerUserId() == userId 6564 && mOwners.getDeviceOwnerPackageName().equals(packageName); 6565 } 6566 } 6567 6568 private boolean isProfileOwnerPackage(String packageName, int userId) { 6569 synchronized (this) { 6570 return mOwners.hasProfileOwner(userId) 6571 && mOwners.getProfileOwnerPackage(userId).equals(packageName); 6572 } 6573 } 6574 6575 public boolean isProfileOwner(ComponentName who, int userId) { 6576 final ComponentName profileOwner = getProfileOwner(userId); 6577 return who != null && who.equals(profileOwner); 6578 } 6579 6580 @Override 6581 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 6582 if (!mHasFeature) { 6583 return null; 6584 } 6585 if (!callingUserOnly) { 6586 enforceManageUsers(); 6587 } 6588 synchronized (this) { 6589 if (!mOwners.hasDeviceOwner()) { 6590 return null; 6591 } 6592 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 6593 mOwners.getDeviceOwnerUserId()) { 6594 return null; 6595 } 6596 return mOwners.getDeviceOwnerComponent(); 6597 } 6598 } 6599 6600 @Override 6601 public int getDeviceOwnerUserId() { 6602 if (!mHasFeature) { 6603 return UserHandle.USER_NULL; 6604 } 6605 enforceManageUsers(); 6606 synchronized (this) { 6607 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 6608 } 6609 } 6610 6611 /** 6612 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 6613 * MANAGE_USERS. 6614 */ 6615 @Override 6616 public String getDeviceOwnerName() { 6617 if (!mHasFeature) { 6618 return null; 6619 } 6620 enforceManageUsers(); 6621 synchronized (this) { 6622 if (!mOwners.hasDeviceOwner()) { 6623 return null; 6624 } 6625 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 6626 // Should setDeviceOwner/ProfileOwner still take a name? 6627 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 6628 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 6629 } 6630 } 6631 6632 /** Returns the active device owner or {@code null} if there is no device owner. */ 6633 @VisibleForTesting 6634 ActiveAdmin getDeviceOwnerAdminLocked() { 6635 ComponentName component = mOwners.getDeviceOwnerComponent(); 6636 if (component == null) { 6637 return null; 6638 } 6639 6640 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 6641 final int n = policy.mAdminList.size(); 6642 for (int i = 0; i < n; i++) { 6643 ActiveAdmin admin = policy.mAdminList.get(i); 6644 if (component.equals(admin.info.getComponent())) { 6645 return admin; 6646 } 6647 } 6648 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 6649 return null; 6650 } 6651 6652 @Override 6653 public void clearDeviceOwner(String packageName) { 6654 Preconditions.checkNotNull(packageName, "packageName is null"); 6655 final int callingUid = mInjector.binderGetCallingUid(); 6656 try { 6657 int uid = mInjector.getPackageManager().getPackageUidAsUser(packageName, 6658 UserHandle.getUserId(callingUid)); 6659 if (uid != callingUid) { 6660 throw new SecurityException("Invalid packageName"); 6661 } 6662 } catch (NameNotFoundException e) { 6663 throw new SecurityException(e); 6664 } 6665 synchronized (this) { 6666 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 6667 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 6668 if (!mOwners.hasDeviceOwner() 6669 || !deviceOwnerComponent.getPackageName().equals(packageName) 6670 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 6671 throw new SecurityException( 6672 "clearDeviceOwner can only be called by the device owner"); 6673 } 6674 enforceUserUnlocked(deviceOwnerUserId); 6675 6676 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 6677 long ident = mInjector.binderClearCallingIdentity(); 6678 try { 6679 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 6680 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 6681 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 6682 intent.addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND); 6683 mContext.sendBroadcastAsUser(intent, UserHandle.of(deviceOwnerUserId)); 6684 } finally { 6685 mInjector.binderRestoreCallingIdentity(ident); 6686 } 6687 Slog.i(LOG_TAG, "Device owner removed: " + deviceOwnerComponent); 6688 } 6689 } 6690 6691 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 6692 mDeviceAdminServiceController.stopServiceForOwner(userId, "clear-device-owner"); 6693 6694 if (admin != null) { 6695 admin.disableCamera = false; 6696 admin.userRestrictions = null; 6697 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6698 admin.forceEphemeralUsers = false; 6699 admin.isNetworkLoggingEnabled = false; 6700 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 6701 } 6702 final DevicePolicyData policyData = getUserData(userId); 6703 policyData.mCurrentInputMethodSet = false; 6704 saveSettingsLocked(userId); 6705 final DevicePolicyData systemPolicyData = getUserData(UserHandle.USER_SYSTEM); 6706 systemPolicyData.mLastSecurityLogRetrievalTime = -1; 6707 systemPolicyData.mLastBugReportRequestTime = -1; 6708 systemPolicyData.mLastNetworkLogsRetrievalTime = -1; 6709 saveSettingsLocked(UserHandle.USER_SYSTEM); 6710 clearUserPoliciesLocked(userId); 6711 6712 mOwners.clearDeviceOwner(); 6713 mOwners.writeDeviceOwner(); 6714 updateDeviceOwnerLocked(); 6715 6716 clearDeviceOwnerUserRestrictionLocked(UserHandle.of(userId)); 6717 mInjector.securityLogSetLoggingEnabledProperty(false); 6718 mSecurityLogMonitor.stop(); 6719 setNetworkLoggingActiveInternal(false); 6720 6721 try { 6722 if (mInjector.getIBackupManager() != null) { 6723 // Reactivate backup service. 6724 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 6725 } 6726 } catch (RemoteException e) { 6727 throw new IllegalStateException("Failed reactivating backup service.", e); 6728 } 6729 } 6730 6731 @Override 6732 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 6733 if (!mHasFeature) { 6734 return false; 6735 } 6736 if (who == null 6737 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 6738 throw new IllegalArgumentException("Component " + who 6739 + " not installed for userId:" + userHandle); 6740 } 6741 final boolean hasIncompatibleAccountsOrNonAdb = 6742 hasIncompatibleAccountsOrNonAdbNoLock(userHandle, who); 6743 synchronized (this) { 6744 enforceCanSetProfileOwnerLocked(who, userHandle, hasIncompatibleAccountsOrNonAdb); 6745 6746 final ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6747 if (admin == null || getUserData(userHandle).mRemovingAdmins.contains(who)) { 6748 throw new IllegalArgumentException("Not active admin: " + who); 6749 } 6750 6751 if (isAdb()) { 6752 // Log profile owner provisioning was started using adb. 6753 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_PROFILE_OWNER); 6754 } 6755 6756 mOwners.setProfileOwner(who, ownerName, userHandle); 6757 mOwners.writeProfileOwner(userHandle); 6758 Slog.i(LOG_TAG, "Profile owner set: " + who + " on user " + userHandle); 6759 6760 final long id = mInjector.binderClearCallingIdentity(); 6761 try { 6762 if (mUserManager.isManagedProfile(userHandle)) { 6763 maybeSetDefaultRestrictionsForAdminLocked(userHandle, admin, 6764 UserRestrictionsUtils.getDefaultEnabledForManagedProfiles()); 6765 ensureUnknownSourcesRestrictionForProfileOwnerLocked(userHandle, admin, 6766 true /* newOwner */); 6767 } 6768 } finally { 6769 mInjector.binderRestoreCallingIdentity(id); 6770 } 6771 mDeviceAdminServiceController.startServiceForOwner( 6772 who.getPackageName(), userHandle, "set-profile-owner"); 6773 return true; 6774 } 6775 } 6776 6777 @Override 6778 public void clearProfileOwner(ComponentName who) { 6779 if (!mHasFeature) { 6780 return; 6781 } 6782 Preconditions.checkNotNull(who, "ComponentName is null"); 6783 6784 final int userId = mInjector.userHandleGetCallingUserId(); 6785 enforceNotManagedProfile(userId, "clear profile owner"); 6786 enforceUserUnlocked(userId); 6787 synchronized (this) { 6788 // Check if this is the profile owner who is calling 6789 final ActiveAdmin admin = 6790 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6791 6792 final long ident = mInjector.binderClearCallingIdentity(); 6793 try { 6794 clearProfileOwnerLocked(admin, userId); 6795 removeActiveAdminLocked(who, userId); 6796 } finally { 6797 mInjector.binderRestoreCallingIdentity(ident); 6798 } 6799 Slog.i(LOG_TAG, "Profile owner " + who + " removed from user " + userId); 6800 } 6801 } 6802 6803 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 6804 mDeviceAdminServiceController.stopServiceForOwner(userId, "clear-profile-owner"); 6805 6806 if (admin != null) { 6807 admin.disableCamera = false; 6808 admin.userRestrictions = null; 6809 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6810 } 6811 final DevicePolicyData policyData = getUserData(userId); 6812 policyData.mCurrentInputMethodSet = false; 6813 policyData.mOwnerInstalledCaCerts.clear(); 6814 saveSettingsLocked(userId); 6815 clearUserPoliciesLocked(userId); 6816 mOwners.removeProfileOwner(userId); 6817 mOwners.writeProfileOwner(userId); 6818 } 6819 6820 @Override 6821 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 6822 Preconditions.checkNotNull(who, "ComponentName is null"); 6823 if (!mHasFeature) { 6824 return; 6825 } 6826 6827 synchronized (this) { 6828 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6829 long token = mInjector.binderClearCallingIdentity(); 6830 try { 6831 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 6832 } finally { 6833 mInjector.binderRestoreCallingIdentity(token); 6834 } 6835 } 6836 } 6837 6838 @Override 6839 public CharSequence getDeviceOwnerLockScreenInfo() { 6840 return mLockPatternUtils.getDeviceOwnerInfo(); 6841 } 6842 6843 private void clearUserPoliciesLocked(int userId) { 6844 // Reset some of the user-specific policies. 6845 final DevicePolicyData policy = getUserData(userId); 6846 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 6847 // Clear delegations. 6848 policy.mDelegationMap.clear(); 6849 policy.mStatusBarDisabled = false; 6850 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 6851 policy.mAffiliationIds.clear(); 6852 policy.mLockTaskPackages.clear(); 6853 saveSettingsLocked(userId); 6854 6855 try { 6856 mIPackageManager.updatePermissionFlagsForAllApps( 6857 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6858 0 /* flagValues */, userId); 6859 pushUserRestrictions(userId); 6860 } catch (RemoteException re) { 6861 // Shouldn't happen. 6862 } 6863 } 6864 6865 @Override 6866 public boolean hasUserSetupCompleted() { 6867 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 6868 } 6869 6870 // This checks only if the Setup Wizard has run. Since Wear devices pair before 6871 // completing Setup Wizard, and pairing involves transferring user data, calling 6872 // logic may want to check mIsWatch or mPaired in addition to hasUserSetupCompleted(). 6873 private boolean hasUserSetupCompleted(int userHandle) { 6874 if (!mHasFeature) { 6875 return true; 6876 } 6877 return getUserData(userHandle).mUserSetupComplete; 6878 } 6879 6880 private boolean hasPaired(int userHandle) { 6881 if (!mHasFeature) { 6882 return true; 6883 } 6884 return getUserData(userHandle).mPaired; 6885 } 6886 6887 @Override 6888 public int getUserProvisioningState() { 6889 if (!mHasFeature) { 6890 return DevicePolicyManager.STATE_USER_UNMANAGED; 6891 } 6892 int userHandle = mInjector.userHandleGetCallingUserId(); 6893 return getUserProvisioningState(userHandle); 6894 } 6895 6896 private int getUserProvisioningState(int userHandle) { 6897 return getUserData(userHandle).mUserProvisioningState; 6898 } 6899 6900 @Override 6901 public void setUserProvisioningState(int newState, int userHandle) { 6902 if (!mHasFeature) { 6903 return; 6904 } 6905 6906 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 6907 && getManagedUserId(userHandle) == -1) { 6908 // No managed device, user or profile, so setting provisioning state makes no sense. 6909 throw new IllegalStateException("Not allowed to change provisioning state unless a " 6910 + "device or profile owner is set."); 6911 } 6912 6913 synchronized (this) { 6914 boolean transitionCheckNeeded = true; 6915 6916 // Calling identity/permission checks. 6917 if (isAdb()) { 6918 // ADB shell can only move directly from un-managed to finalized as part of directly 6919 // setting profile-owner or device-owner. 6920 if (getUserProvisioningState(userHandle) != 6921 DevicePolicyManager.STATE_USER_UNMANAGED 6922 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6923 throw new IllegalStateException("Not allowed to change provisioning state " 6924 + "unless current provisioning state is unmanaged, and new state is " 6925 + "finalized."); 6926 } 6927 transitionCheckNeeded = false; 6928 } else { 6929 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 6930 enforceCanManageProfileAndDeviceOwners(); 6931 } 6932 6933 final DevicePolicyData policyData = getUserData(userHandle); 6934 if (transitionCheckNeeded) { 6935 // Optional state transition check for non-ADB case. 6936 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 6937 } 6938 policyData.mUserProvisioningState = newState; 6939 saveSettingsLocked(userHandle); 6940 } 6941 } 6942 6943 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6944 // Valid transitions for normal use-cases. 6945 switch (currentState) { 6946 case DevicePolicyManager.STATE_USER_UNMANAGED: 6947 // Can move to any state from unmanaged (except itself as an edge case).. 6948 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 6949 return; 6950 } 6951 break; 6952 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 6953 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 6954 // Can only move to finalized from these states. 6955 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6956 return; 6957 } 6958 break; 6959 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 6960 // Current user has a managed-profile, but current user is not managed, so 6961 // rather than moving to finalized state, go back to unmanaged once 6962 // profile provisioning is complete. 6963 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 6964 return; 6965 } 6966 break; 6967 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 6968 // Cannot transition out of finalized. 6969 break; 6970 } 6971 6972 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 6973 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 6974 + "from state [" + currentState + "]"); 6975 } 6976 6977 @Override 6978 public void setProfileEnabled(ComponentName who) { 6979 if (!mHasFeature) { 6980 return; 6981 } 6982 Preconditions.checkNotNull(who, "ComponentName is null"); 6983 synchronized (this) { 6984 // Check if this is the profile owner who is calling 6985 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6986 final int userId = UserHandle.getCallingUserId(); 6987 enforceManagedProfile(userId, "enable the profile"); 6988 // Check if the profile is already enabled. 6989 UserInfo managedProfile = getUserInfo(userId); 6990 if (managedProfile.isEnabled()) { 6991 Slog.e(LOG_TAG, 6992 "setProfileEnabled is called when the profile is already enabled"); 6993 return; 6994 } 6995 long id = mInjector.binderClearCallingIdentity(); 6996 try { 6997 mUserManager.setUserEnabled(userId); 6998 UserInfo parent = mUserManager.getProfileParent(userId); 6999 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 7000 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 7001 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 7002 Intent.FLAG_RECEIVER_FOREGROUND); 7003 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 7004 } finally { 7005 mInjector.binderRestoreCallingIdentity(id); 7006 } 7007 } 7008 } 7009 7010 @Override 7011 public void setProfileName(ComponentName who, String profileName) { 7012 Preconditions.checkNotNull(who, "ComponentName is null"); 7013 int userId = UserHandle.getCallingUserId(); 7014 // Check if this is the profile owner (includes device owner). 7015 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7016 7017 long id = mInjector.binderClearCallingIdentity(); 7018 try { 7019 mUserManager.setUserName(userId, profileName); 7020 } finally { 7021 mInjector.binderRestoreCallingIdentity(id); 7022 } 7023 } 7024 7025 @Override 7026 public ComponentName getProfileOwner(int userHandle) { 7027 if (!mHasFeature) { 7028 return null; 7029 } 7030 7031 synchronized (this) { 7032 return mOwners.getProfileOwnerComponent(userHandle); 7033 } 7034 } 7035 7036 // Returns the active profile owner for this user or null if the current user has no 7037 // profile owner. 7038 @VisibleForTesting 7039 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 7040 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 7041 if (profileOwner == null) { 7042 return null; 7043 } 7044 DevicePolicyData policy = getUserData(userHandle); 7045 final int n = policy.mAdminList.size(); 7046 for (int i = 0; i < n; i++) { 7047 ActiveAdmin admin = policy.mAdminList.get(i); 7048 if (profileOwner.equals(admin.info.getComponent())) { 7049 return admin; 7050 } 7051 } 7052 return null; 7053 } 7054 7055 @Override 7056 public String getProfileOwnerName(int userHandle) { 7057 if (!mHasFeature) { 7058 return null; 7059 } 7060 enforceManageUsers(); 7061 ComponentName profileOwner = getProfileOwner(userHandle); 7062 if (profileOwner == null) { 7063 return null; 7064 } 7065 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 7066 } 7067 7068 /** 7069 * Canonical name for a given package. 7070 */ 7071 private String getApplicationLabel(String packageName, int userHandle) { 7072 long token = mInjector.binderClearCallingIdentity(); 7073 try { 7074 final Context userContext; 7075 try { 7076 UserHandle handle = new UserHandle(userHandle); 7077 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 7078 } catch (PackageManager.NameNotFoundException nnfe) { 7079 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 7080 return null; 7081 } 7082 ApplicationInfo appInfo = userContext.getApplicationInfo(); 7083 CharSequence result = null; 7084 if (appInfo != null) { 7085 PackageManager pm = userContext.getPackageManager(); 7086 result = pm.getApplicationLabel(appInfo); 7087 } 7088 return result != null ? result.toString() : null; 7089 } finally { 7090 mInjector.binderRestoreCallingIdentity(token); 7091 } 7092 } 7093 7094 /** 7095 * Calls wtfStack() if called with the DPMS lock held. 7096 */ 7097 private void wtfIfInLock() { 7098 if (Thread.holdsLock(this)) { 7099 Slog.wtfStack(LOG_TAG, "Shouldn't be called with DPMS lock held"); 7100 } 7101 } 7102 7103 /** 7104 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 7105 * permission. 7106 * The profile owner can only be set before the user setup phase has completed, 7107 * except for: 7108 * - SYSTEM_UID 7109 * - adb unless hasIncompatibleAccountsOrNonAdb is true. 7110 */ 7111 private void enforceCanSetProfileOwnerLocked(@Nullable ComponentName owner, int userHandle, 7112 boolean hasIncompatibleAccountsOrNonAdb) { 7113 UserInfo info = getUserInfo(userHandle); 7114 if (info == null) { 7115 // User doesn't exist. 7116 throw new IllegalArgumentException( 7117 "Attempted to set profile owner for invalid userId: " + userHandle); 7118 } 7119 if (info.isGuest()) { 7120 throw new IllegalStateException("Cannot set a profile owner on a guest"); 7121 } 7122 if (mOwners.hasProfileOwner(userHandle)) { 7123 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 7124 + "is already set."); 7125 } 7126 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 7127 throw new IllegalStateException("Trying to set the profile owner, but the user " 7128 + "already has a device owner."); 7129 } 7130 if (isAdb()) { 7131 if ((mIsWatch || hasUserSetupCompleted(userHandle)) 7132 && hasIncompatibleAccountsOrNonAdb) { 7133 throw new IllegalStateException("Not allowed to set the profile owner because " 7134 + "there are already some accounts on the profile"); 7135 } 7136 return; 7137 } 7138 enforceCanManageProfileAndDeviceOwners(); 7139 if ((mIsWatch || hasUserSetupCompleted(userHandle)) && !isCallerWithSystemUid()) { 7140 throw new IllegalStateException("Cannot set the profile owner on a user which is " 7141 + "already set-up"); 7142 } 7143 } 7144 7145 /** 7146 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 7147 * permission. 