DevicePolicyManagerService.java revision 8f3b34338aca7276a45033e362776678c2adf984
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.devicepolicy; 18 19import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; 20import static android.app.admin.DevicePolicyManager.CODE_ACCOUNTS_NOT_EMPTY; 21import static android.app.admin.DevicePolicyManager.CODE_ADD_MANAGED_PROFILE_DISALLOWED; 22import static android.app.admin.DevicePolicyManager.CODE_CANNOT_ADD_MANAGED_PROFILE; 23import static android.app.admin.DevicePolicyManager.CODE_DEVICE_ADMIN_NOT_SUPPORTED; 24import static android.app.admin.DevicePolicyManager.CODE_HAS_DEVICE_OWNER; 25import static android.app.admin.DevicePolicyManager.CODE_HAS_PAIRED; 26import static android.app.admin.DevicePolicyManager.CODE_MANAGED_USERS_NOT_SUPPORTED; 27import static android.app.admin.DevicePolicyManager.CODE_NONSYSTEM_USER_EXISTS; 28import static android.app.admin.DevicePolicyManager.CODE_NOT_SYSTEM_USER; 29import static android.app.admin.DevicePolicyManager.CODE_NOT_SYSTEM_USER_SPLIT; 30import static android.app.admin.DevicePolicyManager.CODE_OK; 31import static android.app.admin.DevicePolicyManager.CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 32import static android.app.admin.DevicePolicyManager.CODE_SYSTEM_USER; 33import static android.app.admin.DevicePolicyManager.CODE_USER_HAS_PROFILE_OWNER; 34import static android.app.admin.DevicePolicyManager.CODE_USER_NOT_RUNNING; 35import static android.app.admin.DevicePolicyManager.CODE_USER_SETUP_COMPLETED; 36import static android.app.admin.DevicePolicyManager.DELEGATION_APP_RESTRICTIONS; 37import static android.app.admin.DevicePolicyManager.DELEGATION_CERT_INSTALL; 38import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 39import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 40import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 41import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 42 43import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.PROVISIONING_ENTRY_POINT_ADB; 44import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW; 45import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 46import static org.xmlpull.v1.XmlPullParser.END_TAG; 47import static org.xmlpull.v1.XmlPullParser.TEXT; 48 49import android.Manifest.permission; 50import android.accessibilityservice.AccessibilityServiceInfo; 51import android.accounts.Account; 52import android.accounts.AccountManager; 53import android.annotation.NonNull; 54import android.annotation.Nullable; 55import android.annotation.UserIdInt; 56import android.app.Activity; 57import android.app.ActivityManager; 58import android.app.AlarmManager; 59import android.app.AppGlobals; 60import android.app.IActivityManager; 61import android.app.IApplicationThread; 62import android.app.IServiceConnection; 63import android.app.Notification; 64import android.app.NotificationManager; 65import android.app.PendingIntent; 66import android.app.StatusBarManager; 67import android.app.admin.DeviceAdminInfo; 68import android.app.admin.DeviceAdminReceiver; 69import android.app.admin.DevicePolicyManager; 70import android.app.admin.DevicePolicyManagerInternal; 71import android.app.admin.IDevicePolicyManager; 72import android.app.admin.NetworkEvent; 73import android.app.admin.PasswordMetrics; 74import android.app.admin.SystemUpdateInfo; 75import android.app.admin.SecurityLog; 76import android.app.admin.SecurityLog.SecurityEvent; 77import android.app.admin.SystemUpdatePolicy; 78import android.app.backup.IBackupManager; 79import android.app.trust.TrustManager; 80import android.content.BroadcastReceiver; 81import android.content.ComponentName; 82import android.content.Context; 83import android.content.Intent; 84import android.content.IntentFilter; 85import android.content.pm.ActivityInfo; 86import android.content.pm.ApplicationInfo; 87import android.content.pm.IPackageManager; 88import android.content.pm.PackageInfo; 89import android.content.pm.PackageManager; 90import android.content.pm.PackageManager.NameNotFoundException; 91import android.content.pm.PackageManagerInternal; 92import android.content.pm.ParceledListSlice; 93import android.content.pm.ResolveInfo; 94import android.content.pm.ServiceInfo; 95import android.content.pm.UserInfo; 96import android.database.ContentObserver; 97import android.graphics.Bitmap; 98import android.graphics.Color; 99import android.media.AudioManager; 100import android.media.IAudioService; 101import android.net.ConnectivityManager; 102import android.net.IIpConnectivityMetrics; 103import android.net.ProxyInfo; 104import android.net.Uri; 105import android.net.metrics.IpConnectivityLog; 106import android.net.wifi.WifiInfo; 107import android.net.wifi.WifiManager; 108import android.os.AsyncTask; 109import android.os.Binder; 110import android.os.Build; 111import android.os.Bundle; 112import android.os.Environment; 113import android.os.FileUtils; 114import android.os.Handler; 115import android.os.IBinder; 116import android.os.Looper; 117import android.os.ParcelFileDescriptor; 118import android.os.PersistableBundle; 119import android.os.PowerManager; 120import android.os.PowerManagerInternal; 121import android.os.Process; 122import android.os.RecoverySystem; 123import android.os.RemoteCallback; 124import android.os.RemoteException; 125import android.os.ServiceManager; 126import android.os.SystemClock; 127import android.os.SystemProperties; 128import android.os.UserHandle; 129import android.os.UserManager; 130import android.os.UserManagerInternal; 131import android.os.storage.StorageManager; 132import android.provider.ContactsContract.QuickContact; 133import android.provider.ContactsInternal; 134import android.provider.Settings; 135import android.security.Credentials; 136import android.security.IKeyChainAliasCallback; 137import android.security.IKeyChainService; 138import android.security.KeyChain; 139import android.security.KeyChain.KeyChainConnection; 140import android.service.persistentdata.PersistentDataBlockManager; 141import android.telephony.TelephonyManager; 142import android.text.TextUtils; 143import android.util.ArrayMap; 144import android.util.ArraySet; 145import android.util.Log; 146import android.util.Pair; 147import android.util.Slog; 148import android.util.SparseArray; 149import android.util.Xml; 150import android.view.IWindowManager; 151import android.view.accessibility.AccessibilityManager; 152import android.view.accessibility.IAccessibilityManager; 153import android.view.inputmethod.InputMethodInfo; 154import android.view.inputmethod.InputMethodManager; 155 156import com.android.internal.R; 157import com.android.internal.annotations.VisibleForTesting; 158import com.android.internal.logging.MetricsLogger; 159import com.android.internal.statusbar.IStatusBarService; 160import com.android.internal.util.FastXmlSerializer; 161import com.android.internal.util.JournaledFile; 162import com.android.internal.util.ParcelableString; 163import com.android.internal.util.Preconditions; 164import com.android.internal.util.XmlUtils; 165import com.android.internal.widget.LockPatternUtils; 166import com.android.server.LocalServices; 167import com.android.server.SystemService; 168import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 169import com.android.server.pm.UserRestrictionsUtils; 170import com.google.android.collect.Sets; 171 172import org.xmlpull.v1.XmlPullParser; 173import org.xmlpull.v1.XmlPullParserException; 174import org.xmlpull.v1.XmlSerializer; 175 176import java.io.ByteArrayInputStream; 177import java.io.File; 178import java.io.FileDescriptor; 179import java.io.FileInputStream; 180import java.io.FileNotFoundException; 181import java.io.FileOutputStream; 182import java.io.IOException; 183import java.io.PrintWriter; 184import java.nio.charset.StandardCharsets; 185import java.security.cert.CertificateException; 186import java.security.cert.CertificateFactory; 187import java.security.cert.X509Certificate; 188import java.text.DateFormat; 189import java.util.ArrayList; 190import java.util.Arrays; 191import java.util.Collection; 192import java.util.Collections; 193import java.util.Date; 194import java.util.List; 195import java.util.Map.Entry; 196import java.util.Set; 197import java.util.concurrent.TimeUnit; 198import java.util.concurrent.atomic.AtomicBoolean; 199 200/** 201 * Implementation of the device policy APIs. 202 */ 203public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 204 205 private static final String LOG_TAG = "DevicePolicyManager"; 206 207 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 208 209 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 210 211 private static final String TAG_ACCEPTED_CA_CERTIFICATES = "accepted-ca-certificate"; 212 213 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 214 215 private static final String TAG_STATUS_BAR = "statusbar"; 216 217 private static final String ATTR_DISABLED = "disabled"; 218 219 private static final String ATTR_NAME = "name"; 220 221 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 222 "do-not-ask-credentials-on-boot"; 223 224 private static final String TAG_AFFILIATION_ID = "affiliation-id"; 225 226 private static final String TAG_LAST_SECURITY_LOG_RETRIEVAL = "last-security-log-retrieval"; 227 228 private static final String TAG_LAST_BUG_REPORT_REQUEST = "last-bug-report-request"; 229 230 private static final String TAG_LAST_NETWORK_LOG_RETRIEVAL = "last-network-log-retrieval"; 231 232 private static final String TAG_ADMIN_BROADCAST_PENDING = "admin-broadcast-pending"; 233 234 private static final String ATTR_ID = "id"; 235 236 private static final String ATTR_VALUE = "value"; 237 238 private static final String TAG_INITIALIZATION_BUNDLE = "initialization-bundle"; 239 240 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 241 242 private static final long MS_PER_DAY = TimeUnit.DAYS.toMillis(1); 243 244 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 245 246 private static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 247 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 248 249 private static final int MONITORING_CERT_NOTIFICATION_ID = R.plurals.ssl_ca_cert_warning; 250 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 251 private static final int NETWORK_LOGGING_NOTIFICATION_ID = 1002; 252 253 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 254 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 255 private static final String ATTR_PROVISIONING_STATE = "provisioning-state"; 256 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 257 private static final String ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED = 258 "device-provisioning-config-applied"; 259 private static final String ATTR_DEVICE_PAIRED = "device-paired"; 260 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 261 private static final String ATTR_APPLICATION_RESTRICTIONS_MANAGER 262 = "application-restrictions-manager"; 263 264 // Comprehensive list of delegations. 265 private static final String DELEGATIONS[] = { 266 DELEGATION_CERT_INSTALL, 267 DELEGATION_APP_RESTRICTIONS 268 }; 269 270 /** 271 * System property whose value is either "true" or "false", indicating whether 272 * device owner is present. 273 */ 274 private static final String PROPERTY_DEVICE_OWNER_PRESENT = "ro.device_owner"; 275 276 private static final int STATUS_BAR_DISABLE_MASK = 277 StatusBarManager.DISABLE_EXPAND | 278 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 279 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 280 StatusBarManager.DISABLE_SEARCH; 281 282 private static final int STATUS_BAR_DISABLE2_MASK = 283 StatusBarManager.DISABLE2_QUICK_SETTINGS; 284 285 private static final Set<String> SECURE_SETTINGS_WHITELIST; 286 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 287 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 288 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 289 static { 290 SECURE_SETTINGS_WHITELIST = new ArraySet<>(); 291 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 292 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 293 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 294 295 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new ArraySet<>(); 296 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 297 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 298 299 GLOBAL_SETTINGS_WHITELIST = new ArraySet<>(); 300 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 301 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 302 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 303 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 304 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 305 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 306 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 307 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 308 309 GLOBAL_SETTINGS_DEPRECATED = new ArraySet<>(); 310 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 311 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 312 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 313 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 314 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 315 } 316 317 /** 318 * Keyguard features that when set on a managed profile that doesn't have its own challenge will 319 * affect the profile's parent user. These can also be set on the managed profile's parent DPM 320 * instance. 321 */ 322 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 323 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 324 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 325 326 /** 327 * Keyguard features that when set on a profile affect the profile content or challenge only. 328 * These cannot be set on the managed profile's parent DPM instance 329 */ 330 private static final int PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY = 331 DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 332 333 /** Keyguard features that are allowed to be set on a managed profile */ 334 private static final int PROFILE_KEYGUARD_FEATURES = 335 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY; 336 337 private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000; 338 339 /** 340 * Minimum timeout in milliseconds after which unlocking with weak auth times out, 341 * i.e. the user has to use a strong authentication method like password, PIN or pattern. 342 */ 343 private static final long MINIMUM_STRONG_AUTH_TIMEOUT_MS = TimeUnit.HOURS.toMillis(1); 344 345 /** 346 * Strings logged with {@link 347 * com.android.internal.logging.nano.MetricsProto.MetricsEvent#PROVISIONING_ENTRY_POINT_ADB}. 348 */ 349 private static final String LOG_TAG_PROFILE_OWNER = "profile-owner"; 350 private static final String LOG_TAG_DEVICE_OWNER = "device-owner"; 351 352 final Context mContext; 353 final Injector mInjector; 354 final IPackageManager mIPackageManager; 355 final UserManager mUserManager; 356 final UserManagerInternal mUserManagerInternal; 357 final TelephonyManager mTelephonyManager; 358 private final LockPatternUtils mLockPatternUtils; 359 360 /** 361 * Contains (package-user) pairs to remove. An entry (p, u) implies that removal of package p 362 * is requested for user u. 363 */ 364 private final Set<Pair<String, Integer>> mPackagesToRemove = 365 new ArraySet<Pair<String, Integer>>(); 366 367 final LocalService mLocalService; 368 369 // Stores and loads state on device and profile owners. 370 @VisibleForTesting 371 final Owners mOwners; 372 373 private final Binder mToken = new Binder(); 374 375 /** 376 * Whether or not device admin feature is supported. If it isn't return defaults for all 377 * public methods. 378 */ 379 boolean mHasFeature; 380 381 /** 382 * Whether or not this device is a watch. 383 */ 384 boolean mIsWatch; 385 386 private final SecurityLogMonitor mSecurityLogMonitor; 387 private NetworkLogger mNetworkLogger; 388 389 private final AtomicBoolean mRemoteBugreportServiceIsActive = new AtomicBoolean(); 390 private final AtomicBoolean mRemoteBugreportSharingAccepted = new AtomicBoolean(); 391 392 private final Runnable mRemoteBugreportTimeoutRunnable = new Runnable() { 393 @Override 394 public void run() { 395 if(mRemoteBugreportServiceIsActive.get()) { 396 onBugreportFailed(); 397 } 398 } 399 }; 400 401 private final BroadcastReceiver mRemoteBugreportFinishedReceiver = new BroadcastReceiver() { 402 403 @Override 404 public void onReceive(Context context, Intent intent) { 405 if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction()) 406 && mRemoteBugreportServiceIsActive.get()) { 407 onBugreportFinished(intent); 408 } 409 } 410 }; 411 412 private final BroadcastReceiver mRemoteBugreportConsentReceiver = new BroadcastReceiver() { 413 414 @Override 415 public void onReceive(Context context, Intent intent) { 416 String action = intent.getAction(); 417 mInjector.getNotificationManager().cancel(LOG_TAG, 418 RemoteBugreportUtils.NOTIFICATION_ID); 419 if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) { 420 onBugreportSharingAccepted(); 421 } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) { 422 onBugreportSharingDeclined(); 423 } 424 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 425 } 426 }; 427 428 public static final class Lifecycle extends SystemService { 429 private DevicePolicyManagerService mService; 430 431 public Lifecycle(Context context) { 432 super(context); 433 mService = new DevicePolicyManagerService(context); 434 } 435 436 @Override 437 public void onStart() { 438 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 439 } 440 441 @Override 442 public void onBootPhase(int phase) { 443 mService.systemReady(phase); 444 } 445 446 @Override 447 public void onStartUser(int userHandle) { 448 mService.onStartUser(userHandle); 449 } 450 } 451 452 public static class DevicePolicyData { 453 @NonNull PasswordMetrics mActivePasswordMetrics = new PasswordMetrics(); 454 int mFailedPasswordAttempts = 0; 455 456 int mUserHandle; 457 int mPasswordOwner = -1; 458 long mLastMaximumTimeToLock = -1; 459 boolean mUserSetupComplete = false; 460 boolean mPaired = false; 461 int mUserProvisioningState; 462 int mPermissionPolicy; 463 464 boolean mDeviceProvisioningConfigApplied = false; 465 466 final ArrayMap<ComponentName, ActiveAdmin> mAdminMap = new ArrayMap<>(); 467 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 468 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 469 470 final ArraySet<String> mAcceptedCaCertificates = new ArraySet<>(); 471 472 // This is the list of component allowed to start lock task mode. 473 List<String> mLockTaskPackages = new ArrayList<>(); 474 475 boolean mStatusBarDisabled = false; 476 477 ComponentName mRestrictionsProvider; 478 479 // Map of delegate package to delegation scopes 480 final ArrayMap<String, List<String>> mDelegationMap = new ArrayMap<>(); 481 482 boolean doNotAskCredentialsOnBoot = false; 483 484 Set<String> mAffiliationIds = new ArraySet<>(); 485 486 long mLastSecurityLogRetrievalTime = -1; 487 488 long mLastBugReportRequestTime = -1; 489 490 long mLastNetworkLogsRetrievalTime = -1; 491 492 // Used for initialization of users created by createAndManageUsers. 493 boolean mAdminBroadcastPending = false; 494 PersistableBundle mInitBundle = null; 495 496 public DevicePolicyData(int userHandle) { 497 mUserHandle = userHandle; 498 } 499 } 500 501 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 502 503 final Handler mHandler; 504 505 BroadcastReceiver mReceiver = new BroadcastReceiver() { 506 @Override 507 public void onReceive(Context context, Intent intent) { 508 final String action = intent.getAction(); 509 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 510 getSendingUserId()); 511 512 /* 513 * Network logging would ideally be started in setDeviceOwnerSystemPropertyLocked(), 514 * however it's too early in the boot process to register with IIpConnectivityMetrics 515 * to listen for events. 516 */ 517 if (Intent.ACTION_USER_STARTED.equals(action) 518 && userHandle == mOwners.getDeviceOwnerUserId()) { 519 synchronized (DevicePolicyManagerService.this) { 520 if (isNetworkLoggingEnabledInternalLocked()) { 521 setNetworkLoggingActiveInternal(true); 522 } 523 } 524 } 525 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 526 && userHandle == mOwners.getDeviceOwnerUserId() 527 && getDeviceOwnerRemoteBugreportUri() != null) { 528 IntentFilter filterConsent = new IntentFilter(); 529 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 530 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 531 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 532 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 533 RemoteBugreportUtils.NOTIFICATION_ID, 534 RemoteBugreportUtils.buildNotification(mContext, 535 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 536 UserHandle.ALL); 537 } 538 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 539 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 540 if (VERBOSE_LOG) { 541 Slog.v(LOG_TAG, "Sending password expiration notifications for action " 542 + action + " for user " + userHandle); 543 } 544 mHandler.post(new Runnable() { 545 @Override 546 public void run() { 547 handlePasswordExpirationNotification(userHandle); 548 } 549 }); 550 } 551 if (Intent.ACTION_USER_UNLOCKED.equals(action) 552 || Intent.ACTION_USER_STARTED.equals(action) 553 || KeyChain.ACTION_TRUST_STORE_CHANGED.equals(action)) { 554 if (!StorageManager.inCryptKeeperBounce()) { 555 new MonitoringCertNotificationTask().execute( 556 intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL)); 557 } 558 } 559 if (Intent.ACTION_USER_ADDED.equals(action)) { 560 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_ADDED, userHandle); 561 synchronized (DevicePolicyManagerService.this) { 562 // It might take a while for the user to become affiliated. Make security 563 // and network logging unavailable in the meantime. 564 maybePauseDeviceWideLoggingLocked(); 565 } 566 } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 567 sendUserAddedOrRemovedCommand(DeviceAdminReceiver.ACTION_USER_REMOVED, userHandle); 568 synchronized (DevicePolicyManagerService.this) { 569 // Check whether the user is affiliated, *before* removing its data. 570 boolean isRemovedUserAffiliated = isUserAffiliatedWithDeviceLocked(userHandle); 571 removeUserData(userHandle); 572 if (!isRemovedUserAffiliated) { 573 // We discard the logs when unaffiliated users are deleted (so that the 574 // device owner cannot retrieve data about that user after it's gone). 575 discardDeviceWideLogsLocked(); 576 // Resume logging if all remaining users are affiliated. 577 maybeResumeDeviceWideLoggingLocked(); 578 } 579 } 580 } else if (Intent.ACTION_USER_STARTED.equals(action)) { 581 synchronized (DevicePolicyManagerService.this) { 582 // Reset the policy data 583 mUserData.remove(userHandle); 584 sendAdminEnabledBroadcastLocked(userHandle); 585 } 586 handlePackagesChanged(null /* check all admins */, userHandle); 587 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 588 handlePackagesChanged(null /* check all admins */, userHandle); 589 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 590 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 591 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 592 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 593 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 594 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 595 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 596 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 597 clearWipeProfileNotification(); 598 } 599 } 600 601 private void sendUserAddedOrRemovedCommand(String action, int userHandle) { 602 synchronized (DevicePolicyManagerService.this) { 603 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 604 if (deviceOwner != null) { 605 Bundle extras = new Bundle(); 606 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 607 sendAdminCommandLocked(deviceOwner, action, extras, null); 608 } 609 } 610 } 611 }; 612 613 static class ActiveAdmin { 614 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 615 private static final String TAG_TEST_ONLY_ADMIN = "test-only-admin"; 616 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 617 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 618 private static final String TAG_DISABLE_CONTACTS_SEARCH = "disable-contacts-search"; 619 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 620 = "disable-bt-contacts-sharing"; 621 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 622 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 623 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 624 private static final String TAG_FORCE_EPHEMERAL_USERS = "force_ephemeral_users"; 625 private static final String TAG_IS_NETWORK_LOGGING_ENABLED = "is_network_logging_enabled"; 626 private static final String TAG_ACCOUNT_TYPE = "account-type"; 627 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 628 = "permitted-accessiblity-services"; 629 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 630 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 631 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 632 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 633 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 634 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 635 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 636 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 637 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 638 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 639 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 640 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 641 private static final String TAG_STRONG_AUTH_UNLOCK_TIMEOUT = "strong-auth-unlock-timeout"; 642 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 643 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 644 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 645 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 646 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 647 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 648 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 649 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 650 private static final String ATTR_VALUE = "value"; 651 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 652 private static final String TAG_POLICIES = "policies"; 653 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 654 "cross-profile-widget-providers"; 655 private static final String TAG_PROVIDER = "provider"; 656 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 657 private static final String TAG_KEEP_UNINSTALLED_PACKAGES = "keep-uninstalled-packages"; 658 private static final String TAG_USER_RESTRICTIONS = "user-restrictions"; 659 private static final String TAG_DEFAULT_ENABLED_USER_RESTRICTIONS = 660 "default-enabled-user-restrictions"; 661 private static final String TAG_RESTRICTION = "restriction"; 662 private static final String TAG_SHORT_SUPPORT_MESSAGE = "short-support-message"; 663 private static final String TAG_LONG_SUPPORT_MESSAGE = "long-support-message"; 664 private static final String TAG_PARENT_ADMIN = "parent-admin"; 665 private static final String TAG_ORGANIZATION_COLOR = "organization-color"; 666 private static final String TAG_ORGANIZATION_NAME = "organization-name"; 667 private static final String ATTR_LAST_NETWORK_LOGGING_NOTIFICATION = "last-notification"; 668 private static final String ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS = "num-notifications"; 669 670 final DeviceAdminInfo info; 671 672 673 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 674 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 675 676 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 677 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 678 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 679 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 680 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 681 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 682 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 683 @NonNull 684 PasswordMetrics minimumPasswordMetrics = new PasswordMetrics( 685 DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, DEF_MINIMUM_PASSWORD_LENGTH, 686 DEF_MINIMUM_PASSWORD_LETTERS, DEF_MINIMUM_PASSWORD_UPPER_CASE, 687 DEF_MINIMUM_PASSWORD_LOWER_CASE, DEF_MINIMUM_PASSWORD_NUMERIC, 688 DEF_MINIMUM_PASSWORD_SYMBOLS, DEF_MINIMUM_PASSWORD_NON_LETTER); 689 690 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 691 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 692 693 long strongAuthUnlockTimeout = 0; // admin doesn't participate by default 694 695 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 696 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 697 698 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 699 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 700 701 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 702 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 703 704 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 705 706 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 707 708 boolean encryptionRequested = false; 709 boolean testOnlyAdmin = false; 710 boolean disableCamera = false; 711 boolean disableCallerId = false; 712 boolean disableContactsSearch = false; 713 boolean disableBluetoothContactSharing = true; 714 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 715 boolean requireAutoTime = false; // Can only be set by a device owner. 716 boolean forceEphemeralUsers = false; // Can only be set by a device owner. 717 boolean isNetworkLoggingEnabled = false; // Can only be set by a device owner. 718 719 // one notification after enabling + 3 more after reboots 720 static final int DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN = 4; 721 int numNetworkLoggingNotifications = 0; 722 long lastNetworkLoggingNotificationTimeMs = 0; // Time in milliseconds since epoch 723 724 ActiveAdmin parentAdmin; 725 final boolean isParent; 726 727 static class TrustAgentInfo { 728 public PersistableBundle options; 729 TrustAgentInfo(PersistableBundle bundle) { 730 options = bundle; 731 } 732 } 733 734 final Set<String> accountTypesWithManagementDisabled = new ArraySet<>(); 735 736 // The list of permitted accessibility services package namesas set by a profile 737 // or device owner. Null means all accessibility services are allowed, empty means 738 // none except system services are allowed. 739 List<String> permittedAccessiblityServices; 740 741 // The list of permitted input methods package names as set by a profile or device owner. 742 // Null means all input methods are allowed, empty means none except system imes are 743 // allowed. 744 List<String> permittedInputMethods; 745 746 // List of package names to keep cached. 747 List<String> keepUninstalledPackages; 748 749 // TODO: review implementation decisions with frameworks team 750 boolean specifiesGlobalProxy = false; 751 String globalProxySpec = null; 752 String globalProxyExclusionList = null; 753 754 ArrayMap<String, TrustAgentInfo> trustAgentInfos = new ArrayMap<>(); 755 756 List<String> crossProfileWidgetProviders; 757 758 Bundle userRestrictions; 759 760 // User restrictions that have already been enabled by default for this admin (either when 761 // setting the device or profile owner, or during a system update if one of those "enabled 762 // by default" restrictions is newly added). 763 final Set<String> defaultEnabledRestrictionsAlreadySet = new ArraySet<>(); 764 765 // Support text provided by the admin to display to the user. 766 CharSequence shortSupportMessage = null; 767 CharSequence longSupportMessage = null; 768 769 // Background color of confirm credentials screen. Default: teal. 770 static final int DEF_ORGANIZATION_COLOR = Color.parseColor("#00796B"); 771 int organizationColor = DEF_ORGANIZATION_COLOR; 772 773 // Default title of confirm credentials screen 774 String organizationName = null; 775 776 ActiveAdmin(DeviceAdminInfo _info, boolean parent) { 777 info = _info; 778 isParent = parent; 779 } 780 781 ActiveAdmin getParentActiveAdmin() { 782 Preconditions.checkState(!isParent); 783 784 if (parentAdmin == null) { 785 parentAdmin = new ActiveAdmin(info, /* parent */ true); 786 } 787 return parentAdmin; 788 } 789 790 boolean hasParentActiveAdmin() { 791 return parentAdmin != null; 792 } 793 794 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 795 796 public UserHandle getUserHandle() { 797 return UserHandle.of(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 798 } 799 800 void writeToXml(XmlSerializer out) 801 throws IllegalArgumentException, IllegalStateException, IOException { 802 out.startTag(null, TAG_POLICIES); 803 info.writePoliciesToXml(out); 804 out.endTag(null, TAG_POLICIES); 805 if (minimumPasswordMetrics.quality 806 != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 807 out.startTag(null, TAG_PASSWORD_QUALITY); 808 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.quality)); 809 out.endTag(null, TAG_PASSWORD_QUALITY); 810 if (minimumPasswordMetrics.length != DEF_MINIMUM_PASSWORD_LENGTH) { 811 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 812 out.attribute( 813 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.length)); 814 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 815 } 816 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 817 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 818 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 819 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 820 } 821 if (minimumPasswordMetrics.upperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 822 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 823 out.attribute( 824 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.upperCase)); 825 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 826 } 827 if (minimumPasswordMetrics.lowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 828 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 829 out.attribute( 830 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.lowerCase)); 831 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 832 } 833 if (minimumPasswordMetrics.letters != DEF_MINIMUM_PASSWORD_LETTERS) { 834 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 835 out.attribute( 836 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.letters)); 837 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 838 } 839 if (minimumPasswordMetrics.numeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 840 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 841 out.attribute( 842 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.numeric)); 843 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 844 } 845 if (minimumPasswordMetrics.symbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 846 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 847 out.attribute( 848 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.symbols)); 849 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 850 } 851 if (minimumPasswordMetrics.nonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 852 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 853 out.attribute( 854 null, ATTR_VALUE, Integer.toString(minimumPasswordMetrics.nonLetter)); 855 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 856 } 857 } 858 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 859 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 860 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 861 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 862 } 863 if (strongAuthUnlockTimeout != DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 864 out.startTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 865 out.attribute(null, ATTR_VALUE, Long.toString(strongAuthUnlockTimeout)); 866 out.endTag(null, TAG_STRONG_AUTH_UNLOCK_TIMEOUT); 867 } 868 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 869 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 870 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 871 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 872 } 873 if (specifiesGlobalProxy) { 874 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 875 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 876 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 877 if (globalProxySpec != null) { 878 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 879 out.attribute(null, ATTR_VALUE, globalProxySpec); 880 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 881 } 882 if (globalProxyExclusionList != null) { 883 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 884 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 885 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 886 } 887 } 888 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 889 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 890 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 891 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 892 } 893 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 894 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 895 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 896 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 897 } 898 if (encryptionRequested) { 899 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 900 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 901 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 902 } 903 if (testOnlyAdmin) { 904 out.startTag(null, TAG_TEST_ONLY_ADMIN); 905 out.attribute(null, ATTR_VALUE, Boolean.toString(testOnlyAdmin)); 906 out.endTag(null, TAG_TEST_ONLY_ADMIN); 907 } 908 if (disableCamera) { 909 out.startTag(null, TAG_DISABLE_CAMERA); 910 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 911 out.endTag(null, TAG_DISABLE_CAMERA); 912 } 913 if (disableCallerId) { 914 out.startTag(null, TAG_DISABLE_CALLER_ID); 915 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 916 out.endTag(null, TAG_DISABLE_CALLER_ID); 917 } 918 if (disableContactsSearch) { 919 out.startTag(null, TAG_DISABLE_CONTACTS_SEARCH); 920 out.attribute(null, ATTR_VALUE, Boolean.toString(disableContactsSearch)); 921 out.endTag(null, TAG_DISABLE_CONTACTS_SEARCH); 922 } 923 if (!disableBluetoothContactSharing) { 924 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 925 out.attribute(null, ATTR_VALUE, 926 Boolean.toString(disableBluetoothContactSharing)); 927 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 928 } 929 if (disableScreenCapture) { 930 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 931 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 932 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 933 } 934 if (requireAutoTime) { 935 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 936 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 937 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 938 } 939 if (forceEphemeralUsers) { 940 out.startTag(null, TAG_FORCE_EPHEMERAL_USERS); 941 out.attribute(null, ATTR_VALUE, Boolean.toString(forceEphemeralUsers)); 942 out.endTag(null, TAG_FORCE_EPHEMERAL_USERS); 943 } 944 if (isNetworkLoggingEnabled) { 945 out.startTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 946 out.attribute(null, ATTR_VALUE, Boolean.toString(isNetworkLoggingEnabled)); 947 out.attribute(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS, 948 Integer.toString(numNetworkLoggingNotifications)); 949 out.attribute(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION, 950 Long.toString(lastNetworkLoggingNotificationTimeMs)); 951 out.endTag(null, TAG_IS_NETWORK_LOGGING_ENABLED); 952 } 953 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 954 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 955 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 956 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 957 } 958 if (!accountTypesWithManagementDisabled.isEmpty()) { 959 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 960 writeAttributeValuesToXml( 961 out, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 962 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 963 } 964 if (!trustAgentInfos.isEmpty()) { 965 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 966 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 967 for (Entry<String, TrustAgentInfo> entry : set) { 968 TrustAgentInfo trustAgentInfo = entry.getValue(); 969 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 970 out.attribute(null, ATTR_VALUE, entry.getKey()); 971 if (trustAgentInfo.options != null) { 972 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 973 try { 974 trustAgentInfo.options.saveToXml(out); 975 } catch (XmlPullParserException e) { 976 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 977 } 978 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 979 } 980 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 981 } 982 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 983 } 984 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 985 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 986 writeAttributeValuesToXml(out, TAG_PROVIDER, crossProfileWidgetProviders); 987 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 988 } 989 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 990 permittedAccessiblityServices); 991 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 992 writePackageListToXml(out, TAG_KEEP_UNINSTALLED_PACKAGES, keepUninstalledPackages); 993 if (hasUserRestrictions()) { 994 UserRestrictionsUtils.writeRestrictions( 995 out, userRestrictions, TAG_USER_RESTRICTIONS); 996 } 997 if (!defaultEnabledRestrictionsAlreadySet.isEmpty()) { 998 out.startTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 999 writeAttributeValuesToXml( 1000 out, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 1001 out.endTag(null, TAG_DEFAULT_ENABLED_USER_RESTRICTIONS); 1002 } 1003 if (!TextUtils.isEmpty(shortSupportMessage)) { 1004 out.startTag(null, TAG_SHORT_SUPPORT_MESSAGE); 1005 out.text(shortSupportMessage.toString()); 1006 out.endTag(null, TAG_SHORT_SUPPORT_MESSAGE); 1007 } 1008 if (!TextUtils.isEmpty(longSupportMessage)) { 1009 out.startTag(null, TAG_LONG_SUPPORT_MESSAGE); 1010 out.text(longSupportMessage.toString()); 1011 out.endTag(null, TAG_LONG_SUPPORT_MESSAGE); 1012 } 1013 if (parentAdmin != null) { 1014 out.startTag(null, TAG_PARENT_ADMIN); 1015 parentAdmin.writeToXml(out); 1016 out.endTag(null, TAG_PARENT_ADMIN); 1017 } 1018 if (organizationColor != DEF_ORGANIZATION_COLOR) { 1019 out.startTag(null, TAG_ORGANIZATION_COLOR); 1020 out.attribute(null, ATTR_VALUE, Integer.toString(organizationColor)); 1021 out.endTag(null, TAG_ORGANIZATION_COLOR); 1022 } 1023 if (organizationName != null) { 1024 out.startTag(null, TAG_ORGANIZATION_NAME); 1025 out.text(organizationName); 1026 out.endTag(null, TAG_ORGANIZATION_NAME); 1027 } 1028 } 1029 1030 void writePackageListToXml(XmlSerializer out, String outerTag, 1031 List<String> packageList) 1032 throws IllegalArgumentException, IllegalStateException, IOException { 1033 if (packageList == null) { 1034 return; 1035 } 1036 1037 out.startTag(null, outerTag); 1038 writeAttributeValuesToXml(out, TAG_PACKAGE_LIST_ITEM, packageList); 1039 out.endTag(null, outerTag); 1040 } 1041 1042 void writeAttributeValuesToXml(XmlSerializer out, String tag, 1043 @NonNull Collection<String> values) throws IOException { 1044 for (String value : values) { 1045 out.startTag(null, tag); 1046 out.attribute(null, ATTR_VALUE, value); 1047 out.endTag(null, tag); 1048 } 1049 } 1050 1051 void readFromXml(XmlPullParser parser) 1052 throws XmlPullParserException, IOException { 1053 int outerDepth = parser.getDepth(); 1054 int type; 1055 while ((type=parser.next()) != END_DOCUMENT 1056 && (type != END_TAG || parser.getDepth() > outerDepth)) { 1057 if (type == END_TAG || type == TEXT) { 1058 continue; 1059 } 1060 String tag = parser.getName(); 1061 if (TAG_POLICIES.equals(tag)) { 1062 info.readPoliciesFromXml(parser); 1063 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 1064 minimumPasswordMetrics.quality = Integer.parseInt( 1065 parser.getAttributeValue(null, ATTR_VALUE)); 1066 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 1067 minimumPasswordMetrics.length = Integer.parseInt( 1068 parser.getAttributeValue(null, ATTR_VALUE)); 1069 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 1070 passwordHistoryLength = Integer.parseInt( 1071 parser.getAttributeValue(null, ATTR_VALUE)); 1072 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 1073 minimumPasswordMetrics.upperCase = Integer.parseInt( 1074 parser.getAttributeValue(null, ATTR_VALUE)); 1075 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 1076 minimumPasswordMetrics.lowerCase = Integer.parseInt( 1077 parser.getAttributeValue(null, ATTR_VALUE)); 1078 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 1079 minimumPasswordMetrics.letters = Integer.parseInt( 1080 parser.getAttributeValue(null, ATTR_VALUE)); 1081 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 1082 minimumPasswordMetrics.numeric = Integer.parseInt( 1083 parser.getAttributeValue(null, ATTR_VALUE)); 1084 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 1085 minimumPasswordMetrics.symbols = Integer.parseInt( 1086 parser.getAttributeValue(null, ATTR_VALUE)); 1087 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 1088 minimumPasswordMetrics.nonLetter = Integer.parseInt( 1089 parser.getAttributeValue(null, ATTR_VALUE)); 1090 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 1091 maximumTimeToUnlock = Long.parseLong( 1092 parser.getAttributeValue(null, ATTR_VALUE)); 1093 } else if (TAG_STRONG_AUTH_UNLOCK_TIMEOUT.equals(tag)) { 1094 strongAuthUnlockTimeout = Long.parseLong( 1095 parser.getAttributeValue(null, ATTR_VALUE)); 1096 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 1097 maximumFailedPasswordsForWipe = Integer.parseInt( 1098 parser.getAttributeValue(null, ATTR_VALUE)); 1099 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 1100 specifiesGlobalProxy = Boolean.parseBoolean( 1101 parser.getAttributeValue(null, ATTR_VALUE)); 1102 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 1103 globalProxySpec = 1104 parser.getAttributeValue(null, ATTR_VALUE); 1105 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 1106 globalProxyExclusionList = 1107 parser.getAttributeValue(null, ATTR_VALUE); 1108 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 1109 passwordExpirationTimeout = Long.parseLong( 1110 parser.getAttributeValue(null, ATTR_VALUE)); 1111 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 1112 passwordExpirationDate = Long.parseLong( 1113 parser.getAttributeValue(null, ATTR_VALUE)); 1114 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 1115 encryptionRequested = Boolean.parseBoolean( 1116 parser.getAttributeValue(null, ATTR_VALUE)); 1117 } else if (TAG_TEST_ONLY_ADMIN.equals(tag)) { 1118 testOnlyAdmin = Boolean.parseBoolean( 1119 parser.getAttributeValue(null, ATTR_VALUE)); 1120 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 1121 disableCamera = Boolean.parseBoolean( 1122 parser.getAttributeValue(null, ATTR_VALUE)); 1123 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 1124 disableCallerId = Boolean.parseBoolean( 1125 parser.getAttributeValue(null, ATTR_VALUE)); 1126 } else if (TAG_DISABLE_CONTACTS_SEARCH.equals(tag)) { 1127 disableContactsSearch = Boolean.parseBoolean( 1128 parser.getAttributeValue(null, ATTR_VALUE)); 1129 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 1130 disableBluetoothContactSharing = Boolean.parseBoolean(parser 1131 .getAttributeValue(null, ATTR_VALUE)); 1132 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 1133 disableScreenCapture = Boolean.parseBoolean( 1134 parser.getAttributeValue(null, ATTR_VALUE)); 1135 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 1136 requireAutoTime = Boolean.parseBoolean( 1137 parser.getAttributeValue(null, ATTR_VALUE)); 1138 } else if (TAG_FORCE_EPHEMERAL_USERS.equals(tag)) { 1139 forceEphemeralUsers = Boolean.parseBoolean( 1140 parser.getAttributeValue(null, ATTR_VALUE)); 1141 } else if (TAG_IS_NETWORK_LOGGING_ENABLED.equals(tag)) { 1142 isNetworkLoggingEnabled = Boolean.parseBoolean( 1143 parser.getAttributeValue(null, ATTR_VALUE)); 1144 lastNetworkLoggingNotificationTimeMs = Long.parseLong( 1145 parser.getAttributeValue(null, ATTR_LAST_NETWORK_LOGGING_NOTIFICATION)); 1146 numNetworkLoggingNotifications = Integer.parseInt( 1147 parser.getAttributeValue(null, ATTR_NUM_NETWORK_LOGGING_NOTIFICATIONS)); 1148 