DevicePolicyManagerService.java revision 43769ddb2c348325c9d571626251a233c7ee9b7f
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.ACTION_SHOW_DEVICE_MONITORING_DIALOG; 21import static android.app.admin.DevicePolicyManager.CODE_ACCOUNTS_NOT_EMPTY; 22import static android.app.admin.DevicePolicyManager.CODE_ADD_MANAGED_PROFILE_DISALLOWED; 23import static android.app.admin.DevicePolicyManager.CODE_CANNOT_ADD_MANAGED_PROFILE; 24import static android.app.admin.DevicePolicyManager.CODE_DEVICE_ADMIN_NOT_SUPPORTED; 25import static android.app.admin.DevicePolicyManager.CODE_HAS_DEVICE_OWNER; 26import static android.app.admin.DevicePolicyManager.CODE_HAS_PAIRED; 27import static android.app.admin.DevicePolicyManager.CODE_MANAGED_USERS_NOT_SUPPORTED; 28import static android.app.admin.DevicePolicyManager.CODE_NONSYSTEM_USER_EXISTS; 29import static android.app.admin.DevicePolicyManager.CODE_NOT_SYSTEM_USER; 30import static android.app.admin.DevicePolicyManager.CODE_NOT_SYSTEM_USER_SPLIT; 31import static android.app.admin.DevicePolicyManager.CODE_OK; 32import static android.app.admin.DevicePolicyManager.CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 33import static android.app.admin.DevicePolicyManager.CODE_SYSTEM_USER; 34import static android.app.admin.DevicePolicyManager.CODE_USER_HAS_PROFILE_OWNER; 35import static android.app.admin.DevicePolicyManager.CODE_USER_NOT_RUNNING; 36import static android.app.admin.DevicePolicyManager.CODE_USER_SETUP_COMPLETED; 37import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 38import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 39import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 40import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 41 42import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.PROVISIONING_ENTRY_POINT_ADB; 43import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 44import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 45import static org.xmlpull.v1.XmlPullParser.END_TAG; 46import static org.xmlpull.v1.XmlPullParser.TEXT; 47 48import android.Manifest.permission; 49import android.accessibilityservice.AccessibilityServiceInfo; 50import android.accounts.Account; 51import android.accounts.AccountManager; 52import android.annotation.IntDef; 53import android.annotation.NonNull; 54import android.annotation.Nullable; 55import android.annotation.UserIdInt; 56import android.app.Activity; 57import android.app.ActivityManager; 58import android.app.AlarmManager; 59import android.app.AppGlobals; 60import android.app.IActivityManager; 61import android.app.IApplicationThread; 62import android.app.IServiceConnection; 63import android.app.Notification; 64import android.app.NotificationManager; 65import android.app.PendingIntent; 66import android.app.StatusBarManager; 67import android.app.admin.DeviceAdminInfo; 68import android.app.admin.DeviceAdminReceiver; 69import android.app.admin.DevicePolicyManager; 70import android.app.admin.DevicePolicyManagerInternal; 71import android.app.admin.IDevicePolicyManager; 72import android.app.admin.NetworkEvent; 73import android.app.admin.PasswordMetrics; 74import android.app.admin.SecurityLog; 75import android.app.admin.SecurityLog.SecurityEvent; 76import android.app.admin.SystemUpdatePolicy; 77import android.app.backup.IBackupManager; 78import android.content.BroadcastReceiver; 79import android.content.ComponentName; 80import android.content.Context; 81import android.content.Intent; 82import android.content.IntentFilter; 83import android.content.pm.ActivityInfo; 84import android.content.pm.ApplicationInfo; 85import android.content.pm.IPackageManager; 86import android.content.pm.PackageInfo; 87import android.content.pm.PackageManager; 88import android.content.pm.PackageManager.NameNotFoundException; 89import android.content.pm.PackageManagerInternal; 90import android.content.pm.ParceledListSlice; 91import android.content.pm.ResolveInfo; 92import android.content.pm.ServiceInfo; 93import android.content.pm.UserInfo; 94import android.database.ContentObserver; 95import android.graphics.Bitmap; 96import android.graphics.Color; 97import android.media.AudioManager; 98import android.media.IAudioService; 99import android.net.ConnectivityManager; 100import android.net.IIpConnectivityMetrics; 101import android.net.ProxyInfo; 102import android.net.Uri; 103import android.net.metrics.IpConnectivityLog; 104import android.net.wifi.WifiInfo; 105import android.net.wifi.WifiManager; 106import android.os.AsyncTask; 107import android.os.Binder; 108import android.os.Build; 109import android.os.Bundle; 110import android.os.Environment; 111import android.os.FileUtils; 112import android.os.Handler; 113import android.os.IBinder; 114import android.os.Looper; 115import android.os.ParcelFileDescriptor; 116import android.os.PersistableBundle; 117import android.os.PowerManager; 118import android.os.PowerManagerInternal; 119import android.os.Process; 120import android.os.RecoverySystem; 121import android.os.RemoteCallback; 122import android.os.RemoteException; 123import android.os.ServiceManager; 124import android.os.SystemClock; 125import android.os.SystemProperties; 126import android.os.UserHandle; 127import android.os.UserManager; 128import android.os.UserManagerInternal; 129import android.os.storage.StorageManager; 130import android.provider.ContactsContract.QuickContact; 131import android.provider.ContactsInternal; 132import android.provider.Settings; 133import android.security.Credentials; 134import android.security.IKeyChainAliasCallback; 135import android.security.IKeyChainService; 136import android.security.KeyChain; 137import android.security.KeyChain.KeyChainConnection; 138import android.service.persistentdata.PersistentDataBlockManager; 139import android.telephony.TelephonyManager; 140import android.text.TextUtils; 141import android.util.ArrayMap; 142import android.util.ArraySet; 143import android.util.Log; 144import android.util.Pair; 145import android.util.Slog; 146import android.util.SparseArray; 147import android.util.Xml; 148import android.view.IWindowManager; 149import android.view.accessibility.AccessibilityManager; 150import android.view.accessibility.IAccessibilityManager; 151import android.view.inputmethod.InputMethodInfo; 152import android.view.inputmethod.InputMethodManager; 153 154import com.android.internal.R; 155import com.android.internal.annotations.VisibleForTesting; 156import com.android.internal.logging.MetricsLogger; 157import com.android.internal.statusbar.IStatusBarService; 158import com.android.internal.util.FastXmlSerializer; 159import com.android.internal.util.JournaledFile; 160import com.android.internal.util.ParcelableString; 161import com.android.internal.util.Preconditions; 162import com.android.internal.util.XmlUtils; 163import com.android.internal.widget.LockPatternUtils; 164import com.android.server.LocalServices; 165import com.android.server.SystemService; 166import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 167import com.android.server.pm.UserRestrictionsUtils; 168import com.google.android.collect.Sets; 169 170import org.xmlpull.v1.XmlPullParser; 171import org.xmlpull.v1.XmlPullParserException; 172import org.xmlpull.v1.XmlSerializer; 173 174import java.io.ByteArrayInputStream; 175import java.io.File; 176import java.io.FileDescriptor; 177import java.io.FileInputStream; 178import java.io.FileNotFoundException; 179import java.io.FileOutputStream; 180import java.io.IOException; 181import java.io.PrintWriter; 182import java.lang.annotation.Retention; 183import java.lang.annotation.RetentionPolicy; 184import java.nio.charset.StandardCharsets; 185import java.security.cert.CertificateException; 186import java.security.cert.CertificateFactory; 187import java.security.cert.X509Certificate; 188import java.text.DateFormat; 189import java.util.ArrayList; 190import java.util.Arrays; 191import java.util.Collection; 192import java.util.Collections; 193import java.util.Date; 194import java.util.List; 195import java.util.Map.Entry; 196import java.util.Set; 197import java.util.concurrent.atomic.AtomicBoolean; 198 199/** 200 * Implementation of the device policy APIs. 201 */ 202public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 203 204 private static final String LOG_TAG = "DevicePolicyManager"; 205 206 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 207 208 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 209 210 private static final String TAG_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; 211 212 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 213 214 private static final String TAG_STATUS_BAR = "statusbar"; 215 216 private static final String ATTR_DISABLED = "disabled"; 217 218 private static final String ATTR_NAME = "name"; 219 220 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 221 "do-not-ask-credentials-on-boot"; 222 223 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 224 225 private static final String TAG_LAST_SECURITY_LOG_RETRIEVAL = "last-security-log-retrieval"; 226 227 private static final String TAG_LAST_BUG_REPORT_REQUEST = "last-bug-report-request"; 228 229 private static final String TAG_LAST_NETWORK_LOG_RETRIEVAL = "last-network-log-retrieval"; 230 231 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 232 233 private static final String ATTR_ID = "id"; 234 235 private static final String ATTR_VALUE = "value"; 236 237 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 238 239 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 240 241 private static final long MS_PER_DAY = 86400 * 1000; 242 243 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 244 245 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 246 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 247 248 private static final int MONITORING_CERT_NOTIFICATION_ID = R.plurals.ssl_ca_cert_warning; 249 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 250 private static final int NETWORK_LOGGING_NOTIFICATION_ID = 1002; 251 252 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 253 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 254 private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; 255 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 256 private static final String ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED = 257 "device-provisioning-config-applied"; 258 private static final String ATTR_DEVICE_PAIRED = "device-paired"; 259 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 260 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 261 = "application-restrictions-manager"; 262 263 /** 264 * System property whose value is either "true" or "false", indicating whether 265 * device owner is present. 266 */ 267 private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; 268 269 private static final int STATUS_BAR_DISABLE_MASK = 270 StatusBarManager.DISABLE_EXPAND | 271 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 272 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 273 StatusBarManager.DISABLE_SEARCH; 274 275 private static final int STATUS_BAR_DISABLE2_MASK = 276 StatusBarManager.DISABLE2_QUICK_SETTINGS; 277 278 private static final Set<String> SECURE_SETTINGS_WHITELIST; 279 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 280 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 281 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 282 static { 283 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 284 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 285 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 286 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 287 288 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 289 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 290 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 291 292 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 293 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 294 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 295 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 296 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 297 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 298 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 299 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 300 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 301 302 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 303 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 304 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 305 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 306 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 307 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 308 } 309 310 /** 311 * Keyguard features that when set on a managed profile that doesn't have its own challenge will 312 * affect the profile's parent user. These can also be set on the managed profile's parent DPM 313 * instance. 314 */ 315 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 316 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 317 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 318 319 /** 320 * Keyguard features that when set on a profile affect the profile content or challenge only. 321 * These cannot be set on the managed profile's parent DPM instance 322 */ 323 private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = 324 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 325 326 /** Keyguard features that are allowed to be set on a managed profile */ 327 private static final int PROFILE_KEYGUARD_FEATURES = 328 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; 329 330 private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; 331 332 /** 333 * Minimum timeout in milliseconds after which unlocking with weak auth times out, 334 * i.e. the user has to use a strong authentication method like password, PIN or pattern. 335 */ 336 private static final long MINIMUM_STRONG_AUTH_TIMEOUT_MS = 1 * 60 * 60 * 1000; // 1h 337 338 /** 339 * Strings logged with {@link #PROVISIONING_ENTRY_POINT_ADB}. 340 */ 341 private static final String LOG_TAG_PROFILE_OWNER = "profile-owner"; 342 private static final String LOG_TAG_DEVICE_OWNER = "device-owner"; 343 344 final Context mContext; 345 final Injector mInjector; 346 final IPackageManager mIPackageManager; 347 final UserManager mUserManager; 348 final UserManagerInternal mUserManagerInternal; 349 final TelephonyManager mTelephonyManager; 350 private final LockPatternUtils mLockPatternUtils; 351 352 /** 353 * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p 354 * is requested for user u. 355 */ 356 private final Set<Pair<String, Integer>> mPackagesToRemove = 357 new ArraySet<Pair<String, Integer>>(); 358 359 final LocalService mLocalService; 360 361 // Stores and loads state on device and profile owners. 362 @VisibleForTesting 363 final Owners mOwners; 364 365 private final Binder mToken = new Binder(); 366 367 /** 368 * Whether or not device admin feature is supported. If it isn't return defaults for all 369 * public methods. 370 */ 371 boolean mHasFeature; 372 373 /** 374 * Whether or not this device is a watch. 375 */ 376 boolean mIsWatch; 377 378 private final SecurityLogMonitor mSecurityLogMonitor; 379 private NetworkLogger mNetworkLogger; 380 381 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 382 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 383 384 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 385 @Override 386 public void run() { 387 if(mRemoteBugreportServiceIsActive.get()) { 388 onBugreportFailed(); 389 } 390 } 391 }; 392 393 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 394 395 @Override 396 public void onReceive(Context context, Intent intent) { 397 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 398 && mRemoteBugreportServiceIsActive.get()) { 399 onBugreportFinished(intent); 400 } 401 } 402 }; 403 404 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 405 406 @Override 407 public void onReceive(Context context, Intent intent) { 408 String action = intent.getAction(); 409 mInjector.getNotificationManager().cancel(LOG_TAG, 410 RemoteBugreportUtils.NOTIFICATION_ID); 411 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 412 onBugreportSharingAccepted(); 413 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 414 onBugreportSharingDeclined(); 415 } 416 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 417 } 418 }; 419 420 public static final class Lifecycle extends SystemService { 421 private DevicePolicyManagerService mService; 422 423 public Lifecycle(Context context) { 424 super(context); 425 mService = new DevicePolicyManagerService(context); 426 } 427 428 @Override 429 public void onStart() { 430 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 431 } 432 433 @Override 434 public void onBootPhase(int phase) { 435 mService.systemReady(phase); 436 } 437 438 @Override 439 public void onStartUser(int userHandle) { 440 mService.onStartUser(userHandle); 441 } 442 } 443 444 public static class DevicePolicyData { 445 @NonNull PasswordMetrics mActivePasswordMetrics = new PasswordMetrics(); 446 int mFailedPasswordAttempts = 0; 447 448 int mUserHandle; 449 int mPasswordOwner = -1; 450 long mLastMaximumTimeToLock = -1; 451 boolean mUserSetupComplete = false; 452 boolean mPaired = false; 453 int mUserProvisioningState; 454 int mPermissionPolicy; 455 456 boolean mDeviceProvisioningConfigApplied = false; 457 458 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 459 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 460 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 461 462 final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); 463 464 // This is the list of component allowed to start lock task mode. 465 List<String> mLockTaskPackages = new ArrayList<>(); 466 467 boolean mStatusBarDisabled = false; 468 469 ComponentName mRestrictionsProvider; 470 471 String mDelegatedCertInstallerPackage; 472 473 boolean doNotAskCredentialsOnBoot = false; 474 475 String mApplicationRestrictionsManagingPackage; 476 477 Set<String> mAffiliationIds = new ArraySet<>(); 478 479 long mLastSecurityLogRetrievalTime = -1; 480 481 long mLastBugReportRequestTime = -1; 482 483 long mLastNetworkLogsRetrievalTime = -1; 484 485 // Used for initialization of users created by createAndManageUsers. 486 boolean mAdminBroadcastPending = false; 487 PersistableBundle mInitBundle = null; 488 489 public DevicePolicyData(int userHandle) { 490 mUserHandle = userHandle; 491 } 492 } 493 494 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 495 496 final Handler mHandler; 497 498 BroadcastReceiver mReceiver = new BroadcastReceiver() { 499 @Override 500 public void onReceive(Context context, Intent intent) { 501 final String action = intent.getAction(); 502 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 503 getSendingUserId()); 504 505 /* 506 * Network logging would ideally be started in setDeviceOwnerSystemPropertyLocked(), 507 * however it's too early in the boot process to register with IIpConnectivityMetrics 508 * to listen for events. 509 */ 510 if (Intent.ACTION_USER_STARTED.equals(action) 511 && userHandle == mOwners.getDeviceOwnerUserId()) { 512 synchronized (DevicePolicyManagerService.this) { 513 if (isNetworkLoggingEnabledInternalLocked()) { 514 setNetworkLoggingActiveInternal(true); 515 } 516 } 517 } 518 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 519 && userHandle == mOwners.getDeviceOwnerUserId() 520 && getDeviceOwnerRemoteBugreportUri() != null) { 521 IntentFilter filterConsent = new IntentFilter(); 522 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 523 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 524 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 525 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 526 RemoteBugreportUtils.NOTIFICATION_ID, 527 RemoteBugreportUtils.buildNotification(mContext, 528 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 529 UserHandle.ALL); 530 } 531 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 532 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 533 if (VERBOSE_LOG) { 534 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 535 + action + " for user " + userHandle); 536 } 537 mHandler.post(new Runnable() { 538 @Override 539 public void run() { 540 handlePasswordExpirationNotification(userHandle); 541 } 542 }); 543 } 544 if (Intent.ACTION_USER_UNLOCKED.equals(action) 545 || Intent.ACTION_USER_STARTED.equals(action) 546 || KeyChain.ACTION_TRUST_STORE_CHANGED.equals(action)) { 547 int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 548 new MonitoringCertNotificationTask().execute(userId); 549 } 550 if (Intent.ACTION_USER_ADDED.equals(action)) { 551 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_ADDED, userHandle); 552 disableDeviceOwnerManagedSingleUserFeaturesIfNeeded(); 553 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 554 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_REMOVED, userHandle); 555 disableDeviceOwnerManagedSingleUserFeaturesIfNeeded(); 556 removeUserData(userHandle); 557 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 558 synchronized (DevicePolicyManagerService.this) { 559 // Reset the policy data 560 mUserData.remove(userHandle); 561 sendAdminEnabledBroadcastLocked(userHandle); 562 } 563 handlePackagesChanged(null /* check all admins */, userHandle); 564 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 565 handlePackagesChanged(null /* check all admins */, userHandle); 566 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 567 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 568 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 569 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 570 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 571 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 572 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 573 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 574 clearWipeProfileNotification(); 575 } 576 } 577 578 private void sendUserAddedOrRemovedCommand(String action, int userHandle) { 579 synchronized (DevicePolicyManagerService.this) { 580 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 581 if (deviceOwner != null) { 582 Bundle extras = new Bundle(); 583 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 584 sendAdminCommandLocked(deviceOwner, action, extras, null); 585 } 586 } 587 } 588 }; 589 590 static class ActiveAdmin { 591 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 592 private static final String TAG_TEST_ONLY_ADMIN = "test-only-admin"; 593 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 594 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 595 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 596 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 597 = "disable-bt-contacts-sharing"; 598 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 599 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 600 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 601 private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; 602 private static final String TAG_IS_NETWORK_LOGGING_ENABLED = "is_network_logging_enabled"; 603 private static final String TAG_ACCOUNT_TYPE = "account-type"; 604 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 605 = "permitted-accessiblity-services"; 606 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 607 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 608 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 609 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 610 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 611 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 612 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 613 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 614 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 615 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 616 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 617 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 618 private static final String TAG_STRONG_AUTH_UNLOCK_TIMEOUT = "strong-auth-unlock-timeout"; 619 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 620 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 621 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 622 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 623 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 624 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 625 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 626 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 627 private static final String ATTR_VALUE = "value"; 628 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 629 private static final String TAG_POLICIES = "policies"; 630 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 631 "cross-profile-widget-providers"; 632 private static final String TAG_PROVIDER = "provider"; 633 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 634 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 635 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 636 private static final String TAG_DEFAULT_ENABLED_USER_RESTRICTIONS = 637 "default-enabled-user-restrictions"; 638 private static final String TAG_RESTRICTION = "restriction"; 639 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 640 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 641 private static final String TAG_PARENT_ADMIN = "parent-admin"; 642 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 643 private static final String TAG_ORGANIZATION_NAME = "organization-name"; 644 private static final String ATTR_LAST_NETWORK_LOGGING_NOTIFICATION = "last-notification"; 645 private static final String ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS = "num-notifications"; 646 647 final DeviceAdminInfo info; 648 649 650 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 651 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 652 653 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 654 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 655 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 656 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 657 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 658 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 659 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 660 @NonNull 661 PasswordMetrics minimumPasswordMetrics = new PasswordMetrics( 662 DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, DEF_MINIMUM_PASSWORD_LENGTH, 663 DEF_MINIMUM_PASSWORD_LETTERS, DEF_MINIMUM_PASSWORD_UPPER_CASE, 664 DEF_MINIMUM_PASSWORD_LOWER_CASE, DEF_MINIMUM_PASSWORD_NUMERIC, 665 DEF_MINIMUM_PASSWORD_SYMBOLS, DEF_MINIMUM_PASSWORD_NON_LETTER); 666 667 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 668 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 669 670 long strongAuthUnlockTimeout = 0; // admin doesn't participate by default 671 672 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 673 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 674 675 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 676 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 677 678 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 679 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 680 681 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 682 683 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 684 685 boolean encryptionRequested = false; 686 boolean testOnlyAdmin = false; 687 boolean disableCamera = false; 688 boolean disableCallerId = false; 689 boolean disableContactsSearch = false; 690 boolean disableBluetoothContactSharing = true; 691 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 692 boolean requireAutoTime = false; // Can only be set by a device owner. 693 boolean forceEphemeralUsers = false; // Can only be set by a device owner. 694 boolean isNetworkLoggingEnabled = false; // Can only be set by a device owner. 695 696 // one notification after enabling + 3 more after reboots 697 static final int DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN = 4; 698 int numNetworkLoggingNotifications = 0; 699 long lastNetworkLoggingNotificationTimeMs = 0; // Time in milliseconds since epoch 700 701 ActiveAdmin parentAdmin; 702 final boolean isParent; 703 704 static class TrustAgentInfo { 705 public PersistableBundle options; 706 TrustAgentInfo(PersistableBundle bundle) { 707 options = bundle; 708 } 709 } 710 711 final Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 712 713 // The list of permitted accessibility services package namesas set by a profile 714 // or device owner. Null means all accessibility services are allowed, empty means 715 // none except system services are allowed. 716 List<String> permittedAccessiblityServices; 717 718 // The list of permitted input methods package names as set by a profile or device owner. 719 // Null means all input methods are allowed, empty means none except system imes are 720 // allowed. 721 List<String> permittedInputMethods; 722 723 // List of package names to keep cached. 724 List<String> keepUninstalledPackages; 725 726 // TODO: review implementation decisions with frameworks team 727 boolean specifiesGlobalProxy = false; 728 String globalProxySpec = null; 729 String globalProxyExclusionList = null; 730 731 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 732 733 List<String> crossProfileWidgetProviders; 734 735 Bundle userRestrictions; 736 737 // User restrictions that have already been enabled by default for this admin (either when 738 // setting the device or profile owner, or during a system update if one of those "enabled 739 // by default" restrictions is newly added). 740 final Set<String> defaultEnabledRestrictionsAlreadySet = new ArraySet<>(); 741 742 // Support text provided by the admin to display to the user. 743 CharSequence shortSupportMessage = null; 744 CharSequence longSupportMessage = null; 745 746 // Background color of confirm credentials screen. Default: teal. 747 static final int DEF_ORGANIZATION_COLOR = Color.parseColor("#00796B"); 748 int organizationColor = DEF_ORGANIZATION_COLOR; 749 750 // Default title of confirm credentials screen 751 String organizationName = null; 752 753 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 754 info = _info; 755 isParent = parent; 756 } 757 758 ActiveAdmin getParentActiveAdmin() { 759 Preconditions.checkState(!isParent); 760 761 if (parentAdmin == null) { 762 parentAdmin = new ActiveAdmin(info, /* parent */ true); 763 } 764 return parentAdmin; 765 } 766 767 boolean hasParentActiveAdmin() { 768 return parentAdmin != null; 769 } 770 771 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 772 773 public UserHandle getUserHandle() { 774 return UserHandle.of(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 775 } 776 777 void writeToXml(XmlSerializer out) 778 throws IllegalArgumentException, IllegalStateException, IOException { 779 out.startTag(null, TAG_POLICIES); 780 info.writePoliciesToXml(out); 781 out.endTag(null, TAG_POLICIES); 782 if (minimumPasswordMetrics.quality 783 != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 784 out.startTag(null, TAG_PASSWORD_QUALITY); 785 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.quality)); 786 out.endTag(null, TAG_PASSWORD_QUALITY); 787 if (minimumPasswordMetrics.length != DEF_MINIMUM_PASSWORD_LENGTH) { 788 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 789 out.attribute( 790 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.length)); 791 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 792 } 793 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 794 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 795 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 796 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 797 } 798 if (minimumPasswordMetrics.upperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 799 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 800 out.attribute( 801 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.upperCase)); 802 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 803 } 804 if (minimumPasswordMetrics.lowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 805 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 806 out.attribute( 807 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.lowerCase)); 808 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 809 } 810 if (minimumPasswordMetrics.letters != DEF_MINIMUM_PASSWORD_LETTERS) { 811 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 812 out.attribute( 813 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.letters)); 814 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 815 } 816 if (minimumPasswordMetrics.numeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 817 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 818 out.attribute( 819 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.numeric)); 820 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 821 } 822 if (minimumPasswordMetrics.symbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 823 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 824 out.attribute( 825 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.symbols)); 826 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 827 } 828 if (minimumPasswordMetrics.nonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 829 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 830 out.attribute( 831 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.nonLetter)); 832 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 833 } 834 } 835 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 836 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 837 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 838 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 839 } 840 if (strongAuthUnlockTimeout != DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 841 out.startTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 842 out.attribute(null, ATTR_VALUE, Long.toString(strongAuthUnlockTimeout)); 843 out.endTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 844 } 845 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 846 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 847 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 848 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 849 } 850 if (specifiesGlobalProxy) { 851 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 852 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 853 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 854 if (globalProxySpec != null) { 855 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 856 out.attribute(null, ATTR_VALUE, globalProxySpec); 857 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 858 } 859 if (globalProxyExclusionList != null) { 860 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 861 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 862 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 863 } 864 } 865 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 866 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 867 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 868 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 869 } 870 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 871 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 872 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 873 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 874 } 875 if (encryptionRequested) { 876 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 877 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 878 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 879 } 880 if (testOnlyAdmin) { 881 out.startTag(null, TAG_TEST_ONLY_ADMIN); 882 out.attribute(null, ATTR_VALUE, Boolean.toString(testOnlyAdmin)); 883 out.endTag(null, TAG_TEST_ONLY_ADMIN); 884 } 885 if (disableCamera) { 886 out.startTag(null, TAG_DISABLE_CAMERA); 887 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 888 out.endTag(null, TAG_DISABLE_CAMERA); 889 } 890 if (disableCallerId) { 891 out.startTag(null, TAG_DISABLE_CALLER_ID); 892 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 893 out.endTag(null, TAG_DISABLE_CALLER_ID); 894 } 895 if (disableContactsSearch) { 896 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 897 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 898 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 899 } 900 if (!disableBluetoothContactSharing) { 901 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 902 out.attribute(null, ATTR_VALUE, 903 Boolean.toString(disableBluetoothContactSharing)); 904 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 905 } 906 if (disableScreenCapture) { 907 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 908 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 909 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 910 } 911 if (requireAutoTime) { 912 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 913 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 914 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 915 } 916 if (forceEphemeralUsers) { 917 out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); 918 out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); 919 out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); 920 } 921 if (isNetworkLoggingEnabled) { 922 out.startTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 923 out.attribute(null, ATTR_VALUE, Boolean.toString(isNetworkLoggingEnabled)); 924 out.attribute(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS, 925 Integer.toString(numNetworkLoggingNotifications)); 926 out.attribute(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION, 927 Long.toString(lastNetworkLoggingNotificationTimeMs)); 928 out.endTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 929 } 930 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 931 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 932 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 933 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 934 } 935 if (!accountTypesWithManagementDisabled.isEmpty()) { 936 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 937 writeAttributeValuesToXml( 938 out, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 939 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 940 } 941 if (!trustAgentInfos.isEmpty()) { 942 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 943 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 944 for (Entry<String, TrustAgentInfo> entry : set) { 945 TrustAgentInfo trustAgentInfo = entry.getValue(); 946 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 947 out.attribute(null, ATTR_VALUE, entry.getKey()); 948 if (trustAgentInfo.options != null) { 949 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 950 try { 951 trustAgentInfo.options.saveToXml(out); 952 } catch (XmlPullParserException e) { 953 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 954 } 955 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 956 } 957 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 958 } 959 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 960 } 961 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 962 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 963 writeAttributeValuesToXml(out, TAG_PROVIDER, crossProfileWidgetProviders); 964 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 965 } 966 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 967 permittedAccessiblityServices); 968 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 969 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 970 if (hasUserRestrictions()) { 971 UserRestrictionsUtils.writeRestrictions( 972 out, userRestrictions, TAG_USER_RESTRICTIONS); 973 } 974 if (!defaultEnabledRestrictionsAlreadySet.isEmpty()) { 975 out.startTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 976 writeAttributeValuesToXml( 977 out, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 978 out.endTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 979 } 980 if (!TextUtils.isEmpty(shortSupportMessage)) { 981 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 982 out.text(shortSupportMessage.toString()); 983 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 984 } 985 if (!TextUtils.isEmpty(longSupportMessage)) { 986 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 987 out.text(longSupportMessage.toString()); 988 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 989 } 990 if (parentAdmin != null) { 991 out.startTag(null, TAG_PARENT_ADMIN); 992 parentAdmin.writeToXml(out); 993 out.endTag(null, TAG_PARENT_ADMIN); 994 } 995 if (organizationColor != DEF_ORGANIZATION_COLOR) { 996 out.startTag(null, TAG_ORGANIZATION_COLOR); 997 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 998 out.endTag(null, TAG_ORGANIZATION_COLOR); 999 } 1000 if (organizationName != null) { 1001 out.startTag(null, TAG_ORGANIZATION_NAME); 1002 out.text(organizationName); 1003 out.endTag(null, TAG_ORGANIZATION_NAME); 1004 } 1005 } 1006 1007 void writePackageListToXml(XmlSerializer out, String outerTag, 1008 List<String> packageList) 1009 throws IllegalArgumentException, IllegalStateException, IOException { 1010 if (packageList == null) { 1011 return; 1012 } 1013 1014 out.startTag(null, outerTag); 1015 writeAttributeValuesToXml(out, TAG_PACKAGE_LIST_ITEM, packageList); 1016 out.endTag(null, outerTag); 1017 } 1018 1019 void writeAttributeValuesToXml(XmlSerializer out, String tag, 1020 @NonNull Collection<String> values) throws IOException { 1021 for (String value : values) { 1022 out.startTag(null, tag); 1023 out.attribute(null, ATTR_VALUE, value); 1024 out.endTag(null, tag); 1025 } 1026 } 1027 1028 void readFromXml(XmlPullParser parser) 1029 throws XmlPullParserException, IOException { 1030 int outerDepth = parser.getDepth(); 1031 int type; 1032 while ((type=parser.next()) != END_DOCUMENT 1033 && (type != END_TAG || parser.getDepth() > outerDepth)) { 1034 if (type == END_TAG || type == TEXT) { 1035 continue; 1036 } 1037 String tag = parser.getName(); 1038 if (TAG_POLICIES.equals(tag)) { 1039 info.readPoliciesFromXml(parser); 1040 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 1041 minimumPasswordMetrics.quality = Integer.parseInt( 1042 parser.getAttributeValue(null, ATTR_VALUE)); 1043 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 1044 minimumPasswordMetrics.length = Integer.parseInt( 1045 parser.getAttributeValue(null, ATTR_VALUE)); 1046 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 1047 passwordHistoryLength = Integer.parseInt( 1048 parser.getAttributeValue(null, ATTR_VALUE)); 1049 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 1050 minimumPasswordMetrics.upperCase = Integer.parseInt( 1051 parser.getAttributeValue(null, ATTR_VALUE)); 1052 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 1053 minimumPasswordMetrics.lowerCase = Integer.parseInt( 1054 parser.getAttributeValue(null, ATTR_VALUE)); 1055 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 1056 minimumPasswordMetrics.letters = Integer.parseInt( 1057 parser.getAttributeValue(null, ATTR_VALUE)); 1058 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 1059 minimumPasswordMetrics.numeric = Integer.parseInt( 1060 parser.getAttributeValue(null, ATTR_VALUE)); 1061 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 1062 minimumPasswordMetrics.symbols = Integer.parseInt( 1063 parser.getAttributeValue(null, ATTR_VALUE)); 1064 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 1065 minimumPasswordMetrics.nonLetter = Integer.parseInt( 1066 parser.getAttributeValue(null, ATTR_VALUE)); 1067 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 1068 maximumTimeToUnlock = Long.parseLong( 1069 parser.getAttributeValue(null, ATTR_VALUE)); 1070 } else if (TAG_STRONG_AUTH_UNLOCK_TIMEOUT.equals(tag)) { 1071 strongAuthUnlockTimeout = Long.parseLong( 1072 parser.getAttributeValue(null, ATTR_VALUE)); 1073 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 1074 maximumFailedPasswordsForWipe = Integer.parseInt( 1075 parser.getAttributeValue(null, ATTR_VALUE)); 1076 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 1077 specifiesGlobalProxy = Boolean.parseBoolean( 1078 parser.getAttributeValue(null, ATTR_VALUE)); 1079 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 1080 globalProxySpec = 1081 parser.getAttributeValue(null, ATTR_VALUE); 1082 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 1083 globalProxyExclusionList = 1084 parser.getAttributeValue(null, ATTR_VALUE); 1085 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 1086 passwordExpirationTimeout = Long.parseLong( 1087 parser.getAttributeValue(null, ATTR_VALUE)); 1088 