7148 */ 7149 private void enforceCanSetDeviceOwnerLocked(@Nullable ComponentName owner, int userId, 7150 boolean hasIncompatibleAccountsOrNonAdb) { 7151 if (!isAdb()) { 7152 enforceCanManageProfileAndDeviceOwners(); 7153 } 7154 7155 final int code = checkDeviceOwnerProvisioningPreConditionLocked( 7156 owner, userId, isAdb(), hasIncompatibleAccountsOrNonAdb); 7157 switch (code) { 7158 case CODE_OK: 7159 return; 7160 case CODE_HAS_DEVICE_OWNER: 7161 throw new IllegalStateException( 7162 "Trying to set the device owner, but device owner is already set."); 7163 case CODE_USER_HAS_PROFILE_OWNER: 7164 throw new IllegalStateException("Trying to set the device owner, but the user " 7165 + "already has a profile owner."); 7166 case CODE_USER_NOT_RUNNING: 7167 throw new IllegalStateException("User not running: " + userId); 7168 case CODE_NOT_SYSTEM_USER: 7169 throw new IllegalStateException("User is not system user"); 7170 case CODE_USER_SETUP_COMPLETED: 7171 throw new IllegalStateException( 7172 "Cannot set the device owner if the device is already set-up"); 7173 case CODE_NONSYSTEM_USER_EXISTS: 7174 throw new IllegalStateException("Not allowed to set the device owner because there " 7175 + "are already several users on the device"); 7176 case CODE_ACCOUNTS_NOT_EMPTY: 7177 throw new IllegalStateException("Not allowed to set the device owner because there " 7178 + "are already some accounts on the device"); 7179 case CODE_HAS_PAIRED: 7180 throw new IllegalStateException("Not allowed to set the device owner because this " 7181 + "device has already paired"); 7182 default: 7183 throw new IllegalStateException("Unexpected @ProvisioningPreCondition " + code); 7184 } 7185 } 7186 7187 private void enforceUserUnlocked(int userId) { 7188 // Since we're doing this operation on behalf of an app, we only 7189 // want to use the actual "unlocked" state. 7190 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 7191 "User must be running and unlocked"); 7192 } 7193 7194 private void enforceUserUnlocked(@UserIdInt int userId, boolean parent) { 7195 if (parent) { 7196 enforceUserUnlocked(getProfileParentId(userId)); 7197 } else { 7198 enforceUserUnlocked(userId); 7199 } 7200 } 7201 7202 private void enforceManageUsers() { 7203 final int callingUid = mInjector.binderGetCallingUid(); 7204 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 7205 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7206 } 7207 } 7208 7209 private void enforceFullCrossUsersPermission(int userHandle) { 7210 enforceSystemUserOrPermissionIfCrossUser(userHandle, 7211 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 7212 } 7213 7214 private void enforceCrossUsersPermission(int userHandle) { 7215 enforceSystemUserOrPermissionIfCrossUser(userHandle, 7216 android.Manifest.permission.INTERACT_ACROSS_USERS); 7217 } 7218 7219 private void enforceSystemUserOrPermission(String permission) { 7220 if (!(isCallerWithSystemUid() || mInjector.binderGetCallingUid() == Process.ROOT_UID)) { 7221 mContext.enforceCallingOrSelfPermission(permission, 7222 "Must be system or have " + permission + " permission"); 7223 } 7224 } 7225 7226 private void enforceSystemUserOrPermissionIfCrossUser(int userHandle, String permission) { 7227 if (userHandle < 0) { 7228 throw new IllegalArgumentException("Invalid userId " + userHandle); 7229 } 7230 if (userHandle == mInjector.userHandleGetCallingUserId()) { 7231 return; 7232 } 7233 enforceSystemUserOrPermission(permission); 7234 } 7235 7236 private void enforceManagedProfile(int userHandle, String message) { 7237 if(!isManagedProfile(userHandle)) { 7238 throw new SecurityException("You can not " + message + " outside a managed profile."); 7239 } 7240 } 7241 7242 private void enforceNotManagedProfile(int userHandle, String message) { 7243 if(isManagedProfile(userHandle)) { 7244 throw new SecurityException("You can not " + message + " for a managed profile."); 7245 } 7246 } 7247 7248 private void enforceDeviceOwnerOrManageUsers() { 7249 synchronized (this) { 7250 if (getActiveAdminWithPolicyForUidLocked(null, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 7251 mInjector.binderGetCallingUid()) != null) { 7252 return; 7253 } 7254 } 7255 enforceManageUsers(); 7256 } 7257 7258 private void enforceProfileOwnerOrSystemUser() { 7259 synchronized (this) { 7260 if (getActiveAdminWithPolicyForUidLocked(null, 7261 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()) 7262 != null) { 7263 return; 7264 } 7265 } 7266 Preconditions.checkState(isCallerWithSystemUid(), 7267 "Only profile owner, device owner and system may call this method."); 7268 } 7269 7270 private void enforceProfileOwnerOrFullCrossUsersPermission(int userId) { 7271 if (userId == mInjector.userHandleGetCallingUserId()) { 7272 synchronized (this) { 7273 if (getActiveAdminWithPolicyForUidLocked(null, 7274 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()) 7275 != null) { 7276 // Device Owner/Profile Owner may access the user it runs on. 7277 return; 7278 } 7279 } 7280 } 7281 // Otherwise, INTERACT_ACROSS_USERS_FULL permission, system UID or root UID is required. 7282 enforceSystemUserOrPermission(android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 7283 } 7284 7285 private void ensureCallerPackage(@Nullable String packageName) { 7286 if (packageName == null) { 7287 Preconditions.checkState(isCallerWithSystemUid(), 7288 "Only caller can omit package name"); 7289 } else { 7290 final int callingUid = mInjector.binderGetCallingUid(); 7291 final int userId = mInjector.userHandleGetCallingUserId(); 7292 try { 7293 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 7294 packageName, 0, userId); 7295 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 7296 } catch (RemoteException e) { 7297 // Shouldn't happen 7298 } 7299 } 7300 } 7301 7302 private boolean isCallerWithSystemUid() { 7303 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 7304 } 7305 7306 protected int getProfileParentId(int userHandle) { 7307 final long ident = mInjector.binderClearCallingIdentity(); 7308 try { 7309 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 7310 return parentUser != null ? parentUser.id : userHandle; 7311 } finally { 7312 mInjector.binderRestoreCallingIdentity(ident); 7313 } 7314 } 7315 7316 private int getCredentialOwner(int userHandle, boolean parent) { 7317 final long ident = mInjector.binderClearCallingIdentity(); 7318 try { 7319 if (parent) { 7320 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 7321 if (parentProfile != null) { 7322 userHandle = parentProfile.id; 7323 } 7324 } 7325 return mUserManager.getCredentialOwnerProfile(userHandle); 7326 } finally { 7327 mInjector.binderRestoreCallingIdentity(ident); 7328 } 7329 } 7330 7331 private boolean isManagedProfile(int userHandle) { 7332 final UserInfo user = getUserInfo(userHandle); 7333 return user != null && user.isManagedProfile(); 7334 } 7335 7336 private void enableIfNecessary(String packageName, int userId) { 7337 try { 7338 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 7339 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 7340 userId); 7341 if (ai.enabledSetting 7342 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 7343 mIPackageManager.setApplicationEnabledSetting(packageName, 7344 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 7345 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 7346 } 7347 } catch (RemoteException e) { 7348 } 7349 } 7350 7351 @Override 7352 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 7353 if (!DumpUtils.checkDumpPermission(mContext, LOG_TAG, pw)) return; 7354 7355 synchronized (this) { 7356 pw.println("Current Device Policy Manager state:"); 7357 mOwners.dump(" ", pw); 7358 mDeviceAdminServiceController.dump(" ", pw); 7359 int userCount = mUserData.size(); 7360 for (int u = 0; u < userCount; u++) { 7361 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 7362 pw.println(); 7363 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 7364 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 7365 final int N = policy.mAdminList.size(); 7366 for (int i=0; i<N; i++) { 7367 ActiveAdmin ap = policy.mAdminList.get(i); 7368 if (ap != null) { 7369 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 7370 pw.println(":"); 7371 ap.dump(" ", pw); 7372 } 7373 } 7374 if (!policy.mRemovingAdmins.isEmpty()) { 7375 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 7376 + policy.mRemovingAdmins); 7377 } 7378 7379 pw.println(" "); 7380 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 7381 } 7382 pw.println(); 7383 pw.println("Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 7384 } 7385 } 7386 7387 private String getEncryptionStatusName(int encryptionStatus) { 7388 switch (encryptionStatus) { 7389 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 7390 return "inactive"; 7391 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 7392 return "block default key"; 7393 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 7394 return "block"; 7395 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 7396 return "per-user"; 7397 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 7398 return "unsupported"; 7399 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 7400 return "activating"; 7401 default: 7402 return "unknown"; 7403 } 7404 } 7405 7406 @Override 7407 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 7408 ComponentName activity) { 7409 Preconditions.checkNotNull(who, "ComponentName is null"); 7410 final int userHandle = UserHandle.getCallingUserId(); 7411 synchronized (this) { 7412 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7413 7414 long id = mInjector.binderClearCallingIdentity(); 7415 try { 7416 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 7417 mIPackageManager.flushPackageRestrictionsAsUser(userHandle); 7418 } catch (RemoteException re) { 7419 // Shouldn't happen 7420 } finally { 7421 mInjector.binderRestoreCallingIdentity(id); 7422 } 7423 } 7424 } 7425 7426 @Override 7427 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 7428 Preconditions.checkNotNull(who, "ComponentName is null"); 7429 final int userHandle = UserHandle.getCallingUserId(); 7430 synchronized (this) { 7431 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7432 7433 long id = mInjector.binderClearCallingIdentity(); 7434 try { 7435 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 7436 mIPackageManager.flushPackageRestrictionsAsUser(userHandle); 7437 } catch (RemoteException re) { 7438 // Shouldn't happen 7439 } finally { 7440 mInjector.binderRestoreCallingIdentity(id); 7441 } 7442 } 7443 } 7444 7445 @Override 7446 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 7447 String packageName) { 7448 try { 7449 setDelegatedScopePreO(admin, packageName, DELEGATION_APP_RESTRICTIONS); 7450 } catch (IllegalArgumentException e) { 7451 return false; 7452 } 7453 return true; 7454 } 7455 7456 @Override 7457 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 7458 final List<String> delegatePackages = getDelegatePackages(admin, 7459 DELEGATION_APP_RESTRICTIONS); 7460 return delegatePackages.size() > 0 ? delegatePackages.get(0) : null; 7461 } 7462 7463 @Override 7464 public boolean isCallerApplicationRestrictionsManagingPackage(String callerPackage) { 7465 return isCallerDelegate(callerPackage, DELEGATION_APP_RESTRICTIONS); 7466 } 7467 7468 @Override 7469 public void setApplicationRestrictions(ComponentName who, String callerPackage, 7470 String packageName, Bundle settings) { 7471 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 7472 DELEGATION_APP_RESTRICTIONS); 7473 7474 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7475 final long id = mInjector.binderClearCallingIdentity(); 7476 try { 7477 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 7478 } finally { 7479 mInjector.binderRestoreCallingIdentity(id); 7480 } 7481 } 7482 7483 @Override 7484 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 7485 PersistableBundle args, boolean parent) { 7486 if (!mHasFeature) { 7487 return; 7488 } 7489 Preconditions.checkNotNull(admin, "admin is null"); 7490 Preconditions.checkNotNull(agent, "agent is null"); 7491 final int userHandle = UserHandle.getCallingUserId(); 7492 synchronized (this) { 7493 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 7494 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 7495 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 7496 saveSettingsLocked(userHandle); 7497 } 7498 } 7499 7500 @Override 7501 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 7502 ComponentName agent, int userHandle, boolean parent) { 7503 if (!mHasFeature) { 7504 return null; 7505 } 7506 Preconditions.checkNotNull(agent, "agent null"); 7507 enforceFullCrossUsersPermission(userHandle); 7508 7509 synchronized (this) { 7510 final String componentName = agent.flattenToString(); 7511 if (admin != null) { 7512 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 7513 if (ap == null) return null; 7514 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 7515 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 7516 List<PersistableBundle> result = new ArrayList<>(); 7517 result.add(trustAgentInfo.options); 7518 return result; 7519 } 7520 7521 // Return strictest policy for this user and profiles that are visible from this user. 7522 List<PersistableBundle> result = null; 7523 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 7524 // of the options. If any admin doesn't have options, discard options for the rest 7525 // and return null. 7526 List<ActiveAdmin> admins = 7527 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 7528 boolean allAdminsHaveOptions = true; 7529 final int N = admins.size(); 7530 for (int i = 0; i < N; i++) { 7531 final ActiveAdmin active = admins.get(i); 7532 7533 final boolean disablesTrust = (active.disabledKeyguardFeatures 7534 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 7535 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 7536 if (info != null && info.options != null && !info.options.isEmpty()) { 7537 if (disablesTrust) { 7538 if (result == null) { 7539 result = new ArrayList<>(); 7540 } 7541 result.add(info.options); 7542 } else { 7543 Log.w(LOG_TAG, "Ignoring admin " + active.info 7544 + " because it has trust options but doesn't declare " 7545 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 7546 } 7547 } else if (disablesTrust) { 7548 allAdminsHaveOptions = false; 7549 break; 7550 } 7551 } 7552 return allAdminsHaveOptions ? result : null; 7553 } 7554 } 7555 7556 @Override 7557 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 7558 Preconditions.checkNotNull(who, "ComponentName is null"); 7559 synchronized (this) { 7560 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7561 7562 int userHandle = UserHandle.getCallingUserId(); 7563 DevicePolicyData userData = getUserData(userHandle); 7564 userData.mRestrictionsProvider = permissionProvider; 7565 saveSettingsLocked(userHandle); 7566 } 7567 } 7568 7569 @Override 7570 public ComponentName getRestrictionsProvider(int userHandle) { 7571 synchronized (this) { 7572 if (!isCallerWithSystemUid()) { 7573 throw new SecurityException("Only the system can query the permission provider"); 7574 } 7575 DevicePolicyData userData = getUserData(userHandle); 7576 return userData != null ? userData.mRestrictionsProvider : null; 7577 } 7578 } 7579 7580 @Override 7581 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 7582 Preconditions.checkNotNull(who, "ComponentName is null"); 7583 int callingUserId = UserHandle.getCallingUserId(); 7584 synchronized (this) { 7585 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7586 7587 long id = mInjector.binderClearCallingIdentity(); 7588 try { 7589 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7590 if (parent == null) { 7591 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 7592 + "parent"); 7593 return; 7594 } 7595 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 7596 mIPackageManager.addCrossProfileIntentFilter( 7597 filter, who.getPackageName(), callingUserId, parent.id, 0); 7598 } 7599 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 7600 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 7601 parent.id, callingUserId, 0); 7602 } 7603 } catch (RemoteException re) { 7604 // Shouldn't happen 7605 } finally { 7606 mInjector.binderRestoreCallingIdentity(id); 7607 } 7608 } 7609 } 7610 7611 @Override 7612 public void clearCrossProfileIntentFilters(ComponentName who) { 7613 Preconditions.checkNotNull(who, "ComponentName is null"); 7614 int callingUserId = UserHandle.getCallingUserId(); 7615 synchronized (this) { 7616 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7617 long id = mInjector.binderClearCallingIdentity(); 7618 try { 7619 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7620 if (parent == null) { 7621 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 7622 + "parent"); 7623 return; 7624 } 7625 // Removing those that go from the managed profile to the parent. 7626 mIPackageManager.clearCrossProfileIntentFilters( 7627 callingUserId, who.getPackageName()); 7628 // And those that go from the parent to the managed profile. 7629 // If we want to support multiple managed profiles, we will have to only remove 7630 // those that have callingUserId as their target. 7631 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 7632 } catch (RemoteException re) { 7633 // Shouldn't happen 7634 } finally { 7635 mInjector.binderRestoreCallingIdentity(id); 7636 } 7637 } 7638 } 7639 7640 /** 7641 * @return true if all packages in enabledPackages are either in the list 7642 * permittedList or are a system app. 7643 */ 7644 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 7645 List<String> permittedList, int userIdToCheck) { 7646 long id = mInjector.binderClearCallingIdentity(); 7647 try { 7648 // If we have an enabled packages list for a managed profile the packages 7649 // we should check are installed for the parent user. 7650 UserInfo user = getUserInfo(userIdToCheck); 7651 if (user.isManagedProfile()) { 7652 userIdToCheck = user.profileGroupId; 7653 } 7654 7655 for (String enabledPackage : enabledPackages) { 7656 boolean systemService = false; 7657 try { 7658 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 7659 enabledPackage, PackageManager.MATCH_UNINSTALLED_PACKAGES, 7660 userIdToCheck); 7661 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7662 } catch (RemoteException e) { 7663 Log.i(LOG_TAG, "Can't talk to package managed", e); 7664 } 7665 if (!systemService && !permittedList.contains(enabledPackage)) { 7666 return false; 7667 } 7668 } 7669 } finally { 7670 mInjector.binderRestoreCallingIdentity(id); 7671 } 7672 return true; 7673 } 7674 7675 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 7676 // Not using AccessibilityManager.getInstance because that guesses 7677 // at the user you require based on callingUid and caches for a given 7678 // process. 