DevicePolicyManagerService.java revision af759c52ce01fe6b5144957e38da956af01a217b
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.MANAGE_CA_CERTIFICATES; 20import static android.app.admin.DevicePolicyManager.CODE_ACCOUNTS_NOT_EMPTY; 21import static android.app.admin.DevicePolicyManager.CODE_ADD_MANAGED_PROFILE_DISALLOWED; 22import static android.app.admin.DevicePolicyManager.CODE_CANNOT_ADD_MANAGED_PROFILE; 23import static android.app.admin.DevicePolicyManager.CODE_DEVICE_ADMIN_NOT_SUPPORTED; 24import static android.app.admin.DevicePolicyManager.CODE_HAS_DEVICE_OWNER; 25import static android.app.admin.DevicePolicyManager.CODE_HAS_PAIRED; 26import static android.app.admin.DevicePolicyManager.CODE_MANAGED_USERS_NOT_SUPPORTED; 27import static android.app.admin.DevicePolicyManager.CODE_NONSYSTEM_USER_EXISTS; 28import static android.app.admin.DevicePolicyManager.CODE_NOT_SYSTEM_USER; 29import static android.app.admin.DevicePolicyManager.CODE_NOT_SYSTEM_USER_SPLIT; 30import static android.app.admin.DevicePolicyManager.CODE_OK; 31import static android.app.admin.DevicePolicyManager.CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 32import static android.app.admin.DevicePolicyManager.CODE_SYSTEM_USER; 33import static android.app.admin.DevicePolicyManager.CODE_USER_HAS_PROFILE_OWNER; 34import static android.app.admin.DevicePolicyManager.CODE_USER_NOT_RUNNING; 35import static android.app.admin.DevicePolicyManager.CODE_USER_SETUP_COMPLETED; 36import static android.app.admin.DevicePolicyManager.DELEGATION_APP_RESTRICTIONS; 37import static android.app.admin.DevicePolicyManager.DELEGATION_BLOCK_UNINSTALL; 38import static android.app.admin.DevicePolicyManager.DELEGATION_CERT_INSTALL; 39import static android.app.admin.DevicePolicyManager.DELEGATION_ENABLE_SYSTEM_APP; 40import static android.app.admin.DevicePolicyManager.DELEGATION_KEEP_UNINSTALLED_PACKAGES; 41import static android.app.admin.DevicePolicyManager.DELEGATION_PACKAGE_ACCESS; 42import static android.app.admin.DevicePolicyManager.DELEGATION_PERMISSION_GRANT; 43import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 44import static android.app.admin.DevicePolicyManager.PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 45import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 46import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 47import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 48 49import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.PROVISIONING_ENTRY_POINT_ADB; 50import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 51import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 52import static org.xmlpull.v1.XmlPullParser.END_TAG; 53import static org.xmlpull.v1.XmlPullParser.TEXT; 54 55import android.Manifest.permission; 56import android.accessibilityservice.AccessibilityServiceInfo; 57import android.accounts.Account; 58import android.accounts.AccountManager; 59import android.annotation.NonNull; 60import android.annotation.Nullable; 61import android.annotation.UserIdInt; 62import android.app.Activity; 63import android.app.ActivityManager; 64import android.app.ActivityManagerInternal; 65import android.app.AlarmManager; 66import android.app.AppGlobals; 67import android.app.IActivityManager; 68import android.app.IApplicationThread; 69import android.app.IServiceConnection; 70import android.app.Notification; 71import android.app.NotificationManager; 72import android.app.PendingIntent; 73import android.app.StatusBarManager; 74import android.app.admin.DeviceAdminInfo; 75import android.app.admin.DeviceAdminReceiver; 76import android.app.admin.DevicePolicyManager; 77import android.app.admin.DevicePolicyManagerInternal; 78import android.app.admin.IDevicePolicyManager; 79import android.app.admin.NetworkEvent; 80import android.app.admin.PasswordMetrics; 81import android.app.admin.SystemUpdateInfo; 82import android.app.admin.SecurityLog; 83import android.app.admin.SecurityLog.SecurityEvent; 84import android.app.admin.SystemUpdatePolicy; 85import android.app.backup.IBackupManager; 86import android.app.trust.TrustManager; 87import android.content.BroadcastReceiver; 88import android.content.ComponentName; 89import android.content.Context; 90import android.content.Intent; 91import android.content.IntentFilter; 92import android.content.pm.ActivityInfo; 93import android.content.pm.ApplicationInfo; 94import android.content.pm.IPackageManager; 95import android.content.pm.PackageInfo; 96import android.content.pm.PackageManager; 97import android.content.pm.PackageManager.NameNotFoundException; 98import android.content.pm.PackageManagerInternal; 99import android.content.pm.ParceledListSlice; 100import android.content.pm.ResolveInfo; 101import android.content.pm.ServiceInfo; 102import android.content.pm.UserInfo; 103import android.content.res.Resources; 104import android.database.ContentObserver; 105import android.graphics.Bitmap; 106import android.graphics.Color; 107import android.media.AudioManager; 108import android.media.IAudioService; 109import android.net.ConnectivityManager; 110import android.net.IIpConnectivityMetrics; 111import android.net.ProxyInfo; 112import android.net.Uri; 113import android.net.metrics.IpConnectivityLog; 114import android.net.wifi.WifiInfo; 115import android.net.wifi.WifiManager; 116import android.os.AsyncTask; 117import android.os.Binder; 118import android.os.Build; 119import android.os.Bundle; 120import android.os.Environment; 121import android.os.FileUtils; 122import android.os.Handler; 123import android.os.IBinder; 124import android.os.Looper; 125import android.os.ParcelFileDescriptor; 126import android.os.PersistableBundle; 127import android.os.PowerManager; 128import android.os.PowerManagerInternal; 129import android.os.Process; 130import android.os.RecoverySystem; 131import android.os.RemoteCallback; 132import android.os.RemoteException; 133import android.os.ServiceManager; 134import android.os.SystemClock; 135import android.os.SystemProperties; 136import android.os.UserHandle; 137import android.os.UserManager; 138import android.os.UserManagerInternal; 139import android.os.storage.StorageManager; 140import android.provider.ContactsContract.QuickContact; 141import android.provider.ContactsInternal; 142import android.provider.Settings; 143import android.security.Credentials; 144import android.security.IKeyChainAliasCallback; 145import android.security.IKeyChainService; 146import android.security.KeyChain; 147import android.security.KeyChain.KeyChainConnection; 148import android.service.persistentdata.PersistentDataBlockManager; 149import android.telephony.TelephonyManager; 150import android.text.TextUtils; 151import android.util.ArrayMap; 152import android.util.ArraySet; 153import android.util.Log; 154import android.util.Pair; 155import android.util.Slog; 156import android.util.SparseArray; 157import android.util.Xml; 158import android.view.IWindowManager; 159import android.view.accessibility.AccessibilityManager; 160import android.view.accessibility.IAccessibilityManager; 161import android.view.inputmethod.InputMethodInfo; 162import android.view.inputmethod.InputMethodManager; 163 164import com.android.internal.R; 165import com.android.internal.annotations.GuardedBy; 166import com.android.internal.annotations.VisibleForTesting; 167import com.android.internal.logging.MetricsLogger; 168import com.android.internal.notification.SystemNotificationChannels; 169import com.android.internal.statusbar.IStatusBarService; 170import com.android.internal.util.FastXmlSerializer; 171import com.android.internal.util.JournaledFile; 172import com.android.internal.util.Preconditions; 173import com.android.internal.util.XmlUtils; 174import com.android.internal.widget.LockPatternUtils; 175import com.android.server.LocalServices; 176import com.android.server.SystemService; 177import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 178import com.android.server.pm.UserRestrictionsUtils; 179import com.google.android.collect.Sets; 180 181import org.xmlpull.v1.XmlPullParser; 182import org.xmlpull.v1.XmlPullParserException; 183import org.xmlpull.v1.XmlSerializer; 184 185import java.io.ByteArrayInputStream; 186import java.io.File; 187import java.io.FileDescriptor; 188import java.io.FileInputStream; 189import java.io.FileNotFoundException; 190import java.io.FileOutputStream; 191import java.io.IOException; 192import java.io.PrintWriter; 193import java.nio.charset.StandardCharsets; 194import java.security.cert.CertificateException; 195import java.security.cert.CertificateFactory; 196import java.security.cert.X509Certificate; 197import java.text.DateFormat; 198import java.text.NumberFormat; 199import java.util.ArrayList; 200import java.util.Arrays; 201import java.util.Collection; 202import java.util.Collections; 203import java.util.Date; 204import java.util.List; 205import java.util.Map.Entry; 206import java.util.Set; 207import java.util.concurrent.TimeUnit; 208import java.util.concurrent.atomic.AtomicBoolean; 209 210/** 211 * Implementation of the device policy APIs. 212 */ 213public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 214 215 protected static final String LOG_TAG = "DevicePolicyManager"; 216 217 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 218 219 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 220 221 private static final String TAG_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; 222 223 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 224 225 private static final String TAG_STATUS_BAR = "statusbar"; 226 227 private static final String ATTR_DISABLED = "disabled"; 228 229 private static final String ATTR_NAME = "name"; 230 231 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 232 "do-not-ask-credentials-on-boot"; 233 234 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 235 236 private static final String TAG_LAST_SECURITY_LOG_RETRIEVAL = "last-security-log-retrieval"; 237 238 private static final String TAG_LAST_BUG_REPORT_REQUEST = "last-bug-report-request"; 239 240 private static final String TAG_LAST_NETWORK_LOG_RETRIEVAL = "last-network-log-retrieval"; 241 242 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 243 244 private static final String TAG_DEFAULT_INPUT_METHOD_SET = "default-ime-set"; 245 246 private static final String ATTR_ID = "id"; 247 248 private static final String ATTR_VALUE = "value"; 249 250 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 251 252 private static final String TAG_PASSWORD_TOKEN_HANDLE = "password-token"; 253 254 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 255 256 private static final long MS_PER_DAY = TimeUnit.DAYS.toMillis(1); 257 258 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 259 260 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 261 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 262 263 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 264 private static final int NETWORK_LOGGING_NOTIFICATION_ID = 1002; 265 266 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 267 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 268 private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; 269 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 270 private static final String ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED = 271 "device-provisioning-config-applied"; 272 private static final String ATTR_DEVICE_PAIRED = "device-paired"; 273 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 274 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 275 = "application-restrictions-manager"; 276 277 // Comprehensive list of delegations. 278 private static final String DELEGATIONS[] = { 279 DELEGATION_CERT_INSTALL, 280 DELEGATION_APP_RESTRICTIONS, 281 DELEGATION_BLOCK_UNINSTALL, 282 DELEGATION_ENABLE_SYSTEM_APP, 283 DELEGATION_KEEP_UNINSTALLED_PACKAGES, 284 DELEGATION_PACKAGE_ACCESS, 285 DELEGATION_PERMISSION_GRANT 286 }; 287 288 /** 289 * System property whose value is either "true" or "false", indicating whether 290 * device owner is present. 291 */ 292 private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; 293 294 private static final int STATUS_BAR_DISABLE_MASK = 295 StatusBarManager.DISABLE_EXPAND | 296 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 297 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 298 StatusBarManager.DISABLE_SEARCH; 299 300 private static final int STATUS_BAR_DISABLE2_MASK = 301 StatusBarManager.DISABLE2_QUICK_SETTINGS; 302 303 private static final Set<String> SECURE_SETTINGS_WHITELIST; 304 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 305 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 306 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 307 static { 308 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 309 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 310 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 311 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 312 313 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 314 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 315 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 316 317 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 318 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 319 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 320 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 321 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 322 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 323 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 324 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 325 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 326 327 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 328 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 329 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 330 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 331 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 332 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 333 } 334 335 /** 336 * Keyguard features that when set on a profile affect the profile content or challenge only. 337 * These cannot be set on the managed profile's parent DPM instance 338 */ 339 private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = 340 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 341 342 /** Keyguard features that are allowed to be set on a managed profile */ 343 private static final int PROFILE_KEYGUARD_FEATURES = 344 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; 345 346 private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; 347 348 /** 349 * Minimum timeout in milliseconds after which unlocking with weak auth times out, 350 * i.e. the user has to use a strong authentication method like password, PIN or pattern. 351 */ 352 private static final long MINIMUM_STRONG_AUTH_TIMEOUT_MS = TimeUnit.HOURS.toMillis(1); 353 354 /** 355 * Strings logged with {@link 356 * com.android.internal.logging.nano.MetricsProto.MetricsEvent#PROVISIONING_ENTRY_POINT_ADB}. 357 */ 358 private static final String LOG_TAG_PROFILE_OWNER = "profile-owner"; 359 private static final String LOG_TAG_DEVICE_OWNER = "device-owner"; 360 361 final Context mContext; 362 final Injector mInjector; 363 final IPackageManager mIPackageManager; 364 final UserManager mUserManager; 365 final UserManagerInternal mUserManagerInternal; 366 final TelephonyManager mTelephonyManager; 367 private final LockPatternUtils mLockPatternUtils; 368 369 /** 370 * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p 371 * is requested for user u. 372 */ 373 private final Set<Pair<String, Integer>> mPackagesToRemove = 374 new ArraySet<Pair<String, Integer>>(); 375 376 final LocalService mLocalService; 377 378 // Stores and loads state on device and profile owners. 379 @VisibleForTesting 380 final Owners mOwners; 381 382 private final Binder mToken = new Binder(); 383 384 /** 385 * Whether or not device admin feature is supported. If it isn't return defaults for all 386 * public methods. 387 */ 388 boolean mHasFeature; 389 390 /** 391 * Whether or not this device is a watch. 392 */ 393 boolean mIsWatch; 394 395 private final SecurityLogMonitor mSecurityLogMonitor; 396 private NetworkLogger mNetworkLogger; 397 398 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 399 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 400 401 private SetupContentObserver mSetupContentObserver; 402 403 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 404 @Override 405 public void run() { 406 if(mRemoteBugreportServiceIsActive.get()) { 407 onBugreportFailed(); 408 } 409 } 410 }; 411 412 /** Listens only if mHasFeature == true. */ 413 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 414 415 @Override 416 public void onReceive(Context context, Intent intent) { 417 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 418 && mRemoteBugreportServiceIsActive.get()) { 419 onBugreportFinished(intent); 420 } 421 } 422 }; 423 424 /** Listens only if mHasFeature == true. */ 425 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 426 427 @Override 428 public void onReceive(Context context, Intent intent) { 429 String action = intent.getAction(); 430 mInjector.getNotificationManager().cancel(LOG_TAG, 431 RemoteBugreportUtils.NOTIFICATION_ID); 432 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 433 onBugreportSharingAccepted(); 434 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 435 onBugreportSharingDeclined(); 436 } 437 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 438 } 439 }; 440 441 public static final class Lifecycle extends SystemService { 442 private DevicePolicyManagerService mService; 443 444 public Lifecycle(Context context) { 445 super(context); 446 mService = new DevicePolicyManagerService(context); 447 } 448 449 @Override 450 public void onStart() { 451 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 452 } 453 454 @Override 455 public void onBootPhase(int phase) { 456 mService.systemReady(phase); 457 } 458 459 @Override 460 public void onStartUser(int userHandle) { 461 mService.onStartUser(userHandle); 462 } 463 } 464 465 public static class DevicePolicyData { 466 @NonNull PasswordMetrics mActivePasswordMetrics = new PasswordMetrics(); 467 int mFailedPasswordAttempts = 0; 468 469 int mUserHandle; 470 int mPasswordOwner = -1; 471 long mLastMaximumTimeToLock = -1; 472 boolean mUserSetupComplete = false; 473 boolean mPaired = false; 474 int mUserProvisioningState; 475 int mPermissionPolicy; 476 477 boolean mDeviceProvisioningConfigApplied = false; 478 479 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 480 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 481 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 482 483 final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); 484 485 // This is the list of component allowed to start lock task mode. 486 List<String> mLockTaskPackages = new ArrayList<>(); 487 488 boolean mStatusBarDisabled = false; 489 490 ComponentName mRestrictionsProvider; 491 492 // Map of delegate package to delegation scopes 493 final ArrayMap<String, List<String>> mDelegationMap = new ArrayMap<>(); 494 495 boolean doNotAskCredentialsOnBoot = false; 496 497 Set<String> mAffiliationIds = new ArraySet<>(); 498 499 long mLastSecurityLogRetrievalTime = -1; 500 501 long mLastBugReportRequestTime = -1; 502 503 long mLastNetworkLogsRetrievalTime = -1; 504 505 boolean mDefaultInputMethodSet = false; 506 507 // Used for initialization of users created by createAndManageUsers. 508 boolean mAdminBroadcastPending = false; 509 PersistableBundle mInitBundle = null; 510 511 long mPasswordTokenHandle = 0; 512 513 public DevicePolicyData(int userHandle) { 514 mUserHandle = userHandle; 515 } 516 } 517 518 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 519 520 final Handler mHandler; 521 522 /** Listens on any device, even when mHasFeature == false. */ 523 final BroadcastReceiver mRootCaReceiver = new BroadcastReceiver() { 524 @Override 525 public void onReceive(Context context, Intent intent) { 526 if (StorageManager.inCryptKeeperBounce()) { 527 return; 528 } 529 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, getSendingUserId()); 530 new MonitoringCertNotificationTask(DevicePolicyManagerService.this, mInjector) 531 .execute(userHandle); 532 } 533 }; 534 535 /** Listens only if mHasFeature == true. */ 536 final BroadcastReceiver mReceiver = new BroadcastReceiver() { 537 @Override 538 public void onReceive(Context context, Intent intent) { 539 final String action = intent.getAction(); 540 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 541 getSendingUserId()); 542 543 /* 544 * Network logging would ideally be started in setDeviceOwnerSystemPropertyLocked(), 545 * however it's too early in the boot process to register with IIpConnectivityMetrics 546 * to listen for events. 547 */ 548 if (Intent.ACTION_USER_STARTED.equals(action) 549 && userHandle == mOwners.getDeviceOwnerUserId()) { 550 synchronized (DevicePolicyManagerService.this) { 551 if (isNetworkLoggingEnabledInternalLocked()) { 552 setNetworkLoggingActiveInternal(true); 553 } 554 } 555 } 556 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 557 && userHandle == mOwners.getDeviceOwnerUserId() 558 && getDeviceOwnerRemoteBugreportUri() != null) { 559 IntentFilter filterConsent = new IntentFilter(); 560 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 561 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 562 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 563 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 564 RemoteBugreportUtils.NOTIFICATION_ID, 565 RemoteBugreportUtils.buildNotification(mContext, 566 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 567 UserHandle.ALL); 568 } 569 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 570 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 571 if (VERBOSE_LOG) { 572 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 573 + action + " for user " + userHandle); 574 } 575 mHandler.post(new Runnable() { 576 @Override 577 public void run() { 578 handlePasswordExpirationNotification(userHandle); 579 } 580 }); 581 } 582 583 if (Intent.ACTION_USER_ADDED.equals(action)) { 584 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_ADDED, userHandle); 585 synchronized (DevicePolicyManagerService.this) { 586 // It might take a while for the user to become affiliated. Make security 587 // and network logging unavailable in the meantime. 588 maybePauseDeviceWideLoggingLocked(); 589 } 590 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 591 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_REMOVED, userHandle); 592 synchronized (DevicePolicyManagerService.this) { 593 // Check whether the user is affiliated, *before* removing its data. 594 boolean isRemovedUserAffiliated = isUserAffiliatedWithDeviceLocked(userHandle); 595 removeUserData(userHandle); 596 if (!isRemovedUserAffiliated) { 597 // We discard the logs when unaffiliated users are deleted (so that the 598 // device owner cannot retrieve data about that user after it's gone). 599 discardDeviceWideLogsLocked(); 600 // Resume logging if all remaining users are affiliated. 601 maybeResumeDeviceWideLoggingLocked(); 602 } 603 } 604 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 605 synchronized (DevicePolicyManagerService.this) { 606 // Reset the policy data 607 mUserData.remove(userHandle); 608 sendAdminEnabledBroadcastLocked(userHandle); 609 } 610 handlePackagesChanged(null /* check all admins */, userHandle); 611 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 612 handlePackagesChanged(null /* check all admins */, userHandle); 613 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 614 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 615 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 616 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 617 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 618 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 619 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 620 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 621 clearWipeProfileNotification(); 622 } 623 } 624 625 private void sendUserAddedOrRemovedCommand(String action, int userHandle) { 626 synchronized (DevicePolicyManagerService.this) { 627 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 628 if (deviceOwner != null) { 629 Bundle extras = new Bundle(); 630 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 631 sendAdminCommandLocked(deviceOwner, action, extras, null); 632 } 633 } 634 } 635 }; 636 637 static class ActiveAdmin { 638 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 639 private static final String TAG_TEST_ONLY_ADMIN = "test-only-admin"; 640 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 641 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 642 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 643 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 644 = "disable-bt-contacts-sharing"; 645 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 646 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 647 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 648 private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; 649 private static final String TAG_IS_NETWORK_LOGGING_ENABLED = "is_network_logging_enabled"; 650 private static final String TAG_ACCOUNT_TYPE = "account-type"; 651 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 652 = "permitted-accessiblity-services"; 653 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 654 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 655 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 656 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 657 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 658 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 659 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 660 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 661 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 662 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 663 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 664 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 665 private static final String TAG_STRONG_AUTH_UNLOCK_TIMEOUT = "strong-auth-unlock-timeout"; 666 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 667 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 668 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 669 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 670 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 671 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 672 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 673 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 674 private static final String ATTR_VALUE = "value"; 675 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 676 private static final String TAG_POLICIES = "policies"; 677 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 678 "cross-profile-widget-providers"; 679 private static final String TAG_PROVIDER = "provider"; 680 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 681 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 682 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 683 private static final String TAG_DEFAULT_ENABLED_USER_RESTRICTIONS = 684 "default-enabled-user-restrictions"; 685 private static final String TAG_RESTRICTION = "restriction"; 686 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 687 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 688 private static final String TAG_PARENT_ADMIN = "parent-admin"; 689 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 690 private static final String TAG_ORGANIZATION_NAME = "organization-name"; 691 private static final String ATTR_LAST_NETWORK_LOGGING_NOTIFICATION = "last-notification"; 692 private static final String ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS = "num-notifications"; 693 694 final DeviceAdminInfo info; 695 696 697 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 698 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 699 700 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 701 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 702 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 703 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 704 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 705 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 706 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 707 @NonNull 708 PasswordMetrics minimumPasswordMetrics = new PasswordMetrics( 709 DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, DEF_MINIMUM_PASSWORD_LENGTH, 710 DEF_MINIMUM_PASSWORD_LETTERS, DEF_MINIMUM_PASSWORD_UPPER_CASE, 711 DEF_MINIMUM_PASSWORD_LOWER_CASE, DEF_MINIMUM_PASSWORD_NUMERIC, 712 DEF_MINIMUM_PASSWORD_SYMBOLS, DEF_MINIMUM_PASSWORD_NON_LETTER); 713 714 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 715 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 716 717 long strongAuthUnlockTimeout = 0; // admin doesn't participate by default 718 719 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 720 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 721 722 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 723 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 724 725 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 726 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 727 728 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 729 730 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 731 732 boolean encryptionRequested = false; 733 boolean testOnlyAdmin = false; 734 boolean disableCamera = false; 735 boolean disableCallerId = false; 736 boolean disableContactsSearch = false; 737 boolean disableBluetoothContactSharing = true; 738 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 739 boolean requireAutoTime = false; // Can only be set by a device owner. 740 boolean forceEphemeralUsers = false; // Can only be set by a device owner. 741 boolean isNetworkLoggingEnabled = false; // Can only be set by a device owner. 742 743 // one notification after enabling + 3 more after reboots 744 static final int DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN = 4; 745 int numNetworkLoggingNotifications = 0; 746 long lastNetworkLoggingNotificationTimeMs = 0; // Time in milliseconds since epoch 747 748 ActiveAdmin parentAdmin; 749 final boolean isParent; 750 751 static class TrustAgentInfo { 752 public PersistableBundle options; 753 TrustAgentInfo(PersistableBundle bundle) { 754 options = bundle; 755 } 756 } 757 758 final Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 759 760 // The list of permitted accessibility services package namesas set by a profile 761 // or device owner. Null means all accessibility services are allowed, empty means 762 // none except system services are allowed. 763 List<String> permittedAccessiblityServices; 764 765 // The list of permitted input methods package names as set by a profile or device owner. 766 // Null means all input methods are allowed, empty means none except system imes are 767 // allowed. 768 List<String> permittedInputMethods; 769 770 // List of package names to keep cached. 771 List<String> keepUninstalledPackages; 772 773 // TODO: review implementation decisions with frameworks team 774 boolean specifiesGlobalProxy = false; 775 String globalProxySpec = null; 776 String globalProxyExclusionList = null; 777 778 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 779 780 List<String> crossProfileWidgetProviders; 781 782 Bundle userRestrictions; 783 784 // User restrictions that have already been enabled by default for this admin (either when 785 // setting the device or profile owner, or during a system update if one of those "enabled 786 // by default" restrictions is newly added). 787 final Set<String> defaultEnabledRestrictionsAlreadySet = new ArraySet<>(); 788 789 // Support text provided by the admin to display to the user. 790 CharSequence shortSupportMessage = null; 791 CharSequence longSupportMessage = null; 792 793 // Background color of confirm credentials screen. Default: teal. 794 static final int DEF_ORGANIZATION_COLOR = Color.parseColor("#00796B"); 795 int organizationColor = DEF_ORGANIZATION_COLOR; 796 797 // Default title of confirm credentials screen 798 String organizationName = null; 799 800 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 801 info = _info; 802 isParent = parent; 803 } 804 805 ActiveAdmin getParentActiveAdmin() { 806 Preconditions.checkState(!isParent); 807 808 if (parentAdmin == null) { 809 parentAdmin = new ActiveAdmin(info, /* parent */ true); 810 } 811 return parentAdmin; 812 } 813 814 boolean hasParentActiveAdmin() { 815 return parentAdmin != null; 816 } 817 818 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 819 820 public UserHandle getUserHandle() { 821 return UserHandle.of(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 822 } 823 824 void writeToXml(XmlSerializer out) 825 throws IllegalArgumentException, IllegalStateException, IOException { 826 out.startTag(null, TAG_POLICIES); 827 info.writePoliciesToXml(out); 828 out.endTag(null, TAG_POLICIES); 829 if (minimumPasswordMetrics.quality 830 != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 831 out.startTag(null, TAG_PASSWORD_QUALITY); 832 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.quality)); 833 out.endTag(null, TAG_PASSWORD_QUALITY); 834 if (minimumPasswordMetrics.length != DEF_MINIMUM_PASSWORD_LENGTH) { 835 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 836 out.attribute( 837 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.length)); 838 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 839 } 840 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 841 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 842 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 843 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 844 } 845 if (minimumPasswordMetrics.upperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 846 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 847 out.attribute( 848 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.upperCase)); 849 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 850 } 851 if (minimumPasswordMetrics.lowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 852 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 853 out.attribute( 854 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.lowerCase)); 855 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 856 } 857 if (minimumPasswordMetrics.letters != DEF_MINIMUM_PASSWORD_LETTERS) { 858 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 859 out.attribute( 860 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.letters)); 861 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 862 } 863 if (minimumPasswordMetrics.numeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 864 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 865 out.attribute( 866 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.numeric)); 867 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 868 } 869 if (minimumPasswordMetrics.symbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 870 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 871 out.attribute( 872 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.symbols)); 873 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 874 } 875 if (minimumPasswordMetrics.nonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 876 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 877 out.attribute( 878 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.nonLetter)); 879 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 880 } 881 } 882 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 883 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 884 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 885 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 886 } 887 if (strongAuthUnlockTimeout != DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 888 out.startTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 889 out.attribute(null, ATTR_VALUE, Long.toString(strongAuthUnlockTimeout)); 890 out.endTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 891 } 892 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 893 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 894 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 895 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 896 } 897 if (specifiesGlobalProxy) { 898 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 899 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 900 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 901 if (globalProxySpec != null) { 902 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 903 out.attribute(null, ATTR_VALUE, globalProxySpec); 904 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 905 } 906 if (globalProxyExclusionList != null) { 907 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 908 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 909 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 910 } 911 } 912 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 913 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 914 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 915 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 916 } 917 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 918 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 919 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 920 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 921 } 922 if (encryptionRequested) { 923 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 924 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 925 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 926 } 927 if (testOnlyAdmin) { 928 out.startTag(null, TAG_TEST_ONLY_ADMIN); 929 out.attribute(null, ATTR_VALUE, Boolean.toString(testOnlyAdmin)); 930 out.endTag(null, TAG_TEST_ONLY_ADMIN); 931 } 932 if (disableCamera) { 933 out.startTag(null, TAG_DISABLE_CAMERA); 934 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 935 out.endTag(null, TAG_DISABLE_CAMERA); 936 } 937 if (disableCallerId) { 938 out.startTag(null, TAG_DISABLE_CALLER_ID); 939 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 940 out.endTag(null, TAG_DISABLE_CALLER_ID); 941 } 942 if (disableContactsSearch) { 943 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 944 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 945 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 946 } 947 if (!disableBluetoothContactSharing) { 948 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 949 out.attribute(null, ATTR_VALUE, 950 Boolean.toString(disableBluetoothContactSharing)); 951 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 952 } 953 if (disableScreenCapture) { 954 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 955 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 956 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 957 } 958 if (requireAutoTime) { 959 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 960 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 961 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 962 } 963 if (forceEphemeralUsers) { 964 out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); 965 out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); 966 out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); 967 } 968 if (isNetworkLoggingEnabled) { 969 out.startTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 970 out.attribute(null, ATTR_VALUE, Boolean.toString(isNetworkLoggingEnabled)); 971 out.attribute(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS, 972 Integer.toString(numNetworkLoggingNotifications)); 973 out.attribute(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION, 974 Long.toString(lastNetworkLoggingNotificationTimeMs)); 975 out.endTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 976 } 977 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 978 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 979 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 980 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 981 } 982 if (!accountTypesWithManagementDisabled.isEmpty()) { 983 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 984 writeAttributeValuesToXml( 985 out, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 986 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 987 } 988 if (!trustAgentInfos.isEmpty()) { 989 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 990 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 991 for (Entry<String, TrustAgentInfo> entry : set) { 992 TrustAgentInfo trustAgentInfo = entry.getValue(); 993 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 994 out.attribute(null, ATTR_VALUE, entry.getKey()); 995 if (trustAgentInfo.options != null) { 996 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 997 try { 998 trustAgentInfo.options.saveToXml(out); 999 } catch (XmlPullParserException e) { 1000 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 1001 } 1002 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 1003 } 1004 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 1005 } 1006 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 1007 } 1008 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 1009 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 1010 writeAttributeValuesToXml(out, TAG_PROVIDER, crossProfileWidgetProviders); 1011 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 1012 } 1013 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 1014 permittedAccessiblityServices); 1015 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 1016 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 1017 if (hasUserRestrictions()) { 1018 UserRestrictionsUtils.writeRestrictions( 1019 out, userRestrictions, TAG_USER_RESTRICTIONS); 1020 } 1021 if (!defaultEnabledRestrictionsAlreadySet.isEmpty()) { 1022 out.startTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 1023 writeAttributeValuesToXml( 1024 out, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 1025 out.endTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 1026 } 1027 if (!TextUtils.isEmpty(shortSupportMessage)) { 1028 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 1029 out.text(shortSupportMessage.toString()); 1030 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 1031 } 1032 if (!TextUtils.isEmpty(longSupportMessage)) { 1033 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 1034 out.text(longSupportMessage.toString()); 1035 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 1036 } 1037 if (parentAdmin != null) { 1038 out.startTag(null, TAG_PARENT_ADMIN); 1039 parentAdmin.writeToXml(out); 1040 out.endTag(null, TAG_PARENT_ADMIN); 1041 } 1042 if (organizationColor != DEF_ORGANIZATION_COLOR) { 1043 out.startTag(null, TAG_ORGANIZATION_COLOR); 1044 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 1045 out.endTag(null, TAG_ORGANIZATION_COLOR); 1046 } 1047 if (organizationName != null) { 1048 out.startTag(null, TAG_ORGANIZATION_NAME); 1049 out.text(organizationName); 1050 out.endTag(null, TAG_ORGANIZATION_NAME); 1051 } 1052 } 1053 1054 void writePackageListToXml(XmlSerializer out, String outerTag, 1055 List<String> packageList) 1056 throws IllegalArgumentException, IllegalStateException, IOException { 1057 if (packageList == null) { 1058 return; 1059 } 1060 1061 out.startTag(null, outerTag); 1062 writeAttributeValuesToXml(out, TAG_PACKAGE_LIST_ITEM, packageList); 1063 out.endTag(null, outerTag); 1064 } 1065 1066 void writeAttributeValuesToXml(XmlSerializer out, String tag, 1067 @NonNull Collection<String> values) throws IOException { 1068 for (String value : values) { 1069 out.startTag(null, tag); 1070 out.attribute(null, ATTR_VALUE, value); 1071 out.endTag(null, tag); 1072 } 1073 } 1074 1075 void readFromXml(XmlPullParser parser) 1076 throws XmlPullParserException, IOException { 1077 int outerDepth = parser.getDepth(); 1078 int type; 1079 while ((type=parser.next()) != END_DOCUMENT 1080 && (type != END_TAG || parser.getDepth() > outerDepth)) { 1081 if (type == END_TAG || type == TEXT) { 1082 continue; 1083 } 1084 String tag = parser.getName(); 1085 if (TAG_POLICIES.equals(tag)) { 1086 info.readPoliciesFromXml(parser); 1087 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 1088 minimumPasswordMetrics.quality = Integer.parseInt( 1089 parser.getAttributeValue(null, ATTR_VALUE)); 1090 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 1091 minimumPasswordMetrics.length = Integer.parseInt( 1092 parser.getAttributeValue(null, ATTR_VALUE)); 1093 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 1094 passwordHistoryLength = Integer.parseInt( 1095 parser.getAttributeValue(null, ATTR_VALUE)); 1096 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 1097 minimumPasswordMetrics.upperCase = Integer.parseInt( 1098 parser.getAttributeValue(null, ATTR_VALUE)); 1099 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 1100 minimumPasswordMetrics.lowerCase = Integer.parseInt( 1101 parser.getAttributeValue(null, ATTR_VALUE)); 1102 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 1103 minimumPasswordMetrics.letters = Integer.parseInt( 1104 parser.getAttributeValue(null, ATTR_VALUE)); 1105 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 1106 minimumPasswordMetrics.numeric = Integer.parseInt( 1107 parser.getAttributeValue(null, ATTR_VALUE)); 1108 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 1109 minimumPasswordMetrics.symbols = Integer.parseInt( 1110 parser.getAttributeValue(null, ATTR_VALUE)); 1111 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 1112 minimumPasswordMetrics.nonLetter = Integer.parseInt( 1113 parser.getAttributeValue(null, ATTR_VALUE)); 1114 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 1115 maximumTimeToUnlock = Long.parseLong( 1116 parser.getAttributeValue(null, ATTR_VALUE)); 1117 } else if (TAG_STRONG_AUTH_UNLOCK_TIMEOUT.equals(tag)) { 1118 strongAuthUnlockTimeout = Long.parseLong( 1119 parser.getAttributeValue(null, ATTR_VALUE)); 1120 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 1121 maximumFailedPasswordsForWipe = Integer.parseInt( 1122 parser.getAttributeValue(null, ATTR_VALUE)); 1123 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 1124 specifiesGlobalProxy = Boolean.parseBoolean( 1125 parser.getAttributeValue(null, ATTR_VALUE)); 1126 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 1127 globalProxySpec = 1128 parser.getAttributeValue(null, ATTR_VALUE); 1129 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 1130 globalProxyExclusionList = 1131 parser.getAttributeValue(null, ATTR_VALUE); 1132 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 1133 passwordExpirationTimeout = Long.parseLong( 1134 parser.getAttributeValue(null, ATTR_VALUE)); 1135 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 1136 passwordExpirationDate = Long.parseLong( 1137 parser.getAttributeValue(null, ATTR_VALUE)); 1138 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 1139 encryptionRequested = Boolean.parseBoolean( 1140 parser.getAttributeValue(null, ATTR_VALUE)); 1141 } else if (TAG_TEST_ONLY_ADMIN.equals(tag)) { 1142 testOnlyAdmin = Boolean.parseBoolean( 1143 parser.getAttributeValue(null, ATTR_VALUE)); 1144 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 1145 disableCamera = Boolean.parseBoolean( 1146 parser.getAttributeValue(null, ATTR_VALUE)); 1147 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 1148 disableCallerId = Boolean.parseBoolean( 1149 parser.getAttributeValue(null, ATTR_VALUE)); 1150 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 1151 disableContactsSearch = Boolean.parseBoolean( 1152 parser.getAttributeValue(null, ATTR_VALUE)); 1153 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 1154 disableBluetoothContactSharing = Boolean.parseBoolean(parser 1155 .getAttributeValue(null, ATTR_VALUE)); 1156 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 1157 disableScreenCapture = Boolean.parseBoolean( 1158 parser.getAttributeValue(null, ATTR_VALUE)); 1159 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 1160 requireAutoTime = Boolean.parseBoolean( 1161 parser.getAttributeValue(null, ATTR_VALUE)); 1162 } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) { 1163 forceEphemeralUsers = Boolean.parseBoolean( 1164 parser.getAttributeValue(null, ATTR_VALUE)); 1165 } else if (TAG_IS_NETWORK_LOGGING_ENABLED.equals(tag)) { 1166 isNetworkLoggingEnabled = Boolean.parseBoolean( 1167 parser.getAttributeValue(null, ATTR_VALUE)); 1168 lastNetworkLoggingNotificationTimeMs = Long.parseLong( 1169 parser.getAttributeValue(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION)); 1170 numNetworkLoggingNotifications = Integer.parseInt( 1171 parser.getAttributeValue(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS)); 1172 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 1173 disabledKeyguardFeatures = Integer.parseInt( 1174 parser.getAttributeValue(null, ATTR_VALUE)); 1175 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 