DevicePolicyManagerService.java revision d5b036014d632c7c28f8499f39bafd4b95ac49d1
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_CANNOT_ADD_MANAGED_PROFILE; 22import static android.app.admin.DevicePolicyManager.CODE_DEVICE_ADMIN_NOT_SUPPORTED; 23import static android.app.admin.DevicePolicyManager.CODE_HAS_DEVICE_OWNER; 24import static android.app.admin.DevicePolicyManager.CODE_HAS_PAIRED; 25import static android.app.admin.DevicePolicyManager.CODE_MANAGED_USERS_NOT_SUPPORTED; 26import static android.app.admin.DevicePolicyManager.CODE_NONSYSTEM_USER_EXISTS; 27import static android.app.admin.DevicePolicyManager.CODE_NOT_SYSTEM_USER; 28import static android.app.admin.DevicePolicyManager.CODE_NOT_SYSTEM_USER_SPLIT; 29import static android.app.admin.DevicePolicyManager.CODE_OK; 30import static android.app.admin.DevicePolicyManager.CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 31import static android.app.admin.DevicePolicyManager.CODE_SYSTEM_USER; 32import static android.app.admin.DevicePolicyManager.CODE_USER_HAS_PROFILE_OWNER; 33import static android.app.admin.DevicePolicyManager.CODE_USER_NOT_RUNNING; 34import static android.app.admin.DevicePolicyManager.CODE_USER_SETUP_COMPLETED; 35import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 36import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 37import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 38import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 39 40import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.PROVISIONING_ENTRY_POINT_ADB; 41import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 42import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 43import static org.xmlpull.v1.XmlPullParser.END_TAG; 44import static org.xmlpull.v1.XmlPullParser.TEXT; 45 46import android.Manifest.permission; 47import android.accessibilityservice.AccessibilityServiceInfo; 48import android.accounts.Account; 49import android.accounts.AccountManager; 50import android.annotation.IntDef; 51import android.annotation.NonNull; 52import android.annotation.Nullable; 53import android.annotation.UserIdInt; 54import android.app.Activity; 55import android.app.ActivityManager; 56import android.app.AlarmManager; 57import android.app.AppGlobals; 58import android.app.IActivityManager; 59import android.app.IApplicationThread; 60import android.app.IServiceConnection; 61import android.app.Notification; 62import android.app.NotificationManager; 63import android.app.PendingIntent; 64import android.app.StatusBarManager; 65import android.app.admin.DeviceAdminInfo; 66import android.app.admin.DeviceAdminReceiver; 67import android.app.admin.DevicePolicyManager; 68import android.app.admin.DevicePolicyManagerInternal; 69import android.app.admin.IDevicePolicyManager; 70import android.app.admin.NetworkEvent; 71import android.app.admin.PasswordMetrics; 72import android.app.admin.SecurityLog; 73import android.app.admin.SecurityLog.SecurityEvent; 74import android.app.admin.SystemUpdatePolicy; 75import android.app.backup.IBackupManager; 76import android.content.BroadcastReceiver; 77import android.content.ComponentName; 78import android.content.Context; 79import android.content.Intent; 80import android.content.IntentFilter; 81import android.content.pm.ActivityInfo; 82import android.content.pm.ApplicationInfo; 83import android.content.pm.IPackageManager; 84import android.content.pm.PackageInfo; 85import android.content.pm.PackageManager; 86import android.content.pm.PackageManager.NameNotFoundException; 87import android.content.pm.PackageManagerInternal; 88import android.content.pm.ParceledListSlice; 89import android.content.pm.ResolveInfo; 90import android.content.pm.ServiceInfo; 91import android.content.pm.UserInfo; 92import android.database.ContentObserver; 93import android.graphics.Bitmap; 94import android.graphics.Color; 95import android.media.AudioManager; 96import android.media.IAudioService; 97import android.net.ConnectivityManager; 98import android.net.IIpConnectivityMetrics; 99import android.net.ProxyInfo; 100import android.net.Uri; 101import android.net.metrics.IpConnectivityLog; 102import android.net.wifi.WifiInfo; 103import android.net.wifi.WifiManager; 104import android.os.AsyncTask; 105import android.os.Binder; 106import android.os.Build; 107import android.os.Bundle; 108import android.os.Environment; 109import android.os.FileUtils; 110import android.os.Handler; 111import android.os.IBinder; 112import android.os.Looper; 113import android.os.ParcelFileDescriptor; 114import android.os.PersistableBundle; 115import android.os.PowerManager; 116import android.os.PowerManagerInternal; 117import android.os.Process; 118import android.os.RecoverySystem; 119import android.os.RemoteCallback; 120import android.os.RemoteException; 121import android.os.ServiceManager; 122import android.os.SystemClock; 123import android.os.SystemProperties; 124import android.os.UserHandle; 125import android.os.UserManager; 126import android.os.UserManagerInternal; 127import android.os.storage.StorageManager; 128import android.provider.ContactsContract.QuickContact; 129import android.provider.ContactsInternal; 130import android.provider.Settings; 131import android.security.Credentials; 132import android.security.IKeyChainAliasCallback; 133import android.security.IKeyChainService; 134import android.security.KeyChain; 135import android.security.KeyChain.KeyChainConnection; 136import android.service.persistentdata.PersistentDataBlockManager; 137import android.telephony.TelephonyManager; 138import android.text.TextUtils; 139import android.util.ArrayMap; 140import android.util.ArraySet; 141import android.util.Log; 142import android.util.Pair; 143import android.util.Slog; 144import android.util.SparseArray; 145import android.util.Xml; 146import android.view.IWindowManager; 147import android.view.accessibility.AccessibilityManager; 148import android.view.accessibility.IAccessibilityManager; 149import android.view.inputmethod.InputMethodInfo; 150import android.view.inputmethod.InputMethodManager; 151 152import com.android.internal.R; 153import com.android.internal.annotations.VisibleForTesting; 154import com.android.internal.logging.MetricsLogger; 155import com.android.internal.statusbar.IStatusBarService; 156import com.android.internal.util.ArrayUtils; 157import com.android.internal.util.FastXmlSerializer; 158import com.android.internal.util.JournaledFile; 159import com.android.internal.util.ParcelableString; 160import com.android.internal.util.Preconditions; 161import com.android.internal.util.XmlUtils; 162import com.android.internal.widget.LockPatternUtils; 163import com.android.server.LocalServices; 164import com.android.server.SystemService; 165import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 166import com.android.server.pm.UserRestrictionsUtils; 167import com.google.android.collect.Sets; 168 169import org.xmlpull.v1.XmlPullParser; 170import org.xmlpull.v1.XmlPullParserException; 171import org.xmlpull.v1.XmlSerializer; 172 173import java.io.ByteArrayInputStream; 174import java.io.File; 175import java.io.FileDescriptor; 176import java.io.FileInputStream; 177import java.io.FileNotFoundException; 178import java.io.FileOutputStream; 179import java.io.IOException; 180import java.io.PrintWriter; 181import java.lang.annotation.Retention; 182import java.lang.annotation.RetentionPolicy; 183import java.nio.charset.StandardCharsets; 184import java.security.cert.CertificateException; 185import java.security.cert.CertificateFactory; 186import java.security.cert.X509Certificate; 187import java.text.DateFormat; 188import java.util.ArrayList; 189import java.util.Arrays; 190import java.util.Collections; 191import java.util.Date; 192import java.util.List; 193import java.util.Map.Entry; 194import java.util.Set; 195import java.util.concurrent.atomic.AtomicBoolean; 196 197/** 198 * Implementation of the device policy APIs. 199 */ 200public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 201 202 private static final String LOG_TAG = "DevicePolicyManager"; 203 204 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 205 206 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 207 208 private static final String TAG_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; 209 210 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 211 212 private static final String TAG_STATUS_BAR = "statusbar"; 213 214 private static final String ATTR_DISABLED = "disabled"; 215 216 private static final String ATTR_NAME = "name"; 217 218 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 219 "do-not-ask-credentials-on-boot"; 220 221 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 222 223 private static final String TAG_LAST_SECURITY_LOG_RETRIEVAL = "last-security-log-retrieval"; 224 225 private static final String TAG_LAST_BUG_REPORT_REQUEST = "last-bug-report-request"; 226 227 private static final String TAG_LAST_NETWORK_LOG_RETRIEVAL = "last-network-log-retrieval"; 228 229 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 230 231 private static final String ATTR_ID = "id"; 232 233 private static final String ATTR_VALUE = "value"; 234 235 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 236 237 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 238 239 private static final long MS_PER_DAY = 86400 * 1000; 240 241 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 242 243 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 244 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 245 246 private static final int MONITORING_CERT_NOTIFICATION_ID = R.plurals.ssl_ca_cert_warning; 247 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 248 249 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 250 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 251 private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; 252 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 253 private static final String ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED = 254 "device-provisioning-config-applied"; 255 private static final String ATTR_DEVICE_PAIRED = "device-paired"; 256 257 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 258 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 259 = "application-restrictions-manager"; 260 261 /** 262 * System property whose value is either "true" or "false", indicating whether 263 * device owner is present. 264 */ 265 private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; 266 267 private static final int STATUS_BAR_DISABLE_MASK = 268 StatusBarManager.DISABLE_EXPAND | 269 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 270 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 271 StatusBarManager.DISABLE_SEARCH; 272 273 private static final int STATUS_BAR_DISABLE2_MASK = 274 StatusBarManager.DISABLE2_QUICK_SETTINGS; 275 276 private static final Set<String> SECURE_SETTINGS_WHITELIST; 277 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 278 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 279 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 280 static { 281 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 282 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 283 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 284 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 285 286 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 287 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 288 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 289 290 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 291 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 292 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 293 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 294 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 295 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 296 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 297 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 298 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 299 300 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 301 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 302 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 303 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 304 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 305 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 306 } 307 308 /** 309 * Keyguard features that when set on a managed profile that doesn't have its own challenge will 310 * affect the profile's parent user. These can also be set on the managed profile's parent DPM 311 * instance. 312 */ 313 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 314 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 315 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 316 317 /** 318 * Keyguard features that when set on a profile affect the profile content or challenge only. 319 * These cannot be set on the managed profile's parent DPM instance 320 */ 321 private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = 322 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 323 324 /** Keyguard features that are allowed to be set on a managed profile */ 325 private static final int PROFILE_KEYGUARD_FEATURES = 326 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; 327 328 private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; 329 330 /** 331 * Minimum timeout in milliseconds after which unlocking with weak auth times out, 332 * i.e. the user has to use a strong authentication method like password, PIN or pattern. 333 */ 334 private static final long MINIMUM_STRONG_AUTH_TIMEOUT_MS = 1 * 60 * 60 * 1000; // 1h 335 336 /** 337 * Strings logged with {@link #PROVISIONING_ENTRY_POINT_ADB}. 338 */ 339 private static final String LOG_TAG_PROFILE_OWNER = "profile-owner"; 340 private static final String LOG_TAG_DEVICE_OWNER = "device-owner"; 341 342 final Context mContext; 343 final Injector mInjector; 344 final IPackageManager mIPackageManager; 345 final UserManager mUserManager; 346 final UserManagerInternal mUserManagerInternal; 347 final TelephonyManager mTelephonyManager; 348 private final LockPatternUtils mLockPatternUtils; 349 350 /** 351 * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p 352 * is requested for user u. 353 */ 354 private final Set<Pair<String, Integer>> mPackagesToRemove = 355 new ArraySet<Pair<String, Integer>>(); 356 357 final LocalService mLocalService; 358 359 // Stores and loads state on device and profile owners. 360 @VisibleForTesting 361 final Owners mOwners; 362 363 private final Binder mToken = new Binder(); 364 365 /** 366 * Whether or not device admin feature is supported. If it isn't return defaults for all 367 * public methods. 368 */ 369 boolean mHasFeature; 370 371 /** 372 * Whether or not this device is a watch. 373 */ 374 boolean mIsWatch; 375 376 private final SecurityLogMonitor mSecurityLogMonitor; 377 private NetworkLogger mNetworkLogger; 378 379 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 380 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 381 382 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 383 @Override 384 public void run() { 385 if(mRemoteBugreportServiceIsActive.get()) { 386 onBugreportFailed(); 387 } 388 } 389 }; 390 391 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 392 393 @Override 394 public void onReceive(Context context, Intent intent) { 395 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 396 && mRemoteBugreportServiceIsActive.get()) { 397 onBugreportFinished(intent); 398 } 399 } 400 }; 401 402 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 403 404 @Override 405 public void onReceive(Context context, Intent intent) { 406 String action = intent.getAction(); 407 mInjector.getNotificationManager().cancel(LOG_TAG, 408 RemoteBugreportUtils.NOTIFICATION_ID); 409 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 410 onBugreportSharingAccepted(); 411 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 412 onBugreportSharingDeclined(); 413 } 414 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 415 } 416 }; 417 418 public static final class Lifecycle extends SystemService { 419 private DevicePolicyManagerService mService; 420 421 public Lifecycle(Context context) { 422 super(context); 423 mService = new DevicePolicyManagerService(context); 424 } 425 426 @Override 427 public void onStart() { 428 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 429 } 430 431 @Override 432 public void onBootPhase(int phase) { 433 mService.systemReady(phase); 434 } 435 436 @Override 437 public void onStartUser(int userHandle) { 438 mService.onStartUser(userHandle); 439 } 440 } 441 442 public static class DevicePolicyData { 443 @NonNull PasswordMetrics mActivePasswordMetrics = new PasswordMetrics(); 444 int mFailedPasswordAttempts = 0; 445 446 int mUserHandle; 447 int mPasswordOwner = -1; 448 long mLastMaximumTimeToLock = -1; 449 boolean mUserSetupComplete = false; 450 boolean mPaired = false; 451 int mUserProvisioningState; 452 int mPermissionPolicy; 453 454 boolean mDeviceProvisioningConfigApplied = false; 455 456 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 457 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 458 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 459 460 final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); 461 462 // This is the list of component allowed to start lock task mode. 463 List<String> mLockTaskPackages = new ArrayList<>(); 464 465 boolean mStatusBarDisabled = false; 466 467 ComponentName mRestrictionsProvider; 468 469 String mDelegatedCertInstallerPackage; 470 471 boolean doNotAskCredentialsOnBoot = false; 472 473 String mApplicationRestrictionsManagingPackage; 474 475 Set<String> mAffiliationIds = new ArraySet<>(); 476 477 long mLastSecurityLogRetrievalTime = -1; 478 479 long mLastBugReportRequestTime = -1; 480 481 long mLastNetworkLogsRetrievalTime = -1; 482 483 // Used for initialization of users created by createAndManageUsers. 484 boolean mAdminBroadcastPending = false; 485 PersistableBundle mInitBundle = null; 486 487 public DevicePolicyData(int userHandle) { 488 mUserHandle = userHandle; 489 } 490 } 491 492 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 493 494 final Handler mHandler; 495 496 BroadcastReceiver mReceiver = new BroadcastReceiver() { 497 @Override 498 public void onReceive(Context context, Intent intent) { 499 final String action = intent.getAction(); 500 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 501 getSendingUserId()); 502 503 /* 504 * Network logging would ideally be started in setDeviceOwnerSystemPropertyLocked(), 505 * however it's too early in the boot process to register with IIpConnectivityMetrics 506 * to listen for events. 507 */ 508 if (Intent.ACTION_USER_STARTED.equals(action) 509 && userHandle == mOwners.getDeviceOwnerUserId()) { 510 synchronized (DevicePolicyManagerService.this) { 511 if (isNetworkLoggingEnabledInternalLocked()) { 512 setNetworkLoggingActiveInternal(true); 513 } 514 } 515 } 516 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 517 && userHandle == mOwners.getDeviceOwnerUserId() 518 && getDeviceOwnerRemoteBugreportUri() != null) { 519 IntentFilter filterConsent = new IntentFilter(); 520 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 521 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 522 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 523 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 524 RemoteBugreportUtils.NOTIFICATION_ID, 525 RemoteBugreportUtils.buildNotification(mContext, 526 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 527 UserHandle.ALL); 528 } 529 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 530 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 531 if (VERBOSE_LOG) { 532 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 533 + action + " for user " + userHandle); 534 } 535 mHandler.post(new Runnable() { 536 @Override 537 public void run() { 538 handlePasswordExpirationNotification(userHandle); 539 } 540 }); 541 } 542 if (Intent.ACTION_USER_UNLOCKED.equals(action) 543 || Intent.ACTION_USER_STARTED.equals(action) 544 || KeyChain.ACTION_TRUST_STORE_CHANGED.equals(action)) { 545 int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 546 new MonitoringCertNotificationTask().execute(userId); 547 } 548 if (Intent.ACTION_USER_ADDED.equals(action)) { 549 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_ADDED, userHandle); 550 disableDeviceOwnerManagedSingleUserFeaturesIfNeeded(); 551 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 552 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_REMOVED, userHandle); 553 disableDeviceOwnerManagedSingleUserFeaturesIfNeeded(); 554 removeUserData(userHandle); 555 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 556 synchronized (DevicePolicyManagerService.this) { 557 // Reset the policy data 558 mUserData.remove(userHandle); 559 sendAdminEnabledBroadcastLocked(userHandle); 560 } 561 handlePackagesChanged(null /* check all admins */, userHandle); 562 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 563 handlePackagesChanged(null /* check all admins */, userHandle); 564 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 565 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 566 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 567 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 568 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 569 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 570 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 571 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 572 clearWipeProfileNotification(); 573 } 574 } 575 576 private void sendUserAddedOrRemovedCommand(String action, int userHandle) { 577 synchronized (DevicePolicyManagerService.this) { 578 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 579 if (deviceOwner != null) { 580 Bundle extras = new Bundle(); 581 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 582 sendAdminCommandLocked(deviceOwner, action, extras, null); 583 } 584 } 585 } 586 }; 587 588 static class ActiveAdmin { 589 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 590 private static final String TAG_TEST_ONLY_ADMIN = "test-only-admin"; 591 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 592 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 593 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 594 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 595 = "disable-bt-contacts-sharing"; 596 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 597 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 598 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 599 private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; 600 private static final String TAG_IS_NETWORK_LOGGING_ENABLED = "is_network_logging_enabled"; 601 private static final String TAG_ACCOUNT_TYPE = "account-type"; 602 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 603 = "permitted-accessiblity-services"; 604 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 605 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 606 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 607 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 608 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 609 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 610 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 611 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 612 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 613 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 614 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 615 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 616 private static final String TAG_STRONG_AUTH_UNLOCK_TIMEOUT = "strong-auth-unlock-timeout"; 617 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 618 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 619 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 620 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 621 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 622 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 623 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 624 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 625 private static final String ATTR_VALUE = "value"; 626 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 627 private static final String TAG_POLICIES = "policies"; 628 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 629 "cross-profile-widget-providers"; 630 private static final String TAG_PROVIDER = "provider"; 631 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 632 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 633 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 634 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 635 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 636 private static final String TAG_PARENT_ADMIN = "parent-admin"; 637 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 638 private static final String TAG_ORGANIZATION_NAME = "organization-name"; 639 640 final DeviceAdminInfo info; 641 642 643 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 644 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 645 646 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 647 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 648 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 649 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 650 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 651 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 652 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 653 @NonNull 654 PasswordMetrics minimumPasswordMetrics = new PasswordMetrics( 655 DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, DEF_MINIMUM_PASSWORD_LENGTH, 656 DEF_MINIMUM_PASSWORD_LETTERS, DEF_MINIMUM_PASSWORD_UPPER_CASE, 657 DEF_MINIMUM_PASSWORD_LOWER_CASE, DEF_MINIMUM_PASSWORD_NUMERIC, 658 DEF_MINIMUM_PASSWORD_SYMBOLS, DEF_MINIMUM_PASSWORD_NON_LETTER); 659 660 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 661 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 662 663 long strongAuthUnlockTimeout = 0; // admin doesn't participate by default 664 665 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 666 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 667 668 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 669 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 670 671 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 672 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 673 674 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 675 676 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 677 678 boolean encryptionRequested = false; 679 boolean testOnlyAdmin = false; 680 boolean disableCamera = false; 681 boolean disableCallerId = false; 682 boolean disableContactsSearch = false; 683 boolean disableBluetoothContactSharing = true; 684 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 685 boolean requireAutoTime = false; // Can only be set by a device owner. 686 boolean forceEphemeralUsers = false; // Can only be set by a device owner. 687 boolean isNetworkLoggingEnabled = false; // Can only be set by a device owner. 688 689 ActiveAdmin parentAdmin; 690 final boolean isParent; 691 692 static class TrustAgentInfo { 693 public PersistableBundle options; 694 TrustAgentInfo(PersistableBundle bundle) { 695 options = bundle; 696 } 697 } 698 699 Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 700 701 // The list of permitted accessibility services package namesas set by a profile 702 // or device owner. Null means all accessibility services are allowed, empty means 703 // none except system services are allowed. 704 List<String> permittedAccessiblityServices; 705 706 // The list of permitted input methods package names as set by a profile or device owner. 707 // Null means all input methods are allowed, empty means none except system imes are 708 // allowed. 709 List<String> permittedInputMethods; 710 711 // List of package names to keep cached. 712 List<String> keepUninstalledPackages; 713 714 // TODO: review implementation decisions with frameworks team 715 boolean specifiesGlobalProxy = false; 716 String globalProxySpec = null; 717 String globalProxyExclusionList = null; 718 719 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 720 721 List<String> crossProfileWidgetProviders; 722 723 Bundle userRestrictions; 724 725 // Support text provided by the admin to display to the user. 726 CharSequence shortSupportMessage = null; 727 CharSequence longSupportMessage = null; 728 729 // Background color of confirm credentials screen. Default: teal. 730 static final int DEF_ORGANIZATION_COLOR = Color.parseColor("#00796B"); 731 int organizationColor = DEF_ORGANIZATION_COLOR; 732 733 // Default title of confirm credentials screen 734 String organizationName = null; 735 736 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 737 info = _info; 738 isParent = parent; 739 } 740 741 ActiveAdmin getParentActiveAdmin() { 742 Preconditions.checkState(!isParent); 743 744 if (parentAdmin == null) { 745 parentAdmin = new ActiveAdmin(info, /* parent */ true); 746 } 747 return parentAdmin; 748 } 749 750 boolean hasParentActiveAdmin() { 751 return parentAdmin != null; 752 } 753 754 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 755 756 public UserHandle getUserHandle() { 757 return UserHandle.of(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 758 } 759 760 void writeToXml(XmlSerializer out) 761 throws IllegalArgumentException, IllegalStateException, IOException { 762 out.startTag(null, TAG_POLICIES); 763 info.writePoliciesToXml(out); 764 out.endTag(null, TAG_POLICIES); 765 if (minimumPasswordMetrics.quality 766 != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 767 out.startTag(null, TAG_PASSWORD_QUALITY); 768 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.quality)); 769 out.endTag(null, TAG_PASSWORD_QUALITY); 770 if (minimumPasswordMetrics.length != DEF_MINIMUM_PASSWORD_LENGTH) { 771 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 772 out.attribute( 773 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.length)); 774 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 775 } 776 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 777 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 778 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 779 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 780 } 781 if (minimumPasswordMetrics.upperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 782 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 783 out.attribute( 784 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.upperCase)); 785 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 786 } 787 if (minimumPasswordMetrics.lowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 788 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 789 out.attribute( 790 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.lowerCase)); 791 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 792 } 793 if (minimumPasswordMetrics.letters != DEF_MINIMUM_PASSWORD_LETTERS) { 794 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 795 out.attribute( 796 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.letters)); 797 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 798 } 799 if (minimumPasswordMetrics.numeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 800 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 801 out.attribute( 802 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.numeric)); 803 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 804 } 805 if (minimumPasswordMetrics.symbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 806 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 807 out.attribute( 808 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.symbols)); 809 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 810 } 811 if (minimumPasswordMetrics.nonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 812 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 813 out.attribute( 814 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.nonLetter)); 815 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 816 } 817 } 818 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 819 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 820 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 821 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 822 } 823 if (strongAuthUnlockTimeout != DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 824 out.startTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 825 out.attribute(null, ATTR_VALUE, Long.toString(strongAuthUnlockTimeout)); 826 out.endTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 827 } 828 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 829 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 830 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 831 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 832 } 833 if (specifiesGlobalProxy) { 834 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 835 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 836 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 837 if (globalProxySpec != null) { 838 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 839 out.attribute(null, ATTR_VALUE, globalProxySpec); 840 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 841 } 842 if (globalProxyExclusionList != null) { 843 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 844 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 845 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 846 } 847 } 848 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 849 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 850 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 851 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 852 } 853 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 854 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 855 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 856 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 857 } 858 if (encryptionRequested) { 859 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 860 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 861 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 862 } 863 if (testOnlyAdmin) { 864 out.startTag(null, TAG_TEST_ONLY_ADMIN); 865 out.attribute(null, ATTR_VALUE, Boolean.toString(testOnlyAdmin)); 866 out.endTag(null, TAG_TEST_ONLY_ADMIN); 867 } 868 if (disableCamera) { 869 out.startTag(null, TAG_DISABLE_CAMERA); 870 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 871 out.endTag(null, TAG_DISABLE_CAMERA); 872 } 873 if (disableCallerId) { 874 out.startTag(null, TAG_DISABLE_CALLER_ID); 875 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 876 out.endTag(null, TAG_DISABLE_CALLER_ID); 877 } 878 if (disableContactsSearch) { 879 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 880 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 881 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 882 } 883 if (!disableBluetoothContactSharing) { 884 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 885 out.attribute(null, ATTR_VALUE, 886 Boolean.toString(disableBluetoothContactSharing)); 887 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 888 } 889 if (disableScreenCapture) { 890 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 891 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 892 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 893 } 894 if (requireAutoTime) { 895 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 896 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 897 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 898 } 899 if (forceEphemeralUsers) { 900 out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); 901 out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); 902 out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); 903 } 904 if (isNetworkLoggingEnabled) { 905 out.startTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 906 out.attribute(null, ATTR_VALUE, Boolean.toString(isNetworkLoggingEnabled)); 907 out.endTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 908 } 909 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 910 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 911 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 912 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 913 } 914 if (!accountTypesWithManagementDisabled.isEmpty()) { 915 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 916 for (String ac : accountTypesWithManagementDisabled) { 917 out.startTag(null, TAG_ACCOUNT_TYPE); 918 out.attribute(null, ATTR_VALUE, ac); 919 out.endTag(null, TAG_ACCOUNT_TYPE); 920 } 921 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 922 } 923 if (!trustAgentInfos.isEmpty()) { 924 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 925 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 926 for (Entry<String, TrustAgentInfo> entry : set) { 927 TrustAgentInfo trustAgentInfo = entry.getValue(); 928 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 929 out.attribute(null, ATTR_VALUE, entry.getKey()); 930 if (trustAgentInfo.options != null) { 931 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 932 try { 933 trustAgentInfo.options.saveToXml(out); 934 } catch (XmlPullParserException e) { 935 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 936 } 937 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 938 } 939 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 940 } 941 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 942 } 943 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 944 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 945 final int providerCount = crossProfileWidgetProviders.size(); 946 for (int i = 0; i < providerCount; i++) { 947 String provider = crossProfileWidgetProviders.get(i); 948 out.startTag(null, TAG_PROVIDER); 949 out.attribute(null, ATTR_VALUE, provider); 950 out.endTag(null, TAG_PROVIDER); 951 } 952 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 953 } 954 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 955 permittedAccessiblityServices); 956 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 957 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 958 if (hasUserRestrictions()) { 959 UserRestrictionsUtils.writeRestrictions( 960 out, userRestrictions, TAG_USER_RESTRICTIONS); 961 } 962 if (!TextUtils.isEmpty(shortSupportMessage)) { 963 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 964 out.text(shortSupportMessage.toString()); 965 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 966 } 967 if (!TextUtils.isEmpty(longSupportMessage)) { 968 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 969 out.text(longSupportMessage.toString()); 970 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 971 } 972 if (parentAdmin != null) { 973 out.startTag(null, TAG_PARENT_ADMIN); 974 parentAdmin.writeToXml(out); 975 out.endTag(null, TAG_PARENT_ADMIN); 976 } 977 if (organizationColor != DEF_ORGANIZATION_COLOR) { 978 out.startTag(null, TAG_ORGANIZATION_COLOR); 979 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 980 out.endTag(null, TAG_ORGANIZATION_COLOR); 981 } 982 if (organizationName != null) { 983 out.startTag(null, TAG_ORGANIZATION_NAME); 984 out.text(organizationName); 985 out.endTag(null, TAG_ORGANIZATION_NAME); 986 } 987 } 988 989 void writePackageListToXml(XmlSerializer out, String outerTag, 990 List<String> packageList) 991 throws IllegalArgumentException, IllegalStateException, IOException { 992 if (packageList == null) { 993 return; 994 } 995 996 out.startTag(null, outerTag); 997 for (String packageName : packageList) { 998 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 999 out.attribute(null, ATTR_VALUE, packageName); 1000 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 1001 } 1002 out.endTag(null, outerTag); 1003 } 1004 1005 void readFromXml(XmlPullParser parser) 1006 throws XmlPullParserException, IOException { 1007 int outerDepth = parser.getDepth(); 1008 int type; 1009 while ((type=parser.next()) != END_DOCUMENT 1010 && (type != END_TAG || parser.getDepth() > outerDepth)) { 1011 if (type == END_TAG || type == TEXT) { 1012 continue; 1013 } 1014 String tag = parser.getName(); 1015 if (TAG_POLICIES.equals(tag)) { 1016 info.readPoliciesFromXml(parser); 1017 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 1018 minimumPasswordMetrics.quality = Integer.parseInt( 1019 parser.getAttributeValue(null, ATTR_VALUE)); 1020 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 1021 minimumPasswordMetrics.length = Integer.parseInt( 1022 parser.getAttributeValue(null, ATTR_VALUE)); 1023 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 1024 passwordHistoryLength = Integer.parseInt( 1025 parser.getAttributeValue(null, ATTR_VALUE)); 1026 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 1027 minimumPasswordMetrics.upperCase = Integer.parseInt( 1028 parser.getAttributeValue(null, ATTR_VALUE)); 1029 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 1030 minimumPasswordMetrics.lowerCase = Integer.parseInt( 1031 parser.getAttributeValue(null, ATTR_VALUE)); 1032 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 1033 minimumPasswordMetrics.letters = Integer.parseInt( 1034 parser.getAttributeValue(null, ATTR_VALUE)); 1035 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 1036 minimumPasswordMetrics.numeric = Integer.parseInt( 1037 parser.getAttributeValue(null, ATTR_VALUE)); 1038 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 1039 minimumPasswordMetrics.symbols = Integer.parseInt( 1040 parser.getAttributeValue(null, ATTR_VALUE)); 1041 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 1042 minimumPasswordMetrics.nonLetter = Integer.parseInt( 1043 parser.getAttributeValue(null, ATTR_VALUE)); 1044 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 1045 maximumTimeToUnlock = Long.parseLong( 1046 parser.getAttributeValue(null, ATTR_VALUE)); 1047 } else if (TAG_STRONG_AUTH_UNLOCK_TIMEOUT.equals(tag)) { 1048 strongAuthUnlockTimeout = Long.parseLong( 1049 parser.getAttributeValue(null, ATTR_VALUE)); 1050 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 1051 maximumFailedPasswordsForWipe = Integer.parseInt( 1052 parser.getAttributeValue(null, ATTR_VALUE)); 1053 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 1054 specifiesGlobalProxy = Boolean.parseBoolean( 1055 parser.getAttributeValue(null, ATTR_VALUE)); 1056 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 1057 globalProxySpec = 1058 parser.getAttributeValue(null, ATTR_VALUE); 1059 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 1060 globalProxyExclusionList = 1061 parser.getAttributeValue(null, ATTR_VALUE); 1062 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 1063 passwordExpirationTimeout = Long.parseLong( 1064 parser.getAttributeValue(null, ATTR_VALUE)); 1065 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 1066 passwordExpirationDate = Long.parseLong( 1067 parser.getAttributeValue(null, ATTR_VALUE)); 1068 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 1069 encryptionRequested = Boolean.parseBoolean( 1070 parser.getAttributeValue(null, ATTR_VALUE)); 1071 } else if (TAG_TEST_ONLY_ADMIN.equals(tag)) { 1072 testOnlyAdmin = Boolean.parseBoolean( 1073 parser.getAttributeValue(null, ATTR_VALUE)); 1074 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 1075 disableCamera = Boolean.parseBoolean( 1076 parser.getAttributeValue(null, ATTR_VALUE)); 1077 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 1078 disableCallerId = Boolean.parseBoolean( 1079 parser.getAttributeValue(null, ATTR_VALUE)); 1080 