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 1089 passwordExpirationDate = Long.parseLong( 1090 parser.getAttributeValue(null, ATTR_VALUE)); 1091 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 1092 encryptionRequested = Boolean.parseBoolean( 1093 parser.getAttributeValue(null, ATTR_VALUE)); 1094 } else if (TAG_TEST_ONLY_ADMIN.equals(tag)) { 1095 testOnlyAdmin = Boolean.parseBoolean( 1096 parser.getAttributeValue(null, ATTR_VALUE)); 1097 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 1098 disableCamera = Boolean.parseBoolean( 1099 parser.getAttributeValue(null, ATTR_VALUE)); 1100 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 1101 disableCallerId = Boolean.parseBoolean( 1102 parser.getAttributeValue(null, ATTR_VALUE)); 1103 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 1104 disableContactsSearch = Boolean.parseBoolean( 1105 parser.getAttributeValue(null, ATTR_VALUE)); 1106 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 1107 disableBluetoothContactSharing = Boolean.parseBoolean(parser 1108 .getAttributeValue(null, ATTR_VALUE)); 1109 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 1110 disableScreenCapture = Boolean.parseBoolean( 1111 parser.getAttributeValue(null, ATTR_VALUE)); 1112 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 1113 requireAutoTime = Boolean.parseBoolean( 1114 parser.getAttributeValue(null, ATTR_VALUE)); 1115 } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) { 1116 forceEphemeralUsers = Boolean.parseBoolean( 1117 parser.getAttributeValue(null, ATTR_VALUE)); 1118 } else if (TAG_IS_NETWORK_LOGGING_ENABLED.equals(tag)) { 1119 isNetworkLoggingEnabled = Boolean.parseBoolean( 1120 parser.getAttributeValue(null, ATTR_VALUE)); 1121 lastNetworkLoggingNotificationTimeMs = Long.parseLong( 1122 parser.getAttributeValue(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION)); 1123 numNetworkLoggingNotifications = Integer.parseInt( 1124 parser.getAttributeValue(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS)); 1125 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 1126 disabledKeyguardFeatures = Integer.parseInt( 1127 parser.getAttributeValue(null, ATTR_VALUE)); 1128 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 1129 readAttributeValues( 1130 parser, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 1131 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 1132 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 1133 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 1134 crossProfileWidgetProviders = new ArrayList<>(); 1135 readAttributeValues(parser, TAG_PROVIDER, crossProfileWidgetProviders); 1136 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 1137 permittedAccessiblityServices = readPackageList(parser, tag); 1138 } else if (TAG_PERMITTED_IMES.equals(tag)) { 1139 permittedInputMethods = readPackageList(parser, tag); 1140 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 1141 keepUninstalledPackages = readPackageList(parser, tag); 1142 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 1143 UserRestrictionsUtils.readRestrictions(parser, ensureUserRestrictions()); 1144 } else if (TAG_DEFAULT_ENABLED_USER_RESTRICTIONS.equals(tag)) { 1145 readAttributeValues( 1146 parser, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 1147 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 1148 type = parser.next(); 1149 if (type == XmlPullParser.TEXT) { 1150 shortSupportMessage = parser.getText(); 1151 } else { 1152 Log.w(LOG_TAG, "Missing text when loading short support message"); 1153 } 1154 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 1155 type = parser.next(); 1156 if (type == XmlPullParser.TEXT) { 1157 longSupportMessage = parser.getText(); 1158 } else { 1159 Log.w(LOG_TAG, "Missing text when loading long support message"); 1160 } 1161 } else if (TAG_PARENT_ADMIN.equals(tag)) { 1162 Preconditions.checkState(!isParent); 1163 1164 parentAdmin = new ActiveAdmin(info, /* parent */ true); 1165 parentAdmin.readFromXml(parser); 1166 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 1167 organizationColor = Integer.parseInt( 1168 parser.getAttributeValue(null, ATTR_VALUE)); 1169 } else if (TAG_ORGANIZATION_NAME.equals(tag)) { 1170 type = parser.next(); 1171 if (type == XmlPullParser.TEXT) { 1172 organizationName = parser.getText(); 1173 } else { 1174 Log.w(LOG_TAG, "Missing text when loading organization name"); 1175 } 1176 } else { 1177 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 1178 XmlUtils.skipCurrentTag(parser); 1179 } 1180 } 1181 } 1182 1183 private List<String> readPackageList(XmlPullParser parser, 1184 String tag) throws XmlPullParserException, IOException { 1185 List<String> result = new ArrayList<String>(); 1186 int outerDepth = parser.getDepth(); 1187 int outerType; 1188 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 1189 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1190 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 1191 continue; 1192 } 1193 String outerTag = parser.getName(); 1194 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 1195 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 1196 if (packageName != null) { 1197 result.add(packageName); 1198 } else { 1199 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 1200 } 1201 } else { 1202 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 1203 } 1204 } 1205 return result; 1206 } 1207 1208 private void readAttributeValues( 1209 XmlPullParser parser, String tag, Collection<String> result) 1210 throws XmlPullParserException, IOException { 1211 result.clear(); 1212 int outerDepthDAM = parser.getDepth(); 1213 int typeDAM; 1214 while ((typeDAM=parser.next()) != END_DOCUMENT 1215 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1216 if (typeDAM == END_TAG || typeDAM == TEXT) { 1217 continue; 1218 } 1219 String tagDAM = parser.getName(); 1220 if (tag.equals(tagDAM)) { 1221 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1222 } else { 1223 Slog.e(LOG_TAG, "Expected tag " + tag + " but found " + tagDAM); 1224 } 1225 } 1226 } 1227 1228 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1229 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1230 int outerDepthDAM = parser.getDepth(); 1231 int typeDAM; 1232 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1233 while ((typeDAM=parser.next()) != END_DOCUMENT 1234 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1235 if (typeDAM == END_TAG || typeDAM == TEXT) { 1236 continue; 1237 } 1238 String tagDAM = parser.getName(); 1239 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1240 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1241 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1242 result.put(component, trustAgentInfo); 1243 } else { 1244 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1245 } 1246 } 1247 return result; 1248 } 1249 1250 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1251 throws XmlPullParserException, IOException { 1252 int outerDepthDAM = parser.getDepth(); 1253 int typeDAM; 1254 TrustAgentInfo result = new TrustAgentInfo(null); 1255 while ((typeDAM=parser.next()) != END_DOCUMENT 1256 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1257 if (typeDAM == END_TAG || typeDAM == TEXT) { 1258 continue; 1259 } 1260 String tagDAM = parser.getName(); 1261 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1262 result.options = PersistableBundle.restoreFromXml(parser); 1263 } else { 1264 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1265 } 1266 } 1267 return result; 1268 } 1269 1270 boolean hasUserRestrictions() { 1271 return userRestrictions != null && userRestrictions.size() > 0; 1272 } 1273 1274 Bundle ensureUserRestrictions() { 1275 if (userRestrictions == null) { 1276 userRestrictions = new Bundle(); 1277 } 1278 return userRestrictions; 1279 } 1280 1281 void dump(String prefix, PrintWriter pw) { 1282 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1283 pw.print(prefix); pw.print("testOnlyAdmin="); 1284 pw.println(testOnlyAdmin); 1285 pw.print(prefix); pw.println("policies:"); 1286 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1287 if (pols != null) { 1288 for (int i=0; i<pols.size(); i++) { 1289 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1290 } 1291 } 1292 pw.print(prefix); pw.print("passwordQuality=0x"); 1293 pw.println(Integer.toHexString(minimumPasswordMetrics.quality)); 1294 pw.print(prefix); pw.print("minimumPasswordLength="); 1295 pw.println(minimumPasswordMetrics.length); 1296 pw.print(prefix); pw.print("passwordHistoryLength="); 1297 pw.println(passwordHistoryLength); 1298 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1299 pw.println(minimumPasswordMetrics.upperCase); 1300 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1301 pw.println(minimumPasswordMetrics.lowerCase); 1302 pw.print(prefix); pw.print("minimumPasswordLetters="); 1303 pw.println(minimumPasswordMetrics.letters); 1304 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1305 pw.println(minimumPasswordMetrics.numeric); 1306 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1307 pw.println(minimumPasswordMetrics.symbols); 1308 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1309 pw.println(minimumPasswordMetrics.nonLetter); 1310 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1311 pw.println(maximumTimeToUnlock); 1312 pw.print(prefix); pw.print("strongAuthUnlockTimeout="); 1313 pw.println(strongAuthUnlockTimeout); 1314 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1315 pw.println(maximumFailedPasswordsForWipe); 1316 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1317 pw.println(specifiesGlobalProxy); 1318 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1319 pw.println(passwordExpirationTimeout); 1320 pw.print(prefix); pw.print("passwordExpirationDate="); 1321 pw.println(passwordExpirationDate); 1322 if (globalProxySpec != null) { 1323 pw.print(prefix); pw.print("globalProxySpec="); 1324 pw.println(globalProxySpec); 1325 } 1326 if (globalProxyExclusionList != null) { 1327 pw.print(prefix); pw.print("globalProxyEclusionList="); 1328 pw.println(globalProxyExclusionList); 1329 } 1330 pw.print(prefix); pw.print("encryptionRequested="); 1331 pw.println(encryptionRequested); 1332 pw.print(prefix); pw.print("disableCamera="); 1333 pw.println(disableCamera); 1334 pw.print(prefix); pw.print("disableCallerId="); 1335 pw.println(disableCallerId); 1336 pw.print(prefix); pw.print("disableContactsSearch="); 1337 pw.println(disableContactsSearch); 1338 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1339 pw.println(disableBluetoothContactSharing); 1340 pw.print(prefix); pw.print("disableScreenCapture="); 1341 pw.println(disableScreenCapture); 1342 pw.print(prefix); pw.print("requireAutoTime="); 1343 pw.println(requireAutoTime); 1344 pw.print(prefix); pw.print("forceEphemeralUsers="); 1345 pw.println(forceEphemeralUsers); 1346 pw.print(prefix); pw.print("isNetworkLoggingEnabled="); 1347 pw.println(isNetworkLoggingEnabled); 1348 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1349 pw.println(disabledKeyguardFeatures); 1350 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1351 pw.println(crossProfileWidgetProviders); 1352 if (permittedAccessiblityServices != null) { 1353 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1354 pw.println(permittedAccessiblityServices); 1355 } 1356 if (permittedInputMethods != null) { 1357 pw.print(prefix); pw.print("permittedInputMethods="); 1358 pw.println(permittedInputMethods); 1359 } 1360 if (keepUninstalledPackages != null) { 1361 pw.print(prefix); pw.print("keepUninstalledPackages="); 1362 pw.println(keepUninstalledPackages); 1363 } 1364 pw.print(prefix); pw.print("organizationColor="); 1365 pw.println(organizationColor); 1366 if (organizationName != null) { 1367 pw.print(prefix); pw.print("organizationName="); 1368 pw.println(organizationName); 1369 } 1370 pw.print(prefix); pw.println("userRestrictions:"); 1371 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1372 pw.print(prefix); pw.print("defaultEnabledRestrictionsAlreadySet="); 1373 pw.println(defaultEnabledRestrictionsAlreadySet); 1374 pw.print(prefix); pw.print("isParent="); 1375 pw.println(isParent); 1376 if (parentAdmin != null) { 1377 pw.print(prefix); pw.println("parentAdmin:"); 1378 parentAdmin.dump(prefix + " ", pw); 1379 } 1380 } 1381 } 1382 1383 private void handlePackagesChanged(String packageName, int userHandle) { 1384 boolean removed = false; 1385 if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 1386 DevicePolicyData policy = getUserData(userHandle); 1387 synchronized (this) { 1388 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1389 ActiveAdmin aa = policy.mAdminList.get(i); 1390 try { 1391 // If we're checking all packages or if the specific one we're checking matches, 1392 // then check if the package and receiver still exist. 1393 final String adminPackage = aa.info.getPackageName(); 1394 if (packageName == null || packageName.equals(adminPackage)) { 1395 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1396 || mIPackageManager.getReceiverInfo(aa.info.getComponent(), 1397 PackageManager.MATCH_DIRECT_BOOT_AWARE 1398 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 1399 userHandle) == null) { 1400 removed = true; 1401 policy.mAdminList.remove(i); 1402 policy.mAdminMap.remove(aa.info.getComponent()); 1403 } 1404 } 1405 } catch (RemoteException re) { 1406 // Shouldn't happen 1407 } 1408 } 1409 if (removed) { 1410 validatePasswordOwnerLocked(policy); 1411 saveSettingsLocked(policy.mUserHandle); 1412 } 1413 1414 // Check if delegated cert installer or app restrictions managing packages are removed. 1415 if (isRemovedPackage(packageName, policy.mDelegatedCertInstallerPackage, userHandle)) { 1416 policy.mDelegatedCertInstallerPackage = null; 1417 saveSettingsLocked(policy.mUserHandle); 1418 } 1419 if (isRemovedPackage( 1420 packageName, policy.mApplicationRestrictionsManagingPackage, userHandle)) { 1421 policy.mApplicationRestrictionsManagingPackage = null; 1422 saveSettingsLocked(policy.mUserHandle); 1423 } 1424 } 1425 if (removed) { 1426 // The removed admin might have disabled camera, so update user restrictions. 1427 pushUserRestrictions(userHandle); 1428 } 1429 } 1430 1431 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1432 try { 1433 return targetPackage != null 1434 && (changedPackage == null || changedPackage.equals(targetPackage)) 1435 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1436 } catch (RemoteException e) { 1437 // Shouldn't happen 1438 } 1439 1440 return false; 1441 } 1442 1443 /** 1444 * Unit test will subclass it to inject mocks. 1445 */ 1446 @VisibleForTesting 1447 static class Injector { 1448 1449 private final Context mContext; 1450 1451 Injector(Context context) { 1452 mContext = context; 1453 } 1454 1455 Owners newOwners() { 1456 return new Owners(getUserManager(), getUserManagerInternal(), 1457 getPackageManagerInternal()); 1458 } 1459 1460 UserManager getUserManager() { 1461 return UserManager.get(mContext); 1462 } 1463 1464 UserManagerInternal getUserManagerInternal() { 1465 return LocalServices.getService(UserManagerInternal.class); 1466 } 1467 1468 PackageManagerInternal getPackageManagerInternal() { 1469 return LocalServices.getService(PackageManagerInternal.class); 1470 } 1471 1472 NotificationManager getNotificationManager() { 1473 return mContext.getSystemService(NotificationManager.class); 1474 } 1475 1476 IIpConnectivityMetrics getIIpConnectivityMetrics() { 1477 return (IIpConnectivityMetrics) IIpConnectivityMetrics.Stub.asInterface( 1478 ServiceManager.getService(IpConnectivityLog.SERVICE_NAME)); 1479 } 1480 1481 PackageManager getPackageManager() { 1482 return mContext.getPackageManager(); 1483 } 1484 1485 PowerManagerInternal getPowerManagerInternal() { 1486 return LocalServices.getService(PowerManagerInternal.class); 1487 } 1488 1489 TelephonyManager getTelephonyManager() { 1490 return TelephonyManager.from(mContext); 1491 } 1492 1493 IWindowManager getIWindowManager() { 1494 return IWindowManager.Stub 1495 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1496 } 1497 1498 IActivityManager getIActivityManager() { 1499 return ActivityManager.getService(); 1500 } 1501 1502 IPackageManager getIPackageManager() { 1503 return AppGlobals.getPackageManager(); 1504 } 1505 1506 IBackupManager getIBackupManager() { 1507 return IBackupManager.Stub.asInterface( 1508 ServiceManager.getService(Context.BACKUP_SERVICE)); 1509 } 1510 1511 IAudioService getIAudioService() { 1512 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1513 } 1514 1515 boolean isBuildDebuggable() { 1516 return Build.IS_DEBUGGABLE; 1517 } 1518 1519 LockPatternUtils newLockPatternUtils() { 1520 return new LockPatternUtils(mContext); 1521 } 1522 1523 boolean storageManagerIsFileBasedEncryptionEnabled() { 1524 return StorageManager.isFileEncryptedNativeOnly(); 1525 } 1526 1527 boolean storageManagerIsNonDefaultBlockEncrypted() { 1528 long identity = Binder.clearCallingIdentity(); 1529 try { 1530 return StorageManager.isNonDefaultBlockEncrypted(); 1531 } finally { 1532 Binder.restoreCallingIdentity(identity); 1533 } 1534 } 1535 1536 boolean storageManagerIsEncrypted() { 1537 return StorageManager.isEncrypted(); 1538 } 1539 1540 boolean storageManagerIsEncryptable() { 1541 return StorageManager.isEncryptable(); 1542 } 1543 1544 Looper getMyLooper() { 1545 return Looper.myLooper(); 1546 } 1547 1548 WifiManager getWifiManager() { 1549 return mContext.getSystemService(WifiManager.class); 1550 } 1551 1552 long binderClearCallingIdentity() { 1553 return Binder.clearCallingIdentity(); 1554 } 1555 1556 void binderRestoreCallingIdentity(long token) { 1557 Binder.restoreCallingIdentity(token); 1558 } 1559 1560 int binderGetCallingUid() { 1561 return Binder.getCallingUid(); 1562 } 1563 1564 int binderGetCallingPid() { 1565 return Binder.getCallingPid(); 1566 } 1567 1568 UserHandle binderGetCallingUserHandle() { 1569 return Binder.getCallingUserHandle(); 1570 } 1571 1572 boolean binderIsCallingUidMyUid() { 1573 return getCallingUid() == Process.myUid(); 1574 } 1575 1576 final int userHandleGetCallingUserId() { 1577 return UserHandle.getUserId(binderGetCallingUid()); 1578 } 1579 1580 File environmentGetUserSystemDirectory(int userId) { 1581 return Environment.getUserSystemDirectory(userId); 1582 } 1583 1584 void powerManagerGoToSleep(long time, int reason, int flags) { 1585 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1586 } 1587 1588 void powerManagerReboot(String reason) { 1589 mContext.getSystemService(PowerManager.class).reboot(reason); 1590 } 1591 1592 boolean systemPropertiesGetBoolean(String key, boolean def) { 1593 return SystemProperties.getBoolean(key, def); 1594 } 1595 1596 long systemPropertiesGetLong(String key, long def) { 1597 return SystemProperties.getLong(key, def); 1598 } 1599 1600 String systemPropertiesGet(String key, String def) { 1601 return SystemProperties.get(key, def); 1602 } 1603 1604 String systemPropertiesGet(String key) { 1605 return SystemProperties.get(key); 1606 } 1607 1608 void systemPropertiesSet(String key, String value) { 1609 SystemProperties.set(key, value); 1610 } 1611 1612 boolean userManagerIsSplitSystemUser() { 1613 return UserManager.isSplitSystemUser(); 1614 } 1615 1616 String getDevicePolicyFilePathForSystemUser() { 1617 return "/data/system/"; 1618 } 1619 1620 void registerContentObserver(Uri uri, boolean notifyForDescendents, 1621 ContentObserver observer, int userHandle) { 1622 mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, 1623 observer, userHandle); 1624 } 1625 1626 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1627 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1628 name, def, userHandle); 1629 } 1630 1631 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1632 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1633 name, value, userHandle); 1634 } 1635 1636 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1637 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1638 name, value, userHandle); 1639 } 1640 1641 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1642 Settings.Global.putStringForUser(mContext.getContentResolver(), 1643 name, value, userHandle); 1644 } 1645 1646 void settingsSecurePutInt(String name, int value) { 1647 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1648 } 1649 1650 int settingsGlobalGetInt(String name, int def) { 1651 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1652 } 1653 1654 void settingsGlobalPutInt(String name, int value) { 1655 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1656 } 1657 1658 void settingsSecurePutString(String name, String value) { 1659 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1660 } 1661 1662 void settingsGlobalPutString(String name, String value) { 1663 Settings.Global.putString(mContext.getContentResolver(), name, value); 1664 } 1665 1666 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1667 SecurityLog.setLoggingEnabledProperty(enabled); 1668 } 1669 1670 boolean securityLogGetLoggingEnabledProperty() { 1671 return SecurityLog.getLoggingEnabledProperty(); 1672 } 1673 1674 boolean securityLogIsLoggingEnabled() { 1675 return SecurityLog.isLoggingEnabled(); 1676 } 1677 } 1678 1679 /** 1680 * Instantiates the service. 1681 */ 1682 public DevicePolicyManagerService(Context context) { 1683 this(new Injector(context)); 1684 } 1685 1686 @VisibleForTesting 1687 DevicePolicyManagerService(Injector injector) { 1688 mInjector = injector; 1689 mContext = Preconditions.checkNotNull(injector.mContext); 1690 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1691 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1692 1693 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1694 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1695 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1696 mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); 1697 1698 mLocalService = new LocalService(); 1699 mLockPatternUtils = injector.newLockPatternUtils(); 1700 1701 mSecurityLogMonitor = new SecurityLogMonitor(this); 1702 1703 mHasFeature = mInjector.getPackageManager() 1704 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1705 mIsWatch = mInjector.getPackageManager() 1706 .hasSystemFeature(PackageManager.FEATURE_WATCH); 1707 if (!mHasFeature) { 1708 // Skip the rest of the initialization 1709 return; 1710 } 1711 IntentFilter filter = new IntentFilter(); 1712 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1713 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1714 filter.addAction(Intent.ACTION_USER_ADDED); 1715 filter.addAction(Intent.ACTION_USER_REMOVED); 1716 filter.addAction(Intent.ACTION_USER_STARTED); 1717 filter.addAction(Intent.ACTION_USER_UNLOCKED); 1718 filter.addAction(KeyChain.ACTION_TRUST_STORE_CHANGED); 1719 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1720 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1721 filter = new IntentFilter(); 1722 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1723 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1724 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1725 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1726 filter.addDataScheme("package"); 1727 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1728 filter = new IntentFilter(); 1729 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1730 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1731 1732 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1733 } 1734 1735 /** 1736 * Creates and loads the policy data from xml. 1737 * @param userHandle the user for whom to load the policy data 1738 * @return 1739 */ 1740 @NonNull 1741 DevicePolicyData getUserData(int userHandle) { 1742 synchronized (this) { 1743 DevicePolicyData policy = mUserData.get(userHandle); 1744 if (policy == null) { 1745 policy = new DevicePolicyData(userHandle); 1746 mUserData.append(userHandle, policy); 1747 loadSettingsLocked(policy, userHandle); 1748 } 1749 return policy; 1750 } 1751 } 1752 1753 /** 1754 * Creates and loads the policy data from xml for data that is shared between 1755 * various profiles of a user. In contrast to {@link #getUserData(int)} 1756 * it allows access to data of users other than the calling user. 1757 * 1758 * This function should only be used for shared data, e.g. everything regarding 1759 * passwords and should be removed once multiple screen locks are present. 1760 * @param userHandle the user for whom to load the policy data 1761 * @return 1762 */ 1763 DevicePolicyData getUserDataUnchecked(int userHandle) { 1764 long ident = mInjector.binderClearCallingIdentity(); 1765 try { 1766 return getUserData(userHandle); 1767 } finally { 1768 mInjector.binderRestoreCallingIdentity(ident); 1769 } 1770 } 1771 1772 void removeUserData(int userHandle) { 1773 synchronized (this) { 1774 if (userHandle == UserHandle.USER_SYSTEM) { 1775 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1776 return; 1777 } 1778 mOwners.removeProfileOwner(userHandle); 1779 mOwners.writeProfileOwner(userHandle); 1780 1781 DevicePolicyData policy = mUserData.get(userHandle); 1782 if (policy != null) { 1783 mUserData.remove(userHandle); 1784 } 1785 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1786 DEVICE_POLICIES_XML); 1787 policyFile.delete(); 1788 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1789 } 1790 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1791 } 1792 1793 void loadOwners() { 1794 synchronized (this) { 1795 mOwners.load(); 1796 setDeviceOwnerSystemPropertyLocked(); 1797 findOwnerComponentIfNecessaryLocked(); 1798 migrateUserRestrictionsIfNecessaryLocked(); 1799 setDefaultEnabledUserRestrictionsIfNecessaryLocked(); 1800 1801 // TODO PO may not have a class name either due to b/17652534. Address that too. 1802 1803 updateDeviceOwnerLocked(); 1804 } 1805 } 1806 1807 private void setDefaultEnabledUserRestrictionsIfNecessaryLocked() { 1808 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 1809 if (deviceOwner != null 1810 && !UserRestrictionsUtils.getDefaultEnabledForDeviceOwner().equals( 1811 deviceOwner.defaultEnabledRestrictionsAlreadySet)) { 1812 Slog.i(LOG_TAG,"New user restrictions need to be set by default for the device owner"); 1813 1814 if (VERBOSE_LOG) { 1815 Slog.d(LOG_TAG,"Default enabled restrictions for DO: " 1816 + UserRestrictionsUtils.getDefaultEnabledForDeviceOwner() 1817 + ". Restrictions already enabled: " 1818 + deviceOwner.defaultEnabledRestrictionsAlreadySet); 1819 } 1820 1821 Set<String> restrictionsToSet = new ArraySet<>( 1822 UserRestrictionsUtils.getDefaultEnabledForDeviceOwner()); 1823 restrictionsToSet.removeAll(deviceOwner.defaultEnabledRestrictionsAlreadySet); 1824 if (!restrictionsToSet.isEmpty()) { 1825 for (String restriction : restrictionsToSet) { 1826 deviceOwner.ensureUserRestrictions().putBoolean(restriction, true); 1827 } 1828 deviceOwner.defaultEnabledRestrictionsAlreadySet.addAll(restrictionsToSet); 1829 Slog.i(LOG_TAG, 1830 "Enabled the following restrictions by default: " + restrictionsToSet); 1831 1832 saveUserRestrictionsLocked(mOwners.getDeviceOwnerUserId()); 1833 } 1834 } 1835 } 1836 1837 private void setDeviceOwnerSystemPropertyLocked() { 1838 // Device owner may still be provisioned, do not set the read-only system property yet. 1839 if (mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) == 0) { 1840 return; 1841 } 1842 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 1843 // always false at this point. 1844 if (StorageManager.inCryptKeeperBounce()) { 1845 return; 1846 } 1847 1848 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 1849 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 1850 } else { 1851 if (mOwners.hasDeviceOwner()) { 1852 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 1853 Slog.i(LOG_TAG, "Set ro.device_owner property to true"); 1854 disableDeviceOwnerManagedSingleUserFeaturesIfNeeded(); 1855 if (mInjector.securityLogGetLoggingEnabledProperty()) { 1856 mSecurityLogMonitor.start(); 1857 } 1858 } else { 1859 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 1860 Slog.i(LOG_TAG, "Set ro.device_owner property to false"); 1861 } 1862 } 1863 } 1864 1865 private void findOwnerComponentIfNecessaryLocked() { 1866 if (!mOwners.hasDeviceOwner()) { 1867 return; 1868 } 1869 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1870 1871 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1872 return; // Already a full component name. 1873 } 1874 1875 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1876 doComponentName.getPackageName(), 1877 mOwners.getDeviceOwnerUserId()); 1878 if (doComponent == null) { 1879 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1880 } else { 1881 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1882 doComponent, 1883 mOwners.getDeviceOwnerName(), 1884 mOwners.getDeviceOwnerUserId(), 1885 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1886 mOwners.writeDeviceOwner(); 1887 if (VERBOSE_LOG) { 1888 Log.v(LOG_TAG, "Device owner component filled in"); 1889 } 1890 } 1891 } 1892 1893 /** 1894 * We didn't use to persist user restrictions for each owners but only persisted in user 1895 * manager. 1896 */ 1897 private void migrateUserRestrictionsIfNecessaryLocked() { 1898 boolean migrated = false; 1899 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 1900 // except for the "system controlled" ones. 1901 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 1902 if (VERBOSE_LOG) { 1903 Log.v(LOG_TAG, "Migrating DO user restrictions"); 1904 } 1905 migrated = true; 1906 1907 // Migrate user 0 restrictions to DO. 1908 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 1909 1910 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 1911 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 1912 1913 // Push DO user restrictions to user manager. 1914 pushUserRestrictions(UserHandle.USER_SYSTEM); 1915 1916 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 1917 } 1918 1919 // Migrate for POs. 1920 1921 // The following restrictions can be set on secondary users by the device owner, so we 1922 // assume they're not from the PO. 1923 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 1924 UserManager.DISALLOW_OUTGOING_CALLS, 1925 UserManager.DISALLOW_SMS); 1926 1927 for (UserInfo ui : mUserManager.getUsers()) { 1928 final int userId = ui.id; 1929 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 1930 if (VERBOSE_LOG) { 1931 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 1932 } 1933 migrated = true; 1934 1935 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 1936 1937 final Set<String> exceptionList = 1938 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 1939 1940 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 1941 exceptionList, /* isDeviceOwner =*/ false); 1942 1943 // Note if a secondary user has no PO but has a DA that disables camera, we 1944 // don't get here and won't push the camera user restriction to UserManager 1945 // here. That's okay because we'll push user restrictions anyway when a user 1946 // starts. But we still do it because we want to let user manager persist 1947 // upon migration. 1948 pushUserRestrictions(userId); 1949 1950 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 1951 } 1952 } 1953 if (VERBOSE_LOG && migrated) { 1954 Log.v(LOG_TAG, "User restrictions migrated."); 1955 } 1956 } 1957 1958 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 1959 Set<String> exceptionList, boolean isDeviceOwner) { 1960 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 1961 user.getIdentifier()); 1962 1963 final Bundle newBaseRestrictions = new Bundle(); 1964 final Bundle newOwnerRestrictions = new Bundle(); 1965 1966 for (String key : origRestrictions.keySet()) { 1967 if (!origRestrictions.getBoolean(key)) { 1968 continue; 1969 } 1970 final boolean canOwnerChange = isDeviceOwner 1971 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 1972 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 1973 1974 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 1975 newBaseRestrictions.putBoolean(key, true); 1976 } else { 1977 newOwnerRestrictions.putBoolean(key, true); 1978 } 1979 } 1980 1981 if (VERBOSE_LOG) { 1982 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 1983 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 1984 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 1985 } 1986 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 1987 newBaseRestrictions); 1988 1989 if (admin != null) { 1990 admin.ensureUserRestrictions().clear(); 1991 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 1992 } else { 1993 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 1994 } 1995 saveSettingsLocked(user.getIdentifier()); 1996 } 1997 1998 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 1999 final DevicePolicyData policy = getUserData(userId); 2000 final int n = policy.mAdminList.size(); 2001 ComponentName found = null; 2002 int nFound = 0; 2003 for (int i = 0; i < n; i++) { 2004 final ActiveAdmin admin = policy.mAdminList.get(i); 2005 if (packageName.equals(admin.info.getPackageName())) { 2006 // Found! 2007 if (nFound == 0) { 2008 found = admin.info.getComponent(); 2009 } 2010 nFound++; 2011 } 2012 } 2013 if (nFound > 1) { 2014 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 2015 } 2016 return found; 2017 } 2018 2019 /** 2020 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 2021 * reminders. Clears alarm if no expirations are configured. 2022 */ 2023 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 2024 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 2025 final long now = System.currentTimeMillis(); 2026 final long timeToExpire = expiration - now; 2027 final long alarmTime; 2028 if (expiration == 0) { 2029 // No expirations are currently configured: Cancel alarm. 2030 alarmTime = 0; 2031 } else if (timeToExpire <= 0) { 2032 // The password has already expired: Repeat every 24 hours. 2033 alarmTime = now + MS_PER_DAY; 2034 } else { 2035 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 2036 // the expiration time. 2037 long alarmInterval = timeToExpire % MS_PER_DAY; 2038 if (alarmInterval == 0) { 2039 alarmInterval = MS_PER_DAY; 2040 } 2041 alarmTime = now + alarmInterval; 2042 } 2043 2044 long token = mInjector.binderClearCallingIdentity(); 2045 try { 2046 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 2047 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 2048 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 2049 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 2050 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 2051 UserHandle.of(affectedUserHandle)); 2052 am.cancel(pi); 2053 if (alarmTime != 0) { 2054 am.set(AlarmManager.RTC, alarmTime, pi); 2055 } 2056 } finally { 2057 mInjector.binderRestoreCallingIdentity(token); 2058 } 2059 } 2060 2061 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 2062 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 2063 if (admin != null 2064 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 2065 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 2066 return admin; 2067 } 2068 return null; 2069 } 2070 2071 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 2072 if (parent) { 2073 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 2074 } 2075 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2076 if (admin != null && parent) { 2077 admin = admin.getParentActiveAdmin(); 2078 } 2079 return admin; 2080 } 2081 2082 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 2083 throws SecurityException { 2084 final int callingUid = mInjector.binderGetCallingUid(); 2085 2086 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 2087 if (result != null) { 2088 return result; 2089 } 2090 2091 if (who != null) { 2092 final int userId = UserHandle.getUserId(callingUid); 2093 final DevicePolicyData policy = getUserData(userId); 2094 ActiveAdmin admin = policy.mAdminMap.get(who); 2095 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2096 throw new SecurityException("Admin " + admin.info.getComponent() 2097 + " does not own the device"); 2098 } 2099 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2100 throw new SecurityException("Admin " + admin.info.getComponent() 2101 + " does not own the profile"); 2102 } 2103 throw new SecurityException("Admin " + admin.info.getComponent() 2104 + " did not specify uses-policy for: " 2105 + admin.info.getTagForPolicy(reqPolicy)); 2106 } else { 2107 throw new SecurityException("No active admin owned by uid " 2108 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 2109 } 2110 } 2111 2112 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 2113 throws SecurityException { 2114 if (parent) { 2115 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 2116 "call APIs on the parent profile"); 2117 } 2118 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 2119 return parent ? admin.getParentActiveAdmin() : admin; 2120 } 2121 /** 2122 * Find the admin for the component and userId bit of the uid, then check 2123 * the admin's uid matches the uid. 2124 */ 2125 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 2126 final int userId = UserHandle.getUserId(uid); 2127 final DevicePolicyData policy = getUserData(userId); 2128 ActiveAdmin admin = policy.mAdminMap.get(who); 2129 if (admin == null) { 2130 throw new SecurityException("No active admin " + who); 2131 } 2132 if (admin.getUid() != uid) { 2133 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2134 } 2135 return admin; 2136 } 2137 2138 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 2139 int uid) { 2140 // Try to find an admin which can use reqPolicy 2141 final int userId = UserHandle.getUserId(uid); 2142 final DevicePolicyData policy = getUserData(userId); 2143 if (who != null) { 2144 ActiveAdmin admin = policy.mAdminMap.get(who); 2145 if (admin == null) { 2146 throw new SecurityException("No active admin " + who); 2147 } 2148 if (admin.getUid() != uid) { 2149 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2150 } 2151 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 2152 return admin; 2153 } 2154 } else { 2155 for (ActiveAdmin admin : policy.mAdminList) { 2156 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 2157 userId)) { 2158 return admin; 2159 } 2160 } 2161 } 2162 2163 return null; 2164 } 2165 2166 @VisibleForTesting 2167 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 2168 int userId) { 2169 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 2170 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 2171 2172 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2173 return ownsDevice; 2174 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2175 // DO always has the PO power. 2176 return ownsDevice || ownsProfile; 2177 } else { 2178 return admin.info.usesPolicy(reqPolicy); 2179 } 2180 } 2181 2182 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 2183 sendAdminCommandLocked(admin, action, null); 2184 } 2185 2186 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 2187 sendAdminCommandLocked(admin, action, null, result); 2188 } 2189 2190 /** 2191 * Send an update to one specific admin, get notified when that admin returns a result. 2192 */ 2193 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 2194 BroadcastReceiver result) { 2195 Intent intent = new Intent(action); 2196 intent.setComponent(admin.info.getComponent()); 2197 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 2198 intent.putExtra("expiration", admin.passwordExpirationDate); 2199 } 2200 if (adminExtras != null) { 2201 intent.putExtras(adminExtras); 2202 } 2203 if (result != null) { 2204 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2205 null, result, mHandler, Activity.RESULT_OK, null, null); 2206 } else { 2207 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2208 } 2209 } 2210 2211 /** 2212 * Send an update to all admins of a user that enforce a specified policy. 2213 */ 2214 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 2215 final DevicePolicyData policy = getUserData(userHandle); 2216 final int count = policy.mAdminList.size(); 2217 if (count > 0) { 2218 for (int i = 0; i < count; i++) { 2219 final ActiveAdmin admin = policy.mAdminList.get(i); 2220 if (admin.info.usesPolicy(reqPolicy)) { 2221 sendAdminCommandLocked(admin, action); 2222 } 2223 } 2224 } 2225 } 2226 2227 /** 2228 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2229 * enforce a specified policy. 2230 */ 2231 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2232 int userHandle) { 2233 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 2234 for (int profileId : profileIds) { 2235 sendAdminCommandLocked(action, reqPolicy, profileId); 2236 } 2237 } 2238 2239 /** 2240 * Sends a broadcast to each profile that share the password unlock with the given user id. 2241 */ 2242 private void sendAdminCommandForLockscreenPoliciesLocked( 2243 String action, int reqPolicy, int userHandle) { 2244 if (isSeparateProfileChallengeEnabled(userHandle)) { 2245 sendAdminCommandLocked(action, reqPolicy, userHandle); 2246 } else { 2247 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle); 2248 } 2249 } 2250 2251 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2252 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2253 DevicePolicyData policy = getUserData(userHandle); 2254 if (admin != null && !policy.mRemovingAdmins.contains(adminReceiver)) { 2255 policy.mRemovingAdmins.add(adminReceiver); 2256 sendAdminCommandLocked(admin, 2257 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2258 new BroadcastReceiver() { 2259 @Override 2260 public void onReceive(Context context, Intent intent) { 2261 removeAdminArtifacts(adminReceiver, userHandle); 2262 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2263 } 2264 }); 2265 } 2266 } 2267 2268 2269 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2270 boolean throwForMissiongPermission) { 2271 if (!mHasFeature) { 2272 return null; 2273 } 2274 enforceFullCrossUsersPermission(userHandle); 2275 ActivityInfo ai = null; 2276 try { 2277 ai = mIPackageManager.getReceiverInfo(adminName, 2278 PackageManager.GET_META_DATA | 2279 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | 2280 PackageManager.MATCH_DIRECT_BOOT_AWARE | 2281 PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); 2282 } catch (RemoteException e) { 2283 // shouldn't happen. 