1176 readAttributeValues( 1177 parser, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 1178 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 1179 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 1180 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 1181 crossProfileWidgetProviders = new ArrayList<>(); 1182 readAttributeValues(parser, TAG_PROVIDER, crossProfileWidgetProviders); 1183 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 1184 permittedAccessiblityServices = readPackageList(parser, tag); 1185 } else if (TAG_PERMITTED_IMES.equals(tag)) { 1186 permittedInputMethods = readPackageList(parser, tag); 1187 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 1188 keepUninstalledPackages = readPackageList(parser, tag); 1189 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 1190 userRestrictions = UserRestrictionsUtils.readRestrictions(parser); 1191 } else if (TAG_DEFAULT_ENABLED_USER_RESTRICTIONS.equals(tag)) { 1192 readAttributeValues( 1193 parser, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 1194 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 1195 type = parser.next(); 1196 if (type == XmlPullParser.TEXT) { 1197 shortSupportMessage = parser.getText(); 1198 } else { 1199 Log.w(LOG_TAG, "Missing text when loading short support message"); 1200 } 1201 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 1202 type = parser.next(); 1203 if (type == XmlPullParser.TEXT) { 1204 longSupportMessage = parser.getText(); 1205 } else { 1206 Log.w(LOG_TAG, "Missing text when loading long support message"); 1207 } 1208 } else if (TAG_PARENT_ADMIN.equals(tag)) { 1209 Preconditions.checkState(!isParent); 1210 1211 parentAdmin = new ActiveAdmin(info, /* parent */ true); 1212 parentAdmin.readFromXml(parser); 1213 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 1214 organizationColor = Integer.parseInt( 1215 parser.getAttributeValue(null, ATTR_VALUE)); 1216 } else if (TAG_ORGANIZATION_NAME.equals(tag)) { 1217 type = parser.next(); 1218 if (type == XmlPullParser.TEXT) { 1219 organizationName = parser.getText(); 1220 } else { 1221 Log.w(LOG_TAG, "Missing text when loading organization name"); 1222 } 1223 } else { 1224 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 1225 XmlUtils.skipCurrentTag(parser); 1226 } 1227 } 1228 } 1229 1230 private List<String> readPackageList(XmlPullParser parser, 1231 String tag) throws XmlPullParserException, IOException { 1232 List<String> result = new ArrayList<String>(); 1233 int outerDepth = parser.getDepth(); 1234 int outerType; 1235 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 1236 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1237 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 1238 continue; 1239 } 1240 String outerTag = parser.getName(); 1241 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 1242 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 1243 if (packageName != null) { 1244 result.add(packageName); 1245 } else { 1246 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 1247 } 1248 } else { 1249 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 1250 } 1251 } 1252 return result; 1253 } 1254 1255 private void readAttributeValues( 1256 XmlPullParser parser, String tag, Collection<String> result) 1257 throws XmlPullParserException, IOException { 1258 result.clear(); 1259 int outerDepthDAM = parser.getDepth(); 1260 int typeDAM; 1261 while ((typeDAM=parser.next()) != END_DOCUMENT 1262 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1263 if (typeDAM == END_TAG || typeDAM == TEXT) { 1264 continue; 1265 } 1266 String tagDAM = parser.getName(); 1267 if (tag.equals(tagDAM)) { 1268 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1269 } else { 1270 Slog.e(LOG_TAG, "Expected tag " + tag + " but found " + tagDAM); 1271 } 1272 } 1273 } 1274 1275 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1276 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1277 int outerDepthDAM = parser.getDepth(); 1278 int typeDAM; 1279 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1280 while ((typeDAM=parser.next()) != END_DOCUMENT 1281 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1282 if (typeDAM == END_TAG || typeDAM == TEXT) { 1283 continue; 1284 } 1285 String tagDAM = parser.getName(); 1286 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1287 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1288 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1289 result.put(component, trustAgentInfo); 1290 } else { 1291 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1292 } 1293 } 1294 return result; 1295 } 1296 1297 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1298 throws XmlPullParserException, IOException { 1299 int outerDepthDAM = parser.getDepth(); 1300 int typeDAM; 1301 TrustAgentInfo result = new TrustAgentInfo(null); 1302 while ((typeDAM=parser.next()) != END_DOCUMENT 1303 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1304 if (typeDAM == END_TAG || typeDAM == TEXT) { 1305 continue; 1306 } 1307 String tagDAM = parser.getName(); 1308 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1309 result.options = PersistableBundle.restoreFromXml(parser); 1310 } else { 1311 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1312 } 1313 } 1314 return result; 1315 } 1316 1317 boolean hasUserRestrictions() { 1318 return userRestrictions != null && userRestrictions.size() > 0; 1319 } 1320 1321 Bundle ensureUserRestrictions() { 1322 if (userRestrictions == null) { 1323 userRestrictions = new Bundle(); 1324 } 1325 return userRestrictions; 1326 } 1327 1328 void dump(String prefix, PrintWriter pw) { 1329 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1330 pw.print(prefix); pw.print("testOnlyAdmin="); 1331 pw.println(testOnlyAdmin); 1332 pw.print(prefix); pw.println("policies:"); 1333 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1334 if (pols != null) { 1335 for (int i=0; i<pols.size(); i++) { 1336 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1337 } 1338 } 1339 pw.print(prefix); pw.print("passwordQuality=0x"); 1340 pw.println(Integer.toHexString(minimumPasswordMetrics.quality)); 1341 pw.print(prefix); pw.print("minimumPasswordLength="); 1342 pw.println(minimumPasswordMetrics.length); 1343 pw.print(prefix); pw.print("passwordHistoryLength="); 1344 pw.println(passwordHistoryLength); 1345 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1346 pw.println(minimumPasswordMetrics.upperCase); 1347 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1348 pw.println(minimumPasswordMetrics.lowerCase); 1349 pw.print(prefix); pw.print("minimumPasswordLetters="); 1350 pw.println(minimumPasswordMetrics.letters); 1351 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1352 pw.println(minimumPasswordMetrics.numeric); 1353 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1354 pw.println(minimumPasswordMetrics.symbols); 1355 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1356 pw.println(minimumPasswordMetrics.nonLetter); 1357 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1358 pw.println(maximumTimeToUnlock); 1359 pw.print(prefix); pw.print("strongAuthUnlockTimeout="); 1360 pw.println(strongAuthUnlockTimeout); 1361 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1362 pw.println(maximumFailedPasswordsForWipe); 1363 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1364 pw.println(specifiesGlobalProxy); 1365 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1366 pw.println(passwordExpirationTimeout); 1367 pw.print(prefix); pw.print("passwordExpirationDate="); 1368 pw.println(passwordExpirationDate); 1369 if (globalProxySpec != null) { 1370 pw.print(prefix); pw.print("globalProxySpec="); 1371 pw.println(globalProxySpec); 1372 } 1373 if (globalProxyExclusionList != null) { 1374 pw.print(prefix); pw.print("globalProxyEclusionList="); 1375 pw.println(globalProxyExclusionList); 1376 } 1377 pw.print(prefix); pw.print("encryptionRequested="); 1378 pw.println(encryptionRequested); 1379 pw.print(prefix); pw.print("disableCamera="); 1380 pw.println(disableCamera); 1381 pw.print(prefix); pw.print("disableCallerId="); 1382 pw.println(disableCallerId); 1383 pw.print(prefix); pw.print("disableContactsSearch="); 1384 pw.println(disableContactsSearch); 1385 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1386 pw.println(disableBluetoothContactSharing); 1387 pw.print(prefix); pw.print("disableScreenCapture="); 1388 pw.println(disableScreenCapture); 1389 pw.print(prefix); pw.print("requireAutoTime="); 1390 pw.println(requireAutoTime); 1391 pw.print(prefix); pw.print("forceEphemeralUsers="); 1392 pw.println(forceEphemeralUsers); 1393 pw.print(prefix); pw.print("isNetworkLoggingEnabled="); 1394 pw.println(isNetworkLoggingEnabled); 1395 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1396 pw.println(disabledKeyguardFeatures); 1397 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1398 pw.println(crossProfileWidgetProviders); 1399 if (permittedAccessiblityServices != null) { 1400 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1401 pw.println(permittedAccessiblityServices); 1402 } 1403 if (permittedInputMethods != null) { 1404 pw.print(prefix); pw.print("permittedInputMethods="); 1405 pw.println(permittedInputMethods); 1406 } 1407 if (keepUninstalledPackages != null) { 1408 pw.print(prefix); pw.print("keepUninstalledPackages="); 1409 pw.println(keepUninstalledPackages); 1410 } 1411 pw.print(prefix); pw.print("organizationColor="); 1412 pw.println(organizationColor); 1413 if (organizationName != null) { 1414 pw.print(prefix); pw.print("organizationName="); 1415 pw.println(organizationName); 1416 } 1417 pw.print(prefix); pw.println("userRestrictions:"); 1418 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1419 pw.print(prefix); pw.print("defaultEnabledRestrictionsAlreadySet="); 1420 pw.println(defaultEnabledRestrictionsAlreadySet); 1421 pw.print(prefix); pw.print("isParent="); 1422 pw.println(isParent); 1423 if (parentAdmin != null) { 1424 pw.print(prefix); pw.println("parentAdmin:"); 1425 parentAdmin.dump(prefix + " ", pw); 1426 } 1427 } 1428 } 1429 1430 private void handlePackagesChanged(String packageName, int userHandle) { 1431 boolean removedAdmin = false; 1432 if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 1433 DevicePolicyData policy = getUserData(userHandle); 1434 synchronized (this) { 1435 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1436 ActiveAdmin aa = policy.mAdminList.get(i); 1437 try { 1438 // If we're checking all packages or if the specific one we're checking matches, 1439 // then check if the package and receiver still exist. 1440 final String adminPackage = aa.info.getPackageName(); 1441 if (packageName == null || packageName.equals(adminPackage)) { 1442 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1443 || mIPackageManager.getReceiverInfo(aa.info.getComponent(), 1444 PackageManager.MATCH_DIRECT_BOOT_AWARE 1445 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 1446 userHandle) == null) { 1447 removedAdmin = true; 1448 policy.mAdminList.remove(i); 1449 policy.mAdminMap.remove(aa.info.getComponent()); 1450 } 1451 } 1452 } catch (RemoteException re) { 1453 // Shouldn't happen. 1454 } 1455 } 1456 if (removedAdmin) { 1457 validatePasswordOwnerLocked(policy); 1458 } 1459 1460 boolean removedDelegate = false; 1461 1462 // Check if a delegate was removed. 1463 for (int i = policy.mDelegationMap.size() - 1; i >= 0; i--) { 1464 final String delegatePackage = policy.mDelegationMap.keyAt(i); 1465 if (isRemovedPackage(packageName, delegatePackage, userHandle)) { 1466 policy.mDelegationMap.removeAt(i); 1467 removedDelegate = true; 1468 } 1469 } 1470 1471 // Persist updates if the removed package was an admin or delegate. 1472 if (removedAdmin || removedDelegate) { 1473 saveSettingsLocked(policy.mUserHandle); 1474 } 1475 } 1476 if (removedAdmin) { 1477 // The removed admin might have disabled camera, so update user restrictions. 1478 pushUserRestrictions(userHandle); 1479 } 1480 } 1481 1482 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1483 try { 1484 return targetPackage != null 1485 && (changedPackage == null || changedPackage.equals(targetPackage)) 1486 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1487 } catch (RemoteException e) { 1488 // Shouldn't happen 1489 } 1490 1491 return false; 1492 } 1493 1494 /** 1495 * Unit test will subclass it to inject mocks. 1496 */ 1497 @VisibleForTesting 1498 static class Injector { 1499 1500 private final Context mContext; 1501 1502 Injector(Context context) { 1503 mContext = context; 1504 } 1505 1506 Context createContextAsUser(UserHandle user) throws PackageManager.NameNotFoundException { 1507 final String packageName = mContext.getPackageName(); 1508 return mContext.createPackageContextAsUser(packageName, 0, user); 1509 } 1510 1511 Resources getResources() { 1512 return mContext.getResources(); 1513 } 1514 1515 Owners newOwners() { 1516 return new Owners(getUserManager(), getUserManagerInternal(), 1517 getPackageManagerInternal()); 1518 } 1519 1520 UserManager getUserManager() { 1521 return UserManager.get(mContext); 1522 } 1523 1524 UserManagerInternal getUserManagerInternal() { 1525 return LocalServices.getService(UserManagerInternal.class); 1526 } 1527 1528 PackageManagerInternal getPackageManagerInternal() { 1529 return LocalServices.getService(PackageManagerInternal.class); 1530 } 1531 1532 NotificationManager getNotificationManager() { 1533 return mContext.getSystemService(NotificationManager.class); 1534 } 1535 1536 IIpConnectivityMetrics getIIpConnectivityMetrics() { 1537 return (IIpConnectivityMetrics) IIpConnectivityMetrics.Stub.asInterface( 1538 ServiceManager.getService(IpConnectivityLog.SERVICE_NAME)); 1539 } 1540 1541 PackageManager getPackageManager() { 1542 return mContext.getPackageManager(); 1543 } 1544 1545 PowerManagerInternal getPowerManagerInternal() { 1546 return LocalServices.getService(PowerManagerInternal.class); 1547 } 1548 1549 TelephonyManager getTelephonyManager() { 1550 return TelephonyManager.from(mContext); 1551 } 1552 1553 TrustManager getTrustManager() { 1554 return (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 1555 } 1556 1557 AlarmManager getAlarmManager() { 1558 return (AlarmManager) mContext.getSystemService(AlarmManager.class); 1559 } 1560 1561 IWindowManager getIWindowManager() { 1562 return IWindowManager.Stub 1563 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1564 } 1565 1566 IActivityManager getIActivityManager() { 1567 return ActivityManager.getService(); 1568 } 1569 1570 IPackageManager getIPackageManager() { 1571 return AppGlobals.getPackageManager(); 1572 } 1573 1574 IBackupManager getIBackupManager() { 1575 return IBackupManager.Stub.asInterface( 1576 ServiceManager.getService(Context.BACKUP_SERVICE)); 1577 } 1578 1579 IAudioService getIAudioService() { 1580 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1581 } 1582 1583 boolean isBuildDebuggable() { 1584 return Build.IS_DEBUGGABLE; 1585 } 1586 1587 LockPatternUtils newLockPatternUtils() { 1588 return new LockPatternUtils(mContext); 1589 } 1590 1591 boolean storageManagerIsFileBasedEncryptionEnabled() { 1592 return StorageManager.isFileEncryptedNativeOnly(); 1593 } 1594 1595 boolean storageManagerIsNonDefaultBlockEncrypted() { 1596 long identity = Binder.clearCallingIdentity(); 1597 try { 1598 return StorageManager.isNonDefaultBlockEncrypted(); 1599 } finally { 1600 Binder.restoreCallingIdentity(identity); 1601 } 1602 } 1603 1604 boolean storageManagerIsEncrypted() { 1605 return StorageManager.isEncrypted(); 1606 } 1607 1608 boolean storageManagerIsEncryptable() { 1609 return StorageManager.isEncryptable(); 1610 } 1611 1612 Looper getMyLooper() { 1613 return Looper.myLooper(); 1614 } 1615 1616 WifiManager getWifiManager() { 1617 return mContext.getSystemService(WifiManager.class); 1618 } 1619 1620 long binderClearCallingIdentity() { 1621 return Binder.clearCallingIdentity(); 1622 } 1623 1624 void binderRestoreCallingIdentity(long token) { 1625 Binder.restoreCallingIdentity(token); 1626 } 1627 1628 int binderGetCallingUid() { 1629 return Binder.getCallingUid(); 1630 } 1631 1632 int binderGetCallingPid() { 1633 return Binder.getCallingPid(); 1634 } 1635 1636 UserHandle binderGetCallingUserHandle() { 1637 return Binder.getCallingUserHandle(); 1638 } 1639 1640 boolean binderIsCallingUidMyUid() { 1641 return getCallingUid() == Process.myUid(); 1642 } 1643 1644 final int userHandleGetCallingUserId() { 1645 return UserHandle.getUserId(binderGetCallingUid()); 1646 } 1647 1648 File environmentGetUserSystemDirectory(int userId) { 1649 return Environment.getUserSystemDirectory(userId); 1650 } 1651 1652 void powerManagerGoToSleep(long time, int reason, int flags) { 1653 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1654 } 1655 1656 void powerManagerReboot(String reason) { 1657 mContext.getSystemService(PowerManager.class).reboot(reason); 1658 } 1659 1660 void recoverySystemRebootWipeUserData(boolean shutdown, String reason, boolean force) 1661 throws IOException { 1662 RecoverySystem.rebootWipeUserData(mContext, shutdown, reason, force); 1663 } 1664 1665 boolean systemPropertiesGetBoolean(String key, boolean def) { 1666 return SystemProperties.getBoolean(key, def); 1667 } 1668 1669 long systemPropertiesGetLong(String key, long def) { 1670 return SystemProperties.getLong(key, def); 1671 } 1672 1673 String systemPropertiesGet(String key, String def) { 1674 return SystemProperties.get(key, def); 1675 } 1676 1677 String systemPropertiesGet(String key) { 1678 return SystemProperties.get(key); 1679 } 1680 1681 void systemPropertiesSet(String key, String value) { 1682 SystemProperties.set(key, value); 1683 } 1684 1685 boolean userManagerIsSplitSystemUser() { 1686 return UserManager.isSplitSystemUser(); 1687 } 1688 1689 String getDevicePolicyFilePathForSystemUser() { 1690 return "/data/system/"; 1691 } 1692 1693 void registerContentObserver(Uri uri, boolean notifyForDescendents, 1694 ContentObserver observer, int userHandle) { 1695 mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, 1696 observer, userHandle); 1697 } 1698 1699 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1700 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1701 name, def, userHandle); 1702 } 1703 1704 String settingsSecureGetStringForUser(String name, int userHandle) { 1705 return Settings.Secure.getStringForUser(mContext.getContentResolver(), name, 1706 userHandle); 1707 } 1708 1709 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1710 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1711 name, value, userHandle); 1712 } 1713 1714 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1715 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1716 name, value, userHandle); 1717 } 1718 1719 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1720 Settings.Global.putStringForUser(mContext.getContentResolver(), 1721 name, value, userHandle); 1722 } 1723 1724 void settingsSecurePutInt(String name, int value) { 1725 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1726 } 1727 1728 int settingsGlobalGetInt(String name, int def) { 1729 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1730 } 1731 1732 void settingsGlobalPutInt(String name, int value) { 1733 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1734 } 1735 1736 void settingsSecurePutString(String name, String value) { 1737 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1738 } 1739 1740 void settingsGlobalPutString(String name, String value) { 1741 Settings.Global.putString(mContext.getContentResolver(), name, value); 1742 } 1743 1744 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1745 SecurityLog.setLoggingEnabledProperty(enabled); 1746 } 1747 1748 boolean securityLogGetLoggingEnabledProperty() { 1749 return SecurityLog.getLoggingEnabledProperty(); 1750 } 1751 1752 boolean securityLogIsLoggingEnabled() { 1753 return SecurityLog.isLoggingEnabled(); 1754 } 1755 1756 KeyChainConnection keyChainBindAsUser(UserHandle user) throws InterruptedException { 1757 return KeyChain.bindAsUser(mContext, user); 1758 } 1759 } 1760 1761 /** 1762 * Instantiates the service. 1763 */ 1764 public DevicePolicyManagerService(Context context) { 1765 this(new Injector(context)); 1766 } 1767 1768 @VisibleForTesting 1769 DevicePolicyManagerService(Injector injector) { 1770 mInjector = injector; 1771 mContext = Preconditions.checkNotNull(injector.mContext); 1772 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1773 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1774 1775 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1776 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1777 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1778 mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); 1779 1780 mLocalService = new LocalService(); 1781 mLockPatternUtils = injector.newLockPatternUtils(); 1782 1783 mSecurityLogMonitor = new SecurityLogMonitor(this); 1784 1785 mHasFeature = mInjector.getPackageManager() 1786 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1787 mIsWatch = mInjector.getPackageManager() 1788 .hasSystemFeature(PackageManager.FEATURE_WATCH); 1789 1790 // Broadcast filter for changes to the trusted certificate store. These changes get a 1791 // separate intent filter so we can listen to them even when device_admin is off. 1792 IntentFilter filter = new IntentFilter(); 1793 filter.addAction(Intent.ACTION_USER_STARTED); 1794 filter.addAction(Intent.ACTION_USER_UNLOCKED); 1795 filter.addAction(KeyChain.ACTION_TRUST_STORE_CHANGED); 1796 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1797 mContext.registerReceiverAsUser(mRootCaReceiver, UserHandle.ALL, filter, null, mHandler); 1798 1799 if (!mHasFeature) { 1800 // Skip the rest of the initialization 1801 return; 1802 } 1803 1804 filter = new IntentFilter(); 1805 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1806 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1807 filter.addAction(Intent.ACTION_USER_ADDED); 1808 filter.addAction(Intent.ACTION_USER_REMOVED); 1809 filter.addAction(Intent.ACTION_USER_STARTED); 1810 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1811 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1812 filter = new IntentFilter(); 1813 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1814 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1815 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1816 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1817 filter.addDataScheme("package"); 1818 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1819 filter = new IntentFilter(); 1820 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1821 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1822 1823 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1824 1825 mSetupContentObserver = new SetupContentObserver(mHandler); 1826 } 1827 1828 /** 1829 * Creates and loads the policy data from xml. 1830 * @param userHandle the user for whom to load the policy data 1831 * @return 1832 */ 1833 @NonNull 1834 DevicePolicyData getUserData(int userHandle) { 1835 synchronized (this) { 1836 DevicePolicyData policy = mUserData.get(userHandle); 1837 if (policy == null) { 1838 policy = new DevicePolicyData(userHandle); 1839 mUserData.append(userHandle, policy); 1840 loadSettingsLocked(policy, userHandle); 1841 } 1842 return policy; 1843 } 1844 } 1845 1846 /** 1847 * Creates and loads the policy data from xml for data that is shared between 1848 * various profiles of a user. In contrast to {@link #getUserData(int)} 1849 * it allows access to data of users other than the calling user. 1850 * 1851 * This function should only be used for shared data, e.g. everything regarding 1852 * passwords and should be removed once multiple screen locks are present. 1853 * @param userHandle the user for whom to load the policy data 1854 * @return 1855 */ 1856 DevicePolicyData getUserDataUnchecked(int userHandle) { 1857 long ident = mInjector.binderClearCallingIdentity(); 1858 try { 1859 return getUserData(userHandle); 1860 } finally { 1861 mInjector.binderRestoreCallingIdentity(ident); 1862 } 1863 } 1864 1865 void removeUserData(int userHandle) { 1866 synchronized (this) { 1867 if (userHandle == UserHandle.USER_SYSTEM) { 1868 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1869 return; 1870 } 1871 mOwners.removeProfileOwner(userHandle); 1872 mOwners.writeProfileOwner(userHandle); 1873 1874 DevicePolicyData policy = mUserData.get(userHandle); 1875 if (policy != null) { 1876 mUserData.remove(userHandle); 1877 } 1878 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1879 DEVICE_POLICIES_XML); 1880 policyFile.delete(); 1881 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1882 } 1883 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1884 } 1885 1886 void loadOwners() { 1887 synchronized (this) { 1888 mOwners.load(); 1889 setDeviceOwnerSystemPropertyLocked(); 1890 findOwnerComponentIfNecessaryLocked(); 1891 migrateUserRestrictionsIfNecessaryLocked(); 1892 setDefaultEnabledUserRestrictionsIfNecessaryLocked(); 1893 1894 // TODO PO may not have a class name either due to b/17652534. Address that too. 1895 1896 updateDeviceOwnerLocked(); 1897 } 1898 } 1899 1900 private void setDefaultEnabledUserRestrictionsIfNecessaryLocked() { 1901 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 1902 if (deviceOwner != null 1903 && !UserRestrictionsUtils.getDefaultEnabledForDeviceOwner().equals( 1904 deviceOwner.defaultEnabledRestrictionsAlreadySet)) { 1905 Slog.i(LOG_TAG,"New user restrictions need to be set by default for the device owner"); 1906 1907 if (VERBOSE_LOG) { 1908 Slog.d(LOG_TAG,"Default enabled restrictions for DO: " 1909 + UserRestrictionsUtils.getDefaultEnabledForDeviceOwner() 1910 + ". Restrictions already enabled: " 1911 + deviceOwner.defaultEnabledRestrictionsAlreadySet); 1912 } 1913 1914 Set<String> restrictionsToSet = new ArraySet<>( 1915 UserRestrictionsUtils.getDefaultEnabledForDeviceOwner()); 1916 restrictionsToSet.removeAll(deviceOwner.defaultEnabledRestrictionsAlreadySet); 1917 if (!restrictionsToSet.isEmpty()) { 1918 for (String restriction : restrictionsToSet) { 1919 deviceOwner.ensureUserRestrictions().putBoolean(restriction, true); 1920 } 1921 deviceOwner.defaultEnabledRestrictionsAlreadySet.addAll(restrictionsToSet); 1922 Slog.i(LOG_TAG, 1923 "Enabled the following restrictions by default: " + restrictionsToSet); 1924 1925 saveUserRestrictionsLocked(mOwners.getDeviceOwnerUserId()); 1926 } 1927 } 1928 } 1929 1930 private void setDeviceOwnerSystemPropertyLocked() { 1931 final boolean deviceProvisioned = 1932 mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) != 0; 1933 // If the device is not provisioned and there is currently no device owner, do not set the 1934 // read-only system property yet, since Device owner may still be provisioned. For Wear 1935 // devices, if there is already a device owner then it's OK to set the property to true now, 1936 // regardless the provision state. 1937 final boolean isWatchWithDeviceOwner = mIsWatch && mOwners.hasDeviceOwner(); 1938 if (!isWatchWithDeviceOwner && !deviceProvisioned) { 1939 return; 1940 } 1941 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 1942 // always false at this point. 1943 if (StorageManager.inCryptKeeperBounce()) { 1944 return; 1945 } 1946 1947 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 1948 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 1949 } else { 1950 if (mOwners.hasDeviceOwner()) { 1951 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 1952 Slog.i(LOG_TAG, "Set ro.device_owner property to true"); 1953 1954 if (mInjector.securityLogGetLoggingEnabledProperty()) { 1955 mSecurityLogMonitor.start(); 1956 maybePauseDeviceWideLoggingLocked(); 1957 } 1958 } else { 1959 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 1960 Slog.i(LOG_TAG, "Set ro.device_owner property to false"); 1961 } 1962 } 1963 } 1964 1965 private void findOwnerComponentIfNecessaryLocked() { 1966 if (!mOwners.hasDeviceOwner()) { 1967 return; 1968 } 1969 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1970 1971 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1972 return; // Already a full component name. 1973 } 1974 1975 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1976 doComponentName.getPackageName(), 1977 mOwners.getDeviceOwnerUserId()); 1978 if (doComponent == null) { 1979 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1980 } else { 1981 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1982 doComponent, 1983 mOwners.getDeviceOwnerName(), 1984 mOwners.getDeviceOwnerUserId(), 1985 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1986 mOwners.writeDeviceOwner(); 1987 if (VERBOSE_LOG) { 1988 Log.v(LOG_TAG, "Device owner component filled in"); 1989 } 1990 } 1991 } 1992 1993 /** 1994 * We didn't use to persist user restrictions for each owners but only persisted in user 1995 * manager. 1996 */ 1997 private void migrateUserRestrictionsIfNecessaryLocked() { 1998 boolean migrated = false; 1999 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 2000 // except for the "system controlled" ones. 2001 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 2002 if (VERBOSE_LOG) { 2003 Log.v(LOG_TAG, "Migrating DO user restrictions"); 2004 } 2005 migrated = true; 2006 2007 // Migrate user 0 restrictions to DO. 2008 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 2009 2010 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 2011 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 2012 2013 // Push DO user restrictions to user manager. 2014 pushUserRestrictions(UserHandle.USER_SYSTEM); 2015 2016 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 2017 } 2018 2019 // Migrate for POs. 2020 2021 // The following restrictions can be set on secondary users by the device owner, so we 2022 // assume they're not from the PO. 2023 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 2024 UserManager.DISALLOW_OUTGOING_CALLS, 2025 UserManager.DISALLOW_SMS); 2026 2027 for (UserInfo ui : mUserManager.getUsers()) { 2028 final int userId = ui.id; 2029 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 2030 if (VERBOSE_LOG) { 2031 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 2032 } 2033 migrated = true; 2034 2035 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 2036 2037 final Set<String> exceptionList = 2038 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 2039 2040 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 2041 exceptionList, /* isDeviceOwner =*/ false); 2042 2043 // Note if a secondary user has no PO but has a DA that disables camera, we 2044 // don't get here and won't push the camera user restriction to UserManager 2045 // here. That's okay because we'll push user restrictions anyway when a user 2046 // starts. But we still do it because we want to let user manager persist 2047 // upon migration. 2048 pushUserRestrictions(userId); 2049 2050 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 2051 } 2052 } 2053 if (VERBOSE_LOG && migrated) { 2054 Log.v(LOG_TAG, "User restrictions migrated."); 2055 } 2056 } 2057 2058 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 2059 Set<String> exceptionList, boolean isDeviceOwner) { 2060 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 2061 user.getIdentifier()); 2062 2063 final Bundle newBaseRestrictions = new Bundle(); 2064 final Bundle newOwnerRestrictions = new Bundle(); 2065 2066 for (String key : origRestrictions.keySet()) { 2067 if (!origRestrictions.getBoolean(key)) { 2068 continue; 2069 } 2070 final boolean canOwnerChange = isDeviceOwner 2071 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 2072 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 2073 2074 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 2075 newBaseRestrictions.putBoolean(key, true); 2076 } else { 2077 newOwnerRestrictions.putBoolean(key, true); 2078 } 2079 } 2080 2081 if (VERBOSE_LOG) { 2082 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 2083 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 2084 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 2085 } 2086 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 2087 newBaseRestrictions); 2088 2089 if (admin != null) { 2090 admin.ensureUserRestrictions().clear(); 2091 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 2092 } else { 2093 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 2094 } 2095 saveSettingsLocked(user.getIdentifier()); 2096 } 2097 2098 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 2099 final DevicePolicyData policy = getUserData(userId); 2100 final int n = policy.mAdminList.size(); 2101 ComponentName found = null; 2102 int nFound = 0; 2103 for (int i = 0; i < n; i++) { 2104 final ActiveAdmin admin = policy.mAdminList.get(i); 2105 if (packageName.equals(admin.info.getPackageName())) { 2106 // Found! 2107 if (nFound == 0) { 2108 found = admin.info.getComponent(); 2109 } 2110 nFound++; 2111 } 2112 } 2113 if (nFound > 1) { 2114 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 2115 } 2116 return found; 2117 } 2118 2119 /** 2120 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 2121 * reminders. Clears alarm if no expirations are configured. 2122 */ 2123 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 2124 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 2125 final long now = System.currentTimeMillis(); 2126 final long timeToExpire = expiration - now; 2127 final long alarmTime; 2128 if (expiration == 0) { 2129 // No expirations are currently configured: Cancel alarm. 2130 alarmTime = 0; 2131 } else if (timeToExpire <= 0) { 2132 // The password has already expired: Repeat every 24 hours. 2133 alarmTime = now + MS_PER_DAY; 2134 } else { 2135 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 2136 // the expiration time. 2137 long alarmInterval = timeToExpire % MS_PER_DAY; 2138 if (alarmInterval == 0) { 2139 alarmInterval = MS_PER_DAY; 2140 } 2141 alarmTime = now + alarmInterval; 2142 } 2143 2144 long token = mInjector.binderClearCallingIdentity(); 2145 try { 2146 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 2147 AlarmManager am = mInjector.getAlarmManager(); 2148 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 2149 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 2150 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 2151 UserHandle.of(affectedUserHandle)); 2152 am.cancel(pi); 2153 if (alarmTime != 0) { 2154 am.set(AlarmManager.RTC, alarmTime, pi); 2155 } 2156 } finally { 2157 mInjector.binderRestoreCallingIdentity(token); 2158 } 2159 } 2160 2161 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 2162 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 2163 if (admin != null 2164 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 2165 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 2166 return admin; 2167 } 2168 return null; 2169 } 2170 2171 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 2172 if (parent) { 2173 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 2174 } 2175 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2176 if (admin != null && parent) { 2177 admin = admin.getParentActiveAdmin(); 2178 } 2179 return admin; 2180 } 2181 2182 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 2183 throws SecurityException { 2184 final int callingUid = mInjector.binderGetCallingUid(); 2185 2186 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 2187 if (result != null) { 2188 return result; 2189 } 2190 2191 if (who != null) { 2192 final int userId = UserHandle.getUserId(callingUid); 2193 final DevicePolicyData policy = getUserData(userId); 2194 ActiveAdmin admin = policy.mAdminMap.get(who); 2195 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2196 throw new SecurityException("Admin " + admin.info.getComponent() 2197 + " does not own the device"); 2198 } 2199 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2200 throw new SecurityException("Admin " + admin.info.getComponent() 2201 + " does not own the profile"); 2202 } 2203 throw new SecurityException("Admin " + admin.info.getComponent() 2204 + " did not specify uses-policy for: " 2205 + admin.info.getTagForPolicy(reqPolicy)); 2206 } else { 2207 throw new SecurityException("No active admin owned by uid " 2208 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 2209 } 2210 } 2211 2212 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 2213 throws SecurityException { 2214 if (parent) { 2215 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 2216 "call APIs on the parent profile"); 2217 } 2218 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 2219 return parent ? admin.getParentActiveAdmin() : admin; 2220 } 2221 /** 2222 * Find the admin for the component and userId bit of the uid, then check 2223 * the admin's uid matches the uid. 2224 */ 2225 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 2226 final int userId = UserHandle.getUserId(uid); 2227 final DevicePolicyData policy = getUserData(userId); 2228 ActiveAdmin admin = policy.mAdminMap.get(who); 2229 if (admin == null) { 2230 throw new SecurityException("No active admin " + who); 2231 } 2232 if (admin.getUid() != uid) { 2233 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2234 } 2235 return admin; 2236 } 2237 2238 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 2239 int uid) { 2240 // Try to find an admin which can use reqPolicy 2241 final int userId = UserHandle.getUserId(uid); 2242 final DevicePolicyData policy = getUserData(userId); 2243 if (who != null) { 2244 ActiveAdmin admin = policy.mAdminMap.get(who); 2245 if (admin == null) { 2246 throw new SecurityException("No active admin " + who); 2247 } 2248 if (admin.getUid() != uid) { 2249 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2250 } 2251 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 2252 return admin; 2253 } 2254 } else { 2255 for (ActiveAdmin admin : policy.mAdminList) { 2256 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 2257 userId)) { 2258 return admin; 2259 } 2260 } 2261 } 2262 2263 return null; 2264 } 2265 2266 @VisibleForTesting 2267 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 2268 int userId) { 2269 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 2270 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 2271 2272 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2273 return ownsDevice; 2274 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2275 // DO always has the PO power. 2276 return ownsDevice || ownsProfile; 2277 } else { 2278 return admin.info.usesPolicy(reqPolicy); 2279 } 2280 } 2281 2282 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 2283 sendAdminCommandLocked(admin, action, null); 2284 } 2285 2286 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 2287 sendAdminCommandLocked(admin, action, null, result); 2288 } 2289 2290 /** 2291 * Send an update to one specific admin, get notified when that admin returns a result. 2292 */ 2293 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 2294 BroadcastReceiver result) { 2295 Intent intent = new Intent(action); 2296 intent.setComponent(admin.info.getComponent()); 2297 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 2298 intent.putExtra("expiration", admin.passwordExpirationDate); 2299 } 2300 if (adminExtras != null) { 2301 intent.putExtras(adminExtras); 2302 } 2303 if (result != null) { 2304 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2305 null, result, mHandler, Activity.RESULT_OK, null, null); 2306 } else { 2307 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2308 } 2309 } 2310 2311 /** 2312 * Send an update to all admins of a user that enforce a specified policy. 2313 */ 2314 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle, Bundle adminExtras) { 2315 final DevicePolicyData policy = getUserData(userHandle); 2316 final int count = policy.mAdminList.size(); 2317 for (int i = 0; i < count; i++) { 2318 final ActiveAdmin admin = policy.mAdminList.get(i); 2319 if (admin.info.usesPolicy(reqPolicy)) { 2320 sendAdminCommandLocked(admin, action, adminExtras, null); 2321 } 2322 } 2323 } 2324 2325 /** 2326 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2327 * enforce a specified policy. 2328 */ 2329 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2330 int userHandle, Bundle adminExtras) { 2331 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 2332 for (int profileId : profileIds) { 2333 sendAdminCommandLocked(action, reqPolicy, profileId, adminExtras); 2334 } 2335 } 2336 2337 /** 2338 * Sends a broadcast to each profile that share the password unlock with the given user id. 2339 */ 2340 private void sendAdminCommandForLockscreenPoliciesLocked( 2341 String action, int reqPolicy, int userHandle) { 2342 final Bundle extras = new Bundle(); 2343 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 2344 if (isSeparateProfileChallengeEnabled(userHandle)) { 2345 sendAdminCommandLocked(action, reqPolicy, userHandle, extras); 2346 } else { 2347 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle, extras); 2348 } 2349 } 2350 2351 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2352 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2353 DevicePolicyData policy = getUserData(userHandle); 2354 if (admin != null && !policy.mRemovingAdmins.contains(adminReceiver)) { 2355 policy.mRemovingAdmins.add(adminReceiver); 2356 sendAdminCommandLocked(admin, 2357 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2358 new BroadcastReceiver() { 2359 @Override 2360 public void onReceive(Context context, Intent intent) { 2361 removeAdminArtifacts(adminReceiver, userHandle); 2362 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2363 } 2364 }); 2365 } 2366 } 2367 2368 2369 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2370 boolean throwForMissiongPermission) { 2371 if (!mHasFeature) { 2372 return null; 2373 } 2374 enforceFullCrossUsersPermission(userHandle); 2375 ActivityInfo ai = null; 2376 try { 2377 ai = mIPackageManager.getReceiverInfo(adminName, 2378 PackageManager.GET_META_DATA | 2379 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | 2380 PackageManager.MATCH_DIRECT_BOOT_AWARE | 2381 PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); 2382 } catch (RemoteException e) { 2383 // shouldn't happen. 2384 } 2385 if (ai == null) { 2386 throw new IllegalArgumentException("Unknown admin: " + adminName); 2387 } 2388 2389 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2390 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2391 + permission.BIND_DEVICE_ADMIN; 2392 Slog.w(LOG_TAG, message); 2393 if (throwForMissiongPermission && 2394 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2395 throw new IllegalArgumentException(message); 2396 } 2397 } 2398 2399 try { 2400 return new DeviceAdminInfo(mContext, ai); 2401 } catch (XmlPullParserException | IOException e) { 2402 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2403 e); 2404 return null; 2405 } 2406 } 2407 2408 private JournaledFile makeJournaledFile(int userHandle) { 2409 final String base = userHandle == UserHandle.USER_SYSTEM 2410 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2411 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2412 DEVICE_POLICIES_XML).getAbsolutePath(); 2413 if (VERBOSE_LOG) { 2414 Log.v(LOG_TAG, "Opening " + base); 2415 } 2416 return new JournaledFile(new File(base), new File(base + ".tmp")); 2417 } 2418 2419 private void saveSettingsLocked(int userHandle) { 2420 DevicePolicyData policy = getUserData(userHandle); 2421 JournaledFile journal = makeJournaledFile(userHandle); 2422 FileOutputStream stream = null; 2423 try { 2424 stream = new FileOutputStream(journal.chooseForWrite(), false); 2425 XmlSerializer out = new FastXmlSerializer(); 2426 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2427 out.startDocument(null, true); 2428 2429 out.startTag(null, "policies"); 2430 if (policy.mRestrictionsProvider != null) { 2431 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2432 policy.mRestrictionsProvider.flattenToString()); 2433 } 2434 if (policy.mUserSetupComplete) { 2435 out.attribute(null, ATTR_SETUP_COMPLETE, 2436 Boolean.toString(true)); 2437 } 2438 if (policy.mPaired) { 2439 out.attribute(null, ATTR_DEVICE_PAIRED, 2440 Boolean.toString(true)); 2441 } 2442 if (policy.mDeviceProvisioningConfigApplied) { 2443 out.attribute(null, ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED, 2444 Boolean.toString(true)); 2445 } 2446 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2447 out.attribute(null, ATTR_PROVISIONING_STATE, 2448 Integer.toString(policy.mUserProvisioningState)); 2449 } 2450 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2451 out.attribute(null, ATTR_PERMISSION_POLICY, 2452 Integer.toString(policy.mPermissionPolicy)); 2453 } 2454 2455 // Serialize delegations. 