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 1149 disabledKeyguardFeatures = Integer.parseInt( 1150 parser.getAttributeValue(null, ATTR_VALUE)); 1151 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 1152 readAttributeValues( 1153 parser, TAG_ACCOUNT_TYPE, accountTypesWithManagementDisabled); 1154 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 1155 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 1156 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 1157 crossProfileWidgetProviders = new ArrayList<>(); 1158 readAttributeValues(parser, TAG_PROVIDER, crossProfileWidgetProviders); 1159 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 1160 permittedAccessiblityServices = readPackageList(parser, tag); 1161 } else if (TAG_PERMITTED_IMES.equals(tag)) { 1162 permittedInputMethods = readPackageList(parser, tag); 1163 } else if (TAG_KEEP_UNINSTALLED_PACKAGES.equals(tag)) { 1164 keepUninstalledPackages = readPackageList(parser, tag); 1165 } else if (TAG_USER_RESTRICTIONS.equals(tag)) { 1166 userRestrictions = UserRestrictionsUtils.readRestrictions(parser); 1167 } else if (TAG_DEFAULT_ENABLED_USER_RESTRICTIONS.equals(tag)) { 1168 readAttributeValues( 1169 parser, TAG_RESTRICTION, defaultEnabledRestrictionsAlreadySet); 1170 } else if (TAG_SHORT_SUPPORT_MESSAGE.equals(tag)) { 1171 type = parser.next(); 1172 if (type == XmlPullParser.TEXT) { 1173 shortSupportMessage = parser.getText(); 1174 } else { 1175 Log.w(LOG_TAG, "Missing text when loading short support message"); 1176 } 1177 } else if (TAG_LONG_SUPPORT_MESSAGE.equals(tag)) { 1178 type = parser.next(); 1179 if (type == XmlPullParser.TEXT) { 1180 longSupportMessage = parser.getText(); 1181 } else { 1182 Log.w(LOG_TAG, "Missing text when loading long support message"); 1183 } 1184 } else if (TAG_PARENT_ADMIN.equals(tag)) { 1185 Preconditions.checkState(!isParent); 1186 1187 parentAdmin = new ActiveAdmin(info, /* parent */ true); 1188 parentAdmin.readFromXml(parser); 1189 } else if (TAG_ORGANIZATION_COLOR.equals(tag)) { 1190 organizationColor = Integer.parseInt( 1191 parser.getAttributeValue(null, ATTR_VALUE)); 1192 } else if (TAG_ORGANIZATION_NAME.equals(tag)) { 1193 type = parser.next(); 1194 if (type == XmlPullParser.TEXT) { 1195 organizationName = parser.getText(); 1196 } else { 1197 Log.w(LOG_TAG, "Missing text when loading organization name"); 1198 } 1199 } else { 1200 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 1201 XmlUtils.skipCurrentTag(parser); 1202 } 1203 } 1204 } 1205 1206 private List<String> readPackageList(XmlPullParser parser, 1207 String tag) throws XmlPullParserException, IOException { 1208 List<String> result = new ArrayList<String>(); 1209 int outerDepth = parser.getDepth(); 1210 int outerType; 1211 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 1212 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1213 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 1214 continue; 1215 } 1216 String outerTag = parser.getName(); 1217 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 1218 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 1219 if (packageName != null) { 1220 result.add(packageName); 1221 } else { 1222 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 1223 } 1224 } else { 1225 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 1226 } 1227 } 1228 return result; 1229 } 1230 1231 private void readAttributeValues( 1232 XmlPullParser parser, String tag, Collection<String> result) 1233 throws XmlPullParserException, IOException { 1234 result.clear(); 1235 int outerDepthDAM = parser.getDepth(); 1236 int typeDAM; 1237 while ((typeDAM=parser.next()) != END_DOCUMENT 1238 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1239 if (typeDAM == END_TAG || typeDAM == TEXT) { 1240 continue; 1241 } 1242 String tagDAM = parser.getName(); 1243 if (tag.equals(tagDAM)) { 1244 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 1245 } else { 1246 Slog.e(LOG_TAG, "Expected tag " + tag + " but found " + tagDAM); 1247 } 1248 } 1249 } 1250 1251 private ArrayMap<String, TrustAgentInfo> getAllTrustAgentInfos( 1252 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 1253 int outerDepthDAM = parser.getDepth(); 1254 int typeDAM; 1255 final ArrayMap<String, TrustAgentInfo> result = new ArrayMap<>(); 1256 while ((typeDAM=parser.next()) != END_DOCUMENT 1257 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1258 if (typeDAM == END_TAG || typeDAM == TEXT) { 1259 continue; 1260 } 1261 String tagDAM = parser.getName(); 1262 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 1263 final String component = parser.getAttributeValue(null, ATTR_VALUE); 1264 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 1265 result.put(component, trustAgentInfo); 1266 } else { 1267 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1268 } 1269 } 1270 return result; 1271 } 1272 1273 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 1274 throws XmlPullParserException, IOException { 1275 int outerDepthDAM = parser.getDepth(); 1276 int typeDAM; 1277 TrustAgentInfo result = new TrustAgentInfo(null); 1278 while ((typeDAM=parser.next()) != END_DOCUMENT 1279 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 1280 if (typeDAM == END_TAG || typeDAM == TEXT) { 1281 continue; 1282 } 1283 String tagDAM = parser.getName(); 1284 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 1285 result.options = PersistableBundle.restoreFromXml(parser); 1286 } else { 1287 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 1288 } 1289 } 1290 return result; 1291 } 1292 1293 boolean hasUserRestrictions() { 1294 return userRestrictions != null && userRestrictions.size() > 0; 1295 } 1296 1297 Bundle ensureUserRestrictions() { 1298 if (userRestrictions == null) { 1299 userRestrictions = new Bundle(); 1300 } 1301 return userRestrictions; 1302 } 1303 1304 void dump(String prefix, PrintWriter pw) { 1305 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 1306 pw.print(prefix); pw.print("testOnlyAdmin="); 1307 pw.println(testOnlyAdmin); 1308 pw.print(prefix); pw.println("policies:"); 1309 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 1310 if (pols != null) { 1311 for (int i=0; i<pols.size(); i++) { 1312 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 1313 } 1314 } 1315 pw.print(prefix); pw.print("passwordQuality=0x"); 1316 pw.println(Integer.toHexString(minimumPasswordMetrics.quality)); 1317 pw.print(prefix); pw.print("minimumPasswordLength="); 1318 pw.println(minimumPasswordMetrics.length); 1319 pw.print(prefix); pw.print("passwordHistoryLength="); 1320 pw.println(passwordHistoryLength); 1321 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 1322 pw.println(minimumPasswordMetrics.upperCase); 1323 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 1324 pw.println(minimumPasswordMetrics.lowerCase); 1325 pw.print(prefix); pw.print("minimumPasswordLetters="); 1326 pw.println(minimumPasswordMetrics.letters); 1327 pw.print(prefix); pw.print("minimumPasswordNumeric="); 1328 pw.println(minimumPasswordMetrics.numeric); 1329 pw.print(prefix); pw.print("minimumPasswordSymbols="); 1330 pw.println(minimumPasswordMetrics.symbols); 1331 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 1332 pw.println(minimumPasswordMetrics.nonLetter); 1333 pw.print(prefix); pw.print("maximumTimeToUnlock="); 1334 pw.println(maximumTimeToUnlock); 1335 pw.print(prefix); pw.print("strongAuthUnlockTimeout="); 1336 pw.println(strongAuthUnlockTimeout); 1337 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 1338 pw.println(maximumFailedPasswordsForWipe); 1339 pw.print(prefix); pw.print("specifiesGlobalProxy="); 1340 pw.println(specifiesGlobalProxy); 1341 pw.print(prefix); pw.print("passwordExpirationTimeout="); 1342 pw.println(passwordExpirationTimeout); 1343 pw.print(prefix); pw.print("passwordExpirationDate="); 1344 pw.println(passwordExpirationDate); 1345 if (globalProxySpec != null) { 1346 pw.print(prefix); pw.print("globalProxySpec="); 1347 pw.println(globalProxySpec); 1348 } 1349 if (globalProxyExclusionList != null) { 1350 pw.print(prefix); pw.print("globalProxyEclusionList="); 1351 pw.println(globalProxyExclusionList); 1352 } 1353 pw.print(prefix); pw.print("encryptionRequested="); 1354 pw.println(encryptionRequested); 1355 pw.print(prefix); pw.print("disableCamera="); 1356 pw.println(disableCamera); 1357 pw.print(prefix); pw.print("disableCallerId="); 1358 pw.println(disableCallerId); 1359 pw.print(prefix); pw.print("disableContactsSearch="); 1360 pw.println(disableContactsSearch); 1361 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 1362 pw.println(disableBluetoothContactSharing); 1363 pw.print(prefix); pw.print("disableScreenCapture="); 1364 pw.println(disableScreenCapture); 1365 pw.print(prefix); pw.print("requireAutoTime="); 1366 pw.println(requireAutoTime); 1367 pw.print(prefix); pw.print("forceEphemeralUsers="); 1368 pw.println(forceEphemeralUsers); 1369 pw.print(prefix); pw.print("isNetworkLoggingEnabled="); 1370 pw.println(isNetworkLoggingEnabled); 1371 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 1372 pw.println(disabledKeyguardFeatures); 1373 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 1374 pw.println(crossProfileWidgetProviders); 1375 if (permittedAccessiblityServices != null) { 1376 pw.print(prefix); pw.print("permittedAccessibilityServices="); 1377 pw.println(permittedAccessiblityServices); 1378 } 1379 if (permittedInputMethods != null) { 1380 pw.print(prefix); pw.print("permittedInputMethods="); 1381 pw.println(permittedInputMethods); 1382 } 1383 if (keepUninstalledPackages != null) { 1384 pw.print(prefix); pw.print("keepUninstalledPackages="); 1385 pw.println(keepUninstalledPackages); 1386 } 1387 pw.print(prefix); pw.print("organizationColor="); 1388 pw.println(organizationColor); 1389 if (organizationName != null) { 1390 pw.print(prefix); pw.print("organizationName="); 1391 pw.println(organizationName); 1392 } 1393 pw.print(prefix); pw.println("userRestrictions:"); 1394 UserRestrictionsUtils.dumpRestrictions(pw, prefix + " ", userRestrictions); 1395 pw.print(prefix); pw.print("defaultEnabledRestrictionsAlreadySet="); 1396 pw.println(defaultEnabledRestrictionsAlreadySet); 1397 pw.print(prefix); pw.print("isParent="); 1398 pw.println(isParent); 1399 if (parentAdmin != null) { 1400 pw.print(prefix); pw.println("parentAdmin:"); 1401 parentAdmin.dump(prefix + " ", pw); 1402 } 1403 } 1404 } 1405 1406 private void handlePackagesChanged(String packageName, int userHandle) { 1407 boolean removedAdmin = false; 1408 if (VERBOSE_LOG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 1409 DevicePolicyData policy = getUserData(userHandle); 1410 synchronized (this) { 1411 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1412 ActiveAdmin aa = policy.mAdminList.get(i); 1413 try { 1414 // If we're checking all packages or if the specific one we're checking matches, 1415 // then check if the package and receiver still exist. 1416 final String adminPackage = aa.info.getPackageName(); 1417 if (packageName == null || packageName.equals(adminPackage)) { 1418 if (mIPackageManager.getPackageInfo(adminPackage, 0, userHandle) == null 1419 || mIPackageManager.getReceiverInfo(aa.info.getComponent(), 1420 PackageManager.MATCH_DIRECT_BOOT_AWARE 1421 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 1422 userHandle) == null) { 1423 removedAdmin = true; 1424 policy.mAdminList.remove(i); 1425 policy.mAdminMap.remove(aa.info.getComponent()); 1426 } 1427 } 1428 } catch (RemoteException re) { 1429 // Shouldn't happen. 1430 } 1431 } 1432 if (removedAdmin) { 1433 validatePasswordOwnerLocked(policy); 1434 } 1435 1436 boolean removedDelegate = false; 1437 1438 // Check if a delegate was removed. 1439 for (int i = policy.mDelegationMap.size() - 1; i >= 0; i--) { 1440 final String delegatePackage = policy.mDelegationMap.keyAt(i); 1441 if (isRemovedPackage(packageName, delegatePackage, userHandle)) { 1442 policy.mDelegationMap.removeAt(i); 1443 removedDelegate = true; 1444 } 1445 } 1446 1447 // Persist updates if the removed package was an admin or delegate. 1448 if (removedAdmin || removedDelegate) { 1449 saveSettingsLocked(policy.mUserHandle); 1450 } 1451 } 1452 if (removedAdmin) { 1453 // The removed admin might have disabled camera, so update user restrictions. 1454 pushUserRestrictions(userHandle); 1455 } 1456 } 1457 1458 private boolean isRemovedPackage(String changedPackage, String targetPackage, int userHandle) { 1459 try { 1460 return targetPackage != null 1461 && (changedPackage == null || changedPackage.equals(targetPackage)) 1462 && mIPackageManager.getPackageInfo(targetPackage, 0, userHandle) == null; 1463 } catch (RemoteException e) { 1464 // Shouldn't happen 1465 } 1466 1467 return false; 1468 } 1469 1470 /** 1471 * Unit test will subclass it to inject mocks. 1472 */ 1473 @VisibleForTesting 1474 static class Injector { 1475 1476 private final Context mContext; 1477 1478 Injector(Context context) { 1479 mContext = context; 1480 } 1481 1482 Owners newOwners() { 1483 return new Owners(getUserManager(), getUserManagerInternal(), 1484 getPackageManagerInternal()); 1485 } 1486 1487 UserManager getUserManager() { 1488 return UserManager.get(mContext); 1489 } 1490 1491 UserManagerInternal getUserManagerInternal() { 1492 return LocalServices.getService(UserManagerInternal.class); 1493 } 1494 1495 PackageManagerInternal getPackageManagerInternal() { 1496 return LocalServices.getService(PackageManagerInternal.class); 1497 } 1498 1499 NotificationManager getNotificationManager() { 1500 return mContext.getSystemService(NotificationManager.class); 1501 } 1502 1503 IIpConnectivityMetrics getIIpConnectivityMetrics() { 1504 return (IIpConnectivityMetrics) IIpConnectivityMetrics.Stub.asInterface( 1505 ServiceManager.getService(IpConnectivityLog.SERVICE_NAME)); 1506 } 1507 1508 PackageManager getPackageManager() { 1509 return mContext.getPackageManager(); 1510 } 1511 1512 PowerManagerInternal getPowerManagerInternal() { 1513 return LocalServices.getService(PowerManagerInternal.class); 1514 } 1515 1516 TelephonyManager getTelephonyManager() { 1517 return TelephonyManager.from(mContext); 1518 } 1519 1520 TrustManager getTrustManager() { 1521 return (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE); 1522 } 1523 1524 IWindowManager getIWindowManager() { 1525 return IWindowManager.Stub 1526 .asInterface(ServiceManager.getService(Context.WINDOW_SERVICE)); 1527 } 1528 1529 IActivityManager getIActivityManager() { 1530 return ActivityManager.getService(); 1531 } 1532 1533 IPackageManager getIPackageManager() { 1534 return AppGlobals.getPackageManager(); 1535 } 1536 1537 IBackupManager getIBackupManager() { 1538 return IBackupManager.Stub.asInterface( 1539 ServiceManager.getService(Context.BACKUP_SERVICE)); 1540 } 1541 1542 IAudioService getIAudioService() { 1543 return IAudioService.Stub.asInterface(ServiceManager.getService(Context.AUDIO_SERVICE)); 1544 } 1545 1546 boolean isBuildDebuggable() { 1547 return Build.IS_DEBUGGABLE; 1548 } 1549 1550 LockPatternUtils newLockPatternUtils() { 1551 return new LockPatternUtils(mContext); 1552 } 1553 1554 boolean storageManagerIsFileBasedEncryptionEnabled() { 1555 return StorageManager.isFileEncryptedNativeOnly(); 1556 } 1557 1558 boolean storageManagerIsNonDefaultBlockEncrypted() { 1559 long identity = Binder.clearCallingIdentity(); 1560 try { 1561 return StorageManager.isNonDefaultBlockEncrypted(); 1562 } finally { 1563 Binder.restoreCallingIdentity(identity); 1564 } 1565 } 1566 1567 boolean storageManagerIsEncrypted() { 1568 return StorageManager.isEncrypted(); 1569 } 1570 1571 boolean storageManagerIsEncryptable() { 1572 return StorageManager.isEncryptable(); 1573 } 1574 1575 Looper getMyLooper() { 1576 return Looper.myLooper(); 1577 } 1578 1579 WifiManager getWifiManager() { 1580 return mContext.getSystemService(WifiManager.class); 1581 } 1582 1583 long binderClearCallingIdentity() { 1584 return Binder.clearCallingIdentity(); 1585 } 1586 1587 void binderRestoreCallingIdentity(long token) { 1588 Binder.restoreCallingIdentity(token); 1589 } 1590 1591 int binderGetCallingUid() { 1592 return Binder.getCallingUid(); 1593 } 1594 1595 int binderGetCallingPid() { 1596 return Binder.getCallingPid(); 1597 } 1598 1599 UserHandle binderGetCallingUserHandle() { 1600 return Binder.getCallingUserHandle(); 1601 } 1602 1603 boolean binderIsCallingUidMyUid() { 1604 return getCallingUid() == Process.myUid(); 1605 } 1606 1607 final int userHandleGetCallingUserId() { 1608 return UserHandle.getUserId(binderGetCallingUid()); 1609 } 1610 1611 File environmentGetUserSystemDirectory(int userId) { 1612 return Environment.getUserSystemDirectory(userId); 1613 } 1614 1615 void powerManagerGoToSleep(long time, int reason, int flags) { 1616 mContext.getSystemService(PowerManager.class).goToSleep(time, reason, flags); 1617 } 1618 1619 void powerManagerReboot(String reason) { 1620 mContext.getSystemService(PowerManager.class).reboot(reason); 1621 } 1622 1623 void recoverySystemRebootWipeUserData(boolean shutdown, String reason, boolean force) 1624 throws IOException { 1625 RecoverySystem.rebootWipeUserData(mContext, shutdown, reason, force); 1626 } 1627 1628 boolean systemPropertiesGetBoolean(String key, boolean def) { 1629 return SystemProperties.getBoolean(key, def); 1630 } 1631 1632 long systemPropertiesGetLong(String key, long def) { 1633 return SystemProperties.getLong(key, def); 1634 } 1635 1636 String systemPropertiesGet(String key, String def) { 1637 return SystemProperties.get(key, def); 1638 } 1639 1640 String systemPropertiesGet(String key) { 1641 return SystemProperties.get(key); 1642 } 1643 1644 void systemPropertiesSet(String key, String value) { 1645 SystemProperties.set(key, value); 1646 } 1647 1648 boolean userManagerIsSplitSystemUser() { 1649 return UserManager.isSplitSystemUser(); 1650 } 1651 1652 String getDevicePolicyFilePathForSystemUser() { 1653 return "/data/system/"; 1654 } 1655 1656 void registerContentObserver(Uri uri, boolean notifyForDescendents, 1657 ContentObserver observer, int userHandle) { 1658 mContext.getContentResolver().registerContentObserver(uri, notifyForDescendents, 1659 observer, userHandle); 1660 } 1661 1662 int settingsSecureGetIntForUser(String name, int def, int userHandle) { 1663 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 1664 name, def, userHandle); 1665 } 1666 1667 void settingsSecurePutIntForUser(String name, int value, int userHandle) { 1668 Settings.Secure.putIntForUser(mContext.getContentResolver(), 1669 name, value, userHandle); 1670 } 1671 1672 void settingsSecurePutStringForUser(String name, String value, int userHandle) { 1673 Settings.Secure.putStringForUser(mContext.getContentResolver(), 1674 name, value, userHandle); 1675 } 1676 1677 void settingsGlobalPutStringForUser(String name, String value, int userHandle) { 1678 Settings.Global.putStringForUser(mContext.getContentResolver(), 1679 name, value, userHandle); 1680 } 1681 1682 void settingsSecurePutInt(String name, int value) { 1683 Settings.Secure.putInt(mContext.getContentResolver(), name, value); 1684 } 1685 1686 int settingsGlobalGetInt(String name, int def) { 1687 return Settings.Global.getInt(mContext.getContentResolver(), name, def); 1688 } 1689 1690 void settingsGlobalPutInt(String name, int value) { 1691 Settings.Global.putInt(mContext.getContentResolver(), name, value); 1692 } 1693 1694 void settingsSecurePutString(String name, String value) { 1695 Settings.Secure.putString(mContext.getContentResolver(), name, value); 1696 } 1697 1698 void settingsGlobalPutString(String name, String value) { 1699 Settings.Global.putString(mContext.getContentResolver(), name, value); 1700 } 1701 1702 void securityLogSetLoggingEnabledProperty(boolean enabled) { 1703 SecurityLog.setLoggingEnabledProperty(enabled); 1704 } 1705 1706 boolean securityLogGetLoggingEnabledProperty() { 1707 return SecurityLog.getLoggingEnabledProperty(); 1708 } 1709 1710 boolean securityLogIsLoggingEnabled() { 1711 return SecurityLog.isLoggingEnabled(); 1712 } 1713 } 1714 1715 /** 1716 * Instantiates the service. 1717 */ 1718 public DevicePolicyManagerService(Context context) { 1719 this(new Injector(context)); 1720 } 1721 1722 @VisibleForTesting 1723 DevicePolicyManagerService(Injector injector) { 1724 mInjector = injector; 1725 mContext = Preconditions.checkNotNull(injector.mContext); 1726 mHandler = new Handler(Preconditions.checkNotNull(injector.getMyLooper())); 1727 mOwners = Preconditions.checkNotNull(injector.newOwners()); 1728 1729 mUserManager = Preconditions.checkNotNull(injector.getUserManager()); 1730 mUserManagerInternal = Preconditions.checkNotNull(injector.getUserManagerInternal()); 1731 mIPackageManager = Preconditions.checkNotNull(injector.getIPackageManager()); 1732 mTelephonyManager = Preconditions.checkNotNull(injector.getTelephonyManager()); 1733 1734 mLocalService = new LocalService(); 1735 mLockPatternUtils = injector.newLockPatternUtils(); 1736 1737 mSecurityLogMonitor = new SecurityLogMonitor(this); 1738 1739 mHasFeature = mInjector.getPackageManager() 1740 .hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN); 1741 mIsWatch = mInjector.getPackageManager() 1742 .hasSystemFeature(PackageManager.FEATURE_WATCH); 1743 if (!mHasFeature) { 1744 // Skip the rest of the initialization 1745 return; 1746 } 1747 IntentFilter filter = new IntentFilter(); 1748 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1749 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1750 filter.addAction(Intent.ACTION_USER_ADDED); 1751 filter.addAction(Intent.ACTION_USER_REMOVED); 1752 filter.addAction(Intent.ACTION_USER_STARTED); 1753 filter.addAction(Intent.ACTION_USER_UNLOCKED); 1754 filter.addAction(KeyChain.ACTION_TRUST_STORE_CHANGED); 1755 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1756 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1757 filter = new IntentFilter(); 1758 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1759 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1760 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1761 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1762 filter.addDataScheme("package"); 1763 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1764 filter = new IntentFilter(); 1765 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1766 mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1767 1768 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1769 } 1770 1771 /** 1772 * Creates and loads the policy data from xml. 1773 * @param userHandle the user for whom to load the policy data 1774 * @return 1775 */ 1776 @NonNull 1777 DevicePolicyData getUserData(int userHandle) { 1778 synchronized (this) { 1779 DevicePolicyData policy = mUserData.get(userHandle); 1780 if (policy == null) { 1781 policy = new DevicePolicyData(userHandle); 1782 mUserData.append(userHandle, policy); 1783 loadSettingsLocked(policy, userHandle); 1784 } 1785 return policy; 1786 } 1787 } 1788 1789 /** 1790 * Creates and loads the policy data from xml for data that is shared between 1791 * various profiles of a user. In contrast to {@link #getUserData(int)} 1792 * it allows access to data of users other than the calling user. 1793 * 1794 * This function should only be used for shared data, e.g. everything regarding 1795 * passwords and should be removed once multiple screen locks are present. 1796 * @param userHandle the user for whom to load the policy data 1797 * @return 1798 */ 1799 DevicePolicyData getUserDataUnchecked(int userHandle) { 1800 long ident = mInjector.binderClearCallingIdentity(); 1801 try { 1802 return getUserData(userHandle); 1803 } finally { 1804 mInjector.binderRestoreCallingIdentity(ident); 1805 } 1806 } 1807 1808 void removeUserData(int userHandle) { 1809 synchronized (this) { 1810 if (userHandle == UserHandle.USER_SYSTEM) { 1811 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1812 return; 1813 } 1814 mOwners.removeProfileOwner(userHandle); 1815 mOwners.writeProfileOwner(userHandle); 1816 1817 DevicePolicyData policy = mUserData.get(userHandle); 1818 if (policy != null) { 1819 mUserData.remove(userHandle); 1820 } 1821 File policyFile = new File(mInjector.environmentGetUserSystemDirectory(userHandle), 1822 DEVICE_POLICIES_XML); 1823 policyFile.delete(); 1824 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1825 } 1826 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1827 } 1828 1829 void loadOwners() { 1830 synchronized (this) { 1831 mOwners.load(); 1832 setDeviceOwnerSystemPropertyLocked(); 1833 findOwnerComponentIfNecessaryLocked(); 1834 migrateUserRestrictionsIfNecessaryLocked(); 1835 setDefaultEnabledUserRestrictionsIfNecessaryLocked(); 1836 1837 // TODO PO may not have a class name either due to b/17652534. Address that too. 1838 1839 updateDeviceOwnerLocked(); 1840 } 1841 } 1842 1843 private void setDefaultEnabledUserRestrictionsIfNecessaryLocked() { 1844 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 1845 if (deviceOwner != null 1846 && !UserRestrictionsUtils.getDefaultEnabledForDeviceOwner().equals( 1847 deviceOwner.defaultEnabledRestrictionsAlreadySet)) { 1848 Slog.i(LOG_TAG,"New user restrictions need to be set by default for the device owner"); 1849 1850 if (VERBOSE_LOG) { 1851 Slog.d(LOG_TAG,"Default enabled restrictions for DO: " 1852 + UserRestrictionsUtils.getDefaultEnabledForDeviceOwner() 1853 + ". Restrictions already enabled: " 1854 + deviceOwner.defaultEnabledRestrictionsAlreadySet); 1855 } 1856 1857 Set<String> restrictionsToSet = new ArraySet<>( 1858 UserRestrictionsUtils.getDefaultEnabledForDeviceOwner()); 1859 restrictionsToSet.removeAll(deviceOwner.defaultEnabledRestrictionsAlreadySet); 1860 if (!restrictionsToSet.isEmpty()) { 1861 for (String restriction : restrictionsToSet) { 1862 deviceOwner.ensureUserRestrictions().putBoolean(restriction, true); 1863 } 1864 deviceOwner.defaultEnabledRestrictionsAlreadySet.addAll(restrictionsToSet); 1865 Slog.i(LOG_TAG, 1866 "Enabled the following restrictions by default: " + restrictionsToSet); 1867 1868 saveUserRestrictionsLocked(mOwners.getDeviceOwnerUserId()); 1869 } 1870 } 1871 } 1872 1873 private void setDeviceOwnerSystemPropertyLocked() { 1874 // Device owner may still be provisioned, do not set the read-only system property yet. 1875 if (mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) == 0) { 1876 return; 1877 } 1878 // Still at the first stage of CryptKeeper double bounce, mOwners.hasDeviceOwner is 1879 // always false at this point. 1880 if (StorageManager.inCryptKeeperBounce()) { 1881 return; 1882 } 1883 1884 if (!TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT))) { 1885 Slog.w(LOG_TAG, "Trying to set ro.device_owner, but it has already been set?"); 1886 } else { 1887 if (mOwners.hasDeviceOwner()) { 1888 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true"); 1889 Slog.i(LOG_TAG, "Set ro.device_owner property to true"); 1890 1891 if (mInjector.securityLogGetLoggingEnabledProperty()) { 1892 mSecurityLogMonitor.start(); 1893 maybePauseDeviceWideLoggingLocked(); 1894 } 1895 } else { 1896 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false"); 1897 Slog.i(LOG_TAG, "Set ro.device_owner property to false"); 1898 } 1899 } 1900 } 1901 1902 private void findOwnerComponentIfNecessaryLocked() { 1903 if (!mOwners.hasDeviceOwner()) { 1904 return; 1905 } 1906 final ComponentName doComponentName = mOwners.getDeviceOwnerComponent(); 1907 1908 if (!TextUtils.isEmpty(doComponentName.getClassName())) { 1909 return; // Already a full component name. 1910 } 1911 1912 final ComponentName doComponent = findAdminComponentWithPackageLocked( 1913 doComponentName.getPackageName(), 1914 mOwners.getDeviceOwnerUserId()); 1915 if (doComponent == null) { 1916 Slog.e(LOG_TAG, "Device-owner isn't registered as device-admin"); 1917 } else { 1918 mOwners.setDeviceOwnerWithRestrictionsMigrated( 1919 doComponent, 1920 mOwners.getDeviceOwnerName(), 1921 mOwners.getDeviceOwnerUserId(), 1922 !mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()); 1923 mOwners.writeDeviceOwner(); 1924 if (VERBOSE_LOG) { 1925 Log.v(LOG_TAG, "Device owner component filled in"); 1926 } 1927 } 1928 } 1929 1930 /** 1931 * We didn't use to persist user restrictions for each owners but only persisted in user 1932 * manager. 1933 */ 1934 private void migrateUserRestrictionsIfNecessaryLocked() { 1935 boolean migrated = false; 1936 // Migrate for the DO. Basically all restrictions should be considered to be set by DO, 1937 // except for the "system controlled" ones. 1938 if (mOwners.getDeviceOwnerUserRestrictionsNeedsMigration()) { 1939 if (VERBOSE_LOG) { 1940 Log.v(LOG_TAG, "Migrating DO user restrictions"); 1941 } 1942 migrated = true; 1943 1944 // Migrate user 0 restrictions to DO. 1945 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 1946 1947 migrateUserRestrictionsForUser(UserHandle.SYSTEM, deviceOwnerAdmin, 1948 /* exceptionList =*/ null, /* isDeviceOwner =*/ true); 1949 1950 // Push DO user restrictions to user manager. 1951 pushUserRestrictions(UserHandle.USER_SYSTEM); 1952 1953 mOwners.setDeviceOwnerUserRestrictionsMigrated(); 1954 } 1955 1956 // Migrate for POs. 1957 1958 // The following restrictions can be set on secondary users by the device owner, so we 1959 // assume they're not from the PO. 1960 final Set<String> secondaryUserExceptionList = Sets.newArraySet( 1961 UserManager.DISALLOW_OUTGOING_CALLS, 1962 UserManager.DISALLOW_SMS); 1963 1964 for (UserInfo ui : mUserManager.getUsers()) { 1965 final int userId = ui.id; 1966 if (mOwners.getProfileOwnerUserRestrictionsNeedsMigration(userId)) { 1967 if (VERBOSE_LOG) { 1968 Log.v(LOG_TAG, "Migrating PO user restrictions for user " + userId); 1969 } 1970 migrated = true; 1971 1972 final ActiveAdmin profileOwnerAdmin = getProfileOwnerAdminLocked(userId); 1973 1974 final Set<String> exceptionList = 1975 (userId == UserHandle.USER_SYSTEM) ? null : secondaryUserExceptionList; 1976 1977 migrateUserRestrictionsForUser(ui.getUserHandle(), profileOwnerAdmin, 1978 exceptionList, /* isDeviceOwner =*/ false); 1979 1980 // Note if a secondary user has no PO but has a DA that disables camera, we 1981 // don't get here and won't push the camera user restriction to UserManager 1982 // here. That's okay because we'll push user restrictions anyway when a user 1983 // starts. But we still do it because we want to let user manager persist 1984 // upon migration. 1985 pushUserRestrictions(userId); 1986 1987 mOwners.setProfileOwnerUserRestrictionsMigrated(userId); 1988 } 1989 } 1990 if (VERBOSE_LOG && migrated) { 1991 Log.v(LOG_TAG, "User restrictions migrated."); 1992 } 1993 } 1994 1995 private void migrateUserRestrictionsForUser(UserHandle user, ActiveAdmin admin, 1996 Set<String> exceptionList, boolean isDeviceOwner) { 1997 final Bundle origRestrictions = mUserManagerInternal.getBaseUserRestrictions( 1998 user.getIdentifier()); 1999 2000 final Bundle newBaseRestrictions = new Bundle(); 2001 final Bundle newOwnerRestrictions = new Bundle(); 2002 2003 for (String key : origRestrictions.keySet()) { 2004 if (!origRestrictions.getBoolean(key)) { 2005 continue; 2006 } 2007 final boolean canOwnerChange = isDeviceOwner 2008 ? UserRestrictionsUtils.canDeviceOwnerChange(key) 2009 : UserRestrictionsUtils.canProfileOwnerChange(key, user.getIdentifier()); 2010 2011 if (!canOwnerChange || (exceptionList!= null && exceptionList.contains(key))) { 2012 newBaseRestrictions.putBoolean(key, true); 2013 } else { 2014 newOwnerRestrictions.putBoolean(key, true); 2015 } 2016 } 2017 2018 if (VERBOSE_LOG) { 2019 Log.v(LOG_TAG, "origRestrictions=" + origRestrictions); 2020 Log.v(LOG_TAG, "newBaseRestrictions=" + newBaseRestrictions); 2021 Log.v(LOG_TAG, "newOwnerRestrictions=" + newOwnerRestrictions); 2022 } 2023 mUserManagerInternal.setBaseUserRestrictionsByDpmsForMigration(user.getIdentifier(), 2024 newBaseRestrictions); 2025 2026 if (admin != null) { 2027 admin.ensureUserRestrictions().clear(); 2028 admin.ensureUserRestrictions().putAll(newOwnerRestrictions); 2029 } else { 2030 Slog.w(LOG_TAG, "ActiveAdmin for DO/PO not found. user=" + user.getIdentifier()); 2031 } 2032 saveSettingsLocked(user.getIdentifier()); 2033 } 2034 2035 private ComponentName findAdminComponentWithPackageLocked(String packageName, int userId) { 2036 final DevicePolicyData policy = getUserData(userId); 2037 final int n = policy.mAdminList.size(); 2038 ComponentName found = null; 2039 int nFound = 0; 2040 for (int i = 0; i < n; i++) { 2041 final ActiveAdmin admin = policy.mAdminList.get(i); 2042 if (packageName.equals(admin.info.getPackageName())) { 2043 // Found! 2044 if (nFound == 0) { 2045 found = admin.info.getComponent(); 2046 } 2047 nFound++; 2048 } 2049 } 2050 if (nFound > 1) { 2051 Slog.w(LOG_TAG, "Multiple DA found; assume the first one is DO."); 2052 } 2053 return found; 2054 } 2055 2056 /** 2057 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 2058 * reminders. Clears alarm if no expirations are configured. 2059 */ 2060 private void setExpirationAlarmCheckLocked(Context context, int userHandle, boolean parent) { 2061 final long expiration = getPasswordExpirationLocked(null, userHandle, parent); 2062 final long now = System.currentTimeMillis(); 2063 final long timeToExpire = expiration - now; 2064 final long alarmTime; 2065 if (expiration == 0) { 2066 // No expirations are currently configured: Cancel alarm. 2067 alarmTime = 0; 2068 } else if (timeToExpire <= 0) { 2069 // The password has already expired: Repeat every 24 hours. 2070 alarmTime = now + MS_PER_DAY; 2071 } else { 2072 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 2073 // the expiration time. 2074 long alarmInterval = timeToExpire % MS_PER_DAY; 2075 if (alarmInterval == 0) { 2076 alarmInterval = MS_PER_DAY; 2077 } 2078 alarmTime = now + alarmInterval; 2079 } 2080 2081 long token = mInjector.binderClearCallingIdentity(); 2082 try { 2083 int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle; 2084 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 2085 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 2086 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 2087 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 2088 UserHandle.of(affectedUserHandle)); 2089 am.cancel(pi); 2090 if (alarmTime != 0) { 2091 am.set(AlarmManager.RTC, alarmTime, pi); 2092 } 2093 } finally { 2094 mInjector.binderRestoreCallingIdentity(token); 2095 } 2096 } 2097 2098 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 2099 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 2100 if (admin != null 2101 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 2102 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 2103 return admin; 2104 } 2105 return null; 2106 } 2107 2108 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle, boolean parent) { 2109 if (parent) { 2110 enforceManagedProfile(userHandle, "call APIs on the parent profile"); 2111 } 2112 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2113 if (admin != null && parent) { 2114 admin = admin.getParentActiveAdmin(); 2115 } 2116 return admin; 2117 } 2118 2119 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 2120 throws SecurityException { 2121 final int callingUid = mInjector.binderGetCallingUid(); 2122 2123 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 2124 if (result != null) { 2125 return result; 2126 } 2127 2128 if (who != null) { 2129 final int userId = UserHandle.getUserId(callingUid); 2130 final DevicePolicyData policy = getUserData(userId); 2131 ActiveAdmin admin = policy.mAdminMap.get(who); 2132 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2133 throw new SecurityException("Admin " + admin.info.getComponent() 2134 + " does not own the device"); 2135 } 2136 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2137 throw new SecurityException("Admin " + admin.info.getComponent() 2138 + " does not own the profile"); 2139 } 2140 throw new SecurityException("Admin " + admin.info.getComponent() 2141 + " did not specify uses-policy for: " 2142 + admin.info.getTagForPolicy(reqPolicy)); 2143 } else { 2144 throw new SecurityException("No active admin owned by uid " 2145 + mInjector.binderGetCallingUid() + " for policy #" + reqPolicy); 2146 } 2147 } 2148 2149 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy, boolean parent) 2150 throws SecurityException { 2151 if (parent) { 2152 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), 2153 "call APIs on the parent profile"); 2154 } 2155 ActiveAdmin admin = getActiveAdminForCallerLocked(who, reqPolicy); 2156 return parent ? admin.getParentActiveAdmin() : admin; 2157 } 2158 /** 2159 * Find the admin for the component and userId bit of the uid, then check 2160 * the admin's uid matches the uid. 2161 */ 2162 private ActiveAdmin getActiveAdminForUidLocked(ComponentName who, int uid) { 2163 final int userId = UserHandle.getUserId(uid); 2164 final DevicePolicyData policy = getUserData(userId); 2165 ActiveAdmin admin = policy.mAdminMap.get(who); 2166 if (admin == null) { 2167 throw new SecurityException("No active admin " + who); 2168 } 2169 if (admin.getUid() != uid) { 2170 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2171 } 2172 return admin; 2173 } 2174 2175 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 2176 int uid) { 2177 // Try to find an admin which can use reqPolicy 2178 final int userId = UserHandle.getUserId(uid); 2179 final DevicePolicyData policy = getUserData(userId); 2180 if (who != null) { 2181 ActiveAdmin admin = policy.mAdminMap.get(who); 2182 if (admin == null) { 2183 throw new SecurityException("No active admin " + who); 2184 } 2185 if (admin.getUid() != uid) { 2186 throw new SecurityException("Admin " + who + " is not owned by uid " + uid); 2187 } 2188 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 2189 return admin; 2190 } 2191 } else { 2192 for (ActiveAdmin admin : policy.mAdminList) { 2193 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 2194 userId)) { 2195 return admin; 2196 } 2197 } 2198 } 2199 2200 return null; 2201 } 2202 2203 @VisibleForTesting 2204 boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 2205 int userId) { 2206 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userId); 2207 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userId); 2208 2209 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 2210 return ownsDevice; 2211 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 2212 // DO always has the PO power. 2213 return ownsDevice || ownsProfile; 2214 } else { 2215 return admin.info.usesPolicy(reqPolicy); 2216 } 2217 } 2218 2219 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 2220 sendAdminCommandLocked(admin, action, null); 2221 } 2222 2223 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 2224 sendAdminCommandLocked(admin, action, null, result); 2225 } 2226 2227 /** 2228 * Send an update to one specific admin, get notified when that admin returns a result. 2229 */ 2230 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 2231 BroadcastReceiver result) { 2232 Intent intent = new Intent(action); 2233 intent.setComponent(admin.info.getComponent()); 2234 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 2235 intent.putExtra("expiration", admin.passwordExpirationDate); 2236 } 2237 if (adminExtras != null) { 2238 intent.putExtras(adminExtras); 2239 } 2240 if (result != null) { 2241 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 2242 null, result, mHandler, Activity.RESULT_OK, null, null); 2243 } else { 2244 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 2245 } 2246 } 2247 2248 /** 2249 * Send an update to all admins of a user that enforce a specified policy. 2250 */ 2251 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle, Bundle adminExtras) { 2252 final DevicePolicyData policy = getUserData(userHandle); 2253 final int count = policy.mAdminList.size(); 2254 for (int i = 0; i < count; i++) { 2255 final ActiveAdmin admin = policy.mAdminList.get(i); 2256 if (admin.info.usesPolicy(reqPolicy)) { 2257 sendAdminCommandLocked(admin, action, adminExtras, null); 2258 } 2259 } 2260 } 2261 2262 /** 2263 * Send an update intent to all admins of a user and its profiles. Only send to admins that 2264 * enforce a specified policy. 2265 */ 2266 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 2267 int userHandle, Bundle adminExtras) { 2268 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 2269 for (int profileId : profileIds) { 2270 sendAdminCommandLocked(action, reqPolicy, profileId, adminExtras); 2271 } 2272 } 2273 2274 /** 2275 * Sends a broadcast to each profile that share the password unlock with the given user id. 2276 */ 2277 private void sendAdminCommandForLockscreenPoliciesLocked( 2278 String action, int reqPolicy, int userHandle) { 2279 final Bundle extras = new Bundle(); 2280 extras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 2281 if (isSeparateProfileChallengeEnabled(userHandle)) { 2282 sendAdminCommandLocked(action, reqPolicy, userHandle, extras); 2283 } else { 2284 sendAdminCommandToSelfAndProfilesLocked(action, reqPolicy, userHandle, extras); 2285 } 2286 } 2287 2288 void removeActiveAdminLocked(final ComponentName adminReceiver, final int userHandle) { 2289 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2290 DevicePolicyData policy = getUserData(userHandle); 2291 if (admin != null && !policy.mRemovingAdmins.contains(adminReceiver)) { 2292 policy.mRemovingAdmins.add(adminReceiver); 2293 sendAdminCommandLocked(admin, 2294 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 2295 new BroadcastReceiver() { 2296 @Override 2297 public void onReceive(Context context, Intent intent) { 2298 removeAdminArtifacts(adminReceiver, userHandle); 2299 removePackageIfRequired(adminReceiver.getPackageName(), userHandle); 2300 } 2301 }); 2302 } 2303 } 2304 2305 2306 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle, 2307 boolean throwForMissiongPermission) { 2308 if (!mHasFeature) { 2309 return null; 2310 } 2311 enforceFullCrossUsersPermission(userHandle); 2312 ActivityInfo ai = null; 2313 try { 2314 ai = mIPackageManager.getReceiverInfo(adminName, 2315 PackageManager.GET_META_DATA | 2316 PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS | 2317 PackageManager.MATCH_DIRECT_BOOT_AWARE | 2318 PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userHandle); 2319 } catch (RemoteException e) { 2320 // shouldn't happen. 2321 } 2322 if (ai == null) { 2323 throw new IllegalArgumentException("Unknown admin: " + adminName); 2324 } 2325 2326 if (!permission.BIND_DEVICE_ADMIN.equals(ai.permission)) { 2327 final String message = "DeviceAdminReceiver " + adminName + " must be protected with " 2328 + permission.BIND_DEVICE_ADMIN; 2329 Slog.w(LOG_TAG, message); 2330 if (throwForMissiongPermission && 2331 ai.applicationInfo.targetSdkVersion > Build.VERSION_CODES.M) { 2332 throw new IllegalArgumentException(message); 2333 } 2334 } 2335 2336 try { 2337 return new DeviceAdminInfo(mContext, ai); 2338 } catch (XmlPullParserException | IOException e) { 2339 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 2340 e); 2341 return null; 2342 } 2343 } 2344 2345 private JournaledFile makeJournaledFile(int userHandle) { 2346 final String base = userHandle == UserHandle.USER_SYSTEM 2347 ? mInjector.getDevicePolicyFilePathForSystemUser() + DEVICE_POLICIES_XML 2348 : new File(mInjector.environmentGetUserSystemDirectory(userHandle), 2349 DEVICE_POLICIES_XML).getAbsolutePath(); 2350 if (VERBOSE_LOG) { 2351 Log.v(LOG_TAG, "Opening " + base); 2352 } 2353 return new JournaledFile(new File(base), new File(base + ".tmp")); 2354 } 2355 2356 private void saveSettingsLocked(int userHandle) { 2357 DevicePolicyData policy = getUserData(userHandle); 2358 JournaledFile journal = makeJournaledFile(userHandle); 2359 FileOutputStream stream = null; 2360 try { 2361 stream = new FileOutputStream(journal.chooseForWrite(), false); 2362 XmlSerializer out = new FastXmlSerializer(); 2363 out.setOutput(stream, StandardCharsets.UTF_8.name()); 2364 out.startDocument(null, true); 2365 2366 out.startTag(null, "policies"); 2367 if (policy.mRestrictionsProvider != null) { 2368 out.attribute(null, ATTR_PERMISSION_PROVIDER, 2369 policy.mRestrictionsProvider.flattenToString()); 2370 } 2371 if (policy.mUserSetupComplete) { 2372 out.attribute(null, ATTR_SETUP_COMPLETE, 2373 Boolean.toString(true)); 2374 } 2375 if (policy.mPaired) { 2376 out.attribute(null, ATTR_DEVICE_PAIRED, 2377 Boolean.toString(true)); 2378 } 2379 if (policy.mDeviceProvisioningConfigApplied) { 2380 out.attribute(null, ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED, 2381 Boolean.toString(true)); 2382 } 2383 if (policy.mUserProvisioningState != DevicePolicyManager.STATE_USER_UNMANAGED) { 2384 out.attribute(null, ATTR_PROVISIONING_STATE, 2385 Integer.toString(policy.mUserProvisioningState)); 2386 } 2387 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 2388 out.attribute(null, ATTR_PERMISSION_POLICY, 2389 Integer.toString(policy.mPermissionPolicy)); 2390 } 2391 2392 // Serialize delegations. 