DevicePolicyManagerService.java revision 6a40f09083fc52acc3309d0b04401fca02df6372
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.NonNull; 53import android.annotation.Nullable; 54import android.annotation.UserIdInt; 55import android.app.Activity; 56import android.app.ActivityManager; 57import android.app.AlarmManager; 58import android.app.AppGlobals; 59import android.app.IActivityManager; 60import android.app.IApplicationThread; 61import android.app.IServiceConnection; 62import android.app.Notification; 63import android.app.NotificationManager; 64import android.app.PendingIntent; 65import android.app.StatusBarManager; 66import android.app.admin.DeviceAdminInfo; 67import android.app.admin.DeviceAdminReceiver; 68import android.app.admin.DevicePolicyManager; 69import android.app.admin.DevicePolicyManagerInternal; 70import android.app.admin.IDevicePolicyManager; 71import android.app.admin.NetworkEvent; 72import android.app.admin.PasswordMetrics; 73import android.app.admin.SecurityLog; 74import android.app.admin.SecurityLog.SecurityEvent; 75import android.app.admin.SystemUpdatePolicy; 76import android.app.backup.IBackupManager; 77import android.app.trust.TrustManager; 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.nio.charset.StandardCharsets; 183import java.security.cert.CertificateException; 184import java.security.cert.CertificateFactory; 185import java.security.cert.X509Certificate; 186import java.text.DateFormat; 187import java.util.ArrayList; 188import java.util.Arrays; 189import java.util.Collection; 190import java.util.Collections; 191import java.util.Date; 192import java.util.List; 193import java.util.Map.Entry; 194import java.util.Set; 195import java.util.concurrent.atomic.AtomicBoolean; 196 197/** 198 * Implementation of the device policy APIs. 199 */ 200public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 201 202 private static final String LOG_TAG = "DevicePolicyManager"; 203 204 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 205 206 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 207 208 private static final String TAG_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; 209 210 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 211 212 private static final String TAG_STATUS_BAR = "statusbar"; 213 214 private static final String ATTR_DISABLED = "disabled"; 215 216 private static final String ATTR_NAME = "name"; 217 218 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 219 "do-not-ask-credentials-on-boot"; 220 221 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 222 223 private static final String TAG_LAST_SECURITY_LOG_RETRIEVAL = "last-security-log-retrieval"; 224 225 private static final String TAG_LAST_BUG_REPORT_REQUEST = "last-bug-report-request"; 226 227 private static final String TAG_LAST_NETWORK_LOG_RETRIEVAL = "last-network-log-retrieval"; 228 229 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 230 231 private static final String ATTR_ID = "id"; 232 233 private static final String ATTR_VALUE = "value"; 234 235 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 236 237 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 238 239 private static final long MS_PER_DAY = 86400 * 1000; 240 241 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 242 243 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 244 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 245 246 private static final int MONITORING_CERT_NOTIFICATION_ID = R.plurals.ssl_ca_cert_warning; 247 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 248 private static final int NETWORK_LOGGING_NOTIFICATION_ID = 1002; 249 250 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 251 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 252 private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; 253 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 254 private static final String ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED = 255 "device-provisioning-config-applied"; 256 private static final String ATTR_DEVICE_PAIRED = "device-paired"; 257 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 258 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 259 = "application-restrictions-manager"; 260 261 /** 262 * System property whose value is either "true" or "false", indicating whether 263 * device owner is present. 264 */ 265 private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; 266 267 private static final int STATUS_BAR_DISABLE_MASK = 268 StatusBarManager.DISABLE_EXPAND | 269 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 270 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 271 StatusBarManager.DISABLE_SEARCH; 272 273 private static final int STATUS_BAR_DISABLE2_MASK = 274 StatusBarManager.DISABLE2_QUICK_SETTINGS; 275 276 private static final Set<String> SECURE_SETTINGS_WHITELIST; 277 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 278 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 279 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 280 static { 281 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 282 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 283 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 284 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 285 286 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 287 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 288 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 289 290 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 291 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 292 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 293 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 294 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 295 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 296 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 297 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 298 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 299 300 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 301 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 302 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 303 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 304 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 305 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 306 } 307 308 /** 309 * Keyguard features that when set on a managed profile that doesn't have its own challenge will 310 * affect the profile's parent user. These can also be set on the managed profile's parent DPM 311 * instance. 312 */ 313 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 314 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 315 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 316 317 /** 318 * Keyguard features that when set on a profile affect the profile content or challenge only. 319 * These cannot be set on the managed profile's parent DPM instance 320 */ 321 private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = 322 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 323 324 /** Keyguard features that are allowed to be set on a managed profile */ 325 private static final int PROFILE_KEYGUARD_FEATURES = 326 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; 327 328 private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; 329 330 /** 331 * Minimum timeout in milliseconds after which unlocking with weak auth times out, 332 * i.e. the user has to use a strong authentication method like password, PIN or pattern. 333 */ 334 private static final long MINIMUM_STRONG_AUTH_TIMEOUT_MS = 1 * 60 * 60 * 1000; // 1h 335 336 /** 337 * Strings logged with {@link #PROVISIONING_ENTRY_POINT_ADB}. 338 */ 339 private static final String LOG_TAG_PROFILE_OWNER = "profile-owner"; 340 private static final String LOG_TAG_DEVICE_OWNER = "device-owner"; 341 342 final Context mContext; 343 final Injector mInjector; 344 final IPackageManager mIPackageManager; 345 final UserManager mUserManager; 346 final UserManagerInternal mUserManagerInternal; 347 final TelephonyManager mTelephonyManager; 348 private final LockPatternUtils mLockPatternUtils; 349 350 /** 351 * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p 352 * is requested for user u. 353 */ 354 private final Set<Pair<String, Integer>> mPackagesToRemove = 355 new ArraySet<Pair<String, Integer>>(); 356 357 final LocalService mLocalService; 358 359 // Stores and loads state on device and profile owners. 360 @VisibleForTesting 361 final Owners mOwners; 362 363 private final Binder mToken = new Binder(); 364 365 /** 366 * Whether or not device admin feature is supported. If it isn't return defaults for all 367 * public methods. 368 */ 369 boolean mHasFeature; 370 371 /** 372 * Whether or not this device is a watch. 373 */ 374 boolean mIsWatch; 375 376 private final SecurityLogMonitor mSecurityLogMonitor; 377 private NetworkLogger mNetworkLogger; 378 379 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 380 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 381 382 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 383 @Override 384 public void run() { 385 if(mRemoteBugreportServiceIsActive.get()) { 386 onBugreportFailed(); 387 } 388 } 389 }; 390 391 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 392 393 @Override 394 public void onReceive(Context context, Intent intent) { 395 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 396 && mRemoteBugreportServiceIsActive.get()) { 397 onBugreportFinished(intent); 398 } 399 } 400 }; 401 402 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 403 404 @Override 405 public void onReceive(Context context, Intent intent) { 406 String action = intent.getAction(); 407 mInjector.getNotificationManager().cancel(LOG_TAG, 408 RemoteBugreportUtils.NOTIFICATION_ID); 409 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 410 onBugreportSharingAccepted(); 411 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 412 onBugreportSharingDeclined(); 413 } 414 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 415 } 416 }; 417 418 public static final class Lifecycle extends SystemService { 419 private DevicePolicyManagerService mService; 420 421 public Lifecycle(Context context) { 422 super(context); 423 mService = new DevicePolicyManagerService(context); 424 } 425 426 @Override 427 public void onStart() { 428 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 429 } 430 431 @Override 432 public void onBootPhase(int phase) { 433 mService.systemReady(phase); 434 } 435 436 @Override 437 public void onStartUser(int userHandle) { 438 mService.onStartUser(userHandle); 439 } 440 } 441 442 public static class DevicePolicyData { 443 @NonNull PasswordMetrics mActivePasswordMetrics = new PasswordMetrics(); 444 int mFailedPasswordAttempts = 0; 445 446 int mUserHandle; 447 int mPasswordOwner = -1; 448 long mLastMaximumTimeToLock = -1; 449 boolean mUserSetupComplete = false; 450 boolean mPaired = false; 451 int mUserProvisioningState; 452 int mPermissionPolicy; 453 454 boolean mDeviceProvisioningConfigApplied = false; 455 456 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 457 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 458 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 459 460 final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); 461 462 // This is the list of component allowed to start lock task mode. 463 List<String> mLockTaskPackages = new ArrayList<>(); 464 465 boolean mStatusBarDisabled = false; 466 467 ComponentName mRestrictionsProvider; 468 469 String mDelegatedCertInstallerPackage; 470 471 boolean doNotAskCredentialsOnBoot = false; 472 473 String mApplicationRestrictionsManagingPackage; 474 475 Set<String> mAffiliationIds = new ArraySet<>(); 476 477 long mLastSecurityLogRetrievalTime = -1; 478 479 long mLastBugReportRequestTime = -1; 480 481 long mLastNetworkLogsRetrievalTime = -1; 482 483 // Used for initialization of users created by createAndManageUsers. 484 boolean mAdminBroadcastPending = false; 485 PersistableBundle mInitBundle = null; 486 487 public DevicePolicyData(int userHandle) { 488 mUserHandle = userHandle; 489 } 490 } 491 492 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 493 494 final Handler mHandler; 495 496 BroadcastReceiver mReceiver = new BroadcastReceiver() { 497 @Override 498 public void onReceive(Context context, Intent intent) { 499 final String action = intent.getAction(); 500 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 501 getSendingUserId()); 502 503 /* 504 * Network logging would ideally be started in setDeviceOwnerSystemPropertyLocked(), 505 * however it's too early in the boot process to register with IIpConnectivityMetrics 506 * to listen for events. 507 */ 508 if (Intent.ACTION_USER_STARTED.equals(action) 509 && userHandle == mOwners.getDeviceOwnerUserId()) { 510 synchronized (DevicePolicyManagerService.this) { 511 if (isNetworkLoggingEnabledInternalLocked()) { 512 setNetworkLoggingActiveInternal(true); 513 } 514 } 515 } 516 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 517 && userHandle == mOwners.getDeviceOwnerUserId() 518 && getDeviceOwnerRemoteBugreportUri() != null) { 519 IntentFilter filterConsent = new IntentFilter(); 520 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 521 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 522 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 523 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 524 RemoteBugreportUtils.NOTIFICATION_ID, 525 RemoteBugreportUtils.buildNotification(mContext, 526 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 527 UserHandle.ALL); 528 } 529 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 530 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 531 if (VERBOSE_LOG) { 532 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 533 + action + " for user " + userHandle); 534 } 535 mHandler.post(new Runnable() { 536 @Override 537 public void run() { 538 handlePasswordExpirationNotification(userHandle); 539 } 540 }); 541 } 542 if (Intent.ACTION_USER_UNLOCKED.equals(action) 543 || Intent.ACTION_USER_STARTED.equals(action) 544 || KeyChain.ACTION_TRUST_STORE_CHANGED.equals(action)) { 545 if (!StorageManager.inCryptKeeperBounce()) { 546 new MonitoringCertNotificationTask().execute( 547 intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL)); 548 } 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 userRestrictions = UserRestrictionsUtils.readRestrictions(parser); 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 TrustManager getTrustManager() { 1494 return (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 1495 } 1496 1497 IWindowManager getIWindowManager() { 1498 return IWindowManager.Stub 1499 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1500 } 1501 1502 IActivityManager getIActivityManager() { 1503 return ActivityManager.getService(); 1504 } 1505 1506 IPackageManager getIPackageManager() { 1507 return AppGlobals.getPackageManager(); 1508 } 1509 1510 IBackupManager getIBackupManager() { 1511 return IBackupManager.Stub.asInterface( 1512 ServiceManager.getService(Context.BACKUP_SERVICE)); 1513 } 1514 1515 IAudioService getIAudioService() { 1516 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1517 } 1518 1519 boolean isBuildDebuggable() { 1520 return Build.IS_DEBUGGABLE; 1521 } 1522 1523 LockPatternUtils newLockPatternUtils() { 1524 return new LockPatternUtils(mContext); 1525 } 1526 1527 boolean storageManagerIsFileBasedEncryptionEnabled() { 1528 return StorageManager.isFileEncryptedNativeOnly(); 1529 } 1530 1531 boolean storageManagerIsNonDefaultBlockEncrypted() { 1532 long identity = Binder.clearCallingIdentity(); 1533 try { 1534 return StorageManager.isNonDefaultBlockEncrypted(); 1535 } finally { 1536 Binder.restoreCallingIdentity(identity); 1537 } 1538 } 1539 1540 boolean storageManagerIsEncrypted() { 1541 return StorageManager.isEncrypted(); 1542 } 1543 1544 boolean storageManagerIsEncryptable() { 1545 return StorageManager.isEncryptable(); 1546 } 1547 1548 Looper getMyLooper() { 1549 return Looper.myLooper(); 1550 } 1551 1552 WifiManager getWifiManager() { 1553 return mContext.getSystemService(WifiManager.class); 1554 } 1555 1556 long binderClearCallingIdentity() { 1557 return Binder.clearCallingIdentity(); 1558 } 1559 1560 void binderRestoreCallingIdentity(long token) { 1561 Binder.restoreCallingIdentity(token); 1562 } 1563 1564 int binderGetCallingUid() { 1565 return Binder.getCallingUid(); 1566 } 1567 1568 int binderGetCallingPid() { 1569 return Binder.getCallingPid(); 1570 } 1571 1572 UserHandle binderGetCallingUserHandle() { 1573 return Binder.getCallingUserHandle(); 1574 } 1575 1576 boolean binderIsCallingUidMyUid() { 1577 return getCallingUid() == Process.myUid(); 1578 } 1579 1580 final int userHandleGetCallingUserId() { 1581 return UserHandle.getUserId(binderGetCallingUid()); 1582 } 1583 1584 File environmentGetUserSystemDirectory(int userId) { 1585 return Environment.getUserSystemDirectory(userId); 1586 } 1587 1588 void powerManagerGoToSleep(long time, int reason, int flags) { 1589 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1590 } 1591 1592 void powerManagerReboot(String reason) { 1593 mContext.getSystemService(PowerManager.class).reboot(reason); 1594 } 1595 1596 boolean systemPropertiesGetBoolean(String key, boolean def) { 1597 return SystemProperties.getBoolean(key, def); 1598 } 1599 1600 long systemPropertiesGetLong(String key, long def) { 1601 return SystemProperties.getLong(key, def); 1602 } 1603 1604 String systemPropertiesGet(String key, String def) { 1605 return SystemProperties.get(key, def); 1606 } 1607 1608 String systemPropertiesGet(String key) { 1609 return SystemProperties.get(key); 1610 } 1611 1612 void systemPropertiesSet(String key, String value) { 1613 SystemProperties.set(key, value); 1614 } 1615 1616 boolean userManagerIsSplitSystemUser() { 1617 return UserManager.isSplitSystemUser(); 1618 } 1619 1620 String getDevicePolicyFilePathForSystemUser() { 1621 return "/data/system/"; 1622 } 1623 1624 void registerContentObserver(Uri uri, boolean notifyForDescendents, 1625 ContentObserver observer, int userHandle) { 1626 mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, 1627 observer, userHandle); 1628 } 1629 1630 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1631 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1632 name, def, userHandle); 1633 } 1634 1635 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1636 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1637 name, value, userHandle); 1638 } 1639 1640 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1641 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1642 name, value, userHandle); 1643 } 1644 1645 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1646 Settings.Global.putStringForUser(mContext.getContentResolver(), 1647 name, value, userHandle); 1648 } 1649 1650 void settingsSecurePutInt(String name, int value) { 1651 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1652 } 1653 1654 int settingsGlobalGetInt(String name, int def) { 1655 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1656 } 1657 1658 void settingsGlobalPutInt(String name, int value) { 1659 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1660 } 1661 1662 void settingsSecurePutString(String name, String value) { 1663 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1664 } 1665 1666 void settingsGlobalPutString(String name, String value) { 1667 Settings.Global.putString(mContext.getContentResolver(), name, value); 1668 } 1669 1670 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1671 SecurityLog.setLoggingEnabledProperty(enabled); 1672 } 1673 1674 boolean securityLogGetLoggingEnabledProperty() { 1675 return SecurityLog.getLoggingEnabledProperty(); 1676 } 1677 1678 boolean securityLogIsLoggingEnabled() { 1679 return SecurityLog.isLoggingEnabled(); 1680 } 1681 } 1682 1683 /** 1684 * Instantiates the service. 1685 */ 1686 public DevicePolicyManagerService(Context context) { 1687 this(new Injector(context)); 1688 } 1689 1690 @VisibleForTesting 1691 DevicePolicyManagerService(Injector injector) { 1692 mInjector = injector; 1693 mContext = Preconditions.checkNotNull(injector.mContext); 1694 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1695 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1696 1697 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1698 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1699 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1700 mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); 1701 1702 mLocalService = new LocalService(); 1703 mLockPatternUtils = injector.newLockPatternUtils(); 1704 1705 mSecurityLogMonitor = new SecurityLogMonitor(this); 1706 1707 mHasFeature = mInjector.getPackageManager() 1708 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1709 mIsWatch = mInjector.getPackageManager() 1710 .hasSystemFeature(PackageManager.FEATURE_WATCH); 1711 if (!mHasFeature) { 1712 // Skip the rest of the initialization 1713 return; 1714 } 1715 IntentFilter filter = new IntentFilter(); 1716 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1717 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1718 filter.addAction(Intent.ACTION_USER_ADDED); 1719 filter.addAction(Intent.ACTION_USER_REMOVED); 1720 filter.addAction(Intent.ACTION_USER_STARTED); 1721 filter.addAction(Intent.ACTION_USER_UNLOCKED); 1722 filter.addAction(KeyChain.ACTION_TRUST_STORE_CHANGED); 1723 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1724 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1725 filter = new IntentFilter(); 1726 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1727 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1728 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1729 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1730 filter.addDataScheme("package"); 1731 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1732 filter = new IntentFilter(); 1733 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1734 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1735 1736 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1737 } 1738 1739 /** 1740 * Creates and loads the policy data from xml. 1741 * @param userHandle the user for whom to load the policy data 1742 * @return 1743 */ 1744 @NonNull 1745 DevicePolicyData getUserData(int userHandle) { 1746 synchronized (this) { 1747 DevicePolicyData policy = mUserData.get(userHandle); 1748 if (policy == null) { 1749 policy = new DevicePolicyData(userHandle); 1750 mUserData.append(userHandle, policy); 1751 loadSettingsLocked(policy, userHandle); 1752 } 1753 return policy; 1754 } 1755 } 1756 1757 /** 1758 * Creates and loads the policy data from xml for data that is shared between 1759 * various profiles of a user. In contrast to {@link #getUserData(int)} 1760 * it allows access to data of users other than the calling user. 1761 * 1762 * This function should only be used for shared data, e.g. everything regarding 1763 * passwords and should be removed once multiple screen locks are present. 1764 * @param userHandle the user for whom to load the policy data 1765 * @return 1766 */ 1767 DevicePolicyData getUserDataUnchecked(int userHandle) { 1768 long ident = mInjector.binderClearCallingIdentity(); 1769 try { 1770 return getUserData(userHandle); 1771 } finally { 1772 mInjector.binderRestoreCallingIdentity(ident); 1773 } 1774 } 1775 1776 void removeUserData(int userHandle) { 1777 synchronized (this) { 1778 if (userHandle == UserHandle.USER_SYSTEM) { 1779 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1780 return; 1781 } 1782 mOwners.removeProfileOwner(userHandle); 1783 mOwners.writeProfileOwner(userHandle); 1784 1785 DevicePolicyData policy = mUserData.get(userHandle); 1786 if (policy != null) { 1787 mUserData.remove(userHandle); 1788 } 1789 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1790 DEVICE_POLICIES_XML); 1791 policyFile.delete(); 1792 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1793 } 1794 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1795 } 1796 1797 void loadOwners() { 1798 synchronized (this) { 1799 mOwners.load(); 1800 setDeviceOwnerSystemPropertyLocked(); 1801 findOwnerComponentIfNecessaryLocked(); 1802 migrateUserRestrictionsIfNecessaryLocked(); 1803 setDefaultEnabledUserRestrictionsIfNecessaryLocked(); 1804 1805 // TODO PO may not have a class name either due to b/17652534. Address that too. 1806 1807 updateDeviceOwnerLocked(); 1808 } 1809 } 1810 1811 private void setDefaultEnabledUserRestrictionsIfNecessaryLocked() { 1812 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 1813 if (deviceOwner != null 1814 && !UserRestrictionsUtils.getDefaultEnabledForDeviceOwner().equals( 1815 deviceOwner.defaultEnabledRestrictionsAlreadySet)) { 1816 Slog.i(LOG_TAG,"New user restrictions need to be set by default for the device owner"); 1817 1818 if (VERBOSE_LOG) { 1819 Slog.d(LOG_TAG,"Default enabled restrictions for DO: " 1820 + UserRestrictionsUtils.getDefaultEnabledForDeviceOwner() 1821 + ". Restrictions already enabled: " 1822 + deviceOwner.defaultEnabledRestrictionsAlreadySet); 1823 } 1824 1825 Set<String> restrictionsToSet = new ArraySet<>( 1826 UserRestrictionsUtils.getDefaultEnabledForDeviceOwner()); 1827 restrictionsToSet.removeAll(deviceOwner.defaultEnabledRestrictionsAlreadySet); 1828 if (!restrictionsToSet.isEmpty()) { 1829 for (String restriction : restrictionsToSet) { 1830 deviceOwner.ensureUserRestrictions().putBoolean(restriction, true); 1831 } 1832 deviceOwner.defaultEnabledRestrictionsAlreadySet.addAll(restrictionsToSet); 1833 Slog.i(LOG_TAG, 1834 "Enabled the following restrictions by default: " + restrictionsToSet); 1835 1836 saveUserRestrictionsLocked(mOwners.getDeviceOwnerUserId()); 1837 } 1838 } 1839 } 1840 1841 private void setDeviceOwnerSystemPropertyLocked() { 1842 // Device owner may still be provisioned, do not set the read-only system property yet. 1843 if (mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) == 0) { 1844 return; 1845 } 1846 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 1847 // always false at this point. 1848 if (StorageManager.inCryptKeeperBounce()) { 1849 return; 1850 } 1851 1852 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 1853 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 1854 } else { 1855 if (mOwners.hasDeviceOwner()) { 1856 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 1857 Slog.i(LOG_TAG, "Set ro.device_owner property to true"); 1858 disableDeviceOwnerManagedSingleUserFeaturesIfNeeded(); 1859 if (mInjector.securityLogGetLoggingEnabledProperty()) { 1860 mSecurityLogMonitor.start(); 1861 } 1862 } else { 1863 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 1864 Slog.i(LOG_TAG, "Set ro.device_owner property to false"); 1865 } 1866 } 1867 } 1868 1869 private void findOwnerComponentIfNecessaryLocked() { 1870 if (!mOwners.hasDeviceOwner()) { 1871 return; 1872 } 1873 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1874 1875 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1876 return; // Already a full component name. 1877 } 1878 1879 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1880 doComponentName.getPackageName(), 1881 mOwners.getDeviceOwnerUserId()); 1882 if (doComponent == null) { 1883 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1884 } else { 1885 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1886 doComponent, 1887 mOwners.getDeviceOwnerName(), 1888 mOwners.getDeviceOwnerUserId(), 1889 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1890 mOwners.writeDeviceOwner(); 1891 if (VERBOSE_LOG) { 1892 Log.v(LOG_TAG, "Device owner component filled in"); 1893 } 1894 } 1895 } 1896 1897 /** 1898 * We didn't use to persist user restrictions for each owners but only persisted in user 1899 * manager. 1900 */ 1901 private void migrateUserRestrictionsIfNecessaryLocked() { 1902 boolean migrated = false; 1903 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 1904 // except for the "system controlled" ones. 1905 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 1906 if (VERBOSE_LOG) { 1907 Log.v(LOG_TAG, "Migrating DO user restrictions"); 1908 } 1909 migrated = true; 1910 1911 // Migrate user 0 restrictions to DO. 1912 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 1913 1914 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 1915 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 1916 1917 // Push DO user restrictions to user manager. 1918 pushUserRestrictions(UserHandle.USER_SYSTEM); 1919 1920 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 1921 } 1922 1923 // Migrate for POs. 1924 1925 // The following restrictions can be set on secondary users by the device owner, so we 1926 // assume they're not from the PO. 1927 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 1928 UserManager.DISALLOW_OUTGOING_CALLS, 1929 UserManager.DISALLOW_SMS); 1930 1931 for (UserInfo ui : mUserManager.getUsers()) { 1932 final int userId = ui.id; 1933 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 1934 if (VERBOSE_LOG) { 1935 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 1936 } 1937 migrated = true; 1938 1939 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 1940 1941 final Set<String> exceptionList = 1942 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 1943 1944 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 1945 exceptionList, /* isDeviceOwner =*/ false); 1946 1947 // Note if a secondary user has no PO but has a DA that disables camera, we 1948 // don't get here and won't push the camera user restriction to UserManager 1949 // here. That's okay because we'll push user restrictions anyway when a user 1950 // starts. But we still do it because we want to let user manager persist 1951 // upon migration. 1952 pushUserRestrictions(userId); 1953 1954 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 1955 } 1956 } 1957 if (VERBOSE_LOG && migrated) { 1958 Log.v(LOG_TAG, "User restrictions migrated."); 1959 } 1960 } 1961 1962 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 1963 Set<String> exceptionList, boolean isDeviceOwner) { 1964 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 1965 user.getIdentifier()); 1966 1967 final Bundle newBaseRestrictions = new Bundle(); 1968 final Bundle newOwnerRestrictions = new Bundle(); 1969 1970 for (String key : origRestrictions.keySet()) { 1971 if (!origRestrictions.getBoolean(key)) { 1972 continue; 1973 } 1974 final boolean canOwnerChange = isDeviceOwner 1975 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 1976 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 1977 1978 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 1979 newBaseRestrictions.putBoolean(key, true); 1980 } else { 1981 newOwnerRestrictions.putBoolean(key, true); 1982 } 1983 } 1984 1985 if (VERBOSE_LOG) { 1986 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 1987 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 1988 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 1989 } 1990 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 1991 newBaseRestrictions); 1992 1993 if (admin != null) { 1994 admin.ensureUserRestrictions().clear(); 1995 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 1996 } else { 1997 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 1998 } 1999 saveSettingsLocked(user.getIdentifier()); 2000 } 2001 2002 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 2003 final DevicePolicyData policy = getUserData(userId); 2004 final int n = policy.mAdminList.size(); 2005 ComponentName found = null; 2006 int nFound = 0; 2007 for (int i = 0; i < n; i++) { 2008 final ActiveAdmin admin = policy.mAdminList.get(i); 2009 if (packageName.equals(admin.info.getPackageName())) { 2010 // Found! 2011 if (nFound == 0) { 2012 found = admin.info.getComponent(); 2013 } 2014 nFound++; 2015 } 2016 } 2017 if (nFound > 1) { 2018 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 2019 } 2020 return found; 2021 } 2022 2023 /** 2024 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 2025 * reminders. Clears alarm if no expirations are configured. 2026 */ 2027 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 2028 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 2029 final long now = System.currentTimeMillis(); 2030 final long timeToExpire = expiration - now; 2031 final long alarmTime; 2032 if (expiration == 0) { 2033 // No expirations are currently configured: Cancel alarm. 2034 alarmTime = 0; 2035 } else if (timeToExpire <= 0) { 2036 // The password has already expired: Repeat every 24 hours. 2037 alarmTime = now + MS_PER_DAY; 2038 } else { 2039 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 2040 // the expiration time. 2041 long alarmInterval = timeToExpire % MS_PER_DAY; 2042 if (alarmInterval == 0) { 2043 alarmInterval = MS_PER_DAY; 2044 } 2045 alarmTime = now + alarmInterval; 2046 } 2047 2048 long token = mInjector.binderClearCallingIdentity(); 2049 try { 2050 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 2051 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 2052 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 2053 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 2054 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 2055 UserHandle.of(affectedUserHandle)); 2056 am.cancel(pi); 2057 if (alarmTime != 0) { 2058 am.set(AlarmManager.RTC, alarmTime, pi); 2059 } 2060 } finally { 2061 mInjector.binderRestoreCallingIdentity(token); 2062 } 2063 } 2064 2065 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 2066 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 2067 if (admin != null 2068 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 2069 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 2070 return admin; 2071 } 2072 return null; 2073 } 2074 2075 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 2076 if (parent) { 2077 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 2078 } 2079 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2080 if (admin != null && parent) { 2081 admin = admin.getParentActiveAdmin(); 2082 } 2083 return admin; 2084 } 2085 2086 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 2087 throws SecurityException { 2088 final int callingUid = mInjector.binderGetCallingUid(); 2089 2090 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 2091 if (result != null) { 2092 return result; 2093 } 2094 2095 if (who != null) { 2096 final int userId = UserHandle.getUserId(callingUid); 2097 final DevicePolicyData policy = getUserData(userId); 2098 ActiveAdmin admin = policy.mAdminMap.get(who); 2099 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2100 throw new SecurityException("Admin " + admin.info.getComponent() 2101 + " does not own the device"); 2102 } 2103 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2104 throw new SecurityException("Admin " + admin.info.getComponent() 2105 + " does not own the profile"); 2106 } 2107 throw new SecurityException("Admin " + admin.info.getComponent() 2108 + " did not specify uses-policy for: " 2109 + admin.info.getTagForPolicy(reqPolicy)); 2110 } else { 2111 throw new SecurityException("No active admin owned by uid " 2112 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 2113 } 2114 } 2115 2116 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 2117 throws SecurityException { 2118 if (parent) { 2119 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 2120 "call APIs on the parent profile"); 2121 } 2122 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 2123 return parent ? admin.getParentActiveAdmin() : admin; 2124 } 2125 /** 2126 * Find the admin for the component and userId bit of the uid, then check 2127 * the admin's uid matches the uid. 2128 */ 2129 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 2130 final int userId = UserHandle.getUserId(uid); 2131 final DevicePolicyData policy = getUserData(userId); 2132 ActiveAdmin admin = policy.mAdminMap.get(who); 2133 if (admin == null) { 2134 throw new SecurityException("No active admin " + who); 2135 } 2136 if (admin.getUid() != uid) { 2137 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2138 } 2139 return admin; 2140 } 2141 2142 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 2143 int uid) { 2144 // Try to find an admin which can use reqPolicy 2145 final int userId = UserHandle.getUserId(uid); 2146 final DevicePolicyData policy = getUserData(userId); 2147 if (who != null) { 2148 ActiveAdmin admin = policy.mAdminMap.get(who); 2149 if (admin == null) { 2150 throw new SecurityException("No active admin " + who); 2151 } 2152 if (admin.getUid() != uid) { 2153 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2154 } 2155 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 2156 return admin; 2157 } 2158 } else { 2159 for (ActiveAdmin admin : policy.mAdminList) { 2160 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 2161 userId)) { 2162 return admin; 2163 } 2164 } 2165 } 2166 2167 return null; 2168 } 2169 2170 @VisibleForTesting 2171 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 2172 int userId) { 2173 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 2174 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 2175 2176 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2177 return ownsDevice; 2178 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2179 // DO always has the PO power. 2180 return ownsDevice || ownsProfile; 2181 } else { 2182 return admin.info.usesPolicy(reqPolicy); 2183 } 2184 } 2185 2186 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 2187 sendAdminCommandLocked(admin, action, null); 2188 } 2189 2190 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 2191 sendAdminCommandLocked(admin, action, null, result); 2192 } 2193 2194 /** 2195 * Send an update to one specific admin, get notified when that admin returns a result. 2196 */ 2197 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 2198 BroadcastReceiver result) { 2199 Intent intent = new Intent(action); 2200 intent.setComponent(admin.info.getComponent()); 2201 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 2202 intent.putExtra("expiration", admin.passwordExpirationDate); 2203 } 2204 if (adminExtras != null) { 2205 intent.putExtras(adminExtras); 2206 } 2207 if (result != null) { 2208 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2209 null, result, mHandler, Activity.RESULT_OK, null, null); 2210 } else { 2211 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2212 } 2213 } 2214 2215 /** 2216 * Send an update to all admins of a user that enforce a specified policy. 2217 */ 2218 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle, Bundle adminExtras) { 2219 final DevicePolicyData policy = getUserData(userHandle); 2220 final int count = policy.mAdminList.size(); 2221 for (int i = 0; i < count; i++) { 2222 final ActiveAdmin admin = policy.mAdminList.get(i); 2223 if (admin.info.usesPolicy(reqPolicy)) { 2224 sendAdminCommandLocked(admin, action, adminExtras, null); 2225 } 2226 } 2227 } 2228 2229 /** 2230 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2231 * enforce a specified policy. 