2456 for (int i = 0; i < policy.mDelegationMap.size(); ++i) { 2457 final String delegatePackage = policy.mDelegationMap.keyAt(i); 2458 final List<String> scopes = policy.mDelegationMap.valueAt(i); 2459 2460 // Every "delegation" tag serializes the information of one delegate-scope pair. 2461 for (String scope : scopes) { 2462 out.startTag(null, "delegation"); 2463 out.attribute(null, "delegatePackage", delegatePackage); 2464 out.attribute(null, "scope", scope); 2465 out.endTag(null, "delegation"); 2466 } 2467 } 2468 2469 final int N = policy.mAdminList.size(); 2470 for (int i=0; i<N; i++) { 2471 ActiveAdmin ap = policy.mAdminList.get(i); 2472 if (ap != null) { 2473 out.startTag(null, "admin"); 2474 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2475 ap.writeToXml(out); 2476 out.endTag(null, "admin"); 2477 } 2478 } 2479 2480 if (policy.mPasswordOwner >= 0) { 2481 out.startTag(null, "password-owner"); 2482 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2483 out.endTag(null, "password-owner"); 2484 } 2485 2486 if (policy.mFailedPasswordAttempts != 0) { 2487 out.startTag(null, "failed-password-attempts"); 2488 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2489 out.endTag(null, "failed-password-attempts"); 2490 } 2491 2492 // Don't save metrics for FBE devices 2493 final PasswordMetrics metrics = policy.mActivePasswordMetrics; 2494 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled() && !metrics.isDefault()) { 2495 out.startTag(null, "active-password"); 2496 out.attribute(null, "quality", Integer.toString(metrics.quality)); 2497 out.attribute(null, "length", Integer.toString(metrics.length)); 2498 out.attribute(null, "uppercase", Integer.toString(metrics.upperCase)); 2499 out.attribute(null, "lowercase", Integer.toString(metrics.lowerCase)); 2500 out.attribute(null, "letters", Integer.toString(metrics.letters)); 2501 out.attribute(null, "numeric", Integer.toString(metrics.numeric)); 2502 out.attribute(null, "symbols", Integer.toString(metrics.symbols)); 2503 out.attribute(null, "nonletter", Integer.toString(metrics.nonLetter)); 2504 out.endTag(null, "active-password"); 2505 } 2506 2507 for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { 2508 out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2509 out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); 2510 out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2511 } 2512 2513 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2514 String component = policy.mLockTaskPackages.get(i); 2515 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2516 out.attribute(null, "name", component); 2517 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2518 } 2519 2520 if (policy.mStatusBarDisabled) { 2521 out.startTag(null, TAG_STATUS_BAR); 2522 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2523 out.endTag(null, TAG_STATUS_BAR); 2524 } 2525 2526 if (policy.doNotAskCredentialsOnBoot) { 2527 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2528 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2529 } 2530 2531 for (String id : policy.mAffiliationIds) { 2532 out.startTag(null, TAG_AFFILIATION_ID); 2533 out.attribute(null, ATTR_ID, id); 2534 out.endTag(null, TAG_AFFILIATION_ID); 2535 } 2536 2537 if (policy.mLastSecurityLogRetrievalTime >= 0) { 2538 out.startTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2539 out.attribute(null, ATTR_VALUE, 2540 Long.toString(policy.mLastSecurityLogRetrievalTime)); 2541 out.endTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2542 } 2543 2544 if (policy.mLastBugReportRequestTime >= 0) { 2545 out.startTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2546 out.attribute(null, ATTR_VALUE, 2547 Long.toString(policy.mLastBugReportRequestTime)); 2548 out.endTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2549 } 2550 2551 if (policy.mLastNetworkLogsRetrievalTime >= 0) { 2552 out.startTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2553 out.attribute(null, ATTR_VALUE, 2554 Long.toString(policy.mLastNetworkLogsRetrievalTime)); 2555 out.endTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2556 } 2557 2558 if (policy.mAdminBroadcastPending) { 2559 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2560 out.attribute(null, ATTR_VALUE, 2561 Boolean.toString(policy.mAdminBroadcastPending)); 2562 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2563 } 2564 2565 if (policy.mInitBundle != null) { 2566 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2567 policy.mInitBundle.saveToXml(out); 2568 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2569 } 2570 2571 if (policy.mPasswordTokenHandle != 0) { 2572 out.startTag(null, TAG_PASSWORD_TOKEN_HANDLE); 2573 out.attribute(null, ATTR_VALUE, 2574 Long.toString(policy.mPasswordTokenHandle)); 2575 out.endTag(null, TAG_PASSWORD_TOKEN_HANDLE); 2576 } 2577 2578 if (policy.mDefaultInputMethodSet) { 2579 out.startTag(null, TAG_DEFAULT_INPUT_METHOD_SET); 2580 out.endTag(null, TAG_DEFAULT_INPUT_METHOD_SET); 2581 } 2582 2583 out.endTag(null, "policies"); 2584 2585 out.endDocument(); 2586 stream.flush(); 2587 FileUtils.sync(stream); 2588 stream.close(); 2589 journal.commit(); 2590 sendChangedNotification(userHandle); 2591 } catch (XmlPullParserException | IOException e) { 2592 Slog.w(LOG_TAG, "failed writing file", e); 2593 try { 2594 if (stream != null) { 2595 stream.close(); 2596 } 2597 } catch (IOException ex) { 2598 // Ignore 2599 } 2600 journal.rollback(); 2601 } 2602 } 2603 2604 private void sendChangedNotification(int userHandle) { 2605 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2606 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2607 long ident = mInjector.binderClearCallingIdentity(); 2608 try { 2609 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2610 } finally { 2611 mInjector.binderRestoreCallingIdentity(ident); 2612 } 2613 } 2614 2615 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2616 JournaledFile journal = makeJournaledFile(userHandle); 2617 FileInputStream stream = null; 2618 File file = journal.chooseForRead(); 2619 boolean needsRewrite = false; 2620 try { 2621 stream = new FileInputStream(file); 2622 XmlPullParser parser = Xml.newPullParser(); 2623 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2624 2625 int type; 2626 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2627 && type != XmlPullParser.START_TAG) { 2628 } 2629 String tag = parser.getName(); 2630 if (!"policies".equals(tag)) { 2631 throw new XmlPullParserException( 2632 "Settings do not start with policies tag: found " + tag); 2633 } 2634 2635 // Extract the permission provider component name if available 2636 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2637 if (permissionProvider != null) { 2638 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2639 } 2640 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2641 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2642 policy.mUserSetupComplete = true; 2643 } 2644 String paired = parser.getAttributeValue(null, ATTR_DEVICE_PAIRED); 2645 if (paired != null && Boolean.toString(true).equals(paired)) { 2646 policy.mPaired = true; 2647 } 2648 String deviceProvisioningConfigApplied = parser.getAttributeValue(null, 2649 ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED); 2650 if (deviceProvisioningConfigApplied != null 2651 && Boolean.toString(true).equals(deviceProvisioningConfigApplied)) { 2652 policy.mDeviceProvisioningConfigApplied = true; 2653 } 2654 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2655 if (!TextUtils.isEmpty(provisioningState)) { 2656 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2657 } 2658 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2659 if (!TextUtils.isEmpty(permissionPolicy)) { 2660 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2661 } 2662 // Check for delegation compatibility with pre-O. 2663 // TODO(edmanp) remove in P. 2664 { 2665 final String certDelegate = parser.getAttributeValue(null, 2666 ATTR_DELEGATED_CERT_INSTALLER); 2667 if (certDelegate != null) { 2668 List<String> scopes = policy.mDelegationMap.get(certDelegate); 2669 if (scopes == null) { 2670 scopes = new ArrayList<>(); 2671 policy.mDelegationMap.put(certDelegate, scopes); 2672 } 2673 if (!scopes.contains(DELEGATION_CERT_INSTALL)) { 2674 scopes.add(DELEGATION_CERT_INSTALL); 2675 needsRewrite = true; 2676 } 2677 } 2678 final String appRestrictionsDelegate = parser.getAttributeValue(null, 2679 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2680 if (appRestrictionsDelegate != null) { 2681 List<String> scopes = policy.mDelegationMap.get(appRestrictionsDelegate); 2682 if (scopes == null) { 2683 scopes = new ArrayList<>(); 2684 policy.mDelegationMap.put(appRestrictionsDelegate, scopes); 2685 } 2686 if (!scopes.contains(DELEGATION_APP_RESTRICTIONS)) { 2687 scopes.add(DELEGATION_APP_RESTRICTIONS); 2688 needsRewrite = true; 2689 } 2690 } 2691 } 2692 2693 type = parser.next(); 2694 int outerDepth = parser.getDepth(); 2695 policy.mLockTaskPackages.clear(); 2696 policy.mAdminList.clear(); 2697 policy.mAdminMap.clear(); 2698 policy.mAffiliationIds.clear(); 2699 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2700 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2701 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2702 continue; 2703 } 2704 tag = parser.getName(); 2705 if ("admin".equals(tag)) { 2706 String name = parser.getAttributeValue(null, "name"); 2707 try { 2708 DeviceAdminInfo dai = findAdmin( 2709 ComponentName.unflattenFromString(name), userHandle, 2710 /* throwForMissionPermission= */ false); 2711 if (VERBOSE_LOG 2712 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2713 != userHandle)) { 2714 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2715 + dai.getActivityInfo().applicationInfo.uid + " for user " 2716 + userHandle); 2717 } 2718 if (dai != null) { 2719 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2720 ap.readFromXml(parser); 2721 policy.mAdminMap.put(ap.info.getComponent(), ap); 2722 } 2723 } catch (RuntimeException e) { 2724 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2725 } 2726 } else if ("delegation".equals(tag)) { 2727 // Parse delegation info. 2728 final String delegatePackage = parser.getAttributeValue(null, 2729 "delegatePackage"); 2730 final String scope = parser.getAttributeValue(null, "scope"); 2731 2732 // Get a reference to the scopes list for the delegatePackage. 2733 List<String> scopes = policy.mDelegationMap.get(delegatePackage); 2734 // Or make a new list if none was found. 2735 if (scopes == null) { 2736 scopes = new ArrayList<>(); 2737 policy.mDelegationMap.put(delegatePackage, scopes); 2738 } 2739 // Add the new scope to the list of delegatePackage if it's not already there. 2740 if (!scopes.contains(scope)) { 2741 scopes.add(scope); 2742 } 2743 } else if ("failed-password-attempts".equals(tag)) { 2744 policy.mFailedPasswordAttempts = Integer.parseInt( 2745 parser.getAttributeValue(null, "value")); 2746 } else if ("password-owner".equals(tag)) { 2747 policy.mPasswordOwner = Integer.parseInt( 2748 parser.getAttributeValue(null, "value")); 2749 } else if (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { 2750 policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); 2751 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2752 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2753 } else if (TAG_STATUS_BAR.equals(tag)) { 2754 policy.mStatusBarDisabled = Boolean.parseBoolean( 2755 parser.getAttributeValue(null, ATTR_DISABLED)); 2756 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2757 policy.doNotAskCredentialsOnBoot = true; 2758 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2759 policy.mAffiliationIds.add(parser.getAttributeValue(null, ATTR_ID)); 2760 } else if (TAG_LAST_SECURITY_LOG_RETRIEVAL.equals(tag)) { 2761 policy.mLastSecurityLogRetrievalTime = Long.parseLong( 2762 parser.getAttributeValue(null, ATTR_VALUE)); 2763 } else if (TAG_LAST_BUG_REPORT_REQUEST.equals(tag)) { 2764 policy.mLastBugReportRequestTime = Long.parseLong( 2765 parser.getAttributeValue(null, ATTR_VALUE)); 2766 } else if (TAG_LAST_NETWORK_LOG_RETRIEVAL.equals(tag)) { 2767 policy.mLastNetworkLogsRetrievalTime = Long.parseLong( 2768 parser.getAttributeValue(null, ATTR_VALUE)); 2769 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2770 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2771 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2772 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2773 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2774 } else if ("active-password".equals(tag)) { 2775 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 2776 // Remove this from FBE devices 2777 needsRewrite = true; 2778 } else { 2779 final PasswordMetrics m = policy.mActivePasswordMetrics; 2780 m.quality = Integer.parseInt(parser.getAttributeValue(null, "quality")); 2781 m.length = Integer.parseInt(parser.getAttributeValue(null, "length")); 2782 m.upperCase = Integer.parseInt(parser.getAttributeValue(null, "uppercase")); 2783 m.lowerCase = Integer.parseInt(parser.getAttributeValue(null, "lowercase")); 2784 m.letters = Integer.parseInt(parser.getAttributeValue(null, "letters")); 2785 m.numeric = Integer.parseInt(parser.getAttributeValue(null, "numeric")); 2786 m.symbols = Integer.parseInt(parser.getAttributeValue(null, "symbols")); 2787 m.nonLetter = Integer.parseInt(parser.getAttributeValue(null, "nonletter")); 2788 } 2789 } else if (TAG_PASSWORD_TOKEN_HANDLE.equals(tag)) { 2790 policy.mPasswordTokenHandle = Long.parseLong( 2791 parser.getAttributeValue(null, ATTR_VALUE)); 2792 } else if (TAG_DEFAULT_INPUT_METHOD_SET.equals(tag)) { 2793 policy.mDefaultInputMethodSet = true; 2794 } else { 2795 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2796 XmlUtils.skipCurrentTag(parser); 2797 } 2798 } 2799 } catch (FileNotFoundException e) { 2800 // Don't be noisy, this is normal if we haven't defined any policies. 2801 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2802 | IndexOutOfBoundsException e) { 2803 Slog.w(LOG_TAG, "failed parsing " + file, e); 2804 } 2805 try { 2806 if (stream != null) { 2807 stream.close(); 2808 } 2809 } catch (IOException e) { 2810 // Ignore 2811 } 2812 2813 // Generate a list of admins from the admin map 2814 policy.mAdminList.addAll(policy.mAdminMap.values()); 2815 2816 // Might need to upgrade the file by rewriting it 2817 if (needsRewrite) { 2818 saveSettingsLocked(userHandle); 2819 } 2820 2821 validatePasswordOwnerLocked(policy); 2822 updateMaximumTimeToLockLocked(userHandle); 2823 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2824 if (policy.mStatusBarDisabled) { 2825 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2826 } 2827 } 2828 2829 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2830 long ident = mInjector.binderClearCallingIdentity(); 2831 try { 2832 mInjector.getIActivityManager() 2833 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2834 } catch (RemoteException e) { 2835 // Not gonna happen. 2836 } finally { 2837 mInjector.binderRestoreCallingIdentity(ident); 2838 } 2839 } 2840 2841 private void updateDeviceOwnerLocked() { 2842 long ident = mInjector.binderClearCallingIdentity(); 2843 try { 2844 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2845 // user id and also protect all other DAs too. 2846 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2847 if (deviceOwnerComponent != null) { 2848 mInjector.getIActivityManager() 2849 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2850 } 2851 } catch (RemoteException e) { 2852 // Not gonna happen. 2853 } finally { 2854 mInjector.binderRestoreCallingIdentity(ident); 2855 } 2856 } 2857 2858 static void validateQualityConstant(int quality) { 2859 switch (quality) { 2860 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2861 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2862 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2863 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2864 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2865 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2866 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2867 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2868 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2869 return; 2870 } 2871 throw new IllegalArgumentException("Invalid quality constant: 0x" 2872 + Integer.toHexString(quality)); 2873 } 2874 2875 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2876 if (policy.mPasswordOwner >= 0) { 2877 boolean haveOwner = false; 2878 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2879 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2880 haveOwner = true; 2881 break; 2882 } 2883 } 2884 if (!haveOwner) { 2885 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2886 + " no longer active; disabling"); 2887 policy.mPasswordOwner = -1; 2888 } 2889 } 2890 } 2891 2892 @VisibleForTesting 2893 void systemReady(int phase) { 2894 if (!mHasFeature) { 2895 return; 2896 } 2897 switch (phase) { 2898 case SystemService.PHASE_LOCK_SETTINGS_READY: 2899 onLockSettingsReady(); 2900 break; 2901 case SystemService.PHASE_BOOT_COMPLETED: 2902 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2903 break; 2904 } 2905 } 2906 2907 private void ensureUnknownSourcesRestrictionForProfileOwners() { 2908 synchronized (this) { 2909 for (int userId : mOwners.getProfileOwnerKeys()) { 2910 if (!mUserManager.isManagedProfile(userId) || 2911 mInjector.settingsSecureGetIntForUser( 2912 Settings.Secure.UNKNOWN_SOURCES_DEFAULT_REVERSED, 0, userId) == 0) { 2913 continue; 2914 } 2915 setUserRestrictionOnBehalfOfProfileOwnerLocked( 2916 UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId); 2917 mInjector.settingsSecurePutIntForUser( 2918 Settings.Secure.UNKNOWN_SOURCES_DEFAULT_REVERSED, 0, userId); 2919 } 2920 } 2921 } 2922 2923 private void setUserRestrictionOnBehalfOfProfileOwnerLocked(String userRestrictionKey, 2924 int userId) { 2925 if (UserRestrictionsUtils.isValidRestriction(userRestrictionKey) && 2926 UserRestrictionsUtils.canProfileOwnerChange(userRestrictionKey, userId)) { 2927 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 2928 if (profileOwner == null) { 2929 return; 2930 } 2931 Bundle restrictions = profileOwner.ensureUserRestrictions(); 2932 restrictions.putBoolean(userRestrictionKey, true); 2933 saveUserRestrictionsLocked(userId); 2934 } 2935 } 2936 2937 private void onLockSettingsReady() { 2938 getUserData(UserHandle.USER_SYSTEM); 2939 loadOwners(); 2940 cleanUpOldUsers(); 2941 ensureUnknownSourcesRestrictionForProfileOwners(); 2942 onStartUser(UserHandle.USER_SYSTEM); 2943 2944 // Register an observer for watching for user setup complete and settings changes. 2945 mSetupContentObserver.register(); 2946 // Initialize the user setup state, to handle the upgrade case. 2947 updateUserSetupCompleteAndPaired(); 2948 2949 List<String> packageList; 2950 synchronized (this) { 2951 packageList = getKeepUninstalledPackagesLocked(); 2952 } 2953 if (packageList != null) { 2954 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2955 } 2956 2957 synchronized (this) { 2958 // push the force-ephemeral-users policy to the user manager. 2959 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 2960 if (deviceOwner != null) { 2961 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 2962 } 2963 } 2964 } 2965 2966 private void ensureDeviceOwnerUserStarted() { 2967 final int userId; 2968 synchronized (this) { 2969 if (!mOwners.hasDeviceOwner()) { 2970 return; 2971 } 2972 userId = mOwners.getDeviceOwnerUserId(); 2973 } 2974 if (VERBOSE_LOG) { 2975 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2976 } 2977 if (userId != UserHandle.USER_SYSTEM) { 2978 try { 2979 mInjector.getIActivityManager().startUserInBackground(userId); 2980 2981 // STOPSHIP Prevent the DO user from being killed. 2982 2983 } catch (RemoteException e) { 2984 Slog.w(LOG_TAG, "Exception starting user", e); 2985 } 2986 } 2987 } 2988 2989 private void onStartUser(int userId) { 2990 updateScreenCaptureDisabledInWindowManager(userId, 2991 getScreenCaptureDisabled(null, userId)); 2992 pushUserRestrictions(userId); 2993 } 2994 2995 private void cleanUpOldUsers() { 2996 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2997 // before reboot 2998 Set<Integer> usersWithProfileOwners; 2999 Set<Integer> usersWithData; 3000 synchronized(this) { 3001 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 3002 usersWithData = new ArraySet<>(); 3003 for (int i = 0; i < mUserData.size(); i++) { 3004 usersWithData.add(mUserData.keyAt(i)); 3005 } 3006 } 3007 List<UserInfo> allUsers = mUserManager.getUsers(); 3008 3009 Set<Integer> deletedUsers = new ArraySet<>(); 3010 deletedUsers.addAll(usersWithProfileOwners); 3011 deletedUsers.addAll(usersWithData); 3012 for (UserInfo userInfo : allUsers) { 3013 deletedUsers.remove(userInfo.id); 3014 } 3015 for (Integer userId : deletedUsers) { 3016 removeUserData(userId); 3017 } 3018 } 3019 3020 private void handlePasswordExpirationNotification(int userHandle) { 3021 final Bundle adminExtras = new Bundle(); 3022 adminExtras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 3023 3024 synchronized (this) { 3025 final long now = System.currentTimeMillis(); 3026 3027 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 3028 userHandle, /* parent */ false); 3029 final int N = admins.size(); 3030 for (int i = 0; i < N; i++) { 3031 ActiveAdmin admin = admins.get(i); 3032 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 3033 && admin.passwordExpirationTimeout > 0L 3034 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 3035 && admin.passwordExpirationDate > 0L) { 3036 sendAdminCommandLocked(admin, 3037 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING, adminExtras, null); 3038 } 3039 } 3040 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 3041 } 3042 } 3043 3044 /** 3045 * Remove deleted CA certificates from the "approved" list for a particular user, counting 3046 * the number still remaining to approve. 3047 * 3048 * @param userHandle user to check for. This must be a real user and not, for example, 3049 * {@link UserHandle#ALL}. 3050 * @param installedCertificates the full set of certificate authorities currently installed for 3051 * {@param userHandle}. After calling this function, {@code mAcceptedCaCertificates} will 3052 * correspond to some subset of this. 3053 * 3054 * @return number of certificates yet to be approved by {@param userHandle}. 3055 */ 3056 protected synchronized int retainAcceptedCertificates(final UserHandle userHandle, 3057 final @NonNull Collection<String> installedCertificates) { 3058 enforceManageUsers(); 3059 3060 if (!mHasFeature) { 3061 return installedCertificates.size(); 3062 } else { 3063 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 3064 3065 // Remove deleted certificates. Flush xml if necessary. 3066 if (policy.mAcceptedCaCertificates.retainAll(installedCertificates)) { 3067 saveSettingsLocked(userHandle.getIdentifier()); 3068 } 3069 3070 // Trim approved certificates from the count. 3071 return installedCertificates.size() - policy.mAcceptedCaCertificates.size(); 3072 } 3073 } 3074 3075 /** 3076 * @param adminReceiver The admin to add 3077 * @param refreshing true = update an active admin, no error 3078 */ 3079 @Override 3080 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 3081 if (!mHasFeature) { 3082 return; 3083 } 3084 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 3085 } 3086 3087 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 3088 Bundle onEnableData) { 3089 mContext.enforceCallingOrSelfPermission( 3090 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3091 enforceFullCrossUsersPermission(userHandle); 3092 3093 DevicePolicyData policy = getUserData(userHandle); 3094 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 3095 /* throwForMissionPermission= */ true); 3096 if (info == null) { 3097 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 3098 } 3099 if (!info.getActivityInfo().applicationInfo.isInternal()) { 3100 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 3101 + adminReceiver); 3102 } 3103 synchronized (this) { 3104 long ident = mInjector.binderClearCallingIdentity(); 3105 try { 3106 final ActiveAdmin existingAdmin 3107 = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3108 if (!refreshing && existingAdmin != null) { 3109 throw new IllegalArgumentException("Admin is already added"); 3110 } 3111 if (policy.mRemovingAdmins.contains(adminReceiver)) { 3112 throw new IllegalArgumentException( 3113 "Trying to set an admin which is being removed"); 3114 } 3115 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 3116 newAdmin.testOnlyAdmin = 3117 (existingAdmin != null) ? existingAdmin.testOnlyAdmin 3118 : isPackageTestOnly(adminReceiver.getPackageName(), userHandle); 3119 policy.mAdminMap.put(adminReceiver, newAdmin); 3120 int replaceIndex = -1; 3121 final int N = policy.mAdminList.size(); 3122 for (int i=0; i < N; i++) { 3123 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 3124 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 3125 replaceIndex = i; 3126 break; 3127 } 3128 } 3129 if (replaceIndex == -1) { 3130 policy.mAdminList.add(newAdmin); 3131 enableIfNecessary(info.getPackageName(), userHandle); 3132 } else { 3133 policy.mAdminList.set(replaceIndex, newAdmin); 3134 } 3135 saveSettingsLocked(userHandle); 3136 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 3137 onEnableData, null); 3138 } finally { 3139 mInjector.binderRestoreCallingIdentity(ident); 3140 } 3141 } 3142 } 3143 3144 @Override 3145 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 3146 if (!mHasFeature) { 3147 return false; 3148 } 3149 enforceFullCrossUsersPermission(userHandle); 3150 synchronized (this) { 3151 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 3152 } 3153 } 3154 3155 @Override 3156 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 3157 if (!mHasFeature) { 3158 return false; 3159 } 3160 enforceFullCrossUsersPermission(userHandle); 3161 synchronized (this) { 3162 DevicePolicyData policyData = getUserData(userHandle); 3163 return policyData.mRemovingAdmins.contains(adminReceiver); 3164 } 3165 } 3166 3167 @Override 3168 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 3169 if (!mHasFeature) { 3170 return false; 3171 } 3172 enforceFullCrossUsersPermission(userHandle); 3173 synchronized (this) { 3174 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3175 if (administrator == null) { 3176 throw new SecurityException("No active admin " + adminReceiver); 3177 } 3178 return administrator.info.usesPolicy(policyId); 3179 } 3180 } 3181 3182 @Override 3183 @SuppressWarnings("unchecked") 3184 public List<ComponentName> getActiveAdmins(int userHandle) { 3185 if (!mHasFeature) { 3186 return Collections.EMPTY_LIST; 3187 } 3188 3189 enforceFullCrossUsersPermission(userHandle); 3190 synchronized (this) { 3191 DevicePolicyData policy = getUserData(userHandle); 3192 final int N = policy.mAdminList.size(); 3193 if (N <= 0) { 3194 return null; 3195 } 3196 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 3197 for (int i=0; i<N; i++) { 3198 res.add(policy.mAdminList.get(i).info.getComponent()); 3199 } 3200 return res; 3201 } 3202 } 3203 3204 @Override 3205 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 3206 if (!mHasFeature) { 3207 return false; 3208 } 3209 enforceFullCrossUsersPermission(userHandle); 3210 synchronized (this) { 3211 DevicePolicyData policy = getUserData(userHandle); 3212 final int N = policy.mAdminList.size(); 3213 for (int i=0; i<N; i++) { 3214 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 3215 return true; 3216 } 3217 } 3218 return false; 3219 } 3220 } 3221 3222 public void forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { 3223 if (!mHasFeature) { 3224 return; 3225 } 3226 Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); 3227 enforceShell("forceRemoveActiveAdmin"); 3228 long ident = mInjector.binderClearCallingIdentity(); 3229 try { 3230 synchronized (this) { 3231 if (!isAdminTestOnlyLocked(adminReceiver, userHandle)) { 3232 throw new SecurityException("Attempt to remove non-test admin " 3233 + adminReceiver + " " + userHandle); 3234 } 3235 3236 // If admin is a device or profile owner tidy that up first. 3237 if (isDeviceOwner(adminReceiver, userHandle)) { 3238 clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); 3239 } 3240 if (isProfileOwner(adminReceiver, userHandle)) { 3241 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, 3242 userHandle, /* parent */ false); 3243 clearProfileOwnerLocked(admin, userHandle); 3244 } 3245 } 3246 // Remove the admin skipping sending the broadcast. 3247 removeAdminArtifacts(adminReceiver, userHandle); 3248 Slog.i(LOG_TAG, "Admin " + adminReceiver + " removed from user " + userHandle); 3249 } finally { 3250 mInjector.binderRestoreCallingIdentity(ident); 3251 } 3252 } 3253 3254 private void clearDeviceOwnerUserRestrictionLocked(UserHandle userHandle) { 3255 // ManagedProvisioning/DPC sets DISALLOW_ADD_USER. Clear to recover to the original state 3256 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_USER, userHandle)) { 3257 mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_USER, false, userHandle); 3258 } 3259 } 3260 3261 /** 3262 * Return if a given package has testOnly="true", in which case we'll relax certain rules 3263 * for CTS. 3264 * 3265 * DO NOT use this method except in {@link #setActiveAdmin}. Use {@link #isAdminTestOnlyLocked} 3266 * to check wehter an active admin is test-only or not. 3267 * 3268 * The system allows this flag to be changed when an app is updated, which is not good 3269 * for us. So we persist the flag in {@link ActiveAdmin} when an admin is first installed, 3270 * and used the persisted version in actual checks. (See b/31382361 and b/28928996) 3271 */ 3272 private boolean isPackageTestOnly(String packageName, int userHandle) { 3273 final ApplicationInfo ai; 3274 try { 3275 ai = mIPackageManager.getApplicationInfo(packageName, 3276 (PackageManager.MATCH_DIRECT_BOOT_AWARE 3277 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE), userHandle); 3278 } catch (RemoteException e) { 3279 throw new IllegalStateException(e); 3280 } 3281 if (ai == null) { 3282 throw new IllegalStateException("Couldn't find package: " 3283 + packageName + " on user " + userHandle); 3284 } 3285 return (ai.flags & ApplicationInfo.FLAG_TEST_ONLY) != 0; 3286 } 3287 3288 /** 3289 * See {@link #isPackageTestOnly}. 3290 */ 3291 private boolean isAdminTestOnlyLocked(ComponentName who, int userHandle) { 3292 final ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3293 return (admin != null) && admin.testOnlyAdmin; 3294 } 3295 3296 private void enforceShell(String method) { 3297 final int callingUid = Binder.getCallingUid(); 3298 if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { 3299 throw new SecurityException("Non-shell user attempted to call " + method); 3300 } 3301 } 3302 3303 @Override 3304 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 3305 if (!mHasFeature) { 3306 return; 3307 } 3308 enforceFullCrossUsersPermission(userHandle); 3309 enforceUserUnlocked(userHandle); 3310 synchronized (this) { 3311 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3312 if (admin == null) { 3313 return; 3314 } 3315 // Active device/profile owners must remain active admins. 3316 if (isDeviceOwner(adminReceiver, userHandle) 3317 || isProfileOwner(adminReceiver, userHandle)) { 3318 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 3319 adminReceiver); 3320 return; 3321 } 3322 if (admin.getUid() != mInjector.binderGetCallingUid()) { 3323 mContext.enforceCallingOrSelfPermission( 3324 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3325 } 3326 long ident = mInjector.binderClearCallingIdentity(); 3327 try { 3328 removeActiveAdminLocked(adminReceiver, userHandle); 3329 } finally { 3330 mInjector.binderRestoreCallingIdentity(ident); 3331 } 3332 } 3333 } 3334 3335 @Override 3336 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 3337 ComponentName profileOwner = getProfileOwner(userHandle); 3338 // Profile challenge is supported on N or newer release. 3339 return profileOwner != null && 3340 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 3341 } 3342 3343 @Override 3344 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 3345 if (!mHasFeature) { 3346 return; 3347 } 3348 Preconditions.checkNotNull(who, "ComponentName is null"); 3349 validateQualityConstant(quality); 3350 3351 synchronized (this) { 3352 ActiveAdmin ap = getActiveAdminForCallerLocked( 3353 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3354 if (ap.minimumPasswordMetrics.quality != quality) { 3355 ap.minimumPasswordMetrics.quality = quality; 3356 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3357 } 3358 } 3359 } 3360 3361 @Override 3362 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 3363 if (!mHasFeature) { 3364 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3365 } 3366 enforceFullCrossUsersPermission(userHandle); 3367 synchronized (this) { 3368 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3369 3370 if (who != null) { 3371 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3372 return admin != null ? admin.minimumPasswordMetrics.quality : mode; 3373 } 3374 3375 // Return the strictest policy across all participating admins. 3376 List<ActiveAdmin> admins = 3377 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3378 final int N = admins.size(); 3379 for (int i = 0; i < N; i++) { 3380 ActiveAdmin admin = admins.get(i); 3381 if (mode < admin.minimumPasswordMetrics.quality) { 3382 mode = admin.minimumPasswordMetrics.quality; 3383 } 3384 } 3385 return mode; 3386 } 3387 } 3388 3389 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 3390 int userHandle, boolean parent) { 3391 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 3392 // If this user has a separate challenge, only return its restrictions. 3393 return getUserDataUnchecked(userHandle).mAdminList; 3394 } else { 3395 // Return all admins for this user and the profiles that are visible from this 3396 // user that do not use a separate work challenge. 3397 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 3398 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3399 DevicePolicyData policy = getUserData(userInfo.id); 3400 if (!userInfo.isManagedProfile()) { 3401 admins.addAll(policy.mAdminList); 3402 } else { 3403 // For managed profiles, we always include the policies set on the parent 3404 // profile. Additionally, we include the ones set on the managed profile 3405 // if no separate challenge is in place. 3406 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 3407 final int N = policy.mAdminList.size(); 3408 for (int i = 0; i < N; i++) { 3409 ActiveAdmin admin = policy.mAdminList.get(i); 3410 if (admin.hasParentActiveAdmin()) { 3411 admins.add(admin.getParentActiveAdmin()); 3412 } 3413 if (!hasSeparateChallenge) { 3414 admins.add(admin); 3415 } 3416 } 3417 } 3418 } 3419 return admins; 3420 } 3421 } 3422 3423 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 3424 long ident = mInjector.binderClearCallingIdentity(); 3425 try { 3426 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 3427 } finally { 3428 mInjector.binderRestoreCallingIdentity(ident); 3429 } 3430 } 3431 3432 @Override 3433 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 3434 if (!mHasFeature) { 3435 return; 3436 } 3437 Preconditions.checkNotNull(who, "ComponentName is null"); 3438 synchronized (this) { 3439 ActiveAdmin ap = getActiveAdminForCallerLocked( 3440 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3441 if (ap.minimumPasswordMetrics.length != length) { 3442 ap.minimumPasswordMetrics.length = length; 3443 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3444 } 3445 } 3446 } 3447 3448 @Override 3449 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 3450 if (!mHasFeature) { 3451 return 0; 3452 } 3453 enforceFullCrossUsersPermission(userHandle); 3454 synchronized (this) { 3455 int length = 0; 3456 3457 if (who != null) { 3458 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3459 return admin != null ? admin.minimumPasswordMetrics.length : length; 3460 } 3461 3462 // Return the strictest policy across all participating admins. 3463 List<ActiveAdmin> admins = 3464 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3465 final int N = admins.size(); 3466 for (int i = 0; i < N; i++) { 3467 ActiveAdmin admin = admins.get(i); 3468 if (length < admin.minimumPasswordMetrics.length) { 3469 length = admin.minimumPasswordMetrics.length; 3470 } 3471 } 3472 return length; 3473 } 3474 } 3475 3476 @Override 3477 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3478 if (!mHasFeature) { 3479 return; 3480 } 3481 Preconditions.checkNotNull(who, "ComponentName is null"); 3482 synchronized (this) { 3483 ActiveAdmin ap = getActiveAdminForCallerLocked( 3484 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3485 if (ap.passwordHistoryLength != length) { 3486 ap.passwordHistoryLength = length; 3487 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3488 } 3489 } 3490 } 3491 3492 @Override 3493 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3494 if (!mHasFeature) { 3495 return 0; 3496 } 3497 enforceFullCrossUsersPermission(userHandle); 3498 synchronized (this) { 3499 int length = 0; 3500 3501 if (who != null) { 3502 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3503 return admin != null ? admin.passwordHistoryLength : length; 3504 } 3505 3506 // Return the strictest policy across all participating admins. 3507 List<ActiveAdmin> admins = 3508 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3509 final int N = admins.size(); 3510 for (int i = 0; i < N; i++) { 3511 ActiveAdmin admin = admins.get(i); 3512 if (length < admin.passwordHistoryLength) { 3513 length = admin.passwordHistoryLength; 3514 } 3515 } 3516 3517 return length; 3518 } 3519 } 3520 3521 @Override 3522 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3523 if (!mHasFeature) { 3524 return; 3525 } 3526 Preconditions.checkNotNull(who, "ComponentName is null"); 3527 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3528 final int userHandle = mInjector.userHandleGetCallingUserId(); 3529 synchronized (this) { 3530 ActiveAdmin ap = getActiveAdminForCallerLocked( 3531 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3532 // Calling this API automatically bumps the expiration date 3533 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3534 ap.passwordExpirationDate = expiration; 3535 ap.passwordExpirationTimeout = timeout; 3536 if (timeout > 0L) { 3537 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3538 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3539 .format(new Date(expiration))); 3540 } 3541 saveSettingsLocked(userHandle); 3542 3543 // in case this is the first one, set the alarm on the appropriate user. 3544 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3545 } 3546 } 3547 3548 /** 3549 * Return a single admin's expiration cycle time, or the min of all cycle times. 3550 * Returns 0 if not configured. 3551 */ 3552 @Override 3553 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3554 if (!mHasFeature) { 3555 return 0L; 3556 } 3557 enforceFullCrossUsersPermission(userHandle); 3558 synchronized (this) { 3559 long timeout = 0L; 3560 3561 if (who != null) { 3562 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3563 return admin != null ? admin.passwordExpirationTimeout : timeout; 3564 } 3565 3566 // Return the strictest policy across all participating admins. 3567 List<ActiveAdmin> admins = 3568 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3569 final int N = admins.size(); 3570 for (int i = 0; i < N; i++) { 3571 ActiveAdmin admin = admins.get(i); 3572 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3573 && timeout > admin.passwordExpirationTimeout)) { 3574 timeout = admin.passwordExpirationTimeout; 3575 } 3576 } 3577 return timeout; 3578 } 3579 } 3580 3581 @Override 3582 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3583 final int userId = UserHandle.getCallingUserId(); 3584 List<String> changedProviders = null; 3585 3586 synchronized (this) { 3587 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3588 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3589 if (activeAdmin.crossProfileWidgetProviders == null) { 3590 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3591 } 3592 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3593 if (!providers.contains(packageName)) { 3594 providers.add(packageName); 3595 changedProviders = new ArrayList<>(providers); 3596 saveSettingsLocked(userId); 3597 } 3598 } 3599 3600 if (changedProviders != null) { 3601 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3602 return true; 3603 } 3604 3605 return false; 3606 } 3607 3608 @Override 3609 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3610 final int userId = UserHandle.getCallingUserId(); 3611 List<String> changedProviders = null; 3612 3613 synchronized (this) { 3614 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3615 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3616 if (activeAdmin.crossProfileWidgetProviders == null 3617 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3618 return false; 3619 } 3620 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3621 if (providers.remove(packageName)) { 3622 changedProviders = new ArrayList<>(providers); 3623 saveSettingsLocked(userId); 3624 } 3625 } 3626 3627 if (changedProviders != null) { 3628 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3629 return true; 3630 } 3631 3632 return false; 3633 } 3634 3635 @Override 3636 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3637 synchronized (this) { 3638 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3639 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3640 if (activeAdmin.crossProfileWidgetProviders == null 3641 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3642 return null; 3643 } 3644 if (mInjector.binderIsCallingUidMyUid()) { 3645 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3646 } else { 3647 return activeAdmin.crossProfileWidgetProviders; 3648 } 3649 } 3650 } 3651 3652 /** 3653 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3654 * Returns 0 if not configured. 3655 */ 3656 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3657 long timeout = 0L; 3658 3659 if (who != null) { 3660 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3661 return admin != null ? admin.passwordExpirationDate : timeout; 3662 } 3663 3664 // Return the strictest policy across all participating admins. 3665 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3666 final int N = admins.size(); 3667 for (int i = 0; i < N; i++) { 3668 ActiveAdmin admin = admins.get(i); 3669 if (timeout == 0L || (admin.passwordExpirationDate != 0 3670 && timeout > admin.passwordExpirationDate)) { 3671 timeout = admin.passwordExpirationDate; 3672 } 3673 } 3674 return timeout; 3675 } 3676 3677 @Override 3678 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3679 if (!mHasFeature) { 3680 return 0L; 3681 } 3682 enforceFullCrossUsersPermission(userHandle); 3683 synchronized (this) { 3684 return getPasswordExpirationLocked(who, userHandle, parent); 3685 } 3686 } 3687 3688 @Override 3689 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3690 if (!mHasFeature) { 3691 return; 3692 } 3693 Preconditions.checkNotNull(who, "ComponentName is null"); 3694 synchronized (this) { 3695 ActiveAdmin ap = getActiveAdminForCallerLocked( 3696 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3697 if (ap.minimumPasswordMetrics.upperCase != length) { 3698 ap.minimumPasswordMetrics.upperCase = length; 3699 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3700 } 3701 } 3702 } 3703 3704 @Override 3705 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3706 if (!mHasFeature) { 3707 return 0; 3708 } 3709 enforceFullCrossUsersPermission(userHandle); 3710 synchronized (this) { 3711 int length = 0; 3712 3713 if (who != null) { 3714 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3715 return admin != null ? admin.minimumPasswordMetrics.upperCase : length; 3716 } 3717 3718 // Return the strictest policy across all participating admins. 3719 List<ActiveAdmin> admins = 3720 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3721 final int N = admins.size(); 3722 for (int i = 0; i < N; i++) { 3723 ActiveAdmin admin = admins.get(i); 3724 if (length < admin.minimumPasswordMetrics.upperCase) { 3725 length = admin.minimumPasswordMetrics.upperCase; 3726 } 3727 } 3728 return length; 3729 } 3730 } 3731 3732 @Override 3733 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3734 Preconditions.checkNotNull(who, "ComponentName is null"); 3735 synchronized (this) { 3736 ActiveAdmin ap = getActiveAdminForCallerLocked( 3737 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3738 if (ap.minimumPasswordMetrics.lowerCase != length) { 3739 ap.minimumPasswordMetrics.lowerCase = length; 3740 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3741 } 3742 } 3743 } 3744 3745 @Override 3746 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3747 if (!mHasFeature) { 3748 return 0; 3749 } 3750 enforceFullCrossUsersPermission(userHandle); 3751 synchronized (this) { 3752 int length = 0; 3753 3754 if (who != null) { 3755 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3756 return admin != null ? admin.minimumPasswordMetrics.lowerCase : length; 3757 } 3758 3759 // Return the strictest policy across all participating admins. 3760 List<ActiveAdmin> admins = 3761 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3762 final int N = admins.size(); 3763 for (int i = 0; i < N; i++) { 3764 ActiveAdmin admin = admins.get(i); 3765 if (length < admin.minimumPasswordMetrics.lowerCase) { 3766 length = admin.minimumPasswordMetrics.lowerCase; 3767 } 3768 } 3769 return length; 3770 } 3771 } 3772 3773 @Override 3774 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3775 if (!mHasFeature) { 3776 return; 3777 } 3778 Preconditions.checkNotNull(who, "ComponentName is null"); 3779 synchronized (this) { 3780 ActiveAdmin ap = getActiveAdminForCallerLocked( 3781 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3782 if (ap.minimumPasswordMetrics.letters != length) { 3783 ap.minimumPasswordMetrics.letters = length; 3784 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3785 } 3786 } 3787 } 3788 3789 @Override 3790 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3791 if (!mHasFeature) { 3792 return 0; 3793 } 3794 enforceFullCrossUsersPermission(userHandle); 3795 synchronized (this) { 3796 int length = 0; 3797 3798 if (who != null) { 3799 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3800 return admin != null ? admin.minimumPasswordMetrics.letters : length; 3801 } 3802 3803 // Return the strictest policy across all participating admins. 3804 List<ActiveAdmin> admins = 3805 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3806 final int N = admins.size(); 3807 for (int i = 0; i < N; i++) { 3808 ActiveAdmin admin = admins.get(i); 3809 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3810 continue; 3811 } 3812 if (length < admin.minimumPasswordMetrics.letters) { 3813 length = admin.minimumPasswordMetrics.letters; 3814 } 3815 } 3816 return length; 3817 } 3818 } 3819 3820 @Override 3821 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3822 if (!mHasFeature) { 3823 return; 3824 } 3825 Preconditions.checkNotNull(who, "ComponentName is null"); 3826 synchronized (this) { 3827 ActiveAdmin ap = getActiveAdminForCallerLocked( 3828 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3829 if (ap.minimumPasswordMetrics.numeric != length) { 3830 ap.minimumPasswordMetrics.numeric = length; 3831 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3832 } 3833 } 3834 } 3835 3836 @Override 3837 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3838 if (!mHasFeature) { 3839 return 0; 3840 } 3841 enforceFullCrossUsersPermission(userHandle); 3842 synchronized (this) { 3843 int length = 0; 3844 3845 if (who != null) { 3846 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3847 return admin != null ? admin.minimumPasswordMetrics.numeric : length; 3848 } 3849 3850 // Return the strictest policy across all participating admins. 3851 List<ActiveAdmin> admins = 3852 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3853 final int N = admins.size(); 3854 for (int i = 0; i < N; i++) { 3855 ActiveAdmin admin = admins.get(i); 3856 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3857 continue; 3858 } 3859 if (length < admin.minimumPasswordMetrics.numeric) { 3860 length = admin.minimumPasswordMetrics.numeric; 3861 } 3862 } 3863 return length; 3864 } 3865 } 3866 3867 @Override 3868 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3869 if (!mHasFeature) { 3870 return; 3871 } 3872 Preconditions.checkNotNull(who, "ComponentName is null"); 3873 synchronized (this) { 3874 ActiveAdmin ap = getActiveAdminForCallerLocked( 3875 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3876 if (ap.minimumPasswordMetrics.symbols != length) { 3877 ap.minimumPasswordMetrics.symbols = length; 3878 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3879 } 3880 } 3881 } 3882 3883 @Override 3884 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3885 if (!mHasFeature) { 3886 return 0; 3887 } 3888 enforceFullCrossUsersPermission(userHandle); 3889 synchronized (this) { 3890 int length = 0; 3891 3892 if (who != null) { 3893 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3894 return admin != null ? admin.minimumPasswordMetrics.symbols : length; 3895 } 3896 3897 // Return the strictest policy across all participating admins. 3898 List<ActiveAdmin> admins = 3899 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3900 final int N = admins.size(); 3901 for (int i = 0; i < N; i++) { 3902 ActiveAdmin admin = admins.get(i); 3903 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3904 continue; 3905 } 3906 if (length < admin.minimumPasswordMetrics.symbols) { 3907 length = admin.minimumPasswordMetrics.symbols; 3908 } 3909 } 3910 return length; 3911 } 3912 } 3913 3914 @Override 3915 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 3916 if (!mHasFeature) { 3917 return; 3918 } 3919 Preconditions.checkNotNull(who, "ComponentName is null"); 3920 synchronized (this) { 3921 ActiveAdmin ap = getActiveAdminForCallerLocked( 3922 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3923 if (ap.minimumPasswordMetrics.nonLetter != length) { 3924 ap.minimumPasswordMetrics.nonLetter = length; 3925 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3926 } 3927 } 3928 } 3929 3930 @Override 3931 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 3932 if (!mHasFeature) { 3933 return 0; 3934 } 3935 enforceFullCrossUsersPermission(userHandle); 3936 synchronized (this) { 3937 int length = 0; 3938 3939 if (who != null) { 3940 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3941 return admin != null ? admin.minimumPasswordMetrics.nonLetter : length; 3942 } 3943 3944 // Return the strictest policy across all participating admins. 