2393 for (int i = 0; i < policy.mDelegationMap.size(); ++i) { 2394 final String delegatePackage = policy.mDelegationMap.keyAt(i); 2395 final List<String> scopes = policy.mDelegationMap.valueAt(i); 2396 2397 // Every "delegation" tag serializes the information of one delegate-scope pair. 2398 for (String scope : scopes) { 2399 out.startTag(null, "delegation"); 2400 out.attribute(null, "delegatePackage", delegatePackage); 2401 out.attribute(null, "scope", scope); 2402 out.endTag(null, "delegation"); 2403 } 2404 } 2405 2406 final int N = policy.mAdminList.size(); 2407 for (int i=0; i<N; i++) { 2408 ActiveAdmin ap = policy.mAdminList.get(i); 2409 if (ap != null) { 2410 out.startTag(null, "admin"); 2411 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 2412 ap.writeToXml(out); 2413 out.endTag(null, "admin"); 2414 } 2415 } 2416 2417 if (policy.mPasswordOwner >= 0) { 2418 out.startTag(null, "password-owner"); 2419 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 2420 out.endTag(null, "password-owner"); 2421 } 2422 2423 if (policy.mFailedPasswordAttempts != 0) { 2424 out.startTag(null, "failed-password-attempts"); 2425 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 2426 out.endTag(null, "failed-password-attempts"); 2427 } 2428 2429 // Don't save metrics for FBE devices 2430 final PasswordMetrics metrics = policy.mActivePasswordMetrics; 2431 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled() && !metrics.isDefault()) { 2432 out.startTag(null, "active-password"); 2433 out.attribute(null, "quality", Integer.toString(metrics.quality)); 2434 out.attribute(null, "length", Integer.toString(metrics.length)); 2435 out.attribute(null, "uppercase", Integer.toString(metrics.upperCase)); 2436 out.attribute(null, "lowercase", Integer.toString(metrics.lowerCase)); 2437 out.attribute(null, "letters", Integer.toString(metrics.letters)); 2438 out.attribute(null, "numeric", Integer.toString(metrics.numeric)); 2439 out.attribute(null, "symbols", Integer.toString(metrics.symbols)); 2440 out.attribute(null, "nonletter", Integer.toString(metrics.nonLetter)); 2441 out.endTag(null, "active-password"); 2442 } 2443 2444 for (int i = 0; i < policy.mAcceptedCaCertificates.size(); i++) { 2445 out.startTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2446 out.attribute(null, ATTR_NAME, policy.mAcceptedCaCertificates.valueAt(i)); 2447 out.endTag(null, TAG_ACCEPTED_CA_CERTIFICATES); 2448 } 2449 2450 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 2451 String component = policy.mLockTaskPackages.get(i); 2452 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 2453 out.attribute(null, "name", component); 2454 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 2455 } 2456 2457 if (policy.mStatusBarDisabled) { 2458 out.startTag(null, TAG_STATUS_BAR); 2459 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 2460 out.endTag(null, TAG_STATUS_BAR); 2461 } 2462 2463 if (policy.doNotAskCredentialsOnBoot) { 2464 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2465 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 2466 } 2467 2468 for (String id : policy.mAffiliationIds) { 2469 out.startTag(null, TAG_AFFILIATION_ID); 2470 out.attribute(null, ATTR_ID, id); 2471 out.endTag(null, TAG_AFFILIATION_ID); 2472 } 2473 2474 if (policy.mLastSecurityLogRetrievalTime >= 0) { 2475 out.startTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2476 out.attribute(null, ATTR_VALUE, 2477 Long.toString(policy.mLastSecurityLogRetrievalTime)); 2478 out.endTag(null, TAG_LAST_SECURITY_LOG_RETRIEVAL); 2479 } 2480 2481 if (policy.mLastBugReportRequestTime >= 0) { 2482 out.startTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2483 out.attribute(null, ATTR_VALUE, 2484 Long.toString(policy.mLastBugReportRequestTime)); 2485 out.endTag(null, TAG_LAST_BUG_REPORT_REQUEST); 2486 } 2487 2488 if (policy.mLastNetworkLogsRetrievalTime >= 0) { 2489 out.startTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2490 out.attribute(null, ATTR_VALUE, 2491 Long.toString(policy.mLastNetworkLogsRetrievalTime)); 2492 out.endTag(null, TAG_LAST_NETWORK_LOG_RETRIEVAL); 2493 } 2494 2495 if (policy.mAdminBroadcastPending) { 2496 out.startTag(null, TAG_ADMIN_BROADCAST_PENDING); 2497 out.attribute(null, ATTR_VALUE, 2498 Boolean.toString(policy.mAdminBroadcastPending)); 2499 out.endTag(null, TAG_ADMIN_BROADCAST_PENDING); 2500 } 2501 2502 if (policy.mInitBundle != null) { 2503 out.startTag(null, TAG_INITIALIZATION_BUNDLE); 2504 policy.mInitBundle.saveToXml(out); 2505 out.endTag(null, TAG_INITIALIZATION_BUNDLE); 2506 } 2507 2508 out.endTag(null, "policies"); 2509 2510 out.endDocument(); 2511 stream.flush(); 2512 FileUtils.sync(stream); 2513 stream.close(); 2514 journal.commit(); 2515 sendChangedNotification(userHandle); 2516 } catch (XmlPullParserException | IOException e) { 2517 Slog.w(LOG_TAG, "failed writing file", e); 2518 try { 2519 if (stream != null) { 2520 stream.close(); 2521 } 2522 } catch (IOException ex) { 2523 // Ignore 2524 } 2525 journal.rollback(); 2526 } 2527 } 2528 2529 private void sendChangedNotification(int userHandle) { 2530 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 2531 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 2532 long ident = mInjector.binderClearCallingIdentity(); 2533 try { 2534 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 2535 } finally { 2536 mInjector.binderRestoreCallingIdentity(ident); 2537 } 2538 } 2539 2540 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 2541 JournaledFile journal = makeJournaledFile(userHandle); 2542 FileInputStream stream = null; 2543 File file = journal.chooseForRead(); 2544 boolean needsRewrite = false; 2545 try { 2546 stream = new FileInputStream(file); 2547 XmlPullParser parser = Xml.newPullParser(); 2548 parser.setInput(stream, StandardCharsets.UTF_8.name()); 2549 2550 int type; 2551 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2552 && type != XmlPullParser.START_TAG) { 2553 } 2554 String tag = parser.getName(); 2555 if (!"policies".equals(tag)) { 2556 throw new XmlPullParserException( 2557 "Settings do not start with policies tag: found " + tag); 2558 } 2559 2560 // Extract the permission provider component name if available 2561 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 2562 if (permissionProvider != null) { 2563 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 2564 } 2565 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 2566 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 2567 policy.mUserSetupComplete = true; 2568 } 2569 String paired = parser.getAttributeValue(null, ATTR_DEVICE_PAIRED); 2570 if (paired != null && Boolean.toString(true).equals(paired)) { 2571 policy.mPaired = true; 2572 } 2573 String deviceProvisioningConfigApplied = parser.getAttributeValue(null, 2574 ATTR_DEVICE_PROVISIONING_CONFIG_APPLIED); 2575 if (deviceProvisioningConfigApplied != null 2576 && Boolean.toString(true).equals(deviceProvisioningConfigApplied)) { 2577 policy.mDeviceProvisioningConfigApplied = true; 2578 } 2579 String provisioningState = parser.getAttributeValue(null, ATTR_PROVISIONING_STATE); 2580 if (!TextUtils.isEmpty(provisioningState)) { 2581 policy.mUserProvisioningState = Integer.parseInt(provisioningState); 2582 } 2583 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 2584 if (!TextUtils.isEmpty(permissionPolicy)) { 2585 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 2586 } 2587 // Check for delegation compatibility with pre-O. 2588 // TODO(edmanp) remove in P. 2589 { 2590 final String certDelegate = parser.getAttributeValue(null, 2591 ATTR_DELEGATED_CERT_INSTALLER); 2592 if (certDelegate != null) { 2593 List<String> scopes = policy.mDelegationMap.get(certDelegate); 2594 if (scopes == null) { 2595 scopes = new ArrayList<>(); 2596 policy.mDelegationMap.put(certDelegate, scopes); 2597 } 2598 if (!scopes.contains(DELEGATION_CERT_INSTALL)) { 2599 scopes.add(DELEGATION_CERT_INSTALL); 2600 needsRewrite = true; 2601 } 2602 } 2603 final String appRestrictionsDelegate = parser.getAttributeValue(null, 2604 ATTR_APPLICATION_RESTRICTIONS_MANAGER); 2605 if (appRestrictionsDelegate != null) { 2606 List<String> scopes = policy.mDelegationMap.get(appRestrictionsDelegate); 2607 if (scopes == null) { 2608 scopes = new ArrayList<>(); 2609 policy.mDelegationMap.put(appRestrictionsDelegate, scopes); 2610 } 2611 if (!scopes.contains(DELEGATION_APP_RESTRICTIONS)) { 2612 scopes.add(DELEGATION_APP_RESTRICTIONS); 2613 needsRewrite = true; 2614 } 2615 } 2616 } 2617 2618 type = parser.next(); 2619 int outerDepth = parser.getDepth(); 2620 policy.mLockTaskPackages.clear(); 2621 policy.mAdminList.clear(); 2622 policy.mAdminMap.clear(); 2623 policy.mAffiliationIds.clear(); 2624 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 2625 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 2626 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 2627 continue; 2628 } 2629 tag = parser.getName(); 2630 if ("admin".equals(tag)) { 2631 String name = parser.getAttributeValue(null, "name"); 2632 try { 2633 DeviceAdminInfo dai = findAdmin( 2634 ComponentName.unflattenFromString(name), userHandle, 2635 /* throwForMissionPermission= */ false); 2636 if (VERBOSE_LOG 2637 && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 2638 != userHandle)) { 2639 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 2640 + dai.getActivityInfo().applicationInfo.uid + " for user " 2641 + userHandle); 2642 } 2643 if (dai != null) { 2644 ActiveAdmin ap = new ActiveAdmin(dai, /* parent */ false); 2645 ap.readFromXml(parser); 2646 policy.mAdminMap.put(ap.info.getComponent(), ap); 2647 } 2648 } catch (RuntimeException e) { 2649 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 2650 } 2651 } else if ("delegation".equals(tag)) { 2652 // Parse delegation info. 2653 final String delegatePackage = parser.getAttributeValue(null, 2654 "delegatePackage"); 2655 final String scope = parser.getAttributeValue(null, "scope"); 2656 2657 // Get a reference to the scopes list for the delegatePackage. 2658 List<String> scopes = policy.mDelegationMap.get(delegatePackage); 2659 // Or make a new list if none was found. 2660 if (scopes == null) { 2661 scopes = new ArrayList<>(); 2662 policy.mDelegationMap.put(delegatePackage, scopes); 2663 } 2664 // Add the new scope to the list of delegatePackage if it's not already there. 2665 if (!scopes.contains(scope)) { 2666 scopes.add(scope); 2667 } 2668 } else if ("failed-password-attempts".equals(tag)) { 2669 policy.mFailedPasswordAttempts = Integer.parseInt( 2670 parser.getAttributeValue(null, "value")); 2671 } else if ("password-owner".equals(tag)) { 2672 policy.mPasswordOwner = Integer.parseInt( 2673 parser.getAttributeValue(null, "value")); 2674 } else if (TAG_ACCEPTED_CA_CERTIFICATES.equals(tag)) { 2675 policy.mAcceptedCaCertificates.add(parser.getAttributeValue(null, ATTR_NAME)); 2676 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 2677 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 2678 } else if (TAG_STATUS_BAR.equals(tag)) { 2679 policy.mStatusBarDisabled = Boolean.parseBoolean( 2680 parser.getAttributeValue(null, ATTR_DISABLED)); 2681 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 2682 policy.doNotAskCredentialsOnBoot = true; 2683 } else if (TAG_AFFILIATION_ID.equals(tag)) { 2684 policy.mAffiliationIds.add(parser.getAttributeValue(null, ATTR_ID)); 2685 } else if (TAG_LAST_SECURITY_LOG_RETRIEVAL.equals(tag)) { 2686 policy.mLastSecurityLogRetrievalTime = Long.parseLong( 2687 parser.getAttributeValue(null, ATTR_VALUE)); 2688 } else if (TAG_LAST_BUG_REPORT_REQUEST.equals(tag)) { 2689 policy.mLastBugReportRequestTime = Long.parseLong( 2690 parser.getAttributeValue(null, ATTR_VALUE)); 2691 } else if (TAG_LAST_NETWORK_LOG_RETRIEVAL.equals(tag)) { 2692 policy.mLastNetworkLogsRetrievalTime = Long.parseLong( 2693 parser.getAttributeValue(null, ATTR_VALUE)); 2694 } else if (TAG_ADMIN_BROADCAST_PENDING.equals(tag)) { 2695 String pending = parser.getAttributeValue(null, ATTR_VALUE); 2696 policy.mAdminBroadcastPending = Boolean.toString(true).equals(pending); 2697 } else if (TAG_INITIALIZATION_BUNDLE.equals(tag)) { 2698 policy.mInitBundle = PersistableBundle.restoreFromXml(parser); 2699 } else if ("active-password".equals(tag)) { 2700 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 2701 // Remove this from FBE devices 2702 needsRewrite = true; 2703 } else { 2704 final PasswordMetrics m = policy.mActivePasswordMetrics; 2705 m.quality = Integer.parseInt(parser.getAttributeValue(null, "quality")); 2706 m.length = Integer.parseInt(parser.getAttributeValue(null, "length")); 2707 m.upperCase = Integer.parseInt(parser.getAttributeValue(null, "uppercase")); 2708 m.lowerCase = Integer.parseInt(parser.getAttributeValue(null, "lowercase")); 2709 m.letters = Integer.parseInt(parser.getAttributeValue(null, "letters")); 2710 m.numeric = Integer.parseInt(parser.getAttributeValue(null, "numeric")); 2711 m.symbols = Integer.parseInt(parser.getAttributeValue(null, "symbols")); 2712 m.nonLetter = Integer.parseInt(parser.getAttributeValue(null, "nonletter")); 2713 } 2714 } else { 2715 Slog.w(LOG_TAG, "Unknown tag: " + tag); 2716 XmlUtils.skipCurrentTag(parser); 2717 } 2718 } 2719 } catch (FileNotFoundException e) { 2720 // Don't be noisy, this is normal if we haven't defined any policies. 2721 } catch (NullPointerException | NumberFormatException | XmlPullParserException | IOException 2722 | IndexOutOfBoundsException e) { 2723 Slog.w(LOG_TAG, "failed parsing " + file, e); 2724 } 2725 try { 2726 if (stream != null) { 2727 stream.close(); 2728 } 2729 } catch (IOException e) { 2730 // Ignore 2731 } 2732 2733 // Generate a list of admins from the admin map 2734 policy.mAdminList.addAll(policy.mAdminMap.values()); 2735 2736 // Might need to upgrade the file by rewriting it 2737 if (needsRewrite) { 2738 saveSettingsLocked(userHandle); 2739 } 2740 2741 validatePasswordOwnerLocked(policy); 2742 updateMaximumTimeToLockLocked(userHandle); 2743 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 2744 if (policy.mStatusBarDisabled) { 2745 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 2746 } 2747 } 2748 2749 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 2750 long ident = mInjector.binderClearCallingIdentity(); 2751 try { 2752 mInjector.getIActivityManager() 2753 .updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 2754 } catch (RemoteException e) { 2755 // Not gonna happen. 2756 } finally { 2757 mInjector.binderRestoreCallingIdentity(ident); 2758 } 2759 } 2760 2761 private void updateDeviceOwnerLocked() { 2762 long ident = mInjector.binderClearCallingIdentity(); 2763 try { 2764 // TODO This is to prevent DO from getting "clear data"ed, but it should also check the 2765 // user id and also protect all other DAs too. 2766 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 2767 if (deviceOwnerComponent != null) { 2768 mInjector.getIActivityManager() 2769 .updateDeviceOwner(deviceOwnerComponent.getPackageName()); 2770 } 2771 } catch (RemoteException e) { 2772 // Not gonna happen. 2773 } finally { 2774 mInjector.binderRestoreCallingIdentity(ident); 2775 } 2776 } 2777 2778 static void validateQualityConstant(int quality) { 2779 switch (quality) { 2780 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 2781 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 2782 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 2783 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 2784 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 2785 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 2786 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 2787 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 2788 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED: 2789 return; 2790 } 2791 throw new IllegalArgumentException("Invalid quality constant: 0x" 2792 + Integer.toHexString(quality)); 2793 } 2794 2795 void validatePasswordOwnerLocked(DevicePolicyData policy) { 2796 if (policy.mPasswordOwner >= 0) { 2797 boolean haveOwner = false; 2798 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 2799 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 2800 haveOwner = true; 2801 break; 2802 } 2803 } 2804 if (!haveOwner) { 2805 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 2806 + " no longer active; disabling"); 2807 policy.mPasswordOwner = -1; 2808 } 2809 } 2810 } 2811 2812 @VisibleForTesting 2813 void systemReady(int phase) { 2814 if (!mHasFeature) { 2815 return; 2816 } 2817 switch (phase) { 2818 case SystemService.PHASE_LOCK_SETTINGS_READY: 2819 onLockSettingsReady(); 2820 break; 2821 case SystemService.PHASE_BOOT_COMPLETED: 2822 ensureDeviceOwnerUserStarted(); // TODO Consider better place to do this. 2823 break; 2824 } 2825 } 2826 2827 private void onLockSettingsReady() { 2828 getUserData(UserHandle.USER_SYSTEM); 2829 loadOwners(); 2830 cleanUpOldUsers(); 2831 2832 onStartUser(UserHandle.USER_SYSTEM); 2833 2834 // Register an observer for watching for user setup complete. 2835 new SetupContentObserver(mHandler).register(); 2836 // Initialize the user setup state, to handle the upgrade case. 2837 updateUserSetupCompleteAndPaired(); 2838 2839 List<String> packageList; 2840 synchronized (this) { 2841 packageList = getKeepUninstalledPackagesLocked(); 2842 } 2843 if (packageList != null) { 2844 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 2845 } 2846 2847 synchronized (this) { 2848 // push the force-ephemeral-users policy to the user manager. 2849 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 2850 if (deviceOwner != null) { 2851 mUserManagerInternal.setForceEphemeralUsers(deviceOwner.forceEphemeralUsers); 2852 } 2853 } 2854 } 2855 2856 private void ensureDeviceOwnerUserStarted() { 2857 final int userId; 2858 synchronized (this) { 2859 if (!mOwners.hasDeviceOwner()) { 2860 return; 2861 } 2862 userId = mOwners.getDeviceOwnerUserId(); 2863 } 2864 if (VERBOSE_LOG) { 2865 Log.v(LOG_TAG, "Starting non-system DO user: " + userId); 2866 } 2867 if (userId != UserHandle.USER_SYSTEM) { 2868 try { 2869 mInjector.getIActivityManager().startUserInBackground(userId); 2870 2871 // STOPSHIP Prevent the DO user from being killed. 2872 2873 } catch (RemoteException e) { 2874 Slog.w(LOG_TAG, "Exception starting user", e); 2875 } 2876 } 2877 } 2878 2879 private void onStartUser(int userId) { 2880 updateScreenCaptureDisabledInWindowManager(userId, 2881 getScreenCaptureDisabled(null, userId)); 2882 pushUserRestrictions(userId); 2883 } 2884 2885 private void cleanUpOldUsers() { 2886 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 2887 // before reboot 2888 Set<Integer> usersWithProfileOwners; 2889 Set<Integer> usersWithData; 2890 synchronized(this) { 2891 usersWithProfileOwners = mOwners.getProfileOwnerKeys(); 2892 usersWithData = new ArraySet<>(); 2893 for (int i = 0; i < mUserData.size(); i++) { 2894 usersWithData.add(mUserData.keyAt(i)); 2895 } 2896 } 2897 List<UserInfo> allUsers = mUserManager.getUsers(); 2898 2899 Set<Integer> deletedUsers = new ArraySet<>(); 2900 deletedUsers.addAll(usersWithProfileOwners); 2901 deletedUsers.addAll(usersWithData); 2902 for (UserInfo userInfo : allUsers) { 2903 deletedUsers.remove(userInfo.id); 2904 } 2905 for (Integer userId : deletedUsers) { 2906 removeUserData(userId); 2907 } 2908 } 2909 2910 private void handlePasswordExpirationNotification(int userHandle) { 2911 final Bundle adminExtras = new Bundle(); 2912 adminExtras.putParcelable(Intent.EXTRA_USER, UserHandle.of(userHandle)); 2913 2914 synchronized (this) { 2915 final long now = System.currentTimeMillis(); 2916 2917 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 2918 userHandle, /* parent */ false); 2919 final int N = admins.size(); 2920 for (int i = 0; i < N; i++) { 2921 ActiveAdmin admin = admins.get(i); 2922 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 2923 && admin.passwordExpirationTimeout > 0L 2924 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 2925 && admin.passwordExpirationDate > 0L) { 2926 sendAdminCommandLocked(admin, 2927 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING, adminExtras, null); 2928 } 2929 } 2930 setExpirationAlarmCheckLocked(mContext, userHandle, /* parent */ false); 2931 } 2932 } 2933 2934 private class MonitoringCertNotificationTask extends AsyncTask<Integer, Void, Void> { 2935 @Override 2936 protected Void doInBackground(Integer... params) { 2937 int userHandle = params[0]; 2938 2939 if (userHandle == UserHandle.USER_ALL) { 2940 for (UserInfo userInfo : mUserManager.getUsers(true)) { 2941 manageNotification(userInfo.getUserHandle()); 2942 } 2943 } else { 2944 manageNotification(UserHandle.of(userHandle)); 2945 } 2946 return null; 2947 } 2948 2949 private void manageNotification(UserHandle userHandle) { 2950 if (!mUserManager.isUserUnlocked(userHandle)) { 2951 return; 2952 } 2953 2954 // Call out to KeyChain to check for CAs which are waiting for approval. 2955 final List<String> pendingCertificates; 2956 try { 2957 pendingCertificates = getInstalledCaCertificates(userHandle); 2958 } catch (RemoteException | RuntimeException e) { 2959 Log.e(LOG_TAG, "Could not retrieve certificates from KeyChain service", e); 2960 return; 2961 } 2962 2963 synchronized (DevicePolicyManagerService.this) { 2964 final DevicePolicyData policy = getUserData(userHandle.getIdentifier()); 2965 2966 // Remove deleted certificates. Flush xml if necessary. 2967 if (policy.mAcceptedCaCertificates.retainAll(pendingCertificates)) { 2968 saveSettingsLocked(userHandle.getIdentifier()); 2969 } 2970 // Trim to approved certificates. 2971 pendingCertificates.removeAll(policy.mAcceptedCaCertificates); 2972 } 2973 2974 if (pendingCertificates.isEmpty()) { 2975 mInjector.getNotificationManager().cancelAsUser( 2976 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 2977 return; 2978 } 2979 2980 // Build and show a warning notification 2981 int smallIconId; 2982 String contentText; 2983 int parentUserId = userHandle.getIdentifier(); 2984 if (getProfileOwner(userHandle.getIdentifier()) != null) { 2985 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2986 getProfileOwnerName(userHandle.getIdentifier())); 2987 smallIconId = R.drawable.stat_sys_certificate_info; 2988 parentUserId = getProfileParentId(userHandle.getIdentifier()); 2989 } else if (getDeviceOwnerUserId() == userHandle.getIdentifier()) { 2990 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 2991 getDeviceOwnerName()); 2992 smallIconId = R.drawable.stat_sys_certificate_info; 2993 } else { 2994 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 2995 smallIconId = android.R.drawable.stat_sys_warning; 2996 } 2997 2998 final int numberOfCertificates = pendingCertificates.size(); 2999 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 3000 dialogIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 3001 dialogIntent.setPackage("com.android.settings"); 3002 dialogIntent.putExtra(Settings.EXTRA_NUMBER_OF_CERTIFICATES, numberOfCertificates); 3003 dialogIntent.putExtra(Intent.EXTRA_USER_ID, userHandle.getIdentifier()); 3004 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 3005 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, 3006 new UserHandle(parentUserId)); 3007 3008 final Context userContext; 3009 try { 3010 final String packageName = mContext.getPackageName(); 3011 userContext = mContext.createPackageContextAsUser(packageName, 0, userHandle); 3012 } catch (PackageManager.NameNotFoundException e) { 3013 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 3014 return; 3015 } 3016 final Notification noti = new Notification.Builder(userContext) 3017 .setSmallIcon(smallIconId) 3018 .setContentTitle(mContext.getResources().getQuantityText( 3019 R.plurals.ssl_ca_cert_warning, numberOfCertificates)) 3020 .setContentText(contentText) 3021 .setContentIntent(notifyIntent) 3022 .setPriority(Notification.PRIORITY_HIGH) 3023 .setShowWhen(false) 3024 .setColor(mContext.getColor( 3025 com.android.internal.R.color.system_notification_accent_color)) 3026 .build(); 3027 3028 mInjector.getNotificationManager().notifyAsUser( 3029 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 3030 } 3031 3032 private List<String> getInstalledCaCertificates(UserHandle userHandle) 3033 throws RemoteException, RuntimeException { 3034 KeyChainConnection conn = null; 3035 try { 3036 conn = KeyChain.bindAsUser(mContext, userHandle); 3037 List<ParcelableString> aliases = conn.getService().getUserCaAliases().getList(); 3038 List<String> result = new ArrayList<>(aliases.size()); 3039 for (int i = 0; i < aliases.size(); i++) { 3040 result.add(aliases.get(i).string); 3041 } 3042 return result; 3043 } catch (InterruptedException e) { 3044 Thread.currentThread().interrupt(); 3045 return null; 3046 } catch (AssertionError e) { 3047 throw new RuntimeException(e); 3048 } finally { 3049 if (conn != null) { 3050 conn.close(); 3051 } 3052 } 3053 } 3054 } 3055 3056 /** 3057 * @param adminReceiver The admin to add 3058 * @param refreshing true = update an active admin, no error 3059 */ 3060 @Override 3061 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 3062 if (!mHasFeature) { 3063 return; 3064 } 3065 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 3066 } 3067 3068 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 3069 Bundle onEnableData) { 3070 mContext.enforceCallingOrSelfPermission( 3071 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3072 enforceFullCrossUsersPermission(userHandle); 3073 3074 DevicePolicyData policy = getUserData(userHandle); 3075 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle, 3076 /* throwForMissionPermission= */ true); 3077 if (info == null) { 3078 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 3079 } 3080 if (!info.getActivityInfo().applicationInfo.isInternal()) { 3081 throw new IllegalArgumentException("Only apps in internal storage can be active admin: " 3082 + adminReceiver); 3083 } 3084 synchronized (this) { 3085 long ident = mInjector.binderClearCallingIdentity(); 3086 try { 3087 final ActiveAdmin existingAdmin 3088 = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3089 if (!refreshing && existingAdmin != null) { 3090 throw new IllegalArgumentException("Admin is already added"); 3091 } 3092 if (policy.mRemovingAdmins.contains(adminReceiver)) { 3093 throw new IllegalArgumentException( 3094 "Trying to set an admin which is being removed"); 3095 } 3096 ActiveAdmin newAdmin = new ActiveAdmin(info, /* parent */ false); 3097 newAdmin.testOnlyAdmin = 3098 (existingAdmin != null) ? existingAdmin.testOnlyAdmin 3099 : isPackageTestOnly(adminReceiver.getPackageName(), userHandle); 3100 policy.mAdminMap.put(adminReceiver, newAdmin); 3101 int replaceIndex = -1; 3102 final int N = policy.mAdminList.size(); 3103 for (int i=0; i < N; i++) { 3104 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 3105 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 3106 replaceIndex = i; 3107 break; 3108 } 3109 } 3110 if (replaceIndex == -1) { 3111 policy.mAdminList.add(newAdmin); 3112 enableIfNecessary(info.getPackageName(), userHandle); 3113 } else { 3114 policy.mAdminList.set(replaceIndex, newAdmin); 3115 } 3116 saveSettingsLocked(userHandle); 3117 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 3118 onEnableData, null); 3119 } finally { 3120 mInjector.binderRestoreCallingIdentity(ident); 3121 } 3122 } 3123 } 3124 3125 @Override 3126 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 3127 if (!mHasFeature) { 3128 return false; 3129 } 3130 enforceFullCrossUsersPermission(userHandle); 3131 synchronized (this) { 3132 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 3133 } 3134 } 3135 3136 @Override 3137 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 3138 if (!mHasFeature) { 3139 return false; 3140 } 3141 enforceFullCrossUsersPermission(userHandle); 3142 synchronized (this) { 3143 DevicePolicyData policyData = getUserData(userHandle); 3144 return policyData.mRemovingAdmins.contains(adminReceiver); 3145 } 3146 } 3147 3148 @Override 3149 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 3150 if (!mHasFeature) { 3151 return false; 3152 } 3153 enforceFullCrossUsersPermission(userHandle); 3154 synchronized (this) { 3155 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3156 if (administrator == null) { 3157 throw new SecurityException("No active admin " + adminReceiver); 3158 } 3159 return administrator.info.usesPolicy(policyId); 3160 } 3161 } 3162 3163 @Override 3164 @SuppressWarnings("unchecked") 3165 public List<ComponentName> getActiveAdmins(int userHandle) { 3166 if (!mHasFeature) { 3167 return Collections.EMPTY_LIST; 3168 } 3169 3170 enforceFullCrossUsersPermission(userHandle); 3171 synchronized (this) { 3172 DevicePolicyData policy = getUserData(userHandle); 3173 final int N = policy.mAdminList.size(); 3174 if (N <= 0) { 3175 return null; 3176 } 3177 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 3178 for (int i=0; i<N; i++) { 3179 res.add(policy.mAdminList.get(i).info.getComponent()); 3180 } 3181 return res; 3182 } 3183 } 3184 3185 @Override 3186 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 3187 if (!mHasFeature) { 3188 return false; 3189 } 3190 enforceFullCrossUsersPermission(userHandle); 3191 synchronized (this) { 3192 DevicePolicyData policy = getUserData(userHandle); 3193 final int N = policy.mAdminList.size(); 3194 for (int i=0; i<N; i++) { 3195 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 3196 return true; 3197 } 3198 } 3199 return false; 3200 } 3201 } 3202 3203 public void forceRemoveActiveAdmin(ComponentName adminReceiver, int userHandle) { 3204 if (!mHasFeature) { 3205 return; 3206 } 3207 Preconditions.checkNotNull(adminReceiver, "ComponentName is null"); 3208 enforceShell("forceRemoveActiveAdmin"); 3209 long ident = mInjector.binderClearCallingIdentity(); 3210 try { 3211 synchronized (this) { 3212 if (!isAdminTestOnlyLocked(adminReceiver, userHandle)) { 3213 throw new SecurityException("Attempt to remove non-test admin " 3214 + adminReceiver + " " + userHandle); 3215 } 3216 3217 // If admin is a device or profile owner tidy that up first. 3218 if (isDeviceOwner(adminReceiver, userHandle)) { 3219 clearDeviceOwnerLocked(getDeviceOwnerAdminLocked(), userHandle); 3220 clearDeviceOwnerUserRestrictionLocked(UserHandle.of(userHandle)); 3221 } 3222 if (isProfileOwner(adminReceiver, userHandle)) { 3223 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, 3224 userHandle, /* parent */ false); 3225 clearProfileOwnerLocked(admin, userHandle); 3226 } 3227 } 3228 // Remove the admin skipping sending the broadcast. 3229 removeAdminArtifacts(adminReceiver, userHandle); 3230 Slog.i(LOG_TAG, "Admin " + adminReceiver + " removed from user " + userHandle); 3231 } finally { 3232 mInjector.binderRestoreCallingIdentity(ident); 3233 } 3234 } 3235 3236 // It's temporary solution to clear DISALLOW_ADD_USER after CTS 3237 // STOPSHIP(b/31952368) when the restriction is moved from system to the device owner, 3238 // it can be removed. 3239 private void clearDeviceOwnerUserRestrictionLocked(UserHandle userHandle) { 3240 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_USER, userHandle)) { 3241 mUserManager.setUserRestriction(UserManager.DISALLOW_ADD_USER, false, userHandle); 3242 } 3243 } 3244 3245 /** 3246 * Return if a given package has testOnly="true", in which case we'll relax certain rules 3247 * for CTS. 3248 * 3249 * DO NOT use this method except in {@link #setActiveAdmin}. Use {@link #isAdminTestOnlyLocked} 3250 * to check wehter an active admin is test-only or not. 3251 * 3252 * The system allows this flag to be changed when an app is updated, which is not good 3253 * for us. So we persist the flag in {@link ActiveAdmin} when an admin is first installed, 3254 * and used the persisted version in actual checks. (See b/31382361 and b/28928996) 3255 */ 3256 private boolean isPackageTestOnly(String packageName, int userHandle) { 3257 final ApplicationInfo ai; 3258 try { 3259 ai = mIPackageManager.getApplicationInfo(packageName, 3260 (PackageManager.MATCH_DIRECT_BOOT_AWARE 3261 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE), userHandle); 3262 } catch (RemoteException e) { 3263 throw new IllegalStateException(e); 3264 } 3265 if (ai == null) { 3266 throw new IllegalStateException("Couldn't find package: " 3267 + packageName + " on user " + userHandle); 3268 } 3269 return (ai.flags & ApplicationInfo.FLAG_TEST_ONLY) != 0; 3270 } 3271 3272 /** 3273 * See {@link #isPackageTestOnly}. 3274 */ 3275 private boolean isAdminTestOnlyLocked(ComponentName who, int userHandle) { 3276 final ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3277 return (admin != null) && admin.testOnlyAdmin; 3278 } 3279 3280 private void enforceShell(String method) { 3281 final int callingUid = Binder.getCallingUid(); 3282 if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { 3283 throw new SecurityException("Non-shell user attempted to call " + method); 3284 } 3285 } 3286 3287 @Override 3288 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 3289 if (!mHasFeature) { 3290 return; 3291 } 3292 enforceFullCrossUsersPermission(userHandle); 3293 enforceUserUnlocked(userHandle); 3294 synchronized (this) { 3295 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 3296 if (admin == null) { 3297 return; 3298 } 3299 // Active device/profile owners must remain active admins. 3300 if (isDeviceOwner(adminReceiver, userHandle) 3301 || isProfileOwner(adminReceiver, userHandle)) { 3302 Slog.e(LOG_TAG, "Device/profile owner cannot be removed: component=" + 3303 adminReceiver); 3304 return; 3305 } 3306 if (admin.getUid() != mInjector.binderGetCallingUid()) { 3307 mContext.enforceCallingOrSelfPermission( 3308 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 3309 } 3310 long ident = mInjector.binderClearCallingIdentity(); 3311 try { 3312 removeActiveAdminLocked(adminReceiver, userHandle); 3313 } finally { 3314 mInjector.binderRestoreCallingIdentity(ident); 3315 } 3316 } 3317 } 3318 3319 @Override 3320 public boolean isSeparateProfileChallengeAllowed(int userHandle) { 3321 ComponentName profileOwner = getProfileOwner(userHandle); 3322 // Profile challenge is supported on N or newer release. 3323 return profileOwner != null && 3324 getTargetSdk(profileOwner.getPackageName(), userHandle) > Build.VERSION_CODES.M; 3325 } 3326 3327 @Override 3328 public void setPasswordQuality(ComponentName who, int quality, boolean parent) { 3329 if (!mHasFeature) { 3330 return; 3331 } 3332 Preconditions.checkNotNull(who, "ComponentName is null"); 3333 validateQualityConstant(quality); 3334 3335 synchronized (this) { 3336 ActiveAdmin ap = getActiveAdminForCallerLocked( 3337 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3338 if (ap.minimumPasswordMetrics.quality != quality) { 3339 ap.minimumPasswordMetrics.quality = quality; 3340 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3341 } 3342 } 3343 } 3344 3345 @Override 3346 public int getPasswordQuality(ComponentName who, int userHandle, boolean parent) { 3347 if (!mHasFeature) { 3348 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3349 } 3350 enforceFullCrossUsersPermission(userHandle); 3351 synchronized (this) { 3352 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 3353 3354 if (who != null) { 3355 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3356 return admin != null ? admin.minimumPasswordMetrics.quality : mode; 3357 } 3358 3359 // Return the strictest policy across all participating admins. 3360 List<ActiveAdmin> admins = 3361 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3362 final int N = admins.size(); 3363 for (int i = 0; i < N; i++) { 3364 ActiveAdmin admin = admins.get(i); 3365 if (mode < admin.minimumPasswordMetrics.quality) { 3366 mode = admin.minimumPasswordMetrics.quality; 3367 } 3368 } 3369 return mode; 3370 } 3371 } 3372 3373 private List<ActiveAdmin> getActiveAdminsForLockscreenPoliciesLocked( 3374 int userHandle, boolean parent) { 3375 if (!parent && isSeparateProfileChallengeEnabled(userHandle)) { 3376 // If this user has a separate challenge, only return its restrictions. 3377 return getUserDataUnchecked(userHandle).mAdminList; 3378 } else { 3379 // Return all admins for this user and the profiles that are visible from this 3380 // user that do not use a separate work challenge. 3381 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 3382 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 3383 DevicePolicyData policy = getUserData(userInfo.id); 3384 if (!userInfo.isManagedProfile()) { 3385 admins.addAll(policy.mAdminList); 3386 } else { 3387 // For managed profiles, we always include the policies set on the parent 3388 // profile. Additionally, we include the ones set on the managed profile 3389 // if no separate challenge is in place. 3390 boolean hasSeparateChallenge = isSeparateProfileChallengeEnabled(userInfo.id); 3391 final int N = policy.mAdminList.size(); 3392 for (int i = 0; i < N; i++) { 3393 ActiveAdmin admin = policy.mAdminList.get(i); 3394 if (admin.hasParentActiveAdmin()) { 3395 admins.add(admin.getParentActiveAdmin()); 3396 } 3397 if (!hasSeparateChallenge) { 3398 admins.add(admin); 3399 } 3400 } 3401 } 3402 } 3403 return admins; 3404 } 3405 } 3406 3407 private boolean isSeparateProfileChallengeEnabled(int userHandle) { 3408 long ident = mInjector.binderClearCallingIdentity(); 3409 try { 3410 return mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle); 3411 } finally { 3412 mInjector.binderRestoreCallingIdentity(ident); 3413 } 3414 } 3415 3416 @Override 3417 public void setPasswordMinimumLength(ComponentName who, int length, boolean parent) { 3418 if (!mHasFeature) { 3419 return; 3420 } 3421 Preconditions.checkNotNull(who, "ComponentName is null"); 3422 synchronized (this) { 3423 ActiveAdmin ap = getActiveAdminForCallerLocked( 3424 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3425 if (ap.minimumPasswordMetrics.length != length) { 3426 ap.minimumPasswordMetrics.length = length; 3427 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3428 } 3429 } 3430 } 3431 3432 @Override 3433 public int getPasswordMinimumLength(ComponentName who, int userHandle, boolean parent) { 3434 if (!mHasFeature) { 3435 return 0; 3436 } 3437 enforceFullCrossUsersPermission(userHandle); 3438 synchronized (this) { 3439 int length = 0; 3440 3441 if (who != null) { 3442 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3443 return admin != null ? admin.minimumPasswordMetrics.length : length; 3444 } 3445 3446 // Return the strictest policy across all participating admins. 3447 List<ActiveAdmin> admins = 3448 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3449 final int N = admins.size(); 3450 for (int i = 0; i < N; i++) { 3451 ActiveAdmin admin = admins.get(i); 3452 if (length < admin.minimumPasswordMetrics.length) { 3453 length = admin.minimumPasswordMetrics.length; 3454 } 3455 } 3456 return length; 3457 } 3458 } 3459 3460 @Override 3461 public void setPasswordHistoryLength(ComponentName who, int length, boolean parent) { 3462 if (!mHasFeature) { 3463 return; 3464 } 3465 Preconditions.checkNotNull(who, "ComponentName is null"); 3466 synchronized (this) { 3467 ActiveAdmin ap = getActiveAdminForCallerLocked( 3468 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3469 if (ap.passwordHistoryLength != length) { 3470 ap.passwordHistoryLength = length; 3471 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3472 } 3473 } 3474 } 3475 3476 @Override 3477 public int getPasswordHistoryLength(ComponentName who, int userHandle, boolean parent) { 3478 if (!mHasFeature) { 3479 return 0; 3480 } 3481 enforceFullCrossUsersPermission(userHandle); 3482 synchronized (this) { 3483 int length = 0; 3484 3485 if (who != null) { 3486 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3487 return admin != null ? admin.passwordHistoryLength : length; 3488 } 3489 3490 // Return the strictest policy across all participating admins. 3491 List<ActiveAdmin> admins = 3492 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3493 final int N = admins.size(); 3494 for (int i = 0; i < N; i++) { 3495 ActiveAdmin admin = admins.get(i); 3496 if (length < admin.passwordHistoryLength) { 3497 length = admin.passwordHistoryLength; 3498 } 3499 } 3500 3501 return length; 3502 } 3503 } 3504 3505 @Override 3506 public void setPasswordExpirationTimeout(ComponentName who, long timeout, boolean parent) { 3507 if (!mHasFeature) { 3508 return; 3509 } 3510 Preconditions.checkNotNull(who, "ComponentName is null"); 3511 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 3512 final int userHandle = mInjector.userHandleGetCallingUserId(); 3513 synchronized (this) { 3514 ActiveAdmin ap = getActiveAdminForCallerLocked( 3515 who, DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD, parent); 3516 // Calling this API automatically bumps the expiration date 3517 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3518 ap.passwordExpirationDate = expiration; 3519 ap.passwordExpirationTimeout = timeout; 3520 if (timeout > 0L) { 3521 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 3522 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 3523 .format(new Date(expiration))); 3524 } 3525 saveSettingsLocked(userHandle); 3526 3527 // in case this is the first one, set the alarm on the appropriate user. 3528 setExpirationAlarmCheckLocked(mContext, userHandle, parent); 3529 } 3530 } 3531 3532 /** 3533 * Return a single admin's expiration cycle time, or the min of all cycle times. 3534 * Returns 0 if not configured. 3535 */ 3536 @Override 3537 public long getPasswordExpirationTimeout(ComponentName who, int userHandle, boolean parent) { 3538 if (!mHasFeature) { 3539 return 0L; 3540 } 3541 enforceFullCrossUsersPermission(userHandle); 3542 synchronized (this) { 3543 long timeout = 0L; 3544 3545 if (who != null) { 3546 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3547 return admin != null ? admin.passwordExpirationTimeout : timeout; 3548 } 3549 3550 // Return the strictest policy across all participating admins. 3551 List<ActiveAdmin> admins = 3552 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3553 final int N = admins.size(); 3554 for (int i = 0; i < N; i++) { 3555 ActiveAdmin admin = admins.get(i); 3556 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 3557 && timeout > admin.passwordExpirationTimeout)) { 3558 timeout = admin.passwordExpirationTimeout; 3559 } 3560 } 3561 return timeout; 3562 } 3563 } 3564 3565 @Override 3566 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3567 final int userId = UserHandle.getCallingUserId(); 3568 List<String> changedProviders = null; 3569 3570 synchronized (this) { 3571 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3572 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3573 if (activeAdmin.crossProfileWidgetProviders == null) { 3574 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 3575 } 3576 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3577 if (!providers.contains(packageName)) { 3578 providers.add(packageName); 3579 changedProviders = new ArrayList<>(providers); 3580 saveSettingsLocked(userId); 3581 } 3582 } 3583 3584 if (changedProviders != null) { 3585 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3586 return true; 3587 } 3588 3589 return false; 3590 } 3591 3592 @Override 3593 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 3594 final int userId = UserHandle.getCallingUserId(); 3595 List<String> changedProviders = null; 3596 3597 synchronized (this) { 3598 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3599 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3600 if (activeAdmin.crossProfileWidgetProviders == null 3601 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3602 return false; 3603 } 3604 List<String> providers = activeAdmin.crossProfileWidgetProviders; 3605 if (providers.remove(packageName)) { 3606 changedProviders = new ArrayList<>(providers); 3607 saveSettingsLocked(userId); 3608 } 3609 } 3610 3611 if (changedProviders != null) { 3612 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 3613 return true; 3614 } 3615 3616 return false; 3617 } 3618 3619 @Override 3620 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 3621 synchronized (this) { 3622 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 3623 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3624 if (activeAdmin.crossProfileWidgetProviders == null 3625 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 3626 return null; 3627 } 3628 if (mInjector.binderIsCallingUidMyUid()) { 3629 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 3630 } else { 3631 return activeAdmin.crossProfileWidgetProviders; 3632 } 3633 } 3634 } 3635 3636 /** 3637 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 3638 * Returns 0 if not configured. 3639 */ 3640 private long getPasswordExpirationLocked(ComponentName who, int userHandle, boolean parent) { 3641 long timeout = 0L; 3642 3643 if (who != null) { 3644 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3645 return admin != null ? admin.passwordExpirationDate : timeout; 3646 } 3647 3648 // Return the strictest policy across all participating admins. 3649 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3650 final int N = admins.size(); 3651 for (int i = 0; i < N; i++) { 3652 ActiveAdmin admin = admins.get(i); 3653 if (timeout == 0L || (admin.passwordExpirationDate != 0 3654 && timeout > admin.passwordExpirationDate)) { 3655 timeout = admin.passwordExpirationDate; 3656 } 3657 } 3658 return timeout; 3659 } 3660 3661 @Override 3662 public long getPasswordExpiration(ComponentName who, int userHandle, boolean parent) { 3663 if (!mHasFeature) { 3664 return 0L; 3665 } 3666 enforceFullCrossUsersPermission(userHandle); 3667 synchronized (this) { 3668 return getPasswordExpirationLocked(who, userHandle, parent); 3669 } 3670 } 3671 3672 @Override 3673 public void setPasswordMinimumUpperCase(ComponentName who, int length, boolean parent) { 3674 if (!mHasFeature) { 3675 return; 3676 } 3677 Preconditions.checkNotNull(who, "ComponentName is null"); 3678 synchronized (this) { 3679 ActiveAdmin ap = getActiveAdminForCallerLocked( 3680 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3681 if (ap.minimumPasswordMetrics.upperCase != length) { 3682 ap.minimumPasswordMetrics.upperCase = length; 3683 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3684 } 3685 } 3686 } 3687 3688 @Override 3689 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle, boolean parent) { 3690 if (!mHasFeature) { 3691 return 0; 3692 } 3693 enforceFullCrossUsersPermission(userHandle); 3694 synchronized (this) { 3695 int length = 0; 3696 3697 if (who != null) { 3698 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3699 return admin != null ? admin.minimumPasswordMetrics.upperCase : length; 3700 } 3701 3702 // Return the strictest policy across all participating admins. 3703 List<ActiveAdmin> admins = 3704 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3705 final int N = admins.size(); 3706 for (int i = 0; i < N; i++) { 3707 ActiveAdmin admin = admins.get(i); 3708 if (length < admin.minimumPasswordMetrics.upperCase) { 3709 length = admin.minimumPasswordMetrics.upperCase; 3710 } 3711 } 3712 return length; 3713 } 3714 } 3715 3716 @Override 3717 public void setPasswordMinimumLowerCase(ComponentName who, int length, boolean parent) { 3718 Preconditions.checkNotNull(who, "ComponentName is null"); 3719 synchronized (this) { 3720 ActiveAdmin ap = getActiveAdminForCallerLocked( 3721 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3722 if (ap.minimumPasswordMetrics.lowerCase != length) { 3723 ap.minimumPasswordMetrics.lowerCase = length; 3724 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3725 } 3726 } 3727 } 3728 3729 @Override 3730 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle, boolean parent) { 3731 if (!mHasFeature) { 3732 return 0; 3733 } 3734 enforceFullCrossUsersPermission(userHandle); 3735 synchronized (this) { 3736 int length = 0; 3737 3738 if (who != null) { 3739 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3740 return admin != null ? admin.minimumPasswordMetrics.lowerCase : length; 3741 } 3742 3743 // Return the strictest policy across all participating admins. 3744 List<ActiveAdmin> admins = 3745 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3746 final int N = admins.size(); 3747 for (int i = 0; i < N; i++) { 3748 ActiveAdmin admin = admins.get(i); 3749 if (length < admin.minimumPasswordMetrics.lowerCase) { 3750 length = admin.minimumPasswordMetrics.lowerCase; 3751 } 3752 } 3753 return length; 3754 } 3755 } 3756 3757 @Override 3758 public void setPasswordMinimumLetters(ComponentName who, int length, boolean parent) { 3759 if (!mHasFeature) { 3760 return; 3761 } 3762 Preconditions.checkNotNull(who, "ComponentName is null"); 3763 synchronized (this) { 3764 ActiveAdmin ap = getActiveAdminForCallerLocked( 3765 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3766 if (ap.minimumPasswordMetrics.letters != length) { 3767 ap.minimumPasswordMetrics.letters = length; 3768 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3769 } 3770 } 3771 } 3772 3773 @Override 3774 public int getPasswordMinimumLetters(ComponentName who, int userHandle, boolean parent) { 3775 if (!mHasFeature) { 3776 return 0; 3777 } 3778 enforceFullCrossUsersPermission(userHandle); 3779 synchronized (this) { 3780 int length = 0; 3781 3782 if (who != null) { 3783 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3784 return admin != null ? admin.minimumPasswordMetrics.letters : length; 3785 } 3786 3787 // Return the strictest policy across all participating admins. 3788 List<ActiveAdmin> admins = 3789 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3790 final int N = admins.size(); 3791 for (int i = 0; i < N; i++) { 3792 ActiveAdmin admin = admins.get(i); 3793 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3794 continue; 3795 } 3796 if (length < admin.minimumPasswordMetrics.letters) { 3797 length = admin.minimumPasswordMetrics.letters; 3798 } 3799 } 3800 return length; 3801 } 3802 } 3803 3804 @Override 3805 public void setPasswordMinimumNumeric(ComponentName who, int length, boolean parent) { 3806 if (!mHasFeature) { 3807 return; 3808 } 3809 Preconditions.checkNotNull(who, "ComponentName is null"); 3810 synchronized (this) { 3811 ActiveAdmin ap = getActiveAdminForCallerLocked( 3812 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3813 if (ap.minimumPasswordMetrics.numeric != length) { 3814 ap.minimumPasswordMetrics.numeric = length; 3815 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3816 } 3817 } 3818 } 3819 3820 @Override 3821 public int getPasswordMinimumNumeric(ComponentName who, int userHandle, boolean parent) { 3822 if (!mHasFeature) { 3823 return 0; 3824 } 3825 enforceFullCrossUsersPermission(userHandle); 3826 synchronized (this) { 3827 int length = 0; 3828 3829 if (who != null) { 3830 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3831 return admin != null ? admin.minimumPasswordMetrics.numeric : length; 3832 } 3833 3834 // Return the strictest policy across all participating admins. 3835 List<ActiveAdmin> admins = 3836 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3837 final int N = admins.size(); 3838 for (int i = 0; i < N; i++) { 3839 ActiveAdmin admin = admins.get(i); 3840 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3841 continue; 3842 } 3843 if (length < admin.minimumPasswordMetrics.numeric) { 3844 length = admin.minimumPasswordMetrics.numeric; 3845 } 3846 } 3847 return length; 3848 } 3849 } 3850 3851 @Override 3852 public void setPasswordMinimumSymbols(ComponentName who, int length, boolean parent) { 3853 if (!mHasFeature) { 3854 return; 3855 } 3856 Preconditions.checkNotNull(who, "ComponentName is null"); 3857 synchronized (this) { 3858 ActiveAdmin ap = getActiveAdminForCallerLocked( 3859 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3860 if (ap.minimumPasswordMetrics.symbols != length) { 3861 ap.minimumPasswordMetrics.symbols = length; 3862 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3863 } 3864 } 3865 } 3866 3867 @Override 3868 public int getPasswordMinimumSymbols(ComponentName who, int userHandle, boolean parent) { 3869 if (!mHasFeature) { 3870 return 0; 3871 } 3872 enforceFullCrossUsersPermission(userHandle); 3873 synchronized (this) { 3874 int length = 0; 3875 3876 if (who != null) { 3877 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3878 return admin != null ? admin.minimumPasswordMetrics.symbols : length; 3879 } 3880 3881 // Return the strictest policy across all participating admins. 