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 1081 disableContactsSearch = Boolean.parseBoolean( 1082 parser.getAttributeValue(null, ATTR_VALUE)); 1083 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 1084 disableBluetoothContactSharing = Boolean.parseBoolean(parser 1085 .getAttributeValue(null, ATTR_VALUE)); 1086 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 1087 disableScreenCapture = Boolean.parseBoolean( 1088 parser.getAttributeValue(null, ATTR_VALUE)); 1089 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 1090 requireAutoTime = Boolean.parseBoolean( 1091 parser.getAttributeValue(null, ATTR_VALUE)); 1092 } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) { 1093 forceEphemeralUsers = Boolean.parseBoolean( 1094 parser.getAttributeValue(null, ATTR_VALUE)); 1095 } else if (TAG_IS_NETWORK_LOGGING_ENABLED.equals(tag)) { 1096 isNetworkLoggingEnabled = Boolean.parseBoolean( 1097 parser.getAttributeValue(null, ATTR_VALUE)); 1098 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 1099 disabledKeyguardFeatures = Integer.parseInt( 1100 parser.getAttributeValue(null, ATTR_VALUE)); 1101 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 1102 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 1103 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 1104 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 1105 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 1106 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 1107 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 1108 permittedAccessiblityServices = readPackageList(parser, tag); 1109 } else if (TAG_PERMITTED_IMES.equals(tag)) { 1110 permittedInputMethods = readPackageList(parser, tag); 1111 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 1112 keepUninstalledPackages = readPackageList(parser, tag); 1113 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 1114 UserRestrictionsUtils.readRestrictions(parser, ensureUserRestrictions()); 1115 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 1116 type = parser.next(); 1117 if (type == XmlPullParser.TEXT) { 1118 shortSupportMessage = parser.getText(); 1119 } else { 1120 Log.w(LOG_TAG, "Missing text when loading short support message"); 1121 } 1122 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 1123 type = parser.next(); 1124 if (type == XmlPullParser.TEXT) { 1125 longSupportMessage = parser.getText(); 1126 } else { 1127 Log.w(LOG_TAG, "Missing text when loading long support message"); 1128 } 1129 } else if (TAG_PARENT_ADMIN.equals(tag)) { 1130 Preconditions.checkState(!isParent); 1131 1132 parentAdmin = new ActiveAdmin(info, /* parent */ true); 1133 parentAdmin.readFromXml(parser); 1134 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 1135 organizationColor = Integer.parseInt( 1136 parser.getAttributeValue(null, ATTR_VALUE)); 1137 } else if (TAG_ORGANIZATION_NAME.equals(tag)) { 1138 type = parser.next(); 1139 if (type == XmlPullParser.TEXT) { 1140 organizationName = parser.getText(); 1141 } else { 1142 Log.w(LOG_TAG, "Missing text when loading organization name"); 1143 } 1144 } else { 1145 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 1146 XmlUtils.skipCurrentTag(parser); 1147 } 1148 } 1149 } 1150 1151 private List<String> readPackageList(XmlPullParser parser, 1152 String tag) throws XmlPullParserException, IOException { 1153 List<String> result = new ArrayList<String>(); 1154 int outerDepth = parser.getDepth(); 1155 int outerType; 1156 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 1157 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1158 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 1159 continue; 1160 } 1161 String outerTag = parser.getName(); 1162 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 1163 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 1164 if (packageName != null) { 1165 result.add(packageName); 1166 } else { 1167 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 1168 } 1169 } else { 1170 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 1171 } 1172 } 1173 return result; 1174 } 1175 1176 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 1177 throws XmlPullParserException, IOException { 1178 int outerDepthDAM = parser.getDepth(); 1179 int typeDAM; 1180 Set<String> result = new ArraySet<>(); 1181 while ((typeDAM=parser.next()) != END_DOCUMENT 1182 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1183 if (typeDAM == END_TAG || typeDAM == TEXT) { 1184 continue; 1185 } 1186 String tagDAM = parser.getName(); 1187 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 1188 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1189 } else { 1190 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1191 } 1192 } 1193 return result; 1194 } 1195 1196 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1197 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1198 int outerDepthDAM = parser.getDepth(); 1199 int typeDAM; 1200 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1201 while ((typeDAM=parser.next()) != END_DOCUMENT 1202 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1203 if (typeDAM == END_TAG || typeDAM == TEXT) { 1204 continue; 1205 } 1206 String tagDAM = parser.getName(); 1207 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1208 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1209 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1210 result.put(component, trustAgentInfo); 1211 } else { 1212 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1213 } 1214 } 1215 return result; 1216 } 1217 1218 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1219 throws XmlPullParserException, IOException { 1220 int outerDepthDAM = parser.getDepth(); 1221 int typeDAM; 1222 TrustAgentInfo result = new TrustAgentInfo(null); 1223 while ((typeDAM=parser.next()) != END_DOCUMENT 1224 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1225 if (typeDAM == END_TAG || typeDAM == TEXT) { 1226 continue; 1227 } 1228 String tagDAM = parser.getName(); 1229 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1230 result.options = PersistableBundle.restoreFromXml(parser); 1231 } else { 1232 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1233 } 1234 } 1235 return result; 1236 } 1237 1238 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 1239 throws XmlPullParserException, IOException { 1240 int outerDepthDAM = parser.getDepth(); 1241 int typeDAM; 1242 ArrayList<String> result = null; 1243 while ((typeDAM=parser.next()) != END_DOCUMENT 1244 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1245 if (typeDAM == END_TAG || typeDAM == TEXT) { 1246 continue; 1247 } 1248 String tagDAM = parser.getName(); 1249 if (TAG_PROVIDER.equals(tagDAM)) { 1250 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 1251 if (result == null) { 1252 result = new ArrayList<>(); 1253 } 1254 result.add(provider); 1255 } else { 1256 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1257 } 1258 } 1259 return result; 1260 } 1261 1262 boolean hasUserRestrictions() { 1263 return userRestrictions != null && userRestrictions.size() > 0; 1264 } 1265 1266 Bundle ensureUserRestrictions() { 1267 if (userRestrictions == null) { 1268 userRestrictions = new Bundle(); 1269 } 1270 return userRestrictions; 1271 } 1272 1273 void dump(String prefix, PrintWriter pw) { 1274 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1275 pw.print(prefix); pw.print("testOnlyAdmin="); 1276 pw.println(testOnlyAdmin); 1277 pw.print(prefix); pw.println("policies:"); 1278 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1279 if (pols != null) { 1280 for (int i=0; i<pols.size(); i++) { 1281 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1282 } 1283 } 1284 pw.print(prefix); pw.print("passwordQuality=0x"); 1285 pw.println(Integer.toHexString(minimumPasswordMetrics.quality)); 1286 pw.print(prefix); pw.print("minimumPasswordLength="); 1287 pw.println(minimumPasswordMetrics.length); 1288 pw.print(prefix); pw.print("passwordHistoryLength="); 1289 pw.println(passwordHistoryLength); 1290 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1291 pw.println(minimumPasswordMetrics.upperCase); 1292 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1293 pw.println(minimumPasswordMetrics.lowerCase); 1294 pw.print(prefix); pw.print("minimumPasswordLetters="); 1295 pw.println(minimumPasswordMetrics.letters); 1296 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1297 pw.println(minimumPasswordMetrics.numeric); 1298 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1299 pw.println(minimumPasswordMetrics.symbols); 1300 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1301 pw.println(minimumPasswordMetrics.nonLetter); 1302 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1303 pw.println(maximumTimeToUnlock); 1304 pw.print(prefix); pw.print("strongAuthUnlockTimeout="); 1305 pw.println(strongAuthUnlockTimeout); 1306 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1307 pw.println(maximumFailedPasswordsForWipe); 1308 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1309 pw.println(specifiesGlobalProxy); 1310 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1311 pw.println(passwordExpirationTimeout); 1312 pw.print(prefix); pw.print("passwordExpirationDate="); 1313 pw.println(passwordExpirationDate); 1314 if (globalProxySpec != null) { 1315 pw.print(prefix); pw.print("globalProxySpec="); 1316 pw.println(globalProxySpec); 1317 } 1318 if (globalProxyExclusionList != null) { 1319 pw.print(prefix); pw.print("globalProxyEclusionList="); 1320 pw.println(globalProxyExclusionList); 1321 } 1322 pw.print(prefix); pw.print("encryptionRequested="); 1323 pw.println(encryptionRequested); 1324 pw.print(prefix); pw.print("disableCamera="); 1325 pw.println(disableCamera); 1326 pw.print(prefix); pw.print("disableCallerId="); 1327 pw.println(disableCallerId); 1328 pw.print(prefix); pw.print("disableContactsSearch="); 1329 pw.println(disableContactsSearch); 1330 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1331 pw.println(disableBluetoothContactSharing); 1332 pw.print(prefix); pw.print("disableScreenCapture="); 1333 pw.println(disableScreenCapture); 1334 pw.print(prefix); pw.print("requireAutoTime="); 1335 pw.println(requireAutoTime); 1336 pw.print(prefix); pw.print("forceEphemeralUsers="); 1337 pw.println(forceEphemeralUsers); 1338 pw.print(prefix); pw.print("isNetworkLoggingEnabled="); 1339 pw.println(isNetworkLoggingEnabled); 1340 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1341 pw.println(disabledKeyguardFeatures); 1342 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1343 pw.println(crossProfileWidgetProviders); 1344 if (permittedAccessiblityServices != null) { 1345 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1346 pw.println(permittedAccessiblityServices); 1347 } 1348 if (permittedInputMethods != null) { 1349 pw.print(prefix); pw.print("permittedInputMethods="); 1350 pw.println(permittedInputMethods); 1351 } 1352 if (keepUninstalledPackages != null) { 1353 pw.print(prefix); pw.print("keepUninstalledPackages="); 1354 pw.println(keepUninstalledPackages); 1355 } 1356 pw.print(prefix); pw.print("organizationColor="); 1357 pw.println(organizationColor); 1358 if (organizationName != null) { 1359 pw.print(prefix); pw.print("organizationName="); 1360 pw.println(organizationName); 1361 } 1362 pw.print(prefix); pw.println("userRestrictions:"); 1363 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1364 pw.print(prefix); pw.print("isParent="); 1365 pw.println(isParent); 1366 if (parentAdmin != null) { 1367 pw.print(prefix); pw.println("parentAdmin:"); 1368 parentAdmin.dump(prefix + " ", pw); 1369 } 1370 } 1371 } 1372 1373 private void handlePackagesChanged(String packageName, int userHandle) { 1374 boolean removed = false; 1375 if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 1376 DevicePolicyData policy = getUserData(userHandle); 1377 synchronized (this) { 1378 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1379 ActiveAdmin aa = policy.mAdminList.get(i); 1380 try { 1381 // If we're checking all packages or if the specific one we're checking matches, 1382 // then check if the package and receiver still exist. 1383 final String adminPackage = aa.info.getPackageName(); 1384 if (packageName == null || packageName.equals(adminPackage)) { 1385 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1386 || mIPackageManager.getReceiverInfo(aa.info.getComponent(), 1387 PackageManager.MATCH_DIRECT_BOOT_AWARE 1388 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 1389 userHandle) == null) { 1390 removed = true; 1391 policy.mAdminList.remove(i); 1392 policy.mAdminMap.remove(aa.info.getComponent()); 1393 } 1394 } 1395 } catch (RemoteException re) { 1396 // Shouldn't happen 1397 } 1398 } 1399 if (removed) { 1400 validatePasswordOwnerLocked(policy); 1401 saveSettingsLocked(policy.mUserHandle); 1402 } 1403 1404 // Check if delegated cert installer or app restrictions managing packages are removed. 1405 if (isRemovedPackage(packageName, policy.mDelegatedCertInstallerPackage, userHandle)) { 1406 policy.mDelegatedCertInstallerPackage = null; 1407 saveSettingsLocked(policy.mUserHandle); 1408 } 1409 if (isRemovedPackage( 1410 packageName, policy.mApplicationRestrictionsManagingPackage, userHandle)) { 1411 policy.mApplicationRestrictionsManagingPackage = null; 1412 saveSettingsLocked(policy.mUserHandle); 1413 } 1414 } 1415 if (removed) { 1416 // The removed admin might have disabled camera, so update user restrictions. 1417 pushUserRestrictions(userHandle); 1418 } 1419 } 1420 1421 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1422 try { 1423 return targetPackage != null 1424 && (changedPackage == null || changedPackage.equals(targetPackage)) 1425 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1426 } catch (RemoteException e) { 1427 // Shouldn't happen 1428 } 1429 1430 return false; 1431 } 1432 1433 /** 1434 * Unit test will subclass it to inject mocks. 1435 */ 1436 @VisibleForTesting 1437 static class Injector { 1438 1439 private final Context mContext; 1440 1441 Injector(Context context) { 1442 mContext = context; 1443 } 1444 1445 Owners newOwners() { 1446 return new Owners(getUserManager(), getUserManagerInternal(), 1447 getPackageManagerInternal()); 1448 } 1449 1450 UserManager getUserManager() { 1451 return UserManager.get(mContext); 1452 } 1453 1454 UserManagerInternal getUserManagerInternal() { 1455 return LocalServices.getService(UserManagerInternal.class); 1456 } 1457 1458 PackageManagerInternal getPackageManagerInternal() { 1459 return LocalServices.getService(PackageManagerInternal.class); 1460 } 1461 1462 NotificationManager getNotificationManager() { 1463 return mContext.getSystemService(NotificationManager.class); 1464 } 1465 1466 IIpConnectivityMetrics getIIpConnectivityMetrics() { 1467 return (IIpConnectivityMetrics) IIpConnectivityMetrics.Stub.asInterface( 1468 ServiceManager.getService(IpConnectivityLog.SERVICE_NAME)); 1469 } 1470 1471 PackageManager getPackageManager() { 1472 return mContext.getPackageManager(); 1473 } 1474 1475 PowerManagerInternal getPowerManagerInternal() { 1476 return LocalServices.getService(PowerManagerInternal.class); 1477 } 1478 1479 TelephonyManager getTelephonyManager() { 1480 return TelephonyManager.from(mContext); 1481 } 1482 1483 IWindowManager getIWindowManager() { 1484 return IWindowManager.Stub 1485 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1486 } 1487 1488 IActivityManager getIActivityManager() { 1489 return ActivityManager.getService(); 1490 } 1491 1492 IPackageManager getIPackageManager() { 1493 return AppGlobals.getPackageManager(); 1494 } 1495 1496 IBackupManager getIBackupManager() { 1497 return IBackupManager.Stub.asInterface( 1498 ServiceManager.getService(Context.BACKUP_SERVICE)); 1499 } 1500 1501 IAudioService getIAudioService() { 1502 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1503 } 1504 1505 boolean isBuildDebuggable() { 1506 return Build.IS_DEBUGGABLE; 1507 } 1508 1509 LockPatternUtils newLockPatternUtils() { 1510 return new LockPatternUtils(mContext); 1511 } 1512 1513 boolean storageManagerIsFileBasedEncryptionEnabled() { 1514 return StorageManager.isFileEncryptedNativeOnly(); 1515 } 1516 1517 boolean storageManagerIsNonDefaultBlockEncrypted() { 1518 long identity = Binder.clearCallingIdentity(); 1519 try { 1520 return StorageManager.isNonDefaultBlockEncrypted(); 1521 } finally { 1522 Binder.restoreCallingIdentity(identity); 1523 } 1524 } 1525 1526 boolean storageManagerIsEncrypted() { 1527 return StorageManager.isEncrypted(); 1528 } 1529 1530 boolean storageManagerIsEncryptable() { 1531 return StorageManager.isEncryptable(); 1532 } 1533 1534 Looper getMyLooper() { 1535 return Looper.myLooper(); 1536 } 1537 1538 WifiManager getWifiManager() { 1539 return mContext.getSystemService(WifiManager.class); 1540 } 1541 1542 long binderClearCallingIdentity() { 1543 return Binder.clearCallingIdentity(); 1544 } 1545 1546 void binderRestoreCallingIdentity(long token) { 1547 Binder.restoreCallingIdentity(token); 1548 } 1549 1550 int binderGetCallingUid() { 1551 return Binder.getCallingUid(); 1552 } 1553 1554 int binderGetCallingPid() { 1555 return Binder.getCallingPid(); 1556 } 1557 1558 UserHandle binderGetCallingUserHandle() { 1559 return Binder.getCallingUserHandle(); 1560 } 1561 1562 boolean binderIsCallingUidMyUid() { 1563 return getCallingUid() == Process.myUid(); 1564 } 1565 1566 final int userHandleGetCallingUserId() { 1567 return UserHandle.getUserId(binderGetCallingUid()); 1568 } 1569 1570 File environmentGetUserSystemDirectory(int userId) { 1571 return Environment.getUserSystemDirectory(userId); 1572 } 1573 1574 void powerManagerGoToSleep(long time, int reason, int flags) { 1575 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1576 } 1577 1578 void powerManagerReboot(String reason) { 1579 mContext.getSystemService(PowerManager.class).reboot(reason); 1580 } 1581 1582 boolean systemPropertiesGetBoolean(String key, boolean def) { 1583 return SystemProperties.getBoolean(key, def); 1584 } 1585 1586 long systemPropertiesGetLong(String key, long def) { 1587 return SystemProperties.getLong(key, def); 1588 } 1589 1590 String systemPropertiesGet(String key, String def) { 1591 return SystemProperties.get(key, def); 1592 } 1593 1594 String systemPropertiesGet(String key) { 1595 return SystemProperties.get(key); 1596 } 1597 1598 void systemPropertiesSet(String key, String value) { 1599 SystemProperties.set(key, value); 1600 } 1601 1602 boolean userManagerIsSplitSystemUser() { 1603 return UserManager.isSplitSystemUser(); 1604 } 1605 1606 String getDevicePolicyFilePathForSystemUser() { 1607 return "/data/system/"; 1608 } 1609 1610 void registerContentObserver(Uri uri, boolean notifyForDescendents, 1611 ContentObserver observer, int userHandle) { 1612 mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, 1613 observer, userHandle); 1614 } 1615 1616 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1617 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1618 name, def, userHandle); 1619 } 1620 1621 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1622 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1623 name, value, userHandle); 1624 } 1625 1626 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1627 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1628 name, value, userHandle); 1629 } 1630 1631 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1632 Settings.Global.putStringForUser(mContext.getContentResolver(), 1633 name, value, userHandle); 1634 } 1635 1636 void settingsSecurePutInt(String name, int value) { 1637 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1638 } 1639 1640 int settingsGlobalGetInt(String name, int def) { 1641 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1642 } 1643 1644 void settingsGlobalPutInt(String name, int value) { 1645 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1646 } 1647 1648 void settingsSecurePutString(String name, String value) { 1649 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1650 } 1651 1652 void settingsGlobalPutString(String name, String value) { 1653 Settings.Global.putString(mContext.getContentResolver(), name, value); 1654 } 1655 1656 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1657 SecurityLog.setLoggingEnabledProperty(enabled); 1658 } 1659 1660 boolean securityLogGetLoggingEnabledProperty() { 1661 return SecurityLog.getLoggingEnabledProperty(); 1662 } 1663 1664 boolean securityLogIsLoggingEnabled() { 1665 return SecurityLog.isLoggingEnabled(); 1666 } 1667 } 1668 1669 /** 1670 * Instantiates the service. 1671 */ 1672 public DevicePolicyManagerService(Context context) { 1673 this(new Injector(context)); 1674 } 1675 1676 @VisibleForTesting 1677 DevicePolicyManagerService(Injector injector) { 1678 mInjector = injector; 1679 mContext = Preconditions.checkNotNull(injector.mContext); 1680 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1681 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1682 1683 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1684 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1685 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1686 mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); 1687 1688 mLocalService = new LocalService(); 1689 mLockPatternUtils = injector.newLockPatternUtils(); 1690 1691 mSecurityLogMonitor = new SecurityLogMonitor(this); 1692 1693 mHasFeature = mContext.getPackageManager() 1694 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1695 mIsWatch = mContext.getPackageManager() 1696 .hasSystemFeature(PackageManager.FEATURE_WATCH); 1697 if (!mHasFeature) { 1698 // Skip the rest of the initialization 1699 return; 1700 } 1701 IntentFilter filter = new IntentFilter(); 1702 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1703 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1704 filter.addAction(Intent.ACTION_USER_ADDED); 1705 filter.addAction(Intent.ACTION_USER_REMOVED); 1706 filter.addAction(Intent.ACTION_USER_STARTED); 1707 filter.addAction(Intent.ACTION_USER_UNLOCKED); 1708 filter.addAction(KeyChain.ACTION_TRUST_STORE_CHANGED); 1709 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1710 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1711 filter = new IntentFilter(); 1712 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1713 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1714 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1715 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1716 filter.addDataScheme("package"); 1717 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1718 filter = new IntentFilter(); 1719 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1720 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1721 1722 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1723 } 1724 1725 /** 1726 * Creates and loads the policy data from xml. 1727 * @param userHandle the user for whom to load the policy data 1728 * @return 1729 */ 1730 @NonNull 1731 DevicePolicyData getUserData(int userHandle) { 1732 synchronized (this) { 1733 DevicePolicyData policy = mUserData.get(userHandle); 1734 if (policy == null) { 1735 policy = new DevicePolicyData(userHandle); 1736 mUserData.append(userHandle, policy); 1737 loadSettingsLocked(policy, userHandle); 1738 } 1739 return policy; 1740 } 1741 } 1742 1743 /** 1744 * Creates and loads the policy data from xml for data that is shared between 1745 * various profiles of a user. In contrast to {@link #getUserData(int)} 1746 * it allows access to data of users other than the calling user. 1747 * 1748 * This function should only be used for shared data, e.g. everything regarding 1749 * passwords and should be removed once multiple screen locks are present. 1750 * @param userHandle the user for whom to load the policy data 1751 * @return 1752 */ 1753 DevicePolicyData getUserDataUnchecked(int userHandle) { 1754 long ident = mInjector.binderClearCallingIdentity(); 1755 try { 1756 return getUserData(userHandle); 1757 } finally { 1758 mInjector.binderRestoreCallingIdentity(ident); 1759 } 1760 } 1761 1762 void removeUserData(int userHandle) { 1763 synchronized (this) { 1764 if (userHandle == UserHandle.USER_SYSTEM) { 1765 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1766 return; 1767 } 1768 mOwners.removeProfileOwner(userHandle); 1769 mOwners.writeProfileOwner(userHandle); 1770 1771 DevicePolicyData policy = mUserData.get(userHandle); 1772 if (policy != null) { 1773 mUserData.remove(userHandle); 1774 } 1775 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1776 DEVICE_POLICIES_XML); 1777 policyFile.delete(); 1778 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1779 } 1780 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1781 } 1782 1783 void loadOwners() { 1784 synchronized (this) { 1785 mOwners.load(); 1786 setDeviceOwnerSystemPropertyLocked(); 1787 findOwnerComponentIfNecessaryLocked(); 1788 migrateUserRestrictionsIfNecessaryLocked(); 1789 1790 // TODO PO may not have a class name either due to b/17652534. Address that too. 1791 1792 updateDeviceOwnerLocked(); 1793 } 1794 } 1795 1796 private void setDeviceOwnerSystemPropertyLocked() { 1797 // Device owner may still be provisioned, do not set the read-only system property yet. 1798 if (mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) == 0) { 1799 return; 1800 } 1801 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 1802 // always false at this point. 1803 if (StorageManager.inCryptKeeperBounce()) { 1804 return; 1805 } 1806 1807 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 1808 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 1809 } else { 1810 if (mOwners.hasDeviceOwner()) { 1811 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 1812 Slog.i(LOG_TAG, "Set ro.device_owner property to true"); 1813 disableDeviceOwnerManagedSingleUserFeaturesIfNeeded(); 1814 if (mInjector.securityLogGetLoggingEnabledProperty()) { 1815 mSecurityLogMonitor.start(); 1816 } 1817 } else { 1818 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 1819 Slog.i(LOG_TAG, "Set ro.device_owner property to false"); 1820 } 1821 } 1822 } 1823 1824 private void findOwnerComponentIfNecessaryLocked() { 1825 if (!mOwners.hasDeviceOwner()) { 1826 return; 1827 } 1828 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1829 1830 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1831 return; // Already a full component name. 1832 } 1833 1834 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1835 doComponentName.getPackageName(), 1836 mOwners.getDeviceOwnerUserId()); 1837 if (doComponent == null) { 1838 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1839 } else { 1840 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1841 doComponent, 1842 mOwners.getDeviceOwnerName(), 1843 mOwners.getDeviceOwnerUserId(), 1844 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1845 mOwners.writeDeviceOwner(); 1846 if (VERBOSE_LOG) { 1847 Log.v(LOG_TAG, "Device owner component filled in"); 1848 } 1849 } 1850 } 1851 1852 /** 1853 * We didn't use to persist user restrictions for each owners but only persisted in user 1854 * manager. 1855 */ 1856 private void migrateUserRestrictionsIfNecessaryLocked() { 1857 boolean migrated = false; 1858 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 1859 // except for the "system controlled" ones. 1860 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 1861 if (VERBOSE_LOG) { 1862 Log.v(LOG_TAG, "Migrating DO user restrictions"); 1863 } 1864 migrated = true; 1865 1866 // Migrate user 0 restrictions to DO. 1867 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 1868 1869 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 1870 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 1871 1872 // Push DO user restrictions to user manager. 1873 pushUserRestrictions(UserHandle.USER_SYSTEM); 1874 1875 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 1876 } 1877 1878 // Migrate for POs. 1879 1880 // The following restrictions can be set on secondary users by the device owner, so we 1881 // assume they're not from the PO. 1882 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 1883 UserManager.DISALLOW_OUTGOING_CALLS, 1884 UserManager.DISALLOW_SMS); 1885 1886 for (UserInfo ui : mUserManager.getUsers()) { 1887 final int userId = ui.id; 1888 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 1889 if (VERBOSE_LOG) { 1890 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 1891 } 1892 migrated = true; 1893 1894 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 1895 1896 final Set<String> exceptionList = 1897 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 1898 1899 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 1900 exceptionList, /* isDeviceOwner =*/ false); 1901 1902 // Note if a secondary user has no PO but has a DA that disables camera, we 1903 // don't get here and won't push the camera user restriction to UserManager 1904 // here. That's okay because we'll push user restrictions anyway when a user 1905 // starts. But we still do it because we want to let user manager persist 1906 // upon migration. 1907 pushUserRestrictions(userId); 1908 1909 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 1910 } 1911 } 1912 if (VERBOSE_LOG && migrated) { 1913 Log.v(LOG_TAG, "User restrictions migrated."); 1914 } 1915 } 1916 1917 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 1918 Set<String> exceptionList, boolean isDeviceOwner) { 1919 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 1920 user.getIdentifier()); 1921 1922 final Bundle newBaseRestrictions = new Bundle(); 1923 final Bundle newOwnerRestrictions = new Bundle(); 1924 1925 for (String key : origRestrictions.keySet()) { 1926 if (!origRestrictions.getBoolean(key)) { 1927 continue; 1928 } 1929 final boolean canOwnerChange = isDeviceOwner 1930 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 1931 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 1932 1933 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 1934 newBaseRestrictions.putBoolean(key, true); 1935 } else { 1936 newOwnerRestrictions.putBoolean(key, true); 1937 } 1938 } 1939 1940 if (VERBOSE_LOG) { 1941 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 1942 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 1943 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 1944 } 1945 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 1946 newBaseRestrictions); 1947 1948 if (admin != null) { 1949 admin.ensureUserRestrictions().clear(); 1950 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 1951 } else { 1952 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 1953 } 1954 saveSettingsLocked(user.getIdentifier()); 1955 } 1956 1957 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 1958 final DevicePolicyData policy = getUserData(userId); 1959 final int n = policy.mAdminList.size(); 1960 ComponentName found = null; 1961 int nFound = 0; 1962 for (int i = 0; i < n; i++) { 1963 final ActiveAdmin admin = policy.mAdminList.get(i); 1964 if (packageName.equals(admin.info.getPackageName())) { 1965 // Found! 1966 if (nFound == 0) { 1967 found = admin.info.getComponent(); 1968 } 1969 nFound++; 1970 } 1971 } 1972 if (nFound > 1) { 1973 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 1974 } 1975 return found; 1976 } 1977 1978 /** 1979 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 1980 * reminders. Clears alarm if no expirations are configured. 1981 */ 1982 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 1983 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 1984 final long now = System.currentTimeMillis(); 1985 final long timeToExpire = expiration - now; 1986 final long alarmTime; 1987 if (expiration == 0) { 1988 // No expirations are currently configured: Cancel alarm. 1989 alarmTime = 0; 1990 } else if (timeToExpire <= 0) { 1991 // The password has already expired: Repeat every 24 hours. 1992 alarmTime = now + MS_PER_DAY; 1993 } else { 1994 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 1995 // the expiration time. 1996 long alarmInterval = timeToExpire % MS_PER_DAY; 1997 if (alarmInterval == 0) { 1998 alarmInterval = MS_PER_DAY; 1999 } 2000 alarmTime = now + alarmInterval; 2001 } 2002 2003 long token = mInjector.binderClearCallingIdentity(); 2004 try { 2005 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 2006 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 2007 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 2008 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 2009 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 2010 UserHandle.of(affectedUserHandle)); 2011 am.cancel(pi); 2012 if (alarmTime != 0) { 2013 am.set(AlarmManager.RTC, alarmTime, pi); 2014 } 2015 } finally { 2016 mInjector.binderRestoreCallingIdentity(token); 2017 } 2018 } 2019 2020 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 2021 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 2022 if (admin != null 2023 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 2024 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 2025 return admin; 2026 } 2027 return null; 2028 } 2029 2030 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 2031 if (parent) { 2032 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 2033 } 2034 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2035 if (admin != null && parent) { 2036 admin = admin.getParentActiveAdmin(); 2037 } 2038 return admin; 2039 } 2040 2041 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 2042 throws SecurityException { 2043 final int callingUid = mInjector.binderGetCallingUid(); 2044 2045 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 2046 if (result != null) { 2047 return result; 2048 } 2049 2050 if (who != null) { 2051 final int userId = UserHandle.getUserId(callingUid); 2052 final DevicePolicyData policy = getUserData(userId); 2053 ActiveAdmin admin = policy.mAdminMap.get(who); 2054 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2055 throw new SecurityException("Admin " + admin.info.getComponent() 2056 + " does not own the device"); 2057 } 2058 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2059 throw new SecurityException("Admin " + admin.info.getComponent() 2060 + " does not own the profile"); 2061 } 2062 throw new SecurityException("Admin " + admin.info.getComponent() 2063 + " did not specify uses-policy for: " 2064 + admin.info.getTagForPolicy(reqPolicy)); 2065 } else { 2066 throw new SecurityException("No active admin owned by uid " 2067 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 2068 } 2069 } 2070 2071 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 2072 throws SecurityException { 2073 if (parent) { 2074 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 2075 "call APIs on the parent profile"); 2076 } 2077 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 2078 return parent ? admin.getParentActiveAdmin() : admin; 2079 } 2080 /** 2081 * Find the admin for the component and userId bit of the uid, then check 2082 * the admin's uid matches the uid. 2083 */ 2084 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 2085 final int userId = UserHandle.getUserId(uid); 2086 final DevicePolicyData policy = getUserData(userId); 2087 ActiveAdmin admin = policy.mAdminMap.get(who); 2088 if (admin == null) { 2089 throw new SecurityException("No active admin " + who); 2090 } 2091 if (admin.getUid() != uid) { 2092 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2093 } 2094 return admin; 2095 } 2096 2097 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 2098 int uid) { 2099 // Try to find an admin which can use reqPolicy 2100 final int userId = UserHandle.getUserId(uid); 2101 final DevicePolicyData policy = getUserData(userId); 2102 if (who != null) { 2103 ActiveAdmin admin = policy.mAdminMap.get(who); 2104 if (admin == null) { 2105 throw new SecurityException("No active admin " + who); 2106 } 2107 if (admin.getUid() != uid) { 2108 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2109 } 2110 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 2111 return admin; 2112 } 2113 } else { 2114 for (ActiveAdmin admin : policy.mAdminList) { 2115 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 2116 userId)) { 2117 return admin; 2118 } 2119 } 2120 } 2121 2122 return null; 2123 } 2124 2125 @VisibleForTesting 2126 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 2127 int userId) { 2128 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 2129 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 2130 2131 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2132 return ownsDevice; 2133 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2134 // DO always has the PO power. 2135 return ownsDevice || ownsProfile; 2136 } else { 2137 return admin.info.usesPolicy(reqPolicy); 2138 } 2139 } 2140 2141 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 2142 sendAdminCommandLocked(admin, action, null); 2143 } 2144 2145 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 2146 sendAdminCommandLocked(admin, action, null, result); 2147 } 2148 2149 /** 2150 * Send an update to one specific admin, get notified when that admin returns a result. 2151 */ 2152 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 2153 BroadcastReceiver result) { 2154 Intent intent = new Intent(action); 2155 intent.setComponent(admin.info.getComponent()); 2156 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 2157 intent.putExtra("expiration", admin.passwordExpirationDate); 2158 } 2159 if (adminExtras != null) { 2160 intent.putExtras(adminExtras); 2161 } 2162 if (result != null) { 2163 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2164 null, result, mHandler, Activity.RESULT_OK, null, null); 2165 } else { 2166 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2167 } 2168 } 2169 2170 /** 2171 * Send an update to all admins of a user that enforce a specified policy. 2172 */ 2173 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 2174 final DevicePolicyData policy = getUserData(userHandle); 2175 final int count = policy.mAdminList.size(); 2176 if (count > 0) { 2177 for (int i = 0; i < count; i++) { 2178 final ActiveAdmin admin = policy.mAdminList.get(i); 2179 if (admin.info.usesPolicy(reqPolicy)) { 2180 sendAdminCommandLocked(admin, action); 2181 } 2182 } 2183 } 2184 } 2185 2186 /** 2187 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2188 * enforce a specified policy. 2189 */ 2190 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2191 int userHandle) { 2192 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 2193 for (int profileId : profileIds) { 2194 sendAdminCommandLocked(action, reqPolicy, profileId); 2195 } 2196 } 2197 2198 /** 2199 * Sends a broadcast to each profile that share the password unlock with the given user id. 2200 */ 2201 private void sendAdminCommandForLockscreenPoliciesLocked( 2202 String action, int reqPolicy, int userHandle) { 2203 if (isSeparateProfileChallengeEnabled(userHandle)) { 2204 sendAdminCommandLocked(action, reqPolicy, userHandle); 2205 } else { 2206 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle); 2207 } 2208 } 2209 2210 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2211 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2212 DevicePolicyData policy = getUserData(userHandle); 2213 if (admin != null && !policy.mRemovingAdmins.contains(adminReceiver)) { 2214 policy.mRemovingAdmins.add(adminReceiver); 2215 sendAdminCommandLocked(admin, 2216 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2217 new BroadcastReceiver() { 2218 @Override 2219 public void onReceive(Context context, Intent intent) { 2220 removeAdminArtifacts(adminReceiver, userHandle); 2221 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2222 } 2223 }); 2224 } 2225 } 2226 2227 2228 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2229 boolean throwForMissiongPermission) { 2230 if (!mHasFeature) { 2231 return null; 2232 } 2233 enforceFullCrossUsersPermission(userHandle); 2234 ActivityInfo ai = null; 2235 try { 2236 ai = mIPackageManager.getReceiverInfo(adminName, 2237 PackageManager.GET_META_DATA | 2238 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | 2239 PackageManager.MATCH_DIRECT_BOOT_AWARE | 2240 PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); 2241 } catch (RemoteException e) { 2242 // shouldn't happen. 