DevicePolicyManagerService.java revision fabfcb05281be6841799d2e31cf9c89cc39ef79b
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.provider.Settings.Global; 145import android.security.IKeyChainAliasCallback; 146import android.security.IKeyChainService; 147import android.security.KeyChain; 148import android.security.KeyChain.KeyChainConnection; 149import android.service.persistentdata.PersistentDataBlockManager; 150import android.telephony.TelephonyManager; 151import android.text.TextUtils; 152import android.util.ArrayMap; 153import android.util.ArraySet; 154import android.util.Log; 155import android.util.Pair; 156import android.util.Slog; 157import android.util.SparseArray; 158import android.util.Xml; 159import android.view.IWindowManager; 160import android.view.accessibility.AccessibilityManager; 161import android.view.accessibility.IAccessibilityManager; 162import android.view.inputmethod.InputMethodInfo; 163import android.view.inputmethod.InputMethodManager; 164 165import com.android.internal.R; 166import com.android.internal.annotations.GuardedBy; 167import com.android.internal.annotations.VisibleForTesting; 168import com.android.internal.logging.MetricsLogger; 169import com.android.internal.messages.nano.SystemMessageProto.SystemMessage; 170import com.android.internal.notification.SystemNotificationChannels; 171import com.android.internal.os.BackgroundThread; 172import com.android.internal.statusbar.IStatusBarService; 173import com.android.internal.util.DumpUtils; 174import com.android.internal.util.FastXmlSerializer; 175import com.android.internal.util.JournaledFile; 176import com.android.internal.util.Preconditions; 177import com.android.internal.util.XmlUtils; 178import com.android.internal.widget.LockPatternUtils; 179import com.android.server.LocalServices; 180import com.android.server.SystemService; 181import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 182import com.android.server.pm.UserRestrictionsUtils; 183import com.google.android.collect.Sets; 184 185import org.xmlpull.v1.XmlPullParser; 186import org.xmlpull.v1.XmlPullParserException; 187import org.xmlpull.v1.XmlSerializer; 188 189import java.io.File; 190import java.io.FileDescriptor; 191import java.io.FileInputStream; 192import java.io.FileNotFoundException; 193import java.io.FileOutputStream; 194import java.io.IOException; 195import java.io.PrintWriter; 196import java.nio.charset.StandardCharsets; 197import java.text.DateFormat; 198import java.util.ArrayList; 199import java.util.Arrays; 200import java.util.Collection; 201import java.util.Collections; 202import java.util.Date; 203import java.util.List; 204import java.util.Map.Entry; 205import java.util.Set; 206import java.util.concurrent.TimeUnit; 207import java.util.concurrent.atomic.AtomicBoolean; 208 209/** 210 * Implementation of the device policy APIs. 211 */ 212public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 213 214 protected static final String LOG_TAG = "DevicePolicyManager"; 215 216 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 217 218 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 219 220 private static final String TAG_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; 221 222 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 223 224 private static final String TAG_STATUS_BAR = "statusbar"; 225 226 private static final String ATTR_DISABLED = "disabled"; 227 228 private static final String ATTR_NAME = "name"; 229 230 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 231 "do-not-ask-credentials-on-boot"; 232 233 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 234 235 private static final String TAG_LAST_SECURITY_LOG_RETRIEVAL = "last-security-log-retrieval"; 236 237 private static final String TAG_LAST_BUG_REPORT_REQUEST = "last-bug-report-request"; 238 239 private static final String TAG_LAST_NETWORK_LOG_RETRIEVAL = "last-network-log-retrieval"; 240 241 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 242 243 private static final String TAG_CURRENT_INPUT_METHOD_SET = "current-ime-set"; 244 245 private static final String TAG_OWNER_INSTALLED_CA_CERT = "owner-installed-ca-cert"; 246 247 private static final String ATTR_ID = "id"; 248 249 private static final String ATTR_VALUE = "value"; 250 251 private static final String ATTR_ALIAS = "alias"; 252 253 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 254 255 private static final String TAG_PASSWORD_TOKEN_HANDLE = "password-token"; 256 257 private static final String TAG_PASSWORD_VALIDITY = "password-validity"; 258 259 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 260 261 private static final long MS_PER_DAY = TimeUnit.DAYS.toMillis(1); 262 263 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 264 265 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 266 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 267 268 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 269 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 270 private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; 271 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 272 private static final String ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED = 273 "device-provisioning-config-applied"; 274 private static final String ATTR_DEVICE_PAIRED = "device-paired"; 275 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 276 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 277 = "application-restrictions-manager"; 278 279 // Comprehensive list of delegations. 280 private static final String DELEGATIONS[] = { 281 DELEGATION_CERT_INSTALL, 282 DELEGATION_APP_RESTRICTIONS, 283 DELEGATION_BLOCK_UNINSTALL, 284 DELEGATION_ENABLE_SYSTEM_APP, 285 DELEGATION_KEEP_UNINSTALLED_PACKAGES, 286 DELEGATION_PACKAGE_ACCESS, 287 DELEGATION_PERMISSION_GRANT 288 }; 289 290 /** 291 * System property whose value is either "true" or "false", indicating whether 292 * device owner is present. 293 */ 294 private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; 295 296 private static final int STATUS_BAR_DISABLE_MASK = 297 StatusBarManager.DISABLE_EXPAND | 298 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 299 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 300 StatusBarManager.DISABLE_SEARCH; 301 302 private static final int STATUS_BAR_DISABLE2_MASK = 303 StatusBarManager.DISABLE2_QUICK_SETTINGS; 304 305 private static final Set<String> SECURE_SETTINGS_WHITELIST; 306 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 307 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 308 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 309 static { 310 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 311 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 312 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 313 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 314 315 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 316 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 317 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 318 319 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 320 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 321 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 322 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 323 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 324 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 325 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 326 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 327 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 328 329 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 330 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 331 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 332 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 333 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 334 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 335 } 336 337 /** 338 * Keyguard features that when set on a profile affect the profile content or challenge only. 339 * These cannot be set on the managed profile's parent DPM instance 340 */ 341 private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = 342 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 343 344 /** Keyguard features that are allowed to be set on a managed profile */ 345 private static final int PROFILE_KEYGUARD_FEATURES = 346 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; 347 348 private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; 349 350 /** 351 * Minimum timeout in milliseconds after which unlocking with weak auth times out, 352 * i.e. the user has to use a strong authentication method like password, PIN or pattern. 353 */ 354 private static final long MINIMUM_STRONG_AUTH_TIMEOUT_MS = TimeUnit.HOURS.toMillis(1); 355 356 /** 357 * Strings logged with {@link 358 * com.android.internal.logging.nano.MetricsProto.MetricsEvent#PROVISIONING_ENTRY_POINT_ADB}. 359 */ 360 private static final String LOG_TAG_PROFILE_OWNER = "profile-owner"; 361 private static final String LOG_TAG_DEVICE_OWNER = "device-owner"; 362 363 final Context mContext; 364 final Injector mInjector; 365 final IPackageManager mIPackageManager; 366 final UserManager mUserManager; 367 final UserManagerInternal mUserManagerInternal; 368 final TelephonyManager mTelephonyManager; 369 private final LockPatternUtils mLockPatternUtils; 370 private final DevicePolicyConstants mConstants; 371 private final DeviceAdminServiceController mDeviceAdminServiceController; 372 373 /** 374 * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p 375 * is requested for user u. 376 */ 377 private final Set<Pair<String, Integer>> mPackagesToRemove = 378 new ArraySet<Pair<String, Integer>>(); 379 380 final LocalService mLocalService; 381 382 // Stores and loads state on device and profile owners. 383 @VisibleForTesting 384 final Owners mOwners; 385 386 private final Binder mToken = new Binder(); 387 388 /** 389 * Whether or not device admin feature is supported. If it isn't return defaults for all 390 * public methods. 391 */ 392 boolean mHasFeature; 393 394 /** 395 * Whether or not this device is a watch. 396 */ 397 boolean mIsWatch; 398 399 private final CertificateMonitor mCertificateMonitor; 400 private final SecurityLogMonitor mSecurityLogMonitor; 401 private NetworkLogger mNetworkLogger; 402 403 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 404 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 405 406 private SetupContentObserver mSetupContentObserver; 407 408 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 409 @Override 410 public void run() { 411 if(mRemoteBugreportServiceIsActive.get()) { 412 onBugreportFailed(); 413 } 414 } 415 }; 416 417 /** Listens only if mHasFeature == true. */ 418 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 419 420 @Override 421 public void onReceive(Context context, Intent intent) { 422 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 423 && mRemoteBugreportServiceIsActive.get()) { 424 onBugreportFinished(intent); 425 } 426 } 427 }; 428 429 /** Listens only if mHasFeature == true. */ 430 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 431 432 @Override 433 public void onReceive(Context context, Intent intent) { 434 String action = intent.getAction(); 435 mInjector.getNotificationManager().cancel(LOG_TAG, 436 RemoteBugreportUtils.NOTIFICATION_ID); 437 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 438 onBugreportSharingAccepted(); 439 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 440 onBugreportSharingDeclined(); 441 } 442 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 443 } 444 }; 445 446 public static final class Lifecycle extends SystemService { 447 private DevicePolicyManagerService mService; 448 449 public Lifecycle(Context context) { 450 super(context); 451 mService = new DevicePolicyManagerService(context); 452 } 453 454 @Override 455 public void onStart() { 456 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 457 } 458 459 @Override 460 public void onBootPhase(int phase) { 461 mService.systemReady(phase); 462 } 463 464 @Override 465 public void onStartUser(int userHandle) { 466 mService.handleStartUser(userHandle); 467 } 468 469 @Override 470 public void onUnlockUser(int userHandle) { 471 mService.handleUnlockUser(userHandle); 472 } 473 474 @Override 475 public void onStopUser(int userHandle) { 476 mService.handleStopUser(userHandle); 477 } 478 } 479 480 public static class DevicePolicyData { 481 @NonNull PasswordMetrics mActivePasswordMetrics = new PasswordMetrics(); 482 int mFailedPasswordAttempts = 0; 483 boolean mPasswordStateHasBeenSetSinceBoot = false; 484 boolean mPasswordValidAtLastCheckpoint = false; 485 486 int mUserHandle; 487 int mPasswordOwner = -1; 488 long mLastMaximumTimeToLock = -1; 489 boolean mUserSetupComplete = false; 490 boolean mPaired = false; 491 int mUserProvisioningState; 492 int mPermissionPolicy; 493 494 boolean mDeviceProvisioningConfigApplied = false; 495 496 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 497 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 498 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 499 500 // TODO(b/35385311): Keep track of metadata in TrustedCertificateStore instead. 501 final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); 502 503 // This is the list of component allowed to start lock task mode. 504 List<String> mLockTaskPackages = new ArrayList<>(); 505 506 boolean mStatusBarDisabled = false; 507 508 ComponentName mRestrictionsProvider; 509 510 // Map of delegate package to delegation scopes 511 final ArrayMap<String, List<String>> mDelegationMap = new ArrayMap<>(); 512 513 boolean doNotAskCredentialsOnBoot = false; 514 515 Set<String> mAffiliationIds = new ArraySet<>(); 516 517 long mLastSecurityLogRetrievalTime = -1; 518 519 long mLastBugReportRequestTime = -1; 520 521 long mLastNetworkLogsRetrievalTime = -1; 522 523 boolean mCurrentInputMethodSet = false; 524 525 // TODO(b/35385311): Keep track of metadata in TrustedCertificateStore instead. 526 Set<String> mOwnerInstalledCaCerts = new ArraySet<>(); 527 528 // Used for initialization of users created by createAndManageUsers. 529 boolean mAdminBroadcastPending = false; 530 PersistableBundle mInitBundle = null; 531 532 long mPasswordTokenHandle = 0; 533 534 public DevicePolicyData(int userHandle) { 535 mUserHandle = userHandle; 536 } 537 } 538 539 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 540 541 final Handler mHandler; 542 final Handler mBackgroundHandler; 543 544 /** Listens only if mHasFeature == true. */ 545 final BroadcastReceiver mReceiver = new BroadcastReceiver() { 546 @Override 547 public void onReceive(Context context, Intent intent) { 548 final String action = intent.getAction(); 549 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 550 getSendingUserId()); 551 552 /* 553 * Network logging would ideally be started in setDeviceOwnerSystemPropertyLocked(), 554 * however it's too early in the boot process to register with IIpConnectivityMetrics 555 * to listen for events. 556 */ 557 if (Intent.ACTION_USER_STARTED.equals(action) 558 && userHandle == mOwners.getDeviceOwnerUserId()) { 559 synchronized (DevicePolicyManagerService.this) { 560 if (isNetworkLoggingEnabledInternalLocked()) { 561 setNetworkLoggingActiveInternal(true); 562 } 563 } 564 } 565 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 566 && userHandle == mOwners.getDeviceOwnerUserId() 567 && getDeviceOwnerRemoteBugreportUri() != null) { 568 IntentFilter filterConsent = new IntentFilter(); 569 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 570 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 571 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 572 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 573 RemoteBugreportUtils.NOTIFICATION_ID, 574 RemoteBugreportUtils.buildNotification(mContext, 575 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 576 UserHandle.ALL); 577 } 578 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 579 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 580 if (VERBOSE_LOG) { 581 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 582 + action + " for user " + userHandle); 583 } 584 mHandler.post(new Runnable() { 585 @Override 586 public void run() { 587 handlePasswordExpirationNotification(userHandle); 588 } 589 }); 590 } 591 592 if (Intent.ACTION_USER_ADDED.equals(action)) { 593 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_ADDED, userHandle); 594 synchronized (DevicePolicyManagerService.this) { 595 // It might take a while for the user to become affiliated. Make security 596 // and network logging unavailable in the meantime. 597 maybePauseDeviceWideLoggingLocked(); 598 } 599 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 600 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_REMOVED, userHandle); 601 synchronized (DevicePolicyManagerService.this) { 602 // Check whether the user is affiliated, *before* removing its data. 603 boolean isRemovedUserAffiliated = isUserAffiliatedWithDeviceLocked(userHandle); 604 removeUserData(userHandle); 605 if (!isRemovedUserAffiliated) { 606 // We discard the logs when unaffiliated users are deleted (so that the 607 // device owner cannot retrieve data about that user after it's gone). 608 discardDeviceWideLogsLocked(); 609 // Resume logging if all remaining users are affiliated. 610 maybeResumeDeviceWideLoggingLocked(); 611 } 612 } 613 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 614 synchronized (DevicePolicyManagerService.this) { 615 // Reset the policy data 616 mUserData.remove(userHandle); 617 sendAdminEnabledBroadcastLocked(userHandle); 618 } 619 handlePackagesChanged(null /* check all admins */, userHandle); 620 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 621 handlePackagesChanged(null /* check all admins */, userHandle); 622 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 623 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 624 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 625 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 626 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 627 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 628 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 629 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 630 clearWipeProfileNotification(); 631 } 632 } 633 634 private void sendUserAddedOrRemovedCommand(String action, int userHandle) { 635 synchronized (DevicePolicyManagerService.this) { 636 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 637 if (deviceOwner != null) { 638 Bundle extras = new Bundle(); 639 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 640 sendAdminCommandLocked(deviceOwner, action, extras, null); 641 } 642 } 643 } 644 }; 645 646 static class ActiveAdmin { 647 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 648 private static final String TAG_TEST_ONLY_ADMIN = "test-only-admin"; 649 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 650 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 651 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 652 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 653 = "disable-bt-contacts-sharing"; 654 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 655 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 656 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 657 private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; 658 private static final String TAG_IS_NETWORK_LOGGING_ENABLED = "is_network_logging_enabled"; 659 private static final String TAG_ACCOUNT_TYPE = "account-type"; 660 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 661 = "permitted-accessiblity-services"; 662 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 663 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 664 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 665 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 666 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 667 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 668 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 669 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 670 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 671 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 672 private static final String TAG_PERMITTED_NOTIFICATION_LISTENERS = 673 "permitted-notification-listeners"; 674 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 675 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 676 private static final String TAG_STRONG_AUTH_UNLOCK_TIMEOUT = "strong-auth-unlock-timeout"; 677 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 678 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 679 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 680 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 681 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 682 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 683 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 684 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 685 private static final String ATTR_VALUE = "value"; 686 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 687 private static final String TAG_POLICIES = "policies"; 688 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 689 "cross-profile-widget-providers"; 690 private static final String TAG_PROVIDER = "provider"; 691 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 692 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 693 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 694 private static final String TAG_DEFAULT_ENABLED_USER_RESTRICTIONS = 695 "default-enabled-user-restrictions"; 696 private static final String TAG_RESTRICTION = "restriction"; 697 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 698 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 699 private static final String TAG_PARENT_ADMIN = "parent-admin"; 700 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 701 private static final String TAG_ORGANIZATION_NAME = "organization-name"; 702 private static final String ATTR_LAST_NETWORK_LOGGING_NOTIFICATION = "last-notification"; 703 private static final String ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS = "num-notifications"; 704 705 final DeviceAdminInfo info; 706 707 708 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 709 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 710 711 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 712 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 713 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 714 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 715 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 716 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 717 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 718 @NonNull 719 PasswordMetrics minimumPasswordMetrics = new PasswordMetrics( 720 DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, DEF_MINIMUM_PASSWORD_LENGTH, 721 DEF_MINIMUM_PASSWORD_LETTERS, DEF_MINIMUM_PASSWORD_UPPER_CASE, 722 DEF_MINIMUM_PASSWORD_LOWER_CASE, DEF_MINIMUM_PASSWORD_NUMERIC, 723 DEF_MINIMUM_PASSWORD_SYMBOLS, DEF_MINIMUM_PASSWORD_NON_LETTER); 724 725 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 726 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 727 728 long strongAuthUnlockTimeout = 0; // admin doesn't participate by default 729 730 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 731 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 732 733 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 734 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 735 736 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 737 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 738 739 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 740 741 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 742 743 boolean encryptionRequested = false; 744 boolean testOnlyAdmin = false; 745 boolean disableCamera = false; 746 boolean disableCallerId = false; 747 boolean disableContactsSearch = false; 748 boolean disableBluetoothContactSharing = true; 749 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 750 boolean requireAutoTime = false; // Can only be set by a device owner. 751 boolean forceEphemeralUsers = false; // Can only be set by a device owner. 752 boolean isNetworkLoggingEnabled = false; // Can only be set by a device owner. 753 754 // one notification after enabling + one more after reboots 755 static final int DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN = 2; 756 int numNetworkLoggingNotifications = 0; 757 long lastNetworkLoggingNotificationTimeMs = 0; // Time in milliseconds since epoch 758 759 ActiveAdmin parentAdmin; 760 final boolean isParent; 761 762 static class TrustAgentInfo { 763 public PersistableBundle options; 764 TrustAgentInfo(PersistableBundle bundle) { 765 options = bundle; 766 } 767 } 768 769 final Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 770 771 // The list of permitted accessibility services package namesas set by a profile 772 // or device owner. Null means all accessibility services are allowed, empty means 773 // none except system services are allowed. 774 List<String> permittedAccessiblityServices; 775 776 // The list of permitted input methods package names as set by a profile or device owner. 777 // Null means all input methods are allowed, empty means none except system imes are 778 // allowed. 779 List<String> permittedInputMethods; 780 781 // The list of packages allowed to use a NotificationListenerService to receive events for 782 // notifications from this user. Null means that all packages are allowed. Empty list means 783 // that only packages from the system are allowed. 784 List<String> permittedNotificationListeners; 785 786 // List of package names to keep cached. 787 List<String> keepUninstalledPackages; 788 789 // TODO: review implementation decisions with frameworks team 790 boolean specifiesGlobalProxy = false; 791 String globalProxySpec = null; 792 String globalProxyExclusionList = null; 793 794 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 795 796 List<String> crossProfileWidgetProviders; 797 798 Bundle userRestrictions; 799 800 // User restrictions that have already been enabled by default for this admin (either when 801 // setting the device or profile owner, or during a system update if one of those "enabled 802 // by default" restrictions is newly added). 803 final Set<String> defaultEnabledRestrictionsAlreadySet = new ArraySet<>(); 804 805 // Support text provided by the admin to display to the user. 806 CharSequence shortSupportMessage = null; 807 CharSequence longSupportMessage = null; 808 809 // Background color of confirm credentials screen. Default: teal. 810 static final int DEF_ORGANIZATION_COLOR = Color.parseColor("#00796B"); 811 int organizationColor = DEF_ORGANIZATION_COLOR; 812 813 // Default title of confirm credentials screen 814 String organizationName = null; 815 816 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 817 info = _info; 818 isParent = parent; 819 } 820 821 ActiveAdmin getParentActiveAdmin() { 822 Preconditions.checkState(!isParent); 823 824 if (parentAdmin == null) { 825 parentAdmin = new ActiveAdmin(info, /* parent */ true); 826 } 827 return parentAdmin; 828 } 829 830 boolean hasParentActiveAdmin() { 831 return parentAdmin != null; 832 } 833 834 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 835 836 public UserHandle getUserHandle() { 837 return UserHandle.of(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 838 } 839 840 void writeToXml(XmlSerializer out) 841 throws IllegalArgumentException, IllegalStateException, IOException { 842 out.startTag(null, TAG_POLICIES); 843 info.writePoliciesToXml(out); 844 out.endTag(null, TAG_POLICIES); 845 if (minimumPasswordMetrics.quality 846 != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 847 out.startTag(null, TAG_PASSWORD_QUALITY); 848 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.quality)); 849 out.endTag(null, TAG_PASSWORD_QUALITY); 850 if (minimumPasswordMetrics.length != DEF_MINIMUM_PASSWORD_LENGTH) { 851 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 852 out.attribute( 853 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.length)); 854 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 855 } 856 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 857 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 858 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 859 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 860 } 861 if (minimumPasswordMetrics.upperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 862 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 863 out.attribute( 864 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.upperCase)); 865 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 866 } 867 if (minimumPasswordMetrics.lowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 868 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 869 out.attribute( 870 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.lowerCase)); 871 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 872 } 873 if (minimumPasswordMetrics.letters != DEF_MINIMUM_PASSWORD_LETTERS) { 874 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 875 out.attribute( 876 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.letters)); 877 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 878 } 879 if (minimumPasswordMetrics.numeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 880 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 881 out.attribute( 882 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.numeric)); 883 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 884 } 885 if (minimumPasswordMetrics.symbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 886 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 887 out.attribute( 888 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.symbols)); 889 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 890 } 891 if (minimumPasswordMetrics.nonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 892 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 893 out.attribute( 894 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.nonLetter)); 895 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 896 } 897 } 898 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 899 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 900 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 901 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 902 } 903 if (strongAuthUnlockTimeout != DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 904 out.startTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 905 out.attribute(null, ATTR_VALUE, Long.toString(strongAuthUnlockTimeout)); 906 out.endTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 907 } 908 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 909 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 910 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 911 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 912 } 913 if (specifiesGlobalProxy) { 914 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 915 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 916 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 917 if (globalProxySpec != null) { 918 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 919 out.attribute(null, ATTR_VALUE, globalProxySpec); 920 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 921 } 922 if (globalProxyExclusionList != null) { 923 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 924 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 925 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 926 } 927 } 928 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 929 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 930 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 931 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 932 } 933 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 934 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 935 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 936 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 937 } 938 if (encryptionRequested) { 939 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 940 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 941 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 942 } 943 if (testOnlyAdmin) { 944 out.startTag(null, TAG_TEST_ONLY_ADMIN); 945 out.attribute(null, ATTR_VALUE, Boolean.toString(testOnlyAdmin)); 946 out.endTag(null, TAG_TEST_ONLY_ADMIN); 947 } 948 if (disableCamera) { 949 out.startTag(null, TAG_DISABLE_CAMERA); 950 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 951 out.endTag(null, TAG_DISABLE_CAMERA); 952 } 953 if (disableCallerId) { 954 out.startTag(null, TAG_DISABLE_CALLER_ID); 955 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 956 out.endTag(null, TAG_DISABLE_CALLER_ID); 957 } 958 if (disableContactsSearch) { 959 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 960 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 961 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 962 } 963 if (!disableBluetoothContactSharing) { 964 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 965 out.attribute(null, ATTR_VALUE, 966 Boolean.toString(disableBluetoothContactSharing)); 967 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 968 } 969 if (disableScreenCapture) { 970 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 971 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 972 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 973 } 974 if (requireAutoTime) { 975 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 976 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 977 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 978 } 979 if (forceEphemeralUsers) { 980 out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); 981 out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); 982 out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); 983 } 984 if (isNetworkLoggingEnabled) { 985 out.startTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 986 out.attribute(null, ATTR_VALUE, Boolean.toString(isNetworkLoggingEnabled)); 987 out.attribute(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS, 988 Integer.toString(numNetworkLoggingNotifications)); 989 out.attribute(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION, 990 Long.toString(lastNetworkLoggingNotificationTimeMs)); 991 out.endTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 992 } 993 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 994 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 995 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 996 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 997 } 998 if (!accountTypesWithManagementDisabled.isEmpty()) { 999 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 1000 writeAttributeValuesToXml( 1001 out, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 1002 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 1003 } 1004 if (!trustAgentInfos.isEmpty()) { 1005 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 1006 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 1007 for (Entry<String, TrustAgentInfo> entry : set) { 1008 TrustAgentInfo trustAgentInfo = entry.getValue(); 1009 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 1010 out.attribute(null, ATTR_VALUE, entry.getKey()); 1011 if (trustAgentInfo.options != null) { 1012 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 1013 try { 1014 trustAgentInfo.options.saveToXml(out); 1015 } catch (XmlPullParserException e) { 1016 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 1017 } 1018 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 1019 } 1020 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 1021 } 1022 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 1023 } 1024 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 1025 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 1026 writeAttributeValuesToXml(out, TAG_PROVIDER, crossProfileWidgetProviders); 1027 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 1028 } 1029 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 1030 permittedAccessiblityServices); 1031 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 1032 writePackageListToXml(out, TAG_PERMITTED_NOTIFICATION_LISTENERS, 1033 permittedNotificationListeners); 1034 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 1035 if (hasUserRestrictions()) { 1036 UserRestrictionsUtils.writeRestrictions( 1037 out, userRestrictions, TAG_USER_RESTRICTIONS); 1038 } 1039 if (!defaultEnabledRestrictionsAlreadySet.isEmpty()) { 1040 out.startTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 1041 writeAttributeValuesToXml( 1042 out, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 1043 out.endTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 1044 } 1045 if (!TextUtils.isEmpty(shortSupportMessage)) { 1046 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 1047 out.text(shortSupportMessage.toString()); 1048 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 1049 } 1050 if (!TextUtils.isEmpty(longSupportMessage)) { 1051 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 1052 out.text(longSupportMessage.toString()); 1053 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 1054 } 1055 if (parentAdmin != null) { 1056 out.startTag(null, TAG_PARENT_ADMIN); 1057 parentAdmin.writeToXml(out); 1058 out.endTag(null, TAG_PARENT_ADMIN); 1059 } 1060 if (organizationColor != DEF_ORGANIZATION_COLOR) { 1061 out.startTag(null, TAG_ORGANIZATION_COLOR); 1062 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 1063 out.endTag(null, TAG_ORGANIZATION_COLOR); 1064 } 1065 if (organizationName != null) { 1066 out.startTag(null, TAG_ORGANIZATION_NAME); 1067 out.text(organizationName); 1068 out.endTag(null, TAG_ORGANIZATION_NAME); 1069 } 1070 } 1071 1072 void writePackageListToXml(XmlSerializer out, String outerTag, 1073 List<String> packageList) 1074 throws IllegalArgumentException, IllegalStateException, IOException { 1075 if (packageList == null) { 1076 return; 1077 } 1078 1079 out.startTag(null, outerTag); 1080 writeAttributeValuesToXml(out, TAG_PACKAGE_LIST_ITEM, packageList); 1081 out.endTag(null, outerTag); 1082 } 1083 1084 void writeAttributeValuesToXml(XmlSerializer out, String tag, 1085 @NonNull Collection<String> values) throws IOException { 1086 for (String value : values) { 1087 out.startTag(null, tag); 1088 out.attribute(null, ATTR_VALUE, value); 1089 out.endTag(null, tag); 1090 } 1091 } 1092 1093 void readFromXml(XmlPullParser parser) 1094 throws XmlPullParserException, IOException { 1095 int outerDepth = parser.getDepth(); 1096 int type; 1097 while ((type=parser.next()) != END_DOCUMENT 1098 && (type != END_TAG || parser.getDepth() > outerDepth)) { 1099 if (type == END_TAG || type == TEXT) { 1100 continue; 1101 } 1102 String tag = parser.getName(); 1103 if (TAG_POLICIES.equals(tag)) { 1104 info.readPoliciesFromXml(parser); 1105 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 1106 minimumPasswordMetrics.quality = Integer.parseInt( 1107 parser.getAttributeValue(null, ATTR_VALUE)); 1108 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 1109 minimumPasswordMetrics.length = Integer.parseInt( 1110 parser.getAttributeValue(null, ATTR_VALUE)); 1111 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 1112 passwordHistoryLength = Integer.parseInt( 1113 parser.getAttributeValue(null, ATTR_VALUE)); 1114 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 1115 minimumPasswordMetrics.upperCase = Integer.parseInt( 1116 parser.getAttributeValue(null, ATTR_VALUE)); 1117 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 1118 minimumPasswordMetrics.lowerCase = Integer.parseInt( 1119 parser.getAttributeValue(null, ATTR_VALUE)); 1120 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 1121 minimumPasswordMetrics.letters = Integer.parseInt( 1122 parser.getAttributeValue(null, ATTR_VALUE)); 1123 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 1124 minimumPasswordMetrics.numeric = Integer.parseInt( 1125 parser.getAttributeValue(null, ATTR_VALUE)); 1126 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 1127 minimumPasswordMetrics.symbols = Integer.parseInt( 1128 parser.getAttributeValue(null, ATTR_VALUE)); 1129 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 1130 minimumPasswordMetrics.nonLetter = Integer.parseInt( 1131 parser.getAttributeValue(null, ATTR_VALUE)); 1132 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 1133 maximumTimeToUnlock = Long.parseLong( 1134 parser.getAttributeValue(null, ATTR_VALUE)); 1135 } else if (TAG_STRONG_AUTH_UNLOCK_TIMEOUT.equals(tag)) { 1136 strongAuthUnlockTimeout = Long.parseLong( 1137 parser.getAttributeValue(null, ATTR_VALUE)); 1138 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 1139 maximumFailedPasswordsForWipe = Integer.parseInt( 1140 parser.getAttributeValue(null, ATTR_VALUE)); 1141 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 1142 specifiesGlobalProxy = Boolean.parseBoolean( 1143 parser.getAttributeValue(null, ATTR_VALUE)); 1144 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 1145 globalProxySpec = 1146 parser.getAttributeValue(null, ATTR_VALUE); 1147 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 1148 globalProxyExclusionList = 1149 parser.getAttributeValue(null, ATTR_VALUE); 1150 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 1151 passwordExpirationTimeout = Long.parseLong( 1152 parser.getAttributeValue(null, ATTR_VALUE)); 1153 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 1154 passwordExpirationDate = Long.parseLong( 1155 parser.getAttributeValue(null, ATTR_VALUE)); 1156 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 1157 encryptionRequested = Boolean.parseBoolean( 1158 parser.getAttributeValue(null, ATTR_VALUE)); 1159 } else if (TAG_TEST_ONLY_ADMIN.equals(tag)) { 1160 testOnlyAdmin = Boolean.parseBoolean( 1161 parser.getAttributeValue(null, ATTR_VALUE)); 1162 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 1163 disableCamera = Boolean.parseBoolean( 1164 parser.getAttributeValue(null, ATTR_VALUE)); 1165 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 1166 disableCallerId = Boolean.parseBoolean( 1167 parser.getAttributeValue(null, ATTR_VALUE)); 1168 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 1169 disableContactsSearch = Boolean.parseBoolean( 1170 parser.getAttributeValue(null, ATTR_VALUE)); 1171 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 1172 disableBluetoothContactSharing = Boolean.parseBoolean(parser 1173 .getAttributeValue(null, ATTR_VALUE)); 1174 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 1175 disableScreenCapture = Boolean.parseBoolean( 1176 parser.getAttributeValue(null, ATTR_VALUE)); 1177 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 1178 requireAutoTime = Boolean.parseBoolean( 1179 parser.getAttributeValue(null, ATTR_VALUE)); 1180 } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) { 1181 forceEphemeralUsers = Boolean.parseBoolean( 1182 parser.getAttributeValue(null, ATTR_VALUE)); 1183 } else if (TAG_IS_NETWORK_LOGGING_ENABLED.equals(tag)) { 1184 isNetworkLoggingEnabled = Boolean.parseBoolean( 1185 parser.getAttributeValue(null, ATTR_VALUE)); 1186 lastNetworkLoggingNotificationTimeMs = Long.parseLong( 1187 parser.getAttributeValue(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION)); 1188 numNetworkLoggingNotifications = Integer.parseInt( 1189 parser.getAttributeValue(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS)); 1190 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 1191 disabledKeyguardFeatures = Integer.parseInt( 1192 parser.getAttributeValue(null, ATTR_VALUE)); 1193 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 1194 readAttributeValues( 1195 parser, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 1196 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 1197 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 1198 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 1199 crossProfileWidgetProviders = new ArrayList<>(); 1200 readAttributeValues(parser, TAG_PROVIDER, crossProfileWidgetProviders); 1201 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 1202 permittedAccessiblityServices = readPackageList(parser, tag); 1203 } else if (TAG_PERMITTED_IMES.equals(tag)) { 1204 permittedInputMethods = readPackageList(parser, tag); 1205 } else if (TAG_PERMITTED_NOTIFICATION_LISTENERS.equals(tag)) { 1206 permittedNotificationListeners = readPackageList(parser, tag); 1207 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 1208 keepUninstalledPackages = readPackageList(parser, tag); 1209 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 1210 userRestrictions = UserRestrictionsUtils.readRestrictions(parser); 1211 } else if (TAG_DEFAULT_ENABLED_USER_RESTRICTIONS.equals(tag)) { 1212 readAttributeValues( 1213 parser, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 1214 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 1215 type = parser.next(); 1216 if (type == XmlPullParser.TEXT) { 1217 shortSupportMessage = parser.getText(); 1218 } else { 1219 Log.w(LOG_TAG, "Missing text when loading short support message"); 1220 } 1221 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 1222 type = parser.next(); 1223 if (type == XmlPullParser.TEXT) { 1224 longSupportMessage = parser.getText(); 1225 } else { 1226 Log.w(LOG_TAG, "Missing text when loading long support message"); 1227 } 1228 } else if (TAG_PARENT_ADMIN.equals(tag)) { 1229 Preconditions.checkState(!isParent); 1230 1231 parentAdmin = new ActiveAdmin(info, /* parent */ true); 1232 parentAdmin.readFromXml(parser); 1233 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 1234 organizationColor = Integer.parseInt( 1235 parser.getAttributeValue(null, ATTR_VALUE)); 1236 } else if (TAG_ORGANIZATION_NAME.equals(tag)) { 1237 type = parser.next(); 1238 if (type == XmlPullParser.TEXT) { 1239 organizationName = parser.getText(); 1240 } else { 1241 Log.w(LOG_TAG, "Missing text when loading organization name"); 1242 } 1243 } else { 1244 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 1245 XmlUtils.skipCurrentTag(parser); 1246 } 1247 } 1248 } 1249 1250 private List<String> readPackageList(XmlPullParser parser, 1251 String tag) throws XmlPullParserException, IOException { 1252 List<String> result = new ArrayList<String>(); 1253 int outerDepth = parser.getDepth(); 1254 int outerType; 1255 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 1256 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1257 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 1258 continue; 1259 } 1260 String outerTag = parser.getName(); 1261 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 1262 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 1263 if (packageName != null) { 1264 result.add(packageName); 1265 } else { 1266 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 1267 } 1268 } else { 1269 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 1270 } 1271 } 1272 return result; 1273 } 1274 1275 private void readAttributeValues( 1276 XmlPullParser parser, String tag, Collection<String> result) 1277 throws XmlPullParserException, IOException { 1278 result.clear(); 1279 int outerDepthDAM = parser.getDepth(); 1280 int typeDAM; 1281 while ((typeDAM=parser.next()) != END_DOCUMENT 1282 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1283 if (typeDAM == END_TAG || typeDAM == TEXT) { 1284 continue; 1285 } 1286 String tagDAM = parser.getName(); 1287 if (tag.equals(tagDAM)) { 1288 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1289 } else { 1290 Slog.e(LOG_TAG, "Expected tag " + tag + " but found " + tagDAM); 1291 } 1292 } 1293 } 1294 1295 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1296 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1297 int outerDepthDAM = parser.getDepth(); 1298 int typeDAM; 1299 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1300 while ((typeDAM=parser.next()) != END_DOCUMENT 1301 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1302 if (typeDAM == END_TAG || typeDAM == TEXT) { 1303 continue; 1304 } 1305 String tagDAM = parser.getName(); 1306 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1307 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1308 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1309 result.put(component, trustAgentInfo); 1310 } else { 1311 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1312 } 1313 } 1314 return result; 1315 } 1316 1317 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1318 throws XmlPullParserException, IOException { 1319 int outerDepthDAM = parser.getDepth(); 1320 int typeDAM; 1321 TrustAgentInfo result = new TrustAgentInfo(null); 1322 while ((typeDAM=parser.next()) != END_DOCUMENT 1323 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1324 if (typeDAM == END_TAG || typeDAM == TEXT) { 1325 continue; 1326 } 1327 String tagDAM = parser.getName(); 1328 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1329 result.options = PersistableBundle.restoreFromXml(parser); 1330 } else { 1331 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1332 } 1333 } 1334 return result; 1335 } 1336 1337 boolean hasUserRestrictions() { 1338 return userRestrictions != null && userRestrictions.size() > 0; 1339 } 1340 1341 Bundle ensureUserRestrictions() { 1342 if (userRestrictions == null) { 1343 userRestrictions = new Bundle(); 1344 } 1345 return userRestrictions; 1346 } 1347 1348 void dump(String prefix, PrintWriter pw) { 1349 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1350 pw.print(prefix); pw.print("testOnlyAdmin="); 1351 pw.println(testOnlyAdmin); 1352 pw.print(prefix); pw.println("policies:"); 1353 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1354 if (pols != null) { 1355 for (int i=0; i<pols.size(); i++) { 1356 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1357 } 1358 } 1359 pw.print(prefix); pw.print("passwordQuality=0x"); 1360 pw.println(Integer.toHexString(minimumPasswordMetrics.quality)); 1361 pw.print(prefix); pw.print("minimumPasswordLength="); 1362 pw.println(minimumPasswordMetrics.length); 1363 pw.print(prefix); pw.print("passwordHistoryLength="); 1364 pw.println(passwordHistoryLength); 1365 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1366 pw.println(minimumPasswordMetrics.upperCase); 1367 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1368 pw.println(minimumPasswordMetrics.lowerCase); 1369 pw.print(prefix); pw.print("minimumPasswordLetters="); 1370 pw.println(minimumPasswordMetrics.letters); 1371 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1372 pw.println(minimumPasswordMetrics.numeric); 1373 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1374 pw.println(minimumPasswordMetrics.symbols); 1375 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1376 pw.println(minimumPasswordMetrics.nonLetter); 1377 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1378 pw.println(maximumTimeToUnlock); 1379 pw.print(prefix); pw.print("strongAuthUnlockTimeout="); 1380 pw.println(strongAuthUnlockTimeout); 1381 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1382 pw.println(maximumFailedPasswordsForWipe); 1383 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1384 pw.println(specifiesGlobalProxy); 1385 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1386 pw.println(passwordExpirationTimeout); 1387 pw.print(prefix); pw.print("passwordExpirationDate="); 1388 pw.println(passwordExpirationDate); 1389 if (globalProxySpec != null) { 1390 pw.print(prefix); pw.print("globalProxySpec="); 1391 pw.println(globalProxySpec); 1392 } 1393 if (globalProxyExclusionList != null) { 1394 pw.print(prefix); pw.print("globalProxyEclusionList="); 1395 pw.println(globalProxyExclusionList); 1396 } 1397 pw.print(prefix); pw.print("encryptionRequested="); 1398 pw.println(encryptionRequested); 1399 pw.print(prefix); pw.print("disableCamera="); 1400 pw.println(disableCamera); 1401 pw.print(prefix); pw.print("disableCallerId="); 1402 pw.println(disableCallerId); 1403 pw.print(prefix); pw.print("disableContactsSearch="); 1404 pw.println(disableContactsSearch); 1405 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1406 pw.println(disableBluetoothContactSharing); 1407 pw.print(prefix); pw.print("disableScreenCapture="); 1408 pw.println(disableScreenCapture); 1409 pw.print(prefix); pw.print("requireAutoTime="); 1410 pw.println(requireAutoTime); 1411 pw.print(prefix); pw.print("forceEphemeralUsers="); 1412 pw.println(forceEphemeralUsers); 1413 pw.print(prefix); pw.print("isNetworkLoggingEnabled="); 1414 pw.println(isNetworkLoggingEnabled); 1415 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1416 pw.println(disabledKeyguardFeatures); 1417 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1418 pw.println(crossProfileWidgetProviders); 1419 if (permittedAccessiblityServices != null) { 1420 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1421 pw.println(permittedAccessiblityServices); 1422 } 1423 if (permittedInputMethods != null) { 1424 pw.print(prefix); pw.print("permittedInputMethods="); 1425 pw.println(permittedInputMethods); 1426 } 1427 if (permittedNotificationListeners != null) { 1428 pw.print(prefix); pw.print("permittedNotificationListeners="); 1429 pw.println(permittedNotificationListeners); 1430 } 1431 if (keepUninstalledPackages != null) { 1432 pw.print(prefix); pw.print("keepUninstalledPackages="); 1433 pw.println(keepUninstalledPackages); 1434 } 1435 pw.print(prefix); pw.print("organizationColor="); 1436 pw.println(organizationColor); 1437 if (organizationName != null) { 1438 pw.print(prefix); pw.print("organizationName="); 1439 pw.println(organizationName); 1440 } 1441 pw.print(prefix); pw.println("userRestrictions:"); 1442 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1443 pw.print(prefix); pw.print("defaultEnabledRestrictionsAlreadySet="); 1444 pw.println(defaultEnabledRestrictionsAlreadySet); 1445 pw.print(prefix); pw.print("isParent="); 1446 pw.println(isParent); 1447 if (parentAdmin != null) { 1448 pw.print(prefix); pw.println("parentAdmin:"); 1449 parentAdmin.dump(prefix + " ", pw); 1450 } 1451 } 1452 } 1453 1454 private void handlePackagesChanged(@Nullable String packageName, int userHandle) { 1455 boolean removedAdmin = false; 1456 if (VERBOSE_LOG) { 1457 Slog.d(LOG_TAG, "Handling package changes package " + packageName 1458 + " for user " + userHandle); 1459 } 1460 DevicePolicyData policy = getUserData(userHandle); 1461 synchronized (this) { 1462 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1463 ActiveAdmin aa = policy.mAdminList.get(i); 1464 try { 1465 // If we're checking all packages or if the specific one we're checking matches, 1466 // then check if the package and receiver still exist. 