2232 */ 2233 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2234 int userHandle, Bundle adminExtras) { 2235 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 2236 for (int profileId : profileIds) { 2237 sendAdminCommandLocked(action, reqPolicy, profileId, adminExtras); 2238 } 2239 } 2240 2241 /** 2242 * Sends a broadcast to each profile that share the password unlock with the given user id. 2243 */ 2244 private void sendAdminCommandForLockscreenPoliciesLocked( 2245 String action, int reqPolicy, int userHandle) { 2246 final Bundle extras = new Bundle(); 2247 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 2248 if (isSeparateProfileChallengeEnabled(userHandle)) { 2249 sendAdminCommandLocked(action, reqPolicy, userHandle, extras); 2250 } else { 2251 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle, extras); 2252 } 2253 } 2254 2255 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2256 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2257 DevicePolicyData policy = getUserData(userHandle); 2258 if (admin != null && !policy.mRemovingAdmins.contains(adminReceiver)) { 2259 policy.mRemovingAdmins.add(adminReceiver); 2260 sendAdminCommandLocked(admin, 2261 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2262 new BroadcastReceiver() { 2263 @Override 2264 public void onReceive(Context context, Intent intent) { 2265 removeAdminArtifacts(adminReceiver, userHandle); 2266 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2267 } 2268 }); 2269 } 2270 } 2271 2272 2273 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2274 boolean throwForMissiongPermission) { 2275 if (!mHasFeature) { 2276 return null; 2277 } 2278 enforceFullCrossUsersPermission(userHandle); 2279 ActivityInfo ai = null; 2280 try { 2281 ai = mIPackageManager.getReceiverInfo(adminName, 2282 PackageManager.GET_META_DATA | 2283 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | 2284 PackageManager.MATCH_DIRECT_BOOT_AWARE | 2285 PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); 2286 } catch (RemoteException e) { 2287 // shouldn't happen. 2288 } 2289 if (ai == null) { 2290 throw new IllegalArgumentException("Unknown admin: " + adminName); 2291 } 2292 2293 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2294 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2295 + permission.BIND_DEVICE_ADMIN; 2296 Slog.w(LOG_TAG, message); 2297 if (throwForMissiongPermission && 2298 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2299 throw new IllegalArgumentException(message); 2300 } 2301 } 2302 2303 try { 2304 return new DeviceAdminInfo(mContext, ai); 2305 } catch (XmlPullParserException | IOException e) { 2306 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2307 e); 2308 return null; 2309 } 2310 } 2311 2312 private JournaledFile makeJournaledFile(int userHandle) { 2313 final String base = userHandle == UserHandle.USER_SYSTEM 2314 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2315 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2316 DEVICE_POLICIES_XML).getAbsolutePath(); 2317 if (VERBOSE_LOG) { 2318 Log.v(LOG_TAG, "Opening " + base); 2319 } 2320 return new JournaledFile(new File(base), new File(base + ".tmp")); 2321 } 2322 2323 private void saveSettingsLocked(int userHandle) { 2324 DevicePolicyData policy = getUserData(userHandle); 2325 JournaledFile journal = makeJournaledFile(userHandle); 2326 FileOutputStream stream = null; 2327 try { 2328 stream = new FileOutputStream(journal.chooseForWrite(), false); 2329 XmlSerializer out = new FastXmlSerializer(); 2330 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2331 out.startDocument(null, true); 2332 2333 out.startTag(null, "policies"); 2334 if (policy.mRestrictionsProvider != null) { 2335 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2336 policy.mRestrictionsProvider.flattenToString()); 2337 } 2338 if (policy.mUserSetupComplete) { 2339 out.attribute(null, ATTR_SETUP_COMPLETE, 2340 Boolean.toString(true)); 2341 } 2342 if (policy.mPaired) { 2343 out.attribute(null, ATTR_DEVICE_PAIRED, 2344 Boolean.toString(true)); 2345 } 2346 if (policy.mDeviceProvisioningConfigApplied) { 2347 out.attribute(null, ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED, 2348 Boolean.toString(true)); 2349 } 2350 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2351 out.attribute(null, ATTR_PROVISIONING_STATE, 2352 Integer.toString(policy.mUserProvisioningState)); 2353 } 2354 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2355 out.attribute(null, ATTR_PERMISSION_POLICY, 2356 Integer.toString(policy.mPermissionPolicy)); 2357 } 2358 if (policy.mDelegatedCertInstallerPackage != null) { 2359 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 2360 policy.mDelegatedCertInstallerPackage); 2361 } 2362 if (policy.mApplicationRestrictionsManagingPackage != null) { 2363 out.attribute(null, ATTR_APPLICATION_RESTRICTIONS_MANAGER, 2364 policy.mApplicationRestrictionsManagingPackage); 2365 } 2366 2367 final int N = policy.mAdminList.size(); 2368 for (int i=0; i<N; i++) { 2369 ActiveAdmin ap = policy.mAdminList.get(i); 2370 if (ap != null) { 2371 out.startTag(null, "admin"); 2372 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2373 ap.writeToXml(out); 2374 out.endTag(null, "admin"); 2375 } 2376 } 2377 2378 if (policy.mPasswordOwner >= 0) { 2379 out.startTag(null, "password-owner"); 2380 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2381 out.endTag(null, "password-owner"); 2382 } 2383 2384 if (policy.mFailedPasswordAttempts != 0) { 2385 out.startTag(null, "failed-password-attempts"); 2386 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2387 out.endTag(null, "failed-password-attempts"); 2388 } 2389 2390 // Don't save metrics for FBE devices 2391 final PasswordMetrics metrics = policy.mActivePasswordMetrics; 2392 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled() && !metrics.isDefault()) { 2393 out.startTag(null, "active-password"); 2394 out.attribute(null, "quality", Integer.toString(metrics.quality)); 2395 out.attribute(null, "length", Integer.toString(metrics.length)); 2396 out.attribute(null, "uppercase", Integer.toString(metrics.upperCase)); 2397 out.attribute(null, "lowercase", Integer.toString(metrics.lowerCase)); 2398 out.attribute(null, "letters", Integer.toString(metrics.letters)); 2399 out.attribute(null, "numeric", Integer.toString(metrics.numeric)); 2400 out.attribute(null, "symbols", Integer.toString(metrics.symbols)); 2401 out.attribute(null, "nonletter", Integer.toString(metrics.nonLetter)); 2402 out.endTag(null, "active-password"); 2403 } 2404 2405 for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { 2406 out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2407 out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); 2408 out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2409 } 2410 2411 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2412 String component = policy.mLockTaskPackages.get(i); 2413 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2414 out.attribute(null, "name", component); 2415 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2416 } 2417 2418 if (policy.mStatusBarDisabled) { 2419 out.startTag(null, TAG_STATUS_BAR); 2420 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2421 out.endTag(null, TAG_STATUS_BAR); 2422 } 2423 2424 if (policy.doNotAskCredentialsOnBoot) { 2425 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2426 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2427 } 2428 2429 for (String id : policy.mAffiliationIds) { 2430 out.startTag(null, TAG_AFFILIATION_ID); 2431 out.attribute(null, ATTR_ID, id); 2432 out.endTag(null, TAG_AFFILIATION_ID); 2433 } 2434 2435 if (policy.mLastSecurityLogRetrievalTime >= 0) { 2436 out.startTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2437 out.attribute(null, ATTR_VALUE, 2438 Long.toString(policy.mLastSecurityLogRetrievalTime)); 2439 out.endTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2440 } 2441 2442 if (policy.mLastBugReportRequestTime >= 0) { 2443 out.startTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2444 out.attribute(null, ATTR_VALUE, 2445 Long.toString(policy.mLastBugReportRequestTime)); 2446 out.endTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2447 } 2448 2449 if (policy.mLastNetworkLogsRetrievalTime >= 0) { 2450 out.startTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2451 out.attribute(null, ATTR_VALUE, 2452 Long.toString(policy.mLastNetworkLogsRetrievalTime)); 2453 out.endTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2454 } 2455 2456 if (policy.mAdminBroadcastPending) { 2457 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2458 out.attribute(null, ATTR_VALUE, 2459 Boolean.toString(policy.mAdminBroadcastPending)); 2460 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2461 } 2462 2463 if (policy.mInitBundle != null) { 2464 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2465 policy.mInitBundle.saveToXml(out); 2466 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2467 } 2468 2469 out.endTag(null, "policies"); 2470 2471 out.endDocument(); 2472 stream.flush(); 2473 FileUtils.sync(stream); 2474 stream.close(); 2475 journal.commit(); 2476 sendChangedNotification(userHandle); 2477 } catch (XmlPullParserException | IOException e) { 2478 Slog.w(LOG_TAG, "failed writing file", e); 2479 try { 2480 if (stream != null) { 2481 stream.close(); 2482 } 2483 } catch (IOException ex) { 2484 // Ignore 2485 } 2486 journal.rollback(); 2487 } 2488 } 2489 2490 private void sendChangedNotification(int userHandle) { 2491 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2492 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2493 long ident = mInjector.binderClearCallingIdentity(); 2494 try { 2495 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2496 } finally { 2497 mInjector.binderRestoreCallingIdentity(ident); 2498 } 2499 } 2500 2501 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2502 JournaledFile journal = makeJournaledFile(userHandle); 2503 FileInputStream stream = null; 2504 File file = journal.chooseForRead(); 2505 boolean needsRewrite = false; 2506 try { 2507 stream = new FileInputStream(file); 2508 XmlPullParser parser = Xml.newPullParser(); 2509 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2510 2511 int type; 2512 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2513 && type != XmlPullParser.START_TAG) { 2514 } 2515 String tag = parser.getName(); 2516 if (!"policies".equals(tag)) { 2517 throw new XmlPullParserException( 2518 "Settings do not start with policies tag: found " + tag); 2519 } 2520 2521 // Extract the permission provider component name if available 2522 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2523 if (permissionProvider != null) { 2524 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2525 } 2526 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2527 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2528 policy.mUserSetupComplete = true; 2529 } 2530 String paired = parser.getAttributeValue(null, ATTR_DEVICE_PAIRED); 2531 if (paired != null && Boolean.toString(true).equals(paired)) { 2532 policy.mPaired = true; 2533 } 2534 String deviceProvisioningConfigApplied = parser.getAttributeValue(null, 2535 ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED); 2536 if (deviceProvisioningConfigApplied != null 2537 && Boolean.toString(true).equals(deviceProvisioningConfigApplied)) { 2538 policy.mDeviceProvisioningConfigApplied = true; 2539 } 2540 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2541 if (!TextUtils.isEmpty(provisioningState)) { 2542 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2543 } 2544 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2545 if (!TextUtils.isEmpty(permissionPolicy)) { 2546 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2547 } 2548 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 2549 ATTR_DELEGATED_CERT_INSTALLER); 2550 policy.mApplicationRestrictionsManagingPackage = parser.getAttributeValue(null, 2551 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2552 2553 type = parser.next(); 2554 int outerDepth = parser.getDepth(); 2555 policy.mLockTaskPackages.clear(); 2556 policy.mAdminList.clear(); 2557 policy.mAdminMap.clear(); 2558 policy.mAffiliationIds.clear(); 2559 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2560 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2561 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2562 continue; 2563 } 2564 tag = parser.getName(); 2565 if ("admin".equals(tag)) { 2566 String name = parser.getAttributeValue(null, "name"); 2567 try { 2568 DeviceAdminInfo dai = findAdmin( 2569 ComponentName.unflattenFromString(name), userHandle, 2570 /* throwForMissionPermission= */ false); 2571 if (VERBOSE_LOG 2572 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2573 != userHandle)) { 2574 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2575 + dai.getActivityInfo().applicationInfo.uid + " for user " 2576 + userHandle); 2577 } 2578 if (dai != null) { 2579 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2580 ap.readFromXml(parser); 2581 policy.mAdminMap.put(ap.info.getComponent(), ap); 2582 } 2583 } catch (RuntimeException e) { 2584 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2585 } 2586 } else if ("failed-password-attempts".equals(tag)) { 2587 policy.mFailedPasswordAttempts = Integer.parseInt( 2588 parser.getAttributeValue(null, "value")); 2589 } else if ("password-owner".equals(tag)) { 2590 policy.mPasswordOwner = Integer.parseInt( 2591 parser.getAttributeValue(null, "value")); 2592 } else if (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { 2593 policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); 2594 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2595 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2596 } else if (TAG_STATUS_BAR.equals(tag)) { 2597 policy.mStatusBarDisabled = Boolean.parseBoolean( 2598 parser.getAttributeValue(null, ATTR_DISABLED)); 2599 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2600 policy.doNotAskCredentialsOnBoot = true; 2601 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2602 policy.mAffiliationIds.add(parser.getAttributeValue(null, ATTR_ID)); 2603 } else if (TAG_LAST_SECURITY_LOG_RETRIEVAL.equals(tag)) { 2604 policy.mLastSecurityLogRetrievalTime = Long.parseLong( 2605 parser.getAttributeValue(null, ATTR_VALUE)); 2606 } else if (TAG_LAST_BUG_REPORT_REQUEST.equals(tag)) { 2607 policy.mLastBugReportRequestTime = Long.parseLong( 2608 parser.getAttributeValue(null, ATTR_VALUE)); 2609 } else if (TAG_LAST_NETWORK_LOG_RETRIEVAL.equals(tag)) { 2610 policy.mLastNetworkLogsRetrievalTime = Long.parseLong( 2611 parser.getAttributeValue(null, ATTR_VALUE)); 2612 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2613 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2614 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2615 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2616 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2617 } else if ("active-password".equals(tag)) { 2618 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 2619 // Remove this from FBE devices 2620 needsRewrite = true; 2621 } else { 2622 final PasswordMetrics m = policy.mActivePasswordMetrics; 2623 m.quality = Integer.parseInt(parser.getAttributeValue(null, "quality")); 2624 m.length = Integer.parseInt(parser.getAttributeValue(null, "length")); 2625 m.upperCase = Integer.parseInt(parser.getAttributeValue(null, "uppercase")); 2626 m.lowerCase = Integer.parseInt(parser.getAttributeValue(null, "lowercase")); 2627 m.letters = Integer.parseInt(parser.getAttributeValue(null, "letters")); 2628 m.numeric = Integer.parseInt(parser.getAttributeValue(null, "numeric")); 2629 m.symbols = Integer.parseInt(parser.getAttributeValue(null, "symbols")); 2630 m.nonLetter = Integer.parseInt(parser.getAttributeValue(null, "nonletter")); 2631 } 2632 } else { 2633 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2634 XmlUtils.skipCurrentTag(parser); 2635 } 2636 } 2637 } catch (FileNotFoundException e) { 2638 // Don't be noisy, this is normal if we haven't defined any policies. 2639 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2640 | IndexOutOfBoundsException e) { 2641 Slog.w(LOG_TAG, "failed parsing " + file, e); 2642 } 2643 try { 2644 if (stream != null) { 2645 stream.close(); 2646 } 2647 } catch (IOException e) { 2648 // Ignore 2649 } 2650 2651 // Might need to upgrade the file by rewriting it 2652 if (needsRewrite) { 2653 saveSettingsLocked(userHandle); 2654 } 2655 2656 // Generate a list of admins from the admin map 2657 policy.mAdminList.addAll(policy.mAdminMap.values()); 2658 2659 validatePasswordOwnerLocked(policy); 2660 updateMaximumTimeToLockLocked(userHandle); 2661 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2662 if (policy.mStatusBarDisabled) { 2663 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2664 } 2665 } 2666 2667 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2668 long ident = mInjector.binderClearCallingIdentity(); 2669 try { 2670 mInjector.getIActivityManager() 2671 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2672 } catch (RemoteException e) { 2673 // Not gonna happen. 2674 } finally { 2675 mInjector.binderRestoreCallingIdentity(ident); 2676 } 2677 } 2678 2679 private void updateDeviceOwnerLocked() { 2680 long ident = mInjector.binderClearCallingIdentity(); 2681 try { 2682 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2683 // user id and also protect all other DAs too. 2684 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2685 if (deviceOwnerComponent != null) { 2686 mInjector.getIActivityManager() 2687 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2688 } 2689 } catch (RemoteException e) { 2690 // Not gonna happen. 2691 } finally { 2692 mInjector.binderRestoreCallingIdentity(ident); 2693 } 2694 } 2695 2696 static void validateQualityConstant(int quality) { 2697 switch (quality) { 2698 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2699 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2700 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2701 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2702 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2703 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2704 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2705 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2706 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2707 return; 2708 } 2709 throw new IllegalArgumentException("Invalid quality constant: 0x" 2710 + Integer.toHexString(quality)); 2711 } 2712 2713 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2714 if (policy.mPasswordOwner >= 0) { 2715 boolean haveOwner = false; 2716 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2717 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2718 haveOwner = true; 2719 break; 2720 } 2721 } 2722 if (!haveOwner) { 2723 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2724 + " no longer active; disabling"); 2725 policy.mPasswordOwner = -1; 2726 } 2727 } 2728 } 2729 2730 @VisibleForTesting 2731 void systemReady(int phase) { 2732 if (!mHasFeature) { 2733 return; 2734 } 2735 switch (phase) { 2736 case SystemService.PHASE_LOCK_SETTINGS_READY: 2737 onLockSettingsReady(); 2738 break; 2739 case SystemService.PHASE_BOOT_COMPLETED: 2740 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2741 break; 2742 } 2743 } 2744 2745 private void onLockSettingsReady() { 2746 getUserData(UserHandle.USER_SYSTEM); 2747 loadOwners(); 2748 cleanUpOldUsers(); 2749 2750 onStartUser(UserHandle.USER_SYSTEM); 2751 2752 // Register an observer for watching for user setup complete. 2753 new SetupContentObserver(mHandler).register(); 2754 // Initialize the user setup state, to handle the upgrade case. 2755 updateUserSetupCompleteAndPaired(); 2756 2757 List<String> packageList; 2758 synchronized (this) { 2759 packageList = getKeepUninstalledPackagesLocked(); 2760 } 2761 if (packageList != null) { 2762 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2763 } 2764 2765 synchronized (this) { 2766 // push the force-ephemeral-users policy to the user manager. 2767 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 2768 if (deviceOwner != null) { 2769 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 2770 } 2771 } 2772 } 2773 2774 private void ensureDeviceOwnerUserStarted() { 2775 final int userId; 2776 synchronized (this) { 2777 if (!mOwners.hasDeviceOwner()) { 2778 return; 2779 } 2780 userId = mOwners.getDeviceOwnerUserId(); 2781 } 2782 if (VERBOSE_LOG) { 2783 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2784 } 2785 if (userId != UserHandle.USER_SYSTEM) { 2786 try { 2787 mInjector.getIActivityManager().startUserInBackground(userId); 2788 2789 // STOPSHIP Prevent the DO user from being killed. 2790 2791 } catch (RemoteException e) { 2792 Slog.w(LOG_TAG, "Exception starting user", e); 2793 } 2794 } 2795 } 2796 2797 private void onStartUser(int userId) { 2798 updateScreenCaptureDisabledInWindowManager(userId, 2799 getScreenCaptureDisabled(null, userId)); 2800 pushUserRestrictions(userId); 2801 } 2802 2803 private void cleanUpOldUsers() { 2804 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2805 // before reboot 2806 Set<Integer> usersWithProfileOwners; 2807 Set<Integer> usersWithData; 2808 synchronized(this) { 2809 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 2810 usersWithData = new ArraySet<>(); 2811 for (int i = 0; i < mUserData.size(); i++) { 2812 usersWithData.add(mUserData.keyAt(i)); 2813 } 2814 } 2815 List<UserInfo> allUsers = mUserManager.getUsers(); 2816 2817 Set<Integer> deletedUsers = new ArraySet<>(); 2818 deletedUsers.addAll(usersWithProfileOwners); 2819 deletedUsers.addAll(usersWithData); 2820 for (UserInfo userInfo : allUsers) { 2821 deletedUsers.remove(userInfo.id); 2822 } 2823 for (Integer userId : deletedUsers) { 2824 removeUserData(userId); 2825 } 2826 } 2827 2828 private void handlePasswordExpirationNotification(int userHandle) { 2829 final Bundle adminExtras = new Bundle(); 2830 adminExtras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 2831 2832 synchronized (this) { 2833 final long now = System.currentTimeMillis(); 2834 2835 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 2836 userHandle, /* parent */ false); 2837 final int N = admins.size(); 2838 for (int i = 0; i < N; i++) { 2839 ActiveAdmin admin = admins.get(i); 2840 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 2841 && admin.passwordExpirationTimeout > 0L 2842 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 2843 && admin.passwordExpirationDate > 0L) { 2844 sendAdminCommandLocked(admin, 2845 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING, adminExtras, null); 2846 } 2847 } 2848 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 2849 } 2850 } 2851 2852 private class MonitoringCertNotificationTask extends AsyncTask<Integer, Void, Void> { 2853 @Override 2854 protected Void doInBackground(Integer... params) { 2855 int userHandle = params[0]; 2856 2857 if (userHandle == UserHandle.USER_ALL) { 2858 for (UserInfo userInfo : mUserManager.getUsers(true)) { 2859 manageNotification(userInfo.getUserHandle()); 2860 } 2861 } else { 2862 manageNotification(UserHandle.of(userHandle)); 2863 } 2864 return null; 2865 } 2866 2867 private void manageNotification(UserHandle userHandle) { 2868 if (!mUserManager.isUserUnlocked(userHandle)) { 2869 return; 2870 } 2871 2872 // Call out to KeyChain to check for CAs which are waiting for approval. 2873 final List<String> pendingCertificates; 2874 try { 2875 pendingCertificates = getInstalledCaCertificates(userHandle); 2876 } catch (RemoteException | RuntimeException e) { 2877 Log.e(LOG_TAG, "Could not retrieve certificates from KeyChain service", e); 2878 return; 2879 } 2880 2881 synchronized (DevicePolicyManagerService.this) { 2882 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 2883 2884 // Remove deleted certificates. Flush xml if necessary. 2885 if (policy.mAcceptedCaCertificates.retainAll(pendingCertificates)) { 2886 saveSettingsLocked(userHandle.getIdentifier()); 2887 } 2888 // Trim to approved certificates. 2889 pendingCertificates.removeAll(policy.mAcceptedCaCertificates); 2890 } 2891 2892 if (pendingCertificates.isEmpty()) { 2893 mInjector.getNotificationManager().cancelAsUser( 2894 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 2895 return; 2896 } 2897 2898 // Build and show a warning notification 2899 int smallIconId; 2900 String contentText; 2901 int parentUserId = userHandle.getIdentifier(); 2902 if (getProfileOwner(userHandle.getIdentifier()) != null) { 2903 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2904 getProfileOwnerName(userHandle.getIdentifier())); 2905 smallIconId = R.drawable.stat_sys_certificate_info; 2906 parentUserId = getProfileParentId(userHandle.getIdentifier()); 2907 } else if (getDeviceOwnerUserId() == userHandle.getIdentifier()) { 2908 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2909 getDeviceOwnerName()); 2910 smallIconId = R.drawable.stat_sys_certificate_info; 2911 } else { 2912 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 2913 smallIconId = android.R.drawable.stat_sys_warning; 2914 } 2915 2916 final int numberOfCertificates = pendingCertificates.size(); 2917 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 2918 dialogIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 2919 dialogIntent.setPackage("com.android.settings"); 2920 dialogIntent.putExtra(Settings.EXTRA_NUMBER_OF_CERTIFICATES, numberOfCertificates); 2921 dialogIntent.putExtra(Intent.EXTRA_USER_ID, userHandle.getIdentifier()); 2922 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 2923 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, 2924 new UserHandle(parentUserId)); 2925 2926 final Context userContext; 2927 try { 2928 final String packageName = mContext.getPackageName(); 2929 userContext = mContext.createPackageContextAsUser(packageName, 0, userHandle); 2930 } catch (PackageManager.NameNotFoundException e) { 2931 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 2932 return; 2933 } 2934 final Notification noti = new Notification.Builder(userContext) 2935 .setSmallIcon(smallIconId) 2936 .setContentTitle(mContext.getResources().getQuantityText( 2937 R.plurals.ssl_ca_cert_warning, numberOfCertificates)) 2938 .setContentText(contentText) 2939 .setContentIntent(notifyIntent) 2940 .setPriority(Notification.PRIORITY_HIGH) 2941 .setShowWhen(false) 2942 .setColor(mContext.getColor( 2943 com.android.internal.R.color.system_notification_accent_color)) 2944 .build(); 2945 2946 mInjector.getNotificationManager().notifyAsUser( 2947 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 2948 } 2949 2950 private List<String> getInstalledCaCertificates(UserHandle userHandle) 2951 throws RemoteException, RuntimeException { 2952 KeyChainConnection conn = null; 2953 try { 2954 conn = KeyChain.bindAsUser(mContext, userHandle); 2955 List<ParcelableString> aliases = conn.getService().getUserCaAliases().getList(); 2956 List<String> result = new ArrayList<>(aliases.size()); 2957 for (int i = 0; i < aliases.size(); i++) { 2958 result.add(aliases.get(i).string); 2959 } 2960 return result; 2961 } catch (InterruptedException e) { 2962 Thread.currentThread().interrupt(); 2963 return null; 2964 } catch (AssertionError e) { 2965 throw new RuntimeException(e); 2966 } finally { 2967 if (conn != null) { 2968 conn.close(); 2969 } 2970 } 2971 } 2972 } 2973 2974 /** 2975 * @param adminReceiver The admin to add 2976 * @param refreshing true = update an active admin, no error 2977 */ 2978 @Override 2979 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 2980 if (!mHasFeature) { 2981 return; 2982 } 2983 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 2984 } 2985 2986 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 2987 Bundle onEnableData) { 2988 mContext.enforceCallingOrSelfPermission( 2989 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2990 enforceFullCrossUsersPermission(userHandle); 2991 2992 DevicePolicyData policy = getUserData(userHandle); 2993 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 2994 /* throwForMissionPermission= */ true); 2995 if (info == null) { 2996 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 2997 } 2998 if (!info.getActivityInfo().applicationInfo.isInternal()) { 2999 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 3000 + adminReceiver); 3001 } 3002 synchronized (this) { 3003 long ident = mInjector.binderClearCallingIdentity(); 3004 try { 3005 final ActiveAdmin existingAdmin 3006 = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3007 if (!refreshing && existingAdmin != null) { 3008 throw new IllegalArgumentException("Admin is already added"); 3009 } 3010 if (policy.mRemovingAdmins.contains(adminReceiver)) { 3011 throw new IllegalArgumentException( 3012 "Trying to set an admin which is being removed"); 3013 } 3014 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 3015 newAdmin.testOnlyAdmin = 3016 (existingAdmin != null) ? existingAdmin.testOnlyAdmin 3017 : isPackageTestOnly(adminReceiver.getPackageName(), userHandle); 3018 policy.mAdminMap.put(adminReceiver, newAdmin); 3019 int replaceIndex = -1; 3020 final int N = policy.mAdminList.size(); 3021 for (int i=0; i < N; i++) { 3022 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 3023 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 3024 replaceIndex = i; 3025 break; 3026 } 3027 } 3028 if (replaceIndex == -1) { 3029 policy.mAdminList.add(newAdmin); 3030 enableIfNecessary(info.getPackageName(), userHandle); 3031 } else { 3032 policy.mAdminList.set(replaceIndex, newAdmin); 3033 } 3034 saveSettingsLocked(userHandle); 3035 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 3036 onEnableData, null); 3037 } finally { 3038 mInjector.binderRestoreCallingIdentity(ident); 3039 } 3040 } 3041 } 3042 3043 @Override 3044 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 3045 if (!mHasFeature) { 3046 return false; 3047 } 3048 enforceFullCrossUsersPermission(userHandle); 3049 synchronized (this) { 3050 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 3051 } 3052 } 3053 3054 @Override 3055 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 3056 if (!mHasFeature) { 3057 return false; 3058 } 3059 enforceFullCrossUsersPermission(userHandle); 3060 synchronized (this) { 3061 DevicePolicyData policyData = getUserData(userHandle); 3062 return policyData.mRemovingAdmins.contains(adminReceiver); 3063 } 3064 } 3065 3066 @Override 3067 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 3068 if (!mHasFeature) { 3069 return false; 3070 } 3071 enforceFullCrossUsersPermission(userHandle); 3072 synchronized (this) { 3073 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3074 if (administrator == null) { 3075 throw new SecurityException("No active admin " + adminReceiver); 3076 } 3077 return administrator.info.usesPolicy(policyId); 3078 } 3079 } 3080 3081 @Override 3082 @SuppressWarnings("unchecked") 3083 public List<ComponentName> getActiveAdmins(int userHandle) { 3084 if (!mHasFeature) { 3085 return Collections.EMPTY_LIST; 3086 } 3087 3088 enforceFullCrossUsersPermission(userHandle); 3089 synchronized (this) { 3090 DevicePolicyData policy = getUserData(userHandle); 3091 final int N = policy.mAdminList.size(); 3092 if (N <= 0) { 3093 return null; 3094 } 3095 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 3096 for (int i=0; i<N; i++) { 3097 res.add(policy.mAdminList.get(i).info.getComponent()); 3098 } 3099 return res; 3100 } 3101 } 3102 3103 @Override 3104 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 3105 if (!mHasFeature) { 3106 return false; 3107 } 3108 enforceFullCrossUsersPermission(userHandle); 3109 synchronized (this) { 3110 DevicePolicyData policy = getUserData(userHandle); 3111 final int N = policy.mAdminList.size(); 3112 for (int i=0; i<N; i++) { 3113 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 3114 return true; 3115 } 3116 } 3117 return false; 3118 } 3119 } 3120 3121 public void forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { 3122 if (!mHasFeature) { 3123 return; 3124 } 3125 Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); 3126 enforceShell("forceRemoveActiveAdmin"); 3127 long ident = mInjector.binderClearCallingIdentity(); 3128 try { 3129 synchronized (this) { 3130 if (!isAdminTestOnlyLocked(adminReceiver, userHandle)) { 3131 throw new SecurityException("Attempt to remove non-test admin " 3132 + adminReceiver + " " + userHandle); 3133 } 3134 3135 // If admin is a device or profile owner tidy that up first. 3136 if (isDeviceOwner(adminReceiver, userHandle)) { 3137 clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); 3138 clearDeviceOwnerUserRestrictionLocked(UserHandle.of(userHandle)); 3139 } 3140 if (isProfileOwner(adminReceiver, userHandle)) { 3141 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, 3142 userHandle, /* parent */ false); 3143 clearProfileOwnerLocked(admin, userHandle); 3144 } 3145 } 3146 // Remove the admin skipping sending the broadcast. 3147 removeAdminArtifacts(adminReceiver, userHandle); 3148 Slog.i(LOG_TAG, "Admin " + adminReceiver + " removed from user " + userHandle); 3149 } finally { 3150 mInjector.binderRestoreCallingIdentity(ident); 3151 } 3152 } 3153 3154 // It's temporary solution to clear DISALLOW_ADD_USER after CTS 3155 // TODO: b/31952368 when the restriction is moved from system to the device owner, 3156 // it can be removed. 3157 private void clearDeviceOwnerUserRestrictionLocked(UserHandle userHandle) { 3158 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_USER, userHandle)) { 3159 mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_USER, false, userHandle); 3160 } 3161 } 3162 3163 /** 3164 * Return if a given package has testOnly="true", in which case we'll relax certain rules 3165 * for CTS. 3166 * 3167 * DO NOT use this method except in {@link #setActiveAdmin}. Use {@link #isAdminTestOnlyLocked} 3168 * to check wehter an active admin is test-only or not. 3169 * 3170 * The system allows this flag to be changed when an app is updated, which is not good 3171 * for us. So we persist the flag in {@link ActiveAdmin} when an admin is first installed, 3172 * and used the persisted version in actual checks. (See b/31382361 and b/28928996) 3173 */ 3174 private boolean isPackageTestOnly(String packageName, int userHandle) { 3175 final ApplicationInfo ai; 3176 try { 3177 ai = mIPackageManager.getApplicationInfo(packageName, 3178 (PackageManager.MATCH_DIRECT_BOOT_AWARE 3179 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE), userHandle); 3180 } catch (RemoteException e) { 3181 throw new IllegalStateException(e); 3182 } 3183 if (ai == null) { 3184 throw new IllegalStateException("Couldn't find package: " 3185 + packageName + " on user " + userHandle); 3186 } 3187 return (ai.flags & ApplicationInfo.FLAG_TEST_ONLY) != 0; 3188 } 3189 3190 /** 3191 * See {@link #isPackageTestOnly}. 3192 */ 3193 private boolean isAdminTestOnlyLocked(ComponentName who, int userHandle) { 3194 final ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3195 return (admin != null) && admin.testOnlyAdmin; 3196 } 3197 3198 private void enforceShell(String method) { 3199 final int callingUid = Binder.getCallingUid(); 3200 if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { 3201 throw new SecurityException("Non-shell user attempted to call " + method); 3202 } 3203 } 3204 3205 @Override 3206 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 3207 if (!mHasFeature) { 3208 return; 3209 } 3210 enforceFullCrossUsersPermission(userHandle); 3211 enforceUserUnlocked(userHandle); 3212 synchronized (this) { 3213 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3214 if (admin == null) { 3215 return; 3216 } 3217 // Active device/profile owners must remain active admins. 3218 if (isDeviceOwner(adminReceiver, userHandle) 3219 || isProfileOwner(adminReceiver, userHandle)) { 3220 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 3221 adminReceiver); 3222 return; 3223 } 3224 if (admin.getUid() != mInjector.binderGetCallingUid()) { 3225 mContext.enforceCallingOrSelfPermission( 3226 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3227 } 3228 long ident = mInjector.binderClearCallingIdentity(); 3229 try { 3230 removeActiveAdminLocked(adminReceiver, userHandle); 3231 } finally { 3232 mInjector.binderRestoreCallingIdentity(ident); 3233 } 3234 } 3235 } 3236 3237 @Override 3238 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 3239 ComponentName profileOwner = getProfileOwner(userHandle); 3240 // Profile challenge is supported on N or newer release. 3241 return profileOwner != null && 3242 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 3243 } 3244 3245 @Override 3246 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 3247 if (!mHasFeature) { 3248 return; 3249 } 3250 Preconditions.checkNotNull(who, "ComponentName is null"); 3251 validateQualityConstant(quality); 3252 3253 synchronized (this) { 3254 ActiveAdmin ap = getActiveAdminForCallerLocked( 3255 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3256 if (ap.minimumPasswordMetrics.quality != quality) { 3257 ap.minimumPasswordMetrics.quality = quality; 3258 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3259 } 3260 } 3261 } 3262 3263 @Override 3264 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 3265 if (!mHasFeature) { 3266 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3267 } 3268 enforceFullCrossUsersPermission(userHandle); 3269 synchronized (this) { 3270 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3271 3272 if (who != null) { 3273 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3274 return admin != null ? admin.minimumPasswordMetrics.quality : mode; 3275 } 3276 3277 // Return the strictest policy across all participating admins. 3278 List<ActiveAdmin> admins = 3279 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3280 final int N = admins.size(); 3281 for (int i = 0; i < N; i++) { 3282 ActiveAdmin admin = admins.get(i); 3283 if (mode < admin.minimumPasswordMetrics.quality) { 3284 mode = admin.minimumPasswordMetrics.quality; 3285 } 3286 } 3287 return mode; 3288 } 3289 } 3290 3291 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 3292 int userHandle, boolean parent) { 3293 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 3294 // If this user has a separate challenge, only return its restrictions. 3295 return getUserDataUnchecked(userHandle).mAdminList; 3296 } else { 3297 // Return all admins for this user and the profiles that are visible from this 3298 // user that do not use a separate work challenge. 3299 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 3300 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3301 DevicePolicyData policy = getUserData(userInfo.id); 3302 if (!userInfo.isManagedProfile()) { 3303 admins.addAll(policy.mAdminList); 3304 } else { 3305 // For managed profiles, we always include the policies set on the parent 3306 // profile. Additionally, we include the ones set on the managed profile 3307 // if no separate challenge is in place. 3308 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 3309 final int N = policy.mAdminList.size(); 3310 for (int i = 0; i < N; i++) { 3311 ActiveAdmin admin = policy.mAdminList.get(i); 3312 if (admin.hasParentActiveAdmin()) { 3313 admins.add(admin.getParentActiveAdmin()); 3314 } 3315 if (!hasSeparateChallenge) { 3316 admins.add(admin); 3317 } 3318 } 3319 } 3320 } 3321 return admins; 3322 } 3323 } 3324 3325 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 3326 long ident = mInjector.binderClearCallingIdentity(); 3327 try { 3328 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 3329 } finally { 3330 mInjector.binderRestoreCallingIdentity(ident); 3331 } 3332 } 3333 3334 @Override 3335 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 3336 if (!mHasFeature) { 3337 return; 3338 } 3339 Preconditions.checkNotNull(who, "ComponentName is null"); 3340 synchronized (this) { 3341 ActiveAdmin ap = getActiveAdminForCallerLocked( 3342 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3343 if (ap.minimumPasswordMetrics.length != length) { 3344 ap.minimumPasswordMetrics.length = length; 3345 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3346 } 3347 } 3348 } 3349 3350 @Override 3351 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 3352 if (!mHasFeature) { 3353 return 0; 3354 } 3355 enforceFullCrossUsersPermission(userHandle); 3356 synchronized (this) { 3357 int length = 0; 3358 3359 if (who != null) { 3360 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3361 return admin != null ? admin.minimumPasswordMetrics.length : length; 3362 } 3363 3364 // Return the strictest policy across all participating admins. 