2243 } 2244 if (ai == null) { 2245 throw new IllegalArgumentException("Unknown admin: " + adminName); 2246 } 2247 2248 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2249 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2250 + permission.BIND_DEVICE_ADMIN; 2251 Slog.w(LOG_TAG, message); 2252 if (throwForMissiongPermission && 2253 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2254 throw new IllegalArgumentException(message); 2255 } 2256 } 2257 2258 try { 2259 return new DeviceAdminInfo(mContext, ai); 2260 } catch (XmlPullParserException | IOException e) { 2261 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2262 e); 2263 return null; 2264 } 2265 } 2266 2267 private JournaledFile makeJournaledFile(int userHandle) { 2268 final String base = userHandle == UserHandle.USER_SYSTEM 2269 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2270 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2271 DEVICE_POLICIES_XML).getAbsolutePath(); 2272 if (VERBOSE_LOG) { 2273 Log.v(LOG_TAG, "Opening " + base); 2274 } 2275 return new JournaledFile(new File(base), new File(base + ".tmp")); 2276 } 2277 2278 private void saveSettingsLocked(int userHandle) { 2279 DevicePolicyData policy = getUserData(userHandle); 2280 JournaledFile journal = makeJournaledFile(userHandle); 2281 FileOutputStream stream = null; 2282 try { 2283 stream = new FileOutputStream(journal.chooseForWrite(), false); 2284 XmlSerializer out = new FastXmlSerializer(); 2285 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2286 out.startDocument(null, true); 2287 2288 out.startTag(null, "policies"); 2289 if (policy.mRestrictionsProvider != null) { 2290 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2291 policy.mRestrictionsProvider.flattenToString()); 2292 } 2293 if (policy.mUserSetupComplete) { 2294 out.attribute(null, ATTR_SETUP_COMPLETE, 2295 Boolean.toString(true)); 2296 } 2297 if (policy.mPaired) { 2298 out.attribute(null, ATTR_DEVICE_PAIRED, 2299 Boolean.toString(true)); 2300 } 2301 if (policy.mDeviceProvisioningConfigApplied) { 2302 out.attribute(null, ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED, 2303 Boolean.toString(true)); 2304 } 2305 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2306 out.attribute(null, ATTR_PROVISIONING_STATE, 2307 Integer.toString(policy.mUserProvisioningState)); 2308 } 2309 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2310 out.attribute(null, ATTR_PERMISSION_POLICY, 2311 Integer.toString(policy.mPermissionPolicy)); 2312 } 2313 if (policy.mDelegatedCertInstallerPackage != null) { 2314 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 2315 policy.mDelegatedCertInstallerPackage); 2316 } 2317 if (policy.mApplicationRestrictionsManagingPackage != null) { 2318 out.attribute(null, ATTR_APPLICATION_RESTRICTIONS_MANAGER, 2319 policy.mApplicationRestrictionsManagingPackage); 2320 } 2321 2322 final int N = policy.mAdminList.size(); 2323 for (int i=0; i<N; i++) { 2324 ActiveAdmin ap = policy.mAdminList.get(i); 2325 if (ap != null) { 2326 out.startTag(null, "admin"); 2327 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2328 ap.writeToXml(out); 2329 out.endTag(null, "admin"); 2330 } 2331 } 2332 2333 if (policy.mPasswordOwner >= 0) { 2334 out.startTag(null, "password-owner"); 2335 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2336 out.endTag(null, "password-owner"); 2337 } 2338 2339 if (policy.mFailedPasswordAttempts != 0) { 2340 out.startTag(null, "failed-password-attempts"); 2341 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2342 out.endTag(null, "failed-password-attempts"); 2343 } 2344 2345 final PasswordMetrics metrics = policy.mActivePasswordMetrics; 2346 if (!metrics.isDefault()) { 2347 out.startTag(null, "active-password"); 2348 out.attribute(null, "quality", Integer.toString(metrics.quality)); 2349 out.attribute(null, "length", Integer.toString(metrics.length)); 2350 out.attribute(null, "uppercase", Integer.toString(metrics.upperCase)); 2351 out.attribute(null, "lowercase", Integer.toString(metrics.lowerCase)); 2352 out.attribute(null, "letters", Integer.toString(metrics.letters)); 2353 out.attribute(null, "numeric", Integer.toString(metrics.numeric)); 2354 out.attribute(null, "symbols", Integer.toString(metrics.symbols)); 2355 out.attribute(null, "nonletter", Integer.toString(metrics.nonLetter)); 2356 out.endTag(null, "active-password"); 2357 } 2358 2359 for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { 2360 out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2361 out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); 2362 out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2363 } 2364 2365 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2366 String component = policy.mLockTaskPackages.get(i); 2367 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2368 out.attribute(null, "name", component); 2369 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2370 } 2371 2372 if (policy.mStatusBarDisabled) { 2373 out.startTag(null, TAG_STATUS_BAR); 2374 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2375 out.endTag(null, TAG_STATUS_BAR); 2376 } 2377 2378 if (policy.doNotAskCredentialsOnBoot) { 2379 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2380 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2381 } 2382 2383 for (String id : policy.mAffiliationIds) { 2384 out.startTag(null, TAG_AFFILIATION_ID); 2385 out.attribute(null, ATTR_ID, id); 2386 out.endTag(null, TAG_AFFILIATION_ID); 2387 } 2388 2389 if (policy.mLastSecurityLogRetrievalTime >= 0) { 2390 out.startTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2391 out.attribute(null, ATTR_VALUE, 2392 Long.toString(policy.mLastSecurityLogRetrievalTime)); 2393 out.endTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2394 } 2395 2396 if (policy.mLastBugReportRequestTime >= 0) { 2397 out.startTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2398 out.attribute(null, ATTR_VALUE, 2399 Long.toString(policy.mLastBugReportRequestTime)); 2400 out.endTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2401 } 2402 2403 if (policy.mLastNetworkLogsRetrievalTime >= 0) { 2404 out.startTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2405 out.attribute(null, ATTR_VALUE, 2406 Long.toString(policy.mLastNetworkLogsRetrievalTime)); 2407 out.endTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2408 } 2409 2410 if (policy.mAdminBroadcastPending) { 2411 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2412 out.attribute(null, ATTR_VALUE, 2413 Boolean.toString(policy.mAdminBroadcastPending)); 2414 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2415 } 2416 2417 if (policy.mInitBundle != null) { 2418 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2419 policy.mInitBundle.saveToXml(out); 2420 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2421 } 2422 2423 out.endTag(null, "policies"); 2424 2425 out.endDocument(); 2426 stream.flush(); 2427 FileUtils.sync(stream); 2428 stream.close(); 2429 journal.commit(); 2430 sendChangedNotification(userHandle); 2431 } catch (XmlPullParserException | IOException e) { 2432 Slog.w(LOG_TAG, "failed writing file", e); 2433 try { 2434 if (stream != null) { 2435 stream.close(); 2436 } 2437 } catch (IOException ex) { 2438 // Ignore 2439 } 2440 journal.rollback(); 2441 } 2442 } 2443 2444 private void sendChangedNotification(int userHandle) { 2445 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2446 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2447 long ident = mInjector.binderClearCallingIdentity(); 2448 try { 2449 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2450 } finally { 2451 mInjector.binderRestoreCallingIdentity(ident); 2452 } 2453 } 2454 2455 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2456 JournaledFile journal = makeJournaledFile(userHandle); 2457 FileInputStream stream = null; 2458 File file = journal.chooseForRead(); 2459 try { 2460 stream = new FileInputStream(file); 2461 XmlPullParser parser = Xml.newPullParser(); 2462 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2463 2464 int type; 2465 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2466 && type != XmlPullParser.START_TAG) { 2467 } 2468 String tag = parser.getName(); 2469 if (!"policies".equals(tag)) { 2470 throw new XmlPullParserException( 2471 "Settings do not start with policies tag: found " + tag); 2472 } 2473 2474 // Extract the permission provider component name if available 2475 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2476 if (permissionProvider != null) { 2477 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2478 } 2479 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2480 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2481 policy.mUserSetupComplete = true; 2482 } 2483 String paired = parser.getAttributeValue(null, ATTR_DEVICE_PAIRED); 2484 if (paired != null && Boolean.toString(true).equals(paired)) { 2485 policy.mPaired = true; 2486 } 2487 String deviceProvisioningConfigApplied = parser.getAttributeValue(null, 2488 ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED); 2489 if (deviceProvisioningConfigApplied != null 2490 && Boolean.toString(true).equals(deviceProvisioningConfigApplied)) { 2491 policy.mDeviceProvisioningConfigApplied = true; 2492 } 2493 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2494 if (!TextUtils.isEmpty(provisioningState)) { 2495 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2496 } 2497 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2498 if (!TextUtils.isEmpty(permissionPolicy)) { 2499 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2500 } 2501 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 2502 ATTR_DELEGATED_CERT_INSTALLER); 2503 policy.mApplicationRestrictionsManagingPackage = parser.getAttributeValue(null, 2504 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2505 2506 type = parser.next(); 2507 int outerDepth = parser.getDepth(); 2508 policy.mLockTaskPackages.clear(); 2509 policy.mAdminList.clear(); 2510 policy.mAdminMap.clear(); 2511 policy.mAffiliationIds.clear(); 2512 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2513 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2514 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2515 continue; 2516 } 2517 tag = parser.getName(); 2518 if ("admin".equals(tag)) { 2519 String name = parser.getAttributeValue(null, "name"); 2520 try { 2521 DeviceAdminInfo dai = findAdmin( 2522 ComponentName.unflattenFromString(name), userHandle, 2523 /* throwForMissionPermission= */ false); 2524 if (VERBOSE_LOG 2525 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2526 != userHandle)) { 2527 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2528 + dai.getActivityInfo().applicationInfo.uid + " for user " 2529 + userHandle); 2530 } 2531 if (dai != null) { 2532 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2533 ap.readFromXml(parser); 2534 policy.mAdminMap.put(ap.info.getComponent(), ap); 2535 } 2536 } catch (RuntimeException e) { 2537 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2538 } 2539 } else if ("failed-password-attempts".equals(tag)) { 2540 policy.mFailedPasswordAttempts = Integer.parseInt( 2541 parser.getAttributeValue(null, "value")); 2542 } else if ("password-owner".equals(tag)) { 2543 policy.mPasswordOwner = Integer.parseInt( 2544 parser.getAttributeValue(null, "value")); 2545 } else if ("active-password".equals(tag)) { 2546 final PasswordMetrics m = policy.mActivePasswordMetrics; 2547 m.quality = Integer.parseInt(parser.getAttributeValue(null, "quality")); 2548 m.length = Integer.parseInt(parser.getAttributeValue(null, "length")); 2549 m.upperCase = Integer.parseInt(parser.getAttributeValue(null, "uppercase")); 2550 m.lowerCase = Integer.parseInt(parser.getAttributeValue(null, "lowercase")); 2551 m.letters = Integer.parseInt(parser.getAttributeValue(null, "letters")); 2552 m.numeric = Integer.parseInt(parser.getAttributeValue(null, "numeric")); 2553 m.symbols = Integer.parseInt(parser.getAttributeValue(null, "symbols")); 2554 m.nonLetter = Integer.parseInt(parser.getAttributeValue(null, "nonletter")); 2555 } else if (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { 2556 policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); 2557 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2558 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2559 } else if (TAG_STATUS_BAR.equals(tag)) { 2560 policy.mStatusBarDisabled = Boolean.parseBoolean( 2561 parser.getAttributeValue(null, ATTR_DISABLED)); 2562 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2563 policy.doNotAskCredentialsOnBoot = true; 2564 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2565 policy.mAffiliationIds.add(parser.getAttributeValue(null, ATTR_ID)); 2566 } else if (TAG_LAST_SECURITY_LOG_RETRIEVAL.equals(tag)) { 2567 policy.mLastSecurityLogRetrievalTime = Long.parseLong( 2568 parser.getAttributeValue(null, ATTR_VALUE)); 2569 } else if (TAG_LAST_BUG_REPORT_REQUEST.equals(tag)) { 2570 policy.mLastBugReportRequestTime = Long.parseLong( 2571 parser.getAttributeValue(null, ATTR_VALUE)); 2572 } else if (TAG_LAST_NETWORK_LOG_RETRIEVAL.equals(tag)) { 2573 policy.mLastNetworkLogsRetrievalTime = Long.parseLong( 2574 parser.getAttributeValue(null, ATTR_VALUE)); 2575 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2576 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2577 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2578 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2579 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2580 } else { 2581 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2582 XmlUtils.skipCurrentTag(parser); 2583 } 2584 } 2585 } catch (FileNotFoundException e) { 2586 // Don't be noisy, this is normal if we haven't defined any policies. 2587 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2588 | IndexOutOfBoundsException e) { 2589 Slog.w(LOG_TAG, "failed parsing " + file, e); 2590 } 2591 try { 2592 if (stream != null) { 2593 stream.close(); 2594 } 2595 } catch (IOException e) { 2596 // Ignore 2597 } 2598 2599 // Generate a list of admins from the admin map 2600 policy.mAdminList.addAll(policy.mAdminMap.values()); 2601 2602 // Validate that what we stored for the password quality matches 2603 // sufficiently what is currently set. Note that this is only 2604 // a sanity check in case the two get out of sync; this should 2605 // never normally happen. 2606 final long identity = mInjector.binderClearCallingIdentity(); 2607 try { 2608 int actualPasswordQuality = mLockPatternUtils.getActivePasswordQuality(userHandle); 2609 if (actualPasswordQuality < policy.mActivePasswordMetrics.quality) { 2610 Slog.w(LOG_TAG, "Active password quality 0x" 2611 + Integer.toHexString(policy.mActivePasswordMetrics.quality) 2612 + " does not match actual quality 0x" 2613 + Integer.toHexString(actualPasswordQuality)); 2614 policy.mActivePasswordMetrics = new PasswordMetrics(); 2615 } 2616 } finally { 2617 mInjector.binderRestoreCallingIdentity(identity); 2618 } 2619 2620 validatePasswordOwnerLocked(policy); 2621 updateMaximumTimeToLockLocked(userHandle); 2622 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2623 if (policy.mStatusBarDisabled) { 2624 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2625 } 2626 } 2627 2628 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2629 long ident = mInjector.binderClearCallingIdentity(); 2630 try { 2631 mInjector.getIActivityManager() 2632 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2633 } catch (RemoteException e) { 2634 // Not gonna happen. 2635 } finally { 2636 mInjector.binderRestoreCallingIdentity(ident); 2637 } 2638 } 2639 2640 private void updateDeviceOwnerLocked() { 2641 long ident = mInjector.binderClearCallingIdentity(); 2642 try { 2643 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2644 // user id and also protect all other DAs too. 2645 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2646 if (deviceOwnerComponent != null) { 2647 mInjector.getIActivityManager() 2648 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2649 } 2650 } catch (RemoteException e) { 2651 // Not gonna happen. 2652 } finally { 2653 mInjector.binderRestoreCallingIdentity(ident); 2654 } 2655 } 2656 2657 static void validateQualityConstant(int quality) { 2658 switch (quality) { 2659 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2660 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2661 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2662 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2663 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2664 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2665 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2666 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2667 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2668 return; 2669 } 2670 throw new IllegalArgumentException("Invalid quality constant: 0x" 2671 + Integer.toHexString(quality)); 2672 } 2673 2674 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2675 if (policy.mPasswordOwner >= 0) { 2676 boolean haveOwner = false; 2677 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2678 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2679 haveOwner = true; 2680 break; 2681 } 2682 } 2683 if (!haveOwner) { 2684 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2685 + " no longer active; disabling"); 2686 policy.mPasswordOwner = -1; 2687 } 2688 } 2689 } 2690 2691 @VisibleForTesting 2692 void systemReady(int phase) { 2693 if (!mHasFeature) { 2694 return; 2695 } 2696 switch (phase) { 2697 case SystemService.PHASE_LOCK_SETTINGS_READY: 2698 onLockSettingsReady(); 2699 break; 2700 case SystemService.PHASE_BOOT_COMPLETED: 2701 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2702 break; 2703 } 2704 } 2705 2706 private void onLockSettingsReady() { 2707 getUserData(UserHandle.USER_SYSTEM); 2708 loadOwners(); 2709 cleanUpOldUsers(); 2710 2711 onStartUser(UserHandle.USER_SYSTEM); 2712 2713 // Register an observer for watching for user setup complete. 2714 new SetupContentObserver(mHandler).register(); 2715 // Initialize the user setup state, to handle the upgrade case. 2716 updateUserSetupCompleteAndPaired(); 2717 2718 List<String> packageList; 2719 synchronized (this) { 2720 packageList = getKeepUninstalledPackagesLocked(); 2721 } 2722 if (packageList != null) { 2723 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2724 } 2725 2726 synchronized (this) { 2727 // push the force-ephemeral-users policy to the user manager. 2728 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 2729 if (deviceOwner != null) { 2730 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 2731 } 2732 } 2733 } 2734 2735 private void ensureDeviceOwnerUserStarted() { 2736 final int userId; 2737 synchronized (this) { 2738 if (!mOwners.hasDeviceOwner()) { 2739 return; 2740 } 2741 userId = mOwners.getDeviceOwnerUserId(); 2742 } 2743 if (VERBOSE_LOG) { 2744 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2745 } 2746 if (userId != UserHandle.USER_SYSTEM) { 2747 try { 2748 mInjector.getIActivityManager().startUserInBackground(userId); 2749 2750 // STOPSHIP Prevent the DO user from being killed. 2751 2752 } catch (RemoteException e) { 2753 Slog.w(LOG_TAG, "Exception starting user", e); 2754 } 2755 } 2756 } 2757 2758 private void onStartUser(int userId) { 2759 updateScreenCaptureDisabledInWindowManager(userId, 2760 getScreenCaptureDisabled(null, userId)); 2761 pushUserRestrictions(userId); 2762 } 2763 2764 private void cleanUpOldUsers() { 2765 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2766 // before reboot 2767 Set<Integer> usersWithProfileOwners; 2768 Set<Integer> usersWithData; 2769 synchronized(this) { 2770 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 2771 usersWithData = new ArraySet<>(); 2772 for (int i = 0; i < mUserData.size(); i++) { 2773 usersWithData.add(mUserData.keyAt(i)); 2774 } 2775 } 2776 List<UserInfo> allUsers = mUserManager.getUsers(); 2777 2778 Set<Integer> deletedUsers = new ArraySet<>(); 2779 deletedUsers.addAll(usersWithProfileOwners); 2780 deletedUsers.addAll(usersWithData); 2781 for (UserInfo userInfo : allUsers) { 2782 deletedUsers.remove(userInfo.id); 2783 } 2784 for (Integer userId : deletedUsers) { 2785 removeUserData(userId); 2786 } 2787 } 2788 2789 private void handlePasswordExpirationNotification(int userHandle) { 2790 synchronized (this) { 2791 final long now = System.currentTimeMillis(); 2792 2793 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 2794 userHandle, /* parent */ false); 2795 final int N = admins.size(); 2796 for (int i = 0; i < N; i++) { 2797 ActiveAdmin admin = admins.get(i); 2798 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 2799 && admin.passwordExpirationTimeout > 0L 2800 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 2801 && admin.passwordExpirationDate > 0L) { 2802 sendAdminCommandLocked(admin, 2803 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 2804 } 2805 } 2806 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 2807 } 2808 } 2809 2810 private class MonitoringCertNotificationTask extends AsyncTask<Integer, Void, Void> { 2811 @Override 2812 protected Void doInBackground(Integer... params) { 2813 int userHandle = params[0]; 2814 2815 if (userHandle == UserHandle.USER_ALL) { 2816 for (UserInfo userInfo : mUserManager.getUsers(true)) { 2817 manageNotification(userInfo.getUserHandle()); 2818 } 2819 } else { 2820 manageNotification(UserHandle.of(userHandle)); 2821 } 2822 return null; 2823 } 2824 2825 private void manageNotification(UserHandle userHandle) { 2826 if (!mUserManager.isUserUnlocked(userHandle)) { 2827 return; 2828 } 2829 2830 // Call out to KeyChain to check for CAs which are waiting for approval. 2831 final List<String> pendingCertificates; 2832 try { 2833 pendingCertificates = getInstalledCaCertificates(userHandle); 2834 } catch (RemoteException | RuntimeException e) { 2835 Log.e(LOG_TAG, "Could not retrieve certificates from KeyChain service", e); 2836 return; 2837 } 2838 2839 synchronized (DevicePolicyManagerService.this) { 2840 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 2841 2842 // Remove deleted certificates. Flush xml if necessary. 2843 if (policy.mAcceptedCaCertificates.retainAll(pendingCertificates)) { 2844 saveSettingsLocked(userHandle.getIdentifier()); 2845 } 2846 // Trim to approved certificates. 2847 pendingCertificates.removeAll(policy.mAcceptedCaCertificates); 2848 } 2849 2850 if (pendingCertificates.isEmpty()) { 2851 mInjector.getNotificationManager().cancelAsUser( 2852 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 2853 return; 2854 } 2855 2856 // Build and show a warning notification 2857 int smallIconId; 2858 String contentText; 2859 int parentUserId = userHandle.getIdentifier(); 2860 if (getProfileOwner(userHandle.getIdentifier()) != null) { 2861 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2862 getProfileOwnerName(userHandle.getIdentifier())); 2863 smallIconId = R.drawable.stat_sys_certificate_info; 2864 parentUserId = getProfileParentId(userHandle.getIdentifier()); 2865 } else if (getDeviceOwnerUserId() == userHandle.getIdentifier()) { 2866 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2867 getDeviceOwnerName()); 2868 smallIconId = R.drawable.stat_sys_certificate_info; 2869 } else { 2870 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 2871 smallIconId = android.R.drawable.stat_sys_warning; 2872 } 2873 2874 final int numberOfCertificates = pendingCertificates.size(); 2875 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 2876 dialogIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 2877 dialogIntent.setPackage("com.android.settings"); 2878 dialogIntent.putExtra(Settings.EXTRA_NUMBER_OF_CERTIFICATES, numberOfCertificates); 2879 dialogIntent.putExtra(Intent.EXTRA_USER_ID, userHandle.getIdentifier()); 2880 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 2881 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, 2882 new UserHandle(parentUserId)); 2883 2884 final Context userContext; 2885 try { 2886 final String packageName = mContext.getPackageName(); 2887 userContext = mContext.createPackageContextAsUser(packageName, 0, userHandle); 2888 } catch (PackageManager.NameNotFoundException e) { 2889 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 2890 return; 2891 } 2892 final Notification noti = new Notification.Builder(userContext) 2893 .setSmallIcon(smallIconId) 2894 .setContentTitle(mContext.getResources().getQuantityText( 2895 R.plurals.ssl_ca_cert_warning, numberOfCertificates)) 2896 .setContentText(contentText) 2897 .setContentIntent(notifyIntent) 2898 .setPriority(Notification.PRIORITY_HIGH) 2899 .setShowWhen(false) 2900 .setColor(mContext.getColor( 2901 com.android.internal.R.color.system_notification_accent_color)) 2902 .build(); 2903 2904 mInjector.getNotificationManager().notifyAsUser( 2905 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 2906 } 2907 2908 private List<String> getInstalledCaCertificates(UserHandle userHandle) 2909 throws RemoteException, RuntimeException { 2910 KeyChainConnection conn = null; 2911 try { 2912 conn = KeyChain.bindAsUser(mContext, userHandle); 2913 List<ParcelableString> aliases = conn.getService().getUserCaAliases().getList(); 2914 List<String> result = new ArrayList<>(aliases.size()); 2915 for (int i = 0; i < aliases.size(); i++) { 2916 result.add(aliases.get(i).string); 2917 } 2918 return result; 2919 } catch (InterruptedException e) { 2920 Thread.currentThread().interrupt(); 2921 return null; 2922 } catch (AssertionError e) { 2923 throw new RuntimeException(e); 2924 } finally { 2925 if (conn != null) { 2926 conn.close(); 2927 } 2928 } 2929 } 2930 } 2931 2932 /** 2933 * @param adminReceiver The admin to add 2934 * @param refreshing true = update an active admin, no error 2935 */ 2936 @Override 2937 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 2938 if (!mHasFeature) { 2939 return; 2940 } 2941 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 2942 } 2943 2944 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 2945 Bundle onEnableData) { 2946 mContext.enforceCallingOrSelfPermission( 2947 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2948 enforceFullCrossUsersPermission(userHandle); 2949 2950 DevicePolicyData policy = getUserData(userHandle); 2951 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 2952 /* throwForMissionPermission= */ true); 2953 if (info == null) { 2954 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 2955 } 2956 if (!info.getActivityInfo().applicationInfo.isInternal()) { 2957 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 2958 + adminReceiver); 2959 } 2960 synchronized (this) { 2961 long ident = mInjector.binderClearCallingIdentity(); 2962 try { 2963 final ActiveAdmin existingAdmin 2964 = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2965 if (!refreshing && existingAdmin != null) { 2966 throw new IllegalArgumentException("Admin is already added"); 2967 } 2968 if (policy.mRemovingAdmins.contains(adminReceiver)) { 2969 throw new IllegalArgumentException( 2970 "Trying to set an admin which is being removed"); 2971 } 2972 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 2973 newAdmin.testOnlyAdmin = 2974 (existingAdmin != null) ? existingAdmin.testOnlyAdmin 2975 : isPackageTestOnly(adminReceiver.getPackageName(), userHandle); 2976 policy.mAdminMap.put(adminReceiver, newAdmin); 2977 int replaceIndex = -1; 2978 final int N = policy.mAdminList.size(); 2979 for (int i=0; i < N; i++) { 2980 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 2981 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 2982 replaceIndex = i; 2983 break; 2984 } 2985 } 2986 if (replaceIndex == -1) { 2987 policy.mAdminList.add(newAdmin); 2988 enableIfNecessary(info.getPackageName(), userHandle); 2989 } else { 2990 policy.mAdminList.set(replaceIndex, newAdmin); 2991 } 2992 saveSettingsLocked(userHandle); 2993 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 2994 onEnableData, null); 2995 } finally { 2996 mInjector.binderRestoreCallingIdentity(ident); 2997 } 2998 } 2999 } 3000 3001 @Override 3002 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 3003 if (!mHasFeature) { 3004 return false; 3005 } 3006 enforceFullCrossUsersPermission(userHandle); 3007 synchronized (this) { 3008 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 3009 } 3010 } 3011 3012 @Override 3013 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 3014 if (!mHasFeature) { 3015 return false; 3016 } 3017 enforceFullCrossUsersPermission(userHandle); 3018 synchronized (this) { 3019 DevicePolicyData policyData = getUserData(userHandle); 3020 return policyData.mRemovingAdmins.contains(adminReceiver); 3021 } 3022 } 3023 3024 @Override 3025 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 3026 if (!mHasFeature) { 3027 return false; 3028 } 3029 enforceFullCrossUsersPermission(userHandle); 3030 synchronized (this) { 3031 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3032 if (administrator == null) { 3033 throw new SecurityException("No active admin " + adminReceiver); 3034 } 3035 return administrator.info.usesPolicy(policyId); 3036 } 3037 } 3038 3039 @Override 3040 @SuppressWarnings("unchecked") 3041 public List<ComponentName> getActiveAdmins(int userHandle) { 3042 if (!mHasFeature) { 3043 return Collections.EMPTY_LIST; 3044 } 3045 3046 enforceFullCrossUsersPermission(userHandle); 3047 synchronized (this) { 3048 DevicePolicyData policy = getUserData(userHandle); 3049 final int N = policy.mAdminList.size(); 3050 if (N <= 0) { 3051 return null; 3052 } 3053 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 3054 for (int i=0; i<N; i++) { 3055 res.add(policy.mAdminList.get(i).info.getComponent()); 3056 } 3057 return res; 3058 } 3059 } 3060 3061 @Override 3062 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 3063 if (!mHasFeature) { 3064 return false; 3065 } 3066 enforceFullCrossUsersPermission(userHandle); 3067 synchronized (this) { 3068 DevicePolicyData policy = getUserData(userHandle); 3069 final int N = policy.mAdminList.size(); 3070 for (int i=0; i<N; i++) { 3071 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 3072 return true; 3073 } 3074 } 3075 return false; 3076 } 3077 } 3078 3079 public void forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { 3080 if (!mHasFeature) { 3081 return; 3082 } 3083 Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); 3084 enforceShell("forceRemoveActiveAdmin"); 3085 long ident = mInjector.binderClearCallingIdentity(); 3086 try { 3087 synchronized (this) { 3088 if (!isAdminTestOnlyLocked(adminReceiver, userHandle)) { 3089 throw new SecurityException("Attempt to remove non-test admin " 3090 + adminReceiver + " " + userHandle); 3091 } 3092 3093 // If admin is a device or profile owner tidy that up first. 3094 if (isDeviceOwner(adminReceiver, userHandle)) { 3095 clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); 3096 clearDeviceOwnerUserRestrictionLocked(UserHandle.of(userHandle)); 3097 } 3098 if (isProfileOwner(adminReceiver, userHandle)) { 3099 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, 3100 userHandle, /* parent */ false); 3101 clearProfileOwnerLocked(admin, userHandle); 3102 } 3103 } 3104 // Remove the admin skipping sending the broadcast. 3105 removeAdminArtifacts(adminReceiver, userHandle); 3106 Slog.i(LOG_TAG, "Admin " + adminReceiver + " removed from user " + userHandle); 3107 } finally { 3108 mInjector.binderRestoreCallingIdentity(ident); 3109 } 3110 } 3111 3112 // It's temporary solution to clear DISALLOW_ADD_USER after CTS 3113 // TODO: b/31952368 when the restriction is moved from system to the device owner, 3114 // it can be removed. 3115 private void clearDeviceOwnerUserRestrictionLocked(UserHandle userHandle) { 3116 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_USER, userHandle)) { 3117 mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_USER, false, userHandle); 3118 } 3119 } 3120 3121 /** 3122 * Return if a given package has testOnly="true", in which case we'll relax certain rules 3123 * for CTS. 3124 * 3125 * DO NOT use this method except in {@link #setActiveAdmin}. Use {@link #isAdminTestOnlyLocked} 3126 * to check wehter an active admin is test-only or not. 3127 * 3128 * The system allows this flag to be changed when an app is updated, which is not good 3129 * for us. So we persist the flag in {@link ActiveAdmin} when an admin is first installed, 3130 * and used the persisted version in actual checks. (See b/31382361 and b/28928996) 3131 */ 3132 private boolean isPackageTestOnly(String packageName, int userHandle) { 3133 final ApplicationInfo ai; 3134 try { 3135 ai = mIPackageManager.getApplicationInfo(packageName, 3136 (PackageManager.MATCH_DIRECT_BOOT_AWARE 3137 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE), userHandle); 3138 } catch (RemoteException e) { 3139 throw new IllegalStateException(e); 3140 } 3141 if (ai == null) { 3142 throw new IllegalStateException("Couldn't find package: " 3143 + packageName + " on user " + userHandle); 3144 } 3145 return (ai.flags & ApplicationInfo.FLAG_TEST_ONLY) != 0; 3146 } 3147 3148 /** 3149 * See {@link #isPackageTestOnly}. 3150 */ 3151 private boolean isAdminTestOnlyLocked(ComponentName who, int userHandle) { 3152 final ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3153 return (admin != null) && admin.testOnlyAdmin; 3154 } 3155 3156 private void enforceShell(String method) { 3157 final int callingUid = Binder.getCallingUid(); 3158 if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { 3159 throw new SecurityException("Non-shell user attempted to call " + method); 3160 } 3161 } 3162 3163 @Override 3164 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 3165 if (!mHasFeature) { 3166 return; 3167 } 3168 enforceFullCrossUsersPermission(userHandle); 3169 enforceUserUnlocked(userHandle); 3170 synchronized (this) { 3171 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3172 if (admin == null) { 3173 return; 3174 } 3175 // Active device/profile owners must remain active admins. 3176 if (isDeviceOwner(adminReceiver, userHandle) 3177 || isProfileOwner(adminReceiver, userHandle)) { 3178 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 3179 adminReceiver); 3180 return; 3181 } 3182 if (admin.getUid() != mInjector.binderGetCallingUid()) { 3183 mContext.enforceCallingOrSelfPermission( 3184 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3185 } 3186 long ident = mInjector.binderClearCallingIdentity(); 3187 try { 3188 removeActiveAdminLocked(adminReceiver, userHandle); 3189 } finally { 3190 mInjector.binderRestoreCallingIdentity(ident); 3191 } 3192 } 3193 } 3194 3195 @Override 3196 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 3197 ComponentName profileOwner = getProfileOwner(userHandle); 3198 // Profile challenge is supported on N or newer release. 3199 return profileOwner != null && 3200 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 3201 } 3202 3203 @Override 3204 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 3205 if (!mHasFeature) { 3206 return; 3207 } 3208 Preconditions.checkNotNull(who, "ComponentName is null"); 3209 validateQualityConstant(quality); 3210 3211 synchronized (this) { 3212 ActiveAdmin ap = getActiveAdminForCallerLocked( 3213 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3214 if (ap.minimumPasswordMetrics.quality != quality) { 3215 ap.minimumPasswordMetrics.quality = quality; 3216 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3217 } 3218 } 3219 } 3220 3221 @Override 3222 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 3223 if (!mHasFeature) { 3224 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3225 } 3226 enforceFullCrossUsersPermission(userHandle); 3227 synchronized (this) { 3228 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3229 3230 if (who != null) { 3231 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3232 return admin != null ? admin.minimumPasswordMetrics.quality : mode; 3233 } 3234 3235 // Return the strictest policy across all participating admins. 3236 List<ActiveAdmin> admins = 3237 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3238 final int N = admins.size(); 3239 for (int i = 0; i < N; i++) { 3240 ActiveAdmin admin = admins.get(i); 3241 if (mode < admin.minimumPasswordMetrics.quality) { 3242 mode = admin.minimumPasswordMetrics.quality; 3243 } 3244 } 3245 return mode; 3246 } 3247 } 3248 3249 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 3250 int userHandle, boolean parent) { 3251 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 3252 // If this user has a separate challenge, only return its restrictions. 3253 return getUserDataUnchecked(userHandle).mAdminList; 3254 } else { 3255 // Return all admins for this user and the profiles that are visible from this 3256 // user that do not use a separate work challenge. 3257 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 3258 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3259 DevicePolicyData policy = getUserData(userInfo.id); 3260 if (!userInfo.isManagedProfile()) { 3261 admins.addAll(policy.mAdminList); 3262 } else { 3263 // For managed profiles, we always include the policies set on the parent 3264 // profile. Additionally, we include the ones set on the managed profile 3265 // if no separate challenge is in place. 3266 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 3267 final int N = policy.mAdminList.size(); 3268 for (int i = 0; i < N; i++) { 3269 ActiveAdmin admin = policy.mAdminList.get(i); 3270 if (admin.hasParentActiveAdmin()) { 3271 admins.add(admin.getParentActiveAdmin()); 3272 } 3273 if (!hasSeparateChallenge) { 3274 admins.add(admin); 3275 } 3276 } 3277 } 3278 } 3279 return admins; 3280 } 3281 } 3282 3283 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 3284 long ident = mInjector.binderClearCallingIdentity(); 3285 try { 3286 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 3287 } finally { 3288 mInjector.binderRestoreCallingIdentity(ident); 3289 } 3290 } 3291 3292 @Override 3293 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 3294 if (!mHasFeature) { 3295 return; 3296 } 3297 Preconditions.checkNotNull(who, "ComponentName is null"); 3298 synchronized (this) { 3299 ActiveAdmin ap = getActiveAdminForCallerLocked( 3300 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3301 if (ap.minimumPasswordMetrics.length != length) { 3302 ap.minimumPasswordMetrics.length = length; 3303 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3304 } 3305 } 3306 } 3307 3308 @Override 3309 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 3310 if (!mHasFeature) { 3311 return 0; 3312 } 3313 enforceFullCrossUsersPermission(userHandle); 3314 synchronized (this) { 3315 int length = 0; 3316 3317 if (who != null) { 3318 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3319 return admin != null ? admin.minimumPasswordMetrics.length : length; 3320 } 3321 3322 // Return the strictest policy across all participating admins. 3323 List<ActiveAdmin> admins = 3324 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3325 final int N = admins.size(); 3326 for (int i = 0; i < N; i++) { 3327 ActiveAdmin admin = admins.get(i); 3328 if (length < admin.minimumPasswordMetrics.length) { 3329 length = admin.minimumPasswordMetrics.length; 3330 } 3331 } 3332 return length; 3333 } 3334 } 3335 3336 @Override 3337 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3338 if (!mHasFeature) { 3339 return; 3340 } 3341 Preconditions.checkNotNull(who, "ComponentName is null"); 3342 synchronized (this) { 3343 ActiveAdmin ap = getActiveAdminForCallerLocked( 3344 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3345 if (ap.passwordHistoryLength != length) { 3346 ap.passwordHistoryLength = length; 3347 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3348 } 3349 } 3350 } 3351 3352 @Override 3353 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3354 if (!mHasFeature) { 3355 return 0; 3356 } 3357 enforceFullCrossUsersPermission(userHandle); 3358 synchronized (this) { 3359 int length = 0; 3360 3361 if (who != null) { 3362 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3363 return admin != null ? admin.passwordHistoryLength : length; 3364 } 3365 3366 // Return the strictest policy across all participating admins. 3367 List<ActiveAdmin> admins = 3368 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3369 final int N = admins.size(); 3370 for (int i = 0; i < N; i++) { 3371 ActiveAdmin admin = admins.get(i); 3372 if (length < admin.passwordHistoryLength) { 3373 length = admin.passwordHistoryLength; 3374 } 3375 } 3376 3377 return length; 3378 } 3379 } 3380 3381 @Override 3382 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3383 if (!mHasFeature) { 3384 return; 3385 } 3386 Preconditions.checkNotNull(who, "ComponentName is null"); 3387 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3388 final int userHandle = mInjector.userHandleGetCallingUserId(); 3389 synchronized (this) { 3390 ActiveAdmin ap = getActiveAdminForCallerLocked( 3391 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3392 // Calling this API automatically bumps the expiration date 3393 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3394 ap.passwordExpirationDate = expiration; 3395 ap.passwordExpirationTimeout = timeout; 3396 if (timeout > 0L) { 3397 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3398 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3399 .format(new Date(expiration))); 3400 } 3401 saveSettingsLocked(userHandle); 3402 3403 // in case this is the first one, set the alarm on the appropriate user. 3404 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3405 } 3406 } 3407 3408 /** 3409 * Return a single admin's expiration cycle time, or the min of all cycle times. 3410 * Returns 0 if not configured. 3411 */ 3412 @Override 3413 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3414 if (!mHasFeature) { 3415 return 0L; 3416 } 3417 enforceFullCrossUsersPermission(userHandle); 3418 synchronized (this) { 3419 long timeout = 0L; 3420 3421 if (who != null) { 3422 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3423 return admin != null ? admin.passwordExpirationTimeout : timeout; 3424 } 3425 3426 // Return the strictest policy across all participating admins. 3427 List<ActiveAdmin> admins = 3428 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3429 final int N = admins.size(); 3430 for (int i = 0; i < N; i++) { 3431 ActiveAdmin admin = admins.get(i); 3432 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3433 && timeout > admin.passwordExpirationTimeout)) { 3434 timeout = admin.passwordExpirationTimeout; 3435 } 3436 } 3437 return timeout; 3438 } 3439 } 3440 3441 @Override 3442 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3443 final int userId = UserHandle.getCallingUserId(); 3444 List<String> changedProviders = null; 3445 3446 synchronized (this) { 3447 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3448 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3449 if (activeAdmin.crossProfileWidgetProviders == null) { 3450 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3451 } 3452 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3453 if (!providers.contains(packageName)) { 3454 providers.add(packageName); 3455 changedProviders = new ArrayList<>(providers); 3456 saveSettingsLocked(userId); 3457 } 3458 } 3459 3460 if (changedProviders != null) { 3461 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3462 return true; 3463 } 3464 3465 return false; 3466 } 3467 3468 @Override 3469 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3470 final int userId = UserHandle.getCallingUserId(); 3471 List<String> changedProviders = null; 3472 3473 synchronized (this) { 3474 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3475 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3476 if (activeAdmin.crossProfileWidgetProviders == null) { 3477 return false; 3478 } 3479 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3480 if (providers.remove(packageName)) { 3481 changedProviders = new ArrayList<>(providers); 3482 saveSettingsLocked(userId); 3483 } 3484 } 3485 3486 if (changedProviders != null) { 3487 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3488 return true; 3489 } 3490 3491 return false; 3492 } 3493 3494 @Override 3495 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3496 synchronized (this) { 3497 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3498 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3499 if (activeAdmin.crossProfileWidgetProviders == null 3500 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3501 return null; 3502 } 3503 if (mInjector.binderIsCallingUidMyUid()) { 3504 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3505 } else { 3506 return activeAdmin.crossProfileWidgetProviders; 3507 } 3508 } 3509 } 3510 3511 /** 3512 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3513 * Returns 0 if not configured. 3514 */ 3515 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3516 long timeout = 0L; 3517 3518 if (who != null) { 3519 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3520 return admin != null ? admin.passwordExpirationDate : timeout; 3521 } 3522 3523 // Return the strictest policy across all participating admins. 3524 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3525 final int N = admins.size(); 3526 for (int i = 0; i < N; i++) { 3527 ActiveAdmin admin = admins.get(i); 3528 if (timeout == 0L || (admin.passwordExpirationDate != 0 3529 && timeout > admin.passwordExpirationDate)) { 3530 timeout = admin.passwordExpirationDate; 3531 } 3532 } 3533 return timeout; 3534 } 3535 3536 @Override 3537 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3538 if (!mHasFeature) { 3539 return 0L; 3540 } 3541 enforceFullCrossUsersPermission(userHandle); 3542 synchronized (this) { 3543 return getPasswordExpirationLocked(who, userHandle, parent); 3544 } 3545 } 3546 3547 @Override 3548 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3549 if (!mHasFeature) { 3550 return; 3551 } 3552 Preconditions.checkNotNull(who, "ComponentName is null"); 3553 synchronized (this) { 3554 ActiveAdmin ap = getActiveAdminForCallerLocked( 3555 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3556 if (ap.minimumPasswordMetrics.upperCase != length) { 3557 ap.minimumPasswordMetrics.upperCase = length; 3558 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3559 } 3560 } 3561 } 3562 3563 @Override 3564 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3565 if (!mHasFeature) { 3566 return 0; 3567 } 3568 enforceFullCrossUsersPermission(userHandle); 3569 synchronized (this) { 3570 int length = 0; 3571 3572 if (who != null) { 3573 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3574 return admin != null ? admin.minimumPasswordMetrics.upperCase : length; 3575 } 3576 3577 // Return the strictest policy across all participating admins. 