1467 final String adminPackage = aa.info.getPackageName(); 1468 if (packageName == null || packageName.equals(adminPackage)) { 1469 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1470 || mIPackageManager.getReceiverInfo(aa.info.getComponent(), 1471 PackageManager.MATCH_DIRECT_BOOT_AWARE 1472 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 1473 userHandle) == null) { 1474 removedAdmin = true; 1475 policy.mAdminList.remove(i); 1476 policy.mAdminMap.remove(aa.info.getComponent()); 1477 } 1478 } 1479 } catch (RemoteException re) { 1480 // Shouldn't happen. 1481 } 1482 } 1483 if (removedAdmin) { 1484 validatePasswordOwnerLocked(policy); 1485 } 1486 1487 boolean removedDelegate = false; 1488 1489 // Check if a delegate was removed. 1490 for (int i = policy.mDelegationMap.size() - 1; i >= 0; i--) { 1491 final String delegatePackage = policy.mDelegationMap.keyAt(i); 1492 if (isRemovedPackage(packageName, delegatePackage, userHandle)) { 1493 policy.mDelegationMap.removeAt(i); 1494 removedDelegate = true; 1495 } 1496 } 1497 1498 // If it's an owner package, we may need to refresh the bound connection. 1499 final ComponentName owner = getOwnerComponent(userHandle); 1500 if ((packageName != null) && (owner != null) 1501 && (owner.getPackageName().equals(packageName))) { 1502 startOwnerService(userHandle, "package-broadcast"); 1503 } 1504 1505 // Persist updates if the removed package was an admin or delegate. 1506 if (removedAdmin || removedDelegate) { 1507 saveSettingsLocked(policy.mUserHandle); 1508 } 1509 } 1510 if (removedAdmin) { 1511 // The removed admin might have disabled camera, so update user restrictions. 1512 pushUserRestrictions(userHandle); 1513 } 1514 } 1515 1516 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1517 try { 1518 return targetPackage != null 1519 && (changedPackage == null || changedPackage.equals(targetPackage)) 1520 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1521 } catch (RemoteException e) { 1522 // Shouldn't happen 1523 } 1524 1525 return false; 1526 } 1527 1528 /** 1529 * Unit test will subclass it to inject mocks. 1530 */ 1531 @VisibleForTesting 1532 static class Injector { 1533 1534 public final Context mContext; 1535 1536 Injector(Context context) { 1537 mContext = context; 1538 } 1539 1540 Context createContextAsUser(UserHandle user) throws PackageManager.NameNotFoundException { 1541 final String packageName = mContext.getPackageName(); 1542 return mContext.createPackageContextAsUser(packageName, 0, user); 1543 } 1544 1545 Resources getResources() { 1546 return mContext.getResources(); 1547 } 1548 1549 Owners newOwners() { 1550 return new Owners(getUserManager(), getUserManagerInternal(), 1551 getPackageManagerInternal()); 1552 } 1553 1554 UserManager getUserManager() { 1555 return UserManager.get(mContext); 1556 } 1557 1558 UserManagerInternal getUserManagerInternal() { 1559 return LocalServices.getService(UserManagerInternal.class); 1560 } 1561 1562 PackageManagerInternal getPackageManagerInternal() { 1563 return LocalServices.getService(PackageManagerInternal.class); 1564 } 1565 1566 NotificationManager getNotificationManager() { 1567 return mContext.getSystemService(NotificationManager.class); 1568 } 1569 1570 IIpConnectivityMetrics getIIpConnectivityMetrics() { 1571 return (IIpConnectivityMetrics) IIpConnectivityMetrics.Stub.asInterface( 1572 ServiceManager.getService(IpConnectivityLog.SERVICE_NAME)); 1573 } 1574 1575 PackageManager getPackageManager() { 1576 return mContext.getPackageManager(); 1577 } 1578 1579 PowerManagerInternal getPowerManagerInternal() { 1580 return LocalServices.getService(PowerManagerInternal.class); 1581 } 1582 1583 TelephonyManager getTelephonyManager() { 1584 return TelephonyManager.from(mContext); 1585 } 1586 1587 TrustManager getTrustManager() { 1588 return (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 1589 } 1590 1591 AlarmManager getAlarmManager() { 1592 return (AlarmManager) mContext.getSystemService(AlarmManager.class); 1593 } 1594 1595 IWindowManager getIWindowManager() { 1596 return IWindowManager.Stub 1597 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1598 } 1599 1600 IActivityManager getIActivityManager() { 1601 return ActivityManager.getService(); 1602 } 1603 1604 IPackageManager getIPackageManager() { 1605 return AppGlobals.getPackageManager(); 1606 } 1607 1608 IBackupManager getIBackupManager() { 1609 return IBackupManager.Stub.asInterface( 1610 ServiceManager.getService(Context.BACKUP_SERVICE)); 1611 } 1612 1613 IAudioService getIAudioService() { 1614 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1615 } 1616 1617 boolean isBuildDebuggable() { 1618 return Build.IS_DEBUGGABLE; 1619 } 1620 1621 LockPatternUtils newLockPatternUtils() { 1622 return new LockPatternUtils(mContext); 1623 } 1624 1625 boolean storageManagerIsFileBasedEncryptionEnabled() { 1626 return StorageManager.isFileEncryptedNativeOnly(); 1627 } 1628 1629 boolean storageManagerIsNonDefaultBlockEncrypted() { 1630 long identity = Binder.clearCallingIdentity(); 1631 try { 1632 return StorageManager.isNonDefaultBlockEncrypted(); 1633 } finally { 1634 Binder.restoreCallingIdentity(identity); 1635 } 1636 } 1637 1638 boolean storageManagerIsEncrypted() { 1639 return StorageManager.isEncrypted(); 1640 } 1641 1642 boolean storageManagerIsEncryptable() { 1643 return StorageManager.isEncryptable(); 1644 } 1645 1646 Looper getMyLooper() { 1647 return Looper.myLooper(); 1648 } 1649 1650 WifiManager getWifiManager() { 1651 return mContext.getSystemService(WifiManager.class); 1652 } 1653 1654 long binderClearCallingIdentity() { 1655 return Binder.clearCallingIdentity(); 1656 } 1657 1658 void binderRestoreCallingIdentity(long token) { 1659 Binder.restoreCallingIdentity(token); 1660 } 1661 1662 int binderGetCallingUid() { 1663 return Binder.getCallingUid(); 1664 } 1665 1666 int binderGetCallingPid() { 1667 return Binder.getCallingPid(); 1668 } 1669 1670 UserHandle binderGetCallingUserHandle() { 1671 return Binder.getCallingUserHandle(); 1672 } 1673 1674 boolean binderIsCallingUidMyUid() { 1675 return getCallingUid() == Process.myUid(); 1676 } 1677 1678 final int userHandleGetCallingUserId() { 1679 return UserHandle.getUserId(binderGetCallingUid()); 1680 } 1681 1682 File environmentGetUserSystemDirectory(int userId) { 1683 return Environment.getUserSystemDirectory(userId); 1684 } 1685 1686 void powerManagerGoToSleep(long time, int reason, int flags) { 1687 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1688 } 1689 1690 void powerManagerReboot(String reason) { 1691 mContext.getSystemService(PowerManager.class).reboot(reason); 1692 } 1693 1694 void recoverySystemRebootWipeUserData(boolean shutdown, String reason, boolean force) 1695 throws IOException { 1696 RecoverySystem.rebootWipeUserData(mContext, shutdown, reason, force); 1697 } 1698 1699 boolean systemPropertiesGetBoolean(String key, boolean def) { 1700 return SystemProperties.getBoolean(key, def); 1701 } 1702 1703 long systemPropertiesGetLong(String key, long def) { 1704 return SystemProperties.getLong(key, def); 1705 } 1706 1707 String systemPropertiesGet(String key, String def) { 1708 return SystemProperties.get(key, def); 1709 } 1710 1711 String systemPropertiesGet(String key) { 1712 return SystemProperties.get(key); 1713 } 1714 1715 void systemPropertiesSet(String key, String value) { 1716 SystemProperties.set(key, value); 1717 } 1718 1719 boolean userManagerIsSplitSystemUser() { 1720 return UserManager.isSplitSystemUser(); 1721 } 1722 1723 String getDevicePolicyFilePathForSystemUser() { 1724 return "/data/system/"; 1725 } 1726 1727 PendingIntent pendingIntentGetActivityAsUser(Context context, int requestCode, 1728 @NonNull Intent intent, int flags, Bundle options, UserHandle user) { 1729 return PendingIntent.getActivityAsUser( 1730 context, requestCode, intent, flags, options, user); 1731 } 1732 1733 void registerContentObserver(Uri uri, boolean notifyForDescendents, 1734 ContentObserver observer, int userHandle) { 1735 mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, 1736 observer, userHandle); 1737 } 1738 1739 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1740 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1741 name, def, userHandle); 1742 } 1743 1744 String settingsSecureGetStringForUser(String name, int userHandle) { 1745 return Settings.Secure.getStringForUser(mContext.getContentResolver(), name, 1746 userHandle); 1747 } 1748 1749 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1750 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1751 name, value, userHandle); 1752 } 1753 1754 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1755 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1756 name, value, userHandle); 1757 } 1758 1759 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1760 Settings.Global.putStringForUser(mContext.getContentResolver(), 1761 name, value, userHandle); 1762 } 1763 1764 void settingsSecurePutInt(String name, int value) { 1765 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1766 } 1767 1768 int settingsGlobalGetInt(String name, int def) { 1769 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1770 } 1771 1772 String settingsGlobalGetString(String name) { 1773 return Settings.Global.getString(mContext.getContentResolver(), name); 1774 } 1775 1776 void settingsGlobalPutInt(String name, int value) { 1777 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1778 } 1779 1780 void settingsSecurePutString(String name, String value) { 1781 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1782 } 1783 1784 void settingsGlobalPutString(String name, String value) { 1785 Settings.Global.putString(mContext.getContentResolver(), name, value); 1786 } 1787 1788 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1789 SecurityLog.setLoggingEnabledProperty(enabled); 1790 } 1791 1792 boolean securityLogGetLoggingEnabledProperty() { 1793 return SecurityLog.getLoggingEnabledProperty(); 1794 } 1795 1796 boolean securityLogIsLoggingEnabled() { 1797 return SecurityLog.isLoggingEnabled(); 1798 } 1799 1800 KeyChainConnection keyChainBindAsUser(UserHandle user) throws InterruptedException { 1801 return KeyChain.bindAsUser(mContext, user); 1802 } 1803 } 1804 1805 /** 1806 * Instantiates the service. 1807 */ 1808 public DevicePolicyManagerService(Context context) { 1809 this(new Injector(context)); 1810 } 1811 1812 @VisibleForTesting 1813 DevicePolicyManagerService(Injector injector) { 1814 mInjector = injector; 1815 mContext = Preconditions.checkNotNull(injector.mContext); 1816 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1817 mConstants = DevicePolicyConstants.loadFromString( 1818 mInjector.settingsGlobalGetString(Global.DEVICE_POLICY_CONSTANTS)); 1819 1820 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1821 1822 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1823 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1824 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1825 mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); 1826 1827 mLocalService = new LocalService(); 1828 mLockPatternUtils = injector.newLockPatternUtils(); 1829 1830 // TODO: why does SecurityLogMonitor need to be created even when mHasFeature == false? 1831 mSecurityLogMonitor = new SecurityLogMonitor(this); 1832 1833 mHasFeature = mInjector.getPackageManager() 1834 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1835 mIsWatch = mInjector.getPackageManager() 1836 .hasSystemFeature(PackageManager.FEATURE_WATCH); 1837 mBackgroundHandler = BackgroundThread.getHandler(); 1838 1839 // Needed when mHasFeature == false, because it controls the certificate warning text. 1840 mCertificateMonitor = new CertificateMonitor(this, mInjector, mBackgroundHandler); 1841 1842 mDeviceAdminServiceController = new DeviceAdminServiceController(this, mConstants); 1843 1844 if (!mHasFeature) { 1845 // Skip the rest of the initialization 1846 return; 1847 } 1848 1849 IntentFilter filter = new IntentFilter(); 1850 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1851 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1852 filter.addAction(Intent.ACTION_USER_ADDED); 1853 filter.addAction(Intent.ACTION_USER_REMOVED); 1854 filter.addAction(Intent.ACTION_USER_STARTED); 1855 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1856 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1857 filter = new IntentFilter(); 1858 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1859 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1860 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1861 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1862 filter.addDataScheme("package"); 1863 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1864 filter = new IntentFilter(); 1865 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1866 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1867 1868 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1869 1870 mSetupContentObserver = new SetupContentObserver(mHandler); 1871 } 1872 1873 /** 1874 * Creates and loads the policy data from xml. 1875 * @param userHandle the user for whom to load the policy data 1876 * @return 1877 */ 1878 @NonNull 1879 DevicePolicyData getUserData(int userHandle) { 1880 synchronized (this) { 1881 DevicePolicyData policy = mUserData.get(userHandle); 1882 if (policy == null) { 1883 policy = new DevicePolicyData(userHandle); 1884 mUserData.append(userHandle, policy); 1885 loadSettingsLocked(policy, userHandle); 1886 } 1887 return policy; 1888 } 1889 } 1890 1891 /** 1892 * Creates and loads the policy data from xml for data that is shared between 1893 * various profiles of a user. In contrast to {@link #getUserData(int)} 1894 * it allows access to data of users other than the calling user. 1895 * 1896 * This function should only be used for shared data, e.g. everything regarding 1897 * passwords and should be removed once multiple screen locks are present. 1898 * @param userHandle the user for whom to load the policy data 1899 * @return 1900 */ 1901 DevicePolicyData getUserDataUnchecked(int userHandle) { 1902 long ident = mInjector.binderClearCallingIdentity(); 1903 try { 1904 return getUserData(userHandle); 1905 } finally { 1906 mInjector.binderRestoreCallingIdentity(ident); 1907 } 1908 } 1909 1910 void removeUserData(int userHandle) { 1911 synchronized (this) { 1912 if (userHandle == UserHandle.USER_SYSTEM) { 1913 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1914 return; 1915 } 1916 mOwners.removeProfileOwner(userHandle); 1917 mOwners.writeProfileOwner(userHandle); 1918 1919 DevicePolicyData policy = mUserData.get(userHandle); 1920 if (policy != null) { 1921 mUserData.remove(userHandle); 1922 } 1923 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1924 DEVICE_POLICIES_XML); 1925 policyFile.delete(); 1926 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1927 } 1928 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1929 } 1930 1931 void loadOwners() { 1932 synchronized (this) { 1933 mOwners.load(); 1934 setDeviceOwnerSystemPropertyLocked(); 1935 findOwnerComponentIfNecessaryLocked(); 1936 migrateUserRestrictionsIfNecessaryLocked(); 1937 maybeSetDefaultDeviceOwnerUserRestrictionsLocked(); 1938 1939 // TODO PO may not have a class name either due to b/17652534. Address that too. 1940 1941 updateDeviceOwnerLocked(); 1942 } 1943 } 1944 1945 /** Apply default restrictions that haven't been applied to device owners yet. */ 1946 private void maybeSetDefaultDeviceOwnerUserRestrictionsLocked() { 1947 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 1948 if (deviceOwner != null) { 1949 maybeSetDefaultRestrictionsForAdminLocked(mOwners.getDeviceOwnerUserId(), 1950 deviceOwner, UserRestrictionsUtils.getDefaultEnabledForDeviceOwner()); 1951 } 1952 } 1953 1954 /** Apply default restrictions that haven't been applied to profile owners yet. */ 1955 private void maybeSetDefaultProfileOwnerUserRestrictions() { 1956 synchronized (this) { 1957 for (final int userId : mOwners.getProfileOwnerKeys()) { 1958 final ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 1959 // The following restrictions used to be applied to managed profiles by different 1960 // means (via Settings or by disabling components). Now they are proper user 1961 // restrictions so we apply them to managed profile owners. Non-managed secondary 1962 // users didn't have those restrictions so we skip them to keep existing behavior. 1963 if (profileOwner == null || !mUserManager.isManagedProfile(userId)) { 1964 continue; 1965 } 1966 maybeSetDefaultRestrictionsForAdminLocked(userId, profileOwner, 1967 UserRestrictionsUtils.getDefaultEnabledForManagedProfiles()); 1968 ensureUnknownSourcesRestrictionForProfileOwnerLocked( 1969 userId, profileOwner, false /* newOwner */); 1970 } 1971 } 1972 } 1973 1974 /** 1975 * Checks whether {@link UserManager#DISALLOW_INSTALL_UNKNOWN_SOURCES} should be added to the 1976 * set of restrictions for this profile owner. 1977 */ 1978 private void ensureUnknownSourcesRestrictionForProfileOwnerLocked(int userId, 1979 ActiveAdmin profileOwner, boolean newOwner) { 1980 if (newOwner || mInjector.settingsSecureGetIntForUser( 1981 Settings.Secure.UNKNOWN_SOURCES_DEFAULT_REVERSED, 0, userId) != 0) { 1982 profileOwner.ensureUserRestrictions().putBoolean( 1983 UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, true); 1984 saveUserRestrictionsLocked(userId); 1985 mInjector.settingsSecurePutIntForUser( 1986 Settings.Secure.UNKNOWN_SOURCES_DEFAULT_REVERSED, 0, userId); 1987 } 1988 } 1989 1990 /** 1991 * Apply default restrictions that haven't been applied to a given admin yet. 1992 */ 1993 private void maybeSetDefaultRestrictionsForAdminLocked( 1994 int userId, ActiveAdmin admin, Set<String> defaultRestrictions) { 1995 if (defaultRestrictions.equals(admin.defaultEnabledRestrictionsAlreadySet)) { 1996 return; // The same set of default restrictions has been already applied. 1997 } 1998 Slog.i(LOG_TAG, "New user restrictions need to be set by default for user " + userId); 1999 2000 if (VERBOSE_LOG) { 2001 Slog.d(LOG_TAG,"Default enabled restrictions: " 2002 + defaultRestrictions 2003 + ". Restrictions already enabled: " 2004 + admin.defaultEnabledRestrictionsAlreadySet); 2005 } 2006 2007 final Set<String> restrictionsToSet = new ArraySet<>(defaultRestrictions); 2008 restrictionsToSet.removeAll(admin.defaultEnabledRestrictionsAlreadySet); 2009 if (!restrictionsToSet.isEmpty()) { 2010 for (final String restriction : restrictionsToSet) { 2011 admin.ensureUserRestrictions().putBoolean(restriction, true); 2012 } 2013 admin.defaultEnabledRestrictionsAlreadySet.addAll(restrictionsToSet); 2014 Slog.i(LOG_TAG, "Enabled the following restrictions by default: " + restrictionsToSet); 2015 saveUserRestrictionsLocked(userId); 2016 } 2017 } 2018 2019 private void setDeviceOwnerSystemPropertyLocked() { 2020 final boolean deviceProvisioned = 2021 mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) != 0; 2022 // If the device is not provisioned and there is currently no device owner, do not set the 2023 // read-only system property yet, since Device owner may still be provisioned. For Wear 2024 // devices, if there is already a device owner then it's OK to set the property to true now, 2025 // regardless the provision state. 2026 final boolean isWatchWithDeviceOwner = mIsWatch && mOwners.hasDeviceOwner(); 2027 if (!isWatchWithDeviceOwner && !deviceProvisioned) { 2028 return; 2029 } 2030 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 2031 // always false at this point. 2032 if (StorageManager.inCryptKeeperBounce()) { 2033 return; 2034 } 2035 2036 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 2037 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 2038 } else { 2039 if (mOwners.hasDeviceOwner()) { 2040 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 2041 Slog.i(LOG_TAG, "Set ro.device_owner property to true"); 2042 2043 if (mInjector.securityLogGetLoggingEnabledProperty()) { 2044 mSecurityLogMonitor.start(); 2045 maybePauseDeviceWideLoggingLocked(); 2046 } 2047 } else { 2048 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 2049 Slog.i(LOG_TAG, "Set ro.device_owner property to false"); 2050 } 2051 } 2052 } 2053 2054 private void findOwnerComponentIfNecessaryLocked() { 2055 if (!mOwners.hasDeviceOwner()) { 2056 return; 2057 } 2058 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 2059 2060 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 2061 return; // Already a full component name. 2062 } 2063 2064 final ComponentName doComponent = findAdminComponentWithPackageLocked( 2065 doComponentName.getPackageName(), 2066 mOwners.getDeviceOwnerUserId()); 2067 if (doComponent == null) { 2068 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 2069 } else { 2070 mOwners.setDeviceOwnerWithRestrictionsMigrated( 2071 doComponent, 2072 mOwners.getDeviceOwnerName(), 2073 mOwners.getDeviceOwnerUserId(), 2074 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 2075 mOwners.writeDeviceOwner(); 2076 if (VERBOSE_LOG) { 2077 Log.v(LOG_TAG, "Device owner component filled in"); 2078 } 2079 } 2080 } 2081 2082 /** 2083 * We didn't use to persist user restrictions for each owners but only persisted in user 2084 * manager. 2085 */ 2086 private void migrateUserRestrictionsIfNecessaryLocked() { 2087 boolean migrated = false; 2088 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 2089 // except for the "system controlled" ones. 2090 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 2091 if (VERBOSE_LOG) { 2092 Log.v(LOG_TAG, "Migrating DO user restrictions"); 2093 } 2094 migrated = true; 2095 2096 // Migrate user 0 restrictions to DO. 2097 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 2098 2099 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 2100 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 2101 2102 // Push DO user restrictions to user manager. 2103 pushUserRestrictions(UserHandle.USER_SYSTEM); 2104 2105 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 2106 } 2107 2108 // Migrate for POs. 2109 2110 // The following restrictions can be set on secondary users by the device owner, so we 2111 // assume they're not from the PO. 2112 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 2113 UserManager.DISALLOW_OUTGOING_CALLS, 2114 UserManager.DISALLOW_SMS); 2115 2116 for (UserInfo ui : mUserManager.getUsers()) { 2117 final int userId = ui.id; 2118 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 2119 if (VERBOSE_LOG) { 2120 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 2121 } 2122 migrated = true; 2123 2124 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 2125 2126 final Set<String> exceptionList = 2127 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 2128 2129 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 2130 exceptionList, /* isDeviceOwner =*/ false); 2131 2132 // Note if a secondary user has no PO but has a DA that disables camera, we 2133 // don't get here and won't push the camera user restriction to UserManager 2134 // here. That's okay because we'll push user restrictions anyway when a user 2135 // starts. But we still do it because we want to let user manager persist 2136 // upon migration. 2137 pushUserRestrictions(userId); 2138 2139 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 2140 } 2141 } 2142 if (VERBOSE_LOG && migrated) { 2143 Log.v(LOG_TAG, "User restrictions migrated."); 2144 } 2145 } 2146 2147 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 2148 Set<String> exceptionList, boolean isDeviceOwner) { 2149 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 2150 user.getIdentifier()); 2151 2152 final Bundle newBaseRestrictions = new Bundle(); 2153 final Bundle newOwnerRestrictions = new Bundle(); 2154 2155 for (String key : origRestrictions.keySet()) { 2156 if (!origRestrictions.getBoolean(key)) { 2157 continue; 2158 } 2159 final boolean canOwnerChange = isDeviceOwner 2160 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 2161 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 2162 2163 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 2164 newBaseRestrictions.putBoolean(key, true); 2165 } else { 2166 newOwnerRestrictions.putBoolean(key, true); 2167 } 2168 } 2169 2170 if (VERBOSE_LOG) { 2171 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 2172 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 2173 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 2174 } 2175 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 2176 newBaseRestrictions); 2177 2178 if (admin != null) { 2179 admin.ensureUserRestrictions().clear(); 2180 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 2181 } else { 2182 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 2183 } 2184 saveSettingsLocked(user.getIdentifier()); 2185 } 2186 2187 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 2188 final DevicePolicyData policy = getUserData(userId); 2189 final int n = policy.mAdminList.size(); 2190 ComponentName found = null; 2191 int nFound = 0; 2192 for (int i = 0; i < n; i++) { 2193 final ActiveAdmin admin = policy.mAdminList.get(i); 2194 if (packageName.equals(admin.info.getPackageName())) { 2195 // Found! 2196 if (nFound == 0) { 2197 found = admin.info.getComponent(); 2198 } 2199 nFound++; 2200 } 2201 } 2202 if (nFound > 1) { 2203 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 2204 } 2205 return found; 2206 } 2207 2208 /** 2209 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 2210 * reminders. Clears alarm if no expirations are configured. 2211 */ 2212 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 2213 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 2214 final long now = System.currentTimeMillis(); 2215 final long timeToExpire = expiration - now; 2216 final long alarmTime; 2217 if (expiration == 0) { 2218 // No expirations are currently configured: Cancel alarm. 2219 alarmTime = 0; 2220 } else if (timeToExpire <= 0) { 2221 // The password has already expired: Repeat every 24 hours. 2222 alarmTime = now + MS_PER_DAY; 2223 } else { 2224 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 2225 // the expiration time. 2226 long alarmInterval = timeToExpire % MS_PER_DAY; 2227 if (alarmInterval == 0) { 2228 alarmInterval = MS_PER_DAY; 2229 } 2230 alarmTime = now + alarmInterval; 2231 } 2232 2233 long token = mInjector.binderClearCallingIdentity(); 2234 try { 2235 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 2236 AlarmManager am = mInjector.getAlarmManager(); 2237 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 2238 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 2239 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 2240 UserHandle.of(affectedUserHandle)); 2241 am.cancel(pi); 2242 if (alarmTime != 0) { 2243 am.set(AlarmManager.RTC, alarmTime, pi); 2244 } 2245 } finally { 2246 mInjector.binderRestoreCallingIdentity(token); 2247 } 2248 } 2249 2250 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 2251 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 2252 if (admin != null 2253 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 2254 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 2255 return admin; 2256 } 2257 return null; 2258 } 2259 2260 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 2261 if (parent) { 2262 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 2263 } 2264 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2265 if (admin != null && parent) { 2266 admin = admin.getParentActiveAdmin(); 2267 } 2268 return admin; 2269 } 2270 2271 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 2272 throws SecurityException { 2273 final int callingUid = mInjector.binderGetCallingUid(); 2274 2275 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 2276 if (result != null) { 2277 return result; 2278 } 2279 2280 if (who != null) { 2281 final int userId = UserHandle.getUserId(callingUid); 2282 final DevicePolicyData policy = getUserData(userId); 2283 ActiveAdmin admin = policy.mAdminMap.get(who); 2284 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2285 throw new SecurityException("Admin " + admin.info.getComponent() 2286 + " does not own the device"); 2287 } 2288 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2289 throw new SecurityException("Admin " + admin.info.getComponent() 2290 + " does not own the profile"); 2291 } 2292 throw new SecurityException("Admin " + admin.info.getComponent() 2293 + " did not specify uses-policy for: " 2294 + admin.info.getTagForPolicy(reqPolicy)); 2295 } else { 2296 throw new SecurityException("No active admin owned by uid " 2297 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 2298 } 2299 } 2300 2301 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 2302 throws SecurityException { 2303 if (parent) { 2304 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 2305 "call APIs on the parent profile"); 2306 } 2307 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 2308 return parent ? admin.getParentActiveAdmin() : admin; 2309 } 2310 /** 2311 * Find the admin for the component and userId bit of the uid, then check 2312 * the admin's uid matches the uid. 2313 */ 2314 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 2315 final int userId = UserHandle.getUserId(uid); 2316 final DevicePolicyData policy = getUserData(userId); 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 return admin; 2325 } 2326 2327 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 2328 int uid) { 2329 // Try to find an admin which can use reqPolicy 2330 final int userId = UserHandle.getUserId(uid); 2331 final DevicePolicyData policy = getUserData(userId); 2332 if (who != null) { 2333 ActiveAdmin admin = policy.mAdminMap.get(who); 2334 if (admin == null) { 2335 throw new SecurityException("No active admin " + who); 2336 } 2337 if (admin.getUid() != uid) { 2338 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2339 } 2340 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 2341 return admin; 2342 } 2343 } else { 2344 for (ActiveAdmin admin : policy.mAdminList) { 2345 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 2346 userId)) { 2347 return admin; 2348 } 2349 } 2350 } 2351 2352 return null; 2353 } 2354 2355 @VisibleForTesting 2356 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 2357 int userId) { 2358 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 2359 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 2360 2361 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2362 return ownsDevice; 2363 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2364 // DO always has the PO power. 2365 return ownsDevice || ownsProfile; 2366 } else { 2367 return admin.info.usesPolicy(reqPolicy); 2368 } 2369 } 2370 2371 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 2372 sendAdminCommandLocked(admin, action, null); 2373 } 2374 2375 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 2376 sendAdminCommandLocked(admin, action, null, result); 2377 } 2378 2379 /** 2380 * Send an update to one specific admin, get notified when that admin returns a result. 2381 */ 2382 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 2383 BroadcastReceiver result) { 2384 Intent intent = new Intent(action); 2385 intent.setComponent(admin.info.getComponent()); 2386 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 2387 intent.putExtra("expiration", admin.passwordExpirationDate); 2388 } 2389 if (adminExtras != null) { 2390 intent.putExtras(adminExtras); 2391 } 2392 if (result != null) { 2393 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2394 null, result, mHandler, Activity.RESULT_OK, null, null); 2395 } else { 2396 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2397 } 2398 } 2399 2400 /** 2401 * Send an update to all admins of a user that enforce a specified policy. 2402 */ 2403 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle, Bundle adminExtras) { 2404 final DevicePolicyData policy = getUserData(userHandle); 2405 final int count = policy.mAdminList.size(); 2406 for (int i = 0; i < count; i++) { 2407 final ActiveAdmin admin = policy.mAdminList.get(i); 2408 if (admin.info.usesPolicy(reqPolicy)) { 2409 sendAdminCommandLocked(admin, action, adminExtras, null); 2410 } 2411 } 2412 } 2413 2414 /** 2415 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2416 * enforce a specified policy. 2417 */ 2418 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2419 int userHandle, Bundle adminExtras) { 2420 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 2421 for (int profileId : profileIds) { 2422 sendAdminCommandLocked(action, reqPolicy, profileId, adminExtras); 2423 } 2424 } 2425 2426 /** 2427 * Sends a broadcast to each profile that share the password unlock with the given user id. 2428 */ 2429 private void sendAdminCommandForLockscreenPoliciesLocked( 2430 String action, int reqPolicy, int userHandle) { 2431 final Bundle extras = new Bundle(); 2432 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 2433 if (isSeparateProfileChallengeEnabled(userHandle)) { 2434 sendAdminCommandLocked(action, reqPolicy, userHandle, extras); 2435 } else { 2436 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle, extras); 2437 } 2438 } 2439 2440 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2441 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2442 DevicePolicyData policy = getUserData(userHandle); 2443 if (admin != null && !policy.mRemovingAdmins.contains(adminReceiver)) { 2444 policy.mRemovingAdmins.add(adminReceiver); 2445 sendAdminCommandLocked(admin, 2446 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2447 new BroadcastReceiver() { 2448 @Override 2449 public void onReceive(Context context, Intent intent) { 2450 removeAdminArtifacts(adminReceiver, userHandle); 2451 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2452 } 2453 }); 2454 } 2455 } 2456 2457 2458 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2459 boolean throwForMissiongPermission) { 2460 if (!mHasFeature) { 2461 return null; 2462 } 2463 enforceFullCrossUsersPermission(userHandle); 2464 ActivityInfo ai = null; 2465 try { 2466 ai = mIPackageManager.getReceiverInfo(adminName, 2467 PackageManager.GET_META_DATA | 2468 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | 2469 PackageManager.MATCH_DIRECT_BOOT_AWARE | 2470 PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); 2471 } catch (RemoteException e) { 2472 // shouldn't happen. 2473 } 2474 if (ai == null) { 2475 throw new IllegalArgumentException("Unknown admin: " + adminName); 2476 } 2477 2478 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2479 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2480 + permission.BIND_DEVICE_ADMIN; 2481 Slog.w(LOG_TAG, message); 2482 if (throwForMissiongPermission && 2483 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2484 throw new IllegalArgumentException(message); 2485 } 2486 } 2487 2488 try { 2489 return new DeviceAdminInfo(mContext, ai); 2490 } catch (XmlPullParserException | IOException e) { 2491 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2492 e); 2493 return null; 2494 } 2495 } 2496 2497 private JournaledFile makeJournaledFile(int userHandle) { 2498 final String base = userHandle == UserHandle.USER_SYSTEM 2499 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2500 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2501 DEVICE_POLICIES_XML).getAbsolutePath(); 2502 if (VERBOSE_LOG) { 2503 Log.v(LOG_TAG, "Opening " + base); 2504 } 2505 return new JournaledFile(new File(base), new File(base + ".tmp")); 2506 } 2507 2508 private void saveSettingsLocked(int userHandle) { 2509 DevicePolicyData policy = getUserData(userHandle); 2510 JournaledFile journal = makeJournaledFile(userHandle); 2511 FileOutputStream stream = null; 2512 try { 2513 stream = new FileOutputStream(journal.chooseForWrite(), false); 2514 XmlSerializer out = new FastXmlSerializer(); 2515 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2516 out.startDocument(null, true); 2517 2518 out.startTag(null, "policies"); 2519 if (policy.mRestrictionsProvider != null) { 2520 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2521 policy.mRestrictionsProvider.flattenToString()); 2522 } 2523 if (policy.mUserSetupComplete) { 2524 out.attribute(null, ATTR_SETUP_COMPLETE, 2525 Boolean.toString(true)); 2526 } 2527 if (policy.mPaired) { 2528 out.attribute(null, ATTR_DEVICE_PAIRED, 2529 Boolean.toString(true)); 2530 } 2531 if (policy.mDeviceProvisioningConfigApplied) { 2532 out.attribute(null, ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED, 2533 Boolean.toString(true)); 2534 } 2535 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2536 out.attribute(null, ATTR_PROVISIONING_STATE, 2537 Integer.toString(policy.mUserProvisioningState)); 2538 } 2539 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2540 out.attribute(null, ATTR_PERMISSION_POLICY, 2541 Integer.toString(policy.mPermissionPolicy)); 2542 } 2543 2544 // Serialize delegations. 2545 for (int i = 0; i < policy.mDelegationMap.size(); ++i) { 2546 final String delegatePackage = policy.mDelegationMap.keyAt(i); 2547 final List<String> scopes = policy.mDelegationMap.valueAt(i); 2548 2549 // Every "delegation" tag serializes the information of one delegate-scope pair. 2550 for (String scope : scopes) { 2551 out.startTag(null, "delegation"); 2552 out.attribute(null, "delegatePackage", delegatePackage); 2553 out.attribute(null, "scope", scope); 2554 out.endTag(null, "delegation"); 2555 } 2556 } 2557 2558 final int N = policy.mAdminList.size(); 2559 for (int i=0; i<N; i++) { 2560 ActiveAdmin ap = policy.mAdminList.get(i); 2561 if (ap != null) { 2562 out.startTag(null, "admin"); 2563 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2564 ap.writeToXml(out); 2565 out.endTag(null, "admin"); 2566 } 2567 } 2568 2569 if (policy.mPasswordOwner >= 0) { 2570 out.startTag(null, "password-owner"); 2571 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2572 out.endTag(null, "password-owner"); 2573 } 2574 2575 if (policy.mFailedPasswordAttempts != 0) { 2576 out.startTag(null, "failed-password-attempts"); 2577 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2578 out.endTag(null, "failed-password-attempts"); 2579 } 2580 2581 // For FDE devices only, we save this flag so we can report on password sufficiency 2582 // before the user enters their password for the first time after a reboot. For 2583 // security reasons, we don't want to store the full set of active password metrics. 2584 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 2585 out.startTag(null, TAG_PASSWORD_VALIDITY); 2586 out.attribute(null, ATTR_VALUE, 2587 Boolean.toString(policy.mPasswordValidAtLastCheckpoint)); 2588 out.endTag(null, TAG_PASSWORD_VALIDITY); 2589 } 2590 2591 for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { 2592 out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2593 out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); 2594 out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2595 } 2596 2597 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2598 String component = policy.mLockTaskPackages.get(i); 2599 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2600 out.attribute(null, "name", component); 2601 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2602 } 2603 2604 if (policy.mStatusBarDisabled) { 2605 out.startTag(null, TAG_STATUS_BAR); 2606 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2607 out.endTag(null, TAG_STATUS_BAR); 2608 } 2609 2610 if (policy.doNotAskCredentialsOnBoot) { 2611 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2612 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2613 } 2614 2615 for (String id : policy.mAffiliationIds) { 2616 out.startTag(null, TAG_AFFILIATION_ID); 2617 out.attribute(null, ATTR_ID, id); 2618 out.endTag(null, TAG_AFFILIATION_ID); 2619 } 2620 2621 if (policy.mLastSecurityLogRetrievalTime >= 0) { 2622 out.startTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2623 out.attribute(null, ATTR_VALUE, 2624 Long.toString(policy.mLastSecurityLogRetrievalTime)); 2625 out.endTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2626 } 2627 2628 if (policy.mLastBugReportRequestTime >= 0) { 2629 out.startTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2630 out.attribute(null, ATTR_VALUE, 2631 Long.toString(policy.mLastBugReportRequestTime)); 2632 out.endTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2633 } 2634 2635 if (policy.mLastNetworkLogsRetrievalTime >= 0) { 2636 out.startTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2637 out.attribute(null, ATTR_VALUE, 2638 Long.toString(policy.mLastNetworkLogsRetrievalTime)); 2639 out.endTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2640 } 2641 2642 if (policy.mAdminBroadcastPending) { 2643 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2644 out.attribute(null, ATTR_VALUE, 2645 Boolean.toString(policy.mAdminBroadcastPending)); 2646 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2647 } 2648 2649 if (policy.mInitBundle != null) { 2650 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2651 policy.mInitBundle.saveToXml(out); 2652 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2653 } 2654 2655 if (policy.mPasswordTokenHandle != 0) { 2656 out.startTag(null, TAG_PASSWORD_TOKEN_HANDLE); 2657 out.attribute(null, ATTR_VALUE, 2658 Long.toString(policy.mPasswordTokenHandle)); 2659 out.endTag(null, TAG_PASSWORD_TOKEN_HANDLE); 2660 } 2661 2662 if (policy.mCurrentInputMethodSet) { 2663 out.startTag(null, TAG_CURRENT_INPUT_METHOD_SET); 2664 out.endTag(null, TAG_CURRENT_INPUT_METHOD_SET); 2665 } 2666 2667 for (final String cert : policy.mOwnerInstalledCaCerts) { 2668 out.startTag(null, TAG_OWNER_INSTALLED_CA_CERT); 2669 out.attribute(null, ATTR_ALIAS, cert); 2670 out.endTag(null, TAG_OWNER_INSTALLED_CA_CERT); 2671 } 2672 2673 out.endTag(null, "policies"); 2674 2675 out.endDocument(); 2676 stream.flush(); 2677 FileUtils.sync(stream); 2678 stream.close(); 2679 journal.commit(); 2680 sendChangedNotification(userHandle); 2681 } catch (XmlPullParserException | IOException e) { 2682 Slog.w(LOG_TAG, "failed writing file", e); 2683 try { 2684 if (stream != null) { 2685 stream.close(); 2686 } 2687 } catch (IOException ex) { 2688 // Ignore 2689 } 2690 journal.rollback(); 2691 } 2692 } 2693 2694 private void sendChangedNotification(int userHandle) { 2695 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2696 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2697 long ident = mInjector.binderClearCallingIdentity(); 2698 try { 2699 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2700 } finally { 2701 mInjector.binderRestoreCallingIdentity(ident); 2702 } 2703 } 2704 2705 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2706 JournaledFile journal = makeJournaledFile(userHandle); 2707 FileInputStream stream = null; 2708 File file = journal.chooseForRead(); 2709 boolean needsRewrite = false; 2710 try { 2711 stream = new FileInputStream(file); 2712 XmlPullParser parser = Xml.newPullParser(); 2713 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2714 2715 int type; 2716 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2717 && type != XmlPullParser.START_TAG) { 2718 } 2719 String tag = parser.getName(); 2720 if (!"policies".equals(tag)) { 2721 throw new XmlPullParserException( 2722 "Settings do not start with policies tag: found " + tag); 2723 } 2724 2725 // Extract the permission provider component name if available 2726 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2727 if (permissionProvider != null) { 2728 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2729 } 2730 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2731 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2732 policy.mUserSetupComplete = true; 2733 } 2734 String paired = parser.getAttributeValue(null, ATTR_DEVICE_PAIRED); 2735 if (paired != null && Boolean.toString(true).equals(paired)) { 2736 policy.mPaired = true; 2737 } 2738 String deviceProvisioningConfigApplied = parser.getAttributeValue(null, 2739 ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED); 2740 if (deviceProvisioningConfigApplied != null 2741 && Boolean.toString(true).equals(deviceProvisioningConfigApplied)) { 2742 policy.mDeviceProvisioningConfigApplied = true; 2743 } 2744 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2745 if (!TextUtils.isEmpty(provisioningState)) { 2746 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2747 } 2748 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2749 if (!TextUtils.isEmpty(permissionPolicy)) { 2750 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2751 } 2752 // Check for delegation compatibility with pre-O. 2753 // TODO(edmanp) remove in P. 2754 { 2755 final String certDelegate = parser.getAttributeValue(null, 2756 ATTR_DELEGATED_CERT_INSTALLER); 2757 if (certDelegate != null) { 2758 List<String> scopes = policy.mDelegationMap.get(certDelegate); 2759 if (scopes == null) { 2760 scopes = new ArrayList<>(); 2761 policy.mDelegationMap.put(certDelegate, scopes); 2762 } 2763 if (!scopes.contains(DELEGATION_CERT_INSTALL)) { 2764 scopes.add(DELEGATION_CERT_INSTALL); 2765 needsRewrite = true; 2766 } 2767 } 2768 final String appRestrictionsDelegate = parser.getAttributeValue(null, 2769 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2770 if (appRestrictionsDelegate != null) { 2771 List<String> scopes = policy.mDelegationMap.get(appRestrictionsDelegate); 2772 if (scopes == null) { 2773 scopes = new ArrayList<>(); 2774 policy.mDelegationMap.put(appRestrictionsDelegate, scopes); 2775 } 2776 if (!scopes.contains(DELEGATION_APP_RESTRICTIONS)) { 2777 scopes.add(DELEGATION_APP_RESTRICTIONS); 2778 needsRewrite = true; 2779 } 2780 } 2781 } 2782 2783 type = parser.next(); 2784 int outerDepth = parser.getDepth(); 2785 policy.mLockTaskPackages.clear(); 2786 policy.mAdminList.clear(); 2787 policy.mAdminMap.clear(); 2788 policy.mAffiliationIds.clear(); 2789 policy.mOwnerInstalledCaCerts.clear(); 2790 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2791 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2792 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2793 continue; 2794 } 2795 tag = parser.getName(); 2796 if ("admin".equals(tag)) { 2797 String name = parser.getAttributeValue(null, "name"); 2798 try { 2799 DeviceAdminInfo dai = findAdmin( 2800 ComponentName.unflattenFromString(name), userHandle, 2801 /* throwForMissionPermission= */ false); 2802 if (VERBOSE_LOG 2803 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2804 != userHandle)) { 2805 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2806 + dai.getActivityInfo().applicationInfo.uid + " for user " 2807 + userHandle); 2808 } 2809 if (dai != null) { 2810 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2811 ap.readFromXml(parser); 2812 policy.mAdminMap.put(ap.info.getComponent(), ap); 2813 } 2814 } catch (RuntimeException e) { 2815 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2816 } 2817 } else if ("delegation".equals(tag)) { 2818 // Parse delegation info. 2819 final String delegatePackage = parser.getAttributeValue(null, 2820 "delegatePackage"); 2821 final String scope = parser.getAttributeValue(null, "scope"); 2822 2823 // Get a reference to the scopes list for the delegatePackage. 