2284 } 2285 if (ai == null) { 2286 throw new IllegalArgumentException("Unknown admin: " + adminName); 2287 } 2288 2289 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2290 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2291 + permission.BIND_DEVICE_ADMIN; 2292 Slog.w(LOG_TAG, message); 2293 if (throwForMissiongPermission && 2294 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2295 throw new IllegalArgumentException(message); 2296 } 2297 } 2298 2299 try { 2300 return new DeviceAdminInfo(mContext, ai); 2301 } catch (XmlPullParserException | IOException e) { 2302 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2303 e); 2304 return null; 2305 } 2306 } 2307 2308 private JournaledFile makeJournaledFile(int userHandle) { 2309 final String base = userHandle == UserHandle.USER_SYSTEM 2310 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2311 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2312 DEVICE_POLICIES_XML).getAbsolutePath(); 2313 if (VERBOSE_LOG) { 2314 Log.v(LOG_TAG, "Opening " + base); 2315 } 2316 return new JournaledFile(new File(base), new File(base + ".tmp")); 2317 } 2318 2319 private void saveSettingsLocked(int userHandle) { 2320 DevicePolicyData policy = getUserData(userHandle); 2321 JournaledFile journal = makeJournaledFile(userHandle); 2322 FileOutputStream stream = null; 2323 try { 2324 stream = new FileOutputStream(journal.chooseForWrite(), false); 2325 XmlSerializer out = new FastXmlSerializer(); 2326 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2327 out.startDocument(null, true); 2328 2329 out.startTag(null, "policies"); 2330 if (policy.mRestrictionsProvider != null) { 2331 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2332 policy.mRestrictionsProvider.flattenToString()); 2333 } 2334 if (policy.mUserSetupComplete) { 2335 out.attribute(null, ATTR_SETUP_COMPLETE, 2336 Boolean.toString(true)); 2337 } 2338 if (policy.mPaired) { 2339 out.attribute(null, ATTR_DEVICE_PAIRED, 2340 Boolean.toString(true)); 2341 } 2342 if (policy.mDeviceProvisioningConfigApplied) { 2343 out.attribute(null, ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED, 2344 Boolean.toString(true)); 2345 } 2346 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2347 out.attribute(null, ATTR_PROVISIONING_STATE, 2348 Integer.toString(policy.mUserProvisioningState)); 2349 } 2350 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2351 out.attribute(null, ATTR_PERMISSION_POLICY, 2352 Integer.toString(policy.mPermissionPolicy)); 2353 } 2354 if (policy.mDelegatedCertInstallerPackage != null) { 2355 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 2356 policy.mDelegatedCertInstallerPackage); 2357 } 2358 if (policy.mApplicationRestrictionsManagingPackage != null) { 2359 out.attribute(null, ATTR_APPLICATION_RESTRICTIONS_MANAGER, 2360 policy.mApplicationRestrictionsManagingPackage); 2361 } 2362 2363 final int N = policy.mAdminList.size(); 2364 for (int i=0; i<N; i++) { 2365 ActiveAdmin ap = policy.mAdminList.get(i); 2366 if (ap != null) { 2367 out.startTag(null, "admin"); 2368 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2369 ap.writeToXml(out); 2370 out.endTag(null, "admin"); 2371 } 2372 } 2373 2374 if (policy.mPasswordOwner >= 0) { 2375 out.startTag(null, "password-owner"); 2376 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2377 out.endTag(null, "password-owner"); 2378 } 2379 2380 if (policy.mFailedPasswordAttempts != 0) { 2381 out.startTag(null, "failed-password-attempts"); 2382 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2383 out.endTag(null, "failed-password-attempts"); 2384 } 2385 2386 for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { 2387 out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2388 out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); 2389 out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2390 } 2391 2392 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2393 String component = policy.mLockTaskPackages.get(i); 2394 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2395 out.attribute(null, "name", component); 2396 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2397 } 2398 2399 if (policy.mStatusBarDisabled) { 2400 out.startTag(null, TAG_STATUS_BAR); 2401 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2402 out.endTag(null, TAG_STATUS_BAR); 2403 } 2404 2405 if (policy.doNotAskCredentialsOnBoot) { 2406 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2407 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2408 } 2409 2410 for (String id : policy.mAffiliationIds) { 2411 out.startTag(null, TAG_AFFILIATION_ID); 2412 out.attribute(null, ATTR_ID, id); 2413 out.endTag(null, TAG_AFFILIATION_ID); 2414 } 2415 2416 if (policy.mLastSecurityLogRetrievalTime >= 0) { 2417 out.startTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2418 out.attribute(null, ATTR_VALUE, 2419 Long.toString(policy.mLastSecurityLogRetrievalTime)); 2420 out.endTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2421 } 2422 2423 if (policy.mLastBugReportRequestTime >= 0) { 2424 out.startTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2425 out.attribute(null, ATTR_VALUE, 2426 Long.toString(policy.mLastBugReportRequestTime)); 2427 out.endTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2428 } 2429 2430 if (policy.mLastNetworkLogsRetrievalTime >= 0) { 2431 out.startTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2432 out.attribute(null, ATTR_VALUE, 2433 Long.toString(policy.mLastNetworkLogsRetrievalTime)); 2434 out.endTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2435 } 2436 2437 if (policy.mAdminBroadcastPending) { 2438 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2439 out.attribute(null, ATTR_VALUE, 2440 Boolean.toString(policy.mAdminBroadcastPending)); 2441 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2442 } 2443 2444 if (policy.mInitBundle != null) { 2445 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2446 policy.mInitBundle.saveToXml(out); 2447 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2448 } 2449 2450 out.endTag(null, "policies"); 2451 2452 out.endDocument(); 2453 stream.flush(); 2454 FileUtils.sync(stream); 2455 stream.close(); 2456 journal.commit(); 2457 sendChangedNotification(userHandle); 2458 } catch (XmlPullParserException | IOException e) { 2459 Slog.w(LOG_TAG, "failed writing file", e); 2460 try { 2461 if (stream != null) { 2462 stream.close(); 2463 } 2464 } catch (IOException ex) { 2465 // Ignore 2466 } 2467 journal.rollback(); 2468 } 2469 } 2470 2471 private void sendChangedNotification(int userHandle) { 2472 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2473 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2474 long ident = mInjector.binderClearCallingIdentity(); 2475 try { 2476 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2477 } finally { 2478 mInjector.binderRestoreCallingIdentity(ident); 2479 } 2480 } 2481 2482 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2483 JournaledFile journal = makeJournaledFile(userHandle); 2484 FileInputStream stream = null; 2485 File file = journal.chooseForRead(); 2486 boolean needsRewrite = false; 2487 try { 2488 stream = new FileInputStream(file); 2489 XmlPullParser parser = Xml.newPullParser(); 2490 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2491 2492 int type; 2493 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2494 && type != XmlPullParser.START_TAG) { 2495 } 2496 String tag = parser.getName(); 2497 if (!"policies".equals(tag)) { 2498 throw new XmlPullParserException( 2499 "Settings do not start with policies tag: found " + tag); 2500 } 2501 2502 // Extract the permission provider component name if available 2503 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2504 if (permissionProvider != null) { 2505 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2506 } 2507 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2508 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2509 policy.mUserSetupComplete = true; 2510 } 2511 String paired = parser.getAttributeValue(null, ATTR_DEVICE_PAIRED); 2512 if (paired != null && Boolean.toString(true).equals(paired)) { 2513 policy.mPaired = true; 2514 } 2515 String deviceProvisioningConfigApplied = parser.getAttributeValue(null, 2516 ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED); 2517 if (deviceProvisioningConfigApplied != null 2518 && Boolean.toString(true).equals(deviceProvisioningConfigApplied)) { 2519 policy.mDeviceProvisioningConfigApplied = true; 2520 } 2521 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2522 if (!TextUtils.isEmpty(provisioningState)) { 2523 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2524 } 2525 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2526 if (!TextUtils.isEmpty(permissionPolicy)) { 2527 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2528 } 2529 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 2530 ATTR_DELEGATED_CERT_INSTALLER); 2531 policy.mApplicationRestrictionsManagingPackage = parser.getAttributeValue(null, 2532 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2533 2534 type = parser.next(); 2535 int outerDepth = parser.getDepth(); 2536 policy.mLockTaskPackages.clear(); 2537 policy.mAdminList.clear(); 2538 policy.mAdminMap.clear(); 2539 policy.mAffiliationIds.clear(); 2540 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2541 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2542 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2543 continue; 2544 } 2545 tag = parser.getName(); 2546 if ("admin".equals(tag)) { 2547 String name = parser.getAttributeValue(null, "name"); 2548 try { 2549 DeviceAdminInfo dai = findAdmin( 2550 ComponentName.unflattenFromString(name), userHandle, 2551 /* throwForMissionPermission= */ false); 2552 if (VERBOSE_LOG 2553 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2554 != userHandle)) { 2555 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2556 + dai.getActivityInfo().applicationInfo.uid + " for user " 2557 + userHandle); 2558 } 2559 if (dai != null) { 2560 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2561 ap.readFromXml(parser); 2562 policy.mAdminMap.put(ap.info.getComponent(), ap); 2563 } 2564 } catch (RuntimeException e) { 2565 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2566 } 2567 } else if ("failed-password-attempts".equals(tag)) { 2568 policy.mFailedPasswordAttempts = Integer.parseInt( 2569 parser.getAttributeValue(null, "value")); 2570 } else if ("password-owner".equals(tag)) { 2571 policy.mPasswordOwner = Integer.parseInt( 2572 parser.getAttributeValue(null, "value")); 2573 } else if (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { 2574 policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); 2575 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2576 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2577 } else if (TAG_STATUS_BAR.equals(tag)) { 2578 policy.mStatusBarDisabled = Boolean.parseBoolean( 2579 parser.getAttributeValue(null, ATTR_DISABLED)); 2580 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2581 policy.doNotAskCredentialsOnBoot = true; 2582 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2583 policy.mAffiliationIds.add(parser.getAttributeValue(null, ATTR_ID)); 2584 } else if (TAG_LAST_SECURITY_LOG_RETRIEVAL.equals(tag)) { 2585 policy.mLastSecurityLogRetrievalTime = Long.parseLong( 2586 parser.getAttributeValue(null, ATTR_VALUE)); 2587 } else if (TAG_LAST_BUG_REPORT_REQUEST.equals(tag)) { 2588 policy.mLastBugReportRequestTime = Long.parseLong( 2589 parser.getAttributeValue(null, ATTR_VALUE)); 2590 } else if (TAG_LAST_NETWORK_LOG_RETRIEVAL.equals(tag)) { 2591 policy.mLastNetworkLogsRetrievalTime = Long.parseLong( 2592 parser.getAttributeValue(null, ATTR_VALUE)); 2593 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2594 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2595 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2596 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2597 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2598 } else if ("active-password".equals(tag)) { 2599 needsRewrite = true; 2600 } else { 2601 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2602 XmlUtils.skipCurrentTag(parser); 2603 } 2604 } 2605 } catch (FileNotFoundException e) { 2606 // Don't be noisy, this is normal if we haven't defined any policies. 2607 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2608 | IndexOutOfBoundsException e) { 2609 Slog.w(LOG_TAG, "failed parsing " + file, e); 2610 } 2611 try { 2612 if (stream != null) { 2613 stream.close(); 2614 } 2615 } catch (IOException e) { 2616 // Ignore 2617 } 2618 2619 // Might need to upgrade the file by rewriting it 2620 if (needsRewrite) { 2621 saveSettingsLocked(userHandle); 2622 } 2623 2624 // Generate a list of admins from the admin map 2625 policy.mAdminList.addAll(policy.mAdminMap.values()); 2626 2627 validatePasswordOwnerLocked(policy); 2628 updateMaximumTimeToLockLocked(userHandle); 2629 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2630 if (policy.mStatusBarDisabled) { 2631 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2632 } 2633 } 2634 2635 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2636 long ident = mInjector.binderClearCallingIdentity(); 2637 try { 2638 mInjector.getIActivityManager() 2639 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2640 } catch (RemoteException e) { 2641 // Not gonna happen. 2642 } finally { 2643 mInjector.binderRestoreCallingIdentity(ident); 2644 } 2645 } 2646 2647 private void updateDeviceOwnerLocked() { 2648 long ident = mInjector.binderClearCallingIdentity(); 2649 try { 2650 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2651 // user id and also protect all other DAs too. 2652 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2653 if (deviceOwnerComponent != null) { 2654 mInjector.getIActivityManager() 2655 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2656 } 2657 } catch (RemoteException e) { 2658 // Not gonna happen. 2659 } finally { 2660 mInjector.binderRestoreCallingIdentity(ident); 2661 } 2662 } 2663 2664 static void validateQualityConstant(int quality) { 2665 switch (quality) { 2666 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2667 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2668 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2669 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2670 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2671 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2672 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2673 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2674 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2675 return; 2676 } 2677 throw new IllegalArgumentException("Invalid quality constant: 0x" 2678 + Integer.toHexString(quality)); 2679 } 2680 2681 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2682 if (policy.mPasswordOwner >= 0) { 2683 boolean haveOwner = false; 2684 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2685 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2686 haveOwner = true; 2687 break; 2688 } 2689 } 2690 if (!haveOwner) { 2691 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2692 + " no longer active; disabling"); 2693 policy.mPasswordOwner = -1; 2694 } 2695 } 2696 } 2697 2698 @VisibleForTesting 2699 void systemReady(int phase) { 2700 if (!mHasFeature) { 2701 return; 2702 } 2703 switch (phase) { 2704 case SystemService.PHASE_LOCK_SETTINGS_READY: 2705 onLockSettingsReady(); 2706 break; 2707 case SystemService.PHASE_BOOT_COMPLETED: 2708 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2709 break; 2710 } 2711 } 2712 2713 private void onLockSettingsReady() { 2714 getUserData(UserHandle.USER_SYSTEM); 2715 loadOwners(); 2716 cleanUpOldUsers(); 2717 2718 onStartUser(UserHandle.USER_SYSTEM); 2719 2720 // Register an observer for watching for user setup complete. 2721 new SetupContentObserver(mHandler).register(); 2722 // Initialize the user setup state, to handle the upgrade case. 2723 updateUserSetupCompleteAndPaired(); 2724 2725 List<String> packageList; 2726 synchronized (this) { 2727 packageList = getKeepUninstalledPackagesLocked(); 2728 } 2729 if (packageList != null) { 2730 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2731 } 2732 2733 synchronized (this) { 2734 // push the force-ephemeral-users policy to the user manager. 2735 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 2736 if (deviceOwner != null) { 2737 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 2738 } 2739 } 2740 } 2741 2742 private void ensureDeviceOwnerUserStarted() { 2743 final int userId; 2744 synchronized (this) { 2745 if (!mOwners.hasDeviceOwner()) { 2746 return; 2747 } 2748 userId = mOwners.getDeviceOwnerUserId(); 2749 } 2750 if (VERBOSE_LOG) { 2751 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2752 } 2753 if (userId != UserHandle.USER_SYSTEM) { 2754 try { 2755 mInjector.getIActivityManager().startUserInBackground(userId); 2756 2757 // STOPSHIP Prevent the DO user from being killed. 2758 2759 } catch (RemoteException e) { 2760 Slog.w(LOG_TAG, "Exception starting user", e); 2761 } 2762 } 2763 } 2764 2765 private void onStartUser(int userId) { 2766 updateScreenCaptureDisabledInWindowManager(userId, 2767 getScreenCaptureDisabled(null, userId)); 2768 pushUserRestrictions(userId); 2769 } 2770 2771 private void cleanUpOldUsers() { 2772 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2773 // before reboot 2774 Set<Integer> usersWithProfileOwners; 2775 Set<Integer> usersWithData; 2776 synchronized(this) { 2777 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 2778 usersWithData = new ArraySet<>(); 2779 for (int i = 0; i < mUserData.size(); i++) { 2780 usersWithData.add(mUserData.keyAt(i)); 2781 } 2782 } 2783 List<UserInfo> allUsers = mUserManager.getUsers(); 2784 2785 Set<Integer> deletedUsers = new ArraySet<>(); 2786 deletedUsers.addAll(usersWithProfileOwners); 2787 deletedUsers.addAll(usersWithData); 2788 for (UserInfo userInfo : allUsers) { 2789 deletedUsers.remove(userInfo.id); 2790 } 2791 for (Integer userId : deletedUsers) { 2792 removeUserData(userId); 2793 } 2794 } 2795 2796 private void handlePasswordExpirationNotification(int userHandle) { 2797 synchronized (this) { 2798 final long now = System.currentTimeMillis(); 2799 2800 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 2801 userHandle, /* parent */ false); 2802 final int N = admins.size(); 2803 for (int i = 0; i < N; i++) { 2804 ActiveAdmin admin = admins.get(i); 2805 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 2806 && admin.passwordExpirationTimeout > 0L 2807 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 2808 && admin.passwordExpirationDate > 0L) { 2809 sendAdminCommandLocked(admin, 2810 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 2811 } 2812 } 2813 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 2814 } 2815 } 2816 2817 private class MonitoringCertNotificationTask extends AsyncTask<Integer, Void, Void> { 2818 @Override 2819 protected Void doInBackground(Integer... params) { 2820 int userHandle = params[0]; 2821 2822 if (userHandle == UserHandle.USER_ALL) { 2823 for (UserInfo userInfo : mUserManager.getUsers(true)) { 2824 manageNotification(userInfo.getUserHandle()); 2825 } 2826 } else { 2827 manageNotification(UserHandle.of(userHandle)); 2828 } 2829 return null; 2830 } 2831 2832 private void manageNotification(UserHandle userHandle) { 2833 if (!mUserManager.isUserUnlocked(userHandle)) { 2834 return; 2835 } 2836 2837 // Call out to KeyChain to check for CAs which are waiting for approval. 2838 final List<String> pendingCertificates; 2839 try { 2840 pendingCertificates = getInstalledCaCertificates(userHandle); 2841 } catch (RemoteException | RuntimeException e) { 2842 Log.e(LOG_TAG, "Could not retrieve certificates from KeyChain service", e); 2843 return; 2844 } 2845 2846 synchronized (DevicePolicyManagerService.this) { 2847 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 2848 2849 // Remove deleted certificates. Flush xml if necessary. 2850 if (policy.mAcceptedCaCertificates.retainAll(pendingCertificates)) { 2851 saveSettingsLocked(userHandle.getIdentifier()); 2852 } 2853 // Trim to approved certificates. 2854 pendingCertificates.removeAll(policy.mAcceptedCaCertificates); 2855 } 2856 2857 if (pendingCertificates.isEmpty()) { 2858 mInjector.getNotificationManager().cancelAsUser( 2859 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 2860 return; 2861 } 2862 2863 // Build and show a warning notification 2864 int smallIconId; 2865 String contentText; 2866 int parentUserId = userHandle.getIdentifier(); 2867 if (getProfileOwner(userHandle.getIdentifier()) != null) { 2868 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2869 getProfileOwnerName(userHandle.getIdentifier())); 2870 smallIconId = R.drawable.stat_sys_certificate_info; 2871 parentUserId = getProfileParentId(userHandle.getIdentifier()); 2872 } else if (getDeviceOwnerUserId() == userHandle.getIdentifier()) { 2873 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2874 getDeviceOwnerName()); 2875 smallIconId = R.drawable.stat_sys_certificate_info; 2876 } else { 2877 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 2878 smallIconId = android.R.drawable.stat_sys_warning; 2879 } 2880 2881 final int numberOfCertificates = pendingCertificates.size(); 2882 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 2883 dialogIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 2884 dialogIntent.setPackage("com.android.settings"); 2885 dialogIntent.putExtra(Settings.EXTRA_NUMBER_OF_CERTIFICATES, numberOfCertificates); 2886 dialogIntent.putExtra(Intent.EXTRA_USER_ID, userHandle.getIdentifier()); 2887 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 2888 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, 2889 new UserHandle(parentUserId)); 2890 2891 final Context userContext; 2892 try { 2893 final String packageName = mContext.getPackageName(); 2894 userContext = mContext.createPackageContextAsUser(packageName, 0, userHandle); 2895 } catch (PackageManager.NameNotFoundException e) { 2896 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 2897 return; 2898 } 2899 final Notification noti = new Notification.Builder(userContext) 2900 .setSmallIcon(smallIconId) 2901 .setContentTitle(mContext.getResources().getQuantityText( 2902 R.plurals.ssl_ca_cert_warning, numberOfCertificates)) 2903 .setContentText(contentText) 2904 .setContentIntent(notifyIntent) 2905 .setPriority(Notification.PRIORITY_HIGH) 2906 .setShowWhen(false) 2907 .setColor(mContext.getColor( 2908 com.android.internal.R.color.system_notification_accent_color)) 2909 .build(); 2910 2911 mInjector.getNotificationManager().notifyAsUser( 2912 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 2913 } 2914 2915 private List<String> getInstalledCaCertificates(UserHandle userHandle) 2916 throws RemoteException, RuntimeException { 2917 KeyChainConnection conn = null; 2918 try { 2919 conn = KeyChain.bindAsUser(mContext, userHandle); 2920 List<ParcelableString> aliases = conn.getService().getUserCaAliases().getList(); 2921 List<String> result = new ArrayList<>(aliases.size()); 2922 for (int i = 0; i < aliases.size(); i++) { 2923 result.add(aliases.get(i).string); 2924 } 2925 return result; 2926 } catch (InterruptedException e) { 2927 Thread.currentThread().interrupt(); 2928 return null; 2929 } catch (AssertionError e) { 2930 throw new RuntimeException(e); 2931 } finally { 2932 if (conn != null) { 2933 conn.close(); 2934 } 2935 } 2936 } 2937 } 2938 2939 /** 2940 * @param adminReceiver The admin to add 2941 * @param refreshing true = update an active admin, no error 2942 */ 2943 @Override 2944 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 2945 if (!mHasFeature) { 2946 return; 2947 } 2948 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 2949 } 2950 2951 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 2952 Bundle onEnableData) { 2953 mContext.enforceCallingOrSelfPermission( 2954 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2955 enforceFullCrossUsersPermission(userHandle); 2956 2957 DevicePolicyData policy = getUserData(userHandle); 2958 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 2959 /* throwForMissionPermission= */ true); 2960 if (info == null) { 2961 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 2962 } 2963 if (!info.getActivityInfo().applicationInfo.isInternal()) { 2964 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 2965 + adminReceiver); 2966 } 2967 synchronized (this) { 2968 long ident = mInjector.binderClearCallingIdentity(); 2969 try { 2970 final ActiveAdmin existingAdmin 2971 = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2972 if (!refreshing && existingAdmin != null) { 2973 throw new IllegalArgumentException("Admin is already added"); 2974 } 2975 if (policy.mRemovingAdmins.contains(adminReceiver)) { 2976 throw new IllegalArgumentException( 2977 "Trying to set an admin which is being removed"); 2978 } 2979 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 2980 newAdmin.testOnlyAdmin = 2981 (existingAdmin != null) ? existingAdmin.testOnlyAdmin 2982 : isPackageTestOnly(adminReceiver.getPackageName(), userHandle); 2983 policy.mAdminMap.put(adminReceiver, newAdmin); 2984 int replaceIndex = -1; 2985 final int N = policy.mAdminList.size(); 2986 for (int i=0; i < N; i++) { 2987 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 2988 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 2989 replaceIndex = i; 2990 break; 2991 } 2992 } 2993 if (replaceIndex == -1) { 2994 policy.mAdminList.add(newAdmin); 2995 enableIfNecessary(info.getPackageName(), userHandle); 2996 } else { 2997 policy.mAdminList.set(replaceIndex, newAdmin); 2998 } 2999 saveSettingsLocked(userHandle); 3000 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 3001 onEnableData, null); 3002 } finally { 3003 mInjector.binderRestoreCallingIdentity(ident); 3004 } 3005 } 3006 } 3007 3008 @Override 3009 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 3010 if (!mHasFeature) { 3011 return false; 3012 } 3013 enforceFullCrossUsersPermission(userHandle); 3014 synchronized (this) { 3015 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 3016 } 3017 } 3018 3019 @Override 3020 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 3021 if (!mHasFeature) { 3022 return false; 3023 } 3024 enforceFullCrossUsersPermission(userHandle); 3025 synchronized (this) { 3026 DevicePolicyData policyData = getUserData(userHandle); 3027 return policyData.mRemovingAdmins.contains(adminReceiver); 3028 } 3029 } 3030 3031 @Override 3032 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 3033 if (!mHasFeature) { 3034 return false; 3035 } 3036 enforceFullCrossUsersPermission(userHandle); 3037 synchronized (this) { 3038 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3039 if (administrator == null) { 3040 throw new SecurityException("No active admin " + adminReceiver); 3041 } 3042 return administrator.info.usesPolicy(policyId); 3043 } 3044 } 3045 3046 @Override 3047 @SuppressWarnings("unchecked") 3048 public List<ComponentName> getActiveAdmins(int userHandle) { 3049 if (!mHasFeature) { 3050 return Collections.EMPTY_LIST; 3051 } 3052 3053 enforceFullCrossUsersPermission(userHandle); 3054 synchronized (this) { 3055 DevicePolicyData policy = getUserData(userHandle); 3056 final int N = policy.mAdminList.size(); 3057 if (N <= 0) { 3058 return null; 3059 } 3060 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 3061 for (int i=0; i<N; i++) { 3062 res.add(policy.mAdminList.get(i).info.getComponent()); 3063 } 3064 return res; 3065 } 3066 } 3067 3068 @Override 3069 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 3070 if (!mHasFeature) { 3071 return false; 3072 } 3073 enforceFullCrossUsersPermission(userHandle); 3074 synchronized (this) { 3075 DevicePolicyData policy = getUserData(userHandle); 3076 final int N = policy.mAdminList.size(); 3077 for (int i=0; i<N; i++) { 3078 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 3079 return true; 3080 } 3081 } 3082 return false; 3083 } 3084 } 3085 3086 public void forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { 3087 if (!mHasFeature) { 3088 return; 3089 } 3090 Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); 3091 enforceShell("forceRemoveActiveAdmin"); 3092 long ident = mInjector.binderClearCallingIdentity(); 3093 try { 3094 synchronized (this) { 3095 if (!isAdminTestOnlyLocked(adminReceiver, userHandle)) { 3096 throw new SecurityException("Attempt to remove non-test admin " 3097 + adminReceiver + " " + userHandle); 3098 } 3099 3100 // If admin is a device or profile owner tidy that up first. 3101 if (isDeviceOwner(adminReceiver, userHandle)) { 3102 clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); 3103 clearDeviceOwnerUserRestrictionLocked(UserHandle.of(userHandle)); 3104 } 3105 if (isProfileOwner(adminReceiver, userHandle)) { 3106 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, 3107 userHandle, /* parent */ false); 3108 clearProfileOwnerLocked(admin, userHandle); 3109 } 3110 } 3111 // Remove the admin skipping sending the broadcast. 3112 removeAdminArtifacts(adminReceiver, userHandle); 3113 Slog.i(LOG_TAG, "Admin " + adminReceiver + " removed from user " + userHandle); 3114 } finally { 3115 mInjector.binderRestoreCallingIdentity(ident); 3116 } 3117 } 3118 3119 // It's temporary solution to clear DISALLOW_ADD_USER after CTS 3120 // TODO: b/31952368 when the restriction is moved from system to the device owner, 3121 // it can be removed. 3122 private void clearDeviceOwnerUserRestrictionLocked(UserHandle userHandle) { 3123 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_USER, userHandle)) { 3124 mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_USER, false, userHandle); 3125 } 3126 } 3127 3128 /** 3129 * Return if a given package has testOnly="true", in which case we'll relax certain rules 3130 * for CTS. 3131 * 3132 * DO NOT use this method except in {@link #setActiveAdmin}. Use {@link #isAdminTestOnlyLocked} 3133 * to check wehter an active admin is test-only or not. 3134 * 3135 * The system allows this flag to be changed when an app is updated, which is not good 3136 * for us. So we persist the flag in {@link ActiveAdmin} when an admin is first installed, 3137 * and used the persisted version in actual checks. (See b/31382361 and b/28928996) 3138 */ 3139 private boolean isPackageTestOnly(String packageName, int userHandle) { 3140 final ApplicationInfo ai; 3141 try { 3142 ai = mIPackageManager.getApplicationInfo(packageName, 3143 (PackageManager.MATCH_DIRECT_BOOT_AWARE 3144 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE), userHandle); 3145 } catch (RemoteException e) { 3146 throw new IllegalStateException(e); 3147 } 3148 if (ai == null) { 3149 throw new IllegalStateException("Couldn't find package: " 3150 + packageName + " on user " + userHandle); 3151 } 3152 return (ai.flags & ApplicationInfo.FLAG_TEST_ONLY) != 0; 3153 } 3154 3155 /** 3156 * See {@link #isPackageTestOnly}. 3157 */ 3158 private boolean isAdminTestOnlyLocked(ComponentName who, int userHandle) { 3159 final ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3160 return (admin != null) && admin.testOnlyAdmin; 3161 } 3162 3163 private void enforceShell(String method) { 3164 final int callingUid = Binder.getCallingUid(); 3165 if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { 3166 throw new SecurityException("Non-shell user attempted to call " + method); 3167 } 3168 } 3169 3170 @Override 3171 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 3172 if (!mHasFeature) { 3173 return; 3174 } 3175 enforceFullCrossUsersPermission(userHandle); 3176 enforceUserUnlocked(userHandle); 3177 synchronized (this) { 3178 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3179 if (admin == null) { 3180 return; 3181 } 3182 // Active device/profile owners must remain active admins. 3183 if (isDeviceOwner(adminReceiver, userHandle) 3184 || isProfileOwner(adminReceiver, userHandle)) { 3185 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 3186 adminReceiver); 3187 return; 3188 } 3189 if (admin.getUid() != mInjector.binderGetCallingUid()) { 3190 mContext.enforceCallingOrSelfPermission( 3191 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3192 } 3193 long ident = mInjector.binderClearCallingIdentity(); 3194 try { 3195 removeActiveAdminLocked(adminReceiver, userHandle); 3196 } finally { 3197 mInjector.binderRestoreCallingIdentity(ident); 3198 } 3199 } 3200 } 3201 3202 @Override 3203 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 3204 ComponentName profileOwner = getProfileOwner(userHandle); 3205 // Profile challenge is supported on N or newer release. 3206 return profileOwner != null && 3207 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 3208 } 3209 3210 @Override 3211 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 3212 if (!mHasFeature) { 3213 return; 3214 } 3215 Preconditions.checkNotNull(who, "ComponentName is null"); 3216 validateQualityConstant(quality); 3217 3218 synchronized (this) { 3219 ActiveAdmin ap = getActiveAdminForCallerLocked( 3220 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3221 if (ap.minimumPasswordMetrics.quality != quality) { 3222 ap.minimumPasswordMetrics.quality = quality; 3223 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3224 } 3225 } 3226 } 3227 3228 @Override 3229 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 3230 if (!mHasFeature) { 3231 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3232 } 3233 enforceFullCrossUsersPermission(userHandle); 3234 synchronized (this) { 3235 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3236 3237 if (who != null) { 3238 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3239 return admin != null ? admin.minimumPasswordMetrics.quality : mode; 3240 } 3241 3242 // Return the strictest policy across all participating admins. 3243 List<ActiveAdmin> admins = 3244 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3245 final int N = admins.size(); 3246 for (int i = 0; i < N; i++) { 3247 ActiveAdmin admin = admins.get(i); 3248 if (mode < admin.minimumPasswordMetrics.quality) { 3249 mode = admin.minimumPasswordMetrics.quality; 3250 } 3251 } 3252 return mode; 3253 } 3254 } 3255 3256 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 3257 int userHandle, boolean parent) { 3258 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 3259 // If this user has a separate challenge, only return its restrictions. 3260 return getUserDataUnchecked(userHandle).mAdminList; 3261 } else { 3262 // Return all admins for this user and the profiles that are visible from this 3263 // user that do not use a separate work challenge. 3264 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 3265 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3266 DevicePolicyData policy = getUserData(userInfo.id); 3267 if (!userInfo.isManagedProfile()) { 3268 admins.addAll(policy.mAdminList); 3269 } else { 3270 // For managed profiles, we always include the policies set on the parent 3271 // profile. Additionally, we include the ones set on the managed profile 3272 // if no separate challenge is in place. 3273 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 3274 final int N = policy.mAdminList.size(); 3275 for (int i = 0; i < N; i++) { 3276 ActiveAdmin admin = policy.mAdminList.get(i); 3277 if (admin.hasParentActiveAdmin()) { 3278 admins.add(admin.getParentActiveAdmin()); 3279 } 3280 if (!hasSeparateChallenge) { 3281 admins.add(admin); 3282 } 3283 } 3284 } 3285 } 3286 return admins; 3287 } 3288 } 3289 3290 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 3291 long ident = mInjector.binderClearCallingIdentity(); 3292 try { 3293 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 3294 } finally { 3295 mInjector.binderRestoreCallingIdentity(ident); 3296 } 3297 } 3298 3299 @Override 3300 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 3301 if (!mHasFeature) { 3302 return; 3303 } 3304 Preconditions.checkNotNull(who, "ComponentName is null"); 3305 synchronized (this) { 3306 ActiveAdmin ap = getActiveAdminForCallerLocked( 3307 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3308 if (ap.minimumPasswordMetrics.length != length) { 3309 ap.minimumPasswordMetrics.length = length; 3310 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3311 } 3312 } 3313 } 3314 3315 @Override 3316 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 3317 if (!mHasFeature) { 3318 return 0; 3319 } 3320 enforceFullCrossUsersPermission(userHandle); 3321 synchronized (this) { 3322 int length = 0; 3323 3324 if (who != null) { 3325 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3326 return admin != null ? admin.minimumPasswordMetrics.length : length; 3327 } 3328 3329 // Return the strictest policy across all participating admins. 3330 List<ActiveAdmin> admins = 3331 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3332 final int N = admins.size(); 3333 for (int i = 0; i < N; i++) { 3334 ActiveAdmin admin = admins.get(i); 3335 if (length < admin.minimumPasswordMetrics.length) { 3336 length = admin.minimumPasswordMetrics.length; 3337 } 3338 } 3339 return length; 3340 } 3341 } 3342 3343 @Override 3344 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3345 if (!mHasFeature) { 3346 return; 3347 } 3348 Preconditions.checkNotNull(who, "ComponentName is null"); 3349 synchronized (this) { 3350 ActiveAdmin ap = getActiveAdminForCallerLocked( 3351 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3352 if (ap.passwordHistoryLength != length) { 3353 ap.passwordHistoryLength = length; 3354 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3355 } 3356 } 3357 } 3358 3359 @Override 3360 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3361 if (!mHasFeature) { 3362 return 0; 3363 } 3364 enforceFullCrossUsersPermission(userHandle); 3365 synchronized (this) { 3366 int length = 0; 3367 3368 if (who != null) { 3369 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3370 return admin != null ? admin.passwordHistoryLength : length; 3371 } 3372 3373 // Return the strictest policy across all participating admins. 3374 List<ActiveAdmin> admins = 3375 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3376 final int N = admins.size(); 3377 for (int i = 0; i < N; i++) { 3378 ActiveAdmin admin = admins.get(i); 3379 if (length < admin.passwordHistoryLength) { 3380 length = admin.passwordHistoryLength; 3381 } 3382 } 3383 3384 return length; 3385 } 3386 } 3387 3388 @Override 3389 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3390 if (!mHasFeature) { 3391 return; 3392 } 3393 Preconditions.checkNotNull(who, "ComponentName is null"); 3394 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3395 final int userHandle = mInjector.userHandleGetCallingUserId(); 3396 synchronized (this) { 3397 ActiveAdmin ap = getActiveAdminForCallerLocked( 3398 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3399 // Calling this API automatically bumps the expiration date 3400 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3401 ap.passwordExpirationDate = expiration; 3402 ap.passwordExpirationTimeout = timeout; 3403 if (timeout > 0L) { 3404 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3405 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3406 .format(new Date(expiration))); 3407 } 3408 saveSettingsLocked(userHandle); 3409 3410 // in case this is the first one, set the alarm on the appropriate user. 3411 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3412 } 3413 } 3414 3415 /** 3416 * Return a single admin's expiration cycle time, or the min of all cycle times. 3417 * Returns 0 if not configured. 3418 */ 3419 @Override 3420 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3421 if (!mHasFeature) { 3422 return 0L; 3423 } 3424 enforceFullCrossUsersPermission(userHandle); 3425 synchronized (this) { 3426 long timeout = 0L; 3427 3428 if (who != null) { 3429 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3430 return admin != null ? admin.passwordExpirationTimeout : timeout; 3431 } 3432 3433 // Return the strictest policy across all participating admins. 3434 List<ActiveAdmin> admins = 3435 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3436 final int N = admins.size(); 3437 for (int i = 0; i < N; i++) { 3438 ActiveAdmin admin = admins.get(i); 3439 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3440 && timeout > admin.passwordExpirationTimeout)) { 3441 timeout = admin.passwordExpirationTimeout; 3442 } 3443 } 3444 return timeout; 3445 } 3446 } 3447 3448 @Override 3449 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3450 final int userId = UserHandle.getCallingUserId(); 3451 List<String> changedProviders = null; 3452 3453 synchronized (this) { 3454 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3455 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3456 if (activeAdmin.crossProfileWidgetProviders == null) { 3457 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3458 } 3459 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3460 if (!providers.contains(packageName)) { 3461 providers.add(packageName); 3462 changedProviders = new ArrayList<>(providers); 3463 saveSettingsLocked(userId); 3464 } 3465 } 3466 3467 if (changedProviders != null) { 3468 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3469 return true; 3470 } 3471 3472 return false; 3473 } 3474 3475 @Override 3476 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3477 final int userId = UserHandle.getCallingUserId(); 3478 List<String> changedProviders = null; 3479 3480 synchronized (this) { 3481 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3482 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3483 if (activeAdmin.crossProfileWidgetProviders == null 3484 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3485 return false; 3486 } 3487 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3488 if (providers.remove(packageName)) { 3489 changedProviders = new ArrayList<>(providers); 3490 saveSettingsLocked(userId); 3491 } 3492 } 3493 3494 if (changedProviders != null) { 3495 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3496 return true; 3497 } 3498 3499 return false; 3500 } 3501 3502 @Override 3503 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3504 synchronized (this) { 3505 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3506 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3507 if (activeAdmin.crossProfileWidgetProviders == null 3508 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3509 return null; 3510 } 3511 if (mInjector.binderIsCallingUidMyUid()) { 3512 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3513 } else { 3514 return activeAdmin.crossProfileWidgetProviders; 3515 } 3516 } 3517 } 3518 3519 /** 3520 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3521 * Returns 0 if not configured. 3522 */ 3523 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3524 long timeout = 0L; 3525 3526 if (who != null) { 3527 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3528 return admin != null ? admin.passwordExpirationDate : timeout; 3529 } 3530 3531 // Return the strictest policy across all participating admins. 3532 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3533 final int N = admins.size(); 3534 for (int i = 0; i < N; i++) { 3535 ActiveAdmin admin = admins.get(i); 3536 if (timeout == 0L || (admin.passwordExpirationDate != 0 3537 && timeout > admin.passwordExpirationDate)) { 3538 timeout = admin.passwordExpirationDate; 3539 } 3540 } 3541 return timeout; 3542 } 3543 3544 @Override 3545 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3546 if (!mHasFeature) { 3547 return 0L; 3548 } 3549 enforceFullCrossUsersPermission(userHandle); 3550 synchronized (this) { 3551 return getPasswordExpirationLocked(who, userHandle, parent); 3552 } 3553 } 3554 3555 @Override 3556 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3557 if (!mHasFeature) { 3558 return; 3559 } 3560 Preconditions.checkNotNull(who, "ComponentName is null"); 3561 synchronized (this) { 3562 ActiveAdmin ap = getActiveAdminForCallerLocked( 3563 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3564 if (ap.minimumPasswordMetrics.upperCase != length) { 3565 ap.minimumPasswordMetrics.upperCase = length; 3566 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3567 } 3568 } 3569 } 3570 3571 @Override 3572 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3573 if (!mHasFeature) { 3574 return 0; 3575 } 3576 enforceFullCrossUsersPermission(userHandle); 3577 synchronized (this) { 3578 int length = 0; 3579 3580 if (who != null) { 3581 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3582 return admin != null ? admin.minimumPasswordMetrics.upperCase : length; 3583 } 3584 3585 // Return the strictest policy across all participating admins. 3586 List<ActiveAdmin> admins = 3587 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3588 final int N = admins.size(); 3589 for (int i = 0; i < N; i++) { 3590 ActiveAdmin admin = admins.get(i); 3591 if (length < admin.minimumPasswordMetrics.upperCase) { 3592 length = admin.minimumPasswordMetrics.upperCase; 3593 } 3594 } 3595 return length; 3596 } 3597 } 3598 3599 @Override 3600 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3601 Preconditions.checkNotNull(who, "ComponentName is null"); 3602 synchronized (this) { 3603 ActiveAdmin ap = getActiveAdminForCallerLocked( 3604 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3605 if (ap.minimumPasswordMetrics.lowerCase != length) { 3606 ap.minimumPasswordMetrics.lowerCase = length; 3607 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3608 } 3609 } 3610 } 3611 3612 @Override 3613 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3614 if (!mHasFeature) { 3615 return 0; 3616 } 3617 enforceFullCrossUsersPermission(userHandle); 3618 synchronized (this) { 3619 int length = 0; 3620 3621 if (who != null) { 3622 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3623 return admin != null ? admin.minimumPasswordMetrics.lowerCase : length; 3624 } 3625 3626 // Return the strictest policy across all participating admins. 3627 List<ActiveAdmin> admins = 3628 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3629 final int N = admins.size(); 3630 for (int i = 0; i < N; i++) { 3631 ActiveAdmin admin = admins.get(i); 3632 if (length < admin.minimumPasswordMetrics.lowerCase) { 3633 length = admin.minimumPasswordMetrics.lowerCase; 3634 } 3635 } 3636 return length; 3637 } 3638 } 3639 3640 @Override 3641 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3642 if (!mHasFeature) { 3643 return; 3644 } 3645 Preconditions.checkNotNull(who, "ComponentName is null"); 3646 synchronized (this) { 3647 ActiveAdmin ap = getActiveAdminForCallerLocked( 3648 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3649 if (ap.minimumPasswordMetrics.letters != length) { 3650 ap.minimumPasswordMetrics.letters = length; 3651 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3652 } 3653 } 3654 } 3655 3656 @Override 3657 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3658 if (!mHasFeature) { 3659 return 0; 3660 } 3661 enforceFullCrossUsersPermission(userHandle); 3662 synchronized (this) { 3663 int length = 0; 3664 3665 if (who != null) { 3666 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3667 return admin != null ? admin.minimumPasswordMetrics.letters : length; 3668 } 3669 3670 // Return the strictest policy across all participating admins. 