3578 List<ActiveAdmin> admins = 3579 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3580 final int N = admins.size(); 3581 for (int i = 0; i < N; i++) { 3582 ActiveAdmin admin = admins.get(i); 3583 if (length < admin.minimumPasswordMetrics.upperCase) { 3584 length = admin.minimumPasswordMetrics.upperCase; 3585 } 3586 } 3587 return length; 3588 } 3589 } 3590 3591 @Override 3592 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3593 Preconditions.checkNotNull(who, "ComponentName is null"); 3594 synchronized (this) { 3595 ActiveAdmin ap = getActiveAdminForCallerLocked( 3596 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3597 if (ap.minimumPasswordMetrics.lowerCase != length) { 3598 ap.minimumPasswordMetrics.lowerCase = length; 3599 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3600 } 3601 } 3602 } 3603 3604 @Override 3605 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3606 if (!mHasFeature) { 3607 return 0; 3608 } 3609 enforceFullCrossUsersPermission(userHandle); 3610 synchronized (this) { 3611 int length = 0; 3612 3613 if (who != null) { 3614 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3615 return admin != null ? admin.minimumPasswordMetrics.lowerCase : length; 3616 } 3617 3618 // Return the strictest policy across all participating admins. 3619 List<ActiveAdmin> admins = 3620 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3621 final int N = admins.size(); 3622 for (int i = 0; i < N; i++) { 3623 ActiveAdmin admin = admins.get(i); 3624 if (length < admin.minimumPasswordMetrics.lowerCase) { 3625 length = admin.minimumPasswordMetrics.lowerCase; 3626 } 3627 } 3628 return length; 3629 } 3630 } 3631 3632 @Override 3633 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3634 if (!mHasFeature) { 3635 return; 3636 } 3637 Preconditions.checkNotNull(who, "ComponentName is null"); 3638 synchronized (this) { 3639 ActiveAdmin ap = getActiveAdminForCallerLocked( 3640 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3641 if (ap.minimumPasswordMetrics.letters != length) { 3642 ap.minimumPasswordMetrics.letters = length; 3643 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3644 } 3645 } 3646 } 3647 3648 @Override 3649 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3650 if (!mHasFeature) { 3651 return 0; 3652 } 3653 enforceFullCrossUsersPermission(userHandle); 3654 synchronized (this) { 3655 int length = 0; 3656 3657 if (who != null) { 3658 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3659 return admin != null ? admin.minimumPasswordMetrics.letters : length; 3660 } 3661 3662 // Return the strictest policy across all participating admins. 3663 List<ActiveAdmin> admins = 3664 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3665 final int N = admins.size(); 3666 for (int i = 0; i < N; i++) { 3667 ActiveAdmin admin = admins.get(i); 3668 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3669 continue; 3670 } 3671 if (length < admin.minimumPasswordMetrics.letters) { 3672 length = admin.minimumPasswordMetrics.letters; 3673 } 3674 } 3675 return length; 3676 } 3677 } 3678 3679 @Override 3680 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3681 if (!mHasFeature) { 3682 return; 3683 } 3684 Preconditions.checkNotNull(who, "ComponentName is null"); 3685 synchronized (this) { 3686 ActiveAdmin ap = getActiveAdminForCallerLocked( 3687 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3688 if (ap.minimumPasswordMetrics.numeric != length) { 3689 ap.minimumPasswordMetrics.numeric = length; 3690 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3691 } 3692 } 3693 } 3694 3695 @Override 3696 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3697 if (!mHasFeature) { 3698 return 0; 3699 } 3700 enforceFullCrossUsersPermission(userHandle); 3701 synchronized (this) { 3702 int length = 0; 3703 3704 if (who != null) { 3705 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3706 return admin != null ? admin.minimumPasswordMetrics.numeric : length; 3707 } 3708 3709 // Return the strictest policy across all participating admins. 3710 List<ActiveAdmin> admins = 3711 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3712 final int N = admins.size(); 3713 for (int i = 0; i < N; i++) { 3714 ActiveAdmin admin = admins.get(i); 3715 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3716 continue; 3717 } 3718 if (length < admin.minimumPasswordMetrics.numeric) { 3719 length = admin.minimumPasswordMetrics.numeric; 3720 } 3721 } 3722 return length; 3723 } 3724 } 3725 3726 @Override 3727 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3728 if (!mHasFeature) { 3729 return; 3730 } 3731 Preconditions.checkNotNull(who, "ComponentName is null"); 3732 synchronized (this) { 3733 ActiveAdmin ap = getActiveAdminForCallerLocked( 3734 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3735 if (ap.minimumPasswordMetrics.symbols != length) { 3736 ap.minimumPasswordMetrics.symbols = length; 3737 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3738 } 3739 } 3740 } 3741 3742 @Override 3743 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3744 if (!mHasFeature) { 3745 return 0; 3746 } 3747 enforceFullCrossUsersPermission(userHandle); 3748 synchronized (this) { 3749 int length = 0; 3750 3751 if (who != null) { 3752 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3753 return admin != null ? admin.minimumPasswordMetrics.symbols : length; 3754 } 3755 3756 // Return the strictest policy across all participating admins. 3757 List<ActiveAdmin> admins = 3758 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3759 final int N = admins.size(); 3760 for (int i = 0; i < N; i++) { 3761 ActiveAdmin admin = admins.get(i); 3762 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3763 continue; 3764 } 3765 if (length < admin.minimumPasswordMetrics.symbols) { 3766 length = admin.minimumPasswordMetrics.symbols; 3767 } 3768 } 3769 return length; 3770 } 3771 } 3772 3773 @Override 3774 public void setPasswordMinimumNonLetter(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.nonLetter != length) { 3783 ap.minimumPasswordMetrics.nonLetter = length; 3784 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3785 } 3786 } 3787 } 3788 3789 @Override 3790 public int getPasswordMinimumNonLetter(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.nonLetter : 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.nonLetter) { 3813 length = admin.minimumPasswordMetrics.nonLetter; 3814 } 3815 } 3816 return length; 3817 } 3818 } 3819 3820 @Override 3821 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3822 if (!mHasFeature) { 3823 return true; 3824 } 3825 enforceFullCrossUsersPermission(userHandle); 3826 3827 synchronized (this) { 3828 // This API can only be called by an active device admin, 3829 // so try to retrieve it to check that the caller is one. 3830 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3831 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3832 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 3833 } 3834 } 3835 3836 @Override 3837 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 3838 if (!mHasFeature) { 3839 return true; 3840 } 3841 enforceFullCrossUsersPermission(userHandle); 3842 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 3843 3844 synchronized (this) { 3845 int targetUser = getProfileParentId(userHandle); 3846 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 3847 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 3848 } 3849 } 3850 3851 private boolean isActivePasswordSufficientForUserLocked( 3852 DevicePolicyData policy, int userHandle, boolean parent) { 3853 final int requiredPasswordQuality = getPasswordQuality(null, userHandle, parent); 3854 if (policy.mActivePasswordMetrics.quality < requiredPasswordQuality) { 3855 return false; 3856 } 3857 if (requiredPasswordQuality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC 3858 && policy.mActivePasswordMetrics.length < getPasswordMinimumLength( 3859 null, userHandle, parent)) { 3860 return false; 3861 } 3862 if (requiredPasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3863 return true; 3864 } 3865 return policy.mActivePasswordMetrics.upperCase >= getPasswordMinimumUpperCase( 3866 null, userHandle, parent) 3867 && policy.mActivePasswordMetrics.lowerCase >= getPasswordMinimumLowerCase( 3868 null, userHandle, parent) 3869 && policy.mActivePasswordMetrics.letters >= getPasswordMinimumLetters( 3870 null, userHandle, parent) 3871 && policy.mActivePasswordMetrics.numeric >= getPasswordMinimumNumeric( 3872 null, userHandle, parent) 3873 && policy.mActivePasswordMetrics.symbols >= getPasswordMinimumSymbols( 3874 null, userHandle, parent) 3875 && policy.mActivePasswordMetrics.nonLetter >= getPasswordMinimumNonLetter( 3876 null, userHandle, parent); 3877 } 3878 3879 @Override 3880 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 3881 enforceFullCrossUsersPermission(userHandle); 3882 synchronized (this) { 3883 if (!isCallerWithSystemUid()) { 3884 // This API can only be called by an active device admin, 3885 // so try to retrieve it to check that the caller is one. 3886 getActiveAdminForCallerLocked( 3887 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3888 } 3889 3890 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3891 3892 return policy.mFailedPasswordAttempts; 3893 } 3894 } 3895 3896 @Override 3897 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 3898 if (!mHasFeature) { 3899 return; 3900 } 3901 Preconditions.checkNotNull(who, "ComponentName is null"); 3902 synchronized (this) { 3903 // This API can only be called by an active device admin, 3904 // so try to retrieve it to check that the caller is one. 3905 getActiveAdminForCallerLocked( 3906 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 3907 ActiveAdmin ap = getActiveAdminForCallerLocked( 3908 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3909 if (ap.maximumFailedPasswordsForWipe != num) { 3910 ap.maximumFailedPasswordsForWipe = num; 3911 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3912 } 3913 } 3914 } 3915 3916 @Override 3917 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 3918 if (!mHasFeature) { 3919 return 0; 3920 } 3921 enforceFullCrossUsersPermission(userHandle); 3922 synchronized (this) { 3923 ActiveAdmin admin = (who != null) 3924 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 3925 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 3926 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 3927 } 3928 } 3929 3930 @Override 3931 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 3932 if (!mHasFeature) { 3933 return UserHandle.USER_NULL; 3934 } 3935 enforceFullCrossUsersPermission(userHandle); 3936 synchronized (this) { 3937 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 3938 userHandle, parent); 3939 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 3940 } 3941 } 3942 3943 /** 3944 * Returns the admin with the strictest policy on maximum failed passwords for: 3945 * <ul> 3946 * <li>this user if it has a separate profile challenge, or 3947 * <li>this user and all profiles that don't have their own challenge otherwise. 3948 * </ul> 3949 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 3950 * the primary profile. 3951 * Returns {@code null} if no participating admin has that policy set. 3952 */ 3953 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 3954 int userHandle, boolean parent) { 3955 int count = 0; 3956 ActiveAdmin strictestAdmin = null; 3957 3958 // Return the strictest policy across all participating admins. 3959 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3960 final int N = admins.size(); 3961 for (int i = 0; i < N; i++) { 3962 ActiveAdmin admin = admins.get(i); 3963 if (admin.maximumFailedPasswordsForWipe == 3964 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 3965 continue; // No max number of failed passwords policy set for this profile. 3966 } 3967 3968 // We always favor the primary profile if several profiles have the same value set. 3969 int userId = admin.getUserHandle().getIdentifier(); 3970 if (count == 0 || 3971 count > admin.maximumFailedPasswordsForWipe || 3972 (count == admin.maximumFailedPasswordsForWipe && 3973 getUserInfo(userId).isPrimary())) { 3974 count = admin.maximumFailedPasswordsForWipe; 3975 strictestAdmin = admin; 3976 } 3977 } 3978 return strictestAdmin; 3979 } 3980 3981 private UserInfo getUserInfo(@UserIdInt int userId) { 3982 final long token = mInjector.binderClearCallingIdentity(); 3983 try { 3984 return mUserManager.getUserInfo(userId); 3985 } finally { 3986 mInjector.binderRestoreCallingIdentity(token); 3987 } 3988 } 3989 3990 @Override 3991 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 3992 if (!mHasFeature) { 3993 return false; 3994 } 3995 final int callingUid = mInjector.binderGetCallingUid(); 3996 final int userHandle = mInjector.userHandleGetCallingUserId(); 3997 3998 String password = passwordOrNull != null ? passwordOrNull : ""; 3999 4000 // Password resetting to empty/null is not allowed for managed profiles. 4001 if (TextUtils.isEmpty(password)) { 4002 enforceNotManagedProfile(userHandle, "clear the active password"); 4003 } 4004 4005 int quality; 4006 synchronized (this) { 4007 // If caller has PO (or DO) it can change the password, so see if that's the case first. 4008 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 4009 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 4010 final boolean preN; 4011 if (admin != null) { 4012 preN = getTargetSdk(admin.info.getPackageName(), 4013 userHandle) <= android.os.Build.VERSION_CODES.M; 4014 } else { 4015 // Otherwise, make sure the caller has any active admin with the right policy. 4016 admin = getActiveAdminForCallerLocked(null, 4017 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 4018 preN = getTargetSdk(admin.info.getPackageName(), 4019 userHandle) <= android.os.Build.VERSION_CODES.M; 4020 4021 // As of N, password resetting to empty/null is not allowed anymore. 4022 // TODO Should we allow DO/PO to set an empty password? 4023 if (TextUtils.isEmpty(password)) { 4024 if (!preN) { 4025 throw new SecurityException("Cannot call with null password"); 4026 } else { 4027 Slog.e(LOG_TAG, "Cannot call with null password"); 4028 return false; 4029 } 4030 } 4031 // As of N, password cannot be changed by the admin if it is already set. 4032 if (isLockScreenSecureUnchecked(userHandle)) { 4033 if (!preN) { 4034 throw new SecurityException("Admin cannot change current password"); 4035 } else { 4036 Slog.e(LOG_TAG, "Admin cannot change current password"); 4037 return false; 4038 } 4039 } 4040 } 4041 // Do not allow to reset password when current user has a managed profile 4042 if (!isManagedProfile(userHandle)) { 4043 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4044 if (userInfo.isManagedProfile()) { 4045 if (!preN) { 4046 throw new IllegalStateException( 4047 "Cannot reset password on user has managed profile"); 4048 } else { 4049 Slog.e(LOG_TAG, "Cannot reset password on user has managed profile"); 4050 return false; 4051 } 4052 } 4053 } 4054 } 4055 // Do not allow to reset password when user is locked 4056 if (!mUserManager.isUserUnlocked(userHandle)) { 4057 if (!preN) { 4058 throw new IllegalStateException("Cannot reset password when user is locked"); 4059 } else { 4060 Slog.e(LOG_TAG, "Cannot reset password when user is locked"); 4061 return false; 4062 } 4063 } 4064 4065 quality = getPasswordQuality(null, userHandle, /* parent */ false); 4066 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 4067 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 4068 } 4069 final PasswordMetrics metrics = PasswordMetrics.computeForPassword(password); 4070 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 4071 final int realQuality = metrics.quality; 4072 if (realQuality < quality 4073 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4074 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 4075 + Integer.toHexString(realQuality) 4076 + " does not meet required quality 0x" 4077 + Integer.toHexString(quality)); 4078 return false; 4079 } 4080 quality = Math.max(realQuality, quality); 4081 } 4082 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 4083 if (password.length() < length) { 4084 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 4085 + " does not meet required length " + length); 4086 return false; 4087 } 4088 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4089 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 4090 if(metrics.letters < neededLetters) { 4091 Slog.w(LOG_TAG, "resetPassword: number of letters " + metrics.letters 4092 + " does not meet required number of letters " + neededLetters); 4093 return false; 4094 } 4095 int neededNumeric = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 4096 if (metrics.numeric < neededNumeric) { 4097 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + metrics.numeric 4098 + " does not meet required number of numerical digits " 4099 + neededNumeric); 4100 return false; 4101 } 4102 int neededLowerCase = getPasswordMinimumLowerCase( 4103 null, userHandle, /* parent */ false); 4104 if (metrics.lowerCase < neededLowerCase) { 4105 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " 4106 + metrics.lowerCase 4107 + " does not meet required number of lowercase letters " 4108 + neededLowerCase); 4109 return false; 4110 } 4111 int neededUpperCase = getPasswordMinimumUpperCase( 4112 null, userHandle, /* parent */ false); 4113 if (metrics.upperCase < neededUpperCase) { 4114 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " 4115 + metrics.upperCase 4116 + " does not meet required number of uppercase letters " 4117 + neededUpperCase); 4118 return false; 4119 } 4120 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 4121 if (metrics.symbols < neededSymbols) { 4122 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + metrics.symbols 4123 + " does not meet required number of special symbols " + neededSymbols); 4124 return false; 4125 } 4126 int neededNonLetter = getPasswordMinimumNonLetter( 4127 null, userHandle, /* parent */ false); 4128 if (metrics.nonLetter < neededNonLetter) { 4129 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " 4130 + metrics.nonLetter 4131 + " does not meet required number of non-letter characters " 4132 + neededNonLetter); 4133 return false; 4134 } 4135 } 4136 } 4137 4138 DevicePolicyData policy = getUserData(userHandle); 4139 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 4140 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 4141 return false; 4142 } 4143 4144 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 4145 boolean doNotAskCredentialsOnBoot = 4146 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 4147 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 4148 setDoNotAskCredentialsOnBoot(); 4149 } 4150 4151 // Don't do this with the lock held, because it is going to call 4152 // back in to the service. 4153 final long ident = mInjector.binderClearCallingIdentity(); 4154 try { 4155 if (!TextUtils.isEmpty(password)) { 4156 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 4157 } else { 4158 mLockPatternUtils.clearLock(userHandle); 4159 } 4160 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 4161 if (requireEntry) { 4162 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 4163 UserHandle.USER_ALL); 4164 } 4165 synchronized (this) { 4166 int newOwner = requireEntry ? callingUid : -1; 4167 if (policy.mPasswordOwner != newOwner) { 4168 policy.mPasswordOwner = newOwner; 4169 saveSettingsLocked(userHandle); 4170 } 4171 } 4172 } finally { 4173 mInjector.binderRestoreCallingIdentity(ident); 4174 } 4175 4176 return true; 4177 } 4178 4179 private boolean isLockScreenSecureUnchecked(int userId) { 4180 long ident = mInjector.binderClearCallingIdentity(); 4181 try { 4182 return mLockPatternUtils.isSecure(userId); 4183 } finally { 4184 mInjector.binderRestoreCallingIdentity(ident); 4185 } 4186 } 4187 4188 private void setDoNotAskCredentialsOnBoot() { 4189 synchronized (this) { 4190 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4191 if (!policyData.doNotAskCredentialsOnBoot) { 4192 policyData.doNotAskCredentialsOnBoot = true; 4193 saveSettingsLocked(UserHandle.USER_SYSTEM); 4194 } 4195 } 4196 } 4197 4198 @Override 4199 public boolean getDoNotAskCredentialsOnBoot() { 4200 mContext.enforceCallingOrSelfPermission( 4201 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 4202 synchronized (this) { 4203 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4204 return policyData.doNotAskCredentialsOnBoot; 4205 } 4206 } 4207 4208 @Override 4209 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 4210 if (!mHasFeature) { 4211 return; 4212 } 4213 Preconditions.checkNotNull(who, "ComponentName is null"); 4214 final int userHandle = mInjector.userHandleGetCallingUserId(); 4215 synchronized (this) { 4216 ActiveAdmin ap = getActiveAdminForCallerLocked( 4217 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4218 if (ap.maximumTimeToUnlock != timeMs) { 4219 ap.maximumTimeToUnlock = timeMs; 4220 saveSettingsLocked(userHandle); 4221 updateMaximumTimeToLockLocked(userHandle); 4222 } 4223 } 4224 } 4225 4226 void updateMaximumTimeToLockLocked(int userHandle) { 4227 // Calculate the min timeout for all profiles - including the ones with a separate 4228 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 4229 // challenge only and keep the screen on. However there is no easy way of doing that at the 4230 // moment so we set the screen off timeout regardless of whether it affects the parent user 4231 // or the profile challenge only. 4232 long timeMs = Long.MAX_VALUE; 4233 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 4234 for (int profileId : profileIds) { 4235 DevicePolicyData policy = getUserDataUnchecked(profileId); 4236 final int N = policy.mAdminList.size(); 4237 for (int i = 0; i < N; i++) { 4238 ActiveAdmin admin = policy.mAdminList.get(i); 4239 if (admin.maximumTimeToUnlock > 0 4240 && timeMs > admin.maximumTimeToUnlock) { 4241 timeMs = admin.maximumTimeToUnlock; 4242 } 4243 // If userInfo.id is a managed profile, we also need to look at 4244 // the policies set on the parent. 4245 if (admin.hasParentActiveAdmin()) { 4246 final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); 4247 if (parentAdmin.maximumTimeToUnlock > 0 4248 && timeMs > parentAdmin.maximumTimeToUnlock) { 4249 timeMs = parentAdmin.maximumTimeToUnlock; 4250 } 4251 } 4252 } 4253 } 4254 4255 // We only store the last maximum time to lock on the parent profile. So if calling from a 4256 // managed profile, retrieve the policy for the parent. 4257 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 4258 if (policy.mLastMaximumTimeToLock == timeMs) { 4259 return; 4260 } 4261 policy.mLastMaximumTimeToLock = timeMs; 4262 4263 final long ident = mInjector.binderClearCallingIdentity(); 4264 try { 4265 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 4266 // Make sure KEEP_SCREEN_ON is disabled, since that 4267 // would allow bypassing of the maximum time to lock. 4268 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 4269 } 4270 4271 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 4272 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 4273 } finally { 4274 mInjector.binderRestoreCallingIdentity(ident); 4275 } 4276 } 4277 4278 @Override 4279 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 4280 if (!mHasFeature) { 4281 return 0; 4282 } 4283 enforceFullCrossUsersPermission(userHandle); 4284 synchronized (this) { 4285 if (who != null) { 4286 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4287 return admin != null ? admin.maximumTimeToUnlock : 0; 4288 } 4289 // Return the strictest policy across all participating admins. 4290 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4291 userHandle, parent); 4292 return getMaximumTimeToLockPolicyFromAdmins(admins); 4293 } 4294 } 4295 4296 @Override 4297 public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { 4298 if (!mHasFeature) { 4299 return 0; 4300 } 4301 enforceFullCrossUsersPermission(userHandle); 4302 synchronized (this) { 4303 // All admins for this user. 4304 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 4305 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4306 DevicePolicyData policy = getUserData(userInfo.id); 4307 admins.addAll(policy.mAdminList); 4308 // If it is a managed profile, it may have parent active admins 4309 if (userInfo.isManagedProfile()) { 4310 for (ActiveAdmin admin : policy.mAdminList) { 4311 if (admin.hasParentActiveAdmin()) { 4312 admins.add(admin.getParentActiveAdmin()); 4313 } 4314 } 4315 } 4316 } 4317 return getMaximumTimeToLockPolicyFromAdmins(admins); 4318 } 4319 } 4320 4321 private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { 4322 long time = 0; 4323 final int N = admins.size(); 4324 for (int i = 0; i < N; i++) { 4325 ActiveAdmin admin = admins.get(i); 4326 if (time == 0) { 4327 time = admin.maximumTimeToUnlock; 4328 } else if (admin.maximumTimeToUnlock != 0 4329 && time > admin.maximumTimeToUnlock) { 4330 time = admin.maximumTimeToUnlock; 4331 } 4332 } 4333 return time; 4334 } 4335 4336 @Override 4337 public void setRequiredStrongAuthTimeout(ComponentName who, long timeoutMs, 4338 boolean parent) { 4339 if (!mHasFeature) { 4340 return; 4341 } 4342 Preconditions.checkNotNull(who, "ComponentName is null"); 4343 Preconditions.checkArgument(timeoutMs >= 0, "Timeout must not be a negative number."); 4344 // timeoutMs with value 0 means that the admin doesn't participate 4345 // timeoutMs is clamped to the interval in case the internal constants change in the future 4346 if (timeoutMs != 0 && timeoutMs < MINIMUM_STRONG_AUTH_TIMEOUT_MS) { 4347 timeoutMs = MINIMUM_STRONG_AUTH_TIMEOUT_MS; 4348 } 4349 if (timeoutMs > DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 4350 timeoutMs = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4351 } 4352 4353 final int userHandle = mInjector.userHandleGetCallingUserId(); 4354 synchronized (this) { 4355 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4356 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, parent); 4357 if (ap.strongAuthUnlockTimeout != timeoutMs) { 4358 ap.strongAuthUnlockTimeout = timeoutMs; 4359 saveSettingsLocked(userHandle); 4360 } 4361 } 4362 } 4363 4364 /** 4365 * Return a single admin's strong auth unlock timeout or minimum value (strictest) of all 4366 * admins if who is null. 4367 * Returns 0 if not configured for the provided admin. 4368 */ 4369 @Override 4370 public long getRequiredStrongAuthTimeout(ComponentName who, int userId, boolean parent) { 4371 if (!mHasFeature) { 4372 return DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4373 } 4374 enforceFullCrossUsersPermission(userId); 4375 synchronized (this) { 4376 if (who != null) { 4377 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userId, parent); 4378 return admin != null ? admin.strongAuthUnlockTimeout : 0; 4379 } 4380 4381 // Return the strictest policy across all participating admins. 4382 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userId, parent); 4383 4384 long strongAuthUnlockTimeout = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4385 for (int i = 0; i < admins.size(); i++) { 4386 final long timeout = admins.get(i).strongAuthUnlockTimeout; 4387 if (timeout != 0) { // take only participating admins into account 4388 strongAuthUnlockTimeout = Math.min(timeout, strongAuthUnlockTimeout); 4389 } 4390 } 4391 return Math.max(strongAuthUnlockTimeout, MINIMUM_STRONG_AUTH_TIMEOUT_MS); 4392 } 4393 } 4394 4395 @Override 4396 public void lockNow(boolean parent) { 4397 if (!mHasFeature) { 4398 return; 4399 } 4400 synchronized (this) { 4401 // This API can only be called by an active device admin, 4402 // so try to retrieve it to check that the caller is one. 4403 getActiveAdminForCallerLocked( 4404 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4405 4406 int userToLock = mInjector.userHandleGetCallingUserId(); 4407 4408 // Unless this is a managed profile with work challenge enabled, lock all users. 4409 if (parent || !isSeparateProfileChallengeEnabled(userToLock)) { 4410 userToLock = UserHandle.USER_ALL; 4411 } 4412 final long ident = mInjector.binderClearCallingIdentity(); 4413 try { 4414 mLockPatternUtils.requireStrongAuth( 4415 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 4416 if (userToLock == UserHandle.USER_ALL) { 4417 // Power off the display 4418 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 4419 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 4420 mInjector.getIWindowManager().lockNow(null); 4421 } 4422 } catch (RemoteException e) { 4423 } finally { 4424 mInjector.binderRestoreCallingIdentity(ident); 4425 } 4426 } 4427 } 4428 4429 @Override 4430 public void enforceCanManageCaCerts(ComponentName who) { 4431 if (who == null) { 4432 if (!isCallerDelegatedCertInstaller()) { 4433 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4434 } 4435 } else { 4436 synchronized (this) { 4437 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4438 } 4439 } 4440 } 4441 4442 private void enforceCanManageInstalledKeys(ComponentName who) { 4443 if (who == null) { 4444 if (!isCallerDelegatedCertInstaller()) { 4445 throw new SecurityException("who == null, but caller is not cert installer"); 4446 } 4447 } else { 4448 synchronized (this) { 4449 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4450 } 4451 } 4452 } 4453 4454 private boolean isCallerDelegatedCertInstaller() { 4455 final int callingUid = mInjector.binderGetCallingUid(); 4456 final int userHandle = UserHandle.getUserId(callingUid); 4457 synchronized (this) { 4458 final DevicePolicyData policy = getUserData(userHandle); 4459 if (policy.mDelegatedCertInstallerPackage == null) { 4460 return false; 4461 } 4462 4463 try { 4464 int uid = mContext.getPackageManager().getPackageUidAsUser( 4465 policy.mDelegatedCertInstallerPackage, userHandle); 4466 return uid == callingUid; 4467 } catch (NameNotFoundException e) { 4468 return false; 4469 } 4470 } 4471 } 4472 4473 @Override 4474 public boolean approveCaCert(String alias, int userId, boolean approval) { 4475 enforceManageUsers(); 4476 synchronized (this) { 4477 Set<String> certs = getUserData(userId).mAcceptedCaCertificates; 4478 boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); 4479 if (!changed) { 4480 return false; 4481 } 4482 saveSettingsLocked(userId); 4483 } 4484 new MonitoringCertNotificationTask().execute(userId); 4485 return true; 4486 } 4487 4488 @Override 4489 public boolean isCaCertApproved(String alias, int userId) { 4490 enforceManageUsers(); 4491 synchronized (this) { 4492 return getUserData(userId).mAcceptedCaCertificates.contains(alias); 4493 } 4494 } 4495 4496 private void removeCaApprovalsIfNeeded(int userId) { 4497 for (UserInfo userInfo : mUserManager.getProfiles(userId)) { 4498 boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); 4499 if (userInfo.isManagedProfile()){ 4500 isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); 4501 } 4502 if (!isSecure) { 4503 synchronized (this) { 4504 getUserData(userInfo.id).mAcceptedCaCertificates.clear(); 4505 saveSettingsLocked(userInfo.id); 4506 } 4507 4508 new MonitoringCertNotificationTask().execute(userInfo.id); 4509 } 4510 } 4511 } 4512 4513 @Override 4514 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 4515 enforceCanManageCaCerts(admin); 4516 4517 byte[] pemCert; 4518 try { 4519 X509Certificate cert = parseCert(certBuffer); 4520 pemCert = Credentials.convertToPem(cert); 4521 } catch (CertificateException ce) { 4522 Log.e(LOG_TAG, "Problem converting cert", ce); 4523 return false; 4524 } catch (IOException ioe) { 4525 Log.e(LOG_TAG, "Problem reading cert", ioe); 4526 return false; 4527 } 4528 4529 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4530 final long id = mInjector.binderClearCallingIdentity(); 4531 try { 4532 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4533 try { 4534 keyChainConnection.getService().installCaCertificate(pemCert); 4535 return true; 4536 } catch (RemoteException e) { 4537 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 4538 } finally { 4539 keyChainConnection.close(); 4540 } 4541 } catch (InterruptedException e1) { 4542 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 4543 Thread.currentThread().interrupt(); 4544 } finally { 4545 mInjector.binderRestoreCallingIdentity(id); 4546 } 4547 return false; 4548 } 4549 4550 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 4551 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 4552 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 4553 certBuffer)); 4554 } 4555 4556 @Override 4557 public void uninstallCaCerts(ComponentName admin, String[] aliases) { 4558 enforceCanManageCaCerts(admin); 4559 4560 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4561 final long id = mInjector.binderClearCallingIdentity(); 4562 try { 4563 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4564 try { 4565 for (int i = 0 ; i < aliases.length; i++) { 4566 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 4567 } 4568 } catch (RemoteException e) { 4569 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 4570 } finally { 4571 keyChainConnection.close(); 4572 } 4573 } catch (InterruptedException ie) { 4574 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 4575 Thread.currentThread().interrupt(); 4576 } finally { 4577 mInjector.binderRestoreCallingIdentity(id); 4578 } 4579 } 4580 4581 @Override 4582 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, byte[] chain, 4583 String alias, boolean requestAccess) { 4584 enforceCanManageInstalledKeys(who); 4585 4586 final int callingUid = mInjector.binderGetCallingUid(); 4587 final long id = mInjector.binderClearCallingIdentity(); 4588 try { 4589 final KeyChainConnection keyChainConnection = 4590 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4591 try { 4592 IKeyChainService keyChain = keyChainConnection.getService(); 4593 if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { 4594 return false; 4595 } 4596 if (requestAccess) { 4597 keyChain.setGrant(callingUid, alias, true); 4598 } 4599 return true; 4600 } catch (RemoteException e) { 4601 Log.e(LOG_TAG, "Installing certificate", e); 4602 } finally { 4603 keyChainConnection.close(); 4604 } 4605 } catch (InterruptedException e) { 4606 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4607 Thread.currentThread().interrupt(); 4608 } finally { 4609 mInjector.binderRestoreCallingIdentity(id); 4610 } 4611 return false; 4612 } 4613 4614 @Override 4615 public boolean removeKeyPair(ComponentName who, String alias) { 4616 enforceCanManageInstalledKeys(who); 4617 4618 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4619 final long id = Binder.clearCallingIdentity(); 4620 try { 4621 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4622 try { 4623 IKeyChainService keyChain = keyChainConnection.getService(); 4624 return keyChain.removeKeyPair(alias); 4625 } catch (RemoteException e) { 4626 Log.e(LOG_TAG, "Removing keypair", e); 4627 } finally { 4628 keyChainConnection.close(); 4629 } 4630 } catch (InterruptedException e) { 4631 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4632 Thread.currentThread().interrupt(); 4633 } finally { 4634 Binder.restoreCallingIdentity(id); 4635 } 4636 return false; 4637 } 4638 4639 @Override 4640 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4641 final IBinder response) { 4642 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4643 if (!isCallerWithSystemUid()) { 4644 return; 4645 } 4646 4647 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4648 // If there is a profile owner, redirect to that; otherwise query the device owner. 4649 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4650 if (aliasChooser == null && caller.isSystem()) { 4651 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4652 if (deviceOwnerAdmin != null) { 4653 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4654 } 4655 } 4656 if (aliasChooser == null) { 4657 sendPrivateKeyAliasResponse(null, response); 4658 return; 4659 } 4660 4661 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4662 intent.setComponent(aliasChooser); 4663 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4664 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4665 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4666 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4667 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4668 4669 final long id = mInjector.binderClearCallingIdentity(); 4670 try { 4671 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4672 @Override 4673 public void onReceive(Context context, Intent intent) { 4674 final String chosenAlias = getResultData(); 4675 sendPrivateKeyAliasResponse(chosenAlias, response); 4676 } 4677 }, null, Activity.RESULT_OK, null, null); 4678 } finally { 4679 mInjector.binderRestoreCallingIdentity(id); 4680 } 4681 } 4682 4683 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4684 final IKeyChainAliasCallback keyChainAliasResponse = 4685 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4686 new AsyncTask<Void, Void, Void>() { 4687 @Override 4688 protected Void doInBackground(Void... unused) { 4689 try { 4690 keyChainAliasResponse.alias(alias); 4691 } catch (Exception e) { 4692 // Catch everything (not just RemoteException): caller could throw a 4693 // RuntimeException back across processes. 4694 Log.e(LOG_TAG, "error while responding to callback", e); 4695 } 4696 return null; 4697 } 4698 }.execute(); 4699 } 4700 4701 @Override 4702 public void setCertInstallerPackage(ComponentName who, String installerPackage) 4703 throws SecurityException { 4704 int userHandle = UserHandle.getCallingUserId(); 4705 synchronized (this) { 4706 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4707 if (getTargetSdk(who.getPackageName(), userHandle) >= Build.VERSION_CODES.N) { 4708 if (installerPackage != null && 4709 !isPackageInstalledForUser(installerPackage, userHandle)) { 4710 throw new IllegalArgumentException("Package " + installerPackage 4711 + " is not installed on the current user"); 4712 } 4713 } 4714 DevicePolicyData policy = getUserData(userHandle); 4715 policy.mDelegatedCertInstallerPackage = installerPackage; 4716 saveSettingsLocked(userHandle); 4717 } 4718 } 4719 4720 @Override 4721 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 4722 int userHandle = UserHandle.getCallingUserId(); 4723 synchronized (this) { 4724 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4725 DevicePolicyData policy = getUserData(userHandle); 4726 return policy.mDelegatedCertInstallerPackage; 4727 } 4728 } 4729 4730 /** 4731 * @return {@code true} if the package is installed and set as always-on, {@code false} if it is 4732 * not installed and therefore not available. 4733 * 4734 * @throws SecurityException if the caller is not a profile or device owner. 4735 * @throws UnsupportedOperationException if the package does not support being set as always-on. 4736 */ 4737 @Override 4738 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) 4739 throws SecurityException { 4740 synchronized (this) { 4741 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4742 } 4743 4744 final int userId = mInjector.userHandleGetCallingUserId(); 4745 final long token = mInjector.binderClearCallingIdentity(); 4746 try { 4747 if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { 4748 return false; 4749 } 4750 ConnectivityManager connectivityManager = (ConnectivityManager) 4751 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4752 if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { 4753 throw new UnsupportedOperationException(); 4754 } 4755 } finally { 4756 mInjector.binderRestoreCallingIdentity(token); 4757 } 4758 return true; 4759 } 4760 4761 @Override 4762 public String getAlwaysOnVpnPackage(ComponentName admin) 4763 throws SecurityException { 4764 synchronized (this) { 4765 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4766 } 4767 4768 final int userId = mInjector.userHandleGetCallingUserId(); 4769 final long token = mInjector.binderClearCallingIdentity(); 4770 try{ 4771 ConnectivityManager connectivityManager = (ConnectivityManager) 4772 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4773 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 4774 } finally { 4775 mInjector.binderRestoreCallingIdentity(token); 4776 } 4777 } 4778 4779 private void wipeDataLocked(boolean wipeExtRequested, String reason, boolean force) { 4780 if (wipeExtRequested) { 4781 StorageManager sm = (StorageManager) mContext.getSystemService( 4782 Context.STORAGE_SERVICE); 4783 sm.wipeAdoptableDisks(); 4784 } 4785 try { 4786 RecoverySystem.rebootWipeUserData(mContext, false /* shutdown */, reason, force); 4787 } catch (IOException | SecurityException e) { 4788 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 4789 } 4790 } 4791 4792 @Override 4793 public void wipeData(int flags) { 4794 if (!mHasFeature) { 4795 return; 4796 } 4797 final int userHandle = mInjector.userHandleGetCallingUserId(); 4798 enforceFullCrossUsersPermission(userHandle); 4799 synchronized (this) { 4800 // This API can only be called by an active device admin, 4801 // so try to retrieve it to check that the caller is one. 4802 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 4803 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 4804 4805 final String source = admin.info.getComponent().flattenToShortString(); 4806 4807 long ident = mInjector.binderClearCallingIdentity(); 4808 try { 4809 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 4810 if (!isDeviceOwner(admin.info.getComponent(), userHandle)) { 4811 throw new SecurityException( 4812 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 4813 } 4814 PersistentDataBlockManager manager = (PersistentDataBlockManager) 4815 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 4816 if (manager != null) { 4817 manager.wipe(); 4818 } 4819 } 4820 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 4821 // If the admin is the only one who has set the restriction: force wipe, even if 4822 // {@link UserManager.DISALLOW_FACTORY_RESET} is set. Reason is that the admin 4823 // could remove this user restriction anyway. 4824 boolean force = (userHandle == UserHandle.USER_SYSTEM) 4825 && isAdminOnlyOneWhoSetRestriction(admin, 4826 UserManager.DISALLOW_FACTORY_RESET, UserHandle.USER_SYSTEM); 4827 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 4828 "DevicePolicyManager.wipeData() from " + source, force); 4829 } finally { 4830 mInjector.binderRestoreCallingIdentity(ident); 4831 } 4832 } 4833 } 4834 4835 private boolean isAdminOnlyOneWhoSetRestriction(ActiveAdmin admin, String userRestriction, 4836 int userId) { 4837 int source = mUserManager.getUserRestrictionSource(userRestriction, UserHandle.of(userId)); 4838 if (isDeviceOwner(admin.info.getComponent(), userId)) { 4839 return source == UserManager.RESTRICTION_SOURCE_DEVICE_OWNER; 4840 } else if (isProfileOwner(admin.info.getComponent(), userId)) { 4841 return source == UserManager.RESTRICTION_SOURCE_PROFILE_OWNER; 4842 } 4843 return false; 4844 } 4845 4846 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, 4847 String reason, boolean force) { 4848 if (userHandle == UserHandle.USER_SYSTEM) { 4849 wipeDataLocked(wipeExtRequested, reason, force); 4850 } else { 4851 mHandler.post(new Runnable() { 4852 @Override 4853 public void run() { 4854 try { 4855 IActivityManager am = mInjector.getIActivityManager(); 4856 if (am.getCurrentUser().id == userHandle) { 4857 am.switchUser(UserHandle.USER_SYSTEM); 4858 } 4859 4860 boolean isManagedProfile = isManagedProfile(userHandle); 4861 if (!mUserManager.removeUser(userHandle)) { 4862 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 4863 } else if (isManagedProfile) { 4864 sendWipeProfileNotification(); 4865 } 4866 } catch (RemoteException re) { 4867 // Shouldn't happen 4868 } 4869 } 4870 }); 4871 } 4872 } 4873 4874 private void sendWipeProfileNotification() { 4875 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 4876 Notification notification = new Notification.Builder(mContext) 4877 .setSmallIcon(android.R.drawable.stat_sys_warning) 4878 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 4879 .setContentText(contentText) 4880 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 4881 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 4882 .build(); 4883 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 4884 } 4885 4886 private void clearWipeProfileNotification() { 4887 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 4888 } 4889 4890 @Override 4891 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 4892 if (!mHasFeature) { 4893 return; 4894 } 4895 enforceFullCrossUsersPermission(userHandle); 4896 mContext.enforceCallingOrSelfPermission( 4897 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4898 4899 synchronized (this) { 4900 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 4901 if (admin == null) { 4902 result.sendResult(null); 4903 return; 4904 } 4905 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 4906 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4907 intent.setComponent(admin.info.getComponent()); 4908 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 4909 null, new BroadcastReceiver() { 4910 @Override 4911 public void onReceive(Context context, Intent intent) { 4912 result.sendResult(getResultExtras(false)); 4913 } 4914 }, null, Activity.RESULT_OK, null, null); 4915 } 4916 } 4917 4918 @Override 4919 public void setActivePasswordState(PasswordMetrics metrics, int userHandle) { 4920 if (!mHasFeature) { 4921 return; 4922 } 4923 enforceFullCrossUsersPermission(userHandle); 4924 4925 // Managed Profile password can only be changed when it has a separate challenge. 