3365 List<ActiveAdmin> admins = 3366 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3367 final int N = admins.size(); 3368 for (int i = 0; i < N; i++) { 3369 ActiveAdmin admin = admins.get(i); 3370 if (length < admin.minimumPasswordMetrics.length) { 3371 length = admin.minimumPasswordMetrics.length; 3372 } 3373 } 3374 return length; 3375 } 3376 } 3377 3378 @Override 3379 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3380 if (!mHasFeature) { 3381 return; 3382 } 3383 Preconditions.checkNotNull(who, "ComponentName is null"); 3384 synchronized (this) { 3385 ActiveAdmin ap = getActiveAdminForCallerLocked( 3386 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3387 if (ap.passwordHistoryLength != length) { 3388 ap.passwordHistoryLength = length; 3389 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3390 } 3391 } 3392 } 3393 3394 @Override 3395 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3396 if (!mHasFeature) { 3397 return 0; 3398 } 3399 enforceFullCrossUsersPermission(userHandle); 3400 synchronized (this) { 3401 int length = 0; 3402 3403 if (who != null) { 3404 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3405 return admin != null ? admin.passwordHistoryLength : length; 3406 } 3407 3408 // Return the strictest policy across all participating admins. 3409 List<ActiveAdmin> admins = 3410 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3411 final int N = admins.size(); 3412 for (int i = 0; i < N; i++) { 3413 ActiveAdmin admin = admins.get(i); 3414 if (length < admin.passwordHistoryLength) { 3415 length = admin.passwordHistoryLength; 3416 } 3417 } 3418 3419 return length; 3420 } 3421 } 3422 3423 @Override 3424 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3425 if (!mHasFeature) { 3426 return; 3427 } 3428 Preconditions.checkNotNull(who, "ComponentName is null"); 3429 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3430 final int userHandle = mInjector.userHandleGetCallingUserId(); 3431 synchronized (this) { 3432 ActiveAdmin ap = getActiveAdminForCallerLocked( 3433 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3434 // Calling this API automatically bumps the expiration date 3435 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3436 ap.passwordExpirationDate = expiration; 3437 ap.passwordExpirationTimeout = timeout; 3438 if (timeout > 0L) { 3439 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3440 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3441 .format(new Date(expiration))); 3442 } 3443 saveSettingsLocked(userHandle); 3444 3445 // in case this is the first one, set the alarm on the appropriate user. 3446 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3447 } 3448 } 3449 3450 /** 3451 * Return a single admin's expiration cycle time, or the min of all cycle times. 3452 * Returns 0 if not configured. 3453 */ 3454 @Override 3455 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3456 if (!mHasFeature) { 3457 return 0L; 3458 } 3459 enforceFullCrossUsersPermission(userHandle); 3460 synchronized (this) { 3461 long timeout = 0L; 3462 3463 if (who != null) { 3464 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3465 return admin != null ? admin.passwordExpirationTimeout : timeout; 3466 } 3467 3468 // Return the strictest policy across all participating admins. 3469 List<ActiveAdmin> admins = 3470 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3471 final int N = admins.size(); 3472 for (int i = 0; i < N; i++) { 3473 ActiveAdmin admin = admins.get(i); 3474 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3475 && timeout > admin.passwordExpirationTimeout)) { 3476 timeout = admin.passwordExpirationTimeout; 3477 } 3478 } 3479 return timeout; 3480 } 3481 } 3482 3483 @Override 3484 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3485 final int userId = UserHandle.getCallingUserId(); 3486 List<String> changedProviders = null; 3487 3488 synchronized (this) { 3489 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3490 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3491 if (activeAdmin.crossProfileWidgetProviders == null) { 3492 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3493 } 3494 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3495 if (!providers.contains(packageName)) { 3496 providers.add(packageName); 3497 changedProviders = new ArrayList<>(providers); 3498 saveSettingsLocked(userId); 3499 } 3500 } 3501 3502 if (changedProviders != null) { 3503 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3504 return true; 3505 } 3506 3507 return false; 3508 } 3509 3510 @Override 3511 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3512 final int userId = UserHandle.getCallingUserId(); 3513 List<String> changedProviders = null; 3514 3515 synchronized (this) { 3516 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3517 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3518 if (activeAdmin.crossProfileWidgetProviders == null 3519 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3520 return false; 3521 } 3522 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3523 if (providers.remove(packageName)) { 3524 changedProviders = new ArrayList<>(providers); 3525 saveSettingsLocked(userId); 3526 } 3527 } 3528 3529 if (changedProviders != null) { 3530 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3531 return true; 3532 } 3533 3534 return false; 3535 } 3536 3537 @Override 3538 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3539 synchronized (this) { 3540 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3541 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3542 if (activeAdmin.crossProfileWidgetProviders == null 3543 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3544 return null; 3545 } 3546 if (mInjector.binderIsCallingUidMyUid()) { 3547 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3548 } else { 3549 return activeAdmin.crossProfileWidgetProviders; 3550 } 3551 } 3552 } 3553 3554 /** 3555 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3556 * Returns 0 if not configured. 3557 */ 3558 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3559 long timeout = 0L; 3560 3561 if (who != null) { 3562 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3563 return admin != null ? admin.passwordExpirationDate : timeout; 3564 } 3565 3566 // Return the strictest policy across all participating admins. 3567 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3568 final int N = admins.size(); 3569 for (int i = 0; i < N; i++) { 3570 ActiveAdmin admin = admins.get(i); 3571 if (timeout == 0L || (admin.passwordExpirationDate != 0 3572 && timeout > admin.passwordExpirationDate)) { 3573 timeout = admin.passwordExpirationDate; 3574 } 3575 } 3576 return timeout; 3577 } 3578 3579 @Override 3580 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3581 if (!mHasFeature) { 3582 return 0L; 3583 } 3584 enforceFullCrossUsersPermission(userHandle); 3585 synchronized (this) { 3586 return getPasswordExpirationLocked(who, userHandle, parent); 3587 } 3588 } 3589 3590 @Override 3591 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3592 if (!mHasFeature) { 3593 return; 3594 } 3595 Preconditions.checkNotNull(who, "ComponentName is null"); 3596 synchronized (this) { 3597 ActiveAdmin ap = getActiveAdminForCallerLocked( 3598 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3599 if (ap.minimumPasswordMetrics.upperCase != length) { 3600 ap.minimumPasswordMetrics.upperCase = length; 3601 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3602 } 3603 } 3604 } 3605 3606 @Override 3607 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3608 if (!mHasFeature) { 3609 return 0; 3610 } 3611 enforceFullCrossUsersPermission(userHandle); 3612 synchronized (this) { 3613 int length = 0; 3614 3615 if (who != null) { 3616 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3617 return admin != null ? admin.minimumPasswordMetrics.upperCase : length; 3618 } 3619 3620 // Return the strictest policy across all participating admins. 3621 List<ActiveAdmin> admins = 3622 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3623 final int N = admins.size(); 3624 for (int i = 0; i < N; i++) { 3625 ActiveAdmin admin = admins.get(i); 3626 if (length < admin.minimumPasswordMetrics.upperCase) { 3627 length = admin.minimumPasswordMetrics.upperCase; 3628 } 3629 } 3630 return length; 3631 } 3632 } 3633 3634 @Override 3635 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3636 Preconditions.checkNotNull(who, "ComponentName is null"); 3637 synchronized (this) { 3638 ActiveAdmin ap = getActiveAdminForCallerLocked( 3639 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3640 if (ap.minimumPasswordMetrics.lowerCase != length) { 3641 ap.minimumPasswordMetrics.lowerCase = length; 3642 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3643 } 3644 } 3645 } 3646 3647 @Override 3648 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3649 if (!mHasFeature) { 3650 return 0; 3651 } 3652 enforceFullCrossUsersPermission(userHandle); 3653 synchronized (this) { 3654 int length = 0; 3655 3656 if (who != null) { 3657 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3658 return admin != null ? admin.minimumPasswordMetrics.lowerCase : length; 3659 } 3660 3661 // Return the strictest policy across all participating admins. 3662 List<ActiveAdmin> admins = 3663 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3664 final int N = admins.size(); 3665 for (int i = 0; i < N; i++) { 3666 ActiveAdmin admin = admins.get(i); 3667 if (length < admin.minimumPasswordMetrics.lowerCase) { 3668 length = admin.minimumPasswordMetrics.lowerCase; 3669 } 3670 } 3671 return length; 3672 } 3673 } 3674 3675 @Override 3676 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3677 if (!mHasFeature) { 3678 return; 3679 } 3680 Preconditions.checkNotNull(who, "ComponentName is null"); 3681 synchronized (this) { 3682 ActiveAdmin ap = getActiveAdminForCallerLocked( 3683 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3684 if (ap.minimumPasswordMetrics.letters != length) { 3685 ap.minimumPasswordMetrics.letters = length; 3686 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3687 } 3688 } 3689 } 3690 3691 @Override 3692 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3693 if (!mHasFeature) { 3694 return 0; 3695 } 3696 enforceFullCrossUsersPermission(userHandle); 3697 synchronized (this) { 3698 int length = 0; 3699 3700 if (who != null) { 3701 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3702 return admin != null ? admin.minimumPasswordMetrics.letters : length; 3703 } 3704 3705 // Return the strictest policy across all participating admins. 3706 List<ActiveAdmin> admins = 3707 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3708 final int N = admins.size(); 3709 for (int i = 0; i < N; i++) { 3710 ActiveAdmin admin = admins.get(i); 3711 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3712 continue; 3713 } 3714 if (length < admin.minimumPasswordMetrics.letters) { 3715 length = admin.minimumPasswordMetrics.letters; 3716 } 3717 } 3718 return length; 3719 } 3720 } 3721 3722 @Override 3723 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3724 if (!mHasFeature) { 3725 return; 3726 } 3727 Preconditions.checkNotNull(who, "ComponentName is null"); 3728 synchronized (this) { 3729 ActiveAdmin ap = getActiveAdminForCallerLocked( 3730 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3731 if (ap.minimumPasswordMetrics.numeric != length) { 3732 ap.minimumPasswordMetrics.numeric = length; 3733 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3734 } 3735 } 3736 } 3737 3738 @Override 3739 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3740 if (!mHasFeature) { 3741 return 0; 3742 } 3743 enforceFullCrossUsersPermission(userHandle); 3744 synchronized (this) { 3745 int length = 0; 3746 3747 if (who != null) { 3748 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3749 return admin != null ? admin.minimumPasswordMetrics.numeric : length; 3750 } 3751 3752 // Return the strictest policy across all participating admins. 3753 List<ActiveAdmin> admins = 3754 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3755 final int N = admins.size(); 3756 for (int i = 0; i < N; i++) { 3757 ActiveAdmin admin = admins.get(i); 3758 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3759 continue; 3760 } 3761 if (length < admin.minimumPasswordMetrics.numeric) { 3762 length = admin.minimumPasswordMetrics.numeric; 3763 } 3764 } 3765 return length; 3766 } 3767 } 3768 3769 @Override 3770 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3771 if (!mHasFeature) { 3772 return; 3773 } 3774 Preconditions.checkNotNull(who, "ComponentName is null"); 3775 synchronized (this) { 3776 ActiveAdmin ap = getActiveAdminForCallerLocked( 3777 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3778 if (ap.minimumPasswordMetrics.symbols != length) { 3779 ap.minimumPasswordMetrics.symbols = length; 3780 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3781 } 3782 } 3783 } 3784 3785 @Override 3786 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3787 if (!mHasFeature) { 3788 return 0; 3789 } 3790 enforceFullCrossUsersPermission(userHandle); 3791 synchronized (this) { 3792 int length = 0; 3793 3794 if (who != null) { 3795 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3796 return admin != null ? admin.minimumPasswordMetrics.symbols : length; 3797 } 3798 3799 // Return the strictest policy across all participating admins. 3800 List<ActiveAdmin> admins = 3801 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3802 final int N = admins.size(); 3803 for (int i = 0; i < N; i++) { 3804 ActiveAdmin admin = admins.get(i); 3805 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3806 continue; 3807 } 3808 if (length < admin.minimumPasswordMetrics.symbols) { 3809 length = admin.minimumPasswordMetrics.symbols; 3810 } 3811 } 3812 return length; 3813 } 3814 } 3815 3816 @Override 3817 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 3818 if (!mHasFeature) { 3819 return; 3820 } 3821 Preconditions.checkNotNull(who, "ComponentName is null"); 3822 synchronized (this) { 3823 ActiveAdmin ap = getActiveAdminForCallerLocked( 3824 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3825 if (ap.minimumPasswordMetrics.nonLetter != length) { 3826 ap.minimumPasswordMetrics.nonLetter = length; 3827 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3828 } 3829 } 3830 } 3831 3832 @Override 3833 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 3834 if (!mHasFeature) { 3835 return 0; 3836 } 3837 enforceFullCrossUsersPermission(userHandle); 3838 synchronized (this) { 3839 int length = 0; 3840 3841 if (who != null) { 3842 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3843 return admin != null ? admin.minimumPasswordMetrics.nonLetter : length; 3844 } 3845 3846 // Return the strictest policy across all participating admins. 3847 List<ActiveAdmin> admins = 3848 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3849 final int N = admins.size(); 3850 for (int i = 0; i < N; i++) { 3851 ActiveAdmin admin = admins.get(i); 3852 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3853 continue; 3854 } 3855 if (length < admin.minimumPasswordMetrics.nonLetter) { 3856 length = admin.minimumPasswordMetrics.nonLetter; 3857 } 3858 } 3859 return length; 3860 } 3861 } 3862 3863 @Override 3864 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3865 if (!mHasFeature) { 3866 return true; 3867 } 3868 enforceFullCrossUsersPermission(userHandle); 3869 3870 synchronized (this) { 3871 // This API can only be called by an active device admin, 3872 // so try to retrieve it to check that the caller is one. 3873 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3874 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3875 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 3876 } 3877 } 3878 3879 @Override 3880 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 3881 if (!mHasFeature) { 3882 return true; 3883 } 3884 enforceFullCrossUsersPermission(userHandle); 3885 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 3886 3887 synchronized (this) { 3888 int targetUser = getProfileParentId(userHandle); 3889 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 3890 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 3891 } 3892 } 3893 3894 private boolean isActivePasswordSufficientForUserLocked( 3895 DevicePolicyData policy, int userHandle, boolean parent) { 3896 enforceUserUnlocked(userHandle, parent); 3897 3898 final int requiredPasswordQuality = getPasswordQuality(null, userHandle, parent); 3899 if (policy.mActivePasswordMetrics.quality < requiredPasswordQuality) { 3900 return false; 3901 } 3902 if (requiredPasswordQuality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC 3903 && policy.mActivePasswordMetrics.length < getPasswordMinimumLength( 3904 null, userHandle, parent)) { 3905 return false; 3906 } 3907 if (requiredPasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3908 return true; 3909 } 3910 return policy.mActivePasswordMetrics.upperCase >= getPasswordMinimumUpperCase( 3911 null, userHandle, parent) 3912 && policy.mActivePasswordMetrics.lowerCase >= getPasswordMinimumLowerCase( 3913 null, userHandle, parent) 3914 && policy.mActivePasswordMetrics.letters >= getPasswordMinimumLetters( 3915 null, userHandle, parent) 3916 && policy.mActivePasswordMetrics.numeric >= getPasswordMinimumNumeric( 3917 null, userHandle, parent) 3918 && policy.mActivePasswordMetrics.symbols >= getPasswordMinimumSymbols( 3919 null, userHandle, parent) 3920 && policy.mActivePasswordMetrics.nonLetter >= getPasswordMinimumNonLetter( 3921 null, userHandle, parent); 3922 } 3923 3924 @Override 3925 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 3926 enforceFullCrossUsersPermission(userHandle); 3927 synchronized (this) { 3928 if (!isCallerWithSystemUid()) { 3929 // This API can only be called by an active device admin, 3930 // so try to retrieve it to check that the caller is one. 3931 getActiveAdminForCallerLocked( 3932 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3933 } 3934 3935 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3936 3937 return policy.mFailedPasswordAttempts; 3938 } 3939 } 3940 3941 @Override 3942 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 3943 if (!mHasFeature) { 3944 return; 3945 } 3946 Preconditions.checkNotNull(who, "ComponentName is null"); 3947 synchronized (this) { 3948 // This API can only be called by an active device admin, 3949 // so try to retrieve it to check that the caller is one. 3950 getActiveAdminForCallerLocked( 3951 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 3952 ActiveAdmin ap = getActiveAdminForCallerLocked( 3953 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 3954 if (ap.maximumFailedPasswordsForWipe != num) { 3955 ap.maximumFailedPasswordsForWipe = num; 3956 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3957 } 3958 } 3959 } 3960 3961 @Override 3962 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 3963 if (!mHasFeature) { 3964 return 0; 3965 } 3966 enforceFullCrossUsersPermission(userHandle); 3967 synchronized (this) { 3968 ActiveAdmin admin = (who != null) 3969 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 3970 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 3971 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 3972 } 3973 } 3974 3975 @Override 3976 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 3977 if (!mHasFeature) { 3978 return UserHandle.USER_NULL; 3979 } 3980 enforceFullCrossUsersPermission(userHandle); 3981 synchronized (this) { 3982 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 3983 userHandle, parent); 3984 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 3985 } 3986 } 3987 3988 /** 3989 * Returns the admin with the strictest policy on maximum failed passwords for: 3990 * <ul> 3991 * <li>this user if it has a separate profile challenge, or 3992 * <li>this user and all profiles that don't have their own challenge otherwise. 3993 * </ul> 3994 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 3995 * the primary profile. 3996 * Returns {@code null} if no participating admin has that policy set. 3997 */ 3998 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 3999 int userHandle, boolean parent) { 4000 int count = 0; 4001 ActiveAdmin strictestAdmin = null; 4002 4003 // Return the strictest policy across all participating admins. 4004 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 4005 final int N = admins.size(); 4006 for (int i = 0; i < N; i++) { 4007 ActiveAdmin admin = admins.get(i); 4008 if (admin.maximumFailedPasswordsForWipe == 4009 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 4010 continue; // No max number of failed passwords policy set for this profile. 4011 } 4012 4013 // We always favor the primary profile if several profiles have the same value set. 4014 int userId = admin.getUserHandle().getIdentifier(); 4015 if (count == 0 || 4016 count > admin.maximumFailedPasswordsForWipe || 4017 (count == admin.maximumFailedPasswordsForWipe && 4018 getUserInfo(userId).isPrimary())) { 4019 count = admin.maximumFailedPasswordsForWipe; 4020 strictestAdmin = admin; 4021 } 4022 } 4023 return strictestAdmin; 4024 } 4025 4026 private UserInfo getUserInfo(@UserIdInt int userId) { 4027 final long token = mInjector.binderClearCallingIdentity(); 4028 try { 4029 return mUserManager.getUserInfo(userId); 4030 } finally { 4031 mInjector.binderRestoreCallingIdentity(token); 4032 } 4033 } 4034 4035 @Override 4036 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 4037 if (!mHasFeature) { 4038 return false; 4039 } 4040 final int callingUid = mInjector.binderGetCallingUid(); 4041 final int userHandle = mInjector.userHandleGetCallingUserId(); 4042 4043 String password = passwordOrNull != null ? passwordOrNull : ""; 4044 4045 // Password resetting to empty/null is not allowed for managed profiles. 4046 if (TextUtils.isEmpty(password)) { 4047 enforceNotManagedProfile(userHandle, "clear the active password"); 4048 } 4049 4050 int quality; 4051 synchronized (this) { 4052 // If caller has PO (or DO) it can change the password, so see if that's the case first. 4053 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 4054 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 4055 final boolean preN; 4056 if (admin != null) { 4057 preN = getTargetSdk(admin.info.getPackageName(), 4058 userHandle) <= android.os.Build.VERSION_CODES.M; 4059 } else { 4060 // Otherwise, make sure the caller has any active admin with the right policy. 4061 admin = getActiveAdminForCallerLocked(null, 4062 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 4063 preN = getTargetSdk(admin.info.getPackageName(), 4064 userHandle) <= android.os.Build.VERSION_CODES.M; 4065 4066 // As of N, password resetting to empty/null is not allowed anymore. 4067 // TODO Should we allow DO/PO to set an empty password? 4068 if (TextUtils.isEmpty(password)) { 4069 if (!preN) { 4070 throw new SecurityException("Cannot call with null password"); 4071 } else { 4072 Slog.e(LOG_TAG, "Cannot call with null password"); 4073 return false; 4074 } 4075 } 4076 // As of N, password cannot be changed by the admin if it is already set. 4077 if (isLockScreenSecureUnchecked(userHandle)) { 4078 if (!preN) { 4079 throw new SecurityException("Admin cannot change current password"); 4080 } else { 4081 Slog.e(LOG_TAG, "Admin cannot change current password"); 4082 return false; 4083 } 4084 } 4085 } 4086 // Do not allow to reset password when current user has a managed profile 4087 if (!isManagedProfile(userHandle)) { 4088 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4089 if (userInfo.isManagedProfile()) { 4090 if (!preN) { 4091 throw new IllegalStateException( 4092 "Cannot reset password on user has managed profile"); 4093 } else { 4094 Slog.e(LOG_TAG, "Cannot reset password on user has managed profile"); 4095 return false; 4096 } 4097 } 4098 } 4099 } 4100 // Do not allow to reset password when user is locked 4101 if (!mUserManager.isUserUnlocked(userHandle)) { 4102 if (!preN) { 4103 throw new IllegalStateException("Cannot reset password when user is locked"); 4104 } else { 4105 Slog.e(LOG_TAG, "Cannot reset password when user is locked"); 4106 return false; 4107 } 4108 } 4109 4110 quality = getPasswordQuality(null, userHandle, /* parent */ false); 4111 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 4112 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 4113 } 4114 final PasswordMetrics metrics = PasswordMetrics.computeForPassword(password); 4115 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 4116 final int realQuality = metrics.quality; 4117 if (realQuality < quality 4118 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4119 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 4120 + Integer.toHexString(realQuality) 4121 + " does not meet required quality 0x" 4122 + Integer.toHexString(quality)); 4123 return false; 4124 } 4125 quality = Math.max(realQuality, quality); 4126 } 4127 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 4128 if (password.length() < length) { 4129 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 4130 + " does not meet required length " + length); 4131 return false; 4132 } 4133 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4134 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 4135 if(metrics.letters < neededLetters) { 4136 Slog.w(LOG_TAG, "resetPassword: number of letters " + metrics.letters 4137 + " does not meet required number of letters " + neededLetters); 4138 return false; 4139 } 4140 int neededNumeric = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 4141 if (metrics.numeric < neededNumeric) { 4142 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + metrics.numeric 4143 + " does not meet required number of numerical digits " 4144 + neededNumeric); 4145 return false; 4146 } 4147 int neededLowerCase = getPasswordMinimumLowerCase( 4148 null, userHandle, /* parent */ false); 4149 if (metrics.lowerCase < neededLowerCase) { 4150 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " 4151 + metrics.lowerCase 4152 + " does not meet required number of lowercase letters " 4153 + neededLowerCase); 4154 return false; 4155 } 4156 int neededUpperCase = getPasswordMinimumUpperCase( 4157 null, userHandle, /* parent */ false); 4158 if (metrics.upperCase < neededUpperCase) { 4159 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " 4160 + metrics.upperCase 4161 + " does not meet required number of uppercase letters " 4162 + neededUpperCase); 4163 return false; 4164 } 4165 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 4166 if (metrics.symbols < neededSymbols) { 4167 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + metrics.symbols 4168 + " does not meet required number of special symbols " + neededSymbols); 4169 return false; 4170 } 4171 int neededNonLetter = getPasswordMinimumNonLetter( 4172 null, userHandle, /* parent */ false); 4173 if (metrics.nonLetter < neededNonLetter) { 4174 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " 4175 + metrics.nonLetter 4176 + " does not meet required number of non-letter characters " 4177 + neededNonLetter); 4178 return false; 4179 } 4180 } 4181 } 4182 4183 DevicePolicyData policy = getUserData(userHandle); 4184 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 4185 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 4186 return false; 4187 } 4188 4189 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 4190 boolean doNotAskCredentialsOnBoot = 4191 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 4192 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 4193 setDoNotAskCredentialsOnBoot(); 4194 } 4195 4196 // Don't do this with the lock held, because it is going to call 4197 // back in to the service. 4198 final long ident = mInjector.binderClearCallingIdentity(); 4199 try { 4200 if (!TextUtils.isEmpty(password)) { 4201 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 4202 } else { 4203 mLockPatternUtils.clearLock(userHandle); 4204 } 4205 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 4206 if (requireEntry) { 4207 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 4208 UserHandle.USER_ALL); 4209 } 4210 synchronized (this) { 4211 int newOwner = requireEntry ? callingUid : -1; 4212 if (policy.mPasswordOwner != newOwner) { 4213 policy.mPasswordOwner = newOwner; 4214 saveSettingsLocked(userHandle); 4215 } 4216 } 4217 } finally { 4218 mInjector.binderRestoreCallingIdentity(ident); 4219 } 4220 4221 return true; 4222 } 4223 4224 private boolean isLockScreenSecureUnchecked(int userId) { 4225 long ident = mInjector.binderClearCallingIdentity(); 4226 try { 4227 return mLockPatternUtils.isSecure(userId); 4228 } finally { 4229 mInjector.binderRestoreCallingIdentity(ident); 4230 } 4231 } 4232 4233 private void setDoNotAskCredentialsOnBoot() { 4234 synchronized (this) { 4235 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4236 if (!policyData.doNotAskCredentialsOnBoot) { 4237 policyData.doNotAskCredentialsOnBoot = true; 4238 saveSettingsLocked(UserHandle.USER_SYSTEM); 4239 } 4240 } 4241 } 4242 4243 @Override 4244 public boolean getDoNotAskCredentialsOnBoot() { 4245 mContext.enforceCallingOrSelfPermission( 4246 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 4247 synchronized (this) { 4248 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4249 return policyData.doNotAskCredentialsOnBoot; 4250 } 4251 } 4252 4253 @Override 4254 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 4255 if (!mHasFeature) { 4256 return; 4257 } 4258 Preconditions.checkNotNull(who, "ComponentName is null"); 4259 final int userHandle = mInjector.userHandleGetCallingUserId(); 4260 synchronized (this) { 4261 ActiveAdmin ap = getActiveAdminForCallerLocked( 4262 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4263 if (ap.maximumTimeToUnlock != timeMs) { 4264 ap.maximumTimeToUnlock = timeMs; 4265 saveSettingsLocked(userHandle); 4266 updateMaximumTimeToLockLocked(userHandle); 4267 } 4268 } 4269 } 4270 4271 void updateMaximumTimeToLockLocked(int userHandle) { 4272 // Calculate the min timeout for all profiles - including the ones with a separate 4273 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 4274 // challenge only and keep the screen on. However there is no easy way of doing that at the 4275 // moment so we set the screen off timeout regardless of whether it affects the parent user 4276 // or the profile challenge only. 4277 long timeMs = Long.MAX_VALUE; 4278 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 4279 for (int profileId : profileIds) { 4280 DevicePolicyData policy = getUserDataUnchecked(profileId); 4281 final int N = policy.mAdminList.size(); 4282 for (int i = 0; i < N; i++) { 4283 ActiveAdmin admin = policy.mAdminList.get(i); 4284 if (admin.maximumTimeToUnlock > 0 4285 && timeMs > admin.maximumTimeToUnlock) { 4286 timeMs = admin.maximumTimeToUnlock; 4287 } 4288 // If userInfo.id is a managed profile, we also need to look at 4289 // the policies set on the parent. 4290 if (admin.hasParentActiveAdmin()) { 4291 final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); 4292 if (parentAdmin.maximumTimeToUnlock > 0 4293 && timeMs > parentAdmin.maximumTimeToUnlock) { 4294 timeMs = parentAdmin.maximumTimeToUnlock; 4295 } 4296 } 4297 } 4298 } 4299 4300 // We only store the last maximum time to lock on the parent profile. So if calling from a 4301 // managed profile, retrieve the policy for the parent. 4302 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 4303 if (policy.mLastMaximumTimeToLock == timeMs) { 4304 return; 4305 } 4306 policy.mLastMaximumTimeToLock = timeMs; 4307 4308 final long ident = mInjector.binderClearCallingIdentity(); 4309 try { 4310 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 4311 // Make sure KEEP_SCREEN_ON is disabled, since that 4312 // would allow bypassing of the maximum time to lock. 4313 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 4314 } 4315 4316 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 4317 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 4318 } finally { 4319 mInjector.binderRestoreCallingIdentity(ident); 4320 } 4321 } 4322 4323 @Override 4324 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 4325 if (!mHasFeature) { 4326 return 0; 4327 } 4328 enforceFullCrossUsersPermission(userHandle); 4329 synchronized (this) { 4330 if (who != null) { 4331 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4332 return admin != null ? admin.maximumTimeToUnlock : 0; 4333 } 4334 // Return the strictest policy across all participating admins. 4335 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4336 userHandle, parent); 4337 return getMaximumTimeToLockPolicyFromAdmins(admins); 4338 } 4339 } 4340 4341 @Override 4342 public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { 4343 if (!mHasFeature) { 4344 return 0; 4345 } 4346 enforceFullCrossUsersPermission(userHandle); 4347 synchronized (this) { 4348 // All admins for this user. 4349 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 4350 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4351 DevicePolicyData policy = getUserData(userInfo.id); 4352 admins.addAll(policy.mAdminList); 4353 // If it is a managed profile, it may have parent active admins 4354 if (userInfo.isManagedProfile()) { 4355 for (ActiveAdmin admin : policy.mAdminList) { 4356 if (admin.hasParentActiveAdmin()) { 4357 admins.add(admin.getParentActiveAdmin()); 4358 } 4359 } 4360 } 4361 } 4362 return getMaximumTimeToLockPolicyFromAdmins(admins); 4363 } 4364 } 4365 4366 private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { 4367 long time = 0; 4368 final int N = admins.size(); 4369 for (int i = 0; i < N; i++) { 4370 ActiveAdmin admin = admins.get(i); 4371 if (time == 0) { 4372 time = admin.maximumTimeToUnlock; 4373 } else if (admin.maximumTimeToUnlock != 0 4374 && time > admin.maximumTimeToUnlock) { 4375 time = admin.maximumTimeToUnlock; 4376 } 4377 } 4378 return time; 4379 } 4380 4381 @Override 4382 public void setRequiredStrongAuthTimeout(ComponentName who, long timeoutMs, 4383 boolean parent) { 4384 if (!mHasFeature) { 4385 return; 4386 } 4387 Preconditions.checkNotNull(who, "ComponentName is null"); 4388 Preconditions.checkArgument(timeoutMs >= 0, "Timeout must not be a negative number."); 4389 // timeoutMs with value 0 means that the admin doesn't participate 4390 // timeoutMs is clamped to the interval in case the internal constants change in the future 4391 final long minimumStrongAuthTimeout = getMinimumStrongAuthTimeoutMs(); 4392 if (timeoutMs != 0 && timeoutMs < minimumStrongAuthTimeout) { 4393 timeoutMs = minimumStrongAuthTimeout; 4394 } 4395 if (timeoutMs > DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 4396 timeoutMs = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4397 } 4398 4399 final int userHandle = mInjector.userHandleGetCallingUserId(); 4400 synchronized (this) { 4401 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4402 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, parent); 4403 if (ap.strongAuthUnlockTimeout != timeoutMs) { 4404 ap.strongAuthUnlockTimeout = timeoutMs; 4405 saveSettingsLocked(userHandle); 4406 } 4407 } 4408 } 4409 4410 /** 4411 * Return a single admin's strong auth unlock timeout or minimum value (strictest) of all 4412 * admins if who is null. 4413 * Returns 0 if not configured for the provided admin. 4414 */ 4415 @Override 4416 public long getRequiredStrongAuthTimeout(ComponentName who, int userId, boolean parent) { 4417 if (!mHasFeature) { 4418 return DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4419 } 4420 enforceFullCrossUsersPermission(userId); 4421 synchronized (this) { 4422 if (who != null) { 4423 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userId, parent); 4424 return admin != null ? admin.strongAuthUnlockTimeout : 0; 4425 } 4426 4427 // Return the strictest policy across all participating admins. 