3671 List<ActiveAdmin> admins = 3672 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3673 final int N = admins.size(); 3674 for (int i = 0; i < N; i++) { 3675 ActiveAdmin admin = admins.get(i); 3676 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3677 continue; 3678 } 3679 if (length < admin.minimumPasswordMetrics.letters) { 3680 length = admin.minimumPasswordMetrics.letters; 3681 } 3682 } 3683 return length; 3684 } 3685 } 3686 3687 @Override 3688 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3689 if (!mHasFeature) { 3690 return; 3691 } 3692 Preconditions.checkNotNull(who, "ComponentName is null"); 3693 synchronized (this) { 3694 ActiveAdmin ap = getActiveAdminForCallerLocked( 3695 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3696 if (ap.minimumPasswordMetrics.numeric != length) { 3697 ap.minimumPasswordMetrics.numeric = length; 3698 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3699 } 3700 } 3701 } 3702 3703 @Override 3704 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3705 if (!mHasFeature) { 3706 return 0; 3707 } 3708 enforceFullCrossUsersPermission(userHandle); 3709 synchronized (this) { 3710 int length = 0; 3711 3712 if (who != null) { 3713 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3714 return admin != null ? admin.minimumPasswordMetrics.numeric : length; 3715 } 3716 3717 // Return the strictest policy across all participating admins. 3718 List<ActiveAdmin> admins = 3719 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3720 final int N = admins.size(); 3721 for (int i = 0; i < N; i++) { 3722 ActiveAdmin admin = admins.get(i); 3723 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3724 continue; 3725 } 3726 if (length < admin.minimumPasswordMetrics.numeric) { 3727 length = admin.minimumPasswordMetrics.numeric; 3728 } 3729 } 3730 return length; 3731 } 3732 } 3733 3734 @Override 3735 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3736 if (!mHasFeature) { 3737 return; 3738 } 3739 Preconditions.checkNotNull(who, "ComponentName is null"); 3740 synchronized (this) { 3741 ActiveAdmin ap = getActiveAdminForCallerLocked( 3742 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3743 if (ap.minimumPasswordMetrics.symbols != length) { 3744 ap.minimumPasswordMetrics.symbols = length; 3745 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3746 } 3747 } 3748 } 3749 3750 @Override 3751 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3752 if (!mHasFeature) { 3753 return 0; 3754 } 3755 enforceFullCrossUsersPermission(userHandle); 3756 synchronized (this) { 3757 int length = 0; 3758 3759 if (who != null) { 3760 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3761 return admin != null ? admin.minimumPasswordMetrics.symbols : length; 3762 } 3763 3764 // Return the strictest policy across all participating admins. 3765 List<ActiveAdmin> admins = 3766 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3767 final int N = admins.size(); 3768 for (int i = 0; i < N; i++) { 3769 ActiveAdmin admin = admins.get(i); 3770 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3771 continue; 3772 } 3773 if (length < admin.minimumPasswordMetrics.symbols) { 3774 length = admin.minimumPasswordMetrics.symbols; 3775 } 3776 } 3777 return length; 3778 } 3779 } 3780 3781 @Override 3782 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 3783 if (!mHasFeature) { 3784 return; 3785 } 3786 Preconditions.checkNotNull(who, "ComponentName is null"); 3787 synchronized (this) { 3788 ActiveAdmin ap = getActiveAdminForCallerLocked( 3789 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3790 if (ap.minimumPasswordMetrics.nonLetter != length) { 3791 ap.minimumPasswordMetrics.nonLetter = length; 3792 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3793 } 3794 } 3795 } 3796 3797 @Override 3798 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 3799 if (!mHasFeature) { 3800 return 0; 3801 } 3802 enforceFullCrossUsersPermission(userHandle); 3803 synchronized (this) { 3804 int length = 0; 3805 3806 if (who != null) { 3807 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3808 return admin != null ? admin.minimumPasswordMetrics.nonLetter : length; 3809 } 3810 3811 // Return the strictest policy across all participating admins. 3812 List<ActiveAdmin> admins = 3813 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3814 final int N = admins.size(); 3815 for (int i = 0; i < N; i++) { 3816 ActiveAdmin admin = admins.get(i); 3817 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3818 continue; 3819 } 3820 if (length < admin.minimumPasswordMetrics.nonLetter) { 3821 length = admin.minimumPasswordMetrics.nonLetter; 3822 } 3823 } 3824 return length; 3825 } 3826 } 3827 3828 @Override 3829 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3830 if (!mHasFeature) { 3831 return true; 3832 } 3833 enforceFullCrossUsersPermission(userHandle); 3834 3835 synchronized (this) { 3836 // This API can only be called by an active device admin, 3837 // so try to retrieve it to check that the caller is one. 3838 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3839 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3840 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 3841 } 3842 } 3843 3844 @Override 3845 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 3846 if (!mHasFeature) { 3847 return true; 3848 } 3849 enforceFullCrossUsersPermission(userHandle); 3850 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 3851 3852 synchronized (this) { 3853 int targetUser = getProfileParentId(userHandle); 3854 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 3855 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 3856 } 3857 } 3858 3859 private boolean isActivePasswordSufficientForUserLocked( 3860 DevicePolicyData policy, int userHandle, boolean parent) { 3861 enforceUserUnlocked(userHandle, parent); 3862 3863 final int requiredPasswordQuality = getPasswordQuality(null, userHandle, parent); 3864 if (policy.mActivePasswordMetrics.quality < requiredPasswordQuality) { 3865 return false; 3866 } 3867 if (requiredPasswordQuality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC 3868 && policy.mActivePasswordMetrics.length < getPasswordMinimumLength( 3869 null, userHandle, parent)) { 3870 return false; 3871 } 3872 if (requiredPasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3873 return true; 3874 } 3875 return policy.mActivePasswordMetrics.upperCase >= getPasswordMinimumUpperCase( 3876 null, userHandle, parent) 3877 && policy.mActivePasswordMetrics.lowerCase >= getPasswordMinimumLowerCase( 3878 null, userHandle, parent) 3879 && policy.mActivePasswordMetrics.letters >= getPasswordMinimumLetters( 3880 null, userHandle, parent) 3881 && policy.mActivePasswordMetrics.numeric >= getPasswordMinimumNumeric( 3882 null, userHandle, parent) 3883 && policy.mActivePasswordMetrics.symbols >= getPasswordMinimumSymbols( 3884 null, userHandle, parent) 3885 && policy.mActivePasswordMetrics.nonLetter >= getPasswordMinimumNonLetter( 3886 null, userHandle, parent); 3887 } 3888 3889 @Override 3890 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 3891 enforceFullCrossUsersPermission(userHandle); 3892 synchronized (this) { 3893 if (!isCallerWithSystemUid()) { 3894 // This API can only be called by an active device admin, 3895 // so try to retrieve it to check that the caller is one. 3896 getActiveAdminForCallerLocked( 3897 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3898 } 3899 3900 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3901 3902 return policy.mFailedPasswordAttempts; 3903 } 3904 } 3905 3906 @Override 3907 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 3908 if (!mHasFeature) { 3909 return; 3910 } 3911 Preconditions.checkNotNull(who, "ComponentName is null"); 3912 synchronized (this) { 3913 // This API can only be called by an active device admin, 3914 // so try to retrieve it to check that the caller is one. 3915 getActiveAdminForCallerLocked( 3916 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 3917 ActiveAdmin ap = getActiveAdminForCallerLocked( 3918 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3919 if (ap.maximumFailedPasswordsForWipe != num) { 3920 ap.maximumFailedPasswordsForWipe = num; 3921 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3922 } 3923 } 3924 } 3925 3926 @Override 3927 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 3928 if (!mHasFeature) { 3929 return 0; 3930 } 3931 enforceFullCrossUsersPermission(userHandle); 3932 synchronized (this) { 3933 ActiveAdmin admin = (who != null) 3934 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 3935 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 3936 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 3937 } 3938 } 3939 3940 @Override 3941 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 3942 if (!mHasFeature) { 3943 return UserHandle.USER_NULL; 3944 } 3945 enforceFullCrossUsersPermission(userHandle); 3946 synchronized (this) { 3947 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 3948 userHandle, parent); 3949 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 3950 } 3951 } 3952 3953 /** 3954 * Returns the admin with the strictest policy on maximum failed passwords for: 3955 * <ul> 3956 * <li>this user if it has a separate profile challenge, or 3957 * <li>this user and all profiles that don't have their own challenge otherwise. 3958 * </ul> 3959 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 3960 * the primary profile. 3961 * Returns {@code null} if no participating admin has that policy set. 3962 */ 3963 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 3964 int userHandle, boolean parent) { 3965 int count = 0; 3966 ActiveAdmin strictestAdmin = null; 3967 3968 // Return the strictest policy across all participating admins. 3969 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3970 final int N = admins.size(); 3971 for (int i = 0; i < N; i++) { 3972 ActiveAdmin admin = admins.get(i); 3973 if (admin.maximumFailedPasswordsForWipe == 3974 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 3975 continue; // No max number of failed passwords policy set for this profile. 3976 } 3977 3978 // We always favor the primary profile if several profiles have the same value set. 3979 int userId = admin.getUserHandle().getIdentifier(); 3980 if (count == 0 || 3981 count > admin.maximumFailedPasswordsForWipe || 3982 (count == admin.maximumFailedPasswordsForWipe && 3983 getUserInfo(userId).isPrimary())) { 3984 count = admin.maximumFailedPasswordsForWipe; 3985 strictestAdmin = admin; 3986 } 3987 } 3988 return strictestAdmin; 3989 } 3990 3991 private UserInfo getUserInfo(@UserIdInt int userId) { 3992 final long token = mInjector.binderClearCallingIdentity(); 3993 try { 3994 return mUserManager.getUserInfo(userId); 3995 } finally { 3996 mInjector.binderRestoreCallingIdentity(token); 3997 } 3998 } 3999 4000 @Override 4001 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 4002 if (!mHasFeature) { 4003 return false; 4004 } 4005 final int callingUid = mInjector.binderGetCallingUid(); 4006 final int userHandle = mInjector.userHandleGetCallingUserId(); 4007 4008 String password = passwordOrNull != null ? passwordOrNull : ""; 4009 4010 // Password resetting to empty/null is not allowed for managed profiles. 4011 if (TextUtils.isEmpty(password)) { 4012 enforceNotManagedProfile(userHandle, "clear the active password"); 4013 } 4014 4015 int quality; 4016 synchronized (this) { 4017 // If caller has PO (or DO) it can change the password, so see if that's the case first. 4018 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 4019 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 4020 final boolean preN; 4021 if (admin != null) { 4022 preN = getTargetSdk(admin.info.getPackageName(), 4023 userHandle) <= android.os.Build.VERSION_CODES.M; 4024 } else { 4025 // Otherwise, make sure the caller has any active admin with the right policy. 4026 admin = getActiveAdminForCallerLocked(null, 4027 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 4028 preN = getTargetSdk(admin.info.getPackageName(), 4029 userHandle) <= android.os.Build.VERSION_CODES.M; 4030 4031 // As of N, password resetting to empty/null is not allowed anymore. 4032 // TODO Should we allow DO/PO to set an empty password? 4033 if (TextUtils.isEmpty(password)) { 4034 if (!preN) { 4035 throw new SecurityException("Cannot call with null password"); 4036 } else { 4037 Slog.e(LOG_TAG, "Cannot call with null password"); 4038 return false; 4039 } 4040 } 4041 // As of N, password cannot be changed by the admin if it is already set. 4042 if (isLockScreenSecureUnchecked(userHandle)) { 4043 if (!preN) { 4044 throw new SecurityException("Admin cannot change current password"); 4045 } else { 4046 Slog.e(LOG_TAG, "Admin cannot change current password"); 4047 return false; 4048 } 4049 } 4050 } 4051 // Do not allow to reset password when current user has a managed profile 4052 if (!isManagedProfile(userHandle)) { 4053 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4054 if (userInfo.isManagedProfile()) { 4055 if (!preN) { 4056 throw new IllegalStateException( 4057 "Cannot reset password on user has managed profile"); 4058 } else { 4059 Slog.e(LOG_TAG, "Cannot reset password on user has managed profile"); 4060 return false; 4061 } 4062 } 4063 } 4064 } 4065 // Do not allow to reset password when user is locked 4066 if (!mUserManager.isUserUnlocked(userHandle)) { 4067 if (!preN) { 4068 throw new IllegalStateException("Cannot reset password when user is locked"); 4069 } else { 4070 Slog.e(LOG_TAG, "Cannot reset password when user is locked"); 4071 return false; 4072 } 4073 } 4074 4075 quality = getPasswordQuality(null, userHandle, /* parent */ false); 4076 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 4077 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 4078 } 4079 final PasswordMetrics metrics = PasswordMetrics.computeForPassword(password); 4080 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 4081 final int realQuality = metrics.quality; 4082 if (realQuality < quality 4083 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4084 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 4085 + Integer.toHexString(realQuality) 4086 + " does not meet required quality 0x" 4087 + Integer.toHexString(quality)); 4088 return false; 4089 } 4090 quality = Math.max(realQuality, quality); 4091 } 4092 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 4093 if (password.length() < length) { 4094 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 4095 + " does not meet required length " + length); 4096 return false; 4097 } 4098 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4099 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 4100 if(metrics.letters < neededLetters) { 4101 Slog.w(LOG_TAG, "resetPassword: number of letters " + metrics.letters 4102 + " does not meet required number of letters " + neededLetters); 4103 return false; 4104 } 4105 int neededNumeric = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 4106 if (metrics.numeric < neededNumeric) { 4107 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + metrics.numeric 4108 + " does not meet required number of numerical digits " 4109 + neededNumeric); 4110 return false; 4111 } 4112 int neededLowerCase = getPasswordMinimumLowerCase( 4113 null, userHandle, /* parent */ false); 4114 if (metrics.lowerCase < neededLowerCase) { 4115 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " 4116 + metrics.lowerCase 4117 + " does not meet required number of lowercase letters " 4118 + neededLowerCase); 4119 return false; 4120 } 4121 int neededUpperCase = getPasswordMinimumUpperCase( 4122 null, userHandle, /* parent */ false); 4123 if (metrics.upperCase < neededUpperCase) { 4124 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " 4125 + metrics.upperCase 4126 + " does not meet required number of uppercase letters " 4127 + neededUpperCase); 4128 return false; 4129 } 4130 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 4131 if (metrics.symbols < neededSymbols) { 4132 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + metrics.symbols 4133 + " does not meet required number of special symbols " + neededSymbols); 4134 return false; 4135 } 4136 int neededNonLetter = getPasswordMinimumNonLetter( 4137 null, userHandle, /* parent */ false); 4138 if (metrics.nonLetter < neededNonLetter) { 4139 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " 4140 + metrics.nonLetter 4141 + " does not meet required number of non-letter characters " 4142 + neededNonLetter); 4143 return false; 4144 } 4145 } 4146 } 4147 4148 DevicePolicyData policy = getUserData(userHandle); 4149 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 4150 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 4151 return false; 4152 } 4153 4154 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 4155 boolean doNotAskCredentialsOnBoot = 4156 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 4157 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 4158 setDoNotAskCredentialsOnBoot(); 4159 } 4160 4161 // Don't do this with the lock held, because it is going to call 4162 // back in to the service. 4163 final long ident = mInjector.binderClearCallingIdentity(); 4164 try { 4165 if (!TextUtils.isEmpty(password)) { 4166 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 4167 } else { 4168 mLockPatternUtils.clearLock(userHandle); 4169 } 4170 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 4171 if (requireEntry) { 4172 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 4173 UserHandle.USER_ALL); 4174 } 4175 synchronized (this) { 4176 int newOwner = requireEntry ? callingUid : -1; 4177 if (policy.mPasswordOwner != newOwner) { 4178 policy.mPasswordOwner = newOwner; 4179 saveSettingsLocked(userHandle); 4180 } 4181 } 4182 } finally { 4183 mInjector.binderRestoreCallingIdentity(ident); 4184 } 4185 4186 return true; 4187 } 4188 4189 private boolean isLockScreenSecureUnchecked(int userId) { 4190 long ident = mInjector.binderClearCallingIdentity(); 4191 try { 4192 return mLockPatternUtils.isSecure(userId); 4193 } finally { 4194 mInjector.binderRestoreCallingIdentity(ident); 4195 } 4196 } 4197 4198 private void setDoNotAskCredentialsOnBoot() { 4199 synchronized (this) { 4200 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4201 if (!policyData.doNotAskCredentialsOnBoot) { 4202 policyData.doNotAskCredentialsOnBoot = true; 4203 saveSettingsLocked(UserHandle.USER_SYSTEM); 4204 } 4205 } 4206 } 4207 4208 @Override 4209 public boolean getDoNotAskCredentialsOnBoot() { 4210 mContext.enforceCallingOrSelfPermission( 4211 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 4212 synchronized (this) { 4213 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4214 return policyData.doNotAskCredentialsOnBoot; 4215 } 4216 } 4217 4218 @Override 4219 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 4220 if (!mHasFeature) { 4221 return; 4222 } 4223 Preconditions.checkNotNull(who, "ComponentName is null"); 4224 final int userHandle = mInjector.userHandleGetCallingUserId(); 4225 synchronized (this) { 4226 ActiveAdmin ap = getActiveAdminForCallerLocked( 4227 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4228 if (ap.maximumTimeToUnlock != timeMs) { 4229 ap.maximumTimeToUnlock = timeMs; 4230 saveSettingsLocked(userHandle); 4231 updateMaximumTimeToLockLocked(userHandle); 4232 } 4233 } 4234 } 4235 4236 void updateMaximumTimeToLockLocked(int userHandle) { 4237 // Calculate the min timeout for all profiles - including the ones with a separate 4238 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 4239 // challenge only and keep the screen on. However there is no easy way of doing that at the 4240 // moment so we set the screen off timeout regardless of whether it affects the parent user 4241 // or the profile challenge only. 4242 long timeMs = Long.MAX_VALUE; 4243 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 4244 for (int profileId : profileIds) { 4245 DevicePolicyData policy = getUserDataUnchecked(profileId); 4246 final int N = policy.mAdminList.size(); 4247 for (int i = 0; i < N; i++) { 4248 ActiveAdmin admin = policy.mAdminList.get(i); 4249 if (admin.maximumTimeToUnlock > 0 4250 && timeMs > admin.maximumTimeToUnlock) { 4251 timeMs = admin.maximumTimeToUnlock; 4252 } 4253 // If userInfo.id is a managed profile, we also need to look at 4254 // the policies set on the parent. 4255 if (admin.hasParentActiveAdmin()) { 4256 final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); 4257 if (parentAdmin.maximumTimeToUnlock > 0 4258 && timeMs > parentAdmin.maximumTimeToUnlock) { 4259 timeMs = parentAdmin.maximumTimeToUnlock; 4260 } 4261 } 4262 } 4263 } 4264 4265 // We only store the last maximum time to lock on the parent profile. So if calling from a 4266 // managed profile, retrieve the policy for the parent. 4267 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 4268 if (policy.mLastMaximumTimeToLock == timeMs) { 4269 return; 4270 } 4271 policy.mLastMaximumTimeToLock = timeMs; 4272 4273 final long ident = mInjector.binderClearCallingIdentity(); 4274 try { 4275 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 4276 // Make sure KEEP_SCREEN_ON is disabled, since that 4277 // would allow bypassing of the maximum time to lock. 4278 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 4279 } 4280 4281 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 4282 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 4283 } finally { 4284 mInjector.binderRestoreCallingIdentity(ident); 4285 } 4286 } 4287 4288 @Override 4289 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 4290 if (!mHasFeature) { 4291 return 0; 4292 } 4293 enforceFullCrossUsersPermission(userHandle); 4294 synchronized (this) { 4295 if (who != null) { 4296 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4297 return admin != null ? admin.maximumTimeToUnlock : 0; 4298 } 4299 // Return the strictest policy across all participating admins. 4300 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4301 userHandle, parent); 4302 return getMaximumTimeToLockPolicyFromAdmins(admins); 4303 } 4304 } 4305 4306 @Override 4307 public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { 4308 if (!mHasFeature) { 4309 return 0; 4310 } 4311 enforceFullCrossUsersPermission(userHandle); 4312 synchronized (this) { 4313 // All admins for this user. 4314 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 4315 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4316 DevicePolicyData policy = getUserData(userInfo.id); 4317 admins.addAll(policy.mAdminList); 4318 // If it is a managed profile, it may have parent active admins 4319 if (userInfo.isManagedProfile()) { 4320 for (ActiveAdmin admin : policy.mAdminList) { 4321 if (admin.hasParentActiveAdmin()) { 4322 admins.add(admin.getParentActiveAdmin()); 4323 } 4324 } 4325 } 4326 } 4327 return getMaximumTimeToLockPolicyFromAdmins(admins); 4328 } 4329 } 4330 4331 private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { 4332 long time = 0; 4333 final int N = admins.size(); 4334 for (int i = 0; i < N; i++) { 4335 ActiveAdmin admin = admins.get(i); 4336 if (time == 0) { 4337 time = admin.maximumTimeToUnlock; 4338 } else if (admin.maximumTimeToUnlock != 0 4339 && time > admin.maximumTimeToUnlock) { 4340 time = admin.maximumTimeToUnlock; 4341 } 4342 } 4343 return time; 4344 } 4345 4346 @Override 4347 public void setRequiredStrongAuthTimeout(ComponentName who, long timeoutMs, 4348 boolean parent) { 4349 if (!mHasFeature) { 4350 return; 4351 } 4352 Preconditions.checkNotNull(who, "ComponentName is null"); 4353 Preconditions.checkArgument(timeoutMs >= 0, "Timeout must not be a negative number."); 4354 // timeoutMs with value 0 means that the admin doesn't participate 4355 // timeoutMs is clamped to the interval in case the internal constants change in the future 4356 if (timeoutMs != 0 && timeoutMs < MINIMUM_STRONG_AUTH_TIMEOUT_MS) { 4357 timeoutMs = MINIMUM_STRONG_AUTH_TIMEOUT_MS; 4358 } 4359 if (timeoutMs > DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 4360 timeoutMs = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4361 } 4362 4363 final int userHandle = mInjector.userHandleGetCallingUserId(); 4364 synchronized (this) { 4365 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4366 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, parent); 4367 if (ap.strongAuthUnlockTimeout != timeoutMs) { 4368 ap.strongAuthUnlockTimeout = timeoutMs; 4369 saveSettingsLocked(userHandle); 4370 } 4371 } 4372 } 4373 4374 /** 4375 * Return a single admin's strong auth unlock timeout or minimum value (strictest) of all 4376 * admins if who is null. 4377 * Returns 0 if not configured for the provided admin. 4378 */ 4379 @Override 4380 public long getRequiredStrongAuthTimeout(ComponentName who, int userId, boolean parent) { 4381 if (!mHasFeature) { 4382 return DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4383 } 4384 enforceFullCrossUsersPermission(userId); 4385 synchronized (this) { 4386 if (who != null) { 4387 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userId, parent); 4388 return admin != null ? admin.strongAuthUnlockTimeout : 0; 4389 } 4390 4391 // Return the strictest policy across all participating admins. 4392 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userId, parent); 4393 4394 long strongAuthUnlockTimeout = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4395 for (int i = 0; i < admins.size(); i++) { 4396 final long timeout = admins.get(i).strongAuthUnlockTimeout; 4397 if (timeout != 0) { // take only participating admins into account 4398 strongAuthUnlockTimeout = Math.min(timeout, strongAuthUnlockTimeout); 4399 } 4400 } 4401 return Math.max(strongAuthUnlockTimeout, MINIMUM_STRONG_AUTH_TIMEOUT_MS); 4402 } 4403 } 4404 4405 @Override 4406 public void lockNow(boolean parent) { 4407 if (!mHasFeature) { 4408 return; 4409 } 4410 synchronized (this) { 4411 // This API can only be called by an active device admin, 4412 // so try to retrieve it to check that the caller is one. 4413 getActiveAdminForCallerLocked( 4414 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4415 4416 int userToLock = mInjector.userHandleGetCallingUserId(); 4417 4418 // Unless this is a managed profile with work challenge enabled, lock all users. 4419 if (parent || !isSeparateProfileChallengeEnabled(userToLock)) { 4420 userToLock = UserHandle.USER_ALL; 4421 } 4422 final long ident = mInjector.binderClearCallingIdentity(); 4423 try { 4424 mLockPatternUtils.requireStrongAuth( 4425 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 4426 if (userToLock == UserHandle.USER_ALL) { 4427 // Power off the display 4428 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 4429 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 4430 mInjector.getIWindowManager().lockNow(null); 4431 } 4432 } catch (RemoteException e) { 4433 } finally { 4434 mInjector.binderRestoreCallingIdentity(ident); 4435 } 4436 } 4437 } 4438 4439 @Override 4440 public void enforceCanManageCaCerts(ComponentName who) { 4441 if (who == null) { 4442 if (!isCallerDelegatedCertInstaller()) { 4443 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4444 } 4445 } else { 4446 synchronized (this) { 4447 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4448 } 4449 } 4450 } 4451 4452 private void enforceCanManageInstalledKeys(ComponentName who) { 4453 if (who == null) { 4454 if (!isCallerDelegatedCertInstaller()) { 4455 throw new SecurityException("who == null, but caller is not cert installer"); 4456 } 4457 } else { 4458 synchronized (this) { 4459 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4460 } 4461 } 4462 } 4463 4464 private boolean isCallerDelegatedCertInstaller() { 4465 final int callingUid = mInjector.binderGetCallingUid(); 4466 final int userHandle = UserHandle.getUserId(callingUid); 4467 synchronized (this) { 4468 final DevicePolicyData policy = getUserData(userHandle); 4469 if (policy.mDelegatedCertInstallerPackage == null) { 4470 return false; 4471 } 4472 4473 try { 4474 int uid = mInjector.getPackageManager().getPackageUidAsUser( 4475 policy.mDelegatedCertInstallerPackage, userHandle); 4476 return uid == callingUid; 4477 } catch (NameNotFoundException e) { 4478 return false; 4479 } 4480 } 4481 } 4482 4483 @Override 4484 public boolean approveCaCert(String alias, int userId, boolean approval) { 4485 enforceManageUsers(); 4486 synchronized (this) { 4487 Set<String> certs = getUserData(userId).mAcceptedCaCertificates; 4488 boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); 4489 if (!changed) { 4490 return false; 4491 } 4492 saveSettingsLocked(userId); 4493 } 4494 new MonitoringCertNotificationTask().execute(userId); 4495 return true; 4496 } 4497 4498 @Override 4499 public boolean isCaCertApproved(String alias, int userId) { 4500 enforceManageUsers(); 4501 synchronized (this) { 4502 return getUserData(userId).mAcceptedCaCertificates.contains(alias); 4503 } 4504 } 4505 4506 private void removeCaApprovalsIfNeeded(int userId) { 4507 for (UserInfo userInfo : mUserManager.getProfiles(userId)) { 4508 boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); 4509 if (userInfo.isManagedProfile()){ 4510 isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); 4511 } 4512 if (!isSecure) { 4513 synchronized (this) { 4514 getUserData(userInfo.id).mAcceptedCaCertificates.clear(); 4515 saveSettingsLocked(userInfo.id); 4516 } 4517 4518 new MonitoringCertNotificationTask().execute(userInfo.id); 4519 } 4520 } 4521 } 4522 4523 @Override 4524 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 4525 enforceCanManageCaCerts(admin); 4526 4527 byte[] pemCert; 4528 try { 4529 X509Certificate cert = parseCert(certBuffer); 4530 pemCert = Credentials.convertToPem(cert); 4531 } catch (CertificateException ce) { 4532 Log.e(LOG_TAG, "Problem converting cert", ce); 4533 return false; 4534 } catch (IOException ioe) { 4535 Log.e(LOG_TAG, "Problem reading cert", ioe); 4536 return false; 4537 } 4538 4539 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4540 final long id = mInjector.binderClearCallingIdentity(); 4541 try { 4542 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4543 try { 4544 keyChainConnection.getService().installCaCertificate(pemCert); 4545 return true; 4546 } catch (RemoteException e) { 4547 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 4548 } finally { 4549 keyChainConnection.close(); 4550 } 4551 } catch (InterruptedException e1) { 4552 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 4553 Thread.currentThread().interrupt(); 4554 } finally { 4555 mInjector.binderRestoreCallingIdentity(id); 4556 } 4557 return false; 4558 } 4559 4560 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 4561 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 4562 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 4563 certBuffer)); 4564 } 4565 4566 @Override 4567 public void uninstallCaCerts(ComponentName admin, String[] aliases) { 4568 enforceCanManageCaCerts(admin); 4569 4570 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4571 final long id = mInjector.binderClearCallingIdentity(); 4572 try { 4573 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4574 try { 4575 for (int i = 0 ; i < aliases.length; i++) { 4576 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 4577 } 4578 } catch (RemoteException e) { 4579 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 4580 } finally { 4581 keyChainConnection.close(); 4582 } 4583 } catch (InterruptedException ie) { 4584 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 4585 Thread.currentThread().interrupt(); 4586 } finally { 4587 mInjector.binderRestoreCallingIdentity(id); 4588 } 4589 } 4590 4591 @Override 4592 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, byte[] chain, 4593 String alias, boolean requestAccess) { 4594 enforceCanManageInstalledKeys(who); 4595 4596 final int callingUid = mInjector.binderGetCallingUid(); 4597 final long id = mInjector.binderClearCallingIdentity(); 4598 try { 4599 final KeyChainConnection keyChainConnection = 4600 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4601 try { 4602 IKeyChainService keyChain = keyChainConnection.getService(); 4603 if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { 4604 return false; 4605 } 4606 if (requestAccess) { 4607 keyChain.setGrant(callingUid, alias, true); 4608 } 4609 return true; 4610 } catch (RemoteException e) { 4611 Log.e(LOG_TAG, "Installing certificate", e); 4612 } finally { 4613 keyChainConnection.close(); 4614 } 4615 } catch (InterruptedException e) { 4616 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4617 Thread.currentThread().interrupt(); 4618 } finally { 4619 mInjector.binderRestoreCallingIdentity(id); 4620 } 4621 return false; 4622 } 4623 4624 @Override 4625 public boolean removeKeyPair(ComponentName who, String alias) { 4626 enforceCanManageInstalledKeys(who); 4627 4628 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4629 final long id = Binder.clearCallingIdentity(); 4630 try { 4631 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4632 try { 4633 IKeyChainService keyChain = keyChainConnection.getService(); 4634 return keyChain.removeKeyPair(alias); 4635 } catch (RemoteException e) { 4636 Log.e(LOG_TAG, "Removing keypair", e); 4637 } finally { 4638 keyChainConnection.close(); 4639 } 4640 } catch (InterruptedException e) { 4641 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4642 Thread.currentThread().interrupt(); 4643 } finally { 4644 Binder.restoreCallingIdentity(id); 4645 } 4646 return false; 4647 } 4648 4649 @Override 4650 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4651 final IBinder response) { 4652 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4653 if (!isCallerWithSystemUid()) { 4654 return; 4655 } 4656 4657 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4658 // If there is a profile owner, redirect to that; otherwise query the device owner. 4659 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4660 if (aliasChooser == null && caller.isSystem()) { 4661 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4662 if (deviceOwnerAdmin != null) { 4663 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4664 } 4665 } 4666 if (aliasChooser == null) { 4667 sendPrivateKeyAliasResponse(null, response); 4668 return; 4669 } 4670 4671 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4672 intent.setComponent(aliasChooser); 4673 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4674 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4675 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4676 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4677 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4678 4679 final long id = mInjector.binderClearCallingIdentity(); 4680 try { 4681 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4682 @Override 4683 public void onReceive(Context context, Intent intent) { 4684 final String chosenAlias = getResultData(); 4685 sendPrivateKeyAliasResponse(chosenAlias, response); 4686 } 4687 }, null, Activity.RESULT_OK, null, null); 4688 } finally { 4689 mInjector.binderRestoreCallingIdentity(id); 4690 } 4691 } 4692 4693 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4694 final IKeyChainAliasCallback keyChainAliasResponse = 4695 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4696 new AsyncTask<Void, Void, Void>() { 4697 @Override 4698 protected Void doInBackground(Void... unused) { 4699 try { 4700 keyChainAliasResponse.alias(alias); 4701 } catch (Exception e) { 4702 // Catch everything (not just RemoteException): caller could throw a 4703 // RuntimeException back across processes. 4704 Log.e(LOG_TAG, "error while responding to callback", e); 4705 } 4706 return null; 4707 } 4708 }.execute(); 4709 } 4710 4711 @Override 4712 public void setCertInstallerPackage(ComponentName who, String installerPackage) 4713 throws SecurityException { 4714 int userHandle = UserHandle.getCallingUserId(); 4715 synchronized (this) { 4716 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4717 if (getTargetSdk(who.getPackageName(), userHandle) >= Build.VERSION_CODES.N) { 4718 if (installerPackage != null && 4719 !isPackageInstalledForUser(installerPackage, userHandle)) { 4720 throw new IllegalArgumentException("Package " + installerPackage 4721 + " is not installed on the current user"); 4722 } 4723 } 4724 DevicePolicyData policy = getUserData(userHandle); 4725 policy.mDelegatedCertInstallerPackage = installerPackage; 4726 saveSettingsLocked(userHandle); 4727 } 4728 } 4729 4730 @Override 4731 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 4732 int userHandle = UserHandle.getCallingUserId(); 4733 synchronized (this) { 4734 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4735 DevicePolicyData policy = getUserData(userHandle); 4736 return policy.mDelegatedCertInstallerPackage; 4737 } 4738 } 4739 4740 /** 4741 * @return {@code true} if the package is installed and set as always-on, {@code false} if it is 4742 * not installed and therefore not available. 4743 * 4744 * @throws SecurityException if the caller is not a profile or device owner. 4745 * @throws UnsupportedOperationException if the package does not support being set as always-on. 4746 */ 4747 @Override 4748 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) 4749 throws SecurityException { 4750 synchronized (this) { 4751 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4752 } 4753 4754 final int userId = mInjector.userHandleGetCallingUserId(); 4755 final long token = mInjector.binderClearCallingIdentity(); 4756 try { 4757 if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { 4758 return false; 4759 } 4760 ConnectivityManager connectivityManager = (ConnectivityManager) 4761 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4762 if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { 4763 throw new UnsupportedOperationException(); 4764 } 4765 } finally { 4766 mInjector.binderRestoreCallingIdentity(token); 4767 } 4768 return true; 4769 } 4770 4771 @Override 4772 public String getAlwaysOnVpnPackage(ComponentName admin) 4773 throws SecurityException { 4774 synchronized (this) { 4775 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4776 } 4777 4778 final int userId = mInjector.userHandleGetCallingUserId(); 4779 final long token = mInjector.binderClearCallingIdentity(); 4780 try{ 4781 ConnectivityManager connectivityManager = (ConnectivityManager) 4782 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4783 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 4784 } finally { 4785 mInjector.binderRestoreCallingIdentity(token); 4786 } 4787 } 4788 4789 private void wipeDataLocked(boolean wipeExtRequested, String reason, boolean force) { 4790 if (wipeExtRequested) { 4791 StorageManager sm = (StorageManager) mContext.getSystemService( 4792 Context.STORAGE_SERVICE); 4793 sm.wipeAdoptableDisks(); 4794 } 4795 try { 4796 RecoverySystem.rebootWipeUserData(mContext, false /* shutdown */, reason, force); 4797 } catch (IOException | SecurityException e) { 4798 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 4799 } 4800 } 4801 4802 @Override 4803 public void wipeData(int flags) { 4804 if (!mHasFeature) { 4805 return; 4806 } 4807 final int userHandle = mInjector.userHandleGetCallingUserId(); 4808 enforceFullCrossUsersPermission(userHandle); 4809 synchronized (this) { 4810 // This API can only be called by an active device admin, 4811 // so try to retrieve it to check that the caller is one. 4812 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 4813 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 4814 4815 final String source = admin.info.getComponent().flattenToShortString(); 4816 4817 long ident = mInjector.binderClearCallingIdentity(); 4818 try { 4819 final String restriction; 4820 if (userHandle == UserHandle.USER_SYSTEM) { 4821 restriction = UserManager.DISALLOW_FACTORY_RESET; 4822 } else if (isManagedProfile(userHandle)) { 4823 restriction = UserManager.DISALLOW_REMOVE_MANAGED_PROFILE; 4824 } else { 4825 restriction = UserManager.DISALLOW_REMOVE_USER; 4826 } 4827 if (isAdminAffectedByRestriction( 4828 admin.info.getComponent(), restriction, userHandle)) { 4829 throw new SecurityException("Cannot wipe data. " + restriction 4830 + " restriction is set for user " + userHandle); 4831 } 4832 4833 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 4834 if (!isDeviceOwner(admin.info.getComponent(), userHandle)) { 4835 throw new SecurityException( 4836 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 4837 } 4838 PersistentDataBlockManager manager = (PersistentDataBlockManager) 4839 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 4840 if (manager != null) { 4841 manager.wipe(); 4842 } 4843 } 4844 4845 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 4846 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 4847 "DevicePolicyManager.wipeData() from " + source, /*force=*/ true); 4848 } finally { 4849 mInjector.binderRestoreCallingIdentity(ident); 4850 } 4851 } 4852 } 4853 4854 private void wipeDeviceOrUserLocked( 4855 boolean wipeExtRequested, final int userHandle, String reason, boolean force) { 4856 // TODO If split user is enabled and the device owner is set in the primary user (rather 4857 // than system), we should probably trigger factory reset. Current code just remove 4858 // that user (but still clears FRP...) 4859 if (userHandle == UserHandle.USER_SYSTEM) { 4860 wipeDataLocked(wipeExtRequested, reason, force); 4861 } else { 4862 mHandler.post(new Runnable() { 4863 @Override 4864 public void run() { 4865 try { 4866 IActivityManager am = mInjector.getIActivityManager(); 4867 if (am.getCurrentUser().id == userHandle) { 4868 am.switchUser(UserHandle.USER_SYSTEM); 4869 } 4870 4871 boolean userRemoved = force 4872 ? mUserManagerInternal.removeUserEvenWhenDisallowed(userHandle) 4873 : mUserManager.removeUser(userHandle); 4874 if (!userRemoved) { 4875 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 4876 } else if (isManagedProfile(userHandle)) { 4877 sendWipeProfileNotification(); 4878 } 4879 } catch (RemoteException re) { 4880 // Shouldn't happen 4881 } 4882 } 4883 }); 4884 } 4885 } 4886 4887 private void sendWipeProfileNotification() { 4888 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 4889 Notification notification = new Notification.Builder(mContext) 4890 .setSmallIcon(android.R.drawable.stat_sys_warning) 4891 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 4892 .setContentText(contentText) 4893 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 4894 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 4895 .build(); 4896 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 4897 } 4898 4899 private void clearWipeProfileNotification() { 4900 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 4901 } 4902 4903 @Override 4904 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 4905 if (!mHasFeature) { 4906 return; 4907 } 4908 enforceFullCrossUsersPermission(userHandle); 4909 mContext.enforceCallingOrSelfPermission( 4910 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4911 4912 synchronized (this) { 4913 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 4914 if (admin == null) { 4915 result.sendResult(null); 4916 return; 4917 } 4918 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 4919 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4920 intent.setComponent(admin.info.getComponent()); 4921 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 4922 null, new BroadcastReceiver() { 4923 @Override 4924 public void onReceive(Context context, Intent intent) { 4925 result.sendResult(getResultExtras(false)); 4926 } 4927 }, null, Activity.RESULT_OK, null, null); 4928 } 4929 } 4930 4931 @Override 4932 public void setActivePasswordState(PasswordMetrics metrics, int userHandle) { 4933 if (!mHasFeature) { 4934 return; 4935 } 4936 enforceFullCrossUsersPermission(userHandle); 4937 mContext.enforceCallingOrSelfPermission( 4938 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4939 4940 // If the managed profile doesn't have a separate password, set the metrics to default 4941 if (isManagedProfile(userHandle) && !isSeparateProfileChallengeEnabled(userHandle)) { 4942 metrics = new PasswordMetrics(); 4943 } 4944 4945 validateQualityConstant(metrics.quality); 4946 DevicePolicyData policy = getUserData(userHandle); 4947 synchronized (this) { 4948 policy.mActivePasswordMetrics = metrics; 4949 } 4950 } 4951 4952 @Override 4953 public void reportPasswordChanged(@UserIdInt int userId) { 4954 if (!mHasFeature) { 4955 return; 4956 } 4957 enforceFullCrossUsersPermission(userId); 4958 4959 // Managed Profile password can only be changed when it has a separate challenge. 