2824 List<String> scopes = policy.mDelegationMap.get(delegatePackage); 2825 // Or make a new list if none was found. 2826 if (scopes == null) { 2827 scopes = new ArrayList<>(); 2828 policy.mDelegationMap.put(delegatePackage, scopes); 2829 } 2830 // Add the new scope to the list of delegatePackage if it's not already there. 2831 if (!scopes.contains(scope)) { 2832 scopes.add(scope); 2833 } 2834 } else if ("failed-password-attempts".equals(tag)) { 2835 policy.mFailedPasswordAttempts = Integer.parseInt( 2836 parser.getAttributeValue(null, "value")); 2837 } else if ("password-owner".equals(tag)) { 2838 policy.mPasswordOwner = Integer.parseInt( 2839 parser.getAttributeValue(null, "value")); 2840 } else if (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { 2841 policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); 2842 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2843 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2844 } else if (TAG_STATUS_BAR.equals(tag)) { 2845 policy.mStatusBarDisabled = Boolean.parseBoolean( 2846 parser.getAttributeValue(null, ATTR_DISABLED)); 2847 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2848 policy.doNotAskCredentialsOnBoot = true; 2849 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2850 policy.mAffiliationIds.add(parser.getAttributeValue(null, ATTR_ID)); 2851 } else if (TAG_LAST_SECURITY_LOG_RETRIEVAL.equals(tag)) { 2852 policy.mLastSecurityLogRetrievalTime = Long.parseLong( 2853 parser.getAttributeValue(null, ATTR_VALUE)); 2854 } else if (TAG_LAST_BUG_REPORT_REQUEST.equals(tag)) { 2855 policy.mLastBugReportRequestTime = Long.parseLong( 2856 parser.getAttributeValue(null, ATTR_VALUE)); 2857 } else if (TAG_LAST_NETWORK_LOG_RETRIEVAL.equals(tag)) { 2858 policy.mLastNetworkLogsRetrievalTime = Long.parseLong( 2859 parser.getAttributeValue(null, ATTR_VALUE)); 2860 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2861 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2862 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2863 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2864 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2865 } else if ("active-password".equals(tag)) { 2866 // Remove password metrics from saved settings, as we no longer wish to store 2867 // these on disk 2868 needsRewrite = true; 2869 } else if (TAG_PASSWORD_VALIDITY.equals(tag)) { 2870 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 2871 // This flag is only used for FDE devices 2872 policy.mPasswordValidAtLastCheckpoint = Boolean.parseBoolean( 2873 parser.getAttributeValue(null, ATTR_VALUE)); 2874 } 2875 } else if (TAG_PASSWORD_TOKEN_HANDLE.equals(tag)) { 2876 policy.mPasswordTokenHandle = Long.parseLong( 2877 parser.getAttributeValue(null, ATTR_VALUE)); 2878 } else if (TAG_CURRENT_INPUT_METHOD_SET.equals(tag)) { 2879 policy.mCurrentInputMethodSet = true; 2880 } else if (TAG_OWNER_INSTALLED_CA_CERT.equals(tag)) { 2881 policy.mOwnerInstalledCaCerts.add(parser.getAttributeValue(null, ATTR_ALIAS)); 2882 } else { 2883 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2884 XmlUtils.skipCurrentTag(parser); 2885 } 2886 } 2887 } catch (FileNotFoundException e) { 2888 // Don't be noisy, this is normal if we haven't defined any policies. 2889 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2890 | IndexOutOfBoundsException e) { 2891 Slog.w(LOG_TAG, "failed parsing " + file, e); 2892 } 2893 try { 2894 if (stream != null) { 2895 stream.close(); 2896 } 2897 } catch (IOException e) { 2898 // Ignore 2899 } 2900 2901 // Generate a list of admins from the admin map 2902 policy.mAdminList.addAll(policy.mAdminMap.values()); 2903 2904 // Might need to upgrade the file by rewriting it 2905 if (needsRewrite) { 2906 saveSettingsLocked(userHandle); 2907 } 2908 2909 validatePasswordOwnerLocked(policy); 2910 updateMaximumTimeToLockLocked(userHandle); 2911 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2912 if (policy.mStatusBarDisabled) { 2913 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2914 } 2915 } 2916 2917 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2918 long ident = mInjector.binderClearCallingIdentity(); 2919 try { 2920 mInjector.getIActivityManager() 2921 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2922 } catch (RemoteException e) { 2923 // Not gonna happen. 2924 } finally { 2925 mInjector.binderRestoreCallingIdentity(ident); 2926 } 2927 } 2928 2929 private void updateDeviceOwnerLocked() { 2930 long ident = mInjector.binderClearCallingIdentity(); 2931 try { 2932 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2933 // user id and also protect all other DAs too. 2934 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2935 if (deviceOwnerComponent != null) { 2936 mInjector.getIActivityManager() 2937 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2938 } 2939 } catch (RemoteException e) { 2940 // Not gonna happen. 2941 } finally { 2942 mInjector.binderRestoreCallingIdentity(ident); 2943 } 2944 } 2945 2946 static void validateQualityConstant(int quality) { 2947 switch (quality) { 2948 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2949 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2950 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2951 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2952 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2953 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2954 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2955 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2956 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2957 return; 2958 } 2959 throw new IllegalArgumentException("Invalid quality constant: 0x" 2960 + Integer.toHexString(quality)); 2961 } 2962 2963 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2964 if (policy.mPasswordOwner >= 0) { 2965 boolean haveOwner = false; 2966 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2967 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2968 haveOwner = true; 2969 break; 2970 } 2971 } 2972 if (!haveOwner) { 2973 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2974 + " no longer active; disabling"); 2975 policy.mPasswordOwner = -1; 2976 } 2977 } 2978 } 2979 2980 @VisibleForTesting 2981 void systemReady(int phase) { 2982 if (!mHasFeature) { 2983 return; 2984 } 2985 switch (phase) { 2986 case SystemService.PHASE_LOCK_SETTINGS_READY: 2987 onLockSettingsReady(); 2988 break; 2989 case SystemService.PHASE_BOOT_COMPLETED: 2990 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2991 break; 2992 } 2993 } 2994 2995 private void onLockSettingsReady() { 2996 getUserData(UserHandle.USER_SYSTEM); 2997 loadOwners(); 2998 cleanUpOldUsers(); 2999 maybeSetDefaultProfileOwnerUserRestrictions(); 3000 handleStartUser(UserHandle.USER_SYSTEM); 3001 3002 // Register an observer for watching for user setup complete and settings changes. 3003 mSetupContentObserver.register(); 3004 // Initialize the user setup state, to handle the upgrade case. 3005 updateUserSetupCompleteAndPaired(); 3006 3007 List<String> packageList; 3008 synchronized (this) { 3009 packageList = getKeepUninstalledPackagesLocked(); 3010 } 3011 if (packageList != null) { 3012 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 3013 } 3014 3015 synchronized (this) { 3016 // push the force-ephemeral-users policy to the user manager. 3017 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 3018 if (deviceOwner != null) { 3019 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 3020 } 3021 } 3022 } 3023 3024 private void ensureDeviceOwnerUserStarted() { 3025 final int userId; 3026 synchronized (this) { 3027 if (!mOwners.hasDeviceOwner()) { 3028 return; 3029 } 3030 userId = mOwners.getDeviceOwnerUserId(); 3031 } 3032 if (VERBOSE_LOG) { 3033 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 3034 } 3035 if (userId != UserHandle.USER_SYSTEM) { 3036 try { 3037 mInjector.getIActivityManager().startUserInBackground(userId); 3038 3039 // STOPSHIP Prevent the DO user from being killed. 3040 3041 } catch (RemoteException e) { 3042 Slog.w(LOG_TAG, "Exception starting user", e); 3043 } 3044 } 3045 } 3046 3047 void handleStartUser(int userId) { 3048 updateScreenCaptureDisabledInWindowManager(userId, 3049 getScreenCaptureDisabled(null, userId)); 3050 pushUserRestrictions(userId); 3051 3052 startOwnerService(userId, "start-user"); 3053 } 3054 3055 void handleUnlockUser(int userId) { 3056 startOwnerService(userId, "unlock-user"); 3057 } 3058 3059 void handleStopUser(int userId) { 3060 stopOwnerService(userId, "stop-user"); 3061 } 3062 3063 private void startOwnerService(int userId, String actionForLog) { 3064 final ComponentName owner = getOwnerComponent(userId); 3065 if (owner != null) { 3066 mDeviceAdminServiceController.startServiceForOwner( 3067 owner.getPackageName(), userId, actionForLog); 3068 } 3069 } 3070 3071 private void stopOwnerService(int userId, String actionForLog) { 3072 mDeviceAdminServiceController.stopServiceForOwner(userId, actionForLog); 3073 } 3074 3075 private void cleanUpOldUsers() { 3076 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 3077 // before reboot 3078 Set<Integer> usersWithProfileOwners; 3079 Set<Integer> usersWithData; 3080 synchronized(this) { 3081 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 3082 usersWithData = new ArraySet<>(); 3083 for (int i = 0; i < mUserData.size(); i++) { 3084 usersWithData.add(mUserData.keyAt(i)); 3085 } 3086 } 3087 List<UserInfo> allUsers = mUserManager.getUsers(); 3088 3089 Set<Integer> deletedUsers = new ArraySet<>(); 3090 deletedUsers.addAll(usersWithProfileOwners); 3091 deletedUsers.addAll(usersWithData); 3092 for (UserInfo userInfo : allUsers) { 3093 deletedUsers.remove(userInfo.id); 3094 } 3095 for (Integer userId : deletedUsers) { 3096 removeUserData(userId); 3097 } 3098 } 3099 3100 private void handlePasswordExpirationNotification(int userHandle) { 3101 final Bundle adminExtras = new Bundle(); 3102 adminExtras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 3103 3104 synchronized (this) { 3105 final long now = System.currentTimeMillis(); 3106 3107 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 3108 userHandle, /* parent */ false); 3109 final int N = admins.size(); 3110 for (int i = 0; i < N; i++) { 3111 ActiveAdmin admin = admins.get(i); 3112 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 3113 && admin.passwordExpirationTimeout > 0L 3114 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 3115 && admin.passwordExpirationDate > 0L) { 3116 sendAdminCommandLocked(admin, 3117 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING, adminExtras, null); 3118 } 3119 } 3120 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 3121 } 3122 } 3123 3124 /** 3125 * Clean up internal state when the set of installed trusted CA certificates changes. 3126 * 3127 * @param userHandle user to check for. This must be a real user and not, for example, 3128 * {@link UserHandle#ALL}. 3129 * @param installedCertificates the full set of certificate authorities currently installed for 3130 * {@param userHandle}. After calling this function, {@code mAcceptedCaCertificates} will 3131 * correspond to some subset of this. 3132 */ 3133 protected void onInstalledCertificatesChanged(final UserHandle userHandle, 3134 final @NonNull Collection<String> installedCertificates) { 3135 if (!mHasFeature) { 3136 return; 3137 } 3138 enforceManageUsers(); 3139 3140 synchronized (this) { 3141 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 3142 3143 boolean changed = false; 3144 changed |= policy.mAcceptedCaCertificates.retainAll(installedCertificates); 3145 changed |= policy.mOwnerInstalledCaCerts.retainAll(installedCertificates); 3146 if (changed) { 3147 saveSettingsLocked(userHandle.getIdentifier()); 3148 } 3149 } 3150 } 3151 3152 /** 3153 * Internal method used by {@link CertificateMonitor}. 3154 */ 3155 protected Set<String> getAcceptedCaCertificates(final UserHandle userHandle) { 3156 if (!mHasFeature) { 3157 return Collections.<String> emptySet(); 3158 } 3159 synchronized (this) { 3160 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 3161 return policy.mAcceptedCaCertificates; 3162 } 3163 } 3164 3165 /** 3166 * @param adminReceiver The admin to add 3167 * @param refreshing true = update an active admin, no error 3168 */ 3169 @Override 3170 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 3171 if (!mHasFeature) { 3172 return; 3173 } 3174 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 3175 } 3176 3177 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 3178 Bundle onEnableData) { 3179 mContext.enforceCallingOrSelfPermission( 3180 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3181 enforceFullCrossUsersPermission(userHandle); 3182 3183 DevicePolicyData policy = getUserData(userHandle); 3184 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 3185 /* throwForMissionPermission= */ true); 3186 if (info == null) { 3187 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 3188 } 3189 if (!info.getActivityInfo().applicationInfo.isInternal()) { 3190 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 3191 + adminReceiver); 3192 } 3193 if (info.getActivityInfo().applicationInfo.isInstantApp()) { 3194 throw new IllegalArgumentException("Instant apps cannot be device admins: " 3195 + adminReceiver); 3196 } 3197 synchronized (this) { 3198 long ident = mInjector.binderClearCallingIdentity(); 3199 try { 3200 final ActiveAdmin existingAdmin 3201 = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3202 if (!refreshing && existingAdmin != null) { 3203 throw new IllegalArgumentException("Admin is already added"); 3204 } 3205 if (policy.mRemovingAdmins.contains(adminReceiver)) { 3206 throw new IllegalArgumentException( 3207 "Trying to set an admin which is being removed"); 3208 } 3209 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 3210 newAdmin.testOnlyAdmin = 3211 (existingAdmin != null) ? existingAdmin.testOnlyAdmin 3212 : isPackageTestOnly(adminReceiver.getPackageName(), userHandle); 3213 policy.mAdminMap.put(adminReceiver, newAdmin); 3214 int replaceIndex = -1; 3215 final int N = policy.mAdminList.size(); 3216 for (int i=0; i < N; i++) { 3217 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 3218 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 3219 replaceIndex = i; 3220 break; 3221 } 3222 } 3223 if (replaceIndex == -1) { 3224 policy.mAdminList.add(newAdmin); 3225 enableIfNecessary(info.getPackageName(), userHandle); 3226 } else { 3227 policy.mAdminList.set(replaceIndex, newAdmin); 3228 } 3229 saveSettingsLocked(userHandle); 3230 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 3231 onEnableData, null); 3232 } finally { 3233 mInjector.binderRestoreCallingIdentity(ident); 3234 } 3235 } 3236 } 3237 3238 @Override 3239 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 3240 if (!mHasFeature) { 3241 return false; 3242 } 3243 enforceFullCrossUsersPermission(userHandle); 3244 synchronized (this) { 3245 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 3246 } 3247 } 3248 3249 @Override 3250 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 3251 if (!mHasFeature) { 3252 return false; 3253 } 3254 enforceFullCrossUsersPermission(userHandle); 3255 synchronized (this) { 3256 DevicePolicyData policyData = getUserData(userHandle); 3257 return policyData.mRemovingAdmins.contains(adminReceiver); 3258 } 3259 } 3260 3261 @Override 3262 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 3263 if (!mHasFeature) { 3264 return false; 3265 } 3266 enforceFullCrossUsersPermission(userHandle); 3267 synchronized (this) { 3268 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3269 if (administrator == null) { 3270 throw new SecurityException("No active admin " + adminReceiver); 3271 } 3272 return administrator.info.usesPolicy(policyId); 3273 } 3274 } 3275 3276 @Override 3277 @SuppressWarnings("unchecked") 3278 public List<ComponentName> getActiveAdmins(int userHandle) { 3279 if (!mHasFeature) { 3280 return Collections.EMPTY_LIST; 3281 } 3282 3283 enforceFullCrossUsersPermission(userHandle); 3284 synchronized (this) { 3285 DevicePolicyData policy = getUserData(userHandle); 3286 final int N = policy.mAdminList.size(); 3287 if (N <= 0) { 3288 return null; 3289 } 3290 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 3291 for (int i=0; i<N; i++) { 3292 res.add(policy.mAdminList.get(i).info.getComponent()); 3293 } 3294 return res; 3295 } 3296 } 3297 3298 @Override 3299 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 3300 if (!mHasFeature) { 3301 return false; 3302 } 3303 enforceFullCrossUsersPermission(userHandle); 3304 synchronized (this) { 3305 DevicePolicyData policy = getUserData(userHandle); 3306 final int N = policy.mAdminList.size(); 3307 for (int i=0; i<N; i++) { 3308 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 3309 return true; 3310 } 3311 } 3312 return false; 3313 } 3314 } 3315 3316 public void forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { 3317 if (!mHasFeature) { 3318 return; 3319 } 3320 Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); 3321 enforceShell("forceRemoveActiveAdmin"); 3322 long ident = mInjector.binderClearCallingIdentity(); 3323 try { 3324 synchronized (this) { 3325 if (!isAdminTestOnlyLocked(adminReceiver, userHandle)) { 3326 throw new SecurityException("Attempt to remove non-test admin " 3327 + adminReceiver + " " + userHandle); 3328 } 3329 3330 // If admin is a device or profile owner tidy that up first. 3331 if (isDeviceOwner(adminReceiver, userHandle)) { 3332 clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); 3333 } 3334 if (isProfileOwner(adminReceiver, userHandle)) { 3335 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, 3336 userHandle, /* parent */ false); 3337 clearProfileOwnerLocked(admin, userHandle); 3338 } 3339 } 3340 // Remove the admin skipping sending the broadcast. 3341 removeAdminArtifacts(adminReceiver, userHandle); 3342 Slog.i(LOG_TAG, "Admin " + adminReceiver + " removed from user " + userHandle); 3343 } finally { 3344 mInjector.binderRestoreCallingIdentity(ident); 3345 } 3346 } 3347 3348 private void clearDeviceOwnerUserRestrictionLocked(UserHandle userHandle) { 3349 // ManagedProvisioning/DPC sets DISALLOW_ADD_USER. Clear to recover to the original state 3350 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_USER, userHandle)) { 3351 mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_USER, false, userHandle); 3352 } 3353 } 3354 3355 /** 3356 * Return if a given package has testOnly="true", in which case we'll relax certain rules 3357 * for CTS. 3358 * 3359 * DO NOT use this method except in {@link #setActiveAdmin}. Use {@link #isAdminTestOnlyLocked} 3360 * to check wehter an active admin is test-only or not. 3361 * 3362 * The system allows this flag to be changed when an app is updated, which is not good 3363 * for us. So we persist the flag in {@link ActiveAdmin} when an admin is first installed, 3364 * and used the persisted version in actual checks. (See b/31382361 and b/28928996) 3365 */ 3366 private boolean isPackageTestOnly(String packageName, int userHandle) { 3367 final ApplicationInfo ai; 3368 try { 3369 ai = mIPackageManager.getApplicationInfo(packageName, 3370 (PackageManager.MATCH_DIRECT_BOOT_AWARE 3371 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE), userHandle); 3372 } catch (RemoteException e) { 3373 throw new IllegalStateException(e); 3374 } 3375 if (ai == null) { 3376 throw new IllegalStateException("Couldn't find package: " 3377 + packageName + " on user " + userHandle); 3378 } 3379 return (ai.flags & ApplicationInfo.FLAG_TEST_ONLY) != 0; 3380 } 3381 3382 /** 3383 * See {@link #isPackageTestOnly}. 3384 */ 3385 private boolean isAdminTestOnlyLocked(ComponentName who, int userHandle) { 3386 final ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3387 return (admin != null) && admin.testOnlyAdmin; 3388 } 3389 3390 private void enforceShell(String method) { 3391 final int callingUid = Binder.getCallingUid(); 3392 if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { 3393 throw new SecurityException("Non-shell user attempted to call " + method); 3394 } 3395 } 3396 3397 @Override 3398 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 3399 if (!mHasFeature) { 3400 return; 3401 } 3402 enforceFullCrossUsersPermission(userHandle); 3403 enforceUserUnlocked(userHandle); 3404 synchronized (this) { 3405 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3406 if (admin == null) { 3407 return; 3408 } 3409 // Active device/profile owners must remain active admins. 3410 if (isDeviceOwner(adminReceiver, userHandle) 3411 || isProfileOwner(adminReceiver, userHandle)) { 3412 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 3413 adminReceiver); 3414 return; 3415 } 3416 if (admin.getUid() != mInjector.binderGetCallingUid()) { 3417 mContext.enforceCallingOrSelfPermission( 3418 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3419 } 3420 long ident = mInjector.binderClearCallingIdentity(); 3421 try { 3422 removeActiveAdminLocked(adminReceiver, userHandle); 3423 } finally { 3424 mInjector.binderRestoreCallingIdentity(ident); 3425 } 3426 } 3427 } 3428 3429 @Override 3430 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 3431 ComponentName profileOwner = getProfileOwner(userHandle); 3432 // Profile challenge is supported on N or newer release. 3433 return profileOwner != null && 3434 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 3435 } 3436 3437 @Override 3438 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 3439 if (!mHasFeature) { 3440 return; 3441 } 3442 Preconditions.checkNotNull(who, "ComponentName is null"); 3443 validateQualityConstant(quality); 3444 3445 synchronized (this) { 3446 ActiveAdmin ap = getActiveAdminForCallerLocked( 3447 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3448 if (ap.minimumPasswordMetrics.quality != quality) { 3449 ap.minimumPasswordMetrics.quality = quality; 3450 updatePasswordValidityCheckpointLocked(mInjector.userHandleGetCallingUserId()); 3451 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3452 } 3453 } 3454 } 3455 3456 /** 3457 * Updates flag in memory that tells us whether the user's password currently satisfies the 3458 * requirements set by all of the user's active admins. This should be called before 3459 * {@link #saveSettingsLocked} whenever the password or the admin policies have changed. 3460 */ 3461 @GuardedBy("DevicePolicyManagerService.this") 3462 private void updatePasswordValidityCheckpointLocked(int userHandle) { 3463 DevicePolicyData policy = getUserData(userHandle); 3464 policy.mPasswordValidAtLastCheckpoint = isActivePasswordSufficientForUserLocked( 3465 policy, policy.mUserHandle, false); 3466 } 3467 3468 @Override 3469 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 3470 if (!mHasFeature) { 3471 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3472 } 3473 enforceFullCrossUsersPermission(userHandle); 3474 synchronized (this) { 3475 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3476 3477 if (who != null) { 3478 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3479 return admin != null ? admin.minimumPasswordMetrics.quality : mode; 3480 } 3481 3482 // Return the strictest policy across all participating admins. 3483 List<ActiveAdmin> admins = 3484 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3485 final int N = admins.size(); 3486 for (int i = 0; i < N; i++) { 3487 ActiveAdmin admin = admins.get(i); 3488 if (mode < admin.minimumPasswordMetrics.quality) { 3489 mode = admin.minimumPasswordMetrics.quality; 3490 } 3491 } 3492 return mode; 3493 } 3494 } 3495 3496 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 3497 int userHandle, boolean parent) { 3498 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 3499 // If this user has a separate challenge, only return its restrictions. 3500 return getUserDataUnchecked(userHandle).mAdminList; 3501 } else { 3502 // Return all admins for this user and the profiles that are visible from this 3503 // user that do not use a separate work challenge. 3504 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 3505 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3506 DevicePolicyData policy = getUserData(userInfo.id); 3507 if (!userInfo.isManagedProfile()) { 3508 admins.addAll(policy.mAdminList); 3509 } else { 3510 // For managed profiles, we always include the policies set on the parent 3511 // profile. Additionally, we include the ones set on the managed profile 3512 // if no separate challenge is in place. 3513 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 3514 final int N = policy.mAdminList.size(); 3515 for (int i = 0; i < N; i++) { 3516 ActiveAdmin admin = policy.mAdminList.get(i); 3517 if (admin.hasParentActiveAdmin()) { 3518 admins.add(admin.getParentActiveAdmin()); 3519 } 3520 if (!hasSeparateChallenge) { 3521 admins.add(admin); 3522 } 3523 } 3524 } 3525 } 3526 return admins; 3527 } 3528 } 3529 3530 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 3531 long ident = mInjector.binderClearCallingIdentity(); 3532 try { 3533 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 3534 } finally { 3535 mInjector.binderRestoreCallingIdentity(ident); 3536 } 3537 } 3538 3539 @Override 3540 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 3541 if (!mHasFeature) { 3542 return; 3543 } 3544 Preconditions.checkNotNull(who, "ComponentName is null"); 3545 synchronized (this) { 3546 ActiveAdmin ap = getActiveAdminForCallerLocked( 3547 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3548 if (ap.minimumPasswordMetrics.length != length) { 3549 ap.minimumPasswordMetrics.length = length; 3550 updatePasswordValidityCheckpointLocked(mInjector.userHandleGetCallingUserId()); 3551 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3552 } 3553 } 3554 } 3555 3556 @Override 3557 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 3558 if (!mHasFeature) { 3559 return 0; 3560 } 3561 enforceFullCrossUsersPermission(userHandle); 3562 synchronized (this) { 3563 int length = 0; 3564 3565 if (who != null) { 3566 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3567 return admin != null ? admin.minimumPasswordMetrics.length : length; 3568 } 3569 3570 // Return the strictest policy across all participating admins. 3571 List<ActiveAdmin> admins = 3572 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3573 final int N = admins.size(); 3574 for (int i = 0; i < N; i++) { 3575 ActiveAdmin admin = admins.get(i); 3576 if (length < admin.minimumPasswordMetrics.length) { 3577 length = admin.minimumPasswordMetrics.length; 3578 } 3579 } 3580 return length; 3581 } 3582 } 3583 3584 @Override 3585 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3586 if (!mHasFeature) { 3587 return; 3588 } 3589 Preconditions.checkNotNull(who, "ComponentName is null"); 3590 synchronized (this) { 3591 ActiveAdmin ap = getActiveAdminForCallerLocked( 3592 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3593 if (ap.passwordHistoryLength != length) { 3594 ap.passwordHistoryLength = length; 3595 updatePasswordValidityCheckpointLocked(mInjector.userHandleGetCallingUserId()); 3596 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3597 } 3598 } 3599 } 3600 3601 @Override 3602 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3603 if (!mHasFeature) { 3604 return 0; 3605 } 3606 enforceFullCrossUsersPermission(userHandle); 3607 synchronized (this) { 3608 int length = 0; 3609 3610 if (who != null) { 3611 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3612 return admin != null ? admin.passwordHistoryLength : length; 3613 } 3614 3615 // Return the strictest policy across all participating admins. 3616 List<ActiveAdmin> admins = 3617 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3618 final int N = admins.size(); 3619 for (int i = 0; i < N; i++) { 3620 ActiveAdmin admin = admins.get(i); 3621 if (length < admin.passwordHistoryLength) { 3622 length = admin.passwordHistoryLength; 3623 } 3624 } 3625 3626 return length; 3627 } 3628 } 3629 3630 @Override 3631 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3632 if (!mHasFeature) { 3633 return; 3634 } 3635 Preconditions.checkNotNull(who, "ComponentName is null"); 3636 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3637 final int userHandle = mInjector.userHandleGetCallingUserId(); 3638 synchronized (this) { 3639 ActiveAdmin ap = getActiveAdminForCallerLocked( 3640 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3641 // Calling this API automatically bumps the expiration date 3642 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3643 ap.passwordExpirationDate = expiration; 3644 ap.passwordExpirationTimeout = timeout; 3645 if (timeout > 0L) { 3646 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3647 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3648 .format(new Date(expiration))); 3649 } 3650 saveSettingsLocked(userHandle); 3651 3652 // in case this is the first one, set the alarm on the appropriate user. 3653 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3654 } 3655 } 3656 3657 /** 3658 * Return a single admin's expiration cycle time, or the min of all cycle times. 3659 * Returns 0 if not configured. 3660 */ 3661 @Override 3662 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3663 if (!mHasFeature) { 3664 return 0L; 3665 } 3666 enforceFullCrossUsersPermission(userHandle); 3667 synchronized (this) { 3668 long timeout = 0L; 3669 3670 if (who != null) { 3671 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3672 return admin != null ? admin.passwordExpirationTimeout : timeout; 3673 } 3674 3675 // Return the strictest policy across all participating admins. 3676 List<ActiveAdmin> admins = 3677 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3678 final int N = admins.size(); 3679 for (int i = 0; i < N; i++) { 3680 ActiveAdmin admin = admins.get(i); 3681 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3682 && timeout > admin.passwordExpirationTimeout)) { 3683 timeout = admin.passwordExpirationTimeout; 3684 } 3685 } 3686 return timeout; 3687 } 3688 } 3689 3690 @Override 3691 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3692 final int userId = UserHandle.getCallingUserId(); 3693 List<String> changedProviders = null; 3694 3695 synchronized (this) { 3696 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3697 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3698 if (activeAdmin.crossProfileWidgetProviders == null) { 3699 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3700 } 3701 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3702 if (!providers.contains(packageName)) { 3703 providers.add(packageName); 3704 changedProviders = new ArrayList<>(providers); 3705 saveSettingsLocked(userId); 3706 } 3707 } 3708 3709 if (changedProviders != null) { 3710 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3711 return true; 3712 } 3713 3714 return false; 3715 } 3716 3717 @Override 3718 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3719 final int userId = UserHandle.getCallingUserId(); 3720 List<String> changedProviders = null; 3721 3722 synchronized (this) { 3723 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3724 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3725 if (activeAdmin.crossProfileWidgetProviders == null 3726 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3727 return false; 3728 } 3729 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3730 if (providers.remove(packageName)) { 3731 changedProviders = new ArrayList<>(providers); 3732 saveSettingsLocked(userId); 3733 } 3734 } 3735 3736 if (changedProviders != null) { 3737 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3738 return true; 3739 } 3740 3741 return false; 3742 } 3743 3744 @Override 3745 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3746 synchronized (this) { 3747 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3748 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3749 if (activeAdmin.crossProfileWidgetProviders == null 3750 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3751 return null; 3752 } 3753 if (mInjector.binderIsCallingUidMyUid()) { 3754 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3755 } else { 3756 return activeAdmin.crossProfileWidgetProviders; 3757 } 3758 } 3759 } 3760 3761 /** 3762 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3763 * Returns 0 if not configured. 3764 */ 3765 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3766 long timeout = 0L; 3767 3768 if (who != null) { 3769 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3770 return admin != null ? admin.passwordExpirationDate : timeout; 3771 } 3772 3773 // Return the strictest policy across all participating admins. 3774 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3775 final int N = admins.size(); 3776 for (int i = 0; i < N; i++) { 3777 ActiveAdmin admin = admins.get(i); 3778 if (timeout == 0L || (admin.passwordExpirationDate != 0 3779 && timeout > admin.passwordExpirationDate)) { 3780 timeout = admin.passwordExpirationDate; 3781 } 3782 } 3783 return timeout; 3784 } 3785 3786 @Override 3787 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3788 if (!mHasFeature) { 3789 return 0L; 3790 } 3791 enforceFullCrossUsersPermission(userHandle); 3792 synchronized (this) { 3793 return getPasswordExpirationLocked(who, userHandle, parent); 3794 } 3795 } 3796 3797 @Override 3798 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3799 if (!mHasFeature) { 3800 return; 3801 } 3802 Preconditions.checkNotNull(who, "ComponentName is null"); 3803 synchronized (this) { 3804 ActiveAdmin ap = getActiveAdminForCallerLocked( 3805 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3806 if (ap.minimumPasswordMetrics.upperCase != length) { 3807 ap.minimumPasswordMetrics.upperCase = length; 3808 updatePasswordValidityCheckpointLocked(mInjector.userHandleGetCallingUserId()); 3809 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3810 } 3811 } 3812 } 3813 3814 @Override 3815 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3816 if (!mHasFeature) { 3817 return 0; 3818 } 3819 enforceFullCrossUsersPermission(userHandle); 3820 synchronized (this) { 3821 int length = 0; 3822 3823 if (who != null) { 3824 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3825 return admin != null ? admin.minimumPasswordMetrics.upperCase : length; 3826 } 3827 3828 // Return the strictest policy across all participating admins. 3829 List<ActiveAdmin> admins = 3830 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3831 final int N = admins.size(); 3832 for (int i = 0; i < N; i++) { 3833 ActiveAdmin admin = admins.get(i); 3834 if (length < admin.minimumPasswordMetrics.upperCase) { 3835 length = admin.minimumPasswordMetrics.upperCase; 3836 } 3837 } 3838 return length; 3839 } 3840 } 3841 3842 @Override 3843 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3844 Preconditions.checkNotNull(who, "ComponentName is null"); 3845 synchronized (this) { 3846 ActiveAdmin ap = getActiveAdminForCallerLocked( 3847 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3848 if (ap.minimumPasswordMetrics.lowerCase != length) { 3849 ap.minimumPasswordMetrics.lowerCase = length; 3850 updatePasswordValidityCheckpointLocked(mInjector.userHandleGetCallingUserId()); 3851 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3852 } 3853 } 3854 } 3855 3856 @Override 3857 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3858 if (!mHasFeature) { 3859 return 0; 3860 } 3861 enforceFullCrossUsersPermission(userHandle); 3862 synchronized (this) { 3863 int length = 0; 3864 3865 if (who != null) { 3866 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3867 return admin != null ? admin.minimumPasswordMetrics.lowerCase : length; 3868 } 3869 3870 // Return the strictest policy across all participating admins. 3871 List<ActiveAdmin> admins = 3872 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3873 final int N = admins.size(); 3874 for (int i = 0; i < N; i++) { 3875 ActiveAdmin admin = admins.get(i); 3876 if (length < admin.minimumPasswordMetrics.lowerCase) { 3877 length = admin.minimumPasswordMetrics.lowerCase; 3878 } 3879 } 3880 return length; 3881 } 3882 } 3883 3884 @Override 3885 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3886 if (!mHasFeature) { 3887 return; 3888 } 3889 Preconditions.checkNotNull(who, "ComponentName is null"); 3890 synchronized (this) { 3891 ActiveAdmin ap = getActiveAdminForCallerLocked( 3892 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3893 if (ap.minimumPasswordMetrics.letters != length) { 3894 ap.minimumPasswordMetrics.letters = length; 3895 updatePasswordValidityCheckpointLocked(mInjector.userHandleGetCallingUserId()); 3896 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3897 } 3898 } 3899 } 3900 3901 @Override 3902 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3903 if (!mHasFeature) { 3904 return 0; 3905 } 3906 enforceFullCrossUsersPermission(userHandle); 3907 synchronized (this) { 3908 int length = 0; 3909 3910 if (who != null) { 3911 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3912 return admin != null ? admin.minimumPasswordMetrics.letters : length; 3913 } 3914 3915 // Return the strictest policy across all participating admins. 3916 List<ActiveAdmin> admins = 3917 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3918 final int N = admins.size(); 3919 for (int i = 0; i < N; i++) { 3920 ActiveAdmin admin = admins.get(i); 3921 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3922 continue; 3923 } 3924 if (length < admin.minimumPasswordMetrics.letters) { 3925 length = admin.minimumPasswordMetrics.letters; 3926 } 3927 } 3928 return length; 3929 } 3930 } 3931 3932 @Override 3933 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3934 if (!mHasFeature) { 3935 return; 3936 } 3937 Preconditions.checkNotNull(who, "ComponentName is null"); 3938 synchronized (this) { 3939 ActiveAdmin ap = getActiveAdminForCallerLocked( 3940 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3941 if (ap.minimumPasswordMetrics.numeric != length) { 3942 ap.minimumPasswordMetrics.numeric = length; 3943 updatePasswordValidityCheckpointLocked(mInjector.userHandleGetCallingUserId()); 3944 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3945 } 3946 } 3947 } 3948 3949 @Override 3950 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3951 if (!mHasFeature) { 3952 return 0; 3953 } 3954 enforceFullCrossUsersPermission(userHandle); 3955 synchronized (this) { 3956 int length = 0; 3957 3958 if (who != null) { 3959 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3960 return admin != null ? admin.minimumPasswordMetrics.numeric : length; 3961 } 3962 3963 // Return the strictest policy across all participating admins. 3964 List<ActiveAdmin> admins = 3965 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3966 final int N = admins.size(); 3967 for (int i = 0; i < N; i++) { 3968 ActiveAdmin admin = admins.get(i); 3969 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3970 continue; 3971 } 3972 if (length < admin.minimumPasswordMetrics.numeric) { 3973 length = admin.minimumPasswordMetrics.numeric; 3974 } 3975 } 3976 return length; 3977 } 3978 } 3979 3980 @Override 3981 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3982 if (!mHasFeature) { 3983 return; 3984 } 3985 Preconditions.checkNotNull(who, "ComponentName is null"); 3986 synchronized (this) { 3987 ActiveAdmin ap = getActiveAdminForCallerLocked( 3988 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3989 if (ap.minimumPasswordMetrics.symbols != length) { 3990 ap.minimumPasswordMetrics.symbols = length; 3991 updatePasswordValidityCheckpointLocked(mInjector.userHandleGetCallingUserId()); 3992 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3993 } 3994 } 3995 } 3996 3997 @Override 3998 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3999 if (!mHasFeature) { 4000 return 0; 4001 } 4002 enforceFullCrossUsersPermission(userHandle); 4003 synchronized (this) { 4004 int length = 0; 4005 4006 if (who != null) { 4007 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4008 return admin != null ? admin.minimumPasswordMetrics.symbols : length; 4009 } 4010 4011 // Return the strictest policy across all participating admins. 4012 List<ActiveAdmin> admins = 4013 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 4014 final int N = admins.size(); 4015 for (int i = 0; i < N; i++) { 4016 ActiveAdmin admin = admins.get(i); 4017 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 4018 continue; 4019 } 4020 if (length < admin.minimumPasswordMetrics.symbols) { 4021 length = admin.minimumPasswordMetrics.symbols; 4022 } 4023 } 4024 return length; 4025 } 4026 } 4027 4028 @Override 4029 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 4030 if (!mHasFeature) { 4031 return; 4032 } 4033 Preconditions.checkNotNull(who, "ComponentName is null"); 4034 synchronized (this) { 4035 ActiveAdmin ap = getActiveAdminForCallerLocked( 4036 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 4037 if (ap.minimumPasswordMetrics.nonLetter != length) { 4038 ap.minimumPasswordMetrics.nonLetter = length; 4039 updatePasswordValidityCheckpointLocked(mInjector.userHandleGetCallingUserId()); 4040 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 4041 } 4042 } 4043 } 4044 4045 @Override 4046 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 4047 if (!mHasFeature) { 4048 return 0; 4049 } 4050 enforceFullCrossUsersPermission(userHandle); 4051 synchronized (this) { 4052 int length = 0; 4053 4054 if (who != null) { 4055 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4056 return admin != null ? admin.minimumPasswordMetrics.nonLetter : length; 4057 } 4058 4059 // Return the strictest policy across all participating admins. 4060 List<ActiveAdmin> admins = 4061 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 4062 final int N = admins.size(); 4063 for (int i = 0; i < N; i++) { 4064 ActiveAdmin admin = admins.get(i); 4065 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 4066 continue; 4067 } 4068 if (length < admin.minimumPasswordMetrics.nonLetter) { 4069 length = admin.minimumPasswordMetrics.nonLetter; 4070 } 4071 } 4072 return length; 4073 } 4074 } 4075 4076 @Override 4077 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 4078 if (!mHasFeature) { 4079 return true; 4080 } 4081 enforceFullCrossUsersPermission(userHandle); 4082 4083 synchronized (this) { 4084 // This API can only be called by an active device admin, 4085 // so try to retrieve it to check that the caller is one. 4086 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 4087 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 4088 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 4089 } 4090 } 4091 4092 @Override 4093 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 4094 if (!mHasFeature) { 4095 return true; 4096 } 4097 enforceFullCrossUsersPermission(userHandle); 4098 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 4099 4100 synchronized (this) { 4101 int targetUser = getProfileParentId(userHandle); 4102 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 4103 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 4104 } 4105 } 4106 4107 private boolean isActivePasswordSufficientForUserLocked( 4108 DevicePolicyData policy, int userHandle, boolean parent) { 4109 enforceUserUnlocked(userHandle, parent); 4110 4111 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled() 4112 && !policy.mPasswordStateHasBeenSetSinceBoot) { 4113 // Before user enters their password for the first time after a reboot, return the 4114 // value of this flag, which tells us whether the password was valid the last time 4115 // settings were saved. If DPC changes password requirements on boot so that the 4116 // current password no longer meets the requirements, this value will be stale until 4117 // the next time the password is entered. 4118 return policy.mPasswordValidAtLastCheckpoint; 4119 } 4120 4121 final int requiredPasswordQuality = getPasswordQuality(null, userHandle, parent); 4122 if (policy.mActivePasswordMetrics.quality < requiredPasswordQuality) { 4123 return false; 4124 } 4125 if (requiredPasswordQuality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC 4126 && policy.mActivePasswordMetrics.length < getPasswordMinimumLength( 4127 null, userHandle, parent)) { 4128 return false; 4129 } 4130 if (requiredPasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4131 return true; 4132 } 4133 return policy.mActivePasswordMetrics.upperCase >= getPasswordMinimumUpperCase( 4134 null, userHandle, parent) 4135 && policy.mActivePasswordMetrics.lowerCase >= getPasswordMinimumLowerCase( 4136 null, userHandle, parent) 4137 && policy.mActivePasswordMetrics.letters >= getPasswordMinimumLetters( 4138 null, userHandle, parent) 4139 && policy.mActivePasswordMetrics.numeric >= getPasswordMinimumNumeric( 4140 null, userHandle, parent) 4141 && policy.mActivePasswordMetrics.symbols >= getPasswordMinimumSymbols( 4142 null, userHandle, parent) 4143 && policy.mActivePasswordMetrics.nonLetter >= getPasswordMinimumNonLetter( 4144 null, userHandle, parent); 4145 } 4146 4147 @Override 4148 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 4149 enforceFullCrossUsersPermission(userHandle); 4150 synchronized (this) { 4151 if (!isCallerWithSystemUid()) { 4152 // This API can only be called by an active device admin, 4153 // so try to retrieve it to check that the caller is one. 4154 getActiveAdminForCallerLocked( 4155 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 4156 } 4157 4158 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 4159 4160 return policy.mFailedPasswordAttempts; 4161 } 4162 } 4163 4164 @Override 4165 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 4166 if (!mHasFeature) { 4167 return; 4168 } 4169 Preconditions.checkNotNull(who, "ComponentName is null"); 4170 synchronized (this) { 4171 // This API can only be called by an active device admin, 4172 // so try to retrieve it to check that the caller is one. 4173 getActiveAdminForCallerLocked( 4174 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 4175 ActiveAdmin ap = getActiveAdminForCallerLocked( 4176 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 4177 if (ap.maximumFailedPasswordsForWipe != num) { 4178 ap.maximumFailedPasswordsForWipe = num; 4179 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 4180 } 4181 } 4182 } 4183 4184 @Override 4185 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 4186 if (!mHasFeature) { 4187 return 0; 4188 } 4189 enforceFullCrossUsersPermission(userHandle); 4190 synchronized (this) { 4191 ActiveAdmin admin = (who != null) 4192 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 4193 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 4194 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 4195 } 4196 } 4197 4198 @Override 4199 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 4200 if (!mHasFeature) { 4201 return UserHandle.USER_NULL; 4202 } 4203 enforceFullCrossUsersPermission(userHandle); 4204 synchronized (this) { 4205 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4206 userHandle, parent); 4207 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 4208 } 4209 } 4210 4211 /** 4212 * Returns the admin with the strictest policy on maximum failed passwords for: 4213 * <ul> 4214 * <li>this user if it has a separate profile challenge, or 4215 * <li>this user and all profiles that don't have their own challenge otherwise. 