3945 List<ActiveAdmin> admins = 3946 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3947 final int N = admins.size(); 3948 for (int i = 0; i < N; i++) { 3949 ActiveAdmin admin = admins.get(i); 3950 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3951 continue; 3952 } 3953 if (length < admin.minimumPasswordMetrics.nonLetter) { 3954 length = admin.minimumPasswordMetrics.nonLetter; 3955 } 3956 } 3957 return length; 3958 } 3959 } 3960 3961 @Override 3962 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3963 if (!mHasFeature) { 3964 return true; 3965 } 3966 enforceFullCrossUsersPermission(userHandle); 3967 3968 synchronized (this) { 3969 // This API can only be called by an active device admin, 3970 // so try to retrieve it to check that the caller is one. 3971 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3972 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3973 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 3974 } 3975 } 3976 3977 @Override 3978 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 3979 if (!mHasFeature) { 3980 return true; 3981 } 3982 enforceFullCrossUsersPermission(userHandle); 3983 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 3984 3985 synchronized (this) { 3986 int targetUser = getProfileParentId(userHandle); 3987 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 3988 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 3989 } 3990 } 3991 3992 private boolean isActivePasswordSufficientForUserLocked( 3993 DevicePolicyData policy, int userHandle, boolean parent) { 3994 enforceUserUnlocked(userHandle, parent); 3995 3996 final int requiredPasswordQuality = getPasswordQuality(null, userHandle, parent); 3997 if (policy.mActivePasswordMetrics.quality < requiredPasswordQuality) { 3998 return false; 3999 } 4000 if (requiredPasswordQuality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC 4001 && policy.mActivePasswordMetrics.length < getPasswordMinimumLength( 4002 null, userHandle, parent)) { 4003 return false; 4004 } 4005 if (requiredPasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4006 return true; 4007 } 4008 return policy.mActivePasswordMetrics.upperCase >= getPasswordMinimumUpperCase( 4009 null, userHandle, parent) 4010 && policy.mActivePasswordMetrics.lowerCase >= getPasswordMinimumLowerCase( 4011 null, userHandle, parent) 4012 && policy.mActivePasswordMetrics.letters >= getPasswordMinimumLetters( 4013 null, userHandle, parent) 4014 && policy.mActivePasswordMetrics.numeric >= getPasswordMinimumNumeric( 4015 null, userHandle, parent) 4016 && policy.mActivePasswordMetrics.symbols >= getPasswordMinimumSymbols( 4017 null, userHandle, parent) 4018 && policy.mActivePasswordMetrics.nonLetter >= getPasswordMinimumNonLetter( 4019 null, userHandle, parent); 4020 } 4021 4022 @Override 4023 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 4024 enforceFullCrossUsersPermission(userHandle); 4025 synchronized (this) { 4026 if (!isCallerWithSystemUid()) { 4027 // This API can only be called by an active device admin, 4028 // so try to retrieve it to check that the caller is one. 4029 getActiveAdminForCallerLocked( 4030 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 4031 } 4032 4033 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 4034 4035 return policy.mFailedPasswordAttempts; 4036 } 4037 } 4038 4039 @Override 4040 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 4041 if (!mHasFeature) { 4042 return; 4043 } 4044 Preconditions.checkNotNull(who, "ComponentName is null"); 4045 synchronized (this) { 4046 // This API can only be called by an active device admin, 4047 // so try to retrieve it to check that the caller is one. 4048 getActiveAdminForCallerLocked( 4049 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 4050 ActiveAdmin ap = getActiveAdminForCallerLocked( 4051 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 4052 if (ap.maximumFailedPasswordsForWipe != num) { 4053 ap.maximumFailedPasswordsForWipe = num; 4054 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 4055 } 4056 } 4057 } 4058 4059 @Override 4060 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 4061 if (!mHasFeature) { 4062 return 0; 4063 } 4064 enforceFullCrossUsersPermission(userHandle); 4065 synchronized (this) { 4066 ActiveAdmin admin = (who != null) 4067 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 4068 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 4069 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 4070 } 4071 } 4072 4073 @Override 4074 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 4075 if (!mHasFeature) { 4076 return UserHandle.USER_NULL; 4077 } 4078 enforceFullCrossUsersPermission(userHandle); 4079 synchronized (this) { 4080 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4081 userHandle, parent); 4082 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 4083 } 4084 } 4085 4086 /** 4087 * Returns the admin with the strictest policy on maximum failed passwords for: 4088 * <ul> 4089 * <li>this user if it has a separate profile challenge, or 4090 * <li>this user and all profiles that don't have their own challenge otherwise. 4091 * </ul> 4092 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 4093 * the primary profile. 4094 * Returns {@code null} if no participating admin has that policy set. 4095 */ 4096 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 4097 int userHandle, boolean parent) { 4098 int count = 0; 4099 ActiveAdmin strictestAdmin = null; 4100 4101 // Return the strictest policy across all participating admins. 4102 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 4103 final int N = admins.size(); 4104 for (int i = 0; i < N; i++) { 4105 ActiveAdmin admin = admins.get(i); 4106 if (admin.maximumFailedPasswordsForWipe == 4107 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 4108 continue; // No max number of failed passwords policy set for this profile. 4109 } 4110 4111 // We always favor the primary profile if several profiles have the same value set. 4112 int userId = admin.getUserHandle().getIdentifier(); 4113 if (count == 0 || 4114 count > admin.maximumFailedPasswordsForWipe || 4115 (count == admin.maximumFailedPasswordsForWipe && 4116 getUserInfo(userId).isPrimary())) { 4117 count = admin.maximumFailedPasswordsForWipe; 4118 strictestAdmin = admin; 4119 } 4120 } 4121 return strictestAdmin; 4122 } 4123 4124 private UserInfo getUserInfo(@UserIdInt int userId) { 4125 final long token = mInjector.binderClearCallingIdentity(); 4126 try { 4127 return mUserManager.getUserInfo(userId); 4128 } finally { 4129 mInjector.binderRestoreCallingIdentity(token); 4130 } 4131 } 4132 @Override 4133 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 4134 final int callingUid = mInjector.binderGetCallingUid(); 4135 final int userHandle = mInjector.userHandleGetCallingUserId(); 4136 4137 String password = passwordOrNull != null ? passwordOrNull : ""; 4138 4139 // Password resetting to empty/null is not allowed for managed profiles. 4140 if (TextUtils.isEmpty(password)) { 4141 enforceNotManagedProfile(userHandle, "clear the active password"); 4142 } 4143 4144 synchronized (this) { 4145 // If caller has PO (or DO) it can change the password, so see if that's the case first. 4146 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 4147 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 4148 final boolean preN; 4149 if (admin != null) { 4150 final int targetSdk = getTargetSdk(admin.info.getPackageName(), userHandle); 4151 if (targetSdk >= Build.VERSION_CODES.O) { 4152 throw new SecurityException("resetPassword() is deprecated for DPC targeting O" 4153 + " or later"); 4154 } 4155 preN = targetSdk <= android.os.Build.VERSION_CODES.M; 4156 } else { 4157 // Otherwise, make sure the caller has any active admin with the right policy. 4158 admin = getActiveAdminForCallerLocked(null, 4159 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 4160 preN = getTargetSdk(admin.info.getPackageName(), 4161 userHandle) <= android.os.Build.VERSION_CODES.M; 4162 4163 // As of N, password resetting to empty/null is not allowed anymore. 4164 // TODO Should we allow DO/PO to set an empty password? 4165 if (TextUtils.isEmpty(password)) { 4166 if (!preN) { 4167 throw new SecurityException("Cannot call with null password"); 4168 } else { 4169 Slog.e(LOG_TAG, "Cannot call with null password"); 4170 return false; 4171 } 4172 } 4173 // As of N, password cannot be changed by the admin if it is already set. 4174 if (isLockScreenSecureUnchecked(userHandle)) { 4175 if (!preN) { 4176 throw new SecurityException("Admin cannot change current password"); 4177 } else { 4178 Slog.e(LOG_TAG, "Admin cannot change current password"); 4179 return false; 4180 } 4181 } 4182 } 4183 // Do not allow to reset password when current user has a managed profile 4184 if (!isManagedProfile(userHandle)) { 4185 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4186 if (userInfo.isManagedProfile()) { 4187 if (!preN) { 4188 throw new IllegalStateException( 4189 "Cannot reset password on user has managed profile"); 4190 } else { 4191 Slog.e(LOG_TAG, "Cannot reset password on user has managed profile"); 4192 return false; 4193 } 4194 } 4195 } 4196 } 4197 // Do not allow to reset password when user is locked 4198 if (!mUserManager.isUserUnlocked(userHandle)) { 4199 if (!preN) { 4200 throw new IllegalStateException("Cannot reset password when user is locked"); 4201 } else { 4202 Slog.e(LOG_TAG, "Cannot reset password when user is locked"); 4203 return false; 4204 } 4205 } 4206 } 4207 4208 return resetPasswordInternal(password, 0, null, flags, callingUid, userHandle); 4209 } 4210 4211 private boolean resetPasswordInternal(String password, long tokenHandle, byte[] token, 4212 int flags, int callingUid, int userHandle) { 4213 int quality; 4214 synchronized (this) { 4215 quality = getPasswordQuality(null, userHandle, /* parent */ false); 4216 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 4217 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 4218 } 4219 final PasswordMetrics metrics = PasswordMetrics.computeForPassword(password); 4220 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 4221 final int realQuality = metrics.quality; 4222 if (realQuality < quality 4223 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4224 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 4225 + Integer.toHexString(realQuality) 4226 + " does not meet required quality 0x" 4227 + Integer.toHexString(quality)); 4228 return false; 4229 } 4230 quality = Math.max(realQuality, quality); 4231 } 4232 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 4233 if (password.length() < length) { 4234 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 4235 + " does not meet required length " + length); 4236 return false; 4237 } 4238 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4239 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 4240 if(metrics.letters < neededLetters) { 4241 Slog.w(LOG_TAG, "resetPassword: number of letters " + metrics.letters 4242 + " does not meet required number of letters " + neededLetters); 4243 return false; 4244 } 4245 int neededNumeric = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 4246 if (metrics.numeric < neededNumeric) { 4247 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + metrics.numeric 4248 + " does not meet required number of numerical digits " 4249 + neededNumeric); 4250 return false; 4251 } 4252 int neededLowerCase = getPasswordMinimumLowerCase( 4253 null, userHandle, /* parent */ false); 4254 if (metrics.lowerCase < neededLowerCase) { 4255 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " 4256 + metrics.lowerCase 4257 + " does not meet required number of lowercase letters " 4258 + neededLowerCase); 4259 return false; 4260 } 4261 int neededUpperCase = getPasswordMinimumUpperCase( 4262 null, userHandle, /* parent */ false); 4263 if (metrics.upperCase < neededUpperCase) { 4264 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " 4265 + metrics.upperCase 4266 + " does not meet required number of uppercase letters " 4267 + neededUpperCase); 4268 return false; 4269 } 4270 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 4271 if (metrics.symbols < neededSymbols) { 4272 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + metrics.symbols 4273 + " does not meet required number of special symbols " + neededSymbols); 4274 return false; 4275 } 4276 int neededNonLetter = getPasswordMinimumNonLetter( 4277 null, userHandle, /* parent */ false); 4278 if (metrics.nonLetter < neededNonLetter) { 4279 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " 4280 + metrics.nonLetter 4281 + " does not meet required number of non-letter characters " 4282 + neededNonLetter); 4283 return false; 4284 } 4285 } 4286 } 4287 4288 DevicePolicyData policy = getUserData(userHandle); 4289 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 4290 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 4291 return false; 4292 } 4293 4294 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 4295 boolean doNotAskCredentialsOnBoot = 4296 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 4297 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 4298 setDoNotAskCredentialsOnBoot(); 4299 } 4300 4301 // Don't do this with the lock held, because it is going to call 4302 // back in to the service. 4303 final long ident = mInjector.binderClearCallingIdentity(); 4304 final boolean result; 4305 try { 4306 if (token == null) { 4307 if (!TextUtils.isEmpty(password)) { 4308 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 4309 } else { 4310 mLockPatternUtils.clearLock(null, userHandle); 4311 } 4312 result = true; 4313 } else { 4314 result = mLockPatternUtils.setLockCredentialWithToken(password, 4315 TextUtils.isEmpty(password) ? LockPatternUtils.CREDENTIAL_TYPE_NONE 4316 : LockPatternUtils.CREDENTIAL_TYPE_PASSWORD, 4317 tokenHandle, token, userHandle); 4318 } 4319 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 4320 if (requireEntry) { 4321 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 4322 UserHandle.USER_ALL); 4323 } 4324 synchronized (this) { 4325 int newOwner = requireEntry ? callingUid : -1; 4326 if (policy.mPasswordOwner != newOwner) { 4327 policy.mPasswordOwner = newOwner; 4328 saveSettingsLocked(userHandle); 4329 } 4330 } 4331 } finally { 4332 mInjector.binderRestoreCallingIdentity(ident); 4333 } 4334 return result; 4335 } 4336 4337 private boolean isLockScreenSecureUnchecked(int userId) { 4338 long ident = mInjector.binderClearCallingIdentity(); 4339 try { 4340 return mLockPatternUtils.isSecure(userId); 4341 } finally { 4342 mInjector.binderRestoreCallingIdentity(ident); 4343 } 4344 } 4345 4346 private void setDoNotAskCredentialsOnBoot() { 4347 synchronized (this) { 4348 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4349 if (!policyData.doNotAskCredentialsOnBoot) { 4350 policyData.doNotAskCredentialsOnBoot = true; 4351 saveSettingsLocked(UserHandle.USER_SYSTEM); 4352 } 4353 } 4354 } 4355 4356 @Override 4357 public boolean getDoNotAskCredentialsOnBoot() { 4358 mContext.enforceCallingOrSelfPermission( 4359 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 4360 synchronized (this) { 4361 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4362 return policyData.doNotAskCredentialsOnBoot; 4363 } 4364 } 4365 4366 @Override 4367 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 4368 if (!mHasFeature) { 4369 return; 4370 } 4371 Preconditions.checkNotNull(who, "ComponentName is null"); 4372 final int userHandle = mInjector.userHandleGetCallingUserId(); 4373 synchronized (this) { 4374 ActiveAdmin ap = getActiveAdminForCallerLocked( 4375 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4376 if (ap.maximumTimeToUnlock != timeMs) { 4377 ap.maximumTimeToUnlock = timeMs; 4378 saveSettingsLocked(userHandle); 4379 updateMaximumTimeToLockLocked(userHandle); 4380 } 4381 } 4382 } 4383 4384 void updateMaximumTimeToLockLocked(int userHandle) { 4385 // Calculate the min timeout for all profiles - including the ones with a separate 4386 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 4387 // challenge only and keep the screen on. However there is no easy way of doing that at the 4388 // moment so we set the screen off timeout regardless of whether it affects the parent user 4389 // or the profile challenge only. 4390 long timeMs = Long.MAX_VALUE; 4391 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 4392 for (int profileId : profileIds) { 4393 DevicePolicyData policy = getUserDataUnchecked(profileId); 4394 final int N = policy.mAdminList.size(); 4395 for (int i = 0; i < N; i++) { 4396 ActiveAdmin admin = policy.mAdminList.get(i); 4397 if (admin.maximumTimeToUnlock > 0 4398 && timeMs > admin.maximumTimeToUnlock) { 4399 timeMs = admin.maximumTimeToUnlock; 4400 } 4401 // If userInfo.id is a managed profile, we also need to look at 4402 // the policies set on the parent. 4403 if (admin.hasParentActiveAdmin()) { 4404 final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); 4405 if (parentAdmin.maximumTimeToUnlock > 0 4406 && timeMs > parentAdmin.maximumTimeToUnlock) { 4407 timeMs = parentAdmin.maximumTimeToUnlock; 4408 } 4409 } 4410 } 4411 } 4412 4413 // We only store the last maximum time to lock on the parent profile. So if calling from a 4414 // managed profile, retrieve the policy for the parent. 4415 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 4416 if (policy.mLastMaximumTimeToLock == timeMs) { 4417 return; 4418 } 4419 policy.mLastMaximumTimeToLock = timeMs; 4420 4421 final long ident = mInjector.binderClearCallingIdentity(); 4422 try { 4423 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 4424 // Make sure KEEP_SCREEN_ON is disabled, since that 4425 // would allow bypassing of the maximum time to lock. 4426 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 4427 } 4428 4429 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 4430 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 4431 } finally { 4432 mInjector.binderRestoreCallingIdentity(ident); 4433 } 4434 } 4435 4436 @Override 4437 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 4438 if (!mHasFeature) { 4439 return 0; 4440 } 4441 enforceFullCrossUsersPermission(userHandle); 4442 synchronized (this) { 4443 if (who != null) { 4444 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4445 return admin != null ? admin.maximumTimeToUnlock : 0; 4446 } 4447 // Return the strictest policy across all participating admins. 4448 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4449 userHandle, parent); 4450 return getMaximumTimeToLockPolicyFromAdmins(admins); 4451 } 4452 } 4453 4454 @Override 4455 public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { 4456 if (!mHasFeature) { 4457 return 0; 4458 } 4459 enforceFullCrossUsersPermission(userHandle); 4460 synchronized (this) { 4461 // All admins for this user. 4462 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 4463 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4464 DevicePolicyData policy = getUserData(userInfo.id); 4465 admins.addAll(policy.mAdminList); 4466 // If it is a managed profile, it may have parent active admins 4467 if (userInfo.isManagedProfile()) { 4468 for (ActiveAdmin admin : policy.mAdminList) { 4469 if (admin.hasParentActiveAdmin()) { 4470 admins.add(admin.getParentActiveAdmin()); 4471 } 4472 } 4473 } 4474 } 4475 return getMaximumTimeToLockPolicyFromAdmins(admins); 4476 } 4477 } 4478 4479 private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { 4480 long time = 0; 4481 final int N = admins.size(); 4482 for (int i = 0; i < N; i++) { 4483 ActiveAdmin admin = admins.get(i); 4484 if (time == 0) { 4485 time = admin.maximumTimeToUnlock; 4486 } else if (admin.maximumTimeToUnlock != 0 4487 && time > admin.maximumTimeToUnlock) { 4488 time = admin.maximumTimeToUnlock; 4489 } 4490 } 4491 return time; 4492 } 4493 4494 @Override 4495 public void setRequiredStrongAuthTimeout(ComponentName who, long timeoutMs, 4496 boolean parent) { 4497 if (!mHasFeature) { 4498 return; 4499 } 4500 Preconditions.checkNotNull(who, "ComponentName is null"); 4501 Preconditions.checkArgument(timeoutMs >= 0, "Timeout must not be a negative number."); 4502 // timeoutMs with value 0 means that the admin doesn't participate 4503 // timeoutMs is clamped to the interval in case the internal constants change in the future 4504 final long minimumStrongAuthTimeout = getMinimumStrongAuthTimeoutMs(); 4505 if (timeoutMs != 0 && timeoutMs < minimumStrongAuthTimeout) { 4506 timeoutMs = minimumStrongAuthTimeout; 4507 } 4508 if (timeoutMs > DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 4509 timeoutMs = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4510 } 4511 4512 final int userHandle = mInjector.userHandleGetCallingUserId(); 4513 synchronized (this) { 4514 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4515 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, parent); 4516 if (ap.strongAuthUnlockTimeout != timeoutMs) { 4517 ap.strongAuthUnlockTimeout = timeoutMs; 4518 saveSettingsLocked(userHandle); 4519 } 4520 } 4521 } 4522 4523 /** 4524 * Return a single admin's strong auth unlock timeout or minimum value (strictest) of all 4525 * admins if who is null. 4526 * Returns 0 if not configured for the provided admin. 4527 */ 4528 @Override 4529 public long getRequiredStrongAuthTimeout(ComponentName who, int userId, boolean parent) { 4530 if (!mHasFeature) { 4531 return DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4532 } 4533 enforceFullCrossUsersPermission(userId); 4534 synchronized (this) { 4535 if (who != null) { 4536 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userId, parent); 4537 return admin != null ? admin.strongAuthUnlockTimeout : 0; 4538 } 4539 4540 // Return the strictest policy across all participating admins. 4541 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userId, parent); 4542 4543 long strongAuthUnlockTimeout = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4544 for (int i = 0; i < admins.size(); i++) { 4545 final long timeout = admins.get(i).strongAuthUnlockTimeout; 4546 if (timeout != 0) { // take only participating admins into account 4547 strongAuthUnlockTimeout = Math.min(timeout, strongAuthUnlockTimeout); 4548 } 4549 } 4550 return Math.max(strongAuthUnlockTimeout, getMinimumStrongAuthTimeoutMs()); 4551 } 4552 } 4553 4554 private long getMinimumStrongAuthTimeoutMs() { 4555 if (!mInjector.isBuildDebuggable()) { 4556 return MINIMUM_STRONG_AUTH_TIMEOUT_MS; 4557 } 4558 // ideally the property was named persist.sys.min_strong_auth_timeout, but system property 4559 // name cannot be longer than 31 characters 4560 return Math.min(mInjector.systemPropertiesGetLong("persist.sys.min_str_auth_timeo", 4561 MINIMUM_STRONG_AUTH_TIMEOUT_MS), 4562 MINIMUM_STRONG_AUTH_TIMEOUT_MS); 4563 } 4564 4565 @Override 4566 public void lockNow(int flags, boolean parent) { 4567 if (!mHasFeature) { 4568 return; 4569 } 4570 4571 final int callingUserId = mInjector.userHandleGetCallingUserId(); 4572 synchronized (this) { 4573 // This API can only be called by an active device admin, 4574 // so try to retrieve it to check that the caller is one. 4575 final ActiveAdmin admin = getActiveAdminForCallerLocked( 4576 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4577 4578 final long ident = mInjector.binderClearCallingIdentity(); 4579 try { 4580 // Evict key 4581 if ((flags & DevicePolicyManager.FLAG_EVICT_CE_KEY) != 0) { 4582 enforceManagedProfile(callingUserId, "set FLAG_EVICT_CE_KEY"); 4583 if (!isProfileOwner(admin.info.getComponent(), callingUserId)) { 4584 throw new SecurityException( 4585 "Only profile owner admins can set FLAG_EVICT_CE_KEY"); 4586 } 4587 if (parent) { 4588 throw new IllegalArgumentException( 4589 "Cannot set FLAG_EVICT_CE_KEY for the parent"); 4590 } 4591 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 4592 throw new UnsupportedOperationException( 4593 "FLAG_EVICT_CE_KEY only applies to FBE devices"); 4594 } 4595 mUserManager.evictCredentialEncryptionKey(callingUserId); 4596 } 4597 4598 // Lock all users unless this is a managed profile with a separate challenge 4599 final int userToLock = (parent || !isSeparateProfileChallengeEnabled(callingUserId) 4600 ? UserHandle.USER_ALL : callingUserId); 4601 mLockPatternUtils.requireStrongAuth( 4602 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 4603 4604 // Require authentication for the device or profile 4605 if (userToLock == UserHandle.USER_ALL) { 4606 // Power off the display 4607 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 4608 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 4609 mInjector.getIWindowManager().lockNow(null); 4610 } else { 4611 mInjector.getTrustManager().setDeviceLockedForUser(userToLock, true); 4612 } 4613 } catch (RemoteException e) { 4614 } finally { 4615 mInjector.binderRestoreCallingIdentity(ident); 4616 } 4617 } 4618 } 4619 4620 @Override 4621 public void enforceCanManageCaCerts(ComponentName who, String callerPackage) { 4622 if (who == null) { 4623 if (!isCallerDelegate(callerPackage, DELEGATION_CERT_INSTALL)) { 4624 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4625 } 4626 } else { 4627 enforceProfileOrDeviceOwner(who); 4628 } 4629 } 4630 4631 private void enforceProfileOrDeviceOwner(ComponentName who) { 4632 synchronized (this) { 4633 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4634 } 4635 } 4636 4637 @Override 4638 public boolean approveCaCert(String alias, int userId, boolean approval) { 4639 enforceManageUsers(); 4640 synchronized (this) { 4641 Set<String> certs = getUserData(userId).mAcceptedCaCertificates; 4642 boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); 4643 if (!changed) { 4644 return false; 4645 } 4646 saveSettingsLocked(userId); 4647 } 4648 new MonitoringCertNotificationTask(this, mInjector).execute(userId); 4649 return true; 4650 } 4651 4652 @Override 4653 public boolean isCaCertApproved(String alias, int userId) { 4654 enforceManageUsers(); 4655 synchronized (this) { 4656 return getUserData(userId).mAcceptedCaCertificates.contains(alias); 4657 } 4658 } 4659 4660 private void removeCaApprovalsIfNeeded(int userId) { 4661 for (UserInfo userInfo : mUserManager.getProfiles(userId)) { 4662 boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); 4663 if (userInfo.isManagedProfile()){ 4664 isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); 4665 } 4666 if (!isSecure) { 4667 synchronized (this) { 4668 getUserData(userInfo.id).mAcceptedCaCertificates.clear(); 4669 saveSettingsLocked(userInfo.id); 4670 } 4671 4672 new MonitoringCertNotificationTask(this, mInjector).execute(userInfo.id); 4673 } 4674 } 4675 } 4676 4677 @Override 4678 public boolean installCaCert(ComponentName admin, String callerPackage, byte[] certBuffer) 4679 throws RemoteException { 4680 enforceCanManageCaCerts(admin, callerPackage); 4681 4682 byte[] pemCert; 4683 try { 4684 X509Certificate cert = parseCert(certBuffer); 4685 pemCert = Credentials.convertToPem(cert); 4686 } catch (CertificateException ce) { 4687 Log.e(LOG_TAG, "Problem converting cert", ce); 4688 return false; 4689 } catch (IOException ioe) { 4690 Log.e(LOG_TAG, "Problem reading cert", ioe); 4691 return false; 4692 } 4693 4694 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4695 final long id = mInjector.binderClearCallingIdentity(); 4696 try { 4697 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4698 try { 4699 keyChainConnection.getService().installCaCertificate(pemCert); 4700 return true; 4701 } catch (RemoteException e) { 4702 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 4703 } finally { 4704 keyChainConnection.close(); 4705 } 4706 } catch (InterruptedException e1) { 4707 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 4708 Thread.currentThread().interrupt(); 4709 } finally { 4710 mInjector.binderRestoreCallingIdentity(id); 4711 } 4712 return false; 4713 } 4714 4715 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 4716 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 4717 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 4718 certBuffer)); 4719 } 4720 4721 @Override 4722 public void uninstallCaCerts(ComponentName admin, String callerPackage, String[] aliases) { 4723 enforceCanManageCaCerts(admin, callerPackage); 4724 4725 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4726 final long id = mInjector.binderClearCallingIdentity(); 4727 try { 4728 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4729 try { 4730 for (int i = 0 ; i < aliases.length; i++) { 4731 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 4732 } 4733 } catch (RemoteException e) { 4734 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 4735 } finally { 4736 keyChainConnection.close(); 4737 } 4738 } catch (InterruptedException ie) { 4739 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 4740 Thread.currentThread().interrupt(); 4741 } finally { 4742 mInjector.binderRestoreCallingIdentity(id); 4743 } 4744 } 4745 4746 @Override 4747 public boolean installKeyPair(ComponentName who, String callerPackage, byte[] privKey, 4748 byte[] cert, byte[] chain, String alias, boolean requestAccess) { 4749 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 4750 DELEGATION_CERT_INSTALL); 4751 4752 4753 final int callingUid = mInjector.binderGetCallingUid(); 4754 final long id = mInjector.binderClearCallingIdentity(); 4755 try { 4756 final KeyChainConnection keyChainConnection = 4757 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4758 try { 4759 IKeyChainService keyChain = keyChainConnection.getService(); 4760 if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { 4761 return false; 4762 } 4763 if (requestAccess) { 4764 keyChain.setGrant(callingUid, alias, true); 4765 } 4766 return true; 4767 } catch (RemoteException e) { 4768 Log.e(LOG_TAG, "Installing certificate", e); 4769 } finally { 4770 keyChainConnection.close(); 4771 } 4772 } catch (InterruptedException e) { 4773 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4774 Thread.currentThread().interrupt(); 4775 } finally { 4776 mInjector.binderRestoreCallingIdentity(id); 4777 } 4778 return false; 4779 } 4780 4781 @Override 4782 public boolean removeKeyPair(ComponentName who, String callerPackage, String alias) { 4783 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 4784 DELEGATION_CERT_INSTALL); 4785 4786 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4787 final long id = Binder.clearCallingIdentity(); 4788 try { 4789 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4790 try { 4791 IKeyChainService keyChain = keyChainConnection.getService(); 4792 return keyChain.removeKeyPair(alias); 4793 } catch (RemoteException e) { 4794 Log.e(LOG_TAG, "Removing keypair", e); 4795 } finally { 4796 keyChainConnection.close(); 4797 } 4798 } catch (InterruptedException e) { 4799 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4800 Thread.currentThread().interrupt(); 4801 } finally { 4802 Binder.restoreCallingIdentity(id); 4803 } 4804 return false; 4805 } 4806 4807 @Override 4808 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4809 final IBinder response) { 4810 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4811 if (!isCallerWithSystemUid()) { 4812 return; 4813 } 4814 4815 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4816 // If there is a profile owner, redirect to that; otherwise query the device owner. 4817 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4818 if (aliasChooser == null && caller.isSystem()) { 4819 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4820 if (deviceOwnerAdmin != null) { 4821 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4822 } 4823 } 4824 if (aliasChooser == null) { 4825 sendPrivateKeyAliasResponse(null, response); 4826 return; 4827 } 4828 4829 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4830 intent.setComponent(aliasChooser); 4831 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4832 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4833 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4834 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4835 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4836 4837 final long id = mInjector.binderClearCallingIdentity(); 4838 try { 4839 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4840 @Override 4841 public void onReceive(Context context, Intent intent) { 4842 final String chosenAlias = getResultData(); 4843 sendPrivateKeyAliasResponse(chosenAlias, response); 4844 } 4845 }, null, Activity.RESULT_OK, null, null); 4846 } finally { 4847 mInjector.binderRestoreCallingIdentity(id); 4848 } 4849 } 4850 4851 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4852 final IKeyChainAliasCallback keyChainAliasResponse = 4853 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4854 // Send the response. It's OK to do this from the main thread because IKeyChainAliasCallback 4855 // is oneway, which means it won't block if the recipient lives in another process. 4856 try { 4857 keyChainAliasResponse.alias(alias); 4858 } catch (Exception e) { 4859 // Caller could throw RuntimeException or RemoteException back across processes. Catch 4860 // everything just to be sure. 4861 Log.e(LOG_TAG, "error while responding to callback", e); 4862 } 4863 } 4864 4865 /** 4866 * Determine whether DPMS should check if a delegate package is already installed before 4867 * granting it new delegations via {@link #setDelegatedScopes}. 4868 */ 4869 private static boolean shouldCheckIfDelegatePackageIsInstalled(String delegatePackage, 4870 int targetSdk, List<String> scopes) { 4871 // 1) Never skip is installed check from N. 4872 if (targetSdk >= Build.VERSION_CODES.N) { 4873 return true; 4874 } 4875 // 2) Skip if DELEGATION_CERT_INSTALL is the only scope being given. 4876 if (scopes.size() == 1 && scopes.get(0).equals(DELEGATION_CERT_INSTALL)) { 4877 return false; 4878 } 4879 // 3) Skip if all previously granted scopes are being cleared. 4880 if (scopes.isEmpty()) { 4881 return false; 4882 } 4883 // Otherwise it should check that delegatePackage is installed. 4884 return true; 4885 } 4886 4887 /** 4888 * Set the scopes of a device owner or profile owner delegate. 4889 * 4890 * @param who the device owner or profile owner. 4891 * @param delegatePackage the name of the delegate package. 4892 * @param scopes the list of delegation scopes to be given to the delegate package. 4893 */ 4894 @Override 4895 public void setDelegatedScopes(ComponentName who, String delegatePackage, 4896 List<String> scopes) throws SecurityException { 4897 Preconditions.checkNotNull(who, "ComponentName is null"); 4898 Preconditions.checkStringNotEmpty(delegatePackage, "Delegate package is null or empty"); 4899 Preconditions.checkCollectionElementsNotNull(scopes, "Scopes"); 4900 // Remove possible duplicates. 4901 scopes = new ArrayList(new ArraySet(scopes)); 4902 // Ensure given scopes are valid. 4903 if (scopes.retainAll(Arrays.asList(DELEGATIONS))) { 4904 throw new IllegalArgumentException("Unexpected delegation scopes"); 4905 } 4906 4907 // Retrieve the user ID of the calling process. 4908 final int userId = mInjector.userHandleGetCallingUserId(); 4909 synchronized (this) { 4910 // Ensure calling process is device/profile owner. 4911 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4912 // Ensure the delegate is installed (skip this for DELEGATION_CERT_INSTALL in pre-N). 4913 if (shouldCheckIfDelegatePackageIsInstalled(delegatePackage, 4914 getTargetSdk(who.getPackageName(), userId), scopes)) { 4915 // Throw when the delegate package is not installed. 4916 if (!isPackageInstalledForUser(delegatePackage, userId)) { 4917 throw new IllegalArgumentException("Package " + delegatePackage 4918 + " is not installed on the current user"); 4919 } 4920 } 4921 4922 // Set the new delegate in user policies. 4923 final DevicePolicyData policy = getUserData(userId); 4924 if (!scopes.isEmpty()) { 4925 policy.mDelegationMap.put(delegatePackage, new ArrayList<>(scopes)); 4926 } else { 4927 // Remove any delegation info if the given scopes list is empty. 4928 policy.mDelegationMap.remove(delegatePackage); 4929 } 4930 4931 // Notify delegate package of updates. 4932 final Intent intent = new Intent( 4933 DevicePolicyManager.ACTION_APPLICATION_DELEGATION_SCOPES_CHANGED); 4934 // Only call receivers registered with Context#registerReceiver (don’t wake delegate). 4935 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 4936 // Limit components this intent resolves to to the delegate package. 4937 intent.setPackage(delegatePackage); 4938 // Include the list of delegated scopes as an extra. 4939 intent.putStringArrayListExtra(DevicePolicyManager.EXTRA_DELEGATION_SCOPES, 4940 (ArrayList<String>) scopes); 4941 // Send the broadcast. 4942 mContext.sendBroadcastAsUser(intent, UserHandle.of(userId)); 4943 4944 // Persist updates. 4945 saveSettingsLocked(userId); 4946 } 4947 } 4948 4949 /** 4950 * Get the delegation scopes given to a delegate package by a device owner or profile owner. 4951 * 4952 * A DO/PO can get the scopes of any package. A non DO/PO package can get its own scopes by 4953 * passing in {@code null} as the {@code who} parameter and its own name as the 4954 * {@code delegatepackage}. 4955 * 4956 * @param who the device owner or profile owner, or {@code null} if the caller is 4957 * {@code delegatePackage}. 4958 * @param delegatePackage the name of the delegate package whose scopes are to be retrieved. 4959 * @return a list of the delegation scopes currently given to {@code delegatePackage}. 4960 */ 4961 @Override 4962 @NonNull 4963 public List<String> getDelegatedScopes(ComponentName who, 4964 String delegatePackage) throws SecurityException { 4965 Preconditions.checkNotNull(delegatePackage, "Delegate package is null"); 4966 4967 // Retrieve the user ID of the calling process. 4968 final int callingUid = mInjector.binderGetCallingUid(); 4969 final int userId = UserHandle.getUserId(callingUid); 4970 synchronized (this) { 4971 // Ensure calling process is device/profile owner. 4972 if (who != null) { 4973 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4974 // Or ensure calling process is delegatePackage itself. 4975 } else { 4976 int uid = 0; 4977 try { 4978 uid = mInjector.getPackageManager() 4979 .getPackageUidAsUser(delegatePackage, userId); 4980 } catch(NameNotFoundException e) { 4981 } 4982 if (uid != callingUid) { 4983 throw new SecurityException("Caller with uid " + callingUid + " is not " 4984 + delegatePackage); 4985 } 4986 } 4987 final DevicePolicyData policy = getUserData(userId); 4988 // Retrieve the scopes assigned to delegatePackage, or null if no scope was given. 4989 final List<String> scopes = policy.mDelegationMap.get(delegatePackage); 4990 return scopes == null ? Collections.EMPTY_LIST : scopes; 4991 } 4992 } 4993 4994 /** 4995 * Get a list of packages that were given a specific delegation scopes by a device owner or 4996 * profile owner. 4997 * 4998 * @param who the device owner or profile owner. 4999 * @param scope the scope whose delegates are to be retrieved. 5000 * @return a list of the delegate packages currently given the {@code scope} delegation. 5001 */ 5002 @NonNull 5003 public List<String> getDelegatePackages(ComponentName who, String scope) 5004 throws SecurityException { 5005 Preconditions.checkNotNull(who, "ComponentName is null"); 5006 Preconditions.checkNotNull(scope, "Scope is null"); 5007 if (!Arrays.asList(DELEGATIONS).contains(scope)) { 5008 throw new IllegalArgumentException("Unexpected delegation scope: " + scope); 5009 } 5010 5011 // Retrieve the user ID of the calling process. 5012 final int userId = mInjector.userHandleGetCallingUserId(); 5013 synchronized (this) { 5014 // Ensure calling process is device/profile owner. 5015 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5016 final DevicePolicyData policy = getUserData(userId); 5017 5018 // Create a list to hold the resulting delegate packages. 5019 final List<String> delegatePackagesWithScope = new ArrayList<>(); 5020 // Add all delegations containing scope to the result list. 5021 for (int i = 0; i < policy.mDelegationMap.size(); i++) { 5022 if (policy.mDelegationMap.valueAt(i).contains(scope)) { 5023 delegatePackagesWithScope.add(policy.mDelegationMap.keyAt(i)); 5024 } 5025 } 5026 return delegatePackagesWithScope; 5027 } 5028 } 5029 5030 /** 5031 * Check whether a caller application has been delegated a given scope via 5032 * {@link #setDelegatedScopes} to access privileged APIs on the behalf of a profile owner or 5033 * device owner. 5034 * <p> 5035 * This is done by checking that {@code callerPackage} was granted {@code scope} delegation and 5036 * then comparing the calling UID with the UID of {@code callerPackage} as reported by 5037 * {@link PackageManager#getPackageUidAsUser}. 5038 * 5039 * @param callerPackage the name of the package that is trying to invoke a function in the DPMS. 5040 * @param scope the delegation scope to be checked. 5041 * @return {@code true} if the calling process is a delegate of {@code scope}. 5042 */ 5043 private boolean isCallerDelegate(String callerPackage, String scope) { 5044 Preconditions.checkNotNull(callerPackage, "callerPackage is null"); 5045 if (!Arrays.asList(DELEGATIONS).contains(scope)) { 5046 throw new IllegalArgumentException("Unexpected delegation scope: " + scope); 5047 } 5048 5049 // Retrieve the UID and user ID of the calling process. 5050 final int callingUid = mInjector.binderGetCallingUid(); 5051 final int userId = UserHandle.getUserId(callingUid); 5052 synchronized (this) { 5053 // Retrieve user policy data. 5054 final DevicePolicyData policy = getUserData(userId); 5055 // Retrieve the list of delegation scopes granted to callerPackage. 5056 final List<String> scopes = policy.mDelegationMap.get(callerPackage); 5057 // Check callingUid only if callerPackage has the required scope delegation. 5058 if (scopes != null && scopes.contains(scope)) { 5059 try { 5060 // Retrieve the expected UID for callerPackage. 5061 final int uid = mInjector.getPackageManager() 5062 .getPackageUidAsUser(callerPackage, userId); 5063 // Return true if the caller is actually callerPackage. 5064 return uid == callingUid; 5065 } catch (NameNotFoundException e) { 5066 // Ignore. 5067 } 5068 } 5069 return false; 5070 } 5071 } 5072 5073 /** 5074 * Throw a security exception if a ComponentName is given and it is not a device/profile owner 5075 * or if the calling process is not a delegate of the given scope. 5076 * 5077 * @param who the device owner of profile owner, or null if {@code callerPackage} is a 5078 * {@code scope} delegate. 5079 * @param callerPackage the name of the calling package. Required if {@code who} is 5080 * {@code null}. 5081 * @param reqPolicy the policy used in the API whose access permission is being checked. 5082 * @param scoppe the delegation scope corresponding to the API being checked. 5083 * @throws SecurityException if {@code who} is given and is not an owner for {@code reqPolicy}; 5084 * or when {@code who} is {@code null} and {@code callerPackage} is not a delegate 5085 * of {@code scope}. 5086 */ 5087 private void enforceCanManageScope(ComponentName who, String callerPackage, int reqPolicy, 5088 String scope) { 5089 // If a ComponentName is given ensure it is a device or profile owner according to policy. 5090 if (who != null) { 5091 synchronized (this) { 5092 getActiveAdminForCallerLocked(who, reqPolicy); 5093 } 5094 // If no ComponentName is given ensure calling process has scope delegation. 5095 } else if (!isCallerDelegate(callerPackage, scope)) { 5096 throw new SecurityException("Caller with uid " + mInjector.binderGetCallingUid() 5097 + " is not a delegate of scope " + scope + "."); 5098 } 5099 } 5100 5101 /** 5102 * Helper function to preserve delegation behavior pre-O when using the deprecated functions 5103 * {@code #setCertInstallerPackage} and {@code #setApplicationRestrictionsManagingPackage}. 5104 */ 5105 private void setDelegatedScopePreO(ComponentName who, 5106 String delegatePackage, String scope) { 5107 Preconditions.checkNotNull(who, "ComponentName is null"); 5108 5109 final int userId = mInjector.userHandleGetCallingUserId(); 5110 synchronized(this) { 5111 // Ensure calling process is device/profile owner. 5112 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5113 final DevicePolicyData policy = getUserData(userId); 5114 5115 if (delegatePackage != null) { 5116 // Set package as a delegate for scope if it is not already one. 5117 List<String> scopes = policy.mDelegationMap.get(delegatePackage); 5118 if (scopes == null) { 5119 scopes = new ArrayList<>(); 5120 } 5121 if (!scopes.contains(scope)) { 5122 scopes.add(scope); 5123 setDelegatedScopes(who, delegatePackage, scopes); 5124 } 5125 } 5126 5127 // Clear any existing scope delegates. 5128 for (int i = 0; i < policy.mDelegationMap.size(); i++) { 5129 final String currentPackage = policy.mDelegationMap.keyAt(i); 5130 final List<String> currentScopes = policy.mDelegationMap.valueAt(i); 5131 5132 if (!currentPackage.equals(delegatePackage) && currentScopes.contains(scope)) { 5133 final List<String> newScopes = new ArrayList(currentScopes); 5134 newScopes.remove(scope); 5135 setDelegatedScopes(who, currentPackage, newScopes); 5136 } 5137 } 5138 } 5139 } 5140 5141 @Override 5142 public void setCertInstallerPackage(ComponentName who, String installerPackage) 5143 throws SecurityException { 5144 setDelegatedScopePreO(who, installerPackage, DELEGATION_CERT_INSTALL); 5145 } 5146 5147 @Override 5148 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 5149 final List<String> delegatePackages = getDelegatePackages(who, DELEGATION_CERT_INSTALL); 5150 return delegatePackages.size() > 0 ? delegatePackages.get(0) : null; 5151 } 5152 5153 /** 5154 * @return {@code true} if the package is installed and set as always-on, {@code false} if it is 5155 * not installed and therefore not available. 5156 * 5157 * @throws SecurityException if the caller is not a profile or device owner. 5158 * @throws UnsupportedOperationException if the package does not support being set as always-on. 5159 */ 5160 @Override 5161 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) 5162 throws SecurityException { 5163 enforceProfileOrDeviceOwner(admin); 5164 5165 final int userId = mInjector.userHandleGetCallingUserId(); 5166 final long token = mInjector.binderClearCallingIdentity(); 5167 try { 5168 if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { 5169 return false; 5170 } 5171 ConnectivityManager connectivityManager = (ConnectivityManager) 5172 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5173 if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { 5174 throw new UnsupportedOperationException(); 5175 } 5176 } finally { 5177 mInjector.binderRestoreCallingIdentity(token); 5178 } 5179 return true; 5180 } 5181 5182 @Override 5183 public String getAlwaysOnVpnPackage(ComponentName admin) 5184 throws SecurityException { 5185 enforceProfileOrDeviceOwner(admin); 5186 5187 final int userId = mInjector.userHandleGetCallingUserId(); 5188 final long token = mInjector.binderClearCallingIdentity(); 5189 try{ 5190 ConnectivityManager connectivityManager = (ConnectivityManager) 5191 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5192 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 5193 } finally { 5194 mInjector.binderRestoreCallingIdentity(token); 5195 } 5196 } 5197 5198 private void forceWipeDeviceNoLock(boolean wipeExtRequested, String reason) { 5199 wtfIfInLock(); 5200 5201 if (wipeExtRequested) { 5202 StorageManager sm = (StorageManager) mContext.getSystemService( 5203 Context.STORAGE_SERVICE); 5204 sm.wipeAdoptableDisks(); 5205 } 5206 try { 5207 mInjector.recoverySystemRebootWipeUserData( 5208 /*shutdown=*/ false, reason, /*force=*/ true); 5209 } catch (IOException | SecurityException e) { 5210 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 5211 } 5212 } 5213 5214 private void forceWipeUser(int userId) { 5215 try { 5216 IActivityManager am = mInjector.getIActivityManager(); 5217 if (am.getCurrentUser().id == userId) { 5218 am.switchUser(UserHandle.USER_SYSTEM); 5219 } 5220 5221 boolean userRemoved = mUserManagerInternal.removeUserEvenWhenDisallowed(userId); 5222 if (!userRemoved) { 5223 Slog.w(LOG_TAG, "Couldn't remove user " + userId); 5224 } else if (isManagedProfile(userId)) { 5225 sendWipeProfileNotification(); 5226 } 5227 } catch (RemoteException re) { 5228 // Shouldn't happen 5229 } 5230 } 5231 5232 @Override 5233 public void wipeData(int flags) { 5234 if (!mHasFeature) { 5235 return; 5236 } 5237 enforceFullCrossUsersPermission(mInjector.userHandleGetCallingUserId()); 5238 5239 final ActiveAdmin admin; 5240 synchronized (this) { 5241 admin = getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_WIPE_DATA); 5242 } 5243 String reason = "DevicePolicyManager.wipeData() from " 5244 + admin.info.getComponent().flattenToShortString(); 5245 wipeDataNoLock( 5246 admin.info.getComponent(), flags, reason, admin.getUserHandle().getIdentifier()); 5247 } 5248 5249 private void wipeDataNoLock(ComponentName admin, int flags, String reason, int userId) { 5250 wtfIfInLock(); 5251 5252 long ident = mInjector.binderClearCallingIdentity(); 5253 try { 5254 // First check whether the admin is allowed to wipe the device/user/profile. 5255 final String restriction; 5256 if (userId == UserHandle.USER_SYSTEM) { 5257 restriction = UserManager.DISALLOW_FACTORY_RESET; 5258 } else if (isManagedProfile(userId)) { 5259 restriction = UserManager.DISALLOW_REMOVE_MANAGED_PROFILE; 5260 } else { 5261 restriction = UserManager.DISALLOW_REMOVE_USER; 5262 } 5263 if (isAdminAffectedByRestriction(admin, restriction, userId)) { 5264 throw new SecurityException("Cannot wipe data. " + restriction 5265 + " restriction is set for user " + userId); 5266 } 5267 5268 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 5269 if (!isDeviceOwner(admin, userId)) { 5270 throw new SecurityException( 5271 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 5272 } 5273 PersistentDataBlockManager manager = (PersistentDataBlockManager) 5274 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 5275 if (manager != null) { 5276 manager.wipe(); 5277 } 5278 } 5279 5280 // TODO If split user is enabled and the device owner is set in the primary user 5281 // (rather than system), we should probably trigger factory reset. Current code just 5282 // removes that user (but still clears FRP...) 5283 if (userId == UserHandle.USER_SYSTEM) { 5284 forceWipeDeviceNoLock(/*wipeExtRequested=*/ (flags & WIPE_EXTERNAL_STORAGE) != 0, 5285 reason); 5286 } else { 5287 forceWipeUser(userId); 5288 } 5289 } finally { 5290 mInjector.binderRestoreCallingIdentity(ident); 5291 } 5292 } 5293 5294 private void sendWipeProfileNotification() { 5295 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 5296 Notification notification = 5297 new Notification.Builder(mContext, SystemNotificationChannels.DEVICE_ADMIN) 5298 .setSmallIcon(android.R.drawable.stat_sys_warning) 5299 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 5300 .setContentText(contentText) 5301 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 5302 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 5303 .build(); 5304 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 5305 } 5306 5307 private void clearWipeProfileNotification() { 5308 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 5309 } 5310 5311 @Override 5312 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 5313 if (!mHasFeature) { 5314 return; 5315 } 5316 enforceFullCrossUsersPermission(userHandle); 5317 mContext.enforceCallingOrSelfPermission( 5318 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5319 5320 synchronized (this) { 5321 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 5322 if (admin == null) { 5323 result.sendResult(null); 5324 return; 5325 } 5326 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 5327 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 5328 intent.setComponent(admin.info.getComponent()); 5329 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 5330 null, new BroadcastReceiver() { 5331 @Override 5332 public void onReceive(Context context, Intent intent) { 5333 result.sendResult(getResultExtras(false)); 5334 } 5335 }, null, Activity.RESULT_OK, null, null); 5336 } 5337 } 5338 5339 @Override 5340 public void setActivePasswordState(PasswordMetrics metrics, int userHandle) { 5341 if (!mHasFeature) { 5342 return; 5343 } 5344 enforceFullCrossUsersPermission(userHandle); 5345 mContext.enforceCallingOrSelfPermission( 5346 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5347 5348 // If the managed profile doesn't have a separate password, set the metrics to default 5349 if (isManagedProfile(userHandle) && !isSeparateProfileChallengeEnabled(userHandle)) { 5350 metrics = new PasswordMetrics(); 5351 } 5352 5353 validateQualityConstant(metrics.quality); 5354 DevicePolicyData policy = getUserData(userHandle); 5355 synchronized (this) { 5356 policy.mActivePasswordMetrics = metrics; 5357 } 5358 } 5359 5360 @Override 5361 public void reportPasswordChanged(@UserIdInt int userId) { 5362 if (!mHasFeature) { 5363 return; 5364 } 5365 enforceFullCrossUsersPermission(userId); 5366 5367 // Managed Profile password can only be changed when it has a separate challenge. 