4428 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userId, parent); 4429 4430 long strongAuthUnlockTimeout = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4431 for (int i = 0; i < admins.size(); i++) { 4432 final long timeout = admins.get(i).strongAuthUnlockTimeout; 4433 if (timeout != 0) { // take only participating admins into account 4434 strongAuthUnlockTimeout = Math.min(timeout, strongAuthUnlockTimeout); 4435 } 4436 } 4437 return Math.max(strongAuthUnlockTimeout, getMinimumStrongAuthTimeoutMs()); 4438 } 4439 } 4440 4441 private long getMinimumStrongAuthTimeoutMs() { 4442 if (!mInjector.isBuildDebuggable()) { 4443 return MINIMUM_STRONG_AUTH_TIMEOUT_MS; 4444 } 4445 // ideally the property was named persist.sys.min_strong_auth_timeout, but system property 4446 // name cannot be longer than 31 characters 4447 return Math.min(mInjector.systemPropertiesGetLong("persist.sys.min_str_auth_timeo", 4448 MINIMUM_STRONG_AUTH_TIMEOUT_MS), 4449 MINIMUM_STRONG_AUTH_TIMEOUT_MS); 4450 } 4451 4452 @Override 4453 public void lockNow(int flags, boolean parent) { 4454 if (!mHasFeature) { 4455 return; 4456 } 4457 4458 final int callingUserId = mInjector.userHandleGetCallingUserId(); 4459 synchronized (this) { 4460 // This API can only be called by an active device admin, 4461 // so try to retrieve it to check that the caller is one. 4462 final ActiveAdmin admin = getActiveAdminForCallerLocked( 4463 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4464 4465 final long ident = mInjector.binderClearCallingIdentity(); 4466 try { 4467 // Evict key 4468 if ((flags & DevicePolicyManager.FLAG_EVICT_CE_KEY) != 0) { 4469 enforceManagedProfile(callingUserId, "set FLAG_EVICT_CE_KEY"); 4470 if (!isProfileOwner(admin.info.getComponent(), callingUserId)) { 4471 throw new SecurityException( 4472 "Only profile owner admins can set FLAG_EVICT_CE_KEY"); 4473 } 4474 if (parent) { 4475 throw new IllegalArgumentException( 4476 "Cannot set FLAG_EVICT_CE_KEY for the parent"); 4477 } 4478 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 4479 throw new UnsupportedOperationException( 4480 "FLAG_EVICT_CE_KEY only applies to FBE devices"); 4481 } 4482 mUserManager.evictCredentialEncryptionKey(callingUserId); 4483 } 4484 4485 // Lock all users unless this is a managed profile with a separate challenge 4486 final int userToLock = (parent || !isSeparateProfileChallengeEnabled(callingUserId) 4487 ? UserHandle.USER_ALL : callingUserId); 4488 mLockPatternUtils.requireStrongAuth( 4489 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 4490 4491 // Require authentication for the device or profile 4492 if (userToLock == UserHandle.USER_ALL) { 4493 // Power off the display 4494 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 4495 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 4496 mInjector.getIWindowManager().lockNow(null); 4497 } else { 4498 mInjector.getTrustManager().setDeviceLockedForUser(userToLock, true); 4499 } 4500 } catch (RemoteException e) { 4501 } finally { 4502 mInjector.binderRestoreCallingIdentity(ident); 4503 } 4504 } 4505 } 4506 4507 @Override 4508 public void enforceCanManageCaCerts(ComponentName who) { 4509 if (who == null) { 4510 if (!isCallerDelegatedCertInstaller()) { 4511 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4512 } 4513 } else { 4514 synchronized (this) { 4515 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4516 } 4517 } 4518 } 4519 4520 private void enforceCanManageInstalledKeys(ComponentName who) { 4521 if (who == null) { 4522 if (!isCallerDelegatedCertInstaller()) { 4523 throw new SecurityException("who == null, but caller is not cert installer"); 4524 } 4525 } else { 4526 synchronized (this) { 4527 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4528 } 4529 } 4530 } 4531 4532 private boolean isCallerDelegatedCertInstaller() { 4533 final int callingUid = mInjector.binderGetCallingUid(); 4534 final int userHandle = UserHandle.getUserId(callingUid); 4535 synchronized (this) { 4536 final DevicePolicyData policy = getUserData(userHandle); 4537 if (policy.mDelegatedCertInstallerPackage == null) { 4538 return false; 4539 } 4540 4541 try { 4542 int uid = mInjector.getPackageManager().getPackageUidAsUser( 4543 policy.mDelegatedCertInstallerPackage, userHandle); 4544 return uid == callingUid; 4545 } catch (NameNotFoundException e) { 4546 return false; 4547 } 4548 } 4549 } 4550 4551 @Override 4552 public boolean approveCaCert(String alias, int userId, boolean approval) { 4553 enforceManageUsers(); 4554 synchronized (this) { 4555 Set<String> certs = getUserData(userId).mAcceptedCaCertificates; 4556 boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); 4557 if (!changed) { 4558 return false; 4559 } 4560 saveSettingsLocked(userId); 4561 } 4562 new MonitoringCertNotificationTask().execute(userId); 4563 return true; 4564 } 4565 4566 @Override 4567 public boolean isCaCertApproved(String alias, int userId) { 4568 enforceManageUsers(); 4569 synchronized (this) { 4570 return getUserData(userId).mAcceptedCaCertificates.contains(alias); 4571 } 4572 } 4573 4574 private void removeCaApprovalsIfNeeded(int userId) { 4575 for (UserInfo userInfo : mUserManager.getProfiles(userId)) { 4576 boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); 4577 if (userInfo.isManagedProfile()){ 4578 isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); 4579 } 4580 if (!isSecure) { 4581 synchronized (this) { 4582 getUserData(userInfo.id).mAcceptedCaCertificates.clear(); 4583 saveSettingsLocked(userInfo.id); 4584 } 4585 4586 new MonitoringCertNotificationTask().execute(userInfo.id); 4587 } 4588 } 4589 } 4590 4591 @Override 4592 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 4593 enforceCanManageCaCerts(admin); 4594 4595 byte[] pemCert; 4596 try { 4597 X509Certificate cert = parseCert(certBuffer); 4598 pemCert = Credentials.convertToPem(cert); 4599 } catch (CertificateException ce) { 4600 Log.e(LOG_TAG, "Problem converting cert", ce); 4601 return false; 4602 } catch (IOException ioe) { 4603 Log.e(LOG_TAG, "Problem reading cert", ioe); 4604 return false; 4605 } 4606 4607 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4608 final long id = mInjector.binderClearCallingIdentity(); 4609 try { 4610 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4611 try { 4612 keyChainConnection.getService().installCaCertificate(pemCert); 4613 return true; 4614 } catch (RemoteException e) { 4615 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 4616 } finally { 4617 keyChainConnection.close(); 4618 } 4619 } catch (InterruptedException e1) { 4620 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 4621 Thread.currentThread().interrupt(); 4622 } finally { 4623 mInjector.binderRestoreCallingIdentity(id); 4624 } 4625 return false; 4626 } 4627 4628 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 4629 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 4630 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 4631 certBuffer)); 4632 } 4633 4634 @Override 4635 public void uninstallCaCerts(ComponentName admin, String[] aliases) { 4636 enforceCanManageCaCerts(admin); 4637 4638 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4639 final long id = mInjector.binderClearCallingIdentity(); 4640 try { 4641 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4642 try { 4643 for (int i = 0 ; i < aliases.length; i++) { 4644 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 4645 } 4646 } catch (RemoteException e) { 4647 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 4648 } finally { 4649 keyChainConnection.close(); 4650 } 4651 } catch (InterruptedException ie) { 4652 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 4653 Thread.currentThread().interrupt(); 4654 } finally { 4655 mInjector.binderRestoreCallingIdentity(id); 4656 } 4657 } 4658 4659 @Override 4660 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, byte[] chain, 4661 String alias, boolean requestAccess) { 4662 enforceCanManageInstalledKeys(who); 4663 4664 final int callingUid = mInjector.binderGetCallingUid(); 4665 final long id = mInjector.binderClearCallingIdentity(); 4666 try { 4667 final KeyChainConnection keyChainConnection = 4668 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4669 try { 4670 IKeyChainService keyChain = keyChainConnection.getService(); 4671 if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { 4672 return false; 4673 } 4674 if (requestAccess) { 4675 keyChain.setGrant(callingUid, alias, true); 4676 } 4677 return true; 4678 } catch (RemoteException e) { 4679 Log.e(LOG_TAG, "Installing certificate", e); 4680 } finally { 4681 keyChainConnection.close(); 4682 } 4683 } catch (InterruptedException e) { 4684 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4685 Thread.currentThread().interrupt(); 4686 } finally { 4687 mInjector.binderRestoreCallingIdentity(id); 4688 } 4689 return false; 4690 } 4691 4692 @Override 4693 public boolean removeKeyPair(ComponentName who, String alias) { 4694 enforceCanManageInstalledKeys(who); 4695 4696 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4697 final long id = Binder.clearCallingIdentity(); 4698 try { 4699 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4700 try { 4701 IKeyChainService keyChain = keyChainConnection.getService(); 4702 return keyChain.removeKeyPair(alias); 4703 } catch (RemoteException e) { 4704 Log.e(LOG_TAG, "Removing keypair", e); 4705 } finally { 4706 keyChainConnection.close(); 4707 } 4708 } catch (InterruptedException e) { 4709 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4710 Thread.currentThread().interrupt(); 4711 } finally { 4712 Binder.restoreCallingIdentity(id); 4713 } 4714 return false; 4715 } 4716 4717 @Override 4718 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4719 final IBinder response) { 4720 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4721 if (!isCallerWithSystemUid()) { 4722 return; 4723 } 4724 4725 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4726 // If there is a profile owner, redirect to that; otherwise query the device owner. 4727 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4728 if (aliasChooser == null && caller.isSystem()) { 4729 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4730 if (deviceOwnerAdmin != null) { 4731 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4732 } 4733 } 4734 if (aliasChooser == null) { 4735 sendPrivateKeyAliasResponse(null, response); 4736 return; 4737 } 4738 4739 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4740 intent.setComponent(aliasChooser); 4741 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4742 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4743 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4744 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4745 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4746 4747 final long id = mInjector.binderClearCallingIdentity(); 4748 try { 4749 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4750 @Override 4751 public void onReceive(Context context, Intent intent) { 4752 final String chosenAlias = getResultData(); 4753 sendPrivateKeyAliasResponse(chosenAlias, response); 4754 } 4755 }, null, Activity.RESULT_OK, null, null); 4756 } finally { 4757 mInjector.binderRestoreCallingIdentity(id); 4758 } 4759 } 4760 4761 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4762 final IKeyChainAliasCallback keyChainAliasResponse = 4763 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4764 new AsyncTask<Void, Void, Void>() { 4765 @Override 4766 protected Void doInBackground(Void... unused) { 4767 try { 4768 keyChainAliasResponse.alias(alias); 4769 } catch (Exception e) { 4770 // Catch everything (not just RemoteException): caller could throw a 4771 // RuntimeException back across processes. 4772 Log.e(LOG_TAG, "error while responding to callback", e); 4773 } 4774 return null; 4775 } 4776 }.execute(); 4777 } 4778 4779 @Override 4780 public void setCertInstallerPackage(ComponentName who, String installerPackage) 4781 throws SecurityException { 4782 int userHandle = UserHandle.getCallingUserId(); 4783 synchronized (this) { 4784 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4785 if (getTargetSdk(who.getPackageName(), userHandle) >= Build.VERSION_CODES.N) { 4786 if (installerPackage != null && 4787 !isPackageInstalledForUser(installerPackage, userHandle)) { 4788 throw new IllegalArgumentException("Package " + installerPackage 4789 + " is not installed on the current user"); 4790 } 4791 } 4792 DevicePolicyData policy = getUserData(userHandle); 4793 policy.mDelegatedCertInstallerPackage = installerPackage; 4794 saveSettingsLocked(userHandle); 4795 } 4796 } 4797 4798 @Override 4799 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 4800 int userHandle = UserHandle.getCallingUserId(); 4801 synchronized (this) { 4802 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4803 DevicePolicyData policy = getUserData(userHandle); 4804 return policy.mDelegatedCertInstallerPackage; 4805 } 4806 } 4807 4808 /** 4809 * @return {@code true} if the package is installed and set as always-on, {@code false} if it is 4810 * not installed and therefore not available. 4811 * 4812 * @throws SecurityException if the caller is not a profile or device owner. 4813 * @throws UnsupportedOperationException if the package does not support being set as always-on. 4814 */ 4815 @Override 4816 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) 4817 throws SecurityException { 4818 synchronized (this) { 4819 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4820 } 4821 4822 final int userId = mInjector.userHandleGetCallingUserId(); 4823 final long token = mInjector.binderClearCallingIdentity(); 4824 try { 4825 if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { 4826 return false; 4827 } 4828 ConnectivityManager connectivityManager = (ConnectivityManager) 4829 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4830 if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { 4831 throw new UnsupportedOperationException(); 4832 } 4833 } finally { 4834 mInjector.binderRestoreCallingIdentity(token); 4835 } 4836 return true; 4837 } 4838 4839 @Override 4840 public String getAlwaysOnVpnPackage(ComponentName admin) 4841 throws SecurityException { 4842 synchronized (this) { 4843 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4844 } 4845 4846 final int userId = mInjector.userHandleGetCallingUserId(); 4847 final long token = mInjector.binderClearCallingIdentity(); 4848 try{ 4849 ConnectivityManager connectivityManager = (ConnectivityManager) 4850 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 4851 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 4852 } finally { 4853 mInjector.binderRestoreCallingIdentity(token); 4854 } 4855 } 4856 4857 private void wipeDataNoLock(boolean wipeExtRequested, String reason, boolean force) { 4858 wtfIfInLock(); 4859 4860 if (wipeExtRequested) { 4861 StorageManager sm = (StorageManager) mContext.getSystemService( 4862 Context.STORAGE_SERVICE); 4863 sm.wipeAdoptableDisks(); 4864 } 4865 try { 4866 RecoverySystem.rebootWipeUserData(mContext, false /* shutdown */, reason, force); 4867 } catch (IOException | SecurityException e) { 4868 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 4869 } 4870 } 4871 4872 @Override 4873 public void wipeData(int flags) { 4874 if (!mHasFeature) { 4875 return; 4876 } 4877 final int userHandle = mInjector.userHandleGetCallingUserId(); 4878 enforceFullCrossUsersPermission(userHandle); 4879 4880 final String source; 4881 synchronized (this) { 4882 // This API can only be called by an active device admin, 4883 // so try to retrieve it to check that the caller is one. 4884 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 4885 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 4886 source = admin.info.getComponent().flattenToShortString(); 4887 4888 long ident = mInjector.binderClearCallingIdentity(); 4889 try { 4890 final String restriction; 4891 if (userHandle == UserHandle.USER_SYSTEM) { 4892 restriction = UserManager.DISALLOW_FACTORY_RESET; 4893 } else if (isManagedProfile(userHandle)) { 4894 restriction = UserManager.DISALLOW_REMOVE_MANAGED_PROFILE; 4895 } else { 4896 restriction = UserManager.DISALLOW_REMOVE_USER; 4897 } 4898 if (isAdminAffectedByRestriction( 4899 admin.info.getComponent(), restriction, userHandle)) { 4900 throw new SecurityException("Cannot wipe data. " + restriction 4901 + " restriction is set for user " + userHandle); 4902 } 4903 4904 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 4905 if (!isDeviceOwner(admin.info.getComponent(), userHandle)) { 4906 throw new SecurityException( 4907 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 4908 } 4909 PersistentDataBlockManager manager = (PersistentDataBlockManager) 4910 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 4911 if (manager != null) { 4912 manager.wipe(); 4913 } 4914 } 4915 4916 } finally { 4917 mInjector.binderRestoreCallingIdentity(ident); 4918 } 4919 } 4920 final boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 4921 wipeDeviceNoLock(wipeExtRequested, userHandle, 4922 "DevicePolicyManager.wipeData() from " + source, /*force=*/ true); 4923 } 4924 4925 private void wipeDeviceNoLock( 4926 boolean wipeExtRequested, final int userHandle, String reason, boolean force) { 4927 wtfIfInLock(); 4928 4929 long ident = mInjector.binderClearCallingIdentity(); 4930 try { 4931 // TODO If split user is enabled and the device owner is set in the primary user (rather 4932 // than system), we should probably trigger factory reset. Current code just remove 4933 // that user (but still clears FRP...) 4934 if (userHandle == UserHandle.USER_SYSTEM) { 4935 wipeDataNoLock(wipeExtRequested, reason, force); 4936 } else { 4937 try { 4938 IActivityManager am = mInjector.getIActivityManager(); 4939 if (am.getCurrentUser().id == userHandle) { 4940 am.switchUser(UserHandle.USER_SYSTEM); 4941 } 4942 4943 boolean userRemoved = force 4944 ? mUserManagerInternal.removeUserEvenWhenDisallowed(userHandle) 4945 : mUserManager.removeUser(userHandle); 4946 if (!userRemoved) { 4947 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 4948 } else if (isManagedProfile(userHandle)) { 4949 sendWipeProfileNotification(); 4950 } 4951 } catch (RemoteException re) { 4952 // Shouldn't happen 4953 } 4954 } 4955 } finally { 4956 mInjector.binderRestoreCallingIdentity(ident); 4957 } 4958 } 4959 4960 private void sendWipeProfileNotification() { 4961 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 4962 Notification notification = new Notification.Builder(mContext) 4963 .setSmallIcon(android.R.drawable.stat_sys_warning) 4964 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 4965 .setContentText(contentText) 4966 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 4967 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 4968 .build(); 4969 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 4970 } 4971 4972 private void clearWipeProfileNotification() { 4973 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 4974 } 4975 4976 @Override 4977 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 4978 if (!mHasFeature) { 4979 return; 4980 } 4981 enforceFullCrossUsersPermission(userHandle); 4982 mContext.enforceCallingOrSelfPermission( 4983 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 4984 4985 synchronized (this) { 4986 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 4987 if (admin == null) { 4988 result.sendResult(null); 4989 return; 4990 } 4991 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 4992 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4993 intent.setComponent(admin.info.getComponent()); 4994 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 4995 null, new BroadcastReceiver() { 4996 @Override 4997 public void onReceive(Context context, Intent intent) { 4998 result.sendResult(getResultExtras(false)); 4999 } 5000 }, null, Activity.RESULT_OK, null, null); 5001 } 5002 } 5003 5004 @Override 5005 public void setActivePasswordState(PasswordMetrics metrics, int userHandle) { 5006 if (!mHasFeature) { 5007 return; 5008 } 5009 enforceFullCrossUsersPermission(userHandle); 5010 mContext.enforceCallingOrSelfPermission( 5011 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5012 5013 // If the managed profile doesn't have a separate password, set the metrics to default 5014 if (isManagedProfile(userHandle) && !isSeparateProfileChallengeEnabled(userHandle)) { 5015 metrics = new PasswordMetrics(); 5016 } 5017 5018 validateQualityConstant(metrics.quality); 5019 DevicePolicyData policy = getUserData(userHandle); 5020 synchronized (this) { 5021 policy.mActivePasswordMetrics = metrics; 5022 } 5023 } 5024 5025 @Override 5026 public void reportPasswordChanged(@UserIdInt int userId) { 5027 if (!mHasFeature) { 5028 return; 5029 } 5030 enforceFullCrossUsersPermission(userId); 5031 5032 // Managed Profile password can only be changed when it has a separate challenge. 5033 if (!isSeparateProfileChallengeEnabled(userId)) { 5034 enforceNotManagedProfile(userId, "set the active password"); 5035 } 5036 5037 mContext.enforceCallingOrSelfPermission( 5038 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5039 5040 DevicePolicyData policy = getUserData(userId); 5041 5042 long ident = mInjector.binderClearCallingIdentity(); 5043 try { 5044 synchronized (this) { 5045 policy.mFailedPasswordAttempts = 0; 5046 saveSettingsLocked(userId); 5047 updatePasswordExpirationsLocked(userId); 5048 setExpirationAlarmCheckLocked(mContext, userId, /* parent */ false); 5049 5050 // Send a broadcast to each profile using this password as its primary unlock. 5051 sendAdminCommandForLockscreenPoliciesLocked( 5052 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 5053 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userId); 5054 } 5055 removeCaApprovalsIfNeeded(userId); 5056 } finally { 5057 mInjector.binderRestoreCallingIdentity(ident); 5058 } 5059 } 5060 5061 /** 5062 * Called any time the device password is updated. Resets all password expiration clocks. 5063 */ 5064 private void updatePasswordExpirationsLocked(int userHandle) { 5065 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 5066 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 5067 userHandle, /* parent */ false); 5068 final int N = admins.size(); 5069 for (int i = 0; i < N; i++) { 5070 ActiveAdmin admin = admins.get(i); 5071 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 5072 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 5073 long timeout = admin.passwordExpirationTimeout; 5074 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 5075 admin.passwordExpirationDate = expiration; 5076 } 5077 } 5078 for (int affectedUserId : affectedUserIds) { 5079 saveSettingsLocked(affectedUserId); 5080 } 5081 } 5082 5083 @Override 5084 public void reportFailedPasswordAttempt(int userHandle) { 5085 enforceFullCrossUsersPermission(userHandle); 5086 if (!isSeparateProfileChallengeEnabled(userHandle)) { 5087 enforceNotManagedProfile(userHandle, 5088 "report failed password attempt if separate profile challenge is not in place"); 5089 } 5090 mContext.enforceCallingOrSelfPermission( 5091 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5092 5093 final long ident = mInjector.binderClearCallingIdentity(); 5094 try { 5095 boolean wipeData = false; 5096 int identifier = 0; 5097 synchronized (this) { 5098 DevicePolicyData policy = getUserData(userHandle); 5099 policy.mFailedPasswordAttempts++; 5100 saveSettingsLocked(userHandle); 5101 if (mHasFeature) { 5102 ActiveAdmin strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 5103 userHandle, /* parent */ false); 5104 int max = strictestAdmin != null 5105 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 5106 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 5107 // Wipe the user/profile associated with the policy that was violated. This 5108 // is not necessarily calling user: if the policy that fired was from a 5109 // managed profile rather than the main user profile, we wipe former only. 5110 wipeData = true; 5111 identifier = strictestAdmin.getUserHandle().getIdentifier(); 5112 } 5113 5114 sendAdminCommandForLockscreenPoliciesLocked( 5115 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 5116 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5117 } 5118 } 5119 if (wipeData) { 5120 // Call without holding lock. 5121 wipeDeviceNoLock(false, identifier, "reportFailedPasswordAttempt()", false); 5122 } 5123 } finally { 5124 mInjector.binderRestoreCallingIdentity(ident); 5125 } 5126 5127 if (mInjector.securityLogIsLoggingEnabled()) { 5128 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5129 /*method strength*/ 1); 5130 } 5131 } 5132 5133 @Override 5134 public void reportSuccessfulPasswordAttempt(int userHandle) { 5135 enforceFullCrossUsersPermission(userHandle); 5136 mContext.enforceCallingOrSelfPermission( 5137 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5138 5139 synchronized (this) { 5140 DevicePolicyData policy = getUserData(userHandle); 5141 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 5142 long ident = mInjector.binderClearCallingIdentity(); 5143 try { 5144 policy.mFailedPasswordAttempts = 0; 5145 policy.mPasswordOwner = -1; 5146 saveSettingsLocked(userHandle); 5147 if (mHasFeature) { 5148 sendAdminCommandForLockscreenPoliciesLocked( 5149 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 5150 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5151 } 5152 } finally { 5153 mInjector.binderRestoreCallingIdentity(ident); 5154 } 5155 } 5156 } 5157 5158 if (mInjector.securityLogIsLoggingEnabled()) { 5159 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5160 /*method strength*/ 1); 5161 } 5162 } 5163 5164 @Override 5165 public void reportFailedFingerprintAttempt(int userHandle) { 5166 enforceFullCrossUsersPermission(userHandle); 5167 mContext.enforceCallingOrSelfPermission( 5168 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5169 if (mInjector.securityLogIsLoggingEnabled()) { 5170 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5171 /*method strength*/ 0); 5172 } 5173 } 5174 5175 @Override 5176 public void reportSuccessfulFingerprintAttempt(int userHandle) { 5177 enforceFullCrossUsersPermission(userHandle); 5178 mContext.enforceCallingOrSelfPermission( 5179 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5180 if (mInjector.securityLogIsLoggingEnabled()) { 5181 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5182 /*method strength*/ 0); 5183 } 5184 } 5185 5186 @Override 5187 public void reportKeyguardDismissed(int userHandle) { 5188 enforceFullCrossUsersPermission(userHandle); 5189 mContext.enforceCallingOrSelfPermission( 5190 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5191 5192 if (mInjector.securityLogIsLoggingEnabled()) { 5193 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 5194 } 5195 } 5196 5197 @Override 5198 public void reportKeyguardSecured(int userHandle) { 5199 enforceFullCrossUsersPermission(userHandle); 5200 mContext.enforceCallingOrSelfPermission( 5201 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5202 5203 if (mInjector.securityLogIsLoggingEnabled()) { 5204 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 5205 } 5206 } 5207 5208 @Override 5209 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 5210 String exclusionList) { 5211 if (!mHasFeature) { 5212 return null; 5213 } 5214 synchronized(this) { 5215 Preconditions.checkNotNull(who, "ComponentName is null"); 5216 5217 // Only check if system user has set global proxy. We don't allow other users to set it. 5218 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5219 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5220 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 5221 5222 // Scan through active admins and find if anyone has already 5223 // set the global proxy. 5224 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 5225 for (ComponentName component : compSet) { 5226 ActiveAdmin ap = policy.mAdminMap.get(component); 5227 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 5228 // Another admin already sets the global proxy 5229 // Return it to the caller. 5230 return component; 5231 } 5232 } 5233 5234 // If the user is not system, don't set the global proxy. Fail silently. 5235 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 5236 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 5237 + UserHandle.getCallingUserId() + " is not permitted."); 5238 return null; 5239 } 5240 if (proxySpec == null) { 5241 admin.specifiesGlobalProxy = false; 5242 admin.globalProxySpec = null; 5243 admin.globalProxyExclusionList = null; 5244 } else { 5245 5246 admin.specifiesGlobalProxy = true; 5247 admin.globalProxySpec = proxySpec; 5248 admin.globalProxyExclusionList = exclusionList; 5249 } 5250 5251 // Reset the global proxy accordingly 5252 // Do this using system permissions, as apps cannot write to secure settings 5253 long origId = mInjector.binderClearCallingIdentity(); 5254 try { 5255 resetGlobalProxyLocked(policy); 5256 } finally { 5257 mInjector.binderRestoreCallingIdentity(origId); 5258 } 5259 return null; 5260 } 5261 } 5262 5263 @Override 5264 public ComponentName getGlobalProxyAdmin(int userHandle) { 5265 if (!mHasFeature) { 5266 return null; 5267 } 5268 enforceFullCrossUsersPermission(userHandle); 5269 synchronized(this) { 5270 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5271 // Scan through active admins and find if anyone has already 5272 // set the global proxy. 5273 final int N = policy.mAdminList.size(); 5274 for (int i = 0; i < N; i++) { 5275 ActiveAdmin ap = policy.mAdminList.get(i); 5276 if (ap.specifiesGlobalProxy) { 5277 // Device admin sets the global proxy 5278 // Return it to the caller. 5279 return ap.info.getComponent(); 5280 } 5281 } 5282 } 5283 // No device admin sets the global proxy. 5284 return null; 5285 } 5286 5287 @Override 5288 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 5289 synchronized (this) { 5290 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5291 } 5292 long token = mInjector.binderClearCallingIdentity(); 5293 try { 5294 ConnectivityManager connectivityManager = (ConnectivityManager) 5295 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5296 connectivityManager.setGlobalProxy(proxyInfo); 5297 } finally { 5298 mInjector.binderRestoreCallingIdentity(token); 5299 } 5300 } 5301 5302 private void resetGlobalProxyLocked(DevicePolicyData policy) { 5303 final int N = policy.mAdminList.size(); 5304 for (int i = 0; i < N; i++) { 5305 ActiveAdmin ap = policy.mAdminList.get(i); 5306 if (ap.specifiesGlobalProxy) { 5307 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 5308 return; 5309 } 5310 } 5311 // No device admins defining global proxies - reset global proxy settings to none 5312 saveGlobalProxyLocked(null, null); 5313 } 5314 5315 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 5316 if (exclusionList == null) { 5317 exclusionList = ""; 5318 } 5319 if (proxySpec == null) { 5320 proxySpec = ""; 5321 } 5322 // Remove white spaces 5323 proxySpec = proxySpec.trim(); 5324 String data[] = proxySpec.split(":"); 5325 int proxyPort = 8080; 5326 if (data.length > 1) { 5327 try { 5328 proxyPort = Integer.parseInt(data[1]); 5329 } catch (NumberFormatException e) {} 5330 } 5331 exclusionList = exclusionList.trim(); 5332 5333 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 5334 if (!proxyProperties.isValid()) { 5335 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 5336 return; 5337 } 5338 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 5339 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 5340 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 5341 exclusionList); 5342 } 5343 5344 /** 5345 * Set the storage encryption request for a single admin. Returns the new total request 5346 * status (for all admins). 5347 */ 5348 @Override 5349 public int setStorageEncryption(ComponentName who, boolean encrypt) { 5350 if (!mHasFeature) { 5351 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5352 } 5353 Preconditions.checkNotNull(who, "ComponentName is null"); 5354 final int userHandle = UserHandle.getCallingUserId(); 5355 synchronized (this) { 5356 // Check for permissions 5357 // Only system user can set storage encryption 5358 if (userHandle != UserHandle.USER_SYSTEM) { 5359 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 5360 + UserHandle.getCallingUserId() + " is not permitted."); 5361 return 0; 5362 } 5363 5364 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5365 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 5366 5367 // Quick exit: If the filesystem does not support encryption, we can exit early. 5368 if (!isEncryptionSupported()) { 5369 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5370 } 5371 5372 // (1) Record the value for the admin so it's sticky 5373 if (ap.encryptionRequested != encrypt) { 5374 ap.encryptionRequested = encrypt; 5375 saveSettingsLocked(userHandle); 5376 } 5377 5378 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5379 // (2) Compute "max" for all admins 5380 boolean newRequested = false; 5381 final int N = policy.mAdminList.size(); 5382 for (int i = 0; i < N; i++) { 5383 newRequested |= policy.mAdminList.get(i).encryptionRequested; 5384 } 5385 5386 // Notify OS of new request 5387 setEncryptionRequested(newRequested); 5388 5389 // Return the new global request status 5390 return newRequested 5391 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5392 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5393 } 5394 } 5395 5396 /** 5397 * Get the current storage encryption request status for a given admin, or aggregate of all 5398 * active admins. 5399 */ 5400 @Override 5401 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5402 if (!mHasFeature) { 5403 return false; 5404 } 5405 enforceFullCrossUsersPermission(userHandle); 5406 synchronized (this) { 5407 // Check for permissions if a particular caller is specified 5408 if (who != null) { 5409 // When checking for a single caller, status is based on caller's request 5410 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5411 return ap != null ? ap.encryptionRequested : false; 5412 } 5413 5414 // If no particular caller is specified, return the aggregate set of requests. 5415 // This is short circuited by returning true on the first hit. 5416 DevicePolicyData policy = getUserData(userHandle); 5417 final int N = policy.mAdminList.size(); 5418 for (int i = 0; i < N; i++) { 5419 if (policy.mAdminList.get(i).encryptionRequested) { 5420 return true; 5421 } 5422 } 5423 return false; 5424 } 5425 } 5426 5427 /** 5428 * Get the current encryption status of the device. 5429 */ 5430 @Override 5431 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5432 if (!mHasFeature) { 5433 // Ok to return current status. 5434 } 5435 enforceFullCrossUsersPermission(userHandle); 5436 5437 // It's not critical here, but let's make sure the package name is correct, in case 5438 // we start using it for different purposes. 5439 ensureCallerPackage(callerPackage); 5440 5441 final ApplicationInfo ai; 5442 try { 5443 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5444 } catch (RemoteException e) { 5445 throw new SecurityException(e); 5446 } 5447 5448 boolean legacyApp = false; 5449 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5450 legacyApp = true; 5451 } 5452 5453 final int rawStatus = getEncryptionStatus(); 5454 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5455 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5456 } 5457 return rawStatus; 5458 } 5459 5460 /** 5461 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5462 */ 5463 private boolean isEncryptionSupported() { 5464 // Note, this can be implemented as 5465 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5466 // But is provided as a separate internal method if there's a faster way to do a 5467 // simple check for supported-or-not. 5468 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5469 } 5470 5471 /** 5472 * Hook to low-levels: Reporting the current status of encryption. 5473 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5474 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5475 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5476 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5477 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5478 */ 5479 private int getEncryptionStatus() { 5480 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5481 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5482 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5483 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5484 } else if (mInjector.storageManagerIsEncrypted()) { 5485 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5486 } else if (mInjector.storageManagerIsEncryptable()) { 5487 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5488 } else { 5489 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5490 } 5491 } 5492 5493 /** 5494 * Hook to low-levels: If needed, record the new admin setting for encryption. 5495 */ 5496 private void setEncryptionRequested(boolean encrypt) { 5497 } 5498 5499 /** 5500 * Set whether the screen capture is disabled for the user managed by the specified admin. 5501 */ 5502 @Override 5503 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5504 if (!mHasFeature) { 5505 return; 5506 } 5507 Preconditions.checkNotNull(who, "ComponentName is null"); 5508 final int userHandle = UserHandle.getCallingUserId(); 5509 synchronized (this) { 5510 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5511 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5512 if (ap.disableScreenCapture != disabled) { 5513 ap.disableScreenCapture = disabled; 5514 saveSettingsLocked(userHandle); 5515 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5516 } 5517 } 5518 } 5519 5520 /** 5521 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5522 * active admin (if given admin is null). 5523 */ 5524 @Override 5525 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 5526 if (!mHasFeature) { 5527 return false; 5528 } 5529 synchronized (this) { 5530 if (who != null) { 5531 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5532 return (admin != null) ? admin.disableScreenCapture : false; 5533 } 5534 5535 DevicePolicyData policy = getUserData(userHandle); 5536 final int N = policy.mAdminList.size(); 5537 for (int i = 0; i < N; i++) { 5538 ActiveAdmin admin = policy.mAdminList.get(i); 5539 if (admin.disableScreenCapture) { 5540 return true; 5541 } 5542 } 5543 return false; 5544 } 5545 } 5546 5547 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 5548 final boolean disabled) { 5549 mHandler.post(new Runnable() { 5550 @Override 5551 public void run() { 5552 try { 5553 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 5554 } catch (RemoteException e) { 5555 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 5556 } 5557 } 5558 }); 5559 } 5560 5561 /** 5562 * Set whether auto time is required by the specified admin (must be device owner). 5563 */ 5564 @Override 5565 public void setAutoTimeRequired(ComponentName who, boolean required) { 5566 if (!mHasFeature) { 5567 return; 5568 } 5569 Preconditions.checkNotNull(who, "ComponentName is null"); 5570 final int userHandle = UserHandle.getCallingUserId(); 5571 synchronized (this) { 5572 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5573 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5574 if (admin.requireAutoTime != required) { 5575 admin.requireAutoTime = required; 5576 saveSettingsLocked(userHandle); 5577 } 5578 } 5579 5580 // Turn AUTO_TIME on in settings if it is required 5581 if (required) { 5582 long ident = mInjector.binderClearCallingIdentity(); 5583 try { 5584 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 5585 } finally { 5586 mInjector.binderRestoreCallingIdentity(ident); 5587 } 5588 } 5589 } 5590 5591 /** 5592 * Returns whether or not auto time is required by the device owner. 