4216 * </ul> 4217 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 4218 * the primary profile. 4219 * Returns {@code null} if no participating admin has that policy set. 4220 */ 4221 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 4222 int userHandle, boolean parent) { 4223 int count = 0; 4224 ActiveAdmin strictestAdmin = null; 4225 4226 // Return the strictest policy across all participating admins. 4227 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 4228 final int N = admins.size(); 4229 for (int i = 0; i < N; i++) { 4230 ActiveAdmin admin = admins.get(i); 4231 if (admin.maximumFailedPasswordsForWipe == 4232 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 4233 continue; // No max number of failed passwords policy set for this profile. 4234 } 4235 4236 // We always favor the primary profile if several profiles have the same value set. 4237 int userId = admin.getUserHandle().getIdentifier(); 4238 if (count == 0 || 4239 count > admin.maximumFailedPasswordsForWipe || 4240 (count == admin.maximumFailedPasswordsForWipe && 4241 getUserInfo(userId).isPrimary())) { 4242 count = admin.maximumFailedPasswordsForWipe; 4243 strictestAdmin = admin; 4244 } 4245 } 4246 return strictestAdmin; 4247 } 4248 4249 private UserInfo getUserInfo(@UserIdInt int userId) { 4250 final long token = mInjector.binderClearCallingIdentity(); 4251 try { 4252 return mUserManager.getUserInfo(userId); 4253 } finally { 4254 mInjector.binderRestoreCallingIdentity(token); 4255 } 4256 } 4257 @Override 4258 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 4259 final int callingUid = mInjector.binderGetCallingUid(); 4260 final int userHandle = mInjector.userHandleGetCallingUserId(); 4261 4262 String password = passwordOrNull != null ? passwordOrNull : ""; 4263 4264 // Password resetting to empty/null is not allowed for managed profiles. 4265 if (TextUtils.isEmpty(password)) { 4266 enforceNotManagedProfile(userHandle, "clear the active password"); 4267 } 4268 4269 synchronized (this) { 4270 // If caller has PO (or DO) it can change the password, so see if that's the case first. 4271 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 4272 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 4273 final boolean preN; 4274 if (admin != null) { 4275 final int targetSdk = getTargetSdk(admin.info.getPackageName(), userHandle); 4276 if (targetSdk >= Build.VERSION_CODES.O) { 4277 throw new SecurityException("resetPassword() is deprecated for DPC targeting O" 4278 + " or later"); 4279 } 4280 preN = targetSdk <= android.os.Build.VERSION_CODES.M; 4281 } else { 4282 // Otherwise, make sure the caller has any active admin with the right policy. 4283 admin = getActiveAdminForCallerLocked(null, 4284 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 4285 preN = getTargetSdk(admin.info.getPackageName(), 4286 userHandle) <= android.os.Build.VERSION_CODES.M; 4287 4288 // As of N, password resetting to empty/null is not allowed anymore. 4289 // TODO Should we allow DO/PO to set an empty password? 4290 if (TextUtils.isEmpty(password)) { 4291 if (!preN) { 4292 throw new SecurityException("Cannot call with null password"); 4293 } else { 4294 Slog.e(LOG_TAG, "Cannot call with null password"); 4295 return false; 4296 } 4297 } 4298 // As of N, password cannot be changed by the admin if it is already set. 4299 if (isLockScreenSecureUnchecked(userHandle)) { 4300 if (!preN) { 4301 throw new SecurityException("Admin cannot change current password"); 4302 } else { 4303 Slog.e(LOG_TAG, "Admin cannot change current password"); 4304 return false; 4305 } 4306 } 4307 } 4308 // Do not allow to reset password when current user has a managed profile 4309 if (!isManagedProfile(userHandle)) { 4310 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4311 if (userInfo.isManagedProfile()) { 4312 if (!preN) { 4313 throw new IllegalStateException( 4314 "Cannot reset password on user has managed profile"); 4315 } else { 4316 Slog.e(LOG_TAG, "Cannot reset password on user has managed profile"); 4317 return false; 4318 } 4319 } 4320 } 4321 } 4322 // Do not allow to reset password when user is locked 4323 if (!mUserManager.isUserUnlocked(userHandle)) { 4324 if (!preN) { 4325 throw new IllegalStateException("Cannot reset password when user is locked"); 4326 } else { 4327 Slog.e(LOG_TAG, "Cannot reset password when user is locked"); 4328 return false; 4329 } 4330 } 4331 } 4332 4333 return resetPasswordInternal(password, 0, null, flags, callingUid, userHandle); 4334 } 4335 4336 private boolean resetPasswordInternal(String password, long tokenHandle, byte[] token, 4337 int flags, int callingUid, int userHandle) { 4338 int quality; 4339 synchronized (this) { 4340 quality = getPasswordQuality(null, userHandle, /* parent */ false); 4341 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 4342 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 4343 } 4344 final PasswordMetrics metrics = PasswordMetrics.computeForPassword(password); 4345 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 4346 final int realQuality = metrics.quality; 4347 if (realQuality < quality 4348 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4349 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 4350 + Integer.toHexString(realQuality) 4351 + " does not meet required quality 0x" 4352 + Integer.toHexString(quality)); 4353 return false; 4354 } 4355 quality = Math.max(realQuality, quality); 4356 } 4357 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 4358 if (password.length() < length) { 4359 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 4360 + " does not meet required length " + length); 4361 return false; 4362 } 4363 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4364 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 4365 if(metrics.letters < neededLetters) { 4366 Slog.w(LOG_TAG, "resetPassword: number of letters " + metrics.letters 4367 + " does not meet required number of letters " + neededLetters); 4368 return false; 4369 } 4370 int neededNumeric = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 4371 if (metrics.numeric < neededNumeric) { 4372 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + metrics.numeric 4373 + " does not meet required number of numerical digits " 4374 + neededNumeric); 4375 return false; 4376 } 4377 int neededLowerCase = getPasswordMinimumLowerCase( 4378 null, userHandle, /* parent */ false); 4379 if (metrics.lowerCase < neededLowerCase) { 4380 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " 4381 + metrics.lowerCase 4382 + " does not meet required number of lowercase letters " 4383 + neededLowerCase); 4384 return false; 4385 } 4386 int neededUpperCase = getPasswordMinimumUpperCase( 4387 null, userHandle, /* parent */ false); 4388 if (metrics.upperCase < neededUpperCase) { 4389 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " 4390 + metrics.upperCase 4391 + " does not meet required number of uppercase letters " 4392 + neededUpperCase); 4393 return false; 4394 } 4395 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 4396 if (metrics.symbols < neededSymbols) { 4397 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + metrics.symbols 4398 + " does not meet required number of special symbols " + neededSymbols); 4399 return false; 4400 } 4401 int neededNonLetter = getPasswordMinimumNonLetter( 4402 null, userHandle, /* parent */ false); 4403 if (metrics.nonLetter < neededNonLetter) { 4404 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " 4405 + metrics.nonLetter 4406 + " does not meet required number of non-letter characters " 4407 + neededNonLetter); 4408 return false; 4409 } 4410 } 4411 } 4412 4413 DevicePolicyData policy = getUserData(userHandle); 4414 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 4415 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 4416 return false; 4417 } 4418 4419 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 4420 boolean doNotAskCredentialsOnBoot = 4421 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 4422 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 4423 setDoNotAskCredentialsOnBoot(); 4424 } 4425 4426 // Don't do this with the lock held, because it is going to call 4427 // back in to the service. 4428 final long ident = mInjector.binderClearCallingIdentity(); 4429 final boolean result; 4430 try { 4431 if (token == null) { 4432 if (!TextUtils.isEmpty(password)) { 4433 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 4434 } else { 4435 mLockPatternUtils.clearLock(null, userHandle); 4436 } 4437 result = true; 4438 } else { 4439 result = mLockPatternUtils.setLockCredentialWithToken(password, 4440 TextUtils.isEmpty(password) ? LockPatternUtils.CREDENTIAL_TYPE_NONE 4441 : LockPatternUtils.CREDENTIAL_TYPE_PASSWORD, 4442 tokenHandle, token, userHandle); 4443 } 4444 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 4445 if (requireEntry) { 4446 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 4447 UserHandle.USER_ALL); 4448 } 4449 synchronized (this) { 4450 int newOwner = requireEntry ? callingUid : -1; 4451 if (policy.mPasswordOwner != newOwner) { 4452 policy.mPasswordOwner = newOwner; 4453 saveSettingsLocked(userHandle); 4454 } 4455 } 4456 } finally { 4457 mInjector.binderRestoreCallingIdentity(ident); 4458 } 4459 return result; 4460 } 4461 4462 private boolean isLockScreenSecureUnchecked(int userId) { 4463 long ident = mInjector.binderClearCallingIdentity(); 4464 try { 4465 return mLockPatternUtils.isSecure(userId); 4466 } finally { 4467 mInjector.binderRestoreCallingIdentity(ident); 4468 } 4469 } 4470 4471 private void setDoNotAskCredentialsOnBoot() { 4472 synchronized (this) { 4473 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4474 if (!policyData.doNotAskCredentialsOnBoot) { 4475 policyData.doNotAskCredentialsOnBoot = true; 4476 saveSettingsLocked(UserHandle.USER_SYSTEM); 4477 } 4478 } 4479 } 4480 4481 @Override 4482 public boolean getDoNotAskCredentialsOnBoot() { 4483 mContext.enforceCallingOrSelfPermission( 4484 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 4485 synchronized (this) { 4486 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4487 return policyData.doNotAskCredentialsOnBoot; 4488 } 4489 } 4490 4491 @Override 4492 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 4493 if (!mHasFeature) { 4494 return; 4495 } 4496 Preconditions.checkNotNull(who, "ComponentName is null"); 4497 final int userHandle = mInjector.userHandleGetCallingUserId(); 4498 synchronized (this) { 4499 ActiveAdmin ap = getActiveAdminForCallerLocked( 4500 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4501 if (ap.maximumTimeToUnlock != timeMs) { 4502 ap.maximumTimeToUnlock = timeMs; 4503 saveSettingsLocked(userHandle); 4504 updateMaximumTimeToLockLocked(userHandle); 4505 } 4506 } 4507 } 4508 4509 void updateMaximumTimeToLockLocked(int userHandle) { 4510 // Calculate the min timeout for all profiles - including the ones with a separate 4511 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 4512 // challenge only and keep the screen on. However there is no easy way of doing that at the 4513 // moment so we set the screen off timeout regardless of whether it affects the parent user 4514 // or the profile challenge only. 4515 long timeMs = Long.MAX_VALUE; 4516 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 4517 for (int profileId : profileIds) { 4518 DevicePolicyData policy = getUserDataUnchecked(profileId); 4519 final int N = policy.mAdminList.size(); 4520 for (int i = 0; i < N; i++) { 4521 ActiveAdmin admin = policy.mAdminList.get(i); 4522 if (admin.maximumTimeToUnlock > 0 4523 && timeMs > admin.maximumTimeToUnlock) { 4524 timeMs = admin.maximumTimeToUnlock; 4525 } 4526 // If userInfo.id is a managed profile, we also need to look at 4527 // the policies set on the parent. 4528 if (admin.hasParentActiveAdmin()) { 4529 final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); 4530 if (parentAdmin.maximumTimeToUnlock > 0 4531 && timeMs > parentAdmin.maximumTimeToUnlock) { 4532 timeMs = parentAdmin.maximumTimeToUnlock; 4533 } 4534 } 4535 } 4536 } 4537 4538 // We only store the last maximum time to lock on the parent profile. So if calling from a 4539 // managed profile, retrieve the policy for the parent. 4540 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 4541 if (policy.mLastMaximumTimeToLock == timeMs) { 4542 return; 4543 } 4544 policy.mLastMaximumTimeToLock = timeMs; 4545 4546 final long ident = mInjector.binderClearCallingIdentity(); 4547 try { 4548 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 4549 // Make sure KEEP_SCREEN_ON is disabled, since that 4550 // would allow bypassing of the maximum time to lock. 4551 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 4552 } 4553 4554 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 4555 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 4556 } finally { 4557 mInjector.binderRestoreCallingIdentity(ident); 4558 } 4559 } 4560 4561 @Override 4562 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 4563 if (!mHasFeature) { 4564 return 0; 4565 } 4566 enforceFullCrossUsersPermission(userHandle); 4567 synchronized (this) { 4568 if (who != null) { 4569 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4570 return admin != null ? admin.maximumTimeToUnlock : 0; 4571 } 4572 // Return the strictest policy across all participating admins. 4573 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4574 userHandle, parent); 4575 return getMaximumTimeToLockPolicyFromAdmins(admins); 4576 } 4577 } 4578 4579 @Override 4580 public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { 4581 if (!mHasFeature) { 4582 return 0; 4583 } 4584 enforceFullCrossUsersPermission(userHandle); 4585 synchronized (this) { 4586 // All admins for this user. 4587 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 4588 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4589 DevicePolicyData policy = getUserData(userInfo.id); 4590 admins.addAll(policy.mAdminList); 4591 // If it is a managed profile, it may have parent active admins 4592 if (userInfo.isManagedProfile()) { 4593 for (ActiveAdmin admin : policy.mAdminList) { 4594 if (admin.hasParentActiveAdmin()) { 4595 admins.add(admin.getParentActiveAdmin()); 4596 } 4597 } 4598 } 4599 } 4600 return getMaximumTimeToLockPolicyFromAdmins(admins); 4601 } 4602 } 4603 4604 private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { 4605 long time = 0; 4606 final int N = admins.size(); 4607 for (int i = 0; i < N; i++) { 4608 ActiveAdmin admin = admins.get(i); 4609 if (time == 0) { 4610 time = admin.maximumTimeToUnlock; 4611 } else if (admin.maximumTimeToUnlock != 0 4612 && time > admin.maximumTimeToUnlock) { 4613 time = admin.maximumTimeToUnlock; 4614 } 4615 } 4616 return time; 4617 } 4618 4619 @Override 4620 public void setRequiredStrongAuthTimeout(ComponentName who, long timeoutMs, 4621 boolean parent) { 4622 if (!mHasFeature) { 4623 return; 4624 } 4625 Preconditions.checkNotNull(who, "ComponentName is null"); 4626 Preconditions.checkArgument(timeoutMs >= 0, "Timeout must not be a negative number."); 4627 // timeoutMs with value 0 means that the admin doesn't participate 4628 // timeoutMs is clamped to the interval in case the internal constants change in the future 4629 final long minimumStrongAuthTimeout = getMinimumStrongAuthTimeoutMs(); 4630 if (timeoutMs != 0 && timeoutMs < minimumStrongAuthTimeout) { 4631 timeoutMs = minimumStrongAuthTimeout; 4632 } 4633 if (timeoutMs > DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 4634 timeoutMs = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4635 } 4636 4637 final int userHandle = mInjector.userHandleGetCallingUserId(); 4638 synchronized (this) { 4639 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4640 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, parent); 4641 if (ap.strongAuthUnlockTimeout != timeoutMs) { 4642 ap.strongAuthUnlockTimeout = timeoutMs; 4643 saveSettingsLocked(userHandle); 4644 } 4645 } 4646 } 4647 4648 /** 4649 * Return a single admin's strong auth unlock timeout or minimum value (strictest) of all 4650 * admins if who is null. 4651 * Returns 0 if not configured for the provided admin. 4652 */ 4653 @Override 4654 public long getRequiredStrongAuthTimeout(ComponentName who, int userId, boolean parent) { 4655 if (!mHasFeature) { 4656 return DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4657 } 4658 enforceFullCrossUsersPermission(userId); 4659 synchronized (this) { 4660 if (who != null) { 4661 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userId, parent); 4662 return admin != null ? admin.strongAuthUnlockTimeout : 0; 4663 } 4664 4665 // Return the strictest policy across all participating admins. 4666 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userId, parent); 4667 4668 long strongAuthUnlockTimeout = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4669 for (int i = 0; i < admins.size(); i++) { 4670 final long timeout = admins.get(i).strongAuthUnlockTimeout; 4671 if (timeout != 0) { // take only participating admins into account 4672 strongAuthUnlockTimeout = Math.min(timeout, strongAuthUnlockTimeout); 4673 } 4674 } 4675 return Math.max(strongAuthUnlockTimeout, getMinimumStrongAuthTimeoutMs()); 4676 } 4677 } 4678 4679 private long getMinimumStrongAuthTimeoutMs() { 4680 if (!mInjector.isBuildDebuggable()) { 4681 return MINIMUM_STRONG_AUTH_TIMEOUT_MS; 4682 } 4683 // ideally the property was named persist.sys.min_strong_auth_timeout, but system property 4684 // name cannot be longer than 31 characters 4685 return Math.min(mInjector.systemPropertiesGetLong("persist.sys.min_str_auth_timeo", 4686 MINIMUM_STRONG_AUTH_TIMEOUT_MS), 4687 MINIMUM_STRONG_AUTH_TIMEOUT_MS); 4688 } 4689 4690 @Override 4691 public void lockNow(int flags, boolean parent) { 4692 if (!mHasFeature) { 4693 return; 4694 } 4695 4696 final int callingUserId = mInjector.userHandleGetCallingUserId(); 4697 synchronized (this) { 4698 // This API can only be called by an active device admin, 4699 // so try to retrieve it to check that the caller is one. 4700 final ActiveAdmin admin = getActiveAdminForCallerLocked( 4701 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4702 4703 final long ident = mInjector.binderClearCallingIdentity(); 4704 try { 4705 // Evict key 4706 if ((flags & DevicePolicyManager.FLAG_EVICT_CREDENTIAL_ENCRYPTION_KEY) != 0) { 4707 enforceManagedProfile( 4708 callingUserId, "set FLAG_EVICT_CREDENTIAL_ENCRYPTION_KEY"); 4709 if (!isProfileOwner(admin.info.getComponent(), callingUserId)) { 4710 throw new SecurityException("Only profile owner admins can set " 4711 + "FLAG_EVICT_CREDENTIAL_ENCRYPTION_KEY"); 4712 } 4713 if (parent) { 4714 throw new IllegalArgumentException( 4715 "Cannot set FLAG_EVICT_CREDENTIAL_ENCRYPTION_KEY for the parent"); 4716 } 4717 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 4718 throw new UnsupportedOperationException( 4719 "FLAG_EVICT_CREDENTIAL_ENCRYPTION_KEY only applies to FBE devices"); 4720 } 4721 mUserManager.evictCredentialEncryptionKey(callingUserId); 4722 } 4723 4724 // Lock all users unless this is a managed profile with a separate challenge 4725 final int userToLock = (parent || !isSeparateProfileChallengeEnabled(callingUserId) 4726 ? UserHandle.USER_ALL : callingUserId); 4727 mLockPatternUtils.requireStrongAuth( 4728 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 4729 4730 // Require authentication for the device or profile 4731 if (userToLock == UserHandle.USER_ALL) { 4732 // Power off the display 4733 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 4734 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 4735 mInjector.getIWindowManager().lockNow(null); 4736 } else { 4737 mInjector.getTrustManager().setDeviceLockedForUser(userToLock, true); 4738 } 4739 } catch (RemoteException e) { 4740 } finally { 4741 mInjector.binderRestoreCallingIdentity(ident); 4742 } 4743 } 4744 } 4745 4746 @Override 4747 public void enforceCanManageCaCerts(ComponentName who, String callerPackage) { 4748 if (who == null) { 4749 if (!isCallerDelegate(callerPackage, DELEGATION_CERT_INSTALL)) { 4750 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4751 } 4752 } else { 4753 enforceProfileOrDeviceOwner(who); 4754 } 4755 } 4756 4757 private void enforceProfileOrDeviceOwner(ComponentName who) { 4758 synchronized (this) { 4759 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4760 } 4761 } 4762 4763 @Override 4764 public boolean approveCaCert(String alias, int userId, boolean approval) { 4765 enforceManageUsers(); 4766 synchronized (this) { 4767 Set<String> certs = getUserData(userId).mAcceptedCaCertificates; 4768 boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); 4769 if (!changed) { 4770 return false; 4771 } 4772 saveSettingsLocked(userId); 4773 } 4774 mCertificateMonitor.onCertificateApprovalsChanged(userId); 4775 return true; 4776 } 4777 4778 @Override 4779 public boolean isCaCertApproved(String alias, int userId) { 4780 enforceManageUsers(); 4781 synchronized (this) { 4782 return getUserData(userId).mAcceptedCaCertificates.contains(alias); 4783 } 4784 } 4785 4786 private void removeCaApprovalsIfNeeded(int userId) { 4787 for (UserInfo userInfo : mUserManager.getProfiles(userId)) { 4788 boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); 4789 if (userInfo.isManagedProfile()){ 4790 isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); 4791 } 4792 if (!isSecure) { 4793 synchronized (this) { 4794 getUserData(userInfo.id).mAcceptedCaCertificates.clear(); 4795 saveSettingsLocked(userInfo.id); 4796 } 4797 mCertificateMonitor.onCertificateApprovalsChanged(userId); 4798 } 4799 } 4800 } 4801 4802 @Override 4803 public boolean installCaCert(ComponentName admin, String callerPackage, byte[] certBuffer) 4804 throws RemoteException { 4805 if (!mHasFeature) { 4806 return false; 4807 } 4808 enforceCanManageCaCerts(admin, callerPackage); 4809 4810 final String alias; 4811 4812 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 4813 final long id = mInjector.binderClearCallingIdentity(); 4814 try { 4815 alias = mCertificateMonitor.installCaCert(userHandle, certBuffer); 4816 if (alias == null) { 4817 Log.w(LOG_TAG, "Problem installing cert"); 4818 return false; 4819 } 4820 } finally { 4821 mInjector.binderRestoreCallingIdentity(id); 4822 } 4823 4824 synchronized (this) { 4825 getUserData(userHandle.getIdentifier()).mOwnerInstalledCaCerts.add(alias); 4826 saveSettingsLocked(userHandle.getIdentifier()); 4827 } 4828 return true; 4829 } 4830 4831 @Override 4832 public void uninstallCaCerts(ComponentName admin, String callerPackage, String[] aliases) { 4833 if (!mHasFeature) { 4834 return; 4835 } 4836 enforceCanManageCaCerts(admin, callerPackage); 4837 4838 final int userId = mInjector.userHandleGetCallingUserId(); 4839 final long id = mInjector.binderClearCallingIdentity(); 4840 try { 4841 mCertificateMonitor.uninstallCaCerts(UserHandle.of(userId), aliases); 4842 } finally { 4843 mInjector.binderRestoreCallingIdentity(id); 4844 } 4845 4846 synchronized (this) { 4847 if (getUserData(userId).mOwnerInstalledCaCerts.removeAll(Arrays.asList(aliases))) { 4848 saveSettingsLocked(userId); 4849 } 4850 } 4851 } 4852 4853 @Override 4854 public boolean installKeyPair(ComponentName who, String callerPackage, byte[] privKey, 4855 byte[] cert, byte[] chain, String alias, boolean requestAccess) { 4856 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 4857 DELEGATION_CERT_INSTALL); 4858 4859 4860 final int callingUid = mInjector.binderGetCallingUid(); 4861 final long id = mInjector.binderClearCallingIdentity(); 4862 try { 4863 final KeyChainConnection keyChainConnection = 4864 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4865 try { 4866 IKeyChainService keyChain = keyChainConnection.getService(); 4867 if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { 4868 return false; 4869 } 4870 if (requestAccess) { 4871 keyChain.setGrant(callingUid, alias, true); 4872 } 4873 return true; 4874 } catch (RemoteException e) { 4875 Log.e(LOG_TAG, "Installing certificate", e); 4876 } finally { 4877 keyChainConnection.close(); 4878 } 4879 } catch (InterruptedException e) { 4880 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4881 Thread.currentThread().interrupt(); 4882 } finally { 4883 mInjector.binderRestoreCallingIdentity(id); 4884 } 4885 return false; 4886 } 4887 4888 @Override 4889 public boolean removeKeyPair(ComponentName who, String callerPackage, String alias) { 4890 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 4891 DELEGATION_CERT_INSTALL); 4892 4893 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4894 final long id = Binder.clearCallingIdentity(); 4895 try { 4896 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4897 try { 4898 IKeyChainService keyChain = keyChainConnection.getService(); 4899 return keyChain.removeKeyPair(alias); 4900 } catch (RemoteException e) { 4901 Log.e(LOG_TAG, "Removing keypair", e); 4902 } finally { 4903 keyChainConnection.close(); 4904 } 4905 } catch (InterruptedException e) { 4906 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4907 Thread.currentThread().interrupt(); 4908 } finally { 4909 Binder.restoreCallingIdentity(id); 4910 } 4911 return false; 4912 } 4913 4914 @Override 4915 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4916 final IBinder response) { 4917 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4918 if (!isCallerWithSystemUid()) { 4919 return; 4920 } 4921 4922 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4923 // If there is a profile owner, redirect to that; otherwise query the device owner. 4924 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4925 if (aliasChooser == null && caller.isSystem()) { 4926 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4927 if (deviceOwnerAdmin != null) { 4928 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4929 } 4930 } 4931 if (aliasChooser == null) { 4932 sendPrivateKeyAliasResponse(null, response); 4933 return; 4934 } 4935 4936 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4937 intent.setComponent(aliasChooser); 4938 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4939 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4940 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4941 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4942 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4943 4944 final long id = mInjector.binderClearCallingIdentity(); 4945 try { 4946 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4947 @Override 4948 public void onReceive(Context context, Intent intent) { 4949 final String chosenAlias = getResultData(); 4950 sendPrivateKeyAliasResponse(chosenAlias, response); 4951 } 4952 }, null, Activity.RESULT_OK, null, null); 4953 } finally { 4954 mInjector.binderRestoreCallingIdentity(id); 4955 } 4956 } 4957 4958 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4959 final IKeyChainAliasCallback keyChainAliasResponse = 4960 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4961 // Send the response. It's OK to do this from the main thread because IKeyChainAliasCallback 4962 // is oneway, which means it won't block if the recipient lives in another process. 4963 try { 4964 keyChainAliasResponse.alias(alias); 4965 } catch (Exception e) { 4966 // Caller could throw RuntimeException or RemoteException back across processes. Catch 4967 // everything just to be sure. 4968 Log.e(LOG_TAG, "error while responding to callback", e); 4969 } 4970 } 4971 4972 /** 4973 * Determine whether DPMS should check if a delegate package is already installed before 4974 * granting it new delegations via {@link #setDelegatedScopes}. 4975 */ 4976 private static boolean shouldCheckIfDelegatePackageIsInstalled(String delegatePackage, 4977 int targetSdk, List<String> scopes) { 4978 // 1) Never skip is installed check from N. 4979 if (targetSdk >= Build.VERSION_CODES.N) { 4980 return true; 4981 } 4982 // 2) Skip if DELEGATION_CERT_INSTALL is the only scope being given. 4983 if (scopes.size() == 1 && scopes.get(0).equals(DELEGATION_CERT_INSTALL)) { 4984 return false; 4985 } 4986 // 3) Skip if all previously granted scopes are being cleared. 4987 if (scopes.isEmpty()) { 4988 return false; 4989 } 4990 // Otherwise it should check that delegatePackage is installed. 4991 return true; 4992 } 4993 4994 /** 4995 * Set the scopes of a device owner or profile owner delegate. 4996 * 4997 * @param who the device owner or profile owner. 4998 * @param delegatePackage the name of the delegate package. 4999 * @param scopes the list of delegation scopes to be given to the delegate package. 5000 */ 5001 @Override 5002 public void setDelegatedScopes(ComponentName who, String delegatePackage, 5003 List<String> scopes) throws SecurityException { 5004 Preconditions.checkNotNull(who, "ComponentName is null"); 5005 Preconditions.checkStringNotEmpty(delegatePackage, "Delegate package is null or empty"); 5006 Preconditions.checkCollectionElementsNotNull(scopes, "Scopes"); 5007 // Remove possible duplicates. 5008 scopes = new ArrayList(new ArraySet(scopes)); 5009 // Ensure given scopes are valid. 5010 if (scopes.retainAll(Arrays.asList(DELEGATIONS))) { 5011 throw new IllegalArgumentException("Unexpected delegation scopes"); 5012 } 5013 5014 // Retrieve the user ID of the calling process. 5015 final int userId = mInjector.userHandleGetCallingUserId(); 5016 synchronized (this) { 5017 // Ensure calling process is device/profile owner. 5018 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5019 // Ensure the delegate is installed (skip this for DELEGATION_CERT_INSTALL in pre-N). 5020 if (shouldCheckIfDelegatePackageIsInstalled(delegatePackage, 5021 getTargetSdk(who.getPackageName(), userId), scopes)) { 5022 // Throw when the delegate package is not installed. 5023 if (!isPackageInstalledForUser(delegatePackage, userId)) { 5024 throw new IllegalArgumentException("Package " + delegatePackage 5025 + " is not installed on the current user"); 5026 } 5027 } 5028 5029 // Set the new delegate in user policies. 5030 final DevicePolicyData policy = getUserData(userId); 5031 if (!scopes.isEmpty()) { 5032 policy.mDelegationMap.put(delegatePackage, new ArrayList<>(scopes)); 5033 } else { 5034 // Remove any delegation info if the given scopes list is empty. 5035 policy.mDelegationMap.remove(delegatePackage); 5036 } 5037 5038 // Notify delegate package of updates. 5039 final Intent intent = new Intent( 5040 DevicePolicyManager.ACTION_APPLICATION_DELEGATION_SCOPES_CHANGED); 5041 // Only call receivers registered with Context#registerReceiver (don’t wake delegate). 5042 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 5043 // Limit components this intent resolves to to the delegate package. 5044 intent.setPackage(delegatePackage); 5045 // Include the list of delegated scopes as an extra. 5046 intent.putStringArrayListExtra(DevicePolicyManager.EXTRA_DELEGATION_SCOPES, 5047 (ArrayList<String>) scopes); 5048 // Send the broadcast. 5049 mContext.sendBroadcastAsUser(intent, UserHandle.of(userId)); 5050 5051 // Persist updates. 5052 saveSettingsLocked(userId); 5053 } 5054 } 5055 5056 /** 5057 * Get the delegation scopes given to a delegate package by a device owner or profile owner. 5058 * 5059 * A DO/PO can get the scopes of any package. A non DO/PO package can get its own scopes by 5060 * passing in {@code null} as the {@code who} parameter and its own name as the 5061 * {@code delegatepackage}. 5062 * 5063 * @param who the device owner or profile owner, or {@code null} if the caller is 5064 * {@code delegatePackage}. 5065 * @param delegatePackage the name of the delegate package whose scopes are to be retrieved. 5066 * @return a list of the delegation scopes currently given to {@code delegatePackage}. 5067 */ 5068 @Override 5069 @NonNull 5070 public List<String> getDelegatedScopes(ComponentName who, 5071 String delegatePackage) throws SecurityException { 5072 Preconditions.checkNotNull(delegatePackage, "Delegate package is null"); 5073 5074 // Retrieve the user ID of the calling process. 5075 final int callingUid = mInjector.binderGetCallingUid(); 5076 final int userId = UserHandle.getUserId(callingUid); 5077 synchronized (this) { 5078 // Ensure calling process is device/profile owner. 5079 if (who != null) { 5080 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5081 // Or ensure calling process is delegatePackage itself. 5082 } else { 5083 int uid = 0; 5084 try { 5085 uid = mInjector.getPackageManager() 5086 .getPackageUidAsUser(delegatePackage, userId); 5087 } catch(NameNotFoundException e) { 5088 } 5089 if (uid != callingUid) { 5090 throw new SecurityException("Caller with uid " + callingUid + " is not " 5091 + delegatePackage); 5092 } 5093 } 5094 final DevicePolicyData policy = getUserData(userId); 5095 // Retrieve the scopes assigned to delegatePackage, or null if no scope was given. 5096 final List<String> scopes = policy.mDelegationMap.get(delegatePackage); 5097 return scopes == null ? Collections.EMPTY_LIST : scopes; 5098 } 5099 } 5100 5101 /** 5102 * Get a list of packages that were given a specific delegation scopes by a device owner or 5103 * profile owner. 5104 * 5105 * @param who the device owner or profile owner. 5106 * @param scope the scope whose delegates are to be retrieved. 5107 * @return a list of the delegate packages currently given the {@code scope} delegation. 5108 */ 5109 @NonNull 5110 public List<String> getDelegatePackages(ComponentName who, String scope) 5111 throws SecurityException { 5112 Preconditions.checkNotNull(who, "ComponentName is null"); 5113 Preconditions.checkNotNull(scope, "Scope is null"); 5114 if (!Arrays.asList(DELEGATIONS).contains(scope)) { 5115 throw new IllegalArgumentException("Unexpected delegation scope: " + scope); 5116 } 5117 5118 // Retrieve the user ID of the calling process. 5119 final int userId = mInjector.userHandleGetCallingUserId(); 5120 synchronized (this) { 5121 // Ensure calling process is device/profile owner. 5122 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5123 final DevicePolicyData policy = getUserData(userId); 5124 5125 // Create a list to hold the resulting delegate packages. 5126 final List<String> delegatePackagesWithScope = new ArrayList<>(); 5127 // Add all delegations containing scope to the result list. 5128 for (int i = 0; i < policy.mDelegationMap.size(); i++) { 5129 if (policy.mDelegationMap.valueAt(i).contains(scope)) { 5130 delegatePackagesWithScope.add(policy.mDelegationMap.keyAt(i)); 5131 } 5132 } 5133 return delegatePackagesWithScope; 5134 } 5135 } 5136 5137 /** 5138 * Check whether a caller application has been delegated a given scope via 5139 * {@link #setDelegatedScopes} to access privileged APIs on the behalf of a profile owner or 5140 * device owner. 5141 * <p> 5142 * This is done by checking that {@code callerPackage} was granted {@code scope} delegation and 5143 * then comparing the calling UID with the UID of {@code callerPackage} as reported by 5144 * {@link PackageManager#getPackageUidAsUser}. 5145 * 5146 * @param callerPackage the name of the package that is trying to invoke a function in the DPMS. 5147 * @param scope the delegation scope to be checked. 5148 * @return {@code true} if the calling process is a delegate of {@code scope}. 5149 */ 5150 private boolean isCallerDelegate(String callerPackage, String scope) { 5151 Preconditions.checkNotNull(callerPackage, "callerPackage is null"); 5152 if (!Arrays.asList(DELEGATIONS).contains(scope)) { 5153 throw new IllegalArgumentException("Unexpected delegation scope: " + scope); 5154 } 5155 5156 // Retrieve the UID and user ID of the calling process. 5157 final int callingUid = mInjector.binderGetCallingUid(); 5158 final int userId = UserHandle.getUserId(callingUid); 5159 synchronized (this) { 5160 // Retrieve user policy data. 5161 final DevicePolicyData policy = getUserData(userId); 5162 // Retrieve the list of delegation scopes granted to callerPackage. 5163 final List<String> scopes = policy.mDelegationMap.get(callerPackage); 5164 // Check callingUid only if callerPackage has the required scope delegation. 5165 if (scopes != null && scopes.contains(scope)) { 5166 try { 5167 // Retrieve the expected UID for callerPackage. 5168 final int uid = mInjector.getPackageManager() 5169 .getPackageUidAsUser(callerPackage, userId); 5170 // Return true if the caller is actually callerPackage. 5171 return uid == callingUid; 5172 } catch (NameNotFoundException e) { 5173 // Ignore. 5174 } 5175 } 5176 return false; 5177 } 5178 } 5179 5180 /** 5181 * Throw a security exception if a ComponentName is given and it is not a device/profile owner 5182 * or if the calling process is not a delegate of the given scope. 5183 * 5184 * @param who the device owner of profile owner, or null if {@code callerPackage} is a 5185 * {@code scope} delegate. 5186 * @param callerPackage the name of the calling package. Required if {@code who} is 5187 * {@code null}. 5188 * @param reqPolicy the policy used in the API whose access permission is being checked. 5189 * @param scope the delegation scope corresponding to the API being checked. 5190 * @throws SecurityException if {@code who} is given and is not an owner for {@code reqPolicy}; 5191 * or when {@code who} is {@code null} and {@code callerPackage} is not a delegate 5192 * of {@code scope}. 5193 */ 5194 private void enforceCanManageScope(ComponentName who, String callerPackage, int reqPolicy, 5195 String scope) { 5196 // If a ComponentName is given ensure it is a device or profile owner according to policy. 5197 if (who != null) { 5198 synchronized (this) { 5199 getActiveAdminForCallerLocked(who, reqPolicy); 5200 } 5201 // If no ComponentName is given ensure calling process has scope delegation. 5202 } else if (!isCallerDelegate(callerPackage, scope)) { 5203 throw new SecurityException("Caller with uid " + mInjector.binderGetCallingUid() 5204 + " is not a delegate of scope " + scope + "."); 5205 } 5206 } 5207 5208 /** 5209 * Helper function to preserve delegation behavior pre-O when using the deprecated functions 5210 * {@code #setCertInstallerPackage} and {@code #setApplicationRestrictionsManagingPackage}. 5211 */ 5212 private void setDelegatedScopePreO(ComponentName who, 5213 String delegatePackage, String scope) { 5214 Preconditions.checkNotNull(who, "ComponentName is null"); 5215 5216 final int userId = mInjector.userHandleGetCallingUserId(); 5217 synchronized(this) { 5218 // Ensure calling process is device/profile owner. 5219 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5220 final DevicePolicyData policy = getUserData(userId); 5221 5222 if (delegatePackage != null) { 5223 // Set package as a delegate for scope if it is not already one. 5224 List<String> scopes = policy.mDelegationMap.get(delegatePackage); 5225 if (scopes == null) { 5226 scopes = new ArrayList<>(); 5227 } 5228 if (!scopes.contains(scope)) { 5229 scopes.add(scope); 5230 setDelegatedScopes(who, delegatePackage, scopes); 5231 } 5232 } 5233 5234 // Clear any existing scope delegates. 5235 for (int i = 0; i < policy.mDelegationMap.size(); i++) { 5236 final String currentPackage = policy.mDelegationMap.keyAt(i); 5237 final List<String> currentScopes = policy.mDelegationMap.valueAt(i); 5238 5239 if (!currentPackage.equals(delegatePackage) && currentScopes.contains(scope)) { 5240 final List<String> newScopes = new ArrayList(currentScopes); 5241 newScopes.remove(scope); 5242 setDelegatedScopes(who, currentPackage, newScopes); 5243 } 5244 } 5245 } 5246 } 5247 5248 @Override 5249 public void setCertInstallerPackage(ComponentName who, String installerPackage) 5250 throws SecurityException { 5251 setDelegatedScopePreO(who, installerPackage, DELEGATION_CERT_INSTALL); 5252 } 5253 5254 @Override 5255 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 5256 final List<String> delegatePackages = getDelegatePackages(who, DELEGATION_CERT_INSTALL); 5257 return delegatePackages.size() > 0 ? delegatePackages.get(0) : null; 5258 } 5259 5260 /** 5261 * @return {@code true} if the package is installed and set as always-on, {@code false} if it is 5262 * not installed and therefore not available. 5263 * 5264 * @throws SecurityException if the caller is not a profile or device owner. 5265 * @throws UnsupportedOperationException if the package does not support being set as always-on. 5266 */ 5267 @Override 5268 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) 5269 throws SecurityException { 5270 enforceProfileOrDeviceOwner(admin); 5271 5272 final int userId = mInjector.userHandleGetCallingUserId(); 5273 final long token = mInjector.binderClearCallingIdentity(); 5274 try { 5275 if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { 5276 return false; 5277 } 5278 ConnectivityManager connectivityManager = (ConnectivityManager) 5279 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5280 if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { 5281 throw new UnsupportedOperationException(); 5282 } 5283 } finally { 5284 mInjector.binderRestoreCallingIdentity(token); 5285 } 5286 return true; 5287 } 5288 5289 @Override 5290 public String getAlwaysOnVpnPackage(ComponentName admin) 5291 throws SecurityException { 5292 enforceProfileOrDeviceOwner(admin); 5293 5294 final int userId = mInjector.userHandleGetCallingUserId(); 5295 final long token = mInjector.binderClearCallingIdentity(); 5296 try{ 5297 ConnectivityManager connectivityManager = (ConnectivityManager) 5298 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5299 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 5300 } finally { 5301 mInjector.binderRestoreCallingIdentity(token); 5302 } 5303 } 5304 5305 private void forceWipeDeviceNoLock(boolean wipeExtRequested, String reason) { 5306 wtfIfInLock(); 5307 5308 if (wipeExtRequested) { 5309 StorageManager sm = (StorageManager) mContext.getSystemService( 5310 Context.STORAGE_SERVICE); 5311 sm.wipeAdoptableDisks(); 5312 } 5313 try { 5314 mInjector.recoverySystemRebootWipeUserData( 5315 /*shutdown=*/ false, reason, /*force=*/ true); 5316 } catch (IOException | SecurityException e) { 5317 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 5318 } 5319 } 5320 5321 private void forceWipeUser(int userId) { 5322 try { 5323 IActivityManager am = mInjector.getIActivityManager(); 5324 if (am.getCurrentUser().id == userId) { 5325 am.switchUser(UserHandle.USER_SYSTEM); 5326 } 5327 5328 boolean userRemoved = mUserManagerInternal.removeUserEvenWhenDisallowed(userId); 5329 if (!userRemoved) { 5330 Slog.w(LOG_TAG, "Couldn't remove user " + userId); 5331 } else if (isManagedProfile(userId)) { 5332 sendWipeProfileNotification(); 5333 } 5334 } catch (RemoteException re) { 5335 // Shouldn't happen 5336 } 5337 } 5338 5339 @Override 5340 public void wipeData(int flags) { 5341 if (!mHasFeature) { 5342 return; 5343 } 5344 enforceFullCrossUsersPermission(mInjector.userHandleGetCallingUserId()); 5345 5346 final ActiveAdmin admin; 5347 synchronized (this) { 5348 admin = getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_WIPE_DATA); 5349 } 5350 String reason = "DevicePolicyManager.wipeData() from " 5351 + admin.info.getComponent().flattenToShortString(); 5352 wipeDataNoLock( 5353 admin.info.getComponent(), flags, reason, admin.getUserHandle().getIdentifier()); 5354 } 5355 5356 private void wipeDataNoLock(ComponentName admin, int flags, String reason, int userId) { 5357 wtfIfInLock(); 5358 5359 long ident = mInjector.binderClearCallingIdentity(); 5360 try { 5361 // First check whether the admin is allowed to wipe the device/user/profile. 5362 final String restriction; 5363 if (userId == UserHandle.USER_SYSTEM) { 5364 restriction = UserManager.DISALLOW_FACTORY_RESET; 5365 } else if (isManagedProfile(userId)) { 5366 restriction = UserManager.DISALLOW_REMOVE_MANAGED_PROFILE; 5367 } else { 5368 restriction = UserManager.DISALLOW_REMOVE_USER; 5369 } 5370 if (isAdminAffectedByRestriction(admin, restriction, userId)) { 5371 throw new SecurityException("Cannot wipe data. " + restriction 5372 + " restriction is set for user " + userId); 5373 } 5374 5375 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 5376 if (!isDeviceOwner(admin, userId)) { 5377 throw new SecurityException( 5378 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 5379 } 5380 PersistentDataBlockManager manager = (PersistentDataBlockManager) 5381 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 5382 if (manager != null) { 5383 manager.wipe(); 5384 } 5385 } 5386 5387 // TODO If split user is enabled and the device owner is set in the primary user 5388 // (rather than system), we should probably trigger factory reset. Current code just 5389 // removes that user (but still clears FRP...) 5390 if (userId == UserHandle.USER_SYSTEM) { 5391 forceWipeDeviceNoLock(/*wipeExtRequested=*/ (flags & WIPE_EXTERNAL_STORAGE) != 0, 5392 reason); 5393 } else { 5394 forceWipeUser(userId); 5395 } 5396 } finally { 5397 mInjector.binderRestoreCallingIdentity(ident); 5398 } 5399 } 5400 5401 private void sendWipeProfileNotification() { 5402 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 5403 Notification notification = 5404 new Notification.Builder(mContext, SystemNotificationChannels.DEVICE_ADMIN) 5405 .setSmallIcon(android.R.drawable.stat_sys_warning) 5406 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 5407 .setContentText(contentText) 5408 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 5409 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 5410 .build(); 5411 mInjector.getNotificationManager().notify(SystemMessage.NOTE_PROFILE_WIPED, notification); 5412 } 5413 5414 private void clearWipeProfileNotification() { 5415 mInjector.getNotificationManager().cancel(SystemMessage.NOTE_PROFILE_WIPED); 5416 } 5417 5418 @Override 5419 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 5420 if (!mHasFeature) { 5421 return; 5422 } 5423 enforceFullCrossUsersPermission(userHandle); 5424 mContext.enforceCallingOrSelfPermission( 5425 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5426 5427 synchronized (this) { 5428 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 5429 if (admin == null) { 5430 result.sendResult(null); 5431 return; 5432 } 5433 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 5434 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 5435 intent.setComponent(admin.info.getComponent()); 5436 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 5437 null, new BroadcastReceiver() { 5438 @Override 5439 public void onReceive(Context context, Intent intent) { 5440 result.sendResult(getResultExtras(false)); 5441 } 5442 }, null, Activity.RESULT_OK, null, null); 5443 } 5444 } 5445 5446 @Override 5447 public void setActivePasswordState(PasswordMetrics metrics, int userHandle) { 5448 if (!mHasFeature) { 5449 return; 5450 } 5451 enforceFullCrossUsersPermission(userHandle); 5452 mContext.enforceCallingOrSelfPermission( 5453 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5454 5455 // If the managed profile doesn't have a separate password, set the metrics to default 5456 if (isManagedProfile(userHandle) && !isSeparateProfileChallengeEnabled(userHandle)) { 5457 metrics = new PasswordMetrics(); 5458 } 5459 5460 validateQualityConstant(metrics.quality); 5461 DevicePolicyData policy = getUserData(userHandle); 5462 synchronized (this) { 5463 policy.mActivePasswordMetrics = metrics; 5464 policy.mPasswordStateHasBeenSetSinceBoot = true; 5465 } 5466 } 5467 5468 @Override 5469 public void reportPasswordChanged(@UserIdInt int userId) { 5470 if (!mHasFeature) { 5471 return; 5472 } 5473 enforceFullCrossUsersPermission(userId); 5474 5475 // Managed Profile password can only be changed when it has a separate challenge. 5476 if (!isSeparateProfileChallengeEnabled(userId)) { 5477 enforceNotManagedProfile(userId, "set the active password"); 5478 } 5479 5480 mContext.enforceCallingOrSelfPermission( 5481 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5482 5483 DevicePolicyData policy = getUserData(userId); 5484 5485 long ident = mInjector.binderClearCallingIdentity(); 5486 try { 5487 synchronized (this) { 5488 policy.mFailedPasswordAttempts = 0; 5489 updatePasswordValidityCheckpointLocked(userId); 5490 saveSettingsLocked(userId); 5491 updatePasswordExpirationsLocked(userId); 5492 setExpirationAlarmCheckLocked(mContext, userId, /* parent */ false); 5493 5494 // Send a broadcast to each profile using this password as its primary unlock. 5495 sendAdminCommandForLockscreenPoliciesLocked( 5496 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 5497 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userId); 5498 } 5499 removeCaApprovalsIfNeeded(userId); 5500 } finally { 5501 mInjector.binderRestoreCallingIdentity(ident); 5502 } 5503 } 5504 5505 /** 5506 * Called any time the device password is updated. Resets all password expiration clocks. 