5368 if (!isSeparateProfileChallengeEnabled(userId)) { 5369 enforceNotManagedProfile(userId, "set the active password"); 5370 } 5371 5372 mContext.enforceCallingOrSelfPermission( 5373 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5374 5375 DevicePolicyData policy = getUserData(userId); 5376 5377 long ident = mInjector.binderClearCallingIdentity(); 5378 try { 5379 synchronized (this) { 5380 policy.mFailedPasswordAttempts = 0; 5381 saveSettingsLocked(userId); 5382 updatePasswordExpirationsLocked(userId); 5383 setExpirationAlarmCheckLocked(mContext, userId, /* parent */ false); 5384 5385 // Send a broadcast to each profile using this password as its primary unlock. 5386 sendAdminCommandForLockscreenPoliciesLocked( 5387 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 5388 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userId); 5389 } 5390 removeCaApprovalsIfNeeded(userId); 5391 } finally { 5392 mInjector.binderRestoreCallingIdentity(ident); 5393 } 5394 } 5395 5396 /** 5397 * Called any time the device password is updated. Resets all password expiration clocks. 5398 */ 5399 private void updatePasswordExpirationsLocked(int userHandle) { 5400 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 5401 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 5402 userHandle, /* parent */ false); 5403 final int N = admins.size(); 5404 for (int i = 0; i < N; i++) { 5405 ActiveAdmin admin = admins.get(i); 5406 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 5407 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 5408 long timeout = admin.passwordExpirationTimeout; 5409 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 5410 admin.passwordExpirationDate = expiration; 5411 } 5412 } 5413 for (int affectedUserId : affectedUserIds) { 5414 saveSettingsLocked(affectedUserId); 5415 } 5416 } 5417 5418 @Override 5419 public void reportFailedPasswordAttempt(int userHandle) { 5420 enforceFullCrossUsersPermission(userHandle); 5421 if (!isSeparateProfileChallengeEnabled(userHandle)) { 5422 enforceNotManagedProfile(userHandle, 5423 "report failed password attempt if separate profile challenge is not in place"); 5424 } 5425 mContext.enforceCallingOrSelfPermission( 5426 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5427 5428 boolean wipeData = false; 5429 ActiveAdmin strictestAdmin = null; 5430 final long ident = mInjector.binderClearCallingIdentity(); 5431 try { 5432 synchronized (this) { 5433 DevicePolicyData policy = getUserData(userHandle); 5434 policy.mFailedPasswordAttempts++; 5435 saveSettingsLocked(userHandle); 5436 if (mHasFeature) { 5437 strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 5438 userHandle, /* parent */ false); 5439 int max = strictestAdmin != null 5440 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 5441 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 5442 wipeData = true; 5443 } 5444 5445 sendAdminCommandForLockscreenPoliciesLocked( 5446 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 5447 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5448 } 5449 } 5450 } finally { 5451 mInjector.binderRestoreCallingIdentity(ident); 5452 } 5453 5454 if (wipeData && strictestAdmin != null) { 5455 final int userId = strictestAdmin.getUserHandle().getIdentifier(); 5456 Slog.i(LOG_TAG, "Max failed password attempts policy reached for admin: " 5457 + strictestAdmin.info.getComponent().flattenToShortString() 5458 + ". Calling wipeData for user " + userId); 5459 5460 // Attempt to wipe the device/user/profile associated with the admin, as if the 5461 // admin had called wipeData(). That way we can check whether the admin is actually 5462 // allowed to wipe the device (e.g. a regular device admin shouldn't be able to wipe the 5463 // device if the device owner has set DISALLOW_FACTORY_RESET, but the DO should be 5464 // able to do so). 5465 // IMPORTANT: Call without holding the lock to prevent deadlock. 5466 try { 5467 wipeDataNoLock(strictestAdmin.info.getComponent(), 5468 /*flags=*/ 0, 5469 /*reason=*/ "reportFailedPasswordAttempt()", 5470 userId); 5471 } catch (SecurityException e) { 5472 Slog.w(LOG_TAG, "Failed to wipe user " + userId 5473 + " after max failed password attempts reached.", e); 5474 } 5475 } 5476 5477 if (mInjector.securityLogIsLoggingEnabled()) { 5478 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5479 /*method strength*/ 1); 5480 } 5481 } 5482 5483 @Override 5484 public void reportSuccessfulPasswordAttempt(int userHandle) { 5485 enforceFullCrossUsersPermission(userHandle); 5486 mContext.enforceCallingOrSelfPermission( 5487 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5488 5489 synchronized (this) { 5490 DevicePolicyData policy = getUserData(userHandle); 5491 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 5492 long ident = mInjector.binderClearCallingIdentity(); 5493 try { 5494 policy.mFailedPasswordAttempts = 0; 5495 policy.mPasswordOwner = -1; 5496 saveSettingsLocked(userHandle); 5497 if (mHasFeature) { 5498 sendAdminCommandForLockscreenPoliciesLocked( 5499 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 5500 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5501 } 5502 } finally { 5503 mInjector.binderRestoreCallingIdentity(ident); 5504 } 5505 } 5506 } 5507 5508 if (mInjector.securityLogIsLoggingEnabled()) { 5509 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5510 /*method strength*/ 1); 5511 } 5512 } 5513 5514 @Override 5515 public void reportFailedFingerprintAttempt(int userHandle) { 5516 enforceFullCrossUsersPermission(userHandle); 5517 mContext.enforceCallingOrSelfPermission( 5518 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5519 if (mInjector.securityLogIsLoggingEnabled()) { 5520 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5521 /*method strength*/ 0); 5522 } 5523 } 5524 5525 @Override 5526 public void reportSuccessfulFingerprintAttempt(int userHandle) { 5527 enforceFullCrossUsersPermission(userHandle); 5528 mContext.enforceCallingOrSelfPermission( 5529 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5530 if (mInjector.securityLogIsLoggingEnabled()) { 5531 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5532 /*method strength*/ 0); 5533 } 5534 } 5535 5536 @Override 5537 public void reportKeyguardDismissed(int userHandle) { 5538 enforceFullCrossUsersPermission(userHandle); 5539 mContext.enforceCallingOrSelfPermission( 5540 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5541 5542 if (mInjector.securityLogIsLoggingEnabled()) { 5543 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 5544 } 5545 } 5546 5547 @Override 5548 public void reportKeyguardSecured(int userHandle) { 5549 enforceFullCrossUsersPermission(userHandle); 5550 mContext.enforceCallingOrSelfPermission( 5551 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5552 5553 if (mInjector.securityLogIsLoggingEnabled()) { 5554 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 5555 } 5556 } 5557 5558 @Override 5559 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 5560 String exclusionList) { 5561 if (!mHasFeature) { 5562 return null; 5563 } 5564 synchronized(this) { 5565 Preconditions.checkNotNull(who, "ComponentName is null"); 5566 5567 // Only check if system user has set global proxy. We don't allow other users to set it. 5568 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5569 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5570 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 5571 5572 // Scan through active admins and find if anyone has already 5573 // set the global proxy. 5574 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 5575 for (ComponentName component : compSet) { 5576 ActiveAdmin ap = policy.mAdminMap.get(component); 5577 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 5578 // Another admin already sets the global proxy 5579 // Return it to the caller. 5580 return component; 5581 } 5582 } 5583 5584 // If the user is not system, don't set the global proxy. Fail silently. 5585 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 5586 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 5587 + UserHandle.getCallingUserId() + " is not permitted."); 5588 return null; 5589 } 5590 if (proxySpec == null) { 5591 admin.specifiesGlobalProxy = false; 5592 admin.globalProxySpec = null; 5593 admin.globalProxyExclusionList = null; 5594 } else { 5595 5596 admin.specifiesGlobalProxy = true; 5597 admin.globalProxySpec = proxySpec; 5598 admin.globalProxyExclusionList = exclusionList; 5599 } 5600 5601 // Reset the global proxy accordingly 5602 // Do this using system permissions, as apps cannot write to secure settings 5603 long origId = mInjector.binderClearCallingIdentity(); 5604 try { 5605 resetGlobalProxyLocked(policy); 5606 } finally { 5607 mInjector.binderRestoreCallingIdentity(origId); 5608 } 5609 return null; 5610 } 5611 } 5612 5613 @Override 5614 public ComponentName getGlobalProxyAdmin(int userHandle) { 5615 if (!mHasFeature) { 5616 return null; 5617 } 5618 enforceFullCrossUsersPermission(userHandle); 5619 synchronized(this) { 5620 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5621 // Scan through active admins and find if anyone has already 5622 // set the global proxy. 5623 final int N = policy.mAdminList.size(); 5624 for (int i = 0; i < N; i++) { 5625 ActiveAdmin ap = policy.mAdminList.get(i); 5626 if (ap.specifiesGlobalProxy) { 5627 // Device admin sets the global proxy 5628 // Return it to the caller. 5629 return ap.info.getComponent(); 5630 } 5631 } 5632 } 5633 // No device admin sets the global proxy. 5634 return null; 5635 } 5636 5637 @Override 5638 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 5639 synchronized (this) { 5640 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5641 } 5642 long token = mInjector.binderClearCallingIdentity(); 5643 try { 5644 ConnectivityManager connectivityManager = (ConnectivityManager) 5645 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5646 connectivityManager.setGlobalProxy(proxyInfo); 5647 } finally { 5648 mInjector.binderRestoreCallingIdentity(token); 5649 } 5650 } 5651 5652 private void resetGlobalProxyLocked(DevicePolicyData policy) { 5653 final int N = policy.mAdminList.size(); 5654 for (int i = 0; i < N; i++) { 5655 ActiveAdmin ap = policy.mAdminList.get(i); 5656 if (ap.specifiesGlobalProxy) { 5657 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 5658 return; 5659 } 5660 } 5661 // No device admins defining global proxies - reset global proxy settings to none 5662 saveGlobalProxyLocked(null, null); 5663 } 5664 5665 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 5666 if (exclusionList == null) { 5667 exclusionList = ""; 5668 } 5669 if (proxySpec == null) { 5670 proxySpec = ""; 5671 } 5672 // Remove white spaces 5673 proxySpec = proxySpec.trim(); 5674 String data[] = proxySpec.split(":"); 5675 int proxyPort = 8080; 5676 if (data.length > 1) { 5677 try { 5678 proxyPort = Integer.parseInt(data[1]); 5679 } catch (NumberFormatException e) {} 5680 } 5681 exclusionList = exclusionList.trim(); 5682 5683 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 5684 if (!proxyProperties.isValid()) { 5685 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 5686 return; 5687 } 5688 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 5689 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 5690 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 5691 exclusionList); 5692 } 5693 5694 /** 5695 * Set the storage encryption request for a single admin. Returns the new total request 5696 * status (for all admins). 5697 */ 5698 @Override 5699 public int setStorageEncryption(ComponentName who, boolean encrypt) { 5700 if (!mHasFeature) { 5701 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5702 } 5703 Preconditions.checkNotNull(who, "ComponentName is null"); 5704 final int userHandle = UserHandle.getCallingUserId(); 5705 synchronized (this) { 5706 // Check for permissions 5707 // Only system user can set storage encryption 5708 if (userHandle != UserHandle.USER_SYSTEM) { 5709 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 5710 + UserHandle.getCallingUserId() + " is not permitted."); 5711 return 0; 5712 } 5713 5714 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5715 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 5716 5717 // Quick exit: If the filesystem does not support encryption, we can exit early. 5718 if (!isEncryptionSupported()) { 5719 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5720 } 5721 5722 // (1) Record the value for the admin so it's sticky 5723 if (ap.encryptionRequested != encrypt) { 5724 ap.encryptionRequested = encrypt; 5725 saveSettingsLocked(userHandle); 5726 } 5727 5728 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5729 // (2) Compute "max" for all admins 5730 boolean newRequested = false; 5731 final int N = policy.mAdminList.size(); 5732 for (int i = 0; i < N; i++) { 5733 newRequested |= policy.mAdminList.get(i).encryptionRequested; 5734 } 5735 5736 // Notify OS of new request 5737 setEncryptionRequested(newRequested); 5738 5739 // Return the new global request status 5740 return newRequested 5741 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5742 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5743 } 5744 } 5745 5746 /** 5747 * Get the current storage encryption request status for a given admin, or aggregate of all 5748 * active admins. 5749 */ 5750 @Override 5751 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5752 if (!mHasFeature) { 5753 return false; 5754 } 5755 enforceFullCrossUsersPermission(userHandle); 5756 synchronized (this) { 5757 // Check for permissions if a particular caller is specified 5758 if (who != null) { 5759 // When checking for a single caller, status is based on caller's request 5760 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5761 return ap != null ? ap.encryptionRequested : false; 5762 } 5763 5764 // If no particular caller is specified, return the aggregate set of requests. 5765 // This is short circuited by returning true on the first hit. 5766 DevicePolicyData policy = getUserData(userHandle); 5767 final int N = policy.mAdminList.size(); 5768 for (int i = 0; i < N; i++) { 5769 if (policy.mAdminList.get(i).encryptionRequested) { 5770 return true; 5771 } 5772 } 5773 return false; 5774 } 5775 } 5776 5777 /** 5778 * Get the current encryption status of the device. 5779 */ 5780 @Override 5781 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5782 if (!mHasFeature) { 5783 // Ok to return current status. 5784 } 5785 enforceFullCrossUsersPermission(userHandle); 5786 5787 // It's not critical here, but let's make sure the package name is correct, in case 5788 // we start using it for different purposes. 5789 ensureCallerPackage(callerPackage); 5790 5791 final ApplicationInfo ai; 5792 try { 5793 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5794 } catch (RemoteException e) { 5795 throw new SecurityException(e); 5796 } 5797 5798 boolean legacyApp = false; 5799 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5800 legacyApp = true; 5801 } 5802 5803 final int rawStatus = getEncryptionStatus(); 5804 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5805 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5806 } 5807 return rawStatus; 5808 } 5809 5810 /** 5811 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5812 */ 5813 private boolean isEncryptionSupported() { 5814 // Note, this can be implemented as 5815 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5816 // But is provided as a separate internal method if there's a faster way to do a 5817 // simple check for supported-or-not. 5818 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5819 } 5820 5821 /** 5822 * Hook to low-levels: Reporting the current status of encryption. 5823 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5824 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5825 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5826 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5827 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5828 */ 5829 private int getEncryptionStatus() { 5830 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5831 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5832 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5833 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5834 } else if (mInjector.storageManagerIsEncrypted()) { 5835 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5836 } else if (mInjector.storageManagerIsEncryptable()) { 5837 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5838 } else { 5839 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5840 } 5841 } 5842 5843 /** 5844 * Hook to low-levels: If needed, record the new admin setting for encryption. 5845 */ 5846 private void setEncryptionRequested(boolean encrypt) { 5847 } 5848 5849 /** 5850 * Set whether the screen capture is disabled for the user managed by the specified admin. 5851 */ 5852 @Override 5853 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5854 if (!mHasFeature) { 5855 return; 5856 } 5857 Preconditions.checkNotNull(who, "ComponentName is null"); 5858 final int userHandle = UserHandle.getCallingUserId(); 5859 synchronized (this) { 5860 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5861 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5862 if (ap.disableScreenCapture != disabled) { 5863 ap.disableScreenCapture = disabled; 5864 saveSettingsLocked(userHandle); 5865 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5866 } 5867 } 5868 } 5869 5870 /** 5871 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5872 * active admin (if given admin is null). 5873 */ 5874 @Override 5875 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 5876 if (!mHasFeature) { 5877 return false; 5878 } 5879 synchronized (this) { 5880 if (who != null) { 5881 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5882 return (admin != null) ? admin.disableScreenCapture : false; 5883 } 5884 5885 DevicePolicyData policy = getUserData(userHandle); 5886 final int N = policy.mAdminList.size(); 5887 for (int i = 0; i < N; i++) { 5888 ActiveAdmin admin = policy.mAdminList.get(i); 5889 if (admin.disableScreenCapture) { 5890 return true; 5891 } 5892 } 5893 return false; 5894 } 5895 } 5896 5897 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 5898 final boolean disabled) { 5899 mHandler.post(new Runnable() { 5900 @Override 5901 public void run() { 5902 try { 5903 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 5904 } catch (RemoteException e) { 5905 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 5906 } 5907 } 5908 }); 5909 } 5910 5911 /** 5912 * Set whether auto time is required by the specified admin (must be device or profile owner). 5913 */ 5914 @Override 5915 public void setAutoTimeRequired(ComponentName who, boolean required) { 5916 if (!mHasFeature) { 5917 return; 5918 } 5919 Preconditions.checkNotNull(who, "ComponentName is null"); 5920 final int userHandle = UserHandle.getCallingUserId(); 5921 synchronized (this) { 5922 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5923 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5924 if (admin.requireAutoTime != required) { 5925 admin.requireAutoTime = required; 5926 saveSettingsLocked(userHandle); 5927 } 5928 } 5929 5930 // Turn AUTO_TIME on in settings if it is required 5931 if (required) { 5932 long ident = mInjector.binderClearCallingIdentity(); 5933 try { 5934 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 5935 } finally { 5936 mInjector.binderRestoreCallingIdentity(ident); 5937 } 5938 } 5939 } 5940 5941 /** 5942 * Returns whether or not auto time is required by the device owner or any profile owner. 5943 */ 5944 @Override 5945 public boolean getAutoTimeRequired() { 5946 if (!mHasFeature) { 5947 return false; 5948 } 5949 synchronized (this) { 5950 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5951 if (deviceOwner != null && deviceOwner.requireAutoTime) { 5952 // If the device owner enforces auto time, we don't need to check the PO's 5953 return true; 5954 } 5955 5956 // Now check to see if any profile owner on any user enforces auto time 5957 for (Integer userId : mOwners.getProfileOwnerKeys()) { 5958 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 5959 if (profileOwner != null && profileOwner.requireAutoTime) { 5960 return true; 5961 } 5962 } 5963 5964 return false; 5965 } 5966 } 5967 5968 @Override 5969 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 5970 if (!mHasFeature) { 5971 return; 5972 } 5973 Preconditions.checkNotNull(who, "ComponentName is null"); 5974 // Allow setting this policy to true only if there is a split system user. 5975 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 5976 throw new UnsupportedOperationException( 5977 "Cannot force ephemeral users on systems without split system user."); 5978 } 5979 boolean removeAllUsers = false; 5980 synchronized (this) { 5981 final ActiveAdmin deviceOwner = 5982 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5983 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 5984 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 5985 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 5986 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 5987 removeAllUsers = forceEphemeralUsers; 5988 } 5989 } 5990 if (removeAllUsers) { 5991 long identitity = mInjector.binderClearCallingIdentity(); 5992 try { 5993 mUserManagerInternal.removeAllUsers(); 5994 } finally { 5995 mInjector.binderRestoreCallingIdentity(identitity); 5996 } 5997 } 5998 } 5999 6000 @Override 6001 public boolean getForceEphemeralUsers(ComponentName who) { 6002 if (!mHasFeature) { 6003 return false; 6004 } 6005 Preconditions.checkNotNull(who, "ComponentName is null"); 6006 synchronized (this) { 6007 final ActiveAdmin deviceOwner = 6008 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6009 return deviceOwner.forceEphemeralUsers; 6010 } 6011 } 6012 6013 private void ensureDeviceOwnerAndAllUsersAffiliated(ComponentName who) throws SecurityException { 6014 synchronized (this) { 6015 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6016 if (!areAllUsersAffiliatedWithDeviceLocked()) { 6017 throw new SecurityException("Not all users are affiliated."); 6018 } 6019 } 6020 } 6021 6022 @Override 6023 public boolean requestBugreport(ComponentName who) { 6024 if (!mHasFeature) { 6025 return false; 6026 } 6027 Preconditions.checkNotNull(who, "ComponentName is null"); 6028 6029 // TODO: If an unaffiliated user is removed, the admin will be able to request a bugreport 6030 // which could still contain data related to that user. Should we disallow that, e.g. until 6031 // next boot? Might not be needed given that this still requires user consent. 6032 ensureDeviceOwnerAndAllUsersAffiliated(who); 6033 6034 if (mRemoteBugreportServiceIsActive.get() 6035 || (getDeviceOwnerRemoteBugreportUri() != null)) { 6036 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 6037 return false; 6038 } 6039 6040 final long currentTime = System.currentTimeMillis(); 6041 synchronized (this) { 6042 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 6043 if (currentTime > policyData.mLastBugReportRequestTime) { 6044 policyData.mLastBugReportRequestTime = currentTime; 6045 saveSettingsLocked(UserHandle.USER_SYSTEM); 6046 } 6047 } 6048 6049 final long callingIdentity = mInjector.binderClearCallingIdentity(); 6050 try { 6051 mInjector.getIActivityManager().requestBugReport( 6052 ActivityManager.BUGREPORT_OPTION_REMOTE); 6053 6054 mRemoteBugreportServiceIsActive.set(true); 6055 mRemoteBugreportSharingAccepted.set(false); 6056 registerRemoteBugreportReceivers(); 6057 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 6058 RemoteBugreportUtils.NOTIFICATION_ID, 6059 RemoteBugreportUtils.buildNotification(mContext, 6060 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 6061 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 6062 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 6063 return true; 6064 } catch (RemoteException re) { 6065 // should never happen 6066 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 6067 return false; 6068 } finally { 6069 mInjector.binderRestoreCallingIdentity(callingIdentity); 6070 } 6071 } 6072 6073 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 6074 Intent intent = new Intent(action); 6075 intent.setComponent(mOwners.getDeviceOwnerComponent()); 6076 if (extras != null) { 6077 intent.putExtras(extras); 6078 } 6079 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 6080 } 6081 6082 private synchronized String getDeviceOwnerRemoteBugreportUri() { 6083 return mOwners.getDeviceOwnerRemoteBugreportUri(); 6084 } 6085 6086 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 6087 String bugreportHash) { 6088 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 6089 } 6090 6091 private void registerRemoteBugreportReceivers() { 6092 try { 6093 IntentFilter filterFinished = new IntentFilter( 6094 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 6095 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 6096 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 6097 } catch (IntentFilter.MalformedMimeTypeException e) { 6098 // should never happen, as setting a constant 6099 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 6100 } 6101 IntentFilter filterConsent = new IntentFilter(); 6102 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 6103 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 6104 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 6105 } 6106 6107 private void onBugreportFinished(Intent intent) { 6108 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 6109 mRemoteBugreportServiceIsActive.set(false); 6110 Uri bugreportUri = intent.getData(); 6111 String bugreportUriString = null; 6112 if (bugreportUri != null) { 6113 bugreportUriString = bugreportUri.toString(); 6114 } 6115 String bugreportHash = intent.getStringExtra( 6116 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 6117 if (mRemoteBugreportSharingAccepted.get()) { 6118 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 6119 mInjector.getNotificationManager().cancel(LOG_TAG, 6120 RemoteBugreportUtils.NOTIFICATION_ID); 6121 } else { 6122 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 6123 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 6124 RemoteBugreportUtils.buildNotification(mContext, 6125 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 6126 UserHandle.ALL); 6127 } 6128 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6129 } 6130 6131 private void onBugreportFailed() { 6132 mRemoteBugreportServiceIsActive.set(false); 6133 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 6134 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 6135 mRemoteBugreportSharingAccepted.set(false); 6136 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6137 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 6138 Bundle extras = new Bundle(); 6139 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 6140 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 6141 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 6142 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 6143 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6144 } 6145 6146 private void onBugreportSharingAccepted() { 6147 mRemoteBugreportSharingAccepted.set(true); 6148 String bugreportUriString = null; 6149 String bugreportHash = null; 6150 synchronized (this) { 6151 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 6152 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 6153 } 6154 if (bugreportUriString != null) { 6155 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 6156 } else if (mRemoteBugreportServiceIsActive.get()) { 6157 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 6158 RemoteBugreportUtils.buildNotification(mContext, 6159 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 6160 UserHandle.ALL); 6161 } 6162 } 6163 6164 private void onBugreportSharingDeclined() { 6165 if (mRemoteBugreportServiceIsActive.get()) { 6166 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 6167 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 6168 mRemoteBugreportServiceIsActive.set(false); 6169 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 6170 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6171 } 6172 mRemoteBugreportSharingAccepted.set(false); 6173 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6174 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 6175 } 6176 6177 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 6178 String bugreportHash) { 6179 ParcelFileDescriptor pfd = null; 6180 try { 6181 if (bugreportUriString == null) { 6182 throw new FileNotFoundException(); 6183 } 6184 Uri bugreportUri = Uri.parse(bugreportUriString); 6185 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 6186 6187 synchronized (this) { 6188 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 6189 intent.setComponent(mOwners.getDeviceOwnerComponent()); 6190 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 6191 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 6192 intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 6193 6194 LocalServices.getService(ActivityManagerInternal.class) 6195 .grantUriPermissionFromIntent(Process.SHELL_UID, 6196 mOwners.getDeviceOwnerComponent().getPackageName(), 6197 intent, mOwners.getDeviceOwnerUserId()); 6198 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 6199 } 6200 } catch (FileNotFoundException e) { 6201 Bundle extras = new Bundle(); 6202 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 6203 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 6204 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 6205 } finally { 6206 try { 6207 if (pfd != null) { 6208 pfd.close(); 6209 } 6210 } catch (IOException ex) { 6211 // Ignore 6212 } 6213 mRemoteBugreportSharingAccepted.set(false); 6214 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6215 } 6216 } 6217 6218 /** 6219 * Disables all device cameras according to the specified admin. 6220 */ 6221 @Override 6222 public void setCameraDisabled(ComponentName who, boolean disabled) { 6223 if (!mHasFeature) { 6224 return; 6225 } 6226 Preconditions.checkNotNull(who, "ComponentName is null"); 6227 final int userHandle = mInjector.userHandleGetCallingUserId(); 6228 synchronized (this) { 6229 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 6230 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 6231 if (ap.disableCamera != disabled) { 6232 ap.disableCamera = disabled; 6233 saveSettingsLocked(userHandle); 6234 } 6235 } 6236 // Tell the user manager that the restrictions have changed. 6237 pushUserRestrictions(userHandle); 6238 } 6239 6240 /** 6241 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 6242 * active admins. 6243 */ 6244 @Override 6245 public boolean getCameraDisabled(ComponentName who, int userHandle) { 6246 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 6247 } 6248 6249 private boolean getCameraDisabled(ComponentName who, int userHandle, 6250 boolean mergeDeviceOwnerRestriction) { 6251 if (!mHasFeature) { 6252 return false; 6253 } 6254 synchronized (this) { 6255 if (who != null) { 6256 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6257 return (admin != null) ? admin.disableCamera : false; 6258 } 6259 // First, see if DO has set it. If so, it's device-wide. 6260 if (mergeDeviceOwnerRestriction) { 6261 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6262 if (deviceOwner != null && deviceOwner.disableCamera) { 6263 return true; 6264 } 6265 } 6266 6267 // Then check each device admin on the user. 6268 DevicePolicyData policy = getUserData(userHandle); 6269 // Determine whether or not the device camera is disabled for any active admins. 6270 final int N = policy.mAdminList.size(); 6271 for (int i = 0; i < N; i++) { 6272 ActiveAdmin admin = policy.mAdminList.get(i); 6273 if (admin.disableCamera) { 6274 return true; 6275 } 6276 } 6277 return false; 6278 } 6279 } 6280 6281 @Override 6282 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 6283 if (!mHasFeature) { 6284 return; 6285 } 6286 Preconditions.checkNotNull(who, "ComponentName is null"); 6287 final int userHandle = mInjector.userHandleGetCallingUserId(); 6288 if (isManagedProfile(userHandle)) { 6289 if (parent) { 6290 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 6291 } else { 6292 which = which & PROFILE_KEYGUARD_FEATURES; 6293 } 6294 } 6295 synchronized (this) { 6296 ActiveAdmin ap = getActiveAdminForCallerLocked( 6297 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 6298 if (ap.disabledKeyguardFeatures != which) { 6299 ap.disabledKeyguardFeatures = which; 6300 saveSettingsLocked(userHandle); 6301 } 6302 } 6303 } 6304 6305 /** 6306 * Gets the disabled state for features in keyguard for the given admin, 6307 * or the aggregate of all active admins if who is null. 6308 */ 6309 @Override 6310 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 6311 if (!mHasFeature) { 6312 return 0; 6313 } 6314 enforceFullCrossUsersPermission(userHandle); 6315 final long ident = mInjector.binderClearCallingIdentity(); 6316 try { 6317 synchronized (this) { 6318 if (who != null) { 6319 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 6320 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 6321 } 6322 6323 final List<ActiveAdmin> admins; 6324 if (!parent && isManagedProfile(userHandle)) { 6325 // If we are being asked about a managed profile, just return keyguard features 6326 // disabled by admins in the profile. 6327 admins = getUserDataUnchecked(userHandle).mAdminList; 6328 } else { 6329 // Otherwise return those set by admins in the user and its profiles. 6330 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 6331 } 6332 6333 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 6334 final int N = admins.size(); 6335 for (int i = 0; i < N; i++) { 6336 ActiveAdmin admin = admins.get(i); 6337 int userId = admin.getUserHandle().getIdentifier(); 6338 boolean isRequestedUser = !parent && (userId == userHandle); 6339 if (isRequestedUser || !isManagedProfile(userId)) { 6340 // If we are being asked explicitly about this user 6341 // return all disabled features even if its a managed profile. 6342 which |= admin.disabledKeyguardFeatures; 6343 } else { 6344 // Otherwise a managed profile is only allowed to disable 6345 // some features on the parent user. 6346 which |= (admin.disabledKeyguardFeatures 6347 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 6348 } 6349 } 6350 return which; 6351 } 6352 } finally { 6353 mInjector.binderRestoreCallingIdentity(ident); 6354 } 6355 } 6356 6357 @Override 6358 public void setKeepUninstalledPackages(ComponentName who, String callerPackage, 6359 List<String> packageList) { 6360 if (!mHasFeature) { 6361 return; 6362 } 6363 Preconditions.checkNotNull(packageList, "packageList is null"); 6364 final int userHandle = UserHandle.getCallingUserId(); 6365 synchronized (this) { 6366 // Ensure the caller is a DO or a keep uninstalled packages delegate. 6367 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 6368 DELEGATION_KEEP_UNINSTALLED_PACKAGES); 6369 // Get the device owner 6370 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6371 // Set list of packages to be kept even if uninstalled. 6372 deviceOwner.keepUninstalledPackages = packageList; 6373 // Save settings. 6374 saveSettingsLocked(userHandle); 6375 // Notify package manager. 6376 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 6377 } 6378 } 6379 6380 @Override 6381 public List<String> getKeepUninstalledPackages(ComponentName who, String callerPackage) { 6382 if (!mHasFeature) { 6383 return null; 6384 } 6385 // TODO In split system user mode, allow apps on user 0 to query the list 6386 synchronized (this) { 6387 // Ensure the caller is a DO or a keep uninstalled packages delegate. 6388 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 6389 DELEGATION_KEEP_UNINSTALLED_PACKAGES); 6390 return getKeepUninstalledPackagesLocked(); 6391 } 6392 } 6393 6394 private List<String> getKeepUninstalledPackagesLocked() { 6395 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6396 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 6397 } 6398 6399 @Override 6400 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 6401 if (!mHasFeature) { 6402 return false; 6403 } 6404 if (admin == null 6405 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 6406 throw new IllegalArgumentException("Invalid component " + admin 6407 + " for device owner"); 6408 } 6409 final boolean hasIncompatibleAccountsOrNonAdb = 6410 hasIncompatibleAccountsOrNonAdbNoLock(userId, admin); 6411 synchronized (this) { 6412 enforceCanSetDeviceOwnerLocked(admin, userId, hasIncompatibleAccountsOrNonAdb); 6413 final ActiveAdmin activeAdmin = getActiveAdminUncheckedLocked(admin, userId); 6414 if (activeAdmin == null 6415 || getUserData(userId).mRemovingAdmins.contains(admin)) { 6416 throw new IllegalArgumentException("Not active admin: " + admin); 6417 } 6418 6419 // Shutting down backup manager service permanently. 6420 long ident = mInjector.binderClearCallingIdentity(); 6421 try { 6422 if (mInjector.getIBackupManager() != null) { 6423 mInjector.getIBackupManager() 6424 .setBackupServiceActive(UserHandle.USER_SYSTEM, false); 6425 } 6426 } catch (RemoteException e) { 6427 throw new IllegalStateException("Failed deactivating backup service.", e); 6428 } finally { 6429 mInjector.binderRestoreCallingIdentity(ident); 6430 } 6431 6432 if (isAdb()) { 6433 // Log device owner provisioning was started using adb. 6434 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_DEVICE_OWNER); 6435 } 6436 6437 mOwners.setDeviceOwner(admin, ownerName, userId); 6438 mOwners.writeDeviceOwner(); 6439 updateDeviceOwnerLocked(); 6440 setDeviceOwnerSystemPropertyLocked(); 6441 6442 final Set<String> restrictions = 6443 UserRestrictionsUtils.getDefaultEnabledForDeviceOwner(); 6444 if (!restrictions.isEmpty()) { 6445 for (String restriction : restrictions) { 6446 activeAdmin.ensureUserRestrictions().putBoolean(restriction, true); 6447 } 6448 activeAdmin.defaultEnabledRestrictionsAlreadySet.addAll(restrictions); 6449 Slog.i(LOG_TAG, "Enabled the following restrictions by default: " + restrictions); 6450 6451 saveUserRestrictionsLocked(userId); 6452 } 6453 6454 ident = mInjector.binderClearCallingIdentity(); 6455 try { 6456 // TODO Send to system too? 6457 mContext.sendBroadcastAsUser( 6458 new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED) 6459 .addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND), 6460 UserHandle.of(userId)); 6461 } finally { 6462 mInjector.binderRestoreCallingIdentity(ident); 6463 } 6464 Slog.i(LOG_TAG, "Device owner set: " + admin + " on user " + userId); 6465 return true; 6466 } 6467 } 6468 6469 @Override 6470 public boolean hasDeviceOwner() { 6471 enforceDeviceOwnerOrManageUsers(); 6472 return mOwners.hasDeviceOwner(); 6473 } 6474 6475 boolean isDeviceOwner(ActiveAdmin admin) { 6476 return isDeviceOwner(admin.info.getComponent(), admin.getUserHandle().getIdentifier()); 6477 } 6478 6479 public boolean isDeviceOwner(ComponentName who, int userId) { 6480 synchronized (this) { 6481 return mOwners.hasDeviceOwner() 6482 && mOwners.getDeviceOwnerUserId() == userId 6483 && mOwners.getDeviceOwnerComponent().equals(who); 6484 } 6485 } 6486 6487 private boolean isDeviceOwnerPackage(String packageName, int userId) { 6488 synchronized (this) { 6489 return mOwners.hasDeviceOwner() 6490 && mOwners.getDeviceOwnerUserId() == userId 6491 && mOwners.getDeviceOwnerPackageName().equals(packageName); 6492 } 6493 } 6494 6495 private boolean isProfileOwnerPackage(String packageName, int userId) { 6496 synchronized (this) { 6497 return mOwners.hasProfileOwner(userId) 6498 && mOwners.getProfileOwnerPackage(userId).equals(packageName); 6499 } 6500 } 6501 6502 public boolean isProfileOwner(ComponentName who, int userId) { 6503 final ComponentName profileOwner = getProfileOwner(userId); 6504 return who != null && who.equals(profileOwner); 6505 } 6506 6507 @Override 6508 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 6509 if (!mHasFeature) { 6510 return null; 6511 } 6512 if (!callingUserOnly) { 6513 enforceManageUsers(); 6514 } 6515 synchronized (this) { 6516 if (!mOwners.hasDeviceOwner()) { 6517 return null; 6518 } 6519 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 6520 mOwners.getDeviceOwnerUserId()) { 6521 return null; 6522 } 6523 return mOwners.getDeviceOwnerComponent(); 6524 } 6525 } 6526 6527 @Override 6528 public int getDeviceOwnerUserId() { 6529 if (!mHasFeature) { 6530 return UserHandle.USER_NULL; 6531 } 6532 enforceManageUsers(); 6533 synchronized (this) { 6534 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 6535 } 6536 } 6537 6538 /** 6539 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 6540 * MANAGE_USERS. 6541 */ 6542 @Override 6543 public String getDeviceOwnerName() { 6544 if (!mHasFeature) { 6545 return null; 6546 } 6547 enforceManageUsers(); 6548 synchronized (this) { 6549 if (!mOwners.hasDeviceOwner()) { 6550 return null; 6551 } 6552 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 6553 // Should setDeviceOwner/ProfileOwner still take a name? 6554 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 6555 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 6556 } 6557 } 6558 6559 /** Returns the active device owner or {@code null} if there is no device owner. */ 6560 @VisibleForTesting 6561 ActiveAdmin getDeviceOwnerAdminLocked() { 6562 ComponentName component = mOwners.getDeviceOwnerComponent(); 6563 if (component == null) { 6564 return null; 6565 } 6566 6567 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 6568 final int n = policy.mAdminList.size(); 6569 for (int i = 0; i < n; i++) { 6570 ActiveAdmin admin = policy.mAdminList.get(i); 6571 if (component.equals(admin.info.getComponent())) { 6572 return admin; 6573 } 6574 } 6575 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 6576 return null; 6577 } 6578 6579 @Override 6580 public void clearDeviceOwner(String packageName) { 6581 Preconditions.checkNotNull(packageName, "packageName is null"); 6582 final int callingUid = mInjector.binderGetCallingUid(); 6583 try { 6584 int uid = mInjector.getPackageManager().getPackageUidAsUser(packageName, 6585 UserHandle.getUserId(callingUid)); 6586 if (uid != callingUid) { 6587 throw new SecurityException("Invalid packageName"); 6588 } 6589 } catch (NameNotFoundException e) { 6590 throw new SecurityException(e); 6591 } 6592 synchronized (this) { 6593 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 6594 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 6595 if (!mOwners.hasDeviceOwner() 6596 || !deviceOwnerComponent.getPackageName().equals(packageName) 6597 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 6598 throw new SecurityException( 6599 "clearDeviceOwner can only be called by the device owner"); 6600 } 6601 enforceUserUnlocked(deviceOwnerUserId); 6602 6603 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 6604 long ident = mInjector.binderClearCallingIdentity(); 6605 try { 6606 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 6607 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 6608 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 6609 intent.addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND); 6610 mContext.sendBroadcastAsUser(intent, UserHandle.of(deviceOwnerUserId)); 6611 } finally { 6612 mInjector.binderRestoreCallingIdentity(ident); 6613 } 6614 Slog.i(LOG_TAG, "Device owner removed: " + deviceOwnerComponent); 6615 } 6616 } 6617 6618 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 6619 if (admin != null) { 6620 admin.disableCamera = false; 6621 admin.userRestrictions = null; 6622 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6623 admin.forceEphemeralUsers = false; 6624 admin.isNetworkLoggingEnabled = false; 6625 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 6626 } 6627 final DevicePolicyData policyData = getUserData(userId); 6628 policyData.mDefaultInputMethodSet = false; 6629 saveSettingsLocked(userId); 6630 final DevicePolicyData systemPolicyData = getUserData(UserHandle.USER_SYSTEM); 6631 systemPolicyData.mLastSecurityLogRetrievalTime = -1; 6632 systemPolicyData.mLastBugReportRequestTime = -1; 6633 systemPolicyData.mLastNetworkLogsRetrievalTime = -1; 6634 saveSettingsLocked(UserHandle.USER_SYSTEM); 6635 clearUserPoliciesLocked(userId); 6636 6637 mOwners.clearDeviceOwner(); 6638 mOwners.writeDeviceOwner(); 6639 updateDeviceOwnerLocked(); 6640 6641 clearDeviceOwnerUserRestrictionLocked(UserHandle.of(userId)); 6642 mInjector.securityLogSetLoggingEnabledProperty(false); 6643 mSecurityLogMonitor.stop(); 6644 setNetworkLoggingActiveInternal(false); 6645 6646 try { 6647 if (mInjector.getIBackupManager() != null) { 6648 // Reactivate backup service. 6649 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 6650 } 6651 } catch (RemoteException e) { 6652 throw new IllegalStateException("Failed reactivating backup service.", e); 6653 } 6654 } 6655 6656 @Override 6657 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 6658 if (!mHasFeature) { 6659 return false; 6660 } 6661 if (who == null 6662 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 6663 throw new IllegalArgumentException("Component " + who 6664 + " not installed for userId:" + userHandle); 6665 } 6666 final boolean hasIncompatibleAccountsOrNonAdb = 6667 hasIncompatibleAccountsOrNonAdbNoLock(userHandle, who); 6668 synchronized (this) { 6669 enforceCanSetProfileOwnerLocked(who, userHandle, hasIncompatibleAccountsOrNonAdb); 6670 6671 if (getActiveAdminUncheckedLocked(who, userHandle) == null 6672 || getUserData(userHandle).mRemovingAdmins.contains(who)) { 6673 throw new IllegalArgumentException("Not active admin: " + who); 6674 } 6675 6676 if (isAdb()) { 6677 // Log profile owner provisioning was started using adb. 6678 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_PROFILE_OWNER); 6679 } 6680 6681 mOwners.setProfileOwner(who, ownerName, userHandle); 6682 mOwners.writeProfileOwner(userHandle); 6683 Slog.i(LOG_TAG, "Profile owner set: " + who + " on user " + userHandle); 6684 6685 final long id = mInjector.binderClearCallingIdentity(); 6686 try { 6687 if (mUserManager.isManagedProfile(userHandle)) { 6688 setUserRestrictionOnBehalfOfProfileOwnerLocked( 6689 UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userHandle); 6690 mInjector.settingsSecurePutIntForUser( 6691 Settings.Secure.UNKNOWN_SOURCES_DEFAULT_REVERSED, 0, userHandle); 6692 } 6693 } finally { 6694 mInjector.binderRestoreCallingIdentity(id); 6695 } 6696 return true; 6697 } 6698 } 6699 6700 @Override 6701 public void clearProfileOwner(ComponentName who) { 6702 if (!mHasFeature) { 6703 return; 6704 } 6705 Preconditions.checkNotNull(who, "ComponentName is null"); 6706 6707 final int userId = mInjector.userHandleGetCallingUserId(); 6708 enforceNotManagedProfile(userId, "clear profile owner"); 6709 enforceUserUnlocked(userId); 6710 synchronized (this) { 6711 // Check if this is the profile owner who is calling 6712 final ActiveAdmin admin = 6713 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6714 6715 final long ident = mInjector.binderClearCallingIdentity(); 6716 try { 6717 clearProfileOwnerLocked(admin, userId); 6718 removeActiveAdminLocked(who, userId); 6719 } finally { 6720 mInjector.binderRestoreCallingIdentity(ident); 6721 } 6722 Slog.i(LOG_TAG, "Profile owner " + who + " removed from user " + userId); 6723 } 6724 } 6725 6726 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 6727 if (admin != null) { 6728 admin.disableCamera = false; 6729 admin.userRestrictions = null; 6730 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6731 } 6732 final DevicePolicyData policyData = getUserData(userId); 6733 policyData.mDefaultInputMethodSet = false; 6734 saveSettingsLocked(userId); 6735 clearUserPoliciesLocked(userId); 6736 mOwners.removeProfileOwner(userId); 6737 mOwners.writeProfileOwner(userId); 6738 } 6739 6740 @Override 6741 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 6742 Preconditions.checkNotNull(who, "ComponentName is null"); 6743 if (!mHasFeature) { 6744 return; 6745 } 6746 6747 synchronized (this) { 6748 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6749 long token = mInjector.binderClearCallingIdentity(); 6750 try { 6751 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 6752 } finally { 6753 mInjector.binderRestoreCallingIdentity(token); 6754 } 6755 } 6756 } 6757 6758 @Override 6759 public CharSequence getDeviceOwnerLockScreenInfo() { 6760 return mLockPatternUtils.getDeviceOwnerInfo(); 6761 } 6762 6763 private void clearUserPoliciesLocked(int userId) { 6764 // Reset some of the user-specific policies. 