5593 */ 5594 @Override 5595 public boolean getAutoTimeRequired() { 5596 if (!mHasFeature) { 5597 return false; 5598 } 5599 synchronized (this) { 5600 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5601 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 5602 } 5603 } 5604 5605 @Override 5606 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 5607 if (!mHasFeature) { 5608 return; 5609 } 5610 Preconditions.checkNotNull(who, "ComponentName is null"); 5611 // Allow setting this policy to true only if there is a split system user. 5612 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 5613 throw new UnsupportedOperationException( 5614 "Cannot force ephemeral users on systems without split system user."); 5615 } 5616 boolean removeAllUsers = false; 5617 synchronized (this) { 5618 final ActiveAdmin deviceOwner = 5619 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5620 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 5621 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 5622 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 5623 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 5624 removeAllUsers = forceEphemeralUsers; 5625 } 5626 } 5627 if (removeAllUsers) { 5628 long identitity = mInjector.binderClearCallingIdentity(); 5629 try { 5630 mUserManagerInternal.removeAllUsers(); 5631 } finally { 5632 mInjector.binderRestoreCallingIdentity(identitity); 5633 } 5634 } 5635 } 5636 5637 @Override 5638 public boolean getForceEphemeralUsers(ComponentName who) { 5639 if (!mHasFeature) { 5640 return false; 5641 } 5642 Preconditions.checkNotNull(who, "ComponentName is null"); 5643 synchronized (this) { 5644 final ActiveAdmin deviceOwner = 5645 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5646 return deviceOwner.forceEphemeralUsers; 5647 } 5648 } 5649 5650 private boolean isDeviceOwnerManagedSingleUserDevice() { 5651 synchronized (this) { 5652 if (!mOwners.hasDeviceOwner()) { 5653 return false; 5654 } 5655 } 5656 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5657 try { 5658 if (mInjector.userManagerIsSplitSystemUser()) { 5659 // In split system user mode, only allow the case where the device owner is managing 5660 // the only non-system user of the device 5661 return (mUserManager.getUserCount() == 2 5662 && mOwners.getDeviceOwnerUserId() != UserHandle.USER_SYSTEM); 5663 } else { 5664 return mUserManager.getUserCount() == 1; 5665 } 5666 } finally { 5667 mInjector.binderRestoreCallingIdentity(callingIdentity); 5668 } 5669 } 5670 5671 private void ensureDeviceOwnerManagingSingleUser(ComponentName who) throws SecurityException { 5672 synchronized (this) { 5673 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5674 } 5675 if (!isDeviceOwnerManagedSingleUserDevice()) { 5676 throw new SecurityException( 5677 "There should only be one user, managed by Device Owner"); 5678 } 5679 } 5680 5681 @Override 5682 public boolean requestBugreport(ComponentName who) { 5683 if (!mHasFeature) { 5684 return false; 5685 } 5686 Preconditions.checkNotNull(who, "ComponentName is null"); 5687 ensureDeviceOwnerManagingSingleUser(who); 5688 5689 if (mRemoteBugreportServiceIsActive.get() 5690 || (getDeviceOwnerRemoteBugreportUri() != null)) { 5691 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 5692 return false; 5693 } 5694 5695 final long currentTime = System.currentTimeMillis(); 5696 synchronized (this) { 5697 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 5698 if (currentTime > policyData.mLastBugReportRequestTime) { 5699 policyData.mLastBugReportRequestTime = currentTime; 5700 saveSettingsLocked(UserHandle.USER_SYSTEM); 5701 } 5702 } 5703 5704 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5705 try { 5706 mInjector.getIActivityManager().requestBugReport( 5707 ActivityManager.BUGREPORT_OPTION_REMOTE); 5708 5709 mRemoteBugreportServiceIsActive.set(true); 5710 mRemoteBugreportSharingAccepted.set(false); 5711 registerRemoteBugreportReceivers(); 5712 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5713 RemoteBugreportUtils.buildNotification(mContext, 5714 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 5715 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 5716 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 5717 return true; 5718 } catch (RemoteException re) { 5719 // should never happen 5720 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 5721 return false; 5722 } finally { 5723 mInjector.binderRestoreCallingIdentity(callingIdentity); 5724 } 5725 } 5726 5727 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 5728 Intent intent = new Intent(action); 5729 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5730 if (extras != null) { 5731 intent.putExtras(extras); 5732 } 5733 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5734 } 5735 5736 private synchronized String getDeviceOwnerRemoteBugreportUri() { 5737 return mOwners.getDeviceOwnerRemoteBugreportUri(); 5738 } 5739 5740 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 5741 String bugreportHash) { 5742 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 5743 } 5744 5745 private void registerRemoteBugreportReceivers() { 5746 try { 5747 IntentFilter filterFinished = new IntentFilter( 5748 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 5749 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5750 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 5751 } catch (IntentFilter.MalformedMimeTypeException e) { 5752 // should never happen, as setting a constant 5753 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 5754 } 5755 IntentFilter filterConsent = new IntentFilter(); 5756 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 5757 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 5758 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 5759 } 5760 5761 private void onBugreportFinished(Intent intent) { 5762 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5763 mRemoteBugreportServiceIsActive.set(false); 5764 Uri bugreportUri = intent.getData(); 5765 String bugreportUriString = null; 5766 if (bugreportUri != null) { 5767 bugreportUriString = bugreportUri.toString(); 5768 } 5769 String bugreportHash = intent.getStringExtra( 5770 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 5771 if (mRemoteBugreportSharingAccepted.get()) { 5772 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5773 mInjector.getNotificationManager().cancel(LOG_TAG, 5774 RemoteBugreportUtils.NOTIFICATION_ID); 5775 } else { 5776 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 5777 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5778 RemoteBugreportUtils.buildNotification(mContext, 5779 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 5780 UserHandle.ALL); 5781 } 5782 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5783 } 5784 5785 private void onBugreportFailed() { 5786 mRemoteBugreportServiceIsActive.set(false); 5787 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5788 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5789 mRemoteBugreportSharingAccepted.set(false); 5790 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5791 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 5792 Bundle extras = new Bundle(); 5793 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5794 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 5795 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5796 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 5797 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5798 } 5799 5800 private void onBugreportSharingAccepted() { 5801 mRemoteBugreportSharingAccepted.set(true); 5802 String bugreportUriString = null; 5803 String bugreportHash = null; 5804 synchronized (this) { 5805 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 5806 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 5807 } 5808 if (bugreportUriString != null) { 5809 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 5810 } else if (mRemoteBugreportServiceIsActive.get()) { 5811 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 5812 RemoteBugreportUtils.buildNotification(mContext, 5813 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 5814 UserHandle.ALL); 5815 } 5816 } 5817 5818 private void onBugreportSharingDeclined() { 5819 if (mRemoteBugreportServiceIsActive.get()) { 5820 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 5821 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 5822 mRemoteBugreportServiceIsActive.set(false); 5823 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 5824 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 5825 } 5826 mRemoteBugreportSharingAccepted.set(false); 5827 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5828 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 5829 } 5830 5831 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 5832 String bugreportHash) { 5833 ParcelFileDescriptor pfd = null; 5834 try { 5835 if (bugreportUriString == null) { 5836 throw new FileNotFoundException(); 5837 } 5838 Uri bugreportUri = Uri.parse(bugreportUriString); 5839 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 5840 5841 synchronized (this) { 5842 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 5843 intent.setComponent(mOwners.getDeviceOwnerComponent()); 5844 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 5845 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 5846 mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), 5847 bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION); 5848 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 5849 } 5850 } catch (FileNotFoundException e) { 5851 Bundle extras = new Bundle(); 5852 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 5853 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 5854 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 5855 } finally { 5856 try { 5857 if (pfd != null) { 5858 pfd.close(); 5859 } 5860 } catch (IOException ex) { 5861 // Ignore 5862 } 5863 mRemoteBugreportSharingAccepted.set(false); 5864 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 5865 } 5866 } 5867 5868 /** 5869 * Disables all device cameras according to the specified admin. 5870 */ 5871 @Override 5872 public void setCameraDisabled(ComponentName who, boolean disabled) { 5873 if (!mHasFeature) { 5874 return; 5875 } 5876 Preconditions.checkNotNull(who, "ComponentName is null"); 5877 final int userHandle = mInjector.userHandleGetCallingUserId(); 5878 synchronized (this) { 5879 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5880 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 5881 if (ap.disableCamera != disabled) { 5882 ap.disableCamera = disabled; 5883 saveSettingsLocked(userHandle); 5884 } 5885 } 5886 // Tell the user manager that the restrictions have changed. 5887 pushUserRestrictions(userHandle); 5888 } 5889 5890 /** 5891 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 5892 * active admins. 5893 */ 5894 @Override 5895 public boolean getCameraDisabled(ComponentName who, int userHandle) { 5896 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 5897 } 5898 5899 private boolean getCameraDisabled(ComponentName who, int userHandle, 5900 boolean mergeDeviceOwnerRestriction) { 5901 if (!mHasFeature) { 5902 return false; 5903 } 5904 synchronized (this) { 5905 if (who != null) { 5906 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5907 return (admin != null) ? admin.disableCamera : false; 5908 } 5909 // First, see if DO has set it. If so, it's device-wide. 5910 if (mergeDeviceOwnerRestriction) { 5911 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5912 if (deviceOwner != null && deviceOwner.disableCamera) { 5913 return true; 5914 } 5915 } 5916 5917 // Then check each device admin on the user. 5918 DevicePolicyData policy = getUserData(userHandle); 5919 // Determine whether or not the device camera is disabled for any active admins. 5920 final int N = policy.mAdminList.size(); 5921 for (int i = 0; i < N; i++) { 5922 ActiveAdmin admin = policy.mAdminList.get(i); 5923 if (admin.disableCamera) { 5924 return true; 5925 } 5926 } 5927 return false; 5928 } 5929 } 5930 5931 @Override 5932 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 5933 if (!mHasFeature) { 5934 return; 5935 } 5936 Preconditions.checkNotNull(who, "ComponentName is null"); 5937 final int userHandle = mInjector.userHandleGetCallingUserId(); 5938 if (isManagedProfile(userHandle)) { 5939 if (parent) { 5940 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 5941 } else { 5942 which = which & PROFILE_KEYGUARD_FEATURES; 5943 } 5944 } 5945 synchronized (this) { 5946 ActiveAdmin ap = getActiveAdminForCallerLocked( 5947 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 5948 if (ap.disabledKeyguardFeatures != which) { 5949 ap.disabledKeyguardFeatures = which; 5950 saveSettingsLocked(userHandle); 5951 } 5952 } 5953 } 5954 5955 /** 5956 * Gets the disabled state for features in keyguard for the given admin, 5957 * or the aggregate of all active admins if who is null. 5958 */ 5959 @Override 5960 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 5961 if (!mHasFeature) { 5962 return 0; 5963 } 5964 enforceFullCrossUsersPermission(userHandle); 5965 final long ident = mInjector.binderClearCallingIdentity(); 5966 try { 5967 synchronized (this) { 5968 if (who != null) { 5969 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 5970 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 5971 } 5972 5973 final List<ActiveAdmin> admins; 5974 if (!parent && isManagedProfile(userHandle)) { 5975 // If we are being asked about a managed profile, just return keyguard features 5976 // disabled by admins in the profile. 5977 admins = getUserDataUnchecked(userHandle).mAdminList; 5978 } else { 5979 // Otherwise return those set by admins in the user and its profiles. 5980 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 5981 } 5982 5983 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 5984 final int N = admins.size(); 5985 for (int i = 0; i < N; i++) { 5986 ActiveAdmin admin = admins.get(i); 5987 int userId = admin.getUserHandle().getIdentifier(); 5988 boolean isRequestedUser = !parent && (userId == userHandle); 5989 if (isRequestedUser || !isManagedProfile(userId)) { 5990 // If we are being asked explicitly about this user 5991 // return all disabled features even if its a managed profile. 5992 which |= admin.disabledKeyguardFeatures; 5993 } else { 5994 // Otherwise a managed profile is only allowed to disable 5995 // some features on the parent user. 5996 which |= (admin.disabledKeyguardFeatures 5997 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 5998 } 5999 } 6000 return which; 6001 } 6002 } finally { 6003 mInjector.binderRestoreCallingIdentity(ident); 6004 } 6005 } 6006 6007 @Override 6008 public void setKeepUninstalledPackages(ComponentName who, List<String> packageList) { 6009 if (!mHasFeature) { 6010 return; 6011 } 6012 Preconditions.checkNotNull(who, "ComponentName is null"); 6013 Preconditions.checkNotNull(packageList, "packageList is null"); 6014 final int userHandle = UserHandle.getCallingUserId(); 6015 synchronized (this) { 6016 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6017 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6018 admin.keepUninstalledPackages = packageList; 6019 saveSettingsLocked(userHandle); 6020 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 6021 } 6022 } 6023 6024 @Override 6025 public List<String> getKeepUninstalledPackages(ComponentName who) { 6026 Preconditions.checkNotNull(who, "ComponentName is null"); 6027 if (!mHasFeature) { 6028 return null; 6029 } 6030 // TODO In split system user mode, allow apps on user 0 to query the list 6031 synchronized (this) { 6032 // Check if this is the device owner who is calling 6033 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6034 return getKeepUninstalledPackagesLocked(); 6035 } 6036 } 6037 6038 private List<String> getKeepUninstalledPackagesLocked() { 6039 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6040 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 6041 } 6042 6043 @Override 6044 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 6045 if (!mHasFeature) { 6046 return false; 6047 } 6048 if (admin == null 6049 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 6050 throw new IllegalArgumentException("Invalid component " + admin 6051 + " for device owner"); 6052 } 6053 final boolean hasIncompatibleAccountsOrNonAdb = 6054 hasIncompatibleAccountsOrNonAdbNoLock(userId, admin); 6055 synchronized (this) { 6056 enforceCanSetDeviceOwnerLocked(admin, userId, hasIncompatibleAccountsOrNonAdb); 6057 final ActiveAdmin activeAdmin = getActiveAdminUncheckedLocked(admin, userId); 6058 if (activeAdmin == null 6059 || getUserData(userId).mRemovingAdmins.contains(admin)) { 6060 throw new IllegalArgumentException("Not active admin: " + admin); 6061 } 6062 6063 // Shutting down backup manager service permanently. 6064 long ident = mInjector.binderClearCallingIdentity(); 6065 try { 6066 if (mInjector.getIBackupManager() != null) { 6067 mInjector.getIBackupManager() 6068 .setBackupServiceActive(UserHandle.USER_SYSTEM, false); 6069 } 6070 } catch (RemoteException e) { 6071 throw new IllegalStateException("Failed deactivating backup service.", e); 6072 } finally { 6073 mInjector.binderRestoreCallingIdentity(ident); 6074 } 6075 6076 if (isAdb()) { 6077 // Log device owner provisioning was started using adb. 6078 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_DEVICE_OWNER); 6079 } 6080 6081 mOwners.setDeviceOwner(admin, ownerName, userId); 6082 mOwners.writeDeviceOwner(); 6083 updateDeviceOwnerLocked(); 6084 setDeviceOwnerSystemPropertyLocked(); 6085 6086 final Set<String> restrictions = 6087 UserRestrictionsUtils.getDefaultEnabledForDeviceOwner(); 6088 if (!restrictions.isEmpty()) { 6089 for (String restriction : restrictions) { 6090 activeAdmin.ensureUserRestrictions().putBoolean(restriction, true); 6091 } 6092 activeAdmin.defaultEnabledRestrictionsAlreadySet.addAll(restrictions); 6093 Slog.i(LOG_TAG, "Enabled the following restrictions by default: " + restrictions); 6094 6095 saveUserRestrictionsLocked(userId); 6096 } 6097 6098 ident = mInjector.binderClearCallingIdentity(); 6099 try { 6100 // TODO Send to system too? 6101 mContext.sendBroadcastAsUser( 6102 new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED), 6103 UserHandle.of(userId)); 6104 } finally { 6105 mInjector.binderRestoreCallingIdentity(ident); 6106 } 6107 Slog.i(LOG_TAG, "Device owner set: " + admin + " on user " + userId); 6108 return true; 6109 } 6110 } 6111 6112 @Override 6113 public boolean hasDeviceOwner() { 6114 enforceDeviceOwnerOrManageUsers(); 6115 return mOwners.hasDeviceOwner(); 6116 } 6117 6118 boolean isDeviceOwner(ActiveAdmin admin) { 6119 return isDeviceOwner(admin.info.getComponent(), admin.getUserHandle().getIdentifier()); 6120 } 6121 6122 public boolean isDeviceOwner(ComponentName who, int userId) { 6123 synchronized (this) { 6124 return mOwners.hasDeviceOwner() 6125 && mOwners.getDeviceOwnerUserId() == userId 6126 && mOwners.getDeviceOwnerComponent().equals(who); 6127 } 6128 } 6129 6130 private boolean isDeviceOwnerPackage(String packageName, int userId) { 6131 synchronized (this) { 6132 return mOwners.hasDeviceOwner() 6133 && mOwners.getDeviceOwnerUserId() == userId 6134 && mOwners.getDeviceOwnerPackageName().equals(packageName); 6135 } 6136 } 6137 6138 public boolean isProfileOwner(ComponentName who, int userId) { 6139 final ComponentName profileOwner = getProfileOwner(userId); 6140 return who != null && who.equals(profileOwner); 6141 } 6142 6143 @Override 6144 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 6145 if (!mHasFeature) { 6146 return null; 6147 } 6148 if (!callingUserOnly) { 6149 enforceManageUsers(); 6150 } 6151 synchronized (this) { 6152 if (!mOwners.hasDeviceOwner()) { 6153 return null; 6154 } 6155 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 6156 mOwners.getDeviceOwnerUserId()) { 6157 return null; 6158 } 6159 return mOwners.getDeviceOwnerComponent(); 6160 } 6161 } 6162 6163 @Override 6164 public int getDeviceOwnerUserId() { 6165 if (!mHasFeature) { 6166 return UserHandle.USER_NULL; 6167 } 6168 enforceManageUsers(); 6169 synchronized (this) { 6170 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 6171 } 6172 } 6173 6174 /** 6175 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 6176 * MANAGE_USERS. 6177 */ 6178 @Override 6179 public String getDeviceOwnerName() { 6180 if (!mHasFeature) { 6181 return null; 6182 } 6183 enforceManageUsers(); 6184 synchronized (this) { 6185 if (!mOwners.hasDeviceOwner()) { 6186 return null; 6187 } 6188 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 6189 // Should setDeviceOwner/ProfileOwner still take a name? 6190 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 6191 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 6192 } 6193 } 6194 6195 /** Returns the active device owner or {@code null} if there is no device owner. */ 6196 @VisibleForTesting 6197 ActiveAdmin getDeviceOwnerAdminLocked() { 6198 ComponentName component = mOwners.getDeviceOwnerComponent(); 6199 if (component == null) { 6200 return null; 6201 } 6202 6203 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 6204 final int n = policy.mAdminList.size(); 6205 for (int i = 0; i < n; i++) { 6206 ActiveAdmin admin = policy.mAdminList.get(i); 6207 if (component.equals(admin.info.getComponent())) { 6208 return admin; 6209 } 6210 } 6211 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 6212 return null; 6213 } 6214 6215 @Override 6216 public void clearDeviceOwner(String packageName) { 6217 Preconditions.checkNotNull(packageName, "packageName is null"); 6218 final int callingUid = mInjector.binderGetCallingUid(); 6219 try { 6220 int uid = mInjector.getPackageManager().getPackageUidAsUser(packageName, 6221 UserHandle.getUserId(callingUid)); 6222 if (uid != callingUid) { 6223 throw new SecurityException("Invalid packageName"); 6224 } 6225 } catch (NameNotFoundException e) { 6226 throw new SecurityException(e); 6227 } 6228 synchronized (this) { 6229 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 6230 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 6231 if (!mOwners.hasDeviceOwner() 6232 || !deviceOwnerComponent.getPackageName().equals(packageName) 6233 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 6234 throw new SecurityException( 6235 "clearDeviceOwner can only be called by the device owner"); 6236 } 6237 enforceUserUnlocked(deviceOwnerUserId); 6238 6239 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 6240 long ident = mInjector.binderClearCallingIdentity(); 6241 try { 6242 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 6243 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 6244 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 6245 mContext.sendBroadcastAsUser(intent, UserHandle.of(deviceOwnerUserId)); 6246 } finally { 6247 mInjector.binderRestoreCallingIdentity(ident); 6248 } 6249 Slog.i(LOG_TAG, "Device owner removed: " + deviceOwnerComponent); 6250 } 6251 } 6252 6253 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 6254 if (admin != null) { 6255 admin.disableCamera = false; 6256 admin.userRestrictions = null; 6257 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6258 admin.forceEphemeralUsers = false; 6259 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 6260 final DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 6261 policyData.mLastSecurityLogRetrievalTime = -1; 6262 policyData.mLastBugReportRequestTime = -1; 6263 policyData.mLastNetworkLogsRetrievalTime = -1; 6264 saveSettingsLocked(UserHandle.USER_SYSTEM); 6265 } 6266 clearUserPoliciesLocked(userId); 6267 6268 mOwners.clearDeviceOwner(); 6269 mOwners.writeDeviceOwner(); 6270 updateDeviceOwnerLocked(); 6271 disableDeviceOwnerManagedSingleUserFeaturesIfNeeded(); 6272 try { 6273 if (mInjector.getIBackupManager() != null) { 6274 // Reactivate backup service. 6275 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 6276 } 6277 } catch (RemoteException e) { 6278 throw new IllegalStateException("Failed reactivating backup service.", e); 6279 } 6280 } 6281 6282 @Override 6283 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 6284 if (!mHasFeature) { 6285 return false; 6286 } 6287 if (who == null 6288 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 6289 throw new IllegalArgumentException("Component " + who 6290 + " not installed for userId:" + userHandle); 6291 } 6292 final boolean hasIncompatibleAccountsOrNonAdb = 6293 hasIncompatibleAccountsOrNonAdbNoLock(userHandle, who); 6294 synchronized (this) { 6295 enforceCanSetProfileOwnerLocked(who, userHandle, hasIncompatibleAccountsOrNonAdb); 6296 6297 if (getActiveAdminUncheckedLocked(who, userHandle) == null 6298 || getUserData(userHandle).mRemovingAdmins.contains(who)) { 6299 throw new IllegalArgumentException("Not active admin: " + who); 6300 } 6301 6302 if (isAdb()) { 6303 // Log profile owner provisioning was started using adb. 6304 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_PROFILE_OWNER); 6305 } 6306 6307 mOwners.setProfileOwner(who, ownerName, userHandle); 6308 mOwners.writeProfileOwner(userHandle); 6309 Slog.i(LOG_TAG, "Profile owner set: " + who + " on user " + userHandle); 6310 6311 return true; 6312 } 6313 } 6314 6315 @Override 6316 public void clearProfileOwner(ComponentName who) { 6317 if (!mHasFeature) { 6318 return; 6319 } 6320 final UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 6321 final int userId = callingUser.getIdentifier(); 6322 enforceNotManagedProfile(userId, "clear profile owner"); 6323 enforceUserUnlocked(userId); 6324 // Check if this is the profile owner who is calling 6325 final ActiveAdmin admin = 6326 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6327 synchronized (this) { 6328 final long ident = mInjector.binderClearCallingIdentity(); 6329 try { 6330 clearProfileOwnerLocked(admin, userId); 6331 removeActiveAdminLocked(who, userId); 6332 } finally { 6333 mInjector.binderRestoreCallingIdentity(ident); 6334 } 6335 Slog.i(LOG_TAG, "Profile owner " + who + " removed from user " + userId); 6336 } 6337 } 6338 6339 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 6340 if (admin != null) { 6341 admin.disableCamera = false; 6342 admin.userRestrictions = null; 6343 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6344 } 6345 clearUserPoliciesLocked(userId); 6346 mOwners.removeProfileOwner(userId); 6347 mOwners.writeProfileOwner(userId); 6348 } 6349 6350 @Override 6351 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 6352 Preconditions.checkNotNull(who, "ComponentName is null"); 6353 if (!mHasFeature) { 6354 return; 6355 } 6356 6357 synchronized (this) { 6358 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6359 long token = mInjector.binderClearCallingIdentity(); 6360 try { 6361 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 6362 } finally { 6363 mInjector.binderRestoreCallingIdentity(token); 6364 } 6365 } 6366 } 6367 6368 @Override 6369 public CharSequence getDeviceOwnerLockScreenInfo() { 6370 return mLockPatternUtils.getDeviceOwnerInfo(); 6371 } 6372 6373 private void clearUserPoliciesLocked(int userId) { 6374 // Reset some of the user-specific policies 6375 DevicePolicyData policy = getUserData(userId); 6376 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 6377 policy.mDelegatedCertInstallerPackage = null; 6378 policy.mApplicationRestrictionsManagingPackage = null; 6379 policy.mStatusBarDisabled = false; 6380 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 6381 saveSettingsLocked(userId); 6382 6383 try { 6384 mIPackageManager.updatePermissionFlagsForAllApps( 6385 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6386 0 /* flagValues */, userId); 6387 pushUserRestrictions(userId); 6388 } catch (RemoteException re) { 6389 // Shouldn't happen. 6390 } 6391 } 6392 6393 @Override 6394 public boolean hasUserSetupCompleted() { 6395 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 6396 } 6397 6398 // This checks only if the Setup Wizard has run. Since Wear devices pair before 6399 // completing Setup Wizard, and pairing involves transferring user data, calling 6400 // logic may want to check mIsWatch or mPaired in addition to hasUserSetupCompleted(). 6401 private boolean hasUserSetupCompleted(int userHandle) { 6402 if (!mHasFeature) { 6403 return true; 6404 } 6405 return getUserData(userHandle).mUserSetupComplete; 6406 } 6407 6408 private boolean hasPaired(int userHandle) { 6409 if (!mHasFeature) { 6410 return true; 6411 } 6412 return getUserData(userHandle).mPaired; 6413 } 6414 6415 @Override 6416 public int getUserProvisioningState() { 6417 if (!mHasFeature) { 6418 return DevicePolicyManager.STATE_USER_UNMANAGED; 6419 } 6420 int userHandle = mInjector.userHandleGetCallingUserId(); 6421 return getUserProvisioningState(userHandle); 6422 } 6423 6424 private int getUserProvisioningState(int userHandle) { 6425 return getUserData(userHandle).mUserProvisioningState; 6426 } 6427 6428 @Override 6429 public void setUserProvisioningState(int newState, int userHandle) { 6430 if (!mHasFeature) { 6431 return; 6432 } 6433 6434 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 6435 && getManagedUserId(userHandle) == -1) { 6436 // No managed device, user or profile, so setting provisioning state makes no sense. 6437 throw new IllegalStateException("Not allowed to change provisioning state unless a " 6438 + "device or profile owner is set."); 6439 } 6440 6441 synchronized (this) { 6442 boolean transitionCheckNeeded = true; 6443 6444 // Calling identity/permission checks. 6445 if (isAdb()) { 6446 // ADB shell can only move directly from un-managed to finalized as part of directly 6447 // setting profile-owner or device-owner. 6448 if (getUserProvisioningState(userHandle) != 6449 DevicePolicyManager.STATE_USER_UNMANAGED 6450 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6451 throw new IllegalStateException("Not allowed to change provisioning state " 6452 + "unless current provisioning state is unmanaged, and new state is " 6453 + "finalized."); 6454 } 6455 transitionCheckNeeded = false; 6456 } else { 6457 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 6458 enforceCanManageProfileAndDeviceOwners(); 6459 } 6460 6461 final DevicePolicyData policyData = getUserData(userHandle); 6462 if (transitionCheckNeeded) { 6463 // Optional state transition check for non-ADB case. 6464 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 6465 } 6466 policyData.mUserProvisioningState = newState; 6467 saveSettingsLocked(userHandle); 6468 } 6469 } 6470 6471 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6472 // Valid transitions for normal use-cases. 6473 switch (currentState) { 6474 case DevicePolicyManager.STATE_USER_UNMANAGED: 6475 // Can move to any state from unmanaged (except itself as an edge case).. 6476 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 6477 return; 6478 } 6479 break; 6480 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 6481 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 6482 // Can only move to finalized from these states. 6483 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6484 return; 6485 } 6486 break; 6487 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 6488 // Current user has a managed-profile, but current user is not managed, so 6489 // rather than moving to finalized state, go back to unmanaged once 6490 // profile provisioning is complete. 6491 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 6492 return; 6493 } 6494 break; 6495 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 6496 // Cannot transition out of finalized. 6497 break; 6498 } 6499 6500 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 6501 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 6502 + "from state [" + currentState + "]"); 6503 } 6504 6505 @Override 6506 public void setProfileEnabled(ComponentName who) { 6507 if (!mHasFeature) { 6508 return; 6509 } 6510 Preconditions.checkNotNull(who, "ComponentName is null"); 6511 synchronized (this) { 6512 // Check if this is the profile owner who is calling 6513 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6514 final int userId = UserHandle.getCallingUserId(); 6515 enforceManagedProfile(userId, "enable the profile"); 6516 // Check if the profile is already enabled. 6517 UserInfo managedProfile = getUserInfo(userId); 6518 if (managedProfile.isEnabled()) { 6519 Slog.e(LOG_TAG, 6520 "setProfileEnabled is called when the profile is already enabled"); 6521 return; 6522 } 6523 long id = mInjector.binderClearCallingIdentity(); 6524 try { 6525 mUserManager.setUserEnabled(userId); 6526 UserInfo parent = mUserManager.getProfileParent(userId); 6527 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 6528 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 6529 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 6530 Intent.FLAG_RECEIVER_FOREGROUND); 6531 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 6532 } finally { 6533 mInjector.binderRestoreCallingIdentity(id); 6534 } 6535 } 6536 } 6537 6538 @Override 6539 public void setProfileName(ComponentName who, String profileName) { 6540 Preconditions.checkNotNull(who, "ComponentName is null"); 6541 int userId = UserHandle.getCallingUserId(); 6542 // Check if this is the profile owner (includes device owner). 6543 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6544 6545 long id = mInjector.binderClearCallingIdentity(); 6546 try { 6547 mUserManager.setUserName(userId, profileName); 6548 } finally { 6549 mInjector.binderRestoreCallingIdentity(id); 6550 } 6551 } 6552 6553 @Override 6554 public ComponentName getProfileOwner(int userHandle) { 6555 if (!mHasFeature) { 6556 return null; 6557 } 6558 6559 synchronized (this) { 6560 return mOwners.getProfileOwnerComponent(userHandle); 6561 } 6562 } 6563 6564 // Returns the active profile owner for this user or null if the current user has no 6565 // profile owner. 6566 @VisibleForTesting 6567 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 6568 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 6569 if (profileOwner == null) { 6570 return null; 6571 } 6572 DevicePolicyData policy = getUserData(userHandle); 6573 final int n = policy.mAdminList.size(); 6574 for (int i = 0; i < n; i++) { 6575 ActiveAdmin admin = policy.mAdminList.get(i); 6576 if (profileOwner.equals(admin.info.getComponent())) { 6577 return admin; 6578 } 6579 } 6580 return null; 6581 } 6582 6583 @Override 6584 public String getProfileOwnerName(int userHandle) { 6585 if (!mHasFeature) { 6586 return null; 6587 } 6588 enforceManageUsers(); 6589 ComponentName profileOwner = getProfileOwner(userHandle); 6590 if (profileOwner == null) { 6591 return null; 6592 } 6593 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 6594 } 6595 6596 /** 6597 * Canonical name for a given package. 6598 */ 6599 private String getApplicationLabel(String packageName, int userHandle) { 6600 long token = mInjector.binderClearCallingIdentity(); 6601 try { 6602 final Context userContext; 6603 try { 6604 UserHandle handle = new UserHandle(userHandle); 6605 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 6606 } catch (PackageManager.NameNotFoundException nnfe) { 6607 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 6608 return null; 6609 } 6610 ApplicationInfo appInfo = userContext.getApplicationInfo(); 6611 CharSequence result = null; 6612 if (appInfo != null) { 6613 PackageManager pm = userContext.getPackageManager(); 6614 result = pm.getApplicationLabel(appInfo); 6615 } 6616 return result != null ? result.toString() : null; 6617 } finally { 6618 mInjector.binderRestoreCallingIdentity(token); 6619 } 6620 } 6621 6622 /** 6623 * Calls wtfStack() if called with the DPMS lock held. 6624 */ 6625 private void wtfIfInLock() { 6626 if (Thread.holdsLock(this)) { 6627 Slog.wtfStack(LOG_TAG, "Shouldn't be called with DPMS lock held"); 6628 } 6629 } 6630 6631 /** 6632 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6633 * permission. 6634 * The profile owner can only be set before the user setup phase has completed, 6635 * except for: 6636 * - SYSTEM_UID 6637 * - adb unless hasIncompatibleAccountsOrNonAdb is true. 6638 */ 6639 private void enforceCanSetProfileOwnerLocked(@Nullable ComponentName owner, int userHandle, 6640 boolean hasIncompatibleAccountsOrNonAdb) { 6641 UserInfo info = getUserInfo(userHandle); 6642 if (info == null) { 6643 // User doesn't exist. 6644 throw new IllegalArgumentException( 6645 "Attempted to set profile owner for invalid userId: " + userHandle); 6646 } 6647 if (info.isGuest()) { 6648 throw new IllegalStateException("Cannot set a profile owner on a guest"); 6649 } 6650 if (mOwners.hasProfileOwner(userHandle)) { 6651 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 6652 + "is already set."); 6653 } 6654 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 6655 throw new IllegalStateException("Trying to set the profile owner, but the user " 6656 + "already has a device owner."); 6657 } 6658 if (isAdb()) { 6659 if ((mIsWatch || hasUserSetupCompleted(userHandle)) 6660 && hasIncompatibleAccountsOrNonAdb) { 6661 throw new IllegalStateException("Not allowed to set the profile owner because " 6662 + "there are already some accounts on the profile"); 6663 } 6664 return; 6665 } 6666 enforceCanManageProfileAndDeviceOwners(); 6667 if ((mIsWatch || hasUserSetupCompleted(userHandle)) && !isCallerWithSystemUid()) { 6668 throw new IllegalStateException("Cannot set the profile owner on a user which is " 6669 + "already set-up"); 6670 } 6671 } 6672 6673 /** 6674 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6675 * permission. 6676 */ 6677 private void enforceCanSetDeviceOwnerLocked(@Nullable ComponentName owner, int userId, 6678 boolean hasIncompatibleAccountsOrNonAdb) { 6679 if (!isAdb()) { 6680 enforceCanManageProfileAndDeviceOwners(); 6681 } 6682 6683 final int code = checkDeviceOwnerProvisioningPreConditionLocked( 6684 owner, userId, isAdb(), hasIncompatibleAccountsOrNonAdb); 6685 switch (code) { 6686 case CODE_OK: 6687 return; 6688 case CODE_HAS_DEVICE_OWNER: 6689 throw new IllegalStateException( 6690 "Trying to set the device owner, but device owner is already set."); 6691 case CODE_USER_HAS_PROFILE_OWNER: 6692 throw new IllegalStateException("Trying to set the device owner, but the user " 6693 + "already has a profile owner."); 6694 case CODE_USER_NOT_RUNNING: 6695 throw new IllegalStateException("User not running: " + userId); 6696 case CODE_NOT_SYSTEM_USER: 6697 throw new IllegalStateException("User is not system user"); 6698 case CODE_USER_SETUP_COMPLETED: 6699 throw new IllegalStateException( 6700 "Cannot set the device owner if the device is already set-up"); 6701 case CODE_NONSYSTEM_USER_EXISTS: 6702 throw new IllegalStateException("Not allowed to set the device owner because there " 6703 + "are already several users on the device"); 6704 case CODE_ACCOUNTS_NOT_EMPTY: 6705 throw new IllegalStateException("Not allowed to set the device owner because there " 6706 + "are already some accounts on the device"); 6707 case CODE_HAS_PAIRED: 6708 throw new IllegalStateException("Not allowed to set the device owner because this " 6709 + "device has already paired"); 6710 default: 6711 throw new IllegalStateException("Unexpected @ProvisioningPreCondition " + code); 6712 } 6713 } 6714 6715 private void enforceUserUnlocked(int userId) { 6716 // Since we're doing this operation on behalf of an app, we only 6717 // want to use the actual "unlocked" state. 