5507 */ 5508 private void updatePasswordExpirationsLocked(int userHandle) { 5509 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 5510 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 5511 userHandle, /* parent */ false); 5512 final int N = admins.size(); 5513 for (int i = 0; i < N; i++) { 5514 ActiveAdmin admin = admins.get(i); 5515 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 5516 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 5517 long timeout = admin.passwordExpirationTimeout; 5518 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 5519 admin.passwordExpirationDate = expiration; 5520 } 5521 } 5522 for (int affectedUserId : affectedUserIds) { 5523 saveSettingsLocked(affectedUserId); 5524 } 5525 } 5526 5527 @Override 5528 public void reportFailedPasswordAttempt(int userHandle) { 5529 enforceFullCrossUsersPermission(userHandle); 5530 if (!isSeparateProfileChallengeEnabled(userHandle)) { 5531 enforceNotManagedProfile(userHandle, 5532 "report failed password attempt if separate profile challenge is not in place"); 5533 } 5534 mContext.enforceCallingOrSelfPermission( 5535 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5536 5537 boolean wipeData = false; 5538 ActiveAdmin strictestAdmin = null; 5539 final long ident = mInjector.binderClearCallingIdentity(); 5540 try { 5541 synchronized (this) { 5542 DevicePolicyData policy = getUserData(userHandle); 5543 policy.mFailedPasswordAttempts++; 5544 saveSettingsLocked(userHandle); 5545 if (mHasFeature) { 5546 strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 5547 userHandle, /* parent */ false); 5548 int max = strictestAdmin != null 5549 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 5550 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 5551 wipeData = true; 5552 } 5553 5554 sendAdminCommandForLockscreenPoliciesLocked( 5555 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 5556 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5557 } 5558 } 5559 } finally { 5560 mInjector.binderRestoreCallingIdentity(ident); 5561 } 5562 5563 if (wipeData && strictestAdmin != null) { 5564 final int userId = strictestAdmin.getUserHandle().getIdentifier(); 5565 Slog.i(LOG_TAG, "Max failed password attempts policy reached for admin: " 5566 + strictestAdmin.info.getComponent().flattenToShortString() 5567 + ". Calling wipeData for user " + userId); 5568 5569 // Attempt to wipe the device/user/profile associated with the admin, as if the 5570 // admin had called wipeData(). That way we can check whether the admin is actually 5571 // allowed to wipe the device (e.g. a regular device admin shouldn't be able to wipe the 5572 // device if the device owner has set DISALLOW_FACTORY_RESET, but the DO should be 5573 // able to do so). 5574 // IMPORTANT: Call without holding the lock to prevent deadlock. 5575 try { 5576 wipeDataNoLock(strictestAdmin.info.getComponent(), 5577 /*flags=*/ 0, 5578 /*reason=*/ "reportFailedPasswordAttempt()", 5579 userId); 5580 } catch (SecurityException e) { 5581 Slog.w(LOG_TAG, "Failed to wipe user " + userId 5582 + " after max failed password attempts reached.", e); 5583 } 5584 } 5585 5586 if (mInjector.securityLogIsLoggingEnabled()) { 5587 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5588 /*method strength*/ 1); 5589 } 5590 } 5591 5592 @Override 5593 public void reportSuccessfulPasswordAttempt(int userHandle) { 5594 enforceFullCrossUsersPermission(userHandle); 5595 mContext.enforceCallingOrSelfPermission( 5596 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5597 5598 synchronized (this) { 5599 DevicePolicyData policy = getUserData(userHandle); 5600 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 5601 long ident = mInjector.binderClearCallingIdentity(); 5602 try { 5603 policy.mFailedPasswordAttempts = 0; 5604 policy.mPasswordOwner = -1; 5605 saveSettingsLocked(userHandle); 5606 if (mHasFeature) { 5607 sendAdminCommandForLockscreenPoliciesLocked( 5608 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 5609 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5610 } 5611 } finally { 5612 mInjector.binderRestoreCallingIdentity(ident); 5613 } 5614 } 5615 } 5616 5617 if (mInjector.securityLogIsLoggingEnabled()) { 5618 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5619 /*method strength*/ 1); 5620 } 5621 } 5622 5623 @Override 5624 public void reportFailedFingerprintAttempt(int userHandle) { 5625 enforceFullCrossUsersPermission(userHandle); 5626 mContext.enforceCallingOrSelfPermission( 5627 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5628 if (mInjector.securityLogIsLoggingEnabled()) { 5629 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5630 /*method strength*/ 0); 5631 } 5632 } 5633 5634 @Override 5635 public void reportSuccessfulFingerprintAttempt(int userHandle) { 5636 enforceFullCrossUsersPermission(userHandle); 5637 mContext.enforceCallingOrSelfPermission( 5638 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5639 if (mInjector.securityLogIsLoggingEnabled()) { 5640 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5641 /*method strength*/ 0); 5642 } 5643 } 5644 5645 @Override 5646 public void reportKeyguardDismissed(int userHandle) { 5647 enforceFullCrossUsersPermission(userHandle); 5648 mContext.enforceCallingOrSelfPermission( 5649 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5650 5651 if (mInjector.securityLogIsLoggingEnabled()) { 5652 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 5653 } 5654 } 5655 5656 @Override 5657 public void reportKeyguardSecured(int userHandle) { 5658 enforceFullCrossUsersPermission(userHandle); 5659 mContext.enforceCallingOrSelfPermission( 5660 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5661 5662 if (mInjector.securityLogIsLoggingEnabled()) { 5663 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 5664 } 5665 } 5666 5667 @Override 5668 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 5669 String exclusionList) { 5670 if (!mHasFeature) { 5671 return null; 5672 } 5673 synchronized(this) { 5674 Preconditions.checkNotNull(who, "ComponentName is null"); 5675 5676 // Only check if system user has set global proxy. We don't allow other users to set it. 5677 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5678 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5679 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 5680 5681 // Scan through active admins and find if anyone has already 5682 // set the global proxy. 5683 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 5684 for (ComponentName component : compSet) { 5685 ActiveAdmin ap = policy.mAdminMap.get(component); 5686 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 5687 // Another admin already sets the global proxy 5688 // Return it to the caller. 5689 return component; 5690 } 5691 } 5692 5693 // If the user is not system, don't set the global proxy. Fail silently. 5694 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 5695 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 5696 + UserHandle.getCallingUserId() + " is not permitted."); 5697 return null; 5698 } 5699 if (proxySpec == null) { 5700 admin.specifiesGlobalProxy = false; 5701 admin.globalProxySpec = null; 5702 admin.globalProxyExclusionList = null; 5703 } else { 5704 5705 admin.specifiesGlobalProxy = true; 5706 admin.globalProxySpec = proxySpec; 5707 admin.globalProxyExclusionList = exclusionList; 5708 } 5709 5710 // Reset the global proxy accordingly 5711 // Do this using system permissions, as apps cannot write to secure settings 5712 long origId = mInjector.binderClearCallingIdentity(); 5713 try { 5714 resetGlobalProxyLocked(policy); 5715 } finally { 5716 mInjector.binderRestoreCallingIdentity(origId); 5717 } 5718 return null; 5719 } 5720 } 5721 5722 @Override 5723 public ComponentName getGlobalProxyAdmin(int userHandle) { 5724 if (!mHasFeature) { 5725 return null; 5726 } 5727 enforceFullCrossUsersPermission(userHandle); 5728 synchronized(this) { 5729 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5730 // Scan through active admins and find if anyone has already 5731 // set the global proxy. 5732 final int N = policy.mAdminList.size(); 5733 for (int i = 0; i < N; i++) { 5734 ActiveAdmin ap = policy.mAdminList.get(i); 5735 if (ap.specifiesGlobalProxy) { 5736 // Device admin sets the global proxy 5737 // Return it to the caller. 5738 return ap.info.getComponent(); 5739 } 5740 } 5741 } 5742 // No device admin sets the global proxy. 5743 return null; 5744 } 5745 5746 @Override 5747 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 5748 synchronized (this) { 5749 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5750 } 5751 long token = mInjector.binderClearCallingIdentity(); 5752 try { 5753 ConnectivityManager connectivityManager = (ConnectivityManager) 5754 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5755 connectivityManager.setGlobalProxy(proxyInfo); 5756 } finally { 5757 mInjector.binderRestoreCallingIdentity(token); 5758 } 5759 } 5760 5761 private void resetGlobalProxyLocked(DevicePolicyData policy) { 5762 final int N = policy.mAdminList.size(); 5763 for (int i = 0; i < N; i++) { 5764 ActiveAdmin ap = policy.mAdminList.get(i); 5765 if (ap.specifiesGlobalProxy) { 5766 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 5767 return; 5768 } 5769 } 5770 // No device admins defining global proxies - reset global proxy settings to none 5771 saveGlobalProxyLocked(null, null); 5772 } 5773 5774 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 5775 if (exclusionList == null) { 5776 exclusionList = ""; 5777 } 5778 if (proxySpec == null) { 5779 proxySpec = ""; 5780 } 5781 // Remove white spaces 5782 proxySpec = proxySpec.trim(); 5783 String data[] = proxySpec.split(":"); 5784 int proxyPort = 8080; 5785 if (data.length > 1) { 5786 try { 5787 proxyPort = Integer.parseInt(data[1]); 5788 } catch (NumberFormatException e) {} 5789 } 5790 exclusionList = exclusionList.trim(); 5791 5792 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 5793 if (!proxyProperties.isValid()) { 5794 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 5795 return; 5796 } 5797 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 5798 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 5799 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 5800 exclusionList); 5801 } 5802 5803 /** 5804 * Set the storage encryption request for a single admin. Returns the new total request 5805 * status (for all admins). 5806 */ 5807 @Override 5808 public int setStorageEncryption(ComponentName who, boolean encrypt) { 5809 if (!mHasFeature) { 5810 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5811 } 5812 Preconditions.checkNotNull(who, "ComponentName is null"); 5813 final int userHandle = UserHandle.getCallingUserId(); 5814 synchronized (this) { 5815 // Check for permissions 5816 // Only system user can set storage encryption 5817 if (userHandle != UserHandle.USER_SYSTEM) { 5818 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 5819 + UserHandle.getCallingUserId() + " is not permitted."); 5820 return 0; 5821 } 5822 5823 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5824 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 5825 5826 // Quick exit: If the filesystem does not support encryption, we can exit early. 5827 if (!isEncryptionSupported()) { 5828 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5829 } 5830 5831 // (1) Record the value for the admin so it's sticky 5832 if (ap.encryptionRequested != encrypt) { 5833 ap.encryptionRequested = encrypt; 5834 saveSettingsLocked(userHandle); 5835 } 5836 5837 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5838 // (2) Compute "max" for all admins 5839 boolean newRequested = false; 5840 final int N = policy.mAdminList.size(); 5841 for (int i = 0; i < N; i++) { 5842 newRequested |= policy.mAdminList.get(i).encryptionRequested; 5843 } 5844 5845 // Notify OS of new request 5846 setEncryptionRequested(newRequested); 5847 5848 // Return the new global request status 5849 return newRequested 5850 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5851 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5852 } 5853 } 5854 5855 /** 5856 * Get the current storage encryption request status for a given admin, or aggregate of all 5857 * active admins. 5858 */ 5859 @Override 5860 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5861 if (!mHasFeature) { 5862 return false; 5863 } 5864 enforceFullCrossUsersPermission(userHandle); 5865 synchronized (this) { 5866 // Check for permissions if a particular caller is specified 5867 if (who != null) { 5868 // When checking for a single caller, status is based on caller's request 5869 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5870 return ap != null ? ap.encryptionRequested : false; 5871 } 5872 5873 // If no particular caller is specified, return the aggregate set of requests. 5874 // This is short circuited by returning true on the first hit. 5875 DevicePolicyData policy = getUserData(userHandle); 5876 final int N = policy.mAdminList.size(); 5877 for (int i = 0; i < N; i++) { 5878 if (policy.mAdminList.get(i).encryptionRequested) { 5879 return true; 5880 } 5881 } 5882 return false; 5883 } 5884 } 5885 5886 /** 5887 * Get the current encryption status of the device. 5888 */ 5889 @Override 5890 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5891 if (!mHasFeature) { 5892 // Ok to return current status. 5893 } 5894 enforceFullCrossUsersPermission(userHandle); 5895 5896 // It's not critical here, but let's make sure the package name is correct, in case 5897 // we start using it for different purposes. 5898 ensureCallerPackage(callerPackage); 5899 5900 final ApplicationInfo ai; 5901 try { 5902 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5903 } catch (RemoteException e) { 5904 throw new SecurityException(e); 5905 } 5906 5907 boolean legacyApp = false; 5908 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5909 legacyApp = true; 5910 } 5911 5912 final int rawStatus = getEncryptionStatus(); 5913 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5914 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5915 } 5916 return rawStatus; 5917 } 5918 5919 /** 5920 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5921 */ 5922 private boolean isEncryptionSupported() { 5923 // Note, this can be implemented as 5924 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5925 // But is provided as a separate internal method if there's a faster way to do a 5926 // simple check for supported-or-not. 5927 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5928 } 5929 5930 /** 5931 * Hook to low-levels: Reporting the current status of encryption. 5932 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5933 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5934 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5935 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5936 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5937 */ 5938 private int getEncryptionStatus() { 5939 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5940 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5941 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5942 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5943 } else if (mInjector.storageManagerIsEncrypted()) { 5944 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5945 } else if (mInjector.storageManagerIsEncryptable()) { 5946 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5947 } else { 5948 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5949 } 5950 } 5951 5952 /** 5953 * Hook to low-levels: If needed, record the new admin setting for encryption. 5954 */ 5955 private void setEncryptionRequested(boolean encrypt) { 5956 } 5957 5958 /** 5959 * Set whether the screen capture is disabled for the user managed by the specified admin. 5960 */ 5961 @Override 5962 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5963 if (!mHasFeature) { 5964 return; 5965 } 5966 Preconditions.checkNotNull(who, "ComponentName is null"); 5967 final int userHandle = UserHandle.getCallingUserId(); 5968 synchronized (this) { 5969 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5970 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5971 if (ap.disableScreenCapture != disabled) { 5972 ap.disableScreenCapture = disabled; 5973 saveSettingsLocked(userHandle); 5974 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5975 } 5976 } 5977 } 5978 5979 /** 5980 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5981 * active admin (if given admin is null). 5982 */ 5983 @Override 5984 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 5985 if (!mHasFeature) { 5986 return false; 5987 } 5988 synchronized (this) { 5989 if (who != null) { 5990 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5991 return (admin != null) ? admin.disableScreenCapture : false; 5992 } 5993 5994 DevicePolicyData policy = getUserData(userHandle); 5995 final int N = policy.mAdminList.size(); 5996 for (int i = 0; i < N; i++) { 5997 ActiveAdmin admin = policy.mAdminList.get(i); 5998 if (admin.disableScreenCapture) { 5999 return true; 6000 } 6001 } 6002 return false; 6003 } 6004 } 6005 6006 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 6007 final boolean disabled) { 6008 mHandler.post(new Runnable() { 6009 @Override 6010 public void run() { 6011 try { 6012 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 6013 } catch (RemoteException e) { 6014 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 6015 } 6016 } 6017 }); 6018 } 6019 6020 /** 6021 * Set whether auto time is required by the specified admin (must be device or profile owner). 6022 */ 6023 @Override 6024 public void setAutoTimeRequired(ComponentName who, boolean required) { 6025 if (!mHasFeature) { 6026 return; 6027 } 6028 Preconditions.checkNotNull(who, "ComponentName is null"); 6029 final int userHandle = UserHandle.getCallingUserId(); 6030 synchronized (this) { 6031 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6032 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6033 if (admin.requireAutoTime != required) { 6034 admin.requireAutoTime = required; 6035 saveSettingsLocked(userHandle); 6036 } 6037 } 6038 6039 // Turn AUTO_TIME on in settings if it is required 6040 if (required) { 6041 long ident = mInjector.binderClearCallingIdentity(); 6042 try { 6043 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 6044 } finally { 6045 mInjector.binderRestoreCallingIdentity(ident); 6046 } 6047 } 6048 } 6049 6050 /** 6051 * Returns whether or not auto time is required by the device owner or any profile owner. 6052 */ 6053 @Override 6054 public boolean getAutoTimeRequired() { 6055 if (!mHasFeature) { 6056 return false; 6057 } 6058 synchronized (this) { 6059 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6060 if (deviceOwner != null && deviceOwner.requireAutoTime) { 6061 // If the device owner enforces auto time, we don't need to check the PO's 6062 return true; 6063 } 6064 6065 // Now check to see if any profile owner on any user enforces auto time 6066 for (Integer userId : mOwners.getProfileOwnerKeys()) { 6067 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 6068 if (profileOwner != null && profileOwner.requireAutoTime) { 6069 return true; 6070 } 6071 } 6072 6073 return false; 6074 } 6075 } 6076 6077 @Override 6078 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 6079 if (!mHasFeature) { 6080 return; 6081 } 6082 Preconditions.checkNotNull(who, "ComponentName is null"); 6083 // Allow setting this policy to true only if there is a split system user. 6084 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 6085 throw new UnsupportedOperationException( 6086 "Cannot force ephemeral users on systems without split system user."); 6087 } 6088 boolean removeAllUsers = false; 6089 synchronized (this) { 6090 final ActiveAdmin deviceOwner = 6091 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6092 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 6093 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 6094 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 6095 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 6096 removeAllUsers = forceEphemeralUsers; 6097 } 6098 } 6099 if (removeAllUsers) { 6100 long identitity = mInjector.binderClearCallingIdentity(); 6101 try { 6102 mUserManagerInternal.removeAllUsers(); 6103 } finally { 6104 mInjector.binderRestoreCallingIdentity(identitity); 6105 } 6106 } 6107 } 6108 6109 @Override 6110 public boolean getForceEphemeralUsers(ComponentName who) { 6111 if (!mHasFeature) { 6112 return false; 6113 } 6114 Preconditions.checkNotNull(who, "ComponentName is null"); 6115 synchronized (this) { 6116 final ActiveAdmin deviceOwner = 6117 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6118 return deviceOwner.forceEphemeralUsers; 6119 } 6120 } 6121 6122 private void ensureDeviceOwnerAndAllUsersAffiliated(ComponentName who) throws SecurityException { 6123 synchronized (this) { 6124 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6125 if (!areAllUsersAffiliatedWithDeviceLocked()) { 6126 throw new SecurityException("Not all users are affiliated."); 6127 } 6128 } 6129 } 6130 6131 @Override 6132 public boolean requestBugreport(ComponentName who) { 6133 if (!mHasFeature) { 6134 return false; 6135 } 6136 Preconditions.checkNotNull(who, "ComponentName is null"); 6137 6138 // TODO: If an unaffiliated user is removed, the admin will be able to request a bugreport 6139 // which could still contain data related to that user. Should we disallow that, e.g. until 6140 // next boot? Might not be needed given that this still requires user consent. 6141 ensureDeviceOwnerAndAllUsersAffiliated(who); 6142 6143 if (mRemoteBugreportServiceIsActive.get() 6144 || (getDeviceOwnerRemoteBugreportUri() != null)) { 6145 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 6146 return false; 6147 } 6148 6149 final long currentTime = System.currentTimeMillis(); 6150 synchronized (this) { 6151 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 6152 if (currentTime > policyData.mLastBugReportRequestTime) { 6153 policyData.mLastBugReportRequestTime = currentTime; 6154 saveSettingsLocked(UserHandle.USER_SYSTEM); 6155 } 6156 } 6157 6158 final long callingIdentity = mInjector.binderClearCallingIdentity(); 6159 try { 6160 mInjector.getIActivityManager().requestBugReport( 6161 ActivityManager.BUGREPORT_OPTION_REMOTE); 6162 6163 mRemoteBugreportServiceIsActive.set(true); 6164 mRemoteBugreportSharingAccepted.set(false); 6165 registerRemoteBugreportReceivers(); 6166 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 6167 RemoteBugreportUtils.NOTIFICATION_ID, 6168 RemoteBugreportUtils.buildNotification(mContext, 6169 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 6170 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 6171 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 6172 return true; 6173 } catch (RemoteException re) { 6174 // should never happen 6175 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 6176 return false; 6177 } finally { 6178 mInjector.binderRestoreCallingIdentity(callingIdentity); 6179 } 6180 } 6181 6182 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 6183 Intent intent = new Intent(action); 6184 intent.setComponent(mOwners.getDeviceOwnerComponent()); 6185 if (extras != null) { 6186 intent.putExtras(extras); 6187 } 6188 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 6189 } 6190 6191 private synchronized String getDeviceOwnerRemoteBugreportUri() { 6192 return mOwners.getDeviceOwnerRemoteBugreportUri(); 6193 } 6194 6195 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 6196 String bugreportHash) { 6197 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 6198 } 6199 6200 private void registerRemoteBugreportReceivers() { 6201 try { 6202 IntentFilter filterFinished = new IntentFilter( 6203 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 6204 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 6205 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 6206 } catch (IntentFilter.MalformedMimeTypeException e) { 6207 // should never happen, as setting a constant 6208 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 6209 } 6210 IntentFilter filterConsent = new IntentFilter(); 6211 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 6212 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 6213 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 6214 } 6215 6216 private void onBugreportFinished(Intent intent) { 6217 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 6218 mRemoteBugreportServiceIsActive.set(false); 6219 Uri bugreportUri = intent.getData(); 6220 String bugreportUriString = null; 6221 if (bugreportUri != null) { 6222 bugreportUriString = bugreportUri.toString(); 6223 } 6224 String bugreportHash = intent.getStringExtra( 6225 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 6226 if (mRemoteBugreportSharingAccepted.get()) { 6227 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 6228 mInjector.getNotificationManager().cancel(LOG_TAG, 6229 RemoteBugreportUtils.NOTIFICATION_ID); 6230 } else { 6231 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 6232 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 6233 RemoteBugreportUtils.buildNotification(mContext, 6234 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 6235 UserHandle.ALL); 6236 } 6237 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6238 } 6239 6240 private void onBugreportFailed() { 6241 mRemoteBugreportServiceIsActive.set(false); 6242 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 6243 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 6244 mRemoteBugreportSharingAccepted.set(false); 6245 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6246 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 6247 Bundle extras = new Bundle(); 6248 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 6249 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 6250 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 6251 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 6252 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6253 } 6254 6255 private void onBugreportSharingAccepted() { 6256 mRemoteBugreportSharingAccepted.set(true); 6257 String bugreportUriString = null; 6258 String bugreportHash = null; 6259 synchronized (this) { 6260 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 6261 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 6262 } 6263 if (bugreportUriString != null) { 6264 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 6265 } else if (mRemoteBugreportServiceIsActive.get()) { 6266 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 6267 RemoteBugreportUtils.buildNotification(mContext, 6268 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 6269 UserHandle.ALL); 6270 } 6271 } 6272 6273 private void onBugreportSharingDeclined() { 6274 if (mRemoteBugreportServiceIsActive.get()) { 6275 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 6276 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 6277 mRemoteBugreportServiceIsActive.set(false); 6278 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 6279 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6280 } 6281 mRemoteBugreportSharingAccepted.set(false); 6282 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6283 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 6284 } 6285 6286 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 6287 String bugreportHash) { 6288 ParcelFileDescriptor pfd = null; 6289 try { 6290 if (bugreportUriString == null) { 6291 throw new FileNotFoundException(); 6292 } 6293 Uri bugreportUri = Uri.parse(bugreportUriString); 6294 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 6295 6296 synchronized (this) { 6297 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 6298 intent.setComponent(mOwners.getDeviceOwnerComponent()); 6299 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 6300 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 6301 intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 6302 6303 LocalServices.getService(ActivityManagerInternal.class) 6304 .grantUriPermissionFromIntent(Process.SHELL_UID, 6305 mOwners.getDeviceOwnerComponent().getPackageName(), 6306 intent, mOwners.getDeviceOwnerUserId()); 6307 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 6308 } 6309 } catch (FileNotFoundException e) { 6310 Bundle extras = new Bundle(); 6311 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 6312 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 6313 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 6314 } finally { 6315 try { 6316 if (pfd != null) { 6317 pfd.close(); 6318 } 6319 } catch (IOException ex) { 6320 // Ignore 6321 } 6322 mRemoteBugreportSharingAccepted.set(false); 6323 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6324 } 6325 } 6326 6327 /** 6328 * Disables all device cameras according to the specified admin. 6329 */ 6330 @Override 6331 public void setCameraDisabled(ComponentName who, boolean disabled) { 6332 if (!mHasFeature) { 6333 return; 6334 } 6335 Preconditions.checkNotNull(who, "ComponentName is null"); 6336 final int userHandle = mInjector.userHandleGetCallingUserId(); 6337 synchronized (this) { 6338 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 6339 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 6340 if (ap.disableCamera != disabled) { 6341 ap.disableCamera = disabled; 6342 saveSettingsLocked(userHandle); 6343 } 6344 } 6345 // Tell the user manager that the restrictions have changed. 6346 pushUserRestrictions(userHandle); 6347 } 6348 6349 /** 6350 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 6351 * active admins. 6352 */ 6353 @Override 6354 public boolean getCameraDisabled(ComponentName who, int userHandle) { 6355 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 6356 } 6357 6358 private boolean getCameraDisabled(ComponentName who, int userHandle, 6359 boolean mergeDeviceOwnerRestriction) { 6360 if (!mHasFeature) { 6361 return false; 6362 } 6363 synchronized (this) { 6364 if (who != null) { 6365 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6366 return (admin != null) ? admin.disableCamera : false; 6367 } 6368 // First, see if DO has set it. If so, it's device-wide. 6369 if (mergeDeviceOwnerRestriction) { 6370 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6371 if (deviceOwner != null && deviceOwner.disableCamera) { 6372 return true; 6373 } 6374 } 6375 6376 // Then check each device admin on the user. 6377 DevicePolicyData policy = getUserData(userHandle); 6378 // Determine whether or not the device camera is disabled for any active admins. 6379 final int N = policy.mAdminList.size(); 6380 for (int i = 0; i < N; i++) { 6381 ActiveAdmin admin = policy.mAdminList.get(i); 6382 if (admin.disableCamera) { 6383 return true; 6384 } 6385 } 6386 return false; 6387 } 6388 } 6389 6390 @Override 6391 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 6392 if (!mHasFeature) { 6393 return; 6394 } 6395 Preconditions.checkNotNull(who, "ComponentName is null"); 6396 final int userHandle = mInjector.userHandleGetCallingUserId(); 6397 if (isManagedProfile(userHandle)) { 6398 if (parent) { 6399 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 6400 } else { 6401 which = which & PROFILE_KEYGUARD_FEATURES; 6402 } 6403 } 6404 synchronized (this) { 6405 ActiveAdmin ap = getActiveAdminForCallerLocked( 6406 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 6407 if (ap.disabledKeyguardFeatures != which) { 6408 ap.disabledKeyguardFeatures = which; 6409 saveSettingsLocked(userHandle); 6410 } 6411 } 6412 } 6413 6414 /** 6415 * Gets the disabled state for features in keyguard for the given admin, 6416 * or the aggregate of all active admins if who is null. 6417 */ 6418 @Override 6419 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 6420 if (!mHasFeature) { 6421 return 0; 6422 } 6423 enforceFullCrossUsersPermission(userHandle); 6424 final long ident = mInjector.binderClearCallingIdentity(); 6425 try { 6426 synchronized (this) { 6427 if (who != null) { 6428 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 6429 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 6430 } 6431 6432 final List<ActiveAdmin> admins; 6433 if (!parent && isManagedProfile(userHandle)) { 6434 // If we are being asked about a managed profile, just return keyguard features 6435 // disabled by admins in the profile. 6436 admins = getUserDataUnchecked(userHandle).mAdminList; 6437 } else { 6438 // Otherwise return those set by admins in the user and its profiles. 6439 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 6440 } 6441 6442 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 6443 final int N = admins.size(); 6444 for (int i = 0; i < N; i++) { 6445 ActiveAdmin admin = admins.get(i); 6446 int userId = admin.getUserHandle().getIdentifier(); 6447 boolean isRequestedUser = !parent && (userId == userHandle); 6448 if (isRequestedUser || !isManagedProfile(userId)) { 6449 // If we are being asked explicitly about this user 6450 // return all disabled features even if its a managed profile. 6451 which |= admin.disabledKeyguardFeatures; 6452 } else { 6453 // Otherwise a managed profile is only allowed to disable 6454 // some features on the parent user. 6455 which |= (admin.disabledKeyguardFeatures 6456 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 6457 } 6458 } 6459 return which; 6460 } 6461 } finally { 6462 mInjector.binderRestoreCallingIdentity(ident); 6463 } 6464 } 6465 6466 @Override 6467 public void setKeepUninstalledPackages(ComponentName who, String callerPackage, 6468 List<String> packageList) { 6469 if (!mHasFeature) { 6470 return; 6471 } 6472 Preconditions.checkNotNull(packageList, "packageList is null"); 6473 final int userHandle = UserHandle.getCallingUserId(); 6474 synchronized (this) { 6475 // Ensure the caller is a DO or a keep uninstalled packages delegate. 6476 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 6477 DELEGATION_KEEP_UNINSTALLED_PACKAGES); 6478 // Get the device owner 6479 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6480 // Set list of packages to be kept even if uninstalled. 6481 deviceOwner.keepUninstalledPackages = packageList; 6482 // Save settings. 6483 saveSettingsLocked(userHandle); 6484 // Notify package manager. 6485 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 6486 } 6487 } 6488 6489 @Override 6490 public List<String> getKeepUninstalledPackages(ComponentName who, String callerPackage) { 6491 if (!mHasFeature) { 6492 return null; 6493 } 6494 // TODO In split system user mode, allow apps on user 0 to query the list 6495 synchronized (this) { 6496 // Ensure the caller is a DO or a keep uninstalled packages delegate. 6497 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 6498 DELEGATION_KEEP_UNINSTALLED_PACKAGES); 6499 return getKeepUninstalledPackagesLocked(); 6500 } 6501 } 6502 6503 private List<String> getKeepUninstalledPackagesLocked() { 6504 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6505 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 6506 } 6507 6508 @Override 6509 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 6510 if (!mHasFeature) { 6511 return false; 6512 } 6513 if (admin == null 6514 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 6515 throw new IllegalArgumentException("Invalid component " + admin 6516 + " for device owner"); 6517 } 6518 final boolean hasIncompatibleAccountsOrNonAdb = 6519 hasIncompatibleAccountsOrNonAdbNoLock(userId, admin); 6520 synchronized (this) { 6521 enforceCanSetDeviceOwnerLocked(admin, userId, hasIncompatibleAccountsOrNonAdb); 6522 final ActiveAdmin activeAdmin = getActiveAdminUncheckedLocked(admin, userId); 6523 if (activeAdmin == null 6524 || getUserData(userId).mRemovingAdmins.contains(admin)) { 6525 throw new IllegalArgumentException("Not active admin: " + admin); 6526 } 6527 6528 // Shutting down backup manager service permanently. 6529 long ident = mInjector.binderClearCallingIdentity(); 6530 try { 6531 if (mInjector.getIBackupManager() != null) { 6532 mInjector.getIBackupManager() 6533 .setBackupServiceActive(UserHandle.USER_SYSTEM, false); 6534 } 6535 } catch (RemoteException e) { 6536 throw new IllegalStateException("Failed deactivating backup service.", e); 6537 } finally { 6538 mInjector.binderRestoreCallingIdentity(ident); 6539 } 6540 6541 if (isAdb()) { 6542 // Log device owner provisioning was started using adb. 6543 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_DEVICE_OWNER); 6544 } 6545 6546 mOwners.setDeviceOwner(admin, ownerName, userId); 6547 mOwners.writeDeviceOwner(); 6548 updateDeviceOwnerLocked(); 6549 setDeviceOwnerSystemPropertyLocked(); 6550 6551 final Set<String> restrictions = 6552 UserRestrictionsUtils.getDefaultEnabledForDeviceOwner(); 6553 if (!restrictions.isEmpty()) { 6554 for (String restriction : restrictions) { 6555 activeAdmin.ensureUserRestrictions().putBoolean(restriction, true); 6556 } 6557 activeAdmin.defaultEnabledRestrictionsAlreadySet.addAll(restrictions); 6558 Slog.i(LOG_TAG, "Enabled the following restrictions by default: " + restrictions); 6559 6560 saveUserRestrictionsLocked(userId); 6561 } 6562 6563 ident = mInjector.binderClearCallingIdentity(); 6564 try { 6565 // TODO Send to system too? 6566 mContext.sendBroadcastAsUser( 6567 new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED) 6568 .addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND), 6569 UserHandle.of(userId)); 6570 } finally { 6571 mInjector.binderRestoreCallingIdentity(ident); 6572 } 6573 mDeviceAdminServiceController.startServiceForOwner( 6574 admin.getPackageName(), userId, "set-device-owner"); 6575 6576 Slog.i(LOG_TAG, "Device owner set: " + admin + " on user " + userId); 6577 return true; 6578 } 6579 } 6580 6581 @Override 6582 public boolean hasDeviceOwner() { 6583 enforceDeviceOwnerOrManageUsers(); 6584 return mOwners.hasDeviceOwner(); 6585 } 6586 6587 boolean isDeviceOwner(ActiveAdmin admin) { 6588 return isDeviceOwner(admin.info.getComponent(), admin.getUserHandle().getIdentifier()); 6589 } 6590 6591 public boolean isDeviceOwner(ComponentName who, int userId) { 6592 synchronized (this) { 6593 return mOwners.hasDeviceOwner() 6594 && mOwners.getDeviceOwnerUserId() == userId 6595 && mOwners.getDeviceOwnerComponent().equals(who); 6596 } 6597 } 6598 6599 private boolean isDeviceOwnerPackage(String packageName, int userId) { 6600 synchronized (this) { 6601 return mOwners.hasDeviceOwner() 6602 && mOwners.getDeviceOwnerUserId() == userId 6603 && mOwners.getDeviceOwnerPackageName().equals(packageName); 6604 } 6605 } 6606 6607 private boolean isProfileOwnerPackage(String packageName, int userId) { 6608 synchronized (this) { 6609 return mOwners.hasProfileOwner(userId) 6610 && mOwners.getProfileOwnerPackage(userId).equals(packageName); 6611 } 6612 } 6613 6614 public boolean isProfileOwner(ComponentName who, int userId) { 6615 final ComponentName profileOwner = getProfileOwner(userId); 6616 return who != null && who.equals(profileOwner); 6617 } 6618 6619 @Override 6620 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 6621 if (!mHasFeature) { 6622 return null; 6623 } 6624 if (!callingUserOnly) { 6625 enforceManageUsers(); 6626 } 6627 synchronized (this) { 6628 if (!mOwners.hasDeviceOwner()) { 6629 return null; 6630 } 6631 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 6632 mOwners.getDeviceOwnerUserId()) { 6633 return null; 6634 } 6635 return mOwners.getDeviceOwnerComponent(); 6636 } 6637 } 6638 6639 @Override 6640 public int getDeviceOwnerUserId() { 6641 if (!mHasFeature) { 6642 return UserHandle.USER_NULL; 6643 } 6644 enforceManageUsers(); 6645 synchronized (this) { 6646 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 6647 } 6648 } 6649 6650 /** 6651 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 6652 * MANAGE_USERS. 6653 */ 6654 @Override 6655 public String getDeviceOwnerName() { 6656 if (!mHasFeature) { 6657 return null; 6658 } 6659 enforceManageUsers(); 6660 synchronized (this) { 6661 if (!mOwners.hasDeviceOwner()) { 6662 return null; 6663 } 6664 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 6665 // Should setDeviceOwner/ProfileOwner still take a name? 6666 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 6667 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 6668 } 6669 } 6670 6671 /** Returns the active device owner or {@code null} if there is no device owner. */ 6672 @VisibleForTesting 6673 ActiveAdmin getDeviceOwnerAdminLocked() { 6674 ComponentName component = mOwners.getDeviceOwnerComponent(); 6675 if (component == null) { 6676 return null; 6677 } 6678 6679 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 6680 final int n = policy.mAdminList.size(); 6681 for (int i = 0; i < n; i++) { 6682 ActiveAdmin admin = policy.mAdminList.get(i); 6683 if (component.equals(admin.info.getComponent())) { 6684 return admin; 6685 } 6686 } 6687 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 6688 return null; 6689 } 6690 6691 @Override 6692 public void clearDeviceOwner(String packageName) { 6693 Preconditions.checkNotNull(packageName, "packageName is null"); 6694 final int callingUid = mInjector.binderGetCallingUid(); 6695 try { 6696 int uid = mInjector.getPackageManager().getPackageUidAsUser(packageName, 6697 UserHandle.getUserId(callingUid)); 6698 if (uid != callingUid) { 6699 throw new SecurityException("Invalid packageName"); 6700 } 6701 } catch (NameNotFoundException e) { 6702 throw new SecurityException(e); 6703 } 6704 synchronized (this) { 6705 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 6706 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 6707 if (!mOwners.hasDeviceOwner() 6708 || !deviceOwnerComponent.getPackageName().equals(packageName) 6709 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 6710 throw new SecurityException( 6711 "clearDeviceOwner can only be called by the device owner"); 6712 } 6713 enforceUserUnlocked(deviceOwnerUserId); 6714 6715 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 6716 long ident = mInjector.binderClearCallingIdentity(); 6717 try { 6718 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 6719 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 6720 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 6721 intent.addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND); 6722 mContext.sendBroadcastAsUser(intent, UserHandle.of(deviceOwnerUserId)); 6723 } finally { 6724 mInjector.binderRestoreCallingIdentity(ident); 6725 } 6726 Slog.i(LOG_TAG, "Device owner removed: " + deviceOwnerComponent); 6727 } 6728 } 6729 6730 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 6731 mDeviceAdminServiceController.stopServiceForOwner(userId, "clear-device-owner"); 6732 6733 if (admin != null) { 6734 admin.disableCamera = false; 6735 admin.userRestrictions = null; 6736 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6737 admin.forceEphemeralUsers = false; 6738 admin.isNetworkLoggingEnabled = false; 6739 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 6740 } 6741 final DevicePolicyData policyData = getUserData(userId); 6742 policyData.mCurrentInputMethodSet = false; 6743 saveSettingsLocked(userId); 6744 final DevicePolicyData systemPolicyData = getUserData(UserHandle.USER_SYSTEM); 6745 systemPolicyData.mLastSecurityLogRetrievalTime = -1; 6746 systemPolicyData.mLastBugReportRequestTime = -1; 6747 systemPolicyData.mLastNetworkLogsRetrievalTime = -1; 6748 saveSettingsLocked(UserHandle.USER_SYSTEM); 6749 clearUserPoliciesLocked(userId); 6750 6751 mOwners.clearDeviceOwner(); 6752 mOwners.writeDeviceOwner(); 6753 updateDeviceOwnerLocked(); 6754 6755 clearDeviceOwnerUserRestrictionLocked(UserHandle.of(userId)); 6756 mInjector.securityLogSetLoggingEnabledProperty(false); 6757 mSecurityLogMonitor.stop(); 6758 setNetworkLoggingActiveInternal(false); 6759 6760 try { 6761 if (mInjector.getIBackupManager() != null) { 6762 // Reactivate backup service. 6763 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 6764 } 6765 } catch (RemoteException e) { 6766 throw new IllegalStateException("Failed reactivating backup service.", e); 6767 } 6768 } 6769 6770 @Override 6771 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 6772 if (!mHasFeature) { 6773 return false; 6774 } 6775 if (who == null 6776 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 6777 throw new IllegalArgumentException("Component " + who 6778 + " not installed for userId:" + userHandle); 6779 } 6780 final boolean hasIncompatibleAccountsOrNonAdb = 6781 hasIncompatibleAccountsOrNonAdbNoLock(userHandle, who); 6782 synchronized (this) { 6783 enforceCanSetProfileOwnerLocked(who, userHandle, hasIncompatibleAccountsOrNonAdb); 6784 6785 final ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6786 if (admin == null || getUserData(userHandle).mRemovingAdmins.contains(who)) { 6787 throw new IllegalArgumentException("Not active admin: " + who); 6788 } 6789 6790 if (isAdb()) { 6791 // Log profile owner provisioning was started using adb. 6792 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_PROFILE_OWNER); 6793 } 6794 6795 mOwners.setProfileOwner(who, ownerName, userHandle); 6796 mOwners.writeProfileOwner(userHandle); 6797 Slog.i(LOG_TAG, "Profile owner set: " + who + " on user " + userHandle); 6798 6799 final long id = mInjector.binderClearCallingIdentity(); 6800 try { 6801 if (mUserManager.isManagedProfile(userHandle)) { 6802 maybeSetDefaultRestrictionsForAdminLocked(userHandle, admin, 6803 UserRestrictionsUtils.getDefaultEnabledForManagedProfiles()); 6804 ensureUnknownSourcesRestrictionForProfileOwnerLocked(userHandle, admin, 6805 true /* newOwner */); 6806 } 6807 } finally { 6808 mInjector.binderRestoreCallingIdentity(id); 6809 } 6810 mDeviceAdminServiceController.startServiceForOwner( 6811 who.getPackageName(), userHandle, "set-profile-owner"); 6812 return true; 6813 } 6814 } 6815 6816 @Override 6817 public void clearProfileOwner(ComponentName who) { 6818 if (!mHasFeature) { 6819 return; 6820 } 6821 Preconditions.checkNotNull(who, "ComponentName is null"); 6822 6823 final int userId = mInjector.userHandleGetCallingUserId(); 6824 enforceNotManagedProfile(userId, "clear profile owner"); 6825 enforceUserUnlocked(userId); 6826 synchronized (this) { 6827 // Check if this is the profile owner who is calling 6828 final ActiveAdmin admin = 6829 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6830 6831 final long ident = mInjector.binderClearCallingIdentity(); 6832 try { 6833 clearProfileOwnerLocked(admin, userId); 6834 removeActiveAdminLocked(who, userId); 6835 } finally { 6836 mInjector.binderRestoreCallingIdentity(ident); 6837 } 6838 Slog.i(LOG_TAG, "Profile owner " + who + " removed from user " + userId); 6839 } 6840 } 6841 6842 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 6843 mDeviceAdminServiceController.stopServiceForOwner(userId, "clear-profile-owner"); 6844 6845 if (admin != null) { 6846 admin.disableCamera = false; 6847 admin.userRestrictions = null; 6848 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6849 } 6850 final DevicePolicyData policyData = getUserData(userId); 6851 policyData.mCurrentInputMethodSet = false; 6852 policyData.mOwnerInstalledCaCerts.clear(); 6853 saveSettingsLocked(userId); 6854 clearUserPoliciesLocked(userId); 6855 mOwners.removeProfileOwner(userId); 6856 mOwners.writeProfileOwner(userId); 6857 } 6858 6859 @Override 6860 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 6861 Preconditions.checkNotNull(who, "ComponentName is null"); 6862 if (!mHasFeature) { 6863 return; 6864 } 6865 6866 synchronized (this) { 6867 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6868 long token = mInjector.binderClearCallingIdentity(); 6869 try { 6870 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 6871 } finally { 6872 mInjector.binderRestoreCallingIdentity(token); 6873 } 6874 } 6875 } 6876 6877 @Override 6878 public CharSequence getDeviceOwnerLockScreenInfo() { 6879 return mLockPatternUtils.getDeviceOwnerInfo(); 6880 } 6881 6882 private void clearUserPoliciesLocked(int userId) { 6883 // Reset some of the user-specific policies. 6884 final DevicePolicyData policy = getUserData(userId); 6885 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 6886 // Clear delegations. 6887 policy.mDelegationMap.clear(); 6888 policy.mStatusBarDisabled = false; 6889 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 6890 policy.mAffiliationIds.clear(); 6891 policy.mLockTaskPackages.clear(); 6892 saveSettingsLocked(userId); 6893 6894 try { 6895 mIPackageManager.updatePermissionFlagsForAllApps( 6896 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6897 0 /* flagValues */, userId); 6898 pushUserRestrictions(userId); 6899 } catch (RemoteException re) { 6900 // Shouldn't happen. 6901 } 6902 } 6903 6904 @Override 6905 public boolean hasUserSetupCompleted() { 6906 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 6907 } 6908 6909 // This checks only if the Setup Wizard has run. Since Wear devices pair before 6910 // completing Setup Wizard, and pairing involves transferring user data, calling 6911 // logic may want to check mIsWatch or mPaired in addition to hasUserSetupCompleted(). 