7679 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 7680 IAccessibilityManager service = iBinder == null 7681 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 7682 return new AccessibilityManager(mContext, service, userId); 7683 } 7684 7685 @Override 7686 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 7687 if (!mHasFeature) { 7688 return false; 7689 } 7690 Preconditions.checkNotNull(who, "ComponentName is null"); 7691 7692 if (packageList != null) { 7693 int userId = UserHandle.getCallingUserId(); 7694 List<AccessibilityServiceInfo> enabledServices = null; 7695 long id = mInjector.binderClearCallingIdentity(); 7696 try { 7697 UserInfo user = getUserInfo(userId); 7698 if (user.isManagedProfile()) { 7699 userId = user.profileGroupId; 7700 } 7701 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 7702 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 7703 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 7704 } finally { 7705 mInjector.binderRestoreCallingIdentity(id); 7706 } 7707 7708 if (enabledServices != null) { 7709 List<String> enabledPackages = new ArrayList<String>(); 7710 for (AccessibilityServiceInfo service : enabledServices) { 7711 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 7712 } 7713 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7714 userId)) { 7715 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 7716 + "because it contains already enabled accesibility services."); 7717 return false; 7718 } 7719 } 7720 } 7721 7722 synchronized (this) { 7723 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7724 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7725 admin.permittedAccessiblityServices = packageList; 7726 saveSettingsLocked(UserHandle.getCallingUserId()); 7727 } 7728 return true; 7729 } 7730 7731 @Override 7732 public List getPermittedAccessibilityServices(ComponentName who) { 7733 if (!mHasFeature) { 7734 return null; 7735 } 7736 Preconditions.checkNotNull(who, "ComponentName is null"); 7737 7738 synchronized (this) { 7739 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7740 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7741 return admin.permittedAccessiblityServices; 7742 } 7743 } 7744 7745 @Override 7746 public List getPermittedAccessibilityServicesForUser(int userId) { 7747 if (!mHasFeature) { 7748 return null; 7749 } 7750 synchronized (this) { 7751 List<String> result = null; 7752 // If we have multiple profiles we return the intersection of the 7753 // permitted lists. This can happen in cases where we have a device 7754 // and profile owner. 7755 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7756 for (int profileId : profileIds) { 7757 // Just loop though all admins, only device or profiles 7758 // owners can have permitted lists set. 7759 DevicePolicyData policy = getUserDataUnchecked(profileId); 7760 final int N = policy.mAdminList.size(); 7761 for (int j = 0; j < N; j++) { 7762 ActiveAdmin admin = policy.mAdminList.get(j); 7763 List<String> fromAdmin = admin.permittedAccessiblityServices; 7764 if (fromAdmin != null) { 7765 if (result == null) { 7766 result = new ArrayList<>(fromAdmin); 7767 } else { 7768 result.retainAll(fromAdmin); 7769 } 7770 } 7771 } 7772 } 7773 7774 // If we have a permitted list add all system accessibility services. 7775 if (result != null) { 7776 long id = mInjector.binderClearCallingIdentity(); 7777 try { 7778 UserInfo user = getUserInfo(userId); 7779 if (user.isManagedProfile()) { 7780 userId = user.profileGroupId; 7781 } 7782 AccessibilityManager accessibilityManager = 7783 getAccessibilityManagerForUser(userId); 7784 List<AccessibilityServiceInfo> installedServices = 7785 accessibilityManager.getInstalledAccessibilityServiceList(); 7786 7787 if (installedServices != null) { 7788 for (AccessibilityServiceInfo service : installedServices) { 7789 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 7790 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7791 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7792 result.add(serviceInfo.packageName); 7793 } 7794 } 7795 } 7796 } finally { 7797 mInjector.binderRestoreCallingIdentity(id); 7798 } 7799 } 7800 7801 return result; 7802 } 7803 } 7804 7805 @Override 7806 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 7807 int userHandle) { 7808 if (!mHasFeature) { 7809 return true; 7810 } 7811 Preconditions.checkNotNull(who, "ComponentName is null"); 7812 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7813 if (!isCallerWithSystemUid()){ 7814 throw new SecurityException( 7815 "Only the system can query if an accessibility service is disabled by admin"); 7816 } 7817 synchronized (this) { 7818 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7819 if (admin == null) { 7820 return false; 7821 } 7822 if (admin.permittedAccessiblityServices == null) { 7823 return true; 7824 } 7825 return checkPackagesInPermittedListOrSystem(Collections.singletonList(packageName), 7826 admin.permittedAccessiblityServices, userHandle); 7827 } 7828 } 7829 7830 private boolean checkCallerIsCurrentUserOrProfile() { 7831 final int callingUserId = UserHandle.getCallingUserId(); 7832 final long token = mInjector.binderClearCallingIdentity(); 7833 try { 7834 UserInfo currentUser; 7835 UserInfo callingUser = getUserInfo(callingUserId); 7836 try { 7837 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7838 } catch (RemoteException e) { 7839 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 7840 return false; 7841 } 7842 7843 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 7844 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 7845 + "of a user that isn't the foreground user."); 7846 return false; 7847 } 7848 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 7849 Slog.e(LOG_TAG, "Cannot set permitted input methods " 7850 + "of a user that isn't the foreground user."); 7851 return false; 7852 } 7853 } finally { 7854 mInjector.binderRestoreCallingIdentity(token); 7855 } 7856 return true; 7857 } 7858 7859 @Override 7860 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 7861 if (!mHasFeature) { 7862 return false; 7863 } 7864 Preconditions.checkNotNull(who, "ComponentName is null"); 7865 7866 // TODO When InputMethodManager supports per user calls remove 7867 // this restriction. 7868 if (!checkCallerIsCurrentUserOrProfile()) { 7869 return false; 7870 } 7871 7872 final int callingUserId = mInjector.userHandleGetCallingUserId(); 7873 if (packageList != null) { 7874 // InputMethodManager fetches input methods for current user. 7875 // So this can only be set when calling user is the current user 7876 // or parent is current user in case of managed profiles. 7877 InputMethodManager inputMethodManager = 7878 mContext.getSystemService(InputMethodManager.class); 7879 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 7880 7881 if (enabledImes != null) { 7882 List<String> enabledPackages = new ArrayList<String>(); 7883 for (InputMethodInfo ime : enabledImes) { 7884 enabledPackages.add(ime.getPackageName()); 7885 } 7886 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7887 callingUserId)) { 7888 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 7889 + "because it contains already enabled input method."); 7890 return false; 7891 } 7892 } 7893 } 7894 7895 synchronized (this) { 7896 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7897 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7898 admin.permittedInputMethods = packageList; 7899 saveSettingsLocked(callingUserId); 7900 } 7901 return true; 7902 } 7903 7904 @Override 7905 public List getPermittedInputMethods(ComponentName who) { 7906 if (!mHasFeature) { 7907 return null; 7908 } 7909 Preconditions.checkNotNull(who, "ComponentName is null"); 7910 7911 synchronized (this) { 7912 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7913 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7914 return admin.permittedInputMethods; 7915 } 7916 } 7917 7918 @Override 7919 public List getPermittedInputMethodsForCurrentUser() { 7920 UserInfo currentUser; 7921 try { 7922 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7923 } catch (RemoteException e) { 7924 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 7925 // Activity managed is dead, just allow all IMEs 7926 return null; 7927 } 7928 7929 int userId = currentUser.id; 7930 synchronized (this) { 7931 List<String> result = null; 7932 // If we have multiple profiles we return the intersection of the 7933 // permitted lists. This can happen in cases where we have a device 7934 // and profile owner. 7935 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7936 for (int profileId : profileIds) { 7937 // Just loop though all admins, only device or profiles 7938 // owners can have permitted lists set. 7939 DevicePolicyData policy = getUserDataUnchecked(profileId); 7940 final int N = policy.mAdminList.size(); 7941 for (int j = 0; j < N; j++) { 7942 ActiveAdmin admin = policy.mAdminList.get(j); 7943 List<String> fromAdmin = admin.permittedInputMethods; 7944 if (fromAdmin != null) { 7945 if (result == null) { 7946 result = new ArrayList<String>(fromAdmin); 7947 } else { 7948 result.retainAll(fromAdmin); 7949 } 7950 } 7951 } 7952 } 7953 7954 // If we have a permitted list add all system input methods. 7955 if (result != null) { 7956 InputMethodManager inputMethodManager = 7957 mContext.getSystemService(InputMethodManager.class); 7958 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 7959 long id = mInjector.binderClearCallingIdentity(); 7960 try { 7961 if (imes != null) { 7962 for (InputMethodInfo ime : imes) { 7963 ServiceInfo serviceInfo = ime.getServiceInfo(); 7964 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7965 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7966 result.add(serviceInfo.packageName); 7967 } 7968 } 7969 } 7970 } finally { 7971 mInjector.binderRestoreCallingIdentity(id); 7972 } 7973 } 7974 return result; 7975 } 7976 } 7977 7978 @Override 7979 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 7980 int userHandle) { 7981 if (!mHasFeature) { 7982 return true; 7983 } 7984 Preconditions.checkNotNull(who, "ComponentName is null"); 7985 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7986 if (!isCallerWithSystemUid()) { 7987 throw new SecurityException( 7988 "Only the system can query if an input method is disabled by admin"); 7989 } 7990 synchronized (this) { 7991 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7992 if (admin == null) { 7993 return false; 7994 } 7995 if (admin.permittedInputMethods == null) { 7996 return true; 7997 } 7998 return checkPackagesInPermittedListOrSystem(Collections.singletonList(packageName), 7999 admin.permittedInputMethods, userHandle); 8000 } 8001 } 8002 8003 @Override 8004 public boolean setPermittedCrossProfileNotificationListeners( 8005 ComponentName who, List<String> packageList) { 8006 if (!mHasFeature) { 8007 return false; 8008 } 8009 Preconditions.checkNotNull(who, "ComponentName is null"); 8010 8011 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8012 if (!isManagedProfile(callingUserId)) { 8013 return false; 8014 } 8015 8016 synchronized (this) { 8017 ActiveAdmin admin = getActiveAdminForCallerLocked( 8018 who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8019 admin.permittedNotificationListeners = packageList; 8020 saveSettingsLocked(callingUserId); 8021 } 8022 return true; 8023 } 8024 8025 @Override 8026 public List<String> getPermittedCrossProfileNotificationListeners(ComponentName who) { 8027 if (!mHasFeature) { 8028 return null; 8029 } 8030 Preconditions.checkNotNull(who, "ComponentName is null"); 8031 8032 synchronized (this) { 8033 ActiveAdmin admin = getActiveAdminForCallerLocked( 8034 who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8035 return admin.permittedNotificationListeners; 8036 } 8037 } 8038 8039 @Override 8040 public boolean isNotificationListenerServicePermitted(String packageName, int userId) { 8041 if (!mHasFeature) { 8042 return true; 8043 } 8044 8045 Preconditions.checkStringNotEmpty(packageName, "packageName is null or empty"); 8046 if (!isCallerWithSystemUid()) { 8047 throw new SecurityException( 8048 "Only the system can query if a notification listener service is permitted"); 8049 } 8050 synchronized (this) { 8051 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 8052 if (profileOwner == null || profileOwner.permittedNotificationListeners == null) { 8053 return true; 8054 } 8055 return checkPackagesInPermittedListOrSystem(Collections.singletonList(packageName), 8056 profileOwner.permittedNotificationListeners, userId); 8057 8058 } 8059 } 8060 8061 8062 private void sendAdminEnabledBroadcastLocked(int userHandle) { 8063 DevicePolicyData policyData = getUserData(userHandle); 8064 if (policyData.mAdminBroadcastPending) { 8065 // Send the initialization data to profile owner and delete the data 8066 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 8067 if (admin != null) { 8068 PersistableBundle initBundle = policyData.mInitBundle; 8069 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 8070 initBundle == null ? null : new Bundle(initBundle), null); 8071 } 8072 policyData.mInitBundle = null; 8073 policyData.mAdminBroadcastPending = false; 8074 saveSettingsLocked(userHandle); 8075 } 8076 } 8077 8078 @Override 8079 public UserHandle createAndManageUser(ComponentName admin, String name, 8080 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 8081 Preconditions.checkNotNull(admin, "admin is null"); 8082 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 8083 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 8084 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 8085 + admin + " are not in the same package"); 8086 } 8087 // Only allow the system user to use this method 8088 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 8089 throw new SecurityException("createAndManageUser was called from non-system user"); 8090 } 8091 if (!mInjector.userManagerIsSplitSystemUser() 8092 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 8093 throw new IllegalArgumentException( 8094 "Ephemeral users are only supported on systems with a split system user."); 8095 } 8096 // Create user. 8097 UserHandle user = null; 8098 synchronized (this) { 8099 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8100 8101 final long id = mInjector.binderClearCallingIdentity(); 8102 try { 8103 int userInfoFlags = 0; 8104 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 8105 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 8106 } 8107 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 8108 userInfoFlags); 8109 if (userInfo != null) { 8110 user = userInfo.getUserHandle(); 8111 } 8112 } finally { 8113 mInjector.binderRestoreCallingIdentity(id); 8114 } 8115 } 8116 if (user == null) { 8117 return null; 8118 } 8119 // Set admin. 8120 final long id = mInjector.binderClearCallingIdentity(); 8121 try { 8122 final String adminPkg = admin.getPackageName(); 8123 8124 final int userHandle = user.getIdentifier(); 8125 try { 8126 // Install the profile owner if not present. 8127 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 8128 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle, 8129 0 /*installFlags*/, PackageManager.INSTALL_REASON_POLICY); 8130 } 8131 } catch (RemoteException e) { 8132 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 8133 + "removing created user", e); 8134 mUserManager.removeUser(user.getIdentifier()); 8135 return null; 8136 } 8137 8138 setActiveAdmin(profileOwner, true, userHandle); 8139 // User is not started yet, the broadcast by setActiveAdmin will not be received. 8140 // So we store adminExtras for broadcasting when the user starts for first time. 8141 synchronized(this) { 8142 DevicePolicyData policyData = getUserData(userHandle); 8143 policyData.mInitBundle = adminExtras; 8144 policyData.mAdminBroadcastPending = true; 8145 saveSettingsLocked(userHandle); 8146 } 8147 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 8148 setProfileOwner(profileOwner, ownerName, userHandle); 8149 8150 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 8151 Settings.Secure.putIntForUser(mContext.getContentResolver(), 8152 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 8153 } 8154 8155 return user; 8156 } finally { 8157 mInjector.binderRestoreCallingIdentity(id); 8158 } 8159 } 8160 8161 @Override 8162 public boolean removeUser(ComponentName who, UserHandle userHandle) { 8163 Preconditions.checkNotNull(who, "ComponentName is null"); 8164 synchronized (this) { 8165 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8166 } 8167 8168 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8169 final long id = mInjector.binderClearCallingIdentity(); 8170 try { 8171 String restriction = isManagedProfile(userHandle.getIdentifier()) 8172 ? UserManager.DISALLOW_REMOVE_MANAGED_PROFILE 8173 : UserManager.DISALLOW_REMOVE_USER; 8174 if (isAdminAffectedByRestriction(who, restriction, callingUserId)) { 8175 Log.w(LOG_TAG, "The device owner cannot remove a user because " 8176 + restriction + " is enabled, and was not set by the device owner"); 8177 return false; 8178 } 8179 return mUserManagerInternal.removeUserEvenWhenDisallowed(userHandle.getIdentifier()); 8180 } finally { 8181 mInjector.binderRestoreCallingIdentity(id); 8182 } 8183 } 8184 8185 private boolean isAdminAffectedByRestriction( 8186 ComponentName admin, String userRestriction, int userId) { 8187 switch(mUserManager.getUserRestrictionSource(userRestriction, UserHandle.of(userId))) { 8188 case UserManager.RESTRICTION_NOT_SET: 8189 return false; 8190 case UserManager.RESTRICTION_SOURCE_DEVICE_OWNER: 8191 return !isDeviceOwner(admin, userId); 8192 case UserManager.RESTRICTION_SOURCE_PROFILE_OWNER: 8193 return !isProfileOwner(admin, userId); 8194 default: 8195 return true; 8196 } 8197 } 8198 8199 @Override 8200 public boolean switchUser(ComponentName who, UserHandle userHandle) { 8201 Preconditions.checkNotNull(who, "ComponentName is null"); 8202 synchronized (this) { 8203 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8204 8205 long id = mInjector.binderClearCallingIdentity(); 8206 try { 8207 int userId = UserHandle.USER_SYSTEM; 8208 if (userHandle != null) { 8209 userId = userHandle.getIdentifier(); 8210 } 8211 return mInjector.getIActivityManager().switchUser(userId); 8212 } catch (RemoteException e) { 8213 Log.e(LOG_TAG, "Couldn't switch user", e); 8214 return false; 8215 } finally { 8216 mInjector.binderRestoreCallingIdentity(id); 8217 } 8218 } 8219 } 8220 8221 @Override 8222 public Bundle getApplicationRestrictions(ComponentName who, String callerPackage, 8223 String packageName) { 8224 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8225 DELEGATION_APP_RESTRICTIONS); 8226 8227 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 8228 final long id = mInjector.binderClearCallingIdentity(); 8229 try { 8230 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 8231 // if no restrictions were saved, mUserManager.getApplicationRestrictions 8232 // returns null, but DPM method should return an empty Bundle as per JavaDoc 8233 return bundle != null ? bundle : Bundle.EMPTY; 8234 } finally { 8235 mInjector.binderRestoreCallingIdentity(id); 8236 } 8237 } 8238 8239 @Override 8240 public String[] setPackagesSuspended(ComponentName who, String callerPackage, 8241 String[] packageNames, boolean suspended) { 8242 int callingUserId = UserHandle.getCallingUserId(); 8243 synchronized (this) { 8244 // Ensure the caller is a DO/PO or a package access delegate. 8245 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8246 DELEGATION_PACKAGE_ACCESS); 8247 8248 long id = mInjector.binderClearCallingIdentity(); 8249 try { 8250 return mIPackageManager.setPackagesSuspendedAsUser( 8251 packageNames, suspended, callingUserId); 8252 } catch (RemoteException re) { 8253 // Shouldn't happen. 8254 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 8255 } finally { 8256 mInjector.binderRestoreCallingIdentity(id); 8257 } 8258 return packageNames; 8259 } 8260 } 8261 8262 @Override 8263 public boolean isPackageSuspended(ComponentName who, String callerPackage, String packageName) { 8264 int callingUserId = UserHandle.getCallingUserId(); 8265 synchronized (this) { 8266 // Ensure the caller is a DO/PO or a package access delegate. 8267 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8268 DELEGATION_PACKAGE_ACCESS); 8269 8270 long id = mInjector.binderClearCallingIdentity(); 8271 try { 8272 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 8273 } catch (RemoteException re) { 8274 // Shouldn't happen. 