6718 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 6719 "User must be running and unlocked"); 6720 } 6721 6722 private void enforceUserUnlocked(@UserIdInt int userId, boolean parent) { 6723 if (parent) { 6724 enforceUserUnlocked(getProfileParentId(userId)); 6725 } else { 6726 enforceUserUnlocked(userId); 6727 } 6728 } 6729 6730 private void enforceManageUsers() { 6731 final int callingUid = mInjector.binderGetCallingUid(); 6732 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6733 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6734 } 6735 } 6736 6737 private void enforceFullCrossUsersPermission(int userHandle) { 6738 enforceSystemUserOrPermission(userHandle, 6739 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 6740 } 6741 6742 private void enforceCrossUsersPermission(int userHandle) { 6743 enforceSystemUserOrPermission(userHandle, 6744 android.Manifest.permission.INTERACT_ACROSS_USERS); 6745 } 6746 6747 private void enforceSystemUserOrPermission(int userHandle, String permission) { 6748 if (userHandle < 0) { 6749 throw new IllegalArgumentException("Invalid userId " + userHandle); 6750 } 6751 final int callingUid = mInjector.binderGetCallingUid(); 6752 if (userHandle == UserHandle.getUserId(callingUid)) { 6753 return; 6754 } 6755 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 6756 mContext.enforceCallingOrSelfPermission(permission, 6757 "Must be system or have " + permission + " permission"); 6758 } 6759 } 6760 6761 private void enforceManagedProfile(int userHandle, String message) { 6762 if(!isManagedProfile(userHandle)) { 6763 throw new SecurityException("You can not " + message + " outside a managed profile."); 6764 } 6765 } 6766 6767 private void enforceNotManagedProfile(int userHandle, String message) { 6768 if(isManagedProfile(userHandle)) { 6769 throw new SecurityException("You can not " + message + " for a managed profile."); 6770 } 6771 } 6772 6773 private void enforceDeviceOwnerOrManageUsers() { 6774 synchronized (this) { 6775 if (getActiveAdminWithPolicyForUidLocked(null, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 6776 mInjector.binderGetCallingUid()) != null) { 6777 return; 6778 } 6779 } 6780 enforceManageUsers(); 6781 } 6782 6783 private void ensureCallerPackage(@Nullable String packageName) { 6784 if (packageName == null) { 6785 Preconditions.checkState(isCallerWithSystemUid(), 6786 "Only caller can omit package name"); 6787 } else { 6788 final int callingUid = mInjector.binderGetCallingUid(); 6789 final int userId = mInjector.userHandleGetCallingUserId(); 6790 try { 6791 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 6792 packageName, 0, userId); 6793 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 6794 } catch (RemoteException e) { 6795 // Shouldn't happen 6796 } 6797 } 6798 } 6799 6800 private boolean isCallerWithSystemUid() { 6801 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 6802 } 6803 6804 private int getProfileParentId(int userHandle) { 6805 final long ident = mInjector.binderClearCallingIdentity(); 6806 try { 6807 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 6808 return parentUser != null ? parentUser.id : userHandle; 6809 } finally { 6810 mInjector.binderRestoreCallingIdentity(ident); 6811 } 6812 } 6813 6814 private int getCredentialOwner(int userHandle, boolean parent) { 6815 final long ident = mInjector.binderClearCallingIdentity(); 6816 try { 6817 if (parent) { 6818 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 6819 if (parentProfile != null) { 6820 userHandle = parentProfile.id; 6821 } 6822 } 6823 return mUserManager.getCredentialOwnerProfile(userHandle); 6824 } finally { 6825 mInjector.binderRestoreCallingIdentity(ident); 6826 } 6827 } 6828 6829 private boolean isManagedProfile(int userHandle) { 6830 final UserInfo user = getUserInfo(userHandle); 6831 return user != null && user.isManagedProfile(); 6832 } 6833 6834 private void enableIfNecessary(String packageName, int userId) { 6835 try { 6836 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 6837 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 6838 userId); 6839 if (ai.enabledSetting 6840 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 6841 mIPackageManager.setApplicationEnabledSetting(packageName, 6842 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 6843 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 6844 } 6845 } catch (RemoteException e) { 6846 } 6847 } 6848 6849 @Override 6850 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 6851 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 6852 != PackageManager.PERMISSION_GRANTED) { 6853 6854 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 6855 + mInjector.binderGetCallingPid() 6856 + ", uid=" + mInjector.binderGetCallingUid()); 6857 return; 6858 } 6859 6860 synchronized (this) { 6861 pw.println("Current Device Policy Manager state:"); 6862 mOwners.dump(" ", pw); 6863 int userCount = mUserData.size(); 6864 for (int u = 0; u < userCount; u++) { 6865 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 6866 pw.println(); 6867 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 6868 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 6869 final int N = policy.mAdminList.size(); 6870 for (int i=0; i<N; i++) { 6871 ActiveAdmin ap = policy.mAdminList.get(i); 6872 if (ap != null) { 6873 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 6874 pw.println(":"); 6875 ap.dump(" ", pw); 6876 } 6877 } 6878 if (!policy.mRemovingAdmins.isEmpty()) { 6879 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 6880 + policy.mRemovingAdmins); 6881 } 6882 6883 pw.println(" "); 6884 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 6885 } 6886 pw.println(); 6887 pw.println("Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 6888 } 6889 } 6890 6891 private String getEncryptionStatusName(int encryptionStatus) { 6892 switch (encryptionStatus) { 6893 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 6894 return "inactive"; 6895 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 6896 return "block default key"; 6897 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 6898 return "block"; 6899 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 6900 return "per-user"; 6901 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 6902 return "unsupported"; 6903 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 6904 return "activating"; 6905 default: 6906 return "unknown"; 6907 } 6908 } 6909 6910 @Override 6911 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 6912 ComponentName activity) { 6913 Preconditions.checkNotNull(who, "ComponentName is null"); 6914 final int userHandle = UserHandle.getCallingUserId(); 6915 synchronized (this) { 6916 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6917 6918 long id = mInjector.binderClearCallingIdentity(); 6919 try { 6920 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 6921 } catch (RemoteException re) { 6922 // Shouldn't happen 6923 } finally { 6924 mInjector.binderRestoreCallingIdentity(id); 6925 } 6926 } 6927 } 6928 6929 @Override 6930 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 6931 Preconditions.checkNotNull(who, "ComponentName is null"); 6932 final int userHandle = UserHandle.getCallingUserId(); 6933 synchronized (this) { 6934 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6935 6936 long id = mInjector.binderClearCallingIdentity(); 6937 try { 6938 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 6939 } catch (RemoteException re) { 6940 // Shouldn't happen 6941 } finally { 6942 mInjector.binderRestoreCallingIdentity(id); 6943 } 6944 } 6945 } 6946 6947 @Override 6948 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 6949 String packageName) { 6950 Preconditions.checkNotNull(admin, "ComponentName is null"); 6951 6952 final int userHandle = mInjector.userHandleGetCallingUserId(); 6953 synchronized (this) { 6954 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6955 if (packageName != null && !isPackageInstalledForUser(packageName, userHandle)) { 6956 return false; 6957 } 6958 DevicePolicyData policy = getUserData(userHandle); 6959 policy.mApplicationRestrictionsManagingPackage = packageName; 6960 saveSettingsLocked(userHandle); 6961 return true; 6962 } 6963 } 6964 6965 @Override 6966 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 6967 Preconditions.checkNotNull(admin, "ComponentName is null"); 6968 6969 final int userHandle = mInjector.userHandleGetCallingUserId(); 6970 synchronized (this) { 6971 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6972 DevicePolicyData policy = getUserData(userHandle); 6973 return policy.mApplicationRestrictionsManagingPackage; 6974 } 6975 } 6976 6977 @Override 6978 public boolean isCallerApplicationRestrictionsManagingPackage() { 6979 final int callingUid = mInjector.binderGetCallingUid(); 6980 final int userHandle = UserHandle.getUserId(callingUid); 6981 synchronized (this) { 6982 final DevicePolicyData policy = getUserData(userHandle); 6983 if (policy.mApplicationRestrictionsManagingPackage == null) { 6984 return false; 6985 } 6986 6987 try { 6988 int uid = mInjector.getPackageManager().getPackageUidAsUser( 6989 policy.mApplicationRestrictionsManagingPackage, userHandle); 6990 return uid == callingUid; 6991 } catch (NameNotFoundException e) { 6992 return false; 6993 } 6994 } 6995 } 6996 6997 private void enforceCanManageApplicationRestrictions(ComponentName who) { 6998 if (who != null) { 6999 synchronized (this) { 7000 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7001 } 7002 } else if (!isCallerApplicationRestrictionsManagingPackage()) { 7003 throw new SecurityException( 7004 "No admin component given, and caller cannot manage application restrictions " 7005 + "for other apps."); 7006 } 7007 } 7008 7009 @Override 7010 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 7011 enforceCanManageApplicationRestrictions(who); 7012 7013 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7014 final long id = mInjector.binderClearCallingIdentity(); 7015 try { 7016 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 7017 } finally { 7018 mInjector.binderRestoreCallingIdentity(id); 7019 } 7020 } 7021 7022 @Override 7023 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 7024 PersistableBundle args, boolean parent) { 7025 if (!mHasFeature) { 7026 return; 7027 } 7028 Preconditions.checkNotNull(admin, "admin is null"); 7029 Preconditions.checkNotNull(agent, "agent is null"); 7030 final int userHandle = UserHandle.getCallingUserId(); 7031 synchronized (this) { 7032 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 7033 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 7034 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 7035 saveSettingsLocked(userHandle); 7036 } 7037 } 7038 7039 @Override 7040 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 7041 ComponentName agent, int userHandle, boolean parent) { 7042 if (!mHasFeature) { 7043 return null; 7044 } 7045 Preconditions.checkNotNull(agent, "agent null"); 7046 enforceFullCrossUsersPermission(userHandle); 7047 7048 synchronized (this) { 7049 final String componentName = agent.flattenToString(); 7050 if (admin != null) { 7051 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 7052 if (ap == null) return null; 7053 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 7054 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 7055 List<PersistableBundle> result = new ArrayList<>(); 7056 result.add(trustAgentInfo.options); 7057 return result; 7058 } 7059 7060 // Return strictest policy for this user and profiles that are visible from this user. 7061 List<PersistableBundle> result = null; 7062 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 7063 // of the options. If any admin doesn't have options, discard options for the rest 7064 // and return null. 7065 List<ActiveAdmin> admins = 7066 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 7067 boolean allAdminsHaveOptions = true; 7068 final int N = admins.size(); 7069 for (int i = 0; i < N; i++) { 7070 final ActiveAdmin active = admins.get(i); 7071 7072 final boolean disablesTrust = (active.disabledKeyguardFeatures 7073 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 7074 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 7075 if (info != null && info.options != null && !info.options.isEmpty()) { 7076 if (disablesTrust) { 7077 if (result == null) { 7078 result = new ArrayList<>(); 7079 } 7080 result.add(info.options); 7081 } else { 7082 Log.w(LOG_TAG, "Ignoring admin " + active.info 7083 + " because it has trust options but doesn't declare " 7084 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 7085 } 7086 } else if (disablesTrust) { 7087 allAdminsHaveOptions = false; 7088 break; 7089 } 7090 } 7091 return allAdminsHaveOptions ? result : null; 7092 } 7093 } 7094 7095 @Override 7096 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 7097 Preconditions.checkNotNull(who, "ComponentName is null"); 7098 synchronized (this) { 7099 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7100 7101 int userHandle = UserHandle.getCallingUserId(); 7102 DevicePolicyData userData = getUserData(userHandle); 7103 userData.mRestrictionsProvider = permissionProvider; 7104 saveSettingsLocked(userHandle); 7105 } 7106 } 7107 7108 @Override 7109 public ComponentName getRestrictionsProvider(int userHandle) { 7110 synchronized (this) { 7111 if (!isCallerWithSystemUid()) { 7112 throw new SecurityException("Only the system can query the permission provider"); 7113 } 7114 DevicePolicyData userData = getUserData(userHandle); 7115 return userData != null ? userData.mRestrictionsProvider : null; 7116 } 7117 } 7118 7119 @Override 7120 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 7121 Preconditions.checkNotNull(who, "ComponentName is null"); 7122 int callingUserId = UserHandle.getCallingUserId(); 7123 synchronized (this) { 7124 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7125 7126 long id = mInjector.binderClearCallingIdentity(); 7127 try { 7128 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7129 if (parent == null) { 7130 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 7131 + "parent"); 7132 return; 7133 } 7134 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 7135 mIPackageManager.addCrossProfileIntentFilter( 7136 filter, who.getPackageName(), callingUserId, parent.id, 0); 7137 } 7138 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 7139 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 7140 parent.id, callingUserId, 0); 7141 } 7142 } catch (RemoteException re) { 7143 // Shouldn't happen 7144 } finally { 7145 mInjector.binderRestoreCallingIdentity(id); 7146 } 7147 } 7148 } 7149 7150 @Override 7151 public void clearCrossProfileIntentFilters(ComponentName who) { 7152 Preconditions.checkNotNull(who, "ComponentName is null"); 7153 int callingUserId = UserHandle.getCallingUserId(); 7154 synchronized (this) { 7155 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7156 long id = mInjector.binderClearCallingIdentity(); 7157 try { 7158 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7159 if (parent == null) { 7160 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 7161 + "parent"); 7162 return; 7163 } 7164 // Removing those that go from the managed profile to the parent. 7165 mIPackageManager.clearCrossProfileIntentFilters( 7166 callingUserId, who.getPackageName()); 7167 // And those that go from the parent to the managed profile. 7168 // If we want to support multiple managed profiles, we will have to only remove 7169 // those that have callingUserId as their target. 7170 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 7171 } catch (RemoteException re) { 7172 // Shouldn't happen 7173 } finally { 7174 mInjector.binderRestoreCallingIdentity(id); 7175 } 7176 } 7177 } 7178 7179 /** 7180 * @return true if all packages in enabledPackages are either in the list 7181 * permittedList or are a system app. 7182 */ 7183 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 7184 List<String> permittedList, int userIdToCheck) { 7185 long id = mInjector.binderClearCallingIdentity(); 7186 try { 7187 // If we have an enabled packages list for a managed profile the packages 7188 // we should check are installed for the parent user. 7189 UserInfo user = getUserInfo(userIdToCheck); 7190 if (user.isManagedProfile()) { 7191 userIdToCheck = user.profileGroupId; 7192 } 7193 7194 for (String enabledPackage : enabledPackages) { 7195 boolean systemService = false; 7196 try { 7197 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 7198 enabledPackage, PackageManager.MATCH_UNINSTALLED_PACKAGES, 7199 userIdToCheck); 7200 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7201 } catch (RemoteException e) { 7202 Log.i(LOG_TAG, "Can't talk to package managed", e); 7203 } 7204 if (!systemService && !permittedList.contains(enabledPackage)) { 7205 return false; 7206 } 7207 } 7208 } finally { 7209 mInjector.binderRestoreCallingIdentity(id); 7210 } 7211 return true; 7212 } 7213 7214 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 7215 // Not using AccessibilityManager.getInstance because that guesses 7216 // at the user you require based on callingUid and caches for a given 7217 // process. 7218 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 7219 IAccessibilityManager service = iBinder == null 7220 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 7221 return new AccessibilityManager(mContext, service, userId); 7222 } 7223 7224 @Override 7225 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 7226 if (!mHasFeature) { 7227 return false; 7228 } 7229 Preconditions.checkNotNull(who, "ComponentName is null"); 7230 7231 if (packageList != null) { 7232 int userId = UserHandle.getCallingUserId(); 7233 List<AccessibilityServiceInfo> enabledServices = null; 7234 long id = mInjector.binderClearCallingIdentity(); 7235 try { 7236 UserInfo user = getUserInfo(userId); 7237 if (user.isManagedProfile()) { 7238 userId = user.profileGroupId; 7239 } 7240 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 7241 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 7242 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 7243 } finally { 7244 mInjector.binderRestoreCallingIdentity(id); 7245 } 7246 7247 if (enabledServices != null) { 7248 List<String> enabledPackages = new ArrayList<String>(); 7249 for (AccessibilityServiceInfo service : enabledServices) { 7250 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 7251 } 7252 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7253 userId)) { 7254 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 7255 + "because it contains already enabled accesibility services."); 7256 return false; 7257 } 7258 } 7259 } 7260 7261 synchronized (this) { 7262 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7263 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7264 admin.permittedAccessiblityServices = packageList; 7265 saveSettingsLocked(UserHandle.getCallingUserId()); 7266 } 7267 return true; 7268 } 7269 7270 @Override 7271 public List getPermittedAccessibilityServices(ComponentName who) { 7272 if (!mHasFeature) { 7273 return null; 7274 } 7275 Preconditions.checkNotNull(who, "ComponentName is null"); 7276 7277 synchronized (this) { 7278 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7279 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7280 return admin.permittedAccessiblityServices; 7281 } 7282 } 7283 7284 @Override 7285 public List getPermittedAccessibilityServicesForUser(int userId) { 7286 if (!mHasFeature) { 7287 return null; 7288 } 7289 synchronized (this) { 7290 List<String> result = null; 7291 // If we have multiple profiles we return the intersection of the 7292 // permitted lists. This can happen in cases where we have a device 7293 // and profile owner. 7294 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7295 for (int profileId : profileIds) { 7296 // Just loop though all admins, only device or profiles 7297 // owners can have permitted lists set. 7298 DevicePolicyData policy = getUserDataUnchecked(profileId); 7299 final int N = policy.mAdminList.size(); 7300 for (int j = 0; j < N; j++) { 7301 ActiveAdmin admin = policy.mAdminList.get(j); 7302 List<String> fromAdmin = admin.permittedAccessiblityServices; 7303 if (fromAdmin != null) { 7304 if (result == null) { 7305 result = new ArrayList<>(fromAdmin); 7306 } else { 7307 result.retainAll(fromAdmin); 7308 } 7309 } 7310 } 7311 } 7312 7313 // If we have a permitted list add all system accessibility services. 7314 if (result != null) { 7315 long id = mInjector.binderClearCallingIdentity(); 7316 try { 7317 UserInfo user = getUserInfo(userId); 7318 if (user.isManagedProfile()) { 7319 userId = user.profileGroupId; 7320 } 7321 AccessibilityManager accessibilityManager = 7322 getAccessibilityManagerForUser(userId); 7323 List<AccessibilityServiceInfo> installedServices = 7324 accessibilityManager.getInstalledAccessibilityServiceList(); 7325 7326 if (installedServices != null) { 7327 for (AccessibilityServiceInfo service : installedServices) { 7328 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 7329 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7330 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7331 result.add(serviceInfo.packageName); 7332 } 7333 } 7334 } 7335 } finally { 7336 mInjector.binderRestoreCallingIdentity(id); 7337 } 7338 } 7339 7340 return result; 7341 } 7342 } 7343 7344 @Override 7345 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 7346 int userHandle) { 7347 if (!mHasFeature) { 7348 return true; 7349 } 7350 Preconditions.checkNotNull(who, "ComponentName is null"); 7351 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7352 if (!isCallerWithSystemUid()){ 7353 throw new SecurityException( 7354 "Only the system can query if an accessibility service is disabled by admin"); 7355 } 7356 synchronized (this) { 7357 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7358 if (admin == null) { 7359 return false; 7360 } 7361 if (admin.permittedAccessiblityServices == null) { 7362 return true; 7363 } 7364 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7365 admin.permittedAccessiblityServices, userHandle); 7366 } 7367 } 7368 7369 private boolean checkCallerIsCurrentUserOrProfile() { 7370 int callingUserId = UserHandle.getCallingUserId(); 7371 long token = mInjector.binderClearCallingIdentity(); 7372 try { 7373 UserInfo currentUser; 7374 UserInfo callingUser = getUserInfo(callingUserId); 7375 try { 7376 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7377 } catch (RemoteException e) { 7378 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 7379 return false; 7380 } 7381 7382 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 7383 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 7384 + "of a user that isn't the foreground user."); 7385 return false; 7386 } 7387 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 7388 Slog.e(LOG_TAG, "Cannot set permitted input methods " 7389 + "of a user that isn't the foreground user."); 7390 return false; 7391 } 7392 } finally { 7393 mInjector.binderRestoreCallingIdentity(token); 7394 } 7395 return true; 7396 } 7397 7398 @Override 7399 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 7400 if (!mHasFeature) { 7401 return false; 7402 } 7403 Preconditions.checkNotNull(who, "ComponentName is null"); 7404 7405 // TODO When InputMethodManager supports per user calls remove 7406 // this restriction. 7407 if (!checkCallerIsCurrentUserOrProfile()) { 7408 return false; 7409 } 7410 7411 if (packageList != null) { 7412 // InputMethodManager fetches input methods for current user. 7413 // So this can only be set when calling user is the current user 7414 // or parent is current user in case of managed profiles. 7415 InputMethodManager inputMethodManager = 7416 mContext.getSystemService(InputMethodManager.class); 7417 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 7418 7419 if (enabledImes != null) { 7420 List<String> enabledPackages = new ArrayList<String>(); 7421 for (InputMethodInfo ime : enabledImes) { 7422 enabledPackages.add(ime.getPackageName()); 7423 } 7424 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7425 mInjector.binderGetCallingUserHandle().getIdentifier())) { 7426 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 7427 + "because it contains already enabled input method."); 7428 return false; 7429 } 7430 } 7431 } 7432 7433 synchronized (this) { 7434 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7435 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7436 admin.permittedInputMethods = packageList; 7437 saveSettingsLocked(UserHandle.getCallingUserId()); 7438 } 7439 return true; 7440 } 7441 7442 @Override 7443 public List getPermittedInputMethods(ComponentName who) { 7444 if (!mHasFeature) { 7445 return null; 7446 } 7447 Preconditions.checkNotNull(who, "ComponentName is null"); 7448 7449 synchronized (this) { 7450 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7451 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7452 return admin.permittedInputMethods; 7453 } 7454 } 7455 7456 @Override 7457 public List getPermittedInputMethodsForCurrentUser() { 7458 UserInfo currentUser; 7459 try { 7460 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7461 } catch (RemoteException e) { 7462 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 7463 // Activity managed is dead, just allow all IMEs 7464 return null; 7465 } 7466 7467 int userId = currentUser.id; 7468 synchronized (this) { 7469 List<String> result = null; 7470 // If we have multiple profiles we return the intersection of the 7471 // permitted lists. This can happen in cases where we have a device 7472 // and profile owner. 7473 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7474 for (int profileId : profileIds) { 7475 // Just loop though all admins, only device or profiles 7476 // owners can have permitted lists set. 7477 DevicePolicyData policy = getUserDataUnchecked(profileId); 7478 final int N = policy.mAdminList.size(); 7479 for (int j = 0; j < N; j++) { 7480 ActiveAdmin admin = policy.mAdminList.get(j); 7481 List<String> fromAdmin = admin.permittedInputMethods; 7482 if (fromAdmin != null) { 7483 if (result == null) { 7484 result = new ArrayList<String>(fromAdmin); 7485 } else { 7486 result.retainAll(fromAdmin); 7487 } 7488 } 7489 } 7490 } 7491 7492 // If we have a permitted list add all system input methods. 7493 if (result != null) { 7494 InputMethodManager inputMethodManager = 7495 mContext.getSystemService(InputMethodManager.class); 7496 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 7497 long id = mInjector.binderClearCallingIdentity(); 7498 try { 7499 if (imes != null) { 7500 for (InputMethodInfo ime : imes) { 7501 ServiceInfo serviceInfo = ime.getServiceInfo(); 7502 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7503 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7504 result.add(serviceInfo.packageName); 7505 } 7506 } 7507 } 7508 } finally { 7509 mInjector.binderRestoreCallingIdentity(id); 7510 } 7511 } 7512 return result; 7513 } 7514 } 7515 7516 @Override 7517 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 7518 int userHandle) { 7519 if (!mHasFeature) { 7520 return true; 7521 } 7522 Preconditions.checkNotNull(who, "ComponentName is null"); 7523 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7524 if (!isCallerWithSystemUid()) { 7525 throw new SecurityException( 7526 "Only the system can query if an input method is disabled by admin"); 7527 } 7528 synchronized (this) { 7529 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7530 if (admin == null) { 7531 return false; 7532 } 7533 if (admin.permittedInputMethods == null) { 7534 return true; 7535 } 7536 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7537 admin.permittedInputMethods, userHandle); 7538 } 7539 } 7540 7541 private void sendAdminEnabledBroadcastLocked(int userHandle) { 7542 DevicePolicyData policyData = getUserData(userHandle); 7543 if (policyData.mAdminBroadcastPending) { 7544 // Send the initialization data to profile owner and delete the data 7545 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 7546 if (admin != null) { 7547 PersistableBundle initBundle = policyData.mInitBundle; 7548 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 7549 initBundle == null ? null : new Bundle(initBundle), null); 7550 } 7551 policyData.mInitBundle = null; 7552 policyData.mAdminBroadcastPending = false; 7553 saveSettingsLocked(userHandle); 7554 } 7555 } 7556 7557 @Override 7558 public UserHandle createAndManageUser(ComponentName admin, String name, 7559 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 7560 Preconditions.checkNotNull(admin, "admin is null"); 7561 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 7562 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 7563 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 7564 + admin + " are not in the same package"); 7565 } 7566 // Only allow the system user to use this method 7567 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 7568 throw new SecurityException("createAndManageUser was called from non-system user"); 7569 } 7570 if (!mInjector.userManagerIsSplitSystemUser() 7571 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7572 throw new IllegalArgumentException( 7573 "Ephemeral users are only supported on systems with a split system user."); 7574 } 7575 // Create user. 7576 UserHandle user = null; 7577 synchronized (this) { 7578 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7579 7580 final long id = mInjector.binderClearCallingIdentity(); 7581 try { 7582 int userInfoFlags = 0; 7583 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7584 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 7585 } 7586 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 7587 userInfoFlags); 7588 if (userInfo != null) { 7589 user = userInfo.getUserHandle(); 7590 } 7591 } finally { 7592 mInjector.binderRestoreCallingIdentity(id); 7593 } 7594 } 7595 if (user == null) { 7596 return null; 7597 } 7598 // Set admin. 7599 final long id = mInjector.binderClearCallingIdentity(); 7600 try { 7601 final String adminPkg = admin.getPackageName(); 7602 7603 final int userHandle = user.getIdentifier(); 7604 try { 7605 // Install the profile owner if not present. 7606 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 7607 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle, 7608 PackageManager.INSTALL_REASON_POLICY); 7609 } 7610 } catch (RemoteException e) { 7611 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 7612 + "removing created user", e); 7613 mUserManager.removeUser(user.getIdentifier()); 7614 return null; 7615 } 7616 7617 setActiveAdmin(profileOwner, true, userHandle); 7618 // User is not started yet, the broadcast by setActiveAdmin will not be received. 7619 // So we store adminExtras for broadcasting when the user starts for first time. 7620 synchronized(this) { 7621 DevicePolicyData policyData = getUserData(userHandle); 7622 policyData.mInitBundle = adminExtras; 7623 policyData.mAdminBroadcastPending = true; 7624 saveSettingsLocked(userHandle); 7625 } 7626 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 7627 setProfileOwner(profileOwner, ownerName, userHandle); 7628 7629 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 7630 Settings.Secure.putIntForUser(mContext.getContentResolver(), 7631 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 7632 } 7633 7634 return user; 7635 } finally { 7636 mInjector.binderRestoreCallingIdentity(id); 7637 } 7638 } 7639 7640 @Override 7641 public boolean removeUser(ComponentName who, UserHandle userHandle) { 7642 Preconditions.checkNotNull(who, "ComponentName is null"); 7643 synchronized (this) { 7644 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7645 } 7646 7647 final int callingUserId = mInjector.userHandleGetCallingUserId(); 7648 final long id = mInjector.binderClearCallingIdentity(); 7649 try { 7650 String restriction = isManagedProfile(userHandle.getIdentifier()) 7651 ? UserManager.DISALLOW_REMOVE_MANAGED_PROFILE 7652 : UserManager.DISALLOW_REMOVE_USER; 7653 if (isAdminAffectedByRestriction(who, restriction, callingUserId)) { 7654 Log.w(LOG_TAG, "The device owner cannot remove a user because " 7655 + restriction + " is enabled, and was not set by the device owner"); 7656 return false; 7657 } 7658 return mUserManagerInternal.removeUserEvenWhenDisallowed(userHandle.getIdentifier()); 7659 } finally { 7660 mInjector.binderRestoreCallingIdentity(id); 7661 } 7662 } 7663 7664 private boolean isAdminAffectedByRestriction( 7665 ComponentName admin, String userRestriction, int userId) { 7666 switch(mUserManager.getUserRestrictionSource(userRestriction, UserHandle.of(userId))) { 7667 case UserManager.RESTRICTION_NOT_SET: 7668 return false; 7669 case UserManager.RESTRICTION_SOURCE_DEVICE_OWNER: 7670 return !isDeviceOwner(admin, userId); 7671 case UserManager.RESTRICTION_SOURCE_PROFILE_OWNER: 7672 return !isProfileOwner(admin, userId); 7673 default: 7674 return true; 7675 } 7676 } 7677 7678 @Override 7679 public boolean switchUser(ComponentName who, UserHandle userHandle) { 7680 Preconditions.checkNotNull(who, "ComponentName is null"); 7681 synchronized (this) { 7682 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7683 7684 long id = mInjector.binderClearCallingIdentity(); 7685 try { 7686 int userId = UserHandle.USER_SYSTEM; 7687 if (userHandle != null) { 7688 userId = userHandle.getIdentifier(); 7689 } 7690 return mInjector.getIActivityManager().switchUser(userId); 7691 } catch (RemoteException e) { 7692 Log.e(LOG_TAG, "Couldn't switch user", e); 7693 return false; 7694 } finally { 7695 mInjector.binderRestoreCallingIdentity(id); 7696 } 7697 } 7698 } 7699 7700 @Override 7701 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 7702 enforceCanManageApplicationRestrictions(who); 7703 7704 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7705 final long id = mInjector.binderClearCallingIdentity(); 7706 try { 7707 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 7708 // if no restrictions were saved, mUserManager.getApplicationRestrictions 7709 // returns null, but DPM method should return an empty Bundle as per JavaDoc 7710 return bundle != null ? bundle : Bundle.EMPTY; 7711 } finally { 7712 mInjector.binderRestoreCallingIdentity(id); 7713 } 7714 } 7715 7716 @Override 7717 public String[] setPackagesSuspended(ComponentName who, String[] packageNames, 7718 boolean suspended) { 7719 Preconditions.checkNotNull(who, "ComponentName is null"); 7720 int callingUserId = UserHandle.getCallingUserId(); 7721 synchronized (this) { 7722 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7723 7724 long id = mInjector.binderClearCallingIdentity(); 7725 try { 7726 return mIPackageManager.setPackagesSuspendedAsUser( 7727 packageNames, suspended, callingUserId); 7728 } catch (RemoteException re) { 7729 // Shouldn't happen. 7730 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7731 } finally { 7732 mInjector.binderRestoreCallingIdentity(id); 7733 } 7734 return packageNames; 7735 } 7736 } 7737 7738 @Override 7739 public boolean isPackageSuspended(ComponentName who, String packageName) { 7740 Preconditions.checkNotNull(who, "ComponentName is null"); 7741 int callingUserId = UserHandle.getCallingUserId(); 7742 synchronized (this) { 7743 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7744 7745 long id = mInjector.binderClearCallingIdentity(); 7746 try { 7747 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 7748 } catch (RemoteException re) { 7749 // Shouldn't happen. 7750 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 7751 } finally { 7752 mInjector.binderRestoreCallingIdentity(id); 7753 } 7754 return false; 7755 } 7756 } 7757 7758 @Override 7759 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 7760 Preconditions.checkNotNull(who, "ComponentName is null"); 7761 if (!UserRestrictionsUtils.isValidRestriction(key)) { 7762 return; 7763 } 7764 7765 final int userHandle = mInjector.userHandleGetCallingUserId(); 7766 synchronized (this) { 7767 final ActiveAdmin activeAdmin = 7768 getActiveAdminForCallerLocked(who, 7769 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7770 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 7771 if (isDeviceOwner) { 7772 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 7773 throw new SecurityException("Device owner cannot set user restriction " + key); 7774 } 7775 } else { // profile owner 7776 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 7777 throw new SecurityException("Profile owner cannot set user restriction " + key); 7778 } 7779 } 7780 7781 // Save the restriction to ActiveAdmin. 7782 final Bundle restrictions = activeAdmin.ensureUserRestrictions(); 7783 if (enabledFromThisOwner) { 7784 restrictions.putBoolean(key, true); 7785 } else { 7786 restrictions.remove(key); 7787 } 7788 saveUserRestrictionsLocked(userHandle); 7789 } 7790 } 7791 7792 private void saveUserRestrictionsLocked(int userId) { 7793 saveSettingsLocked(userId); 7794 pushUserRestrictions(userId); 7795 sendChangedNotification(userId); 7796 } 7797 7798 private void pushUserRestrictions(int userId) { 7799 synchronized (this) { 7800 final boolean isDeviceOwner = mOwners.isDeviceOwnerUserId(userId); 7801 final Bundle userRestrictions; 7802 // Whether device owner enforces camera restriction. 7803 boolean disallowCameraGlobally = false; 7804 7805 if (isDeviceOwner) { 7806 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 7807 if (deviceOwner == null) { 7808 return; // Shouldn't happen. 7809 } 7810 userRestrictions = deviceOwner.userRestrictions; 7811 // DO can disable camera globally. 7812 disallowCameraGlobally = deviceOwner.disableCamera; 7813 } else { 7814 final ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 7815 userRestrictions = profileOwner != null ? profileOwner.userRestrictions : null; 7816 } 7817 7818 // Whether any admin enforces camera restriction. 7819 final int cameraRestrictionScope = 7820 getCameraRestrictionScopeLocked(userId, disallowCameraGlobally); 7821 7822 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, userRestrictions, 7823 isDeviceOwner, cameraRestrictionScope); 7824 } 7825 } 7826 7827 /** 7828 * Get the scope of camera restriction for a given user if any. 7829 */ 7830 private int getCameraRestrictionScopeLocked(int userId, boolean disallowCameraGlobally) { 7831 if (disallowCameraGlobally) { 7832 return UserManagerInternal.CAMERA_DISABLED_GLOBALLY; 7833 } else if (getCameraDisabled( 7834 /* who= */ null, userId, /* mergeDeviceOwnerRestriction= */ false)) { 7835 return UserManagerInternal.CAMERA_DISABLED_LOCALLY; 7836 } 7837 return UserManagerInternal.CAMERA_NOT_DISABLED; 7838 } 7839 7840 @Override 7841 public Bundle getUserRestrictions(ComponentName who) { 7842 if (!mHasFeature) { 7843 return null; 7844 } 7845 Preconditions.checkNotNull(who, "ComponentName is null"); 7846 synchronized (this) { 7847 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 7848 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7849 return activeAdmin.userRestrictions; 7850 } 7851 } 7852 7853 @Override 7854 public boolean setApplicationHidden(ComponentName who, String packageName, 7855 boolean hidden) { 7856 Preconditions.checkNotNull(who, "ComponentName is null"); 7857 int callingUserId = UserHandle.getCallingUserId(); 7858 synchronized (this) { 7859 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7860 7861 long id = mInjector.binderClearCallingIdentity(); 7862 try { 7863 return mIPackageManager.setApplicationHiddenSettingAsUser( 7864 packageName, hidden, callingUserId); 7865 } catch (RemoteException re) { 7866 // shouldn't happen 7867 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 7868 } finally { 7869 mInjector.binderRestoreCallingIdentity(id); 7870 } 7871 return false; 7872 } 7873 } 7874 7875 @Override 7876 public boolean isApplicationHidden(ComponentName who, String packageName) { 7877 Preconditions.checkNotNull(who, "ComponentName is null"); 7878 int callingUserId = UserHandle.getCallingUserId(); 7879 synchronized (this) { 7880 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7881 7882 long id = mInjector.binderClearCallingIdentity(); 7883 try { 7884 return mIPackageManager.getApplicationHiddenSettingAsUser( 7885 packageName, callingUserId); 7886 } catch (RemoteException re) { 7887 // shouldn't happen 7888 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 7889 } finally { 7890 mInjector.binderRestoreCallingIdentity(id); 7891 } 7892 return false; 7893 } 7894 } 7895 7896 @Override 7897 public void enableSystemApp(ComponentName who, String packageName) { 7898 Preconditions.checkNotNull(who, "ComponentName is null"); 7899 synchronized (this) { 7900 // This API can only be called by an active device admin, 7901 // so try to retrieve it to check that the caller is one. 7902 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7903 7904 int userId = UserHandle.getCallingUserId(); 7905 long id = mInjector.binderClearCallingIdentity(); 7906 7907 try { 7908 if (VERBOSE_LOG) { 7909 Slog.v(LOG_TAG, "installing " + packageName + " for " 7910 + userId); 7911 } 7912 7913 int parentUserId = getProfileParentId(userId); 7914 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 7915 throw new IllegalArgumentException("Only system apps can be enabled this way."); 7916 } 7917 7918 // Install the app. 7919 mIPackageManager.installExistingPackageAsUser(packageName, userId, 7920 PackageManager.INSTALL_REASON_POLICY); 7921 7922 } catch (RemoteException re) { 7923 // shouldn't happen 7924 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 7925 } finally { 7926 mInjector.binderRestoreCallingIdentity(id); 7927 } 7928 } 7929 } 7930 7931 @Override 7932 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 7933 Preconditions.checkNotNull(who, "ComponentName is null"); 7934 synchronized (this) { 7935 // This API can only be called by an active device admin, 7936 // so try to retrieve it to check that the caller is one. 7937 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7938 7939 int userId = UserHandle.getCallingUserId(); 7940 long id = mInjector.binderClearCallingIdentity(); 7941 7942 try { 7943 int parentUserId = getProfileParentId(userId); 7944 List<ResolveInfo> activitiesToEnable = mIPackageManager 7945 .queryIntentActivities(intent, 7946 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 7947 PackageManager.MATCH_DIRECT_BOOT_AWARE 7948 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 7949 parentUserId) 7950 .getList(); 7951 7952 if (VERBOSE_LOG) { 7953 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 7954 } 7955 int numberOfAppsInstalled = 0; 7956 if (activitiesToEnable != null) { 7957 for (ResolveInfo info : activitiesToEnable) { 7958 if (info.activityInfo != null) { 7959 String packageName = info.activityInfo.packageName; 7960 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 7961 numberOfAppsInstalled++; 7962 mIPackageManager.installExistingPackageAsUser(packageName, userId, 7963 PackageManager.INSTALL_REASON_POLICY); 7964 } else { 7965 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 7966 + " system app"); 7967 } 7968 } 7969 } 7970 } 7971 return numberOfAppsInstalled; 7972 } catch (RemoteException e) { 7973 // shouldn't happen 7974 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 7975 return 0; 7976 } finally { 7977 mInjector.binderRestoreCallingIdentity(id); 7978 } 7979 } 7980 } 7981 7982 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 7983 throws RemoteException { 7984 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, MATCH_UNINSTALLED_PACKAGES, 7985 userId); 7986 if (appInfo == null) { 7987 throw new IllegalArgumentException("The application " + packageName + 7988 " is not present on this device"); 7989 } 7990 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7991 } 7992 7993 @Override 7994 public void setAccountManagementDisabled(ComponentName who, String accountType, 7995 boolean disabled) { 7996 if (!mHasFeature) { 7997 return; 7998 } 7999 Preconditions.checkNotNull(who, "ComponentName is null"); 8000 synchronized (this) { 8001 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 8002 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8003 if (disabled) { 8004 ap.accountTypesWithManagementDisabled.add(accountType); 8005 } else { 8006 ap.accountTypesWithManagementDisabled.remove(accountType); 8007 } 8008 saveSettingsLocked(UserHandle.getCallingUserId()); 8009 } 8010 } 8011 8012 @Override 8013 public String[] getAccountTypesWithManagementDisabled() { 8014 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 8015 } 8016 8017 @Override 8018 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 8019 enforceFullCrossUsersPermission(userId); 8020 if (!mHasFeature) { 8021 return null; 8022 } 8023 synchronized (this) { 8024 DevicePolicyData policy = getUserData(userId); 8025 final int N = policy.mAdminList.size(); 8026 ArraySet<String> resultSet = new ArraySet<>(); 8027 for (int i = 0; i < N; i++) { 8028 ActiveAdmin admin = policy.mAdminList.get(i); 8029 resultSet.addAll(admin.accountTypesWithManagementDisabled); 8030 } 8031 return resultSet.toArray(new String[resultSet.size()]); 8032 } 8033 } 8034 8035 @Override 8036 public void setUninstallBlocked(ComponentName who, String packageName, 8037 boolean uninstallBlocked) { 8038 Preconditions.checkNotNull(who, "ComponentName is null"); 8039 final int userId = UserHandle.getCallingUserId(); 8040 synchronized (this) { 8041 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8042 8043 long id = mInjector.binderClearCallingIdentity(); 8044 try { 8045 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 8046 } catch (RemoteException re) { 8047 // Shouldn't happen. 