6912 private boolean hasUserSetupCompleted(int userHandle) { 6913 if (!mHasFeature) { 6914 return true; 6915 } 6916 return getUserData(userHandle).mUserSetupComplete; 6917 } 6918 6919 private boolean hasPaired(int userHandle) { 6920 if (!mHasFeature) { 6921 return true; 6922 } 6923 return getUserData(userHandle).mPaired; 6924 } 6925 6926 @Override 6927 public int getUserProvisioningState() { 6928 if (!mHasFeature) { 6929 return DevicePolicyManager.STATE_USER_UNMANAGED; 6930 } 6931 int userHandle = mInjector.userHandleGetCallingUserId(); 6932 return getUserProvisioningState(userHandle); 6933 } 6934 6935 private int getUserProvisioningState(int userHandle) { 6936 return getUserData(userHandle).mUserProvisioningState; 6937 } 6938 6939 @Override 6940 public void setUserProvisioningState(int newState, int userHandle) { 6941 if (!mHasFeature) { 6942 return; 6943 } 6944 6945 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 6946 && getManagedUserId(userHandle) == -1) { 6947 // No managed device, user or profile, so setting provisioning state makes no sense. 6948 throw new IllegalStateException("Not allowed to change provisioning state unless a " 6949 + "device or profile owner is set."); 6950 } 6951 6952 synchronized (this) { 6953 boolean transitionCheckNeeded = true; 6954 6955 // Calling identity/permission checks. 6956 if (isAdb()) { 6957 // ADB shell can only move directly from un-managed to finalized as part of directly 6958 // setting profile-owner or device-owner. 6959 if (getUserProvisioningState(userHandle) != 6960 DevicePolicyManager.STATE_USER_UNMANAGED 6961 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6962 throw new IllegalStateException("Not allowed to change provisioning state " 6963 + "unless current provisioning state is unmanaged, and new state is " 6964 + "finalized."); 6965 } 6966 transitionCheckNeeded = false; 6967 } else { 6968 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 6969 enforceCanManageProfileAndDeviceOwners(); 6970 } 6971 6972 final DevicePolicyData policyData = getUserData(userHandle); 6973 if (transitionCheckNeeded) { 6974 // Optional state transition check for non-ADB case. 6975 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 6976 } 6977 policyData.mUserProvisioningState = newState; 6978 saveSettingsLocked(userHandle); 6979 } 6980 } 6981 6982 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6983 // Valid transitions for normal use-cases. 6984 switch (currentState) { 6985 case DevicePolicyManager.STATE_USER_UNMANAGED: 6986 // Can move to any state from unmanaged (except itself as an edge case).. 6987 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 6988 return; 6989 } 6990 break; 6991 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 6992 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 6993 // Can only move to finalized from these states. 6994 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6995 return; 6996 } 6997 break; 6998 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 6999 // Current user has a managed-profile, but current user is not managed, so 7000 // rather than moving to finalized state, go back to unmanaged once 7001 // profile provisioning is complete. 7002 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 7003 return; 7004 } 7005 break; 7006 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 7007 // Cannot transition out of finalized. 7008 break; 7009 } 7010 7011 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 7012 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 7013 + "from state [" + currentState + "]"); 7014 } 7015 7016 @Override 7017 public void setProfileEnabled(ComponentName who) { 7018 if (!mHasFeature) { 7019 return; 7020 } 7021 Preconditions.checkNotNull(who, "ComponentName is null"); 7022 synchronized (this) { 7023 // Check if this is the profile owner who is calling 7024 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7025 final int userId = UserHandle.getCallingUserId(); 7026 enforceManagedProfile(userId, "enable the profile"); 7027 // Check if the profile is already enabled. 7028 UserInfo managedProfile = getUserInfo(userId); 7029 if (managedProfile.isEnabled()) { 7030 Slog.e(LOG_TAG, 7031 "setProfileEnabled is called when the profile is already enabled"); 7032 return; 7033 } 7034 long id = mInjector.binderClearCallingIdentity(); 7035 try { 7036 mUserManager.setUserEnabled(userId); 7037 UserInfo parent = mUserManager.getProfileParent(userId); 7038 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 7039 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 7040 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 7041 Intent.FLAG_RECEIVER_FOREGROUND); 7042 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 7043 } finally { 7044 mInjector.binderRestoreCallingIdentity(id); 7045 } 7046 } 7047 } 7048 7049 @Override 7050 public void setProfileName(ComponentName who, String profileName) { 7051 Preconditions.checkNotNull(who, "ComponentName is null"); 7052 int userId = UserHandle.getCallingUserId(); 7053 // Check if this is the profile owner (includes device owner). 7054 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7055 7056 long id = mInjector.binderClearCallingIdentity(); 7057 try { 7058 mUserManager.setUserName(userId, profileName); 7059 } finally { 7060 mInjector.binderRestoreCallingIdentity(id); 7061 } 7062 } 7063 7064 @Override 7065 public ComponentName getProfileOwner(int userHandle) { 7066 if (!mHasFeature) { 7067 return null; 7068 } 7069 7070 synchronized (this) { 7071 return mOwners.getProfileOwnerComponent(userHandle); 7072 } 7073 } 7074 7075 // Returns the active profile owner for this user or null if the current user has no 7076 // profile owner. 7077 @VisibleForTesting 7078 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 7079 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 7080 if (profileOwner == null) { 7081 return null; 7082 } 7083 DevicePolicyData policy = getUserData(userHandle); 7084 final int n = policy.mAdminList.size(); 7085 for (int i = 0; i < n; i++) { 7086 ActiveAdmin admin = policy.mAdminList.get(i); 7087 if (profileOwner.equals(admin.info.getComponent())) { 7088 return admin; 7089 } 7090 } 7091 return null; 7092 } 7093 7094 @Override 7095 public String getProfileOwnerName(int userHandle) { 7096 if (!mHasFeature) { 7097 return null; 7098 } 7099 enforceManageUsers(); 7100 ComponentName profileOwner = getProfileOwner(userHandle); 7101 if (profileOwner == null) { 7102 return null; 7103 } 7104 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 7105 } 7106 7107 /** 7108 * Canonical name for a given package. 7109 */ 7110 private String getApplicationLabel(String packageName, int userHandle) { 7111 long token = mInjector.binderClearCallingIdentity(); 7112 try { 7113 final Context userContext; 7114 try { 7115 UserHandle handle = new UserHandle(userHandle); 7116 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 7117 } catch (PackageManager.NameNotFoundException nnfe) { 7118 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 7119 return null; 7120 } 7121 ApplicationInfo appInfo = userContext.getApplicationInfo(); 7122 CharSequence result = null; 7123 if (appInfo != null) { 7124 PackageManager pm = userContext.getPackageManager(); 7125 result = pm.getApplicationLabel(appInfo); 7126 } 7127 return result != null ? result.toString() : null; 7128 } finally { 7129 mInjector.binderRestoreCallingIdentity(token); 7130 } 7131 } 7132 7133 /** 7134 * Calls wtfStack() if called with the DPMS lock held. 7135 */ 7136 private void wtfIfInLock() { 7137 if (Thread.holdsLock(this)) { 7138 Slog.wtfStack(LOG_TAG, "Shouldn't be called with DPMS lock held"); 7139 } 7140 } 7141 7142 /** 7143 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 7144 * permission. 7145 * The profile owner can only be set before the user setup phase has completed, 7146 * except for: 7147 * - SYSTEM_UID 7148 * - adb unless hasIncompatibleAccountsOrNonAdb is true. 7149 */ 7150 private void enforceCanSetProfileOwnerLocked(@Nullable ComponentName owner, int userHandle, 7151 boolean hasIncompatibleAccountsOrNonAdb) { 7152 UserInfo info = getUserInfo(userHandle); 7153 if (info == null) { 7154 // User doesn't exist. 7155 throw new IllegalArgumentException( 7156 "Attempted to set profile owner for invalid userId: " + userHandle); 7157 } 7158 if (info.isGuest()) { 7159 throw new IllegalStateException("Cannot set a profile owner on a guest"); 7160 } 7161 if (mOwners.hasProfileOwner(userHandle)) { 7162 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 7163 + "is already set."); 7164 } 7165 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 7166 throw new IllegalStateException("Trying to set the profile owner, but the user " 7167 + "already has a device owner."); 7168 } 7169 if (isAdb()) { 7170 if ((mIsWatch || hasUserSetupCompleted(userHandle)) 7171 && hasIncompatibleAccountsOrNonAdb) { 7172 throw new IllegalStateException("Not allowed to set the profile owner because " 7173 + "there are already some accounts on the profile"); 7174 } 7175 return; 7176 } 7177 enforceCanManageProfileAndDeviceOwners(); 7178 if ((mIsWatch || hasUserSetupCompleted(userHandle)) && !isCallerWithSystemUid()) { 7179 throw new IllegalStateException("Cannot set the profile owner on a user which is " 7180 + "already set-up"); 7181 } 7182 } 7183 7184 /** 7185 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 7186 * permission. 7187 */ 7188 private void enforceCanSetDeviceOwnerLocked(@Nullable ComponentName owner, int userId, 7189 boolean hasIncompatibleAccountsOrNonAdb) { 7190 if (!isAdb()) { 7191 enforceCanManageProfileAndDeviceOwners(); 7192 } 7193 7194 final int code = checkDeviceOwnerProvisioningPreConditionLocked( 7195 owner, userId, isAdb(), hasIncompatibleAccountsOrNonAdb); 7196 switch (code) { 7197 case CODE_OK: 7198 return; 7199 case CODE_HAS_DEVICE_OWNER: 7200 throw new IllegalStateException( 7201 "Trying to set the device owner, but device owner is already set."); 7202 case CODE_USER_HAS_PROFILE_OWNER: 7203 throw new IllegalStateException("Trying to set the device owner, but the user " 7204 + "already has a profile owner."); 7205 case CODE_USER_NOT_RUNNING: 7206 throw new IllegalStateException("User not running: " + userId); 7207 case CODE_NOT_SYSTEM_USER: 7208 throw new IllegalStateException("User is not system user"); 7209 case CODE_USER_SETUP_COMPLETED: 7210 throw new IllegalStateException( 7211 "Cannot set the device owner if the device is already set-up"); 7212 case CODE_NONSYSTEM_USER_EXISTS: 7213 throw new IllegalStateException("Not allowed to set the device owner because there " 7214 + "are already several users on the device"); 7215 case CODE_ACCOUNTS_NOT_EMPTY: 7216 throw new IllegalStateException("Not allowed to set the device owner because there " 7217 + "are already some accounts on the device"); 7218 case CODE_HAS_PAIRED: 7219 throw new IllegalStateException("Not allowed to set the device owner because this " 7220 + "device has already paired"); 7221 default: 7222 throw new IllegalStateException("Unexpected @ProvisioningPreCondition " + code); 7223 } 7224 } 7225 7226 private void enforceUserUnlocked(int userId) { 7227 // Since we're doing this operation on behalf of an app, we only 7228 // want to use the actual "unlocked" state. 7229 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 7230 "User must be running and unlocked"); 7231 } 7232 7233 private void enforceUserUnlocked(@UserIdInt int userId, boolean parent) { 7234 if (parent) { 7235 enforceUserUnlocked(getProfileParentId(userId)); 7236 } else { 7237 enforceUserUnlocked(userId); 7238 } 7239 } 7240 7241 private void enforceManageUsers() { 7242 final int callingUid = mInjector.binderGetCallingUid(); 7243 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 7244 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7245 } 7246 } 7247 7248 private void enforceFullCrossUsersPermission(int userHandle) { 7249 enforceSystemUserOrPermissionIfCrossUser(userHandle, 7250 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 7251 } 7252 7253 private void enforceCrossUsersPermission(int userHandle) { 7254 enforceSystemUserOrPermissionIfCrossUser(userHandle, 7255 android.Manifest.permission.INTERACT_ACROSS_USERS); 7256 } 7257 7258 private void enforceSystemUserOrPermission(String permission) { 7259 if (!(isCallerWithSystemUid() || mInjector.binderGetCallingUid() == Process.ROOT_UID)) { 7260 mContext.enforceCallingOrSelfPermission(permission, 7261 "Must be system or have " + permission + " permission"); 7262 } 7263 } 7264 7265 private void enforceSystemUserOrPermissionIfCrossUser(int userHandle, String permission) { 7266 if (userHandle < 0) { 7267 throw new IllegalArgumentException("Invalid userId " + userHandle); 7268 } 7269 if (userHandle == mInjector.userHandleGetCallingUserId()) { 7270 return; 7271 } 7272 enforceSystemUserOrPermission(permission); 7273 } 7274 7275 private void enforceManagedProfile(int userHandle, String message) { 7276 if(!isManagedProfile(userHandle)) { 7277 throw new SecurityException("You can not " + message + " outside a managed profile."); 7278 } 7279 } 7280 7281 private void enforceNotManagedProfile(int userHandle, String message) { 7282 if(isManagedProfile(userHandle)) { 7283 throw new SecurityException("You can not " + message + " for a managed profile."); 7284 } 7285 } 7286 7287 private void enforceDeviceOwnerOrManageUsers() { 7288 synchronized (this) { 7289 if (getActiveAdminWithPolicyForUidLocked(null, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 7290 mInjector.binderGetCallingUid()) != null) { 7291 return; 7292 } 7293 } 7294 enforceManageUsers(); 7295 } 7296 7297 private void enforceProfileOwnerOrSystemUser() { 7298 synchronized (this) { 7299 if (getActiveAdminWithPolicyForUidLocked(null, 7300 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()) 7301 != null) { 7302 return; 7303 } 7304 } 7305 Preconditions.checkState(isCallerWithSystemUid(), 7306 "Only profile owner, device owner and system may call this method."); 7307 } 7308 7309 private void enforceProfileOwnerOrFullCrossUsersPermission(int userId) { 7310 if (userId == mInjector.userHandleGetCallingUserId()) { 7311 synchronized (this) { 7312 if (getActiveAdminWithPolicyForUidLocked(null, 7313 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()) 7314 != null) { 7315 // Device Owner/Profile Owner may access the user it runs on. 7316 return; 7317 } 7318 } 7319 } 7320 // Otherwise, INTERACT_ACROSS_USERS_FULL permission, system UID or root UID is required. 7321 enforceSystemUserOrPermission(android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 7322 } 7323 7324 private void ensureCallerPackage(@Nullable String packageName) { 7325 if (packageName == null) { 7326 Preconditions.checkState(isCallerWithSystemUid(), 7327 "Only caller can omit package name"); 7328 } else { 7329 final int callingUid = mInjector.binderGetCallingUid(); 7330 final int userId = mInjector.userHandleGetCallingUserId(); 7331 try { 7332 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 7333 packageName, 0, userId); 7334 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 7335 } catch (RemoteException e) { 7336 // Shouldn't happen 7337 } 7338 } 7339 } 7340 7341 private boolean isCallerWithSystemUid() { 7342 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 7343 } 7344 7345 protected int getProfileParentId(int userHandle) { 7346 final long ident = mInjector.binderClearCallingIdentity(); 7347 try { 7348 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 7349 return parentUser != null ? parentUser.id : userHandle; 7350 } finally { 7351 mInjector.binderRestoreCallingIdentity(ident); 7352 } 7353 } 7354 7355 private int getCredentialOwner(int userHandle, boolean parent) { 7356 final long ident = mInjector.binderClearCallingIdentity(); 7357 try { 7358 if (parent) { 7359 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 7360 if (parentProfile != null) { 7361 userHandle = parentProfile.id; 7362 } 7363 } 7364 return mUserManager.getCredentialOwnerProfile(userHandle); 7365 } finally { 7366 mInjector.binderRestoreCallingIdentity(ident); 7367 } 7368 } 7369 7370 private boolean isManagedProfile(int userHandle) { 7371 final UserInfo user = getUserInfo(userHandle); 7372 return user != null && user.isManagedProfile(); 7373 } 7374 7375 private void enableIfNecessary(String packageName, int userId) { 7376 try { 7377 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 7378 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 7379 userId); 7380 if (ai.enabledSetting 7381 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 7382 mIPackageManager.setApplicationEnabledSetting(packageName, 7383 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 7384 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 7385 } 7386 } catch (RemoteException e) { 7387 } 7388 } 7389 7390 @Override 7391 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 7392 if (!DumpUtils.checkDumpPermission(mContext, LOG_TAG, pw)) return; 7393 7394 synchronized (this) { 7395 pw.println("Current Device Policy Manager state:"); 7396 7397 mOwners.dump(" ", pw); 7398 mDeviceAdminServiceController.dump(" ", pw); 7399 int userCount = mUserData.size(); 7400 for (int u = 0; u < userCount; u++) { 7401 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 7402 pw.println(); 7403 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 7404 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 7405 final int N = policy.mAdminList.size(); 7406 for (int i=0; i<N; i++) { 7407 ActiveAdmin ap = policy.mAdminList.get(i); 7408 if (ap != null) { 7409 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 7410 pw.println(":"); 7411 ap.dump(" ", pw); 7412 } 7413 } 7414 if (!policy.mRemovingAdmins.isEmpty()) { 7415 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 7416 + policy.mRemovingAdmins); 7417 } 7418 7419 pw.println(" "); 7420 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 7421 } 7422 pw.println(); 7423 mConstants.dump(" ", pw); 7424 pw.println(); 7425 pw.println(" Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 7426 } 7427 } 7428 7429 private String getEncryptionStatusName(int encryptionStatus) { 7430 switch (encryptionStatus) { 7431 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 7432 return "inactive"; 7433 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 7434 return "block default key"; 7435 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 7436 return "block"; 7437 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 7438 return "per-user"; 7439 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 7440 return "unsupported"; 7441 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 7442 return "activating"; 7443 default: 7444 return "unknown"; 7445 } 7446 } 7447 7448 @Override 7449 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 7450 ComponentName activity) { 7451 Preconditions.checkNotNull(who, "ComponentName is null"); 7452 final int userHandle = UserHandle.getCallingUserId(); 7453 synchronized (this) { 7454 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7455 7456 long id = mInjector.binderClearCallingIdentity(); 7457 try { 7458 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 7459 mIPackageManager.flushPackageRestrictionsAsUser(userHandle); 7460 } catch (RemoteException re) { 7461 // Shouldn't happen 7462 } finally { 7463 mInjector.binderRestoreCallingIdentity(id); 7464 } 7465 } 7466 } 7467 7468 @Override 7469 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 7470 Preconditions.checkNotNull(who, "ComponentName is null"); 7471 final int userHandle = UserHandle.getCallingUserId(); 7472 synchronized (this) { 7473 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7474 7475 long id = mInjector.binderClearCallingIdentity(); 7476 try { 7477 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 7478 mIPackageManager.flushPackageRestrictionsAsUser(userHandle); 7479 } catch (RemoteException re) { 7480 // Shouldn't happen 7481 } finally { 7482 mInjector.binderRestoreCallingIdentity(id); 7483 } 7484 } 7485 } 7486 7487 @Override 7488 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 7489 String packageName) { 7490 try { 7491 setDelegatedScopePreO(admin, packageName, DELEGATION_APP_RESTRICTIONS); 7492 } catch (IllegalArgumentException e) { 7493 return false; 7494 } 7495 return true; 7496 } 7497 7498 @Override 7499 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 7500 final List<String> delegatePackages = getDelegatePackages(admin, 7501 DELEGATION_APP_RESTRICTIONS); 7502 return delegatePackages.size() > 0 ? delegatePackages.get(0) : null; 7503 } 7504 7505 @Override 7506 public boolean isCallerApplicationRestrictionsManagingPackage(String callerPackage) { 7507 return isCallerDelegate(callerPackage, DELEGATION_APP_RESTRICTIONS); 7508 } 7509 7510 @Override 7511 public void setApplicationRestrictions(ComponentName who, String callerPackage, 7512 String packageName, Bundle settings) { 7513 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 7514 DELEGATION_APP_RESTRICTIONS); 7515 7516 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7517 final long id = mInjector.binderClearCallingIdentity(); 7518 try { 7519 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 7520 } finally { 7521 mInjector.binderRestoreCallingIdentity(id); 7522 } 7523 } 7524 7525 @Override 7526 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 7527 PersistableBundle args, boolean parent) { 7528 if (!mHasFeature) { 7529 return; 7530 } 7531 Preconditions.checkNotNull(admin, "admin is null"); 7532 Preconditions.checkNotNull(agent, "agent is null"); 7533 final int userHandle = UserHandle.getCallingUserId(); 7534 synchronized (this) { 7535 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 7536 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 7537 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 7538 saveSettingsLocked(userHandle); 7539 } 7540 } 7541 7542 @Override 7543 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 7544 ComponentName agent, int userHandle, boolean parent) { 7545 if (!mHasFeature) { 7546 return null; 7547 } 7548 Preconditions.checkNotNull(agent, "agent null"); 7549 enforceFullCrossUsersPermission(userHandle); 7550 7551 synchronized (this) { 7552 final String componentName = agent.flattenToString(); 7553 if (admin != null) { 7554 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 7555 if (ap == null) return null; 7556 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 7557 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 7558 List<PersistableBundle> result = new ArrayList<>(); 7559 result.add(trustAgentInfo.options); 7560 return result; 7561 } 7562 7563 // Return strictest policy for this user and profiles that are visible from this user. 7564 List<PersistableBundle> result = null; 7565 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 7566 // of the options. If any admin doesn't have options, discard options for the rest 7567 // and return null. 7568 List<ActiveAdmin> admins = 7569 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 7570 boolean allAdminsHaveOptions = true; 7571 final int N = admins.size(); 7572 for (int i = 0; i < N; i++) { 7573 final ActiveAdmin active = admins.get(i); 7574 7575 final boolean disablesTrust = (active.disabledKeyguardFeatures 7576 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 7577 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 7578 if (info != null && info.options != null && !info.options.isEmpty()) { 7579 if (disablesTrust) { 7580 if (result == null) { 7581 result = new ArrayList<>(); 7582 } 7583 result.add(info.options); 7584 } else { 7585 Log.w(LOG_TAG, "Ignoring admin " + active.info 7586 + " because it has trust options but doesn't declare " 7587 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 7588 } 7589 } else if (disablesTrust) { 7590 allAdminsHaveOptions = false; 7591 break; 7592 } 7593 } 7594 return allAdminsHaveOptions ? result : null; 7595 } 7596 } 7597 7598 @Override 7599 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 7600 Preconditions.checkNotNull(who, "ComponentName is null"); 7601 synchronized (this) { 7602 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7603 7604 int userHandle = UserHandle.getCallingUserId(); 7605 DevicePolicyData userData = getUserData(userHandle); 7606 userData.mRestrictionsProvider = permissionProvider; 7607 saveSettingsLocked(userHandle); 7608 } 7609 } 7610 7611 @Override 7612 public ComponentName getRestrictionsProvider(int userHandle) { 7613 synchronized (this) { 7614 if (!isCallerWithSystemUid()) { 7615 throw new SecurityException("Only the system can query the permission provider"); 7616 } 7617 DevicePolicyData userData = getUserData(userHandle); 7618 return userData != null ? userData.mRestrictionsProvider : null; 7619 } 7620 } 7621 7622 @Override 7623 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 7624 Preconditions.checkNotNull(who, "ComponentName is null"); 7625 int callingUserId = UserHandle.getCallingUserId(); 7626 synchronized (this) { 7627 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7628 7629 long id = mInjector.binderClearCallingIdentity(); 7630 try { 7631 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7632 if (parent == null) { 7633 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 7634 + "parent"); 7635 return; 7636 } 7637 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 7638 mIPackageManager.addCrossProfileIntentFilter( 7639 filter, who.getPackageName(), callingUserId, parent.id, 0); 7640 } 7641 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 7642 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 7643 parent.id, callingUserId, 0); 7644 } 7645 } catch (RemoteException re) { 7646 // Shouldn't happen 7647 } finally { 7648 mInjector.binderRestoreCallingIdentity(id); 7649 } 7650 } 7651 } 7652 7653 @Override 7654 public void clearCrossProfileIntentFilters(ComponentName who) { 7655 Preconditions.checkNotNull(who, "ComponentName is null"); 7656 int callingUserId = UserHandle.getCallingUserId(); 7657 synchronized (this) { 7658 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7659 long id = mInjector.binderClearCallingIdentity(); 7660 try { 7661 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7662 if (parent == null) { 7663 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 7664 + "parent"); 7665 return; 7666 } 7667 // Removing those that go from the managed profile to the parent. 7668 mIPackageManager.clearCrossProfileIntentFilters( 7669 callingUserId, who.getPackageName()); 7670 // And those that go from the parent to the managed profile. 7671 // If we want to support multiple managed profiles, we will have to only remove 7672 // those that have callingUserId as their target. 7673 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 7674 } catch (RemoteException re) { 7675 // Shouldn't happen 7676 } finally { 7677 mInjector.binderRestoreCallingIdentity(id); 7678 } 7679 } 7680 } 7681 7682 /** 7683 * @return true if all packages in enabledPackages are either in the list 7684 * permittedList or are a system app. 7685 */ 7686 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 7687 List<String> permittedList, int userIdToCheck) { 7688 long id = mInjector.binderClearCallingIdentity(); 7689 try { 7690 // If we have an enabled packages list for a managed profile the packages 7691 // we should check are installed for the parent user. 7692 UserInfo user = getUserInfo(userIdToCheck); 7693 if (user.isManagedProfile()) { 7694 userIdToCheck = user.profileGroupId; 7695 } 7696 7697 for (String enabledPackage : enabledPackages) { 7698 boolean systemService = false; 7699 try { 7700 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 7701 enabledPackage, PackageManager.MATCH_UNINSTALLED_PACKAGES, 7702 userIdToCheck); 7703 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7704 } catch (RemoteException e) { 7705 Log.i(LOG_TAG, "Can't talk to package managed", e); 7706 } 7707 if (!systemService && !permittedList.contains(enabledPackage)) { 7708 return false; 7709 } 7710 } 7711 } finally { 7712 mInjector.binderRestoreCallingIdentity(id); 7713 } 7714 return true; 7715 } 7716 7717 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 7718 // Not using AccessibilityManager.getInstance because that guesses 7719 // at the user you require based on callingUid and caches for a given 7720 // process. 7721 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 7722 IAccessibilityManager service = iBinder == null 7723 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 7724 return new AccessibilityManager(mContext, service, userId); 7725 } 7726 7727 @Override 7728 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 7729 if (!mHasFeature) { 7730 return false; 7731 } 7732 Preconditions.checkNotNull(who, "ComponentName is null"); 7733 7734 if (packageList != null) { 7735 int userId = UserHandle.getCallingUserId(); 7736 List<AccessibilityServiceInfo> enabledServices = null; 7737 long id = mInjector.binderClearCallingIdentity(); 7738 try { 7739 UserInfo user = getUserInfo(userId); 7740 if (user.isManagedProfile()) { 7741 userId = user.profileGroupId; 7742 } 7743 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 7744 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 7745 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 7746 } finally { 7747 mInjector.binderRestoreCallingIdentity(id); 7748 } 7749 7750 if (enabledServices != null) { 7751 List<String> enabledPackages = new ArrayList<String>(); 7752 for (AccessibilityServiceInfo service : enabledServices) { 7753 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 7754 } 7755 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7756 userId)) { 7757 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 7758 + "because it contains already enabled accesibility services."); 7759 return false; 7760 } 7761 } 7762 } 7763 7764 synchronized (this) { 7765 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7766 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7767 admin.permittedAccessiblityServices = packageList; 7768 saveSettingsLocked(UserHandle.getCallingUserId()); 7769 } 7770 return true; 7771 } 7772 7773 @Override 7774 public List getPermittedAccessibilityServices(ComponentName who) { 7775 if (!mHasFeature) { 7776 return null; 7777 } 7778 Preconditions.checkNotNull(who, "ComponentName is null"); 7779 7780 synchronized (this) { 7781 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7782 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7783 return admin.permittedAccessiblityServices; 7784 } 7785 } 7786 7787 @Override 7788 public List getPermittedAccessibilityServicesForUser(int userId) { 7789 if (!mHasFeature) { 7790 return null; 7791 } 7792 synchronized (this) { 7793 List<String> result = null; 7794 // If we have multiple profiles we return the intersection of the 7795 // permitted lists. This can happen in cases where we have a device 7796 // and profile owner. 7797 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7798 for (int profileId : profileIds) { 7799 // Just loop though all admins, only device or profiles 7800 // owners can have permitted lists set. 7801 DevicePolicyData policy = getUserDataUnchecked(profileId); 7802 final int N = policy.mAdminList.size(); 7803 for (int j = 0; j < N; j++) { 7804 ActiveAdmin admin = policy.mAdminList.get(j); 7805 List<String> fromAdmin = admin.permittedAccessiblityServices; 7806 if (fromAdmin != null) { 7807 if (result == null) { 7808 result = new ArrayList<>(fromAdmin); 7809 } else { 7810 result.retainAll(fromAdmin); 7811 } 7812 } 7813 } 7814 } 7815 7816 // If we have a permitted list add all system accessibility services. 7817 if (result != null) { 7818 long id = mInjector.binderClearCallingIdentity(); 7819 try { 7820 UserInfo user = getUserInfo(userId); 7821 if (user.isManagedProfile()) { 7822 userId = user.profileGroupId; 7823 } 7824 AccessibilityManager accessibilityManager = 7825 getAccessibilityManagerForUser(userId); 7826 List<AccessibilityServiceInfo> installedServices = 7827 accessibilityManager.getInstalledAccessibilityServiceList(); 7828 7829 if (installedServices != null) { 7830 for (AccessibilityServiceInfo service : installedServices) { 7831 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 7832 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7833 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7834 result.add(serviceInfo.packageName); 7835 } 7836 } 7837 } 7838 } finally { 7839 mInjector.binderRestoreCallingIdentity(id); 7840 } 7841 } 7842 7843 return result; 7844 } 7845 } 7846 7847 @Override 7848 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 7849 int userHandle) { 7850 if (!mHasFeature) { 7851 return true; 7852 } 7853 Preconditions.checkNotNull(who, "ComponentName is null"); 7854 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7855 if (!isCallerWithSystemUid()){ 7856 throw new SecurityException( 7857 "Only the system can query if an accessibility service is disabled by admin"); 7858 } 7859 synchronized (this) { 7860 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7861 if (admin == null) { 7862 return false; 7863 } 7864 if (admin.permittedAccessiblityServices == null) { 7865 return true; 7866 } 7867 return checkPackagesInPermittedListOrSystem(Collections.singletonList(packageName), 7868 admin.permittedAccessiblityServices, userHandle); 7869 } 7870 } 7871 7872 private boolean checkCallerIsCurrentUserOrProfile() { 7873 final int callingUserId = UserHandle.getCallingUserId(); 7874 final long token = mInjector.binderClearCallingIdentity(); 7875 try { 7876 UserInfo currentUser; 7877 UserInfo callingUser = getUserInfo(callingUserId); 7878 try { 7879 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7880 } catch (RemoteException e) { 7881 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 7882 return false; 7883 } 7884 7885 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 7886 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 7887 + "of a user that isn't the foreground user."); 7888 return false; 7889 } 7890 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 7891 Slog.e(LOG_TAG, "Cannot set permitted input methods " 7892 + "of a user that isn't the foreground user."); 7893 return false; 7894 } 7895 } finally { 7896 mInjector.binderRestoreCallingIdentity(token); 7897 } 7898 return true; 7899 } 7900 7901 @Override 7902 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 7903 if (!mHasFeature) { 7904 return false; 7905 } 7906 Preconditions.checkNotNull(who, "ComponentName is null"); 7907 7908 // TODO When InputMethodManager supports per user calls remove 7909 // this restriction. 7910 if (!checkCallerIsCurrentUserOrProfile()) { 7911 return false; 7912 } 7913 7914 final int callingUserId = mInjector.userHandleGetCallingUserId(); 7915 if (packageList != null) { 7916 // InputMethodManager fetches input methods for current user. 7917 // So this can only be set when calling user is the current user 7918 // or parent is current user in case of managed profiles. 7919 InputMethodManager inputMethodManager = 7920 mContext.getSystemService(InputMethodManager.class); 7921 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 7922 7923 if (enabledImes != null) { 7924 List<String> enabledPackages = new ArrayList<String>(); 7925 for (InputMethodInfo ime : enabledImes) { 7926 enabledPackages.add(ime.getPackageName()); 7927 } 7928 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7929 callingUserId)) { 7930 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 7931 + "because it contains already enabled input method."); 7932 return false; 7933 } 7934 } 7935 } 7936 7937 synchronized (this) { 7938 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7939 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7940 admin.permittedInputMethods = packageList; 7941 saveSettingsLocked(callingUserId); 7942 } 7943 return true; 7944 } 7945 7946 @Override 7947 public List getPermittedInputMethods(ComponentName who) { 7948 if (!mHasFeature) { 7949 return null; 7950 } 7951 Preconditions.checkNotNull(who, "ComponentName is null"); 7952 7953 synchronized (this) { 7954 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7955 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7956 return admin.permittedInputMethods; 7957 } 7958 } 7959 7960 @Override 7961 public List getPermittedInputMethodsForCurrentUser() { 7962 UserInfo currentUser; 7963 try { 7964 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7965 } catch (RemoteException e) { 7966 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 7967 // Activity managed is dead, just allow all IMEs 7968 return null; 7969 } 7970 7971 int userId = currentUser.id; 7972 synchronized (this) { 7973 List<String> result = null; 7974 // If we have multiple profiles we return the intersection of the 7975 // permitted lists. This can happen in cases where we have a device 7976 // and profile owner. 7977 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7978 for (int profileId : profileIds) { 7979 // Just loop though all admins, only device or profiles 7980 // owners can have permitted lists set. 7981 DevicePolicyData policy = getUserDataUnchecked(profileId); 7982 final int N = policy.mAdminList.size(); 7983 for (int j = 0; j < N; j++) { 7984 ActiveAdmin admin = policy.mAdminList.get(j); 7985 List<String> fromAdmin = admin.permittedInputMethods; 7986 if (fromAdmin != null) { 7987 if (result == null) { 7988 result = new ArrayList<String>(fromAdmin); 7989 } else { 7990 result.retainAll(fromAdmin); 7991 } 7992 } 7993 } 7994 } 7995 7996 // If we have a permitted list add all system input methods. 7997 if (result != null) { 7998 InputMethodManager inputMethodManager = 7999 mContext.getSystemService(InputMethodManager.class); 8000 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 8001 long id = mInjector.binderClearCallingIdentity(); 8002 try { 8003 if (imes != null) { 8004 for (InputMethodInfo ime : imes) { 8005 ServiceInfo serviceInfo = ime.getServiceInfo(); 8006 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 8007 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8008 result.add(serviceInfo.packageName); 8009 } 8010 } 8011 } 8012 } finally { 8013 mInjector.binderRestoreCallingIdentity(id); 8014 } 8015 } 8016 return result; 8017 } 8018 } 8019 8020 @Override 8021 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 8022 int userHandle) { 8023 if (!mHasFeature) { 8024 return true; 8025 } 8026 Preconditions.checkNotNull(who, "ComponentName is null"); 8027 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 8028 if (!isCallerWithSystemUid()) { 8029 throw new SecurityException( 8030 "Only the system can query if an input method is disabled by admin"); 8031 } 8032 synchronized (this) { 8033 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 8034 if (admin == null) { 8035 return false; 8036 } 8037 if (admin.permittedInputMethods == null) { 8038 return true; 8039 } 8040 return checkPackagesInPermittedListOrSystem(Collections.singletonList(packageName), 8041 admin.permittedInputMethods, userHandle); 8042 } 8043 } 8044 8045 @Override 8046 public boolean setPermittedCrossProfileNotificationListeners( 8047 ComponentName who, List<String> packageList) { 8048 if (!mHasFeature) { 8049 return false; 8050 } 8051 Preconditions.checkNotNull(who, "ComponentName is null"); 8052 8053 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8054 if (!isManagedProfile(callingUserId)) { 8055 return false; 8056 } 8057 8058 synchronized (this) { 8059 ActiveAdmin admin = getActiveAdminForCallerLocked( 8060 who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8061 admin.permittedNotificationListeners = packageList; 8062 saveSettingsLocked(callingUserId); 8063 } 8064 return true; 8065 } 8066 8067 @Override 8068 public List<String> getPermittedCrossProfileNotificationListeners(ComponentName who) { 8069 if (!mHasFeature) { 8070 return null; 8071 } 8072 Preconditions.checkNotNull(who, "ComponentName is null"); 8073 8074 synchronized (this) { 8075 ActiveAdmin admin = getActiveAdminForCallerLocked( 8076 who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8077 return admin.permittedNotificationListeners; 8078 } 8079 } 8080 8081 @Override 8082 public boolean isNotificationListenerServicePermitted(String packageName, int userId) { 8083 if (!mHasFeature) { 8084 return true; 8085 } 8086 8087 Preconditions.checkStringNotEmpty(packageName, "packageName is null or empty"); 8088 if (!isCallerWithSystemUid()) { 8089 throw new SecurityException( 8090 "Only the system can query if a notification listener service is permitted"); 8091 } 8092 synchronized (this) { 8093 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 8094 if (profileOwner == null || profileOwner.permittedNotificationListeners == null) { 8095 return true; 8096 } 8097 return checkPackagesInPermittedListOrSystem(Collections.singletonList(packageName), 8098 profileOwner.permittedNotificationListeners, userId); 8099 8100 } 8101 } 8102 8103 8104 private void sendAdminEnabledBroadcastLocked(int userHandle) { 8105 DevicePolicyData policyData = getUserData(userHandle); 8106 if (policyData.mAdminBroadcastPending) { 8107 // Send the initialization data to profile owner and delete the data 8108 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 8109 if (admin != null) { 8110 PersistableBundle initBundle = policyData.mInitBundle; 8111 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 8112 initBundle == null ? null : new Bundle(initBundle), null); 8113 } 8114 policyData.mInitBundle = null; 8115 policyData.mAdminBroadcastPending = false; 8116 saveSettingsLocked(userHandle); 8117 } 8118 } 8119 8120 @Override 8121 public UserHandle createAndManageUser(ComponentName admin, String name, 8122 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 8123 Preconditions.checkNotNull(admin, "admin is null"); 8124 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 8125 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 8126 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 8127 + admin + " are not in the same package"); 8128 } 8129 // Only allow the system user to use this method 8130 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 8131 throw new SecurityException("createAndManageUser was called from non-system user"); 8132 } 8133 if (!mInjector.userManagerIsSplitSystemUser() 8134 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 8135 throw new IllegalArgumentException( 8136 "Ephemeral users are only supported on systems with a split system user."); 8137 } 8138 // Create user. 8139 UserHandle user = null; 8140 synchronized (this) { 8141 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8142 8143 final long id = mInjector.binderClearCallingIdentity(); 8144 try { 8145 int userInfoFlags = 0; 8146 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 8147 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 8148 } 8149 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 8150 userInfoFlags); 8151 if (userInfo != null) { 8152 user = userInfo.getUserHandle(); 8153 } 8154 } finally { 8155 mInjector.binderRestoreCallingIdentity(id); 8156 } 8157 } 8158 if (user == null) { 8159 return null; 8160 } 8161 // Set admin. 8162 final long id = mInjector.binderClearCallingIdentity(); 8163 try { 8164 final String adminPkg = admin.getPackageName(); 8165 8166 final int userHandle = user.getIdentifier(); 8167 try { 8168 // Install the profile owner if not present. 8169 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 8170 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle, 8171 0 /*installFlags*/, PackageManager.INSTALL_REASON_POLICY); 8172 } 8173 } catch (RemoteException e) { 8174 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 8175 + "removing created user", e); 8176 mUserManager.removeUser(user.getIdentifier()); 8177 return null; 8178 } 8179 8180 setActiveAdmin(profileOwner, true, userHandle); 8181 // User is not started yet, the broadcast by setActiveAdmin will not be received. 8182 // So we store adminExtras for broadcasting when the user starts for first time. 8183 synchronized(this) { 8184 DevicePolicyData policyData = getUserData(userHandle); 8185 policyData.mInitBundle = adminExtras; 8186 policyData.mAdminBroadcastPending = true; 8187 saveSettingsLocked(userHandle); 8188 } 8189 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 8190 setProfileOwner(profileOwner, ownerName, userHandle); 8191 8192 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 8193 Settings.Secure.putIntForUser(mContext.getContentResolver(), 8194 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 8195 } 8196 8197 return user; 8198 } finally { 8199 mInjector.binderRestoreCallingIdentity(id); 8200 } 8201 } 8202 8203 @Override 8204 public boolean removeUser(ComponentName who, UserHandle userHandle) { 8205 Preconditions.checkNotNull(who, "ComponentName is null"); 8206 synchronized (this) { 8207 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8208 } 8209 8210 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8211 final long id = mInjector.binderClearCallingIdentity(); 8212 try { 8213 String restriction = isManagedProfile(userHandle.getIdentifier()) 8214 ? UserManager.DISALLOW_REMOVE_MANAGED_PROFILE 8215 : UserManager.DISALLOW_REMOVE_USER; 8216 if (isAdminAffectedByRestriction(who, restriction, callingUserId)) { 8217 Log.w(LOG_TAG, "The device owner cannot remove a user because " 8218 + restriction + " is enabled, and was not set by the device owner"); 8219 return false; 8220 } 8221 return mUserManagerInternal.removeUserEvenWhenDisallowed(userHandle.getIdentifier()); 8222 } finally { 8223 mInjector.binderRestoreCallingIdentity(id); 8224 } 8225 } 8226 8227 private boolean isAdminAffectedByRestriction( 8228 ComponentName admin, String userRestriction, int userId) { 8229 switch(mUserManager.getUserRestrictionSource(userRestriction, UserHandle.of(userId))) { 8230 case UserManager.RESTRICTION_NOT_SET: 8231 return false; 8232 case UserManager.RESTRICTION_SOURCE_DEVICE_OWNER: 8233 return !isDeviceOwner(admin, userId); 8234 case UserManager.RESTRICTION_SOURCE_PROFILE_OWNER: 8235 return !isProfileOwner(admin, userId); 8236 default: 8237 return true; 8238 } 8239 } 8240 8241 @Override 8242 public boolean switchUser(ComponentName who, UserHandle userHandle) { 8243 Preconditions.checkNotNull(who, "ComponentName is null"); 8244 synchronized (this) { 8245 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8246 8247 long id = mInjector.binderClearCallingIdentity(); 8248 try { 8249 int userId = UserHandle.USER_SYSTEM; 8250 if (userHandle != null) { 8251 userId = userHandle.getIdentifier(); 8252 } 8253 return mInjector.getIActivityManager().switchUser(userId); 8254 } catch (RemoteException e) { 8255 Log.e(LOG_TAG, "Couldn't switch user", e); 8256 return false; 8257 } finally { 8258 mInjector.binderRestoreCallingIdentity(id); 8259 } 8260 } 8261 } 8262 8263 @Override 8264 public Bundle getApplicationRestrictions(ComponentName who, String callerPackage, 8265 String packageName) { 8266 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8267 DELEGATION_APP_RESTRICTIONS); 8268 8269 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 8270 final long id = mInjector.binderClearCallingIdentity(); 8271 try { 8272 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 8273 // if no restrictions were saved, mUserManager.getApplicationRestrictions 8274 // returns null, but DPM method should return an empty Bundle as per JavaDoc 8275 return bundle != null ? bundle : Bundle.EMPTY; 8276 } finally { 8277 mInjector.binderRestoreCallingIdentity(id); 8278 } 8279 } 8280 8281 @Override 8282 public String[] setPackagesSuspended(ComponentName who, String callerPackage, 8283 String[] packageNames, boolean suspended) { 8284 int callingUserId = UserHandle.getCallingUserId(); 8285 synchronized (this) { 8286 // Ensure the caller is a DO/PO or a package access delegate. 8287 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8288 DELEGATION_PACKAGE_ACCESS); 8289 8290 long id = mInjector.binderClearCallingIdentity(); 8291 try { 8292 return mIPackageManager.setPackagesSuspendedAsUser( 8293 packageNames, suspended, callingUserId); 8294 } catch (RemoteException re) { 8295 // Shouldn't happen. 8296 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 8297 } finally { 8298 mInjector.binderRestoreCallingIdentity(id); 8299 } 8300 return packageNames; 8301 } 8302 } 8303 8304 @Override 8305 public boolean isPackageSuspended(ComponentName who, String callerPackage, String packageName) { 8306 int callingUserId = UserHandle.getCallingUserId(); 8307 synchronized (this) { 8308 // Ensure the caller is a DO/PO or a package access delegate. 8309 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8310 DELEGATION_PACKAGE_ACCESS); 8311 8312 long id = mInjector.binderClearCallingIdentity(); 8313 try { 8314 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 8315 } catch (RemoteException re) { 8316 // Shouldn't happen. 8317 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 8318 } finally { 8319 mInjector.binderRestoreCallingIdentity(id); 8320 } 8321 return false; 8322 } 8323 } 8324 8325 @Override 8326 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 8327 Preconditions.checkNotNull(who, "ComponentName is null"); 8328 if (!UserRestrictionsUtils.isValidRestriction(key)) { 8329 return; 8330 } 8331 8332 final int userHandle = mInjector.userHandleGetCallingUserId(); 8333 synchronized (this) { 8334 final ActiveAdmin activeAdmin = 8335 getActiveAdminForCallerLocked(who, 8336 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8337 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 8338 if (isDeviceOwner) { 8339 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 8340 throw new SecurityException("Device owner cannot set user restriction " + key); 8341 } 8342 } else { // profile owner 8343 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 8344 throw new SecurityException("Profile owner cannot set user restriction " + key); 8345 } 8346 } 8347 8348 // Save the restriction to ActiveAdmin. 