8275 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 8276 } finally { 8277 mInjector.binderRestoreCallingIdentity(id); 8278 } 8279 return false; 8280 } 8281 } 8282 8283 @Override 8284 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 8285 Preconditions.checkNotNull(who, "ComponentName is null"); 8286 if (!UserRestrictionsUtils.isValidRestriction(key)) { 8287 return; 8288 } 8289 8290 final int userHandle = mInjector.userHandleGetCallingUserId(); 8291 synchronized (this) { 8292 final ActiveAdmin activeAdmin = 8293 getActiveAdminForCallerLocked(who, 8294 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8295 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 8296 if (isDeviceOwner) { 8297 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 8298 throw new SecurityException("Device owner cannot set user restriction " + key); 8299 } 8300 } else { // profile owner 8301 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 8302 throw new SecurityException("Profile owner cannot set user restriction " + key); 8303 } 8304 } 8305 8306 // Save the restriction to ActiveAdmin. 8307 final Bundle restrictions = activeAdmin.ensureUserRestrictions(); 8308 if (enabledFromThisOwner) { 8309 restrictions.putBoolean(key, true); 8310 } else { 8311 restrictions.remove(key); 8312 } 8313 saveUserRestrictionsLocked(userHandle); 8314 } 8315 } 8316 8317 private void saveUserRestrictionsLocked(int userId) { 8318 saveSettingsLocked(userId); 8319 pushUserRestrictions(userId); 8320 sendChangedNotification(userId); 8321 } 8322 8323 private void pushUserRestrictions(int userId) { 8324 synchronized (this) { 8325 final boolean isDeviceOwner = mOwners.isDeviceOwnerUserId(userId); 8326 final Bundle userRestrictions; 8327 // Whether device owner enforces camera restriction. 8328 boolean disallowCameraGlobally = false; 8329 8330 if (isDeviceOwner) { 8331 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 8332 if (deviceOwner == null) { 8333 return; // Shouldn't happen. 8334 } 8335 userRestrictions = deviceOwner.userRestrictions; 8336 // DO can disable camera globally. 8337 disallowCameraGlobally = deviceOwner.disableCamera; 8338 } else { 8339 final ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 8340 userRestrictions = profileOwner != null ? profileOwner.userRestrictions : null; 8341 } 8342 8343 // Whether any admin enforces camera restriction. 8344 final int cameraRestrictionScope = 8345 getCameraRestrictionScopeLocked(userId, disallowCameraGlobally); 8346 8347 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, userRestrictions, 8348 isDeviceOwner, cameraRestrictionScope); 8349 } 8350 } 8351 8352 /** 8353 * Get the scope of camera restriction for a given user if any. 8354 */ 8355 private int getCameraRestrictionScopeLocked(int userId, boolean disallowCameraGlobally) { 8356 if (disallowCameraGlobally) { 8357 return UserManagerInternal.CAMERA_DISABLED_GLOBALLY; 8358 } else if (getCameraDisabled( 8359 /* who= */ null, userId, /* mergeDeviceOwnerRestriction= */ false)) { 8360 return UserManagerInternal.CAMERA_DISABLED_LOCALLY; 8361 } 8362 return UserManagerInternal.CAMERA_NOT_DISABLED; 8363 } 8364 8365 @Override 8366 public Bundle getUserRestrictions(ComponentName who) { 8367 if (!mHasFeature) { 8368 return null; 8369 } 8370 Preconditions.checkNotNull(who, "ComponentName is null"); 8371 synchronized (this) { 8372 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 8373 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8374 return activeAdmin.userRestrictions; 8375 } 8376 } 8377 8378 @Override 8379 public boolean setApplicationHidden(ComponentName who, String callerPackage, String packageName, 8380 boolean hidden) { 8381 int callingUserId = UserHandle.getCallingUserId(); 8382 synchronized (this) { 8383 // Ensure the caller is a DO/PO or a package access delegate. 8384 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8385 DELEGATION_PACKAGE_ACCESS); 8386 8387 long id = mInjector.binderClearCallingIdentity(); 8388 try { 8389 return mIPackageManager.setApplicationHiddenSettingAsUser( 8390 packageName, hidden, callingUserId); 8391 } catch (RemoteException re) { 8392 // shouldn't happen 8393 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 8394 } finally { 8395 mInjector.binderRestoreCallingIdentity(id); 8396 } 8397 return false; 8398 } 8399 } 8400 8401 @Override 8402 public boolean isApplicationHidden(ComponentName who, String callerPackage, 8403 String packageName) { 8404 int callingUserId = UserHandle.getCallingUserId(); 8405 synchronized (this) { 8406 // Ensure the caller is a DO/PO or a package access delegate. 8407 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8408 DELEGATION_PACKAGE_ACCESS); 8409 8410 long id = mInjector.binderClearCallingIdentity(); 8411 try { 8412 return mIPackageManager.getApplicationHiddenSettingAsUser( 8413 packageName, callingUserId); 8414 } catch (RemoteException re) { 8415 // shouldn't happen 8416 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 8417 } finally { 8418 mInjector.binderRestoreCallingIdentity(id); 8419 } 8420 return false; 8421 } 8422 } 8423 8424 @Override 8425 public void enableSystemApp(ComponentName who, String callerPackage, String packageName) { 8426 synchronized (this) { 8427 // Ensure the caller is a DO/PO or an enable system app delegate. 8428 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8429 DELEGATION_ENABLE_SYSTEM_APP); 8430 8431 int userId = UserHandle.getCallingUserId(); 8432 long id = mInjector.binderClearCallingIdentity(); 8433 8434 try { 8435 if (VERBOSE_LOG) { 8436 Slog.v(LOG_TAG, "installing " + packageName + " for " 8437 + userId); 8438 } 8439 8440 int parentUserId = getProfileParentId(userId); 8441 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 8442 throw new IllegalArgumentException("Only system apps can be enabled this way."); 8443 } 8444 8445 // Install the app. 8446 mIPackageManager.installExistingPackageAsUser(packageName, userId, 8447 0 /*installFlags*/, PackageManager.INSTALL_REASON_POLICY); 8448 8449 } catch (RemoteException re) { 8450 // shouldn't happen 8451 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 8452 } finally { 8453 mInjector.binderRestoreCallingIdentity(id); 8454 } 8455 } 8456 } 8457 8458 @Override 8459 public int enableSystemAppWithIntent(ComponentName who, String callerPackage, Intent intent) { 8460 synchronized (this) { 8461 // Ensure the caller is a DO/PO or an enable system app delegate. 8462 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8463 DELEGATION_ENABLE_SYSTEM_APP); 8464 8465 int userId = UserHandle.getCallingUserId(); 8466 long id = mInjector.binderClearCallingIdentity(); 8467 8468 try { 8469 int parentUserId = getProfileParentId(userId); 8470 List<ResolveInfo> activitiesToEnable = mIPackageManager 8471 .queryIntentActivities(intent, 8472 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 8473 PackageManager.MATCH_DIRECT_BOOT_AWARE 8474 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 8475 parentUserId) 8476 .getList(); 8477 8478 if (VERBOSE_LOG) { 8479 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 8480 } 8481 int numberOfAppsInstalled = 0; 8482 if (activitiesToEnable != null) { 8483 for (ResolveInfo info : activitiesToEnable) { 8484 if (info.activityInfo != null) { 8485 String packageName = info.activityInfo.packageName; 8486 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 8487 numberOfAppsInstalled++; 8488 mIPackageManager.installExistingPackageAsUser(packageName, userId, 8489 0 /*installFlags*/, PackageManager.INSTALL_REASON_POLICY); 8490 } else { 8491 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 8492 + " system app"); 8493 } 8494 } 8495 } 8496 } 8497 return numberOfAppsInstalled; 8498 } catch (RemoteException e) { 8499 // shouldn't happen 8500 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 8501 return 0; 8502 } finally { 8503 mInjector.binderRestoreCallingIdentity(id); 8504 } 8505 } 8506 } 8507 8508 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 8509 throws RemoteException { 8510 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, MATCH_UNINSTALLED_PACKAGES, 8511 userId); 8512 if (appInfo == null) { 8513 throw new IllegalArgumentException("The application " + packageName + 8514 " is not present on this device"); 8515 } 8516 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 8517 } 8518 8519 @Override 8520 public void setAccountManagementDisabled(ComponentName who, String accountType, 8521 boolean disabled) { 8522 if (!mHasFeature) { 8523 return; 8524 } 8525 Preconditions.checkNotNull(who, "ComponentName is null"); 8526 synchronized (this) { 8527 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 8528 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8529 if (disabled) { 8530 ap.accountTypesWithManagementDisabled.add(accountType); 8531 } else { 8532 ap.accountTypesWithManagementDisabled.remove(accountType); 8533 } 8534 saveSettingsLocked(UserHandle.getCallingUserId()); 8535 } 8536 } 8537 8538 @Override 8539 public String[] getAccountTypesWithManagementDisabled() { 8540 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 8541 } 8542 8543 @Override 8544 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 8545 enforceFullCrossUsersPermission(userId); 8546 if (!mHasFeature) { 8547 return null; 8548 } 8549 synchronized (this) { 8550 DevicePolicyData policy = getUserData(userId); 8551 final int N = policy.mAdminList.size(); 8552 ArraySet<String> resultSet = new ArraySet<>(); 8553 for (int i = 0; i < N; i++) { 8554 ActiveAdmin admin = policy.mAdminList.get(i); 8555 resultSet.addAll(admin.accountTypesWithManagementDisabled); 8556 } 8557 return resultSet.toArray(new String[resultSet.size()]); 8558 } 8559 } 8560 8561 @Override 8562 public void setUninstallBlocked(ComponentName who, String callerPackage, String packageName, 8563 boolean uninstallBlocked) { 8564 final int userId = UserHandle.getCallingUserId(); 8565 synchronized (this) { 8566 // Ensure the caller is a DO/PO or a block uninstall delegate 8567 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8568 DELEGATION_BLOCK_UNINSTALL); 8569 8570 long id = mInjector.binderClearCallingIdentity(); 8571 try { 8572 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 8573 } catch (RemoteException re) { 8574 // Shouldn't happen. 8575 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 8576 } finally { 8577 mInjector.binderRestoreCallingIdentity(id); 8578 } 8579 } 8580 } 8581 8582 @Override 8583 public boolean isUninstallBlocked(ComponentName who, String packageName) { 8584 // This function should return true if and only if the package is blocked by 8585 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 8586 // when the package is a system app, or when it is an active device admin. 8587 final int userId = UserHandle.getCallingUserId(); 8588 8589 synchronized (this) { 8590 if (who != null) { 8591 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8592 } 8593 8594 long id = mInjector.binderClearCallingIdentity(); 8595 try { 8596 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 8597 } catch (RemoteException re) { 8598 // Shouldn't happen. 8599 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 8600 } finally { 8601 mInjector.binderRestoreCallingIdentity(id); 8602 } 8603 } 8604 return false; 8605 } 8606 8607 @Override 8608 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 8609 if (!mHasFeature) { 8610 return; 8611 } 8612 Preconditions.checkNotNull(who, "ComponentName is null"); 8613 synchronized (this) { 8614 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8615 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8616 if (admin.disableCallerId != disabled) { 8617 admin.disableCallerId = disabled; 8618 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8619 } 8620 } 8621 } 8622 8623 @Override 8624 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 8625 if (!mHasFeature) { 8626 return false; 8627 } 8628 Preconditions.checkNotNull(who, "ComponentName is null"); 8629 synchronized (this) { 8630 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8631 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8632 return admin.disableCallerId; 8633 } 8634 } 8635 8636 @Override 8637 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 8638 enforceCrossUsersPermission(userId); 8639 synchronized (this) { 8640 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8641 return (admin != null) ? admin.disableCallerId : false; 8642 } 8643 } 8644 8645 @Override 8646 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 8647 if (!mHasFeature) { 8648 return; 8649 } 8650 Preconditions.checkNotNull(who, "ComponentName is null"); 8651 synchronized (this) { 8652 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8653 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8654 if (admin.disableContactsSearch != disabled) { 8655 admin.disableContactsSearch = disabled; 8656 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8657 } 8658 } 8659 } 8660 8661 @Override 8662 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 8663 if (!mHasFeature) { 8664 return false; 8665 } 8666 Preconditions.checkNotNull(who, "ComponentName is null"); 8667 synchronized (this) { 8668 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8669 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8670 return admin.disableContactsSearch; 8671 } 8672 } 8673 8674 @Override 8675 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 8676 enforceCrossUsersPermission(userId); 8677 synchronized (this) { 8678 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8679 return (admin != null) ? admin.disableContactsSearch : false; 8680 } 8681 } 8682 8683 @Override 8684 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 8685 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 8686 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 8687 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 8688 final int callingUserId = UserHandle.getCallingUserId(); 8689 8690 final long ident = mInjector.binderClearCallingIdentity(); 8691 try { 8692 synchronized (this) { 8693 final int managedUserId = getManagedUserId(callingUserId); 8694 if (managedUserId < 0) { 8695 return; 8696 } 8697 if (isCrossProfileQuickContactDisabled(managedUserId)) { 8698 if (VERBOSE_LOG) { 8699 Log.v(LOG_TAG, 8700 "Cross-profile contacts access disabled for user " + managedUserId); 8701 } 8702 return; 8703 } 8704 ContactsInternal.startQuickContactWithErrorToastForUser( 8705 mContext, intent, new UserHandle(managedUserId)); 8706 } 8707 } finally { 8708 mInjector.binderRestoreCallingIdentity(ident); 8709 } 8710 } 8711 8712 /** 8713 * @return true if cross-profile QuickContact is disabled 8714 */ 8715 private boolean isCrossProfileQuickContactDisabled(int userId) { 8716 return getCrossProfileCallerIdDisabledForUser(userId) 8717 && getCrossProfileContactsSearchDisabledForUser(userId); 8718 } 8719 8720 /** 8721 * @return the user ID of the managed user that is linked to the current user, if any. 8722 * Otherwise -1. 8723 */ 8724 public int getManagedUserId(int callingUserId) { 8725 if (VERBOSE_LOG) { 8726 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 8727 } 8728 8729 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 8730 if (ui.id == callingUserId || !ui.isManagedProfile()) { 8731 continue; // Caller user self, or not a managed profile. Skip. 8732 } 8733 if (VERBOSE_LOG) { 8734 Log.v(LOG_TAG, "Managed user=" + ui.id); 8735 } 8736 return ui.id; 8737 } 8738 if (VERBOSE_LOG) { 8739 Log.v(LOG_TAG, "Managed user not found."); 8740 } 8741 return -1; 8742 } 8743 8744 @Override 8745 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 8746 if (!mHasFeature) { 8747 return; 8748 } 8749 Preconditions.checkNotNull(who, "ComponentName is null"); 8750 synchronized (this) { 8751 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8752 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8753 if (admin.disableBluetoothContactSharing != disabled) { 8754 admin.disableBluetoothContactSharing = disabled; 8755 saveSettingsLocked(UserHandle.getCallingUserId()); 8756 } 8757 } 8758 } 8759 8760 @Override 8761 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 8762 if (!mHasFeature) { 8763 return false; 8764 } 8765 Preconditions.checkNotNull(who, "ComponentName is null"); 8766 synchronized (this) { 8767 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8768 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8769 return admin.disableBluetoothContactSharing; 8770 } 8771 } 8772 8773 @Override 8774 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 8775 // TODO: Should there be a check to make sure this relationship is 8776 // within a profile group? 8777 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 8778 synchronized (this) { 8779 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8780 return (admin != null) ? admin.disableBluetoothContactSharing : false; 8781 } 8782 } 8783 8784 @Override 8785 public void setLockTaskPackages(ComponentName who, String[] packages) 8786 throws SecurityException { 8787 Preconditions.checkNotNull(who, "ComponentName is null"); 8788 Preconditions.checkNotNull(packages, "packages is null"); 8789 8790 synchronized (this) { 8791 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8792 final int userHandle = mInjector.userHandleGetCallingUserId(); 8793 if (isUserAffiliatedWithDeviceLocked(userHandle)) { 8794 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 8795 } else { 8796 throw new SecurityException("Admin " + who + 8797 " is neither the device owner or affiliated user's profile owner."); 8798 } 8799 } 8800 } 8801 8802 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 8803 DevicePolicyData policy = getUserData(userHandle); 8804 policy.mLockTaskPackages = packages; 8805 8806 // Store the settings persistently. 8807 saveSettingsLocked(userHandle); 8808 updateLockTaskPackagesLocked(packages, userHandle); 8809 } 8810 8811 private void maybeClearLockTaskPackagesLocked() { 8812 final long ident = mInjector.binderClearCallingIdentity(); 8813 try { 8814 final List<UserInfo> userInfos = mUserManager.getUsers(/*excludeDying=*/ true); 8815 for (int i = 0; i < userInfos.size(); i++) { 8816 int userId = userInfos.get(i).id; 8817 final List<String> lockTaskPackages = getUserData(userId).mLockTaskPackages; 8818 if (!lockTaskPackages.isEmpty() && 8819 !isUserAffiliatedWithDeviceLocked(userId)) { 8820 Slog.d(LOG_TAG, 8821 "User id " + userId + " not affiliated. Clearing lock task packages"); 8822 setLockTaskPackagesLocked(userId, Collections.