6765 final DevicePolicyData policy = getUserData(userId); 6766 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 6767 // Clear delegations. 6768 policy.mDelegationMap.clear(); 6769 policy.mStatusBarDisabled = false; 6770 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 6771 policy.mAffiliationIds.clear(); 6772 policy.mLockTaskPackages.clear(); 6773 saveSettingsLocked(userId); 6774 6775 try { 6776 mIPackageManager.updatePermissionFlagsForAllApps( 6777 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6778 0 /* flagValues */, userId); 6779 pushUserRestrictions(userId); 6780 } catch (RemoteException re) { 6781 // Shouldn't happen. 6782 } 6783 } 6784 6785 @Override 6786 public boolean hasUserSetupCompleted() { 6787 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 6788 } 6789 6790 // This checks only if the Setup Wizard has run. Since Wear devices pair before 6791 // completing Setup Wizard, and pairing involves transferring user data, calling 6792 // logic may want to check mIsWatch or mPaired in addition to hasUserSetupCompleted(). 6793 private boolean hasUserSetupCompleted(int userHandle) { 6794 if (!mHasFeature) { 6795 return true; 6796 } 6797 return getUserData(userHandle).mUserSetupComplete; 6798 } 6799 6800 private boolean hasPaired(int userHandle) { 6801 if (!mHasFeature) { 6802 return true; 6803 } 6804 return getUserData(userHandle).mPaired; 6805 } 6806 6807 @Override 6808 public int getUserProvisioningState() { 6809 if (!mHasFeature) { 6810 return DevicePolicyManager.STATE_USER_UNMANAGED; 6811 } 6812 int userHandle = mInjector.userHandleGetCallingUserId(); 6813 return getUserProvisioningState(userHandle); 6814 } 6815 6816 private int getUserProvisioningState(int userHandle) { 6817 return getUserData(userHandle).mUserProvisioningState; 6818 } 6819 6820 @Override 6821 public void setUserProvisioningState(int newState, int userHandle) { 6822 if (!mHasFeature) { 6823 return; 6824 } 6825 6826 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 6827 && getManagedUserId(userHandle) == -1) { 6828 // No managed device, user or profile, so setting provisioning state makes no sense. 6829 throw new IllegalStateException("Not allowed to change provisioning state unless a " 6830 + "device or profile owner is set."); 6831 } 6832 6833 synchronized (this) { 6834 boolean transitionCheckNeeded = true; 6835 6836 // Calling identity/permission checks. 6837 if (isAdb()) { 6838 // ADB shell can only move directly from un-managed to finalized as part of directly 6839 // setting profile-owner or device-owner. 6840 if (getUserProvisioningState(userHandle) != 6841 DevicePolicyManager.STATE_USER_UNMANAGED 6842 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6843 throw new IllegalStateException("Not allowed to change provisioning state " 6844 + "unless current provisioning state is unmanaged, and new state is " 6845 + "finalized."); 6846 } 6847 transitionCheckNeeded = false; 6848 } else { 6849 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 6850 enforceCanManageProfileAndDeviceOwners(); 6851 } 6852 6853 final DevicePolicyData policyData = getUserData(userHandle); 6854 if (transitionCheckNeeded) { 6855 // Optional state transition check for non-ADB case. 6856 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 6857 } 6858 policyData.mUserProvisioningState = newState; 6859 saveSettingsLocked(userHandle); 6860 } 6861 } 6862 6863 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6864 // Valid transitions for normal use-cases. 6865 switch (currentState) { 6866 case DevicePolicyManager.STATE_USER_UNMANAGED: 6867 // Can move to any state from unmanaged (except itself as an edge case).. 6868 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 6869 return; 6870 } 6871 break; 6872 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 6873 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 6874 // Can only move to finalized from these states. 6875 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6876 return; 6877 } 6878 break; 6879 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 6880 // Current user has a managed-profile, but current user is not managed, so 6881 // rather than moving to finalized state, go back to unmanaged once 6882 // profile provisioning is complete. 6883 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 6884 return; 6885 } 6886 break; 6887 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 6888 // Cannot transition out of finalized. 6889 break; 6890 } 6891 6892 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 6893 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 6894 + "from state [" + currentState + "]"); 6895 } 6896 6897 @Override 6898 public void setProfileEnabled(ComponentName who) { 6899 if (!mHasFeature) { 6900 return; 6901 } 6902 Preconditions.checkNotNull(who, "ComponentName is null"); 6903 synchronized (this) { 6904 // Check if this is the profile owner who is calling 6905 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6906 final int userId = UserHandle.getCallingUserId(); 6907 enforceManagedProfile(userId, "enable the profile"); 6908 // Check if the profile is already enabled. 6909 UserInfo managedProfile = getUserInfo(userId); 6910 if (managedProfile.isEnabled()) { 6911 Slog.e(LOG_TAG, 6912 "setProfileEnabled is called when the profile is already enabled"); 6913 return; 6914 } 6915 long id = mInjector.binderClearCallingIdentity(); 6916 try { 6917 mUserManager.setUserEnabled(userId); 6918 UserInfo parent = mUserManager.getProfileParent(userId); 6919 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 6920 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 6921 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 6922 Intent.FLAG_RECEIVER_FOREGROUND); 6923 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 6924 } finally { 6925 mInjector.binderRestoreCallingIdentity(id); 6926 } 6927 } 6928 } 6929 6930 @Override 6931 public void setProfileName(ComponentName who, String profileName) { 6932 Preconditions.checkNotNull(who, "ComponentName is null"); 6933 int userId = UserHandle.getCallingUserId(); 6934 // Check if this is the profile owner (includes device owner). 6935 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6936 6937 long id = mInjector.binderClearCallingIdentity(); 6938 try { 6939 mUserManager.setUserName(userId, profileName); 6940 } finally { 6941 mInjector.binderRestoreCallingIdentity(id); 6942 } 6943 } 6944 6945 @Override 6946 public ComponentName getProfileOwner(int userHandle) { 6947 if (!mHasFeature) { 6948 return null; 6949 } 6950 6951 synchronized (this) { 6952 return mOwners.getProfileOwnerComponent(userHandle); 6953 } 6954 } 6955 6956 // Returns the active profile owner for this user or null if the current user has no 6957 // profile owner. 6958 @VisibleForTesting 6959 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 6960 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 6961 if (profileOwner == null) { 6962 return null; 6963 } 6964 DevicePolicyData policy = getUserData(userHandle); 6965 final int n = policy.mAdminList.size(); 6966 for (int i = 0; i < n; i++) { 6967 ActiveAdmin admin = policy.mAdminList.get(i); 6968 if (profileOwner.equals(admin.info.getComponent())) { 6969 return admin; 6970 } 6971 } 6972 return null; 6973 } 6974 6975 @Override 6976 public String getProfileOwnerName(int userHandle) { 6977 if (!mHasFeature) { 6978 return null; 6979 } 6980 enforceManageUsers(); 6981 ComponentName profileOwner = getProfileOwner(userHandle); 6982 if (profileOwner == null) { 6983 return null; 6984 } 6985 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 6986 } 6987 6988 /** 6989 * Canonical name for a given package. 6990 */ 6991 private String getApplicationLabel(String packageName, int userHandle) { 6992 long token = mInjector.binderClearCallingIdentity(); 6993 try { 6994 final Context userContext; 6995 try { 6996 UserHandle handle = new UserHandle(userHandle); 6997 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 6998 } catch (PackageManager.NameNotFoundException nnfe) { 6999 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 7000 return null; 7001 } 7002 ApplicationInfo appInfo = userContext.getApplicationInfo(); 7003 CharSequence result = null; 7004 if (appInfo != null) { 7005 PackageManager pm = userContext.getPackageManager(); 7006 result = pm.getApplicationLabel(appInfo); 7007 } 7008 return result != null ? result.toString() : null; 7009 } finally { 7010 mInjector.binderRestoreCallingIdentity(token); 7011 } 7012 } 7013 7014 /** 7015 * Calls wtfStack() if called with the DPMS lock held. 7016 */ 7017 private void wtfIfInLock() { 7018 if (Thread.holdsLock(this)) { 7019 Slog.wtfStack(LOG_TAG, "Shouldn't be called with DPMS lock held"); 7020 } 7021 } 7022 7023 /** 7024 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 7025 * permission. 7026 * The profile owner can only be set before the user setup phase has completed, 7027 * except for: 7028 * - SYSTEM_UID 7029 * - adb unless hasIncompatibleAccountsOrNonAdb is true. 7030 */ 7031 private void enforceCanSetProfileOwnerLocked(@Nullable ComponentName owner, int userHandle, 7032 boolean hasIncompatibleAccountsOrNonAdb) { 7033 UserInfo info = getUserInfo(userHandle); 7034 if (info == null) { 7035 // User doesn't exist. 7036 throw new IllegalArgumentException( 7037 "Attempted to set profile owner for invalid userId: " + userHandle); 7038 } 7039 if (info.isGuest()) { 7040 throw new IllegalStateException("Cannot set a profile owner on a guest"); 7041 } 7042 if (mOwners.hasProfileOwner(userHandle)) { 7043 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 7044 + "is already set."); 7045 } 7046 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 7047 throw new IllegalStateException("Trying to set the profile owner, but the user " 7048 + "already has a device owner."); 7049 } 7050 if (isAdb()) { 7051 if ((mIsWatch || hasUserSetupCompleted(userHandle)) 7052 && hasIncompatibleAccountsOrNonAdb) { 7053 throw new IllegalStateException("Not allowed to set the profile owner because " 7054 + "there are already some accounts on the profile"); 7055 } 7056 return; 7057 } 7058 enforceCanManageProfileAndDeviceOwners(); 7059 if ((mIsWatch || hasUserSetupCompleted(userHandle)) && !isCallerWithSystemUid()) { 7060 throw new IllegalStateException("Cannot set the profile owner on a user which is " 7061 + "already set-up"); 7062 } 7063 } 7064 7065 /** 7066 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 7067 * permission. 7068 */ 7069 private void enforceCanSetDeviceOwnerLocked(@Nullable ComponentName owner, int userId, 7070 boolean hasIncompatibleAccountsOrNonAdb) { 7071 if (!isAdb()) { 7072 enforceCanManageProfileAndDeviceOwners(); 7073 } 7074 7075 final int code = checkDeviceOwnerProvisioningPreConditionLocked( 7076 owner, userId, isAdb(), hasIncompatibleAccountsOrNonAdb); 7077 switch (code) { 7078 case CODE_OK: 7079 return; 7080 case CODE_HAS_DEVICE_OWNER: 7081 throw new IllegalStateException( 7082 "Trying to set the device owner, but device owner is already set."); 7083 case CODE_USER_HAS_PROFILE_OWNER: 7084 throw new IllegalStateException("Trying to set the device owner, but the user " 7085 + "already has a profile owner."); 7086 case CODE_USER_NOT_RUNNING: 7087 throw new IllegalStateException("User not running: " + userId); 7088 case CODE_NOT_SYSTEM_USER: 7089 throw new IllegalStateException("User is not system user"); 7090 case CODE_USER_SETUP_COMPLETED: 7091 throw new IllegalStateException( 7092 "Cannot set the device owner if the device is already set-up"); 7093 case CODE_NONSYSTEM_USER_EXISTS: 7094 throw new IllegalStateException("Not allowed to set the device owner because there " 7095 + "are already several users on the device"); 7096 case CODE_ACCOUNTS_NOT_EMPTY: 7097 throw new IllegalStateException("Not allowed to set the device owner because there " 7098 + "are already some accounts on the device"); 7099 case CODE_HAS_PAIRED: 7100 throw new IllegalStateException("Not allowed to set the device owner because this " 7101 + "device has already paired"); 7102 default: 7103 throw new IllegalStateException("Unexpected @ProvisioningPreCondition " + code); 7104 } 7105 } 7106 7107 private void enforceUserUnlocked(int userId) { 7108 // Since we're doing this operation on behalf of an app, we only 7109 // want to use the actual "unlocked" state. 7110 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 7111 "User must be running and unlocked"); 7112 } 7113 7114 private void enforceUserUnlocked(@UserIdInt int userId, boolean parent) { 7115 if (parent) { 7116 enforceUserUnlocked(getProfileParentId(userId)); 7117 } else { 7118 enforceUserUnlocked(userId); 7119 } 7120 } 7121 7122 private void enforceManageUsers() { 7123 final int callingUid = mInjector.binderGetCallingUid(); 7124 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 7125 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7126 } 7127 } 7128 7129 private void enforceFullCrossUsersPermission(int userHandle) { 7130 enforceSystemUserOrPermission(userHandle, 7131 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 7132 } 7133 7134 private void enforceCrossUsersPermission(int userHandle) { 7135 enforceSystemUserOrPermission(userHandle, 7136 android.Manifest.permission.INTERACT_ACROSS_USERS); 7137 } 7138 7139 private void enforceSystemUserOrPermission(int userHandle, String permission) { 7140 if (userHandle < 0) { 7141 throw new IllegalArgumentException("Invalid userId " + userHandle); 7142 } 7143 final int callingUid = mInjector.binderGetCallingUid(); 7144 if (userHandle == UserHandle.getUserId(callingUid)) { 7145 return; 7146 } 7147 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 7148 mContext.enforceCallingOrSelfPermission(permission, 7149 "Must be system or have " + permission + " permission"); 7150 } 7151 } 7152 7153 private void enforceManagedProfile(int userHandle, String message) { 7154 if(!isManagedProfile(userHandle)) { 7155 throw new SecurityException("You can not " + message + " outside a managed profile."); 7156 } 7157 } 7158 7159 private void enforceNotManagedProfile(int userHandle, String message) { 7160 if(isManagedProfile(userHandle)) { 7161 throw new SecurityException("You can not " + message + " for a managed profile."); 7162 } 7163 } 7164 7165 private void enforceDeviceOwnerOrManageUsers() { 7166 synchronized (this) { 7167 if (getActiveAdminWithPolicyForUidLocked(null, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 7168 mInjector.binderGetCallingUid()) != null) { 7169 return; 7170 } 7171 } 7172 enforceManageUsers(); 7173 } 7174 7175 private void enforceProfileOwnerOrSystemUser(ComponentName admin) { 7176 synchronized (this) { 7177 if (getActiveAdminWithPolicyForUidLocked(admin, 7178 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()) 7179 != null) { 7180 return; 7181 } 7182 } 7183 Preconditions.checkState(isCallerWithSystemUid(), 7184 "Only profile owner, device owner and system may call this method."); 7185 } 7186 7187 private void ensureCallerPackage(@Nullable String packageName) { 7188 if (packageName == null) { 7189 Preconditions.checkState(isCallerWithSystemUid(), 7190 "Only caller can omit package name"); 7191 } else { 7192 final int callingUid = mInjector.binderGetCallingUid(); 7193 final int userId = mInjector.userHandleGetCallingUserId(); 7194 try { 7195 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 7196 packageName, 0, userId); 7197 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 7198 } catch (RemoteException e) { 7199 // Shouldn't happen 7200 } 7201 } 7202 } 7203 7204 private boolean isCallerWithSystemUid() { 7205 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 7206 } 7207 7208 protected int getProfileParentId(int userHandle) { 7209 final long ident = mInjector.binderClearCallingIdentity(); 7210 try { 7211 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 7212 return parentUser != null ? parentUser.id : userHandle; 7213 } finally { 7214 mInjector.binderRestoreCallingIdentity(ident); 7215 } 7216 } 7217 7218 private int getCredentialOwner(int userHandle, boolean parent) { 7219 final long ident = mInjector.binderClearCallingIdentity(); 7220 try { 7221 if (parent) { 7222 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 7223 if (parentProfile != null) { 7224 userHandle = parentProfile.id; 7225 } 7226 } 7227 return mUserManager.getCredentialOwnerProfile(userHandle); 7228 } finally { 7229 mInjector.binderRestoreCallingIdentity(ident); 7230 } 7231 } 7232 7233 private boolean isManagedProfile(int userHandle) { 7234 final UserInfo user = getUserInfo(userHandle); 7235 return user != null && user.isManagedProfile(); 7236 } 7237 7238 private void enableIfNecessary(String packageName, int userId) { 7239 try { 7240 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 7241 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 7242 userId); 7243 if (ai.enabledSetting 7244 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 7245 mIPackageManager.setApplicationEnabledSetting(packageName, 7246 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 7247 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 7248 } 7249 } catch (RemoteException e) { 7250 } 7251 } 7252 7253 @Override 7254 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 7255 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 7256 != PackageManager.PERMISSION_GRANTED) { 7257 7258 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 7259 + mInjector.binderGetCallingPid() 7260 + ", uid=" + mInjector.binderGetCallingUid()); 7261 return; 7262 } 7263 7264 synchronized (this) { 7265 pw.println("Current Device Policy Manager state:"); 7266 mOwners.dump(" ", pw); 7267 int userCount = mUserData.size(); 7268 for (int u = 0; u < userCount; u++) { 7269 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 7270 pw.println(); 7271 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 7272 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 7273 final int N = policy.mAdminList.size(); 7274 for (int i=0; i<N; i++) { 7275 ActiveAdmin ap = policy.mAdminList.get(i); 7276 if (ap != null) { 7277 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 7278 pw.println(":"); 7279 ap.dump(" ", pw); 7280 } 7281 } 7282 if (!policy.mRemovingAdmins.isEmpty()) { 7283 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 7284 + policy.mRemovingAdmins); 7285 } 7286 7287 pw.println(" "); 7288 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 7289 } 7290 pw.println(); 7291 pw.println("Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 7292 } 7293 } 7294 7295 private String getEncryptionStatusName(int encryptionStatus) { 7296 switch (encryptionStatus) { 7297 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 7298 return "inactive"; 7299 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 7300 return "block default key"; 7301 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 7302 return "block"; 7303 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 7304 return "per-user"; 7305 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 7306 return "unsupported"; 7307 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 7308 return "activating"; 7309 default: 7310 return "unknown"; 7311 } 7312 } 7313 7314 @Override 7315 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 7316 ComponentName activity) { 7317 Preconditions.checkNotNull(who, "ComponentName is null"); 7318 final int userHandle = UserHandle.getCallingUserId(); 7319 synchronized (this) { 7320 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7321 7322 long id = mInjector.binderClearCallingIdentity(); 7323 try { 7324 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 7325 mIPackageManager.flushPackageRestrictionsAsUser(userHandle); 7326 } catch (RemoteException re) { 7327 // Shouldn't happen 7328 } finally { 7329 mInjector.binderRestoreCallingIdentity(id); 7330 } 7331 } 7332 } 7333 7334 @Override 7335 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 7336 Preconditions.checkNotNull(who, "ComponentName is null"); 7337 final int userHandle = UserHandle.getCallingUserId(); 7338 synchronized (this) { 7339 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7340 7341 long id = mInjector.binderClearCallingIdentity(); 7342 try { 7343 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 7344 mIPackageManager.flushPackageRestrictionsAsUser(userHandle); 7345 } catch (RemoteException re) { 7346 // Shouldn't happen 7347 } finally { 7348 mInjector.binderRestoreCallingIdentity(id); 7349 } 7350 } 7351 } 7352 7353 @Override 7354 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 7355 String packageName) { 7356 try { 7357 setDelegatedScopePreO(admin, packageName, DELEGATION_APP_RESTRICTIONS); 7358 } catch (IllegalArgumentException e) { 7359 return false; 7360 } 7361 return true; 7362 } 7363 7364 @Override 7365 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 7366 final List<String> delegatePackages = getDelegatePackages(admin, 7367 DELEGATION_APP_RESTRICTIONS); 7368 return delegatePackages.size() > 0 ? delegatePackages.get(0) : null; 7369 } 7370 7371 @Override 7372 public boolean isCallerApplicationRestrictionsManagingPackage(String callerPackage) { 7373 return isCallerDelegate(callerPackage, DELEGATION_APP_RESTRICTIONS); 7374 } 7375 7376 @Override 7377 public void setApplicationRestrictions(ComponentName who, String callerPackage, 7378 String packageName, Bundle settings) { 7379 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 7380 DELEGATION_APP_RESTRICTIONS); 7381 7382 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7383 final long id = mInjector.binderClearCallingIdentity(); 7384 try { 7385 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 7386 } finally { 7387 mInjector.binderRestoreCallingIdentity(id); 7388 } 7389 } 7390 7391 @Override 7392 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 7393 PersistableBundle args, boolean parent) { 7394 if (!mHasFeature) { 7395 return; 7396 } 7397 Preconditions.checkNotNull(admin, "admin is null"); 7398 Preconditions.checkNotNull(agent, "agent is null"); 7399 final int userHandle = UserHandle.getCallingUserId(); 7400 synchronized (this) { 7401 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 7402 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 7403 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 7404 saveSettingsLocked(userHandle); 7405 } 7406 } 7407 7408 @Override 7409 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 7410 ComponentName agent, int userHandle, boolean parent) { 7411 if (!mHasFeature) { 7412 return null; 7413 } 7414 Preconditions.checkNotNull(agent, "agent null"); 7415 enforceFullCrossUsersPermission(userHandle); 7416 7417 synchronized (this) { 7418 final String componentName = agent.flattenToString(); 7419 if (admin != null) { 7420 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 7421 if (ap == null) return null; 7422 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 7423 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 7424 List<PersistableBundle> result = new ArrayList<>(); 7425 result.add(trustAgentInfo.options); 7426 return result; 7427 } 7428 7429 // Return strictest policy for this user and profiles that are visible from this user. 7430 List<PersistableBundle> result = null; 7431 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 7432 // of the options. If any admin doesn't have options, discard options for the rest 7433 // and return null. 7434 List<ActiveAdmin> admins = 7435 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 7436 boolean allAdminsHaveOptions = true; 7437 final int N = admins.size(); 7438 for (int i = 0; i < N; i++) { 7439 final ActiveAdmin active = admins.get(i); 7440 7441 final boolean disablesTrust = (active.disabledKeyguardFeatures 7442 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 7443 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 7444 if (info != null && info.options != null && !info.options.isEmpty()) { 7445 if (disablesTrust) { 7446 if (result == null) { 7447 result = new ArrayList<>(); 7448 } 7449 result.add(info.options); 7450 } else { 7451 Log.w(LOG_TAG, "Ignoring admin " + active.info 7452 + " because it has trust options but doesn't declare " 7453 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 7454 } 7455 } else if (disablesTrust) { 7456 allAdminsHaveOptions = false; 7457 break; 7458 } 7459 } 7460 return allAdminsHaveOptions ? result : null; 7461 } 7462 } 7463 7464 @Override 7465 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 7466 Preconditions.checkNotNull(who, "ComponentName is null"); 7467 synchronized (this) { 7468 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7469 7470 int userHandle = UserHandle.getCallingUserId(); 7471 DevicePolicyData userData = getUserData(userHandle); 7472 userData.mRestrictionsProvider = permissionProvider; 7473 saveSettingsLocked(userHandle); 7474 } 7475 } 7476 7477 @Override 7478 public ComponentName getRestrictionsProvider(int userHandle) { 7479 synchronized (this) { 7480 if (!isCallerWithSystemUid()) { 7481 throw new SecurityException("Only the system can query the permission provider"); 7482 } 7483 DevicePolicyData userData = getUserData(userHandle); 7484 return userData != null ? userData.mRestrictionsProvider : null; 7485 } 7486 } 7487 7488 @Override 7489 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 7490 Preconditions.checkNotNull(who, "ComponentName is null"); 7491 int callingUserId = UserHandle.getCallingUserId(); 7492 synchronized (this) { 7493 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7494 7495 long id = mInjector.binderClearCallingIdentity(); 7496 try { 7497 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7498 if (parent == null) { 7499 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 7500 + "parent"); 7501 return; 7502 } 7503 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 7504 mIPackageManager.addCrossProfileIntentFilter( 7505 filter, who.getPackageName(), callingUserId, parent.id, 0); 7506 } 7507 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 7508 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 7509 parent.id, callingUserId, 0); 7510 } 7511 } catch (RemoteException re) { 7512 // Shouldn't happen 7513 } finally { 7514 mInjector.binderRestoreCallingIdentity(id); 7515 } 7516 } 7517 } 7518 7519 @Override 7520 public void clearCrossProfileIntentFilters(ComponentName who) { 7521 Preconditions.checkNotNull(who, "ComponentName is null"); 7522 int callingUserId = UserHandle.getCallingUserId(); 7523 synchronized (this) { 7524 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7525 long id = mInjector.binderClearCallingIdentity(); 7526 try { 7527 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7528 if (parent == null) { 7529 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 7530 + "parent"); 7531 return; 7532 } 7533 // Removing those that go from the managed profile to the parent. 7534 mIPackageManager.clearCrossProfileIntentFilters( 7535 callingUserId, who.getPackageName()); 7536 // And those that go from the parent to the managed profile. 7537 // If we want to support multiple managed profiles, we will have to only remove 7538 // those that have callingUserId as their target. 7539 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 7540 } catch (RemoteException re) { 7541 // Shouldn't happen 7542 } finally { 7543 mInjector.binderRestoreCallingIdentity(id); 7544 } 7545 } 7546 } 7547 7548 /** 7549 * @return true if all packages in enabledPackages are either in the list 7550 * permittedList or are a system app. 7551 */ 7552 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 7553 List<String> permittedList, int userIdToCheck) { 7554 long id = mInjector.binderClearCallingIdentity(); 7555 try { 7556 // If we have an enabled packages list for a managed profile the packages 7557 // we should check are installed for the parent user. 7558 UserInfo user = getUserInfo(userIdToCheck); 7559 if (user.isManagedProfile()) { 7560 userIdToCheck = user.profileGroupId; 7561 } 7562 7563 for (String enabledPackage : enabledPackages) { 7564 boolean systemService = false; 7565 try { 7566 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 7567 enabledPackage, PackageManager.MATCH_UNINSTALLED_PACKAGES, 7568 userIdToCheck); 7569 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7570 } catch (RemoteException e) { 7571 Log.i(LOG_TAG, "Can't talk to package managed", e); 7572 } 7573 if (!systemService && !permittedList.contains(enabledPackage)) { 7574 return false; 7575 } 7576 } 7577 } finally { 7578 mInjector.binderRestoreCallingIdentity(id); 7579 } 7580 return true; 7581 } 7582 7583 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 7584 // Not using AccessibilityManager.getInstance because that guesses 7585 // at the user you require based on callingUid and caches for a given 7586 // process. 7587 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 7588 IAccessibilityManager service = iBinder == null 7589 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 7590 return new AccessibilityManager(mContext, service, userId); 7591 } 7592 7593 @Override 7594 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 7595 if (!mHasFeature) { 7596 return false; 7597 } 7598 Preconditions.checkNotNull(who, "ComponentName is null"); 7599 7600 if (packageList != null) { 7601 int userId = UserHandle.getCallingUserId(); 7602 List<AccessibilityServiceInfo> enabledServices = null; 7603 long id = mInjector.binderClearCallingIdentity(); 7604 try { 7605 UserInfo user = getUserInfo(userId); 7606 if (user.isManagedProfile()) { 7607 userId = user.profileGroupId; 7608 } 7609 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 7610 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 7611 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 7612 } finally { 7613 mInjector.binderRestoreCallingIdentity(id); 7614 } 7615 7616 if (enabledServices != null) { 7617 List<String> enabledPackages = new ArrayList<String>(); 7618 for (AccessibilityServiceInfo service : enabledServices) { 7619 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 7620 } 7621 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7622 userId)) { 7623 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 7624 + "because it contains already enabled accesibility services."); 7625 return false; 7626 } 7627 } 7628 } 7629 7630 synchronized (this) { 7631 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7632 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7633 admin.permittedAccessiblityServices = packageList; 7634 saveSettingsLocked(UserHandle.getCallingUserId()); 7635 } 7636 return true; 7637 } 7638 7639 @Override 7640 public List getPermittedAccessibilityServices(ComponentName who) { 7641 if (!mHasFeature) { 7642 return null; 7643 } 7644 Preconditions.checkNotNull(who, "ComponentName is null"); 7645 7646 synchronized (this) { 7647 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7648 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7649 return admin.permittedAccessiblityServices; 7650 } 7651 } 7652 7653 @Override 7654 public List getPermittedAccessibilityServicesForUser(int userId) { 7655 if (!mHasFeature) { 7656 return null; 7657 } 7658 synchronized (this) { 7659 List<String> result = null; 7660 // If we have multiple profiles we return the intersection of the 7661 // permitted lists. This can happen in cases where we have a device 7662 // and profile owner. 7663 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7664 for (int profileId : profileIds) { 7665 // Just loop though all admins, only device or profiles 7666 // owners can have permitted lists set. 7667 DevicePolicyData policy = getUserDataUnchecked(profileId); 7668 final int N = policy.mAdminList.size(); 7669 for (int j = 0; j < N; j++) { 7670 ActiveAdmin admin = policy.mAdminList.get(j); 7671 List<String> fromAdmin = admin.permittedAccessiblityServices; 7672 if (fromAdmin != null) { 7673 if (result == null) { 7674 result = new ArrayList<>(fromAdmin); 7675 } else { 7676 result.retainAll(fromAdmin); 7677 } 7678 } 7679 } 7680 } 7681 7682 // If we have a permitted list add all system accessibility services. 7683 if (result != null) { 7684 long id = mInjector.binderClearCallingIdentity(); 7685 try { 7686 UserInfo user = getUserInfo(userId); 7687 if (user.isManagedProfile()) { 7688 userId = user.profileGroupId; 7689 } 7690 AccessibilityManager accessibilityManager = 7691 getAccessibilityManagerForUser(userId); 7692 List<AccessibilityServiceInfo> installedServices = 7693 accessibilityManager.getInstalledAccessibilityServiceList(); 7694 7695 if (installedServices != null) { 7696 for (AccessibilityServiceInfo service : installedServices) { 7697 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 7698 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7699 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7700 result.add(serviceInfo.packageName); 7701 } 7702 } 7703 } 7704 } finally { 7705 mInjector.binderRestoreCallingIdentity(id); 7706 } 7707 } 7708 7709 return result; 7710 } 7711 } 7712 7713 @Override 7714 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 7715 int userHandle) { 7716 if (!mHasFeature) { 7717 return true; 7718 } 7719 Preconditions.checkNotNull(who, "ComponentName is null"); 7720 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7721 if (!isCallerWithSystemUid()){ 7722 throw new SecurityException( 7723 "Only the system can query if an accessibility service is disabled by admin"); 7724 } 7725 synchronized (this) { 7726 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7727 if (admin == null) { 7728 return false; 7729 } 7730 if (admin.permittedAccessiblityServices == null) { 7731 return true; 7732 } 7733 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7734 admin.permittedAccessiblityServices, userHandle); 7735 } 7736 } 7737 7738 private boolean checkCallerIsCurrentUserOrProfile() { 7739 int callingUserId = UserHandle.getCallingUserId(); 7740 long token = mInjector.binderClearCallingIdentity(); 7741 try { 7742 UserInfo currentUser; 7743 UserInfo callingUser = getUserInfo(callingUserId); 7744 try { 7745 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7746 } catch (RemoteException e) { 7747 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 7748 return false; 7749 } 7750 7751 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 7752 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 7753 + "of a user that isn't the foreground user."); 7754 return false; 7755 } 7756 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 7757 Slog.e(LOG_TAG, "Cannot set permitted input methods " 7758 + "of a user that isn't the foreground user."); 7759 return false; 7760 } 7761 } finally { 7762 mInjector.binderRestoreCallingIdentity(token); 7763 } 7764 return true; 7765 } 7766 7767 @Override 7768 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 7769 if (!mHasFeature) { 7770 return false; 7771 } 7772 Preconditions.checkNotNull(who, "ComponentName is null"); 7773 7774 // TODO When InputMethodManager supports per user calls remove 7775 // this restriction. 7776 if (!checkCallerIsCurrentUserOrProfile()) { 7777 return false; 7778 } 7779 7780 if (packageList != null) { 7781 // InputMethodManager fetches input methods for current user. 7782 // So this can only be set when calling user is the current user 7783 // or parent is current user in case of managed profiles. 7784 InputMethodManager inputMethodManager = 7785 mContext.getSystemService(InputMethodManager.class); 7786 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 7787 7788 if (enabledImes != null) { 7789 List<String> enabledPackages = new ArrayList<String>(); 7790 for (InputMethodInfo ime : enabledImes) { 7791 enabledPackages.add(ime.getPackageName()); 7792 } 7793 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7794 mInjector.binderGetCallingUserHandle().getIdentifier())) { 7795 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 7796 + "because it contains already enabled input method."); 7797 return false; 7798 } 7799 } 7800 } 7801 7802 synchronized (this) { 7803 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7804 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7805 admin.permittedInputMethods = packageList; 7806 saveSettingsLocked(UserHandle.getCallingUserId()); 7807 } 7808 return true; 7809 } 7810 7811 @Override 7812 public List getPermittedInputMethods(ComponentName who) { 7813 if (!mHasFeature) { 7814 return null; 7815 } 7816 Preconditions.checkNotNull(who, "ComponentName is null"); 7817 7818 synchronized (this) { 7819 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7820 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7821 return admin.permittedInputMethods; 7822 } 7823 } 7824 7825 @Override 7826 public List getPermittedInputMethodsForCurrentUser() { 7827 UserInfo currentUser; 7828 try { 7829 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7830 } catch (RemoteException e) { 7831 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 7832 // Activity managed is dead, just allow all IMEs 7833 return null; 7834 } 7835 7836 int userId = currentUser.id; 7837 synchronized (this) { 7838 List<String> result = null; 7839 // If we have multiple profiles we return the intersection of the 7840 // permitted lists. This can happen in cases where we have a device 7841 // and profile owner. 7842 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7843 for (int profileId : profileIds) { 7844 // Just loop though all admins, only device or profiles 7845 // owners can have permitted lists set. 7846 DevicePolicyData policy = getUserDataUnchecked(profileId); 7847 final int N = policy.mAdminList.size(); 7848 for (int j = 0; j < N; j++) { 7849 ActiveAdmin admin = policy.mAdminList.get(j); 7850 List<String> fromAdmin = admin.permittedInputMethods; 7851 if (fromAdmin != null) { 7852 if (result == null) { 7853 result = new ArrayList<String>(fromAdmin); 7854 } else { 7855 result.retainAll(fromAdmin); 7856 } 7857 } 7858 } 7859 } 7860 7861 // If we have a permitted list add all system input methods. 7862 if (result != null) { 7863 InputMethodManager inputMethodManager = 7864 mContext.getSystemService(InputMethodManager.class); 7865 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 7866 long id = mInjector.binderClearCallingIdentity(); 7867 try { 7868 if (imes != null) { 7869 for (InputMethodInfo ime : imes) { 7870 ServiceInfo serviceInfo = ime.getServiceInfo(); 7871 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7872 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7873 result.add(serviceInfo.packageName); 7874 } 7875 } 7876 } 7877 } finally { 7878 mInjector.binderRestoreCallingIdentity(id); 7879 } 7880 } 7881 return result; 7882 } 7883 } 7884 7885 @Override 7886 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 7887 int userHandle) { 7888 if (!mHasFeature) { 7889 return true; 7890 } 7891 Preconditions.checkNotNull(who, "ComponentName is null"); 7892 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7893 if (!isCallerWithSystemUid()) { 7894 throw new SecurityException( 7895 "Only the system can query if an input method is disabled by admin"); 7896 } 7897 synchronized (this) { 7898 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7899 if (admin == null) { 7900 return false; 7901 } 7902 if (admin.permittedInputMethods == null) { 7903 return true; 7904 } 7905 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7906 admin.permittedInputMethods, userHandle); 7907 } 7908 } 7909 7910 private void sendAdminEnabledBroadcastLocked(int userHandle) { 7911 DevicePolicyData policyData = getUserData(userHandle); 7912 if (policyData.mAdminBroadcastPending) { 7913 // Send the initialization data to profile owner and delete the data 7914 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 7915 if (admin != null) { 7916 PersistableBundle initBundle = policyData.mInitBundle; 7917 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 7918 initBundle == null ? null : new Bundle(initBundle), null); 7919 } 7920 policyData.mInitBundle = null; 7921 policyData.mAdminBroadcastPending = false; 7922 saveSettingsLocked(userHandle); 7923 } 7924 } 7925 7926 @Override 7927 public UserHandle createAndManageUser(ComponentName admin, String name, 7928 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 7929 Preconditions.checkNotNull(admin, "admin is null"); 7930 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 7931 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 7932 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 7933 + admin + " are not in the same package"); 7934 } 7935 // Only allow the system user to use this method 7936 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 7937 throw new SecurityException("createAndManageUser was called from non-system user"); 7938 } 7939 if (!mInjector.userManagerIsSplitSystemUser() 7940 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7941 throw new IllegalArgumentException( 7942 "Ephemeral users are only supported on systems with a split system user."); 7943 } 7944 // Create user. 7945 UserHandle user = null; 7946 synchronized (this) { 7947 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7948 7949 final long id = mInjector.binderClearCallingIdentity(); 7950 try { 7951 int userInfoFlags = 0; 7952 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7953 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 7954 } 7955 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 7956 userInfoFlags); 7957 if (userInfo != null) { 7958 user = userInfo.getUserHandle(); 7959 } 7960 } finally { 7961 mInjector.binderRestoreCallingIdentity(id); 7962 } 7963 } 7964 if (user == null) { 7965 return null; 7966 } 7967 // Set admin. 7968 final long id = mInjector.binderClearCallingIdentity(); 7969 try { 7970 final String adminPkg = admin.getPackageName(); 7971 7972 final int userHandle = user.getIdentifier(); 7973 try { 7974 // Install the profile owner if not present. 7975 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 7976 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle, 7977 0 /*installFlags*/, PackageManager.INSTALL_REASON_POLICY); 7978 } 7979 } catch (RemoteException e) { 7980 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 7981 + "removing created user", e); 7982 mUserManager.removeUser(user.getIdentifier()); 7983 return null; 7984 } 7985 7986 setActiveAdmin(profileOwner, true, userHandle); 7987 // User is not started yet, the broadcast by setActiveAdmin will not be received. 7988 // So we store adminExtras for broadcasting when the user starts for first time. 7989 synchronized(this) { 7990 DevicePolicyData policyData = getUserData(userHandle); 7991 policyData.mInitBundle = adminExtras; 7992 policyData.mAdminBroadcastPending = true; 7993 saveSettingsLocked(userHandle); 7994 } 7995 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 7996 setProfileOwner(profileOwner, ownerName, userHandle); 7997 7998 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 7999 Settings.Secure.putIntForUser(mContext.getContentResolver(), 8000 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 8001 } 8002 8003 return user; 8004 } finally { 8005 mInjector.binderRestoreCallingIdentity(id); 8006 } 8007 } 8008 8009 @Override 8010 public boolean removeUser(ComponentName who, UserHandle userHandle) { 8011 Preconditions.checkNotNull(who, "ComponentName is null"); 8012 synchronized (this) { 8013 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8014 } 8015 8016 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8017 final long id = mInjector.binderClearCallingIdentity(); 8018 try { 8019 String restriction = isManagedProfile(userHandle.getIdentifier()) 8020 ? UserManager.DISALLOW_REMOVE_MANAGED_PROFILE 8021 : UserManager.DISALLOW_REMOVE_USER; 8022 if (isAdminAffectedByRestriction(who, restriction, callingUserId)) { 8023 Log.w(LOG_TAG, "The device owner cannot remove a user because " 8024 + restriction + " is enabled, and was not set by the device owner"); 8025 return false; 8026 } 8027 return mUserManagerInternal.removeUserEvenWhenDisallowed(userHandle.getIdentifier()); 8028 } finally { 8029 mInjector.binderRestoreCallingIdentity(id); 8030 } 8031 } 8032 8033 private boolean isAdminAffectedByRestriction( 8034 ComponentName admin, String userRestriction, int userId) { 8035 switch(mUserManager.getUserRestrictionSource(userRestriction, UserHandle.of(userId))) { 8036 case UserManager.RESTRICTION_NOT_SET: 8037 return false; 8038 case UserManager.RESTRICTION_SOURCE_DEVICE_OWNER: 8039 return !isDeviceOwner(admin, userId); 8040 case UserManager.RESTRICTION_SOURCE_PROFILE_OWNER: 8041 return !isProfileOwner(admin, userId); 8042 default: 8043 return true; 8044 } 8045 } 8046 8047 @Override 8048 public boolean switchUser(ComponentName who, UserHandle userHandle) { 8049 Preconditions.checkNotNull(who, "ComponentName is null"); 8050 synchronized (this) { 8051 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8052 8053 long id = mInjector.binderClearCallingIdentity(); 8054 try { 8055 int userId = UserHandle.USER_SYSTEM; 8056 if (userHandle != null) { 8057 userId = userHandle.getIdentifier(); 8058 } 8059 return mInjector.getIActivityManager().switchUser(userId); 8060 } catch (RemoteException e) { 8061 Log.e(LOG_TAG, "Couldn't switch user", e); 8062 return false; 8063 } finally { 8064 mInjector.binderRestoreCallingIdentity(id); 8065 } 8066 } 8067 } 8068 8069 @Override 8070 public Bundle getApplicationRestrictions(ComponentName who, String callerPackage, 8071 String packageName) { 8072 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8073 DELEGATION_APP_RESTRICTIONS); 8074 8075 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 8076 final long id = mInjector.binderClearCallingIdentity(); 8077 try { 8078 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 8079 // if no restrictions were saved, mUserManager.getApplicationRestrictions 8080 // returns null, but DPM method should return an empty Bundle as per JavaDoc 8081 return bundle != null ? bundle : Bundle.EMPTY; 8082 } finally { 8083 mInjector.binderRestoreCallingIdentity(id); 8084 } 8085 } 8086 8087 @Override 8088 public String[] setPackagesSuspended(ComponentName who, String callerPackage, 8089 String[] packageNames, boolean suspended) { 8090 int callingUserId = UserHandle.getCallingUserId(); 8091 synchronized (this) { 8092 // Ensure the caller is a DO/PO or a package access delegate. 8093 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8094 DELEGATION_PACKAGE_ACCESS); 8095 8096 long id = mInjector.binderClearCallingIdentity(); 8097 try { 8098 return mIPackageManager.setPackagesSuspendedAsUser( 8099 packageNames, suspended, callingUserId); 8100 } catch (RemoteException re) { 8101 // Shouldn't happen. 8102 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 8103 } finally { 8104 mInjector.binderRestoreCallingIdentity(id); 8105 } 8106 return packageNames; 8107 } 8108 } 8109 8110 @Override 8111 public boolean isPackageSuspended(ComponentName who, String callerPackage, String packageName) { 8112 int callingUserId = UserHandle.getCallingUserId(); 8113 synchronized (this) { 8114 // Ensure the caller is a DO/PO or a package access delegate. 8115 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8116 DELEGATION_PACKAGE_ACCESS); 8117 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8118 8119 long id = mInjector.binderClearCallingIdentity(); 8120 try { 8121 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 8122 } catch (RemoteException re) { 8123 // Shouldn't happen. 