4926 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4927 enforceNotManagedProfile(userHandle, "set the active password"); 4928 } 4929 4930 mContext.enforceCallingOrSelfPermission( 4931 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4932 validateQualityConstant(metrics.quality); 4933 4934 DevicePolicyData policy = getUserData(userHandle); 4935 4936 long ident = mInjector.binderClearCallingIdentity(); 4937 try { 4938 synchronized (this) { 4939 policy.mActivePasswordMetrics = metrics; 4940 policy.mFailedPasswordAttempts = 0; 4941 saveSettingsLocked(userHandle); 4942 updatePasswordExpirationsLocked(userHandle); 4943 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 4944 4945 // Send a broadcast to each profile using this password as its primary unlock. 4946 sendAdminCommandForLockscreenPoliciesLocked( 4947 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 4948 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 4949 } 4950 removeCaApprovalsIfNeeded(userHandle); 4951 } finally { 4952 mInjector.binderRestoreCallingIdentity(ident); 4953 } 4954 } 4955 4956 /** 4957 * Called any time the device password is updated. Resets all password expiration clocks. 4958 */ 4959 private void updatePasswordExpirationsLocked(int userHandle) { 4960 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 4961 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4962 userHandle, /* parent */ false); 4963 final int N = admins.size(); 4964 for (int i = 0; i < N; i++) { 4965 ActiveAdmin admin = admins.get(i); 4966 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 4967 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 4968 long timeout = admin.passwordExpirationTimeout; 4969 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 4970 admin.passwordExpirationDate = expiration; 4971 } 4972 } 4973 for (int affectedUserId : affectedUserIds) { 4974 saveSettingsLocked(affectedUserId); 4975 } 4976 } 4977 4978 @Override 4979 public void reportFailedPasswordAttempt(int userHandle) { 4980 enforceFullCrossUsersPermission(userHandle); 4981 if (!isSeparateProfileChallengeEnabled(userHandle)) { 4982 enforceNotManagedProfile(userHandle, 4983 "report failed password attempt if separate profile challenge is not in place"); 4984 } 4985 mContext.enforceCallingOrSelfPermission( 4986 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4987 4988 final long ident = mInjector.binderClearCallingIdentity(); 4989 try { 4990 boolean wipeData = false; 4991 int identifier = 0; 4992 synchronized (this) { 4993 DevicePolicyData policy = getUserData(userHandle); 4994 policy.mFailedPasswordAttempts++; 4995 saveSettingsLocked(userHandle); 4996 if (mHasFeature) { 4997 ActiveAdmin strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4998 userHandle, /* parent */ false); 4999 int max = strictestAdmin != null 5000 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 5001 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 5002 // Wipe the user/profile associated with the policy that was violated. This 5003 // is not necessarily calling user: if the policy that fired was from a 5004 // managed profile rather than the main user profile, we wipe former only. 5005 wipeData = true; 5006 identifier = strictestAdmin.getUserHandle().getIdentifier(); 5007 } 5008 5009 sendAdminCommandForLockscreenPoliciesLocked( 5010 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 5011 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5012 } 5013 } 5014 if (wipeData) { 5015 // Call without holding lock. 5016 wipeDeviceOrUserLocked(false, identifier, 5017 "reportFailedPasswordAttempt()", false); 5018 } 5019 } finally { 5020 mInjector.binderRestoreCallingIdentity(ident); 5021 } 5022 5023 if (mInjector.securityLogIsLoggingEnabled()) { 5024 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5025 /*method strength*/ 1); 5026 } 5027 } 5028 5029 @Override 5030 public void reportSuccessfulPasswordAttempt(int userHandle) { 5031 enforceFullCrossUsersPermission(userHandle); 5032 mContext.enforceCallingOrSelfPermission( 5033 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5034 5035 synchronized (this) { 5036 DevicePolicyData policy = getUserData(userHandle); 5037 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 5038 long ident = mInjector.binderClearCallingIdentity(); 5039 try { 5040 policy.mFailedPasswordAttempts = 0; 5041 policy.mPasswordOwner = -1; 5042 saveSettingsLocked(userHandle); 5043 if (mHasFeature) { 5044 sendAdminCommandForLockscreenPoliciesLocked( 5045 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 5046 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5047 } 5048 } finally { 5049 mInjector.binderRestoreCallingIdentity(ident); 5050 } 5051 } 5052 } 5053 5054 if (mInjector.securityLogIsLoggingEnabled()) { 5055 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5056 /*method strength*/ 1); 5057 } 5058 } 5059 5060 @Override 5061 public void reportFailedFingerprintAttempt(int userHandle) { 5062 enforceFullCrossUsersPermission(userHandle); 5063 mContext.enforceCallingOrSelfPermission( 5064 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5065 if (mInjector.securityLogIsLoggingEnabled()) { 5066 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5067 /*method strength*/ 0); 5068 } 5069 } 5070 5071 @Override 5072 public void reportSuccessfulFingerprintAttempt(int userHandle) { 5073 enforceFullCrossUsersPermission(userHandle); 5074 mContext.enforceCallingOrSelfPermission( 5075 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5076 if (mInjector.securityLogIsLoggingEnabled()) { 5077 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5078 /*method strength*/ 0); 5079 } 5080 } 5081 5082 @Override 5083 public void reportKeyguardDismissed(int userHandle) { 5084 enforceFullCrossUsersPermission(userHandle); 5085 mContext.enforceCallingOrSelfPermission( 5086 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5087 5088 if (mInjector.securityLogIsLoggingEnabled()) { 5089 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 5090 } 5091 } 5092 5093 @Override 5094 public void reportKeyguardSecured(int userHandle) { 5095 enforceFullCrossUsersPermission(userHandle); 5096 mContext.enforceCallingOrSelfPermission( 5097 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5098 5099 if (mInjector.securityLogIsLoggingEnabled()) { 5100 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 5101 } 5102 } 5103 5104 @Override 5105 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 5106 String exclusionList) { 5107 if (!mHasFeature) { 5108 return null; 5109 } 5110 synchronized(this) { 5111 Preconditions.checkNotNull(who, "ComponentName is null"); 5112 5113 // Only check if system user has set global proxy. We don't allow other users to set it. 5114 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5115 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5116 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 5117 5118 // Scan through active admins and find if anyone has already 5119 // set the global proxy. 5120 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 5121 for (ComponentName component : compSet) { 5122 ActiveAdmin ap = policy.mAdminMap.get(component); 5123 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 5124 // Another admin already sets the global proxy 5125 // Return it to the caller. 5126 return component; 5127 } 5128 } 5129 5130 // If the user is not system, don't set the global proxy. Fail silently. 5131 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 5132 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 5133 + UserHandle.getCallingUserId() + " is not permitted."); 5134 return null; 5135 } 5136 if (proxySpec == null) { 5137 admin.specifiesGlobalProxy = false; 5138 admin.globalProxySpec = null; 5139 admin.globalProxyExclusionList = null; 5140 } else { 5141 5142 admin.specifiesGlobalProxy = true; 5143 admin.globalProxySpec = proxySpec; 5144 admin.globalProxyExclusionList = exclusionList; 5145 } 5146 5147 // Reset the global proxy accordingly 5148 // Do this using system permissions, as apps cannot write to secure settings 5149 long origId = mInjector.binderClearCallingIdentity(); 5150 try { 5151 resetGlobalProxyLocked(policy); 5152 } finally { 5153 mInjector.binderRestoreCallingIdentity(origId); 5154 } 5155 return null; 5156 } 5157 } 5158 5159 @Override 5160 public ComponentName getGlobalProxyAdmin(int userHandle) { 5161 if (!mHasFeature) { 5162 return null; 5163 } 5164 enforceFullCrossUsersPermission(userHandle); 5165 synchronized(this) { 5166 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5167 // Scan through active admins and find if anyone has already 5168 // set the global proxy. 5169 final int N = policy.mAdminList.size(); 5170 for (int i = 0; i < N; i++) { 5171 ActiveAdmin ap = policy.mAdminList.get(i); 5172 if (ap.specifiesGlobalProxy) { 5173 // Device admin sets the global proxy 5174 // Return it to the caller. 5175 return ap.info.getComponent(); 5176 } 5177 } 5178 } 5179 // No device admin sets the global proxy. 5180 return null; 5181 } 5182 5183 @Override 5184 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 5185 synchronized (this) { 5186 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5187 } 5188 long token = mInjector.binderClearCallingIdentity(); 5189 try { 5190 ConnectivityManager connectivityManager = (ConnectivityManager) 5191 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5192 connectivityManager.setGlobalProxy(proxyInfo); 5193 } finally { 5194 mInjector.binderRestoreCallingIdentity(token); 5195 } 5196 } 5197 5198 private void resetGlobalProxyLocked(DevicePolicyData policy) { 5199 final int N = policy.mAdminList.size(); 5200 for (int i = 0; i < N; i++) { 5201 ActiveAdmin ap = policy.mAdminList.get(i); 5202 if (ap.specifiesGlobalProxy) { 5203 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 5204 return; 5205 } 5206 } 5207 // No device admins defining global proxies - reset global proxy settings to none 5208 saveGlobalProxyLocked(null, null); 5209 } 5210 5211 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 5212 if (exclusionList == null) { 5213 exclusionList = ""; 5214 } 5215 if (proxySpec == null) { 5216 proxySpec = ""; 5217 } 5218 // Remove white spaces 5219 proxySpec = proxySpec.trim(); 5220 String data[] = proxySpec.split(":"); 5221 int proxyPort = 8080; 5222 if (data.length > 1) { 5223 try { 5224 proxyPort = Integer.parseInt(data[1]); 5225 } catch (NumberFormatException e) {} 5226 } 5227 exclusionList = exclusionList.trim(); 5228 5229 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 5230 if (!proxyProperties.isValid()) { 5231 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 5232 return; 5233 } 5234 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 5235 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 5236 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 5237 exclusionList); 5238 } 5239 5240 /** 5241 * Set the storage encryption request for a single admin. Returns the new total request 5242 * status (for all admins). 5243 */ 5244 @Override 5245 public int setStorageEncryption(ComponentName who, boolean encrypt) { 5246 if (!mHasFeature) { 5247 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5248 } 5249 Preconditions.checkNotNull(who, "ComponentName is null"); 5250 final int userHandle = UserHandle.getCallingUserId(); 5251 synchronized (this) { 5252 // Check for permissions 5253 // Only system user can set storage encryption 5254 if (userHandle != UserHandle.USER_SYSTEM) { 5255 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 5256 + UserHandle.getCallingUserId() + " is not permitted."); 5257 return 0; 5258 } 5259 5260 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5261 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 5262 5263 // Quick exit: If the filesystem does not support encryption, we can exit early. 5264 if (!isEncryptionSupported()) { 5265 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5266 } 5267 5268 // (1) Record the value for the admin so it's sticky 5269 if (ap.encryptionRequested != encrypt) { 5270 ap.encryptionRequested = encrypt; 5271 saveSettingsLocked(userHandle); 5272 } 5273 5274 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5275 // (2) Compute "max" for all admins 5276 boolean newRequested = false; 5277 final int N = policy.mAdminList.size(); 5278 for (int i = 0; i < N; i++) { 5279 newRequested |= policy.mAdminList.get(i).encryptionRequested; 5280 } 5281 5282 // Notify OS of new request 5283 setEncryptionRequested(newRequested); 5284 5285 // Return the new global request status 5286 return newRequested 5287 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5288 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5289 } 5290 } 5291 5292 /** 5293 * Get the current storage encryption request status for a given admin, or aggregate of all 5294 * active admins. 5295 */ 5296 @Override 5297 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5298 if (!mHasFeature) { 5299 return false; 5300 } 5301 enforceFullCrossUsersPermission(userHandle); 5302 synchronized (this) { 5303 // Check for permissions if a particular caller is specified 5304 if (who != null) { 5305 // When checking for a single caller, status is based on caller's request 5306 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5307 return ap != null ? ap.encryptionRequested : false; 5308 } 5309 5310 // If no particular caller is specified, return the aggregate set of requests. 5311 // This is short circuited by returning true on the first hit. 5312 DevicePolicyData policy = getUserData(userHandle); 5313 final int N = policy.mAdminList.size(); 5314 for (int i = 0; i < N; i++) { 5315 if (policy.mAdminList.get(i).encryptionRequested) { 5316 return true; 5317 } 5318 } 5319 return false; 5320 } 5321 } 5322 5323 /** 5324 * Get the current encryption status of the device. 5325 */ 5326 @Override 5327 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5328 if (!mHasFeature) { 5329 // Ok to return current status. 5330 } 5331 enforceFullCrossUsersPermission(userHandle); 5332 5333 // It's not critical here, but let's make sure the package name is correct, in case 5334 // we start using it for different purposes. 5335 ensureCallerPackage(callerPackage); 5336 5337 final ApplicationInfo ai; 5338 try { 5339 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5340 } catch (RemoteException e) { 5341 throw new SecurityException(e); 5342 } 5343 5344 boolean legacyApp = false; 5345 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5346 legacyApp = true; 5347 } 5348 5349 final int rawStatus = getEncryptionStatus(); 5350 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5351 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5352 } 5353 return rawStatus; 5354 } 5355 5356 /** 5357 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5358 */ 5359 private boolean isEncryptionSupported() { 5360 // Note, this can be implemented as 5361 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5362 // But is provided as a separate internal method if there's a faster way to do a 5363 // simple check for supported-or-not. 5364 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5365 } 5366 5367 /** 5368 * Hook to low-levels: Reporting the current status of encryption. 5369 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5370 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5371 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5372 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5373 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5374 */ 5375 private int getEncryptionStatus() { 5376 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5377 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5378 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5379 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5380 } else if (mInjector.storageManagerIsEncrypted()) { 5381 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5382 } else if (mInjector.storageManagerIsEncryptable()) { 5383 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5384 } else { 5385 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5386 } 5387 } 5388 5389 /** 5390 * Hook to low-levels: If needed, record the new admin setting for encryption. 5391 */ 5392 private void setEncryptionRequested(boolean encrypt) { 5393 } 5394 5395 /** 5396 * Set whether the screen capture is disabled for the user managed by the specified admin. 5397 */ 5398 @Override 5399 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5400 if (!mHasFeature) { 5401 return; 5402 } 5403 Preconditions.checkNotNull(who, "ComponentName is null"); 5404 final int userHandle = UserHandle.getCallingUserId(); 5405 synchronized (this) { 5406 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5407 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5408 if (ap.disableScreenCapture != disabled) { 5409 ap.disableScreenCapture = disabled; 5410 saveSettingsLocked(userHandle); 5411 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5412 } 5413 } 5414 } 5415 5416 /** 5417 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5418 * active admin (if given admin is null). 5419 */ 5420 @Override 5421 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 5422 if (!mHasFeature) { 5423 return false; 5424 } 5425 synchronized (this) { 5426 if (who != null) { 5427 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5428 return (admin != null) ? admin.disableScreenCapture : false; 5429 } 5430 5431 DevicePolicyData policy = getUserData(userHandle); 5432 final int N = policy.mAdminList.size(); 5433 for (int i = 0; i < N; i++) { 5434 ActiveAdmin admin = policy.mAdminList.get(i); 5435 if (admin.disableScreenCapture) { 5436 return true; 5437 } 5438 } 5439 return false; 5440 } 5441 } 5442 5443 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 5444 final boolean disabled) { 5445 mHandler.post(new Runnable() { 5446 @Override 5447 public void run() { 5448 try { 5449 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 5450 } catch (RemoteException e) { 5451 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 5452 } 5453 } 5454 }); 5455 } 5456 5457 /** 5458 * Set whether auto time is required by the specified admin (must be device owner). 5459 */ 5460 @Override 5461 public void setAutoTimeRequired(ComponentName who, boolean required) { 5462 if (!mHasFeature) { 5463 return; 5464 } 5465 Preconditions.checkNotNull(who, "ComponentName is null"); 5466 final int userHandle = UserHandle.getCallingUserId(); 5467 synchronized (this) { 5468 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5469 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5470 if (admin.requireAutoTime != required) { 5471 admin.requireAutoTime = required; 5472 saveSettingsLocked(userHandle); 5473 } 5474 } 5475 5476 // Turn AUTO_TIME on in settings if it is required 5477 if (required) { 5478 long ident = mInjector.binderClearCallingIdentity(); 5479 try { 5480 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 5481 } finally { 5482 mInjector.binderRestoreCallingIdentity(ident); 5483 } 5484 } 5485 } 5486 5487 /** 5488 * Returns whether or not auto time is required by the device owner. 5489 */ 5490 @Override 5491 public boolean getAutoTimeRequired() { 5492 if (!mHasFeature) { 5493 return false; 5494 } 5495 synchronized (this) { 5496 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5497 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 5498 } 5499 } 5500 5501 @Override 5502 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 5503 if (!mHasFeature) { 5504 return; 5505 } 5506 Preconditions.checkNotNull(who, "ComponentName is null"); 5507 // Allow setting this policy to true only if there is a split system user. 5508 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 5509 throw new UnsupportedOperationException( 5510 "Cannot force ephemeral users on systems without split system user."); 5511 } 5512 boolean removeAllUsers = false; 5513 synchronized (this) { 5514 final ActiveAdmin deviceOwner = 5515 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5516 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 5517 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 5518 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 5519 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 5520 removeAllUsers = forceEphemeralUsers; 5521 } 5522 } 5523 if (removeAllUsers) { 5524 long identitity = mInjector.binderClearCallingIdentity(); 5525 try { 5526 mUserManagerInternal.removeAllUsers(); 5527 } finally { 5528 mInjector.binderRestoreCallingIdentity(identitity); 5529 } 5530 } 5531 } 5532 5533 @Override 5534 public boolean getForceEphemeralUsers(ComponentName who) { 5535 if (!mHasFeature) { 5536 return false; 5537 } 5538 Preconditions.checkNotNull(who, "ComponentName is null"); 5539 synchronized (this) { 5540 final ActiveAdmin deviceOwner = 5541 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5542 return deviceOwner.forceEphemeralUsers; 5543 } 5544 } 5545 5546 private boolean isDeviceOwnerManagedSingleUserDevice() { 5547 synchronized (this) { 5548 if (!mOwners.hasDeviceOwner()) { 5549 return false; 5550 } 5551 } 5552 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5553 try { 5554 if (mInjector.userManagerIsSplitSystemUser()) { 5555 // In split system user mode, only allow the case where the device owner is managing 5556 // the only non-system user of the device 5557 return (mUserManager.getUserCount() == 2 5558 && mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM); 5559 } else { 5560 return mUserManager.getUserCount() == 1; 5561 } 5562 } finally { 5563 mInjector.binderRestoreCallingIdentity(callingIdentity); 5564 } 5565 } 5566 5567 private void ensureDeviceOwnerManagingSingleUser(ComponentName who) throws SecurityException { 5568 synchronized (this) { 5569 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5570 } 5571 if (!isDeviceOwnerManagedSingleUserDevice()) { 5572 throw new SecurityException( 5573 "There should only be one user, managed by Device Owner"); 5574 } 5575 } 5576 5577 @Override 5578 public boolean requestBugreport(ComponentName who) { 5579 if (!mHasFeature) { 5580 return false; 5581 } 5582 Preconditions.checkNotNull(who, "ComponentName is null"); 5583 ensureDeviceOwnerManagingSingleUser(who); 5584 5585 if (mRemoteBugreportServiceIsActive.get() 5586 || (getDeviceOwnerRemoteBugreportUri() != null)) { 5587 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 5588 return false; 5589 } 5590 5591 final long currentTime = System.currentTimeMillis(); 5592 synchronized (this) { 5593 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 5594 if (currentTime > policyData.mLastBugReportRequestTime) { 5595 policyData.mLastBugReportRequestTime = currentTime; 5596 saveSettingsLocked(UserHandle.USER_SYSTEM); 5597 } 5598 } 5599 5600 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5601 try { 5602 mInjector.getIActivityManager().requestBugReport( 5603 ActivityManager.BUGREPORT_OPTION_REMOTE); 5604 5605 mRemoteBugreportServiceIsActive.set(true); 5606 mRemoteBugreportSharingAccepted.set(false); 5607 registerRemoteBugreportReceivers(); 5608 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5609 RemoteBugreportUtils.buildNotification(mContext, 5610 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 5611 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 5612 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 5613 return true; 5614 } catch (RemoteException re) { 5615 // should never happen 5616 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 5617 return false; 5618 } finally { 5619 mInjector.binderRestoreCallingIdentity(callingIdentity); 5620 } 5621 } 5622 5623 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 5624 Intent intent = new Intent(action); 5625 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5626 if (extras != null) { 5627 intent.putExtras(extras); 5628 } 5629 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5630 } 5631 5632 private synchronized String getDeviceOwnerRemoteBugreportUri() { 5633 return mOwners.getDeviceOwnerRemoteBugreportUri(); 5634 } 5635 5636 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 5637 String bugreportHash) { 5638 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 5639 } 5640 5641 private void registerRemoteBugreportReceivers() { 5642 try { 5643 IntentFilter filterFinished = new IntentFilter( 5644 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 5645 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5646 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 5647 } catch (IntentFilter.MalformedMimeTypeException e) { 5648 // should never happen, as setting a constant 5649 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 5650 } 5651 IntentFilter filterConsent = new IntentFilter(); 5652 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 5653 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 5654 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 5655 } 5656 5657 private void onBugreportFinished(Intent intent) { 5658 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5659 mRemoteBugreportServiceIsActive.set(false); 5660 Uri bugreportUri = intent.getData(); 5661 String bugreportUriString = null; 5662 if (bugreportUri != null) { 5663 bugreportUriString = bugreportUri.toString(); 5664 } 5665 String bugreportHash = intent.getStringExtra( 5666 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 5667 if (mRemoteBugreportSharingAccepted.get()) { 5668 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5669 mInjector.getNotificationManager().cancel(LOG_TAG, 5670 RemoteBugreportUtils.NOTIFICATION_ID); 5671 } else { 5672 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 5673 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5674 RemoteBugreportUtils.buildNotification(mContext, 5675 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 5676 UserHandle.ALL); 5677 } 5678 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5679 } 5680 5681 private void onBugreportFailed() { 5682 mRemoteBugreportServiceIsActive.set(false); 5683 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5684 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5685 mRemoteBugreportSharingAccepted.set(false); 5686 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5687 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 5688 Bundle extras = new Bundle(); 5689 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5690 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 5691 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5692 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 5693 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5694 } 5695 5696 private void onBugreportSharingAccepted() { 5697 mRemoteBugreportSharingAccepted.set(true); 5698 String bugreportUriString = null; 5699 String bugreportHash = null; 5700 synchronized (this) { 5701 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 5702 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 5703 } 5704 if (bugreportUriString != null) { 5705 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5706 } else if (mRemoteBugreportServiceIsActive.get()) { 5707 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5708 RemoteBugreportUtils.buildNotification(mContext, 5709 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 5710 UserHandle.ALL); 5711 } 5712 } 5713 5714 private void onBugreportSharingDeclined() { 5715 if (mRemoteBugreportServiceIsActive.get()) { 5716 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5717 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5718 mRemoteBugreportServiceIsActive.set(false); 5719 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5720 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5721 } 5722 mRemoteBugreportSharingAccepted.set(false); 5723 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5724 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 5725 } 5726 5727 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 5728 String bugreportHash) { 5729 ParcelFileDescriptor pfd = null; 5730 try { 5731 if (bugreportUriString == null) { 5732 throw new FileNotFoundException(); 5733 } 5734 Uri bugreportUri = Uri.parse(bugreportUriString); 5735 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 5736 5737 synchronized (this) { 5738 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 5739 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5740 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5741 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 5742 mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), 5743 bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION); 5744 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5745 } 5746 } catch (FileNotFoundException e) { 5747 Bundle extras = new Bundle(); 5748 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5749 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 5750 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5751 } finally { 5752 try { 5753 if (pfd != null) { 5754 pfd.close(); 5755 } 5756 } catch (IOException ex) { 5757 // Ignore 5758 } 5759 mRemoteBugreportSharingAccepted.set(false); 5760 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5761 } 5762 } 5763 5764 /** 5765 * Disables all device cameras according to the specified admin. 5766 */ 5767 @Override 5768 public void setCameraDisabled(ComponentName who, boolean disabled) { 5769 if (!mHasFeature) { 5770 return; 5771 } 5772 Preconditions.checkNotNull(who, "ComponentName is null"); 5773 final int userHandle = mInjector.userHandleGetCallingUserId(); 5774 synchronized (this) { 5775 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5776 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 5777 if (ap.disableCamera != disabled) { 5778 ap.disableCamera = disabled; 5779 saveSettingsLocked(userHandle); 5780 } 5781 } 5782 // Tell the user manager that the restrictions have changed. 5783 pushUserRestrictions(userHandle); 5784 } 5785 5786 /** 5787 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 5788 * active admins. 5789 */ 5790 @Override 5791 public boolean getCameraDisabled(ComponentName who, int userHandle) { 5792 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 5793 } 5794 5795 private boolean getCameraDisabled(ComponentName who, int userHandle, 5796 boolean mergeDeviceOwnerRestriction) { 5797 if (!mHasFeature) { 5798 return false; 5799 } 5800 synchronized (this) { 5801 if (who != null) { 5802 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5803 return (admin != null) ? admin.disableCamera : false; 5804 } 5805 // First, see if DO has set it. If so, it's device-wide. 5806 if (mergeDeviceOwnerRestriction) { 5807 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5808 if (deviceOwner != null && deviceOwner.disableCamera) { 5809 return true; 5810 } 5811 } 5812 5813 // Then check each device admin on the user. 5814 DevicePolicyData policy = getUserData(userHandle); 5815 // Determine whether or not the device camera is disabled for any active admins. 5816 final int N = policy.mAdminList.size(); 5817 for (int i = 0; i < N; i++) { 5818 ActiveAdmin admin = policy.mAdminList.get(i); 5819 if (admin.disableCamera) { 5820 return true; 5821 } 5822 } 5823 return false; 5824 } 5825 } 5826 5827 @Override 5828 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 5829 if (!mHasFeature) { 5830 return; 5831 } 5832 Preconditions.checkNotNull(who, "ComponentName is null"); 5833 final int userHandle = mInjector.userHandleGetCallingUserId(); 5834 if (isManagedProfile(userHandle)) { 5835 if (parent) { 5836 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 5837 } else { 5838 which = which & PROFILE_KEYGUARD_FEATURES; 5839 } 5840 } 5841 synchronized (this) { 5842 ActiveAdmin ap = getActiveAdminForCallerLocked( 5843 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 5844 if (ap.disabledKeyguardFeatures != which) { 5845 ap.disabledKeyguardFeatures = which; 5846 saveSettingsLocked(userHandle); 5847 } 5848 } 5849 } 5850 5851 /** 5852 * Gets the disabled state for features in keyguard for the given admin, 5853 * or the aggregate of all active admins if who is null. 5854 */ 5855 @Override 5856 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 5857 if (!mHasFeature) { 5858 return 0; 5859 } 5860 enforceFullCrossUsersPermission(userHandle); 5861 final long ident = mInjector.binderClearCallingIdentity(); 5862 try { 5863 synchronized (this) { 5864 if (who != null) { 5865 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 5866 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 5867 } 5868 5869 final List<ActiveAdmin> admins; 5870 if (!parent && isManagedProfile(userHandle)) { 5871 // If we are being asked about a managed profile, just return keyguard features 5872 // disabled by admins in the profile. 5873 admins = getUserDataUnchecked(userHandle).mAdminList; 5874 } else { 5875 // Otherwise return those set by admins in the user and its profiles. 5876 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 5877 } 5878 5879 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 5880 final int N = admins.size(); 5881 for (int i = 0; i < N; i++) { 5882 ActiveAdmin admin = admins.get(i); 5883 int userId = admin.getUserHandle().getIdentifier(); 5884 boolean isRequestedUser = !parent && (userId == userHandle); 5885 if (isRequestedUser || !isManagedProfile(userId)) { 5886 // If we are being asked explicitly about this user 5887 // return all disabled features even if its a managed profile. 5888 which |= admin.disabledKeyguardFeatures; 5889 } else { 5890 // Otherwise a managed profile is only allowed to disable 5891 // some features on the parent user. 5892 which |= (admin.disabledKeyguardFeatures 5893 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 5894 } 5895 } 5896 return which; 5897 } 5898 } finally { 5899 mInjector.binderRestoreCallingIdentity(ident); 5900 } 5901 } 5902 5903 @Override 5904 public void setKeepUninstalledPackages(ComponentName who, List<String> packageList) { 5905 if (!mHasFeature) { 5906 return; 5907 } 5908 Preconditions.checkNotNull(who, "ComponentName is null"); 5909 Preconditions.checkNotNull(packageList, "packageList is null"); 5910 final int userHandle = UserHandle.getCallingUserId(); 5911 synchronized (this) { 5912 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5913 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5914 admin.keepUninstalledPackages = packageList; 5915 saveSettingsLocked(userHandle); 5916 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 5917 } 5918 } 5919 5920 @Override 5921 public List<String> getKeepUninstalledPackages(ComponentName who) { 5922 Preconditions.checkNotNull(who, "ComponentName is null"); 5923 if (!mHasFeature) { 5924 return null; 5925 } 5926 // TODO In split system user mode, allow apps on user 0 to query the list 5927 synchronized (this) { 5928 // Check if this is the device owner who is calling 5929 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5930 return getKeepUninstalledPackagesLocked(); 5931 } 5932 } 5933 5934 private List<String> getKeepUninstalledPackagesLocked() { 5935 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5936 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 5937 } 5938 5939 @Override 5940 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 5941 if (!mHasFeature) { 5942 return false; 5943 } 5944 if (admin == null 5945 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 5946 throw new IllegalArgumentException("Invalid component " + admin 5947 + " for device owner"); 5948 } 5949 synchronized (this) { 5950 enforceCanSetDeviceOwnerLocked(admin, userId); 5951 if (getActiveAdminUncheckedLocked(admin, userId) == null 5952 || getUserData(userId).mRemovingAdmins.contains(admin)) { 5953 throw new IllegalArgumentException("Not active admin: " + admin); 5954 } 5955 5956 // Shutting down backup manager service permanently. 5957 long ident = mInjector.binderClearCallingIdentity(); 5958 try { 5959 if (mInjector.getIBackupManager() != null) { 5960 mInjector.getIBackupManager() 5961 .setBackupServiceActive(UserHandle.USER_SYSTEM, false); 5962 } 5963 } catch (RemoteException e) { 5964 throw new IllegalStateException("Failed deactivating backup service.", e); 5965 } finally { 5966 mInjector.binderRestoreCallingIdentity(ident); 5967 } 5968 5969 if (isAdb()) { 5970 // Log device owner provisioning was started using adb. 5971 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_DEVICE_OWNER); 5972 } 5973 5974 mOwners.setDeviceOwner(admin, ownerName, userId); 5975 mOwners.writeDeviceOwner(); 5976 updateDeviceOwnerLocked(); 5977 setDeviceOwnerSystemPropertyLocked(); 5978 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 5979 5980 ident = mInjector.binderClearCallingIdentity(); 5981 try { 5982 // TODO Send to system too? 5983 mContext.sendBroadcastAsUser(intent, new UserHandle(userId)); 5984 } finally { 5985 mInjector.binderRestoreCallingIdentity(ident); 5986 } 5987 Slog.i(LOG_TAG, "Device owner set: " + admin + " on user " + userId); 5988 return true; 5989 } 5990 } 5991 5992 @Override 5993 public boolean hasDeviceOwner() { 5994 enforceDeviceOwnerOrManageUsers(); 5995 return mOwners.hasDeviceOwner(); 5996 } 5997 5998 boolean isDeviceOwner(ActiveAdmin admin) { 5999 return isDeviceOwner(admin.info.getComponent(), admin.getUserHandle().getIdentifier()); 6000 } 6001 6002 public boolean isDeviceOwner(ComponentName who, int userId) { 6003 synchronized (this) { 6004 return mOwners.hasDeviceOwner() 6005 && mOwners.getDeviceOwnerUserId() == userId 6006 && mOwners.getDeviceOwnerComponent().equals(who); 6007 } 6008 } 6009 6010 public boolean isProfileOwner(ComponentName who, int userId) { 6011 final ComponentName profileOwner = getProfileOwner(userId); 6012 return who != null && who.equals(profileOwner); 6013 } 6014 6015 @Override 6016 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 6017 if (!mHasFeature) { 6018 return null; 6019 } 6020 if (!callingUserOnly) { 6021 enforceManageUsers(); 6022 } 6023 synchronized (this) { 6024 if (!mOwners.hasDeviceOwner()) { 6025 return null; 6026 } 6027 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 6028 mOwners.getDeviceOwnerUserId()) { 6029 return null; 6030 } 6031 return mOwners.getDeviceOwnerComponent(); 6032 } 6033 } 6034 6035 @Override 6036 public int getDeviceOwnerUserId() { 6037 if (!mHasFeature) { 6038 return UserHandle.USER_NULL; 6039 } 6040 enforceManageUsers(); 6041 synchronized (this) { 6042 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 6043 } 6044 } 6045 6046 /** 6047 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 6048 * MANAGE_USERS. 6049 */ 6050 @Override 6051 public String getDeviceOwnerName() { 6052 if (!mHasFeature) { 6053 return null; 6054 } 6055 enforceManageUsers(); 6056 synchronized (this) { 6057 if (!mOwners.hasDeviceOwner()) { 6058 return null; 6059 } 6060 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 6061 // Should setDeviceOwner/ProfileOwner still take a name? 6062 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 6063 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 6064 } 6065 } 6066 6067 // Returns the active device owner or null if there is no device owner. 6068 @VisibleForTesting 6069 ActiveAdmin getDeviceOwnerAdminLocked() { 6070 ComponentName component = mOwners.getDeviceOwnerComponent(); 6071 if (component == null) { 6072 return null; 6073 } 6074 6075 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 6076 final int n = policy.mAdminList.size(); 6077 for (int i = 0; i < n; i++) { 6078 ActiveAdmin admin = policy.mAdminList.get(i); 6079 if (component.equals(admin.info.getComponent())) { 6080 return admin; 6081 } 6082 } 6083 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 6084 return null; 6085 } 6086 6087 @Override 6088 public void clearDeviceOwner(String packageName) { 6089 Preconditions.checkNotNull(packageName, "packageName is null"); 6090 final int callingUid = mInjector.binderGetCallingUid(); 6091 try { 6092 int uid = mContext.getPackageManager().getPackageUidAsUser(packageName, 6093 UserHandle.getUserId(callingUid)); 6094 if (uid != callingUid) { 6095 throw new SecurityException("Invalid packageName"); 6096 } 6097 } catch (NameNotFoundException e) { 6098 throw new SecurityException(e); 6099 } 6100 synchronized (this) { 6101 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 6102 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 6103 if (!mOwners.hasDeviceOwner() 6104 || !deviceOwnerComponent.getPackageName().equals(packageName) 6105 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 6106 throw new SecurityException( 6107 "clearDeviceOwner can only be called by the device owner"); 6108 } 6109 enforceUserUnlocked(deviceOwnerUserId); 6110 6111 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 6112 long ident = mInjector.binderClearCallingIdentity(); 6113 try { 6114 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 6115 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 6116 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 6117 mContext.sendBroadcastAsUser(intent, UserHandle.of(deviceOwnerUserId)); 6118 } finally { 6119 mInjector.binderRestoreCallingIdentity(ident); 6120 } 6121 Slog.i(LOG_TAG, "Device owner removed: " + deviceOwnerComponent); 6122 } 6123 } 6124 6125 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 6126 if (admin != null) { 6127 admin.disableCamera = false; 6128 admin.userRestrictions = null; 6129 admin.forceEphemeralUsers = false; 6130 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 6131 final DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 6132 policyData.mLastSecurityLogRetrievalTime = -1; 6133 policyData.mLastBugReportRequestTime = -1; 6134 policyData.mLastNetworkLogsRetrievalTime = -1; 6135 saveSettingsLocked(UserHandle.USER_SYSTEM); 6136 } 6137 clearUserPoliciesLocked(userId); 6138 6139 mOwners.clearDeviceOwner(); 6140 mOwners.writeDeviceOwner(); 6141 updateDeviceOwnerLocked(); 6142 disableDeviceOwnerManagedSingleUserFeaturesIfNeeded(); 6143 try { 6144 if (mInjector.getIBackupManager() != null) { 6145 // Reactivate backup service. 