<String>emptyList()); 8823 } 8824 } 8825 } finally { 8826 mInjector.binderRestoreCallingIdentity(ident); 8827 } 8828 } 8829 8830 @Override 8831 public String[] getLockTaskPackages(ComponentName who) { 8832 Preconditions.checkNotNull(who, "ComponentName is null"); 8833 8834 final int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 8835 synchronized (this) { 8836 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8837 if (!isUserAffiliatedWithDeviceLocked(userHandle)) { 8838 throw new SecurityException("Admin " + who + 8839 " is neither the device owner or affiliated user's profile owner."); 8840 } 8841 8842 final List<String> packages = getUserData(userHandle).mLockTaskPackages; 8843 return packages.toArray(new String[packages.size()]); 8844 } 8845 } 8846 8847 @Override 8848 public boolean isLockTaskPermitted(String pkg) { 8849 final int userHandle = mInjector.userHandleGetCallingUserId(); 8850 synchronized (this) { 8851 return getUserData(userHandle).mLockTaskPackages.contains(pkg); 8852 } 8853 } 8854 8855 @Override 8856 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 8857 if (!isCallerWithSystemUid()) { 8858 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 8859 } 8860 synchronized (this) { 8861 final DevicePolicyData policy = getUserData(userHandle); 8862 Bundle adminExtras = new Bundle(); 8863 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 8864 for (ActiveAdmin admin : policy.mAdminList) { 8865 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 8866 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 8867 if (ownsDevice || ownsProfile) { 8868 if (isEnabled) { 8869 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 8870 adminExtras, null); 8871 } else { 8872 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 8873 } 8874 } 8875 } 8876 } 8877 } 8878 8879 @Override 8880 public void setGlobalSetting(ComponentName who, String setting, String value) { 8881 Preconditions.checkNotNull(who, "ComponentName is null"); 8882 8883 synchronized (this) { 8884 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8885 8886 // Some settings are no supported any more. However we do not want to throw a 8887 // SecurityException to avoid breaking apps. 8888 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 8889 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 8890 return; 8891 } 8892 8893 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 8894 throw new SecurityException(String.format( 8895 "Permission denial: device owners cannot update %1$s", setting)); 8896 } 8897 8898 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 8899 // ignore if it contradicts an existing policy 8900 long timeMs = getMaximumTimeToLock( 8901 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 8902 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 8903 return; 8904 } 8905 } 8906 8907 long id = mInjector.binderClearCallingIdentity(); 8908 try { 8909 mInjector.settingsGlobalPutString(setting, value); 8910 } finally { 8911 mInjector.binderRestoreCallingIdentity(id); 8912 } 8913 } 8914 } 8915 8916 @Override 8917 public void setSecureSetting(ComponentName who, String setting, String value) { 8918 Preconditions.checkNotNull(who, "ComponentName is null"); 8919 int callingUserId = mInjector.userHandleGetCallingUserId(); 8920 8921 synchronized (this) { 8922 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8923 8924 if (isDeviceOwner(who, callingUserId)) { 8925 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 8926 throw new SecurityException(String.format( 8927 "Permission denial: Device owners cannot update %1$s", setting)); 8928 } 8929 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 8930 throw new SecurityException(String.format( 8931 "Permission denial: Profile owners cannot update %1$s", setting)); 8932 } 8933 if (setting.equals(Settings.Secure.INSTALL_NON_MARKET_APPS)) { 8934 if (getTargetSdk(who.getPackageName(), callingUserId) >= Build.VERSION_CODES.O) { 8935 throw new UnsupportedOperationException(Settings.Secure.INSTALL_NON_MARKET_APPS 8936 + " is deprecated. Please use the user restriction " 8937 + UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES + " instead."); 8938 } 8939 if (!mUserManager.isManagedProfile(callingUserId)) { 8940 Slog.e(LOG_TAG, "Ignoring setSecureSetting request for " 8941 + setting + ". User restriction " 8942 + UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES 8943 + " should be used instead."); 8944 } else { 8945 try { 8946 setUserRestriction(who, UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, 8947 (Integer.parseInt(value) == 0) ? true : false); 8948 } catch (NumberFormatException exc) { 8949 Slog.e(LOG_TAG, "Invalid value: " + value + " for setting " + setting); 8950 } 8951 } 8952 return; 8953 } 8954 long id = mInjector.binderClearCallingIdentity(); 8955 try { 8956 if (Settings.Secure.DEFAULT_INPUT_METHOD.equals(setting)) { 8957 final String currentValue = mInjector.settingsSecureGetStringForUser( 8958 Settings.Secure.DEFAULT_INPUT_METHOD, callingUserId); 8959 if (!TextUtils.equals(currentValue, value)) { 8960 // Tell the content observer that the next change will be due to the owner 8961 // changing the value. There is a small race condition here that we cannot 8962 // avoid: Change notifications are sent asynchronously, so it is possible 8963 // that there are prior notifications queued up before the one we are about 8964 // to trigger. This is a corner case that will have no impact in practice. 8965 mSetupContentObserver.addPendingChangeByOwnerLocked(callingUserId); 8966 } 8967 getUserData(callingUserId).mCurrentInputMethodSet = true; 8968 saveSettingsLocked(callingUserId); 8969 } 8970 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 8971 } finally { 8972 mInjector.binderRestoreCallingIdentity(id); 8973 } 8974 } 8975 } 8976 8977 @Override 8978 public void setMasterVolumeMuted(ComponentName who, boolean on) { 8979 Preconditions.checkNotNull(who, "ComponentName is null"); 8980 synchronized (this) { 8981 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8982 setUserRestriction(who, UserManager.DISALLOW_UNMUTE_DEVICE, on); 8983 } 8984 } 8985 8986 @Override 8987 public boolean isMasterVolumeMuted(ComponentName who) { 8988 Preconditions.checkNotNull(who, "ComponentName is null"); 8989 synchronized (this) { 8990 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8991 8992 AudioManager audioManager = 8993 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 8994 return audioManager.isMasterMute(); 8995 } 8996 } 8997 8998 @Override 8999 public void setUserIcon(ComponentName who, Bitmap icon) { 9000 synchronized (this) { 9001 Preconditions.checkNotNull(who, "ComponentName is null"); 9002 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9003 9004 int userId = UserHandle.getCallingUserId(); 9005 long id = mInjector.binderClearCallingIdentity(); 9006 try { 9007 mUserManagerInternal.setUserIcon(userId, icon); 9008 } finally { 9009 mInjector.binderRestoreCallingIdentity(id); 9010 } 9011 } 9012 } 9013 9014 @Override 9015 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 9016 Preconditions.checkNotNull(who, "ComponentName is null"); 9017 synchronized (this) { 9018 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9019 } 9020 final int userId = UserHandle.getCallingUserId(); 9021 9022 long ident = mInjector.binderClearCallingIdentity(); 9023 try { 9024 // disallow disabling the keyguard if a password is currently set 9025 if (disabled && mLockPatternUtils.isSecure(userId)) { 9026 return false; 9027 } 9028 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 9029 } finally { 9030 mInjector.binderRestoreCallingIdentity(ident); 9031 } 9032 return true; 9033 } 9034 9035 @Override 9036 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 9037 int userId = UserHandle.getCallingUserId(); 9038 synchronized (this) { 9039 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9040 DevicePolicyData policy = getUserData(userId); 9041 if (policy.mStatusBarDisabled != disabled) { 9042 if (!setStatusBarDisabledInternal(disabled, userId)) { 9043 return false; 9044 } 9045 policy.mStatusBarDisabled = disabled; 9046 saveSettingsLocked(userId); 9047 } 9048 } 9049 return true; 9050 } 9051 9052 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 9053 long ident = mInjector.binderClearCallingIdentity(); 9054 try { 9055 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 9056 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 9057 if (statusBarService != null) { 9058 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 9059 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 9060 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 9061 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 9062 return true; 9063 } 9064 } catch (RemoteException e) { 9065 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 9066 } finally { 9067 mInjector.binderRestoreCallingIdentity(ident); 9068 } 9069 return false; 9070 } 9071 9072 /** 9073 * We need to update the internal state of whether a user has completed setup or a 9074 * device has paired once. After that, we ignore any changes that reset the 9075 * Settings.Secure.USER_SETUP_COMPLETE or Settings.Secure.DEVICE_PAIRED change 9076 * as we don't trust any apps that might try to reset them. 9077 * <p> 9078 * Unfortunately, we don't know which user's setup state was changed, so we write all of 9079 * them. 9080 */ 9081 void updateUserSetupCompleteAndPaired() { 9082 List<UserInfo> users = mUserManager.getUsers(true); 9083 final int N = users.size(); 9084 for (int i = 0; i < N; i++) { 9085 int userHandle = users.get(i).id; 9086 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 9087 userHandle) != 0) { 9088 DevicePolicyData policy = getUserData(userHandle); 9089 if (!policy.mUserSetupComplete) { 9090 policy.mUserSetupComplete = true; 9091 synchronized (this) { 9092 saveSettingsLocked(userHandle); 9093 } 9094 } 9095 } 9096 if (mIsWatch && mInjector.settingsSecureGetIntForUser(Settings.Secure.DEVICE_PAIRED, 0, 9097 userHandle) != 0) { 9098 DevicePolicyData policy = getUserData(userHandle); 9099 if (!policy.mPaired) { 9100 policy.mPaired = true; 9101 synchronized (this) { 9102 saveSettingsLocked(userHandle); 9103 } 9104 } 9105 } 9106 } 9107 } 9108 9109 private class SetupContentObserver extends ContentObserver { 9110 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 9111 Settings.Secure.USER_SETUP_COMPLETE); 9112 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 9113 Settings.Global.DEVICE_PROVISIONED); 9114 private final Uri mPaired = Settings.Secure.getUriFor(Settings.Secure.DEVICE_PAIRED); 9115 private final Uri mDefaultImeChanged = Settings.Secure.getUriFor( 9116 Settings.Secure.DEFAULT_INPUT_METHOD); 9117 9118 @GuardedBy("DevicePolicyManagerService.this") 9119 private Set<Integer> mUserIdsWithPendingChangesByOwner = new ArraySet<>(); 9120 9121 public SetupContentObserver(Handler handler) { 9122 super(handler); 9123 } 9124 9125 void register() { 9126 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 9127 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 9128 if (mIsWatch) { 9129 mInjector.registerContentObserver(mPaired, false, this, UserHandle.USER_ALL); 9130 } 9131 mInjector.registerContentObserver(mDefaultImeChanged, false, this, UserHandle.USER_ALL); 9132 } 9133 9134 private void addPendingChangeByOwnerLocked(int userId) { 9135 mUserIdsWithPendingChangesByOwner.add(userId); 9136 } 9137 9138 @Override 9139 public void onChange(boolean selfChange, Uri uri, int userId) { 9140 if (mUserSetupComplete.equals(uri) || (mIsWatch && mPaired.equals(uri))) { 9141 updateUserSetupCompleteAndPaired(); 9142 } else if (mDeviceProvisioned.equals(uri)) { 9143 synchronized (DevicePolicyManagerService.this) { 9144 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 9145 // is delayed until device is marked as provisioned. 9146 setDeviceOwnerSystemPropertyLocked(); 9147 } 9148 } else if (mDefaultImeChanged.equals(uri)) { 9149 synchronized (DevicePolicyManagerService.this) { 9150 if (mUserIdsWithPendingChangesByOwner.contains(userId)) { 9151 // This change notification was triggered by the owner changing the current 9152 // IME. Ignore it. 9153 mUserIdsWithPendingChangesByOwner.remove(userId); 9154 } else { 9155 // This change notification was triggered by the user manually changing the 9156 // current IME. 9157 getUserData(userId).mCurrentInputMethodSet = false; 9158 saveSettingsLocked(userId); 9159 } 9160 } 9161 } 9162 } 9163 } 9164 9165 @VisibleForTesting 9166 final class LocalService extends DevicePolicyManagerInternal { 9167 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 9168 9169 @Override 9170 public List<String> getCrossProfileWidgetProviders(int profileId) { 9171 synchronized (DevicePolicyManagerService.this) { 9172 if (mOwners == null) { 9173 return Collections.emptyList(); 9174 } 9175 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 9176 if (ownerComponent == null) { 9177 return Collections.emptyList(); 9178 } 9179 9180 DevicePolicyData policy = getUserDataUnchecked(profileId); 9181 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 9182 9183 if (admin == null || admin.crossProfileWidgetProviders == null 9184 || admin.crossProfileWidgetProviders.isEmpty()) { 9185 return Collections.emptyList(); 9186 } 9187 9188 return admin.crossProfileWidgetProviders; 9189 } 9190 } 9191 9192 @Override 9193 public void addOnCrossProfileWidgetProvidersChangeListener( 9194 OnCrossProfileWidgetProvidersChangeListener listener) { 9195 synchronized (DevicePolicyManagerService.this) { 9196 if (mWidgetProviderListeners == null) { 9197 mWidgetProviderListeners = new ArrayList<>(); 9198 } 9199 if (!mWidgetProviderListeners.contains(listener)) { 9200 mWidgetProviderListeners.add(listener); 9201 } 9202 } 9203 } 9204 9205 @Override 9206 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 9207 synchronized(DevicePolicyManagerService.this) { 9208 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 9209 } 9210 } 9211 9212 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 9213 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 9214 synchronized (DevicePolicyManagerService.this) { 9215 listeners = new ArrayList<>(mWidgetProviderListeners); 9216 } 9217 final int listenerCount = listeners.size(); 9218 for (int i = 0; i < listenerCount; i++) { 9219 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 9220 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 9221 } 9222 } 9223 9224 @Override 9225 public Intent createShowAdminSupportIntent(int userId, boolean useDefaultIfNoAdmin) { 9226 // This method is called from AM with its lock held, so don't take the DPMS lock. 9227 // b/29242568 9228 9229 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 9230 if (profileOwner != null) { 9231 return DevicePolicyManagerService.this 9232 .createShowAdminSupportIntent(profileOwner, userId); 9233 } 9234 9235 final Pair<Integer, ComponentName> deviceOwner = 9236 mOwners.getDeviceOwnerUserIdAndComponent(); 9237 if (deviceOwner != null && deviceOwner.first == userId) { 9238 return DevicePolicyManagerService.this 9239 .createShowAdminSupportIntent(deviceOwner.second, userId); 9240 } 9241 9242 // We're not specifying the device admin because there isn't one. 9243 if (useDefaultIfNoAdmin) { 9244 return DevicePolicyManagerService.this.createShowAdminSupportIntent(null, userId); 9245 } 9246 return null; 9247 } 9248 9249 @Override 9250 public Intent createUserRestrictionSupportIntent(int userId, String userRestriction) { 9251 int source; 9252 long ident = mInjector.binderClearCallingIdentity(); 9253 try { 9254 source = mUserManager.getUserRestrictionSource(userRestriction, 9255 UserHandle.of(userId)); 9256 } finally { 9257 mInjector.binderRestoreCallingIdentity(ident); 9258 } 9259 if ((source & UserManager.RESTRICTION_SOURCE_SYSTEM) != 0) { 9260 /* 9261 * In this case, the user restriction is enforced by the system. 9262 * So we won't show an admin support intent, even if it is also 9263 * enforced by a profile/device owner. 9264 */ 9265 return null; 9266 } 9267 boolean enforcedByDo = (source & UserManager.RESTRICTION_SOURCE_DEVICE_OWNER) != 0; 9268 boolean enforcedByPo = (source & UserManager.RESTRICTION_SOURCE_PROFILE_OWNER) != 0; 9269 if (enforcedByDo && enforcedByPo) { 9270 // In this case, we'll show an admin support dialog that does not 9271 // specify the admin. 9272 return DevicePolicyManagerService.this.createShowAdminSupportIntent(null, userId); 9273 } else if (enforcedByPo) { 9274 final ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 9275 if (profileOwner != null) { 9276 return DevicePolicyManagerService.this 9277 .createShowAdminSupportIntent(profileOwner, userId); 9278 } 9279 // This could happen if another thread has changed the profile owner since we called 9280 // getUserRestrictionSource 9281 return null; 9282 } else if (enforcedByDo) { 9283 final Pair<Integer, ComponentName> deviceOwner 9284 = mOwners.getDeviceOwnerUserIdAndComponent(); 9285 if (deviceOwner != null) { 9286 return DevicePolicyManagerService.this 9287 .createShowAdminSupportIntent(deviceOwner.second, deviceOwner.first); 9288 } 9289 // This could happen if another thread has changed the device owner since we called 9290 // getUserRestrictionSource 9291 return null; 9292 } 9293 return null; 9294 } 9295 } 9296 9297 private Intent createShowAdminSupportIntent(ComponentName admin, int userId) { 9298 // This method is called with AMS lock held, so don't take DPMS lock 9299 final Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 9300 intent.putExtra(Intent.EXTRA_USER_ID, userId); 9301 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, admin); 9302 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 9303 return intent; 9304 } 9305 9306 @Override 9307 public Intent createAdminSupportIntent(String restriction) { 9308 Preconditions.checkNotNull(restriction); 9309 final int uid = mInjector.binderGetCallingUid(); 9310 final int userId = UserHandle.getUserId(uid); 9311 Intent intent = null; 9312 if (DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction) || 9313 DevicePolicyManager.POLICY_DISABLE_SCREEN_CAPTURE.equals(restriction)) { 9314 synchronized(this) { 9315 final DevicePolicyData policy = getUserData(userId); 9316 final int N = policy.mAdminList.size(); 9317 for (int i = 0; i < N; i++) { 9318 final ActiveAdmin admin = policy.mAdminList.get(i); 9319 if ((admin.disableCamera && 9320 DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction)) || 9321 (admin.disableScreenCapture && DevicePolicyManager 9322 .POLICY_DISABLE_SCREEN_CAPTURE.equals(restriction))) { 9323 intent = createShowAdminSupportIntent(admin.info.getComponent(), userId); 9324 break; 9325 } 9326 } 9327 // For the camera, a device owner on a different user can disable it globally, 9328 // so we need an additional check. 9329 if (intent == null 9330 && DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction)) { 9331 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 9332 if (admin != null && admin.disableCamera) { 9333 intent = createShowAdminSupportIntent(admin.info.getComponent(), 9334 mOwners.getDeviceOwnerUserId()); 9335 } 9336 } 9337 } 9338 } else { 9339 // if valid, |restriction| can only be a user restriction 9340 intent = mLocalService.createUserRestrictionSupportIntent(userId, restriction); 9341 } 9342 if (intent != null) { 9343 intent.putExtra(DevicePolicyManager.EXTRA_RESTRICTION, restriction); 9344 } 9345 return intent; 9346 } 9347 9348 /** 9349 * Returns true if specified admin is allowed to limit passwords and has a 9350 * {@code minimumPasswordMetrics.quality} of at least {@code minPasswordQuality} 9351 */ 9352 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 9353 if (admin.minimumPasswordMetrics.quality < minPasswordQuality) { 9354 return false; 9355 } 9356 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 9357 } 9358 9359 @Override 9360 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 9361 if (policy != null && !policy.isValid()) { 9362 throw new IllegalArgumentException("Invalid system update policy."); 9363 } 9364 synchronized (this) { 9365 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9366 if (policy == null) { 9367 mOwners.clearSystemUpdatePolicy(); 9368 } else { 9369 mOwners.setSystemUpdatePolicy(policy); 9370 } 9371 mOwners.writeDeviceOwner(); 9372 } 9373 mContext.sendBroadcastAsUser( 9374 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 9375 UserHandle.SYSTEM); 9376 } 9377 9378 @Override 9379 public SystemUpdatePolicy getSystemUpdatePolicy() { 9380 if (UserManager.isDeviceInDemoMode(mContext)) { 9381 // Pretending to have an automatic update policy when the device is in retail demo 9382 // mode. This will allow the device to download and install an ota without 9383 // any user interaction. 9384 return SystemUpdatePolicy.createAutomaticInstallPolicy(); 9385 } 9386 synchronized (this) { 9387 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 9388 if (policy != null && !policy.isValid()) { 9389 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 9390 return null; 9391 } 9392 return policy; 9393 } 9394 } 9395 9396 /** 9397 * Checks if the caller of the method is the device owner app. 9398 * 9399 * @param callerUid UID of the caller. 