3882 List<ActiveAdmin> admins = 3883 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3884 final int N = admins.size(); 3885 for (int i = 0; i < N; i++) { 3886 ActiveAdmin admin = admins.get(i); 3887 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3888 continue; 3889 } 3890 if (length < admin.minimumPasswordMetrics.symbols) { 3891 length = admin.minimumPasswordMetrics.symbols; 3892 } 3893 } 3894 return length; 3895 } 3896 } 3897 3898 @Override 3899 public void setPasswordMinimumNonLetter(ComponentName who, int length, boolean parent) { 3900 if (!mHasFeature) { 3901 return; 3902 } 3903 Preconditions.checkNotNull(who, "ComponentName is null"); 3904 synchronized (this) { 3905 ActiveAdmin ap = getActiveAdminForCallerLocked( 3906 who, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3907 if (ap.minimumPasswordMetrics.nonLetter != length) { 3908 ap.minimumPasswordMetrics.nonLetter = length; 3909 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 3910 } 3911 } 3912 } 3913 3914 @Override 3915 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle, boolean parent) { 3916 if (!mHasFeature) { 3917 return 0; 3918 } 3919 enforceFullCrossUsersPermission(userHandle); 3920 synchronized (this) { 3921 int length = 0; 3922 3923 if (who != null) { 3924 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 3925 return admin != null ? admin.minimumPasswordMetrics.nonLetter : length; 3926 } 3927 3928 // Return the strictest policy across all participating admins. 3929 List<ActiveAdmin> admins = 3930 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 3931 final int N = admins.size(); 3932 for (int i = 0; i < N; i++) { 3933 ActiveAdmin admin = admins.get(i); 3934 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 3935 continue; 3936 } 3937 if (length < admin.minimumPasswordMetrics.nonLetter) { 3938 length = admin.minimumPasswordMetrics.nonLetter; 3939 } 3940 } 3941 return length; 3942 } 3943 } 3944 3945 @Override 3946 public boolean isActivePasswordSufficient(int userHandle, boolean parent) { 3947 if (!mHasFeature) { 3948 return true; 3949 } 3950 enforceFullCrossUsersPermission(userHandle); 3951 3952 synchronized (this) { 3953 // This API can only be called by an active device admin, 3954 // so try to retrieve it to check that the caller is one. 3955 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, parent); 3956 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 3957 return isActivePasswordSufficientForUserLocked(policy, userHandle, parent); 3958 } 3959 } 3960 3961 @Override 3962 public boolean isProfileActivePasswordSufficientForParent(int userHandle) { 3963 if (!mHasFeature) { 3964 return true; 3965 } 3966 enforceFullCrossUsersPermission(userHandle); 3967 enforceManagedProfile(userHandle, "call APIs refering to the parent profile"); 3968 3969 synchronized (this) { 3970 int targetUser = getProfileParentId(userHandle); 3971 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, false)); 3972 return isActivePasswordSufficientForUserLocked(policy, targetUser, false); 3973 } 3974 } 3975 3976 private boolean isActivePasswordSufficientForUserLocked( 3977 DevicePolicyData policy, int userHandle, boolean parent) { 3978 enforceUserUnlocked(userHandle, parent); 3979 3980 final int requiredPasswordQuality = getPasswordQuality(null, userHandle, parent); 3981 if (policy.mActivePasswordMetrics.quality < requiredPasswordQuality) { 3982 return false; 3983 } 3984 if (requiredPasswordQuality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC 3985 && policy.mActivePasswordMetrics.length < getPasswordMinimumLength( 3986 null, userHandle, parent)) { 3987 return false; 3988 } 3989 if (requiredPasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 3990 return true; 3991 } 3992 return policy.mActivePasswordMetrics.upperCase >= getPasswordMinimumUpperCase( 3993 null, userHandle, parent) 3994 && policy.mActivePasswordMetrics.lowerCase >= getPasswordMinimumLowerCase( 3995 null, userHandle, parent) 3996 && policy.mActivePasswordMetrics.letters >= getPasswordMinimumLetters( 3997 null, userHandle, parent) 3998 && policy.mActivePasswordMetrics.numeric >= getPasswordMinimumNumeric( 3999 null, userHandle, parent) 4000 && policy.mActivePasswordMetrics.symbols >= getPasswordMinimumSymbols( 4001 null, userHandle, parent) 4002 && policy.mActivePasswordMetrics.nonLetter >= getPasswordMinimumNonLetter( 4003 null, userHandle, parent); 4004 } 4005 4006 @Override 4007 public int getCurrentFailedPasswordAttempts(int userHandle, boolean parent) { 4008 enforceFullCrossUsersPermission(userHandle); 4009 synchronized (this) { 4010 if (!isCallerWithSystemUid()) { 4011 // This API can only be called by an active device admin, 4012 // so try to retrieve it to check that the caller is one. 4013 getActiveAdminForCallerLocked( 4014 null, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 4015 } 4016 4017 DevicePolicyData policy = getUserDataUnchecked(getCredentialOwner(userHandle, parent)); 4018 4019 return policy.mFailedPasswordAttempts; 4020 } 4021 } 4022 4023 @Override 4024 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, boolean parent) { 4025 if (!mHasFeature) { 4026 return; 4027 } 4028 Preconditions.checkNotNull(who, "ComponentName is null"); 4029 synchronized (this) { 4030 // This API can only be called by an active device admin, 4031 // so try to retrieve it to check that the caller is one. 4032 getActiveAdminForCallerLocked( 4033 who, DeviceAdminInfo.USES_POLICY_WIPE_DATA, parent); 4034 ActiveAdmin ap = getActiveAdminForCallerLocked( 4035 who, DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, parent); 4036 if (ap.maximumFailedPasswordsForWipe != num) { 4037 ap.maximumFailedPasswordsForWipe = num; 4038 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 4039 } 4040 } 4041 } 4042 4043 @Override 4044 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle, boolean parent) { 4045 if (!mHasFeature) { 4046 return 0; 4047 } 4048 enforceFullCrossUsersPermission(userHandle); 4049 synchronized (this) { 4050 ActiveAdmin admin = (who != null) 4051 ? getActiveAdminUncheckedLocked(who, userHandle, parent) 4052 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle, parent); 4053 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 4054 } 4055 } 4056 4057 @Override 4058 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle, boolean parent) { 4059 if (!mHasFeature) { 4060 return UserHandle.USER_NULL; 4061 } 4062 enforceFullCrossUsersPermission(userHandle); 4063 synchronized (this) { 4064 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked( 4065 userHandle, parent); 4066 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 4067 } 4068 } 4069 4070 /** 4071 * Returns the admin with the strictest policy on maximum failed passwords for: 4072 * <ul> 4073 * <li>this user if it has a separate profile challenge, or 4074 * <li>this user and all profiles that don't have their own challenge otherwise. 4075 * </ul> 4076 * <p>If the policy for the primary and any other profile are equal, it returns the admin for 4077 * the primary profile. 4078 * Returns {@code null} if no participating admin has that policy set. 4079 */ 4080 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked( 4081 int userHandle, boolean parent) { 4082 int count = 0; 4083 ActiveAdmin strictestAdmin = null; 4084 4085 // Return the strictest policy across all participating admins. 4086 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 4087 final int N = admins.size(); 4088 for (int i = 0; i < N; i++) { 4089 ActiveAdmin admin = admins.get(i); 4090 if (admin.maximumFailedPasswordsForWipe == 4091 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 4092 continue; // No max number of failed passwords policy set for this profile. 4093 } 4094 4095 // We always favor the primary profile if several profiles have the same value set. 4096 int userId = admin.getUserHandle().getIdentifier(); 4097 if (count == 0 || 4098 count > admin.maximumFailedPasswordsForWipe || 4099 (count == admin.maximumFailedPasswordsForWipe && 4100 getUserInfo(userId).isPrimary())) { 4101 count = admin.maximumFailedPasswordsForWipe; 4102 strictestAdmin = admin; 4103 } 4104 } 4105 return strictestAdmin; 4106 } 4107 4108 private UserInfo getUserInfo(@UserIdInt int userId) { 4109 final long token = mInjector.binderClearCallingIdentity(); 4110 try { 4111 return mUserManager.getUserInfo(userId); 4112 } finally { 4113 mInjector.binderRestoreCallingIdentity(token); 4114 } 4115 } 4116 4117 @Override 4118 public boolean resetPassword(String passwordOrNull, int flags) throws RemoteException { 4119 if (!mHasFeature) { 4120 return false; 4121 } 4122 final int callingUid = mInjector.binderGetCallingUid(); 4123 final int userHandle = mInjector.userHandleGetCallingUserId(); 4124 4125 String password = passwordOrNull != null ? passwordOrNull : ""; 4126 4127 // Password resetting to empty/null is not allowed for managed profiles. 4128 if (TextUtils.isEmpty(password)) { 4129 enforceNotManagedProfile(userHandle, "clear the active password"); 4130 } 4131 4132 int quality; 4133 synchronized (this) { 4134 // If caller has PO (or DO) it can change the password, so see if that's the case first. 4135 ActiveAdmin admin = getActiveAdminWithPolicyForUidLocked( 4136 null, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, callingUid); 4137 final boolean preN; 4138 if (admin != null) { 4139 preN = getTargetSdk(admin.info.getPackageName(), 4140 userHandle) <= android.os.Build.VERSION_CODES.M; 4141 } else { 4142 // Otherwise, make sure the caller has any active admin with the right policy. 4143 admin = getActiveAdminForCallerLocked(null, 4144 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 4145 preN = getTargetSdk(admin.info.getPackageName(), 4146 userHandle) <= android.os.Build.VERSION_CODES.M; 4147 4148 // As of N, password resetting to empty/null is not allowed anymore. 4149 // TODO Should we allow DO/PO to set an empty password? 4150 if (TextUtils.isEmpty(password)) { 4151 if (!preN) { 4152 throw new SecurityException("Cannot call with null password"); 4153 } else { 4154 Slog.e(LOG_TAG, "Cannot call with null password"); 4155 return false; 4156 } 4157 } 4158 // As of N, password cannot be changed by the admin if it is already set. 4159 if (isLockScreenSecureUnchecked(userHandle)) { 4160 if (!preN) { 4161 throw new SecurityException("Admin cannot change current password"); 4162 } else { 4163 Slog.e(LOG_TAG, "Admin cannot change current password"); 4164 return false; 4165 } 4166 } 4167 } 4168 // Do not allow to reset password when current user has a managed profile 4169 if (!isManagedProfile(userHandle)) { 4170 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4171 if (userInfo.isManagedProfile()) { 4172 if (!preN) { 4173 throw new IllegalStateException( 4174 "Cannot reset password on user has managed profile"); 4175 } else { 4176 Slog.e(LOG_TAG, "Cannot reset password on user has managed profile"); 4177 return false; 4178 } 4179 } 4180 } 4181 } 4182 // Do not allow to reset password when user is locked 4183 if (!mUserManager.isUserUnlocked(userHandle)) { 4184 if (!preN) { 4185 throw new IllegalStateException("Cannot reset password when user is locked"); 4186 } else { 4187 Slog.e(LOG_TAG, "Cannot reset password when user is locked"); 4188 return false; 4189 } 4190 } 4191 4192 quality = getPasswordQuality(null, userHandle, /* parent */ false); 4193 if (quality == DevicePolicyManager.PASSWORD_QUALITY_MANAGED) { 4194 quality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 4195 } 4196 final PasswordMetrics metrics = PasswordMetrics.computeForPassword(password); 4197 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 4198 final int realQuality = metrics.quality; 4199 if (realQuality < quality 4200 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4201 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 4202 + Integer.toHexString(realQuality) 4203 + " does not meet required quality 0x" 4204 + Integer.toHexString(quality)); 4205 return false; 4206 } 4207 quality = Math.max(realQuality, quality); 4208 } 4209 int length = getPasswordMinimumLength(null, userHandle, /* parent */ false); 4210 if (password.length() < length) { 4211 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 4212 + " does not meet required length " + length); 4213 return false; 4214 } 4215 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 4216 int neededLetters = getPasswordMinimumLetters(null, userHandle, /* parent */ false); 4217 if(metrics.letters < neededLetters) { 4218 Slog.w(LOG_TAG, "resetPassword: number of letters " + metrics.letters 4219 + " does not meet required number of letters " + neededLetters); 4220 return false; 4221 } 4222 int neededNumeric = getPasswordMinimumNumeric(null, userHandle, /* parent */ false); 4223 if (metrics.numeric < neededNumeric) { 4224 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + metrics.numeric 4225 + " does not meet required number of numerical digits " 4226 + neededNumeric); 4227 return false; 4228 } 4229 int neededLowerCase = getPasswordMinimumLowerCase( 4230 null, userHandle, /* parent */ false); 4231 if (metrics.lowerCase < neededLowerCase) { 4232 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " 4233 + metrics.lowerCase 4234 + " does not meet required number of lowercase letters " 4235 + neededLowerCase); 4236 return false; 4237 } 4238 int neededUpperCase = getPasswordMinimumUpperCase( 4239 null, userHandle, /* parent */ false); 4240 if (metrics.upperCase < neededUpperCase) { 4241 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " 4242 + metrics.upperCase 4243 + " does not meet required number of uppercase letters " 4244 + neededUpperCase); 4245 return false; 4246 } 4247 int neededSymbols = getPasswordMinimumSymbols(null, userHandle, /* parent */ false); 4248 if (metrics.symbols < neededSymbols) { 4249 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + metrics.symbols 4250 + " does not meet required number of special symbols " + neededSymbols); 4251 return false; 4252 } 4253 int neededNonLetter = getPasswordMinimumNonLetter( 4254 null, userHandle, /* parent */ false); 4255 if (metrics.nonLetter < neededNonLetter) { 4256 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " 4257 + metrics.nonLetter 4258 + " does not meet required number of non-letter characters " 4259 + neededNonLetter); 4260 return false; 4261 } 4262 } 4263 } 4264 4265 DevicePolicyData policy = getUserData(userHandle); 4266 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 4267 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 4268 return false; 4269 } 4270 4271 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwner(callingUid); 4272 boolean doNotAskCredentialsOnBoot = 4273 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 4274 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 4275 setDoNotAskCredentialsOnBoot(); 4276 } 4277 4278 // Don't do this with the lock held, because it is going to call 4279 // back in to the service. 4280 final long ident = mInjector.binderClearCallingIdentity(); 4281 try { 4282 if (!TextUtils.isEmpty(password)) { 4283 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle); 4284 } else { 4285 mLockPatternUtils.clearLock(userHandle); 4286 } 4287 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 4288 if (requireEntry) { 4289 mLockPatternUtils.requireStrongAuth(STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, 4290 UserHandle.USER_ALL); 4291 } 4292 synchronized (this) { 4293 int newOwner = requireEntry ? callingUid : -1; 4294 if (policy.mPasswordOwner != newOwner) { 4295 policy.mPasswordOwner = newOwner; 4296 saveSettingsLocked(userHandle); 4297 } 4298 } 4299 } finally { 4300 mInjector.binderRestoreCallingIdentity(ident); 4301 } 4302 4303 return true; 4304 } 4305 4306 private boolean isLockScreenSecureUnchecked(int userId) { 4307 long ident = mInjector.binderClearCallingIdentity(); 4308 try { 4309 return mLockPatternUtils.isSecure(userId); 4310 } finally { 4311 mInjector.binderRestoreCallingIdentity(ident); 4312 } 4313 } 4314 4315 private void setDoNotAskCredentialsOnBoot() { 4316 synchronized (this) { 4317 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4318 if (!policyData.doNotAskCredentialsOnBoot) { 4319 policyData.doNotAskCredentialsOnBoot = true; 4320 saveSettingsLocked(UserHandle.USER_SYSTEM); 4321 } 4322 } 4323 } 4324 4325 @Override 4326 public boolean getDoNotAskCredentialsOnBoot() { 4327 mContext.enforceCallingOrSelfPermission( 4328 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 4329 synchronized (this) { 4330 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 4331 return policyData.doNotAskCredentialsOnBoot; 4332 } 4333 } 4334 4335 @Override 4336 public void setMaximumTimeToLock(ComponentName who, long timeMs, boolean parent) { 4337 if (!mHasFeature) { 4338 return; 4339 } 4340 Preconditions.checkNotNull(who, "ComponentName is null"); 4341 final int userHandle = mInjector.userHandleGetCallingUserId(); 4342 synchronized (this) { 4343 ActiveAdmin ap = getActiveAdminForCallerLocked( 4344 who, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4345 if (ap.maximumTimeToUnlock != timeMs) { 4346 ap.maximumTimeToUnlock = timeMs; 4347 saveSettingsLocked(userHandle); 4348 updateMaximumTimeToLockLocked(userHandle); 4349 } 4350 } 4351 } 4352 4353 void updateMaximumTimeToLockLocked(int userHandle) { 4354 // Calculate the min timeout for all profiles - including the ones with a separate 4355 // challenge. Ideally if the timeout only affected the profile challenge we'd lock that 4356 // challenge only and keep the screen on. However there is no easy way of doing that at the 4357 // moment so we set the screen off timeout regardless of whether it affects the parent user 4358 // or the profile challenge only. 4359 long timeMs = Long.MAX_VALUE; 4360 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userHandle); 4361 for (int profileId : profileIds) { 4362 DevicePolicyData policy = getUserDataUnchecked(profileId); 4363 final int N = policy.mAdminList.size(); 4364 for (int i = 0; i < N; i++) { 4365 ActiveAdmin admin = policy.mAdminList.get(i); 4366 if (admin.maximumTimeToUnlock > 0 4367 && timeMs > admin.maximumTimeToUnlock) { 4368 timeMs = admin.maximumTimeToUnlock; 4369 } 4370 // If userInfo.id is a managed profile, we also need to look at 4371 // the policies set on the parent. 4372 if (admin.hasParentActiveAdmin()) { 4373 final ActiveAdmin parentAdmin = admin.getParentActiveAdmin(); 4374 if (parentAdmin.maximumTimeToUnlock > 0 4375 && timeMs > parentAdmin.maximumTimeToUnlock) { 4376 timeMs = parentAdmin.maximumTimeToUnlock; 4377 } 4378 } 4379 } 4380 } 4381 4382 // We only store the last maximum time to lock on the parent profile. So if calling from a 4383 // managed profile, retrieve the policy for the parent. 4384 DevicePolicyData policy = getUserDataUnchecked(getProfileParentId(userHandle)); 4385 if (policy.mLastMaximumTimeToLock == timeMs) { 4386 return; 4387 } 4388 policy.mLastMaximumTimeToLock = timeMs; 4389 4390 final long ident = mInjector.binderClearCallingIdentity(); 4391 try { 4392 if (policy.mLastMaximumTimeToLock != Long.MAX_VALUE) { 4393 // Make sure KEEP_SCREEN_ON is disabled, since that 4394 // would allow bypassing of the maximum time to lock. 4395 mInjector.settingsGlobalPutInt(Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 4396 } 4397 4398 mInjector.getPowerManagerInternal().setMaximumScreenOffTimeoutFromDeviceAdmin( 4399 (int) Math.min(policy.mLastMaximumTimeToLock, Integer.MAX_VALUE)); 4400 } finally { 4401 mInjector.binderRestoreCallingIdentity(ident); 4402 } 4403 } 4404 4405 @Override 4406 public long getMaximumTimeToLock(ComponentName who, int userHandle, boolean parent) { 4407 if (!mHasFeature) { 4408 return 0; 4409 } 4410 enforceFullCrossUsersPermission(userHandle); 4411 synchronized (this) { 4412 if (who != null) { 4413 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 4414 return admin != null ? admin.maximumTimeToUnlock : 0; 4415 } 4416 // Return the strictest policy across all participating admins. 4417 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 4418 userHandle, parent); 4419 return getMaximumTimeToLockPolicyFromAdmins(admins); 4420 } 4421 } 4422 4423 @Override 4424 public long getMaximumTimeToLockForUserAndProfiles(int userHandle) { 4425 if (!mHasFeature) { 4426 return 0; 4427 } 4428 enforceFullCrossUsersPermission(userHandle); 4429 synchronized (this) { 4430 // All admins for this user. 4431 ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>(); 4432 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 4433 DevicePolicyData policy = getUserData(userInfo.id); 4434 admins.addAll(policy.mAdminList); 4435 // If it is a managed profile, it may have parent active admins 4436 if (userInfo.isManagedProfile()) { 4437 for (ActiveAdmin admin : policy.mAdminList) { 4438 if (admin.hasParentActiveAdmin()) { 4439 admins.add(admin.getParentActiveAdmin()); 4440 } 4441 } 4442 } 4443 } 4444 return getMaximumTimeToLockPolicyFromAdmins(admins); 4445 } 4446 } 4447 4448 private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) { 4449 long time = 0; 4450 final int N = admins.size(); 4451 for (int i = 0; i < N; i++) { 4452 ActiveAdmin admin = admins.get(i); 4453 if (time == 0) { 4454 time = admin.maximumTimeToUnlock; 4455 } else if (admin.maximumTimeToUnlock != 0 4456 && time > admin.maximumTimeToUnlock) { 4457 time = admin.maximumTimeToUnlock; 4458 } 4459 } 4460 return time; 4461 } 4462 4463 @Override 4464 public void setRequiredStrongAuthTimeout(ComponentName who, long timeoutMs, 4465 boolean parent) { 4466 if (!mHasFeature) { 4467 return; 4468 } 4469 Preconditions.checkNotNull(who, "ComponentName is null"); 4470 Preconditions.checkArgument(timeoutMs >= 0, "Timeout must not be a negative number."); 4471 // timeoutMs with value 0 means that the admin doesn't participate 4472 // timeoutMs is clamped to the interval in case the internal constants change in the future 4473 final long minimumStrongAuthTimeout = getMinimumStrongAuthTimeoutMs(); 4474 if (timeoutMs != 0 && timeoutMs < minimumStrongAuthTimeout) { 4475 timeoutMs = minimumStrongAuthTimeout; 4476 } 4477 if (timeoutMs > DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS) { 4478 timeoutMs = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4479 } 4480 4481 final int userHandle = mInjector.userHandleGetCallingUserId(); 4482 synchronized (this) { 4483 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4484 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, parent); 4485 if (ap.strongAuthUnlockTimeout != timeoutMs) { 4486 ap.strongAuthUnlockTimeout = timeoutMs; 4487 saveSettingsLocked(userHandle); 4488 } 4489 } 4490 } 4491 4492 /** 4493 * Return a single admin's strong auth unlock timeout or minimum value (strictest) of all 4494 * admins if who is null. 4495 * Returns 0 if not configured for the provided admin. 4496 */ 4497 @Override 4498 public long getRequiredStrongAuthTimeout(ComponentName who, int userId, boolean parent) { 4499 if (!mHasFeature) { 4500 return DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4501 } 4502 enforceFullCrossUsersPermission(userId); 4503 synchronized (this) { 4504 if (who != null) { 4505 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userId, parent); 4506 return admin != null ? admin.strongAuthUnlockTimeout : 0; 4507 } 4508 4509 // Return the strictest policy across all participating admins. 4510 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(userId, parent); 4511 4512 long strongAuthUnlockTimeout = DevicePolicyManager.DEFAULT_STRONG_AUTH_TIMEOUT_MS; 4513 for (int i = 0; i < admins.size(); i++) { 4514 final long timeout = admins.get(i).strongAuthUnlockTimeout; 4515 if (timeout != 0) { // take only participating admins into account 4516 strongAuthUnlockTimeout = Math.min(timeout, strongAuthUnlockTimeout); 4517 } 4518 } 4519 return Math.max(strongAuthUnlockTimeout, getMinimumStrongAuthTimeoutMs()); 4520 } 4521 } 4522 4523 private long getMinimumStrongAuthTimeoutMs() { 4524 if (!mInjector.isBuildDebuggable()) { 4525 return MINIMUM_STRONG_AUTH_TIMEOUT_MS; 4526 } 4527 // ideally the property was named persist.sys.min_strong_auth_timeout, but system property 4528 // name cannot be longer than 31 characters 4529 return Math.min(mInjector.systemPropertiesGetLong("persist.sys.min_str_auth_timeo", 4530 MINIMUM_STRONG_AUTH_TIMEOUT_MS), 4531 MINIMUM_STRONG_AUTH_TIMEOUT_MS); 4532 } 4533 4534 @Override 4535 public void lockNow(int flags, boolean parent) { 4536 if (!mHasFeature) { 4537 return; 4538 } 4539 4540 final int callingUserId = mInjector.userHandleGetCallingUserId(); 4541 synchronized (this) { 4542 // This API can only be called by an active device admin, 4543 // so try to retrieve it to check that the caller is one. 4544 final ActiveAdmin admin = getActiveAdminForCallerLocked( 4545 null, DeviceAdminInfo.USES_POLICY_FORCE_LOCK, parent); 4546 4547 final long ident = mInjector.binderClearCallingIdentity(); 4548 try { 4549 // Evict key 4550 if ((flags & DevicePolicyManager.FLAG_EVICT_CE_KEY) != 0) { 4551 enforceManagedProfile(callingUserId, "set FLAG_EVICT_CE_KEY"); 4552 if (!isProfileOwner(admin.info.getComponent(), callingUserId)) { 4553 throw new SecurityException( 4554 "Only profile owner admins can set FLAG_EVICT_CE_KEY"); 4555 } 4556 if (parent) { 4557 throw new IllegalArgumentException( 4558 "Cannot set FLAG_EVICT_CE_KEY for the parent"); 4559 } 4560 if (!mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 4561 throw new UnsupportedOperationException( 4562 "FLAG_EVICT_CE_KEY only applies to FBE devices"); 4563 } 4564 mUserManager.evictCredentialEncryptionKey(callingUserId); 4565 } 4566 4567 // Lock all users unless this is a managed profile with a separate challenge 4568 final int userToLock = (parent || !isSeparateProfileChallengeEnabled(callingUserId) 4569 ? UserHandle.USER_ALL : callingUserId); 4570 mLockPatternUtils.requireStrongAuth( 4571 STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW, userToLock); 4572 4573 // Require authentication for the device or profile 4574 if (userToLock == UserHandle.USER_ALL) { 4575 // Power off the display 4576 mInjector.powerManagerGoToSleep(SystemClock.uptimeMillis(), 4577 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 4578 mInjector.getIWindowManager().lockNow(null); 4579 } else { 4580 mInjector.getTrustManager().setDeviceLockedForUser(userToLock, true); 4581 } 4582 } catch (RemoteException e) { 4583 } finally { 4584 mInjector.binderRestoreCallingIdentity(ident); 4585 } 4586 } 4587 } 4588 4589 @Override 4590 public void enforceCanManageCaCerts(ComponentName who, String callerPackage) { 4591 if (who == null) { 4592 if (!isCallerDelegate(callerPackage, DELEGATION_CERT_INSTALL)) { 4593 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 4594 } 4595 } else { 4596 enforceProfileOrDeviceOwner(who); 4597 } 4598 } 4599 4600 private void enforceProfileOrDeviceOwner(ComponentName who) { 4601 synchronized (this) { 4602 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4603 } 4604 } 4605 4606 @Override 4607 public boolean approveCaCert(String alias, int userId, boolean approval) { 4608 enforceManageUsers(); 4609 synchronized (this) { 4610 Set<String> certs = getUserData(userId).mAcceptedCaCertificates; 4611 boolean changed = (approval ? certs.add(alias) : certs.remove(alias)); 4612 if (!changed) { 4613 return false; 4614 } 4615 saveSettingsLocked(userId); 4616 } 4617 new MonitoringCertNotificationTask().execute(userId); 4618 return true; 4619 } 4620 4621 @Override 4622 public boolean isCaCertApproved(String alias, int userId) { 4623 enforceManageUsers(); 4624 synchronized (this) { 4625 return getUserData(userId).mAcceptedCaCertificates.contains(alias); 4626 } 4627 } 4628 4629 private void removeCaApprovalsIfNeeded(int userId) { 4630 for (UserInfo userInfo : mUserManager.getProfiles(userId)) { 4631 boolean isSecure = mLockPatternUtils.isSecure(userInfo.id); 4632 if (userInfo.isManagedProfile()){ 4633 isSecure |= mLockPatternUtils.isSecure(getProfileParentId(userInfo.id)); 4634 } 4635 if (!isSecure) { 4636 synchronized (this) { 4637 getUserData(userInfo.id).mAcceptedCaCertificates.clear(); 4638 saveSettingsLocked(userInfo.id); 4639 } 4640 4641 new MonitoringCertNotificationTask().execute(userInfo.id); 4642 } 4643 } 4644 } 4645 4646 @Override 4647 public boolean installCaCert(ComponentName admin, String callerPackage, byte[] certBuffer) 4648 throws RemoteException { 4649 enforceCanManageCaCerts(admin, callerPackage); 4650 4651 byte[] pemCert; 4652 try { 4653 X509Certificate cert = parseCert(certBuffer); 4654 pemCert = Credentials.convertToPem(cert); 4655 } catch (CertificateException ce) { 4656 Log.e(LOG_TAG, "Problem converting cert", ce); 4657 return false; 4658 } catch (IOException ioe) { 4659 Log.e(LOG_TAG, "Problem reading cert", ioe); 4660 return false; 4661 } 4662 4663 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4664 final long id = mInjector.binderClearCallingIdentity(); 4665 try { 4666 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4667 try { 4668 keyChainConnection.getService().installCaCertificate(pemCert); 4669 return true; 4670 } catch (RemoteException e) { 4671 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 4672 } finally { 4673 keyChainConnection.close(); 4674 } 4675 } catch (InterruptedException e1) { 4676 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 4677 Thread.currentThread().interrupt(); 4678 } finally { 4679 mInjector.binderRestoreCallingIdentity(id); 4680 } 4681 return false; 4682 } 4683 4684 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 4685 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 4686 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 4687 certBuffer)); 4688 } 4689 4690 @Override 4691 public void uninstallCaCerts(ComponentName admin, String callerPackage, String[] aliases) { 4692 enforceCanManageCaCerts(admin, callerPackage); 4693 4694 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4695 final long id = mInjector.binderClearCallingIdentity(); 4696 try { 4697 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4698 try { 4699 for (int i = 0 ; i < aliases.length; i++) { 4700 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 4701 } 4702 } catch (RemoteException e) { 4703 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 4704 } finally { 4705 keyChainConnection.close(); 4706 } 4707 } catch (InterruptedException ie) { 4708 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 4709 Thread.currentThread().interrupt(); 4710 } finally { 4711 mInjector.binderRestoreCallingIdentity(id); 4712 } 4713 } 4714 4715 @Override 4716 public boolean installKeyPair(ComponentName who, String callerPackage, byte[] privKey, 4717 byte[] cert, byte[] chain, String alias, boolean requestAccess) { 4718 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 4719 DELEGATION_CERT_INSTALL); 4720 4721 4722 final int callingUid = mInjector.binderGetCallingUid(); 4723 final long id = mInjector.binderClearCallingIdentity(); 4724 try { 4725 final KeyChainConnection keyChainConnection = 4726 KeyChain.bindAsUser(mContext, UserHandle.getUserHandleForUid(callingUid)); 4727 try { 4728 IKeyChainService keyChain = keyChainConnection.getService(); 4729 if (!keyChain.installKeyPair(privKey, cert, chain, alias)) { 4730 return false; 4731 } 4732 if (requestAccess) { 4733 keyChain.setGrant(callingUid, alias, true); 4734 } 4735 return true; 4736 } catch (RemoteException e) { 4737 Log.e(LOG_TAG, "Installing certificate", e); 4738 } finally { 4739 keyChainConnection.close(); 4740 } 4741 } catch (InterruptedException e) { 4742 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 4743 Thread.currentThread().interrupt(); 4744 } finally { 4745 mInjector.binderRestoreCallingIdentity(id); 4746 } 4747 return false; 4748 } 4749 4750 @Override 4751 public boolean removeKeyPair(ComponentName who, String callerPackage, String alias) { 4752 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 4753 DELEGATION_CERT_INSTALL); 4754 4755 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4756 final long id = Binder.clearCallingIdentity(); 4757 try { 4758 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 4759 try { 4760 IKeyChainService keyChain = keyChainConnection.getService(); 4761 return keyChain.removeKeyPair(alias); 4762 } catch (RemoteException e) { 4763 Log.e(LOG_TAG, "Removing keypair", e); 4764 } finally { 4765 keyChainConnection.close(); 4766 } 4767 } catch (InterruptedException e) { 4768 Log.w(LOG_TAG, "Interrupted while removing keypair", e); 4769 Thread.currentThread().interrupt(); 4770 } finally { 4771 Binder.restoreCallingIdentity(id); 4772 } 4773 return false; 4774 } 4775 4776 @Override 4777 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 4778 final IBinder response) { 4779 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 4780 if (!isCallerWithSystemUid()) { 4781 return; 4782 } 4783 4784 final UserHandle caller = mInjector.binderGetCallingUserHandle(); 4785 // If there is a profile owner, redirect to that; otherwise query the device owner. 4786 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 4787 if (aliasChooser == null && caller.isSystem()) { 4788 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 4789 if (deviceOwnerAdmin != null) { 4790 aliasChooser = deviceOwnerAdmin.info.getComponent(); 4791 } 4792 } 4793 if (aliasChooser == null) { 4794 sendPrivateKeyAliasResponse(null, response); 4795 return; 4796 } 4797 4798 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 4799 intent.setComponent(aliasChooser); 4800 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 4801 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 4802 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 4803 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 4804 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 4805 4806 final long id = mInjector.binderClearCallingIdentity(); 4807 try { 4808 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 4809 @Override 4810 public void onReceive(Context context, Intent intent) { 4811 final String chosenAlias = getResultData(); 4812 sendPrivateKeyAliasResponse(chosenAlias, response); 4813 } 4814 }, null, Activity.RESULT_OK, null, null); 4815 } finally { 4816 mInjector.binderRestoreCallingIdentity(id); 4817 } 4818 } 4819 4820 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 4821 final IKeyChainAliasCallback keyChainAliasResponse = 4822 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 4823 new AsyncTask<Void, Void, Void>() { 4824 @Override 4825 protected Void doInBackground(Void... unused) { 4826 try { 4827 keyChainAliasResponse.alias(alias); 4828 } catch (Exception e) { 4829 // Catch everything (not just RemoteException): caller could throw a 4830 // RuntimeException back across processes. 4831 Log.e(LOG_TAG, "error while responding to callback", e); 4832 } 4833 return null; 4834 } 4835 }.execute(); 4836 } 4837 4838 /** 4839 * Set the scopes of a device owner or profile owner delegate. 4840 * 4841 * @param who the device owner or profile owner. 4842 * @param delegatePackage the name of the delegate package. 4843 * @param scopes the list of delegation scopes to be given to the delegate package. 4844 */ 4845 @Override 4846 public void setDelegatedScopes(ComponentName who, String delegatePackage, 4847 List<String> scopes) throws SecurityException { 4848 Preconditions.checkNotNull(who, "ComponentName is null"); 4849 Preconditions.checkStringNotEmpty(delegatePackage, "Delegate package is null or empty"); 4850 Preconditions.checkCollectionElementsNotNull(scopes, "Scopes"); 4851 // Remove possible duplicates. 4852 scopes = new ArrayList(new ArraySet(scopes)); 4853 // Ensure given scopes are valid. 4854 if (scopes.retainAll(Arrays.asList(DELEGATIONS))) { 4855 throw new IllegalArgumentException("Unexpected delegation scopes"); 4856 } 4857 4858 // Retrieve the user ID of the calling process. 4859 final int userId = mInjector.userHandleGetCallingUserId(); 4860 synchronized (this) { 4861 // Ensure calling process is device/profile owner. 4862 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4863 // Ensure the delegate is installed (skip this for DELEGATION_CERT_INSTALL in pre-N). 4864 if (scopes.size() == 1 && scopes.get(0).equals(DELEGATION_CERT_INSTALL) || 4865 getTargetSdk(who.getPackageName(), userId) >= Build.VERSION_CODES.N) { 4866 // Throw when the delegate package is not installed. 4867 if (!isPackageInstalledForUser(delegatePackage, userId)) { 4868 throw new IllegalArgumentException("Package " + delegatePackage 4869 + " is not installed on the current user"); 4870 } 4871 } 4872 4873 // Set the new delegate in user policies. 4874 final DevicePolicyData policy = getUserData(userId); 4875 if (!scopes.isEmpty()) { 4876 policy.mDelegationMap.put(delegatePackage, new ArrayList<>(scopes)); 4877 } else { 4878 // Remove any delegation info if the given scopes list is empty. 4879 policy.mDelegationMap.remove(delegatePackage); 4880 } 4881 4882 // Notify delegate package of updates. 4883 final Intent intent = new Intent( 4884 DevicePolicyManager.ACTION_APPLICATION_DELEGATION_SCOPES_CHANGED); 4885 // Only call receivers registered in the manifest (don’t wake app if not running). 4886 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 4887 // Limit components this intent resolves to to the delegate package. 4888 intent.setPackage(delegatePackage); 4889 // Include the list of delegated scopes as an extra. 4890 intent.putExtra(DevicePolicyManager.EXTRA_DELEGATION_SCOPES, scopes.toArray()); 4891 // Send the broadcast. 4892 mContext.sendBroadcastAsUser(intent, UserHandle.of(userId)); 4893 4894 // Persist updates. 4895 saveSettingsLocked(userId); 4896 } 4897 } 4898 4899 /** 4900 * Get the delegation scopes given to a delegate package by a device owner or profile owner. 4901 * 4902 * A DO/PO can get the scopes of any package. A non DO/PO package can get its own scopes by 4903 * passing in {@code null} as the {@code who} parameter and its own name as the 4904 * {@code delegatepackage}. 4905 * 4906 * @param who the device owner or profile owner, or {@code null} if the caller is 4907 * {@code delegatePackage}. 4908 * @param delegatePackage the name of the delegate package whose scopes are to be retrieved. 4909 * @return a list of the delegation scopes currently given to {@code delegatePackage}. 4910 */ 4911 @Override 4912 @NonNull 4913 public List<String> getDelegatedScopes(ComponentName who, 4914 String delegatePackage) throws SecurityException { 4915 Preconditions.checkNotNull(delegatePackage, "Delegate package is null"); 4916 4917 // Retrieve the user ID of the calling process. 4918 final int callingUid = mInjector.binderGetCallingUid(); 4919 final int userId = UserHandle.getUserId(callingUid); 4920 synchronized (this) { 4921 // Ensure calling process is device/profile owner. 4922 if (who != null) { 4923 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4924 // Or ensure calling process is delegatePackage itself. 4925 } else { 4926 int uid = 0; 4927 try { 4928 uid = mInjector.getPackageManager() 4929 .getPackageUidAsUser(delegatePackage, userId); 4930 } catch(NameNotFoundException e) { 4931 } 4932 if (uid != callingUid) { 4933 throw new SecurityException("Caller with uid " + callingUid + " is not " 4934 + delegatePackage); 4935 } 4936 } 4937 final DevicePolicyData policy = getUserData(userId); 4938 // Retrieve the scopes assigned to delegatePackage, or null if no scope was given. 4939 final List<String> scopes = policy.mDelegationMap.get(delegatePackage); 4940 return scopes == null ? Collections.EMPTY_LIST : scopes; 4941 } 4942 } 4943 4944 /** 4945 * Get a list of packages that were given a specific delegation scopes by a device owner or 4946 * profile owner. 4947 * 4948 * @param who the device owner or profile owner. 4949 * @param scope the scope whose delegates are to be retrieved. 4950 * @return a list of the delegate packages currently given the {@code scope} delegation. 4951 */ 4952 @NonNull 4953 public List<String> getDelegatePackages(ComponentName who, String scope) 4954 throws SecurityException { 4955 Preconditions.checkNotNull(who, "ComponentName is null"); 4956 Preconditions.checkNotNull(scope, "Scope is null"); 4957 if (!Arrays.asList(DELEGATIONS).contains(scope)) { 4958 throw new IllegalArgumentException("Unexpected delegation scope: " + scope); 4959 } 4960 4961 // Retrieve the user ID of the calling process. 4962 final int userId = mInjector.userHandleGetCallingUserId(); 4963 synchronized (this) { 4964 // Ensure calling process is device/profile owner. 4965 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4966 final DevicePolicyData policy = getUserData(userId); 4967 4968 // Create a list to hold the resulting delegate packages. 4969 final List<String> delegatePackagesWithScope = new ArrayList<>(); 4970 // Add all delegations containing scope to the result list. 4971 for (int i = 0; i < policy.mDelegationMap.size(); i++) { 4972 if (policy.mDelegationMap.valueAt(i).contains(scope)) { 4973 delegatePackagesWithScope.add(policy.mDelegationMap.keyAt(i)); 4974 } 4975 } 4976 return delegatePackagesWithScope; 4977 } 4978 } 4979 4980 /** 4981 * Check whether a caller application has been delegated a given scope via 4982 * {@link #setDelegatedScopes} to access privileged APIs on the behalf of a profile owner or 4983 * device owner. 4984 * <p> 4985 * This is done by checking that {@code callerPackage} was granted {@code scope} delegation and 4986 * then comparing the calling UID with the UID of {@code callerPackage} as reported by 4987 * {@link PackageManager#getPackageUidAsUser}. 4988 * 4989 * @param callerPackage the name of the package that is trying to invoke a function in the DPMS. 4990 * @param scope the delegation scope to be checked. 4991 * @return {@code true} if the calling process is a delegate of {@code scope}. 4992 */ 4993 private boolean isCallerDelegate(String callerPackage, String scope) { 4994 Preconditions.checkNotNull(callerPackage, "callerPackage is null"); 4995 if (!Arrays.asList(DELEGATIONS).contains(scope)) { 4996 throw new IllegalArgumentException("Unexpected delegation scope: " + scope); 4997 } 4998 4999 // Retrieve the UID and user ID of the calling process. 5000 final int callingUid = mInjector.binderGetCallingUid(); 5001 final int userId = UserHandle.getUserId(callingUid); 5002 synchronized (this) { 5003 // Retrieve user policy data. 5004 final DevicePolicyData policy = getUserData(userId); 5005 // Retrieve the list of delegation scopes granted to callerPackage. 5006 final List<String> scopes = policy.mDelegationMap.get(callerPackage); 5007 // Check callingUid only if callerPackage has the required scope delegation. 5008 if (scopes != null && scopes.contains(scope)) { 5009 try { 5010 // Retrieve the expected UID for callerPackage. 5011 final int uid = mInjector.getPackageManager() 5012 .getPackageUidAsUser(callerPackage, userId); 5013 // Return true if the caller is actually callerPackage. 5014 return uid == callingUid; 5015 } catch (NameNotFoundException e) { 5016 // Ignore. 5017 } 5018 } 5019 return false; 5020 } 5021 } 5022 5023 /** 5024 * Throw a security exception if a ComponentName is given and it is not a device/profile owner 5025 * or if the calling process is not a delegate of the given scope. 5026 * 5027 * @param who the device owner of profile owner, or null if {@code callerPackage} is a 5028 * {@code scope} delegate. 5029 * @param callerPackage the name of the calling package. Required if {@code who} is 5030 * {@code null}. 5031 * @param reqPolicy the policy used in the API whose access permission is being checked. 5032 * @param scoppe the delegation scope corresponding to the API being checked. 5033 * @throws SecurityException if {@code who} is given and is not an owner for {@code reqPolicy}; 5034 * or when {@code who} is {@code null} and {@code callerPackage} is not a delegate 5035 * of {@code scope}. 5036 */ 5037 private void enforceCanManageScope(ComponentName who, String callerPackage, int reqPolicy, 5038 String scope) { 5039 // If a ComponentName is given ensure it is a device or profile owner according to policy. 5040 if (who != null) { 5041 synchronized (this) { 5042 getActiveAdminForCallerLocked(who, reqPolicy); 5043 } 5044 // If no ComponentName is given ensure calling process has scope delegation. 5045 } else if (!isCallerDelegate(callerPackage, scope)) { 5046 throw new SecurityException("Caller with uid " + mInjector.binderGetCallingUid() 5047 + " is not a delegate of scope " + scope + "."); 5048 } 5049 } 5050 5051 /** 5052 * Helper function to preserve delegation behavior pre-O when using the deprecated functions 5053 * {@code #setCertInstallerPackage} and {@code #setApplicationRestrictionsManagingPackage}. 5054 */ 5055 private void setDelegatedScopePreO(ComponentName who, 5056 String delegatePackage, String scope) { 5057 Preconditions.checkNotNull(who, "ComponentName is null"); 5058 5059 final int userId = mInjector.userHandleGetCallingUserId(); 5060 synchronized(this) { 5061 // Ensure calling process is device/profile owner. 5062 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5063 final DevicePolicyData policy = getUserData(userId); 5064 5065 if (delegatePackage != null) { 5066 // Set package as a delegate for scope if it is not already one. 5067 List<String> scopes = policy.mDelegationMap.get(delegatePackage); 5068 if (scopes == null) { 5069 scopes = new ArrayList<>(); 5070 } 5071 if (!scopes.contains(scope)) { 5072 scopes.add(scope); 5073 setDelegatedScopes(who, delegatePackage, scopes); 5074 } 5075 } 5076 5077 // Clear any existing scope delegates. 5078 for (int i = 0; i < policy.mDelegationMap.size(); i++) { 5079 final String currentPackage = policy.mDelegationMap.keyAt(i); 5080 final List<String> currentScopes = policy.mDelegationMap.valueAt(i); 5081 5082 if (!currentPackage.equals(delegatePackage) && currentScopes.remove(scope)) { 5083 setDelegatedScopes(who, currentPackage, currentScopes); 5084 } 5085 } 5086 } 5087 } 5088 5089 @Override 5090 public void setCertInstallerPackage(ComponentName who, String installerPackage) 5091 throws SecurityException { 5092 setDelegatedScopePreO(who, installerPackage, DELEGATION_CERT_INSTALL); 5093 } 5094 5095 @Override 5096 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 5097 final List<String> delegatePackages = getDelegatePackages(who, DELEGATION_CERT_INSTALL); 5098 return delegatePackages.size() > 0 ? delegatePackages.get(0) : null; 5099 } 5100 5101 /** 5102 * @return {@code true} if the package is installed and set as always-on, {@code false} if it is 5103 * not installed and therefore not available. 5104 * 5105 * @throws SecurityException if the caller is not a profile or device owner. 