6146 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 6147 } 6148 } catch (RemoteException e) { 6149 throw new IllegalStateException("Failed reactivating backup service.", e); 6150 } 6151 } 6152 6153 @Override 6154 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 6155 if (!mHasFeature) { 6156 return false; 6157 } 6158 if (who == null 6159 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 6160 throw new IllegalArgumentException("Component " + who 6161 + " not installed for userId:" + userHandle); 6162 } 6163 synchronized (this) { 6164 enforceCanSetProfileOwnerLocked(who, userHandle); 6165 6166 if (getActiveAdminUncheckedLocked(who, userHandle) == null 6167 || getUserData(userHandle).mRemovingAdmins.contains(who)) { 6168 throw new IllegalArgumentException("Not active admin: " + who); 6169 } 6170 6171 if (isAdb()) { 6172 // Log profile owner provisioning was started using adb. 6173 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_PROFILE_OWNER); 6174 } 6175 6176 mOwners.setProfileOwner(who, ownerName, userHandle); 6177 mOwners.writeProfileOwner(userHandle); 6178 Slog.i(LOG_TAG, "Profile owner set: " + who + " on user " + userHandle); 6179 return true; 6180 } 6181 } 6182 6183 @Override 6184 public void clearProfileOwner(ComponentName who) { 6185 if (!mHasFeature) { 6186 return; 6187 } 6188 final UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 6189 final int userId = callingUser.getIdentifier(); 6190 enforceNotManagedProfile(userId, "clear profile owner"); 6191 enforceUserUnlocked(userId); 6192 // Check if this is the profile owner who is calling 6193 final ActiveAdmin admin = 6194 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6195 synchronized (this) { 6196 final long ident = mInjector.binderClearCallingIdentity(); 6197 try { 6198 clearProfileOwnerLocked(admin, userId); 6199 removeActiveAdminLocked(who, userId); 6200 } finally { 6201 mInjector.binderRestoreCallingIdentity(ident); 6202 } 6203 Slog.i(LOG_TAG, "Profile owner " + who + " removed from user " + userId); 6204 } 6205 } 6206 6207 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 6208 if (admin != null) { 6209 admin.disableCamera = false; 6210 admin.userRestrictions = null; 6211 } 6212 clearUserPoliciesLocked(userId); 6213 mOwners.removeProfileOwner(userId); 6214 mOwners.writeProfileOwner(userId); 6215 } 6216 6217 @Override 6218 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 6219 Preconditions.checkNotNull(who, "ComponentName is null"); 6220 if (!mHasFeature) { 6221 return; 6222 } 6223 6224 synchronized (this) { 6225 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6226 long token = mInjector.binderClearCallingIdentity(); 6227 try { 6228 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 6229 } finally { 6230 mInjector.binderRestoreCallingIdentity(token); 6231 } 6232 } 6233 } 6234 6235 @Override 6236 public CharSequence getDeviceOwnerLockScreenInfo() { 6237 return mLockPatternUtils.getDeviceOwnerInfo(); 6238 } 6239 6240 private void clearUserPoliciesLocked(int userId) { 6241 // Reset some of the user-specific policies 6242 DevicePolicyData policy = getUserData(userId); 6243 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 6244 policy.mDelegatedCertInstallerPackage = null; 6245 policy.mApplicationRestrictionsManagingPackage = null; 6246 policy.mStatusBarDisabled = false; 6247 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 6248 saveSettingsLocked(userId); 6249 6250 try { 6251 mIPackageManager.updatePermissionFlagsForAllApps( 6252 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6253 0 /* flagValues */, userId); 6254 pushUserRestrictions(userId); 6255 } catch (RemoteException re) { 6256 // Shouldn't happen. 6257 } 6258 } 6259 6260 @Override 6261 public boolean hasUserSetupCompleted() { 6262 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 6263 } 6264 6265 // This checks only if the Setup Wizard has run. Since Wear devices pair before 6266 // completing Setup Wizard, and pairing involves transferring user data, calling 6267 // logic may want to check mIsWatch or mPaired in addition to hasUserSetupCompleted(). 6268 private boolean hasUserSetupCompleted(int userHandle) { 6269 if (!mHasFeature) { 6270 return true; 6271 } 6272 return getUserData(userHandle).mUserSetupComplete; 6273 } 6274 6275 private boolean hasPaired(int userHandle) { 6276 if (!mHasFeature) { 6277 return true; 6278 } 6279 return getUserData(userHandle).mPaired; 6280 } 6281 6282 @Override 6283 public int getUserProvisioningState() { 6284 if (!mHasFeature) { 6285 return DevicePolicyManager.STATE_USER_UNMANAGED; 6286 } 6287 int userHandle = mInjector.userHandleGetCallingUserId(); 6288 return getUserProvisioningState(userHandle); 6289 } 6290 6291 private int getUserProvisioningState(int userHandle) { 6292 return getUserData(userHandle).mUserProvisioningState; 6293 } 6294 6295 @Override 6296 public void setUserProvisioningState(int newState, int userHandle) { 6297 if (!mHasFeature) { 6298 return; 6299 } 6300 6301 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 6302 && getManagedUserId(userHandle) == -1) { 6303 // No managed device, user or profile, so setting provisioning state makes no sense. 6304 throw new IllegalStateException("Not allowed to change provisioning state unless a " 6305 + "device or profile owner is set."); 6306 } 6307 6308 synchronized (this) { 6309 boolean transitionCheckNeeded = true; 6310 6311 // Calling identity/permission checks. 6312 if (isAdb()) { 6313 // ADB shell can only move directly from un-managed to finalized as part of directly 6314 // setting profile-owner or device-owner. 6315 if (getUserProvisioningState(userHandle) != 6316 DevicePolicyManager.STATE_USER_UNMANAGED 6317 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6318 throw new IllegalStateException("Not allowed to change provisioning state " 6319 + "unless current provisioning state is unmanaged, and new state is " 6320 + "finalized."); 6321 } 6322 transitionCheckNeeded = false; 6323 } else { 6324 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 6325 enforceCanManageProfileAndDeviceOwners(); 6326 } 6327 6328 final DevicePolicyData policyData = getUserData(userHandle); 6329 if (transitionCheckNeeded) { 6330 // Optional state transition check for non-ADB case. 6331 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 6332 } 6333 policyData.mUserProvisioningState = newState; 6334 saveSettingsLocked(userHandle); 6335 } 6336 } 6337 6338 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6339 // Valid transitions for normal use-cases. 6340 switch (currentState) { 6341 case DevicePolicyManager.STATE_USER_UNMANAGED: 6342 // Can move to any state from unmanaged (except itself as an edge case).. 6343 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 6344 return; 6345 } 6346 break; 6347 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 6348 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 6349 // Can only move to finalized from these states. 6350 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6351 return; 6352 } 6353 break; 6354 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 6355 // Current user has a managed-profile, but current user is not managed, so 6356 // rather than moving to finalized state, go back to unmanaged once 6357 // profile provisioning is complete. 6358 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 6359 return; 6360 } 6361 break; 6362 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 6363 // Cannot transition out of finalized. 6364 break; 6365 } 6366 6367 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 6368 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 6369 + "from state [" + currentState + "]"); 6370 } 6371 6372 @Override 6373 public void setProfileEnabled(ComponentName who) { 6374 if (!mHasFeature) { 6375 return; 6376 } 6377 Preconditions.checkNotNull(who, "ComponentName is null"); 6378 synchronized (this) { 6379 // Check if this is the profile owner who is calling 6380 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6381 final int userId = UserHandle.getCallingUserId(); 6382 enforceManagedProfile(userId, "enable the profile"); 6383 // Check if the profile is already enabled. 6384 UserInfo managedProfile = getUserInfo(userId); 6385 if (managedProfile.isEnabled()) { 6386 Slog.e(LOG_TAG, 6387 "setProfileEnabled is called when the profile is already enabled"); 6388 return; 6389 } 6390 long id = mInjector.binderClearCallingIdentity(); 6391 try { 6392 mUserManager.setUserEnabled(userId); 6393 UserInfo parent = mUserManager.getProfileParent(userId); 6394 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 6395 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 6396 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 6397 Intent.FLAG_RECEIVER_FOREGROUND); 6398 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 6399 } finally { 6400 mInjector.binderRestoreCallingIdentity(id); 6401 } 6402 } 6403 } 6404 6405 @Override 6406 public void setProfileName(ComponentName who, String profileName) { 6407 Preconditions.checkNotNull(who, "ComponentName is null"); 6408 int userId = UserHandle.getCallingUserId(); 6409 // Check if this is the profile owner (includes device owner). 6410 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6411 6412 long id = mInjector.binderClearCallingIdentity(); 6413 try { 6414 mUserManager.setUserName(userId, profileName); 6415 } finally { 6416 mInjector.binderRestoreCallingIdentity(id); 6417 } 6418 } 6419 6420 @Override 6421 public ComponentName getProfileOwner(int userHandle) { 6422 if (!mHasFeature) { 6423 return null; 6424 } 6425 6426 synchronized (this) { 6427 return mOwners.getProfileOwnerComponent(userHandle); 6428 } 6429 } 6430 6431 // Returns the active profile owner for this user or null if the current user has no 6432 // profile owner. 6433 @VisibleForTesting 6434 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 6435 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 6436 if (profileOwner == null) { 6437 return null; 6438 } 6439 DevicePolicyData policy = getUserData(userHandle); 6440 final int n = policy.mAdminList.size(); 6441 for (int i = 0; i < n; i++) { 6442 ActiveAdmin admin = policy.mAdminList.get(i); 6443 if (profileOwner.equals(admin.info.getComponent())) { 6444 return admin; 6445 } 6446 } 6447 return null; 6448 } 6449 6450 @Override 6451 public String getProfileOwnerName(int userHandle) { 6452 if (!mHasFeature) { 6453 return null; 6454 } 6455 enforceManageUsers(); 6456 ComponentName profileOwner = getProfileOwner(userHandle); 6457 if (profileOwner == null) { 6458 return null; 6459 } 6460 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 6461 } 6462 6463 /** 6464 * Canonical name for a given package. 6465 */ 6466 private String getApplicationLabel(String packageName, int userHandle) { 6467 long token = mInjector.binderClearCallingIdentity(); 6468 try { 6469 final Context userContext; 6470 try { 6471 UserHandle handle = new UserHandle(userHandle); 6472 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 6473 } catch (PackageManager.NameNotFoundException nnfe) { 6474 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 6475 return null; 6476 } 6477 ApplicationInfo appInfo = userContext.getApplicationInfo(); 6478 CharSequence result = null; 6479 if (appInfo != null) { 6480 PackageManager pm = userContext.getPackageManager(); 6481 result = pm.getApplicationLabel(appInfo); 6482 } 6483 return result != null ? result.toString() : null; 6484 } finally { 6485 mInjector.binderRestoreCallingIdentity(token); 6486 } 6487 } 6488 6489 /** 6490 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6491 * permission. 6492 * The profile owner can only be set before the user setup phase has completed, 6493 * except for: 6494 * - SYSTEM_UID 6495 * - adb if there are no accounts. (But see {@link #hasIncompatibleAccountsLocked}) 6496 */ 6497 private void enforceCanSetProfileOwnerLocked(@Nullable ComponentName owner, int userHandle) { 6498 UserInfo info = getUserInfo(userHandle); 6499 if (info == null) { 6500 // User doesn't exist. 6501 throw new IllegalArgumentException( 6502 "Attempted to set profile owner for invalid userId: " + userHandle); 6503 } 6504 if (info.isGuest()) { 6505 throw new IllegalStateException("Cannot set a profile owner on a guest"); 6506 } 6507 if (mOwners.hasProfileOwner(userHandle)) { 6508 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 6509 + "is already set."); 6510 } 6511 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 6512 throw new IllegalStateException("Trying to set the profile owner, but the user " 6513 + "already has a device owner."); 6514 } 6515 if (isAdb()) { 6516 if ((mIsWatch || hasUserSetupCompleted(userHandle)) 6517 && hasIncompatibleAccountsLocked(userHandle, owner)) { 6518 throw new IllegalStateException("Not allowed to set the profile owner because " 6519 + "there are already some accounts on the profile"); 6520 } 6521 return; 6522 } 6523 enforceCanManageProfileAndDeviceOwners(); 6524 if ((mIsWatch || hasUserSetupCompleted(userHandle)) && !isCallerWithSystemUid()) { 6525 throw new IllegalStateException("Cannot set the profile owner on a user which is " 6526 + "already set-up"); 6527 } 6528 } 6529 6530 /** 6531 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6532 * permission. 6533 */ 6534 private void enforceCanSetDeviceOwnerLocked(@Nullable ComponentName owner, int userId) { 6535 if (!isAdb()) { 6536 enforceCanManageProfileAndDeviceOwners(); 6537 } 6538 6539 final int code = checkDeviceOwnerProvisioningPreConditionLocked(owner, userId, isAdb()); 6540 switch (code) { 6541 case CODE_OK: 6542 return; 6543 case CODE_HAS_DEVICE_OWNER: 6544 throw new IllegalStateException( 6545 "Trying to set the device owner, but device owner is already set."); 6546 case CODE_USER_HAS_PROFILE_OWNER: 6547 throw new IllegalStateException("Trying to set the device owner, but the user " 6548 + "already has a profile owner."); 6549 case CODE_USER_NOT_RUNNING: 6550 throw new IllegalStateException("User not running: " + userId); 6551 case CODE_NOT_SYSTEM_USER: 6552 throw new IllegalStateException("User is not system user"); 6553 case CODE_USER_SETUP_COMPLETED: 6554 throw new IllegalStateException( 6555 "Cannot set the device owner if the device is already set-up"); 6556 case CODE_NONSYSTEM_USER_EXISTS: 6557 throw new IllegalStateException("Not allowed to set the device owner because there " 6558 + "are already several users on the device"); 6559 case CODE_ACCOUNTS_NOT_EMPTY: 6560 throw new IllegalStateException("Not allowed to set the device owner because there " 6561 + "are already some accounts on the device"); 6562 case CODE_HAS_PAIRED: 6563 throw new IllegalStateException("Not allowed to set the device owner because this " 6564 + "device has already paired"); 6565 default: 6566 throw new IllegalStateException("Unexpected @ProvisioningPreCondition " + code); 6567 } 6568 } 6569 6570 private void enforceUserUnlocked(int userId) { 6571 // Since we're doing this operation on behalf of an app, we only 6572 // want to use the actual "unlocked" state. 6573 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 6574 "User must be running and unlocked"); 6575 } 6576 6577 private void enforceManageUsers() { 6578 final int callingUid = mInjector.binderGetCallingUid(); 6579 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6580 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6581 } 6582 } 6583 6584 private void enforceFullCrossUsersPermission(int userHandle) { 6585 enforceSystemUserOrPermission(userHandle, 6586 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 6587 } 6588 6589 private void enforceCrossUsersPermission(int userHandle) { 6590 enforceSystemUserOrPermission(userHandle, 6591 android.Manifest.permission.INTERACT_ACROSS_USERS); 6592 } 6593 6594 private void enforceSystemUserOrPermission(int userHandle, String permission) { 6595 if (userHandle < 0) { 6596 throw new IllegalArgumentException("Invalid userId " + userHandle); 6597 } 6598 final int callingUid = mInjector.binderGetCallingUid(); 6599 if (userHandle == UserHandle.getUserId(callingUid)) { 6600 return; 6601 } 6602 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6603 mContext.enforceCallingOrSelfPermission(permission, 6604 "Must be system or have " + permission + " permission"); 6605 } 6606 } 6607 6608 private void enforceManagedProfile(int userHandle, String message) { 6609 if(!isManagedProfile(userHandle)) { 6610 throw new SecurityException("You can not " + message + " outside a managed profile."); 6611 } 6612 } 6613 6614 private void enforceNotManagedProfile(int userHandle, String message) { 6615 if(isManagedProfile(userHandle)) { 6616 throw new SecurityException("You can not " + message + " for a managed profile."); 6617 } 6618 } 6619 6620 private void enforceDeviceOwnerOrManageUsers() { 6621 synchronized (this) { 6622 if (getActiveAdminWithPolicyForUidLocked(null, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 6623 mInjector.binderGetCallingUid()) != null) { 6624 return; 6625 } 6626 } 6627 enforceManageUsers(); 6628 } 6629 6630 private void ensureCallerPackage(@Nullable String packageName) { 6631 if (packageName == null) { 6632 Preconditions.checkState(isCallerWithSystemUid(), 6633 "Only caller can omit package name"); 6634 } else { 6635 final int callingUid = mInjector.binderGetCallingUid(); 6636 final int userId = mInjector.userHandleGetCallingUserId(); 6637 try { 6638 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 6639 packageName, 0, userId); 6640 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 6641 } catch (RemoteException e) { 6642 // Shouldn't happen 6643 } 6644 } 6645 } 6646 6647 private boolean isCallerWithSystemUid() { 6648 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 6649 } 6650 6651 private int getProfileParentId(int userHandle) { 6652 final long ident = mInjector.binderClearCallingIdentity(); 6653 try { 6654 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 6655 return parentUser != null ? parentUser.id : userHandle; 6656 } finally { 6657 mInjector.binderRestoreCallingIdentity(ident); 6658 } 6659 } 6660 6661 private int getCredentialOwner(int userHandle, boolean parent) { 6662 final long ident = mInjector.binderClearCallingIdentity(); 6663 try { 6664 if (parent) { 6665 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 6666 if (parentProfile != null) { 6667 userHandle = parentProfile.id; 6668 } 6669 } 6670 return mUserManager.getCredentialOwnerProfile(userHandle); 6671 } finally { 6672 mInjector.binderRestoreCallingIdentity(ident); 6673 } 6674 } 6675 6676 private boolean isManagedProfile(int userHandle) { 6677 final UserInfo user = getUserInfo(userHandle); 6678 return user != null && user.isManagedProfile(); 6679 } 6680 6681 private void enableIfNecessary(String packageName, int userId) { 6682 try { 6683 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 6684 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 6685 userId); 6686 if (ai.enabledSetting 6687 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 6688 mIPackageManager.setApplicationEnabledSetting(packageName, 6689 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 6690 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 6691 } 6692 } catch (RemoteException e) { 6693 } 6694 } 6695 6696 @Override 6697 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 6698 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 6699 != PackageManager.PERMISSION_GRANTED) { 6700 6701 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 6702 + mInjector.binderGetCallingPid() 6703 + ", uid=" + mInjector.binderGetCallingUid()); 6704 return; 6705 } 6706 6707 synchronized (this) { 6708 pw.println("Current Device Policy Manager state:"); 6709 mOwners.dump(" ", pw); 6710 int userCount = mUserData.size(); 6711 for (int u = 0; u < userCount; u++) { 6712 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 6713 pw.println(); 6714 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 6715 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 6716 final int N = policy.mAdminList.size(); 6717 for (int i=0; i<N; i++) { 6718 ActiveAdmin ap = policy.mAdminList.get(i); 6719 if (ap != null) { 6720 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 6721 pw.println(":"); 6722 ap.dump(" ", pw); 6723 } 6724 } 6725 if (!policy.mRemovingAdmins.isEmpty()) { 6726 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 6727 + policy.mRemovingAdmins); 6728 } 6729 6730 pw.println(" "); 6731 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 6732 } 6733 pw.println(); 6734 pw.println("Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 6735 } 6736 } 6737 6738 private String getEncryptionStatusName(int encryptionStatus) { 6739 switch (encryptionStatus) { 6740 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 6741 return "inactive"; 6742 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 6743 return "block default key"; 6744 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 6745 return "block"; 6746 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 6747 return "per-user"; 6748 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 6749 return "unsupported"; 6750 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 6751 return "activating"; 6752 default: 6753 return "unknown"; 6754 } 6755 } 6756 6757 @Override 6758 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 6759 ComponentName activity) { 6760 Preconditions.checkNotNull(who, "ComponentName is null"); 6761 final int userHandle = UserHandle.getCallingUserId(); 6762 synchronized (this) { 6763 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6764 6765 long id = mInjector.binderClearCallingIdentity(); 6766 try { 6767 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 6768 } catch (RemoteException re) { 6769 // Shouldn't happen 6770 } finally { 6771 mInjector.binderRestoreCallingIdentity(id); 6772 } 6773 } 6774 } 6775 6776 @Override 6777 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 6778 Preconditions.checkNotNull(who, "ComponentName is null"); 6779 final int userHandle = UserHandle.getCallingUserId(); 6780 synchronized (this) { 6781 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6782 6783 long id = mInjector.binderClearCallingIdentity(); 6784 try { 6785 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 6786 } catch (RemoteException re) { 6787 // Shouldn't happen 6788 } finally { 6789 mInjector.binderRestoreCallingIdentity(id); 6790 } 6791 } 6792 } 6793 6794 @Override 6795 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 6796 String packageName) { 6797 Preconditions.checkNotNull(admin, "ComponentName is null"); 6798 6799 final int userHandle = mInjector.userHandleGetCallingUserId(); 6800 synchronized (this) { 6801 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6802 if (packageName != null && !isPackageInstalledForUser(packageName, userHandle)) { 6803 return false; 6804 } 6805 DevicePolicyData policy = getUserData(userHandle); 6806 policy.mApplicationRestrictionsManagingPackage = packageName; 6807 saveSettingsLocked(userHandle); 6808 return true; 6809 } 6810 } 6811 6812 @Override 6813 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 6814 Preconditions.checkNotNull(admin, "ComponentName is null"); 6815 6816 final int userHandle = mInjector.userHandleGetCallingUserId(); 6817 synchronized (this) { 6818 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6819 DevicePolicyData policy = getUserData(userHandle); 6820 return policy.mApplicationRestrictionsManagingPackage; 6821 } 6822 } 6823 6824 @Override 6825 public boolean isCallerApplicationRestrictionsManagingPackage() { 6826 final int callingUid = mInjector.binderGetCallingUid(); 6827 final int userHandle = UserHandle.getUserId(callingUid); 6828 synchronized (this) { 6829 final DevicePolicyData policy = getUserData(userHandle); 6830 if (policy.mApplicationRestrictionsManagingPackage == null) { 6831 return false; 6832 } 6833 6834 try { 6835 int uid = mContext.getPackageManager().getPackageUidAsUser( 6836 policy.mApplicationRestrictionsManagingPackage, userHandle); 6837 return uid == callingUid; 6838 } catch (NameNotFoundException e) { 6839 return false; 6840 } 6841 } 6842 } 6843 6844 private void enforceCanManageApplicationRestrictions(ComponentName who) { 6845 if (who != null) { 6846 synchronized (this) { 6847 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6848 } 6849 } else if (!isCallerApplicationRestrictionsManagingPackage()) { 6850 throw new SecurityException( 6851 "No admin component given, and caller cannot manage application restrictions " 6852 + "for other apps."); 6853 } 6854 } 6855 6856 @Override 6857 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 6858 enforceCanManageApplicationRestrictions(who); 6859 6860 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 6861 final long id = mInjector.binderClearCallingIdentity(); 6862 try { 6863 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 6864 } finally { 6865 mInjector.binderRestoreCallingIdentity(id); 6866 } 6867 } 6868 6869 @Override 6870 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 6871 PersistableBundle args, boolean parent) { 6872 if (!mHasFeature) { 6873 return; 6874 } 6875 Preconditions.checkNotNull(admin, "admin is null"); 6876 Preconditions.checkNotNull(agent, "agent is null"); 6877 final int userHandle = UserHandle.getCallingUserId(); 6878 synchronized (this) { 6879 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 6880 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 6881 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 6882 saveSettingsLocked(userHandle); 6883 } 6884 } 6885 6886 @Override 6887 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 6888 ComponentName agent, int userHandle, boolean parent) { 6889 if (!mHasFeature) { 6890 return null; 6891 } 6892 Preconditions.checkNotNull(agent, "agent null"); 6893 enforceFullCrossUsersPermission(userHandle); 6894 6895 synchronized (this) { 6896 final String componentName = agent.flattenToString(); 6897 if (admin != null) { 6898 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 6899 if (ap == null) return null; 6900 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 6901 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 6902 List<PersistableBundle> result = new ArrayList<>(); 6903 result.add(trustAgentInfo.options); 6904 return result; 6905 } 6906 6907 // Return strictest policy for this user and profiles that are visible from this user. 6908 List<PersistableBundle> result = null; 6909 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 6910 // of the options. If any admin doesn't have options, discard options for the rest 6911 // and return null. 6912 List<ActiveAdmin> admins = 6913 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 6914 boolean allAdminsHaveOptions = true; 6915 final int N = admins.size(); 6916 for (int i = 0; i < N; i++) { 6917 final ActiveAdmin active = admins.get(i); 6918 6919 final boolean disablesTrust = (active.disabledKeyguardFeatures 6920 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 6921 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 6922 if (info != null && info.options != null && !info.options.isEmpty()) { 6923 if (disablesTrust) { 6924 if (result == null) { 6925 result = new ArrayList<>(); 6926 } 6927 result.add(info.options); 6928 } else { 6929 Log.w(LOG_TAG, "Ignoring admin " + active.info 6930 + " because it has trust options but doesn't declare " 6931 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 6932 } 6933 } else if (disablesTrust) { 6934 allAdminsHaveOptions = false; 6935 break; 6936 } 6937 } 6938 return allAdminsHaveOptions ? result : null; 6939 } 6940 } 6941 6942 @Override 6943 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 6944 Preconditions.checkNotNull(who, "ComponentName is null"); 6945 synchronized (this) { 6946 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6947 6948 int userHandle = UserHandle.getCallingUserId(); 6949 DevicePolicyData userData = getUserData(userHandle); 6950 userData.mRestrictionsProvider = permissionProvider; 6951 saveSettingsLocked(userHandle); 6952 } 6953 } 6954 6955 @Override 6956 public ComponentName getRestrictionsProvider(int userHandle) { 6957 synchronized (this) { 6958 if (!isCallerWithSystemUid()) { 6959 throw new SecurityException("Only the system can query the permission provider"); 6960 } 6961 DevicePolicyData userData = getUserData(userHandle); 6962 return userData != null ? userData.mRestrictionsProvider : null; 6963 } 6964 } 6965 6966 @Override 6967 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 6968 Preconditions.checkNotNull(who, "ComponentName is null"); 6969 int callingUserId = UserHandle.getCallingUserId(); 6970 synchronized (this) { 6971 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6972 6973 long id = mInjector.binderClearCallingIdentity(); 6974 try { 6975 UserInfo parent = mUserManager.getProfileParent(callingUserId); 6976 if (parent == null) { 6977 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 6978 + "parent"); 6979 return; 6980 } 6981 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 6982 mIPackageManager.addCrossProfileIntentFilter( 6983 filter, who.getPackageName(), callingUserId, parent.id, 0); 6984 } 6985 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 6986 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 6987 parent.id, callingUserId, 0); 6988 } 6989 } catch (RemoteException re) { 6990 // Shouldn't happen 6991 } finally { 6992 mInjector.binderRestoreCallingIdentity(id); 6993 } 6994 } 6995 } 6996 6997 @Override 6998 public void clearCrossProfileIntentFilters(ComponentName who) { 6999 Preconditions.checkNotNull(who, "ComponentName is null"); 7000 int callingUserId = UserHandle.getCallingUserId(); 7001 synchronized (this) { 7002 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7003 long id = mInjector.binderClearCallingIdentity(); 7004 try { 7005 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7006 if (parent == null) { 7007 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 7008 + "parent"); 7009 return; 7010 } 7011 // Removing those that go from the managed profile to the parent. 7012 mIPackageManager.clearCrossProfileIntentFilters( 7013 callingUserId, who.getPackageName()); 7014 // And those that go from the parent to the managed profile. 7015 // If we want to support multiple managed profiles, we will have to only remove 7016 // those that have callingUserId as their target. 7017 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 7018 } catch (RemoteException re) { 7019 // Shouldn't happen 7020 } finally { 7021 mInjector.binderRestoreCallingIdentity(id); 7022 } 7023 } 7024 } 7025 7026 /** 7027 * @return true if all packages in enabledPackages are either in the list 7028 * permittedList or are a system app. 7029 */ 7030 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 7031 List<String> permittedList, int userIdToCheck) { 7032 long id = mInjector.binderClearCallingIdentity(); 7033 try { 7034 // If we have an enabled packages list for a managed profile the packages 7035 // we should check are installed for the parent user. 7036 UserInfo user = getUserInfo(userIdToCheck); 7037 if (user.isManagedProfile()) { 7038 userIdToCheck = user.profileGroupId; 7039 } 7040 7041 for (String enabledPackage : enabledPackages) { 7042 boolean systemService = false; 7043 try { 7044 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 7045 enabledPackage, PackageManager.MATCH_UNINSTALLED_PACKAGES, 7046 userIdToCheck); 7047 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7048 } catch (RemoteException e) { 7049 Log.i(LOG_TAG, "Can't talk to package managed", e); 7050 } 7051 if (!systemService && !permittedList.contains(enabledPackage)) { 7052 return false; 7053 } 7054 } 7055 } finally { 7056 mInjector.binderRestoreCallingIdentity(id); 7057 } 7058 return true; 7059 } 7060 7061 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 7062 // Not using AccessibilityManager.getInstance because that guesses 7063 // at the user you require based on callingUid and caches for a given 7064 // process. 7065 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 7066 IAccessibilityManager service = iBinder == null 7067 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 7068 return new AccessibilityManager(mContext, service, userId); 7069 } 7070 7071 @Override 7072 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 7073 if (!mHasFeature) { 7074 return false; 7075 } 7076 Preconditions.checkNotNull(who, "ComponentName is null"); 7077 7078 if (packageList != null) { 7079 int userId = UserHandle.getCallingUserId(); 7080 List<AccessibilityServiceInfo> enabledServices = null; 7081 long id = mInjector.binderClearCallingIdentity(); 7082 try { 7083 UserInfo user = getUserInfo(userId); 7084 if (user.isManagedProfile()) { 7085 userId = user.profileGroupId; 7086 } 7087 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 7088 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 7089 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 7090 } finally { 7091 mInjector.binderRestoreCallingIdentity(id); 7092 } 7093 7094 if (enabledServices != null) { 7095 List<String> enabledPackages = new ArrayList<String>(); 7096 for (AccessibilityServiceInfo service : enabledServices) { 7097 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 7098 } 7099 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7100 userId)) { 7101 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 7102 + "because it contains already enabled accesibility services."); 7103 return false; 7104 } 7105 } 7106 } 7107 7108 synchronized (this) { 7109 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7110 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7111 admin.permittedAccessiblityServices = packageList; 7112 saveSettingsLocked(UserHandle.getCallingUserId()); 7113 } 7114 return true; 7115 } 7116 7117 @Override 7118 public List getPermittedAccessibilityServices(ComponentName who) { 7119 if (!mHasFeature) { 7120 return null; 7121 } 7122 Preconditions.checkNotNull(who, "ComponentName is null"); 7123 7124 synchronized (this) { 7125 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7126 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7127 return admin.permittedAccessiblityServices; 7128 } 7129 } 7130 7131 @Override 7132 public List getPermittedAccessibilityServicesForUser(int userId) { 7133 if (!mHasFeature) { 7134 return null; 7135 } 7136 synchronized (this) { 7137 List<String> result = null; 7138 // If we have multiple profiles we return the intersection of the 7139 // permitted lists. This can happen in cases where we have a device 7140 // and profile owner. 7141 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7142 for (int profileId : profileIds) { 7143 // Just loop though all admins, only device or profiles 7144 // owners can have permitted lists set. 7145 DevicePolicyData policy = getUserDataUnchecked(profileId); 7146 final int N = policy.mAdminList.size(); 7147 for (int j = 0; j < N; j++) { 7148 ActiveAdmin admin = policy.mAdminList.get(j); 7149 List<String> fromAdmin = admin.permittedAccessiblityServices; 7150 if (fromAdmin != null) { 7151 if (result == null) { 7152 result = new ArrayList<>(fromAdmin); 7153 } else { 7154 result.retainAll(fromAdmin); 7155 } 7156 } 7157 } 7158 } 7159 7160 // If we have a permitted list add all system accessibility services. 7161 if (result != null) { 7162 long id = mInjector.binderClearCallingIdentity(); 7163 try { 7164 UserInfo user = getUserInfo(userId); 7165 if (user.isManagedProfile()) { 7166 userId = user.profileGroupId; 7167 } 7168 AccessibilityManager accessibilityManager = 7169 getAccessibilityManagerForUser(userId); 7170 List<AccessibilityServiceInfo> installedServices = 7171 accessibilityManager.getInstalledAccessibilityServiceList(); 7172 7173 if (installedServices != null) { 7174 for (AccessibilityServiceInfo service : installedServices) { 7175 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 7176 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7177 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7178 result.add(serviceInfo.packageName); 7179 } 7180 } 7181 } 7182 } finally { 7183 mInjector.binderRestoreCallingIdentity(id); 7184 } 7185 } 7186 7187 return result; 7188 } 7189 } 7190 7191 @Override 7192 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 7193 int userHandle) { 7194 if (!mHasFeature) { 7195 return true; 7196 } 7197 Preconditions.checkNotNull(who, "ComponentName is null"); 7198 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7199 if (!isCallerWithSystemUid()){ 7200 throw new SecurityException( 7201 "Only the system can query if an accessibility service is disabled by admin"); 7202 } 7203 synchronized (this) { 7204 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7205 if (admin == null) { 7206 return false; 7207 } 7208 if (admin.permittedAccessiblityServices == null) { 7209 return true; 7210 } 7211 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7212 admin.permittedAccessiblityServices, userHandle); 7213 } 7214 } 7215 7216 private boolean checkCallerIsCurrentUserOrProfile() { 7217 int callingUserId = UserHandle.getCallingUserId(); 7218 long token = mInjector.binderClearCallingIdentity(); 7219 try { 7220 UserInfo currentUser; 7221 UserInfo callingUser = getUserInfo(callingUserId); 7222 try { 7223 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7224 } catch (RemoteException e) { 7225 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 7226 return false; 7227 } 7228 7229 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 7230 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 7231 + "of a user that isn't the foreground user."); 7232 return false; 7233 } 7234 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 7235 Slog.e(LOG_TAG, "Cannot set permitted input methods " 7236 + "of a user that isn't the foreground user."); 7237 return false; 7238 } 7239 } finally { 7240 mInjector.binderRestoreCallingIdentity(token); 7241 } 7242 return true; 7243 } 7244 7245 @Override 7246 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 7247 if (!mHasFeature) { 7248 return false; 7249 } 7250 Preconditions.checkNotNull(who, "ComponentName is null"); 7251 7252 // TODO When InputMethodManager supports per user calls remove 7253 // this restriction. 7254 if (!checkCallerIsCurrentUserOrProfile()) { 7255 return false; 7256 } 7257 7258 if (packageList != null) { 7259 // InputMethodManager fetches input methods for current user. 7260 // So this can only be set when calling user is the current user 7261 // or parent is current user in case of managed profiles. 7262 InputMethodManager inputMethodManager = 7263 mContext.getSystemService(InputMethodManager.class); 7264 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 7265 7266 if (enabledImes != null) { 7267 List<String> enabledPackages = new ArrayList<String>(); 7268 for (InputMethodInfo ime : enabledImes) { 7269 enabledPackages.add(ime.getPackageName()); 7270 } 7271 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7272 mInjector.binderGetCallingUserHandle().getIdentifier())) { 7273 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 7274 + "because it contains already enabled input method."); 7275 return false; 7276 } 7277 } 7278 } 7279 7280 synchronized (this) { 7281 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7282 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7283 admin.permittedInputMethods = packageList; 7284 saveSettingsLocked(UserHandle.getCallingUserId()); 7285 } 7286 return true; 7287 } 7288 7289 @Override 7290 public List getPermittedInputMethods(ComponentName who) { 7291 if (!mHasFeature) { 7292 return null; 7293 } 7294 Preconditions.checkNotNull(who, "ComponentName is null"); 7295 7296 synchronized (this) { 7297 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7298 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7299 return admin.permittedInputMethods; 7300 } 7301 } 7302 7303 @Override 7304 public List getPermittedInputMethodsForCurrentUser() { 7305 UserInfo currentUser; 7306 try { 7307 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7308 } catch (RemoteException e) { 7309 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 7310 // Activity managed is dead, just allow all IMEs 7311 return null; 7312 } 7313 7314 int userId = currentUser.id; 7315 synchronized (this) { 7316 List<String> result = null; 7317 // If we have multiple profiles we return the intersection of the 7318 // permitted lists. This can happen in cases where we have a device 7319 // and profile owner. 7320 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7321 for (int profileId : profileIds) { 7322 // Just loop though all admins, only device or profiles 7323 // owners can have permitted lists set. 7324 DevicePolicyData policy = getUserDataUnchecked(profileId); 7325 final int N = policy.mAdminList.size(); 7326 for (int j = 0; j < N; j++) { 7327 ActiveAdmin admin = policy.mAdminList.get(j); 7328 List<String> fromAdmin = admin.permittedInputMethods; 7329 if (fromAdmin != null) { 7330 if (result == null) { 7331 result = new ArrayList<String>(fromAdmin); 7332 } else { 7333 result.retainAll(fromAdmin); 7334 } 7335 } 7336 } 7337 } 7338 7339 // If we have a permitted list add all system input methods. 7340 if (result != null) { 7341 InputMethodManager inputMethodManager = 7342 mContext.getSystemService(InputMethodManager.class); 7343 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 7344 long id = mInjector.binderClearCallingIdentity(); 7345 try { 7346 if (imes != null) { 7347 for (InputMethodInfo ime : imes) { 7348 ServiceInfo serviceInfo = ime.getServiceInfo(); 7349 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7350 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7351 result.add(serviceInfo.packageName); 7352 } 7353 } 7354 } 7355 } finally { 7356 mInjector.binderRestoreCallingIdentity(id); 7357 } 7358 } 7359 return result; 7360 } 7361 } 7362 7363 @Override 7364 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 7365 int userHandle) { 7366 if (!mHasFeature) { 7367 return true; 7368 } 7369 Preconditions.checkNotNull(who, "ComponentName is null"); 7370 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7371 if (!isCallerWithSystemUid()) { 7372 throw new SecurityException( 7373 "Only the system can query if an input method is disabled by admin"); 7374 } 7375 synchronized (this) { 7376 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7377 if (admin == null) { 7378 return false; 7379 } 7380 if (admin.permittedInputMethods == null) { 7381 return true; 7382 } 7383 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7384 admin.permittedInputMethods, userHandle); 7385 } 7386 } 7387 7388 private void sendAdminEnabledBroadcastLocked(int userHandle) { 7389 DevicePolicyData policyData = getUserData(userHandle); 7390 if (policyData.mAdminBroadcastPending) { 7391 // Send the initialization data to profile owner and delete the data 7392 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 7393 if (admin != null) { 7394 PersistableBundle initBundle = policyData.mInitBundle; 7395 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 7396 initBundle == null ? null : new Bundle(initBundle), null); 7397 } 7398 policyData.mInitBundle = null; 7399 policyData.mAdminBroadcastPending = false; 7400 saveSettingsLocked(userHandle); 7401 } 7402 } 7403 7404 @Override 7405 public UserHandle createAndManageUser(ComponentName admin, String name, 7406 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 7407 Preconditions.checkNotNull(admin, "admin is null"); 7408 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 7409 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 7410 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 7411 + admin + " are not in the same package"); 7412 } 7413 // Only allow the system user to use this method 7414 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 7415 throw new SecurityException("createAndManageUser was called from non-system user"); 7416 } 7417 if (!mInjector.userManagerIsSplitSystemUser() 7418 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7419 throw new IllegalArgumentException( 7420 "Ephemeral users are only supported on systems with a split system user."); 7421 } 7422 // Create user. 7423 UserHandle user = null; 7424 synchronized (this) { 7425 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7426 7427 final long id = mInjector.binderClearCallingIdentity(); 7428 try { 7429 int userInfoFlags = 0; 7430 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7431 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 7432 } 7433 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 7434 userInfoFlags); 7435 if (userInfo != null) { 7436 user = userInfo.getUserHandle(); 7437 } 7438 } finally { 7439 mInjector.binderRestoreCallingIdentity(id); 7440 } 7441 } 7442 if (user == null) { 7443 return null; 7444 } 7445 // Set admin. 