9400 * @return true if the caller is the device owner app 9401 */ 9402 @VisibleForTesting 9403 boolean isCallerDeviceOwner(int callerUid) { 9404 synchronized (this) { 9405 if (!mOwners.hasDeviceOwner()) { 9406 return false; 9407 } 9408 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 9409 return false; 9410 } 9411 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 9412 .getPackageName(); 9413 try { 9414 String[] pkgs = mInjector.getIPackageManager().getPackagesForUid(callerUid); 9415 for (String pkg : pkgs) { 9416 if (deviceOwnerPackageName.equals(pkg)) { 9417 return true; 9418 } 9419 } 9420 } catch (RemoteException e) { 9421 return false; 9422 } 9423 } 9424 9425 return false; 9426 } 9427 9428 @Override 9429 public void notifyPendingSystemUpdate(@Nullable SystemUpdateInfo info) { 9430 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 9431 "Only the system update service can broadcast update information"); 9432 9433 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 9434 Slog.w(LOG_TAG, "Only the system update service in the system user " + 9435 "can broadcast update information."); 9436 return; 9437 } 9438 9439 if (!mOwners.saveSystemUpdateInfo(info)) { 9440 // Pending system update hasn't changed, don't send duplicate notification. 9441 return; 9442 } 9443 9444 final Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE) 9445 .putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 9446 info == null ? -1 : info.getReceivedTime()); 9447 9448 final long ident = mInjector.binderClearCallingIdentity(); 9449 try { 9450 synchronized (this) { 9451 // Broadcast to device owner first if there is one. 9452 if (mOwners.hasDeviceOwner()) { 9453 final UserHandle deviceOwnerUser = 9454 UserHandle.of(mOwners.getDeviceOwnerUserId()); 9455 intent.setComponent(mOwners.getDeviceOwnerComponent()); 9456 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 9457 } 9458 } 9459 // Get running users. 9460 final int runningUserIds[]; 9461 try { 9462 runningUserIds = mInjector.getIActivityManager().getRunningUserIds(); 9463 } catch (RemoteException e) { 9464 // Shouldn't happen. 9465 Log.e(LOG_TAG, "Could not retrieve the list of running users", e); 9466 return; 9467 } 9468 // Send broadcasts to corresponding profile owners if any. 9469 for (final int userId : runningUserIds) { 9470 synchronized (this) { 9471 final ComponentName profileOwnerPackage = 9472 mOwners.getProfileOwnerComponent(userId); 9473 if (profileOwnerPackage != null) { 9474 intent.setComponent(profileOwnerPackage); 9475 mContext.sendBroadcastAsUser(intent, UserHandle.of(userId)); 9476 } 9477 } 9478 } 9479 } finally { 9480 mInjector.binderRestoreCallingIdentity(ident); 9481 } 9482 } 9483 9484 @Override 9485 public SystemUpdateInfo getPendingSystemUpdate(ComponentName admin) { 9486 Preconditions.checkNotNull(admin, "ComponentName is null"); 9487 enforceProfileOrDeviceOwner(admin); 9488 9489 return mOwners.getSystemUpdateInfo(); 9490 } 9491 9492 @Override 9493 public void setPermissionPolicy(ComponentName admin, String callerPackage, int policy) 9494 throws RemoteException { 9495 int userId = UserHandle.getCallingUserId(); 9496 synchronized (this) { 9497 // Ensure the caller is a DO/PO or a permission grant state delegate. 9498 enforceCanManageScope(admin, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 9499 DELEGATION_PERMISSION_GRANT); 9500 DevicePolicyData userPolicy = getUserData(userId); 9501 if (userPolicy.mPermissionPolicy != policy) { 9502 userPolicy.mPermissionPolicy = policy; 9503 saveSettingsLocked(userId); 9504 } 9505 } 9506 } 9507 9508 @Override 9509 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 9510 int userId = UserHandle.getCallingUserId(); 9511 synchronized (this) { 9512 DevicePolicyData userPolicy = getUserData(userId); 9513 return userPolicy.mPermissionPolicy; 9514 } 9515 } 9516 9517 @Override 9518 public boolean setPermissionGrantState(ComponentName admin, String callerPackage, 9519 String packageName, String permission, int grantState) throws RemoteException { 9520 UserHandle user = mInjector.binderGetCallingUserHandle(); 9521 synchronized (this) { 9522 // Ensure the caller is a DO/PO or a permission grant state delegate. 9523 enforceCanManageScope(admin, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 9524 DELEGATION_PERMISSION_GRANT); 9525 long ident = mInjector.binderClearCallingIdentity(); 9526 try { 9527 if (getTargetSdk(packageName, user.getIdentifier()) 9528 < android.os.Build.VERSION_CODES.M) { 9529 return false; 9530 } 9531 final PackageManager packageManager = mInjector.getPackageManager(); 9532 switch (grantState) { 9533 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 9534 mInjector.getPackageManagerInternal().grantRuntimePermission(packageName, 9535 permission, user.getIdentifier(), true /* override policy */); 9536 packageManager.updatePermissionFlags(permission, packageName, 9537 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 9538 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 9539 } break; 9540 9541 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 9542 mInjector.getPackageManagerInternal().revokeRuntimePermission(packageName, 9543 permission, user.getIdentifier(), true /* override policy */); 9544 packageManager.updatePermissionFlags(permission, packageName, 9545 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 9546 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 9547 } break; 9548 9549 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 9550 packageManager.updatePermissionFlags(permission, packageName, 9551 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 9552 } break; 9553 } 9554 return true; 9555 } catch (SecurityException se) { 9556 return false; 9557 } finally { 9558 mInjector.binderRestoreCallingIdentity(ident); 9559 } 9560 } 9561 } 9562 9563 @Override 9564 public int getPermissionGrantState(ComponentName admin, String callerPackage, 9565 String packageName, String permission) throws RemoteException { 9566 PackageManager packageManager = mInjector.getPackageManager(); 9567 9568 UserHandle user = mInjector.binderGetCallingUserHandle(); 9569 if (!isCallerWithSystemUid()) { 9570 // Ensure the caller is a DO/PO or a permission grant state delegate. 9571 enforceCanManageScope(admin, callerPackage, 9572 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, DELEGATION_PERMISSION_GRANT); 9573 } 9574 synchronized (this) { 9575 long ident = mInjector.binderClearCallingIdentity(); 9576 try { 9577 int granted = mIPackageManager.checkPermission(permission, 9578 packageName, user.getIdentifier()); 9579 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 9580 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 9581 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 9582 // Not controlled by policy 9583 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 9584 } else { 9585 // Policy controlled so return result based on permission grant state 9586 return granted == PackageManager.PERMISSION_GRANTED 9587 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 9588 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 9589 } 9590 } finally { 9591 mInjector.binderRestoreCallingIdentity(ident); 9592 } 9593 } 9594 } 9595 9596 boolean isPackageInstalledForUser(String packageName, int userHandle) { 9597 try { 9598 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 9599 userHandle); 9600 return (pi != null) && (pi.applicationInfo.flags != 0); 9601 } catch (RemoteException re) { 9602 throw new RuntimeException("Package manager has died", re); 9603 } 9604 } 9605 9606 @Override 9607 public boolean isProvisioningAllowed(String action, String packageName) { 9608 Preconditions.checkNotNull(packageName); 9609 9610 final int callingUid = mInjector.binderGetCallingUid(); 9611 final long ident = mInjector.binderClearCallingIdentity(); 9612 try { 9613 final int uidForPackage = mInjector.getPackageManager().getPackageUidAsUser( 9614 packageName, UserHandle.getUserId(callingUid)); 9615 Preconditions.checkArgument(callingUid == uidForPackage, 9616 "Caller uid doesn't match the one for the provided package."); 9617 } catch (NameNotFoundException e) { 9618 throw new IllegalArgumentException("Invalid package provided " + packageName, e); 9619 } finally { 9620 mInjector.binderRestoreCallingIdentity(ident); 9621 } 9622 9623 return checkProvisioningPreConditionSkipPermission(action, packageName) == CODE_OK; 9624 } 9625 9626 @Override 9627 public int checkProvisioningPreCondition(String action, String packageName) { 9628 Preconditions.checkNotNull(packageName); 9629 enforceCanManageProfileAndDeviceOwners(); 9630 return checkProvisioningPreConditionSkipPermission(action, packageName); 9631 } 9632 9633 private int checkProvisioningPreConditionSkipPermission(String action, String packageName) { 9634 if (!mHasFeature) { 9635 return CODE_DEVICE_ADMIN_NOT_SUPPORTED; 9636 } 9637 9638 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9639 if (action != null) { 9640 switch (action) { 9641 case DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE: 9642 return checkManagedProfileProvisioningPreCondition(packageName, callingUserId); 9643 case DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE: 9644 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9645 case DevicePolicyManager.ACTION_PROVISION_MANAGED_USER: 9646 return checkManagedUserProvisioningPreCondition(callingUserId); 9647 case DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE: 9648 return checkManagedShareableDeviceProvisioningPreCondition(callingUserId); 9649 } 9650 } 9651 throw new IllegalArgumentException("Unknown provisioning action " + action); 9652 } 9653 9654 /** 9655 * The device owner can only be set before the setup phase of the primary user has completed, 9656 * except for adb command if no accounts or additional users are present on the device. 9657 */ 9658 private int checkDeviceOwnerProvisioningPreConditionLocked(@Nullable ComponentName owner, 9659 int deviceOwnerUserId, boolean isAdb, boolean hasIncompatibleAccountsOrNonAdb) { 9660 if (mOwners.hasDeviceOwner()) { 9661 return CODE_HAS_DEVICE_OWNER; 9662 } 9663 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 9664 return CODE_USER_HAS_PROFILE_OWNER; 9665 } 9666 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 9667 return CODE_USER_NOT_RUNNING; 9668 } 9669 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9670 return CODE_HAS_PAIRED; 9671 } 9672 if (isAdb) { 9673 // if shell command runs after user setup completed check device status. Otherwise, OK. 9674 if (mIsWatch || hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9675 if (!mInjector.userManagerIsSplitSystemUser()) { 9676 if (mUserManager.getUserCount() > 1) { 9677 return CODE_NONSYSTEM_USER_EXISTS; 9678 } 9679 if (hasIncompatibleAccountsOrNonAdb) { 9680 return CODE_ACCOUNTS_NOT_EMPTY; 9681 } 9682 } else { 9683 // STOPSHIP Do proper check in split user mode 9684 } 9685 } 9686 return CODE_OK; 9687 } else { 9688 if (!mInjector.userManagerIsSplitSystemUser()) { 9689 // In non-split user mode, DO has to be user 0 9690 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 9691 return CODE_NOT_SYSTEM_USER; 9692 } 9693 // In non-split user mode, only provision DO before setup wizard completes 9694 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9695 return CODE_USER_SETUP_COMPLETED; 9696 } 9697 } else { 9698 // STOPSHIP Do proper check in split user mode 9699 } 9700 return CODE_OK; 9701 } 9702 } 9703 9704 private int checkDeviceOwnerProvisioningPreCondition(int deviceOwnerUserId) { 9705 synchronized (this) { 9706 // hasIncompatibleAccountsOrNonAdb doesn't matter since the caller is not adb. 9707 return checkDeviceOwnerProvisioningPreConditionLocked(/* owner unknown */ null, 9708 deviceOwnerUserId, /* isAdb= */ false, 9709 /* hasIncompatibleAccountsOrNonAdb=*/ true); 9710 } 9711 } 9712 9713 private int checkManagedProfileProvisioningPreCondition(String packageName, int callingUserId) { 9714 if (!hasFeatureManagedUsers()) { 9715 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9716 } 9717 if (callingUserId == UserHandle.USER_SYSTEM 9718 && mInjector.userManagerIsSplitSystemUser()) { 9719 // Managed-profiles cannot be setup on the system user. 9720 return CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 9721 } 9722 if (getProfileOwner(callingUserId) != null) { 9723 // Managed user cannot have a managed profile. 9724 return CODE_USER_HAS_PROFILE_OWNER; 9725 } 9726 9727 final long ident = mInjector.binderClearCallingIdentity(); 9728 try { 9729 final UserHandle callingUserHandle = UserHandle.of(callingUserId); 9730 final ComponentName ownerAdmin = getOwnerComponent(packageName, callingUserId); 9731 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_MANAGED_PROFILE, 9732 callingUserHandle)) { 9733 // An admin can initiate provisioning if it has set the restriction. 9734 if (ownerAdmin == null || isAdminAffectedByRestriction(ownerAdmin, 9735 UserManager.DISALLOW_ADD_MANAGED_PROFILE, callingUserId)) { 9736 return CODE_ADD_MANAGED_PROFILE_DISALLOWED; 9737 } 9738 } 9739 boolean canRemoveProfile = true; 9740 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, 9741 callingUserHandle)) { 9742 // We can remove a profile if the admin itself has set the restriction. 9743 if (ownerAdmin == null || isAdminAffectedByRestriction(ownerAdmin, 9744 UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, 9745 callingUserId)) { 9746 canRemoveProfile = false; 9747 } 9748 } 9749 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, canRemoveProfile)) { 9750 return CODE_CANNOT_ADD_MANAGED_PROFILE; 9751 } 9752 } finally { 9753 mInjector.binderRestoreCallingIdentity(ident); 9754 } 9755 return CODE_OK; 9756 } 9757 9758 private ComponentName getOwnerComponent(String packageName, int userId) { 9759 if (isDeviceOwnerPackage(packageName, userId)) { 9760 return mOwners.getDeviceOwnerComponent(); 9761 } 9762 if (isProfileOwnerPackage(packageName, userId)) { 9763 return mOwners.getProfileOwnerComponent(userId); 9764 } 9765 return null; 9766 } 9767 9768 /** 9769 * Return device owner or profile owner set on a given user. 9770 */ 9771 private @Nullable ComponentName getOwnerComponent(int userId) { 9772 synchronized (this) { 9773 if (mOwners.getDeviceOwnerUserId() == userId) { 9774 return mOwners.getDeviceOwnerComponent(); 9775 } 9776 if (mOwners.hasProfileOwner(userId)) { 9777 return mOwners.getProfileOwnerComponent(userId); 9778 } 9779 } 9780 return null; 9781 } 9782 9783 private int checkManagedUserProvisioningPreCondition(int callingUserId) { 9784 if (!hasFeatureManagedUsers()) { 9785 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9786 } 9787 if (!mInjector.userManagerIsSplitSystemUser()) { 9788 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 9789 return CODE_NOT_SYSTEM_USER_SPLIT; 9790 } 9791 if (callingUserId == UserHandle.USER_SYSTEM) { 9792 // System user cannot be a managed user. 9793 return CODE_SYSTEM_USER; 9794 } 9795 if (hasUserSetupCompleted(callingUserId)) { 9796 return CODE_USER_SETUP_COMPLETED; 9797 } 9798 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9799 return CODE_HAS_PAIRED; 9800 } 9801 return CODE_OK; 9802 } 9803 9804 private int checkManagedShareableDeviceProvisioningPreCondition(int callingUserId) { 9805 if (!mInjector.userManagerIsSplitSystemUser()) { 9806 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 9807 return CODE_NOT_SYSTEM_USER_SPLIT; 9808 } 9809 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9810 } 9811 9812 private boolean hasFeatureManagedUsers() { 9813 try { 9814 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 9815 } catch (RemoteException e) { 9816 return false; 9817 } 9818 } 9819 9820 @Override 9821 public String getWifiMacAddress(ComponentName admin) { 9822 // Make sure caller has DO. 9823 synchronized (this) { 9824 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9825 } 9826 9827 final long ident = mInjector.binderClearCallingIdentity(); 9828 try { 9829 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 9830 if (wifiInfo == null) { 9831 return null; 9832 } 9833 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 9834 } finally { 9835 mInjector.binderRestoreCallingIdentity(ident); 9836 } 9837 } 9838 9839 /** 9840 * Returns the target sdk version number that the given packageName was built for 9841 * in the given user. 9842 */ 9843 private int getTargetSdk(String packageName, int userId) { 9844 final ApplicationInfo ai; 9845 try { 9846 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 9847 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 9848 return targetSdkVersion; 9849 } catch (RemoteException e) { 9850 // Shouldn't happen 9851 return 0; 9852 } 9853 } 9854 9855 @Override 9856 public boolean isManagedProfile(ComponentName admin) { 9857 enforceProfileOrDeviceOwner(admin); 9858 return isManagedProfile(mInjector.userHandleGetCallingUserId()); 9859 } 9860 9861 @Override 9862 public boolean isSystemOnlyUser(ComponentName admin) { 9863 synchronized (this) { 9864 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9865 } 9866 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9867 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 9868 } 9869 9870 @Override 9871 public void reboot(ComponentName admin) { 9872 Preconditions.checkNotNull(admin); 9873 // Make sure caller has DO. 9874 synchronized (this) { 9875 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9876 } 9877 long ident = mInjector.binderClearCallingIdentity(); 9878 try { 9879 // Make sure there are no ongoing calls on the device. 