8349 final Bundle restrictions = activeAdmin.ensureUserRestrictions(); 8350 if (enabledFromThisOwner) { 8351 restrictions.putBoolean(key, true); 8352 } else { 8353 restrictions.remove(key); 8354 } 8355 saveUserRestrictionsLocked(userHandle); 8356 } 8357 } 8358 8359 private void saveUserRestrictionsLocked(int userId) { 8360 saveSettingsLocked(userId); 8361 pushUserRestrictions(userId); 8362 sendChangedNotification(userId); 8363 } 8364 8365 private void pushUserRestrictions(int userId) { 8366 synchronized (this) { 8367 final boolean isDeviceOwner = mOwners.isDeviceOwnerUserId(userId); 8368 final Bundle userRestrictions; 8369 // Whether device owner enforces camera restriction. 8370 boolean disallowCameraGlobally = false; 8371 8372 if (isDeviceOwner) { 8373 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 8374 if (deviceOwner == null) { 8375 return; // Shouldn't happen. 8376 } 8377 userRestrictions = deviceOwner.userRestrictions; 8378 // DO can disable camera globally. 8379 disallowCameraGlobally = deviceOwner.disableCamera; 8380 } else { 8381 final ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 8382 userRestrictions = profileOwner != null ? profileOwner.userRestrictions : null; 8383 } 8384 8385 // Whether any admin enforces camera restriction. 8386 final int cameraRestrictionScope = 8387 getCameraRestrictionScopeLocked(userId, disallowCameraGlobally); 8388 8389 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, userRestrictions, 8390 isDeviceOwner, cameraRestrictionScope); 8391 } 8392 } 8393 8394 /** 8395 * Get the scope of camera restriction for a given user if any. 8396 */ 8397 private int getCameraRestrictionScopeLocked(int userId, boolean disallowCameraGlobally) { 8398 if (disallowCameraGlobally) { 8399 return UserManagerInternal.CAMERA_DISABLED_GLOBALLY; 8400 } else if (getCameraDisabled( 8401 /* who= */ null, userId, /* mergeDeviceOwnerRestriction= */ false)) { 8402 return UserManagerInternal.CAMERA_DISABLED_LOCALLY; 8403 } 8404 return UserManagerInternal.CAMERA_NOT_DISABLED; 8405 } 8406 8407 @Override 8408 public Bundle getUserRestrictions(ComponentName who) { 8409 if (!mHasFeature) { 8410 return null; 8411 } 8412 Preconditions.checkNotNull(who, "ComponentName is null"); 8413 synchronized (this) { 8414 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 8415 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8416 return activeAdmin.userRestrictions; 8417 } 8418 } 8419 8420 @Override 8421 public boolean setApplicationHidden(ComponentName who, String callerPackage, String packageName, 8422 boolean hidden) { 8423 int callingUserId = UserHandle.getCallingUserId(); 8424 synchronized (this) { 8425 // Ensure the caller is a DO/PO or a package access delegate. 8426 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8427 DELEGATION_PACKAGE_ACCESS); 8428 8429 long id = mInjector.binderClearCallingIdentity(); 8430 try { 8431 return mIPackageManager.setApplicationHiddenSettingAsUser( 8432 packageName, hidden, callingUserId); 8433 } catch (RemoteException re) { 8434 // shouldn't happen 8435 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 8436 } finally { 8437 mInjector.binderRestoreCallingIdentity(id); 8438 } 8439 return false; 8440 } 8441 } 8442 8443 @Override 8444 public boolean isApplicationHidden(ComponentName who, String callerPackage, 8445 String packageName) { 8446 int callingUserId = UserHandle.getCallingUserId(); 8447 synchronized (this) { 8448 // Ensure the caller is a DO/PO or a package access delegate. 8449 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8450 DELEGATION_PACKAGE_ACCESS); 8451 8452 long id = mInjector.binderClearCallingIdentity(); 8453 try { 8454 return mIPackageManager.getApplicationHiddenSettingAsUser( 8455 packageName, callingUserId); 8456 } catch (RemoteException re) { 8457 // shouldn't happen 8458 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 8459 } finally { 8460 mInjector.binderRestoreCallingIdentity(id); 8461 } 8462 return false; 8463 } 8464 } 8465 8466 @Override 8467 public void enableSystemApp(ComponentName who, String callerPackage, String packageName) { 8468 synchronized (this) { 8469 // Ensure the caller is a DO/PO or an enable system app delegate. 8470 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8471 DELEGATION_ENABLE_SYSTEM_APP); 8472 8473 int userId = UserHandle.getCallingUserId(); 8474 long id = mInjector.binderClearCallingIdentity(); 8475 8476 try { 8477 if (VERBOSE_LOG) { 8478 Slog.v(LOG_TAG, "installing " + packageName + " for " 8479 + userId); 8480 } 8481 8482 int parentUserId = getProfileParentId(userId); 8483 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 8484 throw new IllegalArgumentException("Only system apps can be enabled this way."); 8485 } 8486 8487 // Install the app. 8488 mIPackageManager.installExistingPackageAsUser(packageName, userId, 8489 0 /*installFlags*/, PackageManager.INSTALL_REASON_POLICY); 8490 8491 } catch (RemoteException re) { 8492 // shouldn't happen 8493 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 8494 } finally { 8495 mInjector.binderRestoreCallingIdentity(id); 8496 } 8497 } 8498 } 8499 8500 @Override 8501 public int enableSystemAppWithIntent(ComponentName who, String callerPackage, Intent intent) { 8502 synchronized (this) { 8503 // Ensure the caller is a DO/PO or an enable system app delegate. 8504 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8505 DELEGATION_ENABLE_SYSTEM_APP); 8506 8507 int userId = UserHandle.getCallingUserId(); 8508 long id = mInjector.binderClearCallingIdentity(); 8509 8510 try { 8511 int parentUserId = getProfileParentId(userId); 8512 List<ResolveInfo> activitiesToEnable = mIPackageManager 8513 .queryIntentActivities(intent, 8514 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 8515 PackageManager.MATCH_DIRECT_BOOT_AWARE 8516 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 8517 parentUserId) 8518 .getList(); 8519 8520 if (VERBOSE_LOG) { 8521 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 8522 } 8523 int numberOfAppsInstalled = 0; 8524 if (activitiesToEnable != null) { 8525 for (ResolveInfo info : activitiesToEnable) { 8526 if (info.activityInfo != null) { 8527 String packageName = info.activityInfo.packageName; 8528 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 8529 numberOfAppsInstalled++; 8530 mIPackageManager.installExistingPackageAsUser(packageName, userId, 8531 0 /*installFlags*/, PackageManager.INSTALL_REASON_POLICY); 8532 } else { 8533 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 8534 + " system app"); 8535 } 8536 } 8537 } 8538 } 8539 return numberOfAppsInstalled; 8540 } catch (RemoteException e) { 8541 // shouldn't happen 8542 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 8543 return 0; 8544 } finally { 8545 mInjector.binderRestoreCallingIdentity(id); 8546 } 8547 } 8548 } 8549 8550 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 8551 throws RemoteException { 8552 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, MATCH_UNINSTALLED_PACKAGES, 8553 userId); 8554 if (appInfo == null) { 8555 throw new IllegalArgumentException("The application " + packageName + 8556 " is not present on this device"); 8557 } 8558 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 8559 } 8560 8561 @Override 8562 public void setAccountManagementDisabled(ComponentName who, String accountType, 8563 boolean disabled) { 8564 if (!mHasFeature) { 8565 return; 8566 } 8567 Preconditions.checkNotNull(who, "ComponentName is null"); 8568 synchronized (this) { 8569 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 8570 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8571 if (disabled) { 8572 ap.accountTypesWithManagementDisabled.add(accountType); 8573 } else { 8574 ap.accountTypesWithManagementDisabled.remove(accountType); 8575 } 8576 saveSettingsLocked(UserHandle.getCallingUserId()); 8577 } 8578 } 8579 8580 @Override 8581 public String[] getAccountTypesWithManagementDisabled() { 8582 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 8583 } 8584 8585 @Override 8586 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 8587 enforceFullCrossUsersPermission(userId); 8588 if (!mHasFeature) { 8589 return null; 8590 } 8591 synchronized (this) { 8592 DevicePolicyData policy = getUserData(userId); 8593 final int N = policy.mAdminList.size(); 8594 ArraySet<String> resultSet = new ArraySet<>(); 8595 for (int i = 0; i < N; i++) { 8596 ActiveAdmin admin = policy.mAdminList.get(i); 8597 resultSet.addAll(admin.accountTypesWithManagementDisabled); 8598 } 8599 return resultSet.toArray(new String[resultSet.size()]); 8600 } 8601 } 8602 8603 @Override 8604 public void setUninstallBlocked(ComponentName who, String callerPackage, String packageName, 8605 boolean uninstallBlocked) { 8606 final int userId = UserHandle.getCallingUserId(); 8607 synchronized (this) { 8608 // Ensure the caller is a DO/PO or a block uninstall delegate 8609 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8610 DELEGATION_BLOCK_UNINSTALL); 8611 8612 long id = mInjector.binderClearCallingIdentity(); 8613 try { 8614 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 8615 } catch (RemoteException re) { 8616 // Shouldn't happen. 8617 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 8618 } finally { 8619 mInjector.binderRestoreCallingIdentity(id); 8620 } 8621 } 8622 } 8623 8624 @Override 8625 public boolean isUninstallBlocked(ComponentName who, String packageName) { 8626 // This function should return true if and only if the package is blocked by 8627 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 8628 // when the package is a system app, or when it is an active device admin. 8629 final int userId = UserHandle.getCallingUserId(); 8630 8631 synchronized (this) { 8632 if (who != null) { 8633 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8634 } 8635 8636 long id = mInjector.binderClearCallingIdentity(); 8637 try { 8638 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 8639 } catch (RemoteException re) { 8640 // Shouldn't happen. 8641 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 8642 } finally { 8643 mInjector.binderRestoreCallingIdentity(id); 8644 } 8645 } 8646 return false; 8647 } 8648 8649 @Override 8650 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 8651 if (!mHasFeature) { 8652 return; 8653 } 8654 Preconditions.checkNotNull(who, "ComponentName is null"); 8655 synchronized (this) { 8656 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8657 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8658 if (admin.disableCallerId != disabled) { 8659 admin.disableCallerId = disabled; 8660 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8661 } 8662 } 8663 } 8664 8665 @Override 8666 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 8667 if (!mHasFeature) { 8668 return false; 8669 } 8670 Preconditions.checkNotNull(who, "ComponentName is null"); 8671 synchronized (this) { 8672 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8673 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8674 return admin.disableCallerId; 8675 } 8676 } 8677 8678 @Override 8679 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 8680 enforceCrossUsersPermission(userId); 8681 synchronized (this) { 8682 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8683 return (admin != null) ? admin.disableCallerId : false; 8684 } 8685 } 8686 8687 @Override 8688 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 8689 if (!mHasFeature) { 8690 return; 8691 } 8692 Preconditions.checkNotNull(who, "ComponentName is null"); 8693 synchronized (this) { 8694 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8695 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8696 if (admin.disableContactsSearch != disabled) { 8697 admin.disableContactsSearch = disabled; 8698 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8699 } 8700 } 8701 } 8702 8703 @Override 8704 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 8705 if (!mHasFeature) { 8706 return false; 8707 } 8708 Preconditions.checkNotNull(who, "ComponentName is null"); 8709 synchronized (this) { 8710 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8711 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8712 return admin.disableContactsSearch; 8713 } 8714 } 8715 8716 @Override 8717 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 8718 enforceCrossUsersPermission(userId); 8719 synchronized (this) { 8720 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8721 return (admin != null) ? admin.disableContactsSearch : false; 8722 } 8723 } 8724 8725 @Override 8726 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 8727 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 8728 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 8729 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 8730 final int callingUserId = UserHandle.getCallingUserId(); 8731 8732 final long ident = mInjector.binderClearCallingIdentity(); 8733 try { 8734 synchronized (this) { 8735 final int managedUserId = getManagedUserId(callingUserId); 8736 if (managedUserId < 0) { 8737 return; 8738 } 8739 if (isCrossProfileQuickContactDisabled(managedUserId)) { 8740 if (VERBOSE_LOG) { 8741 Log.v(LOG_TAG, 8742 "Cross-profile contacts access disabled for user " + managedUserId); 8743 } 8744 return; 8745 } 8746 ContactsInternal.startQuickContactWithErrorToastForUser( 8747 mContext, intent, new UserHandle(managedUserId)); 8748 } 8749 } finally { 8750 mInjector.binderRestoreCallingIdentity(ident); 8751 } 8752 } 8753 8754 /** 8755 * @return true if cross-profile QuickContact is disabled 8756 */ 8757 private boolean isCrossProfileQuickContactDisabled(int userId) { 8758 return getCrossProfileCallerIdDisabledForUser(userId) 8759 && getCrossProfileContactsSearchDisabledForUser(userId); 8760 } 8761 8762 /** 8763 * @return the user ID of the managed user that is linked to the current user, if any. 8764 * Otherwise -1. 8765 */ 8766 public int getManagedUserId(int callingUserId) { 8767 if (VERBOSE_LOG) { 8768 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 8769 } 8770 8771 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 8772 if (ui.id == callingUserId || !ui.isManagedProfile()) { 8773 continue; // Caller user self, or not a managed profile. Skip. 8774 } 8775 if (VERBOSE_LOG) { 8776 Log.v(LOG_TAG, "Managed user=" + ui.id); 8777 } 8778 return ui.id; 8779 } 8780 if (VERBOSE_LOG) { 8781 Log.v(LOG_TAG, "Managed user not found."); 8782 } 8783 return -1; 8784 } 8785 8786 @Override 8787 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 8788 if (!mHasFeature) { 8789 return; 8790 } 8791 Preconditions.checkNotNull(who, "ComponentName is null"); 8792 synchronized (this) { 8793 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8794 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8795 if (admin.disableBluetoothContactSharing != disabled) { 8796 admin.disableBluetoothContactSharing = disabled; 8797 saveSettingsLocked(UserHandle.getCallingUserId()); 8798 } 8799 } 8800 } 8801 8802 @Override 8803 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 8804 if (!mHasFeature) { 8805 return false; 8806 } 8807 Preconditions.checkNotNull(who, "ComponentName is null"); 8808 synchronized (this) { 8809 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8810 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8811 return admin.disableBluetoothContactSharing; 8812 } 8813 } 8814 8815 @Override 8816 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 8817 // TODO: Should there be a check to make sure this relationship is 8818 // within a profile group? 8819 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 8820 synchronized (this) { 8821 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8822 return (admin != null) ? admin.disableBluetoothContactSharing : false; 8823 } 8824 } 8825 8826 @Override 8827 public void setLockTaskPackages(ComponentName who, String[] packages) 8828 throws SecurityException { 8829 Preconditions.checkNotNull(who, "ComponentName is null"); 8830 Preconditions.checkNotNull(packages, "packages is null"); 8831 8832 synchronized (this) { 8833 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8834 final int userHandle = mInjector.userHandleGetCallingUserId(); 8835 if (isUserAffiliatedWithDeviceLocked(userHandle)) { 8836 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 8837 } else { 8838 throw new SecurityException("Admin " + who + 8839 " is neither the device owner or affiliated user's profile owner."); 8840 } 8841 } 8842 } 8843 8844 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 8845 DevicePolicyData policy = getUserData(userHandle); 8846 policy.mLockTaskPackages = packages; 8847 8848 // Store the settings persistently. 8849 saveSettingsLocked(userHandle); 8850 updateLockTaskPackagesLocked(packages, userHandle); 8851 } 8852 8853 private void maybeClearLockTaskPackagesLocked() { 8854 final long ident = mInjector.binderClearCallingIdentity(); 8855 try { 8856 final List<UserInfo> userInfos = mUserManager.getUsers(/*excludeDying=*/ true); 8857 for (int i = 0; i < userInfos.size(); i++) { 8858 int userId = userInfos.get(i).id; 8859 final List<String> lockTaskPackages = getUserData(userId).mLockTaskPackages; 8860 if (!lockTaskPackages.isEmpty() && 8861 !isUserAffiliatedWithDeviceLocked(userId)) { 8862 Slog.d(LOG_TAG, 8863 "User id " + userId + " not affiliated. Clearing lock task packages"); 8864 setLockTaskPackagesLocked(userId, Collections.<String>emptyList()); 8865 } 8866 } 8867 } finally { 8868 mInjector.binderRestoreCallingIdentity(ident); 8869 } 8870 } 8871 8872 @Override 8873 public String[] getLockTaskPackages(ComponentName who) { 8874 Preconditions.checkNotNull(who, "ComponentName is null"); 8875 8876 final int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 8877 synchronized (this) { 8878 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8879 if (!isUserAffiliatedWithDeviceLocked(userHandle)) { 8880 throw new SecurityException("Admin " + who + 8881 " is neither the device owner or affiliated user's profile owner."); 8882 } 8883 8884 final List<String> packages = getUserData(userHandle).mLockTaskPackages; 8885 return packages.toArray(new String[packages.size()]); 8886 } 8887 } 8888 8889 @Override 8890 public boolean isLockTaskPermitted(String pkg) { 8891 final int userHandle = mInjector.userHandleGetCallingUserId(); 8892 synchronized (this) { 8893 return getUserData(userHandle).mLockTaskPackages.contains(pkg); 8894 } 8895 } 8896 8897 @Override 8898 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 8899 if (!isCallerWithSystemUid()) { 8900 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 8901 } 8902 synchronized (this) { 8903 final DevicePolicyData policy = getUserData(userHandle); 8904 Bundle adminExtras = new Bundle(); 8905 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 8906 for (ActiveAdmin admin : policy.mAdminList) { 8907 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 8908 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 8909 if (ownsDevice || ownsProfile) { 8910 if (isEnabled) { 8911 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 8912 adminExtras, null); 8913 } else { 8914 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 8915 } 8916 } 8917 } 8918 } 8919 } 8920 8921 @Override 8922 public void setGlobalSetting(ComponentName who, String setting, String value) { 8923 Preconditions.checkNotNull(who, "ComponentName is null"); 8924 8925 synchronized (this) { 8926 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8927 8928 // Some settings are no supported any more. However we do not want to throw a 8929 // SecurityException to avoid breaking apps. 8930 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 8931 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 8932 return; 8933 } 8934 8935 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 8936 throw new SecurityException(String.format( 8937 "Permission denial: device owners cannot update %1$s", setting)); 8938 } 8939 8940 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 8941 // ignore if it contradicts an existing policy 8942 long timeMs = getMaximumTimeToLock( 8943 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 8944 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 8945 return; 8946 } 8947 } 8948 8949 long id = mInjector.binderClearCallingIdentity(); 8950 try { 8951 mInjector.settingsGlobalPutString(setting, value); 8952 } finally { 8953 mInjector.binderRestoreCallingIdentity(id); 8954 } 8955 } 8956 } 8957 8958 @Override 8959 public void setSecureSetting(ComponentName who, String setting, String value) { 8960 Preconditions.checkNotNull(who, "ComponentName is null"); 8961 int callingUserId = mInjector.userHandleGetCallingUserId(); 8962 8963 synchronized (this) { 8964 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8965 8966 if (isDeviceOwner(who, callingUserId)) { 8967 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 8968 throw new SecurityException(String.format( 8969 "Permission denial: Device owners cannot update %1$s", setting)); 8970 } 8971 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 8972 throw new SecurityException(String.format( 8973 "Permission denial: Profile owners cannot update %1$s", setting)); 8974 } 8975 if (setting.equals(Settings.Secure.INSTALL_NON_MARKET_APPS)) { 8976 if (getTargetSdk(who.getPackageName(), callingUserId) >= Build.VERSION_CODES.O) { 8977 throw new UnsupportedOperationException(Settings.Secure.INSTALL_NON_MARKET_APPS 8978 + " is deprecated. Please use the user restriction " 8979 + UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES + " instead."); 8980 } 8981 if (!mUserManager.isManagedProfile(callingUserId)) { 8982 Slog.e(LOG_TAG, "Ignoring setSecureSetting request for " 8983 + setting + ". User restriction " 8984 + UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES 8985 + " should be used instead."); 8986 } else { 8987 try { 8988 setUserRestriction(who, UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, 8989 (Integer.parseInt(value) == 0) ? true : false); 8990 } catch (NumberFormatException exc) { 8991 Slog.e(LOG_TAG, "Invalid value: " + value + " for setting " + setting); 8992 } 8993 } 8994 return; 8995 } 8996 long id = mInjector.binderClearCallingIdentity(); 8997 try { 8998 if (Settings.Secure.DEFAULT_INPUT_METHOD.equals(setting)) { 8999 final String currentValue = mInjector.settingsSecureGetStringForUser( 9000 Settings.Secure.DEFAULT_INPUT_METHOD, callingUserId); 9001 if (!TextUtils.equals(currentValue, value)) { 9002 // Tell the content observer that the next change will be due to the owner 9003 // changing the value. There is a small race condition here that we cannot 9004 // avoid: Change notifications are sent asynchronously, so it is possible 9005 // that there are prior notifications queued up before the one we are about 9006 // to trigger. This is a corner case that will have no impact in practice. 9007 mSetupContentObserver.addPendingChangeByOwnerLocked(callingUserId); 9008 } 9009 getUserData(callingUserId).mCurrentInputMethodSet = true; 9010 saveSettingsLocked(callingUserId); 9011 } 9012 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 9013 } finally { 9014 mInjector.binderRestoreCallingIdentity(id); 9015 } 9016 } 9017 } 9018 9019 @Override 9020 public void setMasterVolumeMuted(ComponentName who, boolean on) { 9021 Preconditions.checkNotNull(who, "ComponentName is null"); 9022 synchronized (this) { 9023 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9024 setUserRestriction(who, UserManager.DISALLOW_UNMUTE_DEVICE, on); 9025 } 9026 } 9027 9028 @Override 9029 public boolean isMasterVolumeMuted(ComponentName who) { 9030 Preconditions.checkNotNull(who, "ComponentName is null"); 9031 synchronized (this) { 9032 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9033 9034 AudioManager audioManager = 9035 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 9036 return audioManager.isMasterMute(); 9037 } 9038 } 9039 9040 @Override 9041 public void setUserIcon(ComponentName who, Bitmap icon) { 9042 synchronized (this) { 9043 Preconditions.checkNotNull(who, "ComponentName is null"); 9044 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9045 9046 int userId = UserHandle.getCallingUserId(); 9047 long id = mInjector.binderClearCallingIdentity(); 9048 try { 9049 mUserManagerInternal.setUserIcon(userId, icon); 9050 } finally { 9051 mInjector.binderRestoreCallingIdentity(id); 9052 } 9053 } 9054 } 9055 9056 @Override 9057 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 9058 Preconditions.checkNotNull(who, "ComponentName is null"); 9059 synchronized (this) { 9060 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9061 } 9062 final int userId = UserHandle.getCallingUserId(); 9063 9064 long ident = mInjector.binderClearCallingIdentity(); 9065 try { 9066 // disallow disabling the keyguard if a password is currently set 9067 if (disabled && mLockPatternUtils.isSecure(userId)) { 9068 return false; 9069 } 9070 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 9071 } finally { 9072 mInjector.binderRestoreCallingIdentity(ident); 9073 } 9074 return true; 9075 } 9076 9077 @Override 9078 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 9079 int userId = UserHandle.getCallingUserId(); 9080 synchronized (this) { 9081 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9082 DevicePolicyData policy = getUserData(userId); 9083 if (policy.mStatusBarDisabled != disabled) { 9084 if (!setStatusBarDisabledInternal(disabled, userId)) { 9085 return false; 9086 } 9087 policy.mStatusBarDisabled = disabled; 9088 saveSettingsLocked(userId); 9089 } 9090 } 9091 return true; 9092 } 9093 9094 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 9095 long ident = mInjector.binderClearCallingIdentity(); 9096 try { 9097 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 9098 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 9099 if (statusBarService != null) { 9100 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 9101 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 9102 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 9103 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 9104 return true; 9105 } 9106 } catch (RemoteException e) { 9107 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 9108 } finally { 9109 mInjector.binderRestoreCallingIdentity(ident); 9110 } 9111 return false; 9112 } 9113 9114 /** 9115 * We need to update the internal state of whether a user has completed setup or a 9116 * device has paired once. After that, we ignore any changes that reset the 9117 * Settings.Secure.USER_SETUP_COMPLETE or Settings.Secure.DEVICE_PAIRED change 9118 * as we don't trust any apps that might try to reset them. 9119 * <p> 9120 * Unfortunately, we don't know which user's setup state was changed, so we write all of 9121 * them. 9122 */ 9123 void updateUserSetupCompleteAndPaired() { 9124 List<UserInfo> users = mUserManager.getUsers(true); 9125 final int N = users.size(); 9126 for (int i = 0; i < N; i++) { 9127 int userHandle = users.get(i).id; 9128 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 9129 userHandle) != 0) { 9130 DevicePolicyData policy = getUserData(userHandle); 9131 if (!policy.mUserSetupComplete) { 9132 policy.mUserSetupComplete = true; 9133 synchronized (this) { 9134 saveSettingsLocked(userHandle); 9135 } 9136 } 9137 } 9138 if (mIsWatch && mInjector.settingsSecureGetIntForUser(Settings.Secure.DEVICE_PAIRED, 0, 9139 userHandle) != 0) { 9140 DevicePolicyData policy = getUserData(userHandle); 9141 if (!policy.mPaired) { 9142 policy.mPaired = true; 9143 synchronized (this) { 9144 saveSettingsLocked(userHandle); 9145 } 9146 } 9147 } 9148 } 9149 } 9150 9151 private class SetupContentObserver extends ContentObserver { 9152 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 9153 Settings.Secure.USER_SETUP_COMPLETE); 9154 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 9155 Settings.Global.DEVICE_PROVISIONED); 9156 private final Uri mPaired = Settings.Secure.getUriFor(Settings.Secure.DEVICE_PAIRED); 9157 private final Uri mDefaultImeChanged = Settings.Secure.getUriFor( 9158 Settings.Secure.DEFAULT_INPUT_METHOD); 9159 9160 @GuardedBy("DevicePolicyManagerService.this") 9161 private Set<Integer> mUserIdsWithPendingChangesByOwner = new ArraySet<>(); 9162 9163 public SetupContentObserver(Handler handler) { 9164 super(handler); 9165 } 9166 9167 void register() { 9168 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 9169 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 9170 if (mIsWatch) { 9171 mInjector.registerContentObserver(mPaired, false, this, UserHandle.USER_ALL); 9172 } 9173 mInjector.registerContentObserver(mDefaultImeChanged, false, this, UserHandle.USER_ALL); 9174 } 9175 9176 private void addPendingChangeByOwnerLocked(int userId) { 9177 mUserIdsWithPendingChangesByOwner.add(userId); 9178 } 9179 9180 @Override 9181 public void onChange(boolean selfChange, Uri uri, int userId) { 9182 if (mUserSetupComplete.equals(uri) || (mIsWatch && mPaired.equals(uri))) { 9183 updateUserSetupCompleteAndPaired(); 9184 } else if (mDeviceProvisioned.equals(uri)) { 9185 synchronized (DevicePolicyManagerService.this) { 9186 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 9187 // is delayed until device is marked as provisioned. 9188 setDeviceOwnerSystemPropertyLocked(); 9189 } 9190 } else if (mDefaultImeChanged.equals(uri)) { 9191 synchronized (DevicePolicyManagerService.this) { 9192 if (mUserIdsWithPendingChangesByOwner.contains(userId)) { 9193 // This change notification was triggered by the owner changing the current 9194 // IME. Ignore it. 9195 mUserIdsWithPendingChangesByOwner.remove(userId); 9196 } else { 9197 // This change notification was triggered by the user manually changing the 9198 // current IME. 9199 getUserData(userId).mCurrentInputMethodSet = false; 9200 saveSettingsLocked(userId); 9201 } 9202 } 9203 } 9204 } 9205 } 9206 9207 @VisibleForTesting 9208 final class LocalService extends DevicePolicyManagerInternal { 9209 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 9210 9211 @Override 9212 public List<String> getCrossProfileWidgetProviders(int profileId) { 9213 synchronized (DevicePolicyManagerService.this) { 9214 if (mOwners == null) { 9215 return Collections.emptyList(); 9216 } 9217 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 9218 if (ownerComponent == null) { 9219 return Collections.emptyList(); 9220 } 9221 9222 DevicePolicyData policy = getUserDataUnchecked(profileId); 9223 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 9224 9225 if (admin == null || admin.crossProfileWidgetProviders == null 9226 || admin.crossProfileWidgetProviders.isEmpty()) { 9227 return Collections.emptyList(); 9228 } 9229 9230 return admin.crossProfileWidgetProviders; 9231 } 9232 } 9233 9234 @Override 9235 public void addOnCrossProfileWidgetProvidersChangeListener( 9236 OnCrossProfileWidgetProvidersChangeListener listener) { 9237 synchronized (DevicePolicyManagerService.this) { 9238 if (mWidgetProviderListeners == null) { 9239 mWidgetProviderListeners = new ArrayList<>(); 9240 } 9241 if (!mWidgetProviderListeners.contains(listener)) { 9242 mWidgetProviderListeners.add(listener); 9243 } 9244 } 9245 } 9246 9247 @Override 9248 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 9249 synchronized(DevicePolicyManagerService.this) { 9250 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 9251 } 9252 } 9253 9254 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 9255 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 9256 synchronized (DevicePolicyManagerService.this) { 9257 listeners = new ArrayList<>(mWidgetProviderListeners); 9258 } 9259 final int listenerCount = listeners.size(); 9260 for (int i = 0; i < listenerCount; i++) { 9261 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 9262 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 9263 } 9264 } 9265 9266 @Override 9267 public Intent createShowAdminSupportIntent(int userId, boolean useDefaultIfNoAdmin) { 9268 // This method is called from AM with its lock held, so don't take the DPMS lock. 9269 // b/29242568 9270 9271 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 9272 if (profileOwner != null) { 9273 return DevicePolicyManagerService.this 9274 .createShowAdminSupportIntent(profileOwner, userId); 9275 } 9276 9277 final Pair<Integer, ComponentName> deviceOwner = 9278 mOwners.getDeviceOwnerUserIdAndComponent(); 9279 if (deviceOwner != null && deviceOwner.first == userId) { 9280 return DevicePolicyManagerService.this 9281 .createShowAdminSupportIntent(deviceOwner.second, userId); 9282 } 9283 9284 // We're not specifying the device admin because there isn't one. 9285 if (useDefaultIfNoAdmin) { 9286 return DevicePolicyManagerService.this.createShowAdminSupportIntent(null, userId); 9287 } 9288 return null; 9289 } 9290 9291 @Override 9292 public Intent createUserRestrictionSupportIntent(int userId, String userRestriction) { 9293 int source; 9294 long ident = mInjector.binderClearCallingIdentity(); 9295 try { 9296 source = mUserManager.getUserRestrictionSource(userRestriction, 9297 UserHandle.of(userId)); 9298 } finally { 9299 mInjector.binderRestoreCallingIdentity(ident); 9300 } 9301 if ((source & UserManager.RESTRICTION_SOURCE_SYSTEM) != 0) { 9302 /* 9303 * In this case, the user restriction is enforced by the system. 9304 * So we won't show an admin support intent, even if it is also 9305 * enforced by a profile/device owner. 9306 */ 9307 return null; 9308 } 9309 boolean enforcedByDo = (source & UserManager.RESTRICTION_SOURCE_DEVICE_OWNER) != 0; 9310 boolean enforcedByPo = (source & UserManager.RESTRICTION_SOURCE_PROFILE_OWNER) != 0; 9311 if (enforcedByDo && enforcedByPo) { 9312 // In this case, we'll show an admin support dialog that does not 9313 // specify the admin. 9314 return DevicePolicyManagerService.this.createShowAdminSupportIntent(null, userId); 9315 } else if (enforcedByPo) { 9316 final ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 9317 if (profileOwner != null) { 9318 return DevicePolicyManagerService.this 9319 .createShowAdminSupportIntent(profileOwner, userId); 9320 } 9321 // This could happen if another thread has changed the profile owner since we called 9322 // getUserRestrictionSource 9323 return null; 9324 } else if (enforcedByDo) { 9325 final Pair<Integer, ComponentName> deviceOwner 9326 = mOwners.getDeviceOwnerUserIdAndComponent(); 9327 if (deviceOwner != null) { 9328 return DevicePolicyManagerService.this 9329 .createShowAdminSupportIntent(deviceOwner.second, deviceOwner.first); 9330 } 9331 // This could happen if another thread has changed the device owner since we called 9332 // getUserRestrictionSource 9333 return null; 9334 } 9335 return null; 9336 } 9337 } 9338 9339 private Intent createShowAdminSupportIntent(ComponentName admin, int userId) { 9340 // This method is called with AMS lock held, so don't take DPMS lock 9341 final Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 9342 intent.putExtra(Intent.EXTRA_USER_ID, userId); 9343 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, admin); 9344 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 9345 return intent; 9346 } 9347 9348 @Override 9349 public Intent createAdminSupportIntent(String restriction) { 9350 Preconditions.checkNotNull(restriction); 9351 final int uid = mInjector.binderGetCallingUid(); 9352 final int userId = UserHandle.getUserId(uid); 9353 Intent intent = null; 9354 if (DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction) || 9355 DevicePolicyManager.POLICY_DISABLE_SCREEN_CAPTURE.equals(restriction)) { 9356 synchronized(this) { 9357 final DevicePolicyData policy = getUserData(userId); 9358 final int N = policy.mAdminList.size(); 9359 for (int i = 0; i < N; i++) { 9360 final ActiveAdmin admin = policy.mAdminList.get(i); 9361 if ((admin.disableCamera && 9362 DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction)) || 9363 (admin.disableScreenCapture && DevicePolicyManager 9364 .POLICY_DISABLE_SCREEN_CAPTURE.equals(restriction))) { 9365 intent = createShowAdminSupportIntent(admin.info.getComponent(), userId); 9366 break; 9367 } 9368 } 9369 // For the camera, a device owner on a different user can disable it globally, 9370 // so we need an additional check. 9371 if (intent == null 9372 && DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction)) { 9373 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 9374 if (admin != null && admin.disableCamera) { 9375 intent = createShowAdminSupportIntent(admin.info.getComponent(), 9376 mOwners.getDeviceOwnerUserId()); 9377 } 9378 } 9379 } 9380 } else { 9381 // if valid, |restriction| can only be a user restriction 9382 intent = mLocalService.createUserRestrictionSupportIntent(userId, restriction); 9383 } 9384 if (intent != null) { 9385 intent.putExtra(DevicePolicyManager.EXTRA_RESTRICTION, restriction); 9386 } 9387 return intent; 9388 } 9389 9390 /** 9391 * Returns true if specified admin is allowed to limit passwords and has a 9392 * {@code minimumPasswordMetrics.quality} of at least {@code minPasswordQuality} 9393 */ 9394 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 9395 if (admin.minimumPasswordMetrics.quality < minPasswordQuality) { 9396 return false; 9397 } 9398 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 9399 } 9400 9401 @Override 9402 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 9403 if (policy != null && !policy.isValid()) { 9404 throw new IllegalArgumentException("Invalid system update policy."); 9405 } 9406 synchronized (this) { 9407 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9408 if (policy == null) { 9409 mOwners.clearSystemUpdatePolicy(); 9410 } else { 9411 mOwners.setSystemUpdatePolicy(policy); 9412 } 9413 mOwners.writeDeviceOwner(); 9414 } 9415 mContext.sendBroadcastAsUser( 9416 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 9417 UserHandle.SYSTEM); 9418 } 9419 9420 @Override 9421 public SystemUpdatePolicy getSystemUpdatePolicy() { 9422 if (UserManager.isDeviceInDemoMode(mContext)) { 9423 // Pretending to have an automatic update policy when the device is in retail demo 9424 // mode. This will allow the device to download and install an ota without 9425 // any user interaction. 9426 return SystemUpdatePolicy.createAutomaticInstallPolicy(); 9427 } 9428 synchronized (this) { 9429 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 9430 if (policy != null && !policy.isValid()) { 9431 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 9432 return null; 9433 } 9434 return policy; 9435 } 9436 } 9437 9438 /** 9439 * Checks if the caller of the method is the device owner app. 9440 * 9441 * @param callerUid UID of the caller. 9442 * @return true if the caller is the device owner app 9443 */ 9444 @VisibleForTesting 9445 boolean isCallerDeviceOwner(int callerUid) { 9446 synchronized (this) { 9447 if (!mOwners.hasDeviceOwner()) { 9448 return false; 9449 } 9450 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 9451 return false; 9452 } 9453 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 9454 .getPackageName(); 9455 try { 9456 String[] pkgs = mInjector.getIPackageManager().getPackagesForUid(callerUid); 9457 for (String pkg : pkgs) { 9458 if (deviceOwnerPackageName.equals(pkg)) { 9459 return true; 9460 } 9461 } 9462 } catch (RemoteException e) { 9463 return false; 9464 } 9465 } 9466 9467 return false; 9468 } 9469 9470 @Override 9471 public void notifyPendingSystemUpdate(@Nullable SystemUpdateInfo info) { 9472 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 9473 "Only the system update service can broadcast update information"); 9474 9475 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 9476 Slog.w(LOG_TAG, "Only the system update service in the system user " + 9477 "can broadcast update information."); 9478 return; 9479 } 9480 9481 if (!mOwners.saveSystemUpdateInfo(info)) { 9482 // Pending system update hasn't changed, don't send duplicate notification. 9483 return; 9484 } 9485 9486 final Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE) 9487 .putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 9488 info == null ? -1 : info.getReceivedTime()); 9489 9490 final long ident = mInjector.binderClearCallingIdentity(); 9491 try { 9492 synchronized (this) { 9493 // Broadcast to device owner first if there is one. 9494 if (mOwners.hasDeviceOwner()) { 9495 final UserHandle deviceOwnerUser = 9496 UserHandle.of(mOwners.getDeviceOwnerUserId()); 9497 intent.setComponent(mOwners.getDeviceOwnerComponent()); 9498 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 9499 } 9500 } 9501 // Get running users. 9502 final int runningUserIds[]; 9503 try { 9504 runningUserIds = mInjector.getIActivityManager().getRunningUserIds(); 9505 } catch (RemoteException e) { 9506 // Shouldn't happen. 9507 Log.e(LOG_TAG, "Could not retrieve the list of running users", e); 9508 return; 9509 } 9510 // Send broadcasts to corresponding profile owners if any. 9511 for (final int userId : runningUserIds) { 9512 synchronized (this) { 9513 final ComponentName profileOwnerPackage = 9514 mOwners.getProfileOwnerComponent(userId); 9515 if (profileOwnerPackage != null) { 9516 intent.setComponent(profileOwnerPackage); 9517 mContext.sendBroadcastAsUser(intent, UserHandle.of(userId)); 9518 } 9519 } 9520 } 9521 } finally { 9522 mInjector.binderRestoreCallingIdentity(ident); 9523 } 9524 } 9525 9526 @Override 9527 public SystemUpdateInfo getPendingSystemUpdate(ComponentName admin) { 9528 Preconditions.checkNotNull(admin, "ComponentName is null"); 9529 enforceProfileOrDeviceOwner(admin); 9530 9531 return mOwners.getSystemUpdateInfo(); 9532 } 9533 9534 @Override 9535 public void setPermissionPolicy(ComponentName admin, String callerPackage, int policy) 9536 throws RemoteException { 9537 int userId = UserHandle.getCallingUserId(); 9538 synchronized (this) { 9539 // Ensure the caller is a DO/PO or a permission grant state delegate. 9540 enforceCanManageScope(admin, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 9541 DELEGATION_PERMISSION_GRANT); 9542 DevicePolicyData userPolicy = getUserData(userId); 9543 if (userPolicy.mPermissionPolicy != policy) { 9544 userPolicy.mPermissionPolicy = policy; 9545 saveSettingsLocked(userId); 9546 } 9547 } 9548 } 9549 9550 @Override 9551 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 9552 int userId = UserHandle.getCallingUserId(); 9553 synchronized (this) { 9554 DevicePolicyData userPolicy = getUserData(userId); 9555 return userPolicy.mPermissionPolicy; 9556 } 9557 } 9558 9559 @Override 9560 public boolean setPermissionGrantState(ComponentName admin, String callerPackage, 9561 String packageName, String permission, int grantState) throws RemoteException { 9562 UserHandle user = mInjector.binderGetCallingUserHandle(); 9563 synchronized (this) { 9564 // Ensure the caller is a DO/PO or a permission grant state delegate. 9565 enforceCanManageScope(admin, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 9566 DELEGATION_PERMISSION_GRANT); 9567 long ident = mInjector.binderClearCallingIdentity(); 9568 try { 9569 if (getTargetSdk(packageName, user.getIdentifier()) 9570 < android.os.Build.VERSION_CODES.M) { 9571 return false; 9572 } 9573 final PackageManager packageManager = mInjector.getPackageManager(); 9574 switch (grantState) { 9575 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 9576 mInjector.getPackageManagerInternal().grantRuntimePermission(packageName, 9577 permission, user.getIdentifier(), true /* override policy */); 9578 packageManager.updatePermissionFlags(permission, packageName, 9579 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 9580 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 9581 } break; 9582 9583 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 9584 mInjector.getPackageManagerInternal().revokeRuntimePermission(packageName, 9585 permission, user.getIdentifier(), true /* override policy */); 9586 packageManager.updatePermissionFlags(permission, packageName, 9587 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 9588 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 9589 } break; 9590 9591 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 9592 packageManager.updatePermissionFlags(permission, packageName, 9593 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 9594 } break; 9595 } 9596 return true; 9597 } catch (SecurityException se) { 9598 return false; 9599 } finally { 9600 mInjector.binderRestoreCallingIdentity(ident); 9601 } 9602 } 9603 } 9604 9605 @Override 9606 public int getPermissionGrantState(ComponentName admin, String callerPackage, 9607 String packageName, String permission) throws RemoteException { 9608 PackageManager packageManager = mInjector.getPackageManager(); 9609 9610 UserHandle user = mInjector.binderGetCallingUserHandle(); 9611 if (!isCallerWithSystemUid()) { 9612 // Ensure the caller is a DO/PO or a permission grant state delegate. 9613 enforceCanManageScope(admin, callerPackage, 9614 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, DELEGATION_PERMISSION_GRANT); 9615 } 9616 synchronized (this) { 9617 long ident = mInjector.binderClearCallingIdentity(); 9618 try { 9619 int granted = mIPackageManager.checkPermission(permission, 9620 packageName, user.getIdentifier()); 9621 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 9622 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 9623 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 9624 // Not controlled by policy 9625 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 9626 } else { 9627 // Policy controlled so return result based on permission grant state 9628 return granted == PackageManager.PERMISSION_GRANTED 9629 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 9630 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 9631 } 9632 } finally { 9633 mInjector.binderRestoreCallingIdentity(ident); 9634 } 9635 } 9636 } 9637 9638 boolean isPackageInstalledForUser(String packageName, int userHandle) { 9639 try { 9640 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 9641 userHandle); 9642 return (pi != null) && (pi.applicationInfo.flags != 0); 9643 } catch (RemoteException re) { 9644 throw new RuntimeException("Package manager has died", re); 9645 } 9646 } 9647 9648 @Override 9649 public boolean isProvisioningAllowed(String action, String packageName) { 9650 Preconditions.checkNotNull(packageName); 9651 9652 final int callingUid = mInjector.binderGetCallingUid(); 9653 final long ident = mInjector.binderClearCallingIdentity(); 9654 try { 9655 final int uidForPackage = mInjector.getPackageManager().getPackageUidAsUser( 9656 packageName, UserHandle.getUserId(callingUid)); 9657 Preconditions.checkArgument(callingUid == uidForPackage, 9658 "Caller uid doesn't match the one for the provided package."); 9659 } catch (NameNotFoundException e) { 9660 throw new IllegalArgumentException("Invalid package provided " + packageName, e); 9661 } finally { 9662 mInjector.binderRestoreCallingIdentity(ident); 9663 } 9664 9665 return checkProvisioningPreConditionSkipPermission(action, packageName) == CODE_OK; 9666 } 9667 9668 @Override 9669 public int checkProvisioningPreCondition(String action, String packageName) { 9670 Preconditions.checkNotNull(packageName); 9671 enforceCanManageProfileAndDeviceOwners(); 9672 return checkProvisioningPreConditionSkipPermission(action, packageName); 9673 } 9674 9675 private int checkProvisioningPreConditionSkipPermission(String action, String packageName) { 9676 if (!mHasFeature) { 9677 return CODE_DEVICE_ADMIN_NOT_SUPPORTED; 9678 } 9679 9680 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9681 if (action != null) { 9682 switch (action) { 9683 case DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE: 9684 return checkManagedProfileProvisioningPreCondition(packageName, callingUserId); 9685 case DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE: 9686 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9687 case DevicePolicyManager.ACTION_PROVISION_MANAGED_USER: 9688 return checkManagedUserProvisioningPreCondition(callingUserId); 9689 case DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE: 9690 return checkManagedShareableDeviceProvisioningPreCondition(callingUserId); 9691 } 9692 } 9693 throw new IllegalArgumentException("Unknown provisioning action " + action); 9694 } 9695 9696 /** 9697 * The device owner can only be set before the setup phase of the primary user has completed, 9698 * except for adb command if no accounts or additional users are present on the device. 