7446 final long id = mInjector.binderClearCallingIdentity(); 7447 try { 7448 final String adminPkg = admin.getPackageName(); 7449 7450 final int userHandle = user.getIdentifier(); 7451 try { 7452 // Install the profile owner if not present. 7453 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 7454 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle); 7455 } 7456 } catch (RemoteException e) { 7457 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 7458 + "removing created user", e); 7459 mUserManager.removeUser(user.getIdentifier()); 7460 return null; 7461 } 7462 7463 setActiveAdmin(profileOwner, true, userHandle); 7464 // User is not started yet, the broadcast by setActiveAdmin will not be received. 7465 // So we store adminExtras for broadcasting when the user starts for first time. 7466 synchronized(this) { 7467 DevicePolicyData policyData = getUserData(userHandle); 7468 policyData.mInitBundle = adminExtras; 7469 policyData.mAdminBroadcastPending = true; 7470 saveSettingsLocked(userHandle); 7471 } 7472 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 7473 setProfileOwner(profileOwner, ownerName, userHandle); 7474 7475 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 7476 Settings.Secure.putIntForUser(mContext.getContentResolver(), 7477 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 7478 } 7479 7480 return user; 7481 } finally { 7482 mInjector.binderRestoreCallingIdentity(id); 7483 } 7484 } 7485 7486 @Override 7487 public boolean removeUser(ComponentName who, UserHandle userHandle) { 7488 Preconditions.checkNotNull(who, "ComponentName is null"); 7489 UserHandle callingUserHandle = mInjector.binderGetCallingUserHandle(); 7490 synchronized (this) { 7491 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7492 } 7493 final long id = mInjector.binderClearCallingIdentity(); 7494 try { 7495 int restrictionSource = mUserManager.getUserRestrictionSource( 7496 UserManager.DISALLOW_REMOVE_USER, callingUserHandle); 7497 if (restrictionSource != UserManager.RESTRICTION_NOT_SET 7498 && restrictionSource != UserManager.RESTRICTION_SOURCE_DEVICE_OWNER) { 7499 Log.w(LOG_TAG, "The device owner cannot remove a user because " 7500 + "DISALLOW_REMOVE_USER is enabled, and was not set by the device " 7501 + "owner"); 7502 return false; 7503 } 7504 return mUserManagerInternal.removeUserEvenWhenDisallowed( 7505 userHandle.getIdentifier()); 7506 } finally { 7507 mInjector.binderRestoreCallingIdentity(id); 7508 } 7509 } 7510 7511 @Override 7512 public boolean switchUser(ComponentName who, UserHandle userHandle) { 7513 Preconditions.checkNotNull(who, "ComponentName is null"); 7514 synchronized (this) { 7515 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7516 7517 long id = mInjector.binderClearCallingIdentity(); 7518 try { 7519 int userId = UserHandle.USER_SYSTEM; 7520 if (userHandle != null) { 7521 userId = userHandle.getIdentifier(); 7522 } 7523 return mInjector.getIActivityManager().switchUser(userId); 7524 } catch (RemoteException e) { 7525 Log.e(LOG_TAG, "Couldn't switch user", e); 7526 return false; 7527 } finally { 7528 mInjector.binderRestoreCallingIdentity(id); 7529 } 7530 } 7531 } 7532 7533 @Override 7534 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 7535 enforceCanManageApplicationRestrictions(who); 7536 7537 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7538 final long id = mInjector.binderClearCallingIdentity(); 7539 try { 7540 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 7541 // if no restrictions were saved, mUserManager.getApplicationRestrictions 7542 // returns null, but DPM method should return an empty Bundle as per JavaDoc 7543 return bundle != null ? bundle : Bundle.EMPTY; 7544 } finally { 7545 mInjector.binderRestoreCallingIdentity(id); 7546 } 7547 } 7548 7549 @Override 7550 public String[] setPackagesSuspended(ComponentName who, String[] packageNames, 7551 boolean suspended) { 7552 Preconditions.checkNotNull(who, "ComponentName is null"); 7553 int callingUserId = UserHandle.getCallingUserId(); 7554 synchronized (this) { 7555 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7556 7557 long id = mInjector.binderClearCallingIdentity(); 7558 try { 7559 return mIPackageManager.setPackagesSuspendedAsUser( 7560 packageNames, suspended, callingUserId); 7561 } catch (RemoteException re) { 7562 // Shouldn't happen. 7563 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7564 } finally { 7565 mInjector.binderRestoreCallingIdentity(id); 7566 } 7567 return packageNames; 7568 } 7569 } 7570 7571 @Override 7572 public boolean isPackageSuspended(ComponentName who, String packageName) { 7573 Preconditions.checkNotNull(who, "ComponentName is null"); 7574 int callingUserId = UserHandle.getCallingUserId(); 7575 synchronized (this) { 7576 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7577 7578 long id = mInjector.binderClearCallingIdentity(); 7579 try { 7580 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 7581 } catch (RemoteException re) { 7582 // Shouldn't happen. 7583 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7584 } finally { 7585 mInjector.binderRestoreCallingIdentity(id); 7586 } 7587 return false; 7588 } 7589 } 7590 7591 @Override 7592 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 7593 Preconditions.checkNotNull(who, "ComponentName is null"); 7594 if (!UserRestrictionsUtils.isValidRestriction(key)) { 7595 return; 7596 } 7597 7598 final int userHandle = mInjector.userHandleGetCallingUserId(); 7599 synchronized (this) { 7600 ActiveAdmin activeAdmin = 7601 getActiveAdminForCallerLocked(who, 7602 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7603 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 7604 if (isDeviceOwner) { 7605 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 7606 throw new SecurityException("Device owner cannot set user restriction " + key); 7607 } 7608 } else { // profile owner 7609 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 7610 throw new SecurityException("Profile owner cannot set user restriction " + key); 7611 } 7612 } 7613 7614 // Save the restriction to ActiveAdmin. 7615 activeAdmin.ensureUserRestrictions().putBoolean(key, enabledFromThisOwner); 7616 saveSettingsLocked(userHandle); 7617 7618 pushUserRestrictions(userHandle); 7619 7620 sendChangedNotification(userHandle); 7621 } 7622 } 7623 7624 private void pushUserRestrictions(int userId) { 7625 synchronized (this) { 7626 final Bundle global; 7627 final Bundle local = new Bundle(); 7628 if (mOwners.isDeviceOwnerUserId(userId)) { 7629 global = new Bundle(); 7630 7631 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 7632 if (deviceOwner == null) { 7633 return; // Shouldn't happen. 7634 } 7635 7636 UserRestrictionsUtils.sortToGlobalAndLocal(deviceOwner.userRestrictions, 7637 global, local); 7638 // DO can disable camera globally. 7639 if (deviceOwner.disableCamera) { 7640 global.putBoolean(UserManager.DISALLOW_CAMERA, true); 7641 } 7642 } else { 7643 global = null; 7644 7645 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 7646 if (profileOwner != null) { 7647 UserRestrictionsUtils.merge(local, profileOwner.userRestrictions); 7648 } 7649 } 7650 // Also merge in *local* camera restriction. 7651 if (getCameraDisabled(/* who= */ null, 7652 userId, /* mergeDeviceOwnerRestriction= */ false)) { 7653 local.putBoolean(UserManager.DISALLOW_CAMERA, true); 7654 } 7655 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, local, global); 7656 } 7657 } 7658 7659 @Override 7660 public Bundle getUserRestrictions(ComponentName who) { 7661 if (!mHasFeature) { 7662 return null; 7663 } 7664 Preconditions.checkNotNull(who, "ComponentName is null"); 7665 synchronized (this) { 7666 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 7667 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7668 return activeAdmin.userRestrictions; 7669 } 7670 } 7671 7672 @Override 7673 public boolean setApplicationHidden(ComponentName who, String packageName, 7674 boolean hidden) { 7675 Preconditions.checkNotNull(who, "ComponentName is null"); 7676 int callingUserId = UserHandle.getCallingUserId(); 7677 synchronized (this) { 7678 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7679 7680 long id = mInjector.binderClearCallingIdentity(); 7681 try { 7682 return mIPackageManager.setApplicationHiddenSettingAsUser( 7683 packageName, hidden, callingUserId); 7684 } catch (RemoteException re) { 7685 // shouldn't happen 7686 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 7687 } finally { 7688 mInjector.binderRestoreCallingIdentity(id); 7689 } 7690 return false; 7691 } 7692 } 7693 7694 @Override 7695 public boolean isApplicationHidden(ComponentName who, String packageName) { 7696 Preconditions.checkNotNull(who, "ComponentName is null"); 7697 int callingUserId = UserHandle.getCallingUserId(); 7698 synchronized (this) { 7699 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7700 7701 long id = mInjector.binderClearCallingIdentity(); 7702 try { 7703 return mIPackageManager.getApplicationHiddenSettingAsUser( 7704 packageName, callingUserId); 7705 } catch (RemoteException re) { 7706 // shouldn't happen 7707 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 7708 } finally { 7709 mInjector.binderRestoreCallingIdentity(id); 7710 } 7711 return false; 7712 } 7713 } 7714 7715 @Override 7716 public void enableSystemApp(ComponentName who, String packageName) { 7717 Preconditions.checkNotNull(who, "ComponentName is null"); 7718 synchronized (this) { 7719 // This API can only be called by an active device admin, 7720 // so try to retrieve it to check that the caller is one. 7721 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7722 7723 int userId = UserHandle.getCallingUserId(); 7724 long id = mInjector.binderClearCallingIdentity(); 7725 7726 try { 7727 if (VERBOSE_LOG) { 7728 Slog.v(LOG_TAG, "installing " + packageName + " for " 7729 + userId); 7730 } 7731 7732 int parentUserId = getProfileParentId(userId); 7733 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 7734 throw new IllegalArgumentException("Only system apps can be enabled this way."); 7735 } 7736 7737 // Install the app. 7738 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7739 7740 } catch (RemoteException re) { 7741 // shouldn't happen 7742 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 7743 } finally { 7744 mInjector.binderRestoreCallingIdentity(id); 7745 } 7746 } 7747 } 7748 7749 @Override 7750 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 7751 Preconditions.checkNotNull(who, "ComponentName is null"); 7752 synchronized (this) { 7753 // This API can only be called by an active device admin, 7754 // so try to retrieve it to check that the caller is one. 7755 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7756 7757 int userId = UserHandle.getCallingUserId(); 7758 long id = mInjector.binderClearCallingIdentity(); 7759 7760 try { 7761 int parentUserId = getProfileParentId(userId); 7762 List<ResolveInfo> activitiesToEnable = mIPackageManager 7763 .queryIntentActivities(intent, 7764 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 7765 PackageManager.MATCH_DIRECT_BOOT_AWARE 7766 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 7767 parentUserId) 7768 .getList(); 7769 7770 if (VERBOSE_LOG) { 7771 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 7772 } 7773 int numberOfAppsInstalled = 0; 7774 if (activitiesToEnable != null) { 7775 for (ResolveInfo info : activitiesToEnable) { 7776 if (info.activityInfo != null) { 7777 String packageName = info.activityInfo.packageName; 7778 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 7779 numberOfAppsInstalled++; 7780 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7781 } else { 7782 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 7783 + " system app"); 7784 } 7785 } 7786 } 7787 } 7788 return numberOfAppsInstalled; 7789 } catch (RemoteException e) { 7790 // shouldn't happen 7791 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 7792 return 0; 7793 } finally { 7794 mInjector.binderRestoreCallingIdentity(id); 7795 } 7796 } 7797 } 7798 7799 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 7800 throws RemoteException { 7801 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, MATCH_UNINSTALLED_PACKAGES, 7802 userId); 7803 if (appInfo == null) { 7804 throw new IllegalArgumentException("The application " + packageName + 7805 " is not present on this device"); 7806 } 7807 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7808 } 7809 7810 @Override 7811 public void setAccountManagementDisabled(ComponentName who, String accountType, 7812 boolean disabled) { 7813 if (!mHasFeature) { 7814 return; 7815 } 7816 Preconditions.checkNotNull(who, "ComponentName is null"); 7817 synchronized (this) { 7818 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 7819 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7820 if (disabled) { 7821 ap.accountTypesWithManagementDisabled.add(accountType); 7822 } else { 7823 ap.accountTypesWithManagementDisabled.remove(accountType); 7824 } 7825 saveSettingsLocked(UserHandle.getCallingUserId()); 7826 } 7827 } 7828 7829 @Override 7830 public String[] getAccountTypesWithManagementDisabled() { 7831 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 7832 } 7833 7834 @Override 7835 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 7836 enforceFullCrossUsersPermission(userId); 7837 if (!mHasFeature) { 7838 return null; 7839 } 7840 synchronized (this) { 7841 DevicePolicyData policy = getUserData(userId); 7842 final int N = policy.mAdminList.size(); 7843 ArraySet<String> resultSet = new ArraySet<>(); 7844 for (int i = 0; i < N; i++) { 7845 ActiveAdmin admin = policy.mAdminList.get(i); 7846 resultSet.addAll(admin.accountTypesWithManagementDisabled); 7847 } 7848 return resultSet.toArray(new String[resultSet.size()]); 7849 } 7850 } 7851 7852 @Override 7853 public void setUninstallBlocked(ComponentName who, String packageName, 7854 boolean uninstallBlocked) { 7855 Preconditions.checkNotNull(who, "ComponentName is null"); 7856 final int userId = UserHandle.getCallingUserId(); 7857 synchronized (this) { 7858 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7859 7860 long id = mInjector.binderClearCallingIdentity(); 7861 try { 7862 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 7863 } catch (RemoteException re) { 7864 // Shouldn't happen. 7865 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 7866 } finally { 7867 mInjector.binderRestoreCallingIdentity(id); 7868 } 7869 } 7870 } 7871 7872 @Override 7873 public boolean isUninstallBlocked(ComponentName who, String packageName) { 7874 // This function should return true if and only if the package is blocked by 7875 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 7876 // when the package is a system app, or when it is an active device admin. 7877 final int userId = UserHandle.getCallingUserId(); 7878 7879 synchronized (this) { 7880 if (who != null) { 7881 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7882 } 7883 7884 long id = mInjector.binderClearCallingIdentity(); 7885 try { 7886 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 7887 } catch (RemoteException re) { 7888 // Shouldn't happen. 7889 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 7890 } finally { 7891 mInjector.binderRestoreCallingIdentity(id); 7892 } 7893 } 7894 return false; 7895 } 7896 7897 @Override 7898 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 7899 if (!mHasFeature) { 7900 return; 7901 } 7902 Preconditions.checkNotNull(who, "ComponentName is null"); 7903 synchronized (this) { 7904 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7905 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7906 if (admin.disableCallerId != disabled) { 7907 admin.disableCallerId = disabled; 7908 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7909 } 7910 } 7911 } 7912 7913 @Override 7914 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 7915 if (!mHasFeature) { 7916 return false; 7917 } 7918 Preconditions.checkNotNull(who, "ComponentName is null"); 7919 synchronized (this) { 7920 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7921 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7922 return admin.disableCallerId; 7923 } 7924 } 7925 7926 @Override 7927 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 7928 enforceCrossUsersPermission(userId); 7929 synchronized (this) { 7930 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7931 return (admin != null) ? admin.disableCallerId : false; 7932 } 7933 } 7934 7935 @Override 7936 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 7937 if (!mHasFeature) { 7938 return; 7939 } 7940 Preconditions.checkNotNull(who, "ComponentName is null"); 7941 synchronized (this) { 7942 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7943 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7944 if (admin.disableContactsSearch != disabled) { 7945 admin.disableContactsSearch = disabled; 7946 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7947 } 7948 } 7949 } 7950 7951 @Override 7952 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 7953 if (!mHasFeature) { 7954 return false; 7955 } 7956 Preconditions.checkNotNull(who, "ComponentName is null"); 7957 synchronized (this) { 7958 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7959 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7960 return admin.disableContactsSearch; 7961 } 7962 } 7963 7964 @Override 7965 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 7966 enforceCrossUsersPermission(userId); 7967 synchronized (this) { 7968 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 7969 return (admin != null) ? admin.disableContactsSearch : false; 7970 } 7971 } 7972 7973 @Override 7974 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 7975 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 7976 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 7977 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 7978 final int callingUserId = UserHandle.getCallingUserId(); 7979 7980 final long ident = mInjector.binderClearCallingIdentity(); 7981 try { 7982 synchronized (this) { 7983 final int managedUserId = getManagedUserId(callingUserId); 7984 if (managedUserId < 0) { 7985 return; 7986 } 7987 if (isCrossProfileQuickContactDisabled(managedUserId)) { 7988 if (VERBOSE_LOG) { 7989 Log.v(LOG_TAG, 7990 "Cross-profile contacts access disabled for user " + managedUserId); 7991 } 7992 return; 7993 } 7994 ContactsInternal.startQuickContactWithErrorToastForUser( 7995 mContext, intent, new UserHandle(managedUserId)); 7996 } 7997 } finally { 7998 mInjector.binderRestoreCallingIdentity(ident); 7999 } 8000 } 8001 8002 /** 8003 * @return true if cross-profile QuickContact is disabled 8004 */ 8005 private boolean isCrossProfileQuickContactDisabled(int userId) { 8006 return getCrossProfileCallerIdDisabledForUser(userId) 8007 && getCrossProfileContactsSearchDisabledForUser(userId); 8008 } 8009 8010 /** 8011 * @return the user ID of the managed user that is linked to the current user, if any. 8012 * Otherwise -1. 8013 */ 8014 public int getManagedUserId(int callingUserId) { 8015 if (VERBOSE_LOG) { 8016 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 8017 } 8018 8019 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 8020 if (ui.id == callingUserId || !ui.isManagedProfile()) { 8021 continue; // Caller user self, or not a managed profile. Skip. 8022 } 8023 if (VERBOSE_LOG) { 8024 Log.v(LOG_TAG, "Managed user=" + ui.id); 8025 } 8026 return ui.id; 8027 } 8028 if (VERBOSE_LOG) { 8029 Log.v(LOG_TAG, "Managed user not found."); 8030 } 8031 return -1; 8032 } 8033 8034 @Override 8035 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 8036 if (!mHasFeature) { 8037 return; 8038 } 8039 Preconditions.checkNotNull(who, "ComponentName is null"); 8040 synchronized (this) { 8041 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8042 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8043 if (admin.disableBluetoothContactSharing != disabled) { 8044 admin.disableBluetoothContactSharing = disabled; 8045 saveSettingsLocked(UserHandle.getCallingUserId()); 8046 } 8047 } 8048 } 8049 8050 @Override 8051 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 8052 if (!mHasFeature) { 8053 return false; 8054 } 8055 Preconditions.checkNotNull(who, "ComponentName is null"); 8056 synchronized (this) { 8057 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8058 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8059 return admin.disableBluetoothContactSharing; 8060 } 8061 } 8062 8063 @Override 8064 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 8065 // TODO: Should there be a check to make sure this relationship is 8066 // within a profile group? 8067 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 8068 synchronized (this) { 8069 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8070 return (admin != null) ? admin.disableBluetoothContactSharing : false; 8071 } 8072 } 8073 8074 /** 8075 * Sets which packages may enter lock task mode. 8076 * 8077 * <p>This function can only be called by the device owner or alternatively by the profile owner 8078 * in case the user is affiliated. 8079 * 8080 * @param packages The list of packages allowed to enter lock task mode. 8081 */ 8082 @Override 8083 public void setLockTaskPackages(ComponentName who, String[] packages) 8084 throws SecurityException { 8085 Preconditions.checkNotNull(who, "ComponentName is null"); 8086 8087 synchronized (this) { 8088 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8089 final int userHandle = mInjector.userHandleGetCallingUserId(); 8090 if (isUserAffiliatedWithDevice(userHandle)) { 8091 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 8092 } else { 8093 throw new SecurityException("Admin " + who + 8094 " is neither the device owner or affiliated user's profile owner."); 8095 } 8096 } 8097 } 8098 8099 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 8100 DevicePolicyData policy = getUserData(userHandle); 8101 policy.mLockTaskPackages = packages; 8102 8103 // Store the settings persistently. 8104 saveSettingsLocked(userHandle); 8105 updateLockTaskPackagesLocked(packages, userHandle); 8106 } 8107 8108 /** 8109 * This function returns the list of components allowed to start the task lock mode. 8110 */ 8111 @Override 8112 public String[] getLockTaskPackages(ComponentName who) { 8113 Preconditions.checkNotNull(who, "ComponentName is null"); 8114 synchronized (this) { 8115 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8116 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 8117 final List<String> packages = getLockTaskPackagesLocked(userHandle); 8118 return packages.toArray(new String[packages.size()]); 8119 } 8120 } 8121 8122 private List<String> getLockTaskPackagesLocked(int userHandle) { 8123 final DevicePolicyData policy = getUserData(userHandle); 8124 return policy.mLockTaskPackages; 8125 } 8126 8127 /** 8128 * This function lets the caller know whether the given package is allowed to start the 8129 * lock task mode. 8130 * @param pkg The package to check 8131 */ 8132 @Override 8133 public boolean isLockTaskPermitted(String pkg) { 8134 // Get current user's devicepolicy 8135 int uid = mInjector.binderGetCallingUid(); 8136 int userHandle = UserHandle.getUserId(uid); 8137 DevicePolicyData policy = getUserData(userHandle); 8138 synchronized (this) { 8139 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 8140 String lockTaskPackage = policy.mLockTaskPackages.get(i); 8141 8142 // If the given package equals one of the packages stored our list, 8143 // we allow this package to start lock task mode. 8144 if (lockTaskPackage.equals(pkg)) { 8145 return true; 8146 } 8147 } 8148 } 8149 return false; 8150 } 8151 8152 @Override 8153 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 8154 if (!isCallerWithSystemUid()) { 8155 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 8156 } 8157 synchronized (this) { 8158 final DevicePolicyData policy = getUserData(userHandle); 8159 Bundle adminExtras = new Bundle(); 8160 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 8161 for (ActiveAdmin admin : policy.mAdminList) { 8162 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 8163 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 8164 if (ownsDevice || ownsProfile) { 8165 if (isEnabled) { 8166 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 8167 adminExtras, null); 8168 } else { 8169 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 8170 } 8171 } 8172 } 8173 } 8174 } 8175 8176 @Override 8177 public void setGlobalSetting(ComponentName who, String setting, String value) { 8178 Preconditions.checkNotNull(who, "ComponentName is null"); 8179 8180 synchronized (this) { 8181 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8182 8183 // Some settings are no supported any more. However we do not want to throw a 8184 // SecurityException to avoid breaking apps. 8185 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 8186 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 8187 return; 8188 } 8189 8190 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 8191 throw new SecurityException(String.format( 8192 "Permission denial: device owners cannot update %1$s", setting)); 8193 } 8194 8195 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 8196 // ignore if it contradicts an existing policy 8197 long timeMs = getMaximumTimeToLock( 8198 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 8199 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 8200 return; 8201 } 8202 } 8203 8204 long id = mInjector.binderClearCallingIdentity(); 8205 try { 8206 mInjector.settingsGlobalPutString(setting, value); 8207 } finally { 8208 mInjector.binderRestoreCallingIdentity(id); 8209 } 8210 } 8211 } 8212 8213 @Override 8214 public void setSecureSetting(ComponentName who, String setting, String value) { 8215 Preconditions.checkNotNull(who, "ComponentName is null"); 8216 int callingUserId = mInjector.userHandleGetCallingUserId(); 8217 8218 synchronized (this) { 8219 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8220 8221 if (isDeviceOwner(who, callingUserId)) { 8222 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 8223 throw new SecurityException(String.format( 8224 "Permission denial: Device owners cannot update %1$s", setting)); 8225 } 8226 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 8227 throw new SecurityException(String.format( 8228 "Permission denial: Profile owners cannot update %1$s", setting)); 8229 } 8230 8231 long id = mInjector.binderClearCallingIdentity(); 8232 try { 8233 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 8234 } finally { 8235 mInjector.binderRestoreCallingIdentity(id); 8236 } 8237 } 8238 } 8239 8240 @Override 8241 public void setMasterVolumeMuted(ComponentName who, boolean on) { 8242 Preconditions.checkNotNull(who, "ComponentName is null"); 8243 synchronized (this) { 8244 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8245 setUserRestriction(who, UserManager.DISALLLOW_UNMUTE_DEVICE, on); 8246 } 8247 } 8248 8249 @Override 8250 public boolean isMasterVolumeMuted(ComponentName who) { 8251 Preconditions.checkNotNull(who, "ComponentName is null"); 8252 synchronized (this) { 8253 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8254 8255 AudioManager audioManager = 8256 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 8257 return audioManager.isMasterMute(); 8258 } 8259 } 8260 8261 @Override 8262 public void setUserIcon(ComponentName who, Bitmap icon) { 8263 synchronized (this) { 8264 Preconditions.checkNotNull(who, "ComponentName is null"); 8265 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8266 8267 int userId = UserHandle.getCallingUserId(); 8268 long id = mInjector.binderClearCallingIdentity(); 8269 try { 8270 mUserManagerInternal.setUserIcon(userId, icon); 8271 } finally { 8272 mInjector.binderRestoreCallingIdentity(id); 8273 } 8274 } 8275 } 8276 8277 @Override 8278 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 8279 Preconditions.checkNotNull(who, "ComponentName is null"); 8280 synchronized (this) { 8281 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8282 } 8283 final int userId = UserHandle.getCallingUserId(); 8284 8285 long ident = mInjector.binderClearCallingIdentity(); 8286 try { 8287 // disallow disabling the keyguard if a password is currently set 8288 if (disabled && mLockPatternUtils.isSecure(userId)) { 8289 return false; 8290 } 8291 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 8292 } finally { 8293 mInjector.binderRestoreCallingIdentity(ident); 8294 } 8295 return true; 8296 } 8297 8298 @Override 8299 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 8300 int userId = UserHandle.getCallingUserId(); 8301 synchronized (this) { 8302 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8303 DevicePolicyData policy = getUserData(userId); 8304 if (policy.mStatusBarDisabled != disabled) { 8305 if (!setStatusBarDisabledInternal(disabled, userId)) { 8306 return false; 8307 } 8308 policy.mStatusBarDisabled = disabled; 8309 saveSettingsLocked(userId); 8310 } 8311 } 8312 return true; 8313 } 8314 8315 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 8316 long ident = mInjector.binderClearCallingIdentity(); 8317 try { 8318 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 8319 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 8320 if (statusBarService != null) { 8321 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 8322 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 8323 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 8324 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 8325 return true; 8326 } 8327 } catch (RemoteException e) { 8328 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 8329 } finally { 8330 mInjector.binderRestoreCallingIdentity(ident); 8331 } 8332 return false; 8333 } 8334 8335 /** 8336 * We need to update the internal state of whether a user has completed setup or a 8337 * device has paired once. After that, we ignore any changes that reset the 8338 * Settings.Secure.USER_SETUP_COMPLETE or Settings.Secure.DEVICE_PAIRED change 8339 * as we don't trust any apps that might try to reset them. 8340 * <p> 8341 * Unfortunately, we don't know which user's setup state was changed, so we write all of 8342 * them. 8343 */ 8344 void updateUserSetupCompleteAndPaired() { 8345 List<UserInfo> users = mUserManager.getUsers(true); 8346 final int N = users.size(); 8347 for (int i = 0; i < N; i++) { 8348 int userHandle = users.get(i).id; 8349 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 8350 userHandle) != 0) { 8351 DevicePolicyData policy = getUserData(userHandle); 8352 if (!policy.mUserSetupComplete) { 8353 policy.mUserSetupComplete = true; 8354 synchronized (this) { 8355 saveSettingsLocked(userHandle); 8356 } 8357 } 8358 } 8359 if (mIsWatch && mInjector.settingsSecureGetIntForUser(Settings.Secure.DEVICE_PAIRED, 0, 8360 userHandle) != 0) { 8361 DevicePolicyData policy = getUserData(userHandle); 8362 if (!policy.mPaired) { 8363 policy.mPaired = true; 8364 synchronized (this) { 8365 saveSettingsLocked(userHandle); 8366 } 8367 } 8368 } 8369 } 8370 } 8371 8372 private class SetupContentObserver extends ContentObserver { 8373 8374 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 8375 Settings.Secure.USER_SETUP_COMPLETE); 8376 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 8377 Settings.Global.DEVICE_PROVISIONED); 8378 private final Uri mPaired = Settings.Secure.getUriFor(Settings.Secure.DEVICE_PAIRED); 8379 8380 public SetupContentObserver(Handler handler) { 8381 super(handler); 8382 } 8383 8384 void register() { 8385 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 8386 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 8387 if (mIsWatch) { 8388 mInjector.registerContentObserver(mPaired, false, this, UserHandle.USER_ALL); 8389 } 8390 } 8391 8392 @Override 8393 public void onChange(boolean selfChange, Uri uri) { 8394 if (mUserSetupComplete.equals(uri) || (mIsWatch && mPaired.equals(uri))) { 8395 updateUserSetupCompleteAndPaired(); 8396 } else if (mDeviceProvisioned.equals(uri)) { 8397 synchronized (DevicePolicyManagerService.this) { 8398 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 8399 // is delayed until device is marked as provisioned. 8400 setDeviceOwnerSystemPropertyLocked(); 8401 } 8402 } 8403 } 8404 } 8405 8406 @VisibleForTesting 8407 final class LocalService extends DevicePolicyManagerInternal { 8408 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 8409 8410 @Override 8411 public List<String> getCrossProfileWidgetProviders(int profileId) { 8412 synchronized (DevicePolicyManagerService.this) { 8413 if (mOwners == null) { 8414 return Collections.emptyList(); 8415 } 8416 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 8417 if (ownerComponent == null) { 8418 return Collections.emptyList(); 8419 } 8420 8421 DevicePolicyData policy = getUserDataUnchecked(profileId); 8422 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 8423 8424 if (admin == null || admin.crossProfileWidgetProviders == null 8425 || admin.crossProfileWidgetProviders.isEmpty()) { 8426 return Collections.emptyList(); 8427 } 8428 8429 return admin.crossProfileWidgetProviders; 8430 } 8431 } 8432 8433 @Override 8434 public void addOnCrossProfileWidgetProvidersChangeListener( 8435 OnCrossProfileWidgetProvidersChangeListener listener) { 8436 synchronized (DevicePolicyManagerService.this) { 8437 if (mWidgetProviderListeners == null) { 8438 mWidgetProviderListeners = new ArrayList<>(); 8439 } 8440 if (!mWidgetProviderListeners.contains(listener)) { 8441 mWidgetProviderListeners.add(listener); 8442 } 8443 } 8444 } 8445 8446 @Override 8447 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 8448 synchronized(DevicePolicyManagerService.this) { 8449 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 8450 } 8451 } 8452 8453 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 8454 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 8455 synchronized (DevicePolicyManagerService.this) { 8456 listeners = new ArrayList<>(mWidgetProviderListeners); 8457 } 8458 final int listenerCount = listeners.size(); 8459 for (int i = 0; i < listenerCount; i++) { 8460 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 8461 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 8462 } 8463 } 8464 8465 @Override 8466 public Intent createShowAdminSupportIntent(int userId, boolean useDefaultIfNoAdmin) { 8467 // This method is called from AM with its lock held, so don't take the DPMS lock. 8468 // b/29242568 8469 8470 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8471 if (profileOwner != null) { 8472 return createShowAdminSupportIntent(profileOwner, userId); 8473 } 8474 8475 final Pair<Integer, ComponentName> deviceOwner = 8476 mOwners.getDeviceOwnerUserIdAndComponent(); 8477 if (deviceOwner != null && deviceOwner.first == userId) { 8478 return createShowAdminSupportIntent(deviceOwner.second, userId); 8479 } 8480 8481 // We're not specifying the device admin because there isn't one. 8482 if (useDefaultIfNoAdmin) { 8483 return createShowAdminSupportIntent(null, userId); 8484 } 8485 return null; 8486 } 8487 8488 @Override 8489 public Intent createUserRestrictionSupportIntent(int userId, String userRestriction) { 8490 int source; 8491 long ident = mInjector.binderClearCallingIdentity(); 8492 try { 8493 source = mUserManager.getUserRestrictionSource(userRestriction, 8494 UserHandle.of(userId)); 8495 } finally { 8496 mInjector.binderRestoreCallingIdentity(ident); 8497 } 8498 if ((source & UserManager.RESTRICTION_SOURCE_SYSTEM) != 0) { 8499 /* 8500 * In this case, the user restriction is enforced by the system. 8501 * So we won't show an admin support intent, even if it is also 8502 * enforced by a profile/device owner. 8503 */ 8504 return null; 8505 } 8506 boolean enforcedByDo = (source & UserManager.RESTRICTION_SOURCE_DEVICE_OWNER) != 0; 8507 boolean enforcedByPo = (source & UserManager.RESTRICTION_SOURCE_PROFILE_OWNER) != 0; 8508 if (enforcedByDo && enforcedByPo) { 8509 // In this case, we'll show an admin support dialog that does not 8510 // specify the admin. 8511 return createShowAdminSupportIntent(null, userId); 8512 } else if (enforcedByPo) { 8513 final ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8514 if (profileOwner != null) { 8515 return createShowAdminSupportIntent(profileOwner, userId); 8516 } 8517 // This could happen if another thread has changed the profile owner since we called 8518 // getUserRestrictionSource 8519 return null; 8520 } else if (enforcedByDo) { 8521 final Pair<Integer, ComponentName> deviceOwner 8522 = mOwners.getDeviceOwnerUserIdAndComponent(); 8523 if (deviceOwner != null) { 8524 return createShowAdminSupportIntent(deviceOwner.second, deviceOwner.first); 8525 } 8526 // This could happen if another thread has changed the device owner since we called 8527 // getUserRestrictionSource 8528 return null; 8529 } 8530 return null; 8531 } 8532 8533 private Intent createShowAdminSupportIntent(ComponentName admin, int userId) { 8534 // This method is called with AMS lock held, so don't take DPMS lock 8535 final Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 8536 intent.putExtra(Intent.EXTRA_USER_ID, userId); 8537 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, admin); 8538 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 8539 return intent; 8540 } 8541 } 8542 8543 /** 8544 * Returns true if specified admin is allowed to limit passwords and has a 8545 * {@code minimumPasswordMetrics.quality} of at least {@code minPasswordQuality} 8546 */ 8547 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 8548 if (admin.minimumPasswordMetrics.quality < minPasswordQuality) { 8549 return false; 8550 } 8551 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 8552 } 8553 8554 @Override 8555 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 8556 if (policy != null && !policy.isValid()) { 8557 throw new IllegalArgumentException("Invalid system update policy."); 8558 } 8559 synchronized (this) { 8560 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8561 if (policy == null) { 8562 mOwners.clearSystemUpdatePolicy(); 8563 } else { 8564 mOwners.setSystemUpdatePolicy(policy); 8565 } 8566 mOwners.writeDeviceOwner(); 8567 } 8568 mContext.sendBroadcastAsUser( 8569 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 8570 UserHandle.SYSTEM); 8571 } 8572 8573 @Override 8574 public SystemUpdatePolicy getSystemUpdatePolicy() { 8575 if (UserManager.isDeviceInDemoMode(mContext)) { 8576 // Pretending to have an automatic update policy when the device is in retail demo 8577 // mode. This will allow the device to download and install an ota without 8578 // any user interaction. 8579 return SystemUpdatePolicy.createAutomaticInstallPolicy(); 8580 } 8581 synchronized (this) { 8582 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 8583 if (policy != null && !policy.isValid()) { 8584 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 8585 return null; 8586 } 8587 return policy; 8588 } 8589 } 8590 8591 /** 8592 * Checks if the caller of the method is the device owner app. 8593 * 8594 * @param callerUid UID of the caller. 8595 * @return true if the caller is the device owner app 8596 */ 8597 @VisibleForTesting 8598 boolean isCallerDeviceOwner(int callerUid) { 8599 synchronized (this) { 8600 if (!mOwners.hasDeviceOwner()) { 8601 return false; 8602 } 8603 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 8604 return false; 8605 } 8606 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 8607 .getPackageName(); 8608 final String[] pkgs = mContext.getPackageManager().getPackagesForUid(callerUid); 8609 8610 for (String pkg : pkgs) { 8611 if (deviceOwnerPackageName.equals(pkg)) { 8612 return true; 8613 } 8614 } 8615 } 8616 8617 return false; 8618 } 8619 8620 @Override 8621 public void notifyPendingSystemUpdate(long updateReceivedTime) { 8622 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 8623 "Only the system update service can broadcast update information"); 8624 8625 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 8626 Slog.w(LOG_TAG, "Only the system update service in the system user " + 8627 "can broadcast update information."); 8628 return; 8629 } 8630 Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 8631 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 8632 updateReceivedTime); 8633 8634 synchronized (this) { 8635 final String deviceOwnerPackage = 8636 mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerComponent().getPackageName() 8637 : null; 8638 if (deviceOwnerPackage == null) { 8639 return; 8640 } 8641 final UserHandle deviceOwnerUser = new UserHandle(mOwners.getDeviceOwnerUserId()); 8642 8643 ActivityInfo[] receivers = null; 8644 try { 8645 receivers = mContext.getPackageManager().getPackageInfo( 8646 deviceOwnerPackage, PackageManager.GET_RECEIVERS).receivers; 8647 } catch (NameNotFoundException e) { 8648 Log.e(LOG_TAG, "Cannot find device owner package", e); 8649 } 8650 if (receivers != null) { 8651 long ident = mInjector.binderClearCallingIdentity(); 8652 try { 8653 for (int i = 0; i < receivers.length; i++) { 8654 if (permission.BIND_DEVICE_ADMIN.equals(receivers[i].permission)) { 8655 intent.setComponent(new ComponentName(deviceOwnerPackage, 8656 receivers[i].name)); 8657 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 8658 } 8659 } 8660 } finally { 8661 mInjector.binderRestoreCallingIdentity(ident); 8662 } 8663 } 8664 } 8665 } 8666 8667 @Override 8668 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 8669 int userId = UserHandle.getCallingUserId(); 8670 synchronized (this) { 8671 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8672 DevicePolicyData userPolicy = getUserData(userId); 8673 if (userPolicy.mPermissionPolicy != policy) { 8674 userPolicy.mPermissionPolicy = policy; 8675 saveSettingsLocked(userId); 8676 } 8677 } 8678 } 8679 8680 @Override 8681 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 8682 int userId = UserHandle.getCallingUserId(); 8683 synchronized (this) { 8684 DevicePolicyData userPolicy = getUserData(userId); 8685 return userPolicy.mPermissionPolicy; 8686 } 8687 } 8688 8689 @Override 8690 public boolean setPermissionGrantState(ComponentName admin, String packageName, 8691 String permission, int grantState) throws RemoteException { 8692 UserHandle user = mInjector.binderGetCallingUserHandle(); 8693 synchronized (this) { 8694 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8695 long ident = mInjector.binderClearCallingIdentity(); 8696 try { 8697 if (getTargetSdk(packageName, user.getIdentifier()) 8698 < android.os.Build.VERSION_CODES.M) { 8699 return false; 8700 } 8701 final PackageManager packageManager = mContext.getPackageManager(); 8702 switch (grantState) { 8703 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 8704 mInjector.getPackageManagerInternal().grantRuntimePermission(packageName, 8705 permission, user.getIdentifier(), true /* override policy */); 8706 packageManager.updatePermissionFlags(permission, packageName, 8707 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8708 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8709 } break; 8710 8711 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 8712 mInjector.getPackageManagerInternal().revokeRuntimePermission(packageName, 8713 permission, user.getIdentifier(), true /* override policy */); 8714 packageManager.updatePermissionFlags(permission, packageName, 8715 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8716 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8717 } break; 8718 8719 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 8720 packageManager.updatePermissionFlags(permission, packageName, 8721 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 8722 } break; 8723 } 8724 return true; 8725 } catch (SecurityException se) { 8726 return false; 8727 } finally { 8728 mInjector.binderRestoreCallingIdentity(ident); 8729 } 8730 } 8731 } 8732 8733 @Override 8734 public int getPermissionGrantState(ComponentName admin, String packageName, 8735 String permission) throws RemoteException { 8736 PackageManager packageManager = mContext.getPackageManager(); 8737 8738 UserHandle user = mInjector.binderGetCallingUserHandle(); 8739 synchronized (this) { 8740 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8741 long ident = mInjector.binderClearCallingIdentity(); 8742 try { 8743 int granted = mIPackageManager.checkPermission(permission, 8744 packageName, user.getIdentifier()); 8745 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 8746 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 8747 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 8748 // Not controlled by policy 8749 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 8750 } else { 8751 // Policy controlled so return result based on permission grant state 8752 return granted == PackageManager.PERMISSION_GRANTED 8753 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 8754 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 8755 } 8756 } finally { 8757 mInjector.binderRestoreCallingIdentity(ident); 8758 } 8759 } 8760 } 8761 8762 boolean isPackageInstalledForUser(String packageName, int userHandle) { 8763 try { 8764 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 8765 userHandle); 8766 return (pi != null) && (pi.applicationInfo.flags != 0); 8767 } catch (RemoteException re) { 8768 throw new RuntimeException("Package manager has died", re); 8769 } 8770 } 8771 8772 @Override 8773 public boolean isProvisioningAllowed(String action) { 8774 return checkProvisioningPreConditionSkipPermission(action) == CODE_OK; 8775 } 8776 8777 @Override 8778 public int checkProvisioningPreCondition(String action) { 8779 enforceCanManageProfileAndDeviceOwners(); 8780 return checkProvisioningPreConditionSkipPermission(action); 8781 } 8782 8783 private int checkProvisioningPreConditionSkipPermission(String action) { 8784 if (!mHasFeature) { 8785 return CODE_DEVICE_ADMIN_NOT_SUPPORTED; 8786 } 8787 8788 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8789 if (action != null) { 8790 switch (action) { 8791 case DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE: 8792 return checkManagedProfileProvisioningPreCondition(callingUserId); 8793 case DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE: 8794 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 8795 case DevicePolicyManager.ACTION_PROVISION_MANAGED_USER: 8796 return checkManagedUserProvisioningPreCondition(callingUserId); 8797 case DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE: 8798 return checkManagedShareableDeviceProvisioningPreCondition(callingUserId); 8799 } 8800 } 8801 throw new IllegalArgumentException("Unknown provisioning action " + action); 8802 } 8803 8804 /** 8805 * The device owner can only be set before the setup phase of the primary user has completed, 8806 * except for adb command if no accounts or additional users are present on the device. 