9880 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 9881 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 9882 } 9883 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 9884 } finally { 9885 mInjector.binderRestoreCallingIdentity(ident); 9886 } 9887 } 9888 9889 @Override 9890 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 9891 if (!mHasFeature) { 9892 return; 9893 } 9894 Preconditions.checkNotNull(who, "ComponentName is null"); 9895 final int userHandle = mInjector.userHandleGetCallingUserId(); 9896 synchronized (this) { 9897 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9898 mInjector.binderGetCallingUid()); 9899 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 9900 admin.shortSupportMessage = message; 9901 saveSettingsLocked(userHandle); 9902 } 9903 } 9904 } 9905 9906 @Override 9907 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 9908 if (!mHasFeature) { 9909 return null; 9910 } 9911 Preconditions.checkNotNull(who, "ComponentName is null"); 9912 synchronized (this) { 9913 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9914 mInjector.binderGetCallingUid()); 9915 return admin.shortSupportMessage; 9916 } 9917 } 9918 9919 @Override 9920 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 9921 if (!mHasFeature) { 9922 return; 9923 } 9924 Preconditions.checkNotNull(who, "ComponentName is null"); 9925 final int userHandle = mInjector.userHandleGetCallingUserId(); 9926 synchronized (this) { 9927 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9928 mInjector.binderGetCallingUid()); 9929 if (!TextUtils.equals(admin.longSupportMessage, message)) { 9930 admin.longSupportMessage = message; 9931 saveSettingsLocked(userHandle); 9932 } 9933 } 9934 } 9935 9936 @Override 9937 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 9938 if (!mHasFeature) { 9939 return null; 9940 } 9941 Preconditions.checkNotNull(who, "ComponentName is null"); 9942 synchronized (this) { 9943 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9944 mInjector.binderGetCallingUid()); 9945 return admin.longSupportMessage; 9946 } 9947 } 9948 9949 @Override 9950 public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9951 if (!mHasFeature) { 9952 return null; 9953 } 9954 Preconditions.checkNotNull(who, "ComponentName is null"); 9955 if (!isCallerWithSystemUid()) { 9956 throw new SecurityException("Only the system can query support message for user"); 9957 } 9958 synchronized (this) { 9959 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9960 if (admin != null) { 9961 return admin.shortSupportMessage; 9962 } 9963 } 9964 return null; 9965 } 9966 9967 @Override 9968 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9969 if (!mHasFeature) { 9970 return null; 9971 } 9972 Preconditions.checkNotNull(who, "ComponentName is null"); 9973 if (!isCallerWithSystemUid()) { 9974 throw new SecurityException("Only the system can query support message for user"); 9975 } 9976 synchronized (this) { 9977 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9978 if (admin != null) { 9979 return admin.longSupportMessage; 9980 } 9981 } 9982 return null; 9983 } 9984 9985 @Override 9986 public void setOrganizationColor(@NonNull ComponentName who, int color) { 9987 if (!mHasFeature) { 9988 return; 9989 } 9990 Preconditions.checkNotNull(who, "ComponentName is null"); 9991 final int userHandle = mInjector.userHandleGetCallingUserId(); 9992 enforceManagedProfile(userHandle, "set organization color"); 9993 synchronized (this) { 9994 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9995 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9996 admin.organizationColor = color; 9997 saveSettingsLocked(userHandle); 9998 } 9999 } 10000 10001 @Override 10002 public void setOrganizationColorForUser(int color, int userId) { 10003 if (!mHasFeature) { 10004 return; 10005 } 10006 enforceFullCrossUsersPermission(userId); 10007 enforceManageUsers(); 10008 enforceManagedProfile(userId, "set organization color"); 10009 synchronized (this) { 10010 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 10011 admin.organizationColor = color; 10012 saveSettingsLocked(userId); 10013 } 10014 } 10015 10016 @Override 10017 public int getOrganizationColor(@NonNull ComponentName who) { 10018 if (!mHasFeature) { 10019 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 10020 } 10021 Preconditions.checkNotNull(who, "ComponentName is null"); 10022 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 10023 synchronized (this) { 10024 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 10025 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10026 return admin.organizationColor; 10027 } 10028 } 10029 10030 @Override 10031 public int getOrganizationColorForUser(int userHandle) { 10032 if (!mHasFeature) { 10033 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 10034 } 10035 enforceFullCrossUsersPermission(userHandle); 10036 enforceManagedProfile(userHandle, "get organization color"); 10037 synchronized (this) { 10038 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 10039 return (profileOwner != null) 10040 ? profileOwner.organizationColor 10041 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 10042 } 10043 } 10044 10045 @Override 10046 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 10047 if (!mHasFeature) { 10048 return; 10049 } 10050 Preconditions.checkNotNull(who, "ComponentName is null"); 10051 final int userHandle = mInjector.userHandleGetCallingUserId(); 10052 10053 synchronized (this) { 10054 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 10055 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10056 if (!TextUtils.equals(admin.organizationName, text)) { 10057 admin.organizationName = (text == null || text.length() == 0) 10058 ? null : text.toString(); 10059 saveSettingsLocked(userHandle); 10060 } 10061 } 10062 } 10063 10064 @Override 10065 public CharSequence getOrganizationName(@NonNull ComponentName who) { 10066 if (!mHasFeature) { 10067 return null; 10068 } 10069 Preconditions.checkNotNull(who, "ComponentName is null"); 10070 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 10071 synchronized(this) { 10072 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 10073 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10074 return admin.organizationName; 10075 } 10076 } 10077 10078 @Override 10079 public CharSequence getDeviceOwnerOrganizationName() { 10080 if (!mHasFeature) { 10081 return null; 10082 } 10083 enforceDeviceOwnerOrManageUsers(); 10084 synchronized(this) { 10085 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 10086 return deviceOwnerAdmin == null ? null : deviceOwnerAdmin.organizationName; 10087 } 10088 } 10089 10090 @Override 10091 public CharSequence getOrganizationNameForUser(int userHandle) { 10092 if (!mHasFeature) { 10093 return null; 10094 } 10095 enforceFullCrossUsersPermission(userHandle); 10096 enforceManagedProfile(userHandle, "get organization name"); 10097 synchronized (this) { 10098 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 10099 return (profileOwner != null) 10100 ? profileOwner.organizationName 10101 : null; 10102 } 10103 } 10104 10105 @Override 10106 public void setAffiliationIds(ComponentName admin, List<String> ids) { 10107 if (!mHasFeature) { 10108 return; 10109 } 10110 if (ids == null) { 10111 throw new IllegalArgumentException("ids must not be null"); 10112 } 10113 for (String id : ids) { 10114 if (TextUtils.isEmpty(id)) { 10115 throw new IllegalArgumentException("ids must not contain empty string"); 10116 } 10117 } 10118 10119 final Set<String> affiliationIds = new ArraySet<>(ids); 10120 final int callingUserId = mInjector.userHandleGetCallingUserId(); 10121 synchronized (this) { 10122 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10123 getUserData(callingUserId).mAffiliationIds = affiliationIds; 10124 saveSettingsLocked(callingUserId); 10125 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 10126 // Affiliation ids specified by the device owner are additionally stored in 10127 // UserHandle.USER_SYSTEM's DevicePolicyData. 10128 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 10129 saveSettingsLocked(UserHandle.USER_SYSTEM); 10130 } 10131 10132 // Affiliation status for any user, not just the calling user, might have changed. 10133 // The device owner user will still be affiliated after changing its affiliation ids, 10134 // but as a result of that other users might become affiliated or un-affiliated. 10135 maybePauseDeviceWideLoggingLocked(); 10136 maybeResumeDeviceWideLoggingLocked(); 10137 maybeClearLockTaskPackagesLocked(); 10138 } 10139 } 10140 10141 @Override 10142 public List<String> getAffiliationIds(ComponentName admin) { 10143 if (!mHasFeature) { 10144 return Collections.emptyList(); 10145 } 10146 10147 Preconditions.checkNotNull(admin); 10148 synchronized (this) { 10149 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10150 return new ArrayList<String>( 10151 getUserData(mInjector.userHandleGetCallingUserId()).mAffiliationIds); 10152 } 10153 } 10154 10155 @Override 10156 public boolean isAffiliatedUser() { 10157 if (!mHasFeature) { 10158 return false; 10159 } 10160 10161 synchronized (this) { 10162 return isUserAffiliatedWithDeviceLocked(mInjector.userHandleGetCallingUserId()); 10163 } 10164 } 10165 10166 private boolean isUserAffiliatedWithDeviceLocked(int userId) { 10167 if (!mOwners.hasDeviceOwner()) { 10168 return false; 10169 } 10170 if (userId == mOwners.getDeviceOwnerUserId()) { 10171 // The user that the DO is installed on is always affiliated with the device. 10172 return true; 10173 } 10174 if (userId == UserHandle.USER_SYSTEM) { 10175 // The system user is always affiliated in a DO device, even if the DO is set on a 10176 // different user. This could be the case if the DO is set in the primary user 10177 // of a split user device. 10178 return true; 10179 } 10180 final ComponentName profileOwner = getProfileOwner(userId); 10181 if (profileOwner == null) { 10182 return false; 10183 } 10184 final Set<String> userAffiliationIds = getUserData(userId).mAffiliationIds; 10185 final Set<String> deviceAffiliationIds = 10186 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 10187 for (String id : userAffiliationIds) { 10188 if (deviceAffiliationIds.contains(id)) { 10189 return true; 10190 } 10191 } 10192 return false; 10193 } 10194 10195 private boolean areAllUsersAffiliatedWithDeviceLocked() { 10196 final long ident = mInjector.binderClearCallingIdentity(); 10197 try { 10198 final List<UserInfo> userInfos = mUserManager.getUsers(/*excludeDying=*/ true); 10199 for (int i = 0; i < userInfos.size(); i++) { 10200 int userId = userInfos.get(i).id; 10201 if (!isUserAffiliatedWithDeviceLocked(userId)) { 10202 Slog.d(LOG_TAG, "User id " + userId + " not affiliated."); 10203 return false; 10204 } 10205 } 10206 } finally { 10207 mInjector.binderRestoreCallingIdentity(ident); 10208 } 10209 10210 return true; 10211 } 10212 10213 @Override 10214 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 10215 if (!mHasFeature) { 10216 return; 10217 } 10218 Preconditions.checkNotNull(admin); 10219 10220 synchronized (this) { 10221 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10222 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 10223 return; 10224 } 10225 mInjector.securityLogSetLoggingEnabledProperty(enabled); 10226 if (enabled) { 10227 mSecurityLogMonitor.start(); 10228 maybePauseDeviceWideLoggingLocked(); 10229 } else { 10230 mSecurityLogMonitor.stop(); 10231 } 10232 } 10233 } 10234 10235 @Override 10236 public boolean isSecurityLoggingEnabled(ComponentName admin) { 10237 if (!mHasFeature) { 10238 return false; 10239 } 10240 10241 synchronized (this) { 10242 if (!isCallerWithSystemUid()) { 10243 Preconditions.checkNotNull(admin); 10244 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10245 } 10246 return mInjector.securityLogGetLoggingEnabledProperty(); 10247 } 10248 } 10249 10250 private synchronized void recordSecurityLogRetrievalTime() { 10251 final long currentTime = System.currentTimeMillis(); 10252 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 10253 if (currentTime > policyData.mLastSecurityLogRetrievalTime) { 10254 policyData.mLastSecurityLogRetrievalTime = currentTime; 10255 saveSettingsLocked(UserHandle.USER_SYSTEM); 10256 } 10257 } 10258 10259 @Override 10260 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 10261 if (!mHasFeature) { 10262 return null; 10263 } 10264 10265 Preconditions.checkNotNull(admin); 10266 ensureDeviceOwnerAndAllUsersAffiliated(admin); 10267 10268 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs) 10269 || !mInjector.securityLogGetLoggingEnabledProperty()) { 10270 return null; 10271 } 10272 10273 recordSecurityLogRetrievalTime(); 10274 10275 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 10276 try { 10277 SecurityLog.readPreviousEvents(output); 10278 return new ParceledListSlice<SecurityEvent>(output); 10279 } catch (IOException e) { 10280 Slog.w(LOG_TAG, "Fail to read previous events" , e); 10281 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 10282 } 10283 } 10284 10285 @Override 10286 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 10287 if (!mHasFeature) { 10288 return null; 10289 } 10290 10291 Preconditions.checkNotNull(admin); 10292 ensureDeviceOwnerAndAllUsersAffiliated(admin); 10293 10294 if (!mInjector.securityLogGetLoggingEnabledProperty()) { 10295 return null; 10296 } 10297 10298 recordSecurityLogRetrievalTime(); 10299 10300 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 10301 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 10302 } 10303 10304 private void enforceCanManageDeviceAdmin() { 10305 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 10306 null); 10307 } 10308 10309 private void enforceCanManageProfileAndDeviceOwners() { 10310 mContext.enforceCallingOrSelfPermission( 10311 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 10312 } 10313 10314 private void enforceCallerSystemUserHandle() { 10315 final int callingUid = mInjector.binderGetCallingUid(); 10316 final int userId = UserHandle.getUserId(callingUid); 10317 if (userId != UserHandle.USER_SYSTEM) { 10318 throw new SecurityException("Caller has to be in user 0"); 10319 } 10320 } 10321 10322 @Override 10323 public boolean isUninstallInQueue(final String packageName) { 10324 enforceCanManageDeviceAdmin(); 10325 final int userId = mInjector.userHandleGetCallingUserId(); 10326 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10327 synchronized (this) { 10328 return mPackagesToRemove.contains(packageUserPair); 10329 } 10330 } 10331 10332 @Override 10333 public void uninstallPackageWithActiveAdmins(final String packageName) { 10334 enforceCanManageDeviceAdmin(); 10335 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 10336 10337 final int userId = mInjector.userHandleGetCallingUserId(); 10338 10339 enforceUserUnlocked(userId); 10340 10341 final ComponentName profileOwner = getProfileOwner(userId); 10342 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 10343 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 10344 } 10345 10346 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 10347 if (getDeviceOwnerUserId() == userId && deviceOwner != null 10348 && packageName.equals(deviceOwner.getPackageName())) { 10349 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 10350 } 10351 10352 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10353 synchronized (this) { 10354 mPackagesToRemove.add(packageUserPair); 10355 } 10356 10357 // All active admins on the user. 10358 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 10359 10360 // Active admins in the target package. 10361 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 10362 if (allActiveAdmins != null) { 10363 for (ComponentName activeAdmin : allActiveAdmins) { 10364 if (packageName.equals(activeAdmin.getPackageName())) { 10365 packageActiveAdmins.add(activeAdmin); 10366 removeActiveAdmin(activeAdmin, userId); 10367 } 10368 } 10369 } 10370 if (packageActiveAdmins.size() == 0) { 10371 startUninstallIntent(packageName, userId); 10372 } else { 10373 mHandler.postDelayed(new Runnable() { 10374 @Override 10375 public void run() { 10376 for (ComponentName activeAdmin : packageActiveAdmins) { 10377 removeAdminArtifacts(activeAdmin, userId); 10378 } 10379 startUninstallIntent(packageName, userId); 10380 } 10381 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 10382 } 10383 } 10384 10385 @Override 10386 public boolean isDeviceProvisioned() { 10387 synchronized (this) { 10388 return getUserDataUnchecked(UserHandle.USER_SYSTEM).mUserSetupComplete; 10389 } 10390 } 10391 10392 private void removePackageIfRequired(final String packageName, final int userId) { 10393 if (!packageHasActiveAdmins(packageName, userId)) { 10394 // Will not do anything if uninstall was not requested or was already started. 10395 startUninstallIntent(packageName, userId); 10396 } 10397 } 10398 10399 private void startUninstallIntent(final String packageName, final int userId) { 10400 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10401 synchronized (this) { 10402 if (!mPackagesToRemove.contains(packageUserPair)) { 10403 // Do nothing if uninstall was not requested or was already started. 10404 return; 10405 } 10406 mPackagesToRemove.remove(packageUserPair); 10407 } 10408 try { 10409 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 10410 // Package does not exist. Nothing to do. 10411 return; 10412 } 10413 } catch (RemoteException re) { 10414 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 10415 } 10416 10417 try { // force stop the package before uninstalling 10418 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 10419 } catch (RemoteException re) { 10420 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 10421 } 10422 final Uri packageURI = Uri.parse("package:" + packageName); 10423 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 10424 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 10425 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 10426 } 10427 10428 /** 10429 * Removes the admin from the policy. Ideally called after the admin's 10430 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 10431 * 10432 * @param adminReceiver The admin to remove 10433 * @param userHandle The user for which this admin has to be removed. 10434 */ 10435 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 10436 synchronized (this) { 10437 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 10438 if (admin == null) { 10439 return; 10440 } 10441 final DevicePolicyData policy = getUserData(userHandle); 10442 final boolean doProxyCleanup = admin.info.usesPolicy( 10443 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 10444 policy.mAdminList.remove(admin); 10445 policy.mAdminMap.remove(adminReceiver); 10446 validatePasswordOwnerLocked(policy); 10447 if (doProxyCleanup) { 10448 resetGlobalProxyLocked(policy); 10449 } 10450 saveSettingsLocked(userHandle); 10451 updateMaximumTimeToLockLocked(userHandle); 10452 policy.mRemovingAdmins.remove(adminReceiver); 10453 10454 Slog.i(LOG_TAG, "Device admin " + adminReceiver + " removed from user " + userHandle); 10455 } 10456 // The removed admin might have disabled camera, so update user 10457 // restrictions. 10458 pushUserRestrictions(userHandle); 10459 } 10460 10461 @Override 10462 public void setDeviceProvisioningConfigApplied() { 10463 enforceManageUsers(); 10464 synchronized (this) { 10465 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 10466 policy.mDeviceProvisioningConfigApplied = true; 10467 saveSettingsLocked(UserHandle.USER_SYSTEM); 10468 } 10469 } 10470 10471 @Override 10472 public boolean isDeviceProvisioningConfigApplied() { 10473 enforceManageUsers(); 10474 synchronized (this) { 10475 final DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 10476 return policy.mDeviceProvisioningConfigApplied; 10477 } 10478 } 10479 10480 /** 10481 * Force update internal persistent state from Settings.Secure.USER_SETUP_COMPLETE. 10482 * 10483 * It's added for testing only. Please use this API carefully if it's used by other system app 10484 * and bare in mind Settings.Secure.USER_SETUP_COMPLETE can be modified by user and other system 10485 * apps. 10486 */ 10487 @Override 10488 public void forceUpdateUserSetupComplete() { 10489 enforceCanManageProfileAndDeviceOwners(); 10490 enforceCallerSystemUserHandle(); 10491 // no effect if it's called from user build 10492 if (!mInjector.isBuildDebuggable()) { 10493 return; 10494 } 10495 final int userId = UserHandle.USER_SYSTEM; 10496 boolean isUserCompleted = mInjector.settingsSecureGetIntForUser( 10497 Settings.Secure.USER_SETUP_COMPLETE, 0, userId) != 0; 10498 DevicePolicyData policy = getUserData(userId); 10499 policy.mUserSetupComplete = isUserCompleted; 10500 synchronized (this) { 10501 saveSettingsLocked(userId); 10502 } 10503 } 10504 10505 // TODO(b/22388012): When backup is available for secondary users and profiles, consider 10506 // whether there are any privacy/security implications of enabling the backup service here 10507 // if there are other users or profiles unmanaged or managed by a different entity (i.e. not 10508 // affiliated). 10509 @Override 10510 public void setBackupServiceEnabled(ComponentName admin, boolean enabled) { 10511 if (!mHasFeature) { 10512 return; 10513 } 10514 Preconditions.checkNotNull(admin); 10515 synchronized (this) { 10516 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10517 } 10518 10519 final long ident = mInjector.binderClearCallingIdentity(); 10520 try { 10521 IBackupManager ibm = mInjector.getIBackupManager(); 10522 if (ibm != null) { 10523 ibm.setBackupServiceActive(UserHandle.USER_SYSTEM, enabled); 10524 } 10525 } catch (RemoteException e) { 10526 throw new IllegalStateException( 10527 "Failed " + (enabled ? "" : "de") + "activating backup service.", e); 10528 } finally { 10529 mInjector.binderRestoreCallingIdentity(ident); 10530 } 10531 } 10532 10533 @Override 10534 public boolean isBackupServiceEnabled(ComponentName admin) { 10535 Preconditions.checkNotNull(admin); 10536 if (!mHasFeature) { 10537 return true; 10538 } 10539 synchronized (this) { 10540 try { 10541 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10542 IBackupManager ibm = mInjector.getIBackupManager(); 10543 return ibm != null && ibm.isBackupServiceActive(UserHandle.USER_SYSTEM); 10544 } catch (RemoteException e) { 10545 throw new IllegalStateException("Failed requesting backup service state.", e); 10546 } 10547 } 10548 } 10549 10550 @Override 10551 public boolean bindDeviceAdminServiceAsUser( 10552 @NonNull ComponentName admin, @NonNull IApplicationThread caller, 10553 @Nullable IBinder activtiyToken, @NonNull Intent serviceIntent, 10554 @NonNull IServiceConnection connection, int flags, @UserIdInt int targetUserId) { 10555 if (!mHasFeature) { 10556 return false; 10557 } 10558 Preconditions.checkNotNull(admin); 10559 Preconditions.checkNotNull(caller); 10560 Preconditions.checkNotNull(serviceIntent); 10561 Preconditions.checkArgument( 10562 serviceIntent.getComponent() != null || serviceIntent.getPackage() != null, 10563 "Service intent must be explicit (with a package name or component): " 10564 + serviceIntent); 10565 Preconditions.checkNotNull(connection); 10566 Preconditions.checkArgument(mInjector.userHandleGetCallingUserId() != targetUserId, 10567 "target user id must be different from the calling user id"); 10568 10569 if (!getBindDeviceAdminTargetUsers(admin).contains(UserHandle.of(targetUserId))) { 10570 throw new SecurityException("Not allowed to bind to target user id"); 10571 } 10572 10573 final String targetPackage; 10574 synchronized (this) { 10575 targetPackage = getOwnerPackageNameForUserLocked(targetUserId); 10576 } 10577 10578 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10579 try { 10580 // Validate and sanitize the incoming service intent. 