5106 * @throws UnsupportedOperationException if the package does not support being set as always-on. 5107 */ 5108 @Override 5109 public boolean setAlwaysOnVpnPackage(ComponentName admin, String vpnPackage, boolean lockdown) 5110 throws SecurityException { 5111 enforceProfileOrDeviceOwner(admin); 5112 5113 final int userId = mInjector.userHandleGetCallingUserId(); 5114 final long token = mInjector.binderClearCallingIdentity(); 5115 try { 5116 if (vpnPackage != null && !isPackageInstalledForUser(vpnPackage, userId)) { 5117 return false; 5118 } 5119 ConnectivityManager connectivityManager = (ConnectivityManager) 5120 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5121 if (!connectivityManager.setAlwaysOnVpnPackageForUser(userId, vpnPackage, lockdown)) { 5122 throw new UnsupportedOperationException(); 5123 } 5124 } finally { 5125 mInjector.binderRestoreCallingIdentity(token); 5126 } 5127 return true; 5128 } 5129 5130 @Override 5131 public String getAlwaysOnVpnPackage(ComponentName admin) 5132 throws SecurityException { 5133 enforceProfileOrDeviceOwner(admin); 5134 5135 final int userId = mInjector.userHandleGetCallingUserId(); 5136 final long token = mInjector.binderClearCallingIdentity(); 5137 try{ 5138 ConnectivityManager connectivityManager = (ConnectivityManager) 5139 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5140 return connectivityManager.getAlwaysOnVpnPackageForUser(userId); 5141 } finally { 5142 mInjector.binderRestoreCallingIdentity(token); 5143 } 5144 } 5145 5146 private void forceWipeDeviceNoLock(boolean wipeExtRequested, String reason) { 5147 wtfIfInLock(); 5148 5149 if (wipeExtRequested) { 5150 StorageManager sm = (StorageManager) mContext.getSystemService( 5151 Context.STORAGE_SERVICE); 5152 sm.wipeAdoptableDisks(); 5153 } 5154 try { 5155 mInjector.recoverySystemRebootWipeUserData( 5156 /*shutdown=*/ false, reason, /*force=*/ true); 5157 } catch (IOException | SecurityException e) { 5158 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 5159 } 5160 } 5161 5162 private void forceWipeUser(int userId) { 5163 try { 5164 IActivityManager am = mInjector.getIActivityManager(); 5165 if (am.getCurrentUser().id == userId) { 5166 am.switchUser(UserHandle.USER_SYSTEM); 5167 } 5168 5169 boolean userRemoved = mUserManagerInternal.removeUserEvenWhenDisallowed(userId); 5170 if (!userRemoved) { 5171 Slog.w(LOG_TAG, "Couldn't remove user " + userId); 5172 } else if (isManagedProfile(userId)) { 5173 sendWipeProfileNotification(); 5174 } 5175 } catch (RemoteException re) { 5176 // Shouldn't happen 5177 } 5178 } 5179 5180 @Override 5181 public void wipeData(int flags) { 5182 if (!mHasFeature) { 5183 return; 5184 } 5185 enforceFullCrossUsersPermission(mInjector.userHandleGetCallingUserId()); 5186 5187 final ActiveAdmin admin; 5188 synchronized (this) { 5189 admin = getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_WIPE_DATA); 5190 } 5191 String reason = "DevicePolicyManager.wipeData() from " 5192 + admin.info.getComponent().flattenToShortString(); 5193 wipeDataNoLock( 5194 admin.info.getComponent(), flags, reason, admin.getUserHandle().getIdentifier()); 5195 } 5196 5197 private void wipeDataNoLock(ComponentName admin, int flags, String reason, int userId) { 5198 wtfIfInLock(); 5199 5200 long ident = mInjector.binderClearCallingIdentity(); 5201 try { 5202 // First check whether the admin is allowed to wipe the device/user/profile. 5203 final String restriction; 5204 if (userId == UserHandle.USER_SYSTEM) { 5205 restriction = UserManager.DISALLOW_FACTORY_RESET; 5206 } else if (isManagedProfile(userId)) { 5207 restriction = UserManager.DISALLOW_REMOVE_MANAGED_PROFILE; 5208 } else { 5209 restriction = UserManager.DISALLOW_REMOVE_USER; 5210 } 5211 if (isAdminAffectedByRestriction(admin, restriction, userId)) { 5212 throw new SecurityException("Cannot wipe data. " + restriction 5213 + " restriction is set for user " + userId); 5214 } 5215 5216 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 5217 if (!isDeviceOwner(admin, userId)) { 5218 throw new SecurityException( 5219 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 5220 } 5221 PersistentDataBlockManager manager = (PersistentDataBlockManager) 5222 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 5223 if (manager != null) { 5224 manager.wipe(); 5225 } 5226 } 5227 5228 // TODO If split user is enabled and the device owner is set in the primary user 5229 // (rather than system), we should probably trigger factory reset. Current code just 5230 // removes that user (but still clears FRP...) 5231 if (userId == UserHandle.USER_SYSTEM) { 5232 forceWipeDeviceNoLock(/*wipeExtRequested=*/ (flags & WIPE_EXTERNAL_STORAGE) != 0, 5233 reason); 5234 } else { 5235 forceWipeUser(userId); 5236 } 5237 } finally { 5238 mInjector.binderRestoreCallingIdentity(ident); 5239 } 5240 } 5241 5242 private void sendWipeProfileNotification() { 5243 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 5244 Notification notification = new Notification.Builder(mContext) 5245 .setSmallIcon(android.R.drawable.stat_sys_warning) 5246 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 5247 .setContentText(contentText) 5248 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 5249 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 5250 .build(); 5251 mInjector.getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 5252 } 5253 5254 private void clearWipeProfileNotification() { 5255 mInjector.getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 5256 } 5257 5258 @Override 5259 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 5260 if (!mHasFeature) { 5261 return; 5262 } 5263 enforceFullCrossUsersPermission(userHandle); 5264 mContext.enforceCallingOrSelfPermission( 5265 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5266 5267 synchronized (this) { 5268 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 5269 if (admin == null) { 5270 result.sendResult(null); 5271 return; 5272 } 5273 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 5274 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 5275 intent.setComponent(admin.info.getComponent()); 5276 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 5277 null, new BroadcastReceiver() { 5278 @Override 5279 public void onReceive(Context context, Intent intent) { 5280 result.sendResult(getResultExtras(false)); 5281 } 5282 }, null, Activity.RESULT_OK, null, null); 5283 } 5284 } 5285 5286 @Override 5287 public void setActivePasswordState(PasswordMetrics metrics, int userHandle) { 5288 if (!mHasFeature) { 5289 return; 5290 } 5291 enforceFullCrossUsersPermission(userHandle); 5292 mContext.enforceCallingOrSelfPermission( 5293 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5294 5295 // If the managed profile doesn't have a separate password, set the metrics to default 5296 if (isManagedProfile(userHandle) && !isSeparateProfileChallengeEnabled(userHandle)) { 5297 metrics = new PasswordMetrics(); 5298 } 5299 5300 validateQualityConstant(metrics.quality); 5301 DevicePolicyData policy = getUserData(userHandle); 5302 synchronized (this) { 5303 policy.mActivePasswordMetrics = metrics; 5304 } 5305 } 5306 5307 @Override 5308 public void reportPasswordChanged(@UserIdInt int userId) { 5309 if (!mHasFeature) { 5310 return; 5311 } 5312 enforceFullCrossUsersPermission(userId); 5313 5314 // Managed Profile password can only be changed when it has a separate challenge. 5315 if (!isSeparateProfileChallengeEnabled(userId)) { 5316 enforceNotManagedProfile(userId, "set the active password"); 5317 } 5318 5319 mContext.enforceCallingOrSelfPermission( 5320 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5321 5322 DevicePolicyData policy = getUserData(userId); 5323 5324 long ident = mInjector.binderClearCallingIdentity(); 5325 try { 5326 synchronized (this) { 5327 policy.mFailedPasswordAttempts = 0; 5328 saveSettingsLocked(userId); 5329 updatePasswordExpirationsLocked(userId); 5330 setExpirationAlarmCheckLocked(mContext, userId, /* parent */ false); 5331 5332 // Send a broadcast to each profile using this password as its primary unlock. 5333 sendAdminCommandForLockscreenPoliciesLocked( 5334 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 5335 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userId); 5336 } 5337 removeCaApprovalsIfNeeded(userId); 5338 } finally { 5339 mInjector.binderRestoreCallingIdentity(ident); 5340 } 5341 } 5342 5343 /** 5344 * Called any time the device password is updated. Resets all password expiration clocks. 5345 */ 5346 private void updatePasswordExpirationsLocked(int userHandle) { 5347 ArraySet<Integer> affectedUserIds = new ArraySet<Integer>(); 5348 List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked( 5349 userHandle, /* parent */ false); 5350 final int N = admins.size(); 5351 for (int i = 0; i < N; i++) { 5352 ActiveAdmin admin = admins.get(i); 5353 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 5354 affectedUserIds.add(admin.getUserHandle().getIdentifier()); 5355 long timeout = admin.passwordExpirationTimeout; 5356 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 5357 admin.passwordExpirationDate = expiration; 5358 } 5359 } 5360 for (int affectedUserId : affectedUserIds) { 5361 saveSettingsLocked(affectedUserId); 5362 } 5363 } 5364 5365 @Override 5366 public void reportFailedPasswordAttempt(int userHandle) { 5367 enforceFullCrossUsersPermission(userHandle); 5368 if (!isSeparateProfileChallengeEnabled(userHandle)) { 5369 enforceNotManagedProfile(userHandle, 5370 "report failed password attempt if separate profile challenge is not in place"); 5371 } 5372 mContext.enforceCallingOrSelfPermission( 5373 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5374 5375 boolean wipeData = false; 5376 ActiveAdmin strictestAdmin = null; 5377 final long ident = mInjector.binderClearCallingIdentity(); 5378 try { 5379 synchronized (this) { 5380 DevicePolicyData policy = getUserData(userHandle); 5381 policy.mFailedPasswordAttempts++; 5382 saveSettingsLocked(userHandle); 5383 if (mHasFeature) { 5384 strictestAdmin = getAdminWithMinimumFailedPasswordsForWipeLocked( 5385 userHandle, /* parent */ false); 5386 int max = strictestAdmin != null 5387 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 5388 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 5389 wipeData = true; 5390 } 5391 5392 sendAdminCommandForLockscreenPoliciesLocked( 5393 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 5394 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5395 } 5396 } 5397 } finally { 5398 mInjector.binderRestoreCallingIdentity(ident); 5399 } 5400 5401 if (wipeData && strictestAdmin != null) { 5402 final int userId = strictestAdmin.getUserHandle().getIdentifier(); 5403 Slog.i(LOG_TAG, "Max failed password attempts policy reached for admin: " 5404 + strictestAdmin.info.getComponent().flattenToShortString() 5405 + ". Calling wipeData for user " + userId); 5406 5407 // Attempt to wipe the device/user/profile associated with the admin, as if the 5408 // admin had called wipeData(). That way we can check whether the admin is actually 5409 // allowed to wipe the device (e.g. a regular device admin shouldn't be able to wipe the 5410 // device if the device owner has set DISALLOW_FACTORY_RESET, but the DO should be 5411 // able to do so). 5412 // IMPORTANT: Call without holding the lock to prevent deadlock. 5413 try { 5414 wipeDataNoLock(strictestAdmin.info.getComponent(), 5415 /*flags=*/ 0, 5416 /*reason=*/ "reportFailedPasswordAttempt()", 5417 userId); 5418 } catch (SecurityException e) { 5419 Slog.w(LOG_TAG, "Failed to wipe user " + userId 5420 + " after max failed password attempts reached.", e); 5421 } 5422 } 5423 5424 if (mInjector.securityLogIsLoggingEnabled()) { 5425 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5426 /*method strength*/ 1); 5427 } 5428 } 5429 5430 @Override 5431 public void reportSuccessfulPasswordAttempt(int userHandle) { 5432 enforceFullCrossUsersPermission(userHandle); 5433 mContext.enforceCallingOrSelfPermission( 5434 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5435 5436 synchronized (this) { 5437 DevicePolicyData policy = getUserData(userHandle); 5438 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 5439 long ident = mInjector.binderClearCallingIdentity(); 5440 try { 5441 policy.mFailedPasswordAttempts = 0; 5442 policy.mPasswordOwner = -1; 5443 saveSettingsLocked(userHandle); 5444 if (mHasFeature) { 5445 sendAdminCommandForLockscreenPoliciesLocked( 5446 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 5447 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 5448 } 5449 } finally { 5450 mInjector.binderRestoreCallingIdentity(ident); 5451 } 5452 } 5453 } 5454 5455 if (mInjector.securityLogIsLoggingEnabled()) { 5456 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5457 /*method strength*/ 1); 5458 } 5459 } 5460 5461 @Override 5462 public void reportFailedFingerprintAttempt(int userHandle) { 5463 enforceFullCrossUsersPermission(userHandle); 5464 mContext.enforceCallingOrSelfPermission( 5465 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5466 if (mInjector.securityLogIsLoggingEnabled()) { 5467 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 0, 5468 /*method strength*/ 0); 5469 } 5470 } 5471 5472 @Override 5473 public void reportSuccessfulFingerprintAttempt(int userHandle) { 5474 enforceFullCrossUsersPermission(userHandle); 5475 mContext.enforceCallingOrSelfPermission( 5476 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5477 if (mInjector.securityLogIsLoggingEnabled()) { 5478 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISS_AUTH_ATTEMPT, /*result*/ 1, 5479 /*method strength*/ 0); 5480 } 5481 } 5482 5483 @Override 5484 public void reportKeyguardDismissed(int userHandle) { 5485 enforceFullCrossUsersPermission(userHandle); 5486 mContext.enforceCallingOrSelfPermission( 5487 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5488 5489 if (mInjector.securityLogIsLoggingEnabled()) { 5490 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_DISMISSED); 5491 } 5492 } 5493 5494 @Override 5495 public void reportKeyguardSecured(int userHandle) { 5496 enforceFullCrossUsersPermission(userHandle); 5497 mContext.enforceCallingOrSelfPermission( 5498 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 5499 5500 if (mInjector.securityLogIsLoggingEnabled()) { 5501 SecurityLog.writeEvent(SecurityLog.TAG_KEYGUARD_SECURED); 5502 } 5503 } 5504 5505 @Override 5506 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 5507 String exclusionList) { 5508 if (!mHasFeature) { 5509 return null; 5510 } 5511 synchronized(this) { 5512 Preconditions.checkNotNull(who, "ComponentName is null"); 5513 5514 // Only check if system user has set global proxy. We don't allow other users to set it. 5515 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5516 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5517 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 5518 5519 // Scan through active admins and find if anyone has already 5520 // set the global proxy. 5521 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 5522 for (ComponentName component : compSet) { 5523 ActiveAdmin ap = policy.mAdminMap.get(component); 5524 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 5525 // Another admin already sets the global proxy 5526 // Return it to the caller. 5527 return component; 5528 } 5529 } 5530 5531 // If the user is not system, don't set the global proxy. Fail silently. 5532 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 5533 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 5534 + UserHandle.getCallingUserId() + " is not permitted."); 5535 return null; 5536 } 5537 if (proxySpec == null) { 5538 admin.specifiesGlobalProxy = false; 5539 admin.globalProxySpec = null; 5540 admin.globalProxyExclusionList = null; 5541 } else { 5542 5543 admin.specifiesGlobalProxy = true; 5544 admin.globalProxySpec = proxySpec; 5545 admin.globalProxyExclusionList = exclusionList; 5546 } 5547 5548 // Reset the global proxy accordingly 5549 // Do this using system permissions, as apps cannot write to secure settings 5550 long origId = mInjector.binderClearCallingIdentity(); 5551 try { 5552 resetGlobalProxyLocked(policy); 5553 } finally { 5554 mInjector.binderRestoreCallingIdentity(origId); 5555 } 5556 return null; 5557 } 5558 } 5559 5560 @Override 5561 public ComponentName getGlobalProxyAdmin(int userHandle) { 5562 if (!mHasFeature) { 5563 return null; 5564 } 5565 enforceFullCrossUsersPermission(userHandle); 5566 synchronized(this) { 5567 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5568 // Scan through active admins and find if anyone has already 5569 // set the global proxy. 5570 final int N = policy.mAdminList.size(); 5571 for (int i = 0; i < N; i++) { 5572 ActiveAdmin ap = policy.mAdminList.get(i); 5573 if (ap.specifiesGlobalProxy) { 5574 // Device admin sets the global proxy 5575 // Return it to the caller. 5576 return ap.info.getComponent(); 5577 } 5578 } 5579 } 5580 // No device admin sets the global proxy. 5581 return null; 5582 } 5583 5584 @Override 5585 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 5586 synchronized (this) { 5587 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5588 } 5589 long token = mInjector.binderClearCallingIdentity(); 5590 try { 5591 ConnectivityManager connectivityManager = (ConnectivityManager) 5592 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 5593 connectivityManager.setGlobalProxy(proxyInfo); 5594 } finally { 5595 mInjector.binderRestoreCallingIdentity(token); 5596 } 5597 } 5598 5599 private void resetGlobalProxyLocked(DevicePolicyData policy) { 5600 final int N = policy.mAdminList.size(); 5601 for (int i = 0; i < N; i++) { 5602 ActiveAdmin ap = policy.mAdminList.get(i); 5603 if (ap.specifiesGlobalProxy) { 5604 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 5605 return; 5606 } 5607 } 5608 // No device admins defining global proxies - reset global proxy settings to none 5609 saveGlobalProxyLocked(null, null); 5610 } 5611 5612 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 5613 if (exclusionList == null) { 5614 exclusionList = ""; 5615 } 5616 if (proxySpec == null) { 5617 proxySpec = ""; 5618 } 5619 // Remove white spaces 5620 proxySpec = proxySpec.trim(); 5621 String data[] = proxySpec.split(":"); 5622 int proxyPort = 8080; 5623 if (data.length > 1) { 5624 try { 5625 proxyPort = Integer.parseInt(data[1]); 5626 } catch (NumberFormatException e) {} 5627 } 5628 exclusionList = exclusionList.trim(); 5629 5630 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 5631 if (!proxyProperties.isValid()) { 5632 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 5633 return; 5634 } 5635 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 5636 mInjector.settingsGlobalPutInt(Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 5637 mInjector.settingsGlobalPutString(Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 5638 exclusionList); 5639 } 5640 5641 /** 5642 * Set the storage encryption request for a single admin. Returns the new total request 5643 * status (for all admins). 5644 */ 5645 @Override 5646 public int setStorageEncryption(ComponentName who, boolean encrypt) { 5647 if (!mHasFeature) { 5648 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5649 } 5650 Preconditions.checkNotNull(who, "ComponentName is null"); 5651 final int userHandle = UserHandle.getCallingUserId(); 5652 synchronized (this) { 5653 // Check for permissions 5654 // Only system user can set storage encryption 5655 if (userHandle != UserHandle.USER_SYSTEM) { 5656 Slog.w(LOG_TAG, "Only owner/system user is allowed to set storage encryption. User " 5657 + UserHandle.getCallingUserId() + " is not permitted."); 5658 return 0; 5659 } 5660 5661 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5662 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 5663 5664 // Quick exit: If the filesystem does not support encryption, we can exit early. 5665 if (!isEncryptionSupported()) { 5666 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5667 } 5668 5669 // (1) Record the value for the admin so it's sticky 5670 if (ap.encryptionRequested != encrypt) { 5671 ap.encryptionRequested = encrypt; 5672 saveSettingsLocked(userHandle); 5673 } 5674 5675 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 5676 // (2) Compute "max" for all admins 5677 boolean newRequested = false; 5678 final int N = policy.mAdminList.size(); 5679 for (int i = 0; i < N; i++) { 5680 newRequested |= policy.mAdminList.get(i).encryptionRequested; 5681 } 5682 5683 // Notify OS of new request 5684 setEncryptionRequested(newRequested); 5685 5686 // Return the new global request status 5687 return newRequested 5688 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 5689 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5690 } 5691 } 5692 5693 /** 5694 * Get the current storage encryption request status for a given admin, or aggregate of all 5695 * active admins. 5696 */ 5697 @Override 5698 public boolean getStorageEncryption(ComponentName who, int userHandle) { 5699 if (!mHasFeature) { 5700 return false; 5701 } 5702 enforceFullCrossUsersPermission(userHandle); 5703 synchronized (this) { 5704 // Check for permissions if a particular caller is specified 5705 if (who != null) { 5706 // When checking for a single caller, status is based on caller's request 5707 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 5708 return ap != null ? ap.encryptionRequested : false; 5709 } 5710 5711 // If no particular caller is specified, return the aggregate set of requests. 5712 // This is short circuited by returning true on the first hit. 5713 DevicePolicyData policy = getUserData(userHandle); 5714 final int N = policy.mAdminList.size(); 5715 for (int i = 0; i < N; i++) { 5716 if (policy.mAdminList.get(i).encryptionRequested) { 5717 return true; 5718 } 5719 } 5720 return false; 5721 } 5722 } 5723 5724 /** 5725 * Get the current encryption status of the device. 5726 */ 5727 @Override 5728 public int getStorageEncryptionStatus(@Nullable String callerPackage, int userHandle) { 5729 if (!mHasFeature) { 5730 // Ok to return current status. 5731 } 5732 enforceFullCrossUsersPermission(userHandle); 5733 5734 // It's not critical here, but let's make sure the package name is correct, in case 5735 // we start using it for different purposes. 5736 ensureCallerPackage(callerPackage); 5737 5738 final ApplicationInfo ai; 5739 try { 5740 ai = mIPackageManager.getApplicationInfo(callerPackage, 0, userHandle); 5741 } catch (RemoteException e) { 5742 throw new SecurityException(e); 5743 } 5744 5745 boolean legacyApp = false; 5746 if (ai.targetSdkVersion <= Build.VERSION_CODES.M) { 5747 legacyApp = true; 5748 } 5749 5750 final int rawStatus = getEncryptionStatus(); 5751 if ((rawStatus == DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER) && legacyApp) { 5752 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5753 } 5754 return rawStatus; 5755 } 5756 5757 /** 5758 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 5759 */ 5760 private boolean isEncryptionSupported() { 5761 // Note, this can be implemented as 5762 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5763 // But is provided as a separate internal method if there's a faster way to do a 5764 // simple check for supported-or-not. 5765 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5766 } 5767 5768 /** 5769 * Hook to low-levels: Reporting the current status of encryption. 5770 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 5771 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 5772 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, 5773 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_PER_USER}, or 5774 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 5775 */ 5776 private int getEncryptionStatus() { 5777 if (mInjector.storageManagerIsFileBasedEncryptionEnabled()) { 5778 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER; 5779 } else if (mInjector.storageManagerIsNonDefaultBlockEncrypted()) { 5780 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 5781 } else if (mInjector.storageManagerIsEncrypted()) { 5782 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 5783 } else if (mInjector.storageManagerIsEncryptable()) { 5784 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 5785 } else { 5786 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 5787 } 5788 } 5789 5790 /** 5791 * Hook to low-levels: If needed, record the new admin setting for encryption. 5792 */ 5793 private void setEncryptionRequested(boolean encrypt) { 5794 } 5795 5796 /** 5797 * Set whether the screen capture is disabled for the user managed by the specified admin. 5798 */ 5799 @Override 5800 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 5801 if (!mHasFeature) { 5802 return; 5803 } 5804 Preconditions.checkNotNull(who, "ComponentName is null"); 5805 final int userHandle = UserHandle.getCallingUserId(); 5806 synchronized (this) { 5807 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5808 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5809 if (ap.disableScreenCapture != disabled) { 5810 ap.disableScreenCapture = disabled; 5811 saveSettingsLocked(userHandle); 5812 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 5813 } 5814 } 5815 } 5816 5817 /** 5818 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 5819 * active admin (if given admin is null). 5820 */ 5821 @Override 5822 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 5823 if (!mHasFeature) { 5824 return false; 5825 } 5826 synchronized (this) { 5827 if (who != null) { 5828 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 5829 return (admin != null) ? admin.disableScreenCapture : false; 5830 } 5831 5832 DevicePolicyData policy = getUserData(userHandle); 5833 final int N = policy.mAdminList.size(); 5834 for (int i = 0; i < N; i++) { 5835 ActiveAdmin admin = policy.mAdminList.get(i); 5836 if (admin.disableScreenCapture) { 5837 return true; 5838 } 5839 } 5840 return false; 5841 } 5842 } 5843 5844 private void updateScreenCaptureDisabledInWindowManager(final int userHandle, 5845 final boolean disabled) { 5846 mHandler.post(new Runnable() { 5847 @Override 5848 public void run() { 5849 try { 5850 mInjector.getIWindowManager().setScreenCaptureDisabled(userHandle, disabled); 5851 } catch (RemoteException e) { 5852 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 5853 } 5854 } 5855 }); 5856 } 5857 5858 /** 5859 * Set whether auto time is required by the specified admin (must be device or profile owner). 5860 */ 5861 @Override 5862 public void setAutoTimeRequired(ComponentName who, boolean required) { 5863 if (!mHasFeature) { 5864 return; 5865 } 5866 Preconditions.checkNotNull(who, "ComponentName is null"); 5867 final int userHandle = UserHandle.getCallingUserId(); 5868 synchronized (this) { 5869 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5870 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5871 if (admin.requireAutoTime != required) { 5872 admin.requireAutoTime = required; 5873 saveSettingsLocked(userHandle); 5874 } 5875 } 5876 5877 // Turn AUTO_TIME on in settings if it is required 5878 if (required) { 5879 long ident = mInjector.binderClearCallingIdentity(); 5880 try { 5881 mInjector.settingsGlobalPutInt(Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 5882 } finally { 5883 mInjector.binderRestoreCallingIdentity(ident); 5884 } 5885 } 5886 } 5887 5888 /** 5889 * Returns whether or not auto time is required by the device owner or any profile owner. 5890 */ 5891 @Override 5892 public boolean getAutoTimeRequired() { 5893 if (!mHasFeature) { 5894 return false; 5895 } 5896 synchronized (this) { 5897 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 5898 if (deviceOwner != null && deviceOwner.requireAutoTime) { 5899 // If the device owner enforces auto time, we don't need to check the PO's 5900 return true; 5901 } 5902 5903 // Now check to see if any profile owner on any user enforces auto time 5904 for (Integer userId : mOwners.getProfileOwnerKeys()) { 5905 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 5906 if (profileOwner != null && profileOwner.requireAutoTime) { 5907 return true; 5908 } 5909 } 5910 5911 return false; 5912 } 5913 } 5914 5915 @Override 5916 public void setForceEphemeralUsers(ComponentName who, boolean forceEphemeralUsers) { 5917 if (!mHasFeature) { 5918 return; 5919 } 5920 Preconditions.checkNotNull(who, "ComponentName is null"); 5921 // Allow setting this policy to true only if there is a split system user. 5922 if (forceEphemeralUsers && !mInjector.userManagerIsSplitSystemUser()) { 5923 throw new UnsupportedOperationException( 5924 "Cannot force ephemeral users on systems without split system user."); 5925 } 5926 boolean removeAllUsers = false; 5927 synchronized (this) { 5928 final ActiveAdmin deviceOwner = 5929 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5930 if (deviceOwner.forceEphemeralUsers != forceEphemeralUsers) { 5931 deviceOwner.forceEphemeralUsers = forceEphemeralUsers; 5932 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 5933 mUserManagerInternal.setForceEphemeralUsers(forceEphemeralUsers); 5934 removeAllUsers = forceEphemeralUsers; 5935 } 5936 } 5937 if (removeAllUsers) { 5938 long identitity = mInjector.binderClearCallingIdentity(); 5939 try { 5940 mUserManagerInternal.removeAllUsers(); 5941 } finally { 5942 mInjector.binderRestoreCallingIdentity(identitity); 5943 } 5944 } 5945 } 5946 5947 @Override 5948 public boolean getForceEphemeralUsers(ComponentName who) { 5949 if (!mHasFeature) { 5950 return false; 5951 } 5952 Preconditions.checkNotNull(who, "ComponentName is null"); 5953 synchronized (this) { 5954 final ActiveAdmin deviceOwner = 5955 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5956 return deviceOwner.forceEphemeralUsers; 5957 } 5958 } 5959 5960 private void ensureDeviceOwnerAndAllUsersAffiliated(ComponentName who) throws SecurityException { 5961 synchronized (this) { 5962 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5963 if (!areAllUsersAffiliatedWithDeviceLocked()) { 5964 throw new SecurityException("Not all users are affiliated."); 5965 } 5966 } 5967 } 5968 5969 @Override 5970 public boolean requestBugreport(ComponentName who) { 5971 if (!mHasFeature) { 5972 return false; 5973 } 5974 Preconditions.checkNotNull(who, "ComponentName is null"); 5975 5976 // TODO: If an unaffiliated user is removed, the admin will be able to request a bugreport 5977 // which could still contain data related to that user. Should we disallow that, e.g. until 5978 // next boot? Might not be needed given that this still requires user consent. 5979 ensureDeviceOwnerAndAllUsersAffiliated(who); 5980 5981 if (mRemoteBugreportServiceIsActive.get() 5982 || (getDeviceOwnerRemoteBugreportUri() != null)) { 5983 Slog.d(LOG_TAG, "Remote bugreport wasn't started because there's already one running."); 5984 return false; 5985 } 5986 5987 final long currentTime = System.currentTimeMillis(); 5988 synchronized (this) { 5989 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 5990 if (currentTime > policyData.mLastBugReportRequestTime) { 5991 policyData.mLastBugReportRequestTime = currentTime; 5992 saveSettingsLocked(UserHandle.USER_SYSTEM); 5993 } 5994 } 5995 5996 final long callingIdentity = mInjector.binderClearCallingIdentity(); 5997 try { 5998 mInjector.getIActivityManager().requestBugReport( 5999 ActivityManager.BUGREPORT_OPTION_REMOTE); 6000 6001 mRemoteBugreportServiceIsActive.set(true); 6002 mRemoteBugreportSharingAccepted.set(false); 6003 registerRemoteBugreportReceivers(); 6004 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, 6005 RemoteBugreportUtils.NOTIFICATION_ID, 6006 RemoteBugreportUtils.buildNotification(mContext, 6007 DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL); 6008 mHandler.postDelayed(mRemoteBugreportTimeoutRunnable, 6009 RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS); 6010 return true; 6011 } catch (RemoteException re) { 6012 // should never happen 6013 Slog.e(LOG_TAG, "Failed to make remote calls to start bugreportremote service", re); 6014 return false; 6015 } finally { 6016 mInjector.binderRestoreCallingIdentity(callingIdentity); 6017 } 6018 } 6019 6020 synchronized void sendDeviceOwnerCommand(String action, Bundle extras) { 6021 Intent intent = new Intent(action); 6022 intent.setComponent(mOwners.getDeviceOwnerComponent()); 6023 if (extras != null) { 6024 intent.putExtras(extras); 6025 } 6026 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 6027 } 6028 6029 private synchronized String getDeviceOwnerRemoteBugreportUri() { 6030 return mOwners.getDeviceOwnerRemoteBugreportUri(); 6031 } 6032 6033 private synchronized void setDeviceOwnerRemoteBugreportUriAndHash(String bugreportUri, 6034 String bugreportHash) { 6035 mOwners.setDeviceOwnerRemoteBugreportUriAndHash(bugreportUri, bugreportHash); 6036 } 6037 6038 private void registerRemoteBugreportReceivers() { 6039 try { 6040 IntentFilter filterFinished = new IntentFilter( 6041 DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH, 6042 RemoteBugreportUtils.BUGREPORT_MIMETYPE); 6043 mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished); 6044 } catch (IntentFilter.MalformedMimeTypeException e) { 6045 // should never happen, as setting a constant 6046 Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e); 6047 } 6048 IntentFilter filterConsent = new IntentFilter(); 6049 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED); 6050 filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED); 6051 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent); 6052 } 6053 6054 private void onBugreportFinished(Intent intent) { 6055 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 6056 mRemoteBugreportServiceIsActive.set(false); 6057 Uri bugreportUri = intent.getData(); 6058 String bugreportUriString = null; 6059 if (bugreportUri != null) { 6060 bugreportUriString = bugreportUri.toString(); 6061 } 6062 String bugreportHash = intent.getStringExtra( 6063 DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH); 6064 if (mRemoteBugreportSharingAccepted.get()) { 6065 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 6066 mInjector.getNotificationManager().cancel(LOG_TAG, 6067 RemoteBugreportUtils.NOTIFICATION_ID); 6068 } else { 6069 setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash); 6070 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 6071 RemoteBugreportUtils.buildNotification(mContext, 6072 DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED), 6073 UserHandle.ALL); 6074 } 6075 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6076 } 6077 6078 private void onBugreportFailed() { 6079 mRemoteBugreportServiceIsActive.set(false); 6080 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 6081 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 6082 mRemoteBugreportSharingAccepted.set(false); 6083 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6084 mInjector.getNotificationManager().cancel(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID); 6085 Bundle extras = new Bundle(); 6086 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 6087 DeviceAdminReceiver.BUGREPORT_FAILURE_FAILED_COMPLETING); 6088 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 6089 mContext.unregisterReceiver(mRemoteBugreportConsentReceiver); 6090 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6091 } 6092 6093 private void onBugreportSharingAccepted() { 6094 mRemoteBugreportSharingAccepted.set(true); 6095 String bugreportUriString = null; 6096 String bugreportHash = null; 6097 synchronized (this) { 6098 bugreportUriString = getDeviceOwnerRemoteBugreportUri(); 6099 bugreportHash = mOwners.getDeviceOwnerRemoteBugreportHash(); 6100 } 6101 if (bugreportUriString != null) { 6102 shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash); 6103 } else if (mRemoteBugreportServiceIsActive.get()) { 6104 mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID, 6105 RemoteBugreportUtils.buildNotification(mContext, 6106 DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED), 6107 UserHandle.ALL); 6108 } 6109 } 6110 6111 private void onBugreportSharingDeclined() { 6112 if (mRemoteBugreportServiceIsActive.get()) { 6113 mInjector.systemPropertiesSet(RemoteBugreportUtils.CTL_STOP, 6114 RemoteBugreportUtils.REMOTE_BUGREPORT_SERVICE); 6115 mRemoteBugreportServiceIsActive.set(false); 6116 mHandler.removeCallbacks(mRemoteBugreportTimeoutRunnable); 6117 mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver); 6118 } 6119 mRemoteBugreportSharingAccepted.set(false); 6120 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6121 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_SHARING_DECLINED, null); 6122 } 6123 6124 private void shareBugreportWithDeviceOwnerIfExists(String bugreportUriString, 6125 String bugreportHash) { 6126 ParcelFileDescriptor pfd = null; 6127 try { 6128 if (bugreportUriString == null) { 6129 throw new FileNotFoundException(); 6130 } 6131 Uri bugreportUri = Uri.parse(bugreportUriString); 6132 pfd = mContext.getContentResolver().openFileDescriptor(bugreportUri, "r"); 6133 6134 synchronized (this) { 6135 Intent intent = new Intent(DeviceAdminReceiver.ACTION_BUGREPORT_SHARE); 6136 intent.setComponent(mOwners.getDeviceOwnerComponent()); 6137 intent.setDataAndType(bugreportUri, RemoteBugreportUtils.BUGREPORT_MIMETYPE); 6138 intent.putExtra(DeviceAdminReceiver.EXTRA_BUGREPORT_HASH, bugreportHash); 6139 mContext.grantUriPermission(mOwners.getDeviceOwnerComponent().getPackageName(), 6140 bugreportUri, Intent.FLAG_GRANT_READ_URI_PERMISSION); 6141 mContext.sendBroadcastAsUser(intent, UserHandle.of(mOwners.getDeviceOwnerUserId())); 6142 } 6143 } catch (FileNotFoundException e) { 6144 Bundle extras = new Bundle(); 6145 extras.putInt(DeviceAdminReceiver.EXTRA_BUGREPORT_FAILURE_REASON, 6146 DeviceAdminReceiver.BUGREPORT_FAILURE_FILE_NO_LONGER_AVAILABLE); 6147 sendDeviceOwnerCommand(DeviceAdminReceiver.ACTION_BUGREPORT_FAILED, extras); 6148 } finally { 6149 try { 6150 if (pfd != null) { 6151 pfd.close(); 6152 } 6153 } catch (IOException ex) { 6154 // Ignore 6155 } 6156 mRemoteBugreportSharingAccepted.set(false); 6157 setDeviceOwnerRemoteBugreportUriAndHash(null, null); 6158 } 6159 } 6160 6161 /** 6162 * Disables all device cameras according to the specified admin. 6163 */ 6164 @Override 6165 public void setCameraDisabled(ComponentName who, boolean disabled) { 6166 if (!mHasFeature) { 6167 return; 6168 } 6169 Preconditions.checkNotNull(who, "ComponentName is null"); 6170 final int userHandle = mInjector.userHandleGetCallingUserId(); 6171 synchronized (this) { 6172 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 6173 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 6174 if (ap.disableCamera != disabled) { 6175 ap.disableCamera = disabled; 6176 saveSettingsLocked(userHandle); 6177 } 6178 } 6179 // Tell the user manager that the restrictions have changed. 6180 pushUserRestrictions(userHandle); 6181 } 6182 6183 /** 6184 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 6185 * active admins. 6186 */ 6187 @Override 6188 public boolean getCameraDisabled(ComponentName who, int userHandle) { 6189 return getCameraDisabled(who, userHandle, /* mergeDeviceOwnerRestriction= */ true); 6190 } 6191 6192 private boolean getCameraDisabled(ComponentName who, int userHandle, 6193 boolean mergeDeviceOwnerRestriction) { 6194 if (!mHasFeature) { 6195 return false; 6196 } 6197 synchronized (this) { 6198 if (who != null) { 6199 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 6200 return (admin != null) ? admin.disableCamera : false; 6201 } 6202 // First, see if DO has set it. If so, it's device-wide. 6203 if (mergeDeviceOwnerRestriction) { 6204 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6205 if (deviceOwner != null && deviceOwner.disableCamera) { 6206 return true; 6207 } 6208 } 6209 6210 // Then check each device admin on the user. 6211 DevicePolicyData policy = getUserData(userHandle); 6212 // Determine whether or not the device camera is disabled for any active admins. 6213 final int N = policy.mAdminList.size(); 6214 for (int i = 0; i < N; i++) { 6215 ActiveAdmin admin = policy.mAdminList.get(i); 6216 if (admin.disableCamera) { 6217 return true; 6218 } 6219 } 6220 return false; 6221 } 6222 } 6223 6224 @Override 6225 public void setKeyguardDisabledFeatures(ComponentName who, int which, boolean parent) { 6226 if (!mHasFeature) { 6227 return; 6228 } 6229 Preconditions.checkNotNull(who, "ComponentName is null"); 6230 final int userHandle = mInjector.userHandleGetCallingUserId(); 6231 if (isManagedProfile(userHandle)) { 6232 if (parent) { 6233 which = which & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER; 6234 } else { 6235 which = which & PROFILE_KEYGUARD_FEATURES; 6236 } 6237 } 6238 synchronized (this) { 6239 ActiveAdmin ap = getActiveAdminForCallerLocked( 6240 who, DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 6241 if (ap.disabledKeyguardFeatures != which) { 6242 ap.disabledKeyguardFeatures = which; 6243 saveSettingsLocked(userHandle); 6244 } 6245 } 6246 } 6247 6248 /** 6249 * Gets the disabled state for features in keyguard for the given admin, 6250 * or the aggregate of all active admins if who is null. 6251 */ 6252 @Override 6253 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle, boolean parent) { 6254 if (!mHasFeature) { 6255 return 0; 6256 } 6257 enforceFullCrossUsersPermission(userHandle); 6258 final long ident = mInjector.binderClearCallingIdentity(); 6259 try { 6260 synchronized (this) { 6261 if (who != null) { 6262 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent); 6263 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 6264 } 6265 6266 final List<ActiveAdmin> admins; 6267 if (!parent && isManagedProfile(userHandle)) { 6268 // If we are being asked about a managed profile, just return keyguard features 6269 // disabled by admins in the profile. 6270 admins = getUserDataUnchecked(userHandle).mAdminList; 6271 } else { 6272 // Otherwise return those set by admins in the user and its profiles. 6273 admins = getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 6274 } 6275 6276 int which = DevicePolicyManager.KEYGUARD_DISABLE_FEATURES_NONE; 6277 final int N = admins.size(); 6278 for (int i = 0; i < N; i++) { 6279 ActiveAdmin admin = admins.get(i); 6280 int userId = admin.getUserHandle().getIdentifier(); 6281 boolean isRequestedUser = !parent && (userId == userHandle); 6282 if (isRequestedUser || !isManagedProfile(userId)) { 6283 // If we are being asked explicitly about this user 6284 // return all disabled features even if its a managed profile. 6285 which |= admin.disabledKeyguardFeatures; 6286 } else { 6287 // Otherwise a managed profile is only allowed to disable 6288 // some features on the parent user. 6289 which |= (admin.disabledKeyguardFeatures 6290 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 6291 } 6292 } 6293 return which; 6294 } 6295 } finally { 6296 mInjector.binderRestoreCallingIdentity(ident); 6297 } 6298 } 6299 6300 @Override 6301 public void setKeepUninstalledPackages(ComponentName who, List<String> packageList) { 6302 if (!mHasFeature) { 6303 return; 6304 } 6305 Preconditions.checkNotNull(who, "ComponentName is null"); 6306 Preconditions.checkNotNull(packageList, "packageList is null"); 6307 final int userHandle = UserHandle.getCallingUserId(); 6308 synchronized (this) { 6309 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 6310 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6311 admin.keepUninstalledPackages = packageList; 6312 saveSettingsLocked(userHandle); 6313 mInjector.getPackageManagerInternal().setKeepUninstalledPackages(packageList); 6314 } 6315 } 6316 6317 @Override 6318 public List<String> getKeepUninstalledPackages(ComponentName who) { 6319 Preconditions.checkNotNull(who, "ComponentName is null"); 6320 if (!mHasFeature) { 6321 return null; 6322 } 6323 // TODO In split system user mode, allow apps on user 0 to query the list 6324 synchronized (this) { 6325 // Check if this is the device owner who is calling 6326 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6327 return getKeepUninstalledPackagesLocked(); 6328 } 6329 } 6330 6331 private List<String> getKeepUninstalledPackagesLocked() { 6332 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 6333 return (deviceOwner != null) ? deviceOwner.keepUninstalledPackages : null; 6334 } 6335 6336 @Override 6337 public boolean setDeviceOwner(ComponentName admin, String ownerName, int userId) { 6338 if (!mHasFeature) { 6339 return false; 6340 } 6341 if (admin == null 6342 || !isPackageInstalledForUser(admin.getPackageName(), userId)) { 6343 throw new IllegalArgumentException("Invalid component " + admin 6344 + " for device owner"); 6345 } 6346 final boolean hasIncompatibleAccountsOrNonAdb = 6347 hasIncompatibleAccountsOrNonAdbNoLock(userId, admin); 6348 synchronized (this) { 6349 enforceCanSetDeviceOwnerLocked(admin, userId, hasIncompatibleAccountsOrNonAdb); 6350 final ActiveAdmin activeAdmin = getActiveAdminUncheckedLocked(admin, userId); 6351 if (activeAdmin == null 6352 || getUserData(userId).mRemovingAdmins.contains(admin)) { 6353 throw new IllegalArgumentException("Not active admin: " + admin); 6354 } 6355 6356 // Shutting down backup manager service permanently. 6357 long ident = mInjector.binderClearCallingIdentity(); 6358 try { 6359 if (mInjector.getIBackupManager() != null) { 6360 mInjector.getIBackupManager() 6361 .setBackupServiceActive(UserHandle.USER_SYSTEM, false); 6362 } 6363 } catch (RemoteException e) { 6364 throw new IllegalStateException("Failed deactivating backup service.", e); 6365 } finally { 6366 mInjector.binderRestoreCallingIdentity(ident); 6367 } 6368 6369 if (isAdb()) { 6370 // Log device owner provisioning was started using adb. 6371 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_DEVICE_OWNER); 6372 } 6373 6374 mOwners.setDeviceOwner(admin, ownerName, userId); 6375 mOwners.writeDeviceOwner(); 6376 updateDeviceOwnerLocked(); 6377 setDeviceOwnerSystemPropertyLocked(); 6378 6379 final Set<String> restrictions = 6380 UserRestrictionsUtils.getDefaultEnabledForDeviceOwner(); 6381 if (!restrictions.isEmpty()) { 6382 for (String restriction : restrictions) { 6383 activeAdmin.ensureUserRestrictions().putBoolean(restriction, true); 6384 } 6385 activeAdmin.defaultEnabledRestrictionsAlreadySet.addAll(restrictions); 6386 Slog.i(LOG_TAG, "Enabled the following restrictions by default: " + restrictions); 6387 6388 saveUserRestrictionsLocked(userId); 6389 } 6390 6391 ident = mInjector.binderClearCallingIdentity(); 6392 try { 6393 // TODO Send to system too? 6394 mContext.sendBroadcastAsUser( 6395 new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED) 6396 .addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND), 6397 UserHandle.of(userId)); 6398 } finally { 6399 mInjector.binderRestoreCallingIdentity(ident); 6400 } 6401 Slog.i(LOG_TAG, "Device owner set: " + admin + " on user " + userId); 6402 return true; 6403 } 6404 } 6405 6406 @Override 6407 public boolean hasDeviceOwner() { 6408 enforceDeviceOwnerOrManageUsers(); 6409 return mOwners.hasDeviceOwner(); 6410 } 6411 6412 boolean isDeviceOwner(ActiveAdmin admin) { 6413 return isDeviceOwner(admin.info.getComponent(), admin.getUserHandle().getIdentifier()); 6414 } 6415 6416 public boolean isDeviceOwner(ComponentName who, int userId) { 6417 synchronized (this) { 6418 return mOwners.hasDeviceOwner() 6419 && mOwners.getDeviceOwnerUserId() == userId 6420 && mOwners.getDeviceOwnerComponent().equals(who); 6421 } 6422 } 6423 6424 private boolean isDeviceOwnerPackage(String packageName, int userId) { 6425 synchronized (this) { 6426 return mOwners.hasDeviceOwner() 6427 && mOwners.getDeviceOwnerUserId() == userId 6428 && mOwners.getDeviceOwnerPackageName().equals(packageName); 6429 } 6430 } 6431 6432 private boolean isProfileOwnerPackage(String packageName, int userId) { 6433 synchronized (this) { 6434 return mOwners.hasProfileOwner(userId) 6435 && mOwners.getProfileOwnerPackage(userId).equals(packageName); 6436 } 6437 } 6438 6439 public boolean isProfileOwner(ComponentName who, int userId) { 6440 final ComponentName profileOwner = getProfileOwner(userId); 6441 return who != null && who.equals(profileOwner); 6442 } 6443 6444 @Override 6445 public ComponentName getDeviceOwnerComponent(boolean callingUserOnly) { 6446 if (!mHasFeature) { 6447 return null; 6448 } 6449 if (!callingUserOnly) { 6450 enforceManageUsers(); 6451 } 6452 synchronized (this) { 6453 if (!mOwners.hasDeviceOwner()) { 6454 return null; 6455 } 6456 if (callingUserOnly && mInjector.userHandleGetCallingUserId() != 6457 mOwners.getDeviceOwnerUserId()) { 6458 return null; 6459 } 6460 return mOwners.getDeviceOwnerComponent(); 6461 } 6462 } 6463 6464 @Override 6465 public int getDeviceOwnerUserId() { 6466 if (!mHasFeature) { 6467 return UserHandle.USER_NULL; 6468 } 6469 enforceManageUsers(); 6470 synchronized (this) { 6471 return mOwners.hasDeviceOwner() ? mOwners.getDeviceOwnerUserId() : UserHandle.USER_NULL; 6472 } 6473 } 6474 6475 /** 6476 * Returns the "name" of the device owner. It'll work for non-DO users too, but requires 6477 * MANAGE_USERS. 