8124 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 8125 } finally { 8126 mInjector.binderRestoreCallingIdentity(id); 8127 } 8128 return false; 8129 } 8130 } 8131 8132 @Override 8133 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 8134 Preconditions.checkNotNull(who, "ComponentName is null"); 8135 if (!UserRestrictionsUtils.isValidRestriction(key)) { 8136 return; 8137 } 8138 8139 final int userHandle = mInjector.userHandleGetCallingUserId(); 8140 synchronized (this) { 8141 final ActiveAdmin activeAdmin = 8142 getActiveAdminForCallerLocked(who, 8143 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8144 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 8145 if (isDeviceOwner) { 8146 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 8147 throw new SecurityException("Device owner cannot set user restriction " + key); 8148 } 8149 } else { // profile owner 8150 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 8151 throw new SecurityException("Profile owner cannot set user restriction " + key); 8152 } 8153 } 8154 8155 // Save the restriction to ActiveAdmin. 8156 final Bundle restrictions = activeAdmin.ensureUserRestrictions(); 8157 if (enabledFromThisOwner) { 8158 restrictions.putBoolean(key, true); 8159 } else { 8160 restrictions.remove(key); 8161 } 8162 saveUserRestrictionsLocked(userHandle); 8163 } 8164 } 8165 8166 private void saveUserRestrictionsLocked(int userId) { 8167 saveSettingsLocked(userId); 8168 pushUserRestrictions(userId); 8169 sendChangedNotification(userId); 8170 } 8171 8172 private void pushUserRestrictions(int userId) { 8173 synchronized (this) { 8174 final boolean isDeviceOwner = mOwners.isDeviceOwnerUserId(userId); 8175 final Bundle userRestrictions; 8176 // Whether device owner enforces camera restriction. 8177 boolean disallowCameraGlobally = false; 8178 8179 if (isDeviceOwner) { 8180 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 8181 if (deviceOwner == null) { 8182 return; // Shouldn't happen. 8183 } 8184 userRestrictions = deviceOwner.userRestrictions; 8185 // DO can disable camera globally. 8186 disallowCameraGlobally = deviceOwner.disableCamera; 8187 } else { 8188 final ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 8189 userRestrictions = profileOwner != null ? profileOwner.userRestrictions : null; 8190 } 8191 8192 // Whether any admin enforces camera restriction. 8193 final int cameraRestrictionScope = 8194 getCameraRestrictionScopeLocked(userId, disallowCameraGlobally); 8195 8196 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, userRestrictions, 8197 isDeviceOwner, cameraRestrictionScope); 8198 } 8199 } 8200 8201 /** 8202 * Get the scope of camera restriction for a given user if any. 8203 */ 8204 private int getCameraRestrictionScopeLocked(int userId, boolean disallowCameraGlobally) { 8205 if (disallowCameraGlobally) { 8206 return UserManagerInternal.CAMERA_DISABLED_GLOBALLY; 8207 } else if (getCameraDisabled( 8208 /* who= */ null, userId, /* mergeDeviceOwnerRestriction= */ false)) { 8209 return UserManagerInternal.CAMERA_DISABLED_LOCALLY; 8210 } 8211 return UserManagerInternal.CAMERA_NOT_DISABLED; 8212 } 8213 8214 @Override 8215 public Bundle getUserRestrictions(ComponentName who) { 8216 if (!mHasFeature) { 8217 return null; 8218 } 8219 Preconditions.checkNotNull(who, "ComponentName is null"); 8220 synchronized (this) { 8221 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 8222 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8223 return activeAdmin.userRestrictions; 8224 } 8225 } 8226 8227 @Override 8228 public boolean setApplicationHidden(ComponentName who, String callerPackage, String packageName, 8229 boolean hidden) { 8230 int callingUserId = UserHandle.getCallingUserId(); 8231 synchronized (this) { 8232 // Ensure the caller is a DO/PO or a package access delegate. 8233 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8234 DELEGATION_PACKAGE_ACCESS); 8235 8236 long id = mInjector.binderClearCallingIdentity(); 8237 try { 8238 return mIPackageManager.setApplicationHiddenSettingAsUser( 8239 packageName, hidden, callingUserId); 8240 } catch (RemoteException re) { 8241 // shouldn't happen 8242 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 8243 } finally { 8244 mInjector.binderRestoreCallingIdentity(id); 8245 } 8246 return false; 8247 } 8248 } 8249 8250 @Override 8251 public boolean isApplicationHidden(ComponentName who, String callerPackage, 8252 String packageName) { 8253 int callingUserId = UserHandle.getCallingUserId(); 8254 synchronized (this) { 8255 // Ensure the caller is a DO/PO or a package access delegate. 8256 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8257 DELEGATION_PACKAGE_ACCESS); 8258 8259 long id = mInjector.binderClearCallingIdentity(); 8260 try { 8261 return mIPackageManager.getApplicationHiddenSettingAsUser( 8262 packageName, callingUserId); 8263 } catch (RemoteException re) { 8264 // shouldn't happen 8265 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 8266 } finally { 8267 mInjector.binderRestoreCallingIdentity(id); 8268 } 8269 return false; 8270 } 8271 } 8272 8273 @Override 8274 public void enableSystemApp(ComponentName who, String callerPackage, String packageName) { 8275 synchronized (this) { 8276 // Ensure the caller is a DO/PO or an enable system app delegate. 8277 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8278 DELEGATION_ENABLE_SYSTEM_APP); 8279 8280 int userId = UserHandle.getCallingUserId(); 8281 long id = mInjector.binderClearCallingIdentity(); 8282 8283 try { 8284 if (VERBOSE_LOG) { 8285 Slog.v(LOG_TAG, "installing " + packageName + " for " 8286 + userId); 8287 } 8288 8289 int parentUserId = getProfileParentId(userId); 8290 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 8291 throw new IllegalArgumentException("Only system apps can be enabled this way."); 8292 } 8293 8294 // Install the app. 8295 mIPackageManager.installExistingPackageAsUser(packageName, userId, 8296 0 /*installFlags*/, PackageManager.INSTALL_REASON_POLICY); 8297 8298 } catch (RemoteException re) { 8299 // shouldn't happen 8300 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 8301 } finally { 8302 mInjector.binderRestoreCallingIdentity(id); 8303 } 8304 } 8305 } 8306 8307 @Override 8308 public int enableSystemAppWithIntent(ComponentName who, String callerPackage, Intent intent) { 8309 synchronized (this) { 8310 // Ensure the caller is a DO/PO or an enable system app delegate. 8311 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8312 DELEGATION_ENABLE_SYSTEM_APP); 8313 8314 int userId = UserHandle.getCallingUserId(); 8315 long id = mInjector.binderClearCallingIdentity(); 8316 8317 try { 8318 int parentUserId = getProfileParentId(userId); 8319 List<ResolveInfo> activitiesToEnable = mIPackageManager 8320 .queryIntentActivities(intent, 8321 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 8322 PackageManager.MATCH_DIRECT_BOOT_AWARE 8323 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 8324 parentUserId) 8325 .getList(); 8326 8327 if (VERBOSE_LOG) { 8328 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 8329 } 8330 int numberOfAppsInstalled = 0; 8331 if (activitiesToEnable != null) { 8332 for (ResolveInfo info : activitiesToEnable) { 8333 if (info.activityInfo != null) { 8334 String packageName = info.activityInfo.packageName; 8335 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 8336 numberOfAppsInstalled++; 8337 mIPackageManager.installExistingPackageAsUser(packageName, userId, 8338 0 /*installFlags*/, PackageManager.INSTALL_REASON_POLICY); 8339 } else { 8340 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 8341 + " system app"); 8342 } 8343 } 8344 } 8345 } 8346 return numberOfAppsInstalled; 8347 } catch (RemoteException e) { 8348 // shouldn't happen 8349 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 8350 return 0; 8351 } finally { 8352 mInjector.binderRestoreCallingIdentity(id); 8353 } 8354 } 8355 } 8356 8357 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 8358 throws RemoteException { 8359 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, MATCH_UNINSTALLED_PACKAGES, 8360 userId); 8361 if (appInfo == null) { 8362 throw new IllegalArgumentException("The application " + packageName + 8363 " is not present on this device"); 8364 } 8365 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 8366 } 8367 8368 @Override 8369 public void setAccountManagementDisabled(ComponentName who, String accountType, 8370 boolean disabled) { 8371 if (!mHasFeature) { 8372 return; 8373 } 8374 Preconditions.checkNotNull(who, "ComponentName is null"); 8375 synchronized (this) { 8376 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 8377 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8378 if (disabled) { 8379 ap.accountTypesWithManagementDisabled.add(accountType); 8380 } else { 8381 ap.accountTypesWithManagementDisabled.remove(accountType); 8382 } 8383 saveSettingsLocked(UserHandle.getCallingUserId()); 8384 } 8385 } 8386 8387 @Override 8388 public String[] getAccountTypesWithManagementDisabled() { 8389 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 8390 } 8391 8392 @Override 8393 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 8394 enforceFullCrossUsersPermission(userId); 8395 if (!mHasFeature) { 8396 return null; 8397 } 8398 synchronized (this) { 8399 DevicePolicyData policy = getUserData(userId); 8400 final int N = policy.mAdminList.size(); 8401 ArraySet<String> resultSet = new ArraySet<>(); 8402 for (int i = 0; i < N; i++) { 8403 ActiveAdmin admin = policy.mAdminList.get(i); 8404 resultSet.addAll(admin.accountTypesWithManagementDisabled); 8405 } 8406 return resultSet.toArray(new String[resultSet.size()]); 8407 } 8408 } 8409 8410 @Override 8411 public void setUninstallBlocked(ComponentName who, String callerPackage, String packageName, 8412 boolean uninstallBlocked) { 8413 final int userId = UserHandle.getCallingUserId(); 8414 synchronized (this) { 8415 // Ensure the caller is a DO/PO or a block uninstall delegate 8416 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 8417 DELEGATION_BLOCK_UNINSTALL); 8418 8419 long id = mInjector.binderClearCallingIdentity(); 8420 try { 8421 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 8422 } catch (RemoteException re) { 8423 // Shouldn't happen. 8424 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 8425 } finally { 8426 mInjector.binderRestoreCallingIdentity(id); 8427 } 8428 } 8429 } 8430 8431 @Override 8432 public boolean isUninstallBlocked(ComponentName who, String packageName) { 8433 // This function should return true if and only if the package is blocked by 8434 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 8435 // when the package is a system app, or when it is an active device admin. 8436 final int userId = UserHandle.getCallingUserId(); 8437 8438 synchronized (this) { 8439 if (who != null) { 8440 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8441 } 8442 8443 long id = mInjector.binderClearCallingIdentity(); 8444 try { 8445 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 8446 } catch (RemoteException re) { 8447 // Shouldn't happen. 8448 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 8449 } finally { 8450 mInjector.binderRestoreCallingIdentity(id); 8451 } 8452 } 8453 return false; 8454 } 8455 8456 @Override 8457 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 8458 if (!mHasFeature) { 8459 return; 8460 } 8461 Preconditions.checkNotNull(who, "ComponentName is null"); 8462 synchronized (this) { 8463 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8464 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8465 if (admin.disableCallerId != disabled) { 8466 admin.disableCallerId = disabled; 8467 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8468 } 8469 } 8470 } 8471 8472 @Override 8473 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 8474 if (!mHasFeature) { 8475 return false; 8476 } 8477 Preconditions.checkNotNull(who, "ComponentName is null"); 8478 synchronized (this) { 8479 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8480 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8481 return admin.disableCallerId; 8482 } 8483 } 8484 8485 @Override 8486 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 8487 enforceCrossUsersPermission(userId); 8488 synchronized (this) { 8489 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8490 return (admin != null) ? admin.disableCallerId : false; 8491 } 8492 } 8493 8494 @Override 8495 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 8496 if (!mHasFeature) { 8497 return; 8498 } 8499 Preconditions.checkNotNull(who, "ComponentName is null"); 8500 synchronized (this) { 8501 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8502 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8503 if (admin.disableContactsSearch != disabled) { 8504 admin.disableContactsSearch = disabled; 8505 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8506 } 8507 } 8508 } 8509 8510 @Override 8511 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 8512 if (!mHasFeature) { 8513 return false; 8514 } 8515 Preconditions.checkNotNull(who, "ComponentName is null"); 8516 synchronized (this) { 8517 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8518 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8519 return admin.disableContactsSearch; 8520 } 8521 } 8522 8523 @Override 8524 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 8525 enforceCrossUsersPermission(userId); 8526 synchronized (this) { 8527 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8528 return (admin != null) ? admin.disableContactsSearch : false; 8529 } 8530 } 8531 8532 @Override 8533 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 8534 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 8535 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 8536 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 8537 final int callingUserId = UserHandle.getCallingUserId(); 8538 8539 final long ident = mInjector.binderClearCallingIdentity(); 8540 try { 8541 synchronized (this) { 8542 final int managedUserId = getManagedUserId(callingUserId); 8543 if (managedUserId < 0) { 8544 return; 8545 } 8546 if (isCrossProfileQuickContactDisabled(managedUserId)) { 8547 if (VERBOSE_LOG) { 8548 Log.v(LOG_TAG, 8549 "Cross-profile contacts access disabled for user " + managedUserId); 8550 } 8551 return; 8552 } 8553 ContactsInternal.startQuickContactWithErrorToastForUser( 8554 mContext, intent, new UserHandle(managedUserId)); 8555 } 8556 } finally { 8557 mInjector.binderRestoreCallingIdentity(ident); 8558 } 8559 } 8560 8561 /** 8562 * @return true if cross-profile QuickContact is disabled 8563 */ 8564 private boolean isCrossProfileQuickContactDisabled(int userId) { 8565 return getCrossProfileCallerIdDisabledForUser(userId) 8566 && getCrossProfileContactsSearchDisabledForUser(userId); 8567 } 8568 8569 /** 8570 * @return the user ID of the managed user that is linked to the current user, if any. 8571 * Otherwise -1. 8572 */ 8573 public int getManagedUserId(int callingUserId) { 8574 if (VERBOSE_LOG) { 8575 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 8576 } 8577 8578 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 8579 if (ui.id == callingUserId || !ui.isManagedProfile()) { 8580 continue; // Caller user self, or not a managed profile. Skip. 8581 } 8582 if (VERBOSE_LOG) { 8583 Log.v(LOG_TAG, "Managed user=" + ui.id); 8584 } 8585 return ui.id; 8586 } 8587 if (VERBOSE_LOG) { 8588 Log.v(LOG_TAG, "Managed user not found."); 8589 } 8590 return -1; 8591 } 8592 8593 @Override 8594 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 8595 if (!mHasFeature) { 8596 return; 8597 } 8598 Preconditions.checkNotNull(who, "ComponentName is null"); 8599 synchronized (this) { 8600 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8601 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8602 if (admin.disableBluetoothContactSharing != disabled) { 8603 admin.disableBluetoothContactSharing = disabled; 8604 saveSettingsLocked(UserHandle.getCallingUserId()); 8605 } 8606 } 8607 } 8608 8609 @Override 8610 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 8611 if (!mHasFeature) { 8612 return false; 8613 } 8614 Preconditions.checkNotNull(who, "ComponentName is null"); 8615 synchronized (this) { 8616 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8617 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8618 return admin.disableBluetoothContactSharing; 8619 } 8620 } 8621 8622 @Override 8623 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 8624 // TODO: Should there be a check to make sure this relationship is 8625 // within a profile group? 8626 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 8627 synchronized (this) { 8628 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8629 return (admin != null) ? admin.disableBluetoothContactSharing : false; 8630 } 8631 } 8632 8633 @Override 8634 public void setLockTaskPackages(ComponentName who, String[] packages) 8635 throws SecurityException { 8636 Preconditions.checkNotNull(who, "ComponentName is null"); 8637 Preconditions.checkNotNull(packages, "packages is null"); 8638 8639 synchronized (this) { 8640 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8641 final int userHandle = mInjector.userHandleGetCallingUserId(); 8642 if (isUserAffiliatedWithDeviceLocked(userHandle)) { 8643 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 8644 } else { 8645 throw new SecurityException("Admin " + who + 8646 " is neither the device owner or affiliated user's profile owner."); 8647 } 8648 } 8649 } 8650 8651 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 8652 DevicePolicyData policy = getUserData(userHandle); 8653 policy.mLockTaskPackages = packages; 8654 8655 // Store the settings persistently. 8656 saveSettingsLocked(userHandle); 8657 updateLockTaskPackagesLocked(packages, userHandle); 8658 } 8659 8660 private void maybeClearLockTaskPackagesLocked() { 8661 final long ident = mInjector.binderClearCallingIdentity(); 8662 try { 8663 final List<UserInfo> userInfos = mUserManager.getUsers(/*excludeDying=*/ true); 8664 for (int i = 0; i < userInfos.size(); i++) { 8665 int userId = userInfos.get(i).id; 8666 final List<String> lockTaskPackages = getUserData(userId).mLockTaskPackages; 8667 if (!lockTaskPackages.isEmpty() && 8668 !isUserAffiliatedWithDeviceLocked(userId)) { 8669 Slog.d(LOG_TAG, 8670 "User id " + userId + " not affiliated. Clearing lock task packages"); 8671 setLockTaskPackagesLocked(userId, Collections.<String>emptyList()); 8672 } 8673 } 8674 } finally { 8675 mInjector.binderRestoreCallingIdentity(ident); 8676 } 8677 } 8678 8679 @Override 8680 public String[] getLockTaskPackages(ComponentName who) { 8681 Preconditions.checkNotNull(who, "ComponentName is null"); 8682 8683 final int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 8684 synchronized (this) { 8685 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8686 if (!isUserAffiliatedWithDeviceLocked(userHandle)) { 8687 throw new SecurityException("Admin " + who + 8688 " is neither the device owner or affiliated user's profile owner."); 8689 } 8690 8691 final List<String> packages = getUserData(userHandle).mLockTaskPackages; 8692 return packages.toArray(new String[packages.size()]); 8693 } 8694 } 8695 8696 @Override 8697 public boolean isLockTaskPermitted(String pkg) { 8698 final int userHandle = mInjector.userHandleGetCallingUserId(); 8699 synchronized (this) { 8700 return getUserData(userHandle).mLockTaskPackages.contains(pkg); 8701 } 8702 } 8703 8704 @Override 8705 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 8706 if (!isCallerWithSystemUid()) { 8707 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 8708 } 8709 synchronized (this) { 8710 final DevicePolicyData policy = getUserData(userHandle); 8711 Bundle adminExtras = new Bundle(); 8712 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 8713 for (ActiveAdmin admin : policy.mAdminList) { 8714 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 8715 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 8716 if (ownsDevice || ownsProfile) { 8717 if (isEnabled) { 8718 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 8719 adminExtras, null); 8720 } else { 8721 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 8722 } 8723 } 8724 } 8725 } 8726 } 8727 8728 @Override 8729 public void setGlobalSetting(ComponentName who, String setting, String value) { 8730 Preconditions.checkNotNull(who, "ComponentName is null"); 8731 8732 synchronized (this) { 8733 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8734 8735 // Some settings are no supported any more. However we do not want to throw a 8736 // SecurityException to avoid breaking apps. 8737 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 8738 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 8739 return; 8740 } 8741 8742 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 8743 throw new SecurityException(String.format( 8744 "Permission denial: device owners cannot update %1$s", setting)); 8745 } 8746 8747 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 8748 // ignore if it contradicts an existing policy 8749 long timeMs = getMaximumTimeToLock( 8750 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 8751 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 8752 return; 8753 } 8754 } 8755 8756 long id = mInjector.binderClearCallingIdentity(); 8757 try { 8758 mInjector.settingsGlobalPutString(setting, value); 8759 } finally { 8760 mInjector.binderRestoreCallingIdentity(id); 8761 } 8762 } 8763 } 8764 8765 @Override 8766 public void setSecureSetting(ComponentName who, String setting, String value) { 8767 Preconditions.checkNotNull(who, "ComponentName is null"); 8768 int callingUserId = mInjector.userHandleGetCallingUserId(); 8769 8770 synchronized (this) { 8771 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8772 8773 if (isDeviceOwner(who, callingUserId)) { 8774 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 8775 throw new SecurityException(String.format( 8776 "Permission denial: Device owners cannot update %1$s", setting)); 8777 } 8778 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 8779 throw new SecurityException(String.format( 8780 "Permission denial: Profile owners cannot update %1$s", setting)); 8781 } 8782 if (setting.equals(Settings.Secure.INSTALL_NON_MARKET_APPS)) { 8783 if (getTargetSdk(who.getPackageName(), callingUserId) >= Build.VERSION_CODES.O) { 8784 throw new UnsupportedOperationException(Settings.Secure.INSTALL_NON_MARKET_APPS 8785 + " is deprecated. Please use the user restriction " 8786 + UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES + " instead."); 8787 } 8788 if (!mUserManager.isManagedProfile(callingUserId)) { 8789 Slog.e(LOG_TAG, "Ignoring setSecureSetting request for " 8790 + setting + ". User restriction " 8791 + UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES 8792 + " should be used instead."); 8793 } else { 8794 try { 8795 setUserRestriction(who, UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, 8796 (Integer.parseInt(value) == 0) ? true : false); 8797 } catch (NumberFormatException exc) { 8798 Slog.e(LOG_TAG, "Invalid value: " + value + " for setting " + setting); 8799 } 8800 } 8801 return; 8802 } 8803 long id = mInjector.binderClearCallingIdentity(); 8804 try { 8805 if (Settings.Secure.DEFAULT_INPUT_METHOD.equals(setting)) { 8806 final String currentValue = mInjector.settingsSecureGetStringForUser( 8807 Settings.Secure.DEFAULT_INPUT_METHOD, callingUserId); 8808 if (!TextUtils.equals(currentValue, value)) { 8809 // Tell the content observer that the next change will be due to the owner 8810 // changing the value. There is a small race condition here that we cannot 8811 // avoid: Change notifications are sent asynchronously, so it is possible 8812 // that there are prior notifications queued up before the one we are about 8813 // to trigger. This is a corner case that will have no impact in practice. 8814 mSetupContentObserver.addPendingChangeByOwnerLocked(callingUserId); 8815 } 8816 getUserData(callingUserId).mDefaultInputMethodSet = true; 8817 saveSettingsLocked(callingUserId); 8818 } 8819 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 8820 } finally { 8821 mInjector.binderRestoreCallingIdentity(id); 8822 } 8823 } 8824 } 8825 8826 @Override 8827 public void setMasterVolumeMuted(ComponentName who, boolean on) { 8828 Preconditions.checkNotNull(who, "ComponentName is null"); 8829 synchronized (this) { 8830 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8831 setUserRestriction(who, UserManager.DISALLOW_UNMUTE_DEVICE, on); 8832 } 8833 } 8834 8835 @Override 8836 public boolean isMasterVolumeMuted(ComponentName who) { 8837 Preconditions.checkNotNull(who, "ComponentName is null"); 8838 synchronized (this) { 8839 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8840 8841 AudioManager audioManager = 8842 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 8843 return audioManager.isMasterMute(); 8844 } 8845 } 8846 8847 @Override 8848 public void setUserIcon(ComponentName who, Bitmap icon) { 8849 synchronized (this) { 8850 Preconditions.checkNotNull(who, "ComponentName is null"); 8851 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8852 8853 int userId = UserHandle.getCallingUserId(); 8854 long id = mInjector.binderClearCallingIdentity(); 8855 try { 8856 mUserManagerInternal.setUserIcon(userId, icon); 8857 } finally { 8858 mInjector.binderRestoreCallingIdentity(id); 8859 } 8860 } 8861 } 8862 8863 @Override 8864 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 8865 Preconditions.checkNotNull(who, "ComponentName is null"); 8866 synchronized (this) { 8867 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8868 } 8869 final int userId = UserHandle.getCallingUserId(); 8870 8871 long ident = mInjector.binderClearCallingIdentity(); 8872 try { 8873 // disallow disabling the keyguard if a password is currently set 8874 if (disabled && mLockPatternUtils.isSecure(userId)) { 8875 return false; 8876 } 8877 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 8878 } finally { 8879 mInjector.binderRestoreCallingIdentity(ident); 8880 } 8881 return true; 8882 } 8883 8884 @Override 8885 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 8886 int userId = UserHandle.getCallingUserId(); 8887 synchronized (this) { 8888 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8889 DevicePolicyData policy = getUserData(userId); 8890 if (policy.mStatusBarDisabled != disabled) { 8891 if (!setStatusBarDisabledInternal(disabled, userId)) { 8892 return false; 8893 } 8894 policy.mStatusBarDisabled = disabled; 8895 saveSettingsLocked(userId); 8896 } 8897 } 8898 return true; 8899 } 8900 8901 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 8902 long ident = mInjector.binderClearCallingIdentity(); 8903 try { 8904 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 8905 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 8906 if (statusBarService != null) { 8907 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 8908 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 8909 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 8910 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 8911 return true; 8912 } 8913 } catch (RemoteException e) { 8914 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 8915 } finally { 8916 mInjector.binderRestoreCallingIdentity(ident); 8917 } 8918 return false; 8919 } 8920 8921 /** 8922 * We need to update the internal state of whether a user has completed setup or a 8923 * device has paired once. After that, we ignore any changes that reset the 8924 * Settings.Secure.USER_SETUP_COMPLETE or Settings.Secure.DEVICE_PAIRED change 8925 * as we don't trust any apps that might try to reset them. 8926 * <p> 8927 * Unfortunately, we don't know which user's setup state was changed, so we write all of 8928 * them. 8929 */ 8930 void updateUserSetupCompleteAndPaired() { 8931 List<UserInfo> users = mUserManager.getUsers(true); 8932 final int N = users.size(); 8933 for (int i = 0; i < N; i++) { 8934 int userHandle = users.get(i).id; 8935 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 8936 userHandle) != 0) { 8937 DevicePolicyData policy = getUserData(userHandle); 8938 if (!policy.mUserSetupComplete) { 8939 policy.mUserSetupComplete = true; 8940 synchronized (this) { 8941 saveSettingsLocked(userHandle); 8942 } 8943 } 8944 } 8945 if (mIsWatch && mInjector.settingsSecureGetIntForUser(Settings.Secure.DEVICE_PAIRED, 0, 8946 userHandle) != 0) { 8947 DevicePolicyData policy = getUserData(userHandle); 8948 if (!policy.mPaired) { 8949 policy.mPaired = true; 8950 synchronized (this) { 8951 saveSettingsLocked(userHandle); 8952 } 8953 } 8954 } 8955 } 8956 } 8957 8958 private class SetupContentObserver extends ContentObserver { 8959 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 8960 Settings.Secure.USER_SETUP_COMPLETE); 8961 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 8962 Settings.Global.DEVICE_PROVISIONED); 8963 private final Uri mPaired = Settings.Secure.getUriFor(Settings.Secure.DEVICE_PAIRED); 8964 private final Uri mDefaultImeChanged = Settings.Secure.getUriFor( 8965 Settings.Secure.DEFAULT_INPUT_METHOD); 8966 8967 @GuardedBy("DevicePolicyManagerService.this") 8968 private Set<Integer> mUserIdsWithPendingChangesByOwner = new ArraySet<>(); 8969 8970 public SetupContentObserver(Handler handler) { 8971 super(handler); 8972 } 8973 8974 void register() { 8975 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 8976 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 8977 if (mIsWatch) { 8978 mInjector.registerContentObserver(mPaired, false, this, UserHandle.USER_ALL); 8979 } 8980 mInjector.registerContentObserver(mDefaultImeChanged, false, this, UserHandle.USER_ALL); 8981 } 8982 8983 private void addPendingChangeByOwnerLocked(int userId) { 8984 mUserIdsWithPendingChangesByOwner.add(userId); 8985 } 8986 8987 @Override 8988 public void onChange(boolean selfChange, Uri uri, int userId) { 8989 if (mUserSetupComplete.equals(uri) || (mIsWatch && mPaired.equals(uri))) { 8990 updateUserSetupCompleteAndPaired(); 8991 } else if (mDeviceProvisioned.equals(uri)) { 8992 synchronized (DevicePolicyManagerService.this) { 8993 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 8994 // is delayed until device is marked as provisioned. 8995 setDeviceOwnerSystemPropertyLocked(); 8996 } 8997 } else if (mDefaultImeChanged.equals(uri)) { 8998 synchronized (DevicePolicyManagerService.this) { 8999 if (mUserIdsWithPendingChangesByOwner.contains(userId)) { 9000 // This change notification was triggered by the owner changing the default 9001 // IME. Ignore it. 9002 mUserIdsWithPendingChangesByOwner.remove(userId); 9003 } else { 9004 // This change notification was triggered by the user manually changing the 9005 // default IME. 9006 getUserData(userId).mDefaultInputMethodSet = false; 9007 saveSettingsLocked(userId); 9008 } 9009 } 9010 } 9011 } 9012 } 9013 9014 @VisibleForTesting 9015 final class LocalService extends DevicePolicyManagerInternal { 9016 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 9017 9018 @Override 9019 public List<String> getCrossProfileWidgetProviders(int profileId) { 9020 synchronized (DevicePolicyManagerService.this) { 9021 if (mOwners == null) { 9022 return Collections.emptyList(); 9023 } 9024 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 9025 if (ownerComponent == null) { 9026 return Collections.emptyList(); 9027 } 9028 9029 DevicePolicyData policy = getUserDataUnchecked(profileId); 9030 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 9031 9032 if (admin == null || admin.crossProfileWidgetProviders == null 9033 || admin.crossProfileWidgetProviders.isEmpty()) { 9034 return Collections.emptyList(); 9035 } 9036 9037 return admin.crossProfileWidgetProviders; 9038 } 9039 } 9040 9041 @Override 9042 public void addOnCrossProfileWidgetProvidersChangeListener( 9043 OnCrossProfileWidgetProvidersChangeListener listener) { 9044 synchronized (DevicePolicyManagerService.this) { 9045 if (mWidgetProviderListeners == null) { 9046 mWidgetProviderListeners = new ArrayList<>(); 9047 } 9048 if (!mWidgetProviderListeners.contains(listener)) { 9049 mWidgetProviderListeners.add(listener); 9050 } 9051 } 9052 } 9053 9054 @Override 9055 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 9056 synchronized(DevicePolicyManagerService.this) { 9057 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 9058 } 9059 } 9060 9061 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 9062 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 9063 synchronized (DevicePolicyManagerService.this) { 9064 listeners = new ArrayList<>(mWidgetProviderListeners); 9065 } 9066 final int listenerCount = listeners.size(); 9067 for (int i = 0; i < listenerCount; i++) { 9068 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 9069 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 9070 } 9071 } 9072 9073 @Override 9074 public Intent createShowAdminSupportIntent(int userId, boolean useDefaultIfNoAdmin) { 9075 // This method is called from AM with its lock held, so don't take the DPMS lock. 9076 // b/29242568 9077 9078 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 9079 if (profileOwner != null) { 9080 return DevicePolicyManagerService.this 9081 .createShowAdminSupportIntent(profileOwner, userId); 9082 } 9083 9084 final Pair<Integer, ComponentName> deviceOwner = 9085 mOwners.getDeviceOwnerUserIdAndComponent(); 9086 if (deviceOwner != null && deviceOwner.first == userId) { 9087 return DevicePolicyManagerService.this 9088 .createShowAdminSupportIntent(deviceOwner.second, userId); 9089 } 9090 9091 // We're not specifying the device admin because there isn't one. 9092 if (useDefaultIfNoAdmin) { 9093 return DevicePolicyManagerService.this.createShowAdminSupportIntent(null, userId); 9094 } 9095 return null; 9096 } 9097 9098 @Override 9099 public Intent createUserRestrictionSupportIntent(int userId, String userRestriction) { 9100 int source; 9101 long ident = mInjector.binderClearCallingIdentity(); 9102 try { 9103 source = mUserManager.getUserRestrictionSource(userRestriction, 9104 UserHandle.of(userId)); 9105 } finally { 9106 mInjector.binderRestoreCallingIdentity(ident); 9107 } 9108 if ((source & UserManager.RESTRICTION_SOURCE_SYSTEM) != 0) { 9109 /* 9110 * In this case, the user restriction is enforced by the system. 9111 * So we won't show an admin support intent, even if it is also 9112 * enforced by a profile/device owner. 9113 */ 9114 return null; 9115 } 9116 boolean enforcedByDo = (source & UserManager.RESTRICTION_SOURCE_DEVICE_OWNER) != 0; 9117 boolean enforcedByPo = (source & UserManager.RESTRICTION_SOURCE_PROFILE_OWNER) != 0; 9118 if (enforcedByDo && enforcedByPo) { 9119 // In this case, we'll show an admin support dialog that does not 9120 // specify the admin. 9121 return DevicePolicyManagerService.this.createShowAdminSupportIntent(null, userId); 9122 } else if (enforcedByPo) { 9123 final ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 9124 if (profileOwner != null) { 9125 return DevicePolicyManagerService.this 9126 .createShowAdminSupportIntent(profileOwner, userId); 9127 } 9128 // This could happen if another thread has changed the profile owner since we called 9129 // getUserRestrictionSource 9130 return null; 9131 } else if (enforcedByDo) { 9132 final Pair<Integer, ComponentName> deviceOwner 9133 = mOwners.getDeviceOwnerUserIdAndComponent(); 9134 if (deviceOwner != null) { 9135 return DevicePolicyManagerService.this 9136 .createShowAdminSupportIntent(deviceOwner.second, deviceOwner.first); 9137 } 9138 // This could happen if another thread has changed the device owner since we called 9139 // getUserRestrictionSource 9140 return null; 9141 } 9142 return null; 9143 } 9144 } 9145 9146 private Intent createShowAdminSupportIntent(ComponentName admin, int userId) { 9147 // This method is called with AMS lock held, so don't take DPMS lock 9148 final Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 9149 intent.putExtra(Intent.EXTRA_USER_ID, userId); 9150 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, admin); 9151 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 9152 return intent; 9153 } 9154 9155 @Override 9156 public Intent createAdminSupportIntent(String restriction) { 9157 Preconditions.checkNotNull(restriction); 9158 final int uid = mInjector.binderGetCallingUid(); 9159 final int userId = UserHandle.getUserId(uid); 9160 Intent intent = null; 9161 if (DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction) || 9162 DevicePolicyManager.POLICY_DISABLE_SCREEN_CAPTURE.equals(restriction)) { 9163 synchronized(this) { 9164 final DevicePolicyData policy = getUserData(userId); 9165 final int N = policy.mAdminList.size(); 9166 for (int i = 0; i < N; i++) { 9167 final ActiveAdmin admin = policy.mAdminList.get(i); 9168 if ((admin.disableCamera && 9169 DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction)) || 9170 (admin.disableScreenCapture && DevicePolicyManager 9171 .POLICY_DISABLE_SCREEN_CAPTURE.equals(restriction))) { 9172 intent = createShowAdminSupportIntent(admin.info.getComponent(), userId); 9173 break; 9174 } 9175 } 9176 // For the camera, a device owner on a different user can disable it globally, 9177 // so we need an additional check. 9178 if (intent == null 9179 && DevicePolicyManager.POLICY_DISABLE_CAMERA.equals(restriction)) { 9180 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 9181 if (admin != null && admin.disableCamera) { 9182 intent = createShowAdminSupportIntent(admin.info.getComponent(), 9183 mOwners.getDeviceOwnerUserId()); 9184 } 9185 } 9186 } 9187 } else { 9188 // if valid, |restriction| can only be a user restriction 9189 intent = mLocalService.createUserRestrictionSupportIntent(userId, restriction); 9190 } 9191 if (intent != null) { 9192 intent.putExtra(DevicePolicyManager.EXTRA_RESTRICTION, restriction); 9193 } 9194 return intent; 9195 } 9196 9197 /** 9198 * Returns true if specified admin is allowed to limit passwords and has a 9199 * {@code minimumPasswordMetrics.quality} of at least {@code minPasswordQuality} 9200 */ 9201 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 9202 if (admin.minimumPasswordMetrics.quality < minPasswordQuality) { 9203 return false; 9204 } 9205 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 9206 } 9207 9208 @Override 9209 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 9210 if (policy != null && !policy.isValid()) { 9211 throw new IllegalArgumentException("Invalid system update policy."); 9212 } 9213 synchronized (this) { 9214 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9215 if (policy == null) { 9216 mOwners.clearSystemUpdatePolicy(); 9217 } else { 9218 mOwners.setSystemUpdatePolicy(policy); 9219 } 9220 mOwners.writeDeviceOwner(); 9221 } 9222 mContext.sendBroadcastAsUser( 9223 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 9224 UserHandle.SYSTEM); 9225 } 9226 9227 @Override 9228 public SystemUpdatePolicy getSystemUpdatePolicy() { 9229 if (UserManager.isDeviceInDemoMode(mContext)) { 9230 // Pretending to have an automatic update policy when the device is in retail demo 9231 // mode. This will allow the device to download and install an ota without 9232 // any user interaction. 9233 return SystemUpdatePolicy.createAutomaticInstallPolicy(); 9234 } 9235 synchronized (this) { 9236 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 9237 if (policy != null && !policy.isValid()) { 9238 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 9239 return null; 9240 } 9241 return policy; 9242 } 9243 } 9244 9245 /** 9246 * Checks if the caller of the method is the device owner app. 9247 * 9248 * @param callerUid UID of the caller. 9249 * @return true if the caller is the device owner app 9250 */ 9251 @VisibleForTesting 9252 boolean isCallerDeviceOwner(int callerUid) { 9253 synchronized (this) { 9254 if (!mOwners.hasDeviceOwner()) { 9255 return false; 9256 } 9257 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 9258 return false; 9259 } 9260 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 9261 .getPackageName(); 9262 try { 9263 String[] pkgs = mInjector.getIPackageManager().getPackagesForUid(callerUid); 9264 for (String pkg : pkgs) { 9265 if (deviceOwnerPackageName.equals(pkg)) { 9266 return true; 9267 } 9268 } 9269 } catch (RemoteException e) { 9270 return false; 9271 } 9272 } 9273 9274 return false; 9275 } 9276 9277 @Override 9278 public void notifyPendingSystemUpdate(@Nullable SystemUpdateInfo info) { 9279 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 9280 "Only the system update service can broadcast update information"); 9281 9282 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 9283 Slog.w(LOG_TAG, "Only the system update service in the system user " + 9284 "can broadcast update information."); 9285 return; 9286 } 9287 9288 if (!mOwners.saveSystemUpdateInfo(info)) { 9289 // Pending system update hasn't changed, don't send duplicate notification. 9290 return; 9291 } 9292 9293 final Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE) 9294 .putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 9295 info == null ? -1 : info.getReceivedTime()); 9296 9297 final long ident = mInjector.binderClearCallingIdentity(); 9298 try { 9299 synchronized (this) { 9300 // Broadcast to device owner first if there is one. 9301 if (mOwners.hasDeviceOwner()) { 9302 final UserHandle deviceOwnerUser = 9303 UserHandle.of(mOwners.getDeviceOwnerUserId()); 9304 intent.setComponent(mOwners.getDeviceOwnerComponent()); 9305 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 9306 } 9307 } 9308 // Get running users. 9309 final int runningUserIds[]; 9310 try { 9311 runningUserIds = mInjector.getIActivityManager().getRunningUserIds(); 9312 } catch (RemoteException e) { 9313 // Shouldn't happen. 9314 Log.e(LOG_TAG, "Could not retrieve the list of running users", e); 9315 return; 9316 } 9317 // Send broadcasts to corresponding profile owners if any. 9318 for (final int userId : runningUserIds) { 9319 synchronized (this) { 9320 final ComponentName profileOwnerPackage = 9321 mOwners.getProfileOwnerComponent(userId); 9322 if (profileOwnerPackage != null) { 9323 intent.setComponent(profileOwnerPackage); 9324 mContext.sendBroadcastAsUser(intent, UserHandle.of(userId)); 9325 } 9326 } 9327 } 9328 } finally { 9329 mInjector.binderRestoreCallingIdentity(ident); 9330 } 9331 } 9332 9333 @Override 9334 public SystemUpdateInfo getPendingSystemUpdate(ComponentName admin) { 9335 Preconditions.checkNotNull(admin, "ComponentName is null"); 9336 enforceProfileOrDeviceOwner(admin); 9337 9338 return mOwners.getSystemUpdateInfo(); 9339 } 9340 9341 @Override 9342 public void setPermissionPolicy(ComponentName admin, String callerPackage, int policy) 9343 throws RemoteException { 9344 int userId = UserHandle.getCallingUserId(); 9345 synchronized (this) { 9346 // Ensure the caller is a DO/PO or a permission grant state delegate. 9347 enforceCanManageScope(admin, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 9348 DELEGATION_PERMISSION_GRANT); 9349 DevicePolicyData userPolicy = getUserData(userId); 9350 if (userPolicy.mPermissionPolicy != policy) { 9351 userPolicy.mPermissionPolicy = policy; 9352 saveSettingsLocked(userId); 9353 } 9354 } 9355 } 9356 9357 @Override 9358 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 9359 int userId = UserHandle.getCallingUserId(); 9360 synchronized (this) { 9361 DevicePolicyData userPolicy = getUserData(userId); 9362 return userPolicy.mPermissionPolicy; 9363 } 9364 } 9365 9366 @Override 9367 public boolean setPermissionGrantState(ComponentName admin, String callerPackage, 9368 String packageName, String permission, int grantState) throws RemoteException { 9369 UserHandle user = mInjector.binderGetCallingUserHandle(); 9370 synchronized (this) { 9371 // Ensure the caller is a DO/PO or a permission grant state delegate. 9372 enforceCanManageScope(admin, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 9373 DELEGATION_PERMISSION_GRANT); 9374 long ident = mInjector.binderClearCallingIdentity(); 9375 try { 9376 if (getTargetSdk(packageName, user.getIdentifier()) 9377 < android.os.Build.VERSION_CODES.M) { 9378 return false; 9379 } 9380 final PackageManager packageManager = mInjector.getPackageManager(); 9381 switch (grantState) { 9382 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 9383 mInjector.getPackageManagerInternal().grantRuntimePermission(packageName, 9384 permission, user.getIdentifier(), true /* override policy */); 9385 packageManager.updatePermissionFlags(permission, packageName, 9386 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 9387 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 9388 } break; 9389 9390 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 9391 mInjector.getPackageManagerInternal().revokeRuntimePermission(packageName, 9392 permission, user.getIdentifier(), true /* override policy */); 9393 packageManager.updatePermissionFlags(permission, packageName, 9394 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 9395 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 9396 } break; 9397 9398 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 9399 packageManager.updatePermissionFlags(permission, packageName, 9400 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 9401 } break; 9402 } 9403 return true; 9404 } catch (SecurityException se) { 9405 return false; 9406 } finally { 9407 mInjector.binderRestoreCallingIdentity(ident); 9408 } 9409 } 9410 } 9411 9412 @Override 9413 public int getPermissionGrantState(ComponentName admin, String callerPackage, 9414 String packageName, String permission) throws RemoteException { 9415 PackageManager packageManager = mInjector.getPackageManager(); 9416 9417 UserHandle user = mInjector.binderGetCallingUserHandle(); 9418 if (!isCallerWithSystemUid()) { 9419 // Ensure the caller is a DO/PO or a permission grant state delegate. 9420 enforceCanManageScope(admin, callerPackage, 9421 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, DELEGATION_PERMISSION_GRANT); 9422 } 9423 synchronized (this) { 9424 long ident = mInjector.binderClearCallingIdentity(); 9425 try { 9426 int granted = mIPackageManager.checkPermission(permission, 9427 packageName, user.getIdentifier()); 9428 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 9429 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 9430 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 9431 // Not controlled by policy 9432 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 9433 } else { 9434 // Policy controlled so return result based on permission grant state 9435 return granted == PackageManager.PERMISSION_GRANTED 9436 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 9437 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 9438 } 9439 } finally { 9440 mInjector.binderRestoreCallingIdentity(ident); 9441 } 9442 } 9443 } 9444 9445 boolean isPackageInstalledForUser(String packageName, int userHandle) { 9446 try { 9447 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 9448 userHandle); 9449 return (pi != null) && (pi.applicationInfo.flags != 0); 9450 } catch (RemoteException re) { 9451 throw new RuntimeException("Package manager has died", re); 9452 } 9453 } 9454 9455 @Override 9456 public boolean isProvisioningAllowed(String action, String packageName) { 9457 Preconditions.checkNotNull(packageName); 9458 9459 final int callingUid = mInjector.binderGetCallingUid(); 9460 final long ident = mInjector.binderClearCallingIdentity(); 9461 try { 9462 final int uidForPackage = mInjector.getPackageManager().getPackageUidAsUser( 9463 packageName, UserHandle.getUserId(callingUid)); 9464 Preconditions.checkArgument(callingUid == uidForPackage, 9465 "Caller uid doesn't match the one for the provided package."); 9466 } catch (NameNotFoundException e) { 9467 throw new IllegalArgumentException("Invalid package provided " + packageName, e); 9468 } finally { 9469 mInjector.binderRestoreCallingIdentity(ident); 9470 } 9471 9472 return checkProvisioningPreConditionSkipPermission(action, packageName) == CODE_OK; 9473 } 9474 9475 @Override 9476 public int checkProvisioningPreCondition(String action, String packageName) { 9477 Preconditions.checkNotNull(packageName); 9478 enforceCanManageProfileAndDeviceOwners(); 9479 return checkProvisioningPreConditionSkipPermission(action, packageName); 9480 } 9481 9482 private int checkProvisioningPreConditionSkipPermission(String action, String packageName) { 9483 if (!mHasFeature) { 9484 return CODE_DEVICE_ADMIN_NOT_SUPPORTED; 9485 } 9486 9487 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9488 if (action != null) { 9489 switch (action) { 9490 case DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE: 9491 return checkManagedProfileProvisioningPreCondition(packageName, callingUserId); 9492 case DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE: 9493 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9494 case DevicePolicyManager.ACTION_PROVISION_MANAGED_USER: 9495 return checkManagedUserProvisioningPreCondition(callingUserId); 9496 case DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE: 9497 return checkManagedShareableDeviceProvisioningPreCondition(callingUserId); 9498 } 9499 } 9500 throw new IllegalArgumentException("Unknown provisioning action " + action); 9501 } 9502 9503 /** 9504 * The device owner can only be set before the setup phase of the primary user has completed, 9505 * except for adb command if no accounts or additional users are present on the device. 