8048 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 8049 } finally { 8050 mInjector.binderRestoreCallingIdentity(id); 8051 } 8052 } 8053 } 8054 8055 @Override 8056 public boolean isUninstallBlocked(ComponentName who, String packageName) { 8057 // This function should return true if and only if the package is blocked by 8058 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 8059 // when the package is a system app, or when it is an active device admin. 8060 final int userId = UserHandle.getCallingUserId(); 8061 8062 synchronized (this) { 8063 if (who != null) { 8064 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8065 } 8066 8067 long id = mInjector.binderClearCallingIdentity(); 8068 try { 8069 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 8070 } catch (RemoteException re) { 8071 // Shouldn't happen. 8072 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 8073 } finally { 8074 mInjector.binderRestoreCallingIdentity(id); 8075 } 8076 } 8077 return false; 8078 } 8079 8080 @Override 8081 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 8082 if (!mHasFeature) { 8083 return; 8084 } 8085 Preconditions.checkNotNull(who, "ComponentName is null"); 8086 synchronized (this) { 8087 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8088 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8089 if (admin.disableCallerId != disabled) { 8090 admin.disableCallerId = disabled; 8091 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8092 } 8093 } 8094 } 8095 8096 @Override 8097 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 8098 if (!mHasFeature) { 8099 return false; 8100 } 8101 Preconditions.checkNotNull(who, "ComponentName is null"); 8102 synchronized (this) { 8103 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8104 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8105 return admin.disableCallerId; 8106 } 8107 } 8108 8109 @Override 8110 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 8111 enforceCrossUsersPermission(userId); 8112 synchronized (this) { 8113 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8114 return (admin != null) ? admin.disableCallerId : false; 8115 } 8116 } 8117 8118 @Override 8119 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 8120 if (!mHasFeature) { 8121 return; 8122 } 8123 Preconditions.checkNotNull(who, "ComponentName is null"); 8124 synchronized (this) { 8125 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8126 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8127 if (admin.disableContactsSearch != disabled) { 8128 admin.disableContactsSearch = disabled; 8129 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8130 } 8131 } 8132 } 8133 8134 @Override 8135 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 8136 if (!mHasFeature) { 8137 return false; 8138 } 8139 Preconditions.checkNotNull(who, "ComponentName is null"); 8140 synchronized (this) { 8141 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8142 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8143 return admin.disableContactsSearch; 8144 } 8145 } 8146 8147 @Override 8148 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 8149 enforceCrossUsersPermission(userId); 8150 synchronized (this) { 8151 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8152 return (admin != null) ? admin.disableContactsSearch : false; 8153 } 8154 } 8155 8156 @Override 8157 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 8158 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 8159 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 8160 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 8161 final int callingUserId = UserHandle.getCallingUserId(); 8162 8163 final long ident = mInjector.binderClearCallingIdentity(); 8164 try { 8165 synchronized (this) { 8166 final int managedUserId = getManagedUserId(callingUserId); 8167 if (managedUserId < 0) { 8168 return; 8169 } 8170 if (isCrossProfileQuickContactDisabled(managedUserId)) { 8171 if (VERBOSE_LOG) { 8172 Log.v(LOG_TAG, 8173 "Cross-profile contacts access disabled for user " + managedUserId); 8174 } 8175 return; 8176 } 8177 ContactsInternal.startQuickContactWithErrorToastForUser( 8178 mContext, intent, new UserHandle(managedUserId)); 8179 } 8180 } finally { 8181 mInjector.binderRestoreCallingIdentity(ident); 8182 } 8183 } 8184 8185 /** 8186 * @return true if cross-profile QuickContact is disabled 8187 */ 8188 private boolean isCrossProfileQuickContactDisabled(int userId) { 8189 return getCrossProfileCallerIdDisabledForUser(userId) 8190 && getCrossProfileContactsSearchDisabledForUser(userId); 8191 } 8192 8193 /** 8194 * @return the user ID of the managed user that is linked to the current user, if any. 8195 * Otherwise -1. 8196 */ 8197 public int getManagedUserId(int callingUserId) { 8198 if (VERBOSE_LOG) { 8199 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 8200 } 8201 8202 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 8203 if (ui.id == callingUserId || !ui.isManagedProfile()) { 8204 continue; // Caller user self, or not a managed profile. Skip. 8205 } 8206 if (VERBOSE_LOG) { 8207 Log.v(LOG_TAG, "Managed user=" + ui.id); 8208 } 8209 return ui.id; 8210 } 8211 if (VERBOSE_LOG) { 8212 Log.v(LOG_TAG, "Managed user not found."); 8213 } 8214 return -1; 8215 } 8216 8217 @Override 8218 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 8219 if (!mHasFeature) { 8220 return; 8221 } 8222 Preconditions.checkNotNull(who, "ComponentName is null"); 8223 synchronized (this) { 8224 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8225 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8226 if (admin.disableBluetoothContactSharing != disabled) { 8227 admin.disableBluetoothContactSharing = disabled; 8228 saveSettingsLocked(UserHandle.getCallingUserId()); 8229 } 8230 } 8231 } 8232 8233 @Override 8234 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 8235 if (!mHasFeature) { 8236 return false; 8237 } 8238 Preconditions.checkNotNull(who, "ComponentName is null"); 8239 synchronized (this) { 8240 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8241 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8242 return admin.disableBluetoothContactSharing; 8243 } 8244 } 8245 8246 @Override 8247 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 8248 // TODO: Should there be a check to make sure this relationship is 8249 // within a profile group? 8250 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 8251 synchronized (this) { 8252 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8253 return (admin != null) ? admin.disableBluetoothContactSharing : false; 8254 } 8255 } 8256 8257 /** 8258 * Sets which packages may enter lock task mode. 8259 * 8260 * <p>This function can only be called by the device owner or alternatively by the profile owner 8261 * in case the user is affiliated. 8262 * 8263 * @param packages The list of packages allowed to enter lock task mode. 8264 */ 8265 @Override 8266 public void setLockTaskPackages(ComponentName who, String[] packages) 8267 throws SecurityException { 8268 Preconditions.checkNotNull(who, "ComponentName is null"); 8269 8270 synchronized (this) { 8271 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8272 final int userHandle = mInjector.userHandleGetCallingUserId(); 8273 if (isUserAffiliatedWithDevice(userHandle)) { 8274 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 8275 } else { 8276 throw new SecurityException("Admin " + who + 8277 " is neither the device owner or affiliated user's profile owner."); 8278 } 8279 } 8280 } 8281 8282 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 8283 DevicePolicyData policy = getUserData(userHandle); 8284 policy.mLockTaskPackages = packages; 8285 8286 // Store the settings persistently. 8287 saveSettingsLocked(userHandle); 8288 updateLockTaskPackagesLocked(packages, userHandle); 8289 } 8290 8291 /** 8292 * This function returns the list of components allowed to start the task lock mode. 8293 */ 8294 @Override 8295 public String[] getLockTaskPackages(ComponentName who) { 8296 Preconditions.checkNotNull(who, "ComponentName is null"); 8297 synchronized (this) { 8298 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8299 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 8300 final List<String> packages = getLockTaskPackagesLocked(userHandle); 8301 return packages.toArray(new String[packages.size()]); 8302 } 8303 } 8304 8305 private List<String> getLockTaskPackagesLocked(int userHandle) { 8306 final DevicePolicyData policy = getUserData(userHandle); 8307 return policy.mLockTaskPackages; 8308 } 8309 8310 /** 8311 * This function lets the caller know whether the given package is allowed to start the 8312 * lock task mode. 8313 * @param pkg The package to check 8314 */ 8315 @Override 8316 public boolean isLockTaskPermitted(String pkg) { 8317 // Get current user's devicepolicy 8318 int uid = mInjector.binderGetCallingUid(); 8319 int userHandle = UserHandle.getUserId(uid); 8320 DevicePolicyData policy = getUserData(userHandle); 8321 synchronized (this) { 8322 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 8323 String lockTaskPackage = policy.mLockTaskPackages.get(i); 8324 8325 // If the given package equals one of the packages stored our list, 8326 // we allow this package to start lock task mode. 8327 if (lockTaskPackage.equals(pkg)) { 8328 return true; 8329 } 8330 } 8331 } 8332 return false; 8333 } 8334 8335 @Override 8336 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 8337 if (!isCallerWithSystemUid()) { 8338 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 8339 } 8340 synchronized (this) { 8341 final DevicePolicyData policy = getUserData(userHandle); 8342 Bundle adminExtras = new Bundle(); 8343 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 8344 for (ActiveAdmin admin : policy.mAdminList) { 8345 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 8346 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 8347 if (ownsDevice || ownsProfile) { 8348 if (isEnabled) { 8349 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 8350 adminExtras, null); 8351 } else { 8352 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 8353 } 8354 } 8355 } 8356 } 8357 } 8358 8359 @Override 8360 public void setGlobalSetting(ComponentName who, String setting, String value) { 8361 Preconditions.checkNotNull(who, "ComponentName is null"); 8362 8363 synchronized (this) { 8364 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8365 8366 // Some settings are no supported any more. However we do not want to throw a 8367 // SecurityException to avoid breaking apps. 8368 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 8369 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 8370 return; 8371 } 8372 8373 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 8374 throw new SecurityException(String.format( 8375 "Permission denial: device owners cannot update %1$s", setting)); 8376 } 8377 8378 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 8379 // ignore if it contradicts an existing policy 8380 long timeMs = getMaximumTimeToLock( 8381 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 8382 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 8383 return; 8384 } 8385 } 8386 8387 long id = mInjector.binderClearCallingIdentity(); 8388 try { 8389 mInjector.settingsGlobalPutString(setting, value); 8390 } finally { 8391 mInjector.binderRestoreCallingIdentity(id); 8392 } 8393 } 8394 } 8395 8396 @Override 8397 public void setSecureSetting(ComponentName who, String setting, String value) { 8398 Preconditions.checkNotNull(who, "ComponentName is null"); 8399 int callingUserId = mInjector.userHandleGetCallingUserId(); 8400 8401 synchronized (this) { 8402 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8403 8404 if (isDeviceOwner(who, callingUserId)) { 8405 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 8406 throw new SecurityException(String.format( 8407 "Permission denial: Device owners cannot update %1$s", setting)); 8408 } 8409 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 8410 throw new SecurityException(String.format( 8411 "Permission denial: Profile owners cannot update %1$s", setting)); 8412 } 8413 8414 long id = mInjector.binderClearCallingIdentity(); 8415 try { 8416 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 8417 } finally { 8418 mInjector.binderRestoreCallingIdentity(id); 8419 } 8420 } 8421 } 8422 8423 @Override 8424 public void setMasterVolumeMuted(ComponentName who, boolean on) { 8425 Preconditions.checkNotNull(who, "ComponentName is null"); 8426 synchronized (this) { 8427 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8428 setUserRestriction(who, UserManager.DISALLLOW_UNMUTE_DEVICE, on); 8429 } 8430 } 8431 8432 @Override 8433 public boolean isMasterVolumeMuted(ComponentName who) { 8434 Preconditions.checkNotNull(who, "ComponentName is null"); 8435 synchronized (this) { 8436 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8437 8438 AudioManager audioManager = 8439 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 8440 return audioManager.isMasterMute(); 8441 } 8442 } 8443 8444 @Override 8445 public void setUserIcon(ComponentName who, Bitmap icon) { 8446 synchronized (this) { 8447 Preconditions.checkNotNull(who, "ComponentName is null"); 8448 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8449 8450 int userId = UserHandle.getCallingUserId(); 8451 long id = mInjector.binderClearCallingIdentity(); 8452 try { 8453 mUserManagerInternal.setUserIcon(userId, icon); 8454 } finally { 8455 mInjector.binderRestoreCallingIdentity(id); 8456 } 8457 } 8458 } 8459 8460 @Override 8461 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 8462 Preconditions.checkNotNull(who, "ComponentName is null"); 8463 synchronized (this) { 8464 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8465 } 8466 final int userId = UserHandle.getCallingUserId(); 8467 8468 long ident = mInjector.binderClearCallingIdentity(); 8469 try { 8470 // disallow disabling the keyguard if a password is currently set 8471 if (disabled && mLockPatternUtils.isSecure(userId)) { 8472 return false; 8473 } 8474 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 8475 } finally { 8476 mInjector.binderRestoreCallingIdentity(ident); 8477 } 8478 return true; 8479 } 8480 8481 @Override 8482 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 8483 int userId = UserHandle.getCallingUserId(); 8484 synchronized (this) { 8485 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8486 DevicePolicyData policy = getUserData(userId); 8487 if (policy.mStatusBarDisabled != disabled) { 8488 if (!setStatusBarDisabledInternal(disabled, userId)) { 8489 return false; 8490 } 8491 policy.mStatusBarDisabled = disabled; 8492 saveSettingsLocked(userId); 8493 } 8494 } 8495 return true; 8496 } 8497 8498 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 8499 long ident = mInjector.binderClearCallingIdentity(); 8500 try { 8501 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 8502 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 8503 if (statusBarService != null) { 8504 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 8505 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 8506 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 8507 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 8508 return true; 8509 } 8510 } catch (RemoteException e) { 8511 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 8512 } finally { 8513 mInjector.binderRestoreCallingIdentity(ident); 8514 } 8515 return false; 8516 } 8517 8518 /** 8519 * We need to update the internal state of whether a user has completed setup or a 8520 * device has paired once. After that, we ignore any changes that reset the 8521 * Settings.Secure.USER_SETUP_COMPLETE or Settings.Secure.DEVICE_PAIRED change 8522 * as we don't trust any apps that might try to reset them. 8523 * <p> 8524 * Unfortunately, we don't know which user's setup state was changed, so we write all of 8525 * them. 8526 */ 8527 void updateUserSetupCompleteAndPaired() { 8528 List<UserInfo> users = mUserManager.getUsers(true); 8529 final int N = users.size(); 8530 for (int i = 0; i < N; i++) { 8531 int userHandle = users.get(i).id; 8532 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 8533 userHandle) != 0) { 8534 DevicePolicyData policy = getUserData(userHandle); 8535 if (!policy.mUserSetupComplete) { 8536 policy.mUserSetupComplete = true; 8537 synchronized (this) { 8538 saveSettingsLocked(userHandle); 8539 } 8540 } 8541 } 8542 if (mIsWatch && mInjector.settingsSecureGetIntForUser(Settings.Secure.DEVICE_PAIRED, 0, 8543 userHandle) != 0) { 8544 DevicePolicyData policy = getUserData(userHandle); 8545 if (!policy.mPaired) { 8546 policy.mPaired = true; 8547 synchronized (this) { 8548 saveSettingsLocked(userHandle); 8549 } 8550 } 8551 } 8552 } 8553 } 8554 8555 private class SetupContentObserver extends ContentObserver { 8556 8557 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 8558 Settings.Secure.USER_SETUP_COMPLETE); 8559 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 8560 Settings.Global.DEVICE_PROVISIONED); 8561 private final Uri mPaired = Settings.Secure.getUriFor(Settings.Secure.DEVICE_PAIRED); 8562 8563 public SetupContentObserver(Handler handler) { 8564 super(handler); 8565 } 8566 8567 void register() { 8568 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 8569 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 8570 if (mIsWatch) { 8571 mInjector.registerContentObserver(mPaired, false, this, UserHandle.USER_ALL); 8572 } 8573 } 8574 8575 @Override 8576 public void onChange(boolean selfChange, Uri uri) { 8577 if (mUserSetupComplete.equals(uri) || (mIsWatch && mPaired.equals(uri))) { 8578 updateUserSetupCompleteAndPaired(); 8579 } else if (mDeviceProvisioned.equals(uri)) { 8580 synchronized (DevicePolicyManagerService.this) { 8581 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 8582 // is delayed until device is marked as provisioned. 8583 setDeviceOwnerSystemPropertyLocked(); 8584 } 8585 } 8586 } 8587 } 8588 8589 @VisibleForTesting 8590 final class LocalService extends DevicePolicyManagerInternal { 8591 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 8592 8593 @Override 8594 public List<String> getCrossProfileWidgetProviders(int profileId) { 8595 synchronized (DevicePolicyManagerService.this) { 8596 if (mOwners == null) { 8597 return Collections.emptyList(); 8598 } 8599 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 8600 if (ownerComponent == null) { 8601 return Collections.emptyList(); 8602 } 8603 8604 DevicePolicyData policy = getUserDataUnchecked(profileId); 8605 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 8606 8607 if (admin == null || admin.crossProfileWidgetProviders == null 8608 || admin.crossProfileWidgetProviders.isEmpty()) { 8609 return Collections.emptyList(); 8610 } 8611 8612 return admin.crossProfileWidgetProviders; 8613 } 8614 } 8615 8616 @Override 8617 public void addOnCrossProfileWidgetProvidersChangeListener( 8618 OnCrossProfileWidgetProvidersChangeListener listener) { 8619 synchronized (DevicePolicyManagerService.this) { 8620 if (mWidgetProviderListeners == null) { 8621 mWidgetProviderListeners = new ArrayList<>(); 8622 } 8623 if (!mWidgetProviderListeners.contains(listener)) { 8624 mWidgetProviderListeners.add(listener); 8625 } 8626 } 8627 } 8628 8629 @Override 8630 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 8631 synchronized(DevicePolicyManagerService.this) { 8632 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 8633 } 8634 } 8635 8636 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 8637 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 8638 synchronized (DevicePolicyManagerService.this) { 8639 listeners = new ArrayList<>(mWidgetProviderListeners); 8640 } 8641 final int listenerCount = listeners.size(); 8642 for (int i = 0; i < listenerCount; i++) { 8643 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 8644 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 8645 } 8646 } 8647 8648 @Override 8649 public Intent createShowAdminSupportIntent(int userId, boolean useDefaultIfNoAdmin) { 8650 // This method is called from AM with its lock held, so don't take the DPMS lock. 8651 // b/29242568 8652 8653 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8654 if (profileOwner != null) { 8655 return createShowAdminSupportIntent(profileOwner, userId); 8656 } 8657 8658 final Pair<Integer, ComponentName> deviceOwner = 8659 mOwners.getDeviceOwnerUserIdAndComponent(); 8660 if (deviceOwner != null && deviceOwner.first == userId) { 8661 return createShowAdminSupportIntent(deviceOwner.second, userId); 8662 } 8663 8664 // We're not specifying the device admin because there isn't one. 8665 if (useDefaultIfNoAdmin) { 8666 return createShowAdminSupportIntent(null, userId); 8667 } 8668 return null; 8669 } 8670 8671 @Override 8672 public Intent createUserRestrictionSupportIntent(int userId, String userRestriction) { 8673 int source; 8674 long ident = mInjector.binderClearCallingIdentity(); 8675 try { 8676 source = mUserManager.getUserRestrictionSource(userRestriction, 8677 UserHandle.of(userId)); 8678 } finally { 8679 mInjector.binderRestoreCallingIdentity(ident); 8680 } 8681 if ((source & UserManager.RESTRICTION_SOURCE_SYSTEM) != 0) { 8682 /* 8683 * In this case, the user restriction is enforced by the system. 8684 * So we won't show an admin support intent, even if it is also 8685 * enforced by a profile/device owner. 8686 */ 8687 return null; 8688 } 8689 boolean enforcedByDo = (source & UserManager.RESTRICTION_SOURCE_DEVICE_OWNER) != 0; 8690 boolean enforcedByPo = (source & UserManager.RESTRICTION_SOURCE_PROFILE_OWNER) != 0; 8691 if (enforcedByDo && enforcedByPo) { 8692 // In this case, we'll show an admin support dialog that does not 8693 // specify the admin. 8694 return createShowAdminSupportIntent(null, userId); 8695 } else if (enforcedByPo) { 8696 final ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8697 if (profileOwner != null) { 8698 return createShowAdminSupportIntent(profileOwner, userId); 8699 } 8700 // This could happen if another thread has changed the profile owner since we called 8701 // getUserRestrictionSource 8702 return null; 8703 } else if (enforcedByDo) { 8704 final Pair<Integer, ComponentName> deviceOwner 8705 = mOwners.getDeviceOwnerUserIdAndComponent(); 8706 if (deviceOwner != null) { 8707 return createShowAdminSupportIntent(deviceOwner.second, deviceOwner.first); 8708 } 8709 // This could happen if another thread has changed the device owner since we called 8710 // getUserRestrictionSource 8711 return null; 8712 } 8713 return null; 8714 } 8715 8716 private Intent createShowAdminSupportIntent(ComponentName admin, int userId) { 8717 // This method is called with AMS lock held, so don't take DPMS lock 8718 final Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 8719 intent.putExtra(Intent.EXTRA_USER_ID, userId); 8720 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, admin); 8721 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 8722 return intent; 8723 } 8724 } 8725 8726 /** 8727 * Returns true if specified admin is allowed to limit passwords and has a 8728 * {@code minimumPasswordMetrics.quality} of at least {@code minPasswordQuality} 8729 */ 8730 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 8731 if (admin.minimumPasswordMetrics.quality < minPasswordQuality) { 8732 return false; 8733 } 8734 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 8735 } 8736 8737 @Override 8738 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 8739 if (policy != null && !policy.isValid()) { 8740 throw new IllegalArgumentException("Invalid system update policy."); 8741 } 8742 synchronized (this) { 8743 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8744 if (policy == null) { 8745 mOwners.clearSystemUpdatePolicy(); 8746 } else { 8747 mOwners.setSystemUpdatePolicy(policy); 8748 } 8749 mOwners.writeDeviceOwner(); 8750 } 8751 mContext.sendBroadcastAsUser( 8752 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 8753 UserHandle.SYSTEM); 8754 } 8755 8756 @Override 8757 public SystemUpdatePolicy getSystemUpdatePolicy() { 8758 if (UserManager.isDeviceInDemoMode(mContext)) { 8759 // Pretending to have an automatic update policy when the device is in retail demo 8760 // mode. This will allow the device to download and install an ota without 8761 // any user interaction. 8762 return SystemUpdatePolicy.createAutomaticInstallPolicy(); 8763 } 8764 synchronized (this) { 8765 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 8766 if (policy != null && !policy.isValid()) { 8767 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 8768 return null; 8769 } 8770 return policy; 8771 } 8772 } 8773 8774 /** 8775 * Checks if the caller of the method is the device owner app. 8776 * 8777 * @param callerUid UID of the caller. 8778 * @return true if the caller is the device owner app 8779 */ 8780 @VisibleForTesting 8781 boolean isCallerDeviceOwner(int callerUid) { 8782 synchronized (this) { 8783 if (!mOwners.hasDeviceOwner()) { 8784 return false; 8785 } 8786 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 8787 return false; 8788 } 8789 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 8790 .getPackageName(); 8791 final String[] pkgs = mInjector.getPackageManager().getPackagesForUid(callerUid); 8792 8793 for (String pkg : pkgs) { 8794 if (deviceOwnerPackageName.equals(pkg)) { 8795 return true; 8796 } 8797 } 8798 } 8799 8800 return false; 8801 } 8802 8803 @Override 8804 public void notifyPendingSystemUpdate(long updateReceivedTime) { 8805 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 8806 "Only the system update service can broadcast update information"); 8807 8808 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 8809 Slog.w(LOG_TAG, "Only the system update service in the system user " + 8810 "can broadcast update information."); 8811 return; 8812 } 8813 final Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 8814 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 8815 updateReceivedTime); 8816 8817 final long ident = mInjector.binderClearCallingIdentity(); 8818 try { 8819 synchronized (this) { 8820 // Broadcast to device owner first if there is one. 8821 if (mOwners.hasDeviceOwner()) { 8822 final UserHandle deviceOwnerUser = 8823 UserHandle.of(mOwners.getDeviceOwnerUserId()); 8824 intent.setComponent(mOwners.getDeviceOwnerComponent()); 8825 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 8826 } 8827 } 8828 // Get running users. 8829 final int runningUserIds[]; 8830 try { 8831 runningUserIds = mInjector.getIActivityManager().getRunningUserIds(); 8832 } catch (RemoteException e) { 8833 // Shouldn't happen. 8834 Log.e(LOG_TAG, "Could not retrieve the list of running users", e); 8835 return; 8836 } 8837 // Send broadcasts to corresponding profile owners if any. 8838 for (final int userId : runningUserIds) { 8839 synchronized (this) { 8840 final ComponentName profileOwnerPackage = 8841 mOwners.getProfileOwnerComponent(userId); 8842 if (profileOwnerPackage != null) { 8843 intent.setComponent(profileOwnerPackage); 8844 mContext.sendBroadcastAsUser(intent, UserHandle.of(userId)); 8845 } 8846 } 8847 } 8848 } finally { 8849 mInjector.binderRestoreCallingIdentity(ident); 8850 } 8851 } 8852 8853 @Override 8854 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 8855 int userId = UserHandle.getCallingUserId(); 8856 synchronized (this) { 8857 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8858 DevicePolicyData userPolicy = getUserData(userId); 8859 if (userPolicy.mPermissionPolicy != policy) { 8860 userPolicy.mPermissionPolicy = policy; 8861 saveSettingsLocked(userId); 8862 } 8863 } 8864 } 8865 8866 @Override 8867 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 8868 int userId = UserHandle.getCallingUserId(); 8869 synchronized (this) { 8870 DevicePolicyData userPolicy = getUserData(userId); 8871 return userPolicy.mPermissionPolicy; 8872 } 8873 } 8874 8875 @Override 8876 public boolean setPermissionGrantState(ComponentName admin, String packageName, 8877 String permission, int grantState) throws RemoteException { 8878 UserHandle user = mInjector.binderGetCallingUserHandle(); 8879 synchronized (this) { 8880 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8881 long ident = mInjector.binderClearCallingIdentity(); 8882 try { 8883 if (getTargetSdk(packageName, user.getIdentifier()) 8884 < android.os.Build.VERSION_CODES.M) { 8885 return false; 8886 } 8887 final PackageManager packageManager = mInjector.getPackageManager(); 8888 switch (grantState) { 8889 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 8890 mInjector.getPackageManagerInternal().grantRuntimePermission(packageName, 8891 permission, user.getIdentifier(), true /* override policy */); 8892 packageManager.updatePermissionFlags(permission, packageName, 8893 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8894 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8895 } break; 8896 8897 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 8898 mInjector.getPackageManagerInternal().revokeRuntimePermission(packageName, 8899 permission, user.getIdentifier(), true /* override policy */); 8900 packageManager.updatePermissionFlags(permission, packageName, 8901 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 8902 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 8903 } break; 8904 8905 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 8906 packageManager.updatePermissionFlags(permission, packageName, 8907 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 8908 } break; 8909 } 8910 return true; 8911 } catch (SecurityException se) { 8912 return false; 8913 } finally { 8914 mInjector.binderRestoreCallingIdentity(ident); 8915 } 8916 } 8917 } 8918 8919 @Override 8920 public int getPermissionGrantState(ComponentName admin, String packageName, 8921 String permission) throws RemoteException { 8922 PackageManager packageManager = mInjector.getPackageManager(); 8923 8924 UserHandle user = mInjector.binderGetCallingUserHandle(); 8925 synchronized (this) { 8926 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8927 long ident = mInjector.binderClearCallingIdentity(); 8928 try { 8929 int granted = mIPackageManager.checkPermission(permission, 8930 packageName, user.getIdentifier()); 8931 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 8932 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 8933 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 8934 // Not controlled by policy 8935 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 8936 } else { 8937 // Policy controlled so return result based on permission grant state 8938 return granted == PackageManager.PERMISSION_GRANTED 8939 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 8940 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 8941 } 8942 } finally { 8943 mInjector.binderRestoreCallingIdentity(ident); 8944 } 8945 } 8946 } 8947 8948 boolean isPackageInstalledForUser(String packageName, int userHandle) { 8949 try { 8950 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 8951 userHandle); 8952 return (pi != null) && (pi.applicationInfo.flags != 0); 8953 } catch (RemoteException re) { 8954 throw new RuntimeException("Package manager has died", re); 8955 } 8956 } 8957 8958 @Override 8959 public boolean isProvisioningAllowed(String action, String packageName) { 8960 Preconditions.checkNotNull(packageName); 8961 8962 final int callingUid = mInjector.binderGetCallingUid(); 8963 final long ident = mInjector.binderClearCallingIdentity(); 8964 try { 8965 final int uidForPackage = mInjector.getPackageManager().getPackageUidAsUser( 8966 packageName, UserHandle.getUserId(callingUid)); 8967 Preconditions.checkArgument(callingUid == uidForPackage, 8968 "Caller uid doesn't match the one for the provided package."); 8969 } catch (NameNotFoundException e) { 8970 throw new IllegalArgumentException("Invalid package provided " + packageName, e); 8971 } finally { 8972 mInjector.binderRestoreCallingIdentity(ident); 8973 } 8974 8975 return checkProvisioningPreConditionSkipPermission(action, packageName) == CODE_OK; 8976 } 8977 8978 @Override 8979 public int checkProvisioningPreCondition(String action, String packageName) { 8980 Preconditions.checkNotNull(packageName); 8981 enforceCanManageProfileAndDeviceOwners(); 8982 return checkProvisioningPreConditionSkipPermission(action, packageName); 8983 } 8984 8985 private int checkProvisioningPreConditionSkipPermission(String action, String packageName) { 8986 if (!mHasFeature) { 8987 return CODE_DEVICE_ADMIN_NOT_SUPPORTED; 8988 } 8989 8990 final int callingUserId = mInjector.userHandleGetCallingUserId(); 8991 if (action != null) { 8992 switch (action) { 8993 case DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE: 8994 return checkManagedProfileProvisioningPreCondition(packageName, callingUserId); 8995 case DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE: 8996 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 8997 case DevicePolicyManager.ACTION_PROVISION_MANAGED_USER: 8998 return checkManagedUserProvisioningPreCondition(callingUserId); 8999 case DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE: 9000 return checkManagedShareableDeviceProvisioningPreCondition(callingUserId); 9001 } 9002 } 9003 throw new IllegalArgumentException("Unknown provisioning action " + action); 9004 } 9005 9006 /** 9007 * The device owner can only be set before the setup phase of the primary user has completed, 9008 * except for adb command if no accounts or additional users are present on the device. 9009 */ 9010 private int checkDeviceOwnerProvisioningPreConditionLocked(@Nullable ComponentName owner, 9011 int deviceOwnerUserId, boolean isAdb, boolean hasIncompatibleAccountsOrNonAdb) { 9012 if (mOwners.hasDeviceOwner()) { 9013 return CODE_HAS_DEVICE_OWNER; 9014 } 9015 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 9016 return CODE_USER_HAS_PROFILE_OWNER; 9017 } 9018 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 9019 return CODE_USER_NOT_RUNNING; 9020 } 9021 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9022 return CODE_HAS_PAIRED; 9023 } 9024 if (isAdb) { 9025 // if shell command runs after user setup completed check device status. Otherwise, OK. 9026 if (mIsWatch || hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9027 if (!mInjector.userManagerIsSplitSystemUser()) { 9028 if (mUserManager.getUserCount() > 1) { 9029 return CODE_NONSYSTEM_USER_EXISTS; 9030 } 9031 if (hasIncompatibleAccountsOrNonAdb) { 9032 return CODE_ACCOUNTS_NOT_EMPTY; 9033 } 9034 } else { 9035 // STOPSHIP Do proper check in split user mode 9036 } 9037 } 9038 return CODE_OK; 9039 } else { 9040 if (!mInjector.userManagerIsSplitSystemUser()) { 9041 // In non-split user mode, DO has to be user 0 9042 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 9043 return CODE_NOT_SYSTEM_USER; 9044 } 9045 // In non-split user mode, only provision DO before setup wizard completes 9046 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9047 return CODE_USER_SETUP_COMPLETED; 9048 } 9049 } else { 9050 // STOPSHIP Do proper check in split user mode 9051 } 9052 return CODE_OK; 9053 } 9054 } 9055 9056 private int checkDeviceOwnerProvisioningPreCondition(int deviceOwnerUserId) { 9057 synchronized (this) { 9058 // hasIncompatibleAccountsOrNonAdb doesn't matter since the caller is not adb. 9059 return checkDeviceOwnerProvisioningPreConditionLocked(/* owner unknown */ null, 9060 deviceOwnerUserId, /* isAdb= */ false, 9061 /* hasIncompatibleAccountsOrNonAdb=*/ true); 9062 } 9063 } 9064 9065 private int checkManagedProfileProvisioningPreCondition(String packageName, int callingUserId) { 9066 if (!hasFeatureManagedUsers()) { 9067 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9068 } 9069 if (callingUserId == UserHandle.USER_SYSTEM 9070 && mInjector.userManagerIsSplitSystemUser()) { 9071 // Managed-profiles cannot be setup on the system user. 9072 return CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 9073 } 9074 if (getProfileOwner(callingUserId) != null) { 9075 // Managed user cannot have a managed profile. 9076 return CODE_USER_HAS_PROFILE_OWNER; 9077 } 9078 9079 final long ident = mInjector.binderClearCallingIdentity(); 9080 try { 9081 final UserHandle callingUserHandle = UserHandle.of(callingUserId); 9082 if (mUserManager.hasUserRestriction( 9083 UserManager.DISALLOW_ADD_MANAGED_PROFILE, callingUserHandle)) { 9084 // The DO can initiate provisioning if the restriction was set by the DO. 9085 if (!isDeviceOwnerPackage(packageName, callingUserId) 9086 || isAdminAffectedByRestriction(mOwners.getDeviceOwnerComponent(), 9087 UserManager.DISALLOW_ADD_MANAGED_PROFILE, callingUserId)) { 9088 // Caller is not DO or the restriction was set by the system. 