8807 */ 8808 private int checkDeviceOwnerProvisioningPreConditionLocked(@Nullable ComponentName owner, 8809 int deviceOwnerUserId, boolean isAdb) { 8810 if (mOwners.hasDeviceOwner()) { 8811 return CODE_HAS_DEVICE_OWNER; 8812 } 8813 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 8814 return CODE_USER_HAS_PROFILE_OWNER; 8815 } 8816 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 8817 return CODE_USER_NOT_RUNNING; 8818 } 8819 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 8820 return CODE_HAS_PAIRED; 8821 } 8822 if (isAdb) { 8823 // if shell command runs after user setup completed check device status. Otherwise, OK. 8824 if (mIsWatch || hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8825 if (!mInjector.userManagerIsSplitSystemUser()) { 8826 if (mUserManager.getUserCount() > 1) { 8827 return CODE_NONSYSTEM_USER_EXISTS; 8828 } 8829 if (hasIncompatibleAccountsLocked(UserHandle.USER_SYSTEM, owner)) { 8830 return CODE_ACCOUNTS_NOT_EMPTY; 8831 } 8832 } else { 8833 // STOPSHIP Do proper check in split user mode 8834 } 8835 } 8836 return CODE_OK; 8837 } else { 8838 if (!mInjector.userManagerIsSplitSystemUser()) { 8839 // In non-split user mode, DO has to be user 0 8840 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 8841 return CODE_NOT_SYSTEM_USER; 8842 } 8843 // In non-split user mode, only provision DO before setup wizard completes 8844 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8845 return CODE_USER_SETUP_COMPLETED; 8846 } 8847 } else { 8848 // STOPSHIP Do proper check in split user mode 8849 } 8850 return CODE_OK; 8851 } 8852 } 8853 8854 private int checkDeviceOwnerProvisioningPreCondition(int deviceOwnerUserId) { 8855 synchronized (this) { 8856 return checkDeviceOwnerProvisioningPreConditionLocked(/* owner unknown */ null, 8857 deviceOwnerUserId, /* isAdb= */ false); 8858 } 8859 } 8860 8861 private int checkManagedProfileProvisioningPreCondition(int callingUserId) { 8862 if (!hasFeatureManagedUsers()) { 8863 return CODE_MANAGED_USERS_NOT_SUPPORTED; 8864 } 8865 synchronized (this) { 8866 if (mOwners.hasDeviceOwner()) { 8867 // STOPSHIP Only allow creating a managed profile if allowed by the device 8868 // owner. http://b/31952368 8869 if (mInjector.userManagerIsSplitSystemUser()) { 8870 if (callingUserId == UserHandle.USER_SYSTEM) { 8871 // Managed-profiles cannot be setup on the system user. 8872 return CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 8873 } 8874 } 8875 } 8876 } 8877 if (getProfileOwner(callingUserId) != null) { 8878 // Managed user cannot have a managed profile. 8879 return CODE_USER_HAS_PROFILE_OWNER; 8880 } 8881 boolean canRemoveProfile = 8882 !mUserManager.hasUserRestriction(UserManager.DISALLOW_REMOVE_USER); 8883 final long ident = mInjector.binderClearCallingIdentity(); 8884 try { 8885 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, canRemoveProfile)) { 8886 return CODE_CANNOT_ADD_MANAGED_PROFILE; 8887 } 8888 } finally { 8889 mInjector.binderRestoreCallingIdentity(ident); 8890 } 8891 return CODE_OK; 8892 } 8893 8894 private int checkManagedUserProvisioningPreCondition(int callingUserId) { 8895 if (!hasFeatureManagedUsers()) { 8896 return CODE_MANAGED_USERS_NOT_SUPPORTED; 8897 } 8898 if (!mInjector.userManagerIsSplitSystemUser()) { 8899 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 8900 return CODE_NOT_SYSTEM_USER_SPLIT; 8901 } 8902 if (callingUserId == UserHandle.USER_SYSTEM) { 8903 // System user cannot be a managed user. 8904 return CODE_SYSTEM_USER; 8905 } 8906 if (hasUserSetupCompleted(callingUserId)) { 8907 return CODE_USER_SETUP_COMPLETED; 8908 } 8909 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 8910 return CODE_HAS_PAIRED; 8911 } 8912 return CODE_OK; 8913 } 8914 8915 private int checkManagedShareableDeviceProvisioningPreCondition(int callingUserId) { 8916 if (!mInjector.userManagerIsSplitSystemUser()) { 8917 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 8918 return CODE_NOT_SYSTEM_USER_SPLIT; 8919 } 8920 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 8921 } 8922 8923 private boolean hasFeatureManagedUsers() { 8924 try { 8925 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 8926 } catch (RemoteException e) { 8927 return false; 8928 } 8929 } 8930 8931 @Override 8932 public String getWifiMacAddress(ComponentName admin) { 8933 // Make sure caller has DO. 8934 synchronized (this) { 8935 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8936 } 8937 8938 final long ident = mInjector.binderClearCallingIdentity(); 8939 try { 8940 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 8941 if (wifiInfo == null) { 8942 return null; 8943 } 8944 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 8945 } finally { 8946 mInjector.binderRestoreCallingIdentity(ident); 8947 } 8948 } 8949 8950 /** 8951 * Returns the target sdk version number that the given packageName was built for 8952 * in the given user. 8953 */ 8954 private int getTargetSdk(String packageName, int userId) { 8955 final ApplicationInfo ai; 8956 try { 8957 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 8958 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 8959 return targetSdkVersion; 8960 } catch (RemoteException e) { 8961 // Shouldn't happen 8962 return 0; 8963 } 8964 } 8965 8966 @Override 8967 public boolean isManagedProfile(ComponentName admin) { 8968 synchronized (this) { 8969 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8970 } 8971 return isManagedProfile(mInjector.userHandleGetCallingUserId()); 8972 } 8973 8974 @Override 8975 public boolean isSystemOnlyUser(ComponentName admin) { 8976 synchronized (this) { 8977 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8978 } 8979 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8980 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 8981 } 8982 8983 @Override 8984 public void reboot(ComponentName admin) { 8985 Preconditions.checkNotNull(admin); 8986 // Make sure caller has DO. 8987 synchronized (this) { 8988 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8989 } 8990 long ident = mInjector.binderClearCallingIdentity(); 8991 try { 8992 // Make sure there are no ongoing calls on the device. 8993 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 8994 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 8995 } 8996 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 8997 } finally { 8998 mInjector.binderRestoreCallingIdentity(ident); 8999 } 9000 } 9001 9002 @Override 9003 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 9004 if (!mHasFeature) { 9005 return; 9006 } 9007 Preconditions.checkNotNull(who, "ComponentName is null"); 9008 final int userHandle = mInjector.userHandleGetCallingUserId(); 9009 synchronized (this) { 9010 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9011 mInjector.binderGetCallingUid()); 9012 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 9013 admin.shortSupportMessage = message; 9014 saveSettingsLocked(userHandle); 9015 } 9016 } 9017 } 9018 9019 @Override 9020 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 9021 if (!mHasFeature) { 9022 return null; 9023 } 9024 Preconditions.checkNotNull(who, "ComponentName is null"); 9025 synchronized (this) { 9026 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9027 mInjector.binderGetCallingUid()); 9028 return admin.shortSupportMessage; 9029 } 9030 } 9031 9032 @Override 9033 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 9034 if (!mHasFeature) { 9035 return; 9036 } 9037 Preconditions.checkNotNull(who, "ComponentName is null"); 9038 final int userHandle = mInjector.userHandleGetCallingUserId(); 9039 synchronized (this) { 9040 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9041 mInjector.binderGetCallingUid()); 9042 if (!TextUtils.equals(admin.longSupportMessage, message)) { 9043 admin.longSupportMessage = message; 9044 saveSettingsLocked(userHandle); 9045 } 9046 } 9047 } 9048 9049 @Override 9050 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 9051 if (!mHasFeature) { 9052 return null; 9053 } 9054 Preconditions.checkNotNull(who, "ComponentName is null"); 9055 synchronized (this) { 9056 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9057 mInjector.binderGetCallingUid()); 9058 return admin.longSupportMessage; 9059 } 9060 } 9061 9062 @Override 9063 public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9064 if (!mHasFeature) { 9065 return null; 9066 } 9067 Preconditions.checkNotNull(who, "ComponentName is null"); 9068 if (!isCallerWithSystemUid()) { 9069 throw new SecurityException("Only the system can query support message for user"); 9070 } 9071 synchronized (this) { 9072 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9073 if (admin != null) { 9074 return admin.shortSupportMessage; 9075 } 9076 } 9077 return null; 9078 } 9079 9080 @Override 9081 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9082 if (!mHasFeature) { 9083 return null; 9084 } 9085 Preconditions.checkNotNull(who, "ComponentName is null"); 9086 if (!isCallerWithSystemUid()) { 9087 throw new SecurityException("Only the system can query support message for user"); 9088 } 9089 synchronized (this) { 9090 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9091 if (admin != null) { 9092 return admin.longSupportMessage; 9093 } 9094 } 9095 return null; 9096 } 9097 9098 @Override 9099 public void setOrganizationColor(@NonNull ComponentName who, int color) { 9100 if (!mHasFeature) { 9101 return; 9102 } 9103 Preconditions.checkNotNull(who, "ComponentName is null"); 9104 final int userHandle = mInjector.userHandleGetCallingUserId(); 9105 enforceManagedProfile(userHandle, "set organization color"); 9106 synchronized (this) { 9107 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9108 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9109 admin.organizationColor = color; 9110 saveSettingsLocked(userHandle); 9111 } 9112 } 9113 9114 @Override 9115 public void setOrganizationColorForUser(int color, int userId) { 9116 if (!mHasFeature) { 9117 return; 9118 } 9119 enforceFullCrossUsersPermission(userId); 9120 enforceManageUsers(); 9121 enforceManagedProfile(userId, "set organization color"); 9122 synchronized (this) { 9123 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 9124 admin.organizationColor = color; 9125 saveSettingsLocked(userId); 9126 } 9127 } 9128 9129 @Override 9130 public int getOrganizationColor(@NonNull ComponentName who) { 9131 if (!mHasFeature) { 9132 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 9133 } 9134 Preconditions.checkNotNull(who, "ComponentName is null"); 9135 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 9136 synchronized (this) { 9137 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9138 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9139 return admin.organizationColor; 9140 } 9141 } 9142 9143 @Override 9144 public int getOrganizationColorForUser(int userHandle) { 9145 if (!mHasFeature) { 9146 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 9147 } 9148 enforceFullCrossUsersPermission(userHandle); 9149 enforceManagedProfile(userHandle, "get organization color"); 9150 synchronized (this) { 9151 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 9152 return (profileOwner != null) 9153 ? profileOwner.organizationColor 9154 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 9155 } 9156 } 9157 9158 @Override 9159 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 9160 if (!mHasFeature) { 9161 return; 9162 } 9163 Preconditions.checkNotNull(who, "ComponentName is null"); 9164 final int userHandle = mInjector.userHandleGetCallingUserId(); 9165 9166 synchronized (this) { 9167 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9168 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9169 if (!TextUtils.equals(admin.organizationName, text)) { 9170 admin.organizationName = (text == null || text.length() == 0) 9171 ? null : text.toString(); 9172 saveSettingsLocked(userHandle); 9173 } 9174 } 9175 } 9176 9177 @Override 9178 public CharSequence getOrganizationName(@NonNull ComponentName who) { 9179 if (!mHasFeature) { 9180 return null; 9181 } 9182 Preconditions.checkNotNull(who, "ComponentName is null"); 9183 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 9184 synchronized(this) { 9185 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9186 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9187 return admin.organizationName; 9188 } 9189 } 9190 9191 @Override 9192 public CharSequence getDeviceOwnerOrganizationName() { 9193 if (!mHasFeature) { 9194 return null; 9195 } 9196 enforceDeviceOwnerOrManageUsers(); 9197 synchronized(this) { 9198 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 9199 return deviceOwnerAdmin == null ? null : deviceOwnerAdmin.organizationName; 9200 } 9201 } 9202 9203 @Override 9204 public CharSequence getOrganizationNameForUser(int userHandle) { 9205 if (!mHasFeature) { 9206 return null; 9207 } 9208 enforceFullCrossUsersPermission(userHandle); 9209 enforceManagedProfile(userHandle, "get organization name"); 9210 synchronized (this) { 9211 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 9212 return (profileOwner != null) 9213 ? profileOwner.organizationName 9214 : null; 9215 } 9216 } 9217 9218 @Override 9219 public void setAffiliationIds(ComponentName admin, List<String> ids) { 9220 if (!mHasFeature) { 9221 return; 9222 } 9223 9224 Preconditions.checkNotNull(admin); 9225 Preconditions.checkCollectionElementsNotNull(ids, "ids"); 9226 9227 final Set<String> affiliationIds = new ArraySet<String>(ids); 9228 Preconditions.checkArgument( 9229 !affiliationIds.contains(""), "ids must not contain empty strings"); 9230 9231 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9232 synchronized (this) { 9233 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9234 getUserData(callingUserId).mAffiliationIds = affiliationIds; 9235 saveSettingsLocked(callingUserId); 9236 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 9237 // Affiliation ids specified by the device owner are additionally stored in 9238 // UserHandle.USER_SYSTEM's DevicePolicyData. 9239 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 9240 saveSettingsLocked(UserHandle.USER_SYSTEM); 9241 } 9242 } 9243 } 9244 9245 @Override 9246 public List<String> getAffiliationIds(ComponentName admin) { 9247 if (!mHasFeature) { 9248 return Collections.emptyList(); 9249 } 9250 9251 Preconditions.checkNotNull(admin); 9252 synchronized (this) { 9253 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9254 return new ArrayList<String>( 9255 getUserData(mInjector.userHandleGetCallingUserId()).mAffiliationIds); 9256 } 9257 } 9258 9259 @Override 9260 public boolean isAffiliatedUser() { 9261 return isUserAffiliatedWithDevice(mInjector.userHandleGetCallingUserId()); 9262 } 9263 9264 private boolean isUserAffiliatedWithDevice(int userId) { 9265 synchronized (this) { 9266 if (!mOwners.hasDeviceOwner()) { 9267 return false; 9268 } 9269 if (userId == mOwners.getDeviceOwnerUserId()) { 9270 // The user that the DO is installed on is always affiliated with the device. 9271 return true; 9272 } 9273 if (userId == UserHandle.USER_SYSTEM) { 9274 // The system user is always affiliated in a DO device, even if the DO is set on a 9275 // different user. This could be the case if the DO is set in the primary user 9276 // of a split user device. 9277 return true; 9278 } 9279 final ComponentName profileOwner = getProfileOwner(userId); 9280 if (profileOwner == null) { 9281 return false; 9282 } 9283 final Set<String> userAffiliationIds = getUserData(userId).mAffiliationIds; 9284 final Set<String> deviceAffiliationIds = 9285 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 9286 for (String id : userAffiliationIds) { 9287 if (deviceAffiliationIds.contains(id)) { 9288 return true; 9289 } 9290 } 9291 } 9292 return false; 9293 } 9294 9295 private synchronized void disableDeviceOwnerManagedSingleUserFeaturesIfNeeded() { 9296 final boolean isSingleUserManagedDevice = isDeviceOwnerManagedSingleUserDevice(); 9297 9298 // disable security logging if needed 9299 if (!isSingleUserManagedDevice) { 9300 mInjector.securityLogSetLoggingEnabledProperty(false); 9301 Slog.w(LOG_TAG, "Security logging turned off as it's no longer a single user managed" 9302 + " device."); 9303 } 9304 9305 // disable backup service if needed 9306 // note: when clearing DO, the backup service shouldn't be disabled if it was enabled by 9307 // the device owner 9308 if (mOwners.hasDeviceOwner() && !isSingleUserManagedDevice) { 9309 setBackupServiceEnabledInternal(false); 9310 Slog.w(LOG_TAG, "Backup is off as it's a managed device that has more that one user."); 9311 } 9312 9313 // disable network logging if needed 9314 if (!isSingleUserManagedDevice) { 9315 setNetworkLoggingActiveInternal(false); 9316 Slog.w(LOG_TAG, "Network logging turned off as it's no longer a single user managed" 9317 + " device."); 9318 // if there still is a device owner, disable logging policy, otherwise the admin 9319 // has been nuked 9320 if (mOwners.hasDeviceOwner()) { 9321 getDeviceOwnerAdminLocked().isNetworkLoggingEnabled = false; 9322 saveSettingsLocked(mOwners.getDeviceOwnerUserId()); 9323 } 9324 } 9325 } 9326 9327 @Override 9328 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 9329 Preconditions.checkNotNull(admin); 9330 ensureDeviceOwnerManagingSingleUser(admin); 9331 9332 synchronized (this) { 9333 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 9334 return; 9335 } 9336 mInjector.securityLogSetLoggingEnabledProperty(enabled); 9337 if (enabled) { 9338 mSecurityLogMonitor.start(); 9339 } else { 9340 mSecurityLogMonitor.stop(); 9341 } 9342 } 9343 } 9344 9345 @Override 9346 public boolean isSecurityLoggingEnabled(ComponentName admin) { 9347 Preconditions.checkNotNull(admin); 9348 synchronized (this) { 9349 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9350 return mInjector.securityLogGetLoggingEnabledProperty(); 9351 } 9352 } 9353 9354 private synchronized void recordSecurityLogRetrievalTime() { 9355 final long currentTime = System.currentTimeMillis(); 9356 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 9357 if (currentTime > policyData.mLastSecurityLogRetrievalTime) { 9358 policyData.mLastSecurityLogRetrievalTime = currentTime; 9359 saveSettingsLocked(UserHandle.USER_SYSTEM); 9360 } 9361 } 9362 9363 @Override 9364 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 9365 Preconditions.checkNotNull(admin); 9366 ensureDeviceOwnerManagingSingleUser(admin); 9367 9368 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs)) { 9369 return null; 9370 } 9371 9372 recordSecurityLogRetrievalTime(); 9373 9374 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 9375 try { 9376 SecurityLog.readPreviousEvents(output); 9377 return new ParceledListSlice<SecurityEvent>(output); 9378 } catch (IOException e) { 9379 Slog.w(LOG_TAG, "Fail to read previous events" , e); 9380 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 9381 } 9382 } 9383 9384 @Override 9385 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 9386 Preconditions.checkNotNull(admin); 9387 ensureDeviceOwnerManagingSingleUser(admin); 9388 9389 recordSecurityLogRetrievalTime(); 9390 9391 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 9392 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 9393 } 9394 9395 private void enforceCanManageDeviceAdmin() { 9396 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 9397 null); 9398 } 9399 9400 private void enforceCanManageProfileAndDeviceOwners() { 9401 mContext.enforceCallingOrSelfPermission( 9402 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 9403 } 9404 9405 private void enforceCallerSystemUserHandle() { 9406 final int callingUid = mInjector.binderGetCallingUid(); 9407 final int userId = UserHandle.getUserId(callingUid); 9408 if (userId != UserHandle.USER_SYSTEM) { 9409 throw new SecurityException("Caller has to be in user 0"); 9410 } 9411 } 9412 9413 @Override 9414 public boolean isUninstallInQueue(final String packageName) { 9415 enforceCanManageDeviceAdmin(); 9416 final int userId = mInjector.userHandleGetCallingUserId(); 9417 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9418 synchronized (this) { 9419 return mPackagesToRemove.contains(packageUserPair); 9420 } 9421 } 9422 9423 @Override 9424 public void uninstallPackageWithActiveAdmins(final String packageName) { 9425 enforceCanManageDeviceAdmin(); 9426 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 9427 9428 final int userId = mInjector.userHandleGetCallingUserId(); 9429 9430 enforceUserUnlocked(userId); 9431 9432 final ComponentName profileOwner = getProfileOwner(userId); 9433 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 9434 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 9435 } 9436 9437 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 9438 if (getDeviceOwnerUserId() == userId && deviceOwner != null 9439 && packageName.equals(deviceOwner.getPackageName())) { 9440 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 9441 } 9442 9443 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9444 synchronized (this) { 9445 mPackagesToRemove.add(packageUserPair); 9446 } 9447 9448 // All active admins on the user. 9449 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 9450 9451 // Active admins in the target package. 9452 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 9453 if (allActiveAdmins != null) { 9454 for (ComponentName activeAdmin : allActiveAdmins) { 9455 if (packageName.equals(activeAdmin.getPackageName())) { 9456 packageActiveAdmins.add(activeAdmin); 9457 removeActiveAdmin(activeAdmin, userId); 9458 } 9459 } 9460 } 9461 if (packageActiveAdmins.size() == 0) { 9462 startUninstallIntent(packageName, userId); 9463 } else { 9464 mHandler.postDelayed(new Runnable() { 9465 @Override 9466 public void run() { 9467 for (ComponentName activeAdmin : packageActiveAdmins) { 9468 removeAdminArtifacts(activeAdmin, userId); 9469 } 9470 startUninstallIntent(packageName, userId); 9471 } 9472 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 9473 } 9474 } 9475 9476 @Override 9477 public boolean isDeviceProvisioned() { 9478 return !TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT)); 9479 } 9480 9481 private void removePackageIfRequired(final String packageName, final int userId) { 9482 if (!packageHasActiveAdmins(packageName, userId)) { 9483 // Will not do anything if uninstall was not requested or was already started. 9484 startUninstallIntent(packageName, userId); 9485 } 9486 } 9487 9488 private void startUninstallIntent(final String packageName, final int userId) { 9489 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9490 synchronized (this) { 9491 if (!mPackagesToRemove.contains(packageUserPair)) { 9492 // Do nothing if uninstall was not requested or was already started. 9493 return; 9494 } 9495 mPackagesToRemove.remove(packageUserPair); 9496 } 9497 try { 9498 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 9499 // Package does not exist. Nothing to do. 9500 return; 9501 } 9502 } catch (RemoteException re) { 9503 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 9504 } 9505 9506 try { // force stop the package before uninstalling 9507 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 9508 } catch (RemoteException re) { 9509 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 9510 } 9511 final Uri packageURI = Uri.parse("package:" + packageName); 9512 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 9513 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 9514 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 9515 } 9516 9517 /** 9518 * Removes the admin from the policy. Ideally called after the admin's 9519 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 9520 * 9521 * @param adminReceiver The admin to remove 9522 * @param userHandle The user for which this admin has to be removed. 9523 */ 9524 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 9525 synchronized (this) { 9526 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 9527 if (admin == null) { 9528 return; 9529 } 9530 final DevicePolicyData policy = getUserData(userHandle); 9531 final boolean doProxyCleanup = admin.info.usesPolicy( 9532 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 9533 policy.mAdminList.remove(admin); 9534 policy.mAdminMap.remove(adminReceiver); 9535 validatePasswordOwnerLocked(policy); 9536 if (doProxyCleanup) { 9537 resetGlobalProxyLocked(policy); 9538 } 9539 saveSettingsLocked(userHandle); 9540 updateMaximumTimeToLockLocked(userHandle); 9541 policy.mRemovingAdmins.remove(adminReceiver); 9542 9543 Slog.i(LOG_TAG, "Device admin " + adminReceiver + " removed from user " + userHandle); 9544 } 9545 // The removed admin might have disabled camera, so update user 9546 // restrictions. 9547 pushUserRestrictions(userHandle); 9548 } 9549 9550 @Override 9551 public void setDeviceProvisioningConfigApplied() { 9552 enforceManageUsers(); 9553 synchronized (this) { 9554 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 9555 policy.mDeviceProvisioningConfigApplied = true; 9556 saveSettingsLocked(UserHandle.USER_SYSTEM); 9557 } 9558 } 9559 9560 @Override 9561 public boolean isDeviceProvisioningConfigApplied() { 9562 enforceManageUsers(); 9563 synchronized (this) { 9564 final DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 9565 return policy.mDeviceProvisioningConfigApplied; 9566 } 9567 } 9568 9569 /** 9570 * Force update internal persistent state from Settings.Secure.USER_SETUP_COMPLETE. 9571 * 9572 * It's added for testing only. Please use this API carefully if it's used by other system app 9573 * and bare in mind Settings.Secure.USER_SETUP_COMPLETE can be modified by user and other system 9574 * apps. 9575 */ 9576 @Override 9577 public void forceUpdateUserSetupComplete() { 9578 enforceCanManageProfileAndDeviceOwners(); 9579 enforceCallerSystemUserHandle(); 9580 // no effect if it's called from user build 9581 if (!mInjector.isBuildDebuggable()) { 9582 return; 9583 } 9584 final int userId = UserHandle.USER_SYSTEM; 9585 boolean isUserCompleted = mInjector.settingsSecureGetIntForUser( 9586 Settings.Secure.USER_SETUP_COMPLETE, 0, userId) != 0; 9587 DevicePolicyData policy = getUserData(userId); 9588 policy.mUserSetupComplete = isUserCompleted; 9589 synchronized (this) { 9590 saveSettingsLocked(userId); 9591 } 9592 } 9593 9594 @Override 9595 public void setBackupServiceEnabled(ComponentName admin, boolean enabled) { 9596 Preconditions.checkNotNull(admin); 9597 if (!mHasFeature) { 9598 return; 9599 } 9600 ensureDeviceOwnerManagingSingleUser(admin); 9601 setBackupServiceEnabledInternal(enabled); 9602 } 9603 9604 private synchronized void setBackupServiceEnabledInternal(boolean enabled) { 9605 long ident = mInjector.binderClearCallingIdentity(); 9606 try { 9607 IBackupManager ibm = mInjector.getIBackupManager(); 9608 if (ibm != null) { 9609 ibm.setBackupServiceActive(UserHandle.USER_SYSTEM, enabled); 9610 } 9611 } catch (RemoteException e) { 9612 throw new IllegalStateException( 9613 "Failed " + (enabled ? "" : "de") + "activating backup service.", e); 9614 } finally { 9615 mInjector.binderRestoreCallingIdentity(ident); 9616 } 9617 } 9618 9619 @Override 9620 public boolean isBackupServiceEnabled(ComponentName admin) { 9621 Preconditions.checkNotNull(admin); 9622 if (!mHasFeature) { 9623 return true; 9624 } 9625 synchronized (this) { 9626 try { 9627 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9628 IBackupManager ibm = mInjector.getIBackupManager(); 9629 return ibm != null && ibm.isBackupServiceActive(UserHandle.USER_SYSTEM); 9630 } catch (RemoteException e) { 9631 throw new IllegalStateException("Failed requesting backup service state.", e); 9632 } 9633 } 9634 } 9635 9636 @Override 9637 public boolean bindDeviceAdminServiceAsUser( 9638 @NonNull ComponentName admin, @NonNull IApplicationThread caller, 9639 @Nullable IBinder activtiyToken, @NonNull Intent serviceIntent, 9640 @NonNull IServiceConnection connection, int flags, @UserIdInt int targetUserId) { 9641 if (!mHasFeature) { 9642 return false; 9643 } 9644 Preconditions.checkNotNull(admin); 9645 Preconditions.checkNotNull(caller); 9646 Preconditions.checkNotNull(serviceIntent); 9647 Preconditions.checkArgument( 9648 serviceIntent.getComponent() != null || serviceIntent.getPackage() != null, 9649 "Service intent must be explicit (with a package name or component): " 9650 + serviceIntent); 9651 Preconditions.checkNotNull(connection); 9652 Preconditions.checkArgument(mInjector.userHandleGetCallingUserId() != targetUserId, 9653 "target user id must be different from the calling user id"); 9654 9655 if (!getBindDeviceAdminTargetUsers(admin).contains(UserHandle.of(targetUserId))) { 9656 throw new SecurityException("Not allowed to bind to target user id"); 9657 } 9658 9659 final String targetPackage; 9660 synchronized (this) { 9661 targetPackage = getOwnerPackageNameForUserLocked(targetUserId); 9662 } 9663 9664 final long callingIdentity = mInjector.binderClearCallingIdentity(); 9665 try { 9666 // Validate and sanitize the incoming service intent. 9667 final Intent sanitizedIntent = 9668 createCrossUserServiceIntent(serviceIntent, targetPackage, targetUserId); 9669 if (sanitizedIntent == null) { 9670 // Fail, cannot lookup the target service. 9671 return false; 9672 } 9673 // Ask ActivityManager to bind it. Notice that we are binding the service with the 9674 // caller app instead of DevicePolicyManagerService. 9675 return mInjector.getIActivityManager().bindService( 9676 caller, activtiyToken, serviceIntent, 9677 serviceIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 9678 connection, flags, mContext.getOpPackageName(), 9679 targetUserId) != 0; 9680 } catch (RemoteException ex) { 9681 // Same process, should not happen. 9682 } finally { 9683 mInjector.binderRestoreCallingIdentity(callingIdentity); 9684 } 9685 9686 // Failed to bind. 9687 return false; 9688 } 9689 9690 @Override 9691 public @NonNull List<UserHandle> getBindDeviceAdminTargetUsers(@NonNull ComponentName admin) { 9692 if (!mHasFeature) { 9693 return Collections.emptyList(); 9694 } 9695 Preconditions.checkNotNull(admin); 9696 ArrayList<UserHandle> targetUsers = new ArrayList<>(); 9697 9698 synchronized (this) { 9699 ActiveAdmin callingOwner = getActiveAdminForCallerLocked( 9700 admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9701 9702 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9703 final boolean isCallerDeviceOwner = isDeviceOwner(callingOwner); 9704 final boolean isCallerManagedProfile = isManagedProfile(callingUserId); 9705 if ((!isCallerDeviceOwner && !isCallerManagedProfile) 9706 || !isUserAffiliatedWithDevice(callingUserId)) { 9707 return targetUsers; 9708 } 9709 9710 final long callingIdentity = mInjector.binderClearCallingIdentity(); 9711 try { 9712 String callingOwnerPackage = callingOwner.info.getComponent().getPackageName(); 9713 for (int userId : mUserManager.getProfileIdsWithDisabled(callingUserId)) { 9714 if (userId == callingUserId) { 9715 continue; 9716 } 9717 9718 // We only allow the device owner and a managed profile owner to bind to each 9719 // other. 9720 if ((isCallerManagedProfile && userId == mOwners.getDeviceOwnerUserId()) 9721 || (isCallerDeviceOwner && isManagedProfile(userId))) { 9722 String targetOwnerPackage = getOwnerPackageNameForUserLocked(userId); 9723 9724 // Both must be the same package and be affiliated in order to bind. 9725 if (callingOwnerPackage.equals(targetOwnerPackage) 9726 && isUserAffiliatedWithDevice(userId)) { 9727 targetUsers.add(UserHandle.of(userId)); 9728 } 9729 } 9730 } 9731 } finally { 9732 mInjector.binderRestoreCallingIdentity(callingIdentity); 9733 } 9734 } 9735 9736 return targetUsers; 9737 } 9738 9739 /** 9740 * Return true if a given user has any accounts that'll prevent installing a device or profile 9741 * owner {@code owner}. 9742 * - If the user has no accounts, then return false. 9743 * - Otherwise, if the owner is unknown (== null), or is not test-only, then return true. 9744 * - Otherwise, if there's any account that does not have ..._ALLOWED, or does have 9745 * ..._DISALLOWED, return true. 9746 * - Otherwise return false. 9747 */ 9748 private boolean hasIncompatibleAccountsLocked(int userId, @Nullable ComponentName owner) { 9749 final long token = mInjector.binderClearCallingIdentity(); 9750 try { 9751 final AccountManager am = AccountManager.get(mContext); 9752 final Account accounts[] = am.getAccountsAsUser(userId); 9753 if (accounts.length == 0) { 9754 return false; 9755 } 9756 final String[] feature_allow = 9757 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_ALLOWED }; 9758 final String[] feature_disallow = 9759 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_DISALLOWED }; 9760 9761 // Even if we find incompatible accounts along the way, we still check all accounts 9762 // for logging. 9763 boolean compatible = true; 9764 for (Account account : accounts) { 9765 if (hasAccountFeatures(am, account, feature_disallow)) { 9766 Log.e(LOG_TAG, account + " has " + feature_disallow[0]); 9767 compatible = false; 9768 } 9769 if (!hasAccountFeatures(am, account, feature_allow)) { 9770 Log.e(LOG_TAG, account + " doesn't have " + feature_allow[0]); 9771 compatible = false; 9772 } 9773 } 9774 if (compatible) { 9775 Log.w(LOG_TAG, "All accounts are compatible"); 9776 } else { 9777 Log.e(LOG_TAG, "Found incompatible accounts"); 9778 } 9779 9780 // Then check if the owner is test-only. 9781 String log; 9782 if (owner == null) { 9783 // Owner is unknown. Suppose it's not test-only 9784 compatible = false; 9785 log = "Only test-only device/profile owner can be installed with accounts"; 9786 } else if (isAdminTestOnlyLocked(owner, userId)) { 9787 if (compatible) { 9788 log = "Installing test-only owner " + owner; 9789 } else { 9790 log = "Can't install test-only owner " + owner + " with incompatible accounts"; 9791 } 9792 } else { 9793 compatible = false; 9794 log = "Can't install non test-only owner " + owner + " with accounts"; 9795 } 9796 if (compatible) { 9797 Log.w(LOG_TAG, log); 9798 } else { 9799 Log.e(LOG_TAG, log); 9800 } 9801 return !compatible; 9802 } finally { 9803 mInjector.binderRestoreCallingIdentity(token); 9804 } 9805 } 9806 9807 private boolean hasAccountFeatures(AccountManager am, Account account, String[] features) { 9808 try { 9809 return am.hasFeatures(account, features, null, null).getResult(); 9810 } catch (Exception e) { 9811 Log.w(LOG_TAG, "Failed to get account feature", e); 9812 return false; 9813 } 9814 } 9815 9816 private boolean isAdb() { 9817 final int callingUid = mInjector.binderGetCallingUid(); 9818 return callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 9819 } 9820 9821 @Override 9822 public synchronized void setNetworkLoggingEnabled(ComponentName admin, boolean enabled) { 9823 if (!mHasFeature) { 9824 return; 9825 } 9826 Preconditions.checkNotNull(admin); 9827 ensureDeviceOwnerManagingSingleUser(admin); 9828 9829 if (enabled == isNetworkLoggingEnabledInternalLocked()) { 9830 // already in the requested state 9831 return; 9832 } 9833 getDeviceOwnerAdminLocked().isNetworkLoggingEnabled = enabled; 9834 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 9835 9836 setNetworkLoggingActiveInternal(enabled); 9837 } 9838 9839 private synchronized void setNetworkLoggingActiveInternal(boolean active) { 9840 final long callingIdentity = mInjector.binderClearCallingIdentity(); 9841 try { 9842 if (active) { 9843 mNetworkLogger = new NetworkLogger(this, mInjector.getPackageManagerInternal()); 9844 if (!mNetworkLogger.startNetworkLogging()) { 9845 mNetworkLogger = null; 9846 Slog.wtf(LOG_TAG, "Network logging could not be started due to the logging" 9847 + " service not being available yet."); 9848 } 9849 } else { 9850 if (mNetworkLogger != null && !mNetworkLogger.stopNetworkLogging()) { 9851 mNetworkLogger = null; 9852 Slog.wtf(LOG_TAG, "Network logging could not be stopped due to the logging" 9853 + " service not being available yet."); 9854 } 9855 mNetworkLogger = null; 9856 } 9857 } finally { 9858 mInjector.binderRestoreCallingIdentity(callingIdentity); 9859 } 9860 } 9861 9862 @Override 9863 public boolean isNetworkLoggingEnabled(ComponentName admin) { 9864 if (!mHasFeature) { 9865 return false; 9866 } 9867 synchronized (this) { 9868 enforceDeviceOwnerOrManageUsers(); 9869 return isNetworkLoggingEnabledInternalLocked(); 9870 } 9871 } 9872 9873 private boolean isNetworkLoggingEnabledInternalLocked() { 9874 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 9875 return (deviceOwner != null) && deviceOwner.isNetworkLoggingEnabled; 9876 } 9877 9878 /* 9879 * A maximum of 1200 events are returned, and the total marshalled size is in the order of 9880 * 100kB, so returning a List instead of ParceledListSlice is acceptable. 9881 * Ideally this would be done with ParceledList, however it only supports homogeneous types. 9882 * 9883 * @see NetworkLoggingHandler#MAX_EVENTS_PER_BATCH 9884 */ 9885 @Override 9886 public synchronized List<NetworkEvent> retrieveNetworkLogs(ComponentName admin, 9887 long batchToken) { 9888 if (!mHasFeature) { 9889 return null; 9890 } 9891 Preconditions.checkNotNull(admin); 9892 ensureDeviceOwnerManagingSingleUser(admin); 9893 9894 if (mNetworkLogger == null) { 9895 return null; 9896 } 9897 9898 if (!isNetworkLoggingEnabledInternalLocked()) { 9899 return null; 9900 } 9901 9902 final long currentTime = System.currentTimeMillis(); 9903 synchronized (this) { 9904 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 9905 if (currentTime > policyData.mLastNetworkLogsRetrievalTime) { 9906 policyData.mLastNetworkLogsRetrievalTime = currentTime; 9907 saveSettingsLocked(UserHandle.USER_SYSTEM); 9908 } 9909 } 9910 9911 return mNetworkLogger.retrieveLogs(batchToken); 9912 } 9913 9914 /** 9915 * Return the package name of owner in a given user. 9916 */ 9917 private String getOwnerPackageNameForUserLocked(int userId) { 9918 return mOwners.getDeviceOwnerUserId() == userId 9919 ? mOwners.getDeviceOwnerPackageName() 9920 : mOwners.getProfileOwnerPackage(userId); 9921 } 9922 9923 /** 9924 * @param rawIntent Original service intent specified by caller. It must be explicit. 9925 * @param expectedPackageName The expected package name of the resolved service. 9926 * @return Intent that have component explicitly set. {@code null} if no service is resolved 9927 * with the given intent. 9928 * @throws SecurityException if the intent is resolved to an invalid service. 9929 */ 9930 private Intent createCrossUserServiceIntent( 9931 @NonNull Intent rawIntent, @NonNull String expectedPackageName, 9932 @UserIdInt int targetUserId) throws RemoteException, SecurityException { 9933 ResolveInfo info = mIPackageManager.resolveService( 9934 rawIntent, 9935 rawIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 9936 0, // flags 9937 targetUserId); 9938 if (info == null || info.serviceInfo == null) { 9939 Log.e(LOG_TAG, "Fail to look up the service: " + rawIntent 9940 + " or user " + targetUserId + " is not running"); 9941 return null; 9942 } 9943 if (!expectedPackageName.equals(info.serviceInfo.packageName)) { 9944 throw new SecurityException("Only allow to bind service in " + expectedPackageName); 9945 } 9946 if (info.serviceInfo.exported) { 9947 throw new SecurityException("The service must be unexported"); 9948 } 9949 // It is the system server to bind the service, it would be extremely dangerous if it 9950 // can be exploited to bind any service. Set the component explicitly to make sure we 9951 // do not bind anything accidentally. 9952 rawIntent.setComponent(info.serviceInfo.getComponentName()); 9953 return rawIntent; 9954 } 9955 9956 @Override 9957 public long getLastSecurityLogRetrievalTime() { 9958 enforceDeviceOwnerOrManageUsers(); 9959 return getUserData(UserHandle.USER_SYSTEM).mLastSecurityLogRetrievalTime; 9960 } 9961 9962 @Override 9963 public long getLastBugReportRequestTime() { 9964 enforceDeviceOwnerOrManageUsers(); 9965 return getUserData(UserHandle.USER_SYSTEM).mLastBugReportRequestTime; 9966 } 9967 9968 @Override 9969 public long getLastNetworkLogRetrievalTime() { 9970 enforceDeviceOwnerOrManageUsers(); 9971 return getUserData(UserHandle.USER_SYSTEM).mLastNetworkLogsRetrievalTime; 9972 } 9973} 9974