10581 final Intent sanitizedIntent = 10582 createCrossUserServiceIntent(serviceIntent, targetPackage, targetUserId); 10583 if (sanitizedIntent == null) { 10584 // Fail, cannot lookup the target service. 10585 return false; 10586 } 10587 // Ask ActivityManager to bind it. Notice that we are binding the service with the 10588 // caller app instead of DevicePolicyManagerService. 10589 return mInjector.getIActivityManager().bindService( 10590 caller, activtiyToken, serviceIntent, 10591 serviceIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 10592 connection, flags, mContext.getOpPackageName(), 10593 targetUserId) != 0; 10594 } catch (RemoteException ex) { 10595 // Same process, should not happen. 10596 } finally { 10597 mInjector.binderRestoreCallingIdentity(callingIdentity); 10598 } 10599 10600 // Failed to bind. 10601 return false; 10602 } 10603 10604 @Override 10605 public @NonNull List<UserHandle> getBindDeviceAdminTargetUsers(@NonNull ComponentName admin) { 10606 if (!mHasFeature) { 10607 return Collections.emptyList(); 10608 } 10609 Preconditions.checkNotNull(admin); 10610 10611 synchronized (this) { 10612 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10613 10614 final int callingUserId = mInjector.userHandleGetCallingUserId(); 10615 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10616 try { 10617 ArrayList<UserHandle> targetUsers = new ArrayList<>(); 10618 if (!isDeviceOwner(admin, callingUserId)) { 10619 // Profile owners can only bind to the device owner. 10620 if (canUserBindToDeviceOwnerLocked(callingUserId)) { 10621 targetUsers.add(UserHandle.of(mOwners.getDeviceOwnerUserId())); 10622 } 10623 } else { 10624 // Caller is the device owner: Look for profile owners that it can bind to. 10625 final List<UserInfo> userInfos = mUserManager.getUsers(/*excludeDying=*/ true); 10626 for (int i = 0; i < userInfos.size(); i++) { 10627 final int userId = userInfos.get(i).id; 10628 if (userId != callingUserId && canUserBindToDeviceOwnerLocked(userId)) { 10629 targetUsers.add(UserHandle.of(userId)); 10630 } 10631 } 10632 } 10633 10634 return targetUsers; 10635 } finally { 10636 mInjector.binderRestoreCallingIdentity(callingIdentity); 10637 } 10638 } 10639 } 10640 10641 private boolean canUserBindToDeviceOwnerLocked(int userId) { 10642 // There has to be a device owner, under another user id. 10643 if (!mOwners.hasDeviceOwner() || userId == mOwners.getDeviceOwnerUserId()) { 10644 return false; 10645 } 10646 10647 // The user must have a profile owner that belongs to the same package as the device owner. 10648 if (!mOwners.hasProfileOwner(userId) || !TextUtils.equals( 10649 mOwners.getDeviceOwnerPackageName(), mOwners.getProfileOwnerPackage(userId))) { 10650 return false; 10651 } 10652 10653 // The user must be affiliated. 10654 return isUserAffiliatedWithDeviceLocked(userId); 10655 } 10656 10657 /** 10658 * Return true if a given user has any accounts that'll prevent installing a device or profile 10659 * owner {@code owner}. 10660 * - If the user has no accounts, then return false. 10661 * - Otherwise, if the owner is unknown (== null), or is not test-only, then return true. 10662 * - Otherwise, if there's any account that does not have ..._ALLOWED, or does have 10663 * ..._DISALLOWED, return true. 10664 * - Otherwise return false. 10665 * 10666 * If the caller is *not* ADB, it also returns true. The returned value shouldn't be used 10667 * when the caller is not ADB. 10668 * 10669 * DO NOT CALL IT WITH THE DPMS LOCK HELD. 10670 */ 10671 private boolean hasIncompatibleAccountsOrNonAdbNoLock( 10672 int userId, @Nullable ComponentName owner) { 10673 if (!isAdb()) { 10674 return true; 10675 } 10676 wtfIfInLock(); 10677 10678 final long token = mInjector.binderClearCallingIdentity(); 10679 try { 10680 final AccountManager am = AccountManager.get(mContext); 10681 final Account accounts[] = am.getAccountsAsUser(userId); 10682 if (accounts.length == 0) { 10683 return false; 10684 } 10685 synchronized (this) { 10686 if (owner == null || !isAdminTestOnlyLocked(owner, userId)) { 10687 Log.w(LOG_TAG, 10688 "Non test-only owner can't be installed with existing accounts."); 10689 return true; 10690 } 10691 } 10692 10693 final String[] feature_allow = 10694 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_ALLOWED }; 10695 final String[] feature_disallow = 10696 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_DISALLOWED }; 10697 10698 boolean compatible = true; 10699 for (Account account : accounts) { 10700 if (hasAccountFeatures(am, account, feature_disallow)) { 10701 Log.e(LOG_TAG, account + " has " + feature_disallow[0]); 10702 compatible = false; 10703 break; 10704 } 10705 if (!hasAccountFeatures(am, account, feature_allow)) { 10706 Log.e(LOG_TAG, account + " doesn't have " + feature_allow[0]); 10707 compatible = false; 10708 break; 10709 } 10710 } 10711 if (compatible) { 10712 Log.w(LOG_TAG, "All accounts are compatible"); 10713 } else { 10714 Log.e(LOG_TAG, "Found incompatible accounts"); 10715 } 10716 return !compatible; 10717 } finally { 10718 mInjector.binderRestoreCallingIdentity(token); 10719 } 10720 } 10721 10722 private boolean hasAccountFeatures(AccountManager am, Account account, String[] features) { 10723 try { 10724 return am.hasFeatures(account, features, null, null).getResult(); 10725 } catch (Exception e) { 10726 Log.w(LOG_TAG, "Failed to get account feature", e); 10727 return false; 10728 } 10729 } 10730 10731 private boolean isAdb() { 10732 final int callingUid = mInjector.binderGetCallingUid(); 10733 return callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 10734 } 10735 10736 @Override 10737 public synchronized void setNetworkLoggingEnabled(ComponentName admin, boolean enabled) { 10738 if (!mHasFeature) { 10739 return; 10740 } 10741 Preconditions.checkNotNull(admin); 10742 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10743 10744 if (enabled == isNetworkLoggingEnabledInternalLocked()) { 10745 // already in the requested state 10746 return; 10747 } 10748 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10749 deviceOwner.isNetworkLoggingEnabled = enabled; 10750 if (!enabled) { 10751 deviceOwner.numNetworkLoggingNotifications = 0; 10752 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10753 } 10754 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 10755 10756 setNetworkLoggingActiveInternal(enabled); 10757 } 10758 10759 private synchronized void setNetworkLoggingActiveInternal(boolean active) { 10760 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10761 try { 10762 if (active) { 10763 mNetworkLogger = new NetworkLogger(this, mInjector.getPackageManagerInternal()); 10764 if (!mNetworkLogger.startNetworkLogging()) { 10765 mNetworkLogger = null; 10766 Slog.wtf(LOG_TAG, "Network logging could not be started due to the logging" 10767 + " service not being available yet."); 10768 } 10769 maybePauseDeviceWideLoggingLocked(); 10770 sendNetworkLoggingNotificationLocked(); 10771 } else { 10772 if (mNetworkLogger != null && !mNetworkLogger.stopNetworkLogging()) { 10773 Slog.wtf(LOG_TAG, "Network logging could not be stopped due to the logging" 10774 + " service not being available yet."); 10775 } 10776 mNetworkLogger = null; 10777 mInjector.getNotificationManager().cancel(SystemMessage.NOTE_NETWORK_LOGGING); 10778 } 10779 } finally { 10780 mInjector.binderRestoreCallingIdentity(callingIdentity); 10781 } 10782 } 10783 10784 /** Pauses security and network logging if there are unaffiliated users on the device */ 10785 private void maybePauseDeviceWideLoggingLocked() { 10786 if (!areAllUsersAffiliatedWithDeviceLocked()) { 10787 Slog.i(LOG_TAG, "There are unaffiliated users, security and network logging will be " 10788 + "paused if enabled."); 10789 mSecurityLogMonitor.pause(); 10790 if (mNetworkLogger != null) { 10791 mNetworkLogger.pause(); 10792 } 10793 } 10794 } 10795 10796 /** Resumes security and network logging (if they are enabled) if all users are affiliated */ 10797 private void maybeResumeDeviceWideLoggingLocked() { 10798 if (areAllUsersAffiliatedWithDeviceLocked()) { 10799 final long ident = mInjector.binderClearCallingIdentity(); 10800 try { 10801 mSecurityLogMonitor.resume(); 10802 if (mNetworkLogger != null) { 10803 mNetworkLogger.resume(); 10804 } 10805 } finally { 10806 mInjector.binderRestoreCallingIdentity(ident); 10807 } 10808 } 10809 } 10810 10811 /** Deletes any security and network logs that might have been collected so far */ 10812 private void discardDeviceWideLogsLocked() { 10813 mSecurityLogMonitor.discardLogs(); 10814 if (mNetworkLogger != null) { 10815 mNetworkLogger.discardLogs(); 10816 } 10817 // TODO: We should discard pre-boot security logs here too, as otherwise those 10818 // logs (which might contain data from the user just removed) will be 10819 // available after next boot. 10820 } 10821 10822 @Override 10823 public boolean isNetworkLoggingEnabled(ComponentName admin) { 10824 if (!mHasFeature) { 10825 return false; 10826 } 10827 synchronized (this) { 10828 enforceDeviceOwnerOrManageUsers(); 10829 return isNetworkLoggingEnabledInternalLocked(); 10830 } 10831 } 10832 10833 private boolean isNetworkLoggingEnabledInternalLocked() { 10834 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10835 return (deviceOwner != null) && deviceOwner.isNetworkLoggingEnabled; 10836 } 10837 10838 /* 10839 * A maximum of 1200 events are returned, and the total marshalled size is in the order of 10840 * 100kB, so returning a List instead of ParceledListSlice is acceptable. 10841 * Ideally this would be done with ParceledList, however it only supports homogeneous types. 10842 * 10843 * @see NetworkLoggingHandler#MAX_EVENTS_PER_BATCH 10844 */ 10845 @Override 10846 public List<NetworkEvent> retrieveNetworkLogs(ComponentName admin, long batchToken) { 10847 if (!mHasFeature) { 10848 return null; 10849 } 10850 Preconditions.checkNotNull(admin); 10851 ensureDeviceOwnerAndAllUsersAffiliated(admin); 10852 10853 synchronized (this) { 10854 if (mNetworkLogger == null 10855 || !isNetworkLoggingEnabledInternalLocked()) { 10856 return null; 10857 } 10858 10859 final long currentTime = System.currentTimeMillis(); 10860 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 10861 if (currentTime > policyData.mLastNetworkLogsRetrievalTime) { 10862 policyData.mLastNetworkLogsRetrievalTime = currentTime; 10863 saveSettingsLocked(UserHandle.USER_SYSTEM); 10864 } 10865 return mNetworkLogger.retrieveLogs(batchToken); 10866 } 10867 } 10868 10869 private void sendNetworkLoggingNotificationLocked() { 10870 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10871 if (deviceOwner == null || !deviceOwner.isNetworkLoggingEnabled) { 10872 return; 10873 } 10874 if (deviceOwner.numNetworkLoggingNotifications >= 10875 ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10876 return; 10877 } 10878 final long now = System.currentTimeMillis(); 10879 if (now - deviceOwner.lastNetworkLoggingNotificationTimeMs < MS_PER_DAY) { 10880 return; 10881 } 10882 deviceOwner.numNetworkLoggingNotifications++; 10883 if (deviceOwner.numNetworkLoggingNotifications 10884 >= ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10885 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10886 } else { 10887 deviceOwner.lastNetworkLoggingNotificationTimeMs = now; 10888 } 10889 final Intent intent = new Intent(DevicePolicyManager.ACTION_SHOW_DEVICE_MONITORING_DIALOG); 10890 intent.setPackage("com.android.systemui"); 10891 final PendingIntent pendingIntent = PendingIntent.getBroadcastAsUser(mContext, 0, intent, 0, 10892 UserHandle.CURRENT); 10893 Notification notification = 10894 new Notification.Builder(mContext, SystemNotificationChannels.DEVICE_ADMIN) 10895 .setSmallIcon(R.drawable.ic_info_outline) 10896 .setContentTitle(mContext.getString(R.string.network_logging_notification_title)) 10897 .setContentText(mContext.getString(R.string.network_logging_notification_text)) 10898 .setTicker(mContext.getString(R.string.network_logging_notification_title)) 10899 .setShowWhen(true) 10900 .setContentIntent(pendingIntent) 10901 .setStyle(new Notification.BigTextStyle() 10902 .bigText(mContext.getString(R.string.network_logging_notification_text))) 10903 .build(); 10904 mInjector.getNotificationManager().notify(SystemMessage.NOTE_NETWORK_LOGGING, notification); 10905 saveSettingsLocked(mOwners.getDeviceOwnerUserId()); 10906 } 10907 10908 /** 10909 * Return the package name of owner in a given user. 10910 */ 10911 private String getOwnerPackageNameForUserLocked(int userId) { 10912 return mOwners.getDeviceOwnerUserId() == userId 10913 ? mOwners.getDeviceOwnerPackageName() 10914 : mOwners.getProfileOwnerPackage(userId); 10915 } 10916 10917 /** 10918 * @param rawIntent Original service intent specified by caller. It must be explicit. 10919 * @param expectedPackageName The expected package name of the resolved service. 10920 * @return Intent that have component explicitly set. {@code null} if no service is resolved 10921 * with the given intent. 10922 * @throws SecurityException if the intent is resolved to an invalid service. 10923 */ 10924 private Intent createCrossUserServiceIntent( 10925 @NonNull Intent rawIntent, @NonNull String expectedPackageName, 10926 @UserIdInt int targetUserId) throws RemoteException, SecurityException { 10927 ResolveInfo info = mIPackageManager.resolveService( 10928 rawIntent, 10929 rawIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 10930 0, // flags 10931 targetUserId); 10932 if (info == null || info.serviceInfo == null) { 10933 Log.e(LOG_TAG, "Fail to look up the service: " + rawIntent 10934 + " or user " + targetUserId + " is not running"); 10935 return null; 10936 } 10937 if (!expectedPackageName.equals(info.serviceInfo.packageName)) { 10938 throw new SecurityException("Only allow to bind service in " + expectedPackageName); 10939 } 10940 // STOPSHIP(b/37624960): Remove info.serviceInfo.exported before release. 10941 if (info.serviceInfo.exported && !BIND_DEVICE_ADMIN.equals(info.serviceInfo.permission)) { 10942 throw new SecurityException( 10943 "Service must be protected by BIND_DEVICE_ADMIN permission"); 10944 } 10945 // It is the system server to bind the service, it would be extremely dangerous if it 10946 // can be exploited to bind any service. Set the component explicitly to make sure we 10947 // do not bind anything accidentally. 10948 rawIntent.setComponent(info.serviceInfo.getComponentName()); 10949 return rawIntent; 10950 } 10951 10952 @Override 10953 public long getLastSecurityLogRetrievalTime() { 10954 enforceDeviceOwnerOrManageUsers(); 10955 return getUserData(UserHandle.USER_SYSTEM).mLastSecurityLogRetrievalTime; 10956 } 10957 10958 @Override 10959 public long getLastBugReportRequestTime() { 10960 enforceDeviceOwnerOrManageUsers(); 10961 return getUserData(UserHandle.USER_SYSTEM).mLastBugReportRequestTime; 10962 } 10963 10964 @Override 10965 public long getLastNetworkLogRetrievalTime() { 10966 enforceDeviceOwnerOrManageUsers(); 10967 return getUserData(UserHandle.USER_SYSTEM).mLastNetworkLogsRetrievalTime; 10968 } 10969 10970 @Override 10971 public boolean setResetPasswordToken(ComponentName admin, byte[] token) { 10972 if (!mHasFeature) { 10973 return false; 10974 } 10975 if (token == null || token.length < 32) { 10976 throw new IllegalArgumentException("token must be at least 32-byte long"); 10977 } 10978 synchronized (this) { 10979 final int userHandle = mInjector.userHandleGetCallingUserId(); 10980 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10981 10982 DevicePolicyData policy = getUserData(userHandle); 10983 long ident = mInjector.binderClearCallingIdentity(); 10984 try { 10985 if (policy.mPasswordTokenHandle != 0) { 10986 mLockPatternUtils.removeEscrowToken(policy.mPasswordTokenHandle, userHandle); 10987 } 10988 10989 policy.mPasswordTokenHandle = mLockPatternUtils.addEscrowToken(token, userHandle); 10990 saveSettingsLocked(userHandle); 10991 return policy.mPasswordTokenHandle != 0; 10992 } finally { 10993 mInjector.binderRestoreCallingIdentity(ident); 10994 } 10995 } 10996 } 10997 10998 @Override 10999 public boolean clearResetPasswordToken(ComponentName admin) { 11000 if (!mHasFeature) { 11001 return false; 11002 } 11003 synchronized (this) { 11004 final int userHandle = mInjector.userHandleGetCallingUserId(); 11005 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 11006 11007 DevicePolicyData policy = getUserData(userHandle); 11008 if (policy.mPasswordTokenHandle != 0) { 11009 long ident = mInjector.binderClearCallingIdentity(); 11010 try { 11011 boolean result = mLockPatternUtils.removeEscrowToken( 11012 policy.mPasswordTokenHandle, userHandle); 11013 policy.mPasswordTokenHandle = 0; 11014 saveSettingsLocked(userHandle); 11015 return result; 11016 } finally { 11017 mInjector.binderRestoreCallingIdentity(ident); 11018 } 11019 } 11020 } 11021 return false; 11022 } 11023 11024 @Override 11025 public boolean isResetPasswordTokenActive(ComponentName admin) { 11026 synchronized (this) { 11027 final int userHandle = mInjector.userHandleGetCallingUserId(); 11028 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 11029 11030 DevicePolicyData policy = getUserData(userHandle); 11031 if (policy.mPasswordTokenHandle != 0) { 11032 long ident = mInjector.binderClearCallingIdentity(); 11033 try { 11034 return mLockPatternUtils.isEscrowTokenActive(policy.mPasswordTokenHandle, 11035 userHandle); 11036 } finally { 11037 mInjector.binderRestoreCallingIdentity(ident); 11038 } 11039 } 11040 } 11041 return false; 11042 } 11043 11044 @Override 11045 public boolean resetPasswordWithToken(ComponentName admin, String passwordOrNull, byte[] token, 11046 int flags) { 11047 Preconditions.checkNotNull(token); 11048 synchronized (this) { 11049 final int userHandle = mInjector.userHandleGetCallingUserId(); 11050 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 11051 11052 DevicePolicyData policy = getUserData(userHandle); 11053 if (policy.mPasswordTokenHandle != 0) { 11054 final String password = passwordOrNull != null ? passwordOrNull : ""; 11055 return resetPasswordInternal(password, policy.mPasswordTokenHandle, token, 11056 flags, mInjector.binderGetCallingUid(), userHandle); 11057 } else { 11058 Slog.w(LOG_TAG, "No saved token handle"); 11059 } 11060 } 11061 return false; 11062 } 11063 11064 @Override 11065 public boolean isCurrentInputMethodSetByOwner() { 11066 enforceProfileOwnerOrSystemUser(); 11067 return getUserData(mInjector.userHandleGetCallingUserId()).mCurrentInputMethodSet; 11068 } 11069 11070 @Override 11071 public StringParceledListSlice getOwnerInstalledCaCerts(@NonNull UserHandle user) { 11072 final int userId = user.getIdentifier(); 11073 enforceProfileOwnerOrFullCrossUsersPermission(userId); 11074 synchronized (this) { 11075 return new StringParceledListSlice( 11076 new ArrayList<>(getUserData(userId).mOwnerInstalledCaCerts)); 11077 } 11078 } 11079} 11080