9506 */ 9507 private int checkDeviceOwnerProvisioningPreConditionLocked(@Nullable ComponentName owner, 9508 int deviceOwnerUserId, boolean isAdb, boolean hasIncompatibleAccountsOrNonAdb) { 9509 if (mOwners.hasDeviceOwner()) { 9510 return CODE_HAS_DEVICE_OWNER; 9511 } 9512 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 9513 return CODE_USER_HAS_PROFILE_OWNER; 9514 } 9515 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 9516 return CODE_USER_NOT_RUNNING; 9517 } 9518 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9519 return CODE_HAS_PAIRED; 9520 } 9521 if (isAdb) { 9522 // if shell command runs after user setup completed check device status. Otherwise, OK. 9523 if (mIsWatch || hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9524 if (!mInjector.userManagerIsSplitSystemUser()) { 9525 if (mUserManager.getUserCount() > 1) { 9526 return CODE_NONSYSTEM_USER_EXISTS; 9527 } 9528 if (hasIncompatibleAccountsOrNonAdb) { 9529 return CODE_ACCOUNTS_NOT_EMPTY; 9530 } 9531 } else { 9532 // STOPSHIP Do proper check in split user mode 9533 } 9534 } 9535 return CODE_OK; 9536 } else { 9537 if (!mInjector.userManagerIsSplitSystemUser()) { 9538 // In non-split user mode, DO has to be user 0 9539 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 9540 return CODE_NOT_SYSTEM_USER; 9541 } 9542 // In non-split user mode, only provision DO before setup wizard completes 9543 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9544 return CODE_USER_SETUP_COMPLETED; 9545 } 9546 } else { 9547 // STOPSHIP Do proper check in split user mode 9548 } 9549 return CODE_OK; 9550 } 9551 } 9552 9553 private int checkDeviceOwnerProvisioningPreCondition(int deviceOwnerUserId) { 9554 synchronized (this) { 9555 // hasIncompatibleAccountsOrNonAdb doesn't matter since the caller is not adb. 9556 return checkDeviceOwnerProvisioningPreConditionLocked(/* owner unknown */ null, 9557 deviceOwnerUserId, /* isAdb= */ false, 9558 /* hasIncompatibleAccountsOrNonAdb=*/ true); 9559 } 9560 } 9561 9562 private int checkManagedProfileProvisioningPreCondition(String packageName, int callingUserId) { 9563 if (!hasFeatureManagedUsers()) { 9564 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9565 } 9566 if (callingUserId == UserHandle.USER_SYSTEM 9567 && mInjector.userManagerIsSplitSystemUser()) { 9568 // Managed-profiles cannot be setup on the system user. 9569 return CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 9570 } 9571 if (getProfileOwner(callingUserId) != null) { 9572 // Managed user cannot have a managed profile. 9573 return CODE_USER_HAS_PROFILE_OWNER; 9574 } 9575 9576 final long ident = mInjector.binderClearCallingIdentity(); 9577 try { 9578 final UserHandle callingUserHandle = UserHandle.of(callingUserId); 9579 final ComponentName ownerAdmin = getOwnerComponent(packageName, callingUserId); 9580 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_MANAGED_PROFILE, 9581 callingUserHandle)) { 9582 // An admin can initiate provisioning if it has set the restriction. 9583 if (ownerAdmin == null || isAdminAffectedByRestriction(ownerAdmin, 9584 UserManager.DISALLOW_ADD_MANAGED_PROFILE, callingUserId)) { 9585 return CODE_ADD_MANAGED_PROFILE_DISALLOWED; 9586 } 9587 } 9588 boolean canRemoveProfile = true; 9589 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, 9590 callingUserHandle)) { 9591 // We can remove a profile if the admin itself has set the restriction. 9592 if (ownerAdmin == null || isAdminAffectedByRestriction(ownerAdmin, 9593 UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, 9594 callingUserId)) { 9595 canRemoveProfile = false; 9596 } 9597 } 9598 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, canRemoveProfile)) { 9599 return CODE_CANNOT_ADD_MANAGED_PROFILE; 9600 } 9601 } finally { 9602 mInjector.binderRestoreCallingIdentity(ident); 9603 } 9604 return CODE_OK; 9605 } 9606 9607 private ComponentName getOwnerComponent(String packageName, int userId) { 9608 if (isDeviceOwnerPackage(packageName, userId)) { 9609 return mOwners.getDeviceOwnerComponent(); 9610 } 9611 if (isProfileOwnerPackage(packageName, userId)) { 9612 return mOwners.getProfileOwnerComponent(userId); 9613 } 9614 return null; 9615 } 9616 9617 private int checkManagedUserProvisioningPreCondition(int callingUserId) { 9618 if (!hasFeatureManagedUsers()) { 9619 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9620 } 9621 if (!mInjector.userManagerIsSplitSystemUser()) { 9622 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 9623 return CODE_NOT_SYSTEM_USER_SPLIT; 9624 } 9625 if (callingUserId == UserHandle.USER_SYSTEM) { 9626 // System user cannot be a managed user. 9627 return CODE_SYSTEM_USER; 9628 } 9629 if (hasUserSetupCompleted(callingUserId)) { 9630 return CODE_USER_SETUP_COMPLETED; 9631 } 9632 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9633 return CODE_HAS_PAIRED; 9634 } 9635 return CODE_OK; 9636 } 9637 9638 private int checkManagedShareableDeviceProvisioningPreCondition(int callingUserId) { 9639 if (!mInjector.userManagerIsSplitSystemUser()) { 9640 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 9641 return CODE_NOT_SYSTEM_USER_SPLIT; 9642 } 9643 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9644 } 9645 9646 private boolean hasFeatureManagedUsers() { 9647 try { 9648 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 9649 } catch (RemoteException e) { 9650 return false; 9651 } 9652 } 9653 9654 @Override 9655 public String getWifiMacAddress(ComponentName admin) { 9656 // Make sure caller has DO. 9657 synchronized (this) { 9658 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9659 } 9660 9661 final long ident = mInjector.binderClearCallingIdentity(); 9662 try { 9663 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 9664 if (wifiInfo == null) { 9665 return null; 9666 } 9667 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 9668 } finally { 9669 mInjector.binderRestoreCallingIdentity(ident); 9670 } 9671 } 9672 9673 /** 9674 * Returns the target sdk version number that the given packageName was built for 9675 * in the given user. 9676 */ 9677 private int getTargetSdk(String packageName, int userId) { 9678 final ApplicationInfo ai; 9679 try { 9680 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 9681 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 9682 return targetSdkVersion; 9683 } catch (RemoteException e) { 9684 // Shouldn't happen 9685 return 0; 9686 } 9687 } 9688 9689 @Override 9690 public boolean isManagedProfile(ComponentName admin) { 9691 enforceProfileOrDeviceOwner(admin); 9692 return isManagedProfile(mInjector.userHandleGetCallingUserId()); 9693 } 9694 9695 @Override 9696 public boolean isSystemOnlyUser(ComponentName admin) { 9697 synchronized (this) { 9698 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9699 } 9700 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9701 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 9702 } 9703 9704 @Override 9705 public void reboot(ComponentName admin) { 9706 Preconditions.checkNotNull(admin); 9707 // Make sure caller has DO. 9708 synchronized (this) { 9709 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9710 } 9711 long ident = mInjector.binderClearCallingIdentity(); 9712 try { 9713 // Make sure there are no ongoing calls on the device. 9714 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 9715 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 9716 } 9717 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 9718 } finally { 9719 mInjector.binderRestoreCallingIdentity(ident); 9720 } 9721 } 9722 9723 @Override 9724 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 9725 if (!mHasFeature) { 9726 return; 9727 } 9728 Preconditions.checkNotNull(who, "ComponentName is null"); 9729 final int userHandle = mInjector.userHandleGetCallingUserId(); 9730 synchronized (this) { 9731 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9732 mInjector.binderGetCallingUid()); 9733 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 9734 admin.shortSupportMessage = message; 9735 saveSettingsLocked(userHandle); 9736 } 9737 } 9738 } 9739 9740 @Override 9741 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 9742 if (!mHasFeature) { 9743 return null; 9744 } 9745 Preconditions.checkNotNull(who, "ComponentName is null"); 9746 synchronized (this) { 9747 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9748 mInjector.binderGetCallingUid()); 9749 return admin.shortSupportMessage; 9750 } 9751 } 9752 9753 @Override 9754 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 9755 if (!mHasFeature) { 9756 return; 9757 } 9758 Preconditions.checkNotNull(who, "ComponentName is null"); 9759 final int userHandle = mInjector.userHandleGetCallingUserId(); 9760 synchronized (this) { 9761 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9762 mInjector.binderGetCallingUid()); 9763 if (!TextUtils.equals(admin.longSupportMessage, message)) { 9764 admin.longSupportMessage = message; 9765 saveSettingsLocked(userHandle); 9766 } 9767 } 9768 } 9769 9770 @Override 9771 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 9772 if (!mHasFeature) { 9773 return null; 9774 } 9775 Preconditions.checkNotNull(who, "ComponentName is null"); 9776 synchronized (this) { 9777 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9778 mInjector.binderGetCallingUid()); 9779 return admin.longSupportMessage; 9780 } 9781 } 9782 9783 @Override 9784 public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9785 if (!mHasFeature) { 9786 return null; 9787 } 9788 Preconditions.checkNotNull(who, "ComponentName is null"); 9789 if (!isCallerWithSystemUid()) { 9790 throw new SecurityException("Only the system can query support message for user"); 9791 } 9792 synchronized (this) { 9793 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9794 if (admin != null) { 9795 return admin.shortSupportMessage; 9796 } 9797 } 9798 return null; 9799 } 9800 9801 @Override 9802 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9803 if (!mHasFeature) { 9804 return null; 9805 } 9806 Preconditions.checkNotNull(who, "ComponentName is null"); 9807 if (!isCallerWithSystemUid()) { 9808 throw new SecurityException("Only the system can query support message for user"); 9809 } 9810 synchronized (this) { 9811 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9812 if (admin != null) { 9813 return admin.longSupportMessage; 9814 } 9815 } 9816 return null; 9817 } 9818 9819 @Override 9820 public void setOrganizationColor(@NonNull ComponentName who, int color) { 9821 if (!mHasFeature) { 9822 return; 9823 } 9824 Preconditions.checkNotNull(who, "ComponentName is null"); 9825 final int userHandle = mInjector.userHandleGetCallingUserId(); 9826 enforceManagedProfile(userHandle, "set organization color"); 9827 synchronized (this) { 9828 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9829 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9830 admin.organizationColor = color; 9831 saveSettingsLocked(userHandle); 9832 } 9833 } 9834 9835 @Override 9836 public void setOrganizationColorForUser(int color, int userId) { 9837 if (!mHasFeature) { 9838 return; 9839 } 9840 enforceFullCrossUsersPermission(userId); 9841 enforceManageUsers(); 9842 enforceManagedProfile(userId, "set organization color"); 9843 synchronized (this) { 9844 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 9845 admin.organizationColor = color; 9846 saveSettingsLocked(userId); 9847 } 9848 } 9849 9850 @Override 9851 public int getOrganizationColor(@NonNull ComponentName who) { 9852 if (!mHasFeature) { 9853 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 9854 } 9855 Preconditions.checkNotNull(who, "ComponentName is null"); 9856 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 9857 synchronized (this) { 9858 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9859 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9860 return admin.organizationColor; 9861 } 9862 } 9863 9864 @Override 9865 public int getOrganizationColorForUser(int userHandle) { 9866 if (!mHasFeature) { 9867 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 9868 } 9869 enforceFullCrossUsersPermission(userHandle); 9870 enforceManagedProfile(userHandle, "get organization color"); 9871 synchronized (this) { 9872 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 9873 return (profileOwner != null) 9874 ? profileOwner.organizationColor 9875 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 9876 } 9877 } 9878 9879 @Override 9880 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 9881 if (!mHasFeature) { 9882 return; 9883 } 9884 Preconditions.checkNotNull(who, "ComponentName is null"); 9885 final int userHandle = mInjector.userHandleGetCallingUserId(); 9886 9887 synchronized (this) { 9888 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9889 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9890 if (!TextUtils.equals(admin.organizationName, text)) { 9891 admin.organizationName = (text == null || text.length() == 0) 9892 ? null : text.toString(); 9893 saveSettingsLocked(userHandle); 9894 } 9895 } 9896 } 9897 9898 @Override 9899 public CharSequence getOrganizationName(@NonNull ComponentName who) { 9900 if (!mHasFeature) { 9901 return null; 9902 } 9903 Preconditions.checkNotNull(who, "ComponentName is null"); 9904 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 9905 synchronized(this) { 9906 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9907 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9908 return admin.organizationName; 9909 } 9910 } 9911 9912 @Override 9913 public CharSequence getDeviceOwnerOrganizationName() { 9914 if (!mHasFeature) { 9915 return null; 9916 } 9917 enforceDeviceOwnerOrManageUsers(); 9918 synchronized(this) { 9919 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 9920 return deviceOwnerAdmin == null ? null : deviceOwnerAdmin.organizationName; 9921 } 9922 } 9923 9924 @Override 9925 public CharSequence getOrganizationNameForUser(int userHandle) { 9926 if (!mHasFeature) { 9927 return null; 9928 } 9929 enforceFullCrossUsersPermission(userHandle); 9930 enforceManagedProfile(userHandle, "get organization name"); 9931 synchronized (this) { 9932 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 9933 return (profileOwner != null) 9934 ? profileOwner.organizationName 9935 : null; 9936 } 9937 } 9938 9939 @Override 9940 public void setAffiliationIds(ComponentName admin, List<String> ids) { 9941 if (!mHasFeature) { 9942 return; 9943 } 9944 9945 Preconditions.checkNotNull(admin); 9946 Preconditions.checkCollectionElementsNotNull(ids, "ids"); 9947 9948 final Set<String> affiliationIds = new ArraySet<String>(ids); 9949 Preconditions.checkArgument( 9950 !affiliationIds.contains(""), "ids must not contain empty strings"); 9951 9952 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9953 synchronized (this) { 9954 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9955 getUserData(callingUserId).mAffiliationIds = affiliationIds; 9956 saveSettingsLocked(callingUserId); 9957 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 9958 // Affiliation ids specified by the device owner are additionally stored in 9959 // UserHandle.USER_SYSTEM's DevicePolicyData. 9960 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 9961 saveSettingsLocked(UserHandle.USER_SYSTEM); 9962 } 9963 9964 // Affiliation status for any user, not just the calling user, might have changed. 9965 // The device owner user will still be affiliated after changing its affiliation ids, 9966 // but as a result of that other users might become affiliated or un-affiliated. 9967 maybePauseDeviceWideLoggingLocked(); 9968 maybeResumeDeviceWideLoggingLocked(); 9969 maybeClearLockTaskPackagesLocked(); 9970 } 9971 } 9972 9973 @Override 9974 public List<String> getAffiliationIds(ComponentName admin) { 9975 if (!mHasFeature) { 9976 return Collections.emptyList(); 9977 } 9978 9979 Preconditions.checkNotNull(admin); 9980 synchronized (this) { 9981 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9982 return new ArrayList<String>( 9983 getUserData(mInjector.userHandleGetCallingUserId()).mAffiliationIds); 9984 } 9985 } 9986 9987 @Override 9988 public boolean isAffiliatedUser() { 9989 if (!mHasFeature) { 9990 return false; 9991 } 9992 9993 synchronized (this) { 9994 return isUserAffiliatedWithDeviceLocked(mInjector.userHandleGetCallingUserId()); 9995 } 9996 } 9997 9998 private boolean isUserAffiliatedWithDeviceLocked(int userId) { 9999 if (!mOwners.hasDeviceOwner()) { 10000 return false; 10001 } 10002 if (userId == mOwners.getDeviceOwnerUserId()) { 10003 // The user that the DO is installed on is always affiliated with the device. 10004 return true; 10005 } 10006 if (userId == UserHandle.USER_SYSTEM) { 10007 // The system user is always affiliated in a DO device, even if the DO is set on a 10008 // different user. This could be the case if the DO is set in the primary user 10009 // of a split user device. 10010 return true; 10011 } 10012 final ComponentName profileOwner = getProfileOwner(userId); 10013 if (profileOwner == null) { 10014 return false; 10015 } 10016 final Set<String> userAffiliationIds = getUserData(userId).mAffiliationIds; 10017 final Set<String> deviceAffiliationIds = 10018 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 10019 for (String id : userAffiliationIds) { 10020 if (deviceAffiliationIds.contains(id)) { 10021 return true; 10022 } 10023 } 10024 return false; 10025 } 10026 10027 private boolean areAllUsersAffiliatedWithDeviceLocked() { 10028 final long ident = mInjector.binderClearCallingIdentity(); 10029 try { 10030 final List<UserInfo> userInfos = mUserManager.getUsers(/*excludeDying=*/ true); 10031 for (int i = 0; i < userInfos.size(); i++) { 10032 int userId = userInfos.get(i).id; 10033 if (!isUserAffiliatedWithDeviceLocked(userId)) { 10034 Slog.d(LOG_TAG, "User id " + userId + " not affiliated."); 10035 return false; 10036 } 10037 } 10038 } finally { 10039 mInjector.binderRestoreCallingIdentity(ident); 10040 } 10041 10042 return true; 10043 } 10044 10045 @Override 10046 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 10047 if (!mHasFeature) { 10048 return; 10049 } 10050 Preconditions.checkNotNull(admin); 10051 10052 synchronized (this) { 10053 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10054 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 10055 return; 10056 } 10057 mInjector.securityLogSetLoggingEnabledProperty(enabled); 10058 if (enabled) { 10059 mSecurityLogMonitor.start(); 10060 maybePauseDeviceWideLoggingLocked(); 10061 } else { 10062 mSecurityLogMonitor.stop(); 10063 } 10064 } 10065 } 10066 10067 @Override 10068 public boolean isSecurityLoggingEnabled(ComponentName admin) { 10069 if (!mHasFeature) { 10070 return false; 10071 } 10072 10073 Preconditions.checkNotNull(admin); 10074 synchronized (this) { 10075 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10076 return mInjector.securityLogGetLoggingEnabledProperty(); 10077 } 10078 } 10079 10080 private synchronized void recordSecurityLogRetrievalTime() { 10081 final long currentTime = System.currentTimeMillis(); 10082 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 10083 if (currentTime > policyData.mLastSecurityLogRetrievalTime) { 10084 policyData.mLastSecurityLogRetrievalTime = currentTime; 10085 saveSettingsLocked(UserHandle.USER_SYSTEM); 10086 } 10087 } 10088 10089 @Override 10090 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 10091 if (!mHasFeature) { 10092 return null; 10093 } 10094 10095 Preconditions.checkNotNull(admin); 10096 ensureDeviceOwnerAndAllUsersAffiliated(admin); 10097 10098 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs) 10099 || !mInjector.securityLogGetLoggingEnabledProperty()) { 10100 return null; 10101 } 10102 10103 recordSecurityLogRetrievalTime(); 10104 10105 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 10106 try { 10107 SecurityLog.readPreviousEvents(output); 10108 return new ParceledListSlice<SecurityEvent>(output); 10109 } catch (IOException e) { 10110 Slog.w(LOG_TAG, "Fail to read previous events" , e); 10111 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 10112 } 10113 } 10114 10115 @Override 10116 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 10117 if (!mHasFeature) { 10118 return null; 10119 } 10120 10121 Preconditions.checkNotNull(admin); 10122 ensureDeviceOwnerAndAllUsersAffiliated(admin); 10123 10124 if (!mInjector.securityLogGetLoggingEnabledProperty()) { 10125 return null; 10126 } 10127 10128 recordSecurityLogRetrievalTime(); 10129 10130 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 10131 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 10132 } 10133 10134 private void enforceCanManageDeviceAdmin() { 10135 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 10136 null); 10137 } 10138 10139 private void enforceCanManageProfileAndDeviceOwners() { 10140 mContext.enforceCallingOrSelfPermission( 10141 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 10142 } 10143 10144 private void enforceCallerSystemUserHandle() { 10145 final int callingUid = mInjector.binderGetCallingUid(); 10146 final int userId = UserHandle.getUserId(callingUid); 10147 if (userId != UserHandle.USER_SYSTEM) { 10148 throw new SecurityException("Caller has to be in user 0"); 10149 } 10150 } 10151 10152 @Override 10153 public boolean isUninstallInQueue(final String packageName) { 10154 enforceCanManageDeviceAdmin(); 10155 final int userId = mInjector.userHandleGetCallingUserId(); 10156 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10157 synchronized (this) { 10158 return mPackagesToRemove.contains(packageUserPair); 10159 } 10160 } 10161 10162 @Override 10163 public void uninstallPackageWithActiveAdmins(final String packageName) { 10164 enforceCanManageDeviceAdmin(); 10165 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 10166 10167 final int userId = mInjector.userHandleGetCallingUserId(); 10168 10169 enforceUserUnlocked(userId); 10170 10171 final ComponentName profileOwner = getProfileOwner(userId); 10172 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 10173 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 10174 } 10175 10176 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 10177 if (getDeviceOwnerUserId() == userId && deviceOwner != null 10178 && packageName.equals(deviceOwner.getPackageName())) { 10179 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 10180 } 10181 10182 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10183 synchronized (this) { 10184 mPackagesToRemove.add(packageUserPair); 10185 } 10186 10187 // All active admins on the user. 10188 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 10189 10190 // Active admins in the target package. 10191 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 10192 if (allActiveAdmins != null) { 10193 for (ComponentName activeAdmin : allActiveAdmins) { 10194 if (packageName.equals(activeAdmin.getPackageName())) { 10195 packageActiveAdmins.add(activeAdmin); 10196 removeActiveAdmin(activeAdmin, userId); 10197 } 10198 } 10199 } 10200 if (packageActiveAdmins.size() == 0) { 10201 startUninstallIntent(packageName, userId); 10202 } else { 10203 mHandler.postDelayed(new Runnable() { 10204 @Override 10205 public void run() { 10206 for (ComponentName activeAdmin : packageActiveAdmins) { 10207 removeAdminArtifacts(activeAdmin, userId); 10208 } 10209 startUninstallIntent(packageName, userId); 10210 } 10211 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 10212 } 10213 } 10214 10215 @Override 10216 public boolean isDeviceProvisioned() { 10217 synchronized (this) { 10218 return getUserDataUnchecked(UserHandle.USER_SYSTEM).mUserSetupComplete; 10219 } 10220 } 10221 10222 private void removePackageIfRequired(final String packageName, final int userId) { 10223 if (!packageHasActiveAdmins(packageName, userId)) { 10224 // Will not do anything if uninstall was not requested or was already started. 10225 startUninstallIntent(packageName, userId); 10226 } 10227 } 10228 10229 private void startUninstallIntent(final String packageName, final int userId) { 10230 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10231 synchronized (this) { 10232 if (!mPackagesToRemove.contains(packageUserPair)) { 10233 // Do nothing if uninstall was not requested or was already started. 10234 return; 10235 } 10236 mPackagesToRemove.remove(packageUserPair); 10237 } 10238 try { 10239 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 10240 // Package does not exist. Nothing to do. 10241 return; 10242 } 10243 } catch (RemoteException re) { 10244 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 10245 } 10246 10247 try { // force stop the package before uninstalling 10248 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 10249 } catch (RemoteException re) { 10250 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 10251 } 10252 final Uri packageURI = Uri.parse("package:" + packageName); 10253 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 10254 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 10255 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 10256 } 10257 10258 /** 10259 * Removes the admin from the policy. Ideally called after the admin's 10260 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 10261 * 10262 * @param adminReceiver The admin to remove 10263 * @param userHandle The user for which this admin has to be removed. 10264 */ 10265 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 10266 synchronized (this) { 10267 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 10268 if (admin == null) { 10269 return; 10270 } 10271 final DevicePolicyData policy = getUserData(userHandle); 10272 final boolean doProxyCleanup = admin.info.usesPolicy( 10273 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 10274 policy.mAdminList.remove(admin); 10275 policy.mAdminMap.remove(adminReceiver); 10276 validatePasswordOwnerLocked(policy); 10277 if (doProxyCleanup) { 10278 resetGlobalProxyLocked(policy); 10279 } 10280 saveSettingsLocked(userHandle); 10281 updateMaximumTimeToLockLocked(userHandle); 10282 policy.mRemovingAdmins.remove(adminReceiver); 10283 10284 Slog.i(LOG_TAG, "Device admin " + adminReceiver + " removed from user " + userHandle); 10285 } 10286 // The removed admin might have disabled camera, so update user 10287 // restrictions. 10288 pushUserRestrictions(userHandle); 10289 } 10290 10291 @Override 10292 public void setDeviceProvisioningConfigApplied() { 10293 enforceManageUsers(); 10294 synchronized (this) { 10295 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 10296 policy.mDeviceProvisioningConfigApplied = true; 10297 saveSettingsLocked(UserHandle.USER_SYSTEM); 10298 } 10299 } 10300 10301 @Override 10302 public boolean isDeviceProvisioningConfigApplied() { 10303 enforceManageUsers(); 10304 synchronized (this) { 10305 final DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 10306 return policy.mDeviceProvisioningConfigApplied; 10307 } 10308 } 10309 10310 /** 10311 * Force update internal persistent state from Settings.Secure.USER_SETUP_COMPLETE. 10312 * 10313 * It's added for testing only. Please use this API carefully if it's used by other system app 10314 * and bare in mind Settings.Secure.USER_SETUP_COMPLETE can be modified by user and other system 10315 * apps. 10316 */ 10317 @Override 10318 public void forceUpdateUserSetupComplete() { 10319 enforceCanManageProfileAndDeviceOwners(); 10320 enforceCallerSystemUserHandle(); 10321 // no effect if it's called from user build 10322 if (!mInjector.isBuildDebuggable()) { 10323 return; 10324 } 10325 final int userId = UserHandle.USER_SYSTEM; 10326 boolean isUserCompleted = mInjector.settingsSecureGetIntForUser( 10327 Settings.Secure.USER_SETUP_COMPLETE, 0, userId) != 0; 10328 DevicePolicyData policy = getUserData(userId); 10329 policy.mUserSetupComplete = isUserCompleted; 10330 synchronized (this) { 10331 saveSettingsLocked(userId); 10332 } 10333 } 10334 10335 // TODO(b/22388012): When backup is available for secondary users and profiles, consider 10336 // whether there are any privacy/security implications of enabling the backup service here 10337 // if there are other users or profiles unmanaged or managed by a different entity (i.e. not 10338 // affiliated). 10339 @Override 10340 public void setBackupServiceEnabled(ComponentName admin, boolean enabled) { 10341 if (!mHasFeature) { 10342 return; 10343 } 10344 Preconditions.checkNotNull(admin); 10345 synchronized (this) { 10346 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10347 } 10348 10349 final long ident = mInjector.binderClearCallingIdentity(); 10350 try { 10351 IBackupManager ibm = mInjector.getIBackupManager(); 10352 if (ibm != null) { 10353 ibm.setBackupServiceActive(UserHandle.USER_SYSTEM, enabled); 10354 } 10355 } catch (RemoteException e) { 10356 throw new IllegalStateException( 10357 "Failed " + (enabled ? "" : "de") + "activating backup service.", e); 10358 } finally { 10359 mInjector.binderRestoreCallingIdentity(ident); 10360 } 10361 } 10362 10363 @Override 10364 public boolean isBackupServiceEnabled(ComponentName admin) { 10365 Preconditions.checkNotNull(admin); 10366 if (!mHasFeature) { 10367 return true; 10368 } 10369 synchronized (this) { 10370 try { 10371 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10372 IBackupManager ibm = mInjector.getIBackupManager(); 10373 return ibm != null && ibm.isBackupServiceActive(UserHandle.USER_SYSTEM); 10374 } catch (RemoteException e) { 10375 throw new IllegalStateException("Failed requesting backup service state.", e); 10376 } 10377 } 10378 } 10379 10380 @Override 10381 public boolean bindDeviceAdminServiceAsUser( 10382 @NonNull ComponentName admin, @NonNull IApplicationThread caller, 10383 @Nullable IBinder activtiyToken, @NonNull Intent serviceIntent, 10384 @NonNull IServiceConnection connection, int flags, @UserIdInt int targetUserId) { 10385 if (!mHasFeature) { 10386 return false; 10387 } 10388 Preconditions.checkNotNull(admin); 10389 Preconditions.checkNotNull(caller); 10390 Preconditions.checkNotNull(serviceIntent); 10391 Preconditions.checkArgument( 10392 serviceIntent.getComponent() != null || serviceIntent.getPackage() != null, 10393 "Service intent must be explicit (with a package name or component): " 10394 + serviceIntent); 10395 Preconditions.checkNotNull(connection); 10396 Preconditions.checkArgument(mInjector.userHandleGetCallingUserId() != targetUserId, 10397 "target user id must be different from the calling user id"); 10398 10399 if (!getBindDeviceAdminTargetUsers(admin).contains(UserHandle.of(targetUserId))) { 10400 throw new SecurityException("Not allowed to bind to target user id"); 10401 } 10402 10403 final String targetPackage; 10404 synchronized (this) { 10405 targetPackage = getOwnerPackageNameForUserLocked(targetUserId); 10406 } 10407 10408 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10409 try { 10410 // Validate and sanitize the incoming service intent. 10411 final Intent sanitizedIntent = 10412 createCrossUserServiceIntent(serviceIntent, targetPackage, targetUserId); 10413 if (sanitizedIntent == null) { 10414 // Fail, cannot lookup the target service. 10415 return false; 10416 } 10417 // Ask ActivityManager to bind it. Notice that we are binding the service with the 10418 // caller app instead of DevicePolicyManagerService. 10419 return mInjector.getIActivityManager().bindService( 10420 caller, activtiyToken, serviceIntent, 10421 serviceIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 10422 connection, flags, mContext.getOpPackageName(), 10423 targetUserId) != 0; 10424 } catch (RemoteException ex) { 10425 // Same process, should not happen. 10426 } finally { 10427 mInjector.binderRestoreCallingIdentity(callingIdentity); 10428 } 10429 10430 // Failed to bind. 10431 return false; 10432 } 10433 10434 @Override 10435 public @NonNull List<UserHandle> getBindDeviceAdminTargetUsers(@NonNull ComponentName admin) { 10436 if (!mHasFeature) { 10437 return Collections.emptyList(); 10438 } 10439 Preconditions.checkNotNull(admin); 10440 10441 synchronized (this) { 10442 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10443 10444 final int callingUserId = mInjector.userHandleGetCallingUserId(); 10445 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10446 try { 10447 ArrayList<UserHandle> targetUsers = new ArrayList<>(); 10448 if (!isDeviceOwner(admin, callingUserId)) { 10449 // Profile owners can only bind to the device owner. 10450 if (canUserBindToDeviceOwnerLocked(callingUserId)) { 10451 targetUsers.add(UserHandle.of(mOwners.getDeviceOwnerUserId())); 10452 } 10453 } else { 10454 // Caller is the device owner: Look for profile owners that it can bind to. 10455 final List<UserInfo> userInfos = mUserManager.getUsers(/*excludeDying=*/ true); 10456 for (int i = 0; i < userInfos.size(); i++) { 10457 final int userId = userInfos.get(i).id; 10458 if (userId != callingUserId && canUserBindToDeviceOwnerLocked(userId)) { 10459 targetUsers.add(UserHandle.of(userId)); 10460 } 10461 } 10462 } 10463 10464 return targetUsers; 10465 } finally { 10466 mInjector.binderRestoreCallingIdentity(callingIdentity); 10467 } 10468 } 10469 } 10470 10471 private boolean canUserBindToDeviceOwnerLocked(int userId) { 10472 // There has to be a device owner, under another user id. 10473 if (!mOwners.hasDeviceOwner() || userId == mOwners.getDeviceOwnerUserId()) { 10474 return false; 10475 } 10476 10477 // The user must have a profile owner that belongs to the same package as the device owner. 10478 if (!mOwners.hasProfileOwner(userId) || !TextUtils.equals( 10479 mOwners.getDeviceOwnerPackageName(), mOwners.getProfileOwnerPackage(userId))) { 10480 return false; 10481 } 10482 10483 // The user must be affiliated. 10484 return isUserAffiliatedWithDeviceLocked(userId); 10485 } 10486 10487 /** 10488 * Return true if a given user has any accounts that'll prevent installing a device or profile 10489 * owner {@code owner}. 10490 * - If the user has no accounts, then return false. 10491 * - Otherwise, if the owner is unknown (== null), or is not test-only, then return true. 10492 * - Otherwise, if there's any account that does not have ..._ALLOWED, or does have 10493 * ..._DISALLOWED, return true. 10494 * - Otherwise return false. 10495 * 10496 * If the caller is *not* ADB, it also returns true. The returned value shouldn't be used 10497 * when the caller is not ADB. 10498 * 10499 * DO NOT CALL IT WITH THE DPMS LOCK HELD. 10500 */ 10501 private boolean hasIncompatibleAccountsOrNonAdbNoLock( 10502 int userId, @Nullable ComponentName owner) { 10503 if (!isAdb()) { 10504 return true; 10505 } 10506 wtfIfInLock(); 10507 10508 final long token = mInjector.binderClearCallingIdentity(); 10509 try { 10510 final AccountManager am = AccountManager.get(mContext); 10511 final Account accounts[] = am.getAccountsAsUser(userId); 10512 if (accounts.length == 0) { 10513 return false; 10514 } 10515 synchronized (this) { 10516 if (owner == null || !isAdminTestOnlyLocked(owner, userId)) { 10517 Log.w(LOG_TAG, 10518 "Non test-only owner can't be installed with existing accounts."); 10519 return true; 10520 } 10521 } 10522 10523 final String[] feature_allow = 10524 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_ALLOWED }; 10525 final String[] feature_disallow = 10526 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_DISALLOWED }; 10527 10528 boolean compatible = true; 10529 for (Account account : accounts) { 10530 if (hasAccountFeatures(am, account, feature_disallow)) { 10531 Log.e(LOG_TAG, account + " has " + feature_disallow[0]); 10532 compatible = false; 10533 break; 10534 } 10535 if (!hasAccountFeatures(am, account, feature_allow)) { 10536 Log.e(LOG_TAG, account + " doesn't have " + feature_allow[0]); 10537 compatible = false; 10538 break; 10539 } 10540 } 10541 if (compatible) { 10542 Log.w(LOG_TAG, "All accounts are compatible"); 10543 } else { 10544 Log.e(LOG_TAG, "Found incompatible accounts"); 10545 } 10546 return !compatible; 10547 } finally { 10548 mInjector.binderRestoreCallingIdentity(token); 10549 } 10550 } 10551 10552 private boolean hasAccountFeatures(AccountManager am, Account account, String[] features) { 10553 try { 10554 return am.hasFeatures(account, features, null, null).getResult(); 10555 } catch (Exception e) { 10556 Log.w(LOG_TAG, "Failed to get account feature", e); 10557 return false; 10558 } 10559 } 10560 10561 private boolean isAdb() { 10562 final int callingUid = mInjector.binderGetCallingUid(); 10563 return callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 10564 } 10565 10566 @Override 10567 public synchronized void setNetworkLoggingEnabled(ComponentName admin, boolean enabled) { 10568 if (!mHasFeature) { 10569 return; 10570 } 10571 Preconditions.checkNotNull(admin); 10572 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10573 10574 if (enabled == isNetworkLoggingEnabledInternalLocked()) { 10575 // already in the requested state 10576 return; 10577 } 10578 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10579 deviceOwner.isNetworkLoggingEnabled = enabled; 10580 if (!enabled) { 10581 deviceOwner.numNetworkLoggingNotifications = 0; 10582 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10583 } 10584 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 10585 10586 setNetworkLoggingActiveInternal(enabled); 10587 } 10588 10589 private synchronized void setNetworkLoggingActiveInternal(boolean active) { 10590 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10591 try { 10592 if (active) { 10593 mNetworkLogger = new NetworkLogger(this, mInjector.getPackageManagerInternal()); 10594 if (!mNetworkLogger.startNetworkLogging()) { 10595 mNetworkLogger = null; 10596 Slog.wtf(LOG_TAG, "Network logging could not be started due to the logging" 10597 + " service not being available yet."); 10598 } 10599 maybePauseDeviceWideLoggingLocked(); 10600 sendNetworkLoggingNotificationLocked(); 10601 } else { 10602 if (mNetworkLogger != null && !mNetworkLogger.stopNetworkLogging()) { 10603 Slog.wtf(LOG_TAG, "Network logging could not be stopped due to the logging" 10604 + " service not being available yet."); 10605 } 10606 mNetworkLogger = null; 10607 mInjector.getNotificationManager().cancel(NETWORK_LOGGING_NOTIFICATION_ID); 10608 } 10609 } finally { 10610 mInjector.binderRestoreCallingIdentity(callingIdentity); 10611 } 10612 } 10613 10614 /** Pauses security and network logging if there are unaffiliated users on the device */ 10615 private void maybePauseDeviceWideLoggingLocked() { 10616 if (!areAllUsersAffiliatedWithDeviceLocked()) { 10617 Slog.i(LOG_TAG, "There are unaffiliated users, security and network logging will be " 10618 + "paused if enabled."); 10619 mSecurityLogMonitor.pause(); 10620 if (mNetworkLogger != null) { 10621 mNetworkLogger.pause(); 10622 } 10623 } 10624 } 10625 10626 /** Resumes security and network logging (if they are enabled) if all users are affiliated */ 10627 private void maybeResumeDeviceWideLoggingLocked() { 10628 if (areAllUsersAffiliatedWithDeviceLocked()) { 10629 final long ident = mInjector.binderClearCallingIdentity(); 10630 try { 10631 mSecurityLogMonitor.resume(); 10632 if (mNetworkLogger != null) { 10633 mNetworkLogger.resume(); 10634 } 10635 } finally { 10636 mInjector.binderRestoreCallingIdentity(ident); 10637 } 10638 } 10639 } 10640 10641 /** Deletes any security and network logs that might have been collected so far */ 10642 private void discardDeviceWideLogsLocked() { 10643 mSecurityLogMonitor.discardLogs(); 10644 if (mNetworkLogger != null) { 10645 mNetworkLogger.discardLogs(); 10646 } 10647 // TODO: We should discard pre-boot security logs here too, as otherwise those 10648 // logs (which might contain data from the user just removed) will be 10649 // available after next boot. 10650 } 10651 10652 @Override 10653 public boolean isNetworkLoggingEnabled(ComponentName admin) { 10654 if (!mHasFeature) { 10655 return false; 10656 } 10657 synchronized (this) { 10658 enforceDeviceOwnerOrManageUsers(); 10659 return isNetworkLoggingEnabledInternalLocked(); 10660 } 10661 } 10662 10663 private boolean isNetworkLoggingEnabledInternalLocked() { 10664 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10665 return (deviceOwner != null) && deviceOwner.isNetworkLoggingEnabled; 10666 } 10667 10668 /* 10669 * A maximum of 1200 events are returned, and the total marshalled size is in the order of 10670 * 100kB, so returning a List instead of ParceledListSlice is acceptable. 10671 * Ideally this would be done with ParceledList, however it only supports homogeneous types. 10672 * 10673 * @see NetworkLoggingHandler#MAX_EVENTS_PER_BATCH 10674 */ 10675 @Override 10676 public List<NetworkEvent> retrieveNetworkLogs(ComponentName admin, long batchToken) { 10677 if (!mHasFeature) { 10678 return null; 10679 } 10680 Preconditions.checkNotNull(admin); 10681 ensureDeviceOwnerAndAllUsersAffiliated(admin); 10682 10683 synchronized (this) { 10684 if (mNetworkLogger == null 10685 || !isNetworkLoggingEnabledInternalLocked()) { 10686 return null; 10687 } 10688 10689 final long currentTime = System.currentTimeMillis(); 10690 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 10691 if (currentTime > policyData.mLastNetworkLogsRetrievalTime) { 10692 policyData.mLastNetworkLogsRetrievalTime = currentTime; 10693 saveSettingsLocked(UserHandle.USER_SYSTEM); 10694 } 10695 return mNetworkLogger.retrieveLogs(batchToken); 10696 } 10697 } 10698 10699 private void sendNetworkLoggingNotificationLocked() { 10700 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10701 if (deviceOwner == null || !deviceOwner.isNetworkLoggingEnabled) { 10702 return; 10703 } 10704 if (deviceOwner.numNetworkLoggingNotifications >= 10705 ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10706 return; 10707 } 10708 final long now = System.currentTimeMillis(); 10709 if (now - deviceOwner.lastNetworkLoggingNotificationTimeMs < MS_PER_DAY) { 10710 return; 10711 } 10712 deviceOwner.numNetworkLoggingNotifications++; 10713 if (deviceOwner.numNetworkLoggingNotifications 10714 >= ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10715 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10716 } else { 10717 deviceOwner.lastNetworkLoggingNotificationTimeMs = now; 10718 } 10719 final Intent intent = new Intent(DevicePolicyManager.ACTION_SHOW_DEVICE_MONITORING_DIALOG); 10720 intent.setPackage("com.android.systemui"); 10721 final PendingIntent pendingIntent = PendingIntent.getBroadcastAsUser(mContext, 0, intent, 0, 10722 UserHandle.CURRENT); 10723 Notification notification = 10724 new Notification.Builder(mContext, SystemNotificationChannels.DEVICE_ADMIN) 10725 .setSmallIcon(R.drawable.ic_qs_network_logging) 10726 .setContentTitle(mContext.getString(R.string.network_logging_notification_title)) 10727 .setContentText(mContext.getString(R.string.network_logging_notification_text)) 10728 .setTicker(mContext.getString(R.string.network_logging_notification_title)) 10729 .setShowWhen(true) 10730 .setContentIntent(pendingIntent) 10731 .build(); 10732 mInjector.getNotificationManager().notify(NETWORK_LOGGING_NOTIFICATION_ID, notification); 10733 saveSettingsLocked(mOwners.getDeviceOwnerUserId()); 10734 } 10735 10736 /** 10737 * Return the package name of owner in a given user. 10738 */ 10739 private String getOwnerPackageNameForUserLocked(int userId) { 10740 return mOwners.getDeviceOwnerUserId() == userId 10741 ? mOwners.getDeviceOwnerPackageName() 10742 : mOwners.getProfileOwnerPackage(userId); 10743 } 10744 10745 /** 10746 * @param rawIntent Original service intent specified by caller. It must be explicit. 10747 * @param expectedPackageName The expected package name of the resolved service. 10748 * @return Intent that have component explicitly set. {@code null} if no service is resolved 10749 * with the given intent. 10750 * @throws SecurityException if the intent is resolved to an invalid service. 10751 */ 10752 private Intent createCrossUserServiceIntent( 10753 @NonNull Intent rawIntent, @NonNull String expectedPackageName, 10754 @UserIdInt int targetUserId) throws RemoteException, SecurityException { 10755 ResolveInfo info = mIPackageManager.resolveService( 10756 rawIntent, 10757 rawIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 10758 0, // flags 10759 targetUserId); 10760 if (info == null || info.serviceInfo == null) { 10761 Log.e(LOG_TAG, "Fail to look up the service: " + rawIntent 10762 + " or user " + targetUserId + " is not running"); 10763 return null; 10764 } 10765 if (!expectedPackageName.equals(info.serviceInfo.packageName)) { 10766 throw new SecurityException("Only allow to bind service in " + expectedPackageName); 10767 } 10768 if (info.serviceInfo.exported) { 10769 throw new SecurityException("The service must be unexported"); 10770 } 10771 // It is the system server to bind the service, it would be extremely dangerous if it 10772 // can be exploited to bind any service. Set the component explicitly to make sure we 10773 // do not bind anything accidentally. 10774 rawIntent.setComponent(info.serviceInfo.getComponentName()); 10775 return rawIntent; 10776 } 10777 10778 @Override 10779 public long getLastSecurityLogRetrievalTime() { 10780 enforceDeviceOwnerOrManageUsers(); 10781 return getUserData(UserHandle.USER_SYSTEM).mLastSecurityLogRetrievalTime; 10782 } 10783 10784 @Override 10785 public long getLastBugReportRequestTime() { 10786 enforceDeviceOwnerOrManageUsers(); 10787 return getUserData(UserHandle.USER_SYSTEM).mLastBugReportRequestTime; 10788 } 10789 10790 @Override 10791 public long getLastNetworkLogRetrievalTime() { 10792 enforceDeviceOwnerOrManageUsers(); 10793 return getUserData(UserHandle.USER_SYSTEM).mLastNetworkLogsRetrievalTime; 10794 } 10795 10796 @Override 10797 public boolean setResetPasswordToken(ComponentName admin, byte[] token) { 10798 if (!mHasFeature) { 10799 return false; 10800 } 10801 if (token == null || token.length < 32) { 10802 throw new IllegalArgumentException("token must be at least 32-byte long"); 10803 } 10804 synchronized (this) { 10805 final int userHandle = mInjector.userHandleGetCallingUserId(); 10806 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10807 10808 DevicePolicyData policy = getUserData(userHandle); 10809 long ident = mInjector.binderClearCallingIdentity(); 10810 try { 10811 if (policy.mPasswordTokenHandle != 0) { 10812 mLockPatternUtils.removeEscrowToken(policy.mPasswordTokenHandle, userHandle); 10813 } 10814 10815 policy.mPasswordTokenHandle = mLockPatternUtils.addEscrowToken(token, userHandle); 10816 saveSettingsLocked(userHandle); 10817 return policy.mPasswordTokenHandle != 0; 10818 } finally { 10819 mInjector.binderRestoreCallingIdentity(ident); 10820 } 10821 } 10822 } 10823 10824 @Override 10825 public boolean clearResetPasswordToken(ComponentName admin) { 10826 if (!mHasFeature) { 10827 return false; 10828 } 10829 synchronized (this) { 10830 final int userHandle = mInjector.userHandleGetCallingUserId(); 10831 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10832 10833 DevicePolicyData policy = getUserData(userHandle); 10834 if (policy.mPasswordTokenHandle != 0) { 10835 long ident = mInjector.binderClearCallingIdentity(); 10836 try { 10837 boolean result = mLockPatternUtils.removeEscrowToken( 10838 policy.mPasswordTokenHandle, userHandle); 10839 policy.mPasswordTokenHandle = 0; 10840 saveSettingsLocked(userHandle); 10841 return result; 10842 } finally { 10843 mInjector.binderRestoreCallingIdentity(ident); 10844 } 10845 } 10846 } 10847 return false; 10848 } 10849 10850 @Override 10851 public boolean isResetPasswordTokenActive(ComponentName admin) { 10852 synchronized (this) { 10853 final int userHandle = mInjector.userHandleGetCallingUserId(); 10854 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10855 10856 DevicePolicyData policy = getUserData(userHandle); 10857 if (policy.mPasswordTokenHandle != 0) { 10858 long ident = mInjector.binderClearCallingIdentity(); 10859 try { 10860 return mLockPatternUtils.isEscrowTokenActive(policy.mPasswordTokenHandle, 10861 userHandle); 10862 } finally { 10863 mInjector.binderRestoreCallingIdentity(ident); 10864 } 10865 } 10866 } 10867 return false; 10868 } 10869 10870 @Override 10871 public boolean resetPasswordWithToken(ComponentName admin, String passwordOrNull, byte[] token, 10872 int flags) { 10873 Preconditions.checkNotNull(token); 10874 synchronized (this) { 10875 final int userHandle = mInjector.userHandleGetCallingUserId(); 10876 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10877 10878 DevicePolicyData policy = getUserData(userHandle); 10879 if (policy.mPasswordTokenHandle != 0) { 10880 final String password = passwordOrNull != null ? passwordOrNull : ""; 10881 return resetPasswordInternal(password, policy.mPasswordTokenHandle, token, 10882 flags, mInjector.binderGetCallingUid(), userHandle); 10883 } else { 10884 Slog.w(LOG_TAG, "No saved token handle"); 10885 } 10886 } 10887 return false; 10888 } 10889 10890 @Override 10891 public boolean isDefaultInputMethodSetByOwner(@NonNull UserHandle user) { 10892 final int userId = user.getIdentifier(); 10893 enforceProfileOwnerOrSystemUser(null); 10894 if (!isCallerWithSystemUid() && mInjector.userHandleGetCallingUserId() != userId) { 10895 throw new SecurityException( 10896 "Only the system can use this method to query information about another user"); 10897 } 10898 return getUserData(userId).mDefaultInputMethodSet; 10899 } 10900} 10901