4960 if (!isSeparateProfileChallengeEnabled(userId)) { 4961 enforceNotManagedProfile(userId, "set the active password"); 4962 } 4963 4964 mContext.enforceCallingOrSelfPermission( 4965 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4966 4967 DevicePolicyData policy = getUserData(userId); 4968 4969 long ident = mInjector.binderClearCallingIdentity(); 4970 try { 4971 synchronized (this) { 4972 policy.mFailedPasswordAttempts = 0; 4973 saveSettingsLocked(userId); 4974 updatePasswordExpirationsLocked(userId); 4975 setExpirationAlarmCheckLocked(mContext, userId, /* parent */ false); 4976 4977 // Send a broadcast to each profile using this password as its primary unlock. 4978 sendAdminCommandForLockscreenPoliciesLocked( 4979 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 4980 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userId); 4981 } 4982 removeCaApprovalsIfNeeded(userId); 4983 } finally { 4984 mInjector.binderRestoreCallingIdentity(ident); 4985 } 4986 } 4987 4988 /** 4989 * Called any time the device password is updated. Resets all password expiration clocks. 4990 */ 4991 private void updatePasswordExpirationsLocked(int userHandle) { 4992 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 4993 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4994 userHandle, /* parent */ false); 4995 final int N = admins.size(); 4996 for (int i = 0; i < N; i++) { 4997 ActiveAdmin admin = admins.get(i); 4998 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 4999 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 5000 long timeout = admin.passwordExpirationTimeout; 5001 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 5002 admin.passwordExpirationDate = expiration; 5003 } 5004 } 5005 for (int affectedUserId : affectedUserIds) { 5006 saveSettingsLocked(affectedUserId); 5007 } 5008 } 5009 5010 @Override 5011 public void reportFailedPasswordAttempt(int userHandle) { 5012 enforceFullCrossUsersPermission(userHandle); 5013 if (!isSeparateProfileChallengeEnabled(userHandle)) { 5014 enforceNotManagedProfile(userHandle, 5015 "report failed password attempt if separate profile challenge is not in place"); 5016 } 5017 mContext.enforceCallingOrSelfPermission( 5018 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5019 5020 final long ident = mInjector.binderClearCallingIdentity(); 5021 try { 5022 boolean wipeData = false; 5023 int identifier = 0; 5024 synchronized (this) { 5025 DevicePolicyData policy = getUserData(userHandle); 5026 policy.mFailedPasswordAttempts++; 5027 saveSettingsLocked(userHandle); 5028 if (mHasFeature) { 5029 ActiveAdmin strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 5030 userHandle, /* parent */ false); 5031 int max = strictestAdmin != null 5032 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 5033 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 5034 // Wipe the user/profile associated with the policy that was violated. This 5035 // is not necessarily calling user: if the policy that fired was from a 5036 // managed profile rather than the main user profile, we wipe former only. 5037 wipeData = true; 5038 identifier = strictestAdmin.getUserHandle().getIdentifier(); 5039 } 5040 5041 sendAdminCommandForLockscreenPoliciesLocked( 5042 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 5043 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5044 } 5045 } 5046 if (wipeData) { 5047 // Call without holding lock. 5048 wipeDeviceOrUserLocked(false, identifier, 5049 "reportFailedPasswordAttempt()", false); 5050 } 5051 } finally { 5052 mInjector.binderRestoreCallingIdentity(ident); 5053 } 5054 5055 if (mInjector.securityLogIsLoggingEnabled()) { 5056 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5057 /*method strength*/ 1); 5058 } 5059 } 5060 5061 @Override 5062 public void reportSuccessfulPasswordAttempt(int userHandle) { 5063 enforceFullCrossUsersPermission(userHandle); 5064 mContext.enforceCallingOrSelfPermission( 5065 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5066 5067 synchronized (this) { 5068 DevicePolicyData policy = getUserData(userHandle); 5069 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 5070 long ident = mInjector.binderClearCallingIdentity(); 5071 try { 5072 policy.mFailedPasswordAttempts = 0; 5073 policy.mPasswordOwner = -1; 5074 saveSettingsLocked(userHandle); 5075 if (mHasFeature) { 5076 sendAdminCommandForLockscreenPoliciesLocked( 5077 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 5078 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5079 } 5080 } finally { 5081 mInjector.binderRestoreCallingIdentity(ident); 5082 } 5083 } 5084 } 5085 5086 if (mInjector.securityLogIsLoggingEnabled()) { 5087 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5088 /*method strength*/ 1); 5089 } 5090 } 5091 5092 @Override 5093 public void reportFailedFingerprintAttempt(int userHandle) { 5094 enforceFullCrossUsersPermission(userHandle); 5095 mContext.enforceCallingOrSelfPermission( 5096 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5097 if (mInjector.securityLogIsLoggingEnabled()) { 5098 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5099 /*method strength*/ 0); 5100 } 5101 } 5102 5103 @Override 5104 public void reportSuccessfulFingerprintAttempt(int userHandle) { 5105 enforceFullCrossUsersPermission(userHandle); 5106 mContext.enforceCallingOrSelfPermission( 5107 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5108 if (mInjector.securityLogIsLoggingEnabled()) { 5109 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5110 /*method strength*/ 0); 5111 } 5112 } 5113 5114 @Override 5115 public void reportKeyguardDismissed(int userHandle) { 5116 enforceFullCrossUsersPermission(userHandle); 5117 mContext.enforceCallingOrSelfPermission( 5118 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5119 5120 if (mInjector.securityLogIsLoggingEnabled()) { 5121 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 5122 } 5123 } 5124 5125 @Override 5126 public void reportKeyguardSecured(int userHandle) { 5127 enforceFullCrossUsersPermission(userHandle); 5128 mContext.enforceCallingOrSelfPermission( 5129 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5130 5131 if (mInjector.securityLogIsLoggingEnabled()) { 5132 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 5133 } 5134 } 5135 5136 @Override 5137 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 5138 String exclusionList) { 5139 if (!mHasFeature) { 5140 return null; 5141 } 5142 synchronized(this) { 5143 Preconditions.checkNotNull(who, "ComponentName is null"); 5144 5145 // Only check if system user has set global proxy. We don't allow other users to set it. 5146 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5147 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5148 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 5149 5150 // Scan through active admins and find if anyone has already 5151 // set the global proxy. 5152 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 5153 for (ComponentName component : compSet) { 5154 ActiveAdmin ap = policy.mAdminMap.get(component); 5155 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 5156 // Another admin already sets the global proxy 5157 // Return it to the caller. 5158 return component; 5159 } 5160 } 5161 5162 // If the user is not system, don't set the global proxy. Fail silently. 5163 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 5164 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 5165 + UserHandle.getCallingUserId() + " is not permitted."); 5166 return null; 5167 } 5168 if (proxySpec == null) { 5169 admin.specifiesGlobalProxy = false; 5170 admin.globalProxySpec = null; 5171 admin.globalProxyExclusionList = null; 5172 } else { 5173 5174 admin.specifiesGlobalProxy = true; 5175 admin.globalProxySpec = proxySpec; 5176 admin.globalProxyExclusionList = exclusionList; 5177 } 5178 5179 // Reset the global proxy accordingly 5180 // Do this using system permissions, as apps cannot write to secure settings 5181 long origId = mInjector.binderClearCallingIdentity(); 5182 try { 5183 resetGlobalProxyLocked(policy); 5184 } finally { 5185 mInjector.binderRestoreCallingIdentity(origId); 5186 } 5187 return null; 5188 } 5189 } 5190 5191 @Override 5192 public ComponentName getGlobalProxyAdmin(int userHandle) { 5193 if (!mHasFeature) { 5194 return null; 5195 } 5196 enforceFullCrossUsersPermission(userHandle); 5197 synchronized(this) { 5198 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5199 // Scan through active admins and find if anyone has already 5200 // set the global proxy. 5201 final int N = policy.mAdminList.size(); 5202 for (int i = 0; i < N; i++) { 5203 ActiveAdmin ap = policy.mAdminList.get(i); 5204 if (ap.specifiesGlobalProxy) { 5205 // Device admin sets the global proxy 5206 // Return it to the caller. 5207 return ap.info.getComponent(); 5208 } 5209 } 5210 } 5211 // No device admin sets the global proxy. 5212 return null; 5213 } 5214 5215 @Override 5216 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 5217 synchronized (this) { 5218 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5219 } 5220 long token = mInjector.binderClearCallingIdentity(); 5221 try { 5222 ConnectivityManager connectivityManager = (ConnectivityManager) 5223 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5224 connectivityManager.setGlobalProxy(proxyInfo); 5225 } finally { 5226 mInjector.binderRestoreCallingIdentity(token); 5227 } 5228 } 5229 5230 private void resetGlobalProxyLocked(DevicePolicyData policy) { 5231 final int N = policy.mAdminList.size(); 5232 for (int i = 0; i < N; i++) { 5233 ActiveAdmin ap = policy.mAdminList.get(i); 5234 if (ap.specifiesGlobalProxy) { 5235 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 5236 return; 5237 } 5238 } 5239 // No device admins defining global proxies - reset global proxy settings to none 5240 saveGlobalProxyLocked(null, null); 5241 } 5242 5243 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 5244 if (exclusionList == null) { 5245 exclusionList = ""; 5246 } 5247 if (proxySpec == null) { 5248 proxySpec = ""; 5249 } 5250 // Remove white spaces 5251 proxySpec = proxySpec.trim(); 5252 String data[] = proxySpec.split(":"); 5253 int proxyPort = 8080; 5254 if (data.length > 1) { 5255 try { 5256 proxyPort = Integer.parseInt(data[1]); 5257 } catch (NumberFormatException e) {} 5258 } 5259 exclusionList = exclusionList.trim(); 5260 5261 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 5262 if (!proxyProperties.isValid()) { 5263 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 5264 return; 5265 } 5266 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 5267 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 5268 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 5269 exclusionList); 5270 } 5271 5272 /** 5273 * Set the storage encryption request for a single admin. Returns the new total request 5274 * status (for all admins). 5275 */ 5276 @Override 5277 public int setStorageEncryption(ComponentName who, boolean encrypt) { 5278 if (!mHasFeature) { 5279 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5280 } 5281 Preconditions.checkNotNull(who, "ComponentName is null"); 5282 final int userHandle = UserHandle.getCallingUserId(); 5283 synchronized (this) { 5284 // Check for permissions 5285 // Only system user can set storage encryption 5286 if (userHandle != UserHandle.USER_SYSTEM) { 5287 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 5288 + UserHandle.getCallingUserId() + " is not permitted."); 5289 return 0; 5290 } 5291 5292 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5293 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 5294 5295 // Quick exit: If the filesystem does not support encryption, we can exit early. 5296 if (!isEncryptionSupported()) { 5297 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5298 } 5299 5300 // (1) Record the value for the admin so it's sticky 5301 if (ap.encryptionRequested != encrypt) { 5302 ap.encryptionRequested = encrypt; 5303 saveSettingsLocked(userHandle); 5304 } 5305 5306 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5307 // (2) Compute "max" for all admins 5308 boolean newRequested = false; 5309 final int N = policy.mAdminList.size(); 5310 for (int i = 0; i < N; i++) { 5311 newRequested |= policy.mAdminList.get(i).encryptionRequested; 5312 } 5313 5314 // Notify OS of new request 5315 setEncryptionRequested(newRequested); 5316 5317 // Return the new global request status 5318 return newRequested 5319 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5320 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5321 } 5322 } 5323 5324 /** 5325 * Get the current storage encryption request status for a given admin, or aggregate of all 5326 * active admins. 5327 */ 5328 @Override 5329 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5330 if (!mHasFeature) { 5331 return false; 5332 } 5333 enforceFullCrossUsersPermission(userHandle); 5334 synchronized (this) { 5335 // Check for permissions if a particular caller is specified 5336 if (who != null) { 5337 // When checking for a single caller, status is based on caller's request 5338 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5339 return ap != null ? ap.encryptionRequested : false; 5340 } 5341 5342 // If no particular caller is specified, return the aggregate set of requests. 5343 // This is short circuited by returning true on the first hit. 5344 DevicePolicyData policy = getUserData(userHandle); 5345 final int N = policy.mAdminList.size(); 5346 for (int i = 0; i < N; i++) { 5347 if (policy.mAdminList.get(i).encryptionRequested) { 5348 return true; 5349 } 5350 } 5351 return false; 5352 } 5353 } 5354 5355 /** 5356 * Get the current encryption status of the device. 5357 */ 5358 @Override 5359 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5360 if (!mHasFeature) { 5361 // Ok to return current status. 5362 } 5363 enforceFullCrossUsersPermission(userHandle); 5364 5365 // It's not critical here, but let's make sure the package name is correct, in case 5366 // we start using it for different purposes. 5367 ensureCallerPackage(callerPackage); 5368 5369 final ApplicationInfo ai; 5370 try { 5371 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5372 } catch (RemoteException e) { 5373 throw new SecurityException(e); 5374 } 5375 5376 boolean legacyApp = false; 5377 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5378 legacyApp = true; 5379 } 5380 5381 final int rawStatus = getEncryptionStatus(); 5382 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5383 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5384 } 5385 return rawStatus; 5386 } 5387 5388 /** 5389 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5390 */ 5391 private boolean isEncryptionSupported() { 5392 // Note, this can be implemented as 5393 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5394 // But is provided as a separate internal method if there's a faster way to do a 5395 // simple check for supported-or-not. 5396 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5397 } 5398 5399 /** 5400 * Hook to low-levels: Reporting the current status of encryption. 5401 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5402 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5403 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5404 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5405 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5406 */ 5407 private int getEncryptionStatus() { 5408 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5409 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5410 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5411 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5412 } else if (mInjector.storageManagerIsEncrypted()) { 5413 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5414 } else if (mInjector.storageManagerIsEncryptable()) { 5415 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5416 } else { 5417 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5418 } 5419 } 5420 5421 /** 5422 * Hook to low-levels: If needed, record the new admin setting for encryption. 5423 */ 5424 private void setEncryptionRequested(boolean encrypt) { 5425 } 5426 5427 /** 5428 * Set whether the screen capture is disabled for the user managed by the specified admin. 5429 */ 5430 @Override 5431 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5432 if (!mHasFeature) { 5433 return; 5434 } 5435 Preconditions.checkNotNull(who, "ComponentName is null"); 5436 final int userHandle = UserHandle.getCallingUserId(); 5437 synchronized (this) { 5438 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5439 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5440 if (ap.disableScreenCapture != disabled) { 5441 ap.disableScreenCapture = disabled; 5442 saveSettingsLocked(userHandle); 5443 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5444 } 5445 } 5446 } 5447 5448 /** 5449 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5450 * active admin (if given admin is null). 5451 */ 5452 @Override 5453 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 5454 if (!mHasFeature) { 5455 return false; 5456 } 5457 synchronized (this) { 5458 if (who != null) { 5459 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5460 return (admin != null) ? admin.disableScreenCapture : false; 5461 } 5462 5463 DevicePolicyData policy = getUserData(userHandle); 5464 final int N = policy.mAdminList.size(); 5465 for (int i = 0; i < N; i++) { 5466 ActiveAdmin admin = policy.mAdminList.get(i); 5467 if (admin.disableScreenCapture) { 5468 return true; 5469 } 5470 } 5471 return false; 5472 } 5473 } 5474 5475 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 5476 final boolean disabled) { 5477 mHandler.post(new Runnable() { 5478 @Override 5479 public void run() { 5480 try { 5481 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 5482 } catch (RemoteException e) { 5483 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 5484 } 5485 } 5486 }); 5487 } 5488 5489 /** 5490 * Set whether auto time is required by the specified admin (must be device owner). 5491 */ 5492 @Override 5493 public void setAutoTimeRequired(ComponentName who, boolean required) { 5494 if (!mHasFeature) { 5495 return; 5496 } 5497 Preconditions.checkNotNull(who, "ComponentName is null"); 5498 final int userHandle = UserHandle.getCallingUserId(); 5499 synchronized (this) { 5500 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5501 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5502 if (admin.requireAutoTime != required) { 5503 admin.requireAutoTime = required; 5504 saveSettingsLocked(userHandle); 5505 } 5506 } 5507 5508 // Turn AUTO_TIME on in settings if it is required 5509 if (required) { 5510 long ident = mInjector.binderClearCallingIdentity(); 5511 try { 5512 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 5513 } finally { 5514 mInjector.binderRestoreCallingIdentity(ident); 5515 } 5516 } 5517 } 5518 5519 /** 5520 * Returns whether or not auto time is required by the device owner. 5521 */ 5522 @Override 5523 public boolean getAutoTimeRequired() { 5524 if (!mHasFeature) { 5525 return false; 5526 } 5527 synchronized (this) { 5528 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5529 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 5530 } 5531 } 5532 5533 @Override 5534 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 5535 if (!mHasFeature) { 5536 return; 5537 } 5538 Preconditions.checkNotNull(who, "ComponentName is null"); 5539 // Allow setting this policy to true only if there is a split system user. 5540 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 5541 throw new UnsupportedOperationException( 5542 "Cannot force ephemeral users on systems without split system user."); 5543 } 5544 boolean removeAllUsers = false; 5545 synchronized (this) { 5546 final ActiveAdmin deviceOwner = 5547 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5548 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 5549 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 5550 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 5551 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 5552 removeAllUsers = forceEphemeralUsers; 5553 } 5554 } 5555 if (removeAllUsers) { 5556 long identitity = mInjector.binderClearCallingIdentity(); 5557 try { 5558 mUserManagerInternal.removeAllUsers(); 5559 } finally { 5560 mInjector.binderRestoreCallingIdentity(identitity); 5561 } 5562 } 5563 } 5564 5565 @Override 5566 public boolean getForceEphemeralUsers(ComponentName who) { 5567 if (!mHasFeature) { 5568 return false; 5569 } 5570 Preconditions.checkNotNull(who, "ComponentName is null"); 5571 synchronized (this) { 5572 final ActiveAdmin deviceOwner = 5573 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5574 return deviceOwner.forceEphemeralUsers; 5575 } 5576 } 5577 5578 private boolean isDeviceOwnerManagedSingleUserDevice() { 5579 synchronized (this) { 5580 if (!mOwners.hasDeviceOwner()) { 5581 return false; 5582 } 5583 } 5584 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5585 try { 5586 if (mInjector.userManagerIsSplitSystemUser()) { 5587 // In split system user mode, only allow the case where the device owner is managing 5588 // the only non-system user of the device 5589 return (mUserManager.getUserCount() == 2 5590 && mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM); 5591 } else { 5592 return mUserManager.getUserCount() == 1; 5593 } 5594 } finally { 5595 mInjector.binderRestoreCallingIdentity(callingIdentity); 5596 } 5597 } 5598 5599 private void ensureDeviceOwnerManagingSingleUser(ComponentName who) throws SecurityException { 5600 synchronized (this) { 5601 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5602 } 5603 if (!isDeviceOwnerManagedSingleUserDevice()) { 5604 throw new SecurityException( 5605 "There should only be one user, managed by Device Owner"); 5606 } 5607 } 5608 5609 @Override 5610 public boolean requestBugreport(ComponentName who) { 5611 if (!mHasFeature) { 5612 return false; 5613 } 5614 Preconditions.checkNotNull(who, "ComponentName is null"); 5615 ensureDeviceOwnerManagingSingleUser(who); 5616 5617 if (mRemoteBugreportServiceIsActive.get() 5618 || (getDeviceOwnerRemoteBugreportUri() != null)) { 5619 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 5620 return false; 5621 } 5622 5623 final long currentTime = System.currentTimeMillis(); 5624 synchronized (this) { 5625 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 5626 if (currentTime > policyData.mLastBugReportRequestTime) { 5627 policyData.mLastBugReportRequestTime = currentTime; 5628 saveSettingsLocked(UserHandle.USER_SYSTEM); 5629 } 5630 } 5631 5632 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5633 try { 5634 mInjector.getIActivityManager().requestBugReport( 5635 ActivityManager.BUGREPORT_OPTION_REMOTE); 5636 5637 mRemoteBugreportServiceIsActive.set(true); 5638 mRemoteBugreportSharingAccepted.set(false); 5639 registerRemoteBugreportReceivers(); 5640 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5641 RemoteBugreportUtils.buildNotification(mContext, 5642 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 5643 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 5644 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 5645 return true; 5646 } catch (RemoteException re) { 5647 // should never happen 5648 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 5649 return false; 5650 } finally { 5651 mInjector.binderRestoreCallingIdentity(callingIdentity); 5652 } 5653 } 5654 5655 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 5656 Intent intent = new Intent(action); 5657 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5658 if (extras != null) { 5659 intent.putExtras(extras); 5660 } 5661 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5662 } 5663 5664 private synchronized String getDeviceOwnerRemoteBugreportUri() { 5665 return mOwners.getDeviceOwnerRemoteBugreportUri(); 5666 } 5667 5668 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 5669 String bugreportHash) { 5670 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 5671 } 5672 5673 private void registerRemoteBugreportReceivers() { 5674 try { 5675 IntentFilter filterFinished = new IntentFilter( 5676 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 5677 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5678 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 5679 } catch (IntentFilter.MalformedMimeTypeException e) { 5680 // should never happen, as setting a constant 5681 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 5682 } 5683 IntentFilter filterConsent = new IntentFilter(); 5684 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 5685 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 5686 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 5687 } 5688 5689 private void onBugreportFinished(Intent intent) { 5690 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5691 mRemoteBugreportServiceIsActive.set(false); 5692 Uri bugreportUri = intent.getData(); 5693 String bugreportUriString = null; 5694 if (bugreportUri != null) { 5695 bugreportUriString = bugreportUri.toString(); 5696 } 5697 String bugreportHash = intent.getStringExtra( 5698 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 5699 if (mRemoteBugreportSharingAccepted.get()) { 5700 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5701 mInjector.getNotificationManager().cancel(LOG_TAG, 5702 RemoteBugreportUtils.NOTIFICATION_ID); 5703 } else { 5704 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 5705 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5706 RemoteBugreportUtils.buildNotification(mContext, 5707 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 5708 UserHandle.ALL); 5709 } 5710 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5711 } 5712 5713 private void onBugreportFailed() { 5714 mRemoteBugreportServiceIsActive.set(false); 5715 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5716 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5717 mRemoteBugreportSharingAccepted.set(false); 5718 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5719 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 5720 Bundle extras = new Bundle(); 5721 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5722 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 5723 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5724 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 5725 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5726 } 5727 5728 private void onBugreportSharingAccepted() { 5729 mRemoteBugreportSharingAccepted.set(true); 5730 String bugreportUriString = null; 5731 String bugreportHash = null; 5732 synchronized (this) { 5733 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 5734 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 5735 } 5736 if (bugreportUriString != null) { 5737 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5738 } else if (mRemoteBugreportServiceIsActive.get()) { 5739 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5740 RemoteBugreportUtils.buildNotification(mContext, 5741 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 5742 UserHandle.ALL); 5743 } 5744 } 5745 5746 private void onBugreportSharingDeclined() { 5747 if (mRemoteBugreportServiceIsActive.get()) { 5748 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5749 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5750 mRemoteBugreportServiceIsActive.set(false); 5751 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5752 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5753 } 5754 mRemoteBugreportSharingAccepted.set(false); 5755 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5756 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 5757 } 5758 5759 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 5760 String bugreportHash) { 5761 ParcelFileDescriptor pfd = null; 5762 try { 5763 if (bugreportUriString == null) { 5764 throw new FileNotFoundException(); 5765 } 5766 Uri bugreportUri = Uri.parse(bugreportUriString); 5767 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 5768 5769 synchronized (this) { 5770 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 5771 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5772 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5773 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 5774 mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), 5775 bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION); 5776 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5777 } 5778 } catch (FileNotFoundException e) { 5779 Bundle extras = new Bundle(); 5780 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5781 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 5782 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5783 } finally { 5784 try { 5785 if (pfd != null) { 5786 pfd.close(); 5787 } 5788 } catch (IOException ex) { 5789 // Ignore 5790 } 5791 mRemoteBugreportSharingAccepted.set(false); 5792 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5793 } 5794 } 5795 5796 /** 5797 * Disables all device cameras according to the specified admin. 5798 */ 5799 @Override 5800 public void setCameraDisabled(ComponentName who, boolean disabled) { 5801 if (!mHasFeature) { 5802 return; 5803 } 5804 Preconditions.checkNotNull(who, "ComponentName is null"); 5805 final int userHandle = mInjector.userHandleGetCallingUserId(); 5806 synchronized (this) { 5807 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5808 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 5809 if (ap.disableCamera != disabled) { 5810 ap.disableCamera = disabled; 5811 saveSettingsLocked(userHandle); 5812 } 5813 } 5814 // Tell the user manager that the restrictions have changed. 5815 pushUserRestrictions(userHandle); 5816 } 5817 5818 /** 5819 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 5820 * active admins. 5821 */ 5822 @Override 5823 public boolean getCameraDisabled(ComponentName who, int userHandle) { 5824 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 5825 } 5826 5827 private boolean getCameraDisabled(ComponentName who, int userHandle, 5828 boolean mergeDeviceOwnerRestriction) { 5829 if (!mHasFeature) { 5830 return false; 5831 } 5832 synchronized (this) { 5833 if (who != null) { 5834 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5835 return (admin != null) ? admin.disableCamera : false; 5836 } 5837 // First, see if DO has set it. If so, it's device-wide. 5838 if (mergeDeviceOwnerRestriction) { 5839 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5840 if (deviceOwner != null && deviceOwner.disableCamera) { 5841 return true; 5842 } 5843 } 5844 5845 // Then check each device admin on the user. 5846 DevicePolicyData policy = getUserData(userHandle); 5847 // Determine whether or not the device camera is disabled for any active admins. 5848 final int N = policy.mAdminList.size(); 5849 for (int i = 0; i < N; i++) { 5850 ActiveAdmin admin = policy.mAdminList.get(i); 5851 if (admin.disableCamera) { 5852 return true; 5853 } 5854 } 5855 return false; 5856 } 5857 } 5858 5859 @Override 5860 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 5861 if (!mHasFeature) { 5862 return; 5863 } 5864 Preconditions.checkNotNull(who, "ComponentName is null"); 5865 final int userHandle = mInjector.userHandleGetCallingUserId(); 5866 if (isManagedProfile(userHandle)) { 5867 if (parent) { 5868 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 5869 } else { 5870 which = which & PROFILE_KEYGUARD_FEATURES; 5871 } 5872 } 5873 synchronized (this) { 5874 ActiveAdmin ap = getActiveAdminForCallerLocked( 5875 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 5876 if (ap.disabledKeyguardFeatures != which) { 5877 ap.disabledKeyguardFeatures = which; 5878 saveSettingsLocked(userHandle); 5879 } 5880 } 5881 } 5882 5883 /** 5884 * Gets the disabled state for features in keyguard for the given admin, 5885 * or the aggregate of all active admins if who is null. 5886 */ 5887 @Override 5888 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 5889 if (!mHasFeature) { 5890 return 0; 5891 } 5892 enforceFullCrossUsersPermission(userHandle); 5893 final long ident = mInjector.binderClearCallingIdentity(); 5894 try { 5895 synchronized (this) { 5896 if (who != null) { 5897 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 5898 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 5899 } 5900 5901 final List<ActiveAdmin> admins; 5902 if (!parent && isManagedProfile(userHandle)) { 5903 // If we are being asked about a managed profile, just return keyguard features 5904 // disabled by admins in the profile. 5905 admins = getUserDataUnchecked(userHandle).mAdminList; 5906 } else { 5907 // Otherwise return those set by admins in the user and its profiles. 5908 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 5909 } 5910 5911 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 5912 final int N = admins.size(); 5913 for (int i = 0; i < N; i++) { 5914 ActiveAdmin admin = admins.get(i); 5915 int userId = admin.getUserHandle().getIdentifier(); 5916 boolean isRequestedUser = !parent && (userId == userHandle); 5917 if (isRequestedUser || !isManagedProfile(userId)) { 5918 // If we are being asked explicitly about this user 5919 // return all disabled features even if its a managed profile. 5920 which |= admin.disabledKeyguardFeatures; 5921 } else { 5922 // Otherwise a managed profile is only allowed to disable 5923 // some features on the parent user. 5924 which |= (admin.disabledKeyguardFeatures 5925 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 5926 } 5927 } 5928 return which; 5929 } 5930 } finally { 5931 mInjector.binderRestoreCallingIdentity(ident); 5932 } 5933 } 5934 5935 @Override 5936 public void setKeepUninstalledPackages(ComponentName who, List<String> packageList) { 5937 if (!mHasFeature) { 5938 return; 5939 } 5940 Preconditions.checkNotNull(who, "ComponentName is null"); 5941 Preconditions.checkNotNull(packageList, "packageList is null"); 5942 final int userHandle = UserHandle.getCallingUserId(); 5943 synchronized (this) { 5944 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5945 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5946 admin.keepUninstalledPackages = packageList; 5947 saveSettingsLocked(userHandle); 5948 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 5949 } 5950 } 5951 5952 @Override 5953 public List<String> getKeepUninstalledPackages(ComponentName who) { 5954 Preconditions.checkNotNull(who, "ComponentName is null"); 5955 if (!mHasFeature) { 5956 return null; 5957 } 5958 // TODO In split system user mode, allow apps on user 0 to query the list 5959 synchronized (this) { 5960 // Check if this is the device owner who is calling 5961 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5962 return getKeepUninstalledPackagesLocked(); 5963 } 5964 } 5965 5966 private List<String> getKeepUninstalledPackagesLocked() { 5967 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5968 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 5969 } 5970 5971 @Override 5972 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 5973 if (!mHasFeature) { 5974 return false; 5975 } 5976 if (admin == null 5977 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 5978 throw new IllegalArgumentException("Invalid component " + admin 5979 + " for device owner"); 5980 } 5981 synchronized (this) { 5982 enforceCanSetDeviceOwnerLocked(admin, userId); 5983 final ActiveAdmin activeAdmin = getActiveAdminUncheckedLocked(admin, userId); 5984 if (activeAdmin == null 5985 || getUserData(userId).mRemovingAdmins.contains(admin)) { 5986 throw new IllegalArgumentException("Not active admin: " + admin); 5987 } 5988 5989 // Shutting down backup manager service permanently. 5990 long ident = mInjector.binderClearCallingIdentity(); 5991 try { 5992 if (mInjector.getIBackupManager() != null) { 5993 mInjector.getIBackupManager() 5994 .setBackupServiceActive(UserHandle.USER_SYSTEM, false); 5995 } 5996 } catch (RemoteException e) { 5997 throw new IllegalStateException("Failed deactivating backup service.", e); 5998 } finally { 5999 mInjector.binderRestoreCallingIdentity(ident); 6000 } 6001 6002 if (isAdb()) { 6003 // Log device owner provisioning was started using adb. 6004 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_DEVICE_OWNER); 6005 } 6006 6007 mOwners.setDeviceOwner(admin, ownerName, userId); 6008 mOwners.writeDeviceOwner(); 6009 updateDeviceOwnerLocked(); 6010 setDeviceOwnerSystemPropertyLocked(); 6011 6012 final Set<String> restrictions = 6013 UserRestrictionsUtils.getDefaultEnabledForDeviceOwner(); 6014 if (!restrictions.isEmpty()) { 6015 for (String restriction : restrictions) { 6016 activeAdmin.ensureUserRestrictions().putBoolean(restriction, true); 6017 } 6018 activeAdmin.defaultEnabledRestrictionsAlreadySet.addAll(restrictions); 6019 Slog.i(LOG_TAG, "Enabled the following restrictions by default: " + restrictions); 6020 6021 saveUserRestrictionsLocked(userId); 6022 } 6023 6024 ident = mInjector.binderClearCallingIdentity(); 6025 try { 6026 // TODO Send to system too? 6027 mContext.sendBroadcastAsUser( 6028 new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED), 6029 UserHandle.of(userId)); 6030 } finally { 6031 mInjector.binderRestoreCallingIdentity(ident); 6032 } 6033 Slog.i(LOG_TAG, "Device owner set: " + admin + " on user " + userId); 6034 return true; 6035 } 6036 } 6037 6038 @Override 6039 public boolean hasDeviceOwner() { 6040 enforceDeviceOwnerOrManageUsers(); 6041 return mOwners.hasDeviceOwner(); 6042 } 6043 6044 boolean isDeviceOwner(ActiveAdmin admin) { 6045 return isDeviceOwner(admin.info.getComponent(), admin.getUserHandle().getIdentifier()); 6046 } 6047 6048 public boolean isDeviceOwner(ComponentName who, int userId) { 6049 synchronized (this) { 6050 return mOwners.hasDeviceOwner() 6051 && mOwners.getDeviceOwnerUserId() == userId 6052 && mOwners.getDeviceOwnerComponent().equals(who); 6053 } 6054 } 6055 6056 private boolean isDeviceOwnerPackage(String packageName, int userId) { 6057 synchronized (this) { 6058 return mOwners.hasDeviceOwner() 6059 && mOwners.getDeviceOwnerUserId() == userId 6060 && mOwners.getDeviceOwnerPackageName().equals(packageName); 6061 } 6062 } 6063 6064 public boolean isProfileOwner(ComponentName who, int userId) { 6065 final ComponentName profileOwner = getProfileOwner(userId); 6066 return who != null && who.equals(profileOwner); 6067 } 6068 6069 @Override 6070 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 6071 if (!mHasFeature) { 6072 return null; 6073 } 6074 if (!callingUserOnly) { 6075 enforceManageUsers(); 6076 } 6077 synchronized (this) { 6078 if (!mOwners.hasDeviceOwner()) { 6079 return null; 6080 } 6081 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 6082 mOwners.getDeviceOwnerUserId()) { 6083 return null; 6084 } 6085 return mOwners.getDeviceOwnerComponent(); 6086 } 6087 } 6088 6089 @Override 6090 public int getDeviceOwnerUserId() { 6091 if (!mHasFeature) { 6092 return UserHandle.USER_NULL; 6093 } 6094 enforceManageUsers(); 6095 synchronized (this) { 6096 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 6097 } 6098 } 6099 6100 /** 6101 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 6102 * MANAGE_USERS. 6103 */ 6104 @Override 6105 public String getDeviceOwnerName() { 6106 if (!mHasFeature) { 6107 return null; 6108 } 6109 enforceManageUsers(); 6110 synchronized (this) { 6111 if (!mOwners.hasDeviceOwner()) { 6112 return null; 6113 } 6114 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 6115 // Should setDeviceOwner/ProfileOwner still take a name? 6116 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 6117 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 6118 } 6119 } 6120 6121 /** Returns the active device owner or {@code null} if there is no device owner. */ 6122 @VisibleForTesting 6123 ActiveAdmin getDeviceOwnerAdminLocked() { 6124 ComponentName component = mOwners.getDeviceOwnerComponent(); 6125 if (component == null) { 6126 return null; 6127 } 6128 6129 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 6130 final int n = policy.mAdminList.size(); 6131 for (int i = 0; i < n; i++) { 6132 ActiveAdmin admin = policy.mAdminList.get(i); 6133 if (component.equals(admin.info.getComponent())) { 6134 return admin; 6135 } 6136 } 6137 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 6138 return null; 6139 } 6140 6141 @Override 6142 public void clearDeviceOwner(String packageName) { 6143 Preconditions.checkNotNull(packageName, "packageName is null"); 6144 final int callingUid = mInjector.binderGetCallingUid(); 6145 try { 6146 int uid = mInjector.getPackageManager().getPackageUidAsUser(packageName, 6147 UserHandle.getUserId(callingUid)); 6148 if (uid != callingUid) { 6149 throw new SecurityException("Invalid packageName"); 6150 } 6151 } catch (NameNotFoundException e) { 6152 throw new SecurityException(e); 6153 } 6154 synchronized (this) { 6155 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 6156 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 6157 if (!mOwners.hasDeviceOwner() 6158 || !deviceOwnerComponent.getPackageName().equals(packageName) 6159 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 6160 throw new SecurityException( 6161 "clearDeviceOwner can only be called by the device owner"); 6162 } 6163 enforceUserUnlocked(deviceOwnerUserId); 6164 6165 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 6166 long ident = mInjector.binderClearCallingIdentity(); 6167 try { 6168 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 6169 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 6170 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 6171 mContext.sendBroadcastAsUser(intent, UserHandle.of(deviceOwnerUserId)); 6172 } finally { 6173 mInjector.binderRestoreCallingIdentity(ident); 6174 } 6175 Slog.i(LOG_TAG, "Device owner removed: " + deviceOwnerComponent); 6176 } 6177 } 6178 6179 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 6180 if (admin != null) { 6181 admin.disableCamera = false; 6182 admin.userRestrictions = null; 6183 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6184 admin.forceEphemeralUsers = false; 6185 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 6186 final DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 6187 policyData.mLastSecurityLogRetrievalTime = -1; 6188 policyData.mLastBugReportRequestTime = -1; 6189 policyData.mLastNetworkLogsRetrievalTime = -1; 6190 saveSettingsLocked(UserHandle.USER_SYSTEM); 6191 } 6192 clearUserPoliciesLocked(userId); 6193 6194 mOwners.clearDeviceOwner(); 6195 mOwners.writeDeviceOwner(); 6196 updateDeviceOwnerLocked(); 6197 disableDeviceOwnerManagedSingleUserFeaturesIfNeeded(); 6198 try { 6199 if (mInjector.getIBackupManager() != null) { 6200 // Reactivate backup service. 6201 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 6202 } 6203 } catch (RemoteException e) { 6204 throw new IllegalStateException("Failed reactivating backup service.", e); 6205 } 6206 } 6207 6208 @Override 6209 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 6210 if (!mHasFeature) { 6211 return false; 6212 } 6213 if (who == null 6214 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 6215 throw new IllegalArgumentException("Component " + who 6216 + " not installed for userId:" + userHandle); 6217 } 6218 synchronized (this) { 6219 enforceCanSetProfileOwnerLocked(who, userHandle); 6220 6221 if (getActiveAdminUncheckedLocked(who, userHandle) == null 6222 || getUserData(userHandle).mRemovingAdmins.contains(who)) { 6223 throw new IllegalArgumentException("Not active admin: " + who); 6224 } 6225 6226 if (isAdb()) { 6227 // Log profile owner provisioning was started using adb. 6228 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_PROFILE_OWNER); 6229 } 6230 6231 mOwners.setProfileOwner(who, ownerName, userHandle); 6232 mOwners.writeProfileOwner(userHandle); 6233 Slog.i(LOG_TAG, "Profile owner set: " + who + " on user " + userHandle); 6234 6235 return true; 6236 } 6237 } 6238 6239 @Override 6240 public void clearProfileOwner(ComponentName who) { 6241 if (!mHasFeature) { 6242 return; 6243 } 6244 final UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 6245 final int userId = callingUser.getIdentifier(); 6246 enforceNotManagedProfile(userId, "clear profile owner"); 6247 enforceUserUnlocked(userId); 6248 // Check if this is the profile owner who is calling 6249 final ActiveAdmin admin = 6250 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6251 synchronized (this) { 6252 final long ident = mInjector.binderClearCallingIdentity(); 6253 try { 6254 clearProfileOwnerLocked(admin, userId); 6255 removeActiveAdminLocked(who, userId); 6256 } finally { 6257 mInjector.binderRestoreCallingIdentity(ident); 6258 } 6259 Slog.i(LOG_TAG, "Profile owner " + who + " removed from user " + userId); 6260 } 6261 } 6262 6263 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 6264 if (admin != null) { 6265 admin.disableCamera = false; 6266 admin.userRestrictions = null; 6267 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6268 } 6269 clearUserPoliciesLocked(userId); 6270 mOwners.removeProfileOwner(userId); 6271 mOwners.writeProfileOwner(userId); 6272 } 6273 6274 @Override 6275 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 6276 Preconditions.checkNotNull(who, "ComponentName is null"); 6277 if (!mHasFeature) { 6278 return; 6279 } 6280 6281 synchronized (this) { 6282 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6283 long token = mInjector.binderClearCallingIdentity(); 6284 try { 6285 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 6286 } finally { 6287 mInjector.binderRestoreCallingIdentity(token); 6288 } 6289 } 6290 } 6291 6292 @Override 6293 public CharSequence getDeviceOwnerLockScreenInfo() { 6294 return mLockPatternUtils.getDeviceOwnerInfo(); 6295 } 6296 6297 private void clearUserPoliciesLocked(int userId) { 6298 // Reset some of the user-specific policies 6299 DevicePolicyData policy = getUserData(userId); 6300 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 6301 policy.mDelegatedCertInstallerPackage = null; 6302 policy.mApplicationRestrictionsManagingPackage = null; 6303 policy.mStatusBarDisabled = false; 6304 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 6305 saveSettingsLocked(userId); 6306 6307 try { 6308 mIPackageManager.updatePermissionFlagsForAllApps( 6309 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6310 0 /* flagValues */, userId); 6311 pushUserRestrictions(userId); 6312 } catch (RemoteException re) { 6313 // Shouldn't happen. 