6478 */ 6479 @Override 6480 public String getDeviceOwnerName() { 6481 if (!mHasFeature) { 6482 return null; 6483 } 6484 enforceManageUsers(); 6485 synchronized (this) { 6486 if (!mOwners.hasDeviceOwner()) { 6487 return null; 6488 } 6489 // TODO This totally ignores the name passed to setDeviceOwner (change for b/20679292) 6490 // Should setDeviceOwner/ProfileOwner still take a name? 6491 String deviceOwnerPackage = mOwners.getDeviceOwnerPackageName(); 6492 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_SYSTEM); 6493 } 6494 } 6495 6496 /** Returns the active device owner or {@code null} if there is no device owner. */ 6497 @VisibleForTesting 6498 ActiveAdmin getDeviceOwnerAdminLocked() { 6499 ComponentName component = mOwners.getDeviceOwnerComponent(); 6500 if (component == null) { 6501 return null; 6502 } 6503 6504 DevicePolicyData policy = getUserData(mOwners.getDeviceOwnerUserId()); 6505 final int n = policy.mAdminList.size(); 6506 for (int i = 0; i < n; i++) { 6507 ActiveAdmin admin = policy.mAdminList.get(i); 6508 if (component.equals(admin.info.getComponent())) { 6509 return admin; 6510 } 6511 } 6512 Slog.wtf(LOG_TAG, "Active admin for device owner not found. component=" + component); 6513 return null; 6514 } 6515 6516 @Override 6517 public void clearDeviceOwner(String packageName) { 6518 Preconditions.checkNotNull(packageName, "packageName is null"); 6519 final int callingUid = mInjector.binderGetCallingUid(); 6520 try { 6521 int uid = mInjector.getPackageManager().getPackageUidAsUser(packageName, 6522 UserHandle.getUserId(callingUid)); 6523 if (uid != callingUid) { 6524 throw new SecurityException("Invalid packageName"); 6525 } 6526 } catch (NameNotFoundException e) { 6527 throw new SecurityException(e); 6528 } 6529 synchronized (this) { 6530 final ComponentName deviceOwnerComponent = mOwners.getDeviceOwnerComponent(); 6531 final int deviceOwnerUserId = mOwners.getDeviceOwnerUserId(); 6532 if (!mOwners.hasDeviceOwner() 6533 || !deviceOwnerComponent.getPackageName().equals(packageName) 6534 || (deviceOwnerUserId != UserHandle.getUserId(callingUid))) { 6535 throw new SecurityException( 6536 "clearDeviceOwner can only be called by the device owner"); 6537 } 6538 enforceUserUnlocked(deviceOwnerUserId); 6539 6540 final ActiveAdmin admin = getDeviceOwnerAdminLocked(); 6541 long ident = mInjector.binderClearCallingIdentity(); 6542 try { 6543 clearDeviceOwnerLocked(admin, deviceOwnerUserId); 6544 removeActiveAdminLocked(deviceOwnerComponent, deviceOwnerUserId); 6545 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 6546 intent.addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND); 6547 mContext.sendBroadcastAsUser(intent, UserHandle.of(deviceOwnerUserId)); 6548 } finally { 6549 mInjector.binderRestoreCallingIdentity(ident); 6550 } 6551 Slog.i(LOG_TAG, "Device owner removed: " + deviceOwnerComponent); 6552 } 6553 } 6554 6555 private void clearDeviceOwnerLocked(ActiveAdmin admin, int userId) { 6556 if (admin != null) { 6557 admin.disableCamera = false; 6558 admin.userRestrictions = null; 6559 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6560 admin.forceEphemeralUsers = false; 6561 admin.isNetworkLoggingEnabled = false; 6562 mUserManagerInternal.setForceEphemeralUsers(admin.forceEphemeralUsers); 6563 final DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 6564 policyData.mLastSecurityLogRetrievalTime = -1; 6565 policyData.mLastBugReportRequestTime = -1; 6566 policyData.mLastNetworkLogsRetrievalTime = -1; 6567 saveSettingsLocked(UserHandle.USER_SYSTEM); 6568 } 6569 clearUserPoliciesLocked(userId); 6570 6571 mOwners.clearDeviceOwner(); 6572 mOwners.writeDeviceOwner(); 6573 updateDeviceOwnerLocked(); 6574 6575 mInjector.securityLogSetLoggingEnabledProperty(false); 6576 mSecurityLogMonitor.stop(); 6577 setNetworkLoggingActiveInternal(false); 6578 6579 try { 6580 if (mInjector.getIBackupManager() != null) { 6581 // Reactivate backup service. 6582 mInjector.getIBackupManager().setBackupServiceActive(UserHandle.USER_SYSTEM, true); 6583 } 6584 } catch (RemoteException e) { 6585 throw new IllegalStateException("Failed reactivating backup service.", e); 6586 } 6587 } 6588 6589 @Override 6590 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 6591 if (!mHasFeature) { 6592 return false; 6593 } 6594 if (who == null 6595 || !isPackageInstalledForUser(who.getPackageName(), userHandle)) { 6596 throw new IllegalArgumentException("Component " + who 6597 + " not installed for userId:" + userHandle); 6598 } 6599 final boolean hasIncompatibleAccountsOrNonAdb = 6600 hasIncompatibleAccountsOrNonAdbNoLock(userHandle, who); 6601 synchronized (this) { 6602 enforceCanSetProfileOwnerLocked(who, userHandle, hasIncompatibleAccountsOrNonAdb); 6603 6604 if (getActiveAdminUncheckedLocked(who, userHandle) == null 6605 || getUserData(userHandle).mRemovingAdmins.contains(who)) { 6606 throw new IllegalArgumentException("Not active admin: " + who); 6607 } 6608 6609 if (isAdb()) { 6610 // Log profile owner provisioning was started using adb. 6611 MetricsLogger.action(mContext, PROVISIONING_ENTRY_POINT_ADB, LOG_TAG_PROFILE_OWNER); 6612 } 6613 6614 mOwners.setProfileOwner(who, ownerName, userHandle); 6615 mOwners.writeProfileOwner(userHandle); 6616 Slog.i(LOG_TAG, "Profile owner set: " + who + " on user " + userHandle); 6617 6618 return true; 6619 } 6620 } 6621 6622 @Override 6623 public void clearProfileOwner(ComponentName who) { 6624 if (!mHasFeature) { 6625 return; 6626 } 6627 final UserHandle callingUser = mInjector.binderGetCallingUserHandle(); 6628 final int userId = callingUser.getIdentifier(); 6629 enforceNotManagedProfile(userId, "clear profile owner"); 6630 enforceUserUnlocked(userId); 6631 // Check if this is the profile owner who is calling 6632 final ActiveAdmin admin = 6633 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6634 synchronized (this) { 6635 final long ident = mInjector.binderClearCallingIdentity(); 6636 try { 6637 clearProfileOwnerLocked(admin, userId); 6638 removeActiveAdminLocked(who, userId); 6639 } finally { 6640 mInjector.binderRestoreCallingIdentity(ident); 6641 } 6642 Slog.i(LOG_TAG, "Profile owner " + who + " removed from user " + userId); 6643 } 6644 } 6645 6646 public void clearProfileOwnerLocked(ActiveAdmin admin, int userId) { 6647 if (admin != null) { 6648 admin.disableCamera = false; 6649 admin.userRestrictions = null; 6650 admin.defaultEnabledRestrictionsAlreadySet.clear(); 6651 } 6652 clearUserPoliciesLocked(userId); 6653 mOwners.removeProfileOwner(userId); 6654 mOwners.writeProfileOwner(userId); 6655 } 6656 6657 @Override 6658 public void setDeviceOwnerLockScreenInfo(ComponentName who, CharSequence info) { 6659 Preconditions.checkNotNull(who, "ComponentName is null"); 6660 if (!mHasFeature) { 6661 return; 6662 } 6663 6664 synchronized (this) { 6665 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6666 long token = mInjector.binderClearCallingIdentity(); 6667 try { 6668 mLockPatternUtils.setDeviceOwnerInfo(info != null ? info.toString() : null); 6669 } finally { 6670 mInjector.binderRestoreCallingIdentity(token); 6671 } 6672 } 6673 } 6674 6675 @Override 6676 public CharSequence getDeviceOwnerLockScreenInfo() { 6677 return mLockPatternUtils.getDeviceOwnerInfo(); 6678 } 6679 6680 private void clearUserPoliciesLocked(int userId) { 6681 // Reset some of the user-specific policies. 6682 final DevicePolicyData policy = getUserData(userId); 6683 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 6684 // Clear delegations. 6685 policy.mDelegationMap.clear(); 6686 policy.mStatusBarDisabled = false; 6687 policy.mUserProvisioningState = DevicePolicyManager.STATE_USER_UNMANAGED; 6688 saveSettingsLocked(userId); 6689 6690 try { 6691 mIPackageManager.updatePermissionFlagsForAllApps( 6692 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6693 0 /* flagValues */, userId); 6694 pushUserRestrictions(userId); 6695 } catch (RemoteException re) { 6696 // Shouldn't happen. 6697 } 6698 } 6699 6700 @Override 6701 public boolean hasUserSetupCompleted() { 6702 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 6703 } 6704 6705 // This checks only if the Setup Wizard has run. Since Wear devices pair before 6706 // completing Setup Wizard, and pairing involves transferring user data, calling 6707 // logic may want to check mIsWatch or mPaired in addition to hasUserSetupCompleted(). 6708 private boolean hasUserSetupCompleted(int userHandle) { 6709 if (!mHasFeature) { 6710 return true; 6711 } 6712 return getUserData(userHandle).mUserSetupComplete; 6713 } 6714 6715 private boolean hasPaired(int userHandle) { 6716 if (!mHasFeature) { 6717 return true; 6718 } 6719 return getUserData(userHandle).mPaired; 6720 } 6721 6722 @Override 6723 public int getUserProvisioningState() { 6724 if (!mHasFeature) { 6725 return DevicePolicyManager.STATE_USER_UNMANAGED; 6726 } 6727 int userHandle = mInjector.userHandleGetCallingUserId(); 6728 return getUserProvisioningState(userHandle); 6729 } 6730 6731 private int getUserProvisioningState(int userHandle) { 6732 return getUserData(userHandle).mUserProvisioningState; 6733 } 6734 6735 @Override 6736 public void setUserProvisioningState(int newState, int userHandle) { 6737 if (!mHasFeature) { 6738 return; 6739 } 6740 6741 if (userHandle != mOwners.getDeviceOwnerUserId() && !mOwners.hasProfileOwner(userHandle) 6742 && getManagedUserId(userHandle) == -1) { 6743 // No managed device, user or profile, so setting provisioning state makes no sense. 6744 throw new IllegalStateException("Not allowed to change provisioning state unless a " 6745 + "device or profile owner is set."); 6746 } 6747 6748 synchronized (this) { 6749 boolean transitionCheckNeeded = true; 6750 6751 // Calling identity/permission checks. 6752 if (isAdb()) { 6753 // ADB shell can only move directly from un-managed to finalized as part of directly 6754 // setting profile-owner or device-owner. 6755 if (getUserProvisioningState(userHandle) != 6756 DevicePolicyManager.STATE_USER_UNMANAGED 6757 || newState != DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6758 throw new IllegalStateException("Not allowed to change provisioning state " 6759 + "unless current provisioning state is unmanaged, and new state is " 6760 + "finalized."); 6761 } 6762 transitionCheckNeeded = false; 6763 } else { 6764 // For all other cases, caller must have MANAGE_PROFILE_AND_DEVICE_OWNERS. 6765 enforceCanManageProfileAndDeviceOwners(); 6766 } 6767 6768 final DevicePolicyData policyData = getUserData(userHandle); 6769 if (transitionCheckNeeded) { 6770 // Optional state transition check for non-ADB case. 6771 checkUserProvisioningStateTransition(policyData.mUserProvisioningState, newState); 6772 } 6773 policyData.mUserProvisioningState = newState; 6774 saveSettingsLocked(userHandle); 6775 } 6776 } 6777 6778 private void checkUserProvisioningStateTransition(int currentState, int newState) { 6779 // Valid transitions for normal use-cases. 6780 switch (currentState) { 6781 case DevicePolicyManager.STATE_USER_UNMANAGED: 6782 // Can move to any state from unmanaged (except itself as an edge case).. 6783 if (newState != DevicePolicyManager.STATE_USER_UNMANAGED) { 6784 return; 6785 } 6786 break; 6787 case DevicePolicyManager.STATE_USER_SETUP_INCOMPLETE: 6788 case DevicePolicyManager.STATE_USER_SETUP_COMPLETE: 6789 // Can only move to finalized from these states. 6790 if (newState == DevicePolicyManager.STATE_USER_SETUP_FINALIZED) { 6791 return; 6792 } 6793 break; 6794 case DevicePolicyManager.STATE_USER_PROFILE_COMPLETE: 6795 // Current user has a managed-profile, but current user is not managed, so 6796 // rather than moving to finalized state, go back to unmanaged once 6797 // profile provisioning is complete. 6798 if (newState == DevicePolicyManager.STATE_USER_UNMANAGED) { 6799 return; 6800 } 6801 break; 6802 case DevicePolicyManager.STATE_USER_SETUP_FINALIZED: 6803 // Cannot transition out of finalized. 6804 break; 6805 } 6806 6807 // Didn't meet any of the accepted state transition checks above, throw appropriate error. 6808 throw new IllegalStateException("Cannot move to user provisioning state [" + newState + "] " 6809 + "from state [" + currentState + "]"); 6810 } 6811 6812 @Override 6813 public void setProfileEnabled(ComponentName who) { 6814 if (!mHasFeature) { 6815 return; 6816 } 6817 Preconditions.checkNotNull(who, "ComponentName is null"); 6818 synchronized (this) { 6819 // Check if this is the profile owner who is calling 6820 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6821 final int userId = UserHandle.getCallingUserId(); 6822 enforceManagedProfile(userId, "enable the profile"); 6823 // Check if the profile is already enabled. 6824 UserInfo managedProfile = getUserInfo(userId); 6825 if (managedProfile.isEnabled()) { 6826 Slog.e(LOG_TAG, 6827 "setProfileEnabled is called when the profile is already enabled"); 6828 return; 6829 } 6830 long id = mInjector.binderClearCallingIdentity(); 6831 try { 6832 mUserManager.setUserEnabled(userId); 6833 UserInfo parent = mUserManager.getProfileParent(userId); 6834 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 6835 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userId)); 6836 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 6837 Intent.FLAG_RECEIVER_FOREGROUND); 6838 mContext.sendBroadcastAsUser(intent, new UserHandle(parent.id)); 6839 } finally { 6840 mInjector.binderRestoreCallingIdentity(id); 6841 } 6842 } 6843 } 6844 6845 @Override 6846 public void setProfileName(ComponentName who, String profileName) { 6847 Preconditions.checkNotNull(who, "ComponentName is null"); 6848 int userId = UserHandle.getCallingUserId(); 6849 // Check if this is the profile owner (includes device owner). 6850 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6851 6852 long id = mInjector.binderClearCallingIdentity(); 6853 try { 6854 mUserManager.setUserName(userId, profileName); 6855 } finally { 6856 mInjector.binderRestoreCallingIdentity(id); 6857 } 6858 } 6859 6860 @Override 6861 public ComponentName getProfileOwner(int userHandle) { 6862 if (!mHasFeature) { 6863 return null; 6864 } 6865 6866 synchronized (this) { 6867 return mOwners.getProfileOwnerComponent(userHandle); 6868 } 6869 } 6870 6871 // Returns the active profile owner for this user or null if the current user has no 6872 // profile owner. 6873 @VisibleForTesting 6874 ActiveAdmin getProfileOwnerAdminLocked(int userHandle) { 6875 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userHandle); 6876 if (profileOwner == null) { 6877 return null; 6878 } 6879 DevicePolicyData policy = getUserData(userHandle); 6880 final int n = policy.mAdminList.size(); 6881 for (int i = 0; i < n; i++) { 6882 ActiveAdmin admin = policy.mAdminList.get(i); 6883 if (profileOwner.equals(admin.info.getComponent())) { 6884 return admin; 6885 } 6886 } 6887 return null; 6888 } 6889 6890 @Override 6891 public String getProfileOwnerName(int userHandle) { 6892 if (!mHasFeature) { 6893 return null; 6894 } 6895 enforceManageUsers(); 6896 ComponentName profileOwner = getProfileOwner(userHandle); 6897 if (profileOwner == null) { 6898 return null; 6899 } 6900 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 6901 } 6902 6903 /** 6904 * Canonical name for a given package. 6905 */ 6906 private String getApplicationLabel(String packageName, int userHandle) { 6907 long token = mInjector.binderClearCallingIdentity(); 6908 try { 6909 final Context userContext; 6910 try { 6911 UserHandle handle = new UserHandle(userHandle); 6912 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 6913 } catch (PackageManager.NameNotFoundException nnfe) { 6914 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 6915 return null; 6916 } 6917 ApplicationInfo appInfo = userContext.getApplicationInfo(); 6918 CharSequence result = null; 6919 if (appInfo != null) { 6920 PackageManager pm = userContext.getPackageManager(); 6921 result = pm.getApplicationLabel(appInfo); 6922 } 6923 return result != null ? result.toString() : null; 6924 } finally { 6925 mInjector.binderRestoreCallingIdentity(token); 6926 } 6927 } 6928 6929 /** 6930 * Calls wtfStack() if called with the DPMS lock held. 6931 */ 6932 private void wtfIfInLock() { 6933 if (Thread.holdsLock(this)) { 6934 Slog.wtfStack(LOG_TAG, "Shouldn't be called with DPMS lock held"); 6935 } 6936 } 6937 6938 /** 6939 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6940 * permission. 6941 * The profile owner can only be set before the user setup phase has completed, 6942 * except for: 6943 * - SYSTEM_UID 6944 * - adb unless hasIncompatibleAccountsOrNonAdb is true. 6945 */ 6946 private void enforceCanSetProfileOwnerLocked(@Nullable ComponentName owner, int userHandle, 6947 boolean hasIncompatibleAccountsOrNonAdb) { 6948 UserInfo info = getUserInfo(userHandle); 6949 if (info == null) { 6950 // User doesn't exist. 6951 throw new IllegalArgumentException( 6952 "Attempted to set profile owner for invalid userId: " + userHandle); 6953 } 6954 if (info.isGuest()) { 6955 throw new IllegalStateException("Cannot set a profile owner on a guest"); 6956 } 6957 if (mOwners.hasProfileOwner(userHandle)) { 6958 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 6959 + "is already set."); 6960 } 6961 if (mOwners.hasDeviceOwner() && mOwners.getDeviceOwnerUserId() == userHandle) { 6962 throw new IllegalStateException("Trying to set the profile owner, but the user " 6963 + "already has a device owner."); 6964 } 6965 if (isAdb()) { 6966 if ((mIsWatch || hasUserSetupCompleted(userHandle)) 6967 && hasIncompatibleAccountsOrNonAdb) { 6968 throw new IllegalStateException("Not allowed to set the profile owner because " 6969 + "there are already some accounts on the profile"); 6970 } 6971 return; 6972 } 6973 enforceCanManageProfileAndDeviceOwners(); 6974 if ((mIsWatch || hasUserSetupCompleted(userHandle)) && !isCallerWithSystemUid()) { 6975 throw new IllegalStateException("Cannot set the profile owner on a user which is " 6976 + "already set-up"); 6977 } 6978 } 6979 6980 /** 6981 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 6982 * permission. 6983 */ 6984 private void enforceCanSetDeviceOwnerLocked(@Nullable ComponentName owner, int userId, 6985 boolean hasIncompatibleAccountsOrNonAdb) { 6986 if (!isAdb()) { 6987 enforceCanManageProfileAndDeviceOwners(); 6988 } 6989 6990 final int code = checkDeviceOwnerProvisioningPreConditionLocked( 6991 owner, userId, isAdb(), hasIncompatibleAccountsOrNonAdb); 6992 switch (code) { 6993 case CODE_OK: 6994 return; 6995 case CODE_HAS_DEVICE_OWNER: 6996 throw new IllegalStateException( 6997 "Trying to set the device owner, but device owner is already set."); 6998 case CODE_USER_HAS_PROFILE_OWNER: 6999 throw new IllegalStateException("Trying to set the device owner, but the user " 7000 + "already has a profile owner."); 7001 case CODE_USER_NOT_RUNNING: 7002 throw new IllegalStateException("User not running: " + userId); 7003 case CODE_NOT_SYSTEM_USER: 7004 throw new IllegalStateException("User is not system user"); 7005 case CODE_USER_SETUP_COMPLETED: 7006 throw new IllegalStateException( 7007 "Cannot set the device owner if the device is already set-up"); 7008 case CODE_NONSYSTEM_USER_EXISTS: 7009 throw new IllegalStateException("Not allowed to set the device owner because there " 7010 + "are already several users on the device"); 7011 case CODE_ACCOUNTS_NOT_EMPTY: 7012 throw new IllegalStateException("Not allowed to set the device owner because there " 7013 + "are already some accounts on the device"); 7014 case CODE_HAS_PAIRED: 7015 throw new IllegalStateException("Not allowed to set the device owner because this " 7016 + "device has already paired"); 7017 default: 7018 throw new IllegalStateException("Unexpected @ProvisioningPreCondition " + code); 7019 } 7020 } 7021 7022 private void enforceUserUnlocked(int userId) { 7023 // Since we're doing this operation on behalf of an app, we only 7024 // want to use the actual "unlocked" state. 7025 Preconditions.checkState(mUserManager.isUserUnlocked(userId), 7026 "User must be running and unlocked"); 7027 } 7028 7029 private void enforceUserUnlocked(@UserIdInt int userId, boolean parent) { 7030 if (parent) { 7031 enforceUserUnlocked(getProfileParentId(userId)); 7032 } else { 7033 enforceUserUnlocked(userId); 7034 } 7035 } 7036 7037 private void enforceManageUsers() { 7038 final int callingUid = mInjector.binderGetCallingUid(); 7039 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 7040 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7041 } 7042 } 7043 7044 private void enforceFullCrossUsersPermission(int userHandle) { 7045 enforceSystemUserOrPermission(userHandle, 7046 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL); 7047 } 7048 7049 private void enforceCrossUsersPermission(int userHandle) { 7050 enforceSystemUserOrPermission(userHandle, 7051 android.Manifest.permission.INTERACT_ACROSS_USERS); 7052 } 7053 7054 private void enforceSystemUserOrPermission(int userHandle, String permission) { 7055 if (userHandle < 0) { 7056 throw new IllegalArgumentException("Invalid userId " + userHandle); 7057 } 7058 final int callingUid = mInjector.binderGetCallingUid(); 7059 if (userHandle == UserHandle.getUserId(callingUid)) { 7060 return; 7061 } 7062 if (!(isCallerWithSystemUid() || callingUid == Process.ROOT_UID)) { 7063 mContext.enforceCallingOrSelfPermission(permission, 7064 "Must be system or have " + permission + " permission"); 7065 } 7066 } 7067 7068 private void enforceManagedProfile(int userHandle, String message) { 7069 if(!isManagedProfile(userHandle)) { 7070 throw new SecurityException("You can not " + message + " outside a managed profile."); 7071 } 7072 } 7073 7074 private void enforceNotManagedProfile(int userHandle, String message) { 7075 if(isManagedProfile(userHandle)) { 7076 throw new SecurityException("You can not " + message + " for a managed profile."); 7077 } 7078 } 7079 7080 private void enforceDeviceOwnerOrManageUsers() { 7081 synchronized (this) { 7082 if (getActiveAdminWithPolicyForUidLocked(null, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER, 7083 mInjector.binderGetCallingUid()) != null) { 7084 return; 7085 } 7086 } 7087 enforceManageUsers(); 7088 } 7089 7090 private void enforceProfileOwnerOrSystemUser(ComponentName admin) { 7091 synchronized (this) { 7092 if (getActiveAdminWithPolicyForUidLocked(admin, 7093 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, mInjector.binderGetCallingUid()) 7094 != null) { 7095 return; 7096 } 7097 } 7098 Preconditions.checkState(isCallerWithSystemUid(), 7099 "Only profile owner, device owner and system may call this method."); 7100 } 7101 7102 private void ensureCallerPackage(@Nullable String packageName) { 7103 if (packageName == null) { 7104 Preconditions.checkState(isCallerWithSystemUid(), 7105 "Only caller can omit package name"); 7106 } else { 7107 final int callingUid = mInjector.binderGetCallingUid(); 7108 final int userId = mInjector.userHandleGetCallingUserId(); 7109 try { 7110 final ApplicationInfo ai = mIPackageManager.getApplicationInfo( 7111 packageName, 0, userId); 7112 Preconditions.checkState(ai.uid == callingUid, "Unmatching package name"); 7113 } catch (RemoteException e) { 7114 // Shouldn't happen 7115 } 7116 } 7117 } 7118 7119 private boolean isCallerWithSystemUid() { 7120 return UserHandle.isSameApp(mInjector.binderGetCallingUid(), Process.SYSTEM_UID); 7121 } 7122 7123 private int getProfileParentId(int userHandle) { 7124 final long ident = mInjector.binderClearCallingIdentity(); 7125 try { 7126 UserInfo parentUser = mUserManager.getProfileParent(userHandle); 7127 return parentUser != null ? parentUser.id : userHandle; 7128 } finally { 7129 mInjector.binderRestoreCallingIdentity(ident); 7130 } 7131 } 7132 7133 private int getCredentialOwner(int userHandle, boolean parent) { 7134 final long ident = mInjector.binderClearCallingIdentity(); 7135 try { 7136 if (parent) { 7137 UserInfo parentProfile = mUserManager.getProfileParent(userHandle); 7138 if (parentProfile != null) { 7139 userHandle = parentProfile.id; 7140 } 7141 } 7142 return mUserManager.getCredentialOwnerProfile(userHandle); 7143 } finally { 7144 mInjector.binderRestoreCallingIdentity(ident); 7145 } 7146 } 7147 7148 private boolean isManagedProfile(int userHandle) { 7149 final UserInfo user = getUserInfo(userHandle); 7150 return user != null && user.isManagedProfile(); 7151 } 7152 7153 private void enableIfNecessary(String packageName, int userId) { 7154 try { 7155 ApplicationInfo ai = mIPackageManager.getApplicationInfo(packageName, 7156 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 7157 userId); 7158 if (ai.enabledSetting 7159 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 7160 mIPackageManager.setApplicationEnabledSetting(packageName, 7161 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 7162 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 7163 } 7164 } catch (RemoteException e) { 7165 } 7166 } 7167 7168 @Override 7169 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 7170 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 7171 != PackageManager.PERMISSION_GRANTED) { 7172 7173 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 7174 + mInjector.binderGetCallingPid() 7175 + ", uid=" + mInjector.binderGetCallingUid()); 7176 return; 7177 } 7178 7179 synchronized (this) { 7180 pw.println("Current Device Policy Manager state:"); 7181 mOwners.dump(" ", pw); 7182 int userCount = mUserData.size(); 7183 for (int u = 0; u < userCount; u++) { 7184 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 7185 pw.println(); 7186 pw.println(" Enabled Device Admins (User " + policy.mUserHandle 7187 + ", provisioningState: " + policy.mUserProvisioningState + "):"); 7188 final int N = policy.mAdminList.size(); 7189 for (int i=0; i<N; i++) { 7190 ActiveAdmin ap = policy.mAdminList.get(i); 7191 if (ap != null) { 7192 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 7193 pw.println(":"); 7194 ap.dump(" ", pw); 7195 } 7196 } 7197 if (!policy.mRemovingAdmins.isEmpty()) { 7198 pw.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 7199 + policy.mRemovingAdmins); 7200 } 7201 7202 pw.println(" "); 7203 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 7204 } 7205 pw.println(); 7206 pw.println("Encryption Status: " + getEncryptionStatusName(getEncryptionStatus())); 7207 } 7208 } 7209 7210 private String getEncryptionStatusName(int encryptionStatus) { 7211 switch (encryptionStatus) { 7212 case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: 7213 return "inactive"; 7214 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY: 7215 return "block default key"; 7216 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: 7217 return "block"; 7218 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_PER_USER: 7219 return "per-user"; 7220 case DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED: 7221 return "unsupported"; 7222 case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVATING: 7223 return "activating"; 7224 default: 7225 return "unknown"; 7226 } 7227 } 7228 7229 @Override 7230 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 7231 ComponentName activity) { 7232 Preconditions.checkNotNull(who, "ComponentName is null"); 7233 final int userHandle = UserHandle.getCallingUserId(); 7234 synchronized (this) { 7235 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7236 7237 long id = mInjector.binderClearCallingIdentity(); 7238 try { 7239 mIPackageManager.addPersistentPreferredActivity(filter, activity, userHandle); 7240 } catch (RemoteException re) { 7241 // Shouldn't happen 7242 } finally { 7243 mInjector.binderRestoreCallingIdentity(id); 7244 } 7245 } 7246 } 7247 7248 @Override 7249 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 7250 Preconditions.checkNotNull(who, "ComponentName is null"); 7251 final int userHandle = UserHandle.getCallingUserId(); 7252 synchronized (this) { 7253 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7254 7255 long id = mInjector.binderClearCallingIdentity(); 7256 try { 7257 mIPackageManager.clearPackagePersistentPreferredActivities(packageName, userHandle); 7258 } catch (RemoteException re) { 7259 // Shouldn't happen 7260 } finally { 7261 mInjector.binderRestoreCallingIdentity(id); 7262 } 7263 } 7264 } 7265 7266 @Override 7267 public boolean setApplicationRestrictionsManagingPackage(ComponentName admin, 7268 String packageName) { 7269 try { 7270 setDelegatedScopePreO(admin, packageName, DELEGATION_APP_RESTRICTIONS); 7271 } catch (IllegalArgumentException e) { 7272 return false; 7273 } 7274 return true; 7275 } 7276 7277 @Override 7278 public String getApplicationRestrictionsManagingPackage(ComponentName admin) { 7279 final List<String> delegatePackages = getDelegatePackages(admin, 7280 DELEGATION_APP_RESTRICTIONS); 7281 return delegatePackages.size() > 0 ? delegatePackages.get(0) : null; 7282 } 7283 7284 @Override 7285 public boolean isCallerApplicationRestrictionsManagingPackage(String callerPackage) { 7286 return isCallerDelegate(callerPackage, DELEGATION_APP_RESTRICTIONS); 7287 } 7288 7289 @Override 7290 public void setApplicationRestrictions(ComponentName who, String callerPackage, 7291 String packageName, Bundle settings) { 7292 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 7293 DELEGATION_APP_RESTRICTIONS); 7294 7295 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7296 final long id = mInjector.binderClearCallingIdentity(); 7297 try { 7298 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 7299 } finally { 7300 mInjector.binderRestoreCallingIdentity(id); 7301 } 7302 } 7303 7304 @Override 7305 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 7306 PersistableBundle args, boolean parent) { 7307 if (!mHasFeature) { 7308 return; 7309 } 7310 Preconditions.checkNotNull(admin, "admin is null"); 7311 Preconditions.checkNotNull(agent, "agent is null"); 7312 final int userHandle = UserHandle.getCallingUserId(); 7313 synchronized (this) { 7314 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 7315 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES, parent); 7316 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 7317 saveSettingsLocked(userHandle); 7318 } 7319 } 7320 7321 @Override 7322 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 7323 ComponentName agent, int userHandle, boolean parent) { 7324 if (!mHasFeature) { 7325 return null; 7326 } 7327 Preconditions.checkNotNull(agent, "agent null"); 7328 enforceFullCrossUsersPermission(userHandle); 7329 7330 synchronized (this) { 7331 final String componentName = agent.flattenToString(); 7332 if (admin != null) { 7333 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle, parent); 7334 if (ap == null) return null; 7335 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 7336 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 7337 List<PersistableBundle> result = new ArrayList<>(); 7338 result.add(trustAgentInfo.options); 7339 return result; 7340 } 7341 7342 // Return strictest policy for this user and profiles that are visible from this user. 7343 List<PersistableBundle> result = null; 7344 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 7345 // of the options. If any admin doesn't have options, discard options for the rest 7346 // and return null. 7347 List<ActiveAdmin> admins = 7348 getActiveAdminsForLockscreenPoliciesLocked(userHandle, parent); 7349 boolean allAdminsHaveOptions = true; 7350 final int N = admins.size(); 7351 for (int i = 0; i < N; i++) { 7352 final ActiveAdmin active = admins.get(i); 7353 7354 final boolean disablesTrust = (active.disabledKeyguardFeatures 7355 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 7356 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 7357 if (info != null && info.options != null && !info.options.isEmpty()) { 7358 if (disablesTrust) { 7359 if (result == null) { 7360 result = new ArrayList<>(); 7361 } 7362 result.add(info.options); 7363 } else { 7364 Log.w(LOG_TAG, "Ignoring admin " + active.info 7365 + " because it has trust options but doesn't declare " 7366 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 7367 } 7368 } else if (disablesTrust) { 7369 allAdminsHaveOptions = false; 7370 break; 7371 } 7372 } 7373 return allAdminsHaveOptions ? result : null; 7374 } 7375 } 7376 7377 @Override 7378 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 7379 Preconditions.checkNotNull(who, "ComponentName is null"); 7380 synchronized (this) { 7381 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7382 7383 int userHandle = UserHandle.getCallingUserId(); 7384 DevicePolicyData userData = getUserData(userHandle); 7385 userData.mRestrictionsProvider = permissionProvider; 7386 saveSettingsLocked(userHandle); 7387 } 7388 } 7389 7390 @Override 7391 public ComponentName getRestrictionsProvider(int userHandle) { 7392 synchronized (this) { 7393 if (!isCallerWithSystemUid()) { 7394 throw new SecurityException("Only the system can query the permission provider"); 7395 } 7396 DevicePolicyData userData = getUserData(userHandle); 7397 return userData != null ? userData.mRestrictionsProvider : null; 7398 } 7399 } 7400 7401 @Override 7402 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 7403 Preconditions.checkNotNull(who, "ComponentName is null"); 7404 int callingUserId = UserHandle.getCallingUserId(); 7405 synchronized (this) { 7406 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7407 7408 long id = mInjector.binderClearCallingIdentity(); 7409 try { 7410 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7411 if (parent == null) { 7412 Slog.e(LOG_TAG, "Cannot call addCrossProfileIntentFilter if there is no " 7413 + "parent"); 7414 return; 7415 } 7416 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 7417 mIPackageManager.addCrossProfileIntentFilter( 7418 filter, who.getPackageName(), callingUserId, parent.id, 0); 7419 } 7420 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 7421 mIPackageManager.addCrossProfileIntentFilter(filter, who.getPackageName(), 7422 parent.id, callingUserId, 0); 7423 } 7424 } catch (RemoteException re) { 7425 // Shouldn't happen 7426 } finally { 7427 mInjector.binderRestoreCallingIdentity(id); 7428 } 7429 } 7430 } 7431 7432 @Override 7433 public void clearCrossProfileIntentFilters(ComponentName who) { 7434 Preconditions.checkNotNull(who, "ComponentName is null"); 7435 int callingUserId = UserHandle.getCallingUserId(); 7436 synchronized (this) { 7437 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7438 long id = mInjector.binderClearCallingIdentity(); 7439 try { 7440 UserInfo parent = mUserManager.getProfileParent(callingUserId); 7441 if (parent == null) { 7442 Slog.e(LOG_TAG, "Cannot call clearCrossProfileIntentFilter if there is no " 7443 + "parent"); 7444 return; 7445 } 7446 // Removing those that go from the managed profile to the parent. 7447 mIPackageManager.clearCrossProfileIntentFilters( 7448 callingUserId, who.getPackageName()); 7449 // And those that go from the parent to the managed profile. 7450 // If we want to support multiple managed profiles, we will have to only remove 7451 // those that have callingUserId as their target. 7452 mIPackageManager.clearCrossProfileIntentFilters(parent.id, who.getPackageName()); 7453 } catch (RemoteException re) { 7454 // Shouldn't happen 7455 } finally { 7456 mInjector.binderRestoreCallingIdentity(id); 7457 } 7458 } 7459 } 7460 7461 /** 7462 * @return true if all packages in enabledPackages are either in the list 7463 * permittedList or are a system app. 7464 */ 7465 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 7466 List<String> permittedList, int userIdToCheck) { 7467 long id = mInjector.binderClearCallingIdentity(); 7468 try { 7469 // If we have an enabled packages list for a managed profile the packages 7470 // we should check are installed for the parent user. 7471 UserInfo user = getUserInfo(userIdToCheck); 7472 if (user.isManagedProfile()) { 7473 userIdToCheck = user.profileGroupId; 7474 } 7475 7476 for (String enabledPackage : enabledPackages) { 7477 boolean systemService = false; 7478 try { 7479 ApplicationInfo applicationInfo = mIPackageManager.getApplicationInfo( 7480 enabledPackage, PackageManager.MATCH_UNINSTALLED_PACKAGES, 7481 userIdToCheck); 7482 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7483 } catch (RemoteException e) { 7484 Log.i(LOG_TAG, "Can't talk to package managed", e); 7485 } 7486 if (!systemService && !permittedList.contains(enabledPackage)) { 7487 return false; 7488 } 7489 } 7490 } finally { 7491 mInjector.binderRestoreCallingIdentity(id); 7492 } 7493 return true; 7494 } 7495 7496 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 7497 // Not using AccessibilityManager.getInstance because that guesses 7498 // at the user you require based on callingUid and caches for a given 7499 // process. 7500 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 7501 IAccessibilityManager service = iBinder == null 7502 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 7503 return new AccessibilityManager(mContext, service, userId); 7504 } 7505 7506 @Override 7507 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 7508 if (!mHasFeature) { 7509 return false; 7510 } 7511 Preconditions.checkNotNull(who, "ComponentName is null"); 7512 7513 if (packageList != null) { 7514 int userId = UserHandle.getCallingUserId(); 7515 List<AccessibilityServiceInfo> enabledServices = null; 7516 long id = mInjector.binderClearCallingIdentity(); 7517 try { 7518 UserInfo user = getUserInfo(userId); 7519 if (user.isManagedProfile()) { 7520 userId = user.profileGroupId; 7521 } 7522 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 7523 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 7524 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 7525 } finally { 7526 mInjector.binderRestoreCallingIdentity(id); 7527 } 7528 7529 if (enabledServices != null) { 7530 List<String> enabledPackages = new ArrayList<String>(); 7531 for (AccessibilityServiceInfo service : enabledServices) { 7532 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 7533 } 7534 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7535 userId)) { 7536 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 7537 + "because it contains already enabled accesibility services."); 7538 return false; 7539 } 7540 } 7541 } 7542 7543 synchronized (this) { 7544 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7545 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7546 admin.permittedAccessiblityServices = packageList; 7547 saveSettingsLocked(UserHandle.getCallingUserId()); 7548 } 7549 return true; 7550 } 7551 7552 @Override 7553 public List getPermittedAccessibilityServices(ComponentName who) { 7554 if (!mHasFeature) { 7555 return null; 7556 } 7557 Preconditions.checkNotNull(who, "ComponentName is null"); 7558 7559 synchronized (this) { 7560 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7561 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7562 return admin.permittedAccessiblityServices; 7563 } 7564 } 7565 7566 @Override 7567 public List getPermittedAccessibilityServicesForUser(int userId) { 7568 if (!mHasFeature) { 7569 return null; 7570 } 7571 synchronized (this) { 7572 List<String> result = null; 7573 // If we have multiple profiles we return the intersection of the 7574 // permitted lists. This can happen in cases where we have a device 7575 // and profile owner. 7576 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7577 for (int profileId : profileIds) { 7578 // Just loop though all admins, only device or profiles 7579 // owners can have permitted lists set. 7580 DevicePolicyData policy = getUserDataUnchecked(profileId); 7581 final int N = policy.mAdminList.size(); 7582 for (int j = 0; j < N; j++) { 7583 ActiveAdmin admin = policy.mAdminList.get(j); 7584 List<String> fromAdmin = admin.permittedAccessiblityServices; 7585 if (fromAdmin != null) { 7586 if (result == null) { 7587 result = new ArrayList<>(fromAdmin); 7588 } else { 7589 result.retainAll(fromAdmin); 7590 } 7591 } 7592 } 7593 } 7594 7595 // If we have a permitted list add all system accessibility services. 7596 if (result != null) { 7597 long id = mInjector.binderClearCallingIdentity(); 7598 try { 7599 UserInfo user = getUserInfo(userId); 7600 if (user.isManagedProfile()) { 7601 userId = user.profileGroupId; 7602 } 7603 AccessibilityManager accessibilityManager = 7604 getAccessibilityManagerForUser(userId); 7605 List<AccessibilityServiceInfo> installedServices = 7606 accessibilityManager.getInstalledAccessibilityServiceList(); 7607 7608 if (installedServices != null) { 7609 for (AccessibilityServiceInfo service : installedServices) { 7610 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 7611 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7612 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7613 result.add(serviceInfo.packageName); 7614 } 7615 } 7616 } 7617 } finally { 7618 mInjector.binderRestoreCallingIdentity(id); 7619 } 7620 } 7621 7622 return result; 7623 } 7624 } 7625 7626 @Override 7627 public boolean isAccessibilityServicePermittedByAdmin(ComponentName who, String packageName, 7628 int userHandle) { 7629 if (!mHasFeature) { 7630 return true; 7631 } 7632 Preconditions.checkNotNull(who, "ComponentName is null"); 7633 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7634 if (!isCallerWithSystemUid()){ 7635 throw new SecurityException( 7636 "Only the system can query if an accessibility service is disabled by admin"); 7637 } 7638 synchronized (this) { 7639 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7640 if (admin == null) { 7641 return false; 7642 } 7643 if (admin.permittedAccessiblityServices == null) { 7644 return true; 7645 } 7646 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7647 admin.permittedAccessiblityServices, userHandle); 7648 } 7649 } 7650 7651 private boolean checkCallerIsCurrentUserOrProfile() { 7652 int callingUserId = UserHandle.getCallingUserId(); 7653 long token = mInjector.binderClearCallingIdentity(); 7654 try { 7655 UserInfo currentUser; 7656 UserInfo callingUser = getUserInfo(callingUserId); 7657 try { 7658 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7659 } catch (RemoteException e) { 7660 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 7661 return false; 7662 } 7663 7664 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 7665 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 7666 + "of a user that isn't the foreground user."); 7667 return false; 7668 } 7669 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 7670 Slog.e(LOG_TAG, "Cannot set permitted input methods " 7671 + "of a user that isn't the foreground user."); 7672 return false; 7673 } 7674 } finally { 7675 mInjector.binderRestoreCallingIdentity(token); 7676 } 7677 return true; 7678 } 7679 7680 @Override 7681 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 7682 if (!mHasFeature) { 7683 return false; 7684 } 7685 Preconditions.checkNotNull(who, "ComponentName is null"); 7686 7687 // TODO When InputMethodManager supports per user calls remove 7688 // this restriction. 7689 if (!checkCallerIsCurrentUserOrProfile()) { 7690 return false; 7691 } 7692 7693 if (packageList != null) { 7694 // InputMethodManager fetches input methods for current user. 7695 // So this can only be set when calling user is the current user 7696 // or parent is current user in case of managed profiles. 7697 InputMethodManager inputMethodManager = 7698 mContext.getSystemService(InputMethodManager.class); 7699 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 7700 7701 if (enabledImes != null) { 7702 List<String> enabledPackages = new ArrayList<String>(); 7703 for (InputMethodInfo ime : enabledImes) { 7704 enabledPackages.add(ime.getPackageName()); 7705 } 7706 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList, 7707 mInjector.binderGetCallingUserHandle().getIdentifier())) { 7708 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 7709 + "because it contains already enabled input method."); 7710 return false; 7711 } 7712 } 7713 } 7714 7715 synchronized (this) { 7716 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7717 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7718 admin.permittedInputMethods = packageList; 7719 saveSettingsLocked(UserHandle.getCallingUserId()); 7720 } 7721 return true; 7722 } 7723 7724 @Override 7725 public List getPermittedInputMethods(ComponentName who) { 7726 if (!mHasFeature) { 7727 return null; 7728 } 7729 Preconditions.checkNotNull(who, "ComponentName is null"); 7730 7731 synchronized (this) { 7732 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 7733 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 7734 return admin.permittedInputMethods; 7735 } 7736 } 7737 7738 @Override 7739 public List getPermittedInputMethodsForCurrentUser() { 7740 UserInfo currentUser; 7741 try { 7742 currentUser = mInjector.getIActivityManager().getCurrentUser(); 7743 } catch (RemoteException e) { 7744 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 7745 // Activity managed is dead, just allow all IMEs 7746 return null; 7747 } 7748 7749 int userId = currentUser.id; 7750 synchronized (this) { 7751 List<String> result = null; 7752 // If we have multiple profiles we return the intersection of the 7753 // permitted lists. This can happen in cases where we have a device 7754 // and profile owner. 7755 int[] profileIds = mUserManager.getProfileIdsWithDisabled(userId); 7756 for (int profileId : profileIds) { 7757 // Just loop though all admins, only device or profiles 7758 // owners can have permitted lists set. 7759 DevicePolicyData policy = getUserDataUnchecked(profileId); 7760 final int N = policy.mAdminList.size(); 7761 for (int j = 0; j < N; j++) { 7762 ActiveAdmin admin = policy.mAdminList.get(j); 7763 List<String> fromAdmin = admin.permittedInputMethods; 7764 if (fromAdmin != null) { 7765 if (result == null) { 7766 result = new ArrayList<String>(fromAdmin); 7767 } else { 7768 result.retainAll(fromAdmin); 7769 } 7770 } 7771 } 7772 } 7773 7774 // If we have a permitted list add all system input methods. 7775 if (result != null) { 7776 InputMethodManager inputMethodManager = 7777 mContext.getSystemService(InputMethodManager.class); 7778 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 7779 long id = mInjector.binderClearCallingIdentity(); 7780 try { 7781 if (imes != null) { 7782 for (InputMethodInfo ime : imes) { 7783 ServiceInfo serviceInfo = ime.getServiceInfo(); 7784 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 7785 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7786 result.add(serviceInfo.packageName); 7787 } 7788 } 7789 } 7790 } finally { 7791 mInjector.binderRestoreCallingIdentity(id); 7792 } 7793 } 7794 return result; 7795 } 7796 } 7797 7798 @Override 7799 public boolean isInputMethodPermittedByAdmin(ComponentName who, String packageName, 7800 int userHandle) { 7801 if (!mHasFeature) { 7802 return true; 7803 } 7804 Preconditions.checkNotNull(who, "ComponentName is null"); 7805 Preconditions.checkStringNotEmpty(packageName, "packageName is null"); 7806 if (!isCallerWithSystemUid()) { 7807 throw new SecurityException( 7808 "Only the system can query if an input method is disabled by admin"); 7809 } 7810 synchronized (this) { 7811 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 7812 if (admin == null) { 7813 return false; 7814 } 7815 if (admin.permittedInputMethods == null) { 7816 return true; 7817 } 7818 return checkPackagesInPermittedListOrSystem(Arrays.asList(packageName), 7819 admin.permittedInputMethods, userHandle); 7820 } 7821 } 7822 7823 private void sendAdminEnabledBroadcastLocked(int userHandle) { 7824 DevicePolicyData policyData = getUserData(userHandle); 7825 if (policyData.mAdminBroadcastPending) { 7826 // Send the initialization data to profile owner and delete the data 7827 ActiveAdmin admin = getProfileOwnerAdminLocked(userHandle); 7828 if (admin != null) { 7829 PersistableBundle initBundle = policyData.mInitBundle; 7830 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 7831 initBundle == null ? null : new Bundle(initBundle), null); 7832 } 7833 policyData.mInitBundle = null; 7834 policyData.mAdminBroadcastPending = false; 7835 saveSettingsLocked(userHandle); 7836 } 7837 } 7838 7839 @Override 7840 public UserHandle createAndManageUser(ComponentName admin, String name, 7841 ComponentName profileOwner, PersistableBundle adminExtras, int flags) { 7842 Preconditions.checkNotNull(admin, "admin is null"); 7843 Preconditions.checkNotNull(profileOwner, "profileOwner is null"); 7844 if (!admin.getPackageName().equals(profileOwner.getPackageName())) { 7845 throw new IllegalArgumentException("profileOwner " + profileOwner + " and admin " 7846 + admin + " are not in the same package"); 7847 } 7848 // Only allow the system user to use this method 7849 if (!mInjector.binderGetCallingUserHandle().isSystem()) { 7850 throw new SecurityException("createAndManageUser was called from non-system user"); 7851 } 7852 if (!mInjector.userManagerIsSplitSystemUser() 7853 && (flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7854 throw new IllegalArgumentException( 7855 "Ephemeral users are only supported on systems with a split system user."); 7856 } 7857 // Create user. 7858 UserHandle user = null; 7859 synchronized (this) { 7860 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7861 7862 final long id = mInjector.binderClearCallingIdentity(); 7863 try { 7864 int userInfoFlags = 0; 7865 if ((flags & DevicePolicyManager.MAKE_USER_EPHEMERAL) != 0) { 7866 userInfoFlags |= UserInfo.FLAG_EPHEMERAL; 7867 } 7868 UserInfo userInfo = mUserManagerInternal.createUserEvenWhenDisallowed(name, 7869 userInfoFlags); 7870 if (userInfo != null) { 7871 user = userInfo.getUserHandle(); 7872 } 7873 } finally { 7874 mInjector.binderRestoreCallingIdentity(id); 7875 } 7876 } 7877 if (user == null) { 7878 return null; 7879 } 7880 // Set admin. 