9089 return CODE_ADD_MANAGED_PROFILE_DISALLOWED; 9090 } 9091 } 9092 9093 // TODO: Allow it if the caller is the DO? DO could just call removeUser() before 9094 // provisioning, so not strictly required... 9095 boolean canRemoveProfile = !mUserManager.hasUserRestriction( 9096 UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, callingUserHandle); 9097 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, canRemoveProfile)) { 9098 return CODE_CANNOT_ADD_MANAGED_PROFILE; 9099 } 9100 } finally { 9101 mInjector.binderRestoreCallingIdentity(ident); 9102 } 9103 return CODE_OK; 9104 } 9105 9106 private int checkManagedUserProvisioningPreCondition(int callingUserId) { 9107 if (!hasFeatureManagedUsers()) { 9108 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9109 } 9110 if (!mInjector.userManagerIsSplitSystemUser()) { 9111 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 9112 return CODE_NOT_SYSTEM_USER_SPLIT; 9113 } 9114 if (callingUserId == UserHandle.USER_SYSTEM) { 9115 // System user cannot be a managed user. 9116 return CODE_SYSTEM_USER; 9117 } 9118 if (hasUserSetupCompleted(callingUserId)) { 9119 return CODE_USER_SETUP_COMPLETED; 9120 } 9121 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9122 return CODE_HAS_PAIRED; 9123 } 9124 return CODE_OK; 9125 } 9126 9127 private int checkManagedShareableDeviceProvisioningPreCondition(int callingUserId) { 9128 if (!mInjector.userManagerIsSplitSystemUser()) { 9129 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 9130 return CODE_NOT_SYSTEM_USER_SPLIT; 9131 } 9132 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9133 } 9134 9135 private boolean hasFeatureManagedUsers() { 9136 try { 9137 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 9138 } catch (RemoteException e) { 9139 return false; 9140 } 9141 } 9142 9143 @Override 9144 public String getWifiMacAddress(ComponentName admin) { 9145 // Make sure caller has DO. 9146 synchronized (this) { 9147 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9148 } 9149 9150 final long ident = mInjector.binderClearCallingIdentity(); 9151 try { 9152 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 9153 if (wifiInfo == null) { 9154 return null; 9155 } 9156 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 9157 } finally { 9158 mInjector.binderRestoreCallingIdentity(ident); 9159 } 9160 } 9161 9162 /** 9163 * Returns the target sdk version number that the given packageName was built for 9164 * in the given user. 9165 */ 9166 private int getTargetSdk(String packageName, int userId) { 9167 final ApplicationInfo ai; 9168 try { 9169 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 9170 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 9171 return targetSdkVersion; 9172 } catch (RemoteException e) { 9173 // Shouldn't happen 9174 return 0; 9175 } 9176 } 9177 9178 @Override 9179 public boolean isManagedProfile(ComponentName admin) { 9180 synchronized (this) { 9181 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9182 } 9183 return isManagedProfile(mInjector.userHandleGetCallingUserId()); 9184 } 9185 9186 @Override 9187 public boolean isSystemOnlyUser(ComponentName admin) { 9188 synchronized (this) { 9189 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9190 } 9191 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9192 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 9193 } 9194 9195 @Override 9196 public void reboot(ComponentName admin) { 9197 Preconditions.checkNotNull(admin); 9198 // Make sure caller has DO. 9199 synchronized (this) { 9200 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9201 } 9202 long ident = mInjector.binderClearCallingIdentity(); 9203 try { 9204 // Make sure there are no ongoing calls on the device. 9205 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 9206 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 9207 } 9208 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 9209 } finally { 9210 mInjector.binderRestoreCallingIdentity(ident); 9211 } 9212 } 9213 9214 @Override 9215 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 9216 if (!mHasFeature) { 9217 return; 9218 } 9219 Preconditions.checkNotNull(who, "ComponentName is null"); 9220 final int userHandle = mInjector.userHandleGetCallingUserId(); 9221 synchronized (this) { 9222 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9223 mInjector.binderGetCallingUid()); 9224 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 9225 admin.shortSupportMessage = message; 9226 saveSettingsLocked(userHandle); 9227 } 9228 } 9229 } 9230 9231 @Override 9232 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 9233 if (!mHasFeature) { 9234 return null; 9235 } 9236 Preconditions.checkNotNull(who, "ComponentName is null"); 9237 synchronized (this) { 9238 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9239 mInjector.binderGetCallingUid()); 9240 return admin.shortSupportMessage; 9241 } 9242 } 9243 9244 @Override 9245 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 9246 if (!mHasFeature) { 9247 return; 9248 } 9249 Preconditions.checkNotNull(who, "ComponentName is null"); 9250 final int userHandle = mInjector.userHandleGetCallingUserId(); 9251 synchronized (this) { 9252 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9253 mInjector.binderGetCallingUid()); 9254 if (!TextUtils.equals(admin.longSupportMessage, message)) { 9255 admin.longSupportMessage = message; 9256 saveSettingsLocked(userHandle); 9257 } 9258 } 9259 } 9260 9261 @Override 9262 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 9263 if (!mHasFeature) { 9264 return null; 9265 } 9266 Preconditions.checkNotNull(who, "ComponentName is null"); 9267 synchronized (this) { 9268 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9269 mInjector.binderGetCallingUid()); 9270 return admin.longSupportMessage; 9271 } 9272 } 9273 9274 @Override 9275 public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9276 if (!mHasFeature) { 9277 return null; 9278 } 9279 Preconditions.checkNotNull(who, "ComponentName is null"); 9280 if (!isCallerWithSystemUid()) { 9281 throw new SecurityException("Only the system can query support message for user"); 9282 } 9283 synchronized (this) { 9284 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9285 if (admin != null) { 9286 return admin.shortSupportMessage; 9287 } 9288 } 9289 return null; 9290 } 9291 9292 @Override 9293 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9294 if (!mHasFeature) { 9295 return null; 9296 } 9297 Preconditions.checkNotNull(who, "ComponentName is null"); 9298 if (!isCallerWithSystemUid()) { 9299 throw new SecurityException("Only the system can query support message for user"); 9300 } 9301 synchronized (this) { 9302 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9303 if (admin != null) { 9304 return admin.longSupportMessage; 9305 } 9306 } 9307 return null; 9308 } 9309 9310 @Override 9311 public void setOrganizationColor(@NonNull ComponentName who, int color) { 9312 if (!mHasFeature) { 9313 return; 9314 } 9315 Preconditions.checkNotNull(who, "ComponentName is null"); 9316 final int userHandle = mInjector.userHandleGetCallingUserId(); 9317 enforceManagedProfile(userHandle, "set organization color"); 9318 synchronized (this) { 9319 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9320 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9321 admin.organizationColor = color; 9322 saveSettingsLocked(userHandle); 9323 } 9324 } 9325 9326 @Override 9327 public void setOrganizationColorForUser(int color, int userId) { 9328 if (!mHasFeature) { 9329 return; 9330 } 9331 enforceFullCrossUsersPermission(userId); 9332 enforceManageUsers(); 9333 enforceManagedProfile(userId, "set organization color"); 9334 synchronized (this) { 9335 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 9336 admin.organizationColor = color; 9337 saveSettingsLocked(userId); 9338 } 9339 } 9340 9341 @Override 9342 public int getOrganizationColor(@NonNull ComponentName who) { 9343 if (!mHasFeature) { 9344 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 9345 } 9346 Preconditions.checkNotNull(who, "ComponentName is null"); 9347 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 9348 synchronized (this) { 9349 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9350 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9351 return admin.organizationColor; 9352 } 9353 } 9354 9355 @Override 9356 public int getOrganizationColorForUser(int userHandle) { 9357 if (!mHasFeature) { 9358 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 9359 } 9360 enforceFullCrossUsersPermission(userHandle); 9361 enforceManagedProfile(userHandle, "get organization color"); 9362 synchronized (this) { 9363 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 9364 return (profileOwner != null) 9365 ? profileOwner.organizationColor 9366 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 9367 } 9368 } 9369 9370 @Override 9371 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 9372 if (!mHasFeature) { 9373 return; 9374 } 9375 Preconditions.checkNotNull(who, "ComponentName is null"); 9376 final int userHandle = mInjector.userHandleGetCallingUserId(); 9377 9378 synchronized (this) { 9379 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9380 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9381 if (!TextUtils.equals(admin.organizationName, text)) { 9382 admin.organizationName = (text == null || text.length() == 0) 9383 ? null : text.toString(); 9384 saveSettingsLocked(userHandle); 9385 } 9386 } 9387 } 9388 9389 @Override 9390 public CharSequence getOrganizationName(@NonNull ComponentName who) { 9391 if (!mHasFeature) { 9392 return null; 9393 } 9394 Preconditions.checkNotNull(who, "ComponentName is null"); 9395 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 9396 synchronized(this) { 9397 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9398 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9399 return admin.organizationName; 9400 } 9401 } 9402 9403 @Override 9404 public CharSequence getDeviceOwnerOrganizationName() { 9405 if (!mHasFeature) { 9406 return null; 9407 } 9408 enforceDeviceOwnerOrManageUsers(); 9409 synchronized(this) { 9410 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 9411 return deviceOwnerAdmin == null ? null : deviceOwnerAdmin.organizationName; 9412 } 9413 } 9414 9415 @Override 9416 public CharSequence getOrganizationNameForUser(int userHandle) { 9417 if (!mHasFeature) { 9418 return null; 9419 } 9420 enforceFullCrossUsersPermission(userHandle); 9421 enforceManagedProfile(userHandle, "get organization name"); 9422 synchronized (this) { 9423 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 9424 return (profileOwner != null) 9425 ? profileOwner.organizationName 9426 : null; 9427 } 9428 } 9429 9430 @Override 9431 public void setAffiliationIds(ComponentName admin, List<String> ids) { 9432 if (!mHasFeature) { 9433 return; 9434 } 9435 9436 Preconditions.checkNotNull(admin); 9437 Preconditions.checkCollectionElementsNotNull(ids, "ids"); 9438 9439 final Set<String> affiliationIds = new ArraySet<String>(ids); 9440 Preconditions.checkArgument( 9441 !affiliationIds.contains(""), "ids must not contain empty strings"); 9442 9443 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9444 synchronized (this) { 9445 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9446 getUserData(callingUserId).mAffiliationIds = affiliationIds; 9447 saveSettingsLocked(callingUserId); 9448 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 9449 // Affiliation ids specified by the device owner are additionally stored in 9450 // UserHandle.USER_SYSTEM's DevicePolicyData. 9451 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 9452 saveSettingsLocked(UserHandle.USER_SYSTEM); 9453 } 9454 } 9455 } 9456 9457 @Override 9458 public List<String> getAffiliationIds(ComponentName admin) { 9459 if (!mHasFeature) { 9460 return Collections.emptyList(); 9461 } 9462 9463 Preconditions.checkNotNull(admin); 9464 synchronized (this) { 9465 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9466 return new ArrayList<String>( 9467 getUserData(mInjector.userHandleGetCallingUserId()).mAffiliationIds); 9468 } 9469 } 9470 9471 @Override 9472 public boolean isAffiliatedUser() { 9473 return isUserAffiliatedWithDevice(mInjector.userHandleGetCallingUserId()); 9474 } 9475 9476 private boolean isUserAffiliatedWithDevice(int userId) { 9477 synchronized (this) { 9478 if (!mOwners.hasDeviceOwner()) { 9479 return false; 9480 } 9481 if (userId == mOwners.getDeviceOwnerUserId()) { 9482 // The user that the DO is installed on is always affiliated with the device. 9483 return true; 9484 } 9485 if (userId == UserHandle.USER_SYSTEM) { 9486 // The system user is always affiliated in a DO device, even if the DO is set on a 9487 // different user. This could be the case if the DO is set in the primary user 9488 // of a split user device. 9489 return true; 9490 } 9491 final ComponentName profileOwner = getProfileOwner(userId); 9492 if (profileOwner == null) { 9493 return false; 9494 } 9495 final Set<String> userAffiliationIds = getUserData(userId).mAffiliationIds; 9496 final Set<String> deviceAffiliationIds = 9497 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 9498 for (String id : userAffiliationIds) { 9499 if (deviceAffiliationIds.contains(id)) { 9500 return true; 9501 } 9502 } 9503 } 9504 return false; 9505 } 9506 9507 private synchronized void disableDeviceOwnerManagedSingleUserFeaturesIfNeeded() { 9508 final boolean isSingleUserManagedDevice = isDeviceOwnerManagedSingleUserDevice(); 9509 9510 // disable security logging if needed 9511 if (!isSingleUserManagedDevice) { 9512 mInjector.securityLogSetLoggingEnabledProperty(false); 9513 Slog.w(LOG_TAG, "Security logging turned off as it's no longer a single user managed" 9514 + " device."); 9515 } 9516 9517 // disable backup service if needed 9518 // note: when clearing DO, the backup service shouldn't be disabled if it was enabled by 9519 // the device owner 9520 if (mOwners.hasDeviceOwner() && !isSingleUserManagedDevice) { 9521 setBackupServiceEnabledInternal(false); 9522 Slog.w(LOG_TAG, "Backup is off as it's a managed device that has more that one user."); 9523 } 9524 9525 // disable network logging if needed 9526 if (!isSingleUserManagedDevice) { 9527 setNetworkLoggingActiveInternal(false); 9528 Slog.w(LOG_TAG, "Network logging turned off as it's no longer a single user managed" 9529 + " device."); 9530 // if there still is a device owner, disable logging policy, otherwise the admin 9531 // has been nuked 9532 if (mOwners.hasDeviceOwner()) { 9533 getDeviceOwnerAdminLocked().isNetworkLoggingEnabled = false; 9534 saveSettingsLocked(mOwners.getDeviceOwnerUserId()); 9535 } 9536 } 9537 } 9538 9539 @Override 9540 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 9541 Preconditions.checkNotNull(admin); 9542 ensureDeviceOwnerManagingSingleUser(admin); 9543 9544 synchronized (this) { 9545 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 9546 return; 9547 } 9548 mInjector.securityLogSetLoggingEnabledProperty(enabled); 9549 if (enabled) { 9550 mSecurityLogMonitor.start(); 9551 } else { 9552 mSecurityLogMonitor.stop(); 9553 } 9554 } 9555 } 9556 9557 @Override 9558 public boolean isSecurityLoggingEnabled(ComponentName admin) { 9559 Preconditions.checkNotNull(admin); 9560 synchronized (this) { 9561 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9562 return mInjector.securityLogGetLoggingEnabledProperty(); 9563 } 9564 } 9565 9566 private synchronized void recordSecurityLogRetrievalTime() { 9567 final long currentTime = System.currentTimeMillis(); 9568 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 9569 if (currentTime > policyData.mLastSecurityLogRetrievalTime) { 9570 policyData.mLastSecurityLogRetrievalTime = currentTime; 9571 saveSettingsLocked(UserHandle.USER_SYSTEM); 9572 } 9573 } 9574 9575 @Override 9576 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 9577 Preconditions.checkNotNull(admin); 9578 ensureDeviceOwnerManagingSingleUser(admin); 9579 9580 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs)) { 9581 return null; 9582 } 9583 9584 recordSecurityLogRetrievalTime(); 9585 9586 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 9587 try { 9588 SecurityLog.readPreviousEvents(output); 9589 return new ParceledListSlice<SecurityEvent>(output); 9590 } catch (IOException e) { 9591 Slog.w(LOG_TAG, "Fail to read previous events" , e); 9592 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 9593 } 9594 } 9595 9596 @Override 9597 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 9598 Preconditions.checkNotNull(admin); 9599 ensureDeviceOwnerManagingSingleUser(admin); 9600 9601 recordSecurityLogRetrievalTime(); 9602 9603 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 9604 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 9605 } 9606 9607 private void enforceCanManageDeviceAdmin() { 9608 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 9609 null); 9610 } 9611 9612 private void enforceCanManageProfileAndDeviceOwners() { 9613 mContext.enforceCallingOrSelfPermission( 9614 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 9615 } 9616 9617 private void enforceCallerSystemUserHandle() { 9618 final int callingUid = mInjector.binderGetCallingUid(); 9619 final int userId = UserHandle.getUserId(callingUid); 9620 if (userId != UserHandle.USER_SYSTEM) { 9621 throw new SecurityException("Caller has to be in user 0"); 9622 } 9623 } 9624 9625 @Override 9626 public boolean isUninstallInQueue(final String packageName) { 9627 enforceCanManageDeviceAdmin(); 9628 final int userId = mInjector.userHandleGetCallingUserId(); 9629 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9630 synchronized (this) { 9631 return mPackagesToRemove.contains(packageUserPair); 9632 } 9633 } 9634 9635 @Override 9636 public void uninstallPackageWithActiveAdmins(final String packageName) { 9637 enforceCanManageDeviceAdmin(); 9638 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 9639 9640 final int userId = mInjector.userHandleGetCallingUserId(); 9641 9642 enforceUserUnlocked(userId); 9643 9644 final ComponentName profileOwner = getProfileOwner(userId); 9645 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 9646 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 9647 } 9648 9649 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 9650 if (getDeviceOwnerUserId() == userId && deviceOwner != null 9651 && packageName.equals(deviceOwner.getPackageName())) { 9652 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 9653 } 9654 9655 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9656 synchronized (this) { 9657 mPackagesToRemove.add(packageUserPair); 9658 } 9659 9660 // All active admins on the user. 9661 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 9662 9663 // Active admins in the target package. 9664 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 9665 if (allActiveAdmins != null) { 9666 for (ComponentName activeAdmin : allActiveAdmins) { 9667 if (packageName.equals(activeAdmin.getPackageName())) { 9668 packageActiveAdmins.add(activeAdmin); 9669 removeActiveAdmin(activeAdmin, userId); 9670 } 9671 } 9672 } 9673 if (packageActiveAdmins.size() == 0) { 9674 startUninstallIntent(packageName, userId); 9675 } else { 9676 mHandler.postDelayed(new Runnable() { 9677 @Override 9678 public void run() { 9679 for (ComponentName activeAdmin : packageActiveAdmins) { 9680 removeAdminArtifacts(activeAdmin, userId); 9681 } 9682 startUninstallIntent(packageName, userId); 9683 } 9684 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 9685 } 9686 } 9687 9688 @Override 9689 public boolean isDeviceProvisioned() { 9690 return !TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT)); 9691 } 9692 9693 private void removePackageIfRequired(final String packageName, final int userId) { 9694 if (!packageHasActiveAdmins(packageName, userId)) { 9695 // Will not do anything if uninstall was not requested or was already started. 9696 startUninstallIntent(packageName, userId); 9697 } 9698 } 9699 9700 private void startUninstallIntent(final String packageName, final int userId) { 9701 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9702 synchronized (this) { 9703 if (!mPackagesToRemove.contains(packageUserPair)) { 9704 // Do nothing if uninstall was not requested or was already started. 9705 return; 9706 } 9707 mPackagesToRemove.remove(packageUserPair); 9708 } 9709 try { 9710 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 9711 // Package does not exist. Nothing to do. 9712 return; 9713 } 9714 } catch (RemoteException re) { 9715 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 9716 } 9717 9718 try { // force stop the package before uninstalling 9719 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 9720 } catch (RemoteException re) { 9721 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 9722 } 9723 final Uri packageURI = Uri.parse("package:" + packageName); 9724 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 9725 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 9726 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 9727 } 9728 9729 /** 9730 * Removes the admin from the policy. Ideally called after the admin's 9731 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 9732 * 9733 * @param adminReceiver The admin to remove 9734 * @param userHandle The user for which this admin has to be removed. 9735 */ 9736 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 9737 synchronized (this) { 9738 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 9739 if (admin == null) { 9740 return; 9741 } 9742 final DevicePolicyData policy = getUserData(userHandle); 9743 final boolean doProxyCleanup = admin.info.usesPolicy( 9744 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 9745 policy.mAdminList.remove(admin); 9746 policy.mAdminMap.remove(adminReceiver); 9747 validatePasswordOwnerLocked(policy); 9748 if (doProxyCleanup) { 9749 resetGlobalProxyLocked(policy); 9750 } 9751 saveSettingsLocked(userHandle); 9752 updateMaximumTimeToLockLocked(userHandle); 9753 policy.mRemovingAdmins.remove(adminReceiver); 9754 9755 Slog.i(LOG_TAG, "Device admin " + adminReceiver + " removed from user " + userHandle); 9756 } 9757 // The removed admin might have disabled camera, so update user 9758 // restrictions. 9759 pushUserRestrictions(userHandle); 9760 } 9761 9762 @Override 9763 public void setDeviceProvisioningConfigApplied() { 9764 enforceManageUsers(); 9765 synchronized (this) { 9766 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 9767 policy.mDeviceProvisioningConfigApplied = true; 9768 saveSettingsLocked(UserHandle.USER_SYSTEM); 9769 } 9770 } 9771 9772 @Override 9773 public boolean isDeviceProvisioningConfigApplied() { 9774 enforceManageUsers(); 9775 synchronized (this) { 9776 final DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 9777 return policy.mDeviceProvisioningConfigApplied; 9778 } 9779 } 9780 9781 /** 9782 * Force update internal persistent state from Settings.Secure.USER_SETUP_COMPLETE. 9783 * 9784 * It's added for testing only. Please use this API carefully if it's used by other system app 9785 * and bare in mind Settings.Secure.USER_SETUP_COMPLETE can be modified by user and other system 9786 * apps. 9787 */ 9788 @Override 9789 public void forceUpdateUserSetupComplete() { 9790 enforceCanManageProfileAndDeviceOwners(); 9791 enforceCallerSystemUserHandle(); 9792 // no effect if it's called from user build 9793 if (!mInjector.isBuildDebuggable()) { 9794 return; 9795 } 9796 final int userId = UserHandle.USER_SYSTEM; 9797 boolean isUserCompleted = mInjector.settingsSecureGetIntForUser( 9798 Settings.Secure.USER_SETUP_COMPLETE, 0, userId) != 0; 9799 DevicePolicyData policy = getUserData(userId); 9800 policy.mUserSetupComplete = isUserCompleted; 9801 synchronized (this) { 9802 saveSettingsLocked(userId); 9803 } 9804 } 9805 9806 @Override 9807 public void setBackupServiceEnabled(ComponentName admin, boolean enabled) { 9808 Preconditions.checkNotNull(admin); 9809 if (!mHasFeature) { 9810 return; 9811 } 9812 ensureDeviceOwnerManagingSingleUser(admin); 9813 setBackupServiceEnabledInternal(enabled); 9814 } 9815 9816 private synchronized void setBackupServiceEnabledInternal(boolean enabled) { 9817 long ident = mInjector.binderClearCallingIdentity(); 9818 try { 9819 IBackupManager ibm = mInjector.getIBackupManager(); 9820 if (ibm != null) { 9821 ibm.setBackupServiceActive(UserHandle.USER_SYSTEM, enabled); 9822 } 9823 } catch (RemoteException e) { 9824 throw new IllegalStateException( 9825 "Failed " + (enabled ? "" : "de") + "activating backup service.", e); 9826 } finally { 9827 mInjector.binderRestoreCallingIdentity(ident); 9828 } 9829 } 9830 9831 @Override 9832 public boolean isBackupServiceEnabled(ComponentName admin) { 9833 Preconditions.checkNotNull(admin); 9834 if (!mHasFeature) { 9835 return true; 9836 } 9837 synchronized (this) { 9838 try { 9839 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9840 IBackupManager ibm = mInjector.getIBackupManager(); 9841 return ibm != null && ibm.isBackupServiceActive(UserHandle.USER_SYSTEM); 9842 } catch (RemoteException e) { 9843 throw new IllegalStateException("Failed requesting backup service state.", e); 9844 } 9845 } 9846 } 9847 9848 @Override 9849 public boolean bindDeviceAdminServiceAsUser( 9850 @NonNull ComponentName admin, @NonNull IApplicationThread caller, 9851 @Nullable IBinder activtiyToken, @NonNull Intent serviceIntent, 9852 @NonNull IServiceConnection connection, int flags, @UserIdInt int targetUserId) { 9853 if (!mHasFeature) { 9854 return false; 9855 } 9856 Preconditions.checkNotNull(admin); 9857 Preconditions.checkNotNull(caller); 9858 Preconditions.checkNotNull(serviceIntent); 9859 Preconditions.checkArgument( 9860 serviceIntent.getComponent() != null || serviceIntent.getPackage() != null, 9861 "Service intent must be explicit (with a package name or component): " 9862 + serviceIntent); 9863 Preconditions.checkNotNull(connection); 9864 Preconditions.checkArgument(mInjector.userHandleGetCallingUserId() != targetUserId, 9865 "target user id must be different from the calling user id"); 9866 9867 if (!getBindDeviceAdminTargetUsers(admin).contains(UserHandle.of(targetUserId))) { 9868 throw new SecurityException("Not allowed to bind to target user id"); 9869 } 9870 9871 final String targetPackage; 9872 synchronized (this) { 9873 targetPackage = getOwnerPackageNameForUserLocked(targetUserId); 9874 } 9875 9876 final long callingIdentity = mInjector.binderClearCallingIdentity(); 9877 try { 9878 // Validate and sanitize the incoming service intent. 9879 final Intent sanitizedIntent = 9880 createCrossUserServiceIntent(serviceIntent, targetPackage, targetUserId); 9881 if (sanitizedIntent == null) { 9882 // Fail, cannot lookup the target service. 9883 return false; 9884 } 9885 // Ask ActivityManager to bind it. Notice that we are binding the service with the 9886 // caller app instead of DevicePolicyManagerService. 9887 return mInjector.getIActivityManager().bindService( 9888 caller, activtiyToken, serviceIntent, 9889 serviceIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 9890 connection, flags, mContext.getOpPackageName(), 9891 targetUserId) != 0; 9892 } catch (RemoteException ex) { 9893 // Same process, should not happen. 9894 } finally { 9895 mInjector.binderRestoreCallingIdentity(callingIdentity); 9896 } 9897 9898 // Failed to bind. 9899 return false; 9900 } 9901 9902 @Override 9903 public @NonNull List<UserHandle> getBindDeviceAdminTargetUsers(@NonNull ComponentName admin) { 9904 if (!mHasFeature) { 9905 return Collections.emptyList(); 9906 } 9907 Preconditions.checkNotNull(admin); 9908 ArrayList<UserHandle> targetUsers = new ArrayList<>(); 9909 9910 synchronized (this) { 9911 ActiveAdmin callingOwner = getActiveAdminForCallerLocked( 9912 admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9913 9914 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9915 final boolean isCallerDeviceOwner = isDeviceOwner(callingOwner); 9916 final boolean isCallerManagedProfile = isManagedProfile(callingUserId); 9917 if ((!isCallerDeviceOwner && !isCallerManagedProfile) 9918 || !isUserAffiliatedWithDevice(callingUserId)) { 9919 return targetUsers; 9920 } 9921 9922 final long callingIdentity = mInjector.binderClearCallingIdentity(); 9923 try { 9924 String callingOwnerPackage = callingOwner.info.getComponent().getPackageName(); 9925 for (int userId : mUserManager.getProfileIdsWithDisabled(callingUserId)) { 9926 if (userId == callingUserId) { 9927 continue; 9928 } 9929 9930 // We only allow the device owner and a managed profile owner to bind to each 9931 // other. 9932 if ((isCallerManagedProfile && userId == mOwners.getDeviceOwnerUserId()) 9933 || (isCallerDeviceOwner && isManagedProfile(userId))) { 9934 String targetOwnerPackage = getOwnerPackageNameForUserLocked(userId); 9935 9936 // Both must be the same package and be affiliated in order to bind. 9937 if (callingOwnerPackage.equals(targetOwnerPackage) 9938 && isUserAffiliatedWithDevice(userId)) { 9939 targetUsers.add(UserHandle.of(userId)); 9940 } 9941 } 9942 } 9943 } finally { 9944 mInjector.binderRestoreCallingIdentity(callingIdentity); 9945 } 9946 } 9947 9948 return targetUsers; 9949 } 9950 9951 /** 9952 * Return true if a given user has any accounts that'll prevent installing a device or profile 9953 * owner {@code owner}. 9954 * - If the user has no accounts, then return false. 9955 * - Otherwise, if the owner is unknown (== null), or is not test-only, then return true. 9956 * - Otherwise, if there's any account that does not have ..._ALLOWED, or does have 9957 * ..._DISALLOWED, return true. 9958 * - Otherwise return false. 9959 * 9960 * If the caller is *not* ADB, it also returns true. The returned value shouldn't be used 9961 * when the caller is not ADB. 9962 * 9963 * DO NOT CALL IT WITH THE DPMS LOCK HELD. 9964 */ 9965 private boolean hasIncompatibleAccountsOrNonAdbNoLock( 9966 int userId, @Nullable ComponentName owner) { 9967 if (!isAdb()) { 9968 return true; 9969 } 9970 wtfIfInLock(); 9971 9972 final long token = mInjector.binderClearCallingIdentity(); 9973 try { 9974 final AccountManager am = AccountManager.get(mContext); 9975 final Account accounts[] = am.getAccountsAsUser(userId); 9976 if (accounts.length == 0) { 9977 return false; 9978 } 9979 synchronized (this) { 9980 if (owner == null || !isAdminTestOnlyLocked(owner, userId)) { 9981 Log.w(LOG_TAG, 9982 "Non test-only owner can't be installed with existing accounts."); 9983 return true; 9984 } 9985 } 9986 9987 final String[] feature_allow = 9988 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_ALLOWED }; 9989 final String[] feature_disallow = 9990 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_DISALLOWED }; 9991 9992 boolean compatible = true; 9993 for (Account account : accounts) { 9994 if (hasAccountFeatures(am, account, feature_disallow)) { 9995 Log.e(LOG_TAG, account + " has " + feature_disallow[0]); 9996 compatible = false; 9997 break; 9998 } 9999 if (!hasAccountFeatures(am, account, feature_allow)) { 10000 Log.e(LOG_TAG, account + " doesn't have " + feature_allow[0]); 10001 compatible = false; 10002 break; 10003 } 10004 } 10005 if (compatible) { 10006 Log.w(LOG_TAG, "All accounts are compatible"); 10007 } else { 10008 Log.e(LOG_TAG, "Found incompatible accounts"); 10009 } 10010 return !compatible; 10011 } finally { 10012 mInjector.binderRestoreCallingIdentity(token); 10013 } 10014 } 10015 10016 private boolean hasAccountFeatures(AccountManager am, Account account, String[] features) { 10017 try { 10018 return am.hasFeatures(account, features, null, null).getResult(); 10019 } catch (Exception e) { 10020 Log.w(LOG_TAG, "Failed to get account feature", e); 10021 return false; 10022 } 10023 } 10024 10025 private boolean isAdb() { 10026 final int callingUid = mInjector.binderGetCallingUid(); 10027 return callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 10028 } 10029 10030 @Override 10031 public synchronized void setNetworkLoggingEnabled(ComponentName admin, boolean enabled) { 10032 if (!mHasFeature) { 10033 return; 10034 } 10035 Preconditions.checkNotNull(admin); 10036 ensureDeviceOwnerManagingSingleUser(admin); 10037 10038 if (enabled == isNetworkLoggingEnabledInternalLocked()) { 10039 // already in the requested state 10040 return; 10041 } 10042 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10043 deviceOwner.isNetworkLoggingEnabled = enabled; 10044 if (!enabled) { 10045 deviceOwner.numNetworkLoggingNotifications = 0; 10046 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10047 } 10048 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 10049 10050 setNetworkLoggingActiveInternal(enabled); 10051 } 10052 10053 private synchronized void setNetworkLoggingActiveInternal(boolean active) { 10054 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10055 try { 10056 if (active) { 10057 mNetworkLogger = new NetworkLogger(this, mInjector.getPackageManagerInternal()); 10058 if (!mNetworkLogger.startNetworkLogging()) { 10059 mNetworkLogger = null; 10060 Slog.wtf(LOG_TAG, "Network logging could not be started due to the logging" 10061 + " service not being available yet."); 10062 } 10063 sendNetworkLoggingNotificationLocked(); 10064 } else { 10065 if (mNetworkLogger != null && !mNetworkLogger.stopNetworkLogging()) { 10066 mNetworkLogger = null; 10067 Slog.wtf(LOG_TAG, "Network logging could not be stopped due to the logging" 10068 + " service not being available yet."); 10069 } 10070 mNetworkLogger = null; 10071 mInjector.getNotificationManager().cancel(NETWORK_LOGGING_NOTIFICATION_ID); 10072 } 10073 } finally { 10074 mInjector.binderRestoreCallingIdentity(callingIdentity); 10075 } 10076 } 10077 10078 @Override 10079 public boolean isNetworkLoggingEnabled(ComponentName admin) { 10080 if (!mHasFeature) { 10081 return false; 10082 } 10083 synchronized (this) { 10084 enforceDeviceOwnerOrManageUsers(); 10085 return isNetworkLoggingEnabledInternalLocked(); 10086 } 10087 } 10088 10089 private boolean isNetworkLoggingEnabledInternalLocked() { 10090 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10091 return (deviceOwner != null) && deviceOwner.isNetworkLoggingEnabled; 10092 } 10093 10094 /* 10095 * A maximum of 1200 events are returned, and the total marshalled size is in the order of 10096 * 100kB, so returning a List instead of ParceledListSlice is acceptable. 10097 * Ideally this would be done with ParceledList, however it only supports homogeneous types. 10098 * 10099 * @see NetworkLoggingHandler#MAX_EVENTS_PER_BATCH 10100 */ 10101 @Override 10102 public synchronized List<NetworkEvent> retrieveNetworkLogs(ComponentName admin, 10103 long batchToken) { 10104 if (!mHasFeature) { 10105 return null; 10106 } 10107 Preconditions.checkNotNull(admin); 10108 ensureDeviceOwnerManagingSingleUser(admin); 10109 10110 if (mNetworkLogger == null) { 10111 return null; 10112 } 10113 10114 if (!isNetworkLoggingEnabledInternalLocked()) { 10115 return null; 10116 } 10117 10118 final long currentTime = System.currentTimeMillis(); 10119 synchronized (this) { 10120 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 10121 if (currentTime > policyData.mLastNetworkLogsRetrievalTime) { 10122 policyData.mLastNetworkLogsRetrievalTime = currentTime; 10123 saveSettingsLocked(UserHandle.USER_SYSTEM); 10124 } 10125 } 10126 10127 return mNetworkLogger.retrieveLogs(batchToken); 10128 } 10129 10130 private void sendNetworkLoggingNotificationLocked() { 10131 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10132 if (deviceOwner == null || !deviceOwner.isNetworkLoggingEnabled) { 10133 return; 10134 } 10135 if (deviceOwner.numNetworkLoggingNotifications >= 10136 ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10137 return; 10138 } 10139 final long now = System.currentTimeMillis(); 10140 if (now - deviceOwner.lastNetworkLoggingNotificationTimeMs < MS_PER_DAY) { 10141 return; 10142 } 10143 deviceOwner.numNetworkLoggingNotifications++; 10144 if (deviceOwner.numNetworkLoggingNotifications 10145 >= ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10146 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10147 } else { 10148 deviceOwner.lastNetworkLoggingNotificationTimeMs = now; 10149 } 10150 final Intent intent = new Intent(DevicePolicyManager.ACTION_SHOW_DEVICE_MONITORING_DIALOG); 10151 intent.setPackage("com.android.systemui"); 10152 final PendingIntent pendingIntent = PendingIntent.getBroadcastAsUser(mContext, 0, intent, 0, 10153 UserHandle.CURRENT); 10154 Notification notification = new Notification.Builder(mContext) 10155 .setSmallIcon(R.drawable.ic_qs_network_logging) 10156 .setContentTitle(mContext.getString(R.string.network_logging_notification_title)) 10157 .setContentText(mContext.getString(R.string.network_logging_notification_text)) 10158 .setTicker(mContext.getString(R.string.network_logging_notification_title)) 10159 .setShowWhen(true) 10160 .setContentIntent(pendingIntent) 10161 .build(); 10162 mInjector.getNotificationManager().notify(NETWORK_LOGGING_NOTIFICATION_ID, notification); 10163 saveSettingsLocked(mOwners.getDeviceOwnerUserId()); 10164 } 10165 10166 /** 10167 * Return the package name of owner in a given user. 10168 */ 10169 private String getOwnerPackageNameForUserLocked(int userId) { 10170 return mOwners.getDeviceOwnerUserId() == userId 10171 ? mOwners.getDeviceOwnerPackageName() 10172 : mOwners.getProfileOwnerPackage(userId); 10173 } 10174 10175 /** 10176 * @param rawIntent Original service intent specified by caller. It must be explicit. 10177 * @param expectedPackageName The expected package name of the resolved service. 10178 * @return Intent that have component explicitly set. {@code null} if no service is resolved 10179 * with the given intent. 10180 * @throws SecurityException if the intent is resolved to an invalid service. 10181 */ 10182 private Intent createCrossUserServiceIntent( 10183 @NonNull Intent rawIntent, @NonNull String expectedPackageName, 10184 @UserIdInt int targetUserId) throws RemoteException, SecurityException { 10185 ResolveInfo info = mIPackageManager.resolveService( 10186 rawIntent, 10187 rawIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 10188 0, // flags 10189 targetUserId); 10190 if (info == null || info.serviceInfo == null) { 10191 Log.e(LOG_TAG, "Fail to look up the service: " + rawIntent 10192 + " or user " + targetUserId + " is not running"); 10193 return null; 10194 } 10195 if (!expectedPackageName.equals(info.serviceInfo.packageName)) { 10196 throw new SecurityException("Only allow to bind service in " + expectedPackageName); 10197 } 10198 if (info.serviceInfo.exported) { 10199 throw new SecurityException("The service must be unexported"); 10200 } 10201 // It is the system server to bind the service, it would be extremely dangerous if it 10202 // can be exploited to bind any service. Set the component explicitly to make sure we 10203 // do not bind anything accidentally. 10204 rawIntent.setComponent(info.serviceInfo.getComponentName()); 10205 return rawIntent; 10206 } 10207 10208 @Override 10209 public long getLastSecurityLogRetrievalTime() { 10210 enforceDeviceOwnerOrManageUsers(); 10211 return getUserData(UserHandle.USER_SYSTEM).mLastSecurityLogRetrievalTime; 10212 } 10213 10214 @Override 10215 public long getLastBugReportRequestTime() { 10216 enforceDeviceOwnerOrManageUsers(); 10217 return getUserData(UserHandle.USER_SYSTEM).mLastBugReportRequestTime; 10218 } 10219 10220 @Override 10221 public long getLastNetworkLogRetrievalTime() { 10222 enforceDeviceOwnerOrManageUsers(); 10223 return getUserData(UserHandle.USER_SYSTEM).mLastNetworkLogsRetrievalTime; 10224 } 10225} 10226