6314 } 6315 } 6316 6317 @Override 6318 public boolean hasUserSetupCompleted() { 6319 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 6320 } 6321 6322 // This checks only if the Setup Wizard has run. Since Wear devices pair before 6323 // completing Setup Wizard, and pairing involves transferring user data, calling 6324 // logic may want to check mIsWatch or mPaired in addition to hasUserSetupCompleted(). 6325 private boolean hasUserSetupCompleted(int userHandle) { 6326 if (!mHasFeature) { 6327 return true; 6328 } 6329 return getUserData(userHandle).mUserSetupComplete; 6330 } 6331 6332 private boolean hasPaired(int userHandle) { 6333 if (!mHasFeature) { 6334 return true; 6335 } 6336 return getUserData(userHandle).mPaired; 6337 } 6338 6339 @Override 6340 public int getUserProvisioningState() { 6341 if (!mHasFeature) { 6342 return DevicePolicyManager.STATE_USER_UNMANAGED; 6343 } 6344 int userHandle = mInjector.userHandleGetCallingUserId(); 6345 return getUserProvisioningState(userHandle); 6346 } 6347 6348 private int getUserProvisioningState(int userHandle) { 6349 return getUserData(userHandle).mUserProvisioningState; 6350 } 6351 6352 @Override 6353 public void setUserProvisioningState(int newState, int userHandle) { 6354 if (!mHasFeature) { 6355 return; 6356 } 6357 6358 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 6359 && getManagedUserId(userHandle) == -1) { 6360 // No managed device, user or profile, so setting provisioning state makes no sense. 6361 throw new IllegalStateException("Not allowed to change provisioning state unless a " 6362 + "device or profile owner is set."); 6363 } 6364 6365 synchronized (this) { 6366 boolean transitionCheckNeeded = true; 6367 6368 // Calling identity/permission checks. 6369 if (isAdb()) { 6370 // ADB shell can only move directly from un-managed to finalized as part of directly 6371 // setting profile-owner or device-owner. 6372 if (getUserProvisioningState(userHandle) != 6373 DevicePolicyManager.STATE_USER_UNMANAGED 6374 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6375 throw new IllegalStateException("Not allowed to change provisioning state " 6376 + "unless current provisioning state is unmanaged, and new state is " 6377 + "finalized."); 6378 } 6379 transitionCheckNeeded = false; 6380 } else { 6381 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 6382 enforceCanManageProfileAndDeviceOwners(); 6383 } 6384 6385 final DevicePolicyData policyData = getUserData(userHandle); 6386 if (transitionCheckNeeded) { 6387 // Optional state transition check for non-ADB case. 6388 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 6389 } 6390 policyData.mUserProvisioningState = newState; 6391 saveSettingsLocked(userHandle); 6392 } 6393 } 6394 6395 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6396 // Valid transitions for normal use-cases. 6397 switch (currentState) { 6398 case DevicePolicyManager.STATE_USER_UNMANAGED: 6399 // Can move to any state from unmanaged (except itself as an edge case).. 6400 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 6401 return; 6402 } 6403 break; 6404 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 6405 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 6406 // Can only move to finalized from these states. 6407 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6408 return; 6409 } 6410 break; 6411 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 6412 // Current user has a managed-profile, but current user is not managed, so 6413 // rather than moving to finalized state, go back to unmanaged once 6414 // profile provisioning is complete. 6415 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 6416 return; 6417 } 6418 break; 6419 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 6420 // Cannot transition out of finalized. 6421 break; 6422 } 6423 6424 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 6425 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 6426 + "from state [" + currentState + "]"); 6427 } 6428 6429 @Override 6430 public void setProfileEnabled(ComponentName who) { 6431 if (!mHasFeature) { 6432 return; 6433 } 6434 Preconditions.checkNotNull(who, "ComponentName is null"); 6435 synchronized (this) { 6436 // Check if this is the profile owner who is calling 6437 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6438 final int userId = UserHandle.getCallingUserId(); 6439 enforceManagedProfile(userId, "enable the profile"); 6440 // Check if the profile is already enabled. 6441 UserInfo managedProfile = getUserInfo(userId); 6442 if (managedProfile.isEnabled()) { 6443 Slog.e(LOG_TAG, 6444 "setProfileEnabled is called when the profile is already enabled"); 6445 return; 6446 } 6447 long id = mInjector.binderClearCallingIdentity(); 6448 try { 6449 mUserManager.setUserEnabled(userId); 6450 UserInfo parent = mUserManager.getProfileParent(userId); 6451 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 6452 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 6453 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 6454 Intent.FLAG_RECEIVER_FOREGROUND); 6455 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 6456 } finally { 6457 mInjector.binderRestoreCallingIdentity(id); 6458 } 6459 } 6460 } 6461 6462 @Override 6463 public void setProfileName(ComponentName who, String profileName) { 6464 Preconditions.checkNotNull(who, "ComponentName is null"); 6465 int userId = UserHandle.getCallingUserId(); 6466 // Check if this is the profile owner (includes device owner). 6467 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6468 6469 long id = mInjector.binderClearCallingIdentity(); 6470 try { 6471 mUserManager.setUserName(userId, profileName); 6472 } finally { 6473 mInjector.binderRestoreCallingIdentity(id); 6474 } 6475 } 6476 6477 @Override 6478 public ComponentName getProfileOwner(int userHandle) { 6479 if (!mHasFeature) { 6480 return null; 6481 } 6482 6483 synchronized (this) { 6484 return mOwners.getProfileOwnerComponent(userHandle); 6485 } 6486 } 6487 6488 // Returns the active profile owner for this user or null if the current user has no 6489 // profile owner. 6490 @VisibleForTesting 6491 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 6492 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 6493 if (profileOwner == null) { 6494 return null; 6495 } 6496 DevicePolicyData policy = getUserData(userHandle); 6497 final int n = policy.mAdminList.size(); 6498 for (int i = 0; i < n; i++) { 6499 ActiveAdmin admin = policy.mAdminList.get(i); 6500 if (profileOwner.equals(admin.info.getComponent())) { 6501 return admin; 6502 } 6503 } 6504 return null; 6505 } 6506 6507 @Override 6508 public String getProfileOwnerName(int userHandle) { 6509 if (!mHasFeature) { 6510 return null; 6511 } 6512 enforceManageUsers(); 6513 ComponentName profileOwner = getProfileOwner(userHandle); 6514 if (profileOwner == null) { 6515 return null; 6516 } 6517 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 6518 } 6519 6520 /** 6521 * Canonical name for a given package. 6522 */ 6523 private String getApplicationLabel(String packageName, int userHandle) { 6524 long token = mInjector.binderClearCallingIdentity(); 6525 try { 6526 final Context userContext; 6527 try { 6528 UserHandle handle = new UserHandle(userHandle); 6529 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 6530 } catch (PackageManager.NameNotFoundException nnfe) { 6531 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 6532 return null; 6533 } 6534 ApplicationInfo appInfo = userContext.getApplicationInfo(); 6535 CharSequence result = null; 6536 if (appInfo != null) { 6537 PackageManager pm = userContext.getPackageManager(); 6538 result = pm.getApplicationLabel(appInfo); 6539 } 6540 return result != null ? result.toString() : null; 6541 } finally { 6542 mInjector.binderRestoreCallingIdentity(token); 6543 } 6544 } 6545 6546 /** 6547 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6548 * permission. 6549 * The profile owner can only be set before the user setup phase has completed, 6550 * except for: 6551 * - SYSTEM_UID 6552 * - adb if there are no accounts. (But see {@link #hasIncompatibleAccountsLocked}) 6553 */ 6554 private void enforceCanSetProfileOwnerLocked(@Nullable ComponentName owner, int userHandle) { 6555 UserInfo info = getUserInfo(userHandle); 6556 if (info == null) { 6557 // User doesn't exist. 6558 throw new IllegalArgumentException( 6559 "Attempted to set profile owner for invalid userId: " + userHandle); 6560 } 6561 if (info.isGuest()) { 6562 throw new IllegalStateException("Cannot set a profile owner on a guest"); 6563 } 6564 if (mOwners.hasProfileOwner(userHandle)) { 6565 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 6566 + "is already set."); 6567 } 6568 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 6569 throw new IllegalStateException("Trying to set the profile owner, but the user " 6570 + "already has a device owner."); 6571 } 6572 if (isAdb()) { 6573 if ((mIsWatch || hasUserSetupCompleted(userHandle)) 6574 && hasIncompatibleAccountsLocked(userHandle, owner)) { 6575 throw new IllegalStateException("Not allowed to set the profile owner because " 6576 + "there are already some accounts on the profile"); 6577 } 6578 return; 6579 } 6580 enforceCanManageProfileAndDeviceOwners(); 6581 if ((mIsWatch || hasUserSetupCompleted(userHandle)) && !isCallerWithSystemUid()) { 6582 throw new IllegalStateException("Cannot set the profile owner on a user which is " 6583 + "already set-up"); 6584 } 6585 } 6586 6587 /** 6588 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6589 * permission. 6590 */ 6591 private void enforceCanSetDeviceOwnerLocked(@Nullable ComponentName owner, int userId) { 6592 if (!isAdb()) { 6593 enforceCanManageProfileAndDeviceOwners(); 6594 } 6595 6596 final int code = checkDeviceOwnerProvisioningPreConditionLocked(owner, userId, isAdb()); 6597 switch (code) { 6598 case CODE_OK: 6599 return; 6600 case CODE_HAS_DEVICE_OWNER: 6601 throw new IllegalStateException( 6602 "Trying to set the device owner, but device owner is already set."); 6603 case CODE_USER_HAS_PROFILE_OWNER: 6604 throw new IllegalStateException("Trying to set the device owner, but the user " 6605 + "already has a profile owner."); 6606 case CODE_USER_NOT_RUNNING: 6607 throw new IllegalStateException("User not running: " + userId); 6608 case CODE_NOT_SYSTEM_USER: 6609 throw new IllegalStateException("User is not system user"); 6610 case CODE_USER_SETUP_COMPLETED: 6611 throw new IllegalStateException( 6612 "Cannot set the device owner if the device is already set-up"); 6613 case CODE_NONSYSTEM_USER_EXISTS: 6614 throw new IllegalStateException("Not allowed to set the device owner because there " 6615 + "are already several users on the device"); 6616 case CODE_ACCOUNTS_NOT_EMPTY: 6617 throw new IllegalStateException("Not allowed to set the device owner because there " 6618 + "are already some accounts on the device"); 6619 case CODE_HAS_PAIRED: 6620 throw new IllegalStateException("Not allowed to set the device owner because this " 6621 + "device has already paired"); 6622 default: 6623 throw new IllegalStateException("Unexpected @ProvisioningPreCondition " + code); 6624 } 6625 } 6626 6627 private void enforceUserUnlocked(int userId) { 6628 // Since we're doing this operation on behalf of an app, we only 6629 // want to use the actual "unlocked" state. 6630 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 6631 "User must be running and unlocked"); 6632 } 6633 6634 private void enforceUserUnlocked(@UserIdInt int userId, boolean parent) { 6635 if (parent) { 6636 enforceUserUnlocked(getProfileParentId(userId)); 6637 } else { 6638 enforceUserUnlocked(userId); 6639 } 6640 } 6641 6642 private void enforceManageUsers() { 6643 final int callingUid = mInjector.binderGetCallingUid(); 6644 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6645 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6646 } 6647 } 6648 6649 private void enforceFullCrossUsersPermission(int userHandle) { 6650 enforceSystemUserOrPermission(userHandle, 6651 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 6652 } 6653 6654 private void enforceCrossUsersPermission(int userHandle) { 6655 enforceSystemUserOrPermission(userHandle, 6656 android.Manifest.permission.INTERACT_ACROSS_USERS); 6657 } 6658 6659 private void enforceSystemUserOrPermission(int userHandle, String permission) { 6660 if (userHandle < 0) { 6661 throw new IllegalArgumentException("Invalid userId " + userHandle); 6662 } 6663 final int callingUid = mInjector.binderGetCallingUid(); 6664 if (userHandle == UserHandle.getUserId(callingUid)) { 6665 return; 6666 } 6667 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6668 mContext.enforceCallingOrSelfPermission(permission, 6669 "Must be system or have " + permission + " permission"); 6670 } 6671 } 6672 6673 private void enforceManagedProfile(int userHandle, String message) { 6674 if(!isManagedProfile(userHandle)) { 6675 throw new SecurityException("You can not " + message + " outside a managed profile."); 6676 } 6677 } 6678 6679 private void enforceNotManagedProfile(int userHandle, String message) { 6680 if(isManagedProfile(userHandle)) { 6681 throw new SecurityException("You can not " + message + " for a managed profile."); 6682 } 6683 } 6684 6685 private void enforceDeviceOwnerOrManageUsers() { 6686 synchronized (this) { 6687 if (getActiveAdminWithPolicyForUidLocked(null, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 6688 mInjector.binderGetCallingUid()) != null) { 6689 return; 6690 } 6691 } 6692 enforceManageUsers(); 6693 } 6694 6695 private void ensureCallerPackage(@Nullable String packageName) { 6696 if (packageName == null) { 6697 Preconditions.checkState(isCallerWithSystemUid(), 6698 "Only caller can omit package name"); 6699 } else { 6700 final int callingUid = mInjector.binderGetCallingUid(); 6701 final int userId = mInjector.userHandleGetCallingUserId(); 6702 try { 6703 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 6704 packageName, 0, userId); 6705 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 6706 } catch (RemoteException e) { 6707 // Shouldn't happen 6708 } 6709 } 6710 } 6711 6712 private boolean isCallerWithSystemUid() { 6713 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 6714 } 6715 6716 private int getProfileParentId(int userHandle) { 6717 final long ident = mInjector.binderClearCallingIdentity(); 6718 try { 6719 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 6720 return parentUser != null ? parentUser.id : userHandle; 6721 } finally { 6722 mInjector.binderRestoreCallingIdentity(ident); 6723 } 6724 } 6725 6726 private int getCredentialOwner(int userHandle, boolean parent) { 6727 final long ident = mInjector.binderClearCallingIdentity(); 6728 try { 6729 if (parent) { 6730 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 6731 if (parentProfile != null) { 6732 userHandle = parentProfile.id; 6733 } 6734 } 6735 return mUserManager.getCredentialOwnerProfile(userHandle); 6736 } finally { 6737 mInjector.binderRestoreCallingIdentity(ident); 6738 } 6739 } 6740 6741 private boolean isManagedProfile(int userHandle) { 6742 final UserInfo user = getUserInfo(userHandle); 6743 return user != null && user.isManagedProfile(); 6744 } 6745 6746 private void enableIfNecessary(String packageName, int userId) { 6747 try { 6748 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 6749 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 6750 userId); 6751 if (ai.enabledSetting 6752 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 6753 mIPackageManager.setApplicationEnabledSetting(packageName, 6754 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 6755 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 6756 } 6757 } catch (RemoteException e) { 6758 } 6759 } 6760 6761 @Override 6762 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 6763 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 6764 != PackageManager.PERMISSION_GRANTED) { 6765 6766 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 6767 + mInjector.binderGetCallingPid() 6768 + ", uid=" + mInjector.binderGetCallingUid()); 6769 return; 6770 } 6771 6772 synchronized (this) { 6773 pw.println("Current Device Policy Manager state:"); 6774 mOwners.dump(" ", pw); 6775 int userCount = mUserData.size(); 6776 for (int u = 0; u < userCount; u++) { 6777 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 6778 pw.println(); 6779 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 6780 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 6781 final int N = policy.mAdminList.size(); 6782 for (int i=0; i<N; i++) { 6783 ActiveAdmin ap = policy.mAdminList.get(i); 6784 if (ap != null) { 6785 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 6786 pw.println(":"); 6787 ap.dump(" ", pw); 6788 } 6789 } 6790 if (!policy.mRemovingAdmins.isEmpty()) { 6791 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 6792 + policy.mRemovingAdmins); 6793 } 6794 6795 pw.println(" "); 6796 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 6797 } 6798 pw.println(); 6799 pw.println("Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 6800 } 6801 } 6802 6803 private String getEncryptionStatusName(int encryptionStatus) { 6804 switch (encryptionStatus) { 6805 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 6806 return "inactive"; 6807 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 6808 return "block default key"; 6809 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 6810 return "block"; 6811 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 6812 return "per-user"; 6813 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 6814 return "unsupported"; 6815 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 6816 return "activating"; 6817 default: 6818 return "unknown"; 6819 } 6820 } 6821 6822 @Override 6823 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 6824 ComponentName activity) { 6825 Preconditions.checkNotNull(who, "ComponentName is null"); 6826 final int userHandle = UserHandle.getCallingUserId(); 6827 synchronized (this) { 6828 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6829 6830 long id = mInjector.binderClearCallingIdentity(); 6831 try { 6832 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 6833 } catch (RemoteException re) { 6834 // Shouldn't happen 6835 } finally { 6836 mInjector.binderRestoreCallingIdentity(id); 6837 } 6838 } 6839 } 6840 6841 @Override 6842 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 6843 Preconditions.checkNotNull(who, "ComponentName is null"); 6844 final int userHandle = UserHandle.getCallingUserId(); 6845 synchronized (this) { 6846 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6847 6848 long id = mInjector.binderClearCallingIdentity(); 6849 try { 6850 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 6851 } catch (RemoteException re) { 6852 // Shouldn't happen 6853 } finally { 6854 mInjector.binderRestoreCallingIdentity(id); 6855 } 6856 } 6857 } 6858 6859 @Override 6860 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 6861 String packageName) { 6862 Preconditions.checkNotNull(admin, "ComponentName is null"); 6863 6864 final int userHandle = mInjector.userHandleGetCallingUserId(); 6865 synchronized (this) { 6866 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6867 if (packageName != null && !isPackageInstalledForUser(packageName, userHandle)) { 6868 return false; 6869 } 6870 DevicePolicyData policy = getUserData(userHandle); 6871 policy.mApplicationRestrictionsManagingPackage = packageName; 6872 saveSettingsLocked(userHandle); 6873 return true; 6874 } 6875 } 6876 6877 @Override 6878 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 6879 Preconditions.checkNotNull(admin, "ComponentName is null"); 6880 6881 final int userHandle = mInjector.userHandleGetCallingUserId(); 6882 synchronized (this) { 6883 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6884 DevicePolicyData policy = getUserData(userHandle); 6885 return policy.mApplicationRestrictionsManagingPackage; 6886 } 6887 } 6888 6889 @Override 6890 public boolean isCallerApplicationRestrictionsManagingPackage() { 6891 final int callingUid = mInjector.binderGetCallingUid(); 6892 final int userHandle = UserHandle.getUserId(callingUid); 6893 synchronized (this) { 6894 final DevicePolicyData policy = getUserData(userHandle); 6895 if (policy.mApplicationRestrictionsManagingPackage == null) { 6896 return false; 6897 } 6898 6899 try { 6900 int uid = mInjector.getPackageManager().getPackageUidAsUser( 6901 policy.mApplicationRestrictionsManagingPackage, userHandle); 6902 return uid == callingUid; 6903 } catch (NameNotFoundException e) { 6904 return false; 6905 } 6906 } 6907 } 6908 6909 private void enforceCanManageApplicationRestrictions(ComponentName who) { 6910 if (who != null) { 6911 synchronized (this) { 6912 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6913 } 6914 } else if (!isCallerApplicationRestrictionsManagingPackage()) { 6915 throw new SecurityException( 6916 "No admin component given, and caller cannot manage application restrictions " 6917 + "for other apps."); 6918 } 6919 } 6920 6921 @Override 6922 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 6923 enforceCanManageApplicationRestrictions(who); 6924 6925 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 6926 final long id = mInjector.binderClearCallingIdentity(); 6927 try { 6928 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 6929 } finally { 6930 mInjector.binderRestoreCallingIdentity(id); 6931 } 6932 } 6933 6934 @Override 6935 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 6936 PersistableBundle args, boolean parent) { 6937 if (!mHasFeature) { 6938 return; 6939 } 6940 Preconditions.checkNotNull(admin, "admin is null"); 6941 Preconditions.checkNotNull(agent, "agent is null"); 6942 final int userHandle = UserHandle.getCallingUserId(); 6943 synchronized (this) { 6944 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 6945 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 6946 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 6947 saveSettingsLocked(userHandle); 6948 } 6949 } 6950 6951 @Override 6952 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 6953 ComponentName agent, int userHandle, boolean parent) { 6954 if (!mHasFeature) { 6955 return null; 6956 } 6957 Preconditions.checkNotNull(agent, "agent null"); 6958 enforceFullCrossUsersPermission(userHandle); 6959 6960 synchronized (this) { 6961 final String componentName = agent.flattenToString(); 6962 if (admin != null) { 6963 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 6964 if (ap == null) return null; 6965 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 6966 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 6967 List<PersistableBundle> result = new ArrayList<>(); 6968 result.add(trustAgentInfo.options); 6969 return result; 6970 } 6971 6972 // Return strictest policy for this user and profiles that are visible from this user. 6973 List<PersistableBundle> result = null; 6974 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 6975 // of the options. If any admin doesn't have options, discard options for the rest 6976 // and return null. 6977 List<ActiveAdmin> admins = 6978 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 6979 boolean allAdminsHaveOptions = true; 6980 final int N = admins.size(); 6981 for (int i = 0; i < N; i++) { 6982 final ActiveAdmin active = admins.get(i); 6983 6984 final boolean disablesTrust = (active.disabledKeyguardFeatures 6985 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 6986 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 6987 if (info != null && info.options != null && !info.options.isEmpty()) { 6988 if (disablesTrust) { 6989 if (result == null) { 6990 result = new ArrayList<>(); 6991 } 6992 result.add(info.options); 6993 } else { 6994 Log.w(LOG_TAG, "Ignoring admin " + active.info 6995 + " because it has trust options but doesn't declare " 6996 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 6997 } 6998 } else if (disablesTrust) { 6999 allAdminsHaveOptions = false; 7000 break; 7001 } 7002 } 7003 return allAdminsHaveOptions ? result : null; 7004 } 7005 } 7006 7007 @Override 7008 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 7009 Preconditions.checkNotNull(who, "ComponentName is null"); 7010 synchronized (this) { 7011 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7012 7013 int userHandle = UserHandle.getCallingUserId(); 7014 DevicePolicyData userData = getUserData(userHandle); 7015 userData.mRestrictionsProvider = permissionProvider; 7016 saveSettingsLocked(userHandle); 7017 } 7018 } 7019 7020 @Override 7021 public ComponentName getRestrictionsProvider(int userHandle) { 7022 synchronized (this) { 7023 if (!isCallerWithSystemUid()) { 7024 throw new SecurityException("Only the system can query the permission provider"); 7025 } 7026 DevicePolicyData userData = getUserData(userHandle); 7027 return userData != null ? userData.mRestrictionsProvider : null; 7028 } 7029 } 7030 7031 @Override 7032 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 7033 Preconditions.checkNotNull(who, "ComponentName is null"); 7034 int callingUserId = UserHandle.getCallingUserId(); 7035 synchronized (this) { 7036 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7037 7038 long id = mInjector.binderClearCallingIdentity(); 7039 try { 7040 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7041 if (parent == null) { 7042 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 7043 + "parent"); 7044 return; 7045 } 7046 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 7047 mIPackageManager.addCrossProfileIntentFilter( 7048 filter, who.getPackageName(), callingUserId, parent.id, 0); 7049 } 7050 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 7051 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 7052 parent.id, callingUserId, 0); 7053 } 7054 } catch (RemoteException re) { 7055 // Shouldn't happen 7056 } finally { 7057 mInjector.binderRestoreCallingIdentity(id); 7058 } 7059 } 7060 } 7061 7062 @Override 7063 public void clearCrossProfileIntentFilters(ComponentName who) { 7064 Preconditions.checkNotNull(who, "ComponentName is null"); 7065 int callingUserId = UserHandle.getCallingUserId(); 7066 synchronized (this) { 7067 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7068 long id = mInjector.binderClearCallingIdentity(); 7069 try { 7070 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7071 if (parent == null) { 7072 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 7073 + "parent"); 7074 return; 7075 } 7076 // Removing those that go from the managed profile to the parent. 7077 mIPackageManager.clearCrossProfileIntentFilters( 7078 callingUserId, who.getPackageName()); 7079 // And those that go from the parent to the managed profile. 7080 // If we want to support multiple managed profiles, we will have to only remove 7081 // those that have callingUserId as their target. 7082 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 7083 } catch (RemoteException re) { 7084 // Shouldn't happen 7085 } finally { 7086 mInjector.binderRestoreCallingIdentity(id); 7087 } 7088 } 7089 } 7090 7091 /** 7092 * @return true if all packages in enabledPackages are either in the list 7093 * permittedList or are a system app. 7094 */ 7095 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 7096 List<String> permittedList, int userIdToCheck) { 7097 long id = mInjector.binderClearCallingIdentity(); 7098 try { 7099 // If we have an enabled packages list for a managed profile the packages 7100 // we should check are installed for the parent user. 7101 UserInfo user = getUserInfo(userIdToCheck); 7102 if (user.isManagedProfile()) { 7103 userIdToCheck = user.profileGroupId; 7104 } 7105 7106 for (String enabledPackage : enabledPackages) { 7107 boolean systemService = false; 7108 try { 7109 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 7110 enabledPackage, PackageManager.MATCH_UNINSTALLED_PACKAGES, 7111 userIdToCheck); 7112 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7113 } catch (RemoteException e) { 7114 Log.i(LOG_TAG, "Can't talk to package managed", e); 7115 } 7116 if (!systemService && !permittedList.contains(enabledPackage)) { 7117 return false; 7118 } 7119 } 7120 } finally { 7121 mInjector.binderRestoreCallingIdentity(id); 7122 } 7123 return true; 7124 } 7125 7126 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 7127 // Not using AccessibilityManager.getInstance because that guesses 7128 // at the user you require based on callingUid and caches for a given 7129 // process. 7130 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 7131 IAccessibilityManager service = iBinder == null 7132 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 7133 return new AccessibilityManager(mContext, service, userId); 7134 } 7135 7136 @Override 7137 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 7138 if (!mHasFeature) { 7139 return false; 7140 } 7141 Preconditions.checkNotNull(who, "ComponentName is null"); 7142 7143 if (packageList != null) { 7144 int userId = UserHandle.getCallingUserId(); 7145 List<AccessibilityServiceInfo> enabledServices = null; 7146 long id = mInjector.binderClearCallingIdentity(); 7147 try { 7148 UserInfo user = getUserInfo(userId); 7149 if (user.isManagedProfile()) { 7150 userId = user.profileGroupId; 7151 } 7152 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 7153 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 7154 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 7155 } finally { 7156 mInjector.binderRestoreCallingIdentity(id); 7157 } 7158 7159 if (enabledServices != null) { 7160 List<String> enabledPackages = new ArrayList<String>(); 7161 for (AccessibilityServiceInfo service : enabledServices) { 7162 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 7163 } 7164 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7165 userId)) { 7166 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 7167 + "because it contains already enabled accesibility services."); 7168 return false; 7169 } 7170 } 7171 } 7172 7173 synchronized (this) { 7174 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7175 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7176 admin.permittedAccessiblityServices = packageList; 7177 saveSettingsLocked(UserHandle.getCallingUserId()); 7178 } 7179 return true; 7180 } 7181 7182 @Override 7183 public List getPermittedAccessibilityServices(ComponentName who) { 7184 if (!mHasFeature) { 7185 return null; 7186 } 7187 Preconditions.checkNotNull(who, "ComponentName is null"); 7188 7189 synchronized (this) { 7190 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7191 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7192 return admin.permittedAccessiblityServices; 7193 } 7194 } 7195 7196 @Override 7197 public List getPermittedAccessibilityServicesForUser(int userId) { 7198 if (!mHasFeature) { 7199 return null; 7200 } 7201 synchronized (this) { 7202 List<String> result = null; 7203 // If we have multiple profiles we return the intersection of the 7204 // permitted lists. This can happen in cases where we have a device 7205 // and profile owner. 7206 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7207 for (int profileId : profileIds) { 7208 // Just loop though all admins, only device or profiles 7209 // owners can have permitted lists set. 7210 DevicePolicyData policy = getUserDataUnchecked(profileId); 7211 final int N = policy.mAdminList.size(); 7212 for (int j = 0; j < N; j++) { 7213 ActiveAdmin admin = policy.mAdminList.get(j); 7214 List<String> fromAdmin = admin.permittedAccessiblityServices; 7215 if (fromAdmin != null) { 7216 if (result == null) { 7217 result = new ArrayList<>(fromAdmin); 7218 } else { 7219 result.retainAll(fromAdmin); 7220 } 7221 } 7222 } 7223 } 7224 7225 // If we have a permitted list add all system accessibility services. 7226 if (result != null) { 7227 long id = mInjector.binderClearCallingIdentity(); 7228 try { 7229 UserInfo user = getUserInfo(userId); 7230 if (user.isManagedProfile()) { 7231 userId = user.profileGroupId; 7232 } 7233 AccessibilityManager accessibilityManager = 7234 getAccessibilityManagerForUser(userId); 7235 List<AccessibilityServiceInfo> installedServices = 7236 accessibilityManager.getInstalledAccessibilityServiceList(); 7237 7238 if (installedServices != null) { 7239 for (AccessibilityServiceInfo service : installedServices) { 7240 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 7241 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7242 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7243 result.add(serviceInfo.packageName); 7244 } 7245 } 7246 } 7247 } finally { 7248 mInjector.binderRestoreCallingIdentity(id); 7249 } 7250 } 7251 7252 return result; 7253 } 7254 } 7255 7256 @Override 7257 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 7258 int userHandle) { 7259 if (!mHasFeature) { 7260 return true; 7261 } 7262 Preconditions.checkNotNull(who, "ComponentName is null"); 7263 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7264 if (!isCallerWithSystemUid()){ 7265 throw new SecurityException( 7266 "Only the system can query if an accessibility service is disabled by admin"); 7267 } 7268 synchronized (this) { 7269 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7270 if (admin == null) { 7271 return false; 7272 } 7273 if (admin.permittedAccessiblityServices == null) { 7274 return true; 7275 } 7276 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7277 admin.permittedAccessiblityServices, userHandle); 7278 } 7279 } 7280 7281 private boolean checkCallerIsCurrentUserOrProfile() { 7282 int callingUserId = UserHandle.getCallingUserId(); 7283 long token = mInjector.binderClearCallingIdentity(); 7284 try { 7285 UserInfo currentUser; 7286 UserInfo callingUser = getUserInfo(callingUserId); 7287 try { 7288 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7289 } catch (RemoteException e) { 7290 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 7291 return false; 7292 } 7293 7294 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 7295 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 7296 + "of a user that isn't the foreground user."); 7297 return false; 7298 } 7299 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 7300 Slog.e(LOG_TAG, "Cannot set permitted input methods " 7301 + "of a user that isn't the foreground user."); 7302 return false; 7303 } 7304 } finally { 7305 mInjector.binderRestoreCallingIdentity(token); 7306 } 7307 return true; 7308 } 7309 7310 @Override 7311 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 7312 if (!mHasFeature) { 7313 return false; 7314 } 7315 Preconditions.checkNotNull(who, "ComponentName is null"); 7316 7317 // TODO When InputMethodManager supports per user calls remove 7318 // this restriction. 7319 if (!checkCallerIsCurrentUserOrProfile()) { 7320 return false; 7321 } 7322 7323 if (packageList != null) { 7324 // InputMethodManager fetches input methods for current user. 7325 // So this can only be set when calling user is the current user 7326 // or parent is current user in case of managed profiles. 7327 InputMethodManager inputMethodManager = 7328 mContext.getSystemService(InputMethodManager.class); 7329 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 7330 7331 if (enabledImes != null) { 7332 List<String> enabledPackages = new ArrayList<String>(); 7333 for (InputMethodInfo ime : enabledImes) { 7334 enabledPackages.add(ime.getPackageName()); 7335 } 7336 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7337 mInjector.binderGetCallingUserHandle().getIdentifier())) { 7338 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 7339 + "because it contains already enabled input method."); 7340 return false; 7341 } 7342 } 7343 } 7344 7345 synchronized (this) { 7346 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7347 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7348 admin.permittedInputMethods = packageList; 7349 saveSettingsLocked(UserHandle.getCallingUserId()); 7350 } 7351 return true; 7352 } 7353 7354 @Override 7355 public List getPermittedInputMethods(ComponentName who) { 7356 if (!mHasFeature) { 7357 return null; 7358 } 7359 Preconditions.checkNotNull(who, "ComponentName is null"); 7360 7361 synchronized (this) { 7362 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7363 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7364 return admin.permittedInputMethods; 7365 } 7366 } 7367 7368 @Override 7369 public List getPermittedInputMethodsForCurrentUser() { 7370 UserInfo currentUser; 7371 try { 7372 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7373 } catch (RemoteException e) { 7374 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 7375 // Activity managed is dead, just allow all IMEs 7376 return null; 7377 } 7378 7379 int userId = currentUser.id; 7380 synchronized (this) { 7381 List<String> result = null; 7382 // If we have multiple profiles we return the intersection of the 7383 // permitted lists. This can happen in cases where we have a device 7384 // and profile owner. 7385 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7386 for (int profileId : profileIds) { 7387 // Just loop though all admins, only device or profiles 7388 // owners can have permitted lists set. 7389 DevicePolicyData policy = getUserDataUnchecked(profileId); 7390 final int N = policy.mAdminList.size(); 7391 for (int j = 0; j < N; j++) { 7392 ActiveAdmin admin = policy.mAdminList.get(j); 7393 List<String> fromAdmin = admin.permittedInputMethods; 7394 if (fromAdmin != null) { 7395 if (result == null) { 7396 result = new ArrayList<String>(fromAdmin); 7397 } else { 7398 result.retainAll(fromAdmin); 7399 } 7400 } 7401 } 7402 } 7403 7404 // If we have a permitted list add all system input methods. 7405 if (result != null) { 7406 InputMethodManager inputMethodManager = 7407 mContext.getSystemService(InputMethodManager.class); 7408 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 7409 long id = mInjector.binderClearCallingIdentity(); 7410 try { 7411 if (imes != null) { 7412 for (InputMethodInfo ime : imes) { 7413 ServiceInfo serviceInfo = ime.getServiceInfo(); 7414 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7415 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7416 result.add(serviceInfo.packageName); 7417 } 7418 } 7419 } 7420 } finally { 7421 mInjector.binderRestoreCallingIdentity(id); 7422 } 7423 } 7424 return result; 7425 } 7426 } 7427 7428 @Override 7429 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 7430 int userHandle) { 7431 if (!mHasFeature) { 7432 return true; 7433 } 7434 Preconditions.checkNotNull(who, "ComponentName is null"); 7435 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7436 if (!isCallerWithSystemUid()) { 7437 throw new SecurityException( 7438 "Only the system can query if an input method is disabled by admin"); 7439 } 7440 synchronized (this) { 7441 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7442 if (admin == null) { 7443 return false; 7444 } 7445 if (admin.permittedInputMethods == null) { 7446 return true; 7447 } 7448 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7449 admin.permittedInputMethods, userHandle); 7450 } 7451 } 7452 7453 private void sendAdminEnabledBroadcastLocked(int userHandle) { 7454 DevicePolicyData policyData = getUserData(userHandle); 7455 if (policyData.mAdminBroadcastPending) { 7456 // Send the initialization data to profile owner and delete the data 7457 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 7458 if (admin != null) { 7459 PersistableBundle initBundle = policyData.mInitBundle; 7460 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 7461 initBundle == null ? null : new Bundle(initBundle), null); 7462 } 7463 policyData.mInitBundle = null; 7464 policyData.mAdminBroadcastPending = false; 7465 saveSettingsLocked(userHandle); 7466 } 7467 } 7468 7469 @Override 7470 public UserHandle createAndManageUser(ComponentName admin, String name, 7471 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 7472 Preconditions.checkNotNull(admin, "admin is null"); 7473 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 7474 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 7475 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 7476 + admin + " are not in the same package"); 7477 } 7478 // Only allow the system user to use this method 7479 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 7480 throw new SecurityException("createAndManageUser was called from non-system user"); 7481 } 7482 if (!mInjector.userManagerIsSplitSystemUser() 7483 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7484 throw new IllegalArgumentException( 7485 "Ephemeral users are only supported on systems with a split system user."); 7486 } 7487 // Create user. 7488 UserHandle user = null; 7489 synchronized (this) { 7490 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7491 7492 final long id = mInjector.binderClearCallingIdentity(); 7493 try { 7494 int userInfoFlags = 0; 7495 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7496 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 7497 } 7498 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 7499 userInfoFlags); 7500 if (userInfo != null) { 7501 user = userInfo.getUserHandle(); 7502 } 7503 } finally { 7504 mInjector.binderRestoreCallingIdentity(id); 7505 } 7506 } 7507 if (user == null) { 7508 return null; 7509 } 7510 // Set admin. 7511 final long id = mInjector.binderClearCallingIdentity(); 7512 try { 7513 final String adminPkg = admin.getPackageName(); 7514 7515 final int userHandle = user.getIdentifier(); 7516 try { 7517 // Install the profile owner if not present. 7518 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 7519 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle); 7520 } 7521 } catch (RemoteException e) { 7522 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 7523 + "removing created user", e); 7524 mUserManager.removeUser(user.getIdentifier()); 7525 return null; 7526 } 7527 7528 setActiveAdmin(profileOwner, true, userHandle); 7529 // User is not started yet, the broadcast by setActiveAdmin will not be received. 