7881 final long id = mInjector.binderClearCallingIdentity(); 7882 try { 7883 final String adminPkg = admin.getPackageName(); 7884 7885 final int userHandle = user.getIdentifier(); 7886 try { 7887 // Install the profile owner if not present. 7888 if (!mIPackageManager.isPackageAvailable(adminPkg, userHandle)) { 7889 mIPackageManager.installExistingPackageAsUser(adminPkg, userHandle, 7890 PackageManager.INSTALL_REASON_POLICY); 7891 } 7892 } catch (RemoteException e) { 7893 Slog.e(LOG_TAG, "Failed to make remote calls for createAndManageUser, " 7894 + "removing created user", e); 7895 mUserManager.removeUser(user.getIdentifier()); 7896 return null; 7897 } 7898 7899 setActiveAdmin(profileOwner, true, userHandle); 7900 // User is not started yet, the broadcast by setActiveAdmin will not be received. 7901 // So we store adminExtras for broadcasting when the user starts for first time. 7902 synchronized(this) { 7903 DevicePolicyData policyData = getUserData(userHandle); 7904 policyData.mInitBundle = adminExtras; 7905 policyData.mAdminBroadcastPending = true; 7906 saveSettingsLocked(userHandle); 7907 } 7908 final String ownerName = getProfileOwnerName(Process.myUserHandle().getIdentifier()); 7909 setProfileOwner(profileOwner, ownerName, userHandle); 7910 7911 if ((flags & DevicePolicyManager.SKIP_SETUP_WIZARD) != 0) { 7912 Settings.Secure.putIntForUser(mContext.getContentResolver(), 7913 Settings.Secure.USER_SETUP_COMPLETE, 1, userHandle); 7914 } 7915 7916 return user; 7917 } finally { 7918 mInjector.binderRestoreCallingIdentity(id); 7919 } 7920 } 7921 7922 @Override 7923 public boolean removeUser(ComponentName who, UserHandle userHandle) { 7924 Preconditions.checkNotNull(who, "ComponentName is null"); 7925 synchronized (this) { 7926 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7927 } 7928 7929 final int callingUserId = mInjector.userHandleGetCallingUserId(); 7930 final long id = mInjector.binderClearCallingIdentity(); 7931 try { 7932 String restriction = isManagedProfile(userHandle.getIdentifier()) 7933 ? UserManager.DISALLOW_REMOVE_MANAGED_PROFILE 7934 : UserManager.DISALLOW_REMOVE_USER; 7935 if (isAdminAffectedByRestriction(who, restriction, callingUserId)) { 7936 Log.w(LOG_TAG, "The device owner cannot remove a user because " 7937 + restriction + " is enabled, and was not set by the device owner"); 7938 return false; 7939 } 7940 return mUserManagerInternal.removeUserEvenWhenDisallowed(userHandle.getIdentifier()); 7941 } finally { 7942 mInjector.binderRestoreCallingIdentity(id); 7943 } 7944 } 7945 7946 private boolean isAdminAffectedByRestriction( 7947 ComponentName admin, String userRestriction, int userId) { 7948 switch(mUserManager.getUserRestrictionSource(userRestriction, UserHandle.of(userId))) { 7949 case UserManager.RESTRICTION_NOT_SET: 7950 return false; 7951 case UserManager.RESTRICTION_SOURCE_DEVICE_OWNER: 7952 return !isDeviceOwner(admin, userId); 7953 case UserManager.RESTRICTION_SOURCE_PROFILE_OWNER: 7954 return !isProfileOwner(admin, userId); 7955 default: 7956 return true; 7957 } 7958 } 7959 7960 @Override 7961 public boolean switchUser(ComponentName who, UserHandle userHandle) { 7962 Preconditions.checkNotNull(who, "ComponentName is null"); 7963 synchronized (this) { 7964 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 7965 7966 long id = mInjector.binderClearCallingIdentity(); 7967 try { 7968 int userId = UserHandle.USER_SYSTEM; 7969 if (userHandle != null) { 7970 userId = userHandle.getIdentifier(); 7971 } 7972 return mInjector.getIActivityManager().switchUser(userId); 7973 } catch (RemoteException e) { 7974 Log.e(LOG_TAG, "Couldn't switch user", e); 7975 return false; 7976 } finally { 7977 mInjector.binderRestoreCallingIdentity(id); 7978 } 7979 } 7980 } 7981 7982 @Override 7983 public Bundle getApplicationRestrictions(ComponentName who, String callerPackage, 7984 String packageName) { 7985 enforceCanManageScope(who, callerPackage, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER, 7986 DELEGATION_APP_RESTRICTIONS); 7987 7988 final UserHandle userHandle = mInjector.binderGetCallingUserHandle(); 7989 final long id = mInjector.binderClearCallingIdentity(); 7990 try { 7991 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 7992 // if no restrictions were saved, mUserManager.getApplicationRestrictions 7993 // returns null, but DPM method should return an empty Bundle as per JavaDoc 7994 return bundle != null ? bundle : Bundle.EMPTY; 7995 } finally { 7996 mInjector.binderRestoreCallingIdentity(id); 7997 } 7998 } 7999 8000 @Override 8001 public String[] setPackagesSuspended(ComponentName who, String[] packageNames, 8002 boolean suspended) { 8003 Preconditions.checkNotNull(who, "ComponentName is null"); 8004 int callingUserId = UserHandle.getCallingUserId(); 8005 synchronized (this) { 8006 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8007 8008 long id = mInjector.binderClearCallingIdentity(); 8009 try { 8010 return mIPackageManager.setPackagesSuspendedAsUser( 8011 packageNames, suspended, callingUserId); 8012 } catch (RemoteException re) { 8013 // Shouldn't happen. 8014 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 8015 } finally { 8016 mInjector.binderRestoreCallingIdentity(id); 8017 } 8018 return packageNames; 8019 } 8020 } 8021 8022 @Override 8023 public boolean isPackageSuspended(ComponentName who, String packageName) { 8024 Preconditions.checkNotNull(who, "ComponentName is null"); 8025 int callingUserId = UserHandle.getCallingUserId(); 8026 synchronized (this) { 8027 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8028 8029 long id = mInjector.binderClearCallingIdentity(); 8030 try { 8031 return mIPackageManager.isPackageSuspendedForUser(packageName, callingUserId); 8032 } catch (RemoteException re) { 8033 // Shouldn't happen. 8034 Slog.e(LOG_TAG, "Failed talking to the package manager", re); 8035 } finally { 8036 mInjector.binderRestoreCallingIdentity(id); 8037 } 8038 return false; 8039 } 8040 } 8041 8042 @Override 8043 public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) { 8044 Preconditions.checkNotNull(who, "ComponentName is null"); 8045 if (!UserRestrictionsUtils.isValidRestriction(key)) { 8046 return; 8047 } 8048 8049 final int userHandle = mInjector.userHandleGetCallingUserId(); 8050 synchronized (this) { 8051 final ActiveAdmin activeAdmin = 8052 getActiveAdminForCallerLocked(who, 8053 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8054 final boolean isDeviceOwner = isDeviceOwner(who, userHandle); 8055 if (isDeviceOwner) { 8056 if (!UserRestrictionsUtils.canDeviceOwnerChange(key)) { 8057 throw new SecurityException("Device owner cannot set user restriction " + key); 8058 } 8059 } else { // profile owner 8060 if (!UserRestrictionsUtils.canProfileOwnerChange(key, userHandle)) { 8061 throw new SecurityException("Profile owner cannot set user restriction " + key); 8062 } 8063 } 8064 8065 // Save the restriction to ActiveAdmin. 8066 final Bundle restrictions = activeAdmin.ensureUserRestrictions(); 8067 if (enabledFromThisOwner) { 8068 restrictions.putBoolean(key, true); 8069 } else { 8070 restrictions.remove(key); 8071 } 8072 saveUserRestrictionsLocked(userHandle); 8073 } 8074 } 8075 8076 private void saveUserRestrictionsLocked(int userId) { 8077 saveSettingsLocked(userId); 8078 pushUserRestrictions(userId); 8079 sendChangedNotification(userId); 8080 } 8081 8082 private void pushUserRestrictions(int userId) { 8083 synchronized (this) { 8084 final boolean isDeviceOwner = mOwners.isDeviceOwnerUserId(userId); 8085 final Bundle userRestrictions; 8086 // Whether device owner enforces camera restriction. 8087 boolean disallowCameraGlobally = false; 8088 8089 if (isDeviceOwner) { 8090 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 8091 if (deviceOwner == null) { 8092 return; // Shouldn't happen. 8093 } 8094 userRestrictions = deviceOwner.userRestrictions; 8095 // DO can disable camera globally. 8096 disallowCameraGlobally = deviceOwner.disableCamera; 8097 } else { 8098 final ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userId); 8099 userRestrictions = profileOwner != null ? profileOwner.userRestrictions : null; 8100 } 8101 8102 // Whether any admin enforces camera restriction. 8103 final int cameraRestrictionScope = 8104 getCameraRestrictionScopeLocked(userId, disallowCameraGlobally); 8105 8106 mUserManagerInternal.setDevicePolicyUserRestrictions(userId, userRestrictions, 8107 isDeviceOwner, cameraRestrictionScope); 8108 } 8109 } 8110 8111 /** 8112 * Get the scope of camera restriction for a given user if any. 8113 */ 8114 private int getCameraRestrictionScopeLocked(int userId, boolean disallowCameraGlobally) { 8115 if (disallowCameraGlobally) { 8116 return UserManagerInternal.CAMERA_DISABLED_GLOBALLY; 8117 } else if (getCameraDisabled( 8118 /* who= */ null, userId, /* mergeDeviceOwnerRestriction= */ false)) { 8119 return UserManagerInternal.CAMERA_DISABLED_LOCALLY; 8120 } 8121 return UserManagerInternal.CAMERA_NOT_DISABLED; 8122 } 8123 8124 @Override 8125 public Bundle getUserRestrictions(ComponentName who) { 8126 if (!mHasFeature) { 8127 return null; 8128 } 8129 Preconditions.checkNotNull(who, "ComponentName is null"); 8130 synchronized (this) { 8131 final ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(who, 8132 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8133 return activeAdmin.userRestrictions; 8134 } 8135 } 8136 8137 @Override 8138 public boolean setApplicationHidden(ComponentName who, String packageName, 8139 boolean hidden) { 8140 Preconditions.checkNotNull(who, "ComponentName is null"); 8141 int callingUserId = UserHandle.getCallingUserId(); 8142 synchronized (this) { 8143 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8144 8145 long id = mInjector.binderClearCallingIdentity(); 8146 try { 8147 return mIPackageManager.setApplicationHiddenSettingAsUser( 8148 packageName, hidden, callingUserId); 8149 } catch (RemoteException re) { 8150 // shouldn't happen 8151 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 8152 } finally { 8153 mInjector.binderRestoreCallingIdentity(id); 8154 } 8155 return false; 8156 } 8157 } 8158 8159 @Override 8160 public boolean isApplicationHidden(ComponentName who, String packageName) { 8161 Preconditions.checkNotNull(who, "ComponentName is null"); 8162 int callingUserId = UserHandle.getCallingUserId(); 8163 synchronized (this) { 8164 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8165 8166 long id = mInjector.binderClearCallingIdentity(); 8167 try { 8168 return mIPackageManager.getApplicationHiddenSettingAsUser( 8169 packageName, callingUserId); 8170 } catch (RemoteException re) { 8171 // shouldn't happen 8172 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 8173 } finally { 8174 mInjector.binderRestoreCallingIdentity(id); 8175 } 8176 return false; 8177 } 8178 } 8179 8180 @Override 8181 public void enableSystemApp(ComponentName who, String packageName) { 8182 Preconditions.checkNotNull(who, "ComponentName is null"); 8183 synchronized (this) { 8184 // This API can only be called by an active device admin, 8185 // so try to retrieve it to check that the caller is one. 8186 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8187 8188 int userId = UserHandle.getCallingUserId(); 8189 long id = mInjector.binderClearCallingIdentity(); 8190 8191 try { 8192 if (VERBOSE_LOG) { 8193 Slog.v(LOG_TAG, "installing " + packageName + " for " 8194 + userId); 8195 } 8196 8197 int parentUserId = getProfileParentId(userId); 8198 if (!isSystemApp(mIPackageManager, packageName, parentUserId)) { 8199 throw new IllegalArgumentException("Only system apps can be enabled this way."); 8200 } 8201 8202 // Install the app. 8203 mIPackageManager.installExistingPackageAsUser(packageName, userId, 8204 PackageManager.INSTALL_REASON_POLICY); 8205 8206 } catch (RemoteException re) { 8207 // shouldn't happen 8208 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 8209 } finally { 8210 mInjector.binderRestoreCallingIdentity(id); 8211 } 8212 } 8213 } 8214 8215 @Override 8216 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 8217 Preconditions.checkNotNull(who, "ComponentName is null"); 8218 synchronized (this) { 8219 // This API can only be called by an active device admin, 8220 // so try to retrieve it to check that the caller is one. 8221 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8222 8223 int userId = UserHandle.getCallingUserId(); 8224 long id = mInjector.binderClearCallingIdentity(); 8225 8226 try { 8227 int parentUserId = getProfileParentId(userId); 8228 List<ResolveInfo> activitiesToEnable = mIPackageManager 8229 .queryIntentActivities(intent, 8230 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 8231 PackageManager.MATCH_DIRECT_BOOT_AWARE 8232 | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 8233 parentUserId) 8234 .getList(); 8235 8236 if (VERBOSE_LOG) { 8237 Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 8238 } 8239 int numberOfAppsInstalled = 0; 8240 if (activitiesToEnable != null) { 8241 for (ResolveInfo info : activitiesToEnable) { 8242 if (info.activityInfo != null) { 8243 String packageName = info.activityInfo.packageName; 8244 if (isSystemApp(mIPackageManager, packageName, parentUserId)) { 8245 numberOfAppsInstalled++; 8246 mIPackageManager.installExistingPackageAsUser(packageName, userId, 8247 PackageManager.INSTALL_REASON_POLICY); 8248 } else { 8249 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 8250 + " system app"); 8251 } 8252 } 8253 } 8254 } 8255 return numberOfAppsInstalled; 8256 } catch (RemoteException e) { 8257 // shouldn't happen 8258 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 8259 return 0; 8260 } finally { 8261 mInjector.binderRestoreCallingIdentity(id); 8262 } 8263 } 8264 } 8265 8266 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 8267 throws RemoteException { 8268 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, MATCH_UNINSTALLED_PACKAGES, 8269 userId); 8270 if (appInfo == null) { 8271 throw new IllegalArgumentException("The application " + packageName + 8272 " is not present on this device"); 8273 } 8274 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 8275 } 8276 8277 @Override 8278 public void setAccountManagementDisabled(ComponentName who, String accountType, 8279 boolean disabled) { 8280 if (!mHasFeature) { 8281 return; 8282 } 8283 Preconditions.checkNotNull(who, "ComponentName is null"); 8284 synchronized (this) { 8285 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 8286 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8287 if (disabled) { 8288 ap.accountTypesWithManagementDisabled.add(accountType); 8289 } else { 8290 ap.accountTypesWithManagementDisabled.remove(accountType); 8291 } 8292 saveSettingsLocked(UserHandle.getCallingUserId()); 8293 } 8294 } 8295 8296 @Override 8297 public String[] getAccountTypesWithManagementDisabled() { 8298 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 8299 } 8300 8301 @Override 8302 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 8303 enforceFullCrossUsersPermission(userId); 8304 if (!mHasFeature) { 8305 return null; 8306 } 8307 synchronized (this) { 8308 DevicePolicyData policy = getUserData(userId); 8309 final int N = policy.mAdminList.size(); 8310 ArraySet<String> resultSet = new ArraySet<>(); 8311 for (int i = 0; i < N; i++) { 8312 ActiveAdmin admin = policy.mAdminList.get(i); 8313 resultSet.addAll(admin.accountTypesWithManagementDisabled); 8314 } 8315 return resultSet.toArray(new String[resultSet.size()]); 8316 } 8317 } 8318 8319 @Override 8320 public void setUninstallBlocked(ComponentName who, String packageName, 8321 boolean uninstallBlocked) { 8322 Preconditions.checkNotNull(who, "ComponentName is null"); 8323 final int userId = UserHandle.getCallingUserId(); 8324 synchronized (this) { 8325 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8326 8327 long id = mInjector.binderClearCallingIdentity(); 8328 try { 8329 mIPackageManager.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 8330 } catch (RemoteException re) { 8331 // Shouldn't happen. 8332 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 8333 } finally { 8334 mInjector.binderRestoreCallingIdentity(id); 8335 } 8336 } 8337 } 8338 8339 @Override 8340 public boolean isUninstallBlocked(ComponentName who, String packageName) { 8341 // This function should return true if and only if the package is blocked by 8342 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 8343 // when the package is a system app, or when it is an active device admin. 8344 final int userId = UserHandle.getCallingUserId(); 8345 8346 synchronized (this) { 8347 if (who != null) { 8348 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8349 } 8350 8351 long id = mInjector.binderClearCallingIdentity(); 8352 try { 8353 return mIPackageManager.getBlockUninstallForUser(packageName, userId); 8354 } catch (RemoteException re) { 8355 // Shouldn't happen. 8356 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 8357 } finally { 8358 mInjector.binderRestoreCallingIdentity(id); 8359 } 8360 } 8361 return false; 8362 } 8363 8364 @Override 8365 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 8366 if (!mHasFeature) { 8367 return; 8368 } 8369 Preconditions.checkNotNull(who, "ComponentName is null"); 8370 synchronized (this) { 8371 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8372 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8373 if (admin.disableCallerId != disabled) { 8374 admin.disableCallerId = disabled; 8375 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8376 } 8377 } 8378 } 8379 8380 @Override 8381 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 8382 if (!mHasFeature) { 8383 return false; 8384 } 8385 Preconditions.checkNotNull(who, "ComponentName is null"); 8386 synchronized (this) { 8387 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8388 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8389 return admin.disableCallerId; 8390 } 8391 } 8392 8393 @Override 8394 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 8395 enforceCrossUsersPermission(userId); 8396 synchronized (this) { 8397 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8398 return (admin != null) ? admin.disableCallerId : false; 8399 } 8400 } 8401 8402 @Override 8403 public void setCrossProfileContactsSearchDisabled(ComponentName who, boolean disabled) { 8404 if (!mHasFeature) { 8405 return; 8406 } 8407 Preconditions.checkNotNull(who, "ComponentName is null"); 8408 synchronized (this) { 8409 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8410 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8411 if (admin.disableContactsSearch != disabled) { 8412 admin.disableContactsSearch = disabled; 8413 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 8414 } 8415 } 8416 } 8417 8418 @Override 8419 public boolean getCrossProfileContactsSearchDisabled(ComponentName who) { 8420 if (!mHasFeature) { 8421 return false; 8422 } 8423 Preconditions.checkNotNull(who, "ComponentName is null"); 8424 synchronized (this) { 8425 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8426 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8427 return admin.disableContactsSearch; 8428 } 8429 } 8430 8431 @Override 8432 public boolean getCrossProfileContactsSearchDisabledForUser(int userId) { 8433 enforceCrossUsersPermission(userId); 8434 synchronized (this) { 8435 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8436 return (admin != null) ? admin.disableContactsSearch : false; 8437 } 8438 } 8439 8440 @Override 8441 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 8442 boolean isContactIdIgnored, long actualDirectoryId, Intent originalIntent) { 8443 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent(actualLookupKey, 8444 actualContactId, isContactIdIgnored, actualDirectoryId, originalIntent); 8445 final int callingUserId = UserHandle.getCallingUserId(); 8446 8447 final long ident = mInjector.binderClearCallingIdentity(); 8448 try { 8449 synchronized (this) { 8450 final int managedUserId = getManagedUserId(callingUserId); 8451 if (managedUserId < 0) { 8452 return; 8453 } 8454 if (isCrossProfileQuickContactDisabled(managedUserId)) { 8455 if (VERBOSE_LOG) { 8456 Log.v(LOG_TAG, 8457 "Cross-profile contacts access disabled for user " + managedUserId); 8458 } 8459 return; 8460 } 8461 ContactsInternal.startQuickContactWithErrorToastForUser( 8462 mContext, intent, new UserHandle(managedUserId)); 8463 } 8464 } finally { 8465 mInjector.binderRestoreCallingIdentity(ident); 8466 } 8467 } 8468 8469 /** 8470 * @return true if cross-profile QuickContact is disabled 8471 */ 8472 private boolean isCrossProfileQuickContactDisabled(int userId) { 8473 return getCrossProfileCallerIdDisabledForUser(userId) 8474 && getCrossProfileContactsSearchDisabledForUser(userId); 8475 } 8476 8477 /** 8478 * @return the user ID of the managed user that is linked to the current user, if any. 8479 * Otherwise -1. 8480 */ 8481 public int getManagedUserId(int callingUserId) { 8482 if (VERBOSE_LOG) { 8483 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 8484 } 8485 8486 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 8487 if (ui.id == callingUserId || !ui.isManagedProfile()) { 8488 continue; // Caller user self, or not a managed profile. Skip. 8489 } 8490 if (VERBOSE_LOG) { 8491 Log.v(LOG_TAG, "Managed user=" + ui.id); 8492 } 8493 return ui.id; 8494 } 8495 if (VERBOSE_LOG) { 8496 Log.v(LOG_TAG, "Managed user not found."); 8497 } 8498 return -1; 8499 } 8500 8501 @Override 8502 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 8503 if (!mHasFeature) { 8504 return; 8505 } 8506 Preconditions.checkNotNull(who, "ComponentName is null"); 8507 synchronized (this) { 8508 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8509 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8510 if (admin.disableBluetoothContactSharing != disabled) { 8511 admin.disableBluetoothContactSharing = disabled; 8512 saveSettingsLocked(UserHandle.getCallingUserId()); 8513 } 8514 } 8515 } 8516 8517 @Override 8518 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 8519 if (!mHasFeature) { 8520 return false; 8521 } 8522 Preconditions.checkNotNull(who, "ComponentName is null"); 8523 synchronized (this) { 8524 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 8525 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8526 return admin.disableBluetoothContactSharing; 8527 } 8528 } 8529 8530 @Override 8531 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 8532 // TODO: Should there be a check to make sure this relationship is 8533 // within a profile group? 8534 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 8535 synchronized (this) { 8536 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 8537 return (admin != null) ? admin.disableBluetoothContactSharing : false; 8538 } 8539 } 8540 8541 /** 8542 * Sets which packages may enter lock task mode. 8543 * 8544 * <p>This function can only be called by the device owner or alternatively by the profile owner 8545 * in case the user is affiliated. 8546 * 8547 * @param packages The list of packages allowed to enter lock task mode. 8548 */ 8549 @Override 8550 public void setLockTaskPackages(ComponentName who, String[] packages) 8551 throws SecurityException { 8552 Preconditions.checkNotNull(who, "ComponentName is null"); 8553 8554 synchronized (this) { 8555 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8556 final int userHandle = mInjector.userHandleGetCallingUserId(); 8557 if (isUserAffiliatedWithDeviceLocked(userHandle)) { 8558 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 8559 } else { 8560 throw new SecurityException("Admin " + who + 8561 " is neither the device owner or affiliated user's profile owner."); 8562 } 8563 } 8564 } 8565 8566 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 8567 DevicePolicyData policy = getUserData(userHandle); 8568 policy.mLockTaskPackages = packages; 8569 8570 // Store the settings persistently. 8571 saveSettingsLocked(userHandle); 8572 updateLockTaskPackagesLocked(packages, userHandle); 8573 } 8574 8575 /** 8576 * This function returns the list of components allowed to start the task lock mode. 8577 */ 8578 @Override 8579 public String[] getLockTaskPackages(ComponentName who) { 8580 Preconditions.checkNotNull(who, "ComponentName is null"); 8581 synchronized (this) { 8582 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8583 int userHandle = mInjector.binderGetCallingUserHandle().getIdentifier(); 8584 final List<String> packages = getLockTaskPackagesLocked(userHandle); 8585 return packages.toArray(new String[packages.size()]); 8586 } 8587 } 8588 8589 private List<String> getLockTaskPackagesLocked(int userHandle) { 8590 final DevicePolicyData policy = getUserData(userHandle); 8591 return policy.mLockTaskPackages; 8592 } 8593 8594 /** 8595 * This function lets the caller know whether the given package is allowed to start the 8596 * lock task mode. 8597 * @param pkg The package to check 8598 */ 8599 @Override 8600 public boolean isLockTaskPermitted(String pkg) { 8601 // Get current user's devicepolicy 8602 int uid = mInjector.binderGetCallingUid(); 8603 int userHandle = UserHandle.getUserId(uid); 8604 DevicePolicyData policy = getUserData(userHandle); 8605 synchronized (this) { 8606 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 8607 String lockTaskPackage = policy.mLockTaskPackages.get(i); 8608 8609 // If the given package equals one of the packages stored our list, 8610 // we allow this package to start lock task mode. 8611 if (lockTaskPackage.equals(pkg)) { 8612 return true; 8613 } 8614 } 8615 } 8616 return false; 8617 } 8618 8619 @Override 8620 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 8621 if (!isCallerWithSystemUid()) { 8622 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 8623 } 8624 synchronized (this) { 8625 final DevicePolicyData policy = getUserData(userHandle); 8626 Bundle adminExtras = new Bundle(); 8627 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 8628 for (ActiveAdmin admin : policy.mAdminList) { 8629 final boolean ownsDevice = isDeviceOwner(admin.info.getComponent(), userHandle); 8630 final boolean ownsProfile = isProfileOwner(admin.info.getComponent(), userHandle); 8631 if (ownsDevice || ownsProfile) { 8632 if (isEnabled) { 8633 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 8634 adminExtras, null); 8635 } else { 8636 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 8637 } 8638 } 8639 } 8640 } 8641 } 8642 8643 @Override 8644 public void setGlobalSetting(ComponentName who, String setting, String value) { 8645 Preconditions.checkNotNull(who, "ComponentName is null"); 8646 8647 synchronized (this) { 8648 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8649 8650 // Some settings are no supported any more. However we do not want to throw a 8651 // SecurityException to avoid breaking apps. 8652 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 8653 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 8654 return; 8655 } 8656 8657 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 8658 throw new SecurityException(String.format( 8659 "Permission denial: device owners cannot update %1$s", setting)); 8660 } 8661 8662 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 8663 // ignore if it contradicts an existing policy 8664 long timeMs = getMaximumTimeToLock( 8665 who, mInjector.userHandleGetCallingUserId(), /* parent */ false); 8666 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 8667 return; 8668 } 8669 } 8670 8671 long id = mInjector.binderClearCallingIdentity(); 8672 try { 8673 mInjector.settingsGlobalPutString(setting, value); 8674 } finally { 8675 mInjector.binderRestoreCallingIdentity(id); 8676 } 8677 } 8678 } 8679 8680 @Override 8681 public void setSecureSetting(ComponentName who, String setting, String value) { 8682 Preconditions.checkNotNull(who, "ComponentName is null"); 8683 int callingUserId = mInjector.userHandleGetCallingUserId(); 8684 8685 synchronized (this) { 8686 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8687 8688 if (isDeviceOwner(who, callingUserId)) { 8689 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 8690 throw new SecurityException(String.format( 8691 "Permission denial: Device owners cannot update %1$s", setting)); 8692 } 8693 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 8694 throw new SecurityException(String.format( 8695 "Permission denial: Profile owners cannot update %1$s", setting)); 8696 } 8697 8698 long id = mInjector.binderClearCallingIdentity(); 8699 try { 8700 mInjector.settingsSecurePutStringForUser(setting, value, callingUserId); 8701 } finally { 8702 mInjector.binderRestoreCallingIdentity(id); 8703 } 8704 } 8705 } 8706 8707 @Override 8708 public void setMasterVolumeMuted(ComponentName who, boolean on) { 8709 Preconditions.checkNotNull(who, "ComponentName is null"); 8710 synchronized (this) { 8711 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8712 setUserRestriction(who, UserManager.DISALLLOW_UNMUTE_DEVICE, on); 8713 } 8714 } 8715 8716 @Override 8717 public boolean isMasterVolumeMuted(ComponentName who) { 8718 Preconditions.checkNotNull(who, "ComponentName is null"); 8719 synchronized (this) { 8720 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8721 8722 AudioManager audioManager = 8723 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 8724 return audioManager.isMasterMute(); 8725 } 8726 } 8727 8728 @Override 8729 public void setUserIcon(ComponentName who, Bitmap icon) { 8730 synchronized (this) { 8731 Preconditions.checkNotNull(who, "ComponentName is null"); 8732 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 8733 8734 int userId = UserHandle.getCallingUserId(); 8735 long id = mInjector.binderClearCallingIdentity(); 8736 try { 8737 mUserManagerInternal.setUserIcon(userId, icon); 8738 } finally { 8739 mInjector.binderRestoreCallingIdentity(id); 8740 } 8741 } 8742 } 8743 8744 @Override 8745 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 8746 Preconditions.checkNotNull(who, "ComponentName is null"); 8747 synchronized (this) { 8748 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8749 } 8750 final int userId = UserHandle.getCallingUserId(); 8751 8752 long ident = mInjector.binderClearCallingIdentity(); 8753 try { 8754 // disallow disabling the keyguard if a password is currently set 8755 if (disabled && mLockPatternUtils.isSecure(userId)) { 8756 return false; 8757 } 8758 mLockPatternUtils.setLockScreenDisabled(disabled, userId); 8759 } finally { 8760 mInjector.binderRestoreCallingIdentity(ident); 8761 } 8762 return true; 8763 } 8764 8765 @Override 8766 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 8767 int userId = UserHandle.getCallingUserId(); 8768 synchronized (this) { 8769 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 8770 DevicePolicyData policy = getUserData(userId); 8771 if (policy.mStatusBarDisabled != disabled) { 8772 if (!setStatusBarDisabledInternal(disabled, userId)) { 8773 return false; 8774 } 8775 policy.mStatusBarDisabled = disabled; 8776 saveSettingsLocked(userId); 8777 } 8778 } 8779 return true; 8780 } 8781 8782 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 8783 long ident = mInjector.binderClearCallingIdentity(); 8784 try { 8785 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 8786 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 8787 if (statusBarService != null) { 8788 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 8789 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 8790 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 8791 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 8792 return true; 8793 } 8794 } catch (RemoteException e) { 8795 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 8796 } finally { 8797 mInjector.binderRestoreCallingIdentity(ident); 8798 } 8799 return false; 8800 } 8801 8802 /** 8803 * We need to update the internal state of whether a user has completed setup or a 8804 * device has paired once. After that, we ignore any changes that reset the 8805 * Settings.Secure.USER_SETUP_COMPLETE or Settings.Secure.DEVICE_PAIRED change 8806 * as we don't trust any apps that might try to reset them. 8807 * <p> 8808 * Unfortunately, we don't know which user's setup state was changed, so we write all of 8809 * them. 8810 */ 8811 void updateUserSetupCompleteAndPaired() { 8812 List<UserInfo> users = mUserManager.getUsers(true); 8813 final int N = users.size(); 8814 for (int i = 0; i < N; i++) { 8815 int userHandle = users.get(i).id; 8816 if (mInjector.settingsSecureGetIntForUser(Settings.Secure.USER_SETUP_COMPLETE, 0, 8817 userHandle) != 0) { 8818 DevicePolicyData policy = getUserData(userHandle); 8819 if (!policy.mUserSetupComplete) { 8820 policy.mUserSetupComplete = true; 8821 synchronized (this) { 8822 saveSettingsLocked(userHandle); 8823 } 8824 } 8825 } 8826 if (mIsWatch && mInjector.settingsSecureGetIntForUser(Settings.Secure.DEVICE_PAIRED, 0, 8827 userHandle) != 0) { 8828 DevicePolicyData policy = getUserData(userHandle); 8829 if (!policy.mPaired) { 8830 policy.mPaired = true; 8831 synchronized (this) { 8832 saveSettingsLocked(userHandle); 8833 } 8834 } 8835 } 8836 } 8837 } 8838 8839 private class SetupContentObserver extends ContentObserver { 8840 8841 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 8842 Settings.Secure.USER_SETUP_COMPLETE); 8843 private final Uri mDeviceProvisioned = Settings.Global.getUriFor( 8844 Settings.Global.DEVICE_PROVISIONED); 8845 private final Uri mPaired = Settings.Secure.getUriFor(Settings.Secure.DEVICE_PAIRED); 8846 8847 public SetupContentObserver(Handler handler) { 8848 super(handler); 8849 } 8850 8851 void register() { 8852 mInjector.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 8853 mInjector.registerContentObserver(mDeviceProvisioned, false, this, UserHandle.USER_ALL); 8854 if (mIsWatch) { 8855 mInjector.registerContentObserver(mPaired, false, this, UserHandle.USER_ALL); 8856 } 8857 } 8858 8859 @Override 8860 public void onChange(boolean selfChange, Uri uri) { 8861 if (mUserSetupComplete.equals(uri) || (mIsWatch && mPaired.equals(uri))) { 8862 updateUserSetupCompleteAndPaired(); 8863 } else if (mDeviceProvisioned.equals(uri)) { 8864 synchronized (DevicePolicyManagerService.this) { 8865 // Set PROPERTY_DEVICE_OWNER_PRESENT, for the SUW case where setting the property 8866 // is delayed until device is marked as provisioned. 8867 setDeviceOwnerSystemPropertyLocked(); 8868 } 8869 } 8870 } 8871 } 8872 8873 @VisibleForTesting 8874 final class LocalService extends DevicePolicyManagerInternal { 8875 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 8876 8877 @Override 8878 public List<String> getCrossProfileWidgetProviders(int profileId) { 8879 synchronized (DevicePolicyManagerService.this) { 8880 if (mOwners == null) { 8881 return Collections.emptyList(); 8882 } 8883 ComponentName ownerComponent = mOwners.getProfileOwnerComponent(profileId); 8884 if (ownerComponent == null) { 8885 return Collections.emptyList(); 8886 } 8887 8888 DevicePolicyData policy = getUserDataUnchecked(profileId); 8889 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 8890 8891 if (admin == null || admin.crossProfileWidgetProviders == null 8892 || admin.crossProfileWidgetProviders.isEmpty()) { 8893 return Collections.emptyList(); 8894 } 8895 8896 return admin.crossProfileWidgetProviders; 8897 } 8898 } 8899 8900 @Override 8901 public void addOnCrossProfileWidgetProvidersChangeListener( 8902 OnCrossProfileWidgetProvidersChangeListener listener) { 8903 synchronized (DevicePolicyManagerService.this) { 8904 if (mWidgetProviderListeners == null) { 8905 mWidgetProviderListeners = new ArrayList<>(); 8906 } 8907 if (!mWidgetProviderListeners.contains(listener)) { 8908 mWidgetProviderListeners.add(listener); 8909 } 8910 } 8911 } 8912 8913 @Override 8914 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 8915 synchronized(DevicePolicyManagerService.this) { 8916 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 8917 } 8918 } 8919 8920 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 8921 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 8922 synchronized (DevicePolicyManagerService.this) { 8923 listeners = new ArrayList<>(mWidgetProviderListeners); 8924 } 8925 final int listenerCount = listeners.size(); 8926 for (int i = 0; i < listenerCount; i++) { 8927 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 8928 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 8929 } 8930 } 8931 8932 @Override 8933 public Intent createShowAdminSupportIntent(int userId, boolean useDefaultIfNoAdmin) { 8934 // This method is called from AM with its lock held, so don't take the DPMS lock. 8935 // b/29242568 8936 8937 ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8938 if (profileOwner != null) { 8939 return createShowAdminSupportIntent(profileOwner, userId); 8940 } 8941 8942 final Pair<Integer, ComponentName> deviceOwner = 8943 mOwners.getDeviceOwnerUserIdAndComponent(); 8944 if (deviceOwner != null && deviceOwner.first == userId) { 8945 return createShowAdminSupportIntent(deviceOwner.second, userId); 8946 } 8947 8948 // We're not specifying the device admin because there isn't one. 8949 if (useDefaultIfNoAdmin) { 8950 return createShowAdminSupportIntent(null, userId); 8951 } 8952 return null; 8953 } 8954 8955 @Override 8956 public Intent createUserRestrictionSupportIntent(int userId, String userRestriction) { 8957 int source; 8958 long ident = mInjector.binderClearCallingIdentity(); 8959 try { 8960 source = mUserManager.getUserRestrictionSource(userRestriction, 8961 UserHandle.of(userId)); 8962 } finally { 8963 mInjector.binderRestoreCallingIdentity(ident); 8964 } 8965 if ((source & UserManager.RESTRICTION_SOURCE_SYSTEM) != 0) { 8966 /* 8967 * In this case, the user restriction is enforced by the system. 8968 * So we won't show an admin support intent, even if it is also 8969 * enforced by a profile/device owner. 8970 */ 8971 return null; 8972 } 8973 boolean enforcedByDo = (source & UserManager.RESTRICTION_SOURCE_DEVICE_OWNER) != 0; 8974 boolean enforcedByPo = (source & UserManager.RESTRICTION_SOURCE_PROFILE_OWNER) != 0; 8975 if (enforcedByDo && enforcedByPo) { 8976 // In this case, we'll show an admin support dialog that does not 8977 // specify the admin. 8978 return createShowAdminSupportIntent(null, userId); 8979 } else if (enforcedByPo) { 8980 final ComponentName profileOwner = mOwners.getProfileOwnerComponent(userId); 8981 if (profileOwner != null) { 8982 return createShowAdminSupportIntent(profileOwner, userId); 8983 } 8984 // This could happen if another thread has changed the profile owner since we called 8985 // getUserRestrictionSource 8986 return null; 8987 } else if (enforcedByDo) { 8988 final Pair<Integer, ComponentName> deviceOwner 8989 = mOwners.getDeviceOwnerUserIdAndComponent(); 8990 if (deviceOwner != null) { 8991 return createShowAdminSupportIntent(deviceOwner.second, deviceOwner.first); 8992 } 8993 // This could happen if another thread has changed the device owner since we called 8994 // getUserRestrictionSource 8995 return null; 8996 } 8997 return null; 8998 } 8999 9000 private Intent createShowAdminSupportIntent(ComponentName admin, int userId) { 9001 // This method is called with AMS lock held, so don't take DPMS lock 9002 final Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS); 9003 intent.putExtra(Intent.EXTRA_USER_ID, userId); 9004 intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, admin); 9005 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 9006 return intent; 9007 } 9008 } 9009 9010 /** 9011 * Returns true if specified admin is allowed to limit passwords and has a 9012 * {@code minimumPasswordMetrics.quality} of at least {@code minPasswordQuality} 9013 */ 9014 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 9015 if (admin.minimumPasswordMetrics.quality < minPasswordQuality) { 9016 return false; 9017 } 9018 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 9019 } 9020 9021 @Override 9022 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 9023 if (policy != null && !policy.isValid()) { 9024 throw new IllegalArgumentException("Invalid system update policy."); 9025 } 9026 synchronized (this) { 9027 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9028 if (policy == null) { 9029 mOwners.clearSystemUpdatePolicy(); 9030 } else { 9031 mOwners.setSystemUpdatePolicy(policy); 9032 } 9033 mOwners.writeDeviceOwner(); 9034 } 9035 mContext.sendBroadcastAsUser( 9036 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 9037 UserHandle.SYSTEM); 9038 } 9039 9040 @Override 9041 public SystemUpdatePolicy getSystemUpdatePolicy() { 9042 if (UserManager.isDeviceInDemoMode(mContext)) { 9043 // Pretending to have an automatic update policy when the device is in retail demo 9044 // mode. This will allow the device to download and install an ota without 9045 // any user interaction. 9046 return SystemUpdatePolicy.createAutomaticInstallPolicy(); 9047 } 9048 synchronized (this) { 9049 SystemUpdatePolicy policy = mOwners.getSystemUpdatePolicy(); 9050 if (policy != null && !policy.isValid()) { 9051 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 9052 return null; 9053 } 9054 return policy; 9055 } 9056 } 9057 9058 /** 9059 * Checks if the caller of the method is the device owner app. 9060 * 9061 * @param callerUid UID of the caller. 9062 * @return true if the caller is the device owner app 9063 */ 9064 @VisibleForTesting 9065 boolean isCallerDeviceOwner(int callerUid) { 9066 synchronized (this) { 9067 if (!mOwners.hasDeviceOwner()) { 9068 return false; 9069 } 9070 if (UserHandle.getUserId(callerUid) != mOwners.getDeviceOwnerUserId()) { 9071 return false; 9072 } 9073 final String deviceOwnerPackageName = mOwners.getDeviceOwnerComponent() 9074 .getPackageName(); 9075 final String[] pkgs = mInjector.getPackageManager().getPackagesForUid(callerUid); 9076 9077 for (String pkg : pkgs) { 9078 if (deviceOwnerPackageName.equals(pkg)) { 9079 return true; 9080 } 9081 } 9082 } 9083 9084 return false; 9085 } 9086 9087 @Override 9088 public void notifyPendingSystemUpdate(@Nullable SystemUpdateInfo info) { 9089 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 9090 "Only the system update service can broadcast update information"); 9091 9092 if (UserHandle.getCallingUserId() != UserHandle.USER_SYSTEM) { 9093 Slog.w(LOG_TAG, "Only the system update service in the system user " + 9094 "can broadcast update information."); 9095 return; 9096 } 9097 9098 if (!mOwners.saveSystemUpdateInfo(info)) { 9099 // Pending system update hasn't changed, don't send duplicate notification. 9100 return; 9101 } 9102 9103 final Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE) 9104 .putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 9105 info == null ? -1 : info.getReceivedTime()); 9106 9107 final long ident = mInjector.binderClearCallingIdentity(); 9108 try { 9109 synchronized (this) { 9110 // Broadcast to device owner first if there is one. 9111 if (mOwners.hasDeviceOwner()) { 9112 final UserHandle deviceOwnerUser = 9113 UserHandle.of(mOwners.getDeviceOwnerUserId()); 9114 intent.setComponent(mOwners.getDeviceOwnerComponent()); 9115 mContext.sendBroadcastAsUser(intent, deviceOwnerUser); 9116 } 9117 } 9118 // Get running users. 9119 final int runningUserIds[]; 9120 try { 9121 runningUserIds = mInjector.getIActivityManager().getRunningUserIds(); 9122 } catch (RemoteException e) { 9123 // Shouldn't happen. 9124 Log.e(LOG_TAG, "Could not retrieve the list of running users", e); 9125 return; 9126 } 9127 // Send broadcasts to corresponding profile owners if any. 9128 for (final int userId : runningUserIds) { 9129 synchronized (this) { 9130 final ComponentName profileOwnerPackage = 9131 mOwners.getProfileOwnerComponent(userId); 9132 if (profileOwnerPackage != null) { 9133 intent.setComponent(profileOwnerPackage); 9134 mContext.sendBroadcastAsUser(intent, UserHandle.of(userId)); 9135 } 9136 } 9137 } 9138 } finally { 9139 mInjector.binderRestoreCallingIdentity(ident); 9140 } 9141 } 9142 9143 @Override 9144 public SystemUpdateInfo getPendingSystemUpdate(ComponentName admin) { 9145 Preconditions.checkNotNull(admin, "ComponentName is null"); 9146 enforceProfileOrDeviceOwner(admin); 9147 9148 return mOwners.getSystemUpdateInfo(); 9149 } 9150 9151 @Override 9152 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 9153 int userId = UserHandle.getCallingUserId(); 9154 synchronized (this) { 9155 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9156 DevicePolicyData userPolicy = getUserData(userId); 9157 if (userPolicy.mPermissionPolicy != policy) { 9158 userPolicy.mPermissionPolicy = policy; 9159 saveSettingsLocked(userId); 9160 } 9161 } 9162 } 9163 9164 @Override 9165 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 9166 int userId = UserHandle.getCallingUserId(); 9167 synchronized (this) { 9168 DevicePolicyData userPolicy = getUserData(userId); 9169 return userPolicy.mPermissionPolicy; 9170 } 9171 } 9172 9173 @Override 9174 public boolean setPermissionGrantState(ComponentName admin, String packageName, 9175 String permission, int grantState) throws RemoteException { 9176 UserHandle user = mInjector.binderGetCallingUserHandle(); 9177 synchronized (this) { 9178 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9179 long ident = mInjector.binderClearCallingIdentity(); 9180 try { 9181 if (getTargetSdk(packageName, user.getIdentifier()) 9182 < android.os.Build.VERSION_CODES.M) { 9183 return false; 9184 } 9185 final PackageManager packageManager = mInjector.getPackageManager(); 9186 switch (grantState) { 9187 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 9188 mInjector.getPackageManagerInternal().grantRuntimePermission(packageName, 9189 permission, user.getIdentifier(), true /* override policy */); 9190 packageManager.updatePermissionFlags(permission, packageName, 9191 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 9192 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 9193 } break; 9194 9195 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 9196 mInjector.getPackageManagerInternal().revokeRuntimePermission(packageName, 9197 permission, user.getIdentifier(), true /* override policy */); 9198 packageManager.updatePermissionFlags(permission, packageName, 9199 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 9200 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 9201 } break; 9202 9203 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 9204 packageManager.updatePermissionFlags(permission, packageName, 9205 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 9206 } break; 9207 } 9208 return true; 9209 } catch (SecurityException se) { 9210 return false; 9211 } finally { 9212 mInjector.binderRestoreCallingIdentity(ident); 9213 } 9214 } 9215 } 9216 9217 @Override 9218 public int getPermissionGrantState(ComponentName admin, String packageName, 9219 String permission) throws RemoteException { 9220 PackageManager packageManager = mInjector.getPackageManager(); 9221 9222 UserHandle user = mInjector.binderGetCallingUserHandle(); 9223 enforceProfileOwnerOrSystemUser(admin); 9224 synchronized (this) { 9225 long ident = mInjector.binderClearCallingIdentity(); 9226 try { 9227 int granted = mIPackageManager.checkPermission(permission, 9228 packageName, user.getIdentifier()); 9229 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 9230 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 9231 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 9232 // Not controlled by policy 9233 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 9234 } else { 9235 // Policy controlled so return result based on permission grant state 9236 return granted == PackageManager.PERMISSION_GRANTED 9237 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 9238 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 9239 } 9240 } finally { 9241 mInjector.binderRestoreCallingIdentity(ident); 9242 } 9243 } 9244 } 9245 9246 boolean isPackageInstalledForUser(String packageName, int userHandle) { 9247 try { 9248 PackageInfo pi = mInjector.getIPackageManager().getPackageInfo(packageName, 0, 9249 userHandle); 9250 return (pi != null) && (pi.applicationInfo.flags != 0); 9251 } catch (RemoteException re) { 9252 throw new RuntimeException("Package manager has died", re); 9253 } 9254 } 9255 9256 @Override 9257 public boolean isProvisioningAllowed(String action, String packageName) { 9258 Preconditions.checkNotNull(packageName); 9259 9260 final int callingUid = mInjector.binderGetCallingUid(); 9261 final long ident = mInjector.binderClearCallingIdentity(); 9262 try { 9263 final int uidForPackage = mInjector.getPackageManager().getPackageUidAsUser( 9264 packageName, UserHandle.getUserId(callingUid)); 9265 Preconditions.checkArgument(callingUid == uidForPackage, 9266 "Caller uid doesn't match the one for the provided package."); 9267 } catch (NameNotFoundException e) { 9268 throw new IllegalArgumentException("Invalid package provided " + packageName, e); 9269 } finally { 9270 mInjector.binderRestoreCallingIdentity(ident); 9271 } 9272 9273 return checkProvisioningPreConditionSkipPermission(action, packageName) == CODE_OK; 9274 } 9275 9276 @Override 9277 public int checkProvisioningPreCondition(String action, String packageName) { 9278 Preconditions.checkNotNull(packageName); 9279 enforceCanManageProfileAndDeviceOwners(); 9280 return checkProvisioningPreConditionSkipPermission(action, packageName); 9281 } 9282 9283 private int checkProvisioningPreConditionSkipPermission(String action, String packageName) { 9284 if (!mHasFeature) { 9285 return CODE_DEVICE_ADMIN_NOT_SUPPORTED; 9286 } 9287 9288 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9289 if (action != null) { 9290 switch (action) { 9291 case DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE: 9292 return checkManagedProfileProvisioningPreCondition(packageName, callingUserId); 9293 case DevicePolicyManager.ACTION_PROVISION_MANAGED_DEVICE: 9294 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9295 case DevicePolicyManager.ACTION_PROVISION_MANAGED_USER: 9296 return checkManagedUserProvisioningPreCondition(callingUserId); 9297 case DevicePolicyManager.ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE: 9298 return checkManagedShareableDeviceProvisioningPreCondition(callingUserId); 9299 } 9300 } 9301 throw new IllegalArgumentException("Unknown provisioning action " + action); 9302 } 9303 9304 /** 9305 * The device owner can only be set before the setup phase of the primary user has completed, 9306 * except for adb command if no accounts or additional users are present on the device. 9307 */ 9308 private int checkDeviceOwnerProvisioningPreConditionLocked(@Nullable ComponentName owner, 9309 int deviceOwnerUserId, boolean isAdb, boolean hasIncompatibleAccountsOrNonAdb) { 9310 if (mOwners.hasDeviceOwner()) { 9311 return CODE_HAS_DEVICE_OWNER; 9312 } 9313 if (mOwners.hasProfileOwner(deviceOwnerUserId)) { 9314 return CODE_USER_HAS_PROFILE_OWNER; 9315 } 9316 if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) { 9317 return CODE_USER_NOT_RUNNING; 9318 } 9319 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9320 return CODE_HAS_PAIRED; 9321 } 9322 if (isAdb) { 9323 // if shell command runs after user setup completed check device status. Otherwise, OK. 9324 if (mIsWatch || hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9325 if (!mInjector.userManagerIsSplitSystemUser()) { 9326 if (mUserManager.getUserCount() > 1) { 9327 return CODE_NONSYSTEM_USER_EXISTS; 9328 } 9329 if (hasIncompatibleAccountsOrNonAdb) { 9330 return CODE_ACCOUNTS_NOT_EMPTY; 9331 } 9332 } else { 9333 // STOPSHIP Do proper check in split user mode 9334 } 9335 } 9336 return CODE_OK; 9337 } else { 9338 if (!mInjector.userManagerIsSplitSystemUser()) { 9339 // In non-split user mode, DO has to be user 0 9340 if (deviceOwnerUserId != UserHandle.USER_SYSTEM) { 9341 return CODE_NOT_SYSTEM_USER; 9342 } 9343 // In non-split user mode, only provision DO before setup wizard completes 9344 if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) { 9345 return CODE_USER_SETUP_COMPLETED; 9346 } 9347 } else { 9348 // STOPSHIP Do proper check in split user mode 9349 } 9350 return CODE_OK; 9351 } 9352 } 9353 9354 private int checkDeviceOwnerProvisioningPreCondition(int deviceOwnerUserId) { 9355 synchronized (this) { 9356 // hasIncompatibleAccountsOrNonAdb doesn't matter since the caller is not adb. 9357 return checkDeviceOwnerProvisioningPreConditionLocked(/* owner unknown */ null, 9358 deviceOwnerUserId, /* isAdb= */ false, 9359 /* hasIncompatibleAccountsOrNonAdb=*/ true); 9360 } 9361 } 9362 9363 private int checkManagedProfileProvisioningPreCondition(String packageName, int callingUserId) { 9364 if (!hasFeatureManagedUsers()) { 9365 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9366 } 9367 if (callingUserId == UserHandle.USER_SYSTEM 9368 && mInjector.userManagerIsSplitSystemUser()) { 9369 // Managed-profiles cannot be setup on the system user. 9370 return CODE_SPLIT_SYSTEM_USER_DEVICE_SYSTEM_USER; 9371 } 9372 if (getProfileOwner(callingUserId) != null) { 9373 // Managed user cannot have a managed profile. 9374 return CODE_USER_HAS_PROFILE_OWNER; 9375 } 9376 9377 final long ident = mInjector.binderClearCallingIdentity(); 9378 try { 9379 final UserHandle callingUserHandle = UserHandle.of(callingUserId); 9380 final ComponentName ownerAdmin = getOwnerComponent(packageName, callingUserId); 9381 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_ADD_MANAGED_PROFILE, 9382 callingUserHandle)) { 9383 // An admin can initiate provisioning if it has set the restriction. 9384 if (ownerAdmin == null || isAdminAffectedByRestriction(ownerAdmin, 9385 UserManager.DISALLOW_ADD_MANAGED_PROFILE, callingUserId)) { 9386 return CODE_ADD_MANAGED_PROFILE_DISALLOWED; 9387 } 9388 } 9389 boolean canRemoveProfile = true; 9390 if (mUserManager.hasUserRestriction(UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, 9391 callingUserHandle)) { 9392 // We can remove a profile if the admin itself has set the restriction. 9393 if (ownerAdmin == null || isAdminAffectedByRestriction(ownerAdmin, 9394 UserManager.DISALLOW_REMOVE_MANAGED_PROFILE, 9395 callingUserId)) { 9396 canRemoveProfile = false; 9397 } 9398 } 9399 if (!mUserManager.canAddMoreManagedProfiles(callingUserId, canRemoveProfile)) { 9400 return CODE_CANNOT_ADD_MANAGED_PROFILE; 9401 } 9402 } finally { 9403 mInjector.binderRestoreCallingIdentity(ident); 9404 } 9405 return CODE_OK; 9406 } 9407 9408 private ComponentName getOwnerComponent(String packageName, int userId) { 9409 if (isDeviceOwnerPackage(packageName, userId)) { 9410 return mOwners.getDeviceOwnerComponent(); 9411 } 9412 if (isProfileOwnerPackage(packageName, userId)) { 9413 return mOwners.getProfileOwnerComponent(userId); 9414 } 9415 return null; 9416 } 9417 9418 private int checkManagedUserProvisioningPreCondition(int callingUserId) { 9419 if (!hasFeatureManagedUsers()) { 9420 return CODE_MANAGED_USERS_NOT_SUPPORTED; 9421 } 9422 if (!mInjector.userManagerIsSplitSystemUser()) { 9423 // ACTION_PROVISION_MANAGED_USER only supported on split-user systems. 9424 return CODE_NOT_SYSTEM_USER_SPLIT; 9425 } 9426 if (callingUserId == UserHandle.USER_SYSTEM) { 9427 // System user cannot be a managed user. 9428 return CODE_SYSTEM_USER; 9429 } 9430 if (hasUserSetupCompleted(callingUserId)) { 9431 return CODE_USER_SETUP_COMPLETED; 9432 } 9433 if (mIsWatch && hasPaired(UserHandle.USER_SYSTEM)) { 9434 return CODE_HAS_PAIRED; 9435 } 9436 return CODE_OK; 9437 } 9438 9439 private int checkManagedShareableDeviceProvisioningPreCondition(int callingUserId) { 9440 if (!mInjector.userManagerIsSplitSystemUser()) { 9441 // ACTION_PROVISION_MANAGED_SHAREABLE_DEVICE only supported on split-user systems. 9442 return CODE_NOT_SYSTEM_USER_SPLIT; 9443 } 9444 return checkDeviceOwnerProvisioningPreCondition(callingUserId); 9445 } 9446 9447 private boolean hasFeatureManagedUsers() { 9448 try { 9449 return mIPackageManager.hasSystemFeature(PackageManager.FEATURE_MANAGED_USERS, 0); 9450 } catch (RemoteException e) { 9451 return false; 9452 } 9453 } 9454 9455 @Override 9456 public String getWifiMacAddress(ComponentName admin) { 9457 // Make sure caller has DO. 9458 synchronized (this) { 9459 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9460 } 9461 9462 final long ident = mInjector.binderClearCallingIdentity(); 9463 try { 9464 final WifiInfo wifiInfo = mInjector.getWifiManager().getConnectionInfo(); 9465 if (wifiInfo == null) { 9466 return null; 9467 } 9468 return wifiInfo.hasRealMacAddress() ? wifiInfo.getMacAddress() : null; 9469 } finally { 9470 mInjector.binderRestoreCallingIdentity(ident); 9471 } 9472 } 9473 9474 /** 9475 * Returns the target sdk version number that the given packageName was built for 9476 * in the given user. 9477 */ 9478 private int getTargetSdk(String packageName, int userId) { 9479 final ApplicationInfo ai; 9480 try { 9481 ai = mIPackageManager.getApplicationInfo(packageName, 0, userId); 9482 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 9483 return targetSdkVersion; 9484 } catch (RemoteException e) { 9485 // Shouldn't happen 9486 return 0; 9487 } 9488 } 9489 9490 @Override 9491 public boolean isManagedProfile(ComponentName admin) { 9492 enforceProfileOrDeviceOwner(admin); 9493 return isManagedProfile(mInjector.userHandleGetCallingUserId()); 9494 } 9495 9496 @Override 9497 public boolean isSystemOnlyUser(ComponentName admin) { 9498 synchronized (this) { 9499 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9500 } 9501 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9502 return UserManager.isSplitSystemUser() && callingUserId == UserHandle.USER_SYSTEM; 9503 } 9504 9505 @Override 9506 public void reboot(ComponentName admin) { 9507 Preconditions.checkNotNull(admin); 9508 // Make sure caller has DO. 9509 synchronized (this) { 9510 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9511 } 9512 long ident = mInjector.binderClearCallingIdentity(); 9513 try { 9514 // Make sure there are no ongoing calls on the device. 9515 if (mTelephonyManager.getCallState() != TelephonyManager.CALL_STATE_IDLE) { 9516 throw new IllegalStateException("Cannot be called with ongoing call on the device"); 9517 } 9518 mInjector.powerManagerReboot(PowerManager.REBOOT_REQUESTED_BY_DEVICE_OWNER); 9519 } finally { 9520 mInjector.binderRestoreCallingIdentity(ident); 9521 } 9522 } 9523 9524 @Override 9525 public void setShortSupportMessage(@NonNull ComponentName who, CharSequence message) { 9526 if (!mHasFeature) { 9527 return; 9528 } 9529 Preconditions.checkNotNull(who, "ComponentName is null"); 9530 final int userHandle = mInjector.userHandleGetCallingUserId(); 9531 synchronized (this) { 9532 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9533 mInjector.binderGetCallingUid()); 9534 if (!TextUtils.equals(admin.shortSupportMessage, message)) { 9535 admin.shortSupportMessage = message; 9536 saveSettingsLocked(userHandle); 9537 } 9538 } 9539 } 9540 9541 @Override 9542 public CharSequence getShortSupportMessage(@NonNull ComponentName who) { 9543 if (!mHasFeature) { 9544 return null; 9545 } 9546 Preconditions.checkNotNull(who, "ComponentName is null"); 9547 synchronized (this) { 9548 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9549 mInjector.binderGetCallingUid()); 9550 return admin.shortSupportMessage; 9551 } 9552 } 9553 9554 @Override 9555 public void setLongSupportMessage(@NonNull ComponentName who, CharSequence message) { 9556 if (!mHasFeature) { 9557 return; 9558 } 9559 Preconditions.checkNotNull(who, "ComponentName is null"); 9560 final int userHandle = mInjector.userHandleGetCallingUserId(); 9561 synchronized (this) { 9562 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9563 mInjector.binderGetCallingUid()); 9564 if (!TextUtils.equals(admin.longSupportMessage, message)) { 9565 admin.longSupportMessage = message; 9566 saveSettingsLocked(userHandle); 9567 } 9568 } 9569 } 9570 9571 @Override 9572 public CharSequence getLongSupportMessage(@NonNull ComponentName who) { 9573 if (!mHasFeature) { 9574 return null; 9575 } 9576 Preconditions.checkNotNull(who, "ComponentName is null"); 9577 synchronized (this) { 9578 ActiveAdmin admin = getActiveAdminForUidLocked(who, 9579 mInjector.binderGetCallingUid()); 9580 return admin.longSupportMessage; 9581 } 9582 } 9583 9584 @Override 9585 public CharSequence getShortSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9586 if (!mHasFeature) { 9587 return null; 9588 } 9589 Preconditions.checkNotNull(who, "ComponentName is null"); 9590 if (!isCallerWithSystemUid()) { 9591 throw new SecurityException("Only the system can query support message for user"); 9592 } 9593 synchronized (this) { 9594 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9595 if (admin != null) { 9596 return admin.shortSupportMessage; 9597 } 9598 } 9599 return null; 9600 } 9601 9602 @Override 9603 public CharSequence getLongSupportMessageForUser(@NonNull ComponentName who, int userHandle) { 9604 if (!mHasFeature) { 9605 return null; 9606 } 9607 Preconditions.checkNotNull(who, "ComponentName is null"); 9608 if (!isCallerWithSystemUid()) { 9609 throw new SecurityException("Only the system can query support message for user"); 9610 } 9611 synchronized (this) { 9612 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 9613 if (admin != null) { 9614 return admin.longSupportMessage; 9615 } 9616 } 9617 return null; 9618 } 9619 9620 @Override 9621 public void setOrganizationColor(@NonNull ComponentName who, int color) { 9622 if (!mHasFeature) { 9623 return; 9624 } 9625 Preconditions.checkNotNull(who, "ComponentName is null"); 9626 final int userHandle = mInjector.userHandleGetCallingUserId(); 9627 enforceManagedProfile(userHandle, "set organization color"); 9628 synchronized (this) { 9629 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9630 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9631 admin.organizationColor = color; 9632 saveSettingsLocked(userHandle); 9633 } 9634 } 9635 9636 @Override 9637 public void setOrganizationColorForUser(int color, int userId) { 9638 if (!mHasFeature) { 9639 return; 9640 } 9641 enforceFullCrossUsersPermission(userId); 9642 enforceManageUsers(); 9643 enforceManagedProfile(userId, "set organization color"); 9644 synchronized (this) { 9645 ActiveAdmin admin = getProfileOwnerAdminLocked(userId); 9646 admin.organizationColor = color; 9647 saveSettingsLocked(userId); 9648 } 9649 } 9650 9651 @Override 9652 public int getOrganizationColor(@NonNull ComponentName who) { 9653 if (!mHasFeature) { 9654 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 9655 } 9656 Preconditions.checkNotNull(who, "ComponentName is null"); 9657 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization color"); 9658 synchronized (this) { 9659 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9660 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9661 return admin.organizationColor; 9662 } 9663 } 9664 9665 @Override 9666 public int getOrganizationColorForUser(int userHandle) { 9667 if (!mHasFeature) { 9668 return ActiveAdmin.DEF_ORGANIZATION_COLOR; 9669 } 9670 enforceFullCrossUsersPermission(userHandle); 9671 enforceManagedProfile(userHandle, "get organization color"); 9672 synchronized (this) { 9673 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 9674 return (profileOwner != null) 9675 ? profileOwner.organizationColor 9676 : ActiveAdmin.DEF_ORGANIZATION_COLOR; 9677 } 9678 } 9679 9680 @Override 9681 public void setOrganizationName(@NonNull ComponentName who, CharSequence text) { 9682 if (!mHasFeature) { 9683 return; 9684 } 9685 Preconditions.checkNotNull(who, "ComponentName is null"); 9686 final int userHandle = mInjector.userHandleGetCallingUserId(); 9687 9688 synchronized (this) { 9689 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9690 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9691 if (!TextUtils.equals(admin.organizationName, text)) { 9692 admin.organizationName = (text == null || text.length() == 0) 9693 ? null : text.toString(); 9694 saveSettingsLocked(userHandle); 9695 } 9696 } 9697 } 9698 9699 @Override 9700 public CharSequence getOrganizationName(@NonNull ComponentName who) { 9701 if (!mHasFeature) { 9702 return null; 9703 } 9704 Preconditions.checkNotNull(who, "ComponentName is null"); 9705 enforceManagedProfile(mInjector.userHandleGetCallingUserId(), "get organization name"); 9706 synchronized(this) { 9707 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 9708 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9709 return admin.organizationName; 9710 } 9711 } 9712 9713 @Override 9714 public CharSequence getDeviceOwnerOrganizationName() { 9715 if (!mHasFeature) { 9716 return null; 9717 } 9718 enforceDeviceOwnerOrManageUsers(); 9719 synchronized(this) { 9720 final ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdminLocked(); 9721 return deviceOwnerAdmin == null ? null : deviceOwnerAdmin.organizationName; 9722 } 9723 } 9724 9725 @Override 9726 public CharSequence getOrganizationNameForUser(int userHandle) { 9727 if (!mHasFeature) { 9728 return null; 9729 } 9730 enforceFullCrossUsersPermission(userHandle); 9731 enforceManagedProfile(userHandle, "get organization name"); 9732 synchronized (this) { 9733 ActiveAdmin profileOwner = getProfileOwnerAdminLocked(userHandle); 9734 return (profileOwner != null) 9735 ? profileOwner.organizationName 9736 : null; 9737 } 9738 } 9739 9740 @Override 9741 public void setAffiliationIds(ComponentName admin, List<String> ids) { 9742 if (!mHasFeature) { 9743 return; 9744 } 9745 9746 Preconditions.checkNotNull(admin); 9747 Preconditions.checkCollectionElementsNotNull(ids, "ids"); 9748 9749 final Set<String> affiliationIds = new ArraySet<String>(ids); 9750 Preconditions.checkArgument( 9751 !affiliationIds.contains(""), "ids must not contain empty strings"); 9752 9753 final int callingUserId = mInjector.userHandleGetCallingUserId(); 9754 synchronized (this) { 9755 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9756 getUserData(callingUserId).mAffiliationIds = affiliationIds; 9757 saveSettingsLocked(callingUserId); 9758 if (callingUserId != UserHandle.USER_SYSTEM && isDeviceOwner(admin, callingUserId)) { 9759 // Affiliation ids specified by the device owner are additionally stored in 9760 // UserHandle.USER_SYSTEM's DevicePolicyData. 9761 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds = affiliationIds; 9762 saveSettingsLocked(UserHandle.USER_SYSTEM); 9763 } 9764 9765 // Affiliation status for any user, not just the calling user, might have changed. 9766 // The device owner user will still be affiliated after changing its affiliation ids, 9767 // but as a result of that other users might become affiliated or un-affiliated. 9768 maybePauseDeviceWideLoggingLocked(); 9769 maybeResumeDeviceWideLoggingLocked(); 9770 } 9771 } 9772 9773 @Override 9774 public List<String> getAffiliationIds(ComponentName admin) { 9775 if (!mHasFeature) { 9776 return Collections.emptyList(); 9777 } 9778 9779 Preconditions.checkNotNull(admin); 9780 synchronized (this) { 9781 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 9782 return new ArrayList<String>( 9783 getUserData(mInjector.userHandleGetCallingUserId()).mAffiliationIds); 9784 } 9785 } 9786 9787 @Override 9788 public boolean isAffiliatedUser() { 9789 if (!mHasFeature) { 9790 return false; 9791 } 9792 9793 synchronized (this) { 9794 return isUserAffiliatedWithDeviceLocked(mInjector.userHandleGetCallingUserId()); 9795 } 9796 } 9797 9798 private boolean isUserAffiliatedWithDeviceLocked(int userId) { 9799 if (!mOwners.hasDeviceOwner()) { 9800 return false; 9801 } 9802 if (userId == mOwners.getDeviceOwnerUserId()) { 9803 // The user that the DO is installed on is always affiliated with the device. 9804 return true; 9805 } 9806 if (userId == UserHandle.USER_SYSTEM) { 9807 // The system user is always affiliated in a DO device, even if the DO is set on a 9808 // different user. This could be the case if the DO is set in the primary user 9809 // of a split user device. 9810 return true; 9811 } 9812 final ComponentName profileOwner = getProfileOwner(userId); 9813 if (profileOwner == null) { 9814 return false; 9815 } 9816 final Set<String> userAffiliationIds = getUserData(userId).mAffiliationIds; 9817 final Set<String> deviceAffiliationIds = 9818 getUserData(UserHandle.USER_SYSTEM).mAffiliationIds; 9819 for (String id : userAffiliationIds) { 9820 if (deviceAffiliationIds.contains(id)) { 9821 return true; 9822 } 9823 } 9824 return false; 9825 } 9826 9827 private boolean areAllUsersAffiliatedWithDeviceLocked() { 9828 final long ident = mInjector.binderClearCallingIdentity(); 9829 try { 9830 final List<UserInfo> userInfos = mUserManager.getUsers(); 9831 for (int i = 0; i < userInfos.size(); i++) { 9832 int userId = userInfos.get(i).id; 9833 if (!isUserAffiliatedWithDeviceLocked(userId)) { 9834 Slog.d(LOG_TAG, "User id " + userId + " not affiliated."); 9835 return false; 9836 } 9837 } 9838 } finally { 9839 mInjector.binderRestoreCallingIdentity(ident); 9840 } 9841 9842 return true; 9843 } 9844 9845 @Override 9846 public void setSecurityLoggingEnabled(ComponentName admin, boolean enabled) { 9847 if (!mHasFeature) { 9848 return; 9849 } 9850 Preconditions.checkNotNull(admin); 9851 9852 synchronized (this) { 9853 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9854 if (enabled == mInjector.securityLogGetLoggingEnabledProperty()) { 9855 return; 9856 } 9857 mInjector.securityLogSetLoggingEnabledProperty(enabled); 9858 if (enabled) { 9859 mSecurityLogMonitor.start(); 9860 maybePauseDeviceWideLoggingLocked(); 9861 } else { 9862 mSecurityLogMonitor.stop(); 9863 } 9864 } 9865 } 9866 9867 @Override 9868 public boolean isSecurityLoggingEnabled(ComponentName admin) { 9869 if (!mHasFeature) { 9870 return false; 9871 } 9872 9873 Preconditions.checkNotNull(admin); 9874 synchronized (this) { 9875 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 9876 return mInjector.securityLogGetLoggingEnabledProperty(); 9877 } 9878 } 9879 9880 private synchronized void recordSecurityLogRetrievalTime() { 9881 final long currentTime = System.currentTimeMillis(); 9882 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 9883 if (currentTime > policyData.mLastSecurityLogRetrievalTime) { 9884 policyData.mLastSecurityLogRetrievalTime = currentTime; 9885 saveSettingsLocked(UserHandle.USER_SYSTEM); 9886 } 9887 } 9888 9889 @Override 9890 public ParceledListSlice<SecurityEvent> retrievePreRebootSecurityLogs(ComponentName admin) { 9891 if (!mHasFeature) { 9892 return null; 9893 } 9894 9895 Preconditions.checkNotNull(admin); 9896 ensureDeviceOwnerAndAllUsersAffiliated(admin); 9897 9898 if (!mContext.getResources().getBoolean(R.bool.config_supportPreRebootSecurityLogs) 9899 || !mInjector.securityLogGetLoggingEnabledProperty()) { 9900 return null; 9901 } 9902 9903 recordSecurityLogRetrievalTime(); 9904 9905 ArrayList<SecurityEvent> output = new ArrayList<SecurityEvent>(); 9906 try { 9907 SecurityLog.readPreviousEvents(output); 9908 return new ParceledListSlice<SecurityEvent>(output); 9909 } catch (IOException e) { 9910 Slog.w(LOG_TAG, "Fail to read previous events" , e); 9911 return new ParceledListSlice<SecurityEvent>(Collections.<SecurityEvent>emptyList()); 9912 } 9913 } 9914 9915 @Override 9916 public ParceledListSlice<SecurityEvent> retrieveSecurityLogs(ComponentName admin) { 9917 if (!mHasFeature) { 9918 return null; 9919 } 9920 9921 Preconditions.checkNotNull(admin); 9922 ensureDeviceOwnerAndAllUsersAffiliated(admin); 9923 9924 if (!mInjector.securityLogGetLoggingEnabledProperty()) { 9925 return null; 9926 } 9927 9928 recordSecurityLogRetrievalTime(); 9929 9930 List<SecurityEvent> logs = mSecurityLogMonitor.retrieveLogs(); 9931 return logs != null ? new ParceledListSlice<SecurityEvent>(logs) : null; 9932 } 9933 9934 private void enforceCanManageDeviceAdmin() { 9935 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_DEVICE_ADMINS, 9936 null); 9937 } 9938 9939 private void enforceCanManageProfileAndDeviceOwners() { 9940 mContext.enforceCallingOrSelfPermission( 9941 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 9942 } 9943 9944 private void enforceCallerSystemUserHandle() { 9945 final int callingUid = mInjector.binderGetCallingUid(); 9946 final int userId = UserHandle.getUserId(callingUid); 9947 if (userId != UserHandle.USER_SYSTEM) { 9948 throw new SecurityException("Caller has to be in user 0"); 9949 } 9950 } 9951 9952 @Override 9953 public boolean isUninstallInQueue(final String packageName) { 9954 enforceCanManageDeviceAdmin(); 9955 final int userId = mInjector.userHandleGetCallingUserId(); 9956 Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9957 synchronized (this) { 9958 return mPackagesToRemove.contains(packageUserPair); 9959 } 9960 } 9961 9962 @Override 9963 public void uninstallPackageWithActiveAdmins(final String packageName) { 9964 enforceCanManageDeviceAdmin(); 9965 Preconditions.checkArgument(!TextUtils.isEmpty(packageName)); 9966 9967 final int userId = mInjector.userHandleGetCallingUserId(); 9968 9969 enforceUserUnlocked(userId); 9970 9971 final ComponentName profileOwner = getProfileOwner(userId); 9972 if (profileOwner != null && packageName.equals(profileOwner.getPackageName())) { 9973 throw new IllegalArgumentException("Cannot uninstall a package with a profile owner"); 9974 } 9975 9976 final ComponentName deviceOwner = getDeviceOwnerComponent(/* callingUserOnly= */ false); 9977 if (getDeviceOwnerUserId() == userId && deviceOwner != null 9978 && packageName.equals(deviceOwner.getPackageName())) { 9979 throw new IllegalArgumentException("Cannot uninstall a package with a device owner"); 9980 } 9981 9982 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 9983 synchronized (this) { 9984 mPackagesToRemove.add(packageUserPair); 9985 } 9986 9987 // All active admins on the user. 9988 final List<ComponentName> allActiveAdmins = getActiveAdmins(userId); 9989 9990 // Active admins in the target package. 9991 final List<ComponentName> packageActiveAdmins = new ArrayList<>(); 9992 if (allActiveAdmins != null) { 9993 for (ComponentName activeAdmin : allActiveAdmins) { 9994 if (packageName.equals(activeAdmin.getPackageName())) { 9995 packageActiveAdmins.add(activeAdmin); 9996 removeActiveAdmin(activeAdmin, userId); 9997 } 9998 } 9999 } 10000 if (packageActiveAdmins.size() == 0) { 10001 startUninstallIntent(packageName, userId); 10002 } else { 10003 mHandler.postDelayed(new Runnable() { 10004 @Override 10005 public void run() { 10006 for (ComponentName activeAdmin : packageActiveAdmins) { 10007 removeAdminArtifacts(activeAdmin, userId); 10008 } 10009 startUninstallIntent(packageName, userId); 10010 } 10011 }, DEVICE_ADMIN_DEACTIVATE_TIMEOUT); // Start uninstall after timeout anyway. 10012 } 10013 } 10014 10015 @Override 10016 public boolean isDeviceProvisioned() { 10017 return !TextUtils.isEmpty(mInjector.systemPropertiesGet(PROPERTY_DEVICE_OWNER_PRESENT)); 10018 } 10019 10020 private void removePackageIfRequired(final String packageName, final int userId) { 10021 if (!packageHasActiveAdmins(packageName, userId)) { 10022 // Will not do anything if uninstall was not requested or was already started. 10023 startUninstallIntent(packageName, userId); 10024 } 10025 } 10026 10027 private void startUninstallIntent(final String packageName, final int userId) { 10028 final Pair<String, Integer> packageUserPair = new Pair<>(packageName, userId); 10029 synchronized (this) { 10030 if (!mPackagesToRemove.contains(packageUserPair)) { 10031 // Do nothing if uninstall was not requested or was already started. 10032 return; 10033 } 10034 mPackagesToRemove.remove(packageUserPair); 10035 } 10036 try { 10037 if (mInjector.getIPackageManager().getPackageInfo(packageName, 0, userId) == null) { 10038 // Package does not exist. Nothing to do. 10039 return; 10040 } 10041 } catch (RemoteException re) { 10042 Log.e(LOG_TAG, "Failure talking to PackageManager while getting package info"); 10043 } 10044 10045 try { // force stop the package before uninstalling 10046 mInjector.getIActivityManager().forceStopPackage(packageName, userId); 10047 } catch (RemoteException re) { 10048 Log.e(LOG_TAG, "Failure talking to ActivityManager while force stopping package"); 10049 } 10050 final Uri packageURI = Uri.parse("package:" + packageName); 10051 final Intent uninstallIntent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI); 10052 uninstallIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 10053 mContext.startActivityAsUser(uninstallIntent, UserHandle.of(userId)); 10054 } 10055 10056 /** 10057 * Removes the admin from the policy. Ideally called after the admin's 10058 * {@link DeviceAdminReceiver#onDisabled(Context, Intent)} has been successfully completed. 10059 * 10060 * @param adminReceiver The admin to remove 10061 * @param userHandle The user for which this admin has to be removed. 10062 */ 10063 private void removeAdminArtifacts(final ComponentName adminReceiver, final int userHandle) { 10064 synchronized (this) { 10065 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 10066 if (admin == null) { 10067 return; 10068 } 10069 final DevicePolicyData policy = getUserData(userHandle); 10070 final boolean doProxyCleanup = admin.info.usesPolicy( 10071 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 10072 policy.mAdminList.remove(admin); 10073 policy.mAdminMap.remove(adminReceiver); 10074 validatePasswordOwnerLocked(policy); 10075 if (doProxyCleanup) { 10076 resetGlobalProxyLocked(policy); 10077 } 10078 saveSettingsLocked(userHandle); 10079 updateMaximumTimeToLockLocked(userHandle); 10080 policy.mRemovingAdmins.remove(adminReceiver); 10081 10082 Slog.i(LOG_TAG, "Device admin " + adminReceiver + " removed from user " + userHandle); 10083 } 10084 // The removed admin might have disabled camera, so update user 10085 // restrictions. 10086 pushUserRestrictions(userHandle); 10087 } 10088 10089 @Override 10090 public void setDeviceProvisioningConfigApplied() { 10091 enforceManageUsers(); 10092 synchronized (this) { 10093 DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 10094 policy.mDeviceProvisioningConfigApplied = true; 10095 saveSettingsLocked(UserHandle.USER_SYSTEM); 10096 } 10097 } 10098 10099 @Override 10100 public boolean isDeviceProvisioningConfigApplied() { 10101 enforceManageUsers(); 10102 synchronized (this) { 10103 final DevicePolicyData policy = getUserData(UserHandle.USER_SYSTEM); 10104 return policy.mDeviceProvisioningConfigApplied; 10105 } 10106 } 10107 10108 /** 10109 * Force update internal persistent state from Settings.Secure.USER_SETUP_COMPLETE. 10110 * 10111 * It's added for testing only. Please use this API carefully if it's used by other system app 10112 * and bare in mind Settings.Secure.USER_SETUP_COMPLETE can be modified by user and other system 10113 * apps. 10114 */ 10115 @Override 10116 public void forceUpdateUserSetupComplete() { 10117 enforceCanManageProfileAndDeviceOwners(); 10118 enforceCallerSystemUserHandle(); 10119 // no effect if it's called from user build 10120 if (!mInjector.isBuildDebuggable()) { 10121 return; 10122 } 10123 final int userId = UserHandle.USER_SYSTEM; 10124 boolean isUserCompleted = mInjector.settingsSecureGetIntForUser( 10125 Settings.Secure.USER_SETUP_COMPLETE, 0, userId) != 0; 10126 DevicePolicyData policy = getUserData(userId); 10127 policy.mUserSetupComplete = isUserCompleted; 10128 synchronized (this) { 10129 saveSettingsLocked(userId); 10130 } 10131 } 10132 10133 // TODO(b/22388012): When backup is available for secondary users and profiles, consider 10134 // whether there are any privacy/security implications of enabling the backup service here 10135 // if there are other users or profiles unmanaged or managed by a different entity (i.e. not 10136 // affiliated). 10137 @Override 10138 public void setBackupServiceEnabled(ComponentName admin, boolean enabled) { 10139 if (!mHasFeature) { 10140 return; 10141 } 10142 Preconditions.checkNotNull(admin); 10143 synchronized (this) { 10144 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10145 } 10146 10147 final long ident = mInjector.binderClearCallingIdentity(); 10148 try { 10149 IBackupManager ibm = mInjector.getIBackupManager(); 10150 if (ibm != null) { 10151 ibm.setBackupServiceActive(UserHandle.USER_SYSTEM, enabled); 10152 } 10153 } catch (RemoteException e) { 10154 throw new IllegalStateException( 10155 "Failed " + (enabled ? "" : "de") + "activating backup service.", e); 10156 } finally { 10157 mInjector.binderRestoreCallingIdentity(ident); 10158 } 10159 } 10160 10161 @Override 10162 public boolean isBackupServiceEnabled(ComponentName admin) { 10163 Preconditions.checkNotNull(admin); 10164 if (!mHasFeature) { 10165 return true; 10166 } 10167 synchronized (this) { 10168 try { 10169 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10170 IBackupManager ibm = mInjector.getIBackupManager(); 10171 return ibm != null && ibm.isBackupServiceActive(UserHandle.USER_SYSTEM); 10172 } catch (RemoteException e) { 10173 throw new IllegalStateException("Failed requesting backup service state.", e); 10174 } 10175 } 10176 } 10177 10178 @Override 10179 public boolean bindDeviceAdminServiceAsUser( 10180 @NonNull ComponentName admin, @NonNull IApplicationThread caller, 10181 @Nullable IBinder activtiyToken, @NonNull Intent serviceIntent, 10182 @NonNull IServiceConnection connection, int flags, @UserIdInt int targetUserId) { 10183 if (!mHasFeature) { 10184 return false; 10185 } 10186 Preconditions.checkNotNull(admin); 10187 Preconditions.checkNotNull(caller); 10188 Preconditions.checkNotNull(serviceIntent); 10189 Preconditions.checkArgument( 10190 serviceIntent.getComponent() != null || serviceIntent.getPackage() != null, 10191 "Service intent must be explicit (with a package name or component): " 10192 + serviceIntent); 10193 Preconditions.checkNotNull(connection); 10194 Preconditions.checkArgument(mInjector.userHandleGetCallingUserId() != targetUserId, 10195 "target user id must be different from the calling user id"); 10196 10197 if (!getBindDeviceAdminTargetUsers(admin).contains(UserHandle.of(targetUserId))) { 10198 throw new SecurityException("Not allowed to bind to target user id"); 10199 } 10200 10201 final String targetPackage; 10202 synchronized (this) { 10203 targetPackage = getOwnerPackageNameForUserLocked(targetUserId); 10204 } 10205 10206 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10207 try { 10208 // Validate and sanitize the incoming service intent. 10209 final Intent sanitizedIntent = 10210 createCrossUserServiceIntent(serviceIntent, targetPackage, targetUserId); 10211 if (sanitizedIntent == null) { 10212 // Fail, cannot lookup the target service. 10213 return false; 10214 } 10215 // Ask ActivityManager to bind it. Notice that we are binding the service with the 10216 // caller app instead of DevicePolicyManagerService. 10217 return mInjector.getIActivityManager().bindService( 10218 caller, activtiyToken, serviceIntent, 10219 serviceIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 10220 connection, flags, mContext.getOpPackageName(), 10221 targetUserId) != 0; 10222 } catch (RemoteException ex) { 10223 // Same process, should not happen. 10224 } finally { 10225 mInjector.binderRestoreCallingIdentity(callingIdentity); 10226 } 10227 10228 // Failed to bind. 10229 return false; 10230 } 10231 10232 @Override 10233 public @NonNull List<UserHandle> getBindDeviceAdminTargetUsers(@NonNull ComponentName admin) { 10234 if (!mHasFeature) { 10235 return Collections.emptyList(); 10236 } 10237 Preconditions.checkNotNull(admin); 10238 ArrayList<UserHandle> targetUsers = new ArrayList<>(); 10239 10240 synchronized (this) { 10241 ActiveAdmin callingOwner = getActiveAdminForCallerLocked( 10242 admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 10243 10244 final int callingUserId = mInjector.userHandleGetCallingUserId(); 10245 final boolean isCallerDeviceOwner = isDeviceOwner(callingOwner); 10246 final boolean isCallerManagedProfile = isManagedProfile(callingUserId); 10247 if ((!isCallerDeviceOwner && !isCallerManagedProfile) 10248 || !isUserAffiliatedWithDeviceLocked(callingUserId)) { 10249 return targetUsers; 10250 } 10251 10252 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10253 try { 10254 String callingOwnerPackage = callingOwner.info.getComponent().getPackageName(); 10255 for (int userId : mUserManager.getProfileIdsWithDisabled(callingUserId)) { 10256 if (userId == callingUserId) { 10257 continue; 10258 } 10259 10260 // We only allow the device owner and a managed profile owner to bind to each 10261 // other. 10262 if ((isCallerManagedProfile && userId == mOwners.getDeviceOwnerUserId()) 10263 || (isCallerDeviceOwner && isManagedProfile(userId))) { 10264 String targetOwnerPackage = getOwnerPackageNameForUserLocked(userId); 10265 10266 // Both must be the same package and be affiliated in order to bind. 10267 if (callingOwnerPackage.equals(targetOwnerPackage) 10268 && isUserAffiliatedWithDeviceLocked(userId)) { 10269 targetUsers.add(UserHandle.of(userId)); 10270 } 10271 } 10272 } 10273 } finally { 10274 mInjector.binderRestoreCallingIdentity(callingIdentity); 10275 } 10276 } 10277 10278 return targetUsers; 10279 } 10280 10281 /** 10282 * Return true if a given user has any accounts that'll prevent installing a device or profile 10283 * owner {@code owner}. 10284 * - If the user has no accounts, then return false. 10285 * - Otherwise, if the owner is unknown (== null), or is not test-only, then return true. 10286 * - Otherwise, if there's any account that does not have ..._ALLOWED, or does have 10287 * ..._DISALLOWED, return true. 10288 * - Otherwise return false. 10289 * 10290 * If the caller is *not* ADB, it also returns true. The returned value shouldn't be used 10291 * when the caller is not ADB. 10292 * 10293 * DO NOT CALL IT WITH THE DPMS LOCK HELD. 10294 */ 10295 private boolean hasIncompatibleAccountsOrNonAdbNoLock( 10296 int userId, @Nullable ComponentName owner) { 10297 if (!isAdb()) { 10298 return true; 10299 } 10300 wtfIfInLock(); 10301 10302 final long token = mInjector.binderClearCallingIdentity(); 10303 try { 10304 final AccountManager am = AccountManager.get(mContext); 10305 final Account accounts[] = am.getAccountsAsUser(userId); 10306 if (accounts.length == 0) { 10307 return false; 10308 } 10309 synchronized (this) { 10310 if (owner == null || !isAdminTestOnlyLocked(owner, userId)) { 10311 Log.w(LOG_TAG, 10312 "Non test-only owner can't be installed with existing accounts."); 10313 return true; 10314 } 10315 } 10316 10317 final String[] feature_allow = 10318 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_ALLOWED }; 10319 final String[] feature_disallow = 10320 { DevicePolicyManager.ACCOUNT_FEATURE_DEVICE_OR_PROFILE_OWNER_DISALLOWED }; 10321 10322 boolean compatible = true; 10323 for (Account account : accounts) { 10324 if (hasAccountFeatures(am, account, feature_disallow)) { 10325 Log.e(LOG_TAG, account + " has " + feature_disallow[0]); 10326 compatible = false; 10327 break; 10328 } 10329 if (!hasAccountFeatures(am, account, feature_allow)) { 10330 Log.e(LOG_TAG, account + " doesn't have " + feature_allow[0]); 10331 compatible = false; 10332 break; 10333 } 10334 } 10335 if (compatible) { 10336 Log.w(LOG_TAG, "All accounts are compatible"); 10337 } else { 10338 Log.e(LOG_TAG, "Found incompatible accounts"); 10339 } 10340 return !compatible; 10341 } finally { 10342 mInjector.binderRestoreCallingIdentity(token); 10343 } 10344 } 10345 10346 private boolean hasAccountFeatures(AccountManager am, Account account, String[] features) { 10347 try { 10348 return am.hasFeatures(account, features, null, null).getResult(); 10349 } catch (Exception e) { 10350 Log.w(LOG_TAG, "Failed to get account feature", e); 10351 return false; 10352 } 10353 } 10354 10355 private boolean isAdb() { 10356 final int callingUid = mInjector.binderGetCallingUid(); 10357 return callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID; 10358 } 10359 10360 @Override 10361 public synchronized void setNetworkLoggingEnabled(ComponentName admin, boolean enabled) { 10362 if (!mHasFeature) { 10363 return; 10364 } 10365 Preconditions.checkNotNull(admin); 10366 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 10367 10368 if (enabled == isNetworkLoggingEnabledInternalLocked()) { 10369 // already in the requested state 10370 return; 10371 } 10372 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10373 deviceOwner.isNetworkLoggingEnabled = enabled; 10374 if (!enabled) { 10375 deviceOwner.numNetworkLoggingNotifications = 0; 10376 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10377 } 10378 saveSettingsLocked(mInjector.userHandleGetCallingUserId()); 10379 10380 setNetworkLoggingActiveInternal(enabled); 10381 } 10382 10383 private synchronized void setNetworkLoggingActiveInternal(boolean active) { 10384 final long callingIdentity = mInjector.binderClearCallingIdentity(); 10385 try { 10386 if (active) { 10387 mNetworkLogger = new NetworkLogger(this, mInjector.getPackageManagerInternal()); 10388 if (!mNetworkLogger.startNetworkLogging()) { 10389 mNetworkLogger = null; 10390 Slog.wtf(LOG_TAG, "Network logging could not be started due to the logging" 10391 + " service not being available yet."); 10392 } 10393 maybePauseDeviceWideLoggingLocked(); 10394 sendNetworkLoggingNotificationLocked(); 10395 } else { 10396 if (mNetworkLogger != null && !mNetworkLogger.stopNetworkLogging()) { 10397 Slog.wtf(LOG_TAG, "Network logging could not be stopped due to the logging" 10398 + " service not being available yet."); 10399 } 10400 mNetworkLogger = null; 10401 mInjector.getNotificationManager().cancel(NETWORK_LOGGING_NOTIFICATION_ID); 10402 } 10403 } finally { 10404 mInjector.binderRestoreCallingIdentity(callingIdentity); 10405 } 10406 } 10407 10408 /** Pauses security and network logging if there are unaffiliated users on the device */ 10409 private void maybePauseDeviceWideLoggingLocked() { 10410 if (!areAllUsersAffiliatedWithDeviceLocked()) { 10411 Slog.i(LOG_TAG, "There are unaffiliated users, security and network logging will be " 10412 + "paused if enabled."); 10413 mSecurityLogMonitor.pause(); 10414 if (mNetworkLogger != null) { 10415 mNetworkLogger.pause(); 10416 } 10417 } 10418 } 10419 10420 /** Resumes security and network logging (if they are enabled) if all users are affiliated */ 10421 private void maybeResumeDeviceWideLoggingLocked() { 10422 if (areAllUsersAffiliatedWithDeviceLocked()) { 10423 final long ident = mInjector.binderClearCallingIdentity(); 10424 try { 10425 mSecurityLogMonitor.resume(); 10426 if (mNetworkLogger != null) { 10427 mNetworkLogger.resume(); 10428 } 10429 } finally { 10430 mInjector.binderRestoreCallingIdentity(ident); 10431 } 10432 } 10433 } 10434 10435 /** Deletes any security and network logs that might have been collected so far */ 10436 private void discardDeviceWideLogsLocked() { 10437 mSecurityLogMonitor.discardLogs(); 10438 if (mNetworkLogger != null) { 10439 mNetworkLogger.discardLogs(); 10440 } 10441 // TODO: We should discard pre-boot security logs here too, as otherwise those 10442 // logs (which might contain data from the user just removed) will be 10443 // available after next boot. 10444 } 10445 10446 @Override 10447 public boolean isNetworkLoggingEnabled(ComponentName admin) { 10448 if (!mHasFeature) { 10449 return false; 10450 } 10451 synchronized (this) { 10452 enforceDeviceOwnerOrManageUsers(); 10453 return isNetworkLoggingEnabledInternalLocked(); 10454 } 10455 } 10456 10457 private boolean isNetworkLoggingEnabledInternalLocked() { 10458 ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10459 return (deviceOwner != null) && deviceOwner.isNetworkLoggingEnabled; 10460 } 10461 10462 /* 10463 * A maximum of 1200 events are returned, and the total marshalled size is in the order of 10464 * 100kB, so returning a List instead of ParceledListSlice is acceptable. 10465 * Ideally this would be done with ParceledList, however it only supports homogeneous types. 10466 * 10467 * @see NetworkLoggingHandler#MAX_EVENTS_PER_BATCH 10468 */ 10469 @Override 10470 public List<NetworkEvent> retrieveNetworkLogs(ComponentName admin, long batchToken) { 10471 if (!mHasFeature) { 10472 return null; 10473 } 10474 Preconditions.checkNotNull(admin); 10475 ensureDeviceOwnerAndAllUsersAffiliated(admin); 10476 10477 synchronized (this) { 10478 if (mNetworkLogger == null 10479 || !isNetworkLoggingEnabledInternalLocked()) { 10480 return null; 10481 } 10482 10483 final long currentTime = System.currentTimeMillis(); 10484 DevicePolicyData policyData = getUserData(UserHandle.USER_SYSTEM); 10485 if (currentTime > policyData.mLastNetworkLogsRetrievalTime) { 10486 policyData.mLastNetworkLogsRetrievalTime = currentTime; 10487 saveSettingsLocked(UserHandle.USER_SYSTEM); 10488 } 10489 return mNetworkLogger.retrieveLogs(batchToken); 10490 } 10491 } 10492 10493 private void sendNetworkLoggingNotificationLocked() { 10494 final ActiveAdmin deviceOwner = getDeviceOwnerAdminLocked(); 10495 if (deviceOwner == null || !deviceOwner.isNetworkLoggingEnabled) { 10496 return; 10497 } 10498 if (deviceOwner.numNetworkLoggingNotifications >= 10499 ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10500 return; 10501 } 10502 final long now = System.currentTimeMillis(); 10503 if (now - deviceOwner.lastNetworkLoggingNotificationTimeMs < MS_PER_DAY) { 10504 return; 10505 } 10506 deviceOwner.numNetworkLoggingNotifications++; 10507 if (deviceOwner.numNetworkLoggingNotifications 10508 >= ActiveAdmin.DEF_MAXIMUM_NETWORK_LOGGING_NOTIFICATIONS_SHOWN) { 10509 deviceOwner.lastNetworkLoggingNotificationTimeMs = 0; 10510 } else { 10511 deviceOwner.lastNetworkLoggingNotificationTimeMs = now; 10512 } 10513 final Intent intent = new Intent(DevicePolicyManager.ACTION_SHOW_DEVICE_MONITORING_DIALOG); 10514 intent.setPackage("com.android.systemui"); 10515 final PendingIntent pendingIntent = PendingIntent.getBroadcastAsUser(mContext, 0, intent, 0, 10516 UserHandle.CURRENT); 10517 Notification notification = new Notification.Builder(mContext) 10518 .setSmallIcon(R.drawable.ic_qs_network_logging) 10519 .setContentTitle(mContext.getString(R.string.network_logging_notification_title)) 10520 .setContentText(mContext.getString(R.string.network_logging_notification_text)) 10521 .setTicker(mContext.getString(R.string.network_logging_notification_title)) 10522 .setShowWhen(true) 10523 .setContentIntent(pendingIntent) 10524 .build(); 10525 mInjector.getNotificationManager().notify(NETWORK_LOGGING_NOTIFICATION_ID, notification); 10526 saveSettingsLocked(mOwners.getDeviceOwnerUserId()); 10527 } 10528 10529 /** 10530 * Return the package name of owner in a given user. 10531 */ 10532 private String getOwnerPackageNameForUserLocked(int userId) { 10533 return mOwners.getDeviceOwnerUserId() == userId 10534 ? mOwners.getDeviceOwnerPackageName() 10535 : mOwners.getProfileOwnerPackage(userId); 10536 } 10537 10538 /** 10539 * @param rawIntent Original service intent specified by caller. It must be explicit. 10540 * @param expectedPackageName The expected package name of the resolved service. 10541 * @return Intent that have component explicitly set. {@code null} if no service is resolved 10542 * with the given intent. 10543 * @throws SecurityException if the intent is resolved to an invalid service. 10544 */ 10545 private Intent createCrossUserServiceIntent( 10546 @NonNull Intent rawIntent, @NonNull String expectedPackageName, 10547 @UserIdInt int targetUserId) throws RemoteException, SecurityException { 10548 ResolveInfo info = mIPackageManager.resolveService( 10549 rawIntent, 10550 rawIntent.resolveTypeIfNeeded(mContext.getContentResolver()), 10551 0, // flags 10552 targetUserId); 10553 if (info == null || info.serviceInfo == null) { 10554 Log.e(LOG_TAG, "Fail to look up the service: " + rawIntent 10555 + " or user " + targetUserId + " is not running"); 10556 return null; 10557 } 10558 if (!expectedPackageName.equals(info.serviceInfo.packageName)) { 10559 throw new SecurityException("Only allow to bind service in " + expectedPackageName); 10560 } 10561 if (info.serviceInfo.exported) { 10562 throw new SecurityException("The service must be unexported"); 10563 } 10564 // It is the system server to bind the service, it would be extremely dangerous if it 10565 // can be exploited to bind any service. Set the component explicitly to make sure we 10566 // do not bind anything accidentally. 10567 rawIntent.setComponent(info.serviceInfo.getComponentName()); 10568 return rawIntent; 10569 } 10570 10571 @Override 10572 public long getLastSecurityLogRetrievalTime() { 10573 enforceDeviceOwnerOrManageUsers(); 10574 return getUserData(UserHandle.USER_SYSTEM).mLastSecurityLogRetrievalTime; 10575 } 10576 10577 @Override 10578 public long getLastBugReportRequestTime() { 10579 enforceDeviceOwnerOrManageUsers(); 10580 return getUserData(UserHandle.USER_SYSTEM).mLastBugReportRequestTime; 10581 } 10582 10583 @Override 10584 public long getLastNetworkLogRetrievalTime() { 10585 enforceDeviceOwnerOrManageUsers(); 10586 return getUserData(UserHandle.USER_SYSTEM).mLastNetworkLogsRetrievalTime; 10587 } 10588} 10589