9699 */ 9700 private int checkDeviceOwnerProvisioningPreConditionLocked(@Nullable ComponentName owner, 9701 int deviceOwnerUserId, boolean isAdb, boolean hasIncompatibleAccountsOrNonAdb) { 9702 if (mOwners.hasDeviceOwner()) { 9703 return CODE_HAS_DEVICE_OWNER; 9704 } 9705 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 9706 return CODE_USER_HAS_PROFILE_OWNER; 9707 } 9708 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 9709 return CODE_USER_NOT_RUNNING; 9710 } 9711 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9712 return CODE_HAS_PAIRED; 9713 } 9714 if (isAdb) { 9715 // if shell command runs after user setup completed check device status. Otherwise, OK. 9716 if (mIsWatch || hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9717 if (!mInjector.userManagerIsSplitSystemUser()) { 9718 if (mUserManager.getUserCount() > 1) { 9719 return CODE_NONSYSTEM_USER_EXISTS; 9720 } 9721 if (hasIncompatibleAccountsOrNonAdb) { 9722 return CODE_ACCOUNTS_NOT_EMPTY; 9723 } 9724 } else { 9725 // STOPSHIP Do proper check in split user mode 9726 } 9727 } 9728 return CODE_OK; 9729 } else { 9730 if (!mInjector.userManagerIsSplitSystemUser()) { 9731 // In non-split user mode, DO has to be user 0 9732 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 9733 return CODE_NOT_SYSTEM_USER; 9734 } 9735 // In non-split user mode, only provision DO before setup wizard completes 9736 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9737 return CODE_USER_SETUP_COMPLETED; 9738 } 9739 } else { 9740 // STOPSHIP Do proper check in split user mode 9741 } 9742 return CODE_OK; 9743 } 9744 } 9745 9746 private int checkDeviceOwnerProvisioningPreCondition(int deviceOwnerUserId) { 9747 synchronized (this) { 9748 // hasIncompatibleAccountsOrNonAdb doesn't matter since the caller is not adb. 9749 return checkDeviceOwnerProvisioningPreConditionLocked(/* owner unknown */ null, 9750 deviceOwnerUserId, /* isAdb= */ false, 9751 /* hasIncompatibleAccountsOrNonAdb=*/ true); 9752 } 9753 } 9754 9755 private int checkManagedProfileProvisioningPreCondition(String packageName, int callingUserId) { 9756 if (!hasFeatureManagedUsers()) { 9757 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9758 } 9759 if (callingUserId == UserHandle.USER_SYSTEM 9760 && mInjector.userManagerIsSplitSystemUser()) { 9761 // Managed-profiles cannot be setup on the system user. 9762 return CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 9763 } 9764 if (getProfileOwner(callingUserId) != null) { 9765 // Managed user cannot have a managed profile. 9766 return CODE_USER_HAS_PROFILE_OWNER; 9767 } 9768 9769 final long ident = mInjector.binderClearCallingIdentity(); 9770 try { 9771 final UserHandle callingUserHandle = UserHandle.of(callingUserId); 9772 final ComponentName ownerAdmin = getOwnerComponent(packageName, callingUserId); 9773 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_MANAGED_PROFILE, 9774 callingUserHandle)) { 9775 // An admin can initiate provisioning if it has set the restriction. 9776 if (ownerAdmin == null || isAdminAffectedByRestriction(ownerAdmin, 9777 UserManager.DISALLOW_ADD_MANAGED_PROFILE, callingUserId)) { 9778 return CODE_ADD_MANAGED_PROFILE_DISALLOWED; 9779 } 9780 } 9781 boolean canRemoveProfile = true; 9782 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, 9783 callingUserHandle)) { 9784 // We can remove a profile if the admin itself has set the restriction. 9785 if (ownerAdmin == null || isAdminAffectedByRestriction(ownerAdmin, 9786 UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, 9787 callingUserId)) { 9788 canRemoveProfile = false; 9789 } 9790 } 9791 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, canRemoveProfile)) { 9792 return CODE_CANNOT_ADD_MANAGED_PROFILE; 9793 } 9794 } finally { 9795 mInjector.binderRestoreCallingIdentity(ident); 9796 } 9797 return CODE_OK; 9798 } 9799 9800 private ComponentName getOwnerComponent(String packageName, int userId) { 9801 if (isDeviceOwnerPackage(packageName, userId)) { 9802 return mOwners.getDeviceOwnerComponent(); 9803 } 9804 if (isProfileOwnerPackage(packageName, userId)) { 9805 return mOwners.getProfileOwnerComponent(userId); 9806 } 9807 return null; 9808 } 9809 9810 /** 9811 * Return device owner or profile owner set on a given user. 9812 */ 9813 private @Nullable ComponentName getOwnerComponent(int userId) { 9814 synchronized (this) { 9815 if (mOwners.getDeviceOwnerUserId() == userId) { 9816 return mOwners.getDeviceOwnerComponent(); 9817 } 9818 if (mOwners.hasProfileOwner(userId)) { 9819 return mOwners.getProfileOwnerComponent(userId); 9820 } 9821 } 9822 return null; 9823 } 9824 9825 private int checkManagedUserProvisioningPreCondition(int callingUserId) { 9826 if (!hasFeatureManagedUsers()) { 9827 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9828 } 9829 if (!mInjector.userManagerIsSplitSystemUser()) { 9830 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 9831 return CODE_NOT_SYSTEM_USER_SPLIT; 9832 } 9833 if (callingUserId == UserHandle.USER_SYSTEM) { 9834 // System user cannot be a managed user. 9835 return CODE_SYSTEM_USER; 9836 } 9837 if (hasUserSetupCompleted(callingUserId)) { 9838 return CODE_USER_SETUP_COMPLETED; 9839 } 9840 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9841 return CODE_HAS_PAIRED; 9842 } 9843 return CODE_OK; 9844 } 9845 9846 private int checkManagedShareableDeviceProvisioningPreCondition(int callingUserId) { 9847 if (!mInjector.userManagerIsSplitSystemUser()) { 9848 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 9849 return CODE_NOT_SYSTEM_USER_SPLIT; 9850 } 9851 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9852 } 9853 9854 private boolean hasFeatureManagedUsers() { 9855 try { 9856 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 9857 } catch (RemoteException e) { 9858 return false; 9859 } 9860 } 9861 9862 @Override 9863 public String getWifiMacAddress(ComponentName admin) { 9864 // Make sure caller has DO. 9865 synchronized (this) { 9866 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9867 } 9868 9869 final long ident = mInjector.binderClearCallingIdentity(); 9870 try { 9871 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 9872 if (wifiInfo == null) { 9873 return null; 9874 } 9875 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 9876 } finally { 9877 mInjector.binderRestoreCallingIdentity(ident); 9878 } 9879 } 9880 9881 /** 9882 * Returns the target sdk version number that the given packageName was built for 9883 * in the given user. 9884 */ 9885 private int getTargetSdk(String packageName, int userId) { 9886 final ApplicationInfo ai; 9887 try { 9888 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 9889 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 9890 return targetSdkVersion; 9891 } catch (RemoteException e) { 9892 // Shouldn't happen 9893 return 0; 9894 } 9895 } 9896 9897 @Override 9898 public boolean isManagedProfile(ComponentName admin) { 9899 enforceProfileOrDeviceOwner(admin); 9900 return isManagedProfile(mInjector.userHandleGetCallingUserId()); 9901 } 9902 9903 @Override 9904 public boolean isSystemOnlyUser(ComponentName admin) { 9905 synchronized (this) { 9906 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9907 } 9908 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9909 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 9910 } 9911 9912 @Override 9913 public void reboot(ComponentName admin) { 9914 Preconditions.checkNotNull(admin); 9915 // Make sure caller has DO. 9916 synchronized (this) { 9917 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9918 } 9919 long ident = mInjector.binderClearCallingIdentity(); 9920 try { 9921 // Make sure there are no ongoing calls on the device. 9922 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 9923 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 9924 } 9925 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 9926 } finally { 9927 mInjector.binderRestoreCallingIdentity(ident); 9928 } 9929 } 9930 9931 @Override 9932 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 9933 if (!mHasFeature) { 9934 return; 9935 } 9936 Preconditions.checkNotNull(who, "ComponentName is null"); 9937 final int userHandle = mInjector.userHandleGetCallingUserId(); 9938 synchronized (this) { 9939 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9940 mInjector.binderGetCallingUid()); 9941 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 9942 admin.shortSupportMessage = message; 9943 saveSettingsLocked(userHandle); 9944 } 9945 } 9946 } 9947 9948 @Override 9949 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 9950 if (!mHasFeature) { 9951 return null; 9952 } 9953 Preconditions.checkNotNull(who, "ComponentName is null"); 9954 synchronized (this) { 9955 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9956 mInjector.binderGetCallingUid()); 9957 return admin.shortSupportMessage; 9958 } 9959 } 9960 9961 @Override 9962 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 9963 if (!mHasFeature) { 9964 return; 9965 } 9966 Preconditions.checkNotNull(who, "ComponentName is null"); 9967 final int userHandle = mInjector.userHandleGetCallingUserId(); 9968 synchronized (this) { 9969 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9970 mInjector.binderGetCallingUid()); 9971 if (!TextUtils.equals(admin.longSupportMessage, message)) { 9972 admin.longSupportMessage = message; 9973 saveSettingsLocked(userHandle); 9974 } 9975 } 9976 } 9977 9978 @Override 9979 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 9980 if (!mHasFeature) { 9981 return null; 9982 } 9983 Preconditions.checkNotNull(who, "ComponentName is null"); 9984 synchronized (this) { 9985 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9986 mInjector.binderGetCallingUid()); 9987 return admin.longSupportMessage; 9988 } 9989 } 9990 9991 @Override 9992 public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9993 if (!mHasFeature) { 9994 return null; 9995 } 9996 Preconditions.checkNotNull(who, "ComponentName is null"); 9997 if (!isCallerWithSystemUid()) { 9998 throw new SecurityException("Only the system can query support message for user"); 9999 } 10000 synchronized (this) { 10001 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 10002 if (admin != null) { 10003 return admin.shortSupportMessage; 10004 } 10005 } 10006 return null; 10007 } 10008 10009 @Override 10010 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 10011 if (!mHasFeature) { 10012 return null; 10013 } 10014 Preconditions.checkNotNull(who, "ComponentName is null"); 10015 if (!isCallerWithSystemUid()) { 10016 throw new SecurityException("Only the system can query support message for user"); 10017 } 10018 synchronized (this) { 10019 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 10020 if (admin != null) { 10021 return admin.longSupportMessage; 10022 } 10023 } 10024 return null; 10025 } 10026 10027 @Override 10028 public void setOrganizationColor(@NonNull ComponentName who, int color) { 10029 if (!mHasFeature) { 10030 return; 10031 } 10032 Preconditions.checkNotNull(who, "ComponentName is null"); 10033 final int userHandle = mInjector.userHandleGetCallingUserId(); 10034 enforceManagedProfile(userHandle, "set organization color"); 10035 synchronized (this) { 10036 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 10037 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10038 admin.organizationColor = color; 10039 saveSettingsLocked(userHandle); 10040 } 10041 } 10042 10043 @Override 10044 public void setOrganizationColorForUser(int color, int userId) { 10045 if (!mHasFeature) { 10046 return; 10047 } 10048 enforceFullCrossUsersPermission(userId); 10049 enforceManageUsers(); 10050 enforceManagedProfile(userId, "set organization color"); 10051 synchronized (this) { 10052 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 10053 admin.organizationColor = color; 10054 saveSettingsLocked(userId); 10055 } 10056 } 10057 10058 @Override 10059 public int getOrganizationColor(@NonNull ComponentName who) { 10060 if (!mHasFeature) { 10061 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 10062 } 10063 Preconditions.checkNotNull(who, "ComponentName is null"); 10064 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 10065 synchronized (this) { 10066 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 10067 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10068 return admin.organizationColor; 10069 } 10070 } 10071 10072 @Override 10073 public int getOrganizationColorForUser(int userHandle) { 10074 if (!mHasFeature) { 10075 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 10076 } 10077 enforceFullCrossUsersPermission(userHandle); 10078 enforceManagedProfile(userHandle, "get organization color"); 10079 synchronized (this) { 10080 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 10081 return (profileOwner != null) 10082 ? profileOwner.organizationColor 10083 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 10084 } 10085 } 10086 10087 @Override 10088 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 10089 if (!mHasFeature) { 10090 return; 10091 } 10092 Preconditions.checkNotNull(who, "ComponentName is null"); 10093 final int userHandle = mInjector.userHandleGetCallingUserId(); 10094 10095 synchronized (this) { 10096 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 10097 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10098 if (!TextUtils.equals(admin.organizationName, text)) { 10099 admin.organizationName = (text == null || text.length() == 0) 10100 ? null : text.toString(); 10101 saveSettingsLocked(userHandle); 10102 } 10103 } 10104 } 10105 10106 @Override 10107 public CharSequence getOrganizationName(@NonNull ComponentName who) { 10108 if (!mHasFeature) { 10109 return null; 10110 } 10111 Preconditions.checkNotNull(who, "ComponentName is null"); 10112 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 10113 synchronized(this) { 10114 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 10115 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10116 return admin.organizationName; 10117 } 10118 } 10119 10120 @Override 10121 public CharSequence getDeviceOwnerOrganizationName() { 10122 if (!mHasFeature) { 10123 return null; 10124 } 10125 enforceDeviceOwnerOrManageUsers(); 10126 synchronized(this) { 10127 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 10128 return deviceOwnerAdmin == null ? null : deviceOwnerAdmin.organizationName; 10129 } 10130 } 10131 10132 @Override 10133 public CharSequence getOrganizationNameForUser(int userHandle) { 10134 if (!mHasFeature) { 10135 return null; 10136 } 10137 enforceFullCrossUsersPermission(userHandle); 10138 enforceManagedProfile(userHandle, "get organization name"); 10139 synchronized (this) { 10140 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 10141 return (profileOwner != null) 10142 ? profileOwner.organizationName 10143 : null; 10144 } 10145 } 10146 10147 @Override 10148 public void setAffiliationIds(ComponentName admin, List<String> ids) { 10149 if (!mHasFeature) { 10150 return; 10151 } 10152 if (ids == null) { 10153 throw new IllegalArgumentException("ids must not be null"); 10154 } 10155 for (String id : ids) { 10156 if (TextUtils.isEmpty(id)) { 10157 throw new IllegalArgumentException("ids must not contain empty string"); 10158 } 10159 } 10160 10161 final Set<String> affiliationIds = new ArraySet<>(ids); 10162 final int callingUserId = mInjector.userHandleGetCallingUserId(); 10163 synchronized (this) { 10164 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10165 getUserData(callingUserId).mAffiliationIds = affiliationIds; 10166 saveSettingsLocked(callingUserId); 10167 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 10168 // Affiliation ids specified by the device owner are additionally stored in 10169 // UserHandle.USER_SYSTEM's DevicePolicyData. 10170 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 10171 saveSettingsLocked(UserHandle.USER_SYSTEM); 10172 } 10173 10174 // Affiliation status for any user, not just the calling user, might have changed. 10175 // The device owner user will still be affiliated after changing its affiliation ids, 10176 // but as a result of that other users might become affiliated or un-affiliated. 10177 maybePauseDeviceWideLoggingLocked(); 10178 maybeResumeDeviceWideLoggingLocked(); 10179 maybeClearLockTaskPackagesLocked(); 10180 } 10181 } 10182 10183 @Override 10184 public List<String> getAffiliationIds(ComponentName admin) { 10185 if (!mHasFeature) { 10186 return Collections.emptyList(); 10187 } 10188 10189 Preconditions.checkNotNull(admin); 10190 synchronized (this) { 10191 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10192 return new ArrayList<String>( 10193 getUserData(mInjector.userHandleGetCallingUserId()).mAffiliationIds); 10194 } 10195 } 10196 10197 @Override 10198 public boolean isAffiliatedUser() { 10199 if (!mHasFeature) { 10200 return false; 10201 } 10202 10203 synchronized (this) { 10204 return isUserAffiliatedWithDeviceLocked(mInjector.userHandleGetCallingUserId()); 10205 } 10206 } 10207 10208 private boolean isUserAffiliatedWithDeviceLocked(int userId) { 10209 if (!mOwners.hasDeviceOwner()) { 10210 return false; 10211 } 10212 if (userId == mOwners.getDeviceOwnerUserId()) { 10213 // The user that the DO is installed on is always affiliated with the device. 10214 return true; 10215 } 10216 if (userId == UserHandle.USER_SYSTEM) { 10217 // The system user is always affiliated in a DO device, even if the DO is set on a 10218 // different user. This could be the case if the DO is set in the primary user 10219 // of a split user device. 10220 return true; 10221 } 10222 final ComponentName profileOwner = getProfileOwner(userId); 10223 if (profileOwner == null) { 10224 return false; 10225 } 10226 final Set<String> userAffiliationIds = getUserData(userId).mAffiliationIds; 10227 final Set<String> deviceAffiliationIds = 10228 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 10229 for (String id : userAffiliationIds) { 10230 if (deviceAffiliationIds.contains(id)) { 10231 return true; 10232 } 10233 } 10234 return false; 10235 } 10236 10237 private boolean areAllUsersAffiliatedWithDeviceLocked() { 10238 final long ident = mInjector.binderClearCallingIdentity(); 10239 try { 10240 final List<UserInfo> userInfos = mUserManager.getUsers(/*excludeDying=*/ true); 10241 for (int i = 0; i < userInfos.size(); i++) { 10242 int userId = userInfos.get(i).id; 10243 if (!isUserAffiliatedWithDeviceLocked(userId)) { 10244 Slog.d(LOG_TAG, "User id " + userId + " not affiliated."); 10245 return false; 10246 } 10247 } 10248 } finally { 10249 mInjector.binderRestoreCallingIdentity(ident); 10250 } 10251 10252 return true; 10253 } 10254 10255 @Override 10256 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 10257 if (!mHasFeature) { 10258 return; 10259 } 10260 Preconditions.checkNotNull(admin); 10261 10262 synchronized (this) { 10263 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10264 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 10265 return; 10266 } 10267 mInjector.securityLogSetLoggingEnabledProperty(enabled); 10268 if (enabled) { 10269 mSecurityLogMonitor.start(); 10270 maybePauseDeviceWideLoggingLocked(); 10271 } else { 10272 mSecurityLogMonitor.stop(); 10273 } 10274 } 10275 } 10276 10277 @Override 10278 public boolean isSecurityLoggingEnabled(ComponentName admin) { 10279 if (!mHasFeature) { 10280 return false; 10281 } 10282 10283 synchronized (this) { 10284 if (!isCallerWithSystemUid()) { 10285 Preconditions.checkNotNull(admin); 10286 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10287 } 10288 return mInjector.securityLogGetLoggingEnabledProperty(); 10289 } 10290 } 10291 10292 private synchronized void recordSecurityLogRetrievalTime() { 10293 final long currentTime = System.currentTimeMillis(); 10294 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 10295 if (currentTime > policyData.mLastSecurityLogRetrievalTime) { 10296 policyData.mLastSecurityLogRetrievalTime = currentTime; 10297 saveSettingsLocked(UserHandle.USER_SYSTEM); 10298 } 10299 } 10300 10301 @Override 10302 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 10303 if (!mHasFeature) { 10304 return null; 10305 } 10306 10307 Preconditions.checkNotNull(admin); 10308 ensureDeviceOwnerAndAllUsersAffiliated(admin); 10309 10310 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs) 10311 || !mInjector.securityLogGetLoggingEnabledProperty()) { 10312 return null; 10313 } 10314 10315 recordSecurityLogRetrievalTime(); 10316 10317 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 10318 try { 10319 SecurityLog.readPreviousEvents(output); 10320 return new ParceledListSlice<SecurityEvent>(output); 10321 } catch (IOException e) { 10322 Slog.w(LOG_TAG, "Fail to read previous events" , e); 10323 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 10324 } 10325 } 10326 10327 @Override 10328 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 10329 if (!mHasFeature) { 10330 return null; 10331 } 10332 10333 Preconditions.checkNotNull(admin); 10334 ensureDeviceOwnerAndAllUsersAffiliated(admin); 10335 10336 if (!mInjector.securityLogGetLoggingEnabledProperty()) { 10337 return null; 10338 } 10339 10340 recordSecurityLogRetrievalTime(); 10341 10342 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 10343 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 10344 } 10345 10346 private void enforceCanManageDeviceAdmin() { 10347 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 10348 null); 10349 } 10350 10351 private void enforceCanManageProfileAndDeviceOwners() { 10352 mContext.enforceCallingOrSelfPermission( 10353 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 10354 } 10355 10356 private void enforceCallerSystemUserHandle() { 10357 final int callingUid = mInjector.binderGetCallingUid(); 10358 final int userId = UserHandle.getUserId(callingUid); 10359 if (userId != UserHandle.USER_SYSTEM) { 10360 throw new SecurityException("Caller has to be in user 0"); 10361 } 10362 } 10363 10364 @Override 10365 public boolean isUninstallInQueue(final String packageName) { 10366 enforceCanManageDeviceAdmin(); 10367 final int userId = mInjector.userHandleGetCallingUserId(); 10368 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10369 synchronized (this) { 10370 return mPackagesToRemove.contains(packageUserPair); 10371 } 10372 } 10373 10374 @Override 10375 public void uninstallPackageWithActiveAdmins(final String packageName) { 10376 enforceCanManageDeviceAdmin(); 10377 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 10378 10379 final int userId = mInjector.userHandleGetCallingUserId(); 10380 10381 enforceUserUnlocked(userId); 10382 10383 final ComponentName profileOwner = getProfileOwner(userId); 10384 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 10385 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 10386 } 10387 10388 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 10389 if (getDeviceOwnerUserId() == userId && deviceOwner != null 10390 && packageName.equals(deviceOwner.getPackageName())) { 10391 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 10392 } 10393 10394 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10395 synchronized (this) { 10396 mPackagesToRemove.add(packageUserPair); 10397 } 10398 10399 // All active admins on the user. 10400 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 10401 10402 // Active admins in the target package. 10403 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 10404 if (allActiveAdmins != null) { 10405 for (ComponentName activeAdmin : allActiveAdmins) { 10406 if (packageName.equals(activeAdmin.getPackageName())) { 10407 packageActiveAdmins.add(activeAdmin); 10408 removeActiveAdmin(activeAdmin, userId); 10409 } 10410 } 10411 } 10412 if (packageActiveAdmins.size() == 0) { 10413 startUninstallIntent(packageName, userId); 10414 } else { 10415 mHandler.postDelayed(new Runnable() { 10416 @Override 10417 public void run() { 10418 for (ComponentName activeAdmin : packageActiveAdmins) { 10419 removeAdminArtifacts(activeAdmin, userId); 10420 } 10421 startUninstallIntent(packageName, userId); 10422 } 10423 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 10424 } 10425 } 10426 10427 @Override 10428 public boolean isDeviceProvisioned() { 10429 synchronized (this) { 10430 return getUserDataUnchecked(UserHandle.USER_SYSTEM).mUserSetupComplete; 10431 } 10432 } 10433 10434 private void removePackageIfRequired(final String packageName, final int userId) { 10435 if (!packageHasActiveAdmins(packageName, userId)) { 10436 // Will not do anything if uninstall was not requested or was already started. 10437 startUninstallIntent(packageName, userId); 10438 } 10439 } 10440 10441 private void startUninstallIntent(final String packageName, final int userId) { 10442 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10443 synchronized (this) { 10444 if (!mPackagesToRemove.contains(packageUserPair)) { 10445 // Do nothing if uninstall was not requested or was already started. 10446 return; 10447 } 10448 mPackagesToRemove.remove(packageUserPair); 10449 } 10450 try { 10451 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 10452 // Package does not exist. Nothing to do. 10453 return; 10454 } 10455 } catch (RemoteException re) { 10456 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 10457 } 10458 10459 try { // force stop the package before uninstalling 10460 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 10461 } catch (RemoteException re) { 10462 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 10463 } 10464 final Uri packageURI = Uri.parse("package:" + packageName); 10465 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 10466 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 10467 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 10468 } 10469 10470 /** 10471 * Removes the admin from the policy. Ideally called after the admin's 10472 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 10473 * 10474 * @param adminReceiver The admin to remove 10475 * @param userHandle The user for which this admin has to be removed. 10476 */ 10477 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 10478 synchronized (this) { 10479 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 10480 if (admin == null) { 10481 return; 10482 } 10483 final DevicePolicyData policy = getUserData(userHandle); 10484 final boolean doProxyCleanup = admin.info.usesPolicy( 10485 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 10486 policy.mAdminList.remove(admin); 10487 policy.mAdminMap.remove(adminReceiver); 10488 validatePasswordOwnerLocked(policy); 10489 if (doProxyCleanup) { 10490 resetGlobalProxyLocked(policy); 10491 } 10492 saveSettingsLocked(userHandle); 10493 updateMaximumTimeToLockLocked(userHandle); 10494 policy.mRemovingAdmins.remove(adminReceiver); 10495 10496 Slog.i(LOG_TAG, "Device admin " + adminReceiver + " removed from user " + userHandle); 10497 } 10498 // The removed admin might have disabled camera, so update user 10499 // restrictions. 10500 pushUserRestrictions(userHandle); 10501 } 10502 10503 @Override 10504 public void setDeviceProvisioningConfigApplied() { 10505 enforceManageUsers(); 10506 synchronized (this) { 10507 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 10508 policy.mDeviceProvisioningConfigApplied = true; 10509 saveSettingsLocked(UserHandle.USER_SYSTEM); 10510 } 10511 } 10512 10513 @Override 10514 public boolean isDeviceProvisioningConfigApplied() { 10515 enforceManageUsers(); 10516 synchronized (this) { 10517 final DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 10518 return policy.mDeviceProvisioningConfigApplied; 10519 } 10520 } 10521 10522 /** 10523 * Force update internal persistent state from Settings.Secure.USER_SETUP_COMPLETE. 10524 * 10525 * It's added for testing only. Please use this API carefully if it's used by other system app 10526 * and bare in mind Settings.Secure.USER_SETUP_COMPLETE can be modified by user and other system 10527 * apps. 10528 */ 10529 @Override 10530 public void forceUpdateUserSetupComplete() { 10531 enforceCanManageProfileAndDeviceOwners(); 10532 enforceCallerSystemUserHandle(); 10533 // no effect if it's called from user build 10534 if (!mInjector.isBuildDebuggable()) { 10535 return; 10536 } 10537 final int userId = UserHandle.USER_SYSTEM; 10538 boolean isUserCompleted = mInjector.settingsSecureGetIntForUser( 10539 Settings.Secure.USER_SETUP_COMPLETE, 0, userId) != 0; 10540 DevicePolicyData policy = getUserData(userId); 10541 policy.mUserSetupComplete = isUserCompleted; 10542 synchronized (this) { 10543 saveSettingsLocked(userId); 10544 } 10545 } 10546 10547 // TODO(b/22388012): When backup is available for secondary users and profiles, consider 10548 // whether there are any privacy/security implications of enabling the backup service here 10549 // if there are other users or profiles unmanaged or managed by a different entity (i.e. not 10550 // affiliated). 10551 @Override 10552 public void setBackupServiceEnabled(ComponentName admin, boolean enabled) { 10553 if (!mHasFeature) { 10554 return; 10555 } 10556 Preconditions.checkNotNull(admin); 10557 synchronized (this) { 10558 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10559 } 10560 10561 final long ident = mInjector.binderClearCallingIdentity(); 10562 try { 10563 IBackupManager ibm = mInjector.getIBackupManager(); 10564 if (ibm != null) { 10565 ibm.setBackupServiceActive(UserHandle.USER_SYSTEM, enabled); 10566 } 10567 } catch (RemoteException e) { 10568 throw new IllegalStateException( 10569 "Failed " + (enabled ? "" : "de") + "activating backup service.", e); 10570 } finally { 10571 mInjector.binderRestoreCallingIdentity(ident); 10572 } 10573 } 10574 10575 @Override 10576 public boolean isBackupServiceEnabled(ComponentName admin) { 10577 Preconditions.checkNotNull(admin); 10578 if (!mHasFeature) { 10579 return true; 10580 } 10581 synchronized (this) { 10582 try { 10583 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10584 IBackupManager ibm = mInjector.getIBackupManager(); 10585 return ibm != null && ibm.isBackupServiceActive(UserHandle.USER_SYSTEM); 10586 } catch (RemoteException e) { 10587 throw new IllegalStateException("Failed requesting backup service state.", e); 10588 } 10589 } 10590 } 10591 10592 @Override 10593 public boolean bindDeviceAdminServiceAsUser( 10594 @NonNull ComponentName admin, @NonNull IApplicationThread caller, 10595 @Nullable IBinder activtiyToken, @NonNull Intent serviceIntent, 10596 @NonNull IServiceConnection connection, int flags, @UserIdInt int targetUserId) { 10597 if (!mHasFeature) { 10598 return false; 10599 } 10600 Preconditions.checkNotNull(admin); 10601 Preconditions.checkNotNull(caller); 10602 Preconditions.checkNotNull(serviceIntent); 10603 Preconditions.checkArgument( 10604 serviceIntent.getComponent() != null || serviceIntent.getPackage() != null, 10605 "Service intent must be explicit (with a package name or component): " 10606 + serviceIntent); 10607 Preconditions.checkNotNull(connection); 10608 Preconditions.checkArgument(mInjector.userHandleGetCallingUserId() != targetUserId, 10609 "target user id must be different from the calling user id"); 10610 10611 if (!getBindDeviceAdminTargetUsers(admin).contains(UserHandle.of(targetUserId))) { 10612 throw new SecurityException("Not allowed to bind to target user id"); 10613 } 10614 10615 final String targetPackage; 10616 synchronized (this) { 10617 targetPackage = getOwnerPackageNameForUserLocked(targetUserId); 10618 } 10619 10620 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10621 try { 10622 // Validate and sanitize the incoming service intent. 10623 final Intent sanitizedIntent = 10624 createCrossUserServiceIntent(serviceIntent, targetPackage, targetUserId); 10625 if (sanitizedIntent == null) { 10626 // Fail, cannot lookup the target service. 10627 return false; 10628 } 10629 // Ask ActivityManager to bind it. Notice that we are binding the service with the 10630 // caller app instead of DevicePolicyManagerService. 10631 return mInjector.getIActivityManager().bindService( 10632 caller, activtiyToken, serviceIntent, 10633 serviceIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 10634 connection, flags, mContext.getOpPackageName(), 10635 targetUserId) != 0; 10636 } catch (RemoteException ex) { 10637 // Same process, should not happen. 10638 } finally { 10639 mInjector.binderRestoreCallingIdentity(callingIdentity); 10640 } 10641 10642 // Failed to bind. 10643 return false; 10644 } 10645 10646 @Override 10647 public @NonNull List<UserHandle> getBindDeviceAdminTargetUsers(@NonNull ComponentName admin) { 10648 if (!mHasFeature) { 10649 return Collections.emptyList(); 10650 } 10651 Preconditions.checkNotNull(admin); 10652 10653 synchronized (this) { 10654 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10655 10656 final int callingUserId = mInjector.userHandleGetCallingUserId(); 10657 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10658 try { 10659 ArrayList<UserHandle> targetUsers = new ArrayList<>(); 10660 if (!isDeviceOwner(admin, callingUserId)) { 10661 // Profile owners can only bind to the device owner. 10662 if (canUserBindToDeviceOwnerLocked(callingUserId)) { 10663 targetUsers.add(UserHandle.of(mOwners.getDeviceOwnerUserId())); 10664 } 10665 } else { 10666 // Caller is the device owner: Look for profile owners that it can bind to. 10667 final List<UserInfo> userInfos = mUserManager.getUsers(/*excludeDying=*/ true); 10668 for (int i = 0; i < userInfos.size(); i++) { 10669 final int userId = userInfos.get(i).id; 10670 if (userId != callingUserId && canUserBindToDeviceOwnerLocked(userId)) { 10671 targetUsers.add(UserHandle.of(userId)); 10672 } 10673 } 10674 } 10675 10676 return targetUsers; 10677 } finally { 10678 mInjector.binderRestoreCallingIdentity(callingIdentity); 10679 } 10680 } 10681 } 10682 10683 private boolean canUserBindToDeviceOwnerLocked(int userId) { 10684 // There has to be a device owner, under another user id. 10685 if (!mOwners.hasDeviceOwner() || userId == mOwners.getDeviceOwnerUserId()) { 10686 return false; 10687 } 10688 10689 // The user must have a profile owner that belongs to the same package as the device owner. 10690 if (!mOwners.hasProfileOwner(userId) || !TextUtils.equals( 10691 mOwners.getDeviceOwnerPackageName(), mOwners.getProfileOwnerPackage(userId))) { 10692 return false; 10693 } 10694 10695 // The user must be affiliated. 10696 return isUserAffiliatedWithDeviceLocked(userId); 10697 } 10698 10699 /** 10700 * Return true if a given user has any accounts that'll prevent installing a device or profile 10701 * owner {@code owner}. 10702 * - If the user has no accounts, then return false. 10703 * - Otherwise, if the owner is unknown (== null), or is not test-only, then return true. 10704 * - Otherwise, if there's any account that does not have ..._ALLOWED, or does have 10705 * ..._DISALLOWED, return true. 10706 * - Otherwise return false. 10707 * 10708 * If the caller is *not* ADB, it also returns true. The returned value shouldn't be used 10709 * when the caller is not ADB. 10710 * 10711 * DO NOT CALL IT WITH THE DPMS LOCK HELD. 10712 */ 10713 private boolean hasIncompatibleAccountsOrNonAdbNoLock( 10714 int userId, @Nullable ComponentName owner) { 10715 if (!isAdb()) { 10716 return true; 10717 } 10718 wtfIfInLock(); 10719 10720 final long token = mInjector.binderClearCallingIdentity(); 10721 try { 10722 final AccountManager am = AccountManager.get(mContext); 10723 final Account accounts[] = am.getAccountsAsUser(userId); 10724 if (accounts.length == 0) { 10725 return false; 10726 } 10727 synchronized (this) { 10728 if (owner == null || !isAdminTestOnlyLocked(owner, userId)) { 10729 Log.w(LOG_TAG, 10730 "Non test-only owner can't be installed with existing accounts."); 10731 return true; 10732 } 10733 } 10734 10735 final String[] feature_allow = 10736 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_ALLOWED }; 10737 final String[] feature_disallow = 10738 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_DISALLOWED }; 10739 10740 boolean compatible = true; 10741 for (Account account : accounts) { 10742 if (hasAccountFeatures(am, account, feature_disallow)) { 10743 Log.e(LOG_TAG, account + " has " + feature_disallow[0]); 10744 compatible = false; 10745 break; 10746 } 10747 if (!hasAccountFeatures(am, account, feature_allow)) { 10748 Log.e(LOG_TAG, account + " doesn't have " + feature_allow[0]); 10749 compatible = false; 10750 break; 10751 } 10752 } 10753 if (compatible) { 10754 Log.w(LOG_TAG, "All accounts are compatible"); 10755 } else { 10756 Log.e(LOG_TAG, "Found incompatible accounts"); 10757 } 10758 return !compatible; 10759 } finally { 10760 mInjector.binderRestoreCallingIdentity(token); 10761 } 10762 } 10763 10764 private boolean hasAccountFeatures(AccountManager am, Account account, String[] features) { 10765 try { 10766 return am.hasFeatures(account, features, null, null).getResult(); 10767 } catch (Exception e) { 10768 Log.w(LOG_TAG, "Failed to get account feature", e); 10769 return false; 10770 } 10771 } 10772 10773 private boolean isAdb() { 10774 final int callingUid = mInjector.binderGetCallingUid(); 10775 return callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 10776 } 10777 10778 @Override 10779 public synchronized void setNetworkLoggingEnabled(ComponentName admin, boolean enabled) { 10780 if (!mHasFeature) { 10781 return; 10782 } 10783 Preconditions.checkNotNull(admin); 10784 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10785 10786 if (enabled == isNetworkLoggingEnabledInternalLocked()) { 10787 // already in the requested state 10788 return; 10789 } 10790 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10791 deviceOwner.isNetworkLoggingEnabled = enabled; 10792 if (!enabled) { 10793 deviceOwner.numNetworkLoggingNotifications = 0; 10794 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10795 } 10796 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 10797 10798 setNetworkLoggingActiveInternal(enabled); 10799 } 10800 10801 private synchronized void setNetworkLoggingActiveInternal(boolean active) { 10802 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10803 try { 10804 if (active) { 10805 mNetworkLogger = new NetworkLogger(this, mInjector.getPackageManagerInternal()); 10806 if (!mNetworkLogger.startNetworkLogging()) { 10807 mNetworkLogger = null; 10808 Slog.wtf(LOG_TAG, "Network logging could not be started due to the logging" 10809 + " service not being available yet."); 10810 } 10811 maybePauseDeviceWideLoggingLocked(); 10812 sendNetworkLoggingNotificationLocked(); 10813 } else { 10814 if (mNetworkLogger != null && !mNetworkLogger.stopNetworkLogging()) { 10815 Slog.wtf(LOG_TAG, "Network logging could not be stopped due to the logging" 10816 + " service not being available yet."); 10817 } 10818 mNetworkLogger = null; 10819 mInjector.getNotificationManager().cancel(SystemMessage.NOTE_NETWORK_LOGGING); 10820 } 10821 } finally { 10822 mInjector.binderRestoreCallingIdentity(callingIdentity); 10823 } 10824 } 10825 10826 /** Pauses security and network logging if there are unaffiliated users on the device */ 10827 private void maybePauseDeviceWideLoggingLocked() { 10828 if (!areAllUsersAffiliatedWithDeviceLocked()) { 10829 Slog.i(LOG_TAG, "There are unaffiliated users, security and network logging will be " 10830 + "paused if enabled."); 10831 mSecurityLogMonitor.pause(); 10832 if (mNetworkLogger != null) { 10833 mNetworkLogger.pause(); 10834 } 10835 } 10836 } 10837 10838 /** Resumes security and network logging (if they are enabled) if all users are affiliated */ 10839 private void maybeResumeDeviceWideLoggingLocked() { 10840 if (areAllUsersAffiliatedWithDeviceLocked()) { 10841 final long ident = mInjector.binderClearCallingIdentity(); 10842 try { 10843 mSecurityLogMonitor.resume(); 10844 if (mNetworkLogger != null) { 10845 mNetworkLogger.resume(); 10846 } 10847 } finally { 10848 mInjector.binderRestoreCallingIdentity(ident); 10849 } 10850 } 10851 } 10852 10853 /** Deletes any security and network logs that might have been collected so far */ 10854 private void discardDeviceWideLogsLocked() { 10855 mSecurityLogMonitor.discardLogs(); 10856 if (mNetworkLogger != null) { 10857 mNetworkLogger.discardLogs(); 10858 } 10859 // TODO: We should discard pre-boot security logs here too, as otherwise those 10860 // logs (which might contain data from the user just removed) will be 10861 // available after next boot. 10862 } 10863 10864 @Override 10865 public boolean isNetworkLoggingEnabled(ComponentName admin) { 10866 if (!mHasFeature) { 10867 return false; 10868 } 10869 synchronized (this) { 10870 enforceDeviceOwnerOrManageUsers(); 10871 return isNetworkLoggingEnabledInternalLocked(); 10872 } 10873 } 10874 10875 private boolean isNetworkLoggingEnabledInternalLocked() { 10876 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10877 return (deviceOwner != null) && deviceOwner.isNetworkLoggingEnabled; 10878 } 10879 10880 /* 10881 * A maximum of 1200 events are returned, and the total marshalled size is in the order of 10882 * 100kB, so returning a List instead of ParceledListSlice is acceptable. 10883 * Ideally this would be done with ParceledList, however it only supports homogeneous types. 10884 * 10885 * @see NetworkLoggingHandler#MAX_EVENTS_PER_BATCH 10886 */ 10887 @Override 10888 public List<NetworkEvent> retrieveNetworkLogs(ComponentName admin, long batchToken) { 10889 if (!mHasFeature) { 10890 return null; 10891 } 10892 Preconditions.checkNotNull(admin); 10893 ensureDeviceOwnerAndAllUsersAffiliated(admin); 10894 10895 synchronized (this) { 10896 if (mNetworkLogger == null 10897 || !isNetworkLoggingEnabledInternalLocked()) { 10898 return null; 10899 } 10900 10901 final long currentTime = System.currentTimeMillis(); 10902 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 10903 if (currentTime > policyData.mLastNetworkLogsRetrievalTime) { 10904 policyData.mLastNetworkLogsRetrievalTime = currentTime; 10905 saveSettingsLocked(UserHandle.USER_SYSTEM); 10906 } 10907 return mNetworkLogger.retrieveLogs(batchToken); 10908 } 10909 } 10910 10911 private void sendNetworkLoggingNotificationLocked() { 10912 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10913 if (deviceOwner == null || !deviceOwner.isNetworkLoggingEnabled) { 10914 return; 10915 } 10916 if (deviceOwner.numNetworkLoggingNotifications >= 10917 ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10918 return; 10919 } 10920 final long now = System.currentTimeMillis(); 10921 if (now - deviceOwner.lastNetworkLoggingNotificationTimeMs < MS_PER_DAY) { 10922 return; 10923 } 10924 deviceOwner.numNetworkLoggingNotifications++; 10925 if (deviceOwner.numNetworkLoggingNotifications 10926 >= ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10927 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10928 } else { 10929 deviceOwner.lastNetworkLoggingNotificationTimeMs = now; 10930 } 10931 final Intent intent = new Intent(DevicePolicyManager.ACTION_SHOW_DEVICE_MONITORING_DIALOG); 10932 intent.setPackage("com.android.systemui"); 10933 final PendingIntent pendingIntent = PendingIntent.getBroadcastAsUser(mContext, 0, intent, 0, 10934 UserHandle.CURRENT); 10935 Notification notification = 10936 new Notification.Builder(mContext, SystemNotificationChannels.DEVICE_ADMIN) 10937 .setSmallIcon(R.drawable.ic_info_outline) 10938 .setContentTitle(mContext.getString(R.string.network_logging_notification_title)) 10939 .setContentText(mContext.getString(R.string.network_logging_notification_text)) 10940 .setTicker(mContext.getString(R.string.network_logging_notification_title)) 10941 .setShowWhen(true) 10942 .setContentIntent(pendingIntent) 10943 .setStyle(new Notification.BigTextStyle() 10944 .bigText(mContext.getString(R.string.network_logging_notification_text))) 10945 .build(); 10946 mInjector.getNotificationManager().notify(SystemMessage.NOTE_NETWORK_LOGGING, notification); 10947 saveSettingsLocked(mOwners.getDeviceOwnerUserId()); 10948 } 10949 10950 /** 10951 * Return the package name of owner in a given user. 10952 */ 10953 private String getOwnerPackageNameForUserLocked(int userId) { 10954 return mOwners.getDeviceOwnerUserId() == userId 10955 ? mOwners.getDeviceOwnerPackageName() 10956 : mOwners.getProfileOwnerPackage(userId); 10957 } 10958 10959 /** 10960 * @param rawIntent Original service intent specified by caller. It must be explicit. 10961 * @param expectedPackageName The expected package name of the resolved service. 10962 * @return Intent that have component explicitly set. {@code null} if no service is resolved 10963 * with the given intent. 10964 * @throws SecurityException if the intent is resolved to an invalid service. 10965 */ 10966 private Intent createCrossUserServiceIntent( 10967 @NonNull Intent rawIntent, @NonNull String expectedPackageName, 10968 @UserIdInt int targetUserId) throws RemoteException, SecurityException { 10969 ResolveInfo info = mIPackageManager.resolveService( 10970 rawIntent, 10971 rawIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 10972 0, // flags 10973 targetUserId); 10974 if (info == null || info.serviceInfo == null) { 10975 Log.e(LOG_TAG, "Fail to look up the service: " + rawIntent 10976 + " or user " + targetUserId + " is not running"); 10977 return null; 10978 } 10979 if (!expectedPackageName.equals(info.serviceInfo.packageName)) { 10980 throw new SecurityException("Only allow to bind service in " + expectedPackageName); 10981 } 10982 // STOPSHIP(b/37624960): Remove info.serviceInfo.exported before release. 10983 if (info.serviceInfo.exported && !BIND_DEVICE_ADMIN.equals(info.serviceInfo.permission)) { 10984 throw new SecurityException( 10985 "Service must be protected by BIND_DEVICE_ADMIN permission"); 10986 } 10987 // It is the system server to bind the service, it would be extremely dangerous if it 10988 // can be exploited to bind any service. Set the component explicitly to make sure we 10989 // do not bind anything accidentally. 10990 rawIntent.setComponent(info.serviceInfo.getComponentName()); 10991 return rawIntent; 10992 } 10993 10994 @Override 10995 public long getLastSecurityLogRetrievalTime() { 10996 enforceDeviceOwnerOrManageUsers(); 10997 return getUserData(UserHandle.USER_SYSTEM).mLastSecurityLogRetrievalTime; 10998 } 10999 11000 @Override 11001 public long getLastBugReportRequestTime() { 11002 enforceDeviceOwnerOrManageUsers(); 11003 return getUserData(UserHandle.USER_SYSTEM).mLastBugReportRequestTime; 11004 } 11005 11006 @Override 11007 public long getLastNetworkLogRetrievalTime() { 11008 enforceDeviceOwnerOrManageUsers(); 11009 return getUserData(UserHandle.USER_SYSTEM).mLastNetworkLogsRetrievalTime; 11010 } 11011 11012 @Override 11013 public boolean setResetPasswordToken(ComponentName admin, byte[] token) { 11014 if (!mHasFeature) { 11015 return false; 11016 } 11017 if (token == null || token.length < 32) { 11018 throw new IllegalArgumentException("token must be at least 32-byte long"); 11019 } 11020 synchronized (this) { 11021 final int userHandle = mInjector.userHandleGetCallingUserId(); 11022 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 11023 11024 DevicePolicyData policy = getUserData(userHandle); 11025 long ident = mInjector.binderClearCallingIdentity(); 11026 try { 11027 if (policy.mPasswordTokenHandle != 0) { 11028 mLockPatternUtils.removeEscrowToken(policy.mPasswordTokenHandle, userHandle); 11029 } 11030 11031 policy.mPasswordTokenHandle = mLockPatternUtils.addEscrowToken(token, userHandle); 11032 saveSettingsLocked(userHandle); 11033 return policy.mPasswordTokenHandle != 0; 11034 } finally { 11035 mInjector.binderRestoreCallingIdentity(ident); 11036 } 11037 } 11038 } 11039 11040 @Override 11041 public boolean clearResetPasswordToken(ComponentName admin) { 11042 if (!mHasFeature) { 11043 return false; 11044 } 11045 synchronized (this) { 11046 final int userHandle = mInjector.userHandleGetCallingUserId(); 11047 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 11048 11049 DevicePolicyData policy = getUserData(userHandle); 11050 if (policy.mPasswordTokenHandle != 0) { 11051 long ident = mInjector.binderClearCallingIdentity(); 11052 try { 11053 boolean result = mLockPatternUtils.removeEscrowToken( 11054 policy.mPasswordTokenHandle, userHandle); 11055 policy.mPasswordTokenHandle = 0; 11056 saveSettingsLocked(userHandle); 11057 return result; 11058 } finally { 11059 mInjector.binderRestoreCallingIdentity(ident); 11060 } 11061 } 11062 } 11063 return false; 11064 } 11065 11066 @Override 11067 public boolean isResetPasswordTokenActive(ComponentName admin) { 11068 synchronized (this) { 11069 final int userHandle = mInjector.userHandleGetCallingUserId(); 11070 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 11071 11072 DevicePolicyData policy = getUserData(userHandle); 11073 if (policy.mPasswordTokenHandle != 0) { 11074 long ident = mInjector.binderClearCallingIdentity(); 11075 try { 11076 return mLockPatternUtils.isEscrowTokenActive(policy.mPasswordTokenHandle, 11077 userHandle); 11078 } finally { 11079 mInjector.binderRestoreCallingIdentity(ident); 11080 } 11081 } 11082 } 11083 return false; 11084 } 11085 11086 @Override 11087 public boolean resetPasswordWithToken(ComponentName admin, String passwordOrNull, byte[] token, 11088 int flags) { 11089 Preconditions.checkNotNull(token); 11090 synchronized (this) { 11091 final int userHandle = mInjector.userHandleGetCallingUserId(); 11092 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 11093 11094 DevicePolicyData policy = getUserData(userHandle); 11095 if (policy.mPasswordTokenHandle != 0) { 11096 final String password = passwordOrNull != null ? passwordOrNull : ""; 11097 return resetPasswordInternal(password, policy.mPasswordTokenHandle, token, 11098 flags, mInjector.binderGetCallingUid(), userHandle); 11099 } else { 11100 Slog.w(LOG_TAG, "No saved token handle"); 11101 } 11102 } 11103 return false; 11104 } 11105 11106 @Override 11107 public boolean isCurrentInputMethodSetByOwner() { 11108 enforceProfileOwnerOrSystemUser(); 11109 return getUserData(mInjector.userHandleGetCallingUserId()).mCurrentInputMethodSet; 11110 } 11111 11112 @Override 11113 public StringParceledListSlice getOwnerInstalledCaCerts(@NonNull UserHandle user) { 11114 final int userId = user.getIdentifier(); 11115 enforceProfileOwnerOrFullCrossUsersPermission(userId); 11116 synchronized (this) { 11117 return new StringParceledListSlice( 11118 new ArrayList<>(getUserData(userId).mOwnerInstalledCaCerts)); 11119 } 11120 } 11121} 11122