7530 // So we store adminExtras for broadcasting when the user starts for first time. 7531 synchronized(this) { 7532 DevicePolicyData policyData = getUserData(userHandle); 7533 policyData.mInitBundle = adminExtras; 7534 policyData.mAdminBroadcastPending = true; 7535 saveSettingsLocked(userHandle); 7536 } 7537 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 7538 setProfileOwner(profileOwner, ownerName, userHandle); 7539 7540 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 7541 Settings.Secure.putIntForUser(mContext.getContentResolver(), 7542 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 7543 } 7544 7545 return user; 7546 } finally { 7547 mInjector.binderRestoreCallingIdentity(id); 7548 } 7549 } 7550 7551 @Override 7552 public boolean removeUser(ComponentName who, UserHandle userHandle) { 7553 Preconditions.checkNotNull(who, "ComponentName is null"); 7554 synchronized (this) { 7555 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7556 } 7557 7558 final int callingUserId = mInjector.userHandleGetCallingUserId(); 7559 final long id = mInjector.binderClearCallingIdentity(); 7560 try { 7561 String restriction = isManagedProfile(userHandle.getIdentifier()) 7562 ? UserManager.DISALLOW_REMOVE_MANAGED_PROFILE 7563 : UserManager.DISALLOW_REMOVE_USER; 7564 if (isAdminAffectedByRestriction(who, restriction, callingUserId)) { 7565 Log.w(LOG_TAG, "The device owner cannot remove a user because " 7566 + restriction + " is enabled, and was not set by the device owner"); 7567 return false; 7568 } 7569 return mUserManagerInternal.removeUserEvenWhenDisallowed(userHandle.getIdentifier()); 7570 } finally { 7571 mInjector.binderRestoreCallingIdentity(id); 7572 } 7573 } 7574 7575 private boolean isAdminAffectedByRestriction( 7576 ComponentName admin, String userRestriction, int userId) { 7577 switch(mUserManager.getUserRestrictionSource(userRestriction, UserHandle.of(userId))) { 7578 case UserManager.RESTRICTION_NOT_SET: 7579 return false; 7580 case UserManager.RESTRICTION_SOURCE_DEVICE_OWNER: 7581 return !isDeviceOwner(admin, userId); 7582 case UserManager.RESTRICTION_SOURCE_PROFILE_OWNER: 7583 return !isProfileOwner(admin, userId); 7584 default: 7585 return true; 7586 } 7587 } 7588 7589 @Override 7590 public boolean switchUser(ComponentName who, UserHandle userHandle) { 7591 Preconditions.checkNotNull(who, "ComponentName is null"); 7592 synchronized (this) { 7593 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7594 7595 long id = mInjector.binderClearCallingIdentity(); 7596 try { 7597 int userId = UserHandle.USER_SYSTEM; 7598 if (userHandle != null) { 7599 userId = userHandle.getIdentifier(); 7600 } 7601 return mInjector.getIActivityManager().switchUser(userId); 7602 } catch (RemoteException e) { 7603 Log.e(LOG_TAG, "Couldn't switch user", e); 7604 return false; 7605 } finally { 7606 mInjector.binderRestoreCallingIdentity(id); 7607 } 7608 } 7609 } 7610 7611 @Override 7612 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 7613 enforceCanManageApplicationRestrictions(who); 7614 7615 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7616 final long id = mInjector.binderClearCallingIdentity(); 7617 try { 7618 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 7619 // if no restrictions were saved, mUserManager.getApplicationRestrictions 7620 // returns null, but DPM method should return an empty Bundle as per JavaDoc 7621 return bundle != null ? bundle : Bundle.EMPTY; 7622 } finally { 7623 mInjector.binderRestoreCallingIdentity(id); 7624 } 7625 } 7626 7627 @Override 7628 public String[] setPackagesSuspended(ComponentName who, String[] packageNames, 7629 boolean suspended) { 7630 Preconditions.checkNotNull(who, "ComponentName is null"); 7631 int callingUserId = UserHandle.getCallingUserId(); 7632 synchronized (this) { 7633 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7634 7635 long id = mInjector.binderClearCallingIdentity(); 7636 try { 7637 return mIPackageManager.setPackagesSuspendedAsUser( 7638 packageNames, suspended, callingUserId); 7639 } catch (RemoteException re) { 7640 // Shouldn't happen. 7641 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7642 } finally { 7643 mInjector.binderRestoreCallingIdentity(id); 7644 } 7645 return packageNames; 7646 } 7647 } 7648 7649 @Override 7650 public boolean isPackageSuspended(ComponentName who, String packageName) { 7651 Preconditions.checkNotNull(who, "ComponentName is null"); 7652 int callingUserId = UserHandle.getCallingUserId(); 7653 synchronized (this) { 7654 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7655 7656 long id = mInjector.binderClearCallingIdentity(); 7657 try { 7658 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 7659 } catch (RemoteException re) { 7660 // Shouldn't happen. 7661 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7662 } finally { 7663 mInjector.binderRestoreCallingIdentity(id); 7664 } 7665 return false; 7666 } 7667 } 7668 7669 @Override 7670 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 7671 Preconditions.checkNotNull(who, "ComponentName is null"); 7672 if (!UserRestrictionsUtils.isValidRestriction(key)) { 7673 return; 7674 } 7675 7676 final int userHandle = mInjector.userHandleGetCallingUserId(); 7677 synchronized (this) { 7678 ActiveAdmin activeAdmin = 7679 getActiveAdminForCallerLocked(who, 7680 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7681 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 7682 if (isDeviceOwner) { 7683 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 7684 throw new SecurityException("Device owner cannot set user restriction " + key); 7685 } 7686 } else { // profile owner 7687 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 7688 throw new SecurityException("Profile owner cannot set user restriction " + key); 7689 } 7690 } 7691 7692 // Save the restriction to ActiveAdmin. 7693 activeAdmin.ensureUserRestrictions().putBoolean(key, enabledFromThisOwner); 7694 saveUserRestrictionsLocked(userHandle); 7695 } 7696 } 7697 7698 private void saveUserRestrictionsLocked(int userId) { 7699 saveSettingsLocked(userId); 7700 pushUserRestrictions(userId); 7701 sendChangedNotification(userId); 7702 } 7703 7704 private void pushUserRestrictions(int userId) { 7705 synchronized (this) { 7706 final Bundle global; 7707 final Bundle local = new Bundle(); 7708 if (mOwners.isDeviceOwnerUserId(userId)) { 7709 global = new Bundle(); 7710 7711 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 7712 if (deviceOwner == null) { 7713 return; // Shouldn't happen. 7714 } 7715 7716 UserRestrictionsUtils.sortToGlobalAndLocal(deviceOwner.userRestrictions, 7717 global, local); 7718 // DO can disable camera globally. 7719 if (deviceOwner.disableCamera) { 7720 global.putBoolean(UserManager.DISALLOW_CAMERA, true); 7721 } 7722 } else { 7723 global = null; 7724 7725 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 7726 if (profileOwner != null) { 7727 UserRestrictionsUtils.merge(local, profileOwner.userRestrictions); 7728 } 7729 } 7730 // Also merge in *local* camera restriction. 7731 if (getCameraDisabled(/* who= */ null, 7732 userId, /* mergeDeviceOwnerRestriction= */ false)) { 7733 local.putBoolean(UserManager.DISALLOW_CAMERA, true); 7734 } 7735 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, local, global); 7736 } 7737 } 7738 7739 @Override 7740 public Bundle getUserRestrictions(ComponentName who) { 7741 if (!mHasFeature) { 7742 return null; 7743 } 7744 Preconditions.checkNotNull(who, "ComponentName is null"); 7745 synchronized (this) { 7746 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 7747 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7748 return activeAdmin.userRestrictions; 7749 } 7750 } 7751 7752 @Override 7753 public boolean setApplicationHidden(ComponentName who, String packageName, 7754 boolean hidden) { 7755 Preconditions.checkNotNull(who, "ComponentName is null"); 7756 int callingUserId = UserHandle.getCallingUserId(); 7757 synchronized (this) { 7758 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7759 7760 long id = mInjector.binderClearCallingIdentity(); 7761 try { 7762 return mIPackageManager.setApplicationHiddenSettingAsUser( 7763 packageName, hidden, callingUserId); 7764 } catch (RemoteException re) { 7765 // shouldn't happen 7766 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 7767 } finally { 7768 mInjector.binderRestoreCallingIdentity(id); 7769 } 7770 return false; 7771 } 7772 } 7773 7774 @Override 7775 public boolean isApplicationHidden(ComponentName who, String packageName) { 7776 Preconditions.checkNotNull(who, "ComponentName is null"); 7777 int callingUserId = UserHandle.getCallingUserId(); 7778 synchronized (this) { 7779 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7780 7781 long id = mInjector.binderClearCallingIdentity(); 7782 try { 7783 return mIPackageManager.getApplicationHiddenSettingAsUser( 7784 packageName, callingUserId); 7785 } catch (RemoteException re) { 7786 // shouldn't happen 7787 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 7788 } finally { 7789 mInjector.binderRestoreCallingIdentity(id); 7790 } 7791 return false; 7792 } 7793 } 7794 7795 @Override 7796 public void enableSystemApp(ComponentName who, String packageName) { 7797 Preconditions.checkNotNull(who, "ComponentName is null"); 7798 synchronized (this) { 7799 // This API can only be called by an active device admin, 7800 // so try to retrieve it to check that the caller is one. 7801 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7802 7803 int userId = UserHandle.getCallingUserId(); 7804 long id = mInjector.binderClearCallingIdentity(); 7805 7806 try { 7807 if (VERBOSE_LOG) { 7808 Slog.v(LOG_TAG, "installing " + packageName + " for " 7809 + userId); 7810 } 7811 7812 int parentUserId = getProfileParentId(userId); 7813 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 7814 throw new IllegalArgumentException("Only system apps can be enabled this way."); 7815 } 7816 7817 // Install the app. 7818 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7819 7820 } catch (RemoteException re) { 7821 // shouldn't happen 7822 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 7823 } finally { 7824 mInjector.binderRestoreCallingIdentity(id); 7825 } 7826 } 7827 } 7828 7829 @Override 7830 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 7831 Preconditions.checkNotNull(who, "ComponentName is null"); 7832 synchronized (this) { 7833 // This API can only be called by an active device admin, 7834 // so try to retrieve it to check that the caller is one. 7835 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7836 7837 int userId = UserHandle.getCallingUserId(); 7838 long id = mInjector.binderClearCallingIdentity(); 7839 7840 try { 7841 int parentUserId = getProfileParentId(userId); 7842 List<ResolveInfo> activitiesToEnable = mIPackageManager 7843 .queryIntentActivities(intent, 7844 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 7845 PackageManager.MATCH_DIRECT_BOOT_AWARE 7846 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 7847 parentUserId) 7848 .getList(); 7849 7850 if (VERBOSE_LOG) { 7851 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 7852 } 7853 int numberOfAppsInstalled = 0; 7854 if (activitiesToEnable != null) { 7855 for (ResolveInfo info : activitiesToEnable) { 7856 if (info.activityInfo != null) { 7857 String packageName = info.activityInfo.packageName; 7858 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 7859 numberOfAppsInstalled++; 7860 mIPackageManager.installExistingPackageAsUser(packageName, userId); 7861 } else { 7862 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 7863 + " system app"); 7864 } 7865 } 7866 } 7867 } 7868 return numberOfAppsInstalled; 7869 } catch (RemoteException e) { 7870 // shouldn't happen 7871 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 7872 return 0; 7873 } finally { 7874 mInjector.binderRestoreCallingIdentity(id); 7875 } 7876 } 7877 } 7878 7879 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 7880 throws RemoteException { 7881 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, MATCH_UNINSTALLED_PACKAGES, 7882 userId); 7883 if (appInfo == null) { 7884 throw new IllegalArgumentException("The application " + packageName + 7885 " is not present on this device"); 7886 } 7887 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7888 } 7889 7890 @Override 7891 public void setAccountManagementDisabled(ComponentName who, String accountType, 7892 boolean disabled) { 7893 if (!mHasFeature) { 7894 return; 7895 } 7896 Preconditions.checkNotNull(who, "ComponentName is null"); 7897 synchronized (this) { 7898 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 7899 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7900 if (disabled) { 7901 ap.accountTypesWithManagementDisabled.add(accountType); 7902 } else { 7903 ap.accountTypesWithManagementDisabled.remove(accountType); 7904 } 7905 saveSettingsLocked(UserHandle.getCallingUserId()); 7906 } 7907 } 7908 7909 @Override 7910 public String[] getAccountTypesWithManagementDisabled() { 7911 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 7912 } 7913 7914 @Override 7915 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 7916 enforceFullCrossUsersPermission(userId); 7917 if (!mHasFeature) { 7918 return null; 7919 } 7920 synchronized (this) { 7921 DevicePolicyData policy = getUserData(userId); 7922 final int N = policy.mAdminList.size(); 7923 ArraySet<String> resultSet = new ArraySet<>(); 7924 for (int i = 0; i < N; i++) { 7925 ActiveAdmin admin = policy.mAdminList.get(i); 7926 resultSet.addAll(admin.accountTypesWithManagementDisabled); 7927 } 7928 return resultSet.toArray(new String[resultSet.size()]); 7929 } 7930 } 7931 7932 @Override 7933 public void setUninstallBlocked(ComponentName who, String packageName, 7934 boolean uninstallBlocked) { 7935 Preconditions.checkNotNull(who, "ComponentName is null"); 7936 final int userId = UserHandle.getCallingUserId(); 7937 synchronized (this) { 7938 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7939 7940 long id = mInjector.binderClearCallingIdentity(); 7941 try { 7942 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 7943 } catch (RemoteException re) { 7944 // Shouldn't happen. 7945 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 7946 } finally { 7947 mInjector.binderRestoreCallingIdentity(id); 7948 } 7949 } 7950 } 7951 7952 @Override 7953 public boolean isUninstallBlocked(ComponentName who, String packageName) { 7954 // This function should return true if and only if the package is blocked by 7955 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 7956 // when the package is a system app, or when it is an active device admin. 7957 final int userId = UserHandle.getCallingUserId(); 7958 7959 synchronized (this) { 7960 if (who != null) { 7961 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7962 } 7963 7964 long id = mInjector.binderClearCallingIdentity(); 7965 try { 7966 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 7967 } catch (RemoteException re) { 7968 // Shouldn't happen. 7969 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 7970 } finally { 7971 mInjector.binderRestoreCallingIdentity(id); 7972 } 7973 } 7974 return false; 7975 } 7976 7977 @Override 7978 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 7979 if (!mHasFeature) { 7980 return; 7981 } 7982 Preconditions.checkNotNull(who, "ComponentName is null"); 7983 synchronized (this) { 7984 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7985 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7986 if (admin.disableCallerId != disabled) { 7987 admin.disableCallerId = disabled; 7988 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 7989 } 7990 } 7991 } 7992 7993 @Override 7994 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 7995 if (!mHasFeature) { 7996 return false; 7997 } 7998 Preconditions.checkNotNull(who, "ComponentName is null"); 7999 synchronized (this) { 8000 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8001 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8002 return admin.disableCallerId; 8003 } 8004 } 8005 8006 @Override 8007 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 8008 enforceCrossUsersPermission(userId); 8009 synchronized (this) { 8010 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8011 return (admin != null) ? admin.disableCallerId : false; 8012 } 8013 } 8014 8015 @Override 8016 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 8017 if (!mHasFeature) { 8018 return; 8019 } 8020 Preconditions.checkNotNull(who, "ComponentName is null"); 8021 synchronized (this) { 8022 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8023 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8024 if (admin.disableContactsSearch != disabled) { 8025 admin.disableContactsSearch = disabled; 8026 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8027 } 8028 } 8029 } 8030 8031 @Override 8032 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 8033 if (!mHasFeature) { 8034 return false; 8035 } 8036 Preconditions.checkNotNull(who, "ComponentName is null"); 8037 synchronized (this) { 8038 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8039 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8040 return admin.disableContactsSearch; 8041 } 8042 } 8043 8044 @Override 8045 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 8046 enforceCrossUsersPermission(userId); 8047 synchronized (this) { 8048 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8049 return (admin != null) ? admin.disableContactsSearch : false; 8050 } 8051 } 8052 8053 @Override 8054 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 8055 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 8056 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 8057 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 8058 final int callingUserId = UserHandle.getCallingUserId(); 8059 8060 final long ident = mInjector.binderClearCallingIdentity(); 8061 try { 8062 synchronized (this) { 8063 final int managedUserId = getManagedUserId(callingUserId); 8064 if (managedUserId < 0) { 8065 return; 8066 } 8067 if (isCrossProfileQuickContactDisabled(managedUserId)) { 8068 if (VERBOSE_LOG) { 8069 Log.v(LOG_TAG, 8070 "Cross-profile contacts access disabled for user " + managedUserId); 8071 } 8072 return; 8073 } 8074 ContactsInternal.startQuickContactWithErrorToastForUser( 8075 mContext, intent, new UserHandle(managedUserId)); 8076 } 8077 } finally { 8078 mInjector.binderRestoreCallingIdentity(ident); 8079 } 8080 } 8081 8082 /** 8083 * @return true if cross-profile QuickContact is disabled 8084 */ 8085 private boolean isCrossProfileQuickContactDisabled(int userId) { 8086 return getCrossProfileCallerIdDisabledForUser(userId) 8087 && getCrossProfileContactsSearchDisabledForUser(userId); 8088 } 8089 8090 /** 8091 * @return the user ID of the managed user that is linked to the current user, if any. 8092 * Otherwise -1. 8093 */ 8094 public int getManagedUserId(int callingUserId) { 8095 if (VERBOSE_LOG) { 8096 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 8097 } 8098 8099 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 8100 if (ui.id == callingUserId || !ui.isManagedProfile()) { 8101 continue; // Caller user self, or not a managed profile. Skip. 8102 } 8103 if (VERBOSE_LOG) { 8104 Log.v(LOG_TAG, "Managed user=" + ui.id); 8105 } 8106 return ui.id; 8107 } 8108 if (VERBOSE_LOG) { 8109 Log.v(LOG_TAG, "Managed user not found."); 8110 } 8111 return -1; 8112 } 8113 8114 @Override 8115 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 8116 if (!mHasFeature) { 8117 return; 8118 } 8119 Preconditions.checkNotNull(who, "ComponentName is null"); 8120 synchronized (this) { 8121 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8122 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8123 if (admin.disableBluetoothContactSharing != disabled) { 8124 admin.disableBluetoothContactSharing = disabled; 8125 saveSettingsLocked(UserHandle.getCallingUserId()); 8126 } 8127 } 8128 } 8129 8130 @Override 8131 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 8132 if (!mHasFeature) { 8133 return false; 8134 } 8135 Preconditions.checkNotNull(who, "ComponentName is null"); 8136 synchronized (this) { 8137 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8138 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8139 return admin.disableBluetoothContactSharing; 8140 } 8141 } 8142 8143 @Override 8144 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 8145 // TODO: Should there be a check to make sure this relationship is 8146 // within a profile group? 8147 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 8148 synchronized (this) { 8149 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8150 return (admin != null) ? admin.disableBluetoothContactSharing : false; 8151 } 8152 } 8153 8154 /** 8155 * Sets which packages may enter lock task mode. 8156 * 8157 * <p>This function can only be called by the device owner or alternatively by the profile owner 8158 * in case the user is affiliated. 8159 * 8160 * @param packages The list of packages allowed to enter lock task mode. 8161 */ 8162 @Override 8163 public void setLockTaskPackages(ComponentName who, String[] packages) 8164 throws SecurityException { 8165 Preconditions.checkNotNull(who, "ComponentName is null"); 8166 8167 synchronized (this) { 8168 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8169 final int userHandle = mInjector.userHandleGetCallingUserId(); 8170 if (isUserAffiliatedWithDevice(userHandle)) { 8171 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 8172 } else { 8173 throw new SecurityException("Admin " + who + 8174 " is neither the device owner or affiliated user's profile owner."); 8175 } 8176 } 8177 } 8178 8179 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 8180 DevicePolicyData policy = getUserData(userHandle); 8181 policy.mLockTaskPackages = packages; 8182 8183 // Store the settings persistently. 8184 saveSettingsLocked(userHandle); 8185 updateLockTaskPackagesLocked(packages, userHandle); 8186 } 8187 8188 /** 8189 * This function returns the list of components allowed to start the task lock mode. 8190 */ 8191 @Override 8192 public String[] getLockTaskPackages(ComponentName who) { 8193 Preconditions.checkNotNull(who, "ComponentName is null"); 8194 synchronized (this) { 8195 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8196 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 8197 final List<String> packages = getLockTaskPackagesLocked(userHandle); 8198 return packages.toArray(new String[packages.size()]); 8199 } 8200 } 8201 8202 private List<String> getLockTaskPackagesLocked(int userHandle) { 8203 final DevicePolicyData policy = getUserData(userHandle); 8204 return policy.mLockTaskPackages; 8205 } 8206 8207 /** 8208 * This function lets the caller know whether the given package is allowed to start the 8209 * lock task mode. 8210 * @param pkg The package to check 8211 */ 8212 @Override 8213 public boolean isLockTaskPermitted(String pkg) { 8214 // Get current user's devicepolicy 8215 int uid = mInjector.binderGetCallingUid(); 8216 int userHandle = UserHandle.getUserId(uid); 8217 DevicePolicyData policy = getUserData(userHandle); 8218 synchronized (this) { 8219 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 8220 String lockTaskPackage = policy.mLockTaskPackages.get(i); 8221 8222 // If the given package equals one of the packages stored our list, 8223 // we allow this package to start lock task mode. 8224 if (lockTaskPackage.equals(pkg)) { 8225 return true; 8226 } 8227 } 8228 } 8229 return false; 8230 } 8231 8232 @Override 8233 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 8234 if (!isCallerWithSystemUid()) { 8235 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 8236 } 8237 synchronized (this) { 8238 final DevicePolicyData policy = getUserData(userHandle); 8239 Bundle adminExtras = new Bundle(); 8240 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 8241 for (ActiveAdmin admin : policy.mAdminList) { 8242 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 8243 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 8244 if (ownsDevice || ownsProfile) { 8245 if (isEnabled) { 8246 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 8247 adminExtras, null); 8248 } else { 8249 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 8250 } 8251 } 8252 } 8253 } 8254 } 8255 8256 @Override 8257 public void setGlobalSetting(ComponentName who, String setting, String value) { 8258 Preconditions.checkNotNull(who, "ComponentName is null"); 8259 8260 synchronized (this) { 8261 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8262 8263 // Some settings are no supported any more. However we do not want to throw a 8264 // SecurityException to avoid breaking apps. 8265 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 8266 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 8267 return; 8268 } 8269 8270 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 8271 throw new SecurityException(String.format( 8272 "Permission denial: device owners cannot update %1$s", setting)); 8273 } 8274 8275 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 8276 // ignore if it contradicts an existing policy 8277 long timeMs = getMaximumTimeToLock( 8278 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 8279 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 8280 return; 8281 } 8282 } 8283 8284 long id = mInjector.binderClearCallingIdentity(); 8285 try { 8286 mInjector.settingsGlobalPutString(setting, value); 8287 } finally { 8288 mInjector.binderRestoreCallingIdentity(id); 8289 } 8290 } 8291 } 8292 8293 @Override 8294 public void setSecureSetting(ComponentName who, String setting, String value) { 8295 Preconditions.checkNotNull(who, "ComponentName is null"); 8296 int callingUserId = mInjector.userHandleGetCallingUserId(); 8297 8298 synchronized (this) { 8299 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8300 8301 if (isDeviceOwner(who, callingUserId)) { 8302 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 8303 throw new SecurityException(String.format( 8304 "Permission denial: Device owners cannot update %1$s", setting)); 8305 } 8306 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 8307 throw new SecurityException(String.format( 8308 "Permission denial: Profile owners cannot update %1$s", setting)); 8309 } 8310 8311 long id = mInjector.binderClearCallingIdentity(); 8312 try { 8313 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 8314 } finally { 8315 mInjector.binderRestoreCallingIdentity(id); 8316 } 8317 } 8318 } 8319 8320 @Override 8321 public void setMasterVolumeMuted(ComponentName who, boolean on) { 8322 Preconditions.checkNotNull(who, "ComponentName is null"); 8323 synchronized (this) { 8324 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8325 setUserRestriction(who, UserManager.DISALLLOW_UNMUTE_DEVICE, on); 8326 } 8327 } 8328 8329 @Override 8330 public boolean isMasterVolumeMuted(ComponentName who) { 8331 Preconditions.checkNotNull(who, "ComponentName is null"); 8332 synchronized (this) { 8333 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8334 8335 AudioManager audioManager = 8336 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 8337 return audioManager.isMasterMute(); 8338 } 8339 } 8340 8341 @Override 8342 public void setUserIcon(ComponentName who, Bitmap icon) { 8343 synchronized (this) { 8344 Preconditions.checkNotNull(who, "ComponentName is null"); 8345 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8346 8347 int userId = UserHandle.getCallingUserId(); 8348 long id = mInjector.binderClearCallingIdentity(); 8349 try { 8350 mUserManagerInternal.setUserIcon(userId, icon); 8351 } finally { 8352 mInjector.binderRestoreCallingIdentity(id); 8353 } 8354 } 8355 } 8356 8357 @Override 8358 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 8359 Preconditions.checkNotNull(who, "ComponentName is null"); 8360 synchronized (this) { 8361 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8362 } 8363 final int userId = UserHandle.getCallingUserId(); 8364 8365 long ident = mInjector.binderClearCallingIdentity(); 8366 try { 8367 // disallow disabling the keyguard if a password is currently set 8368 if (disabled && mLockPatternUtils.isSecure(userId)) { 8369 return false; 8370 } 8371 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 8372 } finally { 8373 mInjector.binderRestoreCallingIdentity(ident); 8374 } 8375 return true; 8376 } 8377 8378 @Override 8379 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 8380 int userId = UserHandle.getCallingUserId(); 8381 synchronized (this) { 8382 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8383 DevicePolicyData policy = getUserData(userId); 8384 if (policy.mStatusBarDisabled != disabled) { 8385 if (!setStatusBarDisabledInternal(disabled, userId)) { 8386 return false; 8387 } 8388 policy.mStatusBarDisabled = disabled; 8389 saveSettingsLocked(userId); 8390 } 8391 } 8392 return true; 8393 } 8394 8395 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 8396 long ident = mInjector.binderClearCallingIdentity(); 8397 try { 8398 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 8399 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 8400 if (statusBarService != null) { 8401 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 8402 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 8403 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 8404 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 8405 return true; 8406 } 8407 } catch (RemoteException e) { 8408 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 8409 } finally { 8410 mInjector.binderRestoreCallingIdentity(ident); 8411 } 8412 return false; 8413 } 8414 8415 /** 8416 * We need to update the internal state of whether a user has completed setup or a 8417 * device has paired once. After that, we ignore any changes that reset the 8418 * Settings.Secure.USER_SETUP_COMPLETE or Settings.Secure.DEVICE_PAIRED change 8419 * as we don't trust any apps that might try to reset them. 8420 * <p> 8421 * Unfortunately, we don't know which user's setup state was changed, so we write all of 8422 * them. 8423 */ 8424 void updateUserSetupCompleteAndPaired() { 8425 List<UserInfo> users = mUserManager.getUsers(true); 8426 final int N = users.size(); 8427 for (int i = 0; i < N; i++) { 8428 int userHandle = users.get(i).id; 8429 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 8430 userHandle) != 0) { 8431 DevicePolicyData policy = getUserData(userHandle); 8432 if (!policy.mUserSetupComplete) { 8433 policy.mUserSetupComplete = true; 8434 synchronized (this) { 8435 saveSettingsLocked(userHandle); 8436 } 8437 } 8438 } 8439 if (mIsWatch && mInjector.settingsSecureGetIntForUser(Settings.Secure.DEVICE_PAIRED, 0, 8440 userHandle) != 0) { 8441 DevicePolicyData policy = getUserData(userHandle); 8442 if (!policy.mPaired) { 8443 policy.mPaired = true; 8444 synchronized (this) { 8445 saveSettingsLocked(userHandle); 8446 } 8447 } 8448 } 8449 } 8450 } 8451 8452 private class SetupContentObserver extends ContentObserver { 8453 8454 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 8455 Settings.Secure.USER_SETUP_COMPLETE); 8456 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 8457 Settings.Global.DEVICE_PROVISIONED); 8458 private final Uri mPaired = Settings.Secure.getUriFor(Settings.Secure.DEVICE_PAIRED); 8459 8460 public SetupContentObserver(Handler handler) { 8461 super(handler); 8462 } 8463 8464 void register() { 8465 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 8466 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 8467 if (mIsWatch) { 8468 mInjector.registerContentObserver(mPaired, false, this, UserHandle.USER_ALL); 8469 } 8470 } 8471 8472 @Override 8473 public void onChange(boolean selfChange, Uri uri) { 8474 if (mUserSetupComplete.equals(uri) || (mIsWatch && mPaired.equals(uri))) { 8475 updateUserSetupCompleteAndPaired(); 8476 } else if (mDeviceProvisioned.equals(uri)) { 8477 synchronized (DevicePolicyManagerService.this) { 8478 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 8479 // is delayed until device is marked as provisioned. 8480 setDeviceOwnerSystemPropertyLocked(); 8481 } 8482 } 8483 } 8484 } 8485 8486 @VisibleForTesting 8487 final class LocalService extends DevicePolicyManagerInternal { 8488 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 8489 8490 @Override 8491 public List<String> getCrossProfileWidgetProviders(int profileId) { 8492 synchronized (DevicePolicyManagerService.this) { 8493 if (mOwners == null) { 8494 return Collections.emptyList(); 8495 } 8496 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 8497 if (ownerComponent == null) { 8498 return Collections.emptyList(); 8499 } 8500 8501 DevicePolicyData policy = getUserDataUnchecked(profileId); 8502 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 8503 8504 if (admin == null || admin.crossProfileWidgetProviders == null 8505 || admin.crossProfileWidgetProviders.isEmpty()) { 8506 return Collections.emptyList(); 8507 } 8508 8509 return admin.crossProfileWidgetProviders; 8510 } 8511 } 8512 8513 @Override 8514 public void addOnCrossProfileWidgetProvidersChangeListener( 8515 OnCrossProfileWidgetProvidersChangeListener listener) { 8516 synchronized (DevicePolicyManagerService.this) { 8517 if (mWidgetProviderListeners == null) { 8518 mWidgetProviderListeners = new ArrayList<>(); 8519 } 8520 if (!mWidgetProviderListeners.contains(listener)) { 8521 mWidgetProviderListeners.add(listener); 8522 } 8523 } 8524 } 8525 8526 @Override 8527 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 8528 synchronized(DevicePolicyManagerService.this) { 8529 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 8530 } 8531 } 8532 8533 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 8534 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 8535 synchronized (DevicePolicyManagerService.this) { 8536 listeners = new ArrayList<>(mWidgetProviderListeners); 8537 } 8538 final int listenerCount = listeners.size(); 8539 for (int i = 0; i < listenerCount; i++) { 8540 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 8541 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 8542 } 8543 } 8544 8545 @Override 8546 public Intent createShowAdminSupportIntent(int userId, boolean useDefaultIfNoAdmin) { 8547 // This method is called from AM with its lock held, so don't take the DPMS lock. 8548 // b/29242568 8549 8550 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8551 if (profileOwner != null) { 8552 return createShowAdminSupportIntent(profileOwner, userId); 8553 } 8554 8555 final Pair<Integer, ComponentName> deviceOwner = 8556 mOwners.getDeviceOwnerUserIdAndComponent(); 8557 if (deviceOwner != null && deviceOwner.first == userId) { 8558 return createShowAdminSupportIntent(deviceOwner.second, userId); 8559 } 8560 8561 // We're not specifying the device admin because there isn't one. 8562 if (useDefaultIfNoAdmin) { 8563 return createShowAdminSupportIntent(null, userId); 8564 } 8565 return null; 8566 } 8567 8568 @Override 8569 public Intent createUserRestrictionSupportIntent(int userId, String userRestriction) { 8570 int source; 8571 long ident = mInjector.binderClearCallingIdentity(); 8572 try { 8573 source = mUserManager.getUserRestrictionSource(userRestriction, 8574 UserHandle.of(userId)); 8575 } finally { 8576 mInjector.binderRestoreCallingIdentity(ident); 8577 } 8578 if ((source & UserManager.RESTRICTION_SOURCE_SYSTEM) != 0) { 8579 /* 8580 * In this case, the user restriction is enforced by the system. 8581 * So we won't show an admin support intent, even if it is also 8582 * enforced by a profile/device owner. 8583 */ 8584 return null; 8585 } 8586 boolean enforcedByDo = (source & UserManager.RESTRICTION_SOURCE_DEVICE_OWNER) != 0; 8587 boolean enforcedByPo = (source & UserManager.RESTRICTION_SOURCE_PROFILE_OWNER) != 0; 8588 if (enforcedByDo && enforcedByPo) { 8589 // In this case, we'll show an admin support dialog that does not 8590 // specify the admin. 8591 return createShowAdminSupportIntent(null, userId); 8592 } else if (enforcedByPo) { 8593 final ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8594 if (profileOwner != null) { 8595 return createShowAdminSupportIntent(profileOwner, userId); 8596 } 8597 // This could happen if another thread has changed the profile owner since we called 8598 // getUserRestrictionSource 8599 return null; 8600 } else if (enforcedByDo) { 8601 final Pair<Integer, ComponentName> deviceOwner 8602 = mOwners.getDeviceOwnerUserIdAndComponent(); 8603 if (deviceOwner != null) { 8604 return createShowAdminSupportIntent(deviceOwner.second, deviceOwner.first); 8605 } 8606 // This could happen if another thread has changed the device owner since we called 8607 // getUserRestrictionSource 8608 return null; 8609 } 8610 return null; 8611 } 8612 8613 private Intent createShowAdminSupportIntent(ComponentName admin, int userId) { 8614 // This method is called with AMS lock held, so don't take DPMS lock 8615 final Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 8616 intent.putExtra(Intent.EXTRA_USER_ID, userId); 8617 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, admin); 8618 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 8619 return intent; 8620 } 8621 } 8622 8623 /** 8624 * Returns true if specified admin is allowed to limit passwords and has a 8625 * {@code minimumPasswordMetrics.quality} of at least {@code minPasswordQuality} 8626 */ 8627 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 8628 if (admin.minimumPasswordMetrics.quality < minPasswordQuality) { 8629 return false; 8630 } 8631 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 8632 } 8633 8634 @Override 8635 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 8636 if (policy != null && !policy.isValid()) { 8637 throw new IllegalArgumentException("Invalid system update policy."); 8638 } 8639 synchronized (this) { 8640 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8641 if (policy == null) { 8642 mOwners.clearSystemUpdatePolicy(); 8643 } else { 8644 mOwners.setSystemUpdatePolicy(policy); 8645 } 8646 mOwners.writeDeviceOwner(); 8647 } 8648 mContext.sendBroadcastAsUser( 8649 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 8650 UserHandle.SYSTEM); 8651 } 8652 8653 @Override 8654 public SystemUpdatePolicy getSystemUpdatePolicy() { 8655 if (UserManager.isDeviceInDemoMode(mContext)) { 8656 // Pretending to have an automatic update policy when the device is in retail demo 8657 // mode. This will allow the device to download and install an ota without 8658 // any user interaction. 8659 return SystemUpdatePolicy.createAutomaticInstallPolicy(); 8660 } 8661 synchronized (this) { 8662 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 8663 if (policy != null && !policy.isValid()) { 8664 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 8665 return null; 8666 } 8667 return policy; 8668 } 8669 } 8670 8671 /** 8672 * Checks if the caller of the method is the device owner app. 8673 * 8674 * @param callerUid UID of the caller. 8675 * @return true if the caller is the device owner app 8676 */ 8677 @VisibleForTesting 8678 boolean isCallerDeviceOwner(int callerUid) { 8679 synchronized (this) { 8680 if (!mOwners.hasDeviceOwner()) { 8681 return false; 8682 } 8683 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 8684 return false; 8685 } 8686 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 8687 .getPackageName(); 8688 final String[] pkgs = mInjector.getPackageManager().getPackagesForUid(callerUid); 8689 8690 for (String pkg : pkgs) { 8691 if (deviceOwnerPackageName.equals(pkg)) { 8692 return true; 8693 } 8694 } 8695 } 8696 8697 return false; 8698 } 8699 8700 @Override 8701 public void notifyPendingSystemUpdate(long updateReceivedTime) { 8702 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 8703 "Only the system update service can broadcast update information"); 8704 8705 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 8706 Slog.w(LOG_TAG, "Only the system update service in the system user " + 8707 "can broadcast update information."); 8708 return; 8709 } 8710 Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 8711 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 8712 updateReceivedTime); 8713 8714 synchronized (this) { 8715 final String deviceOwnerPackage = 8716 mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerComponent().getPackageName() 8717 : null; 8718 if (deviceOwnerPackage == null) { 8719 return; 8720 } 8721 final UserHandle deviceOwnerUser = new UserHandle(mOwners.getDeviceOwnerUserId()); 8722 8723 ActivityInfo[] receivers = null; 8724 try { 8725 receivers = mInjector.getPackageManager().getPackageInfo( 8726 deviceOwnerPackage, PackageManager.GET_RECEIVERS).receivers; 8727 } catch (NameNotFoundException e) { 8728 Log.e(LOG_TAG, "Cannot find device owner package", e); 8729 } 8730 if (receivers != null) { 8731 long ident = mInjector.binderClearCallingIdentity(); 8732 try { 8733 for (int i = 0; i < receivers.length; i++) { 8734 if (permission.BIND_DEVICE_ADMIN.equals(receivers[i].permission)) { 8735 intent.setComponent(new ComponentName(deviceOwnerPackage, 8736 receivers[i].name)); 8737 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 8738 } 8739 } 8740 } finally { 8741 mInjector.binderRestoreCallingIdentity(ident); 8742 } 8743 } 8744 } 8745 } 8746 8747 @Override 8748 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 8749 int userId = UserHandle.getCallingUserId(); 8750 synchronized (this) { 8751 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8752 DevicePolicyData userPolicy = getUserData(userId); 8753 if (userPolicy.mPermissionPolicy != policy) { 8754 userPolicy.mPermissionPolicy = policy; 8755 saveSettingsLocked(userId); 8756 } 8757 } 8758 } 8759 8760 @Override 8761 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 8762 int userId = UserHandle.getCallingUserId(); 8763 synchronized (this) { 8764 DevicePolicyData userPolicy = getUserData(userId); 8765 return userPolicy.mPermissionPolicy; 8766 } 8767 } 8768 8769 @Override 8770 public boolean setPermissionGrantState(ComponentName admin, String packageName, 8771 String permission, int grantState) throws RemoteException { 8772 UserHandle user = mInjector.binderGetCallingUserHandle(); 8773 synchronized (this) { 8774 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8775 long ident = mInjector.binderClearCallingIdentity(); 8776 try { 8777 if (getTargetSdk(packageName, user.getIdentifier()) 8778 < android.os.Build.VERSION_CODES.M) { 8779 return false; 8780 } 8781 final PackageManager packageManager = mInjector.getPackageManager(); 8782 switch (grantState) { 8783 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 8784 mInjector.getPackageManagerInternal().grantRuntimePermission(packageName, 8785 permission, user.getIdentifier(), true /* override policy */); 8786 packageManager.updatePermissionFlags(permission, packageName, 8787 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8788 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8789 } break; 8790 8791 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 8792 mInjector.getPackageManagerInternal().revokeRuntimePermission(packageName, 8793 permission, user.getIdentifier(), true /* override policy */); 8794 packageManager.updatePermissionFlags(permission, packageName, 8795 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8796 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8797 } break; 8798 8799 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 8800 packageManager.updatePermissionFlags(permission, packageName, 8801 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 8802 } break; 8803 } 8804 return true; 8805 } catch (SecurityException se) { 8806 return false; 8807 } finally { 8808 mInjector.binderRestoreCallingIdentity(ident); 8809 } 8810 } 8811 } 8812 8813 @Override 8814 public int getPermissionGrantState(ComponentName admin, String packageName, 8815 String permission) throws RemoteException { 8816 PackageManager packageManager = mInjector.getPackageManager(); 8817 8818 UserHandle user = mInjector.binderGetCallingUserHandle(); 8819 synchronized (this) { 8820 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8821 long ident = mInjector.binderClearCallingIdentity(); 8822 try { 8823 int granted = mIPackageManager.checkPermission(permission, 8824 packageName, user.getIdentifier()); 8825 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 8826 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 8827 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 8828 // Not controlled by policy 8829 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 8830 } else { 8831 // Policy controlled so return result based on permission grant state 8832 return granted == PackageManager.PERMISSION_GRANTED 8833 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 8834 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 8835 } 8836 } finally { 8837 mInjector.binderRestoreCallingIdentity(ident); 8838 } 8839 } 8840 } 8841 8842 boolean isPackageInstalledForUser(String packageName, int userHandle) { 8843 try { 8844 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 8845 userHandle); 8846 return (pi != null) && (pi.applicationInfo.flags != 0); 8847 } catch (RemoteException re) { 8848 throw new RuntimeException("Package manager has died", re); 8849 } 8850 } 8851 8852 @Override 8853 public boolean isProvisioningAllowed(String action, String packageName) { 8854 Preconditions.checkNotNull(packageName); 8855 8856 final int callingUid = mInjector.binderGetCallingUid(); 8857 final long ident = mInjector.binderClearCallingIdentity(); 8858 try { 8859 final int uidForPackage = mInjector.getPackageManager().getPackageUidAsUser( 8860 packageName, UserHandle.getUserId(callingUid)); 8861 Preconditions.checkArgument(callingUid == uidForPackage, 8862 "Caller uid doesn't match the one for the provided package."); 8863 } catch (NameNotFoundException e) { 8864 throw new IllegalArgumentException("Invalid package provided " + packageName, e); 8865 } finally { 8866 mInjector.binderRestoreCallingIdentity(ident); 8867 } 8868 8869 return checkProvisioningPreConditionSkipPermission(action, packageName) == CODE_OK; 8870 } 8871 8872 @Override 8873 public int checkProvisioningPreCondition(String action, String packageName) { 8874 Preconditions.checkNotNull(packageName); 8875 enforceCanManageProfileAndDeviceOwners(); 8876 return checkProvisioningPreConditionSkipPermission(action, packageName); 8877 } 8878 8879 private int checkProvisioningPreConditionSkipPermission(String action, String packageName) { 8880 if (!mHasFeature) { 8881 return CODE_DEVICE_ADMIN_NOT_SUPPORTED; 8882 } 8883 8884 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8885 if (action != null) { 8886 switch (action) { 8887 case DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE: 8888 return checkManagedProfileProvisioningPreCondition(packageName, callingUserId); 8889 case DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE: 8890 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 8891 case DevicePolicyManager.ACTION_PROVISION_MANAGED_USER: 8892 return checkManagedUserProvisioningPreCondition(callingUserId); 8893 case DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE: 8894 return checkManagedShareableDeviceProvisioningPreCondition(callingUserId); 8895 } 8896 } 8897 throw new IllegalArgumentException("Unknown provisioning action " + action); 8898 } 8899 8900 /** 8901 * The device owner can only be set before the setup phase of the primary user has completed, 8902 * except for adb command if no accounts or additional users are present on the device. 8903 */ 8904 private int checkDeviceOwnerProvisioningPreConditionLocked(@Nullable ComponentName owner, 8905 int deviceOwnerUserId, boolean isAdb) { 8906 if (mOwners.hasDeviceOwner()) { 8907 return CODE_HAS_DEVICE_OWNER; 8908 } 8909 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 8910 return CODE_USER_HAS_PROFILE_OWNER; 8911 } 8912 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 8913 return CODE_USER_NOT_RUNNING; 8914 } 8915 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 8916 return CODE_HAS_PAIRED; 8917 } 8918 if (isAdb) { 8919 // if shell command runs after user setup completed check device status. Otherwise, OK. 8920 if (mIsWatch || hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8921 if (!mInjector.userManagerIsSplitSystemUser()) { 8922 if (mUserManager.getUserCount() > 1) { 8923 return CODE_NONSYSTEM_USER_EXISTS; 8924 } 8925 if (hasIncompatibleAccountsLocked(UserHandle.USER_SYSTEM, owner)) { 8926 return CODE_ACCOUNTS_NOT_EMPTY; 8927 } 8928 } else { 8929 // STOPSHIP Do proper check in split user mode 8930 } 8931 } 8932 return CODE_OK; 8933 } else { 8934 if (!mInjector.userManagerIsSplitSystemUser()) { 8935 // In non-split user mode, DO has to be user 0 8936 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 8937 return CODE_NOT_SYSTEM_USER; 8938 } 8939 // In non-split user mode, only provision DO before setup wizard completes 8940 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 8941 return CODE_USER_SETUP_COMPLETED; 8942 } 8943 } else { 8944 // STOPSHIP Do proper check in split user mode 8945 } 8946 return CODE_OK; 8947 } 8948 } 8949 8950 private int checkDeviceOwnerProvisioningPreCondition(int deviceOwnerUserId) { 8951 synchronized (this) { 8952 return checkDeviceOwnerProvisioningPreConditionLocked(/* owner unknown */ null, 8953 deviceOwnerUserId, /* isAdb= */ false); 8954 } 8955 } 8956 8957 private int checkManagedProfileProvisioningPreCondition(String packageName, int callingUserId) { 8958 if (!hasFeatureManagedUsers()) { 8959 return CODE_MANAGED_USERS_NOT_SUPPORTED; 8960 } 8961 if (callingUserId == UserHandle.USER_SYSTEM 8962 && mInjector.userManagerIsSplitSystemUser()) { 8963 // Managed-profiles cannot be setup on the system user. 8964 return CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 8965 } 8966 if (getProfileOwner(callingUserId) != null) { 8967 // Managed user cannot have a managed profile. 8968 return CODE_USER_HAS_PROFILE_OWNER; 8969 } 8970 8971 final long ident = mInjector.binderClearCallingIdentity(); 8972 try { 8973 final UserHandle callingUserHandle = UserHandle.of(callingUserId); 8974 if (mUserManager.hasUserRestriction( 8975 UserManager.DISALLOW_ADD_MANAGED_PROFILE, callingUserHandle)) { 8976 // The DO can initiate provisioning if the restriction was set by the DO. 8977 if (!isDeviceOwnerPackage(packageName, callingUserId) 8978 || isAdminAffectedByRestriction(mOwners.getDeviceOwnerComponent(), 8979 UserManager.DISALLOW_ADD_MANAGED_PROFILE, callingUserId)) { 8980 // Caller is not DO or the restriction was set by the system. 8981 return CODE_ADD_MANAGED_PROFILE_DISALLOWED; 8982 } 8983 } 8984 8985 // TODO: Allow it if the caller is the DO? DO could just call removeUser() before 8986 // provisioning, so not strictly required... 8987 boolean canRemoveProfile = !mUserManager.hasUserRestriction( 8988 UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, callingUserHandle); 8989 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, canRemoveProfile)) { 8990 return CODE_CANNOT_ADD_MANAGED_PROFILE; 8991 } 8992 } finally { 8993 mInjector.binderRestoreCallingIdentity(ident); 8994 } 8995 return CODE_OK; 8996 } 8997 8998 private int checkManagedUserProvisioningPreCondition(int callingUserId) { 8999 if (!hasFeatureManagedUsers()) { 9000 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9001 } 9002 if (!mInjector.userManagerIsSplitSystemUser()) { 9003 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 9004 return CODE_NOT_SYSTEM_USER_SPLIT; 9005 } 9006 if (callingUserId == UserHandle.USER_SYSTEM) { 9007 // System user cannot be a managed user. 9008 return CODE_SYSTEM_USER; 9009 } 9010 if (hasUserSetupCompleted(callingUserId)) { 9011 return CODE_USER_SETUP_COMPLETED; 9012 } 9013 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9014 return CODE_HAS_PAIRED; 9015 } 9016 return CODE_OK; 9017 } 9018 9019 private int checkManagedShareableDeviceProvisioningPreCondition(int callingUserId) { 9020 if (!mInjector.userManagerIsSplitSystemUser()) { 9021 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 9022 return CODE_NOT_SYSTEM_USER_SPLIT; 9023 } 9024 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9025 } 9026 9027 private boolean hasFeatureManagedUsers() { 9028 try { 9029 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 9030 } catch (RemoteException e) { 9031 return false; 9032 } 9033 } 9034 9035 @Override 9036 public String getWifiMacAddress(ComponentName admin) { 9037 // Make sure caller has DO. 9038 synchronized (this) { 9039 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9040 } 9041 9042 final long ident = mInjector.binderClearCallingIdentity(); 9043 try { 9044 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 9045 if (wifiInfo == null) { 9046 return null; 9047 } 9048 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 9049 } finally { 9050 mInjector.binderRestoreCallingIdentity(ident); 9051 } 9052 } 9053 9054 /** 9055 * Returns the target sdk version number that the given packageName was built for 9056 * in the given user. 9057 */ 9058 private int getTargetSdk(String packageName, int userId) { 9059 final ApplicationInfo ai; 9060 try { 9061 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 9062 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 9063 return targetSdkVersion; 9064 } catch (RemoteException e) { 9065 // Shouldn't happen 9066 return 0; 9067 } 9068 } 9069 9070 @Override 9071 public boolean isManagedProfile(ComponentName admin) { 9072 synchronized (this) { 9073 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9074 } 9075 return isManagedProfile(mInjector.userHandleGetCallingUserId()); 9076 } 9077 9078 @Override 9079 public boolean isSystemOnlyUser(ComponentName admin) { 9080 synchronized (this) { 9081 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9082 } 9083 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9084 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 9085 } 9086 9087 @Override 9088 public void reboot(ComponentName admin) { 9089 Preconditions.checkNotNull(admin); 9090 // Make sure caller has DO. 9091 synchronized (this) { 9092 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9093 } 9094 long ident = mInjector.binderClearCallingIdentity(); 9095 try { 9096 // Make sure there are no ongoing calls on the device. 9097 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 9098 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 9099 } 9100 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 9101 } finally { 9102 mInjector.binderRestoreCallingIdentity(ident); 9103 } 9104 } 9105 9106 @Override 9107 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 9108 if (!mHasFeature) { 9109 return; 9110 } 9111 Preconditions.checkNotNull(who, "ComponentName is null"); 9112 final int userHandle = mInjector.userHandleGetCallingUserId(); 9113 synchronized (this) { 9114 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9115 mInjector.binderGetCallingUid()); 9116 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 9117 admin.shortSupportMessage = message; 9118 saveSettingsLocked(userHandle); 9119 } 9120 } 9121 } 9122 9123 @Override 9124 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 9125 if (!mHasFeature) { 9126 return null; 9127 } 9128 Preconditions.checkNotNull(who, "ComponentName is null"); 9129 synchronized (this) { 9130 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9131 mInjector.binderGetCallingUid()); 9132 return admin.shortSupportMessage; 9133 } 9134 } 9135 9136 @Override 9137 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 9138 if (!mHasFeature) { 9139 return; 9140 } 9141 Preconditions.checkNotNull(who, "ComponentName is null"); 9142 final int userHandle = mInjector.userHandleGetCallingUserId(); 9143 synchronized (this) { 9144 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9145 mInjector.binderGetCallingUid()); 9146 if (!TextUtils.equals(admin.longSupportMessage, message)) { 9147 admin.longSupportMessage = message; 9148 saveSettingsLocked(userHandle); 9149 } 9150 } 9151 } 9152 9153 @Override 9154 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 9155 if (!mHasFeature) { 9156 return null; 9157 } 9158 Preconditions.checkNotNull(who, "ComponentName is null"); 9159 synchronized (this) { 9160 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9161 mInjector.binderGetCallingUid()); 9162 return admin.longSupportMessage; 9163 } 9164 } 9165 9166 @Override 9167 public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9168 if (!mHasFeature) { 9169 return null; 9170 } 9171 Preconditions.checkNotNull(who, "ComponentName is null"); 9172 if (!isCallerWithSystemUid()) { 9173 throw new SecurityException("Only the system can query support message for user"); 9174 } 9175 synchronized (this) { 9176 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9177 if (admin != null) { 9178 return admin.shortSupportMessage; 9179 } 9180 } 9181 return null; 9182 } 9183 9184 @Override 9185 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9186 if (!mHasFeature) { 9187 return null; 9188 } 9189 Preconditions.checkNotNull(who, "ComponentName is null"); 9190 if (!isCallerWithSystemUid()) { 9191 throw new SecurityException("Only the system can query support message for user"); 9192 } 9193 synchronized (this) { 9194 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9195 if (admin != null) { 9196 return admin.longSupportMessage; 9197 } 9198 } 9199 return null; 9200 } 9201 9202 @Override 9203 public void setOrganizationColor(@NonNull ComponentName who, int color) { 9204 if (!mHasFeature) { 9205 return; 9206 } 9207 Preconditions.checkNotNull(who, "ComponentName is null"); 9208 final int userHandle = mInjector.userHandleGetCallingUserId(); 9209 enforceManagedProfile(userHandle, "set organization color"); 9210 synchronized (this) { 9211 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9212 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9213 admin.organizationColor = color; 9214 saveSettingsLocked(userHandle); 9215 } 9216 } 9217 9218 @Override 9219 public void setOrganizationColorForUser(int color, int userId) { 9220 if (!mHasFeature) { 9221 return; 9222 } 9223 enforceFullCrossUsersPermission(userId); 9224 enforceManageUsers(); 9225 enforceManagedProfile(userId, "set organization color"); 9226 synchronized (this) { 9227 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 9228 admin.organizationColor = color; 9229 saveSettingsLocked(userId); 9230 } 9231 } 9232 9233 @Override 9234 public int getOrganizationColor(@NonNull ComponentName who) { 9235 if (!mHasFeature) { 9236 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 9237 } 9238 Preconditions.checkNotNull(who, "ComponentName is null"); 9239 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 9240 synchronized (this) { 9241 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9242 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9243 return admin.organizationColor; 9244 } 9245 } 9246 9247 @Override 9248 public int getOrganizationColorForUser(int userHandle) { 9249 if (!mHasFeature) { 9250 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 9251 } 9252 enforceFullCrossUsersPermission(userHandle); 9253 enforceManagedProfile(userHandle, "get organization color"); 9254 synchronized (this) { 9255 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 9256 return (profileOwner != null) 9257 ? profileOwner.organizationColor 9258 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 9259 } 9260 } 9261 9262 @Override 9263 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 9264 if (!mHasFeature) { 9265 return; 9266 } 9267 Preconditions.checkNotNull(who, "ComponentName is null"); 9268 final int userHandle = mInjector.userHandleGetCallingUserId(); 9269 9270 synchronized (this) { 9271 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9272 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9273 if (!TextUtils.equals(admin.organizationName, text)) { 9274 admin.organizationName = (text == null || text.length() == 0) 9275 ? null : text.toString(); 9276 saveSettingsLocked(userHandle); 9277 } 9278 } 9279 } 9280 9281 @Override 9282 public CharSequence getOrganizationName(@NonNull ComponentName who) { 9283 if (!mHasFeature) { 9284 return null; 9285 } 9286 Preconditions.checkNotNull(who, "ComponentName is null"); 9287 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 9288 synchronized(this) { 9289 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9290 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9291 return admin.organizationName; 9292 } 9293 } 9294 9295 @Override 9296 public CharSequence getDeviceOwnerOrganizationName() { 9297 if (!mHasFeature) { 9298 return null; 9299 } 9300 enforceDeviceOwnerOrManageUsers(); 9301 synchronized(this) { 9302 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 9303 return deviceOwnerAdmin == null ? null : deviceOwnerAdmin.organizationName; 9304 } 9305 } 9306 9307 @Override 9308 public CharSequence getOrganizationNameForUser(int userHandle) { 9309 if (!mHasFeature) { 9310 return null; 9311 } 9312 enforceFullCrossUsersPermission(userHandle); 9313 enforceManagedProfile(userHandle, "get organization name"); 9314 synchronized (this) { 9315 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 9316 return (profileOwner != null) 9317 ? profileOwner.organizationName 9318 : null; 9319 } 9320 } 9321 9322 @Override 9323 public void setAffiliationIds(ComponentName admin, List<String> ids) { 9324 if (!mHasFeature) { 9325 return; 9326 } 9327 9328 Preconditions.checkNotNull(admin); 9329 Preconditions.checkCollectionElementsNotNull(ids, "ids"); 9330 9331 final Set<String> affiliationIds = new ArraySet<String>(ids); 9332 Preconditions.checkArgument( 9333 !affiliationIds.contains(""), "ids must not contain empty strings"); 9334 9335 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9336 synchronized (this) { 9337 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9338 getUserData(callingUserId).mAffiliationIds = affiliationIds; 9339 saveSettingsLocked(callingUserId); 9340 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 9341 // Affiliation ids specified by the device owner are additionally stored in 9342 // UserHandle.USER_SYSTEM's DevicePolicyData. 9343 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 9344 saveSettingsLocked(UserHandle.USER_SYSTEM); 9345 } 9346 } 9347 } 9348 9349 @Override 9350 public List<String> getAffiliationIds(ComponentName admin) { 9351 if (!mHasFeature) { 9352 return Collections.emptyList(); 9353 } 9354 9355 Preconditions.checkNotNull(admin); 9356 synchronized (this) { 9357 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9358 return new ArrayList<String>( 9359 getUserData(mInjector.userHandleGetCallingUserId()).mAffiliationIds); 9360 } 9361 } 9362 9363 @Override 9364 public boolean isAffiliatedUser() { 9365 return isUserAffiliatedWithDevice(mInjector.userHandleGetCallingUserId()); 9366 } 9367 9368 private boolean isUserAffiliatedWithDevice(int userId) { 9369 synchronized (this) { 9370 if (!mOwners.hasDeviceOwner()) { 9371 return false; 9372 } 9373 if (userId == mOwners.getDeviceOwnerUserId()) { 9374 // The user that the DO is installed on is always affiliated with the device. 9375 return true; 9376 } 9377 if (userId == UserHandle.USER_SYSTEM) { 9378 // The system user is always affiliated in a DO device, even if the DO is set on a 9379 // different user. This could be the case if the DO is set in the primary user 9380 // of a split user device. 9381 return true; 9382 } 9383 final ComponentName profileOwner = getProfileOwner(userId); 9384 if (profileOwner == null) { 9385 return false; 9386 } 9387 final Set<String> userAffiliationIds = getUserData(userId).mAffiliationIds; 9388 final Set<String> deviceAffiliationIds = 9389 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 9390 for (String id : userAffiliationIds) { 9391 if (deviceAffiliationIds.contains(id)) { 9392 return true; 9393 } 9394 } 9395 } 9396 return false; 9397 } 9398 9399 private synchronized void disableDeviceOwnerManagedSingleUserFeaturesIfNeeded() { 9400 final boolean isSingleUserManagedDevice = isDeviceOwnerManagedSingleUserDevice(); 9401 9402 // disable security logging if needed 9403 if (!isSingleUserManagedDevice) { 9404 mInjector.securityLogSetLoggingEnabledProperty(false); 9405 Slog.w(LOG_TAG, "Security logging turned off as it's no longer a single user managed" 9406 + " device."); 9407 } 9408 9409 // disable backup service if needed 9410 // note: when clearing DO, the backup service shouldn't be disabled if it was enabled by 9411 // the device owner 9412 if (mOwners.hasDeviceOwner() && !isSingleUserManagedDevice) { 9413 setBackupServiceEnabledInternal(false); 9414 Slog.w(LOG_TAG, "Backup is off as it's a managed device that has more that one user."); 9415 } 9416 9417 // disable network logging if needed 9418 if (!isSingleUserManagedDevice) { 9419 setNetworkLoggingActiveInternal(false); 9420 Slog.w(LOG_TAG, "Network logging turned off as it's no longer a single user managed" 9421 + " device."); 9422 // if there still is a device owner, disable logging policy, otherwise the admin 9423 // has been nuked 9424 if (mOwners.hasDeviceOwner()) { 9425 getDeviceOwnerAdminLocked().isNetworkLoggingEnabled = false; 9426 saveSettingsLocked(mOwners.getDeviceOwnerUserId()); 9427 } 9428 } 9429 } 9430 9431 @Override 9432 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 9433 Preconditions.checkNotNull(admin); 9434 ensureDeviceOwnerManagingSingleUser(admin); 9435 9436 synchronized (this) { 9437 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 9438 return; 9439 } 9440 mInjector.securityLogSetLoggingEnabledProperty(enabled); 9441 if (enabled) { 9442 mSecurityLogMonitor.start(); 9443 } else { 9444 mSecurityLogMonitor.stop(); 9445 } 9446 } 9447 } 9448 9449 @Override 9450 public boolean isSecurityLoggingEnabled(ComponentName admin) { 9451 Preconditions.checkNotNull(admin); 9452 synchronized (this) { 9453 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9454 return mInjector.securityLogGetLoggingEnabledProperty(); 9455 } 9456 } 9457 9458 private synchronized void recordSecurityLogRetrievalTime() { 9459 final long currentTime = System.currentTimeMillis(); 9460 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 9461 if (currentTime > policyData.mLastSecurityLogRetrievalTime) { 9462 policyData.mLastSecurityLogRetrievalTime = currentTime; 9463 saveSettingsLocked(UserHandle.USER_SYSTEM); 9464 } 9465 } 9466 9467 @Override 9468 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 9469 Preconditions.checkNotNull(admin); 9470 ensureDeviceOwnerManagingSingleUser(admin); 9471 9472 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs)) { 9473 return null; 9474 } 9475 9476 recordSecurityLogRetrievalTime(); 9477 9478 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 9479 try { 9480 SecurityLog.readPreviousEvents(output); 9481 return new ParceledListSlice<SecurityEvent>(output); 9482 } catch (IOException e) { 9483 Slog.w(LOG_TAG, "Fail to read previous events" , e); 9484 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 9485 } 9486 } 9487 9488 @Override 9489 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 9490 Preconditions.checkNotNull(admin); 9491 ensureDeviceOwnerManagingSingleUser(admin); 9492 9493 recordSecurityLogRetrievalTime(); 9494 9495 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 9496 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 9497 } 9498 9499 private void enforceCanManageDeviceAdmin() { 9500 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 9501 null); 9502 } 9503 9504 private void enforceCanManageProfileAndDeviceOwners() { 9505 mContext.enforceCallingOrSelfPermission( 9506 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 9507 } 9508 9509 private void enforceCallerSystemUserHandle() { 9510 final int callingUid = mInjector.binderGetCallingUid(); 9511 final int userId = UserHandle.getUserId(callingUid); 9512 if (userId != UserHandle.USER_SYSTEM) { 9513 throw new SecurityException("Caller has to be in user 0"); 9514 } 9515 } 9516 9517 @Override 9518 public boolean isUninstallInQueue(final String packageName) { 9519 enforceCanManageDeviceAdmin(); 9520 final int userId = mInjector.userHandleGetCallingUserId(); 9521 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9522 synchronized (this) { 9523 return mPackagesToRemove.contains(packageUserPair); 9524 } 9525 } 9526 9527 @Override 9528 public void uninstallPackageWithActiveAdmins(final String packageName) { 9529 enforceCanManageDeviceAdmin(); 9530 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 9531 9532 final int userId = mInjector.userHandleGetCallingUserId(); 9533 9534 enforceUserUnlocked(userId); 9535 9536 final ComponentName profileOwner = getProfileOwner(userId); 9537 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 9538 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 9539 } 9540 9541 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 9542 if (getDeviceOwnerUserId() == userId && deviceOwner != null 9543 && packageName.equals(deviceOwner.getPackageName())) { 9544 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 9545 } 9546 9547 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9548 synchronized (this) { 9549 mPackagesToRemove.add(packageUserPair); 9550 } 9551 9552 // All active admins on the user. 9553 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 9554 9555 // Active admins in the target package. 9556 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 9557 if (allActiveAdmins != null) { 9558 for (ComponentName activeAdmin : allActiveAdmins) { 9559 if (packageName.equals(activeAdmin.getPackageName())) { 9560 packageActiveAdmins.add(activeAdmin); 9561 removeActiveAdmin(activeAdmin, userId); 9562 } 9563 } 9564 } 9565 if (packageActiveAdmins.size() == 0) { 9566 startUninstallIntent(packageName, userId); 9567 } else { 9568 mHandler.postDelayed(new Runnable() { 9569 @Override 9570 public void run() { 9571 for (ComponentName activeAdmin : packageActiveAdmins) { 9572 removeAdminArtifacts(activeAdmin, userId); 9573 } 9574 startUninstallIntent(packageName, userId); 9575 } 9576 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 9577 } 9578 } 9579 9580 @Override 9581 public boolean isDeviceProvisioned() { 9582 return !TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT)); 9583 } 9584 9585 private void removePackageIfRequired(final String packageName, final int userId) { 9586 if (!packageHasActiveAdmins(packageName, userId)) { 9587 // Will not do anything if uninstall was not requested or was already started. 9588 startUninstallIntent(packageName, userId); 9589 } 9590 } 9591 9592 private void startUninstallIntent(final String packageName, final int userId) { 9593 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9594 synchronized (this) { 9595 if (!mPackagesToRemove.contains(packageUserPair)) { 9596 // Do nothing if uninstall was not requested or was already started. 9597 return; 9598 } 9599 mPackagesToRemove.remove(packageUserPair); 9600 } 9601 try { 9602 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 9603 // Package does not exist. Nothing to do. 9604 return; 9605 } 9606 } catch (RemoteException re) { 9607 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 9608 } 9609 9610 try { // force stop the package before uninstalling 9611 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 9612 } catch (RemoteException re) { 9613 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 9614 } 9615 final Uri packageURI = Uri.parse("package:" + packageName); 9616 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 9617 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 9618 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 9619 } 9620 9621 /** 9622 * Removes the admin from the policy. Ideally called after the admin's 9623 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 9624 * 9625 * @param adminReceiver The admin to remove 9626 * @param userHandle The user for which this admin has to be removed. 9627 */ 9628 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 9629 synchronized (this) { 9630 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 9631 if (admin == null) { 9632 return; 9633 } 9634 final DevicePolicyData policy = getUserData(userHandle); 9635 final boolean doProxyCleanup = admin.info.usesPolicy( 9636 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 9637 policy.mAdminList.remove(admin); 9638 policy.mAdminMap.remove(adminReceiver); 9639 validatePasswordOwnerLocked(policy); 9640 if (doProxyCleanup) { 9641 resetGlobalProxyLocked(policy); 9642 } 9643 saveSettingsLocked(userHandle); 9644 updateMaximumTimeToLockLocked(userHandle); 9645 policy.mRemovingAdmins.remove(adminReceiver); 9646 9647 Slog.i(LOG_TAG, "Device admin " + adminReceiver + " removed from user " + userHandle); 9648 } 9649 // The removed admin might have disabled camera, so update user 9650 // restrictions. 9651 pushUserRestrictions(userHandle); 9652 } 9653 9654 @Override 9655 public void setDeviceProvisioningConfigApplied() { 9656 enforceManageUsers(); 9657 synchronized (this) { 9658 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 9659 policy.mDeviceProvisioningConfigApplied = true; 9660 saveSettingsLocked(UserHandle.USER_SYSTEM); 9661 } 9662 } 9663 9664 @Override 9665 public boolean isDeviceProvisioningConfigApplied() { 9666 enforceManageUsers(); 9667 synchronized (this) { 9668 final DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 9669 return policy.mDeviceProvisioningConfigApplied; 9670 } 9671 } 9672 9673 /** 9674 * Force update internal persistent state from Settings.Secure.USER_SETUP_COMPLETE. 9675 * 9676 * It's added for testing only. Please use this API carefully if it's used by other system app 9677 * and bare in mind Settings.Secure.USER_SETUP_COMPLETE can be modified by user and other system 9678 * apps. 9679 */ 9680 @Override 9681 public void forceUpdateUserSetupComplete() { 9682 enforceCanManageProfileAndDeviceOwners(); 9683 enforceCallerSystemUserHandle(); 9684 // no effect if it's called from user build 9685 if (!mInjector.isBuildDebuggable()) { 9686 return; 9687 } 9688 final int userId = UserHandle.USER_SYSTEM; 9689 boolean isUserCompleted = mInjector.settingsSecureGetIntForUser( 9690 Settings.Secure.USER_SETUP_COMPLETE, 0, userId) != 0; 9691 DevicePolicyData policy = getUserData(userId); 9692 policy.mUserSetupComplete = isUserCompleted; 9693 synchronized (this) { 9694 saveSettingsLocked(userId); 9695 } 9696 } 9697 9698 @Override 9699 public void setBackupServiceEnabled(ComponentName admin, boolean enabled) { 9700 Preconditions.checkNotNull(admin); 9701 if (!mHasFeature) { 9702 return; 9703 } 9704 ensureDeviceOwnerManagingSingleUser(admin); 9705 setBackupServiceEnabledInternal(enabled); 9706 } 9707 9708 private synchronized void setBackupServiceEnabledInternal(boolean enabled) { 9709 long ident = mInjector.binderClearCallingIdentity(); 9710 try { 9711 IBackupManager ibm = mInjector.getIBackupManager(); 9712 if (ibm != null) { 9713 ibm.setBackupServiceActive(UserHandle.USER_SYSTEM, enabled); 9714 } 9715 } catch (RemoteException e) { 9716 throw new IllegalStateException( 9717 "Failed " + (enabled ? "" : "de") + "activating backup service.", e); 9718 } finally { 9719 mInjector.binderRestoreCallingIdentity(ident); 9720 } 9721 } 9722 9723 @Override 9724 public boolean isBackupServiceEnabled(ComponentName admin) { 9725 Preconditions.checkNotNull(admin); 9726 if (!mHasFeature) { 9727 return true; 9728 } 9729 synchronized (this) { 9730 try { 9731 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9732 IBackupManager ibm = mInjector.getIBackupManager(); 9733 return ibm != null && ibm.isBackupServiceActive(UserHandle.USER_SYSTEM); 9734 } catch (RemoteException e) { 9735 throw new IllegalStateException("Failed requesting backup service state.", e); 9736 } 9737 } 9738 } 9739 9740 @Override 9741 public boolean bindDeviceAdminServiceAsUser( 9742 @NonNull ComponentName admin, @NonNull IApplicationThread caller, 9743 @Nullable IBinder activtiyToken, @NonNull Intent serviceIntent, 9744 @NonNull IServiceConnection connection, int flags, @UserIdInt int targetUserId) { 9745 if (!mHasFeature) { 9746 return false; 9747 } 9748 Preconditions.checkNotNull(admin); 9749 Preconditions.checkNotNull(caller); 9750 Preconditions.checkNotNull(serviceIntent); 9751 Preconditions.checkArgument( 9752 serviceIntent.getComponent() != null || serviceIntent.getPackage() != null, 9753 "Service intent must be explicit (with a package name or component): " 9754 + serviceIntent); 9755 Preconditions.checkNotNull(connection); 9756 Preconditions.checkArgument(mInjector.userHandleGetCallingUserId() != targetUserId, 9757 "target user id must be different from the calling user id"); 9758 9759 if (!getBindDeviceAdminTargetUsers(admin).contains(UserHandle.of(targetUserId))) { 9760 throw new SecurityException("Not allowed to bind to target user id"); 9761 } 9762 9763 final String targetPackage; 9764 synchronized (this) { 9765 targetPackage = getOwnerPackageNameForUserLocked(targetUserId); 9766 } 9767 9768 final long callingIdentity = mInjector.binderClearCallingIdentity(); 9769 try { 9770 // Validate and sanitize the incoming service intent. 9771 final Intent sanitizedIntent = 9772 createCrossUserServiceIntent(serviceIntent, targetPackage, targetUserId); 9773 if (sanitizedIntent == null) { 9774 // Fail, cannot lookup the target service. 9775 return false; 9776 } 9777 // Ask ActivityManager to bind it. Notice that we are binding the service with the 9778 // caller app instead of DevicePolicyManagerService. 9779 return mInjector.getIActivityManager().bindService( 9780 caller, activtiyToken, serviceIntent, 9781 serviceIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 9782 connection, flags, mContext.getOpPackageName(), 9783 targetUserId) != 0; 9784 } catch (RemoteException ex) { 9785 // Same process, should not happen. 9786 } finally { 9787 mInjector.binderRestoreCallingIdentity(callingIdentity); 9788 } 9789 9790 // Failed to bind. 9791 return false; 9792 } 9793 9794 @Override 9795 public @NonNull List<UserHandle> getBindDeviceAdminTargetUsers(@NonNull ComponentName admin) { 9796 if (!mHasFeature) { 9797 return Collections.emptyList(); 9798 } 9799 Preconditions.checkNotNull(admin); 9800 ArrayList<UserHandle> targetUsers = new ArrayList<>(); 9801 9802 synchronized (this) { 9803 ActiveAdmin callingOwner = getActiveAdminForCallerLocked( 9804 admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9805 9806 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9807 final boolean isCallerDeviceOwner = isDeviceOwner(callingOwner); 9808 final boolean isCallerManagedProfile = isManagedProfile(callingUserId); 9809 if ((!isCallerDeviceOwner && !isCallerManagedProfile) 9810 || !isUserAffiliatedWithDevice(callingUserId)) { 9811 return targetUsers; 9812 } 9813 9814 final long callingIdentity = mInjector.binderClearCallingIdentity(); 9815 try { 9816 String callingOwnerPackage = callingOwner.info.getComponent().getPackageName(); 9817 for (int userId : mUserManager.getProfileIdsWithDisabled(callingUserId)) { 9818 if (userId == callingUserId) { 9819 continue; 9820 } 9821 9822 // We only allow the device owner and a managed profile owner to bind to each 9823 // other. 9824 if ((isCallerManagedProfile && userId == mOwners.getDeviceOwnerUserId()) 9825 || (isCallerDeviceOwner && isManagedProfile(userId))) { 9826 String targetOwnerPackage = getOwnerPackageNameForUserLocked(userId); 9827 9828 // Both must be the same package and be affiliated in order to bind. 9829 if (callingOwnerPackage.equals(targetOwnerPackage) 9830 && isUserAffiliatedWithDevice(userId)) { 9831 targetUsers.add(UserHandle.of(userId)); 9832 } 9833 } 9834 } 9835 } finally { 9836 mInjector.binderRestoreCallingIdentity(callingIdentity); 9837 } 9838 } 9839 9840 return targetUsers; 9841 } 9842 9843 /** 9844 * Return true if a given user has any accounts that'll prevent installing a device or profile 9845 * owner {@code owner}. 9846 * - If the user has no accounts, then return false. 9847 * - Otherwise, if the owner is unknown (== null), or is not test-only, then return true. 9848 * - Otherwise, if there's any account that does not have ..._ALLOWED, or does have 9849 * ..._DISALLOWED, return true. 9850 * - Otherwise return false. 9851 */ 9852 private boolean hasIncompatibleAccountsLocked(int userId, @Nullable ComponentName owner) { 9853 final long token = mInjector.binderClearCallingIdentity(); 9854 try { 9855 final AccountManager am = AccountManager.get(mContext); 9856 final Account accounts[] = am.getAccountsAsUser(userId); 9857 if (accounts.length == 0) { 9858 return false; 9859 } 9860 final String[] feature_allow = 9861 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_ALLOWED }; 9862 final String[] feature_disallow = 9863 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_DISALLOWED }; 9864 9865 // Even if we find incompatible accounts along the way, we still check all accounts 9866 // for logging. 9867 boolean compatible = true; 9868 for (Account account : accounts) { 9869 if (hasAccountFeatures(am, account, feature_disallow)) { 9870 Log.e(LOG_TAG, account + " has " + feature_disallow[0]); 9871 compatible = false; 9872 } 9873 if (!hasAccountFeatures(am, account, feature_allow)) { 9874 Log.e(LOG_TAG, account + " doesn't have " + feature_allow[0]); 9875 compatible = false; 9876 } 9877 } 9878 if (compatible) { 9879 Log.w(LOG_TAG, "All accounts are compatible"); 9880 } else { 9881 Log.e(LOG_TAG, "Found incompatible accounts"); 9882 } 9883 9884 // Then check if the owner is test-only. 9885 String log; 9886 if (owner == null) { 9887 // Owner is unknown. Suppose it's not test-only 9888 compatible = false; 9889 log = "Only test-only device/profile owner can be installed with accounts"; 9890 } else if (isAdminTestOnlyLocked(owner, userId)) { 9891 if (compatible) { 9892 log = "Installing test-only owner " + owner; 9893 } else { 9894 log = "Can't install test-only owner " + owner + " with incompatible accounts"; 9895 } 9896 } else { 9897 compatible = false; 9898 log = "Can't install non test-only owner " + owner + " with accounts"; 9899 } 9900 if (compatible) { 9901 Log.w(LOG_TAG, log); 9902 } else { 9903 Log.e(LOG_TAG, log); 9904 } 9905 return !compatible; 9906 } finally { 9907 mInjector.binderRestoreCallingIdentity(token); 9908 } 9909 } 9910 9911 private boolean hasAccountFeatures(AccountManager am, Account account, String[] features) { 9912 try { 9913 return am.hasFeatures(account, features, null, null).getResult(); 9914 } catch (Exception e) { 9915 Log.w(LOG_TAG, "Failed to get account feature", e); 9916 return false; 9917 } 9918 } 9919 9920 private boolean isAdb() { 9921 final int callingUid = mInjector.binderGetCallingUid(); 9922 return callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 9923 } 9924 9925 @Override 9926 public synchronized void setNetworkLoggingEnabled(ComponentName admin, boolean enabled) { 9927 if (!mHasFeature) { 9928 return; 9929 } 9930 Preconditions.checkNotNull(admin); 9931 ensureDeviceOwnerManagingSingleUser(admin); 9932 9933 if (enabled == isNetworkLoggingEnabledInternalLocked()) { 9934 // already in the requested state 9935 return; 9936 } 9937 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 9938 deviceOwner.isNetworkLoggingEnabled = enabled; 9939 if (!enabled) { 9940 deviceOwner.numNetworkLoggingNotifications = 0; 9941 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 9942 } 9943 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 9944 9945 setNetworkLoggingActiveInternal(enabled); 9946 } 9947 9948 private synchronized void setNetworkLoggingActiveInternal(boolean active) { 9949 final long callingIdentity = mInjector.binderClearCallingIdentity(); 9950 try { 9951 if (active) { 9952 mNetworkLogger = new NetworkLogger(this, mInjector.getPackageManagerInternal()); 9953 if (!mNetworkLogger.startNetworkLogging()) { 9954 mNetworkLogger = null; 9955 Slog.wtf(LOG_TAG, "Network logging could not be started due to the logging" 9956 + " service not being available yet."); 9957 } 9958 sendNetworkLoggingNotificationLocked(); 9959 } else { 9960 if (mNetworkLogger != null && !mNetworkLogger.stopNetworkLogging()) { 9961 mNetworkLogger = null; 9962 Slog.wtf(LOG_TAG, "Network logging could not be stopped due to the logging" 9963 + " service not being available yet."); 9964 } 9965 mNetworkLogger = null; 9966 } 9967 } finally { 9968 mInjector.binderRestoreCallingIdentity(callingIdentity); 9969 } 9970 } 9971 9972 @Override 9973 public boolean isNetworkLoggingEnabled(ComponentName admin) { 9974 if (!mHasFeature) { 9975 return false; 9976 } 9977 synchronized (this) { 9978 enforceDeviceOwnerOrManageUsers(); 9979 return isNetworkLoggingEnabledInternalLocked(); 9980 } 9981 } 9982 9983 private boolean isNetworkLoggingEnabledInternalLocked() { 9984 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 9985 return (deviceOwner != null) && deviceOwner.isNetworkLoggingEnabled; 9986 } 9987 9988 /* 9989 * A maximum of 1200 events are returned, and the total marshalled size is in the order of 9990 * 100kB, so returning a List instead of ParceledListSlice is acceptable. 9991 * Ideally this would be done with ParceledList, however it only supports homogeneous types. 9992 * 9993 * @see NetworkLoggingHandler#MAX_EVENTS_PER_BATCH 9994 */ 9995 @Override 9996 public synchronized List<NetworkEvent> retrieveNetworkLogs(ComponentName admin, 9997 long batchToken) { 9998 if (!mHasFeature) { 9999 return null; 10000 } 10001 Preconditions.checkNotNull(admin); 10002 ensureDeviceOwnerManagingSingleUser(admin); 10003 10004 if (mNetworkLogger == null) { 10005 return null; 10006 } 10007 10008 if (!isNetworkLoggingEnabledInternalLocked()) { 10009 return null; 10010 } 10011 10012 final long currentTime = System.currentTimeMillis(); 10013 synchronized (this) { 10014 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 10015 if (currentTime > policyData.mLastNetworkLogsRetrievalTime) { 10016 policyData.mLastNetworkLogsRetrievalTime = currentTime; 10017 saveSettingsLocked(UserHandle.USER_SYSTEM); 10018 } 10019 } 10020 10021 return mNetworkLogger.retrieveLogs(batchToken); 10022 } 10023 10024 private void sendNetworkLoggingNotificationLocked() { 10025 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10026 if (deviceOwner == null || !deviceOwner.isNetworkLoggingEnabled) { 10027 return; 10028 } 10029 if (deviceOwner.numNetworkLoggingNotifications >= 10030 ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10031 return; 10032 } 10033 final long now = System.currentTimeMillis(); 10034 if (now - deviceOwner.lastNetworkLoggingNotificationTimeMs < MS_PER_DAY) { 10035 return; 10036 } 10037 deviceOwner.numNetworkLoggingNotifications++; 10038 if (deviceOwner.numNetworkLoggingNotifications 10039 >= ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10040 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10041 } else { 10042 deviceOwner.lastNetworkLoggingNotificationTimeMs = now; 10043 } 10044 final Intent intent = new Intent(DevicePolicyManager.ACTION_SHOW_DEVICE_MONITORING_DIALOG); 10045 intent.setPackage("com.android.systemui"); 10046 final PendingIntent pendingIntent = PendingIntent.getBroadcastAsUser(mContext, 0, intent, 0, 10047 UserHandle.CURRENT); 10048 Notification notification = new Notification.Builder(mContext) 10049 .setSmallIcon(R.drawable.ic_qs_network_logging) 10050 .setContentTitle(mContext.getString(R.string.network_logging_notification_title)) 10051 .setContentText(mContext.getString(R.string.network_logging_notification_text)) 10052 .setShowWhen(true) 10053 .setContentIntent(pendingIntent) 10054 .build(); 10055 mInjector.getNotificationManager().notify(NETWORK_LOGGING_NOTIFICATION_ID, notification); 10056 saveSettingsLocked(mOwners.getDeviceOwnerUserId()); 10057 } 10058 10059 /** 10060 * Return the package name of owner in a given user. 10061 */ 10062 private String getOwnerPackageNameForUserLocked(int userId) { 10063 return mOwners.getDeviceOwnerUserId() == userId 10064 ? mOwners.getDeviceOwnerPackageName() 10065 : mOwners.getProfileOwnerPackage(userId); 10066 } 10067 10068 /** 10069 * @param rawIntent Original service intent specified by caller. It must be explicit. 10070 * @param expectedPackageName The expected package name of the resolved service. 10071 * @return Intent that have component explicitly set. {@code null} if no service is resolved 10072 * with the given intent. 10073 * @throws SecurityException if the intent is resolved to an invalid service. 10074 */ 10075 private Intent createCrossUserServiceIntent( 10076 @NonNull Intent rawIntent, @NonNull String expectedPackageName, 10077 @UserIdInt int targetUserId) throws RemoteException, SecurityException { 10078 ResolveInfo info = mIPackageManager.resolveService( 10079 rawIntent, 10080 rawIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 10081 0, // flags 10082 targetUserId); 10083 if (info == null || info.serviceInfo == null) { 10084 Log.e(LOG_TAG, "Fail to look up the service: " + rawIntent 10085 + " or user " + targetUserId + " is not running"); 10086 return null; 10087 } 10088 if (!expectedPackageName.equals(info.serviceInfo.packageName)) { 10089 throw new SecurityException("Only allow to bind service in " + expectedPackageName); 10090 } 10091 if (info.serviceInfo.exported) { 10092 throw new SecurityException("The service must be unexported"); 10093 } 10094 // It is the system server to bind the service, it would be extremely dangerous if it 10095 // can be exploited to bind any service. Set the component explicitly to make sure we 10096 // do not bind anything accidentally. 10097 rawIntent.setComponent(info.serviceInfo.getComponentName()); 10098 return rawIntent; 10099 } 10100 10101 @Override 10102 public long getLastSecurityLogRetrievalTime() { 10103 enforceDeviceOwnerOrManageUsers(); 10104 return getUserData(UserHandle.USER_SYSTEM).mLastSecurityLogRetrievalTime; 10105 } 10106 10107 @Override 10108 public long getLastBugReportRequestTime() { 10109 enforceDeviceOwnerOrManageUsers(); 10110 return getUserData(UserHandle.USER_SYSTEM).mLastBugReportRequestTime; 10111 } 10112 10113 @Override 10114 public long getLastNetworkLogRetrievalTime() { 10115 enforceDeviceOwnerOrManageUsers(); 10116 return getUserData